CN105499611A - Boring and turning combined machining spindle unit and method - Google Patents
Boring and turning combined machining spindle unit and method Download PDFInfo
- Publication number
- CN105499611A CN105499611A CN201610101527.2A CN201610101527A CN105499611A CN 105499611 A CN105499611 A CN 105499611A CN 201610101527 A CN201610101527 A CN 201610101527A CN 105499611 A CN105499611 A CN 105499611A
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- Prior art keywords
- boring
- cutter
- spline
- car
- worm screw
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
Abstract
The invention relates to a boring and turning combined machining spindle unit, comprising a spindle box (4), a taper shank (3), an internal bevel gear external spline bushing (13) and a spline bore eccentric external spindle (5); the internal bevel gear external spline bushing (13) and the spline bore eccentric external spindle (5) are in sliding fit through splines and rotate with a worm internal spindle (6); the internal bevel gear external spline bushing (13) and the worm internal spindle (6) are axially and radially supported by a first bearing (7) and a fourth bearing (16), the spline bore eccentric external spindle (5) is radially and axially supported by a second bearing (8) and a third bearing (15), a tool bar (17) in the worm internal spindle (6) is provided with a cylinder boring tool (1), a spigot boring tool (2) and a spigot end turning tool (18), the cylinder boring tool (1) and the spigot boring tool (2) are arranged on the same side, and the spigot end turning tool (18) is disposed on the different side. The boring and turning combined machining spindle unit has the advantages that this unit may replace a traditional spindle unit that is a machining mode requiring one tool and replace an orifice end or countersink bottom boring and milling mode, and machining efficiency, machining precision, machining stability, tool lives and the like can be improved.
Description
Technical field
The invention belongs to numerical control mill boring machining center field, particularly relate to a kind of boring car combined machining spindle unit.
Background technology
The function of high-grade lathe particularly high-grade, digitally controlled machine tools is a kind of trend to Composite future development, there is the multi-functional composite processing machine tool such as turning-milling complex processing, milling car Compound Machining, vertical sleeping conversion five processing, but these high-grade lathes are all under workpiece clamped one time, the processing of different modes is realized by changing different cutters, a kind of processing mode needs one corresponding cutter is completed, and tool change time is reorientated after affecting working (machining) efficiency, tool changing affects machining accuracy etc.The boring car combined machining spindle unit of the invention, with a gang tool, the turnery processing of the Boring of corresponding cutter head, aperture end face or counterbore baseplane can be realized, eliminate tool change time, the flat-bottomed cutter boring processing mode of aperture end face or counterbore baseplane is improved to turnery processing mode, working (machining) efficiency, machining accuracy, processing stability and cutter life etc. can significantly improve, meaningful to the development of propelling equipment manufacture.
Summary of the invention
The object of the invention is with one gang tool, realize the turnery processing of the Boring of corresponding cutter head, aperture end face or counterbore baseplane, replace a kind of processing mode of conventional master spindle unit to need one the processing mode of cutter, replace aperture end face or counterbore baseplane boring processing mode, improve working (machining) efficiency, machining accuracy, processing stability and cutter life etc., be in particular the hole systems such as such as IC engine airframe sleeve port and provide a kind of boring car combined machining spindle unit, for high-end numerical control machine provides a kind of Compound Machining new method.
The technical scheme realizing above-mentioned purpose is a kind of boring car combined machining spindle unit, comprises main spindle box, taper shank, internal helical gear external splines cover and the outer main shaft of spline inner eccentric holes; Internal helical gear external splines cover and the outer main shaft of spline inner eccentric holes are coordinated by spline slide, and turn round with worm screw inner main axis; Internal helical gear external splines cover and worm screw inner main axis are supported by clutch shaft bearing and the 4th bearing axial-radial, the outer main shaft of spline inner eccentric holes is supported by the second bearing and the 3rd bearing radial-axial, knife bar in worm screw inner main axis is provided with boring cutter, boring to predetermined accurate depth cutter and car seam end face cutter, boring cutter and boring to predetermined accurate depth cutter are arranged in homonymy, and car seam end face cutter is arranged in heteropleural.
Further, there is eccentric distance e in the outer main shaft of spline inner eccentric holes and worm screw inner main axis, eccentric distance e is greater than the boring to predetermined accurate depth cutter of 1/2nd and the semidiameter of boring cutter.
Further, boring to predetermined accurate depth cutter is equal with the back engagement of the cutting edge of car seam end face cutter with the height and position difference of car seam end face cutter.
A processing method for boring car combined machining spindle unit, boring cutter and boring to predetermined accurate depth cutter are positioned at the maximum eccentric place of the outer main shaft of spline inner eccentric holes, and the outer main shaft of spline inner eccentric holes drives worm screw inner main axis to carry out Boring by internal helical gear external splines cover; Then car seam end face, powered internal helical gear external splines cover moves down, force in the process of worm screw inner main axis and handle of a knife rotation 180 °, car seam end face cutter, while the outer spindle eccentricity distance of spline inner eccentric holes increases gradually, continues rotating vehicle seam end face cutter; The outer main shaft of last spline inner eccentric holes and the stall of worm screw inner main axis, after Z-direction cutter lifting, car seam end face cutter depart from seam hole, allow pushing sleeve lose thrust, made by Compress Spring internal helical gear external splines cover move round about, worm screw inner main axis reverses 180 ° and resets, Z-direction continues cutter lifting to requiring height simultaneously, completes fabrication cycles.
