CN208663184U - The milling tool of turbocharger compression impellor end-tooth - Google Patents
The milling tool of turbocharger compression impellor end-tooth Download PDFInfo
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- CN208663184U CN208663184U CN201821512305.0U CN201821512305U CN208663184U CN 208663184 U CN208663184 U CN 208663184U CN 201821512305 U CN201821512305 U CN 201821512305U CN 208663184 U CN208663184 U CN 208663184U
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- China
- Prior art keywords
- compression impellor
- tooth
- core axle
- positioning core
- pressing sleeve
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Abstract
The utility model provides a kind of milling tool of turbocharger compression impellor end-tooth, including interior pressing sleeve, soket head cap screw, positioning core axle, attachment screw and pedestal；Wherein, pedestal has the escape groove of evacuation attachment screw and the through-hole for assembling positioning core axle, positioning core axle is assembled on pedestal by attachment screw, interior pressing sleeve is sleeved on soket head cap screw, soket head cap screw is threadedly coupled with positioning core axle, compression impellor is sleeved on internal pressure and puts on, and is positioned by the bore orifice cone match of end-tooth one end of the conical surface and compression impellor of interior pressing sleeve.The milling tool structure of turbocharger compression impellor end-tooth provided by the utility model is simple, it is easy to operate, according to the model of compression impellor, use corresponding positioning core axle, interior pressing sleeve and soket head cap screw, clamped one time, so that it may which the processing for completing compression impellor end-tooth ensure that product quality, suitable for various types of processing, production efficiency is greatly improved.
Description
Technical field
The utility model belongs to compression impellor processing technique field, more specifically, it is related to a kind of turbocharger and calms the anger
The milling tool of impeller end-tooth.
Background technique
Turbocharger belongs to the component that runs at high speed, wherein the core component of turbocharger be compression impellor and main shaft,
Compression impellor with the common assembly method that couples of main shaft is realized by end-tooth, and end-tooth is commonly called as Hess tooth, is a kind of
With axis in a kind of gear of 90 ° of cooperation.In spindle end surface impeller back side wheel hub, adhere to radial gear respectively, connection is
It is intermeshed by the teeth and tooth socket adhered on two pairs of end faces to transmit the axial direction of torque, compression impellor and main shaft by pull rod
Pulling force is assembled together, and the front end of compression impellor is fixed by locking nut, dismantles very convenient.In addition, the transmitting of torque is logical
Multiple staggered tooth teeth are crossed to realize, teeth and tooth socket uniform force avoid stress raisers, while the engagement between two flank of tooth
Also there is self-centering action, prevent two connectors because the deviation of concentricity brings larger beat, this couples high speed rotation
Part is very crucial.
The end-tooth for processing compression impellor at this stage is to clamp the outer of compression impellor by a set of dedicated soft three-jaw tooling
Circle is to fix compression impellor, since the outer circle and height of each type compression impellor differ larger, so each type must be made
Make corresponding a set of dedicated soft three-jaw tooling, and a kind of compression impellor need to remove replacement under processing, therefore uses soft three-jaw processing end
The versatility of face tooth is low, and increases working hour and frock cost, this needs a kind of new end-tooth milling tool just to assist calming the anger
The milling of impeller end-tooth, to guarantee the precision and efficiency of end-tooth.
Utility model content
In view of the above problems, the purpose of the utility model is to provide a kind of millings of turbocharger compression impellor end-tooth
Tool, to solve the problem of that soft three-jaw tooling versatility is low and increases working hour and frock cost.
The milling tool of turbocharger compression impellor end-tooth provided by the utility model, including interior pressing sleeve, interior hexagonal
Screw, positioning core axle, attachment screw and pedestal；Wherein, pedestal has the escape groove of evacuation attachment screw and for assembling positioning
The through-hole of mandrel, positioning core axle are assembled on pedestal by attachment screw, and interior pressing sleeve is sleeved on soket head cap screw, interior hexagonal spiral shell
Nail is threadedly coupled with positioning core axle, and compression impellor is sleeved on internal pressure and puts on, and passes through the conical surface of interior pressing sleeve and the end face of compression impellor
The bore orifice cone match of tooth one end positions.
Additionally, it is preferred that structure be that the milling tool of turbocharger compression impellor end-tooth further includes extension bar, lengthen
Bar includes light bar segment and thread segment, and interior in light bar segment to be provided in the axial direction with threaded hole, soket head cap screw and light bar segment screw thread connect
It connects, thread segment is threadedly coupled with positioning core axle.
Furthermore it is preferred that structure be, the upper surface of soket head cap screw lower than compression impellor end-tooth minimum point 0.5mm with
On.
Furthermore preferred structure is, the outside diameter of interior pressing sleeve is 0.5mm smaller than the diameter of bore of compression impellor.
Compared with prior art, the milling tool structure of turbocharger compression impellor end-tooth provided by the utility model
Simply, easy to operate, according to the model of compression impellor, using corresponding positioning core axle, interior pressing sleeve and soket head cap screw, once
Clamping, so that it may which the processing for completing compression impellor end-tooth ensure that product quality, be suitable for various types of processing, greatly
Ground improves production efficiency.
Detailed description of the invention
By reference to the following description in conjunction with the accompanying drawings and the contents of the claims, and with to the utility model more
Comprehensive understanding, other purposes and result of the utility model will be more clearly understood and understood.
In the accompanying drawings:
Fig. 1 is the milling tool and leaf of calming the anger according to the turbocharger compression impellor end-tooth of the utility model embodiment
The assembling schematic diagram of wheel；
Fig. 2 is the structural schematic diagram according to the pedestal of the utility model embodiment；
Fig. 3 is the structural schematic diagram according to the positioning core axle of the utility model embodiment；
Fig. 4 is the structural schematic diagram according to the interior pressing sleeve of the utility model embodiment；
Fig. 5 is the structural schematic diagram according to the extension bar of the utility model embodiment.
Appended drawing reference therein includes: interior pressing sleeve 1, countersunk head tapped through hole 11, soket head cap screw 2, positioning core axle 3, countersunk head
Screw hole 31, stepped hole 32, attachment screw 4, pedestal 5, through-hole 51, escape groove 52, tapped blind hole 53, compression impellor 6, extension bar
7, light bar segment 71, thread segment 72, internal thread hole 73.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific embodiment
Specific embodiment of the utility model is described in detail below with reference to attached drawing.
Fig. 1 shows as according to the milling tool of the turbocharger compression impellor end-tooth of the utility model embodiment
Structure.
As shown in Figure 1, the milling tool of the turbocharger compression impellor end-tooth of the utility model embodiment, including it is interior
Pressing sleeve 1, soket head cap screw 2, positioning core axle 3, attachment screw 4 and pedestal 5；Wherein, positioning core axle 3 is assembled by attachment screw 4
On pedestal 5, and one end of positioning core axle 3 passes through pedestal 5 and is threadedly coupled with soket head cap screw 2, and interior pressing sleeve 1 is sleeved on interior hexagonal
On screw 2, compression impellor suit 6 is on interior pressing sleeve 1, by the conical surface of interior pressing sleeve 1 and end-tooth one end of compression impellor 6
The positioning of hole aperture cone match, and the other end of compression impellor 6 is sleeved on one end that positioning core axle 3 passes through pedestal 5.
In order to avoid interference problem occur in soket head cap screw 2 and milling cutter, the upper surface of soket head cap screw 2 is lower than compression impellor
6 end-tooth minimum point 0.5mm or more.
Due to milling compression impellor 6 end-tooth when using symmetric mode milling (can reduce stress deformation, guarantee end-tooth
Precision and interchangeability), the only Milling Force of radial direction, therefore not will cause the rotation of compression impellor 6.This end-tooth milling
The sub- part of tool is simple, easy processing and replaces after damaging convenient, and clamping disassembly is also easy, and milling end-tooth is high-efficient, is applicable in
In the processing of the impeller end-tooth of various models, therefore the practicality is very high, and economic cost is low.
Fig. 2 shows the structures according to the pedestal of the utility model embodiment.
As shown in Fig. 2, offering through-hole 51 at the center of pedestal 5, passed through for positioning core axle 3, since pedestal 5 is sitting in ground
On face, in order to avoid positioning core axle 3, escape groove 52 is offered for the center of circle with through-hole 51 on pedestal 5, along through-hole on pedestal 5
51 radial two sides are respectively fixed with the tapped blind hole 53 locked for attachment screw 4.
Fig. 3 shows as according to the structure of the positioning core axle of the utility model embodiment.
As shown in figure 3, positioning core axle 3 is step structure, offered on positioning core axle 3 and the cooperation of attachment screw 4
Countersunk screw hole 31, the screw rod of attachment screw 4 pass through countersunk screw hole 31 and screw in tapped blind hole 53, offer in positioning core axle 3
Stepped hole 32, and lesser one section of diameter is threaded hole.
Fig. 4 is the structure according to the interior pressing sleeve of the utility model embodiment.
As shown in figure 4, offering countersunk head tapped through hole 11 in interior pressing sleeve 1, the bottom end of soket head cap screw 2 passes through countersunk head spiral shell
Line through-hole 11 is threadedly coupled with the threaded hole of stepped hole 32, realizes the positioning of soket head cap screw 2, in compression impellor 6 is sleeved on
When pressing sleeve 1, the positioning of compression impellor 6 can be realized.
The utility model selects the hex screw 2 of interior different length, soket head cap screw 2 according to the height of compression impellor 6
Calculating formula of length are as follows:
Position length+attachment screw 4 of height+positioning core axle 3 of length=compression impellor 6 of soket head cap screw 2 has
Imitate the position length of the interior pressing sleeve 1 of length-.
The length value of part soket head cap screw 2 can be obtained by above-mentioned formula.If the not soket head cap screw of standard specification
2, then it needs by increasing an extension bar 7, to be positioned with the cooperation of soket head cap screw 2 to compression impellor 6.
Fig. 5 shows the structure of the extension bar according to the utility model embodiment.
As shown in figure 5, extension bar 7 include light bar segment 71 and thread segment 72, in light bar segment 71 in be provided in the axial direction with
The threaded hole 73 that soket head cap screw 2 cooperates, soket head cap screw 2 are threadedly coupled with light bar segment 71, thread segment 72 and positioning core axle 3
The threaded hole of stepped hole 32 is threadedly coupled.
The utility model selects interior pressing sleeve 1: compression impellor according to compression impellor 6 and its orifice chamfer of end-tooth one end
The difference of the outside diameter of 6 diameter of bore and interior pressing sleeve 1 is 0.5mm.
The assembling process of the utility model is as follows: the first step, and pedestal 5 and the attachment screw 4 of positioning core axle 3 are assembled one
Play composition tooling；The tooling is hung on Five-axis NC Machining Center workbench, is placed roughly in workbench by second step, operator
At the heart；Third step, by compression impellor 6 sling be packed into the tooling, by soket head cap screw 2 (or be packed into compression impellor 6 before plus lengthen
Bar 7) it loads onto, being screwed to compression impellor 6 cannot rotate easily；4th step, after operator utilizes dial gauge centering workpiece, with torsion
Square spanner presses defined M16 moment values 230Nm (metric system Bolt Tightening Force square standard --- Q/STB 12.521.5-2000 machine
10.9 grades of tool performance) tighten after can start milling end tooth.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described with power
Subject to the protection scope that benefit requires.
Claims (4)
1. a kind of milling tool of turbocharger compression impellor end-tooth, which is characterized in that including interior pressing sleeve, interior hexagonal spiral shell
Nail, positioning core axle, attachment screw and pedestal；Wherein, the pedestal has the escape groove for avoiding the attachment screw and for filling
Through-hole with the positioning core axle, the positioning core axle are assembled on the pedestal by the attachment screw, the interior pressing sleeve
It is sleeved on the soket head cap screw, the soket head cap screw is threadedly coupled with the positioning core axle, and compression impellor is sleeved on institute
It states internal pressure to put on, the bore orifice cone match by end-tooth one end of the conical surface and compression impellor of the interior pressing sleeve is fixed
Position.
2. the milling tool of turbocharger compression impellor end-tooth according to claim 1, which is characterized in that further include
Extension bar, the extension bar include light bar segment and thread segment, in the light bar segment in be provided in the axial direction with threaded hole, it is described in
Hex screw is threadedly coupled with the light bar segment, and the thread segment is threadedly coupled with the positioning core axle.
3. the milling tool of turbocharger compression impellor end-tooth according to claim 1, which is characterized in that in described
The upper surface of hex screw is lower than the end-tooth minimum point 0.5mm or more of the compression impellor.
4. the milling tool of turbocharger compression impellor end-tooth according to claim 1, which is characterized in that in described
The outside diameter of pressing sleeve is 0.5mm smaller than the diameter of bore of the compression impellor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821512305.0U CN208663184U (en) | 2018-09-17 | 2018-09-17 | The milling tool of turbocharger compression impellor end-tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821512305.0U CN208663184U (en) | 2018-09-17 | 2018-09-17 | The milling tool of turbocharger compression impellor end-tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208663184U true CN208663184U (en) | 2019-03-29 |
Family
ID=65842002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821512305.0U Active CN208663184U (en) | 2018-09-17 | 2018-09-17 | The milling tool of turbocharger compression impellor end-tooth |
Country Status (1)
| Country | Link |
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| CN (1) | CN208663184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605544A (en) * | 2019-09-23 | 2019-12-24 | 重庆江增船舶重工有限公司 | Method for machining nozzle ring blade |
-
2018
- 2018-09-17 CN CN201821512305.0U patent/CN208663184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605544A (en) * | 2019-09-23 | 2019-12-24 | 重庆江增船舶重工有限公司 | Method for machining nozzle ring blade |
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