CN104801735A - Elastic chuck - Google Patents
Elastic chuck Download PDFInfo
- Publication number
- CN104801735A CN104801735A CN201410043787.XA CN201410043787A CN104801735A CN 104801735 A CN104801735 A CN 104801735A CN 201410043787 A CN201410043787 A CN 201410043787A CN 104801735 A CN104801735 A CN 104801735A
- Authority
- CN
- China
- Prior art keywords
- face
- bearing
- chassis
- elastic grip
- grip holder
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention provides an elastic chuck. The elastic chuck comprises a bottom disc, an elastic disc and a plurality of clamping claws. The bottom disc comprises an upper surface, a lower surface and a through hole penetrating the upper and lower surfaces. The elastic disc is formed integrally and comprises a fixed ring fixed on the bottom disc, a pulling block and a plurality of bearing seats. The pulling block is disposed at the center of the fixed ring and is disposed in the through hole and capable of performing displacement along the axis of the through hole. The plurality of the bearing seats extends to the fixed ring from the pulling block radially. An upper surface facing towards the bottom disc with a radial clearance formed is formed at the bottom of each bearing seat. The clamping claws are arranged at the tops of the bearing seats, and the pulling block of the elastic disc is used for receiving pulling force acting axially substantially to drive the clamping claws to clamp a work-piece. The elastic chuck is simple in structure, few in part, time saving and cost saving and high in accuracy during manufacturing and assembly.
Description
Technical field
The present invention is relevant with clamping device, particularly about a kind of elastic grip holder.
Background technology
Refer to the Patent Case that TaiWan, China patent number is M359385, existing chuck includes one and is fixed on board and central authorities have the chassis of a perforation, and multiple jaw unit being arranged at this chassis, general chuck includes three or four jaw unit usually, respectively this jaw unit includes the slide block that is located at this chassis surface slippingly, one adjustable position ground is fixed on the jaw of this slide block, and one is located at pivotal part in this chassis, the pivotal part of these jaw unit is located at this perforation by one and can be driven and pivotable by the pull bar of axial displacement by board drives, drive these slider displacements simultaneously, and then make these jaws close to each other and clamping work pieces.
Existing chuck is mostly and is analogous to aforesaid design, the pivotal part band movable slider namely utilizing tension member to drive and make the design of jaw displacement, but, this kind of design structure complexity, number of parts are many, therefore manufacture and assemble quite time-consuming and cost is high, and easily because manufacturing and error in assembling and make precision reduce.
Summary of the invention
Because above-mentioned disappearance, main purpose of the present invention is to provide a kind of elastic grip holder, and its simple structure, number of parts are few, therefore manufacture and assemble comparatively save time, cost-saving and precision is higher.
For reaching above-mentioned purpose, elastic grip holder provided by the present invention includes a chassis, a resilient disc, and multiple jaw.This chassis has a upper surface, a lower surface, and the perforation that runs through this upper surface and this lower surface, and this perforation can define a central axis.This resilient disc one-body molded and have that a retainer ring, is positioned at these retainer ring central authorities pull block, and pull block radially to extend to multiple bearings of this retainer ring from this, this retainer ring is fixedly arranged on this chassis, this pulls block can be located in this perforation with displacement along this central axis in fact by a pulling force effect, respectively this bearing has a bottom surface and an end face, in the face of the upper surface on this chassis, and there is a radial clearance this bottom surface between this bottom surface and this upper surface.These jaws are located at the end face of these bearings respectively.
This resilient disc pull block in order to be connected to a pull bar, what this pull bar can pull this resilient disc when being subject to the pulling force that a force application apparatus provides pulls block, make these bearing elastic deformations and tilt towards this perforation, and then driving these jaws close to each other and clamping work pieces.This elastic grip holder is more simple compared with existing elastic grip holder structure, number of parts is few, therefore manufacture and assemble comparatively save time, cost-saving and precision is higher.
About the detailed configuration of elastic grip holder provided by the present invention, feature, assembling or occupation mode, described in describing in detail in follow-up embodiment.But those of ordinary skill should be able to be understood in field of the present invention, these describe in detail and implement the specific embodiment cited by the present invention, are only for illustration of the present invention, and are not used to limit patent claim of the present invention.
