CN101508039A - Six-axis five-linkage spiral taper gear cutting machine tool - Google Patents
Six-axis five-linkage spiral taper gear cutting machine tool Download PDFInfo
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- CN101508039A CN101508039A CNA2009100427665A CN200910042766A CN101508039A CN 101508039 A CN101508039 A CN 101508039A CN A2009100427665 A CNA2009100427665 A CN A2009100427665A CN 200910042766 A CN200910042766 A CN 200910042766A CN 101508039 A CN101508039 A CN 101508039A
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Abstract
The invention relates to a six-axis five-linkage spiral bevel gear cutting machine. A lathe bed is provided with a fixed upright post and an X-direction linear guiderail with an X-axis slipway which is driven by a driving mechanism to move along the guiderail; the X-axis slipway is provided with a rotary table and a rotary table driving mechanism; the rotary table is provided with a workpiece box with a workpiece main shaft which is driven by the driving mechanism to rotate; one lateral surface of the upright post is provided with a Y-direction linear guiderail perpendicular to the X-direction linear guiderail; the Y-direction linear guiderail is provided with a Y-axis slipway which is driven by the driving mechanism to move along the guiderail; the Y-axis slipway is provided with a Z-direction linear guiderail perpendicular to the Y-direction linear guiderail; the Z-direction linear guiderail is provided with a tool box which is driven by the driving mechanism to move along the guiderail; and the tool box is provided with a rotatable tool spindle. The six-axis five-linkage spiral bevel gear cutting machine has the advantages of simple and stable structure, good reliability, good rigidity, few parts, small occupied area, easy protection and chip removal, and convenient assembly and disassembly of workpieces and tools.
Description
Technical field
The present invention relates to numerically controlled processing equipment, further be meant the mill teeth machine and the gear grinding machines of processing spiral bevel gear.
Background technology
In the prior art, Machining Spiral Bevel Gear equipment has mechanical type hypoid generating machine and numerical-control machine tool for processing spiral bevel gear.The structure of mechanical type hypoid generating machine and adjustment link are the most complicated in the gear machine.Along with technological progress, hypoid generating machine has adopted structure shown in Figure 1, it directly controls three linear axis (being X, Y, Z axle) and three turning cylinders (being A, B, C axle) with computer, working motion that promptly can analog machine tool type hypoid generating machine, thus process spiral bevel gear.Numerical-control machine tool for processing spiral bevel gear is converted to software control with complex mechanical construction, has realized the information-based and intelligent of Machining Spiral Bevel Gear.But said structure is in the painstakingly motion of analog machine mechanical machine bed, simulates the revolution of cutter around the cage chair axis with toolbox along the interlock of X, Y-axis, and the swing that the function of tilt mechanism is changed into the B axle realizes.The effect of Numeric Control Technology is not given full play in processing like this, has following major defect:
1. on the Z axle slide unit 22 of linear axis Z direction a sector gear or a friction pulley that diameter is very big is arranged, the manufacturability of processing is bad, and friction pulley skids easily;
2. workpiece box 28 is complex-shaped, and the manufacturability of processing is bad, is difficult to guarantee machining accuracy;
3. all wt of workpiece box 28 all is pressed on sector gear or the friction pulley, and off-load is difficulty relatively;
4. the X-axis slide unit 25 of linear axis directions X is a portal frame, and the Y-axis slide unit 24 of linear axis Y direction moves both vertically on portal frame, and servomotor and hydro-cushion oil cylinder are holded up very high, protects very difficult;
5. for environmental protection and saving, the developing direction of spiral bevel gear mill teeth is for doing cutting, promptly do not add cooling fluid man-hour adding, cutting speed is very fast, and heat is taken away by smear metal, and this just requires scorching hot smear metal can not drop on the lathe bed, in order to avoid influence the thermal deformation of lathe, the device of Fig. 1 is difficult to accomplish this point;
6. machine part is many, and floor space is big, the work-handling inconvenience.
Publication number is that the patent application prospectus of CN1457279 has been put down in writing a kind of machine of producing bevel gear, this machine all is installed in cutter spindle and work spindle on the column, its structure not only causes the manufacturing cost height, and the manufacturability of assembling is bad, is difficult to guarantee machining accuracy.
In addition, the rigidity of the Machinetool workpiece case slew gear of prior art is difficult to guarantee, influences the machining accuracy of gear.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at prior art exists proposes a kind of machine tool for processing spiral taper gear with six axes, five linkage axes, and it is simple in structure, stable and reliability is high, good rigidly and floor space is little, protection and chip removal are easy, the loading and unloading of workpiece and cutter are very convenient.
Technical scheme of the present invention is, described machine tool for processing spiral taper gear with six axes, five linkage axes, lathe bed is arranged, its design feature is, the end face of described lathe bed is provided with an X of level to line slideway and vertical columns, a described X is equipped with on line slideway and can drives the X-axis slide unit that lower edge the one X moves to line slideway at driving mechanism, described X-axis slide unit is provided with the turntable and the turntable driving machine structure that can wind perpendicular to the B axle rotation of horizontal plane, the workpiece box that is fixedly mounted on the turntable is provided with the horizontal A axle that can drive turning down at driving mechanism, and this A axle one end is installed processed workpiece; One side of described column be provided with a described X to the vertical Y of line slideway to line slideway, this Y is equipped with on line slideway and can drives the Y-axis slide unit that this Y of lower edge moves to line slideway at driving mechanism; Described Y-axis slide unit is provided with the Z vertical with the Y-axis line slideway to line slideway, and this Z is equipped with on line slideway and can drives the toolbox that this Z of lower edge moves to line slideway at driving mechanism, be equipped with on the described toolbox and can produce rotating horizontal C axle under driving mechanism drives, this C axle one end is installed and is added the required cutter of work gear.
Below in conjunction with accompanying drawing the present invention is made and to further specify.
Lathe of the present invention comprises employing end face mill teeth or teeth grinding method processing spiral bevel gear, the lathe of curved tooth hypoid gear and the lathe that employing end face hobbing method is processed overlikon spiral bevel gear, cycloid tooth hypoid gear.
Know-why of the present invention is, spiral bevel gear is in process, the relative motion of cutter and workpiece is depended in the formation of its flank of tooth, and the relative position of cutter and workpiece is determined by three linear axis (X, Y, Z axle) and three turning cylinders (A, B, C axle) fully, and six setting is as long as keep cutter and workpiece can be in the relative position of any needs.The present invention determines at the various possible setting means of having studied three linear axis and three turning cylinders and after analyzing its pluses and minuses.The process of processing spiral bevel gear is on the lathe of the present invention shown in Figure 2:
1, at the C of toolbox 16 axle (cutter spindle) 17 1 end mounting cutter 18, at the A of workpiece box 10 axle (work spindle) 11 1 ends processed workpiece 12 is installed, mobile turntable 5 and the workpiece box 10 of making that computer is at first controlled slide block 7 behind the start-up routine is around angle of B axle 9 revolutions, and the size of angle of revolution is exactly the wheel blank established angle that spiral bevel gear has just begun to add man-hour;
2, computer control toolbox 16, X-axis slide unit 4 and Y-axis slide unit 14 move quickly into the original position of Gear Processing to line slideway with cutter 18 and workpiece 12 to line slideway and Y to line slideway, an X along described Z respectively, and cutter 18 is by given speed revolution and open cooling fluid;
3, under programme-control, X, Y, Z, A, B five-axle linkage make cutter and gear do the generating motion of engagement to process the flank of tooth;
4, after a teeth groove processes, toolbox 16 and X-axis slide unit 4 move behind line slideway 2 to line slideway 15 and an X along Z respectively workpiece and cutter are disengaged, the original position of gear compound graduation to the second gear teeth processing, then this X, Y, Z, A, B each under the principle that does not interfere, return to the original position of Gear Processing fast;
5, second teeth groove of processing so moves in circles, up to machining all gear teeth;
6, each all gets back to the home position, and (cleaning door is opened the back) staff takes off the gear that processes and changes workpiece to be processed;
7 if numerically controlled tooth grinding machine is also wanted trimming wheel in readiness time or process.
Lathe of the present invention has with the advantage that existing lathe is compared: removed unmanageable parts such as friction pulley, and compact conformation, easy to assembly, have good processing performance; The loading and unloading of workpiece and cutter are very convenient, and workpiece is convenient to realize the manipulator automatic loading and unloading; Equipment manufacturing cost reduction, stable performance, reliable; Make turntable drive the workpiece box revolution with toggle, have good rigidity; The smear metal of processing all drops in the chip area of workpiece below, and easy chip removal also is easy to realize do cutting; Machine part is few, and processing performance is good, and floor space is little, and protection easily.
Description of drawings
Fig. 1 is a kind of machine tool structure of prior art;
Fig. 2 is a kind of example structure schematic diagram of lathe of the present invention;
Fig. 3 is the plan structure schematic diagram of lathe shown in Figure 2.
In the accompanying drawings:
1-lathe bed; 2-the one X is to line slideway;
3-column; 4-X-axis slide unit;
5-turntable; 6-the two X is to line slideway;
7-slide block; 8-connecting rod;
9-B axle; 10-workpiece box;
11-A axle (workpiece spindle); 12-workpiece;
13-Y is to line slideway; 14-Y-axis slide unit;
15-Z is to line slideway; 16-toolbox;
17-C axle (cutter spindle); 18-cutter (cutterhead or emery wheel);
19-turntable driving machine structure; 20-chip area;
21-lathe bed; 22-Z axle slide unit;
23-B axle; 24-toolbox (Y-axis slide unit);
25-portal frame (X-axis slide unit); 26-cutter (C axle)
27-workpiece (A axle); 28-workpiece box.
The specific embodiment:
Lathe according to Fig. 2 and Fig. 3 and said structure, lathe bed 1 is arranged, described lathe bed 1 end face is provided with an X of level to line slideway 2 and vertical columns 3, a described X is equipped with on line slideway 2 and can drives the X-axis slide unit 4 that lower edge the one X moves to line slideway at driving mechanism, described X-axis slide unit 4 is provided with the turntable 5 and the turntable driving machine structure 19 that can wind perpendicular to B axle 9 rotations of horizontal plane, the workpiece box 10 that is fixedly mounted on the turntable 5 is provided with the horizontal A axle 11 that can drive turning down at driving mechanism, and an end of this A axle 11 is installed processed workpiece 12; One side of described column 3 be provided with a described X to the vertical Y of line slideway 2 to line slideway 13, this Y is equipped with on line slideway 13 and can drives the Y-axis slide unit 14 that this Y of lower edge moves to line slideway 13 at driving mechanism; Described Y-axis slide unit 14 is provided with the Z vertical with Y-axis line slideway 13 to line slideway 15, and this Z is equipped with on line slideway 15 and can drives the toolbox 16 that this Z of lower edge moves to line slideway 15 at driving mechanism, be equipped with on the described toolbox 16 and can produce rotating horizontal C axle 17 under driving mechanism drives, these C axle 17 1 ends are installed and are added the required cutter of work gear 18.
Referring to Fig. 2 and Fig. 3, a kind of structure of described turntable driving machine structure 19 is, described X-axis slide unit 4 is provided with the 2nd X to line slideway 6, the 2nd X is equipped with on line slideway 6 and can drives the slide block 7 that lower edge the 2nd X moves to line slideway at driving mechanism, the two ends of connecting rod 8 are hinged with described slide block 7 and turntable 5 respectively and constitute a slider-crank mechanism, order about described turntable 5 and workpiece box 10 around described B axle 9 revolutions by slide block 7 moving on line slideway 6.
Referring to Fig. 2, on described lathe bed 1, chip area 20 is set, the scorching hot smear metal that makes mill teeth add man-hour drops on this chip area 20 and avoids it to drop on the thermal deformation that causes lathe on the lathe bed.
Described line slideway and sliding drive mechanism adopt rolling guide and ball screw, servomotor rotates motor by direct connection or deceleration device and passes to described ball screw, drives X-axis slide unit 4, toolbox 16 and Y-axis slide unit 14 and moves (also can adopt linear electric motors directly to drive); The displacement of X-axis, Y-axis and Z axle is measured with the grating chi, closed-loop control; C axle 17 usefulness spindle motors or frequency modulation motor drive (also can adopt electric main shaft or torque motor directly to drive) by gear or belt pulley; Turntable 5 and workpiece box 10 drive with toggle indirectly around the revolution of B axle 9, its corner high accuracy grating dish mensuration, closed-loop control.11 revolutions of A axle drive or directly drive with electric motor with large torque with servomotor and worm-gears, its corner high accuracy grating dish mensuration, closed-loop control.During with end face mill teeth method processing spiral bevel gear and curved tooth hypoid gear, utilize computer directly to control X, Y, Z, A, B five-axle linkage, just can process needed gear with the processing method of various end face mill teeths.During with face Hobbing Method processing overlikon spiral bevel gear and cycloid tooth hypoid gear, workpiece spindle and cutter shaft are turned round continuously by given gearratio, be aided with the motion that other is done again, just can process needed gear with the processing method of various end face gear hobbings.