The present invention has following beneficial effect:
(1) under or rotation status static at main shaft, under Z axis location or feed motion state, can centre-to-centre spacing in limited range inside and outside flexible continuous setup between double-deck main shaft, and during this centre-to-centre spacing of adjustment, do not move to axial between inside and outside double-deck main shaft, there is eccentric radial rotating function.
(2) during the feeding of Z axis both forward and reverse directions, gang tool can carry out Boring and the axial tool backlash movement of bore hole;
(3) during inside and outside double-deck main shaft continuous setup centre-to-centre spacing, the relevant cutter head on gang tool can carry out turnery processing and the radial tool backlash movement of turning;
(4) according to technological requirement, Boring and turnery processing can overlap carry out, and also can carry out sequentially;
(5) change the knife bar of different cutter head combining form manually or automatically, can complete degree of depth boring and milling and the facing processing of various ways hole system, the positional precision in end face and hole may reach main shaft bearing precision used;
(6) the main axle unit alignment placement of multiple the invention, boring car Compound Machining while can carrying out multiple hole, working (machining) efficiency is higher, precision is high and stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is bore hole schematic diagram;
Fig. 3 is car seam end view;
In figure: 1. boring cutter; 2. boring to predetermined accurate depth cutter; 3. taper shank; 4. main spindle box; 5. the outer main shaft of spline inner eccentric holes; 6. worm screw inner main axis; 7. clutch shaft bearing; 8. the second bearing; 9. Compress Spring; 10. pushing sleeve; 13. internal helical gear external splines covers; 15. the 3rd bearings; 16. the 4th bearings; 17. handle of a knifes; 18. car seam end face cuttves.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
As shown in Fig. 1 ~ 2: the technical scheme realizing above-mentioned purpose is a kind of boring car combined machining spindle unit, comprise main spindle box 4, taper shank 3, internal helical gear external splines cover 13 and the outer main shaft 5 of spline inner eccentric holes; Internal helical gear external splines cover 13 and the outer main shaft 5 of spline inner eccentric holes are coordinated by spline slide, and turn round with worm screw inner main axis 6; Internal helical gear external splines cover 13 and worm screw inner main axis 6 are supported by clutch shaft bearing 7 and the 4th bearing 16 axial-radial, the outer main shaft 5 of spline inner eccentric holes is supported by the second bearing 8 and the 3rd bearing 15 radial-axial, knife bar 17 in worm screw inner main axis 6 is provided with boring cutter 1, boring to predetermined accurate depth cutter 2 and car seam end face cutter 18, boring cutter 1 and boring to predetermined accurate depth cutter 2 are arranged in homonymy, and car seam end face cutter 18 is arranged in heteropleural.
Further, there is eccentric distance e in the outer main shaft 5 of spline inner eccentric holes and worm screw inner main axis 6, eccentric distance e is greater than the boring to predetermined accurate depth cutter 2 of 1/2nd and the semidiameter of boring cutter 1.
Further, boring to predetermined accurate depth cutter 2 is equal with the back engagement of the cutting edge of car seam end face cutter 18 with the height and position difference of car seam end face cutter 18.
A processing method for boring car combined machining spindle unit, it comprises step:
The first step: boring cutter 1 and boring to predetermined accurate depth cutter 2 are positioned at the maximum eccentric place of the outer main shaft 5 of spline inner eccentric holes, the outer main shaft 5 of spline inner eccentric holes drives worm screw inner main axis 6 to carry out Boring by internal helical gear external splines cover 13;
Second step: car seam end face after said first step, powered internal helical gear external splines cover 13 moves down, force in the process of worm screw inner main axis 6 and handle of a knife 17 rotation 180 °, car seam end face cutter 18, while outer main shaft 5 eccentric throw of spline inner eccentric holes increases gradually, continues rotating vehicle seam end face cutter 18;
3rd step: after described second step, the outer main shaft 5 of spline inner eccentric holes and worm screw inner main axis 6 stall, after Z-direction cutter lifting, car seam end face cutter 18 depart from seam hole, allow pushing sleeve 10 lose thrust, made by Compress Spring 9 internal helical gear external splines cover 13 move round about, worm screw inner main axis 6 reverses 180 ° and resets, Z-direction continues cutter lifting to requiring height simultaneously, completes fabrication cycles.