Accompanying drawing explanation
The three-dimensional combination figure of the elastic grip holder that Fig. 1 provides for one embodiment of the present invention and a pull bar;
The three-dimensional exploded view of the elastic grip holder that Fig. 2 provides for the preferred embodiment of the present invention and this pull bar;
The stereogram of one resilient disc of the elastic grip holder that Fig. 3 provides for the preferred embodiment of the present invention;
The top view of the elastic grip holder that Fig. 4 provides for the preferred embodiment of the present invention; And
Fig. 5 is the sectional view of elastic grip holder along hatching line 5-5 of Fig. 4, and shows this pull bar be connected with this elastic grip holder.
[symbol description]
10-elastic grip holder;
20-chassis; 22-body;
221-groove; 222-upper surface;
223-lower surface; 224-bores a hole;
225-holding part; 226-outer peripheral face;
The convex wall of 24-; 26-tool installing hole;
30-resilient disc; 32-retainer ring;
34-pulls block; 342-perforation;
344-outer peripheral face; 36-bearing;
361-bottom surface; 362-end face;
363-inner face; 364-outer face;
365-side; The axial connection rib of 366-;
367-groove; 368-profile groove;
The radial connection rib of 369-; 37-radial clearance;
38-axial gap;
40-jaw; 41-joint face;
42-clamping face; 43-stopping surface;
44-counter sink;
50-pull bar; 52-connecting portion;
54-forced section;
60-stopping unit; 62-holder;
622-adjusting hole; 64-yoke frame;
72,74-screw; 76-adjustment block;
762-screw; 78-screw
L-central axis.
Detailed description of the invention
Refer to each accompanying drawing, the elastic grip holder 10 that one embodiment of the present invention provides includes chassis 20, resilient disc 30, three jaw 40, and three stopping units 60, this elastic grip holder 10 in order to be connected with a pull bar 50, to receive pulling force that this pull bar 50 provides and to clamp a workpiece (not shown).
This chassis 20 includes a body 22 in the form of annular discs, and one is circular convex wall 24.This body 22 has the upper surface 222, one and the lower surface 223 in this upper surface 222 direction towards the opposite that a radial groove 221, is positioned at this groove 221, and the perforation 224 that runs through this upper surface 222 and this lower surface 223, this perforation 224 can define an imaginary central axis L, this groove 221 is communicated with this perforation 224, and has three holding parts 225 be radially distributed in around this perforation 224.This convex wall 24 protrudes out from the outer peripheral face 226 of this body 22 integratedly.
This resilient disc 30 one-body molded and have one be positioned at these retainer ring 32 central authorities in circular retainer ring 32, pull block 34, and pull block 34 radially to extend to three bearings 36 of this retainer ring 32 from this.This retainer ring 32 is sheathed on the body 22 on this chassis 20, and is fixed on this convex wall 24 by screw 72.There is part establish a threaded perforation 342 in this perforation 224 pulling block 34 to be located at this chassis 20, and this central axis L is by this perforation 342.These bearings 36 are located at these holding parts 225 respectively, respectively this bearing 36 has bottom surface 361 and an end face 362 in direction towards the opposite, one is connected to towards this central axis L the inner face 363 that this pulls block 34 outer peripheral face 344, one with the outer face 364 in this inner face 363 direction towards the opposite, and two sides 365 between this inner face 363 and this outer face 364, the axial connection rib 366 that one is connected to this retainer ring 32 is extended in this bottom surface 361, respectively this bearing 36 have more one in its end face 362 and in, outer face 363, 364 in the groove 367 opening shape, and one is the profile groove 368 of open shape in this outer face 364 and this two side faces 365, respectively this bearing 36 profile groove 368 with form a radial connection rib 369 be connected with this axial connection rib 366 between bottom surface 361.As shown in Figure 5, respectively the upper surface 222 of the bottom surface 361 of this bearing 36 in the face of this chassis 20 and and have a radial clearance 37 between this upper surface 222, and respectively this bearing 36 axial connection rib 366 in the face of the body 22 on this chassis 20 outer peripheral face 226 and and have an axial gap 38 between this outer peripheral face 226.
These jaws 40 are located at the end face 362 of these bearings 36 respectively, and respectively this jaw 40 has the clamping face 42 of a joint face 41, connected with this bearing 36 end face 362 towards this central axis L, and one and the stopping surface 43 in this clamping face 42 direction towards the opposite.In the present embodiment, respectively this jaw 40 is located at this bearing 36 by two-screw 74 and an adjustment block 76 with adjusting position, this adjustment block 76 from the opening that this bearing 36 is positioned at outer face 364 be fit into this bearing 36 groove 367 and can in this groove 367 slippage, be locked in two screws 762 of this adjustment block 76 in two counter sinks 44 that this two-screw 74 is located at this jaw 40, use and fix this jaw 40 and this adjustment block 76 position relative to this bearing 36.
This pull bar 50 has and lays respectively at its two end and establish threaded a junction 52 and a forced section 54, this connecting portion 52 is spirally connected and is fixed on the perforation 342 pulling block 34 of this resilient disc 30, this forced section 54 is fixed on a force application apparatus (not shown) in order to be spirally connected, with receive that this force application apparatus bestows one in fact along the pulling force of this central axis L effect.Whereby, this pull bar 50 can drive when being subject to this pulling force this resilient disc 30 pull block 34 in fact along this central axis L displacement (from viewed from Fig. 5 to bottom offset), make these bearing 36 elastic deformations and tilt towards this perforation 224, and then driving these jaws 40 close to each other and clamp one and be located at workpiece (not shown) between these jaws 40.This elastic grip holder 10 more can utilize multiple tool installing hole 26 on this chassis 20 and screw (not shown) and arrange tool (not shown), optionally to use the tool of auxiliary fixation workpiece according to different workpieces.
Respectively this stopping unit 60 includes a holder 62, and one can be subject to External Force Acting and be located at the yoke frame 64 of this holder 62 movably, in the present embodiment, this holder 62 has the adjusting hole 622 that is screw, this yoke frame 64 is the bolt being located at this adjusting hole 622, and user can rotate this yoke frame 64 and this yoke frame 64 this holder 62 relative is moved linearly.The holder 62 of these stopping units 60 is fixedly arranged on the outer face 364 of these bearings 36 respectively by screw 78, and the yoke frame 64 of these stopping units 60 is resisted against the stopping surface 43 of these jaws 40 respectively.
In the present embodiment, the end face 362 of respectively this bearing 36 of this resilient disc 30 is even surface, and the joint face 41 that respectively this jaw 40 connects with bearing 36 end face 362 of this resilient disc 30 is also even surface, engage with bearing the design connected compared to existing jaw with serrated face, jaw 40 provided by the present invention makes jaw 40 can adjust more subtly with the relative position of bearing 36 with bearing 36 with the design that even surface connects.The function of these stopping units 60 avoids these jaws 40 because being subject to the reaction force of workpiece and slippage on the end face 362 of bearing 36, and this elastic grip holder 10 also can not include these stopping units 60.Respectively this bearing 36 end face 362 and respectively this jaw 40 both joint faces 41 one of them also can be matsurface (such as serrated face), to increase the frictional force between jaw 40 and bearing 36, these jaws 40 so also can be avoided because being subject to the reaction force of workpiece and slippage on the end face 362 of bearing 36.
The feature of elastic grip holder 10 provided by the present invention is that this resilient disc 30 is one-body molded and has can these bearings 36 of elastic deformation, thus do not need mutually driven by many parts and then drive these jaws 40, and only need to be driven by this pull bar 50 by this resilient disc 30 and can drive these jaws 40, therefore, compared to existing elastic grip holder, elastic grip holder 10 provided by the present invention construct comparatively simple, number of parts is less, therefore manufacture and assemble comparatively save time, cost-saving and precision is higher.
It is worth mentioning that, respectively this bearing 36 of this resilient disc 30 has this axial connection rib 366, the design of this profile groove 368 and this radial connection rib 369, contribute to increasing elastic deformation's amount of respectively this bearing 36, but, respectively this bearing 36 is not limited to have this axial connection rib 366, this profile groove 368 and this radial connection rib 369, as long as respectively have this radial clearance 37 between the bottom surface 361 of this bearing 36 and the upper surface 222 on this chassis 20, respectively this bearing 36 is made to have the space tilted towards this perforation 224, also this axial gap 38 can be had between the outer peripheral face 226 on the axial connection rib 366 of this bearing 36 and this chassis 20, respectively this axial connection rib 366 is made to have the space tilted towards this outer peripheral face 226.The shape on this chassis 20 and not also being limited with the present embodiment institute supplier with the connected mode of this resilient disc 30, as long as this retainer ring 32 can be fixed on this chassis 20 (such as utilizing screwed lock to be fixed in outer peripheral face 226), this pulls block 34 can in fact along this central axis L displacement in this perforation 224, and the upper surface 222 of bottom surface 361 in the face of this chassis 20 of each this bearing 36.