Claims (4)
1, a kind of machine tool for processing spiral taper gear with six axes, five linkage axes, lathe bed (1) is arranged, it is characterized in that, the end face of described lathe bed (1) is provided with an X of level to line slideway (2) and vertical columns (3), a described X is equipped with on line slideway (2) and can drives the X-axis slide unit (4) that lower edge the one X moves to line slideway at driving mechanism, described X-axis slide unit (4) is provided with the turntable (5) and the turntable driving machine structure (19) that can wind perpendicular to B axle (9) rotation of horizontal plane, and the workpiece box (10) that is fixedly mounted on the turntable (5) is provided with the horizontal A axle (11) that can drive turning down at driving mechanism; One side of described column (3) be provided with a described X to the vertical Y of line slideway (2) to line slideway (13), this Y is equipped with on line slideway (13) and can drives the Y-axis slide unit (14) that this Y of lower edge moves to line slideway (13) at driving mechanism; Described Y-axis slide unit (14) is provided with the Z vertical with Y-axis line slideway (13) to line slideway (15), and this Z is equipped with on line slideway (15) and can drives this Z of lower edge to the toolbox (16) that line slideway (15) moves at driving mechanism, is equipped with on the described toolbox (16) to produce rotating horizontal C axle (17) under driving mechanism drives.
2, machine tool for processing spiral taper gear with six axes, five linkage axes according to claim 1, it is characterized in that, consisting of of described turntable driving machine structure (19), described X-axis slide unit (4) is provided with the 2nd X to line slideway (6), the 2nd X is equipped with on line slideway (6) and can drives the slide block (7) that lower edge the 2nd X moves to line slideway at driving mechanism, the two ends of connecting rod (8) are hinged with described slide block (7) and turntable (5) respectively and constitute a slider-crank mechanism, order about described turntable (5) and workpiece box (10) turns round around described B axle (9) by slide block (7) the 2nd X moving on line slideway (6).
3, machine tool for processing spiral taper gear with six axes, five linkage axes according to claim 1 is characterized in that, chip area (20) is set on described lathe bed (1).
4, machine tool for processing spiral taper gear with six axes, five linkage axes according to claim 1, it is characterized in that it comprises adopts end face mill teeth or teeth grinding method processing spiral bevel gear, the lathe of curved tooth hypoid gear and the lathe that employing end face hobbing method is processed overlikon spiral bevel gear, cycloid tooth hypoid gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100427665A CN101508039B (en) | 2009-03-02 | 2009-03-02 | Six-axis five-linkage spiral taper gear cutting machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100427665A CN101508039B (en) | 2009-03-02 | 2009-03-02 | Six-axis five-linkage spiral taper gear cutting machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101508039A true CN101508039A (en) | 2009-08-19 |
| CN101508039B CN101508039B (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100427665A Expired - Fee Related CN101508039B (en) | 2009-03-02 | 2009-03-02 | Six-axis five-linkage spiral taper gear cutting machine tool |
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| WO2021000715A1 (en) * | 2019-07-01 | 2021-01-07 | 湖南中大创远数控装备有限公司 | Numerical control gear milling machine |
| CN111037319A (en) * | 2019-12-31 | 2020-04-21 | 枣庄北航机床创新研究院有限公司 | Swing type machine tool and control method thereof |
| CN111037319B (en) * | 2019-12-31 | 2021-04-30 | 枣庄北航机床创新研究院有限公司 | Swing type machine tool and control method thereof |
| CN111774632A (en) * | 2020-07-13 | 2020-10-16 | 桂林理工大学 | Six-axis linkage numerical control planing machining center and non-rotary curved surface cutter matched with same |
| CN113857587A (en) * | 2021-10-25 | 2021-12-31 | 湖南中大创远数控装备有限公司 | Numerical control spiral bevel gear lapping machine tool |
| CN114619367A (en) * | 2022-05-12 | 2022-06-14 | 海尼肯智能技术成都有限公司 | A axle mechanism that is used for combined material blade dead pixel staggered floor equipment of polishing |
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