CN207309495U - A kind of Self-aligning hydraulic pressure vehicle clamper - Google Patents
A kind of Self-aligning hydraulic pressure vehicle clamper Download PDFInfo
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- CN207309495U CN207309495U CN201721109760.1U CN201721109760U CN207309495U CN 207309495 U CN207309495 U CN 207309495U CN 201721109760 U CN201721109760 U CN 201721109760U CN 207309495 U CN207309495 U CN 207309495U
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- hydraulic pressure
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Abstract
The utility model provides a kind of Self-aligning hydraulic pressure vehicle clamper, including turntable, mandril, stent, spherical washer, hinge leverage；Through hole is provided with the body of stent, spherical concave surface is equipped with the both ends open of through hole, the spherical washer to match with it is set on spherical concave surface；Mandril taper end sequentially passes through spherical washer, the through hole on rack body, spherical washer and limiting component upwards, has 2mm gaps between the through-hole wall and mandril outer wall on rack body；Each branch bar on stent connects a hinge leverage, and hinge leverage includes pressing plate, and the free end of pressing plate is used to clamp bearing cap.Fixture described in the utility model plays the role of Self-aligning, and three pressing plates are pressed on bearing cap surface successively, and when compression can automatically adjust three pressing plates being pressed on bearing cap surface, three pressing plate synchronization compression axises is held lid；The fixture is quick, laborsaving, convenient, and processing bearing cap precision conforms to technological requirement, reliable clamping.
Description
Technical field
Frock clamp field is the utility model is related to, is specially a kind of Self-aligning hydraulic pressure vehicle clamper.
Background technology
In machinery industry, lathe is also largely using, similar revolving body workpieces (a such as axle bearing lid), due to by various
Constraint, it is impossible to directly clamped using three-jaw, it is necessary to divide multiple spot to compress from periphery.
As soon as example, gearbox axle bearing lid F91409 monthly nearly up to ten thousand demands, smart car microcephaly's process, vehicle clamper used
It is to compress bearing caps along the uniformly distributed pressing plates circumferentially of urgent four of bearing cap edge gas trigger, during each clamping bearing cap,
Ten urgent panel nuts of reporting to the leadship after accomplishing a task of three-jaw will be rotated, clamping force cannot be full symmetric, can cause positioning deflection.It is to be processed complete
Finish, pick up gas trigger again and unclamp pressing plate, take out bearing cap.During this, each bearing cap will be picked up and put lower gas plate
Machine twice, clamps and unclamps bearing cap and each want more than 15 seconds time, and is to be vibrated tightening nut, so continuous behaviour
Make, operative employee's wrist is ached.In addition, the source of the gas of gas trigger is on the ground, all tracheaes are wound on operative employee underfooting always, are allowed to move
It is dynamic very inconvenient.Not only also to there is clamping in this method for dividing multiple spot to compress from periphery asynchronous there are multiple spot clamping efficiency
The problems such as.Therefore need to use automatic fixture.
For existing fixture since workpiece surface is hair side, for pressing plate at workpiece pressing surface, all pressing plates cannot be same
When contacted with workpiece surface, can cause to clamp asynchronous, the non-uniform situation of thrust, the excessive part of thrust can cause to damage
Ruin.
Utility model content
For problems of the prior art, the utility model provides a kind of Self-aligning hydraulic pressure vehicle clamper, passes through ball-type
The use of packing ring and hinge leverage, realizing quickly disposably makes three or more pressing plate synchronous clamping workpiece, improves work
Make efficiency, reduce the clamping time, reduce labor intensity, balanced production line beat.
The utility model is to be achieved through the following technical solutions：
A kind of Self-aligning hydraulic pressure vehicle clamper, including turntable, mandril, stent, spherical washer and hinge leverage；In turntable
Between be provided with through hole, side wall is equipped with least three openings；Stent includes the multiple branch bars set on columnar body and body,
Body is co-axially located in the through hole of turntable, and multiple branch bars correspond with the opening on turntable side wall and respectively from corresponding
Opening is pierced by；Through hole is provided with body, spherical concave surface is equipped with the both ends open of through hole, sets on spherical concave surface and matches with it
Spherical washer；After mandril one end sequentially passes through the spherical washer of the spherical washer of lower end, the through hole on body and upper end upwards
Connect limiting component, other end connection driving source；It is in gap setting between through-hole wall and mandril outer wall on body；Each point
Strut connects a hinge leverage for being used to clamp workpiece；When mandril moves down, hinge leverage workpiece pressing；
When mandril moves up, hinge leverage unclamps workpiece.
