CN206764408U - Spring self-tightening end face drives chuck - Google Patents
Spring self-tightening end face drives chuck Download PDFInfo
- Publication number
- CN206764408U CN206764408U CN201720555925.1U CN201720555925U CN206764408U CN 206764408 U CN206764408 U CN 206764408U CN 201720555925 U CN201720555925 U CN 201720555925U CN 206764408 U CN206764408 U CN 206764408U
- Authority
- CN
- China
- Prior art keywords
- chuck
- spring
- balance plate
- drive pin
- central axis
- 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
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model spring self-tightening end face driving chuck is related to a kind of driving expansion chuck, more particularly to without hydraulic station or drive device that pneumatic room is power source；Processed for slewing parts high accuracy, the non-circular curve of high-axiality, complex appearance, chuck is driven more particularly to a kind of spring self-tightening end face, including tailstock centre, chuck is top, guide holder, spring center seat and terminal pad, tailstock centre with chuck is top is oppositely arranged, a pilot hole is provided with guide holder, the output end of the oil cylinder of the terminal pad and lathe is fixedly linked, and the central axis that the central axis of tailstock centre is top with chuck overlaps.The utility model chuck is top to be used to feel relieved, tailstock centre clamps workpiece and elapses forward to coordinate and ensure that workpiece both ends are concentric, can effectively solve the problems, such as the axiality of the precision component that secondary clamping is brought in traditional handicraft scheme, its is simple in construction, without servicing unit, convenience easy to maintenance.
Description
Technical field
A kind of driving expansion chuck is the utility model is related to, more particularly to without hydraulic station or driving that pneumatic room is power source
Device；Processed for slewing parts high accuracy, the non-circular curve of high-axiality, complex appearance, and in particular to a kind of spring is certainly
Tight end face driving chuck.
Background technology
In slewing parts process, driving expansion chuck has hydraulic control chuck, pneumatic control chuck and hand
Dynamic expansion chuck.Oild chuck and air spider have all been built upon on the basis of hydraulic station or pneumatic room.Although can be automatic
Centering steps up workpiece, but adds financial cost for small-scale production processing.
In machining, chuck clamps power by pull bar connection hydraulic means or pneumatic means, for small-scale
Production needs to establish hydraulic station or pneumatic room, artificially causes certain financial burden；In addition, the process of longaxones parts
Generally have the part that gripper chuck is held be processing less than, it is necessary to secondary turn around to process, therefore axiality is just had certain
Influence.Want ensure axiality just need master worker carry out repeatedly debugging calibration, not only waste time and energy, and yield also on
Do not go, processing efficiency is relatively low.
The content of the invention
In order to solve the above problems, the utility model provides a kind of simple in construction, the clamped one time cylindrical whole of completion
Roughing and fine machining, it is effective to reduce because of coaxiality deviation caused by u-turn processing, greatly improve the qualified of processing efficiency and product
The spring self-tightening end face driving chuck of rate.
The utility model spring self-tightening end face drives chuck, including tailstock centre, chuck are top, guide holder, spring center
Seat and terminal pad, tailstock centre with chuck is top is oppositely arranged, a pilot hole, the terminal pad and lathe are provided with guide holder
Spindle end be fixedly linked, the central axis that the central axis of tailstock centre is top with chuck overlaps；
The chuck is top to be connected with a spring center through pilot hole, and the spring center is slidably arranged in spring center
In seat, and one end is connected by elastic device with spring center seat elasticity, and the other end is top from spring center seat towards chuck
Simultaneously stretch out；
Around several top also uniform drive pins of chuck in the guide holder, and drive pin passes through adjusting means and spring
Dead head is connected, and the guide holder is fixedly linked with spring center seat with terminal pad；On guide holder two neighboring drive pin it
Between region be fixedly installed stopping means, the stopping means stretch into guide holder and with chuck is top offsets, it is described spacing
The central axis of device is in the same plane.
