CN208543254U - Positioning mechanism - Google Patents
Positioning mechanism Download PDFInfo
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- CN208543254U CN208543254U CN201821175177.5U CN201821175177U CN208543254U CN 208543254 U CN208543254 U CN 208543254U CN 201821175177 U CN201821175177 U CN 201821175177U CN 208543254 U CN208543254 U CN 208543254U
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- positioning mechanism
- convex platform
- annular convex
- mechanism according
- workbench
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- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 10
- 238000003754 machining Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a positioning mechanism. The positioning mechanism comprises a supporting part, wherein the supporting part is arranged on a rotatable workbench of a machine tool, the supporting part is provided with a supporting surface, the supporting surface is used for installing a cutter head, a positioning hole is formed in the supporting part, and the supporting part and the workbench can be calibrated through the center of the positioning hole and the rotation center of the workbench. The cutter head is arranged on the supporting surface of the supporting part, the positioning hole is formed in the supporting part, the positioning hole and the rotating center of the workbench are coincided and calibrated, the rotating precision of the cutter head is optimized, and the size precision of the machined cutter head is improved.
Description
Technical field
The utility model relates to machine tooling technical fields, in particular to a kind of positioning mechanism.
Background technique
Cutterhead is an important spare part of numerically controlled lathe, plays clamping cutter in Working motion in lathe, and undertake
Cutter transposition and clamping cutter carry out cutting operation effect.For guarantee cutterhead resetting function, to cutter head structure
Shape, position precision and dimensional accuracy have high requirement, and tolerance is within 0.01mm.At present in the processing of numerical control cutterhead
In, mainly cutterhead is fixed using scroll chuck, scroll chuck is suitable for clamping disk base part, and the method is to utilize three
One round principle of point location, fixes clamping cutterhead with three-jaw and is processed, and still, scroll chuck is difficult to realize the phase with cutterhead
Positioning to position, need to carry out every time point in determine coordinate, and determine machining benchmark, cannot achieve cutterhead batch raw
The quick positioning produced, and the precision of the design size of numerical control cutterhead, in 0.01mm, existing tooling is unable to satisfy precision and wants
It asks.
Utility model content
The main purpose of the utility model is to provide a kind of positioning mechanisms, to solve the cutterhead ruler processed in the prior art
The low problem of very little precision.
To achieve the goals above, one aspect according to the present utility model provides a kind of positioning mechanism, comprising: branch
Support part, support portion are installed on the rotatable workbench of lathe, and support portion has supporting surface, and supporting surface is used to install cutterhead,
Location hole is offered on support portion, it can be by the rotation center of the center of location hole and workbench by support portion and workbench school
It is quasi-.
Further, support portion includes: annular convex platform, has supporting surface on the end face of annular convex platform, in annular convex platform
Portion offers location hole.
Further, annular convex platform includes: support ontology；The first end of protrusion, protrusion is connected with support ontology,
The end face of the second end of protrusion forms supporting surface.
Further, protrusion is multiple, and multiple protrusions are arranged at intervals around the geometric center of support ontology, more
The supporting surface of a protrusion is located in approximately the same plane.
Further, protrusion is three.
Further, location structure is offered on support portion, location structure is the through-hole being opened on support ontology, and/
Or, location structure is to be set to positioning column on support ontology.
Further, connecting hole is offered on annular convex platform, connecting hole penetrates through protrusion and support ontology setting.
Further, positioning mechanism further include: the first end of connector, connector is connected with annular convex platform, connector
Second end be connected with workbench, formed between the surface of the close workbench side of the outer peripheral surface and annular convex platform of connector
Annular allows bit space.
Further, the floor projection of connecting hole is located at annular and allows in bit space.
Further, flat position is offered on annular convex platform to form datum level, datum level is used for school parallel with the X-axis of lathe
It is quasi-.
Further, positioning mechanism further include: the second end of pedestal, connector is fixed on the worktable by pedestal, base
Seat is oppositely disposed with annular convex platform.
Using the technical solution of the utility model, by installing cutterhead on the supporting surface of support portion, and on support portion
Location hole is offered, by realizing that the running accuracy of cutterhead is optimized for the rotation center coincidence correction of location hole and workbench,
Improve the dimensional accuracy of the cutterhead of processing.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the first viewing angle constructions schematic diagram of the embodiment of positioning mechanism according to the present utility model；
Fig. 2 shows the second viewing angle constructions schematic diagrames of the embodiment of positioning mechanism according to the present utility model；
Fig. 3 shows the third viewing angle constructions schematic diagram of the embodiment of positioning mechanism according to the present utility model.
Wherein, the above drawings include the following reference numerals:
10, support portion；11, annular convex platform；111, ontology is supported；112, protrusion；113, supporting surface；114, connecting hole；
115, flat position；116, datum level；12, location hole；13, through-hole；14, connector；
20, pedestal.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Term be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 1 to Fig. 3, embodiment according to the present utility model provides a kind of positioning mechanism.
Specifically, as shown in Figure 1, the positioning mechanism includes support portion 10, support portion 10 is installed on the rotatable of lathe
On workbench, support portion 10 has supporting surface 113, and supporting surface 113 offers location hole on support portion 10 for installing cutterhead
12, support portion 10 and workbench can be calibrated by the center of location hole 12 and the rotation center of workbench.
In the present embodiment, by installing cutterhead on the supporting surface of support portion, and location hole is offered on support portion,
By realizing the rotation center coincidence correction of location hole and workbench that the running accuracy of cutterhead optimizes, improving processing
The dimensional accuracy of cutterhead.
In the present embodiment, support portion 10 includes annular convex platform 11, has supporting surface 113 on the end face of annular convex platform 11,
The middle part of annular convex platform 11 offers location hole 12.Annular convex platform can be preferably in mating connection with the outer profile of cutterhead, and
It is real by by the rotation center coincidence correction of location hole and workbench by the way that location hole 12 is arranged at the middle part of annular convex platform 11
The running accuracy of existing cutterhead optimizes, and improves the dimensional accuracy of the cutterhead of processing.
In the present embodiment, annular convex platform 11 includes support ontology 111 and protrusion 112, the first end of protrusion 112 with
Support ontology 111 is connected, and the end face of the second end of protrusion 112 forms supporting surface 113.It is arranged on support ontology 111 convex
Portion 112 out are connected by the supporting surface 113 of protrusion 112 with cutterhead, and the flatness tolerance of supporting surface 113 is 0.01mm,
The dimensional accuracy for improving the cutterhead of processing is set in this way.
As shown in Fig. 2, protrusion 112 be it is multiple, multiple protrusions 112 around support ontology 111 geometric center it is alternate
It is arranged every ground, the supporting surface 113 of multiple protrusions 112 is located in approximately the same plane.One is determined jointly by multiple protrusions 112
A plane realizes the accurate installation and processing of cutterhead and positioning mechanism.
Further, protrusion 112 is three.Using the principle of one plane of three-point fix, pass through three protrusions 112
A plane is determined jointly, realizes the accurate installation and processing of cutterhead and positioning mechanism.
In the present embodiment, location structure is offered on support portion 10, location structure is to be opened on support ontology 111
Through-hole 13 or location structure are to be set to positioning column on support ontology 111.Certainly, through-hole or positioning column can be set to branch simultaneously
It supports on ontology, positioning column can be pin.It is matched by the location structure in support sector with the location structure on cutterhead, with fast
Speed completes the Fast Installation of cutterhead and positioning mechanism, supports the location structure at least two on ontology 111, utilizes two-point locating
The principle of straight line realizes that the quick positioning and clamping of cutterhead in positioning mechanism, and meets requirement on machining accuracy.Wherein, it positions
Column can be wholely set with support ontology.
As shown in Fig. 2, offering connecting hole 114 on annular convex platform 11, connecting hole 114 penetrates through protrusion 112 and support originally
Body 111 is arranged.Connecting hole is passed through using bolt and is installed on cutterhead, realizes the Fast Installation of cutterhead and positioning mechanism.
As shown in Fig. 2, positioning mechanism further includes connector 14, the first end of connector 14 is connected with annular convex platform 11,
The second end of connector 14 is connected with workbench, the close workbench side of the outer peripheral surface and annular convex platform 11 of connector 14
Annular is formed between surface allows bit space.Also, the floor projection of connecting hole 114, which is located at annular, to be allowed in bit space.Pass through setting
Annular allows bit space, and the floor projection of connecting hole 114 is located at annular and is allowed in bit space, in this way setting convenient for by bolt in ring
Shape allows bit space is interior to be mounted on cutterhead by connecting hole 114, to realize the Fast Installation of cutterhead and positioning mechanism.
As shown in figure 3, offering flat position 115 on annular convex platform 11 to form datum level 116, datum level 116 is used for and machine
The X-axis collimation of bed.By the flat position on leveling frock, so that flat position is parallel with the X-axis of lathe, to ensure the rotation of lathe
Precision, and reduce the error due to caused by machine tool error.
Further, positioning mechanism further includes pedestal 20, and the second end of connector 14 is fixed on workbench by pedestal 20
On, pedestal 20 is oppositely disposed with annular convex platform 11.Rapidly cutterhead can be installed on positioning mechanism by pedestal.
Determine that a plane and two-point locating hole 12 determine straight line using 3 protrusions 112 by the positioning mechanism
Principle, realize the quick positioning and clamping of cutterhead, and be satisfied with requirement on machining accuracy.Before the positioning mechanism is not used, every clamping
Once, it needs to smooth the part in machine and determines machining coordinate, the spent time about 30 minutes, using the positioning mechanism, only need
For the first time smoothing positioning mechanism simultaneously determine coordinate, behind all put up lock screw can start to process, the spent time about 10
Minute, lathe stand-by time is reduced, the mobility of lathe is increased, allows lathe to generate more useful values, reduces processing cost,
The labor intensity of device operator is reduced simultaneously.
As shown in Figure 1, first assembly positioning device, by the assembly relation of Fig. 1, first annular convex platform 11, connector 14 and base
Seat 20 is fitted together by way of welding or screw fastening, is must assure that on the annular convex platform 11 of tooling after being completed
Three, the protrusion 112 in face, upper surface as shown in Figure 2 is in a same plane, the supporting surface 113 of three protrusions 112
Upper surface be used to and to control with the depth of parallelism of the lower surface of pedestal 20 in 0.01mm with cutterhead contact, positioning, limitation
It is interior.
In the present embodiment, with the location hole 12 at the center of positioning mechanism carry out point in touch number be zero, and withIt is convex
The supporting surface 113 in portion 112 determines that touching number is zero out, determines that the machining coordinate benchmark of part, this machining coordinate can be used in advance
Subsequent batch machining.
In the present embodiment, on the upper surface for the technical face of cutterhead being placed annular convex platform 11, the technique pin hole of cutterhead
Carry out positioning limitation with the pin on annular convex platform 11, and out of annular stop space, the lower surface of annular convex platform 11 locks tightly
Gu screw, with torque spanner pre-add coupling mechanism force, it is ensured that each uniform force prevents from deforming.Starting processing NC program, processes
It at rear direct dismounting fastening screw, then puts on another cutterhead on positioning mechanism, repeats this steps flow chart, reach quick
The production of batch.
Since cutterhead feature needs overall processing, horizontal machine tool due to limitation, cannot whole features disposably process
At, need multi-process cooperation process, at this time need to use vertical machine and be processed, equally also can use the positioning mechanism
It is fixed on platen, and the quick-clamping positioning process of each process may be implemented after determining machining coordinate.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary
Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that is advocated is knot when describing a specific features, structure or feature in conjunction with any embodiment
Other embodiments are closed to realize that this feature, structure or feature are also fallen in the scope of the utility model.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of positioning mechanism characterized by comprising
Support portion (10), the support portion (10) are installed on the rotatable workbench of lathe, and the support portion (10) has
Supporting surface (113), the supporting surface (113) offer location hole (12) on the support portion (10), can lead to for installing cutterhead
The rotation center at the center and the workbench of crossing the location hole (12) calibrates the support portion (10) and the workbench.
2. positioning mechanism according to claim 1, which is characterized in that the support portion (10) includes:
Annular convex platform (11) has the supporting surface (113) on the end face of the annular convex platform (11), the annular convex platform (11)
Middle part offer the location hole (12).
3. positioning mechanism according to claim 2, which is characterized in that the annular convex platform (11) includes:
It supports ontology (111)；
Protrusion (112), the first end of the protrusion (112) are connected with the support ontology (111), the protrusion
(112) end face of second end forms the supporting surface (113).
4. positioning mechanism according to claim 3, which is characterized in that the protrusion (112) be it is multiple, it is multiple described convex
Portion (112) are arranged at intervals around the geometric center of support ontology (111) out, the institute of multiple protrusions (112)
Supporting surface (113) is stated to be located in approximately the same plane.
5. positioning mechanism according to claim 4, which is characterized in that the protrusion (112) is three.
6. positioning mechanism according to claim 3, which is characterized in that location structure is offered on the support portion (10),
The location structure is the through-hole (13) being opened on support ontology (111), and/or, the location structure is to be set to
Positioning column on the support ontology (111).
7. positioning mechanism according to claim 3, which is characterized in that offer connecting hole on the annular convex platform (11)
(114), the connecting hole (114) penetrates through the protrusion (112) and the support ontology (111) setting.
8. positioning mechanism according to claim 7, which is characterized in that the positioning mechanism further include:
The first end of connector (14), the connector (14) is connected with the annular convex platform (11), the connector (14)
Second end be connected with the workbench, the outer peripheral surface of the connector (14) and the annular convex platform (11) close to described
Annular is formed between the surface of workbench side allows bit space.
9. positioning mechanism according to claim 8, which is characterized in that the floor projection of the connecting hole (114) is located at institute
Annular is stated to allow in bit space.
10. positioning mechanism according to claim 2, which is characterized in that offer flat position on the annular convex platform (11)
(115) to be formed datum level (116), the datum level (116) is for the X-axis collimation with the lathe.
11. positioning mechanism according to claim 8, which is characterized in that the positioning mechanism further include:
The second end of pedestal (20), the connector (14) is fixed on the workbench by the pedestal (20), the base
Seat (20) is oppositely disposed with the annular convex platform (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175177.5U CN208543254U (en) | 2018-07-24 | 2018-07-24 | Positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821175177.5U CN208543254U (en) | 2018-07-24 | 2018-07-24 | Positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208543254U true CN208543254U (en) | 2019-02-26 |
Family
ID=65425119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821175177.5U Expired - Fee Related CN208543254U (en) | 2018-07-24 | 2018-07-24 | Positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208543254U (en) |
-
2018
- 2018-07-24 CN CN201821175177.5U patent/CN208543254U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 Termination date: 20210724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |