CN206795289U - A kind of clamping device capable of rapid positioning - Google Patents

A kind of clamping device capable of rapid positioning Download PDF

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Publication number
CN206795289U
CN206795289U CN201720344389.0U CN201720344389U CN206795289U CN 206795289 U CN206795289 U CN 206795289U CN 201720344389 U CN201720344389 U CN 201720344389U CN 206795289 U CN206795289 U CN 206795289U
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China
Prior art keywords
fixture
positioning
base
clamping device
device capable
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CN201720344389.0U
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Chinese (zh)
Inventor
冯振中
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Zhejiang Xizi Bingrui Aviation Industry Co.,Ltd.
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ZHEJIANG XIZI AVIATION INDUSTRY Co Ltd
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Abstract

The utility model discloses a kind of clamping device capable of rapid positioning, including the base of rotatable fixture and stationary fixture, the fixture is arranged on base by steel ball power transmission positioning component, and is provided between fixture and base to determining mechanism.The fixture of the utility model device is arranged on base by steel ball power transmission positioning component, can quickly realize locking and the release the lock of fixture, is easy to switch the machined surface of workpiece, and simple in construction, reduces manufacturing cost.

Description

A kind of clamping device capable of rapid positioning
Technical field
It the utility model is related to mechanical production devices and frock technical field, more particularly to a kind of clamping capable of rapid positioning Device.
Background technology
For lathe due to its structure design and the difference of processing object, it is moved number of axle larger difference, cause its into This difference is huge.Wherein, three axis numerically controlled machine turns into current guarantor because having the advantages that cost is low, design is ripe, the range of work is big The maximum and most widely used lathe of the amount of having.
For most of workpieces to be processed, at least two faces above and below it, in left and right and front and rear six faces need to be added Work, if being processed using three axis numerically controlled machine to this kind of workpiece, at least need to workpiece turning once, and after upset again Clamping, calibration are carried out to workpiece, is unfavorable for the raising of processing efficiency, and be difficult to ensure that machining accuracy.
In view of the above-mentioned problems, it is typically to be processed using fixture auxiliary lathe, it is index chuck to commonly use fixture, and it can be 360 ° of unrestricted revolutions on some axle, still, most of the time, workpiece only needs to be rotated by 90 °, 180 °, the predetermined rotations such as 45 ° Corner switches over positioning, so as to cause its processing cost higher;It is difficult to quick locking in addition, it is also present, is switched fast base Quasi- face and volume are big and the problem of make installation thread replacing work amount big.
A kind of quick indexing, positioning and locking head, i.e. machine are disclosed in Publication No. CN101134285A patent document Bed fixture.The dividing head has pedestal, is supported on the rotating shaft for being used as rotation on pedestal, index dial, is fixed in rotating shaft and is used in combination In the fixture of clamping workpiece and retaining mechanism for locking index dial.It is by the cooperation of index dial and ratchet mechanism with reality Now to the positioning of fixture, i.e., the two form together the fixture to determining mechanism, pass through matching somebody with somebody for lock sleeve, cone set and set lever Close the locking realized to fixture in the axial direction.Although the dividing head simplifies structure and reduces cost, due to its use Ratchet mechanism and index dial coordinate as to determining mechanism, cause fixture can only single direction rotation and can not bidirectional rotation, inconvenience processing The selection of process, and after it is indirectly by countershaft positioning, then by rotating shaft fixture is positioned, rotating shaft is processed Be vulnerable in journey moment of torsion, impulsive force effect and produce change, the precision of following process can be had an impact, result even in turn The damage of axle, intensity, size and the structure design of this countershaft propose very high requirement.
Utility model content
The utility model provides a kind of clamping device capable of rapid positioning, solves conventional brace hardly possible With quick locking, cumbersome and detent mechanism is complicated the problem of.
A kind of clamping device capable of rapid positioning, including the base of rotatable fixture and stationary fixture, the fixture lead to Steel ball power transmission positioning component is crossed on base, and is provided between fixture and base to determining mechanism.
Preferably, determine mechanism and include the locating piece on the base and in vitro positioning key for described pair, the locating piece with Two relative surfaces of fixture have with positioning key coordinate locating slot, and one of them described surface have be no less than two edges The locating slot of fixture rotation direction distribution.Keyway type it is simple to determining mechanism structure, be easily worked, and easy to operate.Key The detent mechanism that groove coordinates can realize quick-clamping, calibration after the switching of work pieces process face, can also share clamping device use Power caused by process.
Preferably, one of them described surface is every along the equally distributed locating slot of fixture rotation direction, fixture with four Rotate 90 degree, it is possible to switch the machined surface of workpiece.
