CN101678472B - Work machine - Google Patents
Work machine Download PDFInfo
- Publication number
- CN101678472B CN101678472B CN2007800531121A CN200780053112A CN101678472B CN 101678472 B CN101678472 B CN 101678472B CN 2007800531121 A CN2007800531121 A CN 2007800531121A CN 200780053112 A CN200780053112 A CN 200780053112A CN 101678472 B CN101678472 B CN 101678472B
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- China
- Prior art keywords
- work machine
- open end
- instrument
- annular resilient
- beam portion
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/12—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for forming working surfaces of cylinders, of bearings, e.g. in heads of driving rods, or of other engine parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
- B23B29/03432—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing
- B23B29/03457—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing by pivoting the tool carriers or by elastic deformation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/04—Co-ordinate boring or drilling machines; Machines for making holes without previous marking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/16—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring holes with high-quality surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2250/00—Compensating adverse effects during turning, boring or drilling
- B23B2250/08—Compensation of centrifugal force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/004—Adjustable elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2265/00—Details of general geometric configurations
- B23B2265/16—Elliptical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/02—Use of a particular power source
- B23B2270/025—Hydraulics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/06—Use of elastic deformation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2270/00—Details of milling machines, milling processes or milling tools not otherwise provided for
- B23C2270/02—Use of a particular power source
- B23C2270/027—Pneumatics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A work machine in which a tool attached to a tool holder performs highly accurate work. This is achieved by adapting the tool holder to be adjustable in the radial direction and by preventing a change in centrifugal force as much as possible. An annular elastic holder part (24) having one end secured to the tool holder (20) and the other end forming an open end (24a) is attached to the tool holder (20). Two or more tools, such as semi-finishing blades (26a, 26b) and finishing blades (28a, 28b), are fitted to the open end (24a). A pressing mechanism (32) is installed in the tool holder (20), and the pressing mechanism (32) moves forward and backward in the axial direction of the tool holder (20) to press the annular elastic holder part (24), deforming the open end (24a) into an elliptic shape. When the opening end (24a) is deformed in the elliptic shape, the semi-finishing blades (26a, 26b) move radially inward and the finishing blades (28a, 28b) move radially outward.
Description
Technical field
The present invention relates to can with the knife rest of integrated spindle axis ground rotation on the Work machine of plural instrument is installed.
Background technology
Generally speaking, use is various implements the work mechanism (Work machine) that processing is handled via the instrument, for example machining tool that are installed on the knife rest to workpiece.For example, in the boring processing of the cylinder that constitutes engine block, need process with the internal accurately barrel dliameter size of micron order.Therefore, usually, boring processing is divided into the processing of heavy boring processing (roughing), half right boring processing (semifinishing) and right boring processing (fine finishining) these three operations and carries out.
In this boring processing, particularly in right boring processing, must form high-precision processing diameter, utilize single-blade to process.But in the right boring processing that utilizes volume production equipment to carry out, owing to utilize single point of a knife to process, therefore the wearing and tearing of above-mentioned point of a knife are remarkable, thereby the processing diameter diminishes.Therefore, need above-mentioned position of tool tip to be regulated, keep constant boring processing diameter according to the processing diameter variation that causes by corner wear.
Therefore, for example consider to use the processing unit (plant) of disclosed cylinder inner surface in patent documentation 1.This processing unit (plant) is characterised in that, the cutter that cutter that roughing is used and fine finishining are used is separately positioned on the mutual opposed position of front end periphery of the processing head of boring processing usefulness, and be provided with elasticity retainer portion, by exerting pressure in the direction of the cutter of using towards roughing with the direction of the central axis quadrature of above-mentioned processing head and at the cutter of using from above-mentioned fine finishining, this elasticity retainer is towards this direction movement and deformation and above-mentioned each cutter is moved towards this direction.And then in this patent documentation 1, processing unit (plant) is compact and have rigidity, can make the tool position move (correction) accurately.
