CN206732662U - Main shaft nose holds system, numerical control machining center tightly - Google Patents
Main shaft nose holds system, numerical control machining center tightly Download PDFInfo
- Publication number
- CN206732662U CN206732662U CN201720570092.6U CN201720570092U CN206732662U CN 206732662 U CN206732662 U CN 206732662U CN 201720570092 U CN201720570092 U CN 201720570092U CN 206732662 U CN206732662 U CN 206732662U
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- China
- Prior art keywords
- main shaft
- piston
- protecgulum
- piston hole
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 3
- 210000001331 nose Anatomy 0.000 claims 11
- 238000000926 separation method Methods 0.000 claims 1
- 238000007514 turning Methods 0.000 abstract description 16
- 238000003801 milling Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
Main shaft nose provided by the utility model holds system tightly, numerical control machining center belongs to machining technique field, purpose is to provide a kind of main shaft nose and holds system tightly, and being provided with that the numerical control machining center of the holding system only need to clamp once can be to realize to part milling and turning.The utility model main shaft nose, which holds system tightly, to be included：Main shaft protecgulum and piston；The main shaft protecgulum has piston hole, wherein the inner of the piston hole extends to the inner ring surface of the main shaft protecgulum, the outer end of the piston hole is used to be connected with high-pressure fluid；When overcoat before the main shaft protecgulum to be fixed on to main shaft and when injecting high-pressure fluid to the piston hole, the piston can stretch out inner ring surface of the main shaft protecgulum and be pressed on the mandrel of main shaft along its inner that is axially slided to of the piston hole.The nose of the main shaft of the utility model numerical control machining center is provided with main shaft nose described above and holds system tightly.
Description
Technical field
It the utility model is related to machining technique field, more particularly to finishing technology field.
Background technology
Existing fine miniature parts (such as mobile phone backboard) processing usually requires to pass through multiple working procedure.It is existing to need high-speed milling
The part manufacturing procedure of turnery processing is again afterwards：Part is installed on milling machine first and carries out Milling Process, then will
Part, which is installed on turning machine, carries out turning, i.e., with current machining technique for, in order to complete milling and turning twice
Process has to pass through clamping twice, and not only time-consuming, and can lose machining accuracy, increase equipment occupancy volume.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of main shaft nose and holds system tightly, is provided with the holding system
Numerical control machining center only need to once clamp can with realize to part milling and turning.
The utility model main shaft nose holds system tightly, it is characterised in that including：Main shaft protecgulum and piston；
The main shaft protecgulum has piston hole, wherein the inner of the piston hole extends to the inner ring of the main shaft protecgulum
Face, the outer end of the piston hole are used to be connected with high-pressure fluid；
When overcoat before the main shaft protecgulum to be fixed on to main shaft and to the piston hole inject high-pressure fluid when, the work
Plug can stretch out inner ring surface of the main shaft protecgulum and be pressed on the core of main shaft along its inner that is axially slided to of the piston hole
On axle.
Preferably, the inner end face of the piston is the cylindrical adaptable arcuation with the mandrel.
Preferably, in addition to return springs；One end of the return springs is connected with the main shaft protecgulum, the other end
It is connected with the piston；When stopping injecting high-pressure fluid to the piston hole, the piston can be in the work of return springs
Piston hole is axially slided to its and inner is separated with the mandrel described in lower edge.
Preferably, in addition to：Positioning screw；The main shaft protecgulum also has a positioning screw hole, the positioning screw hole with it is described
Piston hole coaxial communication, and the diameter of the positioning screw hole is not less than the diameter of the piston hole；The positioning screw screws
In the positioning screw hole.
Preferably, the relatively described piston hole of the piston is circumferentially fixed.
Preferably, the section of the piston hole is ellipse；Piston at least part section is to be cut with the piston hole
The adaptable ellipse in face.
Preferably, the quantity of the piston hole is multiple, and multiple piston holes are arranged at the main shaft protecgulum not
Same opening position, one piston of corresponding assembling in each piston hole.
Preferably, multiple piston holes are using the axis of the main shaft protecgulum as axis angularly annular array.
Preferably, the piston hole being radially arranged along the main shaft protecgulum.
Main shaft nose provided by the utility model holds the nose that system is used for the main shaft installed in numerical control machining center tightly,
Part is processed using the numerical control machining center for being provided with high pressure holding system, when needing milling, directly pacified in main shaft
Dress milling cutter can be implemented to part milling；When needing turning, turning cutting tool is installed on main shaft, and to the piston hole
High-pressure fluid is injected, so that piston stretches out the inner ring surface of the main shaft protecgulum simultaneously along its inner that is axially slided to of the piston hole
It is pressed on the mandrel of main shaft, i.e., now mandrel relative main is fixed, so that turning cutting tool there are enough rigidity to support pair
Part implements turning, and reaches expected turning effect.
On the other hand the utility model provides numerical control machining center, the nose of the main shaft of the machining center is provided with above-mentioned
The one main shaft nose holds system tightly.Its effect that can reach is same as above segment description.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is the half sectional view of the main shaft for the main shaft nose holding system for being provided with the offer of the embodiment of the utility model one；
Partial enlarged drawing in Fig. 2 bitmaps 1 at P.
Reference：
1- main shafts nose holds system tightly
11- main shaft protecgulums
111- piston holes
112- positioning screw holes
12- pistons
13- positioning screws
2- main shafts
21- mandrels
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
As shown in Figure 1-2, the main shaft nose that the embodiment of the utility model one is provided holds system 1 tightly, including：Main shaft protecgulum
11 and piston 12；Main shaft protecgulum 11 has piston hole 111, and the inner of wherein piston hole 111 extends to the inner ring of main shaft protecgulum 11
Face, the outer end of piston hole 111 are used to be connected with high-pressure fluid；When main shaft protecgulum 11 is fixed on into the nose of main shaft 2 and to piston
When high-pressure fluid is injected in hole 111, piston 12 can be stretched out in main shaft protecgulum 11 along its inner that is axially slided to of piston hole 111
Anchor ring is simultaneously pressed on the mandrel 21 of main shaft 2.
Main shaft nose provided by the utility model holds the nose that system 1 is used for the main shaft 2 installed in numerical control machining center tightly
End, part is processed using the numerical control machining center for being provided with high pressure holding system, when needing milling, directly in main shaft
2 installation milling cutters can be implemented to part milling；When needing turning, turning cutting tool is installed on main shaft 2, and to piston hole
111 injection high-pressure fluids, so that the inner ring surface that is axially slided to its inner stretches out main shaft protecgulum 11 of the piston 12 along piston hole 111
And be pressed on the mandrel 21 of main shaft 2, i.e., now the relative main 2 of mandrel 21 is fixed, so that turning cutting tool has enough rigidity
Turning is implemented to part with support, and reaches expected turning effect.
In order to further improve compression degree of the piston 12 to the mandrel 21 of main shaft 2, piston in the utility model embodiment
12 inner end face is the cylindrical adaptable arcuation with mandrel 21, consequently, it is possible to which the inner face of piston 12 is in bag to mandrel 21
The gesture of network, adds the contact surface of the two, namely adds the frictional force for hindering mandrel 21 to rotate, and has reached so-called compression mandrel
21 purpose.
After terminating to accessory turning, it usually needs resetted piston 12, so as to the progress of follow-up milling process.Base
In this consideration, the utility model embodiment also includes return springs；One end of return springs is connected with main shaft protecgulum 11, separately
One end is connected with piston 12；When stopping injecting high-pressure fluid to piston hole 111, piston 12 can be in the effect of return springs
It is lower to be separated along its inner that is axially slided to of piston hole 111 with mandrel 21.Specifically elastic component can select spring, flexure strip etc.
Flexible device,
Further, the utility model embodiment also includes：Positioning screw 13；Main shaft protecgulum 11 also has positioning screw hole
112, positioning screw hole 112 and the coaxial communication of piston hole 111, and the diameter of positioning screw hole 112 is not less than the diameter of piston hole 111；
Positioning screw 13 is screwed in positioning screw hole 112.The purpose for setting bolt-hole essentially consists in the installation for facilitating piston 12 or torn open
Unload, when needing to dismantle piston 12, first disassemble positioning screw 13, then piston 12 is passed through positioning screw hole by can
112 take out.
If piston 12 is inner to occur rotation when compressing mandrel 21, it is likely to damage the surface of mandrel 21, is
Avoid the generation of the problem, the piston 12 opposing pistons hole 111 in the utility model embodiment is circumferentially fixed.In order to realize work
Plug 12 it is circumferentially fixed, can be specifically non-revolved body by the Cross section Design of piston 12, for example the section of piston hole 111 is oval
Shape；At least part section of piston 12 is the ellipse being adapted with the section of piston hole 111.
In order to which more firm obstruction mandrel 21 rotates, the quantity of piston hole 111 is multiple in the utility model embodiment, and
Multiple piston holes 111 are arranged at the diverse location of main shaft protecgulum 11, one piston 12 of corresponding assembling in each piston hole 111.I.e.
Multiple thrusts can be applied to mandrel 21 simultaneously, especially multiple piston holes 111 are using the axis of main shaft protecgulum 11 as axis isogonism
Spend annular array best results.
Preferably, being radially arranged along main shaft protecgulum 11 of piston hole 111.Consequently, it is possible to high-pressure fluid applies to piston 12
Axial force can be completely used for being applied on mandrel 21, improve the utilization rate of high-pressure fluid exerted forces.
The numerical control machining center that another embodiment of the utility model is provided, the nose of the main shaft 2 of the machining center are set
There is any of the above-described main shaft nose to hold system 1 tightly.Its effect is as it was previously stated, will not be repeated here.It should be noted that unless
It is otherwise noted, technical term or scientific terminology used in this application should be the utility model one of ordinary skill in the art and managed
The ordinary meaning of solution.
In the description of the present application, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.In description of the present utility model, " multiple " are meant that two
More than, unless otherwise specifically defined.
In this application, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
In this application, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In specification of the present utility model, numerous specific details are set forth.It is to be appreciated, however, that reality of the present utility model
Applying example can put into practice in the case of these no details.In some instances, known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this description.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (10)
1. main shaft nose holds system tightly, it is characterised in that including：Main shaft protecgulum and piston；
The main shaft protecgulum has piston hole, wherein the inner of the piston hole extends to the inner ring surface of the main shaft protecgulum, institute
The outer end for stating piston hole is used to be connected with high-pressure fluid；
When overcoat before the main shaft protecgulum to be fixed on to main shaft and to the piston hole inject high-pressure fluid when, the piston energy
Reach inner ring surface for being axially slided to its inner stretching main shaft protecgulum along the piston hole and be pressed on the mandrel of main shaft.
2. main shaft nose according to claim 1 holds system tightly, it is characterised in that the inner end face of the piston for institute
State the cylindrical adaptable arcuation of mandrel.
3. main shaft nose according to claim 1 holds system tightly, it is characterised in that also including return springs；It is described multiple
One end of position elastic component is connected with the main shaft protecgulum, and the other end is connected with the piston；When stopping is injected to the piston hole
During high-pressure fluid, the piston can be axially slided to its inner and institute in the presence of return springs along the piston hole
State mandrel separation.
4. main shaft nose according to claim 1 holds system tightly, it is characterised in that also includes：Positioning screw；The main shaft
Protecgulum also has positioning screw hole, the positioning screw hole and the piston hole coaxial communication, and the diameter of the positioning screw hole is not small
In the diameter of the piston hole；The positioning screw is screwed in the positioning screw hole.
5. main shaft nose according to claim 1 holds system tightly, it is characterised in that the piston relatively described piston hole week
To fixation.
6. main shaft nose according to claim 5 holds system tightly, it is characterised in that the section of the piston hole is ellipse
Shape；Piston at least part section is the ellipse being adapted with the piston hole section.
7. main shaft nose according to claim 5 holds system tightly, it is characterised in that the quantity of the piston hole be it is multiple,
And multiple piston holes are arranged at the diverse location of the main shaft protecgulum, in each piston hole described in corresponding assembling one
Piston.
8. main shaft nose according to claim 7 holds system tightly, it is characterised in that multiple piston holes are with the main shaft
The axis of protecgulum is axis angularly annular array.
9. main shaft nose according to claim 1 holds system tightly, it is characterised in that the piston hole is along the main shaft protecgulum
Be radially arranged.
10. a kind of numerical control machining center, it is characterised in that the nose of main shaft is provided with any main shaft noses of claim 1-9
Hold holding system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570092.6U CN206732662U (en) | 2017-05-19 | 2017-05-19 | Main shaft nose holds system, numerical control machining center tightly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570092.6U CN206732662U (en) | 2017-05-19 | 2017-05-19 | Main shaft nose holds system, numerical control machining center tightly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206732662U true CN206732662U (en) | 2017-12-12 |
Family
ID=60567314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720570092.6U Expired - Fee Related CN206732662U (en) | 2017-05-19 | 2017-05-19 | Main shaft nose holds system, numerical control machining center tightly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206732662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984992A (en) * | 2017-05-19 | 2017-07-28 | 北京宇晨瑞翔精密机械有限公司 | Main shaft nose holds system, numerical control machining center tightly |
-
2017
- 2017-05-19 CN CN201720570092.6U patent/CN206732662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984992A (en) * | 2017-05-19 | 2017-07-28 | 北京宇晨瑞翔精密机械有限公司 | Main shaft nose holds system, numerical control machining center tightly |
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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 |
Granted publication date: 20171212 |