CN102091831A - Special fixture for machining gear teeth of high-precision multi-gear - Google Patents
Special fixture for machining gear teeth of high-precision multi-gear Download PDFInfo
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- CN102091831A CN102091831A CN 201110035354 CN201110035354A CN102091831A CN 102091831 A CN102091831 A CN 102091831A CN 201110035354 CN201110035354 CN 201110035354 CN 201110035354 A CN201110035354 A CN 201110035354A CN 102091831 A CN102091831 A CN 102091831A
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Abstract
The invention discloses a special fixture for machining the gear teeth of a high-precision multi-gear, which is provided with a base; a large round hole for a central spindle to pass through is arranged at the center of the base, and the central spindle is fixed on the base; the lower end of the central spindle is in interference fit with a bottom hole of an operating platform after passing through the large round hole, and the upper end of the central spindle is sleeved with a workpiece; the upper end of a pull rod tightly presses the workpiece through a nut and an upper pressing washer after passing through a through hole arranged in the middle of the central spindle; and an adjusting device capable of adjusting a clearance with the workpiece is arranged at one side of the base. After being machined, a one-gear is clamped on the special fixture, the gear teeth of the other one-gear can be precisely machined, and the requirement for high precision of machining angle of the gear teeth of the current multi-gear is ensured. In addition, machining precision, stable working as well as convenience for installation and regulation can be guaranteed, and the special fixture is suitable for machining the gear teeth of the multi-gear with large scale and high angle requirements.
Description
Technical field
The invention belongs to the Machining Technology field, be specifically related to a kind of special fixture that is used for the processing of the high accuracy nest gear teeth.
Background technology
Some high-end equipments, appearance as automobile, wind-electric motor, steamer, the requirement on machining accuracy and the processed complex of gear industry are also increased gradually, the particularly processing of some multi-joint type gears, the corner accuracy of its two pairs of gear tooths requires very high, but prior art does not often reach related request, becomes the bottleneck that hinders Gear Processing.
Summary of the invention
The technical problem that the present invention solves: a kind of special fixture that is used for the processing of the high accuracy nest gear teeth is provided, after one Gear Processing is finished, by clamping on this special fixture, can accurately process the gear teeth of an other gear, guarantee the high-precision requirement of now nest gear teeth angle being processed.
The technical solution used in the present invention: the special fixture that is used for the processing of the high accuracy nest gear teeth, has base, described base center is shaped on the big hole and the mandrel that pass for mandrel and is fixed on the base, the bottom outlet interference fit with workbench is passed behind the big hole in described mandrel lower end, its upper end is set with workpiece, pull bar upper end is passed behind the through hole in the middle of the mandrel by nut and last pressure pad circle Work-sheet pressing, and described base one side is provided with the adjustable apparatus that can adjust with workpiece gap.
Described adjustable apparatus comprises positioning tooth piece, eccentric shaft and alignment pin, described positioning tooth piece one end is an arc-shaped structure, its other end is the height of toothed arcuate structure and arcuate structure and the height fit of workpiece, be shaped on the hole I in the middle of the described arc-shaped structure, described hole I is equipped with mounting hole in both sides up and down, be provided with locating hole in the middle of the described arcuate structure, also be shaped on the screwed hole I in the two sides of arcuate structure; In the described eccentric shaft patchhole I, bolt passes mounting hole the positioning tooth piece is fixed on the base, and the pin that in the described alignment pin insertion locating hole and its both sides are threaded into the screwed hole I pushes against.
Described mandrel is provided with boss, and the boss lower surface pushed against in the base upper surface when bottom outlet interference fit with workbench was passed behind the big hole in the mandrel lower end, is shaped on three counterbores that pass for the screw II on the described boss.
Be shaped on three big counterbores that supply the screw I to pass on the described base, also be shaped on three screwed hole II that match with the screw II of passing boss, described big hole one side also is shaped on the small sircle hole that passes for eccentric shaft, the small sircle hole both sides are shaped on the minor thread hole of matching with bolt, be provided with the hole II that matches with alignment pin between described big hole and the small sircle hole, also be shaped on the screwed hole III that matches with the screw III at the base side.
The present invention compared with prior art can guarantee machining accuracy, and stable working is installed easy to adjustly, is useful for nest gear teeth processing in enormous quantities, that high angle requires.
Description of drawings
Fig. 1 is a structural front view of the present invention;
Fig. 2 is a structure vertical view of the present invention;
Fig. 3 is a understructure schematic diagram of the present invention;
Fig. 4 is a positioning tooth block structure schematic diagram of the present invention;
Fig. 5 is the B-B cutaway view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing 1,2,3,4,5 a kind of embodiment of the present invention is described.
The special fixture that is used for the processing of the high accuracy nest gear teeth, has base 2, base 2 centers are shaped on the big hole 15 and the mandrel 4 that pass for mandrel 4 and are fixed on the base 2, bottom outlet 17 interference fit of big hole 15 backs and workbench 16 are passed in mandrel 4 lower ends, its upper end is set with workpiece 5, mandrel 4 is provided with boss 25, boss 25 lower surfaces push against in base 2 upper surfaces during bottom outlet 17 interference fit that big hole 15 back and workbench 16 are passed in mandrel 4 lower ends, are shaped on three counterbores 26 that pass for screw II 8 on the boss 17.Through hole 18 backs that pull bar 1 upper end is passed in the middle of the mandrel 4 compress workpiece 5 by nut 7 and last pressure pad circle 6, and base 2 one sides are provided with the adjustable apparatus that can adjust with workpiece 5 gaps.
Above-mentioned adjustable apparatus comprises positioning tooth piece 11, eccentric shaft 10 and alignment pin 9, positioning tooth piece 11 1 ends are arc-shaped structure 19, its other end is the height of toothed arcuate structure 20 and arcuate structure 20 and the height fit of workpiece 5, be shaped on hole I 21 in the middle of the arc-shaped structure 19, the hole I is equipped with mounting hole 22 in both sides about in the of 21, be provided with locating hole 23 in the middle of the arcuate structure 20, also be shaped on screwed hole I 24 in the two sides of arcuate structure 20; In the eccentric shaft 10 patchhole I 21, bolt 14 passes mounting hole 22 positioning tooth piece 11 is fixed on the base 2, and the pin 13 that in the alignment pin 9 insertion locating holes 23 and its both sides are threaded into screwed hole I 24 pushes against.
Be shaped on three big counterbores 27 that supply screw I 3 to pass on the base 2, also be shaped on three screwed hole II 28 that match with the screw II 8 of passing boss 17, big hole 15 1 sides also are shaped on the small sircle hole 29 that passes for eccentric shaft 10, small sircle hole 29 both sides are shaped on the minor thread hole 30 of matching with bolt 14, be provided with the hole II 31 that matches with alignment pin 9 between big hole 15 and the small sircle hole 29, also be shaped on the screwed hole III 32 that matches with screw III 12 at base 2 sides.
Operation principle: be contained in base 2 on the workbench 16 of gear shapping machine by three hexagon socket cap head screw I 3, mandrel 4 is fixed on the base 2 with bottom outlet 17 interference fit of workbench 16 and by three hexagon socket cap head screw II 8, workpiece 5 cooperates with mandrel 4 upper gap, and concrete fit tolerance is according to required precision.By last pressure pad circle 6, hex nut 7 and pull bar 1 that workpiece 5 is fixing, pull bar 1 is the gear shapping machine inner body.This anchor clamps primary structure is the adjustable apparatus part, positioning tooth piece 11 is installed on the base 2 and with two hexagon-headed bolts 14 by eccentric shaft 10 and fixes, can adjust the fit clearance of positioning tooth piece 11 and workpiece 5 according to the common normal size of workpiece 5 by eccentric shaft 10, interior hexagonal awl end holding screw III 12 is used for fixing rotating in a circumferential direction of eccentric shaft 10, guarantee machining accuracy, alignment pin 9 is fixed on the base 2 by positioning tooth piece 11, withstands alignment pin 9 and is adjusted to workpiece 5 needed angles and stationary positioned tooth piece 11 by rotating two interior hexagonals awl end tightening pins 13.
The above only is a better embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (4)
1. the special fixture that is used for the processing of the high accuracy nest gear teeth, has base (2), it is characterized in that: described base (2) center is shaped on the big hole (15) and the mandrel (4) that pass for mandrel (4) and is fixed on the base (2), bottom outlet (17) interference fit of big hole (15) back and workbench (16) is passed in described mandrel (4) lower end, its upper end is set with workpiece (5), through hole (18) back that pull bar (1) upper end is passed in the middle of the mandrel (4) compresses workpiece (5) by nut (7) and last pressure pad circle (6), and described base (2) one sides are provided with the adjustable apparatus that can adjust with workpiece (5) gap.
2. the special fixture that is used for the processing of the high accuracy nest gear teeth according to claim 1, it is characterized in that: described adjustable apparatus comprises positioning tooth piece (11), eccentric shaft (10) and alignment pin (9), described positioning tooth piece (11) one ends are arc-shaped structure (19), its other end is the height of toothed arcuate structure (20) and arcuate structure (20) and the height fit of workpiece (5), be shaped on hole I (21) in the middle of the described arc-shaped structure (19), described hole I (21) both sides up and down is equipped with mounting hole (22), be provided with locating hole (23) in the middle of the described arcuate structure (20), also be shaped on screwed hole I (24) in the two sides of arcuate structure (20); In described eccentric shaft (10) the patchhole I (21), bolt (14) passes mounting hole (22) positioning tooth piece (11) is fixed on the base (2), and the pin (13) that in described alignment pin (9) the insertion locating hole (23) and its both sides are threaded into screwed hole I (24) pushes against.
3. the special fixture that is used for the processing of the high accuracy nest gear teeth according to claim 1 and 2, it is characterized in that: described mandrel (4) is provided with boss (25), boss (25) lower surface pushes against in base (2) upper surface during bottom outlet (17) interference fit that big hole (15) back and workbench (16) are passed in mandrel (4) lower end, is shaped on three counterbores (26) that pass for screw II (8) on the described boss (17).
4. the special fixture that is used for the processing of the high accuracy nest gear teeth according to claim 3, it is characterized in that: be shaped on three big counterbores (27) that supply screw I (3) to pass on the described base (2), also be shaped on three screwed hole II (28) that match with the screw II (8) of passing boss (17), described big hole (15) one sides also are shaped on the small sircle hole (29) that passes for eccentric shaft (10), small sircle hole (29) both sides are shaped on the minor thread hole (30) of matching with bolt (14), be provided with the hole II (31) that matches with alignment pin (9) between described big hole (15) and the small sircle hole (29), also be shaped on the screwed hole III (32) that matches with screw III (12) at base (2) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110035354 CN102091831A (en) | 2011-01-30 | 2011-01-30 | Special fixture for machining gear teeth of high-precision multi-gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110035354 CN102091831A (en) | 2011-01-30 | 2011-01-30 | Special fixture for machining gear teeth of high-precision multi-gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102091831A true CN102091831A (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110035354 Pending CN102091831A (en) | 2011-01-30 | 2011-01-30 | Special fixture for machining gear teeth of high-precision multi-gear |
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| CN (1) | CN102091831A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100765A (en) * | 2012-12-12 | 2013-05-15 | 镇江汇通金属成型有限公司 | Method of machining gear with dedicated mold |
