CN104400141A - Spiral bevel processing machine tool - Google Patents
Spiral bevel processing machine tool Download PDFInfo
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- CN104400141A CN104400141A CN201410663065.4A CN201410663065A CN104400141A CN 104400141 A CN104400141 A CN 104400141A CN 201410663065 A CN201410663065 A CN 201410663065A CN 104400141 A CN104400141 A CN 104400141A
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Abstract
The invention provides a spiral bevel processing machine tool, which comprises a tool body (1) provided with a chip discharging groove, wherein an upright post (2) is arranged at the right side of the tool body, a Y-axis guide rail (3) allowing a Y-axis slide table (4) to vertically move is arranged at the front side of the upright post, an X-axis guide rail (5) allowing a workpiece box (6) to leftwards and rightwards move is arranged on the Y-axis slide table, a workpiece main shaft (A) capable of doing rotary movement is arranged in the workpiece box, the workpiece main shaft is used for installing a workpiece (7) to be processed, the left side of the tool body is provided with a Z-axis guide rail (12) allowing a Z-axis slide table (11) to forwards and backwards move, a shaft B which is parallel to a Z axis and can rotate is arranged on the Z-axis slide table, a cutter box (10) is arranged on a shaft B rotary table (9) and can rotate along with the shaft B (15), a cutter main shaft (C) which can do rotary movement and is vertical to the shaft B is arranged in the cutter box, and a cutter (8) for processing a gear is arranged on the cutter main shaft. The machine tool has the characteristics that the rigidity is good, the stroke is short, the protection is easy, and the mounting and the dismounting are convenient.
Description
Technical field
The present invention relates to a kind of hypoid generating machine.
Background technology
Spiral bevel gear has two kinds of tooth systems: circular arc tapered tooth and cyclo-palloid curve equal-depth teeth.There are two kinds of processing methods accordingly, i.e. end face mill teeth method (Face Milling) and face Hobbing Method (Face Hobbing).An end face mill teeth method only processing teeth groove at every turn, processes rear workpiece and exits calibration and reprocess next teeth groove, therefore be also called one division method.Face Hobbing Method adopts multiple thread hob and the continuous hobbing of workpiece, therefore is also called continuous indexing.
No matter adopt end face mill teeth or end face gear hobbing, when the gearratio of gear pair is less, bull wheel and steamboat are all processed with generating.When the gearratio of gear pair is larger, bull wheel can adopt forming manufacturing, but steamboat is all processed with generating.
The structure of mechanical type tooth milling machine is very complicated, and can not can use end face mill teeth method Machining Arc tapered tooth on a machine tool, can process cyclo-palloid curve equal-depth teeth again by face Hobbing Method.The numerical control gear milling machine (Fig. 1) of Gleason company of the U.S. in 1989 invention is with X, Y, Z tri-linear axis and A, B, C tri-free type (Free Form) lathe of one rotating shaft composition, computerized control they make six-axle five-linkage just can Machining Arc tapered tooth, also can process epicycloid equal-depth teeth, this is the once great revolution of spiral bevel gear lathe.Obviously, the key of bevel gear cutting machine design is how B axle is arranged, it and workpiece spindle (A axle) or with cutter shaft (C axle) Union Movement.Integrate, only have " vertical B axle+A axle ", " vertical B axle+C axle ", " horizontal B axle+A axle " and " horizontal B axle+C axle " four kinds of patterns.Lathe shown in Fig. 1 adopts the pattern of " vertical B axle+A axle ", and the end face of the B axle centre of gyration and workpiece spindle has certain distance, can ensure that the processing district of bull wheel and steamboat is limited in a smaller region (Fig. 2) like this.The disadvantage of this machine tool structure is not competent cutting.
