CN107309694A - Self-tightening type end face drives chuck - Google Patents
Self-tightening type end face drives chuck Download PDFInfo
- Publication number
- CN107309694A CN107309694A CN201710353263.4A CN201710353263A CN107309694A CN 107309694 A CN107309694 A CN 107309694A CN 201710353263 A CN201710353263 A CN 201710353263A CN 107309694 A CN107309694 A CN 107309694A
- Authority
- CN
- China
- Prior art keywords
- chuck
- balance plate
- self
- 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.)
- Pending
Links
- 238000005461 lubrication Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
Self-tightening type end face of the present invention 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, specifically related to a kind of self-tightening type end face driving chuck, including tailstock centre, top chuck, 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 is overlapped.Chuck of the present invention is top to be used to feel relieved, tailstock centre clamps workpiece and elapses forward to coordinate and ensure that workpiece two ends are concentric, the axiality of the precision component that secondary clamping is brought in traditional handicraft scheme can be effectively solved the problems, such as, its is simple in construction, without servicing unit, convenience easy to maintenance.
Description
Technical field
Expansion chuck is driven the present invention relates to one kind, is more particularly to filled without hydraulic station or pneumatic room for the driving of power source
Put；Processed for slewing parts high accuracy, the non-circular curve of high-axiality, complex appearance, and in particular to a kind of self-tightening type end
Face drives 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 and connects hydraulic means or pneumatic means by pull bar, for small-scale
Production needs to set up hydraulic station or pneumatic room, artificially causes certain financial burden；In addition, the process of longaxones parts
Generally have the part that gripper chuck holds be processing less than, it is necessary to secondary processing of turning around, therefore axiality is just had certain
Influence.Want to ensure that axiality is accomplished by master worker and carries out debugging calibration repeatedly, 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 present invention provides a kind of simple in construction, clamped one time completion cylindrical all thick, essence
Processing, it is effective to reduce because of the coaxiality deviation produced by u-turn processing, greatly improve processing efficiency and the qualification rate of product
Self-tightening type end face drives chuck.
Self-tightening type end face of the present invention drives chuck, including tailstock centre, chuck are top, guide holder, spring center seat and even
Connect disk, tailstock centre with chuck is top is oppositely arranged, the main shaft of a pilot hole, the terminal pad and lathe is provided with guide holder
End is fixedly linked, and the central axis that the central axis of tailstock centre is top with chuck is overlapped；
The chuck is top to be connected with a spring center through pilot hole, and the spring center is slidably arranged in spring center seat
It is interior, and one end is connected by elastic device and spring center seat elasticity, the other end from spring center towards chuck it is top one
Face is stretched out；
Around several top also uniform drive pins of chuck in the guide holder, and drive pin passes through adjusting means and spring center
Seat is connected, and the guide holder is fixedly linked with spring center seat with terminal pad；On guide holder between two neighboring drive pin
Region is fixedly installed stopping means, the stopping means stretch into guide holder and with chuck is top offsets, the stopping means
Central axis 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 fixedly linked through lubrication chamber, and two ends with being all connected with disk, and the balance plate is located at lubrication chamber
It is interior, and be rotatedly connected with tapered bar supporting pin；
Balance plate is set to two, and two balance plates are parallel to each other, and each balance plate towards drive pin one side with
Corresponding drive pin is movably connected；When there is a drive pin towards balance plate applying power, balance plate is around the center of tapered bar supporting pin
Axis is rotated；The central axis upright of plane and tapered bar supporting pin where the balance plate, and the central axis top with chuck
It is parallel；
The central axis of tapered bar supporting pin and the top central axis upright of chuck；
The tapered bar supporting pin center is provided with a through hole, and the chuck is top to be connected through the through hole with spring center；
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, this sideways with 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 set 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.
Chuck of the present invention is top to be used to feel relieved, and tailstock centre clamps workpiece and elapses forward to coordinate and ensure that workpiece two ends are same
The heart, circular shaft-type parts all process steps outside complexity can be completed by realizing clamped one time using the reaction force of elastic device, be broken through
It is circular pattern outside the clamping of power source chuck without hydraulic station or pneumatic room, not only stability is good the chuck, can effectively solves to pass
The axiality problem of precision component that secondary clamping is brought in system process program, and its is simple in construction, without servicing unit, maintenance
It is simple and convenient.