Patent documentation 1: TOHKEMY 2003-311517 communique
Yet in above-mentioned processing head, form such structure: when wanting worn out point of a knife regulated, boring bar moves at radial direction with respect to main shaft.When boring bar when radial direction moves, the position of centre of gravity of this boring bar also moves.Therefore, the centrifugal force that produces in processing head or boring bar also changes.
In recent years, in the boring of cylinder processing, the improvement of the material category by cutter, High-speed machining becomes possibility, follows in this, and the rotating speed of main shaft uprises.Consequently, can not ignore the influence of the centrifugal force that in boring bar, produces, even if seek the boring processing unit (plant) that the variation that also can suppress centrifugal force is moved in a kind of point of a knife correction.
Summary of the invention
The present invention finishes corresponding to this requirement, its purpose is to provide a kind of Work machine, this Work machine can knife rest radially the instrument that is installed on the knife rest is carried out position adjustments, and can stop the variation of centrifugal force as much as possible, carry out high-precision operation efficiently.
The present invention possesses: knife rest, and it can rotate with integrated spindle axis ground; Annular resilient retainer portion, the one end is fastened on the described knife rest, the other end forms open end, and is provided with the plural installation portion and the beam portion that is connected at least two described installation portions and extends towards the rotation side that is used to install plural instrument integratedly in described open end side; And pressing mechanism, it is in the axial advance and retreat of described knife rest and to the pressurization of described beam portion, can maintain at position of centre of gravity thus under the state on the described rotation, make described open end side distortion and the distance of the described rotation of distance of at least two described instruments is regulated described annular resilient retainer portion.
And preferred beam portion constitutes on the inwall that is connected installation portion and the circular-arc beam portion of the shaft core position by annular resilient retainer portion, by pressing mechanism axially to the pressurization of described circular-arc beam portion, open end can strain be an elliptical shape thus.
Further, preferred Work machine possesses: two first instruments, and they are installed in the minor axis side that strain is the open end of elliptical shape; And two second instruments, they are installed in the major axis side of described open end.
Further, preferred Work machine is set for: by pressing mechanism annular resilient retainer portion is being given under the stressed state, the diameter of the rotary track of first instrument is bigger than the diameter of the rotary track of second instrument.
And, preferred pressing mechanism utilizes fluid pressure to give plus-pressure to annular resilient retainer portion, and, annular resilient retainer portion not to be given under the stressed state that produces by described fluid pressure, first instrument and second instrument automatically restore to the neutral position.
Further, first instrument is first process tool that the inner peripheral surface of workpiece is carried out first processing, and second instrument is second process tool that after described first processing described inner peripheral surface is carried out second processing.
Further, preferred beam portion constitutes the circular-arc beam portion on the inwall that is connected installation portion, by utilize pressing mechanism axially to the pressurization of described circular-arc beam portion, open end can strain be above polygon-shaped of triangle or quadrangle shape thus.
And preferred kit and strain are that install accordingly in the bight of the above polygon-shaped open end of triangle or quadrangle shape.
In Work machine involved in the present invention, when annular resilient retainer portion being pressurizeed by pressing mechanism, under the position of centre of gravity with this annular resilient retainer portion maintains state on the rotation, the distortion of open end side.At this moment, on open end, plural instrument is installed, and radially plural described instrument is carried out position adjustments (correction) at knife rest via installation portion.
Therefore, for example to be installed in strain be elliptical shape open end the minor axis side instrument each other or the instrument that is installed in the major axis side of described open end carry out position correction each other, it is equated apart from the axis of rotation distance, so center of gravity can not move.Thus, particularly when rotating at a high speed, also can be efficiently and carry out high-precision operation reliably.
Fig. 1 is the perspective illustration as the work mechanism of the Work machine of first embodiment of the invention.
Fig. 2 is the key diagram of analysing and observe of above-mentioned work mechanism.
Fig. 3 is that the master who constitutes the annular resilient retainer portion of above-mentioned work mechanism looks key diagram.
Fig. 4 is the perspective illustration of above-mentioned annular resilient retainer portion.
Fig. 5 is semi-finished key diagram.
Fig. 6 is that the master of the above-mentioned annular resilient retainer portion when carrying out above-mentioned semifinishing looks key diagram.
Fig. 7 is accurately machined key diagram.
Fig. 8 is the perspective illustration of annular resilient retainer portion that constitutes the work mechanism of second embodiment of the invention.
Fig. 9 is that the master who constitutes the annular resilient retainer portion of above-mentioned work mechanism looks key diagram.
Label declaration
10... work mechanism; 16... main shaft; 20... knife rest; 22a... gas passage; 24,70... annular resilient retainer portion; 24a... open end; 26a, 26b... semifinishing sword; 28a, 28b, 74a～74c... fine finishining sword; 32... pressing mechanism; 34... pneumatic cylinder portion; 36... hydraulic cylinder portion; 50,72... ring body; 52a, 52b, 54a, 54b, 76a～76c... tool magazine (bank) portion; 56,78... beam portion.
The specific embodiment
Fig. 1 is the perspective illustration as the work mechanism 10 of the Work machine of first embodiment of the invention, and Fig. 2 is the key diagram of analysing and observe of above-mentioned work mechanism 10.
As shown in Figure 2, in housing 14, be equipped with gas conduit 22, in this gas conduit 22, be formed with the gas passage 22a that is communicated with not shown gas supply source along the axle center of main shaft 16.
Be equipped with annular resilient retainer portion 24 on knife rest 20, an end of this annular resilient retainer portion 24 is fastened on the above-mentioned knife rest 20, and the other end forms open end 24a.In open end 24a side plural instrument, for example semifinishing sword (first process tool) 26a, 26b and fine finishining sword (second process tool) 28a, 28b (with reference to Fig. 3) are installed.Be provided with pressing mechanism 32 on knife rest 20, this pressing mechanism 32 can be advanced and retreat and annular resilient retainer portion 24 is pressurizeed in axial (the arrow A direction) of above-mentioned knife rest 20, makes open end 24a be deformed into elliptical shape thus.
The piston rod 40a of first piston 40 is provided in the hydraulic pressure chamber 44 that constitutes hydraulic cylinder portion 36 in mode free to advance or retreat.Second piston 46 is configured in the hydraulic pressure chamber 44 in the mode of sliding freely.The piston rod 46a of second piston 46 is configured in the annular resilient retainer portion 24 highlightedly.
As Fig. 2～shown in Figure 4, annular resilient retainer portion 24 roughly forms cylindric, and is provided with the discoideus base portion 48 of the front end that is fastened on knife rest 20.Ring body 50 is located on the base portion 48, be formed with first 52a of tool magazine portion (installation portion), 52b and second 54a of tool magazine portion (installation portion), 54b in the end of the open end 24a of above-mentioned ring body 50 side, semifinishing sword 26a, 26b are installed among first 52a of tool magazine portion, the 52b in the mode of changing freely, and fine finishining sword 28a, 28b are installed among second 54a of tool magazine portion, the 54b in the mode of changing freely.
When passing through pressing mechanism 32 when arrow A 1 direction is pressurizeed to annular resilient retainer portion 24, open end 24a strain is an elliptical shape, and, semifinishing sword 26a, 26b are installed in the minor axis side of above-mentioned open end 24a, on the other hand, fine finishining sword 28a, 28b are installed in the major axis side of above-mentioned open end 24a.
Particularly, second 54a of tool magazine portion, 54b are integrated by the circular-arc beam portion 56 of extending towards the inside (rotation side) of ring body 50.Beam portion 56 can strain, do not act under the stressed state at pressing mechanism 32, semifinishing sword 26a, 26b is configured in and the corresponding position of semifinishing diameter D1, on the other hand, fine finishining sword 28a, 28b are configured in than in the inner part position also, the position corresponding with above-mentioned semifinishing diameter D1.
The bottom 56a of beam portion 56 is out of shape when being pressurizeed vertically by the piston rod 46a of second piston 46, thereby is installed in fine finishining sword 28a, 28b among second 54a of tool magazine portion, 54b side shifting and be configured in the position corresponding with finished diameter D2 outside radius.
On the other hand, first 52a of tool magazine portion, 52b directly do not link to each other with beam portion 56, and have 90 phase differences of spending with second 54a of tool magazine portion, 54b.Therefore, when beam portion 56 is applied the plus-pressure of arrow A 1 direction, first 52a of tool magazine portion, 52b towards the direction opposite with the moving direction of second 54a of tool magazine portion, 54b, be that inner sides of radius moves.Therefore, being installed in semifinishing sword 26a, 26b among first 52a of tool magazine portion, the 52b moves towards inner sides of radius and is configured in than the position of inner portion also, the position corresponding with finished diameter D2.
Below, the action of the work mechanism 10 of first embodiment that constitutes is by this way described.
At first, when the 60a of hole portion of cylindrical shell (for example cylinder block of engine) 60 being carried out semifinishing, gas passage 22a is not supplied with gas-pressurized by semifinishing sword 26a, 26b.Therefore, as shown in Figure 5 and Figure 6, owing to beam portion 56 is not applied the plus-pressure that is produced by piston rod 46a, therefore semifinishing sword 26a, 26b is configured in and the corresponding position of semifinishing diameter D1, on the other hand, fine finishining sword 28a, 28b are configured in than in the inner part position also, the position corresponding with above-mentioned semifinishing diameter D1.
Therefore, when main shaft 16 rotated under the effect of not shown rotary driving source, knife rest 20 rotated integratedly with annular resilient retainer portion 24.Open end 24a in annular resilient retainer portion 24, semifinishing sword 26a, 26b is configured in and the corresponding position of semifinishing diameter D1.Therefore, semifinishing sword 26a, 26b carry out semifinishing to the 60a of hole portion of cylindrical shell 60, and on the other hand, fine finishining sword 28a, 28b are configured in the inboard of the above-mentioned hole 60a of portion and can cause interference to semifinishing.
As mentioned above, after the semifinishing of the 60a of hole portion finished, never illustrated gas supply source was supplied with gas-pressurized to gas passage 22a.This gas-pressurized is fed into pneumatic cylinder portion 34, thereby first piston 40 moves towards arrow A 1 direction in pneumatic-hydraulic switch room 38.Therefore, the piston rod 40a of first piston 40 enters in the hydraulic pressure chamber 44 that constitutes hydraulic cylinder portion 36, second piston 46 moves towards arrow A 1 direction by hydraulic pressure, and the piston rod 46a of above-mentioned thus second piston 46 is towards the bottom 56a pressurization of arrow A 1 direction to the beam portion 56 of formation annular resilient retainer portion 24.
In annular resilient retainer portion 24, beam portion 56 strains thus, are integrally formed in second 54a of tool magazine portion, the 54b side shifting (with reference to Fig. 7) outside radius in the above-mentioned beam portion 56.At this moment, be installed in fine finishining sword 28a, 28b among second 54a of tool magazine portion, 54b side shifting and be configured in the position corresponding (with reference to Fig. 3) outside radius with finished diameter D2.On the other hand, being installed in semifinishing sword 26a, 26b among first 52a of tool magazine portion, the 52b moves towards inner sides of radius and is configured in than the position of inner portion also, the position corresponding with above-mentioned finished diameter D2.
And then, under the turning effort of main shaft 16, knife rest 20 rotates integratedly with annular resilient retainer portion 24, at this moment, fine finishining sword 28a, 28b carry out fine finishining to the 60a of hole portion of cylindrical shell 60, on the other hand, thus semifinishing sword 26a, 26b are configured in the inboard of the above-mentioned hole 60a of portion can not cause interference to fine finishining.
In this case, in the first embodiment, when annular resilient retainer portion 24 by pressing mechanism 32 by when arrow A 1 direction is pressurizeed, the open end 24a strain of above-mentioned annular resilient retainer portion 24 is an elliptical shape.That is, be installed among first 52a of tool magazine portion, the 52b semifinishing sword 26a, 26b towards the inner sides of radius mobile phase with size, simultaneously, be installed among second 54a of tool magazine portion, the 54b fine finishining sword 28a, 28b towards radius outside mobile phase with size.
Therefore, annular resilient retainer portion 24 radially carries out position adjustments (correction) to semifinishing sword 26a, 26b and fine finishining sword 28a, 28b at knife rest 20 under the position of centre of gravity with this annular resilient retainer portion 24 maintains state on the rotation.Thus, can access following effect: knife rest 20 can be carried out high-precision processing operation to cylindrical shell 60 efficiently.
Especially, in the boring processing of cylinder, even if the rotating speed of main shaft 16 raises, also can suppress the variation of the centrifugal force that the position of tool tip correction by semifinishing sword 26a, 26b and fine finishining sword 28a, 28b causes as much as possible, can carry out High-speed machining well.
And, in the first embodiment,, possess two fine finishining sword 28a, 28b in order to carry out fine finishining.Therefore, can with a sword for example fine finishining sword 28a as fine finishining sword in advance, and with another sword for example fine finishining sword 28b is as final fine finishining sword, the allowance that can make this final fine finishining sword is that stable minimum process surplus is carried out high-precision boring processing.
In addition, the strain of the ring body 50 that produces when utilizing piston rod 46a to beam portion 56 pressurization is carried out semifinishing sword 26a, 26b and fine finishining sword 28a, 28b and is moved towards correction radially.Therefore, in annular resilient retainer portion 24, can not cause sliding friction, not have the resistance to sliding that is accompanied by corrective action, can easily carry out high-precision correction and move.Especially, when knife rest 20 rotated at a high speed, effect had big centrifugal force on each several part, but owing to there is not resistance to sliding, therefore had and can revise mobile advantage smoothly.
In addition, there is proportionate relationship towards the deflection of radial deformation in ring body 50 with the power that beam portion 50 is pressurizeed.Thus, can carry out trickle control to the adjusting of the correction amount of movement of fine finishining sword 28a, 28b, can carry out the control of open loop approach by pressure control based on peripheral control unit.
In addition, in the first embodiment, pressing mechanism 32 possesses pneumatic cylinder portion 34 and hydraulic cylinder portion 36, but is not limited to this.For example, also can adopt the pressure rod of under the turning effort of motor, advancing and retreat etc.In addition, pressure medium can also use various media such as cooling agent except gas.
And, the beam portion 56 of annular resilient retainer portion 24 is pressurizeed towards arrow A 1 direction by pressing mechanism 32, but be not limited thereto, for example also can be by making the reduced of above-mentioned annular resilient retainer portion 24 towards in the opposite direction above-mentioned beam portion 56 being pressurizeed with arrow A 1 side.
Fig. 8 is the perspective illustration of annular resilient retainer portion 70 that constitutes the work mechanism of second embodiment of the present invention, and Fig. 9 is that the master of above-mentioned annular resilient retainer portion 70 looks key diagram.In addition, annular resilient retainer portion 70 replaces annular resilient retainer portion 24 to use in the work mechanism 10 of first embodiment.
Annular resilient retainer portion 70 roughly forms cylindric, and is provided with ring body 72 on base portion 48.Be formed with the 76a of tool magazine portion (installation portion), 76b and 76c in the end of the open end 24a of ring body 72 side, fine finishining sword 74a, 74b and 74c leave angle same (120 °) mutually and are installed among the 76a of tool magazine portion, 76b and the 76c in the mode of changing freely.
The 76a of tool magazine portion, 76b and 76c are integrated by the circular-arc beam portion 78 of extending towards the inside of ring body 72.Beam portion 78 can strain, when the piston rod 46a by second piston 46 axially to 78 pressurizations of this beam portion the time, the open end 24a of ring body 72 is deformed into the general triangular shape.Therefore, fine finishining sword 74a, 74b and the 74c that is installed among the 76a of tool magazine portion, 76b and the 76c is configured in the position corresponding with finished diameter towards the same size of radius outside mobile phase.
In second embodiment that constitutes by this way, when not giving plus-pressure to beam portion 78, fine finishining sword 74a, 74b and 74c for example are configured in the corresponding position with semifinishing diameter D1.On the other hand, when giving plus-pressure to beam portion 78, fine finishining sword 74a, 74b and 74c are configured in the position corresponding with finished diameter D2 towards the same size of radius outside mobile phase.
Therefore, use single annular resilient retainer portion 70 to carry out semifinishing and fine finishining, and under the position of centre of gravity with this annular resilient retainer portion 70 maintains state on the rotation, can be at knife rest 20 radially fine finishining sword 74a, 74b and 74c are carried out position adjustments (correction).Thus, can access following effect: knife rest 20 can be carried out high-precision processing operation to cylindrical shell 60 efficiently.
In addition, in second embodiment, constitute three fine finishining sword 74a, 74b and 74c are installed among three 76a of tool magazine portion, 76b and the 76c, but be not limited thereto.For example also the fine finishining sword more than four can be installed in the tool magazine portion more than four.At this moment, annular resilient retainer portion is by above polygon-shaped of pressing mechanism strain quadrangularly shape.
Claims (8)
1. a Work machine is characterized in that, described Work machine possesses:
Knife rest, it can rotate with integrated spindle axis ground;
Annular resilient retainer portion, the one end is fastened on the described knife rest, the other end forms open end, and is provided with the plural installation portion and the beam portion that is connected at least two described installation portions and extends towards the rotation side that is used to install plural instrument integratedly in described open end side; And
Pressing mechanism, it is in the axial advance and retreat of described knife rest and to the pressurization of described beam portion, thus, can maintain at position of centre of gravity under the state on the described rotation, make described open end side distortion and the distance of the described rotation of distance of at least two described instruments is regulated described annular resilient retainer portion.
2. Work machine according to claim 1 is characterized in that,
Described beam portion constitutes the circular-arc beam portion on the inwall that is connected in described installation portion, by described pressing mechanism described axially to the pressurization of described circular-arc beam portion, thus, described open end can strain be an elliptical shape.
3. Work machine according to claim 2 is characterized in that,
Described Work machine possesses:
Two first instruments, they are installed in the minor axis side that strain is the described open end of described elliptical shape; And
Two second instruments, they are installed in the major axis side of described open end.
4. Work machine according to claim 3 is characterized in that,
Described Work machine is set for: by described pressing mechanism described annular resilient retainer portion is being given under the stressed state, the diameter of the rotary track of described first instrument is bigger than the diameter of the rotary track of described second instrument.
5. Work machine according to claim 4 is characterized in that,
Described pressing mechanism utilizes fluid pressure to give plus-pressure to described annular resilient retainer portion, and, described annular resilient retainer portion is not being given under the stressed state that is produced by described fluid pressure, described first instrument and described second instrument automatically restore to the neutral position.
6. according to each the described Work machine in the claim 3～5, it is characterized in that,
Described first instrument is first process tool that the inner peripheral surface of workpiece is carried out first processing,
Described second instrument is second process tool that after described first processing described inner peripheral surface is carried out second processing.
7. Work machine according to claim 1 is characterized in that,
Described beam portion constitutes the circular-arc beam portion on the inwall that is connected described installation portion, by described pressing mechanism described axially to the pressurization of described circular-arc beam portion, thus, described open end can strain be above polygon-shaped of triangle or quadrangle shape.