1997, Klingelnberg-Oerlikon company of Germany utilizes Saloman principle to invent the dry incision technology of spiral bevel gear and have developed the numerical control gear milling machine (Fig. 3) of First energy dry cutting in the world, dry incision technology adopts carbide alloy add the cutter of coating and process spiral bevel gear with the cutting speed more than 250m/min, not only Gear Processing efficiency can be improved 4 ~ 6 times, and precision and roughness can be improved more than two-stage, the every sharpening of cutter coating once, can process hundreds of even thousands of parts.This is the once great revolution of Machining Spiral Bevel Gear technique, but it it is also proposed new requirement to lathe and cutter.Cut the heat adding man-hour all to be taken away by chip because dry, therefore will ensure that chip can not drop on lathe bed for the dry lathe cut, in order to avoid affect the precision of lathe.Obviously, the lathe shown in Fig. 1 is not competent to be cut, and this lathe of Fig. 3 is exactly the special first item lathe designed for dry cutting in the world.What its adopted is also " vertical B axle+A axle " pattern, but relative position (as shown in Figure 4) between them is different from Fig. 1.This configuration mode can ensure that chip does not drop on lathe bed, but the Working position of bull wheel and steamboat is just so close unlike Fig. 1, and this just needs the stroke strengthening X-axis and Z axis.This structure also has two shortcomings in addition, and one is that the arm of force of cutting force to the B axle centre of gyration is oversize, increases cutting moment; Another is exactly that the Design and manufacture of interior protection is more difficult.
Within 2002, Gleason company of the U.S. proposes the another kind of tooth milling machine (Fig. 5) for dry cutting, its have employed the pattern of " vertical B axle+C axle " for the first time, and cutter spindle and work spindle be suspended on the both sides of a column respectively and applied for patent (CN1457279) in China, this lathe has good rigidity.But shortcoming as shown in Figure 6, two main shafts split the both sides at column, and during machining gears, cutter and workpiece often cannot contact, and need could process cutterhead and workpiece installing spacer shell additional.So not only bother, and the rigidity of lathe and the machining accuracy of gear can be affected.Another shortcoming of this lathe is that the revolution of B axle promotes by connecting rod, is nonlinear relation, needs special numerical control program to control it between the angle of revolution of B axle and the air line distance of connecting rod.
German Klingelnberg-Oerlikon in 2005 is proposed again the vertical tooth milling machine (Fig. 7, Fig. 8) that the third ability is cut, its have employed the pattern of " horizontal B axle+A axle " for the first time, the stroke of B axle is-90 ° ~+90 °, although the stroke that it shortens Y-axis increases the stroke of X-axis.The shortcoming of vertical tooth milling machine is that center of gravity is high, transport difficult, and another shortcoming is that the special instrument of needs installed by cutterhead, cumbersome.
Summary of the invention
The object of the present invention is to provide a kind of spiral bevel gear Digit Control Machine Tool, it not only has the various functions of existing lathe, and first time have employed the pattern of " horizontal B axle+C axle ", and because about the length of its cutter shaft only has the half of workpiece spindle, thus have that structure is simple, stroke is short, protect the features such as easy, easy to loading and unloading.
First it should be noted that, " left side ", " the right " mentioned herein refers to the left side or the right of accompanying drawing place plane, and " above " refers to the one side near work pieces process position." below " one side away from work pieces process position is referred to.
For achieving the above object, the invention provides a kind of spiral bevel gear Digit Control Machine Tool, it comprises the lathe bed 1 with chip area, the right on this lathe bed arranges a column 2, the Y-axis guide rail 3 that can move up and down for Y-axis slide unit 4 is provided with before this column 2, Y-axis slide unit 4 is provided with can for the X-axis guide rail 5 of workpiece box 6 side-to-side movement, and be provided with the work spindle A that can do gyration in workpiece box 6, the working end on this work spindle A is provided with processed workpiece 7.The left side on this lathe bed is provided with the Z axis guide rail 12 that can seesaw for Z axis slide unit 11, Z axis slide unit 11 is provided with parallel with Z axis and rotatable B axle 15, and toolbox 10 is placed on this B axle panoramic table 9 and also can turns round along with B axle 15.The cutter spindle C that can do gyration is installed in toolbox 10.Cutter spindle is provided with the cutter 8 of machining gears.
X-axis guide rail 5, Y-axis guide rail 3 are mutually vertical with Z axis guide rail 12.Work spindle A is parallel with X-axis guide rail 5, and B axle 15 is parallel with Z axis guide rail 12, and cutter spindle C is vertical with B axle 15.Because toolbox is shorter, its motion easily controls, and the machining area of bull wheel and steamboat is more concentrated than existing tooth milling machine.
Z axis guide rail 12 has three, and wherein two guide rails are positioned on bed piece 1, and a guide rail is positioned at the left side of column 2, and it couples together Z axis slide unit 11 and column 2 rigidity increasing lathe.
The spiral bevel gear workpiece 7 processed to be arranged on work spindle A and to turn round around work spindle A under the driving of power, and work spindle is arranged in workpiece box 6.Workpiece box 6 can move along X-direction and Y direction under the effect of power.
The cutter 8 of processing spiral bevel gear to be arranged on cutter spindle C and to turn round around cutter spindle C under the driving of power, cutter spindle C is arranged on toolbox 10 li, toolbox 10 is fixed on B axle panoramic table 9, B axle panoramic table 9 to be fixed on before Z axis slide unit 11 by panoramic table bearing 13 and to be connected with B axle 15 by end face curved tooth coupling 14, turns round under the driving of power with B axle.
For achieving the above object, the invention provides another kind of spiral bevel gear Digit Control Machine Tool, it comprises the lathe bed 1 with chip area, this lathe bed is arranged a column 2 ', right side before this column is provided with the Y-axis guide rail 3 moved up and down for Y-axis slide unit 4, this Y-axis slide unit 4 is slidably connected to this Y-axis guide rail 3, Y-axis slide unit 4 is provided with the X-axis guide rail 5 for workpiece box 6 side-to-side movement, this workpiece box 6 is slidably connected to this X-axis guide rail 5, the work spindle A that can do gyration is installed in workpiece box 6, this work spindle A is for installing processed workpiece 7, make workpiece box can along X-axis guide rail and Y-axis guide rail movement under the effect of power like this, the left side of this column 2 ' offers the through circular hole in front and back, the tubular B axle 17 parallel with Z axis is provided with by bearing in this circular hole, and the inwall of this tubular B axle 17 arranges Z axis slide block 20, Z axis slide unit 11 ' is embedded in tubular B axle 17, this Z axis slide unit 11 ' is provided with Z axis guide rail 12 ', Z axis guide rail 12 ' is arranged in Z axis slide block 20, and under the effect of power, Z axis slide unit moves forward and backward by Z axis guide rail 12 ' and being engaged in tubular B axle of Z axis slide block 20, toolbox 10 and Z axis slide unit 11 ' form a global facility 18 and can turn round along with tubular B axle 17, along with Z axis slide unit 11 ' moves forward and backward, the cutter spindle C that also can do gyration vertical with tubular B axle 17 is installed in toolbox 10, cutter spindle C is provided with the cutter 8 of machining gears.The program has better rigidity than front a kind of scheme.
For achieving the above object, the invention provides another spiral bevel gear Digit Control Machine Tool, it is on above-mentioned another kind of spiral bevel gear Digit Control Machine Tool basis, by column (2 ') with remove the lathe bed after chip area (1) and form an overall column (2 "), be screwed after the making of chip removal tank sheet on overall column (2 ").
This machine tool structure can be made dryly cuts tooth milling machine, also can be made wetly to cut tooth milling machine, and at this moment cutter refers to facing cut cutterhead or end face hob plate.It can also be made gear grinding machines, and at this moment need increase to repair emery wheel mechanism, cutter refers to emery wheel.If grind forming process bull wheel, grinding wheel spindle will increase eccentvic rotation mechanism.
Compared with existing lathe, it has the following advantages:
1. structure is simple, part is few, good manufacturability;
2. the Working position of bull wheel and steamboat is concentrated, and the stroke of X-axis, Y-axis and Z axis is very short;
3. the behind of processing district is column and Z axis slide unit, before be chip area, easily, chip removal is convenient in protection;
4. the loading position of workpiece and cutter and operator are very near, easy to loading and unloading.
Accompanying drawing explanation
Fig. 1 is the numerical control gear milling machine of the First in the world structural representation that Gleason company of the U.S. 1989 proposes, and it is not competent cuts.
Fig. 2 is the operation principle schematic diagram of Fig. 1.
Fig. 3 is the competent tooth milling machine structural representation cut of First in the world that German Klingelnberg-Oerlikon company proposes for 1997.
Fig. 4 is the operation principle schematic diagram of Fig. 3.
Fig. 5 is the tooth milling machine structural representation that the ability of Gleason company of U.S. proposition in 2002 is cut.
Fig. 6 is the operation principle schematic diagram of Fig. 5.
Fig. 7 is the vertical tooth milling machine structural representation of First in the world that German Klingelnberg-Oerlikon company proposes for 2005.
Fig. 8 is the operation principle schematic diagram of Fig. 7.
Fig. 9 is structural representation of the present invention.
Figure 10 is that the present invention processes bull wheel and the left and right toolbox position view revolving steamboat, wherein bull wheel Working position f, left-handed steamboat Working position e, dextrorotation steamboat Working position d.
Figure 11 is the B axle construction schematic diagram of embodiment 1.
Figure 12 is the structural representation of another embodiment of the present invention.
Figure 13 is the column B shaft position sectional structure schematic diagram of Figure 12.
Figure 14 is the structural representation of yet another embodiment of the invention.。
In figure: 1, the lathe bed of band chip area; 2,2 ', 2 ", column; 3, Y-axis guide rail; 4, Y-axis slide unit; 5, X-axis guide rail; 6, workpiece box; 7, workpiece; 8, cutter; 9, B axle panoramic table; 10, toolbox; 11,11 ', Z axis slide unit; 12,12 ', Z axis guide rail; 13, panoramic table bearing; 14, end face curved tooth coupling; 15, B axle; 16,16 ', B axis drive motor; 17, tubular B axles; 20, Z axis slide block; A, work spindle; C, cutter spindle.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1
See Fig. 9 ~ Figure 11, for ease of observing the relation between each component of composition lathe, the lathe represented in figure does not draw protection and motor, screw mandrel.
Spiral bevel gear lathe of the present invention comprises the lathe bed 1 of a band chip area 101, and lathe bed adopts foundry goods, and there is a square aperture 102 on the left side of chip area 101, to insert chip cleaner.
Column 2 also adopts foundry goods and is screwed on the right side of lathe bed 1, is provided with motor and the screw mandrel of two Y-axis guide rails 3 and driving Y-axis slide unit 4 before column 2.Y-axis slide unit 4 is provided with the two piece X-axis guide rails 5 vertical with Y-axis guide rail 3 and the motor and the screw mandrel that drive workpiece box 6.Be provided with the work spindle A driven with torque motor in workpiece box 6, work spindle A and X-axis guide rail 5 be arranged in parallel.Torque motor will carry out liquid cools.Work spindle A is provided with processed workpiece 7(spiral bevel gear).
The left side of lathe bed 1 and the left side of column 2 are provided with three Z axis guide rails 12, wherein two on bed piece 1, middle the motor and screw mandrel that drive Z axis slide unit 11 are also installed.Another root Z axis guide rail 12 is arranged on the left upper portion of column 2, and it links together Z axis slide unit 11 and column 2, can strengthen their rigidity.Z axis slide unit 11 also adopts foundry goods.Y-axis slide unit 4 is provided with B axle 15, the B axle 15 parallel with Z axis and can adopts Dual-motors Driving to eliminate gear clearance.B axle panoramic table 9 before B axle 15 is provided with toolbox 10, the cutter spindle C driven is installed in toolbox 10, cutter spindle C is provided with cutter 8(cutterhead or the emery wheel of processing work with torque motor).Torque motor also uses liquid cools.B axle panoramic table 9 turntable bearing 13 is fixed on Z axis slide unit 11, and in order to easy for installation, B axle panoramic table 9 is connected with end face curved tooth coupling 14 with between B axle 15.Cutter spindle C is vertical with B axle 15 and rotate in ± 90 ° under the effect of B axle 15.
When processing spiral bevel gear, according to processed requirement, computer controls them and is introduced into Working position, then does that single feeding shapes method circular arc tapered tooth bull wheel, three-shaft linkage shapes method epicycloid equal-depth teeth bull wheel, four axis processing processes hypoid format tilt epicycloid equal-depth teeth bevel gear without the circular arc tapered tooth bevel gear of tilt generate, four axle semi-linkages processing without the epicycloid equal-depth teeth bevel gear of tilt generate, five-axle linkage processing hypoid format tilt circular arc tapered tooth bevel gear and five axle semi-linkages.
Embodiment 2
See Figure 12 ~ Figure 13, its difference from Example 1 is only, it offers a circular hole in the left side of column 2 ', tubular B axle 17 is embedded in this circular hole by bearing, and the inwall of this tubular B axle 17 arranges Z axis slide block 20, Z axis slide unit 11 ' is embedded in tubular B axle 17, and this Z axis slide unit 11 ' is provided with Z axis guide rail 12 ', Z axis guide rail 12 ' is arranged in Z axis slide block 20, and toolbox 10 and Z axis slide unit 11 ' are formed a global facility 18.Z axis slide unit 11 ' can move forward and backward by Z axis guide rail 12 ' and Z axis slide block 20 under the effect of power.The program has better rigidity than front a kind of scheme.
See Figure 14, embodiment 2 also can by column 2 ' with remove the lathe bed after chip area 1 and form an overall column 2 ", chip removal tank sheet is screwed at column 2 after making " on.
Claims (9)
1. a hypoid generating machine, it is characterized in that comprising the lathe bed (1) with chip area, the right on this lathe bed arranges a column (2), the Y-axis guide rail (3) moved up and down for Y-axis slide unit (4) is provided with before this column, this Y-axis slide unit (4) is slidably connected to this Y-axis guide rail (3), Y-axis slide unit is provided with the X-axis guide rail (5) for workpiece box (6) side-to-side movement, this workpiece box (6) is slidably connected to this X-axis guide rail (5), the work spindle (A) doing gyration is installed in workpiece box (6), this work spindle (A) is for installing processed workpiece (7), make workpiece box (6) can along X-axis guide rail and Y-axis guide rail movement under the effect of power like this, the left side on this lathe bed is provided with for Z axis slide unit (11) the Z axis guide rail (12) that seesaws, and this Z axis slide unit (11) is slidably connected to this Z axis guide rail (12), and Z axis slide unit (11) is upper arranges and revolvable B axle (15) parallel with Z axis, toolbox (10) is placed in B axle panoramic table (9) and above also can turns round along with B axle (15), the cutter spindle (C) that also can do gyration vertical with B axle (15) is installed in toolbox (10), cutter spindle (C) is provided with the cutter (8) of machining gears.
2. a kind of hypoid generating machine according to claim 1, is characterized in that, X-axis guide rail (5), Y-axis guide rail (3) are mutually vertical with Z axis guide rail (12).
3. a kind of hypoid generating machine according to claim 1, is characterized in that, this work spindle (A) is parallel with X-axis guide rail (5), and B axle (15) is parallel with Z axis guide rail (12), and cutter spindle (C) is vertical with B axle (15).
4. a kind of hypoid generating machine according to claim 1, it is characterized in that, this Z axis guide rail (12) has three, wherein two are positioned on lathe bed, a left side being positioned at column (2), the Z axis guide rail be positioned on column (2) couples together Z axis slide unit (11) and column (2).
5. a kind of hypoid generating machine according to claim 1, is characterized in that, this B axle panoramic table (9) to be fixed on before Z axis slide unit (11) by bearing and to turn round with B axle under the driving of power.
6. a hypoid generating machine, it is characterized in that comprising the lathe bed (1) with chip area, this lathe bed is arranged a column (2 '), right side before this column is provided with the Y-axis guide rail (3) moved up and down for Y-axis slide unit (4), this Y-axis slide unit (4) is slidably connected to this Y-axis guide rail (3), Y-axis slide unit (4) is provided with the X-axis guide rail (5) for workpiece box (6) side-to-side movement, this workpiece box (6) is slidably connected to this X-axis guide rail (5), the work spindle (A) doing gyration is installed in workpiece box (6), this work spindle (A) is for installing processed workpiece (7), make workpiece box (6) can move along X-axis guide rail (5) and Y-axis guide rail (3) under the effect of power like this, the left side of this column (2 ') offers the through circular hole in front and back, the tubular B axle (17) parallel with Z axis is provided with by bearing in this circular hole, and the inwall of this tubular B axle (17) arranges Z axis slide block (20), Z axis slide unit (11 ') is embedded in tubular B axle, this Z axis slide unit (11 ') is provided with Z axis guide rail (12 '), Z axis guide rail (12 ') is arranged in Z axis slide block (20), under the effect of power, Z axis slide unit (11 ') moves forward and backward by Z axis guide rail (12 ') and being engaged in tubular B axle (17) of Z axis slide block (20), toolbox (10) and Z axis slide unit (11 ') form a global facility (18) and can turn round along with tubular B axle (17), along with Z axis slide unit (12 ') moves forward and backward, vertical with tubular B axle (17) be installed in toolbox and the cutter spindle (C) of gyration can be made, cutter spindle (C) being provided with the cutter (8) of machining gears.
7. a kind of hypoid generating machine according to claim 6, is characterized in that, X-axis guide rail (5), Y-axis guide rail (3) are mutually vertical with Z axis guide rail (12 ').
8. a kind of hypoid generating machine according to claim 6, is characterized in that, this work spindle (A) is parallel with X-axis guide rail (5), and tubular B axle (17) is parallel with Z axis guide rail (12), and cutter spindle (C) is vertical with tubular B axle (17).
9. a hypoid generating machine as claimed in claim 6, it is characterized in that, this column (2 ') with remove chip area after lathe bed (1) forms an overall column (2 "), be screwed after the making of chip removal tank sheet on overall column (2 ").
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663065.4A CN104400141A (en) | 2014-11-19 | 2014-11-19 | Spiral bevel processing machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663065.4A CN104400141A (en) | 2014-11-19 | 2014-11-19 | Spiral bevel processing machine tool |
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| CN104400141A true CN104400141A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410663065.4A Pending CN104400141A (en) | 2014-11-19 | 2014-11-19 | Spiral bevel processing machine tool |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816049A (en) * | 2015-05-11 | 2015-08-05 | 长沙哈量凯帅精密机械有限公司 | Helical bevel gear machine tool with automatic feeding and discharging function |
| CN106956044A (en) * | 2017-03-10 | 2017-07-18 | 江苏飞船股份有限公司 | Spiral bevel gear teeth portion dry cutting technique and cutter |
| 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 |
| CN113600932A (en) * | 2021-09-23 | 2021-11-05 | 河南科技大学 | Machining method for hobbing cylindrical helical gear on bevel gear milling machine |
-
2014
- 2014-11-19 CN CN201410663065.4A patent/CN104400141A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816049A (en) * | 2015-05-11 | 2015-08-05 | 长沙哈量凯帅精密机械有限公司 | Helical bevel gear machine tool with automatic feeding and discharging function |
| CN106956044A (en) * | 2017-03-10 | 2017-07-18 | 江苏飞船股份有限公司 | Spiral bevel gear teeth portion dry cutting technique and cutter |
| 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 |
| CN113600932A (en) * | 2021-09-23 | 2021-11-05 | 河南科技大学 | Machining method for hobbing cylindrical helical gear on bevel gear milling machine |
| CN113600932B (en) * | 2021-09-23 | 2022-08-26 | 河南科技大学 | Method for processing cylindrical helical gear by hobbing on bevel gear milling machine |
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Application publication date: 20150311 |