CN208322801U - A kind of liquid rises fixture - Google Patents
A kind of liquid rises fixture Download PDFInfo
- Publication number
- CN208322801U CN208322801U CN201820852684.1U CN201820852684U CN208322801U CN 208322801 U CN208322801 U CN 208322801U CN 201820852684 U CN201820852684 U CN 201820852684U CN 208322801 U CN208322801 U CN 208322801U
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- China
- Prior art keywords
- shaft part
- liquid
- fixture
- rises
- workpiece
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- 239000007788 liquid Substances 0.000 title claims abstract description 65
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 230000006837 decompression Effects 0.000 claims description 4
- 230000003252 repetitive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 11
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 14
- 125000004122 cyclic group Chemical group 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007514 turning Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a kind of liquid and rises fixture, comprising: the first shaft part, the second shaft part and support sleeve, the first shaft part are that liquid rises axis；Second shaft part is fixedly connected and is coaxially disposed with first shaft part, second shaft part is equipped with to rise the regulating valve block that the type chamber of axis is connected with the liquid, the regulating valve block is used to adjust the liquid and rises the diameter dimension of axis, and the diameter of second shaft part is greater than the diameter of first shaft part；Support sleeve is arranged with first shaft part and one end and the end face of second shaft part offset, so that the other end of the support sleeve forms the first positioning surface for being positioned to the workpiece being sleeved on first shaft part.First shaft part is gap-matched mode and workpiece cooperates, it is realized after the expansion of first shaft part and the axle center of workpiece is positioned and clamped, and then avoid scratching the inner hole of workpiece in traditional installation way, can be realized quickly, by being set with support sleeve, guarantee the installation accuracy of workpiece.
Description
Technical field
The utility model relates to a kind of axle construction, especially a kind of liquid rises fixture.
Background technique
Cyclic annular flexbile gear is key component in harmonic wave drive speed reducer, is a kind of thin-walled and outer circle annular gear wheel with teeth, tool
Flexible deformation and the high feature of machining accuracy.Inner hole after processing is completed, using rigid conical core shaft carry out outside circle processing and
Gear hobbing process.When processing such thin-wall part, the prior art is that rigid cone is respectively adopted in the processing of turning, grinding and tooth
Degree mandrel or gas rise mandrel
But it when being interference fitted using rigid conical core shaft, mandrel and inner hole of workpiece, suffers from the drawback that
1, due to that must use larger uniform external force that workpiece is pressed into mandrel, clamping when clamping workpiece using being interference fitted
Time can be more, is unfavorable for automated production, and due to being interference fit, flexbile gear inner hole is bound to cause in cargo handling process and is drawn
Wound, causes stress to concentrate, influences the fatigue life of workpiece.
2, since same batch work-piece inner hole is there are machining accuracy error, workpiece cannot achieve high-precision in conical core shaft
Axial resetting, i.e. part machining benchmark (the positioning zero point of numerical control program) are uncontrollable, can not be added automatically using numerically-controlled machine tool
Work.
Utility model content
In view of the above-mentioned problems in the prior art, the utility model provides a kind of can be avoided in workpiece
Hole cause abrasion, can Fast Installation workpiece, and can guarantee that the liquid for installing the installation accuracy of workpiece rises fixture.
Rise fixture to solve the above problems, the utility model provides a kind of liquid, comprising:
First shaft part rises axis for liquid；
Second shaft part is fixedly connected and is coaxially disposed with first shaft part, second shaft part be equipped with it is described
Liquid rises the regulating valve block that the type chamber of axis is connected, and the regulating valve block is used to adjust the liquid and rises the diameter dimension of axis, and described the
The diameter of two shaft parts is greater than the diameter of first shaft part；
Support sleeve is arranged with first shaft part and one end and the end face of second shaft part offsets, so that the branch
The other end of support set forms the first positioning surface for being positioned to the workpiece being sleeved on first shaft part.
The fixture preferably, liquid rises further include:
Third shaft part is extended outward to form by second shaft part far from the end face of first shaft part, and with it is described
Second shaft part is coaxial, and the diameter of the third shaft part is not more than second shaft part, and the periphery of the third shaft part forms the
Two positioning surfaces.
Preferably, first shaft part is formed with first positioning hole at the end face center far from second shaft part.
The fixture preferably, liquid rises further include:
4th shaft part is extended outward to form by the third shaft part far from the end face of first shaft part, and with it is described
Third shaft part is coaxial, and the diameter of the 4th shaft part is not more than the third shaft part, and the periphery of the 4th shaft part forms the
Three positioning surfaces.
Preferably, the 4th shaft part is formed with second location hole at the end face center far from first shaft part.
Preferably, end face and fourth shaft part of first shaft part far from second shaft part are far from described first
The flatness of the end face of shaft part is no more than 0.005mm.
Preferably, the liquid rises, the repetitive positioning accuracy of fixture is not more than 0.002mm.
It is formed with preferably, the outer circumference surface of the support sleeve is recessed inwardly in one end close to first positioning surface
Escape groove.
Preferably, the regulating valve block is specially an adjusting screw, can be realized pair by rotating the adjusting screw
The pressurization and decompression of first shaft part.
Compared with prior art, the utility model has the beneficial effects that: can be seen that this by above-mentioned technology contents
Liquid in Shen Qing rises by fixture when cooperating by the first shaft part (liquid rise axis) with workpiece, using clearance fit, then
By way of to the pressurization of the first shaft part the first shaft part is expanded, the axle center of workpiece is positioned and clamped to realize, into
And avoid scratching the inner hole of workpiece in traditional installation way, the case where causing stress to concentrate, influence the fatigue life of workpiece,
And it can be realized quick, safe clamping.Meanwhile on the first shaft part by way of being set with support sleeve, realize that workpiece exists
Axially mounted positioning on first shaft part, so that workpiece guarantees the installation of each workpiece when in installation to the first shaft part
Position precision so that can by by the liquid rise fixture realize automatic production line automated production.
Detailed description of the invention
Fig. 1 is that liquid rises the working principle diagram of axis；
Fig. 2 is that the liquid of the utility model rises the overall structure diagram of fixture.
Appended drawing reference:
1, the first shaft part；2, the second shaft part；3, third shaft part；4, the 4th shaft part；5, regulating valve block；6, the first positioning surface；
7, the second positioning surface；8, third positioning surface；9, first positioning hole；10, second location hole；11, escape groove.
Specific embodiment
It is with reference to the accompanying drawing and specific real to make those skilled in the art better understand the technical solution of the utility model
Mode is applied to elaborate to the utility model.
The various schemes and feature of the application are described herein with reference to attached drawing.
By the description of the preferred form with reference to the accompanying drawings to the embodiment for being given as non-limiting example, the application's
These and other characteristic will become apparent.
It is also understood that although the application is described referring to some specific examples, those skilled in the art
Member realizes many other equivalents of the application in which can determine, they have feature as claimed in claim and therefore all
In the protection scope defined by whereby.
When read in conjunction with the accompanying drawings, in view of following detailed description, above and other aspect, the feature and advantage of the application will become
It is more readily apparent.
The specific embodiment of the application is described hereinafter with reference to attached drawing；It will be appreciated, however, that applied embodiment is only
Various ways implementation can be used in the example of the application.Known and/or duplicate function and structure is simultaneously not described in detail with basis
True intention is distinguished in the operation of the history of user, and unnecessary or extra details is avoided to make the application smudgy.Cause
This, applied specific structural and functional details are not intended to restriction herein, but as just the base of claim
Plinth and representative basis are used to that those skilled in the art to be instructed diversely to use this Shen with substantially any appropriate detailed construction
Please.
This specification can be used phrase " in one embodiment ", " in another embodiment ", " in another embodiment
In " or " in other embodiments ", it can be referred to one or more of the identical or different embodiment according to the application.
The utility model provides a kind of liquid and rises fixture, as shown in Figure 2, comprising: first axle section 1, the second shaft part 2 and support
Set, the first shaft part 1 are that liquid rises axis；Second shaft part 2 is fixedly connected and is coaxially disposed with first shaft part 1, second shaft part 2
It is equipped with and rises the regulating valve block 5 that the type chamber of axis is connected with the liquid, the regulating valve block 5 rises the straight of axis for adjusting the liquid
Diameter size, the diameter of second shaft part 2 are greater than the diameter of first shaft part 1；Support sleeve be arranged with first shaft part 1 and
One end and the end face of second shaft part 2 offset, so that the other end of the support sleeve is formed for being sleeved on described the
The first positioning surface 6 that workpiece on one shaft part 1 is positioned.
By above-mentioned technology contents can be seen that this Shen it is clear in liquid rise by fixture by the first shaft part 1 (liquid rise axis)
When cooperation with workpiece, make the first shaft part 1 using clearance fit, then by way of to the pressurization of the first shaft part 1
Expansion is positioned and is clamped to the axle center of workpiece to realize, and then avoids drawing the inner hole of workpiece in traditional installation way
Wound, the case where causing stress to concentrate, influence the fatigue life of workpiece, and can be realized quick, safe clamping.Meanwhile
On one shaft part 1 by way of being set with support sleeve, axially mounted positioning of the workpiece on the first shaft part 1 is realized, so that processing
Part guarantees the installation site precision of each workpiece, so that the folder that can will rise by the liquid when in installation to the first shaft part 1
Tool realizes the automated production of automatic production line, realizes the mass production of numerical control processing.
Specifically, the liquid axis that rises is using static pressure expansion technique, and basic principle is as shown in Figure 1, clamp type chamber storage inside liquid
Medium is pressed, under pressing mechanism effect, interior media generates great pressure, according to pascal's principle, thin-walled expansion set inner surface
By uniform pressure, forces thin-walled expansion set to deform in 360 ° of circumferential even resilients that generate, realize the swelling to workpiece, while real
Existing workpiece positioning and transmitting torque.
In the present embodiment, as shown in Fig. 2, the liquid rises, fixture further includes third shaft part 3, third shaft part 3 its by described
Second shaft part 2 is extended outward to form far from the end face of first shaft part 1, and coaxial with second shaft part 2, the third axis
The diameter of section 3 is not more than second shaft part 2, and the periphery of the third shaft part 3 forms the second positioning surface 7.By workpiece
It being clamped by the first shaft part 1 after fixing, fixture that liquid can rise is installed by third shaft part 3 to corresponding process equipment,
Positioning of the process equipment to workpiece is determined by the periphery of third shaft part 3 to realize.
Further, in the present embodiment, as shown in Fig. 2, first shaft part 1 is at the end far from second shaft part 2
First positioning hole 9 is formed at the center of face, with further realize to be sleeved on liquid rise fixture the first shaft part 1 on workpiece
Carry out processing positioning.
It is cyclic annular flexbile gear with workpiece for convenient for understanding above scheme, and is risen fixture by using above-mentioned liquid
For carrying out turning process to flexbile gear, it is described in detail.
Cyclic annular flexbile gear is key component in harmonic wave drive speed reducer, is a kind of thin-walled and outer circle annular gear wheel with teeth, tool
Flexible deformation and the high feature of machining accuracy.
In process, by cyclic annular flexbile gear blank be sleeved on liquid rise fixture the first shaft part 1 on, pressurization make the first shaft part
1 expansion is clamped cyclic annular flexbile gear blank.And then the rise third shaft part 3 of fixture of liquid is carried out by the clamping part of numerically controlled lathe
Clamping, by the thimble of numerically controlled lathe withstand on liquid rise fixture the first shaft part 1 first positioning hole 9 in, realize and rise fixture to liquid
Positioning.Clamping position is carried out by using third shaft part 3 and first positioning hole 9, so that rising fixture pair by above-mentioned liquid
When cyclic annular flexbile gear carries out turnery processing, it can guarantee that the machining benchmark of the processing to multiple cyclic annular flexbile gears is identical, guarantee ring
The processing quality of shape flexbile gear and the production that can be realized automation, mass.
In the present embodiment, as shown in Fig. 2, the liquid rises, fixture further includes the 4th shaft part 4, and the 4th shaft part 4 is by described
Three shaft parts 3 are extended outward to form far from the end face of first shaft part 1, and coaxial with the third shaft part 3, the 4th shaft part
4 diameter is not more than the third shaft part 3, and the periphery of the 4th shaft part 4 forms third positioning surface 8, leads to by workpiece
Cross the 4th shaft part 4 be clamped it is fixed after, fixture that liquid can rise is installed by the 4th shaft part 4 to corresponding process equipment, in reality
Now determine process equipment to the positioning of workpiece simultaneously by the periphery of the 4th shaft part 4, additionally it is possible to which realization can rise by liquid fixture
Installation is to different process equipments, so that can directly be applicable in after workpiece is risen on fixture by being sleeved on above-mentioned liquid
It is gripped and is processed in different process equipments, reduce the tooling used when processing the workpiece of cyclic structure
Quantity, and avoid when the workpiece to cyclic structure is processed replace mandrel operation, improve the efficiency of processing.
Wherein, the 4th above-mentioned shaft part 4 is set, specifically, the 4th shaft part 4 can be matched with first positioning hole 9, and
Cooperate the first positioning surface 6 simultaneously, realize to be sleeved on liquid rise fixture the first shaft part 1 on workpiece (such as cyclic annular flexbile gear) into
Row gear hobbing operation.
Further, in the present embodiment, as shown in Fig. 2, the 4th shaft part 4 is at the end far from first shaft part 1
Second location hole 10 is formed at the center of face, with realize to be sleeved on liquid rise fixture the first shaft part 1 on workpiece add
Work positioning, and further increase the liquid and rise the quantity of fixture process equipment applicatory, so that workpiece is sleeved on this
After liquid rises on fixture, it can be directly mounted at different process equipments, to realize the processing of automation, it is raw to carry out batch
It produces.
Wherein, above-mentioned second location hole 10 is set, it specifically, can be by first positioning hole 9 and 10 phase of second location hole
Cooperation, while also needing the first positioning surface 6 of cooperation, realize to be sleeved on liquid rise fixture the first shaft part 1 on workpiece (such as ring
Shape flexbile gear) carry out peripheral milling operation.
In the present embodiment, as shown in Fig. 2, end face and described fourth of first shaft part 1 far from second shaft part 2
The flatness of end face of the shaft part 4 far from first shaft part 1 is no more than 0.005mm, further to guarantee to add workpiece
Work benchmark accuracy.
Further, in the present embodiment, the liquid rise fixture repetitive positioning accuracy no more than 0.002mm, to guarantee
To workpiece machining benchmark precision.
In the present embodiment, as shown in Fig. 2, the outer circumference surface of the support sleeve is close to the one of first positioning surface 6
End is recessed inwardly and is formed with escape groove 11, to avoid when carrying out processing operation to workpiece, rises the second of fixture to liquid
All sections cause to damage.
In addition, in the present embodiment, the regulating valve block 5 is specially an adjusting screw, passes through and rotate the adjusting screw
It can be realized the pressurization and decompression to first shaft part 1.After completing the above-mentioned processing operation to workpiece, rotation can be passed through
The mode of modulation section screw carries out decompression operation to the first shaft part 1, is that the diameter of the first shaft part 1 becomes smaller, will complete processing
Workpiece is removed.
Meanwhile passing through above-mentioned technology contents, it is known that, liquid provided by the present application rise fixture can be suitable for turning operation,
Peripheral milling operation and gear hobbing operation, that is, the mandrel of the mandrel of lathe, the mandrel of peripheral milling and gear hobbing is integrated together,
Reduce the quantity of the tooling used when processing the workpiece of cyclic structure, and avoids in the workpiece to cyclic structure
The operation that mandrel is replaced when being processed, improves the efficiency of processing.
Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new
The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new
In the protection scope of type.
Claims (9)
- The fixture 1. a kind of liquid rises characterized by comprisingFirst shaft part rises axis for liquid；Second shaft part is fixedly connected and is coaxially disposed with first shaft part, and second shaft part is equipped with to rise with the liquid The regulating valve block that the type chamber of axis is connected, the regulating valve block are used to adjust the liquid and rise the diameter dimension of axis, second axis The diameter of section is greater than the diameter of first shaft part；Support sleeve is arranged with first shaft part and one end and the end face of second shaft part offsets, so that the support sleeve Other end form the first positioning surface for being positioned to the workpiece being sleeved on first shaft part.
- The fixture 2. a kind of liquid according to claim 1 rises, which is characterized in that the liquid rises fixture further include:Third shaft part is extended outward to form by second shaft part far from the end face of first shaft part, and with described second Shaft part is coaxial, and the diameter of the third shaft part is not more than second shaft part, and it is fixed that the periphery of the third shaft part forms second Plane.
- The fixture 3. a kind of liquid according to claim 2 rises, which is characterized in that first shaft part is far from second axis First positioning hole is formed at the end face center of section.
- The fixture 4. a kind of liquid according to claim 3 rises, which is characterized in that the liquid rises fixture further include:4th shaft part is extended outward to form by the third shaft part far from the end face of first shaft part, and with the third Shaft part is coaxial, and the diameter of the 4th shaft part is not more than the third shaft part, and it is fixed that the periphery of the 4th shaft part forms third Plane.
- The fixture 5. a kind of liquid according to claim 4 rises, which is characterized in that the 4th shaft part is far from the first axle Second location hole is formed at the end face center of section.
- The fixture 6. a kind of liquid according to claim 5 rises, which is characterized in that first shaft part is far from second shaft part End face and the end face of the 4th shaft part far from first shaft part flatness no more than 0.005mm.
- The fixture 7. a kind of liquid according to claim 6 rises, which is characterized in that the liquid rise fixture repetitive positioning accuracy not Greater than 0.002mm.
- The fixture 8. a kind of liquid according to claim 1 rises, which is characterized in that the outer circumference surface of the support sleeve is close to institute The one end for stating the first positioning surface, which is recessed inwardly, is formed with escape groove.
- The fixture 9. a kind of liquid according to claim 1 rises, which is characterized in that the regulating valve block is specially an adjusting spiral shell Nail can be realized pressurization and decompression to first shaft part by rotating the adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820852684.1U CN208322801U (en) | 2018-06-01 | 2018-06-01 | A kind of liquid rises fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820852684.1U CN208322801U (en) | 2018-06-01 | 2018-06-01 | A kind of liquid rises fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208322801U true CN208322801U (en) | 2019-01-04 |
Family
ID=64772986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820852684.1U Expired - Fee Related CN208322801U (en) | 2018-06-01 | 2018-06-01 | A kind of liquid rises fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208322801U (en) |
-
2018
- 2018-06-01 CN CN201820852684.1U patent/CN208322801U/en not_active Expired - Fee Related
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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: 20190104 |