8. Work machine according to claim 7 is characterized in that,
Described instrument and strain are that install accordingly in the bight of the above polygon-shaped described open end of described triangle or quadrangle shape.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007221765A JP4978912B2 (en) | 2007-07-31 | 2007-07-31 | Work machine |
| JP221765/2007 | 2007-07-31 | ||
| PCT/JP2007/075054 WO2009016777A1 (en) | 2007-07-31 | 2007-12-19 | Work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101678472A CN101678472A (en) | 2010-03-24 |
| CN101678472B true CN101678472B (en) | 2011-06-08 |
Family
ID=40304022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800531121A Expired - Fee Related CN101678472B (en) | 2007-07-31 | 2007-12-19 | Work machine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4978912B2 (en) |
| KR (1) | KR101450361B1 (en) |
| CN (1) | CN101678472B (en) |
| DE (1) | DE112007003509B4 (en) |
| WO (1) | WO2009016777A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5547920B2 (en) * | 2009-07-22 | 2014-07-16 | コマツＮｔｃ株式会社 | U-axis holder unit |
| DE102011051609A1 (en) * | 2011-07-06 | 2013-01-10 | Mauser-Werke Oberndorf Maschinenbau Gmbh | adjusting system |
| CN110270701B (en) * | 2019-06-26 | 2021-01-05 | 广东景昊智能装备制造有限公司 | Internal expansion type tool for numerical control CNC (computer numerical control) machining center |
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| CN1743111A (en) * | 2005-09-22 | 2006-03-08 | 山东大学 | Boring mill for working special-shaped curved hole |
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| ATE357305T1 (en) * | 2001-08-08 | 2007-04-15 | Johne & Co Praez Swerkzeuge Gm | MULTI-BLADE ROTARY TOOL |
| JP4216519B2 (en) | 2002-04-17 | 2009-01-28 | エヌティーエンジニアリング株式会社 | Cylinder inner surface processing method and processing apparatus |
| ATE435084T1 (en) * | 2002-05-23 | 2009-07-15 | Mapal Fab Praezision | TOOL FOR MACHINING WORKPIECES |
| DE10223687A1 (en) | 2002-05-23 | 2003-12-11 | Mapal Fab Praezision | Cutting tool for machine tool has adjuster between central tool axis and peripheral cutting edge |
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| US7090445B2 (en) * | 2005-01-18 | 2006-08-15 | Makino, Inc. | Tool with selectively-biased member |
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2007
- 2007-07-31 JP JP2007221765A patent/JP4978912B2/en not_active Expired - Fee Related
- 2007-12-19 CN CN2007800531121A patent/CN101678472B/en not_active Expired - Fee Related
- 2007-12-19 DE DE112007003509.9T patent/DE112007003509B4/en not_active Expired - Fee Related
- 2007-12-19 KR KR1020097019413A patent/KR101450361B1/en active IP Right Grant
- 2007-12-19 WO PCT/JP2007/075054 patent/WO2009016777A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095051U (en) * | 1991-07-06 | 1992-02-05 | 李世鹏 | Radial adjustable multi-edge boring cutter |
| CN1743111A (en) * | 2005-09-22 | 2006-03-08 | 山东大学 | Boring mill for working special-shaped curved hole |
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| Title |
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| JP昭60-97206U 1985.07.02 |
| JP昭63-97409U 1988.06.23 |
| JP特开2007-38361A 2007.02.15 |
| JP特开平8-39310A 1996.02.13 |
| JP特表2004-537426A 2004.12.16 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101678472A (en) | 2010-03-24 |
| JP2009034804A (en) | 2009-02-19 |
| DE112007003509B4 (en) | 2018-04-26 |
| WO2009016777A1 (en) | 2009-02-05 |
| KR20100047186A (en) | 2010-05-07 |
| JP4978912B2 (en) | 2012-07-18 |
| KR101450361B1 (en) | 2014-10-14 |
| DE112007003509T5 (en) | 2010-06-10 |
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Granted publication date: 20110608 Termination date: 20191219 |