The present embodiment is the elastic grip holder 10 with three jaws 40 illustrates elastic grip holder provided by the present invention structure for example, and bearing 36 quantity of this resilient disc 30 and the quantity of this stopping unit 60 are to should the quantity of jaw 40.But in elastic grip holder provided by the present invention, bearing 36 and this stopping unit 60 of this jaw 40, this resilient disc 30 are not restricted to three, also can be two, four or more.
Finally, again must illustrate that the composed component that the present invention is disclosed in previous embodiment is only and illustrates, be not used for limiting the scope of this case, substituting or change of other equivalence elements, the claim that also should be this case contained.
Claims (10)
1. an elastic grip holder, is characterized in that, includes:
One chassis, has a upper surface, a lower surface, and the perforation that runs through this upper surface and this lower surface, and this perforation can define a central axis;
One resilient disc, one-body molded and have that a retainer ring, is positioned at these retainer ring central authorities pull block, and pull block radially to extend to multiple bearings of this retainer ring from this, this retainer ring is fixedly arranged on this chassis, this pulls block can be located in this perforation with displacement along this central axis by a pulling force effect, respectively this bearing has a bottom surface and an end face, and in the face of the upper surface on this chassis, and there is a radial clearance this bottom surface between this bottom surface and this upper surface; And
Multiple jaw, is located at the end face of these bearings respectively.
2. elastic grip holder according to claim 1, wherein respectively this bearing has one and to extend from its this bottom surface and to be connected to the axial connection rib of this retainer ring.
3. elastic grip holder according to claim 2, wherein this chassis has an outer peripheral face, respectively the outer peripheral face of axial connection rib in the face of this chassis of this bearing, and respectively has an axial gap between this axial connection rib and this outer peripheral face.
4. elastic grip holder according to claim 2, wherein respectively this bearing has one towards the inner face, one and the side of outer face, two between this inner face and this outer face in this inner face direction towards the opposite of this central axis, and one in profile groove in open shape of this outer face and this two side faces, respectively this bearing this profile groove with form a radial connection rib be connected with this axial connection rib between this bottom surface.
5. elastic grip holder according to claim 1, wherein respectively this bearing has one towards the inner face, one and the side of outer face, two between this inner face and this outer face in this inner face direction towards the opposite of this central axis, and one in this outer face and this two side faces the profile groove in open shape.
6. elastic grip holder according to claim 1, wherein this chassis includes a body and a convex wall, and this body has an outer peripheral face, and this convex wall protrudes from this outer peripheral face, and the Fixing shrink ring of this resilient disc is located at this body and is fixed on this convex wall.
7. elastic grip holder according to claim 1, wherein this chassis has a groove be communicated with this perforation, this groove has the multiple holding parts be radially distributed in around this perforation, this upper surface on this chassis is positioned at this groove, and these bearings of this resilient disc lay respectively at these holding parts.
8. elastic grip holder according to claim 1, wherein respectively the end face of this bearing is even surface.
9. the elastic grip holder according to claim 1 or 8, wherein respectively this jaw has a joint face connected with this bearing end face, and this joint face is even surface.