Drive top tight workpiece end face to be driven rotation with 4 points instead of claw clamping is cylindrical using spring reaction
Float function, automatic capturing workpiece end face is not that very smooth can also be consistent four stress even if workpiece end face.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
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
Self-tightening type end face of the present invention drives chuck, including tailstock centre 15, chuck top 13, guide holder 2, spring center seat
7 and terminal pad 6, tailstock centre 15 is oppositely arranged with chuck top 13, and a pilot hole, the terminal pad 6 are provided with guide holder 2
It is fixedly linked with the spindle end of lathe, the central axis of tailstock centre 15 is overlapped with the central axis of chuck top 13；The card
Disk top 13 is connected with a spring center 10 through pilot hole, and the spring center 10 is slidably arranged in spring center seat 7, and
One end is connected by elastic device with the elasticity of spring center seat 7, one side of the other end from spring center seat 7 towards chuck top 13
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 and bullet
Spring dead head 7 is connected, and the guide holder 2 is fixedly linked with spring center seat 7 with terminal pad 6；It is two neighboring on guide holder 2 to drive
Region between dynamic pin 4 is fixedly installed stopping means, the stopping means stretch into guide holder 2 and with top 13 phase of chuck
Support, the central axis of the stopping means is in the same plane.Adjusting means is tapered bar assembly, and the tapered bar assembly includes profit
Sliding chamber, tapered bar supporting pin 4 and balance plate 11, the tapered bar supporting pin 4 are consolidated through lubrication chamber, and two ends with being all connected with disk 6
Fixed to be connected, the balance plate 11 is located in lubricating cavity room, and is rotatedly connected with tapered bar supporting pin 4；
Balance plate 11 is set to two, and two balance plates 11 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 1；When there is a drive pin 1 towards balance plate applying power, balance plate is around tapered bar supporting pin 4
Center axis thereof；The central axis upright of the place plane of balance plate 11 and tapered bar supporting pin 4, and with chuck top 13
Centerline axis parallel；
The central axis of tapered bar supporting pin 4 and the central axis upright of chuck top 13；
The center of tapered bar supporting pin 4 is provided with a through hole, and the chuck top 13 passes through the through hole and the phase of spring center 10
Even；Inflow pipeline and 3 oil inlets are additionally provided with the lubrication chamber.The semicircular in shape of balance plate 11, including one side and
The periphery being attached thereto, this is movably connected with drive pin 1 sideways.The central axis of drive pin 1 with chuck top 13
Heart diameter parallel.Elastic device is Rectangular Section Spring 9, and one end and the spring center 10 of Rectangular Section Spring 9 offset, the other end
It is connected by spring stopper 8 with spring center seat, spring stopper 8 is bolt, and the bolt and spring center seat are logical
Screw thread is crossed to be connected.Drive pin 1 is set to four, wherein two neighboring drive pin 1 connects with the side activity of a balance plate 11,
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 is retreated, 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 is adjusted according to the end face flatness of workpiece 14, makes drive pin 1
Uniform force, reaches the end face of top tight workpiece 14, realizes that clamped one time completes cylindrical whole processing.
Claims (7)
1. a kind of self-tightening type end face drives chuck, including tailstock centre（15）, chuck it is top（13）, guide holder（2）, spring center
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 is overlapped；
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（4）Between region be fixedly installed stopping means, the stopping means stretches into guiding
Seat（2）And it is top with chuck（13）Offset, the central axis of the stopping means is in the same plane.
2. self-tightening type end face as claimed in claim 1 drives chuck, it is characterised in that the adjusting means is tapered bar assembly, institute
Stating tapered bar assembly includes lubrication chamber, tapered bar supporting pin（4）And balance plate（11）, the tapered bar supporting pin（4）Through lubricating cavity
Room, and two 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 set 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）Center is provided with a through hole, and 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. self-tightening type end face as claimed in claim 2 drives chuck, it is characterised in that the balance plate（11）Semicircular in shape, bag
The periphery for including one side and being attached thereto, the side and drive pin（1）It is movably connected.
4. self-tightening type end face as claimed in claim 3 drives chuck, it is characterised in that the drive pin（1）Central axis it is equal
It is top with chuck（13）Centerline axis parallel.
5. self-tightening type end face as claimed in claim 4 drives chuck, it is characterised in that the elastic device is Rectangular Section Spring
（9）.
6. self-tightening type end face as claimed in claim 5 drives chuck, it is characterised in that the drive pin（1）Four are set to, its
In two neighboring drive pin（1）With a balance plate（11）Side activity connect, two other drive pin（1）With another balance
Plate（11）Side activity connect.
7. self-tightening type 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 |
|---|---|---|---|
| CN201710353263.4A CN107309694A (en) | 2017-05-18 | 2017-05-18 | Self-tightening type end face drives chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353263.4A CN107309694A (en) | 2017-05-18 | 2017-05-18 | Self-tightening type end face drives chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107309694A true CN107309694A (en) | 2017-11-03 |
Family
ID=60182092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353263.4A Pending CN107309694A (en) | 2017-05-18 | 2017-05-18 | Self-tightening type end face drives chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107309694A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892468A (en) * | 2017-12-29 | 2018-04-10 | 山东华鹏玻璃股份有限公司 | A kind of glass draws the upper fixture alignment device of jimcrow |
| CN108044204A (en) * | 2017-12-07 | 2018-05-18 | 上海格尔汽车科技发展有限公司 | A kind of floating clamping mechanism driving device for gear hobbing |
| CN112975507A (en) * | 2021-05-06 | 2021-06-18 | 四川仨川航空机械设备有限公司 | Non-rotating workpiece clamping tool, undercarriage outer barrel clamping tool and clamping process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10339913A1 (en) * | 2003-08-29 | 2005-03-17 | Helmut Schuster | Chuck for securing workpiece in machine tool, especially central drive machine tool, has chuck segment actuator device located between segment sleeve bearings |
| CN200981123Y (en) * | 2006-11-29 | 2007-11-28 | 上海重型机床厂 | Hydraulic pressure strong centring friction drive chuck for lathe |
| CN202825269U (en) * | 2012-08-21 | 2013-03-27 | 大连机床(数控)股份有限公司 | Crank shaft axial automatic positioning apex device |
| CN203140793U (en) * | 2012-12-28 | 2013-08-21 | 大连瓦特重机床有限公司 | End-drive centre |
| CN203599934U (en) * | 2013-09-24 | 2014-05-21 | 刘宏利 | Floating type end face driving chuck |
| CN103962656A (en) * | 2014-04-23 | 2014-08-06 | 佛山市星光传动机械有限公司 | Non-backlash centering automatic compensation positioning device and method |
| CN204194824U (en) * | 2014-11-11 | 2015-03-11 | 四川工程职业技术学院 | A kind of end-driver center |
| CN205057102U (en) * | 2015-10-14 | 2016-03-02 | 金华大众齿轮有限公司 | Numerical control lathe's location clamping mechanism |
-
2017
- 2017-05-18 CN CN201710353263.4A patent/CN107309694A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10339913A1 (en) * | 2003-08-29 | 2005-03-17 | Helmut Schuster | Chuck for securing workpiece in machine tool, especially central drive machine tool, has chuck segment actuator device located between segment sleeve bearings |
| CN200981123Y (en) * | 2006-11-29 | 2007-11-28 | 上海重型机床厂 | Hydraulic pressure strong centring friction drive chuck for lathe |
| CN202825269U (en) * | 2012-08-21 | 2013-03-27 | 大连机床(数控)股份有限公司 | Crank shaft axial automatic positioning apex device |
| CN203140793U (en) * | 2012-12-28 | 2013-08-21 | 大连瓦特重机床有限公司 | End-drive centre |
| CN203599934U (en) * | 2013-09-24 | 2014-05-21 | 刘宏利 | Floating type end face driving chuck |
| CN103962656A (en) * | 2014-04-23 | 2014-08-06 | 佛山市星光传动机械有限公司 | Non-backlash centering automatic compensation positioning device and method |
| CN204194824U (en) * | 2014-11-11 | 2015-03-11 | 四川工程职业技术学院 | A kind of end-driver center |
| CN205057102U (en) * | 2015-10-14 | 2016-03-02 | 金华大众齿轮有限公司 | Numerical control lathe's location clamping mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044204A (en) * | 2017-12-07 | 2018-05-18 | 上海格尔汽车科技发展有限公司 | A kind of floating clamping mechanism driving device for gear hobbing |
| CN107892468A (en) * | 2017-12-29 | 2018-04-10 | 山东华鹏玻璃股份有限公司 | A kind of glass draws the upper fixture alignment device of jimcrow |
| CN112975507A (en) * | 2021-05-06 | 2021-06-18 | 四川仨川航空机械设备有限公司 | Non-rotating workpiece clamping tool, undercarriage outer barrel clamping tool and clamping process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |
|
| RJ01 | Rejection of invention patent application after publication |