| CN103331496A (en) * | 2013-07-11 | 2013-10-02 | 重庆神箭汽车传动件有限责任公司 | Multi-linkage gear shaping quick positioning tool |
| CN103644283A (en) * | 2013-10-08 | 2014-03-19 | 大同齿轮(昆山)有限公司 | Eccentric helical gear and machining process |
| CN104439531A (en) * | 2014-10-21 | 2015-03-25 | 方小刚 | Spiral gear machining mechanism driven by motor |
| CN111069714A (en) * | 2019-12-30 | 2020-04-28 | 綦江齿轮传动有限公司 | Method for aligning gear hobbing of intermediate shaft |
| CN112222541A (en) * | 2020-10-28 | 2021-01-15 | 宜昌长机科技有限责任公司 | Clamp exchange workbench mechanism of medium-sized gear shaper and operation method |
| CN112439960A (en) * | 2020-12-23 | 2021-03-05 | 陕西华达科技股份有限公司 | Linear cutting machine clamping frock |
| CN114101810A (en) * | 2021-12-21 | 2022-03-01 | 中国航发中传机械有限公司 | Gear shaping clamp structure for machining duplicate gear and using method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0852982A1 (en) * | 1997-01-09 | 1998-07-15 | Zexel Corporation | Method for rotationally driving gear material when hob machining is performed, and gear |
| JP2006043809A (en) * | 2004-08-04 | 2006-02-16 | Nabtesco Corp | Method for manufacturing external gear |
| CN200977581Y (en) * | 2006-12-14 | 2007-11-21 | 天津市精诚机床制造有限公司 | Clamp device for axial gear workpiece |
| CN201405142Y (en) * | 2009-05-04 | 2010-02-17 | 盐城市金洲机械制造有限公司 | Gear shaving clamping apparatus |
| CN202062134U (en) * | 2011-01-30 | 2011-12-07 | 江苏中力齿轮有限公司 | Special clamp used for high-precision processing for gear teeth of multi-link gear |
-
2011
- 2011-01-30 CN CN 201110035354 patent/CN102091831A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0852982A1 (en) * | 1997-01-09 | 1998-07-15 | Zexel Corporation | Method for rotationally driving gear material when hob machining is performed, and gear |
| JP2006043809A (en) * | 2004-08-04 | 2006-02-16 | Nabtesco Corp | Method for manufacturing external gear |
| CN200977581Y (en) * | 2006-12-14 | 2007-11-21 | 天津市精诚机床制造有限公司 | Clamp device for axial gear workpiece |
| CN201405142Y (en) * | 2009-05-04 | 2010-02-17 | 盐城市金洲机械制造有限公司 | Gear shaving clamping apparatus |
| CN202062134U (en) * | 2011-01-30 | 2011-12-07 | 江苏中力齿轮有限公司 | Special clamp used for high-precision processing for gear teeth of multi-link gear |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100765A (en) * | 2012-12-12 | 2013-05-15 | 镇江汇通金属成型有限公司 | Method of machining gear with dedicated mold |
| CN103331496A (en) * | 2013-07-11 | 2013-10-02 | 重庆神箭汽车传动件有限责任公司 | Multi-linkage gear shaping quick positioning tool |
| CN103331496B (en) * | 2013-07-11 | 2016-04-06 | 重庆神箭汽车传动件有限责任公司 | Nest gear shaping quick position frock |
| CN103644283A (en) * | 2013-10-08 | 2014-03-19 | 大同齿轮(昆山)有限公司 | Eccentric helical gear and machining process |
| CN103644283B (en) * | 2013-10-08 | 2016-06-08 | 大同齿轮(昆山)有限公司 | A kind of eccentric helical gear and complete processing |
| CN104439531A (en) * | 2014-10-21 | 2015-03-25 | 方小刚 | Spiral gear machining mechanism driven by motor |
| CN111069714A (en) * | 2019-12-30 | 2020-04-28 | 綦江齿轮传动有限公司 | Method for aligning gear hobbing of intermediate shaft |
| CN111069714B (en) * | 2019-12-30 | 2021-05-11 | 綦江齿轮传动有限公司 | Method for aligning gear hobbing of intermediate shaft |
| CN112222541A (en) * | 2020-10-28 | 2021-01-15 | 宜昌长机科技有限责任公司 | Clamp exchange workbench mechanism of medium-sized gear shaper and operation method |
| CN112222541B (en) * | 2020-10-28 | 2021-11-02 | 宜昌长机科技有限责任公司 | Clamp exchange workbench mechanism of medium-sized gear shaper and operation method |
| CN112439960A (en) * | 2020-12-23 | 2021-03-05 | 陕西华达科技股份有限公司 | Linear cutting machine clamping frock |
| CN114101810A (en) * | 2021-12-21 | 2022-03-01 | 中国航发中传机械有限公司 | Gear shaping clamp structure for machining duplicate gear and using method |
| CN114101810B (en) * | 2021-12-21 | 2023-02-07 | 中国航发中传机械有限公司 | Gear shaping clamp structure for machining duplicate gear and using method |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20110615 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |