CN101791725B - Spiral bevel gear and hypoid gear forming method large-gear grinding machine - Google Patents
Spiral bevel gear and hypoid gear forming method large-gear grinding machine Download PDFInfo
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- CN101791725B CN101791725B CN200910215373XA CN200910215373A CN101791725B CN 101791725 B CN101791725 B CN 101791725B CN 200910215373X A CN200910215373X A CN 200910215373XA CN 200910215373 A CN200910215373 A CN 200910215373A CN 101791725 B CN101791725 B CN 101791725B
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- axle
- line slideway
- gear
- rocking arm
- driving mechanism
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Abstract
The invention relates to a spiral bevel gear and hypoid gear forming method large-gear grinding machine. One side of the top surface of a machine tool body is provided with a Y-shaft slide carriage, and the Y-axis slide carriage is provided with a grinding wheel box moving along a Z shaft; the grinding wheel box is provided with a W shaft, an eccentric C shaft is installed in the W shaft, and one end of the C shaft is provided with a grinding wheel; the other side of the top surface of the machine tool body is provided with a rocker, and the rocker is articulated with the machine tool body through a hinge shaft; the rocker is provided with a hydraulic cylinder; the rocker is provided with an X-shaft slide carriage, a revolving A shaft is installed on the X-shaft slide carriage, and one end of the A shaft is used for installing a processed forming method large-gear. The invention has the characteristics of simple structure, good stability and reliability, high efficiency, small occupied area, easy protection and dust removal, convenient installation and removal of work pieces and grinding wheel, and the like.
Description
Technical field
The present invention relates to numerically controlled processing equipment, further be meant the Digit Control Machine Tool of the forming process bull wheel roll flute of spiral bevel gear and hypoid gear.
Background technology
Main drive gear in the automobile drive axle is bigger spiral bevel gear of gearratio or hypoid gear, and the gear teeth curved surface and the cutterhead of its bull wheel are very close, therefore can process with forming process.During forming process bull wheel roll flute, have only grinding wheel spindle to do feed motion, but, will adopt eccentric grinding mechanism during the grinding of forming process bull wheel for fear of flank of tooth burn.The grinding of now forming method bull wheel all is to carry out being equipped with on the six-axle five-linkage gear grinding machines of eccentric grinding mechanism, and it has two shortcomings:
1. the gear grinding machines with six-axle five-linkage come grinding, have only an axle motion, and other axle all leaves unused, and is very uneconomical;
2. forming process is processed needed eccentric grinding mechanism, does not need during other gear grinding, but also is a burden.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at existing gear grinding machines existence, a kind of spiral bevel gear and hypoid gear forming method large-gear grinding machine are proposed, numerically controlled tooth grinding machine for special grinding spiral bevel gear and hypoid gear forming process bull wheel, it is simple in structure, stable with good reliability, efficient height and floor space is little, protection and chip removal are easy, the loading and unloading of workpiece and emery wheel are very convenient, workpiece is particularly suitable for the manipulator automatic loading and unloading, and when the manipulator automatic loading and unloading trimming wheel, save the roll flute time.
Spiral bevel gear of the present invention and hypoid gear forming method large-gear grinding machine have lathe bed, its design feature is, described lathe bed end face one side is provided with the Y-axis line slideway of level, is equipped with on this Y-axis line slideway to drive the Y-axis slide that lower edge Y-axis line slideway moves at driving mechanism; Z axle line slideway vertical with the Y-axis line slideway and that be arranged horizontally is installed on the Y-axis slide, the emery wheel case that can move at driving mechanism effect lower edge Z axle line slideway is housed on this Z axle line slideway; The emery wheel case is equipped with by driving mechanism and drives rotating W axle, and the W axle is parallel with Z axle line slideway; Be equipped with in the W axle and can under driving mechanism drives, produce rotating eccentric C axle, parallel with the W axle but not altogether an end of the described eccentric C axle of axial line emery wheel is housed; Described lathe bed end face opposite side has rocking arm, and this rocking arm is hinged with lathe bed through the jointed shaft that is parallel to the Y-axis line slideway, and be equipped with the rocking arm back, and can to promote this rocking arm be the hydraulic jack that the axle center produces swing with described jointed shaft; Rocking arm is equipped with X-axis line slideway perpendicular to described Y-axis line slideway with respect to the one side of emery wheel, the X-axis slide that can move at driving mechanism effect lower edge X-axis line slideway is housed on this X-axis line slideway, the X-axis slide is provided with the A axle that drives turning down at driving mechanism, and an end of A axle is in order to install processed forming process bull wheel.
Below in conjunction with accompanying drawing the present invention is made and to further specify.
Lathe of the present invention is mainly used to the forming process bull wheel of grinding spiral bevel gear or hypoid gear.
Referring to Fig. 1, spiral bevel gear of the present invention and hypoid gear forming method large-gear grinding machine have lathe bed 1, its design feature is, described lathe bed 1 end face one side (as the left side among Fig. 1) is provided with the Y-axis line slideway 19 of level, is equipped with on this Y-axis line slideway 19 to drive the Y-axis slide 14 that lower edge Y-axis line slideway 19 moves at driving mechanism; Z axle line slideway 18 vertical with Y-axis line slideway 14 and that be arranged horizontally is installed on the Y-axis slide 14, the emery wheel case 15 that can move at driving mechanism effect lower edge Z axle line slideway 18 is housed on this Z axle line slideway 18; Emery wheel case 15 is equipped with by driving mechanism and drives rotating W axle 16, and W axle 16 is parallel with Z axle line slideway 18; Be equipped with in the W axle 16 and can under driving mechanism drives, produce rotating eccentric C axle 17, parallel with W axle 16 but not altogether an end of the described eccentric C axle 17 of axial line emery wheel 11 is housed; Described lathe bed 1 end face opposite side (as the right side among Fig. 1) has rocking arm 3, and the jointed shaft 2 of this rocking arm 3 through being parallel to Y-axis line slideway 19 is hinged with lathe bed 1; Referring to Fig. 2, be equipped with rocking arm 3 back, and can to promote this rocking arm 3 be the hydraulic jack 21 that the axle center produces swing with described jointed shaft 2; Rocking arm 3 is equipped with X-axis line slideway 7 perpendicular to described Y-axis line slideway 19 with respect to the one side of emery wheel 11, the X-axis slide 8 that can move at driving mechanism effect lower edge X-axis line slideway 7 is housed on this X-axis line slideway 7, X-axis slide 8 is provided with the A axle that drives turning down at driving mechanism, and an end of A axle is in order to install processed forming process bull wheel 9.
Also can when grinding moves, this rocking arm 3 be fixedlyed connected as a whole with Y-axis slide 14 and bindiny mechanism that can throw off during in non-grinding operation being provided with one between rocking arm 3 tops and the Y-axis slide 14.
