CN205927204U - Dysmorphism pinhole precision finishing boring bar - Google Patents
Dysmorphism pinhole precision finishing boring bar Download PDFInfo
- Publication number
- CN205927204U CN205927204U CN201620901364.1U CN201620901364U CN205927204U CN 205927204 U CN205927204 U CN 205927204U CN 201620901364 U CN201620901364 U CN 201620901364U CN 205927204 U CN205927204 U CN 205927204U
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- China
- Prior art keywords
- boring bar
- rotor
- main shaft
- fixed
- boring
- Prior art date
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Abstract
The utility model discloses a dysmorphism pinhole precision finishing boring bar, technical field is designed for mechanical device in affiliated field, including a main shaft, flexible hinge, the rotor, a stator, the coil, an elastic element, the boring cutter, the boring bar, adopt flexible hinged joint between main shaft and the rotor, deflection can conveniently take place down in the effect of unbalance loading lotus for the main shaft for the rotor, the boring bar clamping is in the rotor, the boring cutter is fixed on the right -hand member periphery of boring bar, top and below at the rotor are fixed with the stator respectively, near of stator is fixed with the coil, when the main shaft rotates, the rotor is along with its rotation, produce the unbalance loading under the effect in coil magnetic field, the boring bar is crooked under the unbalance loading effect, realize the accurate boring of special -shaped pinhole, the utility model discloses an impact that dysmorphism pinhole precision finishing boring bar, boring bar produced when holding the loading lotus is little, and boring bar work stationarity is good, and elastic element is fixed convenient and reliable, and long service life, boring bar clamping in the rotor is convenient, and the clamp force is big, and the boring bar is fixed reliable.
Description
Technical field
This utility model is related to machinery design field, more particularly to a kind of noncircular pin hole Precision Machining boring
Bar.
Background technology
Piston as the critical component of whole electromotor, its performance directly affect electromotor and automobile integral power,
Transmission system performance index.By engine speed increase and output demand raising so that the combustion gas born of piston
Pressure and inertia force are increasing, and, as its key structure position, suffered stress is also increasing for piston pin hole.Test knot
Fruit shows, it is big 147 times that the interior lateral stress of traditional cylindrical pin hole compares outer lateral stress.Because stress is along piston pin hole axis
In the extremely uneven and piston pin hole of distribution, the high concentration of lateral stress, accelerates the fatigue damage of piston, and leads to piston to break
Split, the accident such as scuffing of cylinder bore, have a strong impact on the reliability of internal combustion engine, piston pin hole be processed into noncircular pin hole and can substantially reduce in it
Lateral stress and outside stress difference, improve the service life of piston.
Utility model content
The purpose of this utility model is exactly the defect in order to overcome prior art, devises a kind of noncircular pin hole Precision Machining
Boring bar.
The required technical problem solving of this utility model can be achieved through the following technical solutions：
A kind of noncircular pin hole Precision Machining boring bar, including rotor, boring cutter, boring bar, described boring bar clamping in described rotor,
Described boring cutter is fixed on the right-hand member periphery of described boring bar, also includes main shaft, flexible hanger, stator, coil, flexible member,
Adopt described flexible hanger to connect between described main shaft and described rotor, described rotor with respect to described main shaft partial load work
With under deflect, be respectively fixed with described stator above and below described rotor, the neighbouring fixation of described stator is
State coil, during described main axis, described rotor rotates with it, produce unbalance loading, described boring in the presence of described coil magnetic field
Bar bends under uneven loading action.
The left end of the right-hand member of described main shaft and described rotor is respectively fixed with described flexible member.
The right part of described main shaft is provided with step, and described flexible member is fixed on the right side of step.
Described flexible hanger and described flexible member are fixed as an entirety.
Described rotor be internally provided with clamping structure.
Due to employing above technical scheme, this utility model has the advantage that：
Abnormity designed by being combined using rotor, boring cutter, boring bar, main shaft, flexible hanger, stator, coil, flexible member
Pin-and-hole Precision Machining boring bar, the right-hand member of main shaft and the left end of rotor are respectively fixed with flexible member, and flexible member is conducive to reducing
Boring bar bears the impact producing during load, and boring bar stable working is good, and the right part of main shaft is provided with step, and flexible member is i.e. solid
It is scheduled on the right side of step, flexible member is fixed conveniently reliability, flexible hanger and flexible member are fixed as an entirety, are conducive to
Improve boring bar bearing capacity operationally, long service life, rotor be internally provided with clamping structure, boring bar is built-in in rotor
Folder is convenient, and clamping force is big, and boring bar is fixing reliable.
Brief description
Fig. 1 is this utility model structure front-view schematic diagram；
The each assembly of in figure and reference are respectively：1st, main shaft；2nd, flexible hanger；3rd, boring-rod jig；4th, stator；5th, line
Circle；6th, flexible member；7th, boring cutter；8th, boring bar.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
A kind of noncircular pin hole Precision Machining boring bar, including main shaft 1, flexible hanger 2, rotor 3, stator 4, coil 5, elasticity unit
Part 6, boring cutter 7, boring bar 8, are connected using flexible hanger 2 between main shaft 1 and rotor 3, and rotor 3 can be in unbalance loading with respect to main shaft 1
Easily deflect in the presence of lotus, in rotor 3, boring cutter 8 is fixed on the right-hand member periphery of boring bar 8 boring bar 8 clamping,
It is respectively fixed with stator 4, the vicinity of stator 4 is fixed with coil 5, and when main shaft 1 rotates, rotor 3 is with it above and below rotor 3
Rotate, produce unbalance loading in the presence of coil 5 magnetic field, boring bar 8 bends under uneven loading action, realizes the accurate boring of noncircular pin hole
Cut.
The left end of the right-hand member of main shaft 1 and rotor 3 is respectively fixed with flexible member 6, and flexible member 6 is conducive to reducing boring bar 8
Bear the impact producing during load, boring bar 8 stable working is good.
The right part of main shaft 1 is provided with step, and flexible member 6 is fixed on the right side of step, flexible member 6 fixation side
Just reliable.
Flexible hanger 2 and flexible member 6 are fixed as an entirety, are conducive to improving boring bar 8 bearing capacity operationally,
Long service life.
Rotor 3 be internally provided with clamping structure, boring bar 8 convenient mounting and clamping in rotor 3, clamping force is big, and boring bar 8 fixation can
Lean on.
Noncircular pin hole Precision Machining boring bar disclosed in the utility model, the left end of the right-hand member of main shaft 1 and rotor 3 is solid respectively
Surely 6 are had elastic component, flexible member 6 is conducive to reducing boring bar 8 and bears the impact producing during load, and boring bar 8 stable working is good,
The right part of main shaft 1 is provided with step, and flexible member 6 is fixed on the right side of step, and flexible member 6 is fixed conveniently reliability,
Flexible hanger 2 and flexible member 6 are fixed as an entirety, are conducive to improving boring bar 8 bearing capacity operationally, service life
Long, rotor 3 be internally provided with clamping structure, boring bar 8 convenient mounting and clamping in rotor 3, clamping force is big, and boring bar 8 is fixing reliable.
Of the present utility model ultimate principle, principal character and of the present utility model advantage, one's own profession have been shown and described above
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also can
There are various changes and modifications, these changes and improvements both fall within the range of claimed this utility model.This utility model will
Protection domain is asked to be defined by appending claims and its equivalent.
Claims (5)
1. a kind of noncircular pin hole Precision Machining boring bar, including rotor, boring cutter, boring bar, described boring bar clamping in described rotor, institute
State boring cutter be fixed on the right-hand member periphery of described boring bar it is characterised in that：Also include main shaft, flexible hanger, stator, coil,
Flexible member, adopts described flexible hanger to connect, described rotor exists with respect to described main shaft between described main shaft and described rotor
Deflect in the presence of partial load, be respectively fixed with described stator above and below described rotor, described stator attached
Closely it is fixed with described coil, during described main axis, described rotor rotates with it, produce partially in the presence of described coil magnetic field
Carry, described boring bar bends under uneven loading action.
2. according to claim 1 a kind of noncircular pin hole Precision Machining boring bar it is characterised in that：The right-hand member of described main shaft and institute
The left end stating rotor is respectively fixed with described flexible member.
3. according to claim 1 a kind of noncircular pin hole Precision Machining boring bar it is characterised in that：The right part of described main shaft sets
It is equipped with step, described flexible member is fixed on the right side of step.
4. according to claim 1 a kind of noncircular pin hole Precision Machining boring bar it is characterised in that：Described flexible hanger with described
Flexible member is fixed as an entirety.
5. according to claim 1 a kind of noncircular pin hole Precision Machining boring bar it is characterised in that：The inside setting of described rotor
There is clamping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901364.1U CN205927204U (en) | 2016-08-18 | 2016-08-18 | Dysmorphism pinhole precision finishing boring bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901364.1U CN205927204U (en) | 2016-08-18 | 2016-08-18 | Dysmorphism pinhole precision finishing boring bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205927204U true CN205927204U (en) | 2017-02-08 |
Family
ID=57946853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620901364.1U Expired - Fee Related CN205927204U (en) | 2016-08-18 | 2016-08-18 | Dysmorphism pinhole precision finishing boring bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205927204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141248A (en) * | 2016-08-18 | 2016-11-23 | 池州学院 | A kind of noncircular pin hole Precision Machining boring bar |
-
2016
- 2016-08-18 CN CN201620901364.1U patent/CN205927204U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141248A (en) * | 2016-08-18 | 2016-11-23 | 池州学院 | A kind of noncircular pin hole Precision Machining boring bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |