CN205888655U - Centering and clamping device - Google Patents
Centering and clamping device Download PDFInfo
- Publication number
- CN205888655U CN205888655U CN201620636736.2U CN201620636736U CN205888655U CN 205888655 U CN205888655 U CN 205888655U CN 201620636736 U CN201620636736 U CN 201620636736U CN 205888655 U CN205888655 U CN 205888655U
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- CN
- China
- Prior art keywords
- ejector pin
- traveller
- centering
- tapered sleeve
- plane
- 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
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Abstract
The utility model provides a centering and clamping device belongs to mechanical equipment technical field. It includes the gudgeon board, the traveller, the jack catch, the taper sleeve, the knock pin, drive actuating cylinder's upper end engaging lug axillare, the positive upper end of gudgeon board is provided with the jack -up boss, the taper sleeve can slide from top to bottom and set up in the awl bearing, be provided with three or three above drive inclined plane on the taper sleeve, compression spring sets up between end cover and taper sleeve, the knock pin passes through knock pin disc slidable and sets up on the knock pin groove, return spring's both ends and knock pin disc and dust cover laminating, the one end of knock pin is provided with driven inclined plane, driven inclined plane and drive beveled laminate, the traveller can slide from top to bottom and set up on the supporting support, the lower extreme of traveller passes through lock nut and the connection of gudgeon board, jack catch eccentric mounting is in the upper end of traveller, be provided with the spire groove on the traveller, rotatable card in the spire inslot of gyro wheel. The utility model discloses not only can realize fast to the centering of work piece with press from both sides tight, the work piece convenience of unloading moreover, good reliability.
Description
Technical field
The utility model is related to mechanical equipment technical field, particularly to a kind of centering and clamping apparatus.
Background technology
When workpiece is processed on lathe or assembled, for ensureing machining accuracy and improve production efficiency it is necessary to make workpiece exist
On lathe, cutter relatively occupies correct position, and this process is referred to as positioning.General positioning, is necessary for limiting 6 freedom of workpiece
Degree i.e. three directions are moved, and three directions rotate.The positioning of cylindrical work typically all adopts axle center to position, referred to as fixed
The heart.And workpiece on the basis of positioning due to during processing workpiece typically can be broken by external force larger (mainly cutting force) positioning
Bad, at this moment it is accomplished by applying clamping force to workpiece, to prevent workpiece from moving, this just cries clamping.So workpiece just secures position
Put, be convenient for processing or assemble.Common fixture is typically only capable to realize the clamping to workpiece, but it cannot be guaranteed that workpiece position
The accuracy put.Centering and clamping apparatus structure common at present is complex, and the centering to workpiece and clamping are time-consuming longer, and
And, in workpiece discharging, very inconvenient, need to unclamp workpiece manually, automaticity is low.
Utility model content
The purpose of this utility model is to provide a kind of centering and clamping apparatus, not only can quickly realize the centering to workpiece and folder
Tightly, and workpiece discharging is convenient, high degree of automation, good reliability.
The utility model solves its technical problem and be the technical scheme is that
A kind of centering and clamping apparatus, it include base, driving cylinder, trunnion plate, jack-up boss, guide pillar, guide pin bushing, traveller,
Locking nut, roller, claw, bearing support, cone fulcrum bearing, tapered sleeve, end cap, compression spring, ejector pin, ejector pin disk, return bullet
Spring, described guide pillar is vertically fixed on the lower end of trunnion plate, and described guide pillar can slide up and down and be arranged on guide pin bushing, and described guide pin bushing is fixed
On base, the lower end of described driving cylinder is arranged on base, and the upper end of driving cylinder connects trunnion plate, described trunnion plate
Positive upper end is provided with jack-up boss, and described cone fulcrum bearing is arranged on bearing support, and described tapered sleeve can slide up and down and be arranged on cone
In fulcrum bearing, described tapered sleeve is provided with the driving inclined-plane of three or more than three, end cap is arranged on the upper end of cone fulcrum bearing, institute
State compression spring to be arranged between end cap and tapered sleeve, described bearing support is provided with ejector pin groove, concentric on described ejector pin set
It is equipped with ejector pin disk, described ejector pin is slidably arranged on ejector pin groove by ejector pin disk, the outside of described ejector pin groove is provided with
Dust cover, the two ends of described return spring and ejector pin disk and dust cover laminating, one end of described ejector pin is provided with driven
Inclined-plane, driven inclined-plane and driving inclined-plane laminating, the other end of described ejector pin is provided with dome, and described jack-up boss is located at tapered sleeve
Underface, described traveller can slide up and down and be arranged on bearing support, and locking nut and trunnion plate are passed through in the lower end of described traveller
Connect, described claw is eccentrically mounted at the upper end of traveller, described traveller is provided with helical flute, and described roller is rotatably provided in
On bearing support, and it is stuck in helical flute.
Further, described roller is rubber roll.
Further, the quantity of described ejector pin is identical with the quantity of the driving inclined-plane on tapered sleeve.
Further, the lower surface of described claw is provided with resilient sleeper-bearing.
Compared to the prior art the utility model, has advantages below and an effect: tapered sleeve in the presence of compression spring to
Lower slider, the driving inclined-plane on tapered sleeve is passed through driven inclined-plane and is driven the outside Slideslip of ejector pin, realizes the centering to workpiece.Now,
The lower end of claw and workpiece laminating, realize the clamping to workpiece.After completing processing, driving cylinder action, drive trunnion plate upwards
Motion, guide pillars and bushes is conducive to trunnion plate to be smoothly moved up and down.Due to the interaction of the helical flute on traveller and roller,
Traveller rises while rotating, and enables claw to turn to bearing support center and is removed with ensureing workpiece.Roller is rubber roll,
Good reliability, long service life.With driving cylinder continuation action, the jack-up boss on trunnion plate will force and move on tapered sleeve, in
It is that ejector pin is retracted in the presence of return spring, and workpiece is fully released.The outside of ejector pin groove is provided with dust cover, effectively
Prevent the impurity such as dust from entering ejector pin groove, decrease ejector pin disk and the abrasion of ejector pin groove.The lower surface setting of claw is flexible
Backing plate, is conducive to the clamping of workpiece, effectively prevent the damage to workpiece.The utility model not only can quickly be realized to workpiece
Centering and clamping, and workpiece discharging is convenient, high degree of automation, good reliability.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure: 1. base, 2. driving cylinder, 3. trunnion plate, 4. jack-up boss, 5. guide pillar, 6. guide pin bushing, 7. traveller, 8. lock
Jack panel, 9. roller, 10. claw, 11. bearing supports, 12. cone fulcrum bearings, 13. tapered sleeves, 14. end caps, 15. compression springs, 16.
Ejector pin, 17. ejector pin disks, 18. return springs, 19. driving inclined-planes, 20. ejector pin grooves, 21. workpiece, 22. dust covers, 23. from
Dynamic inclined-plane, 24. domes, 25. helical flutes.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are right
Of the present utility model explain and the utility model is not limited to following examples.
As shown in figure 1, a kind of centering and clamping apparatus, it includes base 1, driving cylinder 2, trunnion plate 3, jack-up boss 4, leads
Post 5, guide pin bushing 6, traveller 7, locking nut 8, roller 9, claw 10, bearing support 11, cone fulcrum bearing 12, tapered sleeve 13, end cap 14, pressure
Contracting spring 15, ejector pin 16, ejector pin disk 17, return spring 18, described guide pillar 7 is vertically fixed on the lower end of trunnion plate 3, described leads
Post 5 can slide up and down and be arranged on guide pin bushing 6, and described guide pin bushing 6 is fixed on base 1, and guide pillar 5 and guide pin bushing 6 are conducive on trunnion plate 3
Under be smoothly moved.The lower end of described driving cylinder 2 is arranged on base 1, and the upper end of driving cylinder 2 connects trunnion plate 3, described
The positive upper end of trunnion plate 3 is provided with jack-up boss 4.Described cone fulcrum bearing 12 is arranged on bearing support 11, and described tapered sleeve 13 can
Slide up and down and be arranged in cone fulcrum bearing 12, described tapered sleeve 13 is provided with the driving inclined-plane 19 of three or more than three, described
The quantity of ejector pin 16 is identical with the quantity of the driving inclined-plane 19 on tapered sleeve 13.End cap 14 is arranged on the upper end of cone fulcrum bearing 12, institute
State compression spring 15 to be arranged between end cap 14 and tapered sleeve 13, described bearing support 11 is provided with ejector pin groove 20, described ejector pin
Concentric on 16 be provided with ejector pin disk 17, described ejector pin 16 is slidably arranged on ejector pin groove 20 by ejector pin disk 17, institute
The outside stating ejector pin groove 20 is provided with dust cover 22, effectively prevents the impurity such as dust from entering ejector pin groove 20, decreases ejector pin circle
Disk 17 and the abrasion of ejector pin groove 20.Fitting in the two ends of described return spring 18 and ejector pin disk 17 and dust cover 22, is conducive to
Ejector pin 16 self-return.One end of described ejector pin 16 is provided with driven inclined-plane 23, and driven inclined-plane 23 and driving inclined-plane 19 are fitted, institute
The other end stating ejector pin 16 is provided with dome 24.Described jack-up boss 4 is located at the underface of tapered sleeve 13.Described traveller 7 can be upper and lower
It is slidably arranged on bearing support 11, the lower end of described traveller 7 passes through locking nut 8 and trunnion plate 3 connects, and described claw 10 is inclined
Feel at ease and be contained in the upper end of traveller 7, the lower surface of described claw 10 is provided with resilient sleeper-bearing, is conducive to the clamping of workpiece 21, effectively
Avoid the damage to workpiece 21.Helical flute 25 is provided with described traveller 7, described roller 9 is rotatably provided in bearing support
On 11, and it is stuck in helical flute 25.Described roller 9 is rubber roll, good reliability, long service life.
By technique scheme, when a kind of centering and clamping apparatus of the utility model use, tapered sleeve 13 is in compression spring 15
In the presence of slide downward, the driving inclined-plane 19 on tapered sleeve 13 passes through driven inclined-plane 23 and drives the outside Slideslip of ejector pin 16, realize
Centering to workpiece 21.Now, the lower end of claw 10 and workpiece 21 are fitted, and realize the clamping to workpiece 21.After completing processing, drive
Take offence cylinder 2 action, drive trunnion plate 3 to move upwards, due to the interaction of the helical flute 25 on traveller 7 and roller 9, traveller 7
Rising while rotating, enabling claw 10 to turn to bearing support 11 center and being removed with ensureing workpiece 21.With driving cylinder 2
Continuation action, the jack-up boss 4 on trunnion plate 3 will force and move on tapered sleeve 13, and then, ejector pin 16 is in the presence of return spring 18
Retract, workpiece 21 is fully released.The utility model not only can quickly realize the centering to workpiece 21 and clamping, and workpiece 21
Discharging is convenient, high degree of automation, good reliability.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement or adopt class to described specific embodiment
As mode substitute, the content without departing from the utility model specification or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.
Claims (4)
1. a kind of centering and clamping apparatus it is characterised in that: it includes base, driving cylinder, trunnion plate, jack-up boss, guide pillar, leads
Set, traveller, locking nut, roller, claw, bearing support, cone fulcrum bearing, tapered sleeve, end cap, compression spring, ejector pin, ejector pin circle
Disk, return spring, described guide pillar is vertically fixed on the lower end of trunnion plate, and described guide pillar can slide up and down and be arranged on guide pin bushing, institute
State guide pin bushing to be fixed on base, the lower end of described driving cylinder is arranged on base, the upper end of driving cylinder connects trunnion plate, institute
The positive upper end stating trunnion plate is provided with jack-up boss, and described cone fulcrum bearing is arranged on bearing support, and described tapered sleeve can go up downslide
Dynamic being arranged on is bored in fulcrum bearing, and described tapered sleeve is provided with the driving inclined-plane of three or more than three, and end cap is arranged on cone supporting
The upper end of seat, described compression spring is arranged between end cap and tapered sleeve, and described bearing support is provided with ejector pin groove, described ejector pin
Upper concentric be provided with ejector pin disk, described ejector pin is slidably arranged on ejector pin groove by ejector pin disk, described ejector pin groove
Outside is provided with dust cover, the two ends of described return spring and ejector pin disk and dust cover laminating, one end of described ejector pin
It is provided with driven inclined-plane, driven inclined-plane and driving inclined-plane laminating, the other end of described ejector pin is provided with dome, described jack-up boss
Positioned at the underface of tapered sleeve, described traveller can slide up and down and be arranged on bearing support, and locking screw is passed through in the lower end of described traveller
Female and trunnion plate connects, and described claw is eccentrically mounted at the upper end of traveller, described traveller is provided with helical flute, and described roller can
It is rotatably arranged on bearing support, and be stuck in helical flute.
2. a kind of centering and clamping apparatus according to claim 1 it is characterised in that: described roller be rubber roll.
3. a kind of centering and clamping apparatus according to claim 1 it is characterised in that: in the quantity and tapered sleeve of described ejector pin
The quantity of driving inclined-plane is identical.
4. a kind of centering and clamping apparatus according to claim 1 it is characterised in that: the lower surface of described claw is provided with bullet
Property backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636736.2U CN205888655U (en) | 2016-06-25 | 2016-06-25 | Centering and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636736.2U CN205888655U (en) | 2016-06-25 | 2016-06-25 | Centering and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205888655U true CN205888655U (en) | 2017-01-18 |
Family
ID=57769101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620636736.2U Expired - Fee Related CN205888655U (en) | 2016-06-25 | 2016-06-25 | Centering and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205888655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855963A (en) * | 2016-06-25 | 2016-08-17 | 王燕飞 | Centering and clamping device |
| CN105904264A (en) * | 2016-06-23 | 2016-08-31 | 光隆精密工业（福州）有限公司 | Machining and positioning mechanism for built-in shifting fork of turbocharger and work method |
-
2016
- 2016-06-25 CN CN201620636736.2U patent/CN205888655U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904264A (en) * | 2016-06-23 | 2016-08-31 | 光隆精密工业（福州）有限公司 | Machining and positioning mechanism for built-in shifting fork of turbocharger and work method |
| CN105904264B (en) * | 2016-06-23 | 2018-09-21 | 光隆精密工业（福州）有限公司 | Shift fork processing detent mechanism and working method built in turbocharger |
| CN105855963A (en) * | 2016-06-25 | 2016-08-17 | 王燕飞 | Centering and clamping device |
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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: 20170118 Termination date: 20170625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |