CN103406601A - Vertical-type five-shaft linkage gear hobbing machine tool - Google Patents
Vertical-type five-shaft linkage gear hobbing machine tool Download PDFInfo
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- CN103406601A CN103406601A CN2013102990694A CN201310299069A CN103406601A CN 103406601 A CN103406601 A CN 103406601A CN 2013102990694 A CN2013102990694 A CN 2013102990694A CN 201310299069 A CN201310299069 A CN 201310299069A CN 103406601 A CN103406601 A CN 103406601A
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Abstract
The invention provides a vertical-type five-shaft linkage gear hobbing machine tool which comprises a machine frame. A hobbing head is arranged on the machine frame through a stand column. A hobbing cutter is arranged on the hobbing head. A first servo motor is connected with the hobbing cutter. A second servo motor is connected with the stand column. A working table is arranged on the machine frame through a bracket. A third servo motor used for driving a gear blank of a workpiece to be machined to rotate around an axis of the gear blank is arranged on the working table. A fourth servo motor is connected with the working table. A fifth servo motor is connected with the bracket. The axis of the gear blank of the workpiece to be machined is perpendicular to the horizontal plane of the working table. According to the vertical-type five-shaft linkage gear hobbing machine tool, the defects in the prior art are overcome, a non-circular gear can be efficiently machined in a high-precision mode, and the vertical-type five-shaft linkage gear hobbing machine tool is applicable to machining of the medium-size or small-size non-circular gear or skewed-tooth non-circular gear hobbing.
Description
Technical field
The present invention relates to a kind of vertical five axle gear hobbing machining tool, belong to gear hobbing machining tool technical field.
Background technology
Known, the current domestic numerical control gear hobbing machining tool that real professional High-efficient Production non-circular gear is not also arranged, now the general many employing lines of processing of non-circular gear cut or the processing of digital control gear shaper bed, for the non-circular gear that precision is not high, also can process and obtain by the method for approximate mill teeth, but these processing method efficiency are all not high, precision is also limited, and can not process the helical teeth non-circular gear.The consideration of the aspects such as the raising aspects such as transmission stability, low noise required along with the modern mechanical industry and rapid Design, helical teeth non-circular gear advantage in these areas just more and more is subject to concern and the attention of Chinese scholars, its application is also more and more extensive, therefore, the machining tool that can produce in a large number the helical teeth non-circular gear has also been proposed to active demand.
Existing helical teeth non-circular gear hobbing method for processing mainly contains four-axle linked hobbing method for processing and five-axle linkage hobbing method for processing, wherein four-axle linked hobbing method for processing is because hobboing cutter cutting in its process changes large, process hobboing cutter length and axially larger feed displacement that same helical teeth non-circular gear need to be longer than five-axle linkage, therefore be suitable for processing small-sized helical teeth non-circular gear.Five-axle linkage processing is not subjected to that four-axle linked gear hobbing processing hobboing cutter length, cutting output change greatly, the restriction such as axial feed displacement more greatly, so it is particularly suitable for machining large helical teeth non-circular gear.
The gear hobbing lathe can be divided into horizontal and vertical two large classes by its structural configuration, and generally speaking, vertical gear-hobbing machine is the support of support due to the workpiece gravity direction, so its stressed gear hobbing processing that is suitable for well machining large and heavy-duty gear; Horizontal hobbing machine mainly by axle radial force carry out the weight of support teeth base, when large, axle is stressed large due to workpiece, axially yielding, therefore be not suitable with the machining large gear, but its flexible structure is light, response is fast, cheap so be particularly suitable for the processing of miniature gear.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of energy high efficiency, processes accurately the vertical five axle gear hobbing machining tool of non-circular gear.
In order to solve the problems of the technologies described above, technical scheme of the present invention is to provide a kind of vertical five axle gear hobbing machining tool, it is characterized in that: comprise frame, hob head is located on frame by column, hob head is provided with hobboing cutter, and the first servomotor connects hobboing cutter, and the second servomotor connects column; Workbench is located on frame by carriage, around the 3rd servomotor from the axle rotation, is located at workbench be used to driving workpiece to be processed tooth base, the 4th servomotor connecting working table, and the 5th servomotor connects carriage; Workpiece to be processed tooth base axis is vertical with the driving water plane.
Preferably, between described the second servomotor and column, be connected by ball screw.
Preferably, between described the 4th servomotor and workbench, be connected by ball screw.
Preferably, between described the 5th servomotor and carriage, be connected by ball screw.
During a kind of vertical five axle gear hobbing machining tool work provided by the invention, the first driven by servomotor hobboing cutter is around from axle, rotating; The second servomotor drives ball screw and drives column, and the motion of column drives the hob head motion makes hobboing cutter along tooth base axial feed; The 3rd driven by servomotor tooth base is around from axle, rotating; The 4th driven by servomotor workbench, change the tooth of installing on workbench Pi Yanqi center and hobboing cutter center; The 5th driven by servomotor ball screw, on ball screw, travelling nut and carriage connect into an integral body, thereby drive movement of bracket, and workbench is along the tangential motion of tooth base.
Device provided by the invention has overcome the deficiencies in the prior art, can high efficiency, process non-circular gear accurately, and all applicable to the processing of median size type, small-sized non-circular gear or the gear hobbing of helical teeth non-circular gear.
The accompanying drawing explanation
Fig. 1 is vertical five axle gear hobbing machining tool schematic diagram provided by the invention;
Fig. 2 is the digital control system schematic diagram that vertical five axle gear hobbing machining tool provided by the invention adapts to protruding pitch curve helical teeth non-circular gear numerical control gear hobbing processing.
The specific embodiment
For the present invention is become apparent, hereby with a preferred embodiment, and coordinate accompanying drawing to be described in detail below.
Fig. 1 is vertical five axle gear hobbing machining tool schematic diagram provided by the invention, described vertical five axle gear hobbing machining tool comprises frame 10, hob head is arranged on frame 10 by column 8, hob head with column 8 for being fixedly connected with, hobboing cutter 2 is housed on hob head, the first servomotor 3 connects hobboing cutter 2, the second servomotors 4 and connects column 8, and whole column partly is arranged in frame 10 1 sides; Carriage 6 is arranged on opposite side on frame 10, and workbench is arranged on carriage 6, around the 3rd servomotor 5 from the axle rotation, is contained in workbench be used to driving workpiece to be processed tooth base 1, the 4th servomotor 7 connecting working tables, and the 5th servomotor 9 connects carriage 6.Angle beta ± λ is hobboing cutter 2 established angles, need determine concrete "+" or "-" symbol according to actual processing method.
Tooth base 1 is arranged on workbench, tooth base 1 be installed as vertical mounting means, namely tooth base 1 axis is vertical with the driving water plane.
The first servomotor 3 drives hobboing cutter 2 around from axle, rotating; The second servomotor 4 drives ball screw and drives column 8, and the motion of column 8 drives the hob head motion makes hobboing cutter 2 along tooth base 1 axial feed; The 3rd servomotor 5 driving gear bases 1 are around from axle, rotating; The 4th servomotor 7 drives workbench, and the tooth of installing on workbench base 1 Yan Qi center and hobboing cutter 2 centers are changed; The 5th servomotor 9 drives ball screw, and on ball screw, travelling nut and carriage 6 connect into an integral body, thereby drives carriage 6 motions, and workbench is along 1 tangential motion of tooth base.
Hobboing cutter 2 around the rotation from axle and tooth base 1 around the rotation from axle all directly by servomotor or electric main shaft drives, the motion of column 8, workbench and carriage 6 drives ball screw by servomotor and drives.
Figure 2 shows that the present invention adapts to the digital control system schematic diagram of protruding pitch curve helical teeth non-circular gear numerical control gear hobbing processing, O
0, X
0, Y
0, Z
0Form original three-dimensional coordinate, O
1, X
1, Y
1, Z
1Form the rear three-dimensional coordinate of motion.System is comprised of parts such as workbench, hob head, hobboing cutter, frames, comprises that wheel blank is around Z
1The gyration A of axle, hobboing cutter around the B that rotatablely moves from axle, workbench when the non-circular gear base rotates along Y
0To relative translation campaign C, hob head when wheel blank rotates along X
0To relative translation campaign D, hob head along wheel blank axial feed motion E.Above-mentioned five frees degree motion forms strict interaction relation in process, namely between each motion, must do constant speed and variable motion according to given rule, when wherein hobboing cutter was along tooth base axial feed, gyration A, the B of wheel blank comprised the additional movement caused along wheel blank axial feed motion D by hob head.
Vertical five axle gear hobbing machining tool provided by the invention is mainly for the processing non-circular gear, especially helical teeth non-circular gear, (non-circular gear in maximum utmost point footpath 100～600mm), be particularly useful for five-axle linkage gear hobbing processing non-circular gear method to be applicable to process median size; Helical teeth non-circular gear for small-sized (maximum utmost point footpath 100mm is following) also can adopt five axles or four-axle linked hobbing method on this lathe, to carry out gear hobbing processing.
When processing median size non-circular gear or helical teeth non-circular gear, on lathe, adopt the processing of five-axle linkage gear hobbing processing method, detailed process can be divided into two steps:
1) hobboing cutter does not have the feed along tooth base axial direction, be that hobboing cutter adds man-hour along tooth base circumference rolling cut, four-axle linked, that is: hobboing cutter around from axle motion, tooth base around from axle motion, hobboing cutter and tooth base centre-to-centre spacing change in displacement, hobboing cutter is along tangential the moving of tooth base circumference, and this cutting movement is topmost cutting movement;
2) when hobboing cutter has along tooth base axial feed, motion state becomes five-axle linkage, that is: hobboing cutter along the moving of tooth base axial direction, hobboing cutter around from axle, moving, the tooth base around from axle, moving, hobboing cutter and tooth base centre-to-centre spacing change in displacement, hobboing cutter be along tangential the moving of tooth base circumference, because axial feed only just carries out after the cutting of tooth base circumference at hobboing cutter, therefore this cutting hobbing motion is not topmost cutting movement.
When the small-sized non-circular gear of processing or helical teeth non-circular gear, at this moment also can adopt four-axle linked mode gear hobbing processing, its detailed process is divided into again two steps:
1) hobboing cutter does not have the feed along tooth base axial direction, be that hobboing cutter adds man-hour along tooth base circumference rolling cut, the three-shaft linkage gear hobbing, that is: hobboing cutter around from axle motion, tooth base around from axle motion, hobboing cutter and tooth base centre-to-centre spacing change in displacement, this cutting movement is topmost cutting movement;
2) when hobboing cutter has along tooth base axial feed, motion state at this moment adds that hobboing cutter is four-axle linked around from axle motion, tooth base, becoming around from axle motion, hobboing cutter and tooth base centre-to-centre spacing change in displacement, linking, and this cutting hobbing motion is not topmost cutting movement.
Claims (4)
1. vertical five axle gear hobbing machining tool, it is characterized in that: comprise frame (10), hob head is located on frame (10) by column (8), hob head is provided with hobboing cutter (2), the first servomotor (3) connects hobboing cutter (2), and the second servomotor (4) connects column (8); Workbench is located on frame (10) by carriage (6), for driving workpiece to be processed tooth base (1), be located at workbench around the 3rd servomotor (5) from the axle rotation, the 4th servomotor (7) connecting working table, the 5th servomotor (9) connects carriage (6); Workpiece to be processed tooth base (1) axis is vertical with the driving water plane.
2. a kind of vertical five axle gear hobbing machining tool as claimed in claim 1 is characterized in that: by ball screw, be connected between described the second servomotor (4) and column (8).
3. a kind of vertical five axle gear hobbing machining tool as claimed in claim 1 is characterized in that: by ball screw, be connected between described the 4th servomotor (7) and workbench.
4. a kind of vertical five axle gear hobbing machining tool as claimed in claim 1 is characterized in that: by ball screw, be connected between described the 5th servomotor (9) and carriage (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102990694A CN103406601A (en) | 2013-07-16 | 2013-07-16 | Vertical-type five-shaft linkage gear hobbing machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102990694A CN103406601A (en) | 2013-07-16 | 2013-07-16 | Vertical-type five-shaft linkage gear hobbing machine tool |
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| CN103406601A true CN103406601A (en) | 2013-11-27 |
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| CN2013102990694A Pending CN103406601A (en) | 2013-07-16 | 2013-07-16 | Vertical-type five-shaft linkage gear hobbing machine tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665838A (en) * | 2016-03-24 | 2016-06-15 | 厦门理工学院 | Machining method for cycloid gear |
| CN109514009A (en) * | 2018-12-25 | 2019-03-26 | 江西福格新能源传动技术有限公司 | Helical gears gear hobbing roll flute is integrally machined equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597519A (en) * | 1982-07-02 | 1984-01-14 | Nissan Motor Co Ltd | Cutting method of gear |
| CN101244474A (en) * | 2008-03-25 | 2008-08-20 | 东华大学 | Numerical control gear hobbing method for processing helical teeth elliptic gear and helical teeth non-circular gear |
| CN101829814A (en) * | 2010-03-15 | 2010-09-15 | 岑益南 | Hard-surface gear hobbing processing device |
| CN202591751U (en) * | 2012-04-01 | 2012-12-12 | 李文辉 | Numerical-control gear hobbing machine |
| CN203380437U (en) * | 2013-07-16 | 2014-01-08 | 东华大学 | Vertical five-axis linkage gear hobbing machine tool |
-
2013
- 2013-07-16 CN CN2013102990694A patent/CN103406601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597519A (en) * | 1982-07-02 | 1984-01-14 | Nissan Motor Co Ltd | Cutting method of gear |
| CN101244474A (en) * | 2008-03-25 | 2008-08-20 | 东华大学 | Numerical control gear hobbing method for processing helical teeth elliptic gear and helical teeth non-circular gear |
| CN101829814A (en) * | 2010-03-15 | 2010-09-15 | 岑益南 | Hard-surface gear hobbing processing device |
| CN202591751U (en) * | 2012-04-01 | 2012-12-12 | 李文辉 | Numerical-control gear hobbing machine |
| CN203380437U (en) * | 2013-07-16 | 2014-01-08 | 东华大学 | Vertical five-axis linkage gear hobbing machine tool |
Non-Patent Citations (1)
| Title |
|---|
| 史勇: "非圆齿轮加工法研究及斜齿非圆齿轮滚齿加工过程仿真", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》, no. 6, 15 June 2013 (2013-06-15) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665838A (en) * | 2016-03-24 | 2016-06-15 | 厦门理工学院 | Machining method for cycloid gear |
| CN105665838B (en) * | 2016-03-24 | 2019-01-01 | 厦门理工学院 | A kind of processing method of cycloid gear |
| CN109514009A (en) * | 2018-12-25 | 2019-03-26 | 江西福格新能源传动技术有限公司 | Helical gears gear hobbing roll flute is integrally machined equipment |
| CN109514009B (en) * | 2018-12-25 | 2024-05-17 | 江西福格新能源传动技术有限公司 | Helical gear hobbing and grinding integrated processing equipment |
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Application publication date: 20131127 |