CN101342614A - Finger cutter type helical bevel gear processing device - Google Patents
Finger cutter type helical bevel gear processing device Download PDFInfo
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- CN101342614A CN101342614A CNA2008101408830A CN200810140883A CN101342614A CN 101342614 A CN101342614 A CN 101342614A CN A2008101408830 A CNA2008101408830 A CN A2008101408830A CN 200810140883 A CN200810140883 A CN 200810140883A CN 101342614 A CN101342614 A CN 101342614A
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Abstract
The invention discloses a finger-like milling cutter type machining device of spiral bevel gear comprising a machine body (5). The two sides of the body (5) are respectively provided with a space-adjustable workpiece box component and a cutting tool box component. The workpiece box component comprises a workpiece box (2), a workpiece spindle (14) and a driving mechanism for the workpiece spindle. The cutting tool box component comprises a spindle of cutting tool for driving the finger-like milling cutter to rotate and a driving mechanism of the spindle of cutting tool. The workpiece box (2) rotates around the vertical axis Y and is positioned on the machine body (5). The workpiece box (2) is provided with a positioning device for fixing and positioning the machine body (5). The cutting tool box also comprises a cutting tool base (16) which is positioned on the machine body (5), and a cutting tool feeding skid (19) which is movably positioned a X-directional straight guide rail (6) on the cutting tool base (6). The cutting tool spindle is positioned on the cutting tool feeding skid (19) which connects the feed driving mechanism. The finger-like milling cutter type machining device of spiral bevel gear has the advantages of short transmission chain, not requiring the mechanical transmission, high accuracy and good flexibility of program control.
Description
Technical field
The present invention relates to the numerically controlled processing equipment of gear, especially a kind of helical bevel gear processing device that uses finger cutter.
Background technology
The CNC milling machine of existing processing spiral bevel gear is the cutter head type CNC milling machine, the patent No. is 03118143 patent of invention: disclose a kind of this class CNC milling machine in the spiral bevel gear six-processing device, be provided with the driving arrangement of workpiece box and toolbox and two tanks on the lathe bed of this milling machine relatively, the cutter that uses is the disc type milling cutter, the driving arrangement of workpiece box and toolbox is: X, Y, the line slideway and the A of three directions of Z, B, the rotating shaft of three directions of C, by computer-controllable system X, Y, the motion and the A of three line slideways of Z, B, the rotation of three axles of C realizes the relative motion of workpiece and cutter, thus the moulding flank of tooth.Such cutter head type CNC milling machine needs six-axis linkage man-hour adding, and drive disk assembly is more, interaction relation is complicated, so complex structure, and it is many to adjust link, and the operating process trouble directly has influence on the productivity ratio and the crudy of gear; In addition, be subjected to all restrictions of lathe space, lathe rigidity, cutterhead material property, processing technology, the specification of disc type milling cutter can not infinitely enlarge with the expansion of gear set specifications, and the range of work of cutter head type CNC milling machine particularly is subjected to the serious restriction of cutterhead specification when the machining large gear.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, few, easy-operating finger cutter type helical bevel gear processing device of adjustment link.
Technical scheme of the present invention is: finger cutter type helical bevel gear processing device, comprise lathe bed, the both sides of lathe bed are equipped with adjustable workpiece box assembly of spacing and toolbox assembly respectively, the workpiece box assembly comprises workpiece box, the work spindle and the work spindle driving mechanism of the driving workpiece rotation that is provided with on the workpiece box, the toolbox assembly comprises cutter spindle and the cutter spindle driving mechanism that drives the rotation of shaping finger cutter, it is characterized in that: described workpiece box rotates around vertical Y-axis and is assemblied on the lathe bed, workpiece box is provided with the positioner that is used for the lathe bed stationary positioned, the toolbox assembly also comprises cutter base and tool feeding slide unit, the cutter base is provided with vertical with the vertical Y-axis of workpiece box, process the X of direction of feed extension to line slideway along the shaping finger cutter, the tool feeding slide unit is slidedly assemblied in X on line slideway, described cutter spindle is installed on the tool feeding slide unit, be connected with on the tool feeding slide unit and drive the feeding driving mechanism that the tool feeding slide unit moves to line slideway along X, described feeding driving mechanism comprises the tool feeding servomotor and the transmission mechanism between tool feeding servomotor and tool feeding slide unit of being in transmission connection.
Described lathe bed surface be provided with X to the vertical Z of line slideway to the straight line chute, the cutter base is slidedly assemblied in this Z on the straight line chute.
Described work spindle driving mechanism is decelerator, the input/go out end to constitute with the Worm and worm-wheel gearing that decelerator and work spindle are in transmission connection respectively that is in transmission connection by servomotor, with servomotor.
The transmission mechanism structure that is connected between tool feeding servomotor and the tool feeding slide unit in the described feeding driving machine is the feed screw nut transmission mechanism.
One end of described work spindle is fixed with the workpiece floral disc that is used for fixing workpiece in the workpiece box outside.
Cutter of the present invention adopts the moulding finger cutter, when adding work gear, two-axle interlocking by the servomotor of computer control work spindle driving mechanism, tool feeding driving mechanism is realized cutting, compare with existing cutter head type CNC milling machine, cancelled the adjustment link that all machineries are provided with, realize two-axle interlocking by computer control, finish the total movement in the mill teeth process, cancelled the dish milling cutter,, finished the processing of teeth groove by shaping finger cutter replacement dish milling cutter.Therefore, it has simple in structure, good rigidly, and driving-chain is short and need not mechanical linkage, the precision height, the programme-control flexibility is good, adjusts simply series of advantages such as efficient height.
Adopt the shaping finger cutter, compare with facing cutter and have the following advantages: (1) cutter expense is low; (2) use number of cutters few; (3) cutter structure is simple; Calculate the width of the large, medium and small end tooth groove of gear, make the point diameter of shaping finger cutter with minimum dimension, so, the gear of processing different moduluses, the different numbers of teeth just designs the shaping finger cutter different with manufacturing, but every kind of product is only manufactured 1, and it is many that product lot quantity is greatly then made number of cutters.The sharpening of cutter is simple with check, does not need special equipment, and the general tool grinding machine is just passable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a drive mechanism schematic diagram of the present invention;
Fig. 3 is the structural representation of the used finger-like form cutter of the present invention.
The specific embodiment
As Fig. 1, shown in Figure 2, milling machine of the present invention comprises lathe bed 5, the both sides of lathe bed 5 are equipped with workpiece box 2 and cutter base 16 respectively, workpiece box 2 rotates and is assemblied on the lathe bed 5, the rotating shaft that workpiece box 2 is centered on is vertical Y-axis, workpiece box 2 is provided with the bolt 18 that is used for lathe bed 5 stationary positioned, be rotatably equipped with work spindle 14 in the workpiece box 2, work spindle 14 two ends stretch out respectively workpiece box 2 before, outside the rear cabinet face, one end of work spindle 14 is fixedly connected with the workpiece floral disc 11 that is used for fixing workpiece in the preceding case face outside of workpiece box 2, the other end of work spindle 14 is fixed with worm gear 1 in the workpiece box 2 rear cabinet faces outside, worm gear 1 below is provided with the worm screw 15 that is in transmission connection with worm gear 1, the end of worm screw 15 is in transmission connection with the decelerator 4 that is fixed on workpiece box 2 base plates, and the input of decelerator 4 is connected with servomotor 3.When work, raise clothes motor 3 rotatable drive decelerators 4, decelerator 4 outputs drive worm screw 15, worm gear 1, and worm gear 1 drives work spindle 14 and 11 rotations of workpiece floral disc, realizes rotatablely moving of workpiece.Cutter base 16 and workpiece box 2 relative putting, lathe bed 5 is provided with the Z of adjusting cutter base 16 and workpiece box 2 spacings to straight line chute 17, cutter base 16 is slidedly assemblied on the lathe bed 5 to straight line chute 17 by Z, and use bolting, the end face of cutter base 16 is fixed with X to line slideway 6, X is vertical to straight line chute 17 with Z to line slideway 6, X slidable fit on line slideway 6 has tool feeding slide unit 19, be fixed with on the tool feeding slide unit 19 and drive the cutter spindle gearbox 13 that cutter 10 rotates, cutter spindle drive motors 20 is housed on the cutter spindle gearbox 13, tool feeding slide unit 19 bottoms are connected with and drive the screw-nut body 7 that tool feeding slide unit 19 moves to line slideway 6 along X, one end of the leading screw of this screw-nut body 7 and feeding decelerator 12 transmission links that are fixed on the cutter base 16, decelerator 12 is driven by leading screw drive motors 8.
Process of the present invention: workpiece floral disc 11 at first is installed on workpiece box 2, select suitable cutter 10 according to the workpiece parameter, cutter 10 is installed on the main shaft output of shaft transmission 13, the correct position that mobile then cutter base 16 makes cutter 10 arrive feed is fixed on cutter base 16 on the lathe bed 5 again, the turning of work piece case 2 then, the centering workpiece end face, make the angle of workpiece end face and cutter 10 just in time equal the root angle that need are processed the flank of tooth, by set bolt 18 workpiece box 2 is fixed on the lathe bed 5 again.After the position adjustment of cutter base 16 and workpiece box 2 finishes, to control system input workpiece parameter, press start button then, the central processing unit of control system is according to the equation of locus that presets, calculate the relative position of each moving component, send instruction to servomotor 3 and leading screw drive motors 8, servomotor 3 drives workpiece floral disc 11 around work spindle 14 rotations, leading screw drive motors 8 drives tool feeding slide unit 19 and moves to line slideway 6 along X, a cutting circulation beginning, after tooth cutting is finished, the leading screw drive motors 8 motionless neutral positions that are parked in, servomotor 3 drives 11 rotations of workpiece floral disc makes workpiece turn to next tooth, another cutting circulation beginning, and the whole gear teeth cuttings on workpiece finish.
Claims (5)
1, finger cutter type helical bevel gear processing device, comprise lathe bed (5), the both sides of lathe bed (5) are equipped with adjustable workpiece box assembly of spacing and toolbox assembly respectively, the workpiece box assembly comprises workpiece box (2), workpiece box (2) is gone up the work spindle (14) and the work spindle driving mechanism of the driving workpiece rotation that is provided with, the toolbox assembly comprises cutter spindle and the cutter spindle driving mechanism that drives the rotation of shaping finger cutter, it is characterized in that: described workpiece box (2) rotates around vertical Y-axis and is assemblied on the lathe bed (5), workpiece box (2) is provided with the positioner that is used for lathe bed (5) stationary positioned, the toolbox assembly also comprises cutter base (16) and tool feeding slide unit (19), cutter base (16) is provided with vertical with the vertical Y-axis of workpiece box (2), process the X of direction of feed extension to line slideway (6) along the shaping finger cutter, tool feeding slide unit (19) is slidedly assemblied in X on line slideway (6), described cutter spindle is installed on the tool feeding slide unit (19), be connected with on the tool feeding slide unit (19) and drive the feeding driving mechanism that tool feeding slide unit (19) moves to line slideway (6) along X, described feeding driving mechanism comprises tool feeding servomotor (8) and the transmission mechanism between tool feeding servomotor (8) and tool feeding slide unit (19) of being in transmission connection.
2, gear machining equipment according to claim 1 is characterized in that: described lathe bed (5) surface be provided with X to the vertical Z of line slideway (6) to straight line chute (17), cutter base (16) is slidedly assemblied in this Z on straight line chute (17).
3, gear machining equipment according to claim 1 and 2 is characterized in that: described work spindle driving mechanism is the decelerator (4) that is in transmission connection by servomotor (3), with servomotor (3), import/go out the Worm and worm-wheel gearing formation that end is in transmission connection with decelerator (4) and work spindle (14) respectively.
4, gear machining equipment according to claim 3 is characterized in that: the transmission mechanism structure that is connected between tool feeding servomotor (8) and the tool feeding slide unit (19) in the described feeding driving machine is the feed screw nut transmission mechanism.
5, gear machining equipment according to claim 4 is characterized in that: an end of described work spindle (14) is fixed with the workpiece floral disc (11) that is used for fixing workpiece in workpiece box (2) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101408830A CN101342614A (en) | 2008-08-01 | 2008-08-01 | Finger cutter type helical bevel gear processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101408830A CN101342614A (en) | 2008-08-01 | 2008-08-01 | Finger cutter type helical bevel gear processing device |
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| Publication Number | Publication Date |
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| CN101342614A true CN101342614A (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101408830A Pending CN101342614A (en) | 2008-08-01 | 2008-08-01 | Finger cutter type helical bevel gear processing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371403A (en) * | 2011-07-25 | 2012-03-14 | 苏州利德纺织机件有限公司 | Machining method of worm by milling instead of turning and implementation device thereof |
| CN103182564A (en) * | 2013-03-25 | 2013-07-03 | 北京工商大学 | Turning-milling linkage machining method of large-pitch worm |
| CN104690368A (en) * | 2015-03-19 | 2015-06-10 | 柳州市永益机械制造有限公司 | Spiral gear processing method |
| CN104874865A (en) * | 2014-12-13 | 2015-09-02 | 余姚市庆达机械有限公司 | Generating machining tool for star wheel teeth of single-screw air compressors |
| CN108380984A (en) * | 2018-05-09 | 2018-08-10 | 浙江柏思达齿轮股份有限公司 | The device and processing method finished to the cone rear flank of bevel gear |
| CN111097974A (en) * | 2019-12-27 | 2020-05-05 | 湖南工业大学 | Method for generating and machining spiral internal gear by using theoretical error-free finger-shaped cutter |
-
2008
- 2008-08-01 CN CNA2008101408830A patent/CN101342614A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371403A (en) * | 2011-07-25 | 2012-03-14 | 苏州利德纺织机件有限公司 | Machining method of worm by milling instead of turning and implementation device thereof |
| CN103182564A (en) * | 2013-03-25 | 2013-07-03 | 北京工商大学 | Turning-milling linkage machining method of large-pitch worm |
| CN103182564B (en) * | 2013-03-25 | 2016-03-02 | 北京工商大学 | A kind of turnning and milling linkage motion cutting method of coarse pitch worm screw |
| CN104874865A (en) * | 2014-12-13 | 2015-09-02 | 余姚市庆达机械有限公司 | Generating machining tool for star wheel teeth of single-screw air compressors |
| CN104690368A (en) * | 2015-03-19 | 2015-06-10 | 柳州市永益机械制造有限公司 | Spiral gear processing method |
| CN108380984A (en) * | 2018-05-09 | 2018-08-10 | 浙江柏思达齿轮股份有限公司 | The device and processing method finished to the cone rear flank of bevel gear |
| CN111097974A (en) * | 2019-12-27 | 2020-05-05 | 湖南工业大学 | Method for generating and machining spiral internal gear by using theoretical error-free finger-shaped cutter |
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Open date: 20090114 |