During with lathe grinding spiral bevel gear of the present invention shown in Figure 1 and hypoid gear forming process bull wheel, can adjust and operate lathe according to such process: according to the lathe adjusting parameter horizontal component of cutter position H and the vertical cutter spacing V of grinding forming method bull wheel, wheel blank established angle B shown in Figure 2, horizontal position of wheel correction XG, can calculate the coordinate figure of X-axis slide 8 and Z axle slide (being emery wheel case 15) among Fig. 1, contiguous block on the rocking arm 34 and connecting rod 5 are adjusted to the value of 90 °-B; rocking arm is installed emery wheel 11 and gear (forming process bull wheel 9) when horizontal level, gear distributes rule to mix up the position of the gear teeth with surplus.Behind the start button, X-axis slide 8 and E axle slide (being clamp mechanism 13) move quickly into given position, W axle 16 is parked in the position of crushing, emery wheel 11 (eccentric C axle 17) moves quickly into trim locations and turns round by given direction and speed, emery wheel 10 (D axle) stretches out and by given direction and speed revolution, Y-axis slide 14 and Z axle slide (being emery wheel case 15) are according to given finishing program trimming wheel 11; After emery wheel 11 trimmed, emery wheel 10 stopped to turn round and returning to original position, and emery wheel 11 moves quickly into the position of calibration; The piston rod of hydraulic oil 21 cylinders is elected the position of connecting rod 5 and lathe planar horizontal with rocking arm 3, and the clamp of clamp mechanism 13 clamps connecting rod 5 respective end, makes rocking arm 3, Y-axis slide 14 be linked to be an integral body.Emery wheel 11 (eccentric C axle 17) and W axle 16 are according to given direction and speed revolution, and Z axle slide (emery wheel case 15) is according to the given speed feeding grinding of program, up to given tooth depth; The position dark in full-depth tooth can suitably stop several seconds as required.After these gear teeth ground, emery wheel returned to indexing position fast, gear (A axle) calibration.Z axle (being Z axle slide, emery wheel case 15) is according to given second gear teeth of speed grinding of program.Ground up to first circulation.Lathe can be according to given cycle-index up to all circulations having been ground and whole gear being ground.At this moment emery wheel returns to the home position and stops revolution, and clamp unclamps, and rocking arm 3 returns to the position of rocking arm front and machine tool horizontal so that the loading and unloading of gear under the effect of hydraulic jack 21.
Lathe of the present invention is compared with existing equipment, have simple in structure, stable with good reliability, efficient height and floor space is little, protection and chip removal are easy, the loading and unloading of workpiece and emery wheel are very convenient, workpiece is particularly suitable for the manipulator loading and unloading, and when the manipulator automatic loading and unloading trimming wheel, save characteristics such as roll flute time.
Description of drawings
Fig. 1 is a kind of example structure of lathe of the present invention;
Fig. 2 is a kind of example structure schematic diagram of rocking arm and wobble drive mechanism among Fig. 1;
Fig. 3 is a kind of example structure schematic diagram of W axle and C axle among Fig. 1.
In the drawings:
The 1-lathe bed, the 2-jointed shaft, the 3-rocking arm,
The 4-contiguous block, the 5-connecting rod, the 6-bolt,
7-X axle line slideway, 8-X axle slide, the 10-emery wheel,
9-forming process bull wheel (being ground gear), the 11-emery wheel,
12-E axle line slideway, 13-clamp mechanism, 14-Y axle slide;
15-emery wheel case, 16-W axle (eccentric bushing), 18-Z axle line slideway,
The eccentric C axle (grinding wheel spindle) of 17-, 19-Y axle line slideway,
The 20-chip area, the 21-hydraulic jack, 22-∏ shape member,
The 23-syndeton, 24, the 25-servomotor.
The specific embodiment
Spiral bevel gear and hypoid gear forming method large-gear grinding machine according to Fig. 1 and said structure, lathe bed 1 is arranged, described lathe bed 1 end face one side is provided with the Y-axis line slideway 19 of level, is equipped with on this Y-axis line slideway 19 and can drives the Y-axis slide 14 that lower edge Y-axis line slideway 19 moves at driving mechanism; Z axle line slideway 18 vertical with Y-axis line slideway 14 and that be arranged horizontally is installed on the Y-axis slide 14, the emery wheel case 15 that can move at driving mechanism effect lower edge Z axle line slideway 18 is housed on this Z axle line slideway 18; Emery wheel case 15 is equipped with by driving mechanism and drives rotating W axle 16, and W axle 16 is parallel with Z axle line slideway 18; Be equipped with in the W axle 16 and can under driving mechanism drives, produce rotating eccentric C axle 17, parallel with W axle 16 but not altogether an end of the described eccentric C axle 17 of axial line emery wheel 11 is housed; Described lathe bed 1 end face opposite side has rocking arm 3, and the jointed shaft 2 of this rocking arm 3 through being parallel to Y-axis line slideway 19 is hinged with lathe bed 1; Referring to Fig. 2, be equipped with rocking arm 3 back, and can to promote this rocking arm 3 be the hydraulic jack 21 that the axle center produces swing with described jointed shaft 2; Rocking arm 3 is equipped with X-axis line slideway 7 perpendicular to described Y-axis line slideway 19 with respect to the one side of emery wheel 11, the X-axis slide 8 that can move at driving mechanism effect lower edge X-axis line slideway 7 is housed on this X-axis line slideway 7, X-axis slide 8 is provided with the A axle that drives turning down at driving mechanism, and an end of A axle is in order to install processed forming process bull wheel 9.
On the lathe bed 1 of the side (as the rear side among Fig. 1) of rocking arm 3, be arranged on the D axle that driving mechanism drives turning down, the removable emery wheel 10 of trimming wheel 11 usefulness is installed on the D axle.When emery wheel 11 needed finishing, emery wheel 10 was promoted to shift out by cylinder, and numerical control program control Y-axis slide 14, the emery wheel case 15 that moves along Z axle line slideway 18 link, and can repair emery wheel 11.
Referring to Fig. 1, also can on the lathe bed below the emery wheel 11 1, the chip area 20 that is positioned at below lathe bed 1 end face be set, in order to the bits slag of timely drainage grinding generation.
Referring to Fig. 3, a kind of embodiment that can produce rotating eccentric C axle 17 under driving mechanism drives that installs in the described W axle 16 consists of, one eccentric bushing as W axle 16 is set, in this eccentric bushing the tube chamber axial line with respect to the axial line of eccentric bushing outer tube wall cylinder for eccentric (be in the eccentric bushing tube chamber axial line with the axis parallel of eccentric bushing outer tube wall cylinder and be not total to axial line); Grinding wheel spindle is installed, promptly eccentric C axle 17 in the tube chamber in eccentric bushing.
Also can when grinding moves, this rocking arm 3 be fixedlyed connected as a whole with Y-axis slide 14 and bindiny mechanism that can throw off during in non-grinding operation being provided with one between rocking arm 3 tops and the Y-axis slide 14.Referring to Fig. 1, a kind of example structure of this bindiny mechanism is, above be connected on the Y-axis slide 14 a ∏ shape member 22 and this ∏ shape member 22 tops are positioned at emery wheel case 15; The E axle line slideway 12 parallel with Y-axis line slideway 19 is installed at ∏ shape member 22 tops, and on this E axle line slideway 12, be provided with can this E axle line slideway 12 moves in driving mechanism effect lower edge clamp mechanism 13; Fixedly install a contiguous block 4 at the top of rocking arm 3, the end face of this contiguous block 4 is to be the arc surface of axial line with jointed shaft 2, one end of connecting rod 5 has the connection elongated slot that is provided with along this pole length direction, bolt 6 is fixed on the contiguous block 4 through the end of this connection elongated slot with connecting rod 5, and the connecting portion of connecting rod 5 one ends can be regulated by connecting elongated slot; The other end of connecting rod 5 has can be by the syndeton 23 of described Y-axis slide 14 upper clamping mechanisms 13 clampings.
The revolution of rocking arm 3 can realize (Fig. 2) by hydraulic cylinder.The position personnel selection wage adjustment of connecting rod 5 on rocking arm 3 put in order and tightened with bolt 6.The line slideway of X-axis, E axle, Y-axis and Z axle and driving mechanism adopt rolling guide and ball screw, and servomotor rotates motor by direct connection and passes to described ball screw, drives them to the program appointed positions.When processing spiral bevel gear and hypoid gear forming process bull wheel, workpiece is calibration after whenever processing gear teeth only, and the driving of its A axle can realize that by worm gear deceleration or electric motor with large torque workpiece is strained with hydraulic pressure with a minute fluted disc, servomotor.The drive mechanism of eccentric wheel and grinding wheel spindle is seen Fig. 3, they all drive with servomotor, wherein the rotation of W axle can realize by gear or belt pulley, the rotation of cutterhead (C axle) is in order to adapt to the demand that the C axle will be wriggled in the scope of 0.25mm, it can allow to realize greater than the shaft coupling of 0.25mm by gear pair or the eccentric throw of sideshake greater than 0.25mm.
Claims (6)
1. spiral bevel gear and hypoid gear forming method large-gear grinding machine, lathe bed (1) is arranged, it is characterized in that, described lathe bed (1) end face one side is provided with the Y-axis line slideway (19) of level, is equipped with on this Y-axis line slideway (19) to drive the Y-axis slide (14) that lower edge Y-axis line slideway (19) moves at driving mechanism; Z axle line slideway (18) vertical with Y-axis line slideway (19) and that be arranged horizontally is installed on the Y-axis slide (14), and being equipped with on this Z axle line slideway (18) can be at the mobile emery wheel case (15) of driving mechanism effect lower edge Z axle line slideway (18); Emery wheel case (15) is equipped with by driving mechanism and drives rotating W axle (16), and W axle (16) is parallel with Z axle line slideway (18); Be equipped with in the W axle (16) and can under driving mechanism drives, produce rotating eccentric C axle (17), parallel with W axle (16) but not altogether an end of the described eccentric C axle (17) of axial line emery wheel (11) is housed; Described lathe bed (1) end face opposite side has rocking arm (3), and jointed shaft (2) the same lathe bed (1) of this rocking arm (3) through being parallel to Y-axis line slideway (19) is hinged; Be equipped with rocking arm (3) back, and can to promote this rocking arm (3) be the hydraulic jack (21) that the axle center produces swing with described jointed shaft (2); Rocking arm (3) is equipped with X-axis line slideway (7) perpendicular to described Y-axis line slideway (19) with respect to the one side of emery wheel (11), being equipped with on this X-axis line slideway (7) can be at the mobile X-axis slide (8) of driving mechanism effect lower edge X-axis line slideway (7), X-axis slide (8) is provided with the A axle that drives turning down at driving mechanism, and an end of A axle is in order to install processed forming process bull wheel (9).
2. according to described spiral bevel gear of claim 1 and hypoid gear forming method large-gear grinding machine, it is characterized in that, on the lathe bed (1) of rocking arm (3) one sides, be arranged on the D axle that driving mechanism drives turning down, the removable emery wheel (10) of trimming wheel (11) usefulness is installed on the D axle.
3. according to described spiral bevel gear of claim 1 and hypoid gear forming method large-gear grinding machine, it is characterized in that, on the lathe bed (1) of emery wheel (11) below, the chip area (20) that is positioned at below lathe bed (1) end face is set.
4. according to described spiral bevel gear of claim 1 and hypoid gear forming method large-gear grinding machine, it is characterized in that, that installs in the described W axle (16) can produce consisting of of rotating eccentric C axle (17) under driving mechanism drives: an eccentric bushing as W axle (16) is set, and the tube chamber axial line is eccentric with respect to the axial line of eccentric bushing outer tube wall cylinder in this eccentric bushing; Setting-up eccentricity C axle (17) in the tube chamber in eccentric bushing.
5. according to described spiral bevel gear of claim 1 and hypoid gear forming method large-gear grinding machine, it is characterized in that, when grinding moves, this rocking arm (3) fixedlyed connected as a whole with Y-axis slide (14) and bindiny mechanism that can throw off during in non-grinding operation being provided with one between rocking arm (3) top and the Y-axis slide (14).
6. according to described spiral bevel gear of claim 5 and hypoid gear forming method large-gear grinding machine, it is characterized in that the structure of described bindiny mechanism is: be connected on Y-axis slide (14) a ∏ shape member (22) and this ∏ shape member (22) top are positioned at emery wheel case (15) top; The E axle line slideway (12) parallel with Y-axis line slideway (19) is installed at ∏ shape member (22) top, and on this E axle line slideway (12), be provided with can be in driving mechanism effect lower edge the mobile clamp mechanism (13) of this E axle line slideway (12); Fixedly install a contiguous block (4) at the top of rocking arm (3), the end face of this contiguous block (4) is to be the arc surface of axial line with jointed shaft (2), one end of connecting rod (5) has the connection elongated slot that is provided with along this pole length direction, and bolt (6) is fixed on the contiguous block (4) through the end of this connection elongated slot with connecting rod (5); The other end of connecting rod (5) has can be by the syndeton (23) of described Y-axis slide (14) upper clamping mechanism (13) clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215373XA CN101791725B (en) | 2009-12-25 | 2009-12-25 | Spiral bevel gear and hypoid gear forming method large-gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215373XA CN101791725B (en) | 2009-12-25 | 2009-12-25 | Spiral bevel gear and hypoid gear forming method large-gear grinding machine |
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| Publication Number | Publication Date |
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| CN101791725A CN101791725A (en) | 2010-08-04 |
| CN101791725B true CN101791725B (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910215373XA Expired - Fee Related CN101791725B (en) | 2009-12-25 | 2009-12-25 | Spiral bevel gear and hypoid gear forming method large-gear grinding machine |
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| CN (1) | CN101791725B (en) |
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| CN102357679B (en) * | 2011-11-10 | 2013-07-03 | 天津第一机床总厂 | Beam clamping device for numerically-controlled large spiral bevel gear broaching machine |
| CN103084670A (en) * | 2013-02-05 | 2013-05-08 | 长沙哈量凯帅精密机械有限公司 | Machine tool for machining large gear in spiral bevel gear pair |
| CN103111688A (en) * | 2013-02-05 | 2013-05-22 | 长沙哈量凯帅精密机械有限公司 | Machine tool for processing pinion of spiral bevel gear pair |
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| CN105935809A (en) * | 2015-12-19 | 2016-09-14 | 綦江祥和机械有限公司 | Gear slotting machine capable of being adjusted |
| CN107309500B (en) * | 2017-07-19 | 2023-07-04 | 益阳康益机械发展有限公司 | Circular track crowned tooth forming grinding swinging device |
| CN110328612A (en) * | 2019-08-19 | 2019-10-15 | 丹阳河工工具有限公司 | A kind of screw tap grinding attachment |
| CN113927100B (en) * | 2020-07-14 | 2023-02-03 | 中南大学 | Gear grinding method for gear worm and grinding wheel with gear with any shaft angle face |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464312A (en) * | 1966-08-05 | 1969-09-02 | Yutaka Seimitsu Kogyo Ltd | Gear cutting machine for generating hypoid gears |
| DE19829880A1 (en) * | 1998-07-04 | 1999-08-26 | Klingelnberg Soehne Gmbh | CNC machine for grinding and sharpening the tooth flanks of a spiral bevel gear |
| CN201579497U (en) * | 2009-12-25 | 2010-09-15 | 长沙哈量凯帅精密机械有限公司 | Grinding machine for forming gear of curved-tooth bevel gear and hypoid gear |
| CN101433983B (en) * | 2008-12-09 | 2010-09-29 | 天津第一机床总厂 | Numerical control tooth grinder for spiral bevel gear |
-
2009
- 2009-12-25 CN CN200910215373XA patent/CN101791725B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464312A (en) * | 1966-08-05 | 1969-09-02 | Yutaka Seimitsu Kogyo Ltd | Gear cutting machine for generating hypoid gears |
| DE19829880A1 (en) * | 1998-07-04 | 1999-08-26 | Klingelnberg Soehne Gmbh | CNC machine for grinding and sharpening the tooth flanks of a spiral bevel gear |
| CN101433983B (en) * | 2008-12-09 | 2010-09-29 | 天津第一机床总厂 | Numerical control tooth grinder for spiral bevel gear |
| CN201579497U (en) * | 2009-12-25 | 2010-09-15 | 长沙哈量凯帅精密机械有限公司 | Grinding machine for forming gear of curved-tooth bevel gear and hypoid gear |
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| CN101791725A (en) | 2010-08-04 |
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