CN108637288A - Self-centering driving tooling - Google Patents
Self-centering driving tooling Download PDFInfo
- Publication number
- CN108637288A CN108637288A CN201810481829.6A CN201810481829A CN108637288A CN 108637288 A CN108637288 A CN 108637288A CN 201810481829 A CN201810481829 A CN 201810481829A CN 108637288 A CN108637288 A CN 108637288A
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- Prior art keywords
- workpiece
- driving
- face
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- mounting groove
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B33/00—Drivers; Driving centres, Nose clutches, e.g. lathe dogs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
This application discloses a kind of self-centering driving toolings, including：There is mounting groove, the other end to have through hole for pedestal sleeve, one end；End face locating piece is fixed on pedestal sleeve, and positioned at side where through hole；It is top, it is slidably mounted on through hole；Elastic component is mounted in mounting groove, top with the trend moved to separate mounting groove side for making with top cooperation.The self-centering driving tooling of the application by elastic component make it is top can be with axial floating, when use, the centre bore of top elder generation and workpiece coordinates, workpiece being capable of centralized positioning by top effect, then workpiece squeezes top, the top elastic force slid inward for overcoming elastic component, the end face of final workpiece and the end face of end face locating piece against, just auxiliary end face locating piece top in this way realizes end face positioning, when later stage carries out chamfering to workpiece, it can ensure that reliable precision, the entire stress of workpiece are also preferable, the consistency of chamfering is good, and cutter is not easy to damage.
Description
Technical field
The present invention relates to tooling fields, and in particular to a kind of self-centering driving tooling.
Background technology
Rocker arm shaft is one of automobile steering device core part, the center hole size shadow of the processing of chamfering by end face of rocker arm shaft
Sound is very big, and different centre bores causes chamfering angle size different, and cutter is easy to damage.
Invention content
The present invention is in view of the above-mentioned problems, overcome deficiency, it is proposed that a kind of self-centering driving tooling.
The technical solution adopted by the present invention is as follows：
A kind of self-centering driving tooling, including：
There is mounting groove, the other end there is through hole, mounting groove to be connected to the through hole for pedestal sleeve, one end；
End face locating piece is fixed on pedestal sleeve, and positioned at side where through hole；
It is top, it is slidably mounted on the through hole, top tip passes through the end face locating piece；
Elastic component is mounted in the mounting groove, top with to far from mounting groove side fortune for making with top cooperation
Dynamic trend.
The self-centering driving tooling of the application by elastic component make it is top can with axial floating, in use, top elder generation with
The centre bore of workpiece coordinates, and workpiece being capable of reliable centralized positioning (setting floating centre release workpiece centre by top effect
The problem of hole workpiece axial direction position error of different sizes brought), then workpiece squeezes top, the top elasticity for overcoming elastic component
Power slid inward, the end face of final workpiece is with the end face of end face locating piece against just auxiliary end face locating piece top in this way is realized
End face positioning can ensure reliable precision, the entire stress of workpiece is also preferable, when the later stage carries out chamfering to workpiece
The consistency at angle is good, and cutter is not easy to damage.
Workpiece described herein is shaft like parts, such as rocker arm shaft etc..
In a wherein embodiment of the invention, side end face where pedestal sleeve through hole has threaded hole, the end face fixed
Position block has the positioning region coordinated with locating slot, the positioning region and threaded hole screw-thread fit.
Further include adjusting block in a wherein embodiment of the invention, the lateral wall of the adjusting block has external screw thread, described
There is internal thread, adjusting block are screwed onto in mounting groove in mounting groove；The top component positioned at mounting groove has step, described
Elastic component is spring, is sleeved on top outside elastic component, and one end of elastic component and adjusting block are against the other end is supported with the step
It leans on.
Further include limited block in a wherein embodiment of the invention, the adjusting block is hollow structure, and top one end is worn
It is connect with the limited block after toning locking nub, the limited block limits elastic component and push away for being contacted with pedestal sleeve end face
Move the top maximum distance for being pierced by end face locating piece.
In a wherein embodiment of the invention, the axis of mounting groove is overlapped with the axis of the through hole.
It is to be processed by the way that the outer circle of rocker arm shaft is clamped, this can cause the machined outer circle of rocker arm shaft in traditional processing
Crush.In a wherein embodiment of the invention, self-centering driving tooling further includes and the fixed drive sleeve of pedestal sleeve, institute
Drive sleeve is stated with outer shaft sleeve on the locating piece of end face, has on the madial wall of the drive sleeve and coordinates with workpiece lateral wall
Driving structure, driving structure is for making drive sleeve be relatively fixed in a circumferential direction with workpiece.
By driving structure and work pieces mate, driving structure is for keeping drive sleeve relatively solid in a circumferential direction with workpiece
Fixed, drive sleeve rotation can drive workpiece to rotate synchronously, and when actual processing, collet (such as three chucking chuck) only needs to clamp
Drive sleeve does not need clamping workpiece itself, so the problem of being crushed there is no workpieces processing.
The application " same to outer shaft sleeve " refers to that the axis of drive sleeve is overlapped with the axis of end face locating piece, and drive sleeve
It is sleeved on the locating piece of end face outside.
In a wherein embodiment of the invention, the driving structure is driving spline.
There is the lateral wall of workpiece external splines, the spline of the two so mutually to agree with to form spline coupling pair when practice,
To which drive sleeve can drive workpiece to rotate.
In a wherein embodiment of the invention, the driving spline has chamfering or rounding far from top one end.
It drives spline that there is chamfering or rounding far from top one end, designs enable the tooling and machine of the application in this way
Tool hand coordinates, and is different from that the external splines slot of workpiece can manually be corresponded to the tooth dress for driving spline in drive sleeve in feeding
Folder, it is easy to appear workpiece when being inserted into tooling that the external splines of workpiece and the driving spline of drive sleeve are done for manipulator feeding
(i.e. spline tooth is to tooth) is related to, by the way that chamfering or rounding is arranged, during manipulator clamping workpiece is inserted into drive sleeve, driving
The peripheral force that the driving splined end of sleeve is given (at rounding or chamfering) by the external splines of workpiece so that tooling rotation is with suitable
The external splines for answering workpiece reaches self-centering purpose.
In a wherein embodiment of the invention, the driving spline has at least three groups, and each group drives spline around actuating sleeve
The axis of cylinder is uniformly distributed, and every group of driving spline includes at least two driving splines disposed in parallel.
The beneficial effects of the invention are as follows：The self-centering driving tooling of the application top can axially to float by elastic component
It is dynamic, in use, the centre bore of top elder generation and workpiece coordinates, workpiece by top effect can centralized positioning, then workpiece squeeze
Top, the top elastic force slid inward for overcoming elastic component, the end face of final workpiece is with the end face of end face locating piece against in this way
Top just auxiliary end face locating piece realizes end face positioning can ensure reliable essence when the later stage carries out chamfering to workpiece
Degree, the entire stress of workpiece is also preferable, and the consistency of chamfering is good, and cutter is not easy to damage.
Description of the drawings：
Fig. 1 is the sectional view of the self-centering driving tooling of the present invention；
Fig. 2 is the schematic diagram of the self-centering driving tooling and workpiece one end fits of the present invention；
Fig. 3 is the schematic diagram of the self-centering driving tooling of the present invention.
Each reference numeral is in figure：
1, pedestal sleeve；2, top；3, end face locating piece；4, drive sleeve；5, adjusting block；6, limited block；7, mounting groove；
8, elastic component；9, through hole；10, step；11, threaded hole；12, positioning region；13, tip；14, spline is driven；15, chamfering；16、
Workpiece.
Specific implementation mode：
With reference to each attached drawing, the present invention is described in detail.
As shown in Figure 1,2 and 3, a kind of self-centering driving tooling, including：
There is mounting groove 7, the other end there is through hole 9, mounting groove 7 to be connected to through hole 9 for pedestal sleeve 1, one end；
End face locating piece 3 is fixed on pedestal sleeve 1, and is located at 9 place side of through hole；
Top 2, it is slidably mounted on through hole 9, top 2 tip 13 passes through end face locating piece 3；
Elastic component 8 is mounted in mounting groove 7, is coordinated with top 2, for making top 2 to have to far from 7 side of mounting groove
The trend of movement.
The self-centering driving tooling of the application is by elastic component 8 so that top 2 can be with axial floating, in use, top 2 is first
Coordinate with the centre bore of workpiece 16, workpiece 16 being capable of reliable centralized positioning (the setting release of floating centre 2 by top 2 effect
The problem of 16 axially position error of workpiece that 16 center hole size different band of workpiece is come), then workpiece 16 squeezes top 2, top 2
Overcome the elastic force slid inward of elastic component 8, the end face of final workpiece 16 and the end face of end face locating piece 3 against top in this way 2
Reliable essence can be ensured when the later stage carries out chamfering 15 to workpiece 16 by realizing end face positioning with regard to auxiliary end face locating piece 3
Degree, 16 entire stress of workpiece is also preferable, and the consistency of chamfering 15 is good, and cutter is not easy to damage.
The workpiece 16 of the application is shaft like parts, such as rocker arm shaft etc..
As shown in Figure 1, in this present embodiment, 1 through hole of pedestal sleeve, 9 place side end face has threaded hole 11, and end face is fixed
Position block 3 has the positioning region 12 coordinated with locating slot, positioning region 12 and 11 screw-thread fit of threaded hole.
As shown in figs. 1 and 3, in this present embodiment, further include adjusting block 5, the lateral wall of adjusting block 5 is with external screw thread, peace
There is internal thread, adjusting block 5 are screwed onto in tankage 7 in mounting groove 7；Top 2 components for being located at mounting groove 7 have step 10, bullet
Property part 8 be spring, be sleeved on top 2 outside elastic component 8, one end of elastic component 8 is with adjusting block 5 against the other end is supported with step 10
It leans on.
As shown in figs. 1 and 3, in this present embodiment, further include limited block 6, adjusting block 5 is hollow structure, top 2 one end
It is connect with limited block 6 after adjusting block 5, limited block 6 limits elastic component 8 and push for being contacted with 1 end face of pedestal sleeve
Top 2 are pierced by the maximum distance of end face locating piece 3.
In this present embodiment, the axis of mounting groove 7 is overlapped with the axis of through hole 9.
As shown in figs. 1 and 3, it is to be processed by the way that the outer circle of rocker arm shaft is clamped, this can cause rocking arm in traditional processing
The machined outer circle of axis crushes.In this present embodiment, self-centering driving tooling further includes and 1 fixed drive sleeve of pedestal sleeve
4, drive sleeve 4, which has with outer shaft sleeve on end face locating piece 3, on the madial wall of drive sleeve 4, to be coordinated with workpiece lateral wall
Driving structure, driving structure is for making drive sleeve 4 be relatively fixed in a circumferential direction with workpiece.
By driving structure and work pieces mate, driving structure is for keeping drive sleeve 4 and workpiece opposite in a circumferential direction
Fixed, the rotation of drive sleeve 4 can drive workpiece to rotate synchronously, and when actual processing, collet (such as three chucking chuck) only needs to press from both sides
Drive sleeve 4 is handled, clamping workpiece itself is not needed, so the problem of being crushed there is no workpieces processing.
The application " same to outer shaft sleeve " refers to that the axis of drive sleeve 4 is overlapped with the axis of end face locating piece 3, and actuating sleeve
It is sleeved on end face locating piece 3 outside cylinder 4.
In this present embodiment, driving structure is driving spline 14.The lateral wall of workpiece has external splines when practice, this
The spline of both samples mutually agrees with to form spline coupling pair, to which drive sleeve 4 can drive workpiece to rotate.
In this present embodiment, driving spline 14 has chamfering 15 (can also be rounding) far from top 2 one end.Driving flower
Key 14 far from top 2 one end there is chamfering 15 or rounding, in this way design the tooling of the application is coordinated with manipulator,
Different from the external splines slot of workpiece can manually be corresponded to the tooth clamping of driving spline 14 in drive sleeve 4, machinery in feeding
Expecting that it is easy to appear workpiece on hand when being inserted into tooling, the external splines of workpiece is interfered with the driving spline 14 of drive sleeve 4
(i.e. spline tooth is to tooth) during manipulator clamping workpiece is inserted into drive sleeve 4, is driven by the way that chamfering 15 or rounding is arranged
The peripheral force that 14 end of driving spline of moving sleeve 4 is given (at rounding or chamfering 15) by the external splines of workpiece so that tooling
Rotation reaches self-centering purpose to adapt to the external splines of workpiece.
In this present embodiment, driving spline 14 has at least three groups, and each group drives spline 14 equal around the axis of drive sleeve 4
Even distribution, every group of driving spline 14 include at least two driving splines 14 disposed in parallel.
In the present embodiment, when no clamping workpiece, top 2 stretch out the distance of end face locating piece 3 by the limit of top 2 tail portion
Block 6 determines that top 2 floating is then realized by spring and adjusting block 5.Drive sleeve 4 is inevitably hit during work, institute
Conditioned processing is needed with drive sleeve 4, the service life of tooling can be extended.
When coordinating with lathe, by the outer circle shelves of the scroll chuck grip base sleeve 1 of the tooling lathe assembled, in machine
When tool hand clamping workpiece feeding, top 2 first contact workpiece centre bores feel relieved workpiece, and spring stress compression, top 2 retreat, end
Face locating piece 3 reaches end face close to workpiece end face and positions；When workpiece external splines touches the driving spline 14 of drive sleeve 4,
Due to 14 Leading end chamfer 15 of driving spline of drive sleeve 4, the process of drive sleeve 4 is inserted into manipulator clamping workpiece
The peripheral force given by workpiece spline at the spline chamfer 15 of middle drive sleeve 4 so that tooling rotation adapts to the outer flower of workpiece
Key forms spline coupling.This set end face of rocker arm shaft is positioned self-centering driving tooling and is ensured on the basis of end face using floating centre 2
While when expecting on a robotic arm tooling driving spline 14 can self-centering centering workpiece spline, solve previous clamping outer circle
And the outer circle that positioning belt on the basis of teeth portion end face comes crushes, ensure chamfering work piece 15 consistency and automation line can
Row and reliability.
The foregoing is merely the preferred embodiment of the present invention, not thereby limit the scope of patent protection of the present invention, all
It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content
Field includes similarly within the scope of the present invention.
Claims (9)
1. a kind of self-centering driving tooling, which is characterized in that including：
There is mounting groove, the other end there is through hole, mounting groove to be connected to the through hole for pedestal sleeve, one end；
End face locating piece is fixed on pedestal sleeve, and positioned at side where through hole；
It is top, it is slidably mounted on the through hole, top tip passes through the end face locating piece；
Elastic component is mounted in the mounting groove, and top cooperation, for making top to have to moving far from mounting groove side
Trend.
2. self-centering driving tooling as described in claim 1, which is characterized in that side end face where pedestal sleeve through hole has
Threaded hole, the end face locating piece have the positioning region coordinated with locating slot, the positioning region and threaded hole screw-thread fit.
3. self-centering driving tooling as described in claim 1, which is characterized in that further include adjusting block, outside the adjusting block
Side wall has external screw thread, in the mounting groove there is internal thread, adjusting block to be screwed onto in mounting groove；It is described top positioned at mounting groove
Component to have step, the elastic component be spring, be sleeved on top outside elastic component, one end of elastic component and adjusting block against,
The other end and the step against.
4. self-centering driving tooling as claimed in claim 3, which is characterized in that further include limited block, during the adjusting block is
Hollow structure, top one end are connect after passing through adjusting block with the limited block, and the limited block with pedestal sleeve end face for supporting
Cooperation is connect, the top maximum distance for being pierced by end face locating piece of resilient element urges is limited.
5. self-centering driving tooling as described in claim 1, which is characterized in that the axis of the axis of mounting groove and the through hole
Line overlaps.
6. self-centering driving tooling as described in claim 1, which is characterized in that further include and the fixed actuating sleeve of pedestal sleeve
Cylinder, the drive sleeve on the locating piece of end face, have and workpiece lateral wall with outer shaft sleeve on the madial wall of the drive sleeve
The driving structure of cooperation, driving structure is for making drive sleeve be relatively fixed in a circumferential direction with workpiece.
7. self-centering driving tooling as claimed in claim 6, which is characterized in that the driving structure is driving spline.
8. self-centering driving tooling as claimed in claim 7, which is characterized in that the driving spline has far from top one end
There are chamfering or rounding.
9. self-centering driving tooling as claimed in claim 8, which is characterized in that the driving spline has at least three groups, respectively
Group driving spline is uniformly distributed around the axis of drive sleeve, and every group of driving spline includes at least two driving flowers disposed in parallel
Key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481829.6A CN108637288A (en) | 2018-05-18 | 2018-05-18 | Self-centering driving tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481829.6A CN108637288A (en) | 2018-05-18 | 2018-05-18 | Self-centering driving tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108637288A true CN108637288A (en) | 2018-10-12 |
Family
ID=63757100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810481829.6A Pending CN108637288A (en) | 2018-05-18 | 2018-05-18 | Self-centering driving tooling |
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| EP2444183B1 (en) * | 2010-10-22 | 2016-09-28 | Röhm GmbH | Front end actuator |
| CN106077722A (en) * | 2016-08-03 | 2016-11-09 | 长葛市世军机械加工厂 | Machining thimble |
| CN206009861U (en) * | 2016-08-29 | 2017-03-15 | 万向钱潮传动轴有限公司 | Automatically drive top |
| CN206981788U (en) * | 2017-07-21 | 2018-02-09 | 洛阳豫甲汽车零部件有限公司 | A kind of semiaxis part processing driving is top |
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2018
- 2018-05-18 CN CN201810481829.6A patent/CN108637288A/en active Pending
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| CN88210824U (en) * | 1988-02-11 | 1988-11-02 | 刘其汉 | Brute force putting centre |
| CN2133389Y (en) * | 1992-06-20 | 1993-05-19 | 钟康民 | Combined end face toggle centre |
| CN2925702Y (en) * | 2006-05-20 | 2007-07-25 | 湖北三环离合器有限公司 | Flexible elastic tip |
| CN200981115Y (en) * | 2006-12-05 | 2007-11-28 | 许晓华 | Non-stopping cramping apparatus |
| CN201389642Y (en) * | 2009-03-27 | 2010-01-27 | 苏州市职业大学 | Fixture for camshaft turning |
| CN201399589Y (en) * | 2009-05-13 | 2010-02-10 | 苏州大学 | End tooth transmission centre device |
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| EP2444183B1 (en) * | 2010-10-22 | 2016-09-28 | Röhm GmbH | Front end actuator |
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| CN204221024U (en) * | 2014-07-22 | 2015-03-25 | 大连汇隆科本活塞技术发展有限公司 | A kind of Piston Machining location structure |
| CN105522175A (en) * | 2014-09-28 | 2016-04-27 | 赖婷婷 | Self-adaptive spring center |
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Application publication date: 20181012 |