CN204221468U - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN204221468U CN204221468U CN201420691154.5U CN201420691154U CN204221468U CN 204221468 U CN204221468 U CN 204221468U CN 201420691154 U CN201420691154 U CN 201420691154U CN 204221468 U CN204221468 U CN 204221468U
- Authority
- CN
- China
- Prior art keywords
- axle
- vee
- clamp body
- pressing plate
- oil cylinder
- 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
Links
Abstract
A kind of clamping device disclosed in the utility model, comprises clamp body, pressing plate, bearing, hydraulic jack, gear spline axle, tightens up arm, screw rod, nut, axle excircle self-locking mechanism and positioning apparatus for circumferential direction; The rear end of described gear spline axle is arranged on clamp body by bearing and pressing plate, and its end is respectively provided with one and tightens up arm, and two are tightened up arm and are connected with two screw rods respectively, and the other end of two screw rods is linked together by nut; Described hydraulic jack comprises oil cylinder, oil cylinder cover and piston; Described pressing plate middle part is connected with the piston of hydraulic jack; Described oil cylinder is positioned at immediately below pressing plate, is fixed on clamp body by oil cylinder cover; Described axle excircle self-locking mechanism comprises vee-block support, skewback, axle and vee-block; Vee-block is arranged on vee-block support by axle, and in the middle of each axle, below is provided with skewback, and skewback can make axle along the oscilaltion of vee-block support; The utility model adopts to force to reverse eliminates gap method, improves production efficiency.
Description
Technical field
The utility model relates to a kind of mechanical manufacturing field, more particularly, particularly relates to a kind of clamping device utilizing splined shaft to eliminate centering gap.
Background technology
In prior art, certain automobile drive-shaft tunnel is pitched, and processing content is that essence opens shelves and right boring earhole as shown in Figure 1, requires with the main location of part inner gear spline and can automatic anti-backlash, and axle head is spacing, axle cylindrical floating clamping mechanism self-locking.Therefore need to design a set of clamping device and meet above-mentioned processing request.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides a kind of structure simple, easy to operate, and effectively can eliminate the gap between setting element and locating hole, clamping device that again can be easy to loading and unloading.
The technical solution adopted in the utility model is clamping device, comprises clamp body, pressing plate, bearing, hydraulic jack, gear spline axle, tightens up arm, screw rod, nut, axle excircle self-locking mechanism and positioning apparatus for circumferential direction; The rear end of described gear spline axle is arranged on clamp body by bearing and pressing plate, and its end is respectively provided with one and tightens up arm, and two are tightened up arm and are connected with two screw rods respectively, and the other end of two screw rods is linked together by nut;
Described hydraulic jack comprises oil cylinder, oil cylinder cover and piston; Described pressing plate middle part is connected with the piston of hydraulic jack; Described oil cylinder is positioned at immediately below pressing plate, is fixed on clamp body by oil cylinder cover;
Described axle excircle self-locking mechanism comprises vee-block support, skewback, axle and vee-block; Vee-block is arranged on vee-block support by axle, and in the middle of each axle, below is provided with skewback, and skewback can make axle along the oscilaltion of vee-block support; Described axle circle self-locking mechanism is fixed on the horizontal plane of clamp body by vee-block support;
Described positioning apparatus for circumferential direction comprises F shape support, registration arm and dog screw; Described registration arm is fixed in the F v notch v of F support by dog screw; Positioning apparatus for circumferential direction is connected with clamp body by F shape support.
Further, described each gear spline axle overlaps respectively and has two bearings, and each bearing is fixedly connected on clamp body and pressing plate by bearing (ball) cover.
Further, described bearing adopts deep-groove ball axle.
Further, described gear spline shaft end with tighten up arm and be connected by nut.
Further, described clamp body and oil cylinder cover are also provided with oil line pipe.
The beneficial effect of utility model is: the utility model structure is simple, convenient to operation, easy to loading and unloading, adopt to force to reverse and eliminate gap method, eliminate the gap of the splined hole of setting element gear spline axle and workpiece, meet with gear spline hole as the every processing request of positioning datum, on the basis that improve product quality, improve production efficiency greatly.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is required processing work structural representation in prior art.
Fig. 2 is the utility model front view.
Fig. 3 is the utility model left view.
In figure: 1, clamp body, 2, piston, 3, vee-block support, 4, skewback, 5, axle, 6, vee-block, 7, oil cylinder cover, 8, pressing plate, 9, screw rod, 10, nut, 11, left-handed screw, 12, tighten up arm, 13 bearings, 14, spacing end cap, 15, gear spline axle, 16, F shape support, 17, dog screw, 18, registration arm, 19, workpiece, 20, oil cylinder, 21, round nut, 22, oil line pipe.
Detailed description of the invention
Consult shown in Fig. 2, Fig. 3, clamping device of the present utility model, comprise clamp body 1, pressing plate 8, bearing 13, hydraulic jack, gear spline axle 15, tighten up arm 12, screw rod, nut 10, axle excircle self-locking mechanism and positioning apparatus for circumferential direction; The rear end of described gear spline axle 15 is arranged on clamp body 1 by bearing 13 and pressing plate 8, and its end is respectively provided with one and tightens up arm 12, and two are tightened up arm 12 and are connected with two screw rods respectively, and the other end of two screw rods is linked together by nut 10.
Described hydraulic jack comprises oil cylinder 20, oil cylinder cover 7 and piston 2; Described pressing plate 8 middle part is connected with the piston 2 of hydraulic jack; Described oil cylinder 20 is positioned at immediately below pressing plate 8, is fixed on clamp body 1 by oil cylinder cover 7.
Described axle excircle self-locking mechanism comprises vee-block support 3, skewback 4, axle 5 and vee-block 6; Vee-block 6 is arranged on vee-block support 3 by axle 5, and in the middle of each axle 5, below is provided with skewback 4, and skewback 4 can make axle 5 along vee-block support 3 oscilaltion; Described axle circle self-locking mechanism is fixed on the horizontal plane of clamp body 1 by vee-block support 3.
Described positioning apparatus for circumferential direction comprises F shape support 16, registration arm 18 and dog screw 17; Described registration arm 18 is fixed in the F v notch v of F shape support 16 by dog screw 17; Positioning apparatus for circumferential direction is connected with clamp body 1 by F shape support 16.
Each gear spline axle 15 described in the utility model overlaps respectively two bearings 13, and each bearing 13 is fixedly connected on clamp body 1 and pressing plate 8 by spacing end cap 14.
Bearing 13 described in the utility model adopts deep-groove ball axle.
Gear spline axle 15 end described in the utility model with tighten up arm 12 and be connected by screw.
Clamp body 1 described in the utility model and oil cylinder cover 7 are also provided with oil line pipe 22.
In work, for the ease of workpiece loading and unloading 19, between setting element gear spline axle 15 and the splined hole of workpiece, usually leave certain gap, but when processing work 19, this gap must be eliminated again, therefore adopt pressure to reverse elimination gap method.
The utility model adopts hydraulic way clamping, clamped one time two workpiece 19, registration arm 18 is fixed in F support 16F v notch v by dog screw 17, the effect of circumference location is played to workpiece 19, behind location, workpiece 19 no longer can rotate in circumference, in order to improve the rotating accuracy of gear spline axle 15, selects deep groove ball bearing 13, and the gap of bearing 13 is tightened up by the round nut 21 of gear spline axle 15 rear end, gear spline axle 15 rear end is arranged on clamp body 1.Two gear spline axle 15 rear ends are respectively equipped with one and are tightened up arm 12, be connected with nut 10 by screw rod 9 and left-handed screw 11, manual rotation nut 10, arm 12 is tightened up in tension, force to reverse gear spline axle 15, gear spline axle 15 is fitted with the key side of the splined hole of workpiece 19, thus eliminates the positioning gap of workpiece 19.
Axle excircle self-locking mechanism is float clamp mechanism, comprises vee-block support 3, skewback 4, axle 5 and vee-block 6; Skewback 4 can make axle 5 rise or decline and self-locking, and vee-block 6 swings on axle 5, such that vee-block 6 is lighter is closely attached on the outer circular shaft of workpiece 19.After four vee-blocks 6 are all adjacent to the outer circular shaft of workpiece 19, clamping hydraulic cylinder efficient, clamping work pieces 19.Workpiece 19 unclamps and tightens up arm 12, turn on the registration arm 18 be arranged on support 16, just can machined workpiece 19 after clamping.
Above illustrated embodiment is better embodiment of the present utility model, only be used for conveniently the utility model being described, not any pro forma restriction is done to the utility model, have in any art and usually know the knowledgeable, if do not depart from the utility model carry in the scope of technical characteristic, utilize the utility model disclose the Equivalent embodiments changing or modify in the done local of technology contents, and do not depart from technical characteristic content of the present utility model, all still belong in the scope of the utility model technical characteristic.
Claims (5)
1. a clamping device, is characterized in that: comprise clamp body (1), pressing plate (8), bearing (13), hydraulic jack, gear spline axle (15), tighten up arm (12), screw rod, nut (10)
,axle excircle self-locking mechanism and positioning apparatus for circumferential direction; The rear end of described gear spline axle (15) is arranged on clamp body (1) by bearing (13) and pressing plate (8), its end is respectively provided with one and tightens up arm (12), two are tightened up arm (12) and are connected with two screw rods respectively, and the other end of two screw rods is linked together by nut (10);
Described hydraulic jack comprises oil cylinder (20), oil cylinder cover (7) and piston (2); Described pressing plate (8) middle part is connected with the piston (2) of hydraulic jack; Described oil cylinder (20) is positioned at immediately below pressing plate (8), is fixed on clamp body (1) by oil cylinder cover (7);
Described axle excircle self-locking mechanism comprises vee-block support (3), skewback (4), axle (5) and vee-block (6); Vee-block (6) is arranged on vee-block support (3) by axle (5), and in the middle of each axle (5), below is provided with skewback (4), and skewback (4) can make axle (5) along vee-block support (3) oscilaltion; Described axle excircle self-locking mechanism is fixed on the horizontal plane of clamp body (1) by vee-block support (3);
Described positioning apparatus for circumferential direction comprises F shape support (16), registration arm (18) and dog screw (17); Described registration arm (18) is fixed in the F v notch v of F shape support (16) by dog screw (17); Positioning apparatus for circumferential direction is connected with clamp body (1) by F shape support (16).
2. clamping device according to claim 1, is characterized in that: described each gear spline axle (15) is overlapped respectively and had two bearings (13), and each bearing (13) is fixedly connected on clamp body (1) and pressing plate (8) by spacing end cap (14).
3. clamping device according to claim 1, is characterized in that: described bearing (13) adopts deep-groove ball axle.
4. clamping device according to claim 1, is characterized in that: described gear spline axle (15) end with tighten up arm (12) and be connected by screw.
5. according to the arbitrary described clamping device of Claims 1-4, it is characterized in that: described clamp body (1) and oil cylinder cover (7) are also provided with oil line pipe (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420691154.5U CN204221468U (en) | 2014-11-18 | 2014-11-18 | Clamping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420691154.5U CN204221468U (en) | 2014-11-18 | 2014-11-18 | Clamping device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204221468U true CN204221468U (en) | 2015-03-25 |
Family
ID=52919609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420691154.5U Expired - Fee Related CN204221468U (en) | 2014-11-18 | 2014-11-18 | Clamping device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204221468U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105666186A (en) * | 2016-04-07 | 2016-06-15 | 镇江远大传动机械有限公司 | Clamp for processing internal circumferential surface of shaft pipe connecting hole on welding yoke based on lathe |
-
2014
- 2014-11-18 CN CN201420691154.5U patent/CN204221468U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105666186A (en) * | 2016-04-07 | 2016-06-15 | 镇江远大传动机械有限公司 | Clamp for processing internal circumferential surface of shaft pipe connecting hole on welding yoke based on lathe |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203679290U (en) | Dry type bar material automatic feeding device for automatic numerically controlled lathe | |
CN202591449U (en) | Clamping device for spinning | |
CN205254148U (en) | Spiral bevel gear hole boring machining anchor clamps | |
CN103143604B (en) | Rolling and forming device for ring-shaped groove on inner wall of pipe product | |
CN104759920A (en) | Fixture for drilling cross hole in tooth holder | |
CN204221468U (en) | Clamping device | |
CN104400629A (en) | Bevel gear cylindrical grinding clamp | |
CN204449138U (en) | For processing the externally threaded fixture of motorcycle thin-wall sleeve | |
CN201201055Y (en) | Fixed clamp type lathe spindle center | |
CN203459488U (en) | Roller forming device of pipe inner wall annular groove | |
CN202212605U (en) | Processing fixture for internal toothed sleeve of synchronizer | |
CN202239978U (en) | Gear shaving expansion sleeve | |
CN202088012U (en) | Mechanical clamping spring collet for holes | |
CN202668227U (en) | Clamping and feeding device of solid pipe blank peeling machine | |
CN202779505U (en) | Main shaft clamping mechanism for rotary extrusion | |
CN206084533U (en) | Bent axle is driver plate anchor clamps for turning | |
CN202701394U (en) | Machining device of diesel engine bent axle | |
CN205996650U (en) | A kind of vertical process center fixture | |
CN204565730U (en) | Toothholder bores cross hole fixture | |
CN203664676U (en) | Motor casing processing device facilitating noise reduction of motor | |
CN103286581B (en) | Lathe center frame auxiliary clamping mechanism | |
CN203725788U (en) | Novel lathe tailstock | |
CN108237446B (en) | Cylindrical grinding and positioning tool and grinding method for thin-wall conical surface part | |
CN203390547U (en) | Hydraulic workbench for milling tap flute | |
CN104816053A (en) | Machining apparatus |
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: 20150325 Termination date: 20151118 |
|
EXPY | Termination of patent right or utility model |