Preferably, there are at least two locating pieces, and the plane where adjacent positioned block is mutually perpendicular to, and is led on the base Cross and fixture is arranged on different locating pieces, realize the processing of workpiece more multiaspect.
Preferably, the locating piece and base are split-type structural, and the locating piece of split can be processed individually, machining accuracy Higher, assembling is easy to maintenance.In addition, so as to match the fixture of different requirements on same base, can have by changing locating piece Effect ground improves the frequency of use of base, cost-effective.
Preferably, the steel ball power transmission positioning component includes abutment sleeve, positioning bushing and conical surface bushing, wherein positioning lining Set is fixed on locating piece, and conical surface bushing is fixed on fixture.
It is further preferred that the base is hollow structure, it has handle hole away from fixture side.Using the structure its In side handle hole is set, other several faces can be with installs fixture.
The fixture of the utility model device is arranged on base by steel ball power transmission positioning component, can quickly realize fixture Locking and release the lock, be easy to switch the machined surface of workpiece, it is and simple in construction, reduce manufacturing cost.
Brief description of the drawings
Fig. 1 is the base and fixture exploded perspective schematic diagram of the utility model clamping device;
Fig. 2 is the utility model clamping device overlooking the structure diagram;
Fig. 3 is the profile of the utility model clamping device;
Fig. 4 is the profile of the utility model steel ball power transmission positioning component;
Fig. 5 is the structural representation of the utility model clamping device fixture.
Embodiment
As shown in figure 1, a kind of clamping device capable of rapid positioning, including base 1 and fixture 2, there are various folders on fixture 2 Hold the fixed mechanism of workpiece, it can use existing design, T-slot plate, special tool loading board as shown in mesh plate, Fig. 5 or in Heart vice etc..
As shown in Figures 3 and 4, fixture 2 is arranged on base 1 by steel ball power transmission positioning component, steel ball power transmission positioning component Including abutment sleeve 31, conical surface bushing 32 and positioning bushing 33, if abutment sleeve 31 has with the position that conical surface bushing 32 coordinates Dry aperture, aperture is interior to be provided with small steel ball 36, has the big steel that small steel ball 36 is squeezed into taper bush 32 in the cavity of abutment sleeve Pearl 35 and the soket head cap screw 34 for promoting big steel ball 35 to move.
As Figure 1-3, it is provided between fixture and base to determining mechanism, this includes the locating piece on base 1 to determining mechanism 4, locating piece 4 is provided with four to be had along the equally distributed locating slot 41 of fixture rotation direction, the surface of fixture relative positioning block Locating slot 21.When fixture is installed in place, locating slot 41 and locating slot 21 cooperatively form the blind hole coordinated with positioning key 5, limitation folder Relative rotation between tool 2 and base 1.Locating piece 4 and base 1 use split-type structural, are fixed by pin-and-hole structure, processing with It is easy to assembly.On locating piece 4 have four rotate angles be 90 ° locating slot, when fixture 2 be arranged on the locating piece 4 on, workpiece 90 °, 180 °, 270 °, 360 ° of four angles can be rotated, so as to realize the switching of four machined surfaces.
As shown in figure 3, the present embodiment taper bush 32 is fixed on fixture 2, positioning bushing 33 is fixed on locating piece 4, Abutment sleeve 31 is through positioning bushing 33 and conical surface bushing 32, so as to connect base 1 and fixture 2.Base 1 is hollow structure, and And one of side has handle hole 15, spanner turn soket head cap screw 34, can be realized to fixture by the handle hole 15 2 locking and release the lock.
As illustrated in fig. 1 and 2, in addition to locating piece 4, the side of locating piece 40 and side with handle hole 15, bottom Its excess-three face of seat 1 is provided with locating slot 13, and bottom surface is provided with pin-and-hole 14, is easy to device and lathe fast positioning.It is fixed Position block 40 is located at the top surface of base, and the locating piece 40 and the locating piece 4 of side are vertically arranged, when needing workpieces processing back to positioning During the machined surface of block 4, by clamp-replacing to locating piece 40.
Operation principle of the present utility model is as follows:
Fixture 2 of the present utility model is to be arranged on by steel ball power transmission positioning component on base 1, and interior six are tightened by spanner Angle screw 34, the big steel ball 35 of pushing tow, big steel ball 35 will squeeze into small steel ball 36 in conical surface bushing, promote fixture 2 to locating piece 4 It is mobile, until close to locating piece 4, limit its axial movement.Locating slot on locating slot 41 and fixture 2 on locating piece 4 simultaneously 21 coordinate in place, insert positioning key 5, can limit fixture 2 and be circumferentially rotated with respect to base, finally cause fixture 2 to be fixed on base 1 On.
When needing to switch the working face of workpiece, soket head cap screw 34 is reversely turned, small steel ball 36 is no longer to conical surface bushing 32 have squeezing action, and fixture 2 can axially move, and extract positioning key 5, and fixture 2 axially recovers to rotate.Rotary clamp respective corners After degree, soket head cap screw 34 is tightened again, fixture 2 is retightened on base 1, and switching is very convenient and quick.
When need workpieces processing back to locating piece 4 working face when, reversely turn soket head cap screw 34, remove fixture 2 more Change on locating piece 40, and locked fixture 2 and locating piece 40 by steel ball power transmission positioning component.

Claims (7)

1. a kind of clamping device capable of rapid positioning, including the base of rotatable fixture and stationary fixture, it is characterised in that institute State fixture to be arranged on base by steel ball power transmission positioning component, and be provided between fixture and base to determining mechanism.
2. clamping device capable of rapid positioning as claimed in claim 1, it is characterised in that determining mechanism for described pair includes being located at bottom Locating piece and in vitro positioning key on seat, the locating piece two surfaces relative with fixture have determines with what positioning key coordinated Position groove, and one of them described surface has the locating slot being distributed no less than two along fixture rotation direction.
3. clamping device capable of rapid positioning as claimed in claim 2, it is characterised in that one of them described surface has four It is individual along the equally distributed locating slot of fixture rotation direction.
4. clamping device capable of rapid positioning as claimed in claim 2 or claim 3, it is characterised in that have at least on the base Two locating pieces, and the plane where the bearing of trend of adjacent positioned block is mutually perpendicular to.
5. clamping device capable of rapid positioning as claimed in claim 2, it is characterised in that the locating piece and base are split Formula structure.
6. clamping device capable of rapid positioning as claimed in claim 2, it is characterised in that the steel ball power transmission positioning component bag Abutment sleeve, positioning bushing and conical surface bushing are included, wherein positioning bushing is fixed on locating piece, conical surface bushing is fixed on fixture On.
7. clamping device capable of rapid positioning as claimed in claim 6, it is characterised in that the base is hollow structure, and And wherein side has handle hole.
CN201720344389.0U 2017-04-01 2017-04-01 A kind of clamping device capable of rapid positioning Active CN206795289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720344389.0U CN206795289U (en) 2017-04-01 2017-04-01 A kind of clamping device capable of rapid positioning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720344389.0U CN206795289U (en) 2017-04-01 2017-04-01 A kind of clamping device capable of rapid positioning

Publications (1)

Publication Number Publication Date
CN206795289U true CN206795289U (en) 2017-12-26

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CN201720344389.0U Active CN206795289U (en) 2017-04-01 2017-04-01 A kind of clamping device capable of rapid positioning

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109176339A (en) * 2018-09-03 2019-01-11 昆山精驰机械科技有限公司 A kind of quick-clamping localization tool ball lock construction
CN109256921A (en) * 2018-09-17 2019-01-22 佛山登奇机电技术有限公司 A kind of motor cover brill attacks fixture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109176339A (en) * 2018-09-03 2019-01-11 昆山精驰机械科技有限公司 A kind of quick-clamping localization tool ball lock construction
CN109256921A (en) * 2018-09-17 2019-01-22 佛山登奇机电技术有限公司 A kind of motor cover brill attacks fixture
CN109256921B (en) * 2018-09-17 2024-05-07 佛山登奇机电技术有限公司 Motor cover drilling and tapping clamp

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GR01 Patent grant
CP03 "change of name, title or address"

Address after: No.277, Xinken Road, Qianjin Industrial Park, Jiangdong District, Hangzhou Economic and Technological Development Zone, Hangzhou, Zhejiang Province

Patentee after: Zhejiang Xizi Bingrui Aviation Industry Co.,Ltd.

Address before: No. 277, Xinken Road, dajiangdong Qianjin Park, Hangzhou Economic and Technological Development Zone, Zhejiang Province

Patentee before: ZHEJIANG XIZI AVIATION INDUSTRY Co.,Ltd.

CP03 "change of name, title or address"