10. elastic grip holder according to claim 1, it is characterized in that, also include multiple stopping unit, respectively this stopping unit includes a holder, and one can be subject to External Force Acting and be located at the yoke frame of this holder movably, the holder of these stopping units is fixedly arranged on these bearings respectively; Respectively this jaw has one towards the clamping face of this central axis, and one and the stopping surface in this clamping face direction towards the opposite, the yoke frame of these stopping units is resisted against the stopping surface of these jaws respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410043787.XA CN104801735A (en) | 2014-01-29 | 2014-01-29 | Elastic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410043787.XA CN104801735A (en) | 2014-01-29 | 2014-01-29 | Elastic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104801735A true CN104801735A (en) | 2015-07-29 |
Family
ID=53687163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410043787.XA Pending CN104801735A (en) | 2014-01-29 | 2014-01-29 | Elastic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104801735A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270816A (en) * | 2016-08-31 | 2017-01-04 | 浙江台玖精密机械有限公司 | The flexibly positioned gear hobbing tooling of sheet type |
| CN106424797A (en) * | 2015-08-06 | 2017-02-22 | 日睿股份有限公司 | Adjustable full-stroke clamp |
| CN106623854A (en) * | 2016-12-30 | 2017-05-10 | 重庆振华制动器有限公司 | Brake disc die-casting manipulator and brake disc die-casting production device |
| CN106825648A (en) * | 2016-12-06 | 2017-06-13 | 南京信息职业技术学院 | Eccentric clamping jaw applied to three-jaw chuck |
| CN107812971A (en) * | 2016-09-13 | 2018-03-20 | 上海锐铎精密机械制造有限公司 | A kind of soft claw of quick-replaceable |
| CN109047804A (en) * | 2018-10-11 | 2018-12-21 | 安徽同华新能源动力股份有限公司 | Turning clamp |
| CN110480042A (en) * | 2018-05-14 | 2019-11-22 | 黄耀德 | Collet jig and set of jaws comprising the collet jig |
| CN112658337A (en) * | 2020-12-15 | 2021-04-16 | 吉林大学 | Lathe three-jaw chuck jaw repairing device and using method thereof |
| CN115415562A (en) * | 2022-09-01 | 2022-12-02 | 安徽新诺精工股份有限公司 | High-tightness lathe hydraulic hollow chuck convenient to assemble and disassemble |
-
2014
- 2014-01-29 CN CN201410043787.XA patent/CN104801735A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424797A (en) * | 2015-08-06 | 2017-02-22 | 日睿股份有限公司 | Adjustable full-stroke clamp |
| CN106424797B (en) * | 2015-08-06 | 2019-01-25 | 日睿股份有限公司 | Adjustable full-stroke clamp |
| CN106270816A (en) * | 2016-08-31 | 2017-01-04 | 浙江台玖精密机械有限公司 | The flexibly positioned gear hobbing tooling of sheet type |
| CN107812971B (en) * | 2016-09-13 | 2023-12-26 | 建湖文辰精密科技有限公司 | Quick replacement soft jack catch |
| CN107812971A (en) * | 2016-09-13 | 2018-03-20 | 上海锐铎精密机械制造有限公司 | A kind of soft claw of quick-replaceable |
| CN106825648A (en) * | 2016-12-06 | 2017-06-13 | 南京信息职业技术学院 | Eccentric clamping jaw applied to three-jaw chuck |
| CN106825648B (en) * | 2016-12-06 | 2018-09-18 | 南京信息职业技术学院 | Eccentric clamping jaw applied to three-jaw chuck |
| CN106623854A (en) * | 2016-12-30 | 2017-05-10 | 重庆振华制动器有限公司 | Brake disc die-casting manipulator and brake disc die-casting production device |
| CN110480042A (en) * | 2018-05-14 | 2019-11-22 | 黄耀德 | Collet jig and set of jaws comprising the collet jig |
| CN109047804A (en) * | 2018-10-11 | 2018-12-21 | 安徽同华新能源动力股份有限公司 | Turning clamp |
| CN112658337B (en) * | 2020-12-15 | 2023-02-14 | 吉林大学 | Lathe three-jaw chuck jaw repairing device and using method thereof |
| CN112658337A (en) * | 2020-12-15 | 2021-04-16 | 吉林大学 | Lathe three-jaw chuck jaw repairing device and using method thereof |
| CN115415562A (en) * | 2022-09-01 | 2022-12-02 | 安徽新诺精工股份有限公司 | High-tightness lathe hydraulic hollow chuck convenient to assemble and disassemble |
| CN115415562B (en) * | 2022-09-01 | 2024-10-25 | 安徽卓朴智能装备股份有限公司 | High leakproofness lathe hydraulic pressure cavity chuck of convenient equipment dismantlement |
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| C06 | Publication | ||
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Application publication date: 20150729 |