CN102773508B - High-precision manual elastic chuck - Google Patents
High-precision manual elastic chuck Download PDFInfo
- Publication number
- CN102773508B CN102773508B CN201210285098.0A CN201210285098A CN102773508B CN 102773508 B CN102773508 B CN 102773508B CN 201210285098 A CN201210285098 A CN 201210285098A CN 102773508 B CN102773508 B CN 102773508B
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- collet
- carrier head
- base
- precision manual
- precision
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Abstract
The invention discloses a high-precision manual elastic chuck comprising an elastic collet. The elastic collet is arranged in a barrel. The barrel is provided with a machine tool connection seat, wherein the elastic collet is provided with an opening groove; the opening groove is internally provided with wave-shaped spring pieces; the elastic collet is fixed in a collet seat; the collet seat is arranged on a rear cover of the barrel through a belleville spring in a floating manner; and the collet seat is supported together with an inclined wedge. The high-precision manual elastic chuck provided by the invention obtains tension through the movement of the inclined wedge to enable the collet to move and enable the elastic collet to reversely move for resetting through the belleville spring. The high-precision manual elastic chuck provided by the invention has the advantages of simple structure and convenience for operation, can repeatedly move and always keeps a precision state so as to meet the high-precision machining requirements.
Description
Technical field
The present invention relates to a kind of clamping device for lathe, relate in particular to a kind of high-precision manual elasticity chuck.
Background technology
Manual elastic chuck is a kind of part processing cutting clamping device, is widely used in the rotary-type machining tool of manufacturing enterprise's part (as various engine lathes, numerically controlled lathe, grinding machine etc.), part silent oscillation machining tool (as various drilling machines, milling machine etc.).
Existing manual three-jaw chuck, common pull bar pattern (comprising ordinary casing pull rod type) collet, due to drive mechanism factor, accuracy of manufacture error, produce repetition clamping position precision very poor, suitable roughing clamping.Existing hydraulic power, air force chuck are also due to structural factor, in actual production debugging, be difficult to reach accuracy Design requirement, and because its structure link is many, cost is also higher, therefore be necessary part processing cutting clamping device structure to improve, improve part processing clamping device repetitive positioning accuracy, improve the quality of products and reduce costs.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high-precision manual elasticity chuck, can meet part production, semifinishing, the processing of turning around, repetitive positioning accuracy requirement after heat treatment when fine finishining, improves part crudy precision.
The present invention solves the problems of the technologies described above the technical scheme adopting to be to provide a kind of high-precision manual elasticity chuck, comprise collet, described collet is positioned at cylindrical shell, described cylindrical shell is provided with lathe Connection Block, and wherein, described collet is provided with open slot, in described open slot, be provided with wavy spring sheet, described collet is fixed in base of the carrier head, and described base of the carrier head is floated and is positioned on the bonnet of cylindrical shell by butterfly spring, and described base of the carrier head is together with tiltedly carving and offseting.
Above-mentioned high-precision manual elasticity chuck, wherein, described tiltedly carving as being 180 a pair of of degree symmetric arrays tiltedly carved, and described tiltedly carving with screw rod slided and is connected by T-slot, and described tiltedly carving is provided with packing ring between cylindrical shell, described screw rod and spiral shell seat composition screw pair.
Above-mentioned high-precision manual elasticity chuck, wherein, described collet front end is provided with workpiece locating piece.
Above-mentioned high-precision manual elasticity chuck, wherein, between described collet and base of the carrier head for being threaded.
Above-mentioned high-precision manual elasticity chuck, wherein, described collet rear end is provided with workpiece positioning screw nail seat.
Above-mentioned high-precision manual elasticity chuck, wherein, the bonnet of described cylindrical shell is provided with the steel-tube seat being connected with base of the carrier head, and described base of the carrier head is floated and is positioned on bonnet by base of the carrier head position screw.
Above-mentioned high-precision manual elasticity chuck, wherein, is provided with inner cone steel bushing and straight steel bushing between described collet and cylindrical shell.
Above-mentioned high-precision manual elasticity chuck, wherein, the number of described open slot is 3～6, is evenly distributed on collet.
The present invention contrasts prior art following beneficial effect: high-precision manual elasticity chuck provided by the invention, obtain tension force collet is moved by tiltedly carving motion, make oppositely mobile reset of collet by butterfly spring, by wavy spring sheet, collet aperture is expanded, conveniently assemble and disassemble workpiece, total is simple, easy to operate, can repeating motion and remain accurate state, thus meet high accuracy process requirements.
Brief description of the drawings
Fig. 1 is high-precision manual elasticity chuck structural representation of the present invention;
Fig. 2 is the cutaway view along A-A line in Fig. 1;
Fig. 3 is the bonnet cutaway view of high-precision manual elasticity chuck clamping elongated workpieces axial location of the present invention;
Fig. 4 is the collet cutaway view that high-precision manual elasticity chuck of the present invention clamps short part axial location.
In figure:
1 lathe Connection Block 2 cylindrical shell 3 spiral shell seats
4 screw rod 5 packing rings 6 are tiltedly carved
7 inner cone steel bushing 8 wavy spring sheet 9 collets
10 straight steel bushing 11 spiral shell seat dog screw 12 base of the carrier head
13 base of the carrier head position screw 14 butterfly spring 15 bonnets
16 workpiece positioning screw nail seat 17 workpiece dog screw 18 workpiece locating pieces
19 steel-tube seats
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is high-precision manual elasticity chuck structural representation of the present invention; Fig. 2 is the cutaway view along A-A line in Fig. 1.
Refer to Fig. 1 and Fig. 2, high-precision manual elasticity chuck provided by the invention comprise for the lathe Connection Block 1 of connecting machine tool main shaft, support each several part part cylindrical shell 2, by spiral shell seat dog screw 11, left-handed spiral shell seat 3 is positioned on cylindrical shell 2 excircles and is connected with left-handed screw 4, left-handed screw and tiltedly carve between 6 by T-slot slidably (eliminate tiltedly carve produce when mobile the impact being offset with left-handed screw position) be connected; At cylindrical shell axle center line position, packing ring 5, collet 9 are installed, in collet 3-6 equal portions open slot, be provided with wavy spring sheet 8, be 180 degree symmetric arrays a pair ofly tiltedly carve 6, to collet lead the base of the carrier head 12, supporting butterfly spring 14 deboosts of power and to the bonnet 15 of workpiece spindle to positioning datum; Base of the carrier head 12 is floated and is positioned on bonnet by base of the carrier head position screw 13; Concrete connection is as follows: collet 9 is positioned at cylindrical shell 2, cylindrical shell 2 is provided with lathe Connection Block 1, collet 9 is provided with open slot, in described open slot, be provided with wavy spring sheet 8, collet 9 is fixed in base of the carrier head 12, base of the carrier head 12 is fixed on by butterfly spring 14 on the bonnet 15 of cylindrical shell, base of the carrier head 12 with tiltedly carve 6 offset together with.
High-precision manual elasticity chuck provided by the invention, when work makes 3 dextrorotation of spiral shell seat screw rod 4, tiltedly carves the 6 generation tension force that move ahead, and moves after will base of the carrier head 12 connecting collets 9, and collet 9 is displaced pinch workpiece.Otherwise screw rod 4, tiltedly carve 6 and retreat, by butterfly spring 14 deboosts, collet 9 is released, the wavy spring sheet 8 in collet 3～6 equal portions open slots, by large aperture support, unclamps workpiece simultaneously.
Further, high-precision manual elasticity chuck provided by the invention, by be provided with inner cone steel bushing 7, straight steel bushing 10 between collet 9 and cylindrical shell 2, makes collet repeating motion remain high-accuracy state; By base of the carrier head dog screw 13 is set on bonnet 15, prevent that collet 9 from freely rotating (between base of the carrier head and dog screw, can float) in steel bushing, the convenient collet 9 of exchanging.
High-precision manual elasticity chuck provided by the invention, initial setting has 165 type holding workpiece external diameter 20-45mm, 200 type holding workpiece external diameter 46-75mm, 230 type holding workpiece external diameter 76-95mm, 260 type holder external diameter 96-120mm.Exchange collet 9 and also adapt to clamping thin-walled holding workpiece, square, hexagonal work piece shape.Exchange lathe Connection Block 1 (being fixed on platen), also adapt to the lathe that workpiece is fixed, cutlery rotates and use.For convenient clamping brachmorphy workpiece, high-precision manual elasticity chuck provided by the invention, can further regulate workpiece position length by the workpiece dog screw 17 of adjustable elastic chuck 9 rear ends and the workpiece locating piece 18 linking together, as shown in Figure 2.In order to clamp elongated workpiece, can be further by increasing bonnet steel-tube seat 19, described base of the carrier head 12 and steel-tube seat 19 are connected, and described base of the carrier head 12 is floated and is positioned on bonnet 15, as shown in Figure 4 by base of the carrier head position screw 13.
In sum, high-precision manual elasticity chuck provided by the invention, obtain tension force collet 9 is moved by tiltedly carving 6 motions, by being set between collet 9 afterbodys and bonnet 15, butterfly spring 4 makes oppositely mobile reset of collet, total is simple, easy to operate, can repeating motion and remain accurate state, thus meet high accuracy process requirements.In addition, in the open slot of collet, be provided with wavy spring sheet 8 aperture support unclamped greatly to workpiece, and can be under inner cone steel bushing 7 be assisted clamping work pieces, further improve machining accuracy.
Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is worked as with being as the criterion that claims were defined.
Claims (7)
1. a high-precision manual elasticity chuck, comprise collet (9), described collet (9) is positioned at cylindrical shell (2), described cylindrical shell (2) is provided with lathe Connection Block (1), it is characterized in that, described collet (9) is provided with open slot, in described open slot, be provided with wavy spring sheet (8), described collet (9) is fixed in base of the carrier head (12), described base of the carrier head (12) is floated and is positioned on the bonnet (15) of cylindrical shell by butterfly spring (14), described base of the carrier head (12) and tiltedly carve (6) and offset together, tiltedly carve for being a pair of of 180 degree symmetric arrays described tiltedly carve (6), described tiltedly carving with screw rod (4) slided and is connected by T-slot, described tiltedly carving is provided with packing ring (5) between cylindrical shell (2), described screw rod (4) and spiral shell seat (3) composition screw pair.
2. high-precision manual elasticity chuck as claimed in claim 1, is characterized in that, described collet (9) front end is provided with workpiece locating piece (18).
3. high-precision manual elasticity chuck as claimed in claim 1, is characterized in that, between described collet (9) and base of the carrier head (12) for being threaded.
4. high-precision manual elasticity chuck as claimed in claim 1, is characterized in that, described collet (9) rear end is provided with workpiece positioning screw nail seat (16).
5. high-precision manual elasticity chuck as claimed in claim 1, it is characterized in that, the steel-tube seat (19) that bonnet (15) is provided with and base of the carrier head (12) is connected of described cylindrical shell, described base of the carrier head (12) is floated and is positioned on bonnet (15) by base of the carrier head position screw (13).
6. high-precision manual elasticity chuck as claimed in claim 1, is characterized in that, is provided with inner cone steel bushing (7) and straight steel bushing (10) between described collet (9) and cylindrical shell (2).
7. the high-precision manual elasticity chuck as described in claim 1～6 any one, is characterized in that, the number of described open slot is 3～6, is evenly distributed on collet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285098.0A CN102773508B (en) | 2012-08-10 | 2012-08-10 | High-precision manual elastic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210285098.0A CN102773508B (en) | 2012-08-10 | 2012-08-10 | High-precision manual elastic chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102773508A CN102773508A (en) | 2012-11-14 |
| CN102773508B true CN102773508B (en) | 2014-10-22 |
Family
ID=47118739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210285098.0A Expired - Fee Related CN102773508B (en) | 2012-08-10 | 2012-08-10 | High-precision manual elastic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102773508B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058082A (en) * | 2015-07-31 | 2015-11-18 | 梧州奥卡光学仪器有限公司 | Turntable inner circle turning clamp |
| CN106141233B (en) * | 2016-08-03 | 2018-04-17 | 上海工程技术大学 | A kind of clutch hub turning clamp in automatic gearbox |
| CN109226799B (en) * | 2018-11-26 | 2023-09-01 | 杨轩武 | Precise elastic chuck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3938689A1 (en) * | 1989-11-22 | 1991-05-23 | Erich Wezel | Collet chuck for machine tool spindle - has collet seated in sliding cup that can be forced forward to clamp tool without torsion |
| US5806859A (en) * | 1996-06-24 | 1998-09-15 | Saccomanno, Iii; Matthew | Self-contained collet adaptor |
| CN201841286U (en) * | 2010-11-10 | 2011-05-25 | 内江市帆航制钉有限责任公司 | Elastic clamp for clamping outer diameter of workpiece |
| CN201848555U (en) * | 2010-11-17 | 2011-06-01 | 慈溪市飞达齿轮厂 | Spring collet |
| CN102209600A (en) * | 2008-12-05 | 2011-10-05 | 钴碳化钨硬质合金公司 | Side actuated collet lock mechanism |
| CN202984714U (en) * | 2012-08-10 | 2013-06-12 | 上海达荣精密机械有限公司 | High-precision manual elastic chuck |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100812125B1 (en) * | 2006-06-26 | 2008-03-12 | 김진곤 | Device for absorbing cylindrical elasticity deformation of lathe mounting in machine tool |
-
2012
- 2012-08-10 CN CN201210285098.0A patent/CN102773508B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3938689A1 (en) * | 1989-11-22 | 1991-05-23 | Erich Wezel | Collet chuck for machine tool spindle - has collet seated in sliding cup that can be forced forward to clamp tool without torsion |
| US5806859A (en) * | 1996-06-24 | 1998-09-15 | Saccomanno, Iii; Matthew | Self-contained collet adaptor |
| CN102209600A (en) * | 2008-12-05 | 2011-10-05 | 钴碳化钨硬质合金公司 | Side actuated collet lock mechanism |
| CN201841286U (en) * | 2010-11-10 | 2011-05-25 | 内江市帆航制钉有限责任公司 | Elastic clamp for clamping outer diameter of workpiece |
| CN201848555U (en) * | 2010-11-17 | 2011-06-01 | 慈溪市飞达齿轮厂 | Spring collet |
| CN202984714U (en) * | 2012-08-10 | 2013-06-12 | 上海达荣精密机械有限公司 | High-precision manual elastic chuck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102773508A (en) | 2012-11-14 |
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Granted publication date: 20141022 Termination date: 20180810 |