Preferably, adjusting means is tapered bar assembly, and the tapered bar assembly includes lubrication chamber, tapered bar supporting pin and balance
Plate, the tapered bar supporting pin is through lubrication chamber, and both ends are fixedly linked with being all connected with disk, and the balance plate is positioned at lubrication chamber
It is interior, and be rotatedly connected with tapered bar supporting pin；
Balance plate is arranged to two, and two balance plates are parallel to each other, and each balance plate is towards the one side of drive pin
It is movably connected with corresponding drive pin；When there is a drive pin towards balance plate applying power, balance plate is around tapered bar supporting pin
Center axis thereof；The central axis upright of plane and tapered bar supporting pin where the balance plate, and the center top with chuck
Diameter parallel；
The central axis of tapered bar supporting pin and the top central axis upright of chuck；
A through hole is provided with the tapered bar support pin center, the chuck is top to pass through the through hole and spring center phase
Even；
Inflow pipeline and oil inlet are additionally provided with the lubrication chamber.
Preferably, balance plate semicircular in shape, including one side and the periphery that is attached thereto, the side and drive pin activity
It is connected.
Preferably, the central axis of the drive pin centerline axis parallel top with chuck.
Preferably, elastic device is Rectangular Section Spring.
Preferably, drive pin is arranged to four, wherein two neighboring drive pin connects with the side activity of a balance plate,
Two other drive pin connects with the side activity of another balance plate.
Preferably, stopping means is hexagon socket head cap screw.
The utility model chuck is top to be used to feel relieved, and tailstock centre clamps workpiece and elapses forward to coordinate and ensure workpiece two
End is concentric, and circular shaft-type parts all process steps outside complexity can be completed by realizing clamped one time using the reaction force of elastic device,
No hydraulic station or pneumatic room are breached as circular pattern outside the clamping of power source chuck, not only stability is good for the chuck, can effectively solve
Certainly in traditional handicraft scheme the precision component that secondary clamping is brought axiality problem, and its is simple in construction, without servicing unit,
Convenience easy to maintenance.
Top tight workpiece end face is driven using spring reaction to be driven rotation with 4 points instead of claw clamping is cylindrical
Float function, automatic capturing workpiece end face, it is not that very smooth four stress can also be consistent even if workpiece end face.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is Fig. 1 B-B sectional views.
Reference：1- drive pins, 2- guide holders, 3- inflow pipelines, 4- tapered bar supporting pins, 6- terminal pads, 7- spring tops
Sharp seat, 8- spring stoppers, 9- Rectangular Section Springs, 10- spring centers, 11- balance plates, 12- hexagon socket head cap screws, 13- cards
Disk is top, 14- workpiece, 15- tailstock centres.
Embodiment
The utility model spring self-tightening end face drives chuck, including tailstock centre 15, chuck are top 13, guide holder 2, spring
Dead head 7 and terminal pad 6, tailstock centre 15 are oppositely arranged with chuck top 13, and a pilot hole is provided with guide holder 2, described
Terminal pad 6 and the spindle end of lathe are fixedly linked, and the central axis of tailstock centre 15 overlaps with the central axis of chuck top 13；
The chuck top 13 is connected with a spring center 10 through pilot hole, and the spring center 10 is slidably arranged in spring center seat
In 7, and one end is connected by the elasticity of elastic device and spring center seat 7, and the other end is from spring center seat 7 towards chuck top 13
One side stretch out；
Around several the also uniform drive pins 1 of chuck top 13 in the guide holder 2, and drive pin 1 passes through adjusting means
It is connected with spring center seat 7, the guide holder 2 is fixedly linked with spring center seat 7 with terminal pad 6；Adjacent two on guide holder 2
Region between individual drive pin 1 is fixedly installed stopping means, the stopping means stretch into guide holder 2 and with chuck top 13
Offset, the central axis of the stopping means is in the same plane.Adjusting means is tapered bar assembly, and the tapered bar assembly includes
Chamber, tapered bar supporting pin 4 and balance plate 11 are lubricated, the tapered bar supporting pin 4 is through lubrication chamber, and both ends are with being all connected with disk 6
It is fixedly linked, the balance plate 11 is located in lubricating cavity room, and is rotatedly connected with tapered bar supporting pin 4；
Balance plate 11 is arranged to two, and two balance plates 11 are parallel to each other, and each balance plate is towards the one of drive pin
Side is movably connected with corresponding drive pin 1；When there is a drive pin 1 towards balance plate applying power, balance plate is around tapered bar branch
Support the center axis thereof of pin 4；The central axis upright of the place plane of balance plate 11 and tapered bar supporting pin 4, and and chuck
Top 13 centerline axis parallel；
The central axis of tapered bar supporting pin 4 and the central axis upright of chuck top 13；
A through hole is provided with the center of tapered bar supporting pin 4, the chuck top 13 passes through the through hole and spring center
10 are connected；Inflow pipeline and 3 oil inlets are additionally provided with the lubrication chamber.The semicircular in shape of balance plate 11, including side
Face and the periphery being attached thereto, the side are movably connected with drive pin 1.The central axis of drive pin 1 with chuck top 13
Centerline axis parallel.Elastic device is Rectangular Section Spring 9, and one end and the spring center 10 of Rectangular Section Spring 9 offset, separately
One end is connected by spring stopper 8 with spring center seat, and spring stopper 8 is bolt, and the bolt and spring center
Seat is connected by screw thread.Drive pin 1 is arranged to four, wherein the side activity of two neighboring drive pin 1 and a balance plate 11
Connect, two other drive pin 1 connects with the side activity of another balance plate 11.The stopping means is hexagon socket head cap screw 12.
In use, chuck top 13 and tailstock centre 15 are felt relieved to workpiece 14, coordinate fixed workpiece 14；Tailstock centre 15
Workpiece 14 is forced in, workpiece 14 forces in chuck top 13, and chuck top 13, which retreats, forces in spring center 10, spring center 10
Rectangular Section Spring 9 is forced in after stress, until drive pin 1 and the end contact of workpiece 14.Tapered bar supporting pin 4 causes total in tapered bar
Into clamping workpiece 14 during stress, preferably fixed tapered bar assembly simultaneously ensures it during high speed rotates using balance plate 11
Possess preferably with reassignment and stability；The contacts side surfaces with balance plate 11 of drive pin 1, make it in clamping workpiece 14, work
When part 14 exerts a force to its drive pin 1, balance plate 11 and tapered bar assembly are driven the equal of power according to the surface condition of workpiece 14
Even distribution, if the drive pin 1 and workpiece contact position in two drive pins 1 being movably connected with a balance plate 11 are raised,
The drive pin 1 balances plate 11 and exerted a force, driving balance plate 11 around the center axis thereof of tapered bar supporting pin 4, and with the balance plate 11
Another drive pin 1 being movably connected can then prop up the balance plate 11 of rotation, and then carry out the smooth regulation of workpiece end face, realize end
Face centering, the end face of 1 top tight workpiece of drive pin 14, balance plate 11 are adjusted according to the end face flatness of workpiece 14, make drive pin 1 by
Power is uniform, reaches the end face of top tight workpiece 14, realizes that clamped one time completes cylindrical whole processing.
Claims (7)
1. a kind of spring self-tightening end face drives chuck, including tailstock centre（15）, chuck it is top（13）, guide holder（2）, spring top
Sharp seat（7）And terminal pad（6）, tailstock centre（15）It is top with chuck（13）It is oppositely arranged, guide holder（2）On be provided with a guiding
Hole, the terminal pad（6）It is fixedly linked with the spindle end of lathe, tailstock centre（15）Central axis and chuck it is top（13）'s
Central axis overlaps；
It is characterized in that：The chuck is top（13）A spring center is connected with through pilot hole（10）, the spring center
（10）It is slidably arranged in spring center seat（7）It is interior, and one end passes through elastic device and spring center seat（7）Elasticity is connected, another
Hold from spring center seat（7）It is top towards chuck（13）One side stretch out；
The guide holder（2）It is interior top around chuck（13）Several also uniform drive pins（1）, and drive pin（1）Pass through regulation
Device and spring center seat（7）It is connected, the guide holder（2）With spring center seat（7）And terminal pad（6）It is fixedly linked；Lead
To seat（2）Upper two neighboring drive pin（1）Between region be fixedly installed stopping means, the stopping means stretches into guiding
Seat（2）It is and top with chuck（13）Offset, the central axis of the stopping means is in the same plane.
2. spring self-tightening end face as claimed in claim 1 drives chuck, it is characterised in that the adjusting means is tapered bar assembly,
The tapered bar assembly includes lubrication chamber, tapered bar supporting pin（4）And balance plate（11）, the tapered bar supporting pin（4）Through lubrication
Chamber, and both ends are with being all connected with disk（6）It is fixedly linked, the balance plate（11）In lubricating cavity room, and with tapered bar supporting pin
（4）It is rotatedly connected；
Balance plate（11）It is arranged to two, and two balance plates（11）It is parallel to each other, and each balance plate is towards the one of drive pin
Side with corresponding drive pin（1）It is movably connected；When there is a drive pin（1）During towards balance plate applying power, balance plate is around wedge
Bar supporting pin（4）Center axis thereof；The balance plate（11）Place plane and tapered bar supporting pin（4）Central axis hang down
Directly, it is and top with chuck（13）Centerline axis parallel；
Tapered bar supporting pin（4）Central axis and chuck it is top（13）Central axis upright；
The tapered bar supporting pin（4）A through hole is provided with center, the chuck is top（13）Through the through hole and spring center
（10）It is connected；
Be additionally provided with the lubrication chamber inflow pipeline and（3）Oil inlet.
3. spring self-tightening end face as claimed in claim 2 drives chuck, it is characterised in that the balance plate（11）Semicircular in shape,
Including one side and the periphery being attached thereto, the side and drive pin（1）It is movably connected.
4. spring self-tightening end face as claimed in claim 3 drives chuck, it is characterised in that the drive pin（1）Central axis
It is top with chuck（13）Centerline axis parallel.
5. spring self-tightening end face as claimed in claim 4 drives chuck, it is characterised in that the elastic device is square-section bullet
Spring（9）.
6. spring self-tightening end face as claimed in claim 5 drives chuck, it is characterised in that the drive pin（1）Four are arranged to,
Wherein two neighboring drive pin（1）With a balance plate（11）Side activity connect, two other drive pin（1）Put down with another
Weigh plate（11）Side activity connect.
7. spring self-tightening end face as claimed in claim 6 drives chuck, it is characterised in that the stopping means is hexagon socket head cap screw
（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555925.1U CN206764408U (en) | 2017-05-18 | 2017-05-18 | Spring self-tightening end face drives chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555925.1U CN206764408U (en) | 2017-05-18 | 2017-05-18 | Spring self-tightening end face drives chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206764408U true CN206764408U (en) | 2017-12-19 |
Family
ID=60641568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720555925.1U Expired - Fee Related CN206764408U (en) | 2017-05-18 | 2017-05-18 | Spring self-tightening end face drives chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206764408U (en) |
-
2017
- 2017-05-18 CN CN201720555925.1U patent/CN206764408U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201792230U (en) | Fixture for draw bar | |
| CN105290831A (en) | Disc hole drilling clamp of inter-axle differential shell | |
| CN206732611U (en) | A kind of lathe positions auxiliary clamp | |
| CN205341976U (en) | A hole is from elastic fixture that feels relieved for long and thin part | |
| CN105643326A (en) | Adjustable and indexable quick positioning and clamping device for machining aviation shell part | |
| CN107309694A (en) | Self-tightening type end face drives chuck | |
| CN204892759U (en) | Pipe end flaring device | |
| CN203542129U (en) | Synchronous centering and clamping mechanism | |
| CN108188425B (en) | Lever-type automatic clamping chuck | |
| CN201189610Y (en) | Clamper for positioning and clamping abnormal form part on lathe | |
| CN102699728A (en) | Symmetrically-centering clamping device | |
| CN102699715B (en) | Clamping device | |
| CN110625201B (en) | Gear shaping fixture for shaft teeth | |
| CN115870779A (en) | Flexible tool for butterfly valve body | |
| CN113927334A (en) | Thin wall hub class part machining device | |
| CN206764408U (en) | Spring self-tightening end face drives chuck | |
| CN205465365U (en) | A but, quick positioning and clamping device of adjustable transposition for processing housing part for aviation | |
| CN104209860A (en) | Special flat floating fixture for precision honing machine | |
| CN203184775U (en) | Gear hob jig | |
| CN106312596B (en) | Unblocked type long roller jaw lathe center frame | |
| CN201565808U (en) | Fast clamping fixture of numerical control drilling machine | |
| CN207746771U (en) | Aluminum alloy die casting special fixture composite structure | |
| CN202964106U (en) | Tension fixture for machining plate-type workpieces | |
| CN211867148U (en) | Lathe fixture for machining eccentric hole | |
| CN113198962A (en) | Machine tool spindle forging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20190518 |