Claims (3)
1. a boring car combined machining spindle unit, comprises the outer main shaft (5) of main spindle box (4), taper shank (3), internal helical gear external splines cover (13) and spline inner eccentric holes; Internal helical gear external splines cover (13) and the outer main shaft (5) of spline inner eccentric holes are coordinated by spline slide, and turn round with worm screw inner main axis (6); Internal helical gear external splines cover (13) and worm screw inner main axis (6) are supported by clutch shaft bearing (7) and the 4th bearing (16) axial-radial, the outer main shaft (5) of spline inner eccentric holes is supported by the second bearing (8) and the 3rd bearing (15) radial-axial, it is characterized in that: the knife bar (17) in worm screw inner main axis (6) is provided with boring cutter (1), boring to predetermined accurate depth cutter (2) and car seam end face cutter (18), boring cutter (1) and boring to predetermined accurate depth cutter (2) are arranged in homonymy, and car seam end face cutter (18) is arranged in heteropleural.
2. a kind of boring car combined machining spindle unit according to claim 1, it is characterized in that: the outer main shaft (5) of spline inner eccentric holes and worm screw inner main axis (6) exist eccentric distance e, and eccentric distance e is greater than the boring to predetermined accurate depth cutter (2) of 1/2nd and the semidiameter of boring cutter (1).
A kind of boring car combined machining spindle unit according to claim 2, is characterized in that: boring to predetermined accurate depth cutter (2) is equal with the back engagement of the cutting edge of car seam end face cutter (18) with the height and position difference of car seam end face cutter (18).
3. adopt the processing method according to a kind of boring car combined machining spindle unit according to claim 3, it comprises step:
The first step: boring cutter (1) and boring to predetermined accurate depth cutter (2) are positioned at the maximum eccentric place of the outer main shaft (5) of spline inner eccentric holes, the outer main shaft (5) of spline inner eccentric holes drives worm screw inner main axis (6) to carry out Boring by internal helical gear external splines cover (13);
Second step: car seam end face after said first step, powered internal helical gear external splines cover (13) moves down, force in the process of worm screw inner main axis (6) and handle of a knife (17) rotation 180 °, car seam end face cutter (18), while outer main shaft (5) eccentric throw of spline inner eccentric holes increases gradually, continues rotating vehicle seam end face cutter (18);
3rd step: after described second step, the outer main shaft (5) of spline inner eccentric holes and worm screw inner main axis (6) stall, after Z-direction cutter lifting, car seam end face cutter (18) depart from seam hole, pushing sleeve (10) is allowed to lose thrust, by Compress Spring (9), internal helical gear external splines cover (13) to be moved round about, worm screw inner main axis (6) reversion 180 ° of resets, Z-direction continues cutter lifting to requiring height simultaneously, completes fabrication cycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101527.2A CN105499611A (en) | 2016-02-24 | 2016-02-24 | Boring and turning combined machining spindle unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101527.2A CN105499611A (en) | 2016-02-24 | 2016-02-24 | Boring and turning combined machining spindle unit and method |
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| Publication Number | Publication Date |
|---|---|
| CN105499611A true CN105499611A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610101527.2A Pending CN105499611A (en) | 2016-02-24 | 2016-02-24 | Boring and turning combined machining spindle unit and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231863A (en) * | 2021-04-16 | 2021-08-10 | 广州市昊志机电股份有限公司 | Electric spindle boring cutter connecting structure, electric spindle and machine tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009233786A (en) * | 2008-03-27 | 2009-10-15 | Minoru Kanematsu | Spindle unit allowing both spindle for tool and spindle for chuck to be attached thereto |
| CN201333532Y (en) * | 2009-01-06 | 2009-10-28 | 常州机电职业技术学院 | Compound spindle mechanism for air cylinder body cylinder-liner spigot boring lathe |
| CN203565884U (en) * | 2013-11-14 | 2014-04-30 | 天津第一机床总厂 | Tool spindle device of numerical control spiral bevel gear milling machine |
| CN203635941U (en) * | 2013-12-06 | 2014-06-11 | 中捷机床有限公司 | Spindle structure of numerical-control planing bench type milling and boring machining center |
| CN205437169U (en) * | 2016-02-24 | 2016-08-10 | 常州机电职业技术学院 | Boring car combined machining main shaft unit |
-
2016
- 2016-02-24 CN CN201610101527.2A patent/CN105499611A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009233786A (en) * | 2008-03-27 | 2009-10-15 | Minoru Kanematsu | Spindle unit allowing both spindle for tool and spindle for chuck to be attached thereto |
| CN201333532Y (en) * | 2009-01-06 | 2009-10-28 | 常州机电职业技术学院 | Compound spindle mechanism for air cylinder body cylinder-liner spigot boring lathe |
| CN203565884U (en) * | 2013-11-14 | 2014-04-30 | 天津第一机床总厂 | Tool spindle device of numerical control spiral bevel gear milling machine |
| CN203635941U (en) * | 2013-12-06 | 2014-06-11 | 中捷机床有限公司 | Spindle structure of numerical-control planing bench type milling and boring machining center |
| CN205437169U (en) * | 2016-02-24 | 2016-08-10 | 常州机电职业技术学院 | Boring car combined machining main shaft unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231863A (en) * | 2021-04-16 | 2021-08-10 | 广州市昊志机电股份有限公司 | Electric spindle boring cutter connecting structure, electric spindle and machine tool |
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Application publication date: 20160420 |