Preferably, the gap between the through-hole wall on body and mandril outer wall is 2mm.
Preferably, hinge leverage includes pressing plate, column and connecting rod；One end of column is fixedly connected on turntable, separately
One end and one end of pressing plate are hinged；The other end of pressing plate is free end, for workpiece pressing；One end of connecting rod and the stage casing of pressing plate
Hinged, the other end is hinged with branch bar.
Further, the free end of pressing plate is equipped with positioning spigot.
Preferably, limiting component is nut.
Further, limiting component further includes split pin, and nut is slotted nut, and mandril upper end is equipped with vertical with mandril
Hole, split pin are inserted into nut groove and mandril upper end hole.
Preferably, the cushion block of covering disk upper surface is fixedly installed on turntable.
Compared with prior art, the utility model has technique effect beneficial below：
Machine tool hydraulic pull rod draws/pushes away mandril described in the utility model, drives hinge leverage to move by stent, so that
Three or more pressing plates are driven to compress or open to realize workpiece loading and unloading.Between through-hole wall and mandril outer wall on rack body
Gap is set so that stent is in micro quick condition, while uses spherical washer, is subject to when a pressing plate is contacted with workpiece
Reaction force from workpiece surface, makes stent adjust automatically posture, allows other two pressing plates also to be contacted successively with workpiece, when three
After a pressing plate is all contacted with workpiece, stent posture no longer adjusts, and starts to put forth effort workpiece pressing until killing completely, therefore realizes
The effect of Self-aligning.When i.e. fixture works, three pressing plates are pressed on the surface of the workpiece successively, and when compression, which can automatically adjust, is pressed in work
Three pressing plates on part surface, make three pressing plate synchronization workpiece pressings, are unlikely to make three pressing plates one of those or two outstanding
Sky, thrust are uneven.Fixture described in the utility model is quick, laborsaving, convenient, and workpieces processing precision conforms to technological requirement, presss from both sides
It is tight reliable.Work efficiency can be improved using this fixture, reduces the clamping time, reduces labor intensity, balanced production line beat.
Further, hinge leverage is arranged to hinged successively column, pressing plate and connecting rod, then with turntable and stent
Branch bar connection, it is simple in structure, it is possible to achieve mandril drives stent, and stent drives hinge leverage to move up and down again, from
And realize the purpose of pressing plate workpiece pressing.
Further, the positioning spigot of pressing plate free end can accurately position workpiece, realize reliable workpiece pressing.
Further, it is spacing to mandril progress by slotted nut and split pin, it can prevent nut and opposite turn of mandril
It is dynamic.
Further, cushion block is set in disk upper surface, workpiece is pressed on cushion block, can protect turntable not by workpiece pressure
Compel to produce damage, cushion block can be convenient for changing after having abrasion.
Brief description of the drawings
Fig. 1 is hydraulic car clamp structure schematic diagram described in the utility model.
Fig. 2 for hydraulic pressure vehicle clamper described in the utility model not clamping bearing cap when schematic diagram.
Schematic diagram when Fig. 3 is hydraulic pressure vehicle clamper clamping bearing cap described in the utility model.
In figure：1st, workpiece；2nd, pressing plate；3rd, column；41st, body；42nd, branch bar；5th, mandril；6th, turntable；7th, spherical washer；
8th, nut；9th, split pin；10th, connecting rod；11st, cushion block.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
Referring to Fig. 1, a kind of Self-aligning hydraulic pressure vehicle clamper, including turntable 6, mandril 5, stent, spherical washer 7 and hinge lever
Mechanism；Through hole is provided among turntable 6, side wall is equipped with least three openings, is preferably three；Stent includes columnar body 41
With the multiple branch bars 42 set on body 41；Body 41 is co-axially located in the through hole of turntable 6, multiple branch bars 42 and turntable
Opening on 6 side walls is corresponded and is pierced by respectively from corresponding opening；Through hole is provided with body 41, at the both ends open of through hole
The spherical washer 7 to match with it is set equipped with spherical concave surface, on spherical concave surface；When mandril 5 moves down, hinge Lever machine
Structure workpiece pressing；When mandril 5 moves up, hinge leverage unclamps workpiece.
Mandril 5 has taper end and butt end, and taper end sequentially passes through spherical washer 7, the through hole on body 41 and spherical washer 7 upwards
Attaching nut 8, and butt end connects driving source by machine tool hydraulic pull rod；Driving source is moved for the hydraulic pressure that lathe spindle centring system provides
Power.The spherical washer 7 of lower part and the upper surface of 5 butt end of mandril, the spherical washer 7 on top are contacted with the lower surface of nut 8.
Nut 8 is slotted nut, and 5 upper end of mandril is equipped with the hole vertical with mandril 5, and nut groove and 5 upper end hole of mandril are inserted into split pin 9
It is interior, spacing effect is played, so as to prevent nut 8 and mandril 5 from relatively rotating.The lower end of mandril 5 is equipped with internal thread, passes through
Internal thread can be attached with machine tool hydraulic pull rod, drive mandril 5 to move up and down so as to fulfill machine tool hydraulic pull rod.
Each branch bar 42 connects a hinge leverage for being used to clamp workpiece；Hinge leverage include pressing plate 2,
Column 3 and connecting rod 10；One end of column 3 is fixedly connected on turntable 6, and one end of the other end and pressing plate 2 is hinged；Pressing plate 2 it is another
One end is free end, for workpiece pressing；One end of connecting rod 10 and the stage casing of pressing plate 2 are hinged, and the other end is hinged with branch bar 42.
The free end of pressing plate 2 sets positioning spigot, and positioning spigot coincide with workpiece 1 to be contacted, for clamping workpiece 1.
The cushion block 11 of fixed setting covering turntable 6 upper surface on turntable 6, because turntable 6 is general material, directly and bearing
Lid contact, crushes easily, and surface sets the harder cushion block 11 of material on it, and bearing cap is pressed on cushion block, can be protected
Turntable is not oppressed by bearing cap and produces damage, and cushion block can be convenient for changing after having abrasion.
It is in gap setting between 5 outer wall of through-hole wall and mandril on body 41, gap size is preferably 2mm, makes stent
In micro quick condition, then coordinate the design of spherical washer 7 so that fixture has self-regulated heart function at work.When one
Pressing plate 2 is subject to the reaction force from 1 surface of workpiece when being contacted with workpiece 1, make stent adjust automatically posture, allows other two to press
Plate 2 also contacts successively with workpiece 1, and after three pressing plates 2 are all contacted with workpiece 1, stent posture no longer adjusts, and starts to force
Clamping of workpieces makes the synchronous workpiece pressings 1 of three pressing plates 2 until killing completely, is unlikely to make three pressing plates 2 one of those or two
Vacantly, thrust is uneven, will not and disfiguring workpiece 1 excessive due to some 2 pressure of pressing plate.
The application method of hydraulic pressure vehicle clamper described in the utility model is as follows：
Referring to Fig. 2 and 3, in use, hydraulic pressure vehicle clamper is installed on lathe spindle end face, there is system at lathe spindle center
The hydraulic power of offer, machine tool hydraulic pull rod are connected through a screw thread with 5 butt end of mandril and provide power to clamp platen 2.
When fixture works, the positioning spigot for first passing through 2 free end of pressing plate is positioned to workpiece 1, and workpiece 1 is gently buckled in fixture
On, hydraulic control switch is opened, machine tool hydraulic pull rod pulls down mandril 5, to drive hinge leverage to tense downwards, three pressures
Plate 2 is pressed on 1 surface of workpiece successively, and when compression can automatically adjust three pressing plates 2 being pressed on 1 surface of workpiece, make three pressing plates
Synchronous workpiece pressing 1.
Hydraulic control switch is closed, hydraulic power disappears, and machine tool hydraulic pull rod pushes up mandril 5, hinge leverage
Move up, pressing plate 2 unclamps, and can unload workpiece 1.
After hydraulic control switch is opened, moment Automatic-clamping workpiece 1 after three 2 correction positions of pressing plate, when taking down workpiece 1
It is that fast, reduction 1 lay day of workpiece, reduces labor intensity in this way, convenient.Work efficiency can be improved using this fixture, it is balanced
Production line beat.
Claims (7)
- A kind of 1. Self-aligning hydraulic pressure vehicle clamper, it is characterised in that including turntable (6), mandril (5), stent, spherical washer (7) and Hinge leverage；Through hole is provided among turntable (6), side wall is equipped with least three openings；Stent includes columnar body (41) and on body (41) the multiple branch bars (42) set, body (41) are co-axially located in the through hole of turntable (6), Duo Gefen Strut (42) is corresponded with the opening on turntable (6) side wall and is pierced by respectively from corresponding opening；It is provided with body (41) logical Hole, spherical concave surface is equipped with the both ends open of through hole, the spherical washer (7) to match with it is set on spherical concave surface；Mandril (5) The spherical washer (7), the through hole on body (41) and the spherical washer (7) of upper end that one end sequentially passes through lower end upwards connect limit afterwards Position component, other end connection driving source；It is in gap setting between through-hole wall and mandril (5) outer wall on body (41)；Each Branch bar (42) connects a hinge leverage for being used to clamp workpiece；When mandril (5) moves down, hinge leverage Workpiece pressing；When mandril (5) moves up, hinge leverage unclamps workpiece.
- A kind of 2. Self-aligning hydraulic pressure vehicle clamper according to claim 1, it is characterised in that the through-hole wall on body (41) Gap between mandril (5) outer wall is 2mm.
- 3. a kind of Self-aligning hydraulic pressure vehicle clamper according to claim 1, it is characterised in that hinge leverage includes pressing plate (2), column (3) and connecting rod (10)；One end of column (3) is fixedly connected on turntable (6), one end of the other end and pressing plate (2) It is hinged；The other end of pressing plate (2) is free end, for workpiece pressing；One end of connecting rod (10) and the stage casing of pressing plate (2) are hinged, The other end is hinged with branch bar (42).
- 4. a kind of Self-aligning hydraulic pressure vehicle clamper according to claim 3, it is characterised in that the free end of pressing plate (2) is equipped with Positioning spigot.
- 5. a kind of Self-aligning hydraulic pressure vehicle clamper according to claim 1, it is characterised in that limiting component is nut (8).
- 6. a kind of Self-aligning hydraulic pressure vehicle clamper according to claim 5, it is characterised in that limiting component further includes split pin (9), nut (8) is slotted nut, and mandril (5) upper end is equipped with the hole vertical with mandril (5), split pin (9) insertion nut groove with In mandril (5) upper end hole.
- 7. a kind of Self-aligning hydraulic pressure vehicle clamper according to claim 1, it is characterised in that turntable is fixedly installed on (6) Cover the cushion block (11) of turntable (6) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109760.1U CN207309495U (en) | 2017-08-31 | 2017-08-31 | A kind of Self-aligning hydraulic pressure vehicle clamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109760.1U CN207309495U (en) | 2017-08-31 | 2017-08-31 | A kind of Self-aligning hydraulic pressure vehicle clamper |
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| Publication Number | Publication Date |
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| CN207309495U true CN207309495U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721109760.1U Active CN207309495U (en) | 2017-08-31 | 2017-08-31 | A kind of Self-aligning hydraulic pressure vehicle clamper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548621A (en) * | 2020-11-30 | 2021-03-26 | 山东金帝精密机械科技股份有限公司 | Positioning fixture for straight groove machining |
-
2017
- 2017-08-31 CN CN201721109760.1U patent/CN207309495U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548621A (en) * | 2020-11-30 | 2021-03-26 | 山东金帝精密机械科技股份有限公司 | Positioning fixture for straight groove machining |
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