CN102337388A - Device for correcting out-of-roundness of carburized and quenched gear ring and correction method - Google Patents
Device for correcting out-of-roundness of carburized and quenched gear ring and correction method Download PDFInfo
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- CN102337388A CN102337388A CN2011102582554A CN201110258255A CN102337388A CN 102337388 A CN102337388 A CN 102337388A CN 2011102582554 A CN2011102582554 A CN 2011102582554A CN 201110258255 A CN201110258255 A CN 201110258255A CN 102337388 A CN102337388 A CN 102337388A
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- fastener
- roundness
- ring gear
- limit ring
- end part
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Abstract
The invention discloses a device for correcting the out-of-roundness of a carburized and quenched gear ring, which comprises an outer support head, a wedge pin and an inner support head, wherein the longitudinal section of one end part of the outer support head is rectangular, a small rectangular hole is formed on the upper surface of the end part, a large rectangular hole communicated with the small rectangular hole is formed in the end part, and the cross section of the other end part of the outer support head is in the shape of a wedge; the longitudinal section of one end part of the inner support head is rectangular, the end surface is an oblique end surface, the end part is correspondingly matched with the large rectangular hole in one end part of the outer support head, and the cross section of the other end part of the inner support head is in the shape of the wedge; and the wedge pin is inserted into the small rectangular hole on the upper surface of one end part of the outer support head, the vertical side surface of the wedge pin is jointed with the bottom surface of the large rectangular hole in the end part of the outer support head, and the oblique side surface which is opposite to the vertical side surface is jointed with the oblique end surface of one end part of the inner support head. The invention further discloses a correction method for correcting the out-of-roundness of the carburized and quenched gear ring. By adopting the device and the method, the equipment investment and the manufacturing cost are greatly lowered, the energy is saved, the emission is reduced, and the production efficiency is effectively improved.
Description
Technical field
The invention belongs to mechanical component machining deformation correction device and bearing calibration, relate in particular to a kind of device and bearing calibration of proofreading and correct carburizing and quenching gear ring out of roundness, be used for the correction of the heat treatment deformation of automotive axle wheel limit ring gear.
Background technology
Wheel limit ring gear is the strength member of heavy and extraordinary vehicle bridge wheel limit differential mechanism.In order to satisfy performance requriements, the ring gear design is carried out carburizing and quenching, temper after adopting the processing of low-alloy structural steel forgings, system tooth, and to the out of roundness of ring gear have relatively high expectations (be generally≤0.20mm).Carburizing and quenching, tempering are generally adopted in the processing of ring gear at present; Then the out of roundness of heat-treatment ring gear is measured sorting; Must be incubated the back single-piece at the controlled atmosphere generator internal heating once more to the overproof product of out of roundness comes out of the stove; Single-piece is quenched on Quenching press, temper, reaches the process method of qualified requirement to guarantee ultra-poor products.Though this kind processing scheme and method are generally adopted, have following defective: (1) carburizing and quenching operation also need dispose equipment such as Quenching press and controlled atmosphere process furnace except that the cementing furnace of necessity, and investment is big; (2) owing to carried out thermal treatment once more the control of the metallographic structure of workpiece is brought risk; (3) energy consumption is high, tooling cost is high; (4) production cycle is long.Therefore, above situation needs further to improve.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective; A kind of device of proofreading and correct carburizing and quenching gear ring out of roundness is provided, and it can improve the efficient of out of roundness correcting process after ring gear carburizing and quenching, the tempering, reduces cost and drops into; Energy-saving and emission-reduction are shortened the production cycle, are enhanced productivity.The present invention also provides a kind of bearing calibration of proofreading and correct carburizing and quenching gear ring out of roundness.
A kind of device of proofreading and correct carburizing and quenching gear ring out of roundness of the present invention; Comprise outer fastener, taper, interior fastener; It is characterized in that: the longitudinal section of said outer fastener one end is rectangular; Be provided with a little rectangular opening above this end, be provided with the large rectangle hole that communicates with little rectangular opening in this end, the transverse section of the other end of outer fastener is wedge shape;
The longitudinal section of fastener one end is rectangular in said, and end face is an inclined end face, the large rectangle hole corresponding matching in this end and outer fastener one end, and the transverse section of the other end of interior fastener is wedge shape;
Said taper inserts the little rectangular opening above outer fastener one end, and fit in the bottom surface in the large rectangle hole in its vertical side and this end of outer fastener and the inclined end face of vertical opposing inclined side, side and interior fastener one end is fitted.
Described a kind of device of proofreading and correct carburizing and quenching gear ring out of roundness, the other end of its said outer fastener and the other end of interior fastener all can be measured the overproof wheel limit ring gear internal tooth engagement of distortion with warp.
Described a kind of bearing calibration of proofreading and correct carburizing and quenching gear ring out of roundness, its step is following:
The first step; A kind of device of proofreading and correct carburizing and quenching gear ring out of roundness of the present invention packed into measure in the overproof wheel limit ring gear of out of roundness; The internal tooth engagement of the minor axis (promptly taking turns the less diameter of limit ring gear) of the other end of outer fastener and interior fastener and wheel limit ring gear; Respectively taper is knocked or exert pressure by varying in size of the value of delta of the major axis (promptly taking turns the bigger diameter of limit ring gear) of wheel limit ring gear out of roundness, minor axis; To promote outer fastener and interior fastener support rising wheel limit ring gear, major axis, the minor axis of wheel limit ring gear are changed, and locking support amount;
Second step, after the wheel limit ring gear of this device of will packing into is put into low temperature oven and is carried out stabilization treatment, the air cooling of coming out of the stove;
The 3rd step, wait to take turns and withdraw from taper again after the limit ring gear is as cold as room temperature, outer fastener and interior fastener meeting return, wheel limit ring gear out of roundness resilience is proofreaied and correct its major axis, minor axis difference with this, reaches the out of roundness of correcting wheel limit ring gear.
Correction after adopting device of the present invention and bearing calibration to wheel limit ring gear thermal treatment need not heat-treated once more; Only need carry out stabilization treatment at low temperatures; Not only significantly reduce facility investment and manufacturing cost, energy-saving and emission-reduction, and shortened the production cycle, improved production efficiency effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a user mode synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Referring to a kind of device of proofreading and correct carburizing and quenching gear ring out of roundness illustrated in figures 1 and 2, comprise outer fastener 1, taper 2, interior fastener 3;
The longitudinal section of outer fastener 1 one ends is rectangular, is provided with a little rectangular opening above this end, is provided with the large rectangle hole that communicates with little rectangular opening in this end, and the transverse section of the other end of outer fastener 1 is wedge shape;
The longitudinal section of interior fastener 3 one ends is rectangular, and end face is an inclined end face, the large rectangle hole corresponding matching in this end and outer fastener 1 one ends, and the transverse section of the other end of interior fastener 3 is wedge shape;
The little rectangular opening that said taper 2 inserts above outer fastener one end, fit in the bottom surface in the large rectangle hole in its vertical side and this end of outer fastener and the inclined end face of vertical opposing inclined side, side and interior fastener one end is fitted.
The overproof wheel limit ring gear 4 internal tooths engagement of distortion all can be measured with warp in the other end of the other end of said outer fastener 1 and interior fastener 3.
Referring to Fig. 3, a kind of bearing calibration of proofreading and correct carburizing and quenching gear ring out of roundness of the present invention, its step is following:
The first step; A kind of device of proofreading and correct carburizing and quenching gear ring out of roundness of the present invention packed into measure in the overproof wheel limit ring gear 4 of out of roundness; Mesh with the internal tooth of the minor axis (promptly taking turns the less diameter of limit ring gear) of taking turns limit ring gear 4 the other end of outer fastener 1 and interior fastener 3; Respectively taper 2 is knocked or exert pressure by varying in size of the value of delta of the major axis (promptly taking turns the bigger diameter of limit ring gear) of wheel limit ring gear out of roundness, minor axis; To promote outer fastener and interior fastener support rising wheel limit ring gear, major axis, the minor axis of wheel limit ring gear are changed, and locking support amount;
Second step, after the wheel limit ring gear 4 of this device of will packing into is put into low temperature oven and is carried out stabilization treatment (150-180 ℃, 2 hours), the air cooling of coming out of the stove;
The 3rd step, wait to take turns and withdraw from taper 2 again after limit ring gear 4 is as cold as room temperature, outer fastener 1 and interior fastener 3 automatically loosening returns, wheel limit ring gear out of roundness resilience is proofreaied and correct its major axis, minor axis difference with this, reaches the out of roundness of correcting wheel limit ring gear.
Wherein outer fastener of this device and interior fastener must mesh with the teeth groove useful length of wheel limit ring gear, necessarily require can be through adjustment taper and the binding face of outer fastener and interior fastener gradient to limit the maximum support amount of this device.
Its concrete support amount of rising should be the maximum execution to measure 3 times of the long and short axle difference of being out of shape ring gear during the present invention implemented; Upon request the gradient that combines the inclined-plane of taper and fastener and can self-locking and be convenient to release with the maximum support amount of restriction correction device for emphasis in the design of correction device.The purpose of stabilization treatment be the gear ring interior tissue that can make distortion once more fully change, when the amount minimizing of withdrawing from the loosening automatically back gear ring resilience of taper, fastener.The isoparametric formulation of its treatment temp and soaking time must strictly be carried out, and the result must not be influential to product performance.
What embodiments of the invention were announced is preferred embodiment; But do not limit to therewith, those of ordinary skill in the art is very easily according to the above embodiments; Understand spirit of the present invention; And make different amplifications and variation, but only otherwise break away from spirit of the present invention, all in protection scope of the present invention.
Claims (3)
1. a device of proofreading and correct carburizing and quenching gear ring out of roundness comprises outer fastener (1), taper (2), interior fastener (3), it is characterized in that:
The longitudinal section of said outer fastener (1) one end is rectangular, is provided with a little rectangular opening above this end, is provided with the large rectangle hole that communicates with little rectangular opening in this end, and the transverse section of the other end of outer fastener (1) is wedge shape;
The longitudinal section of fastener (3) one ends is rectangular in said, and end face is an inclined end face, the large rectangle hole corresponding matching in this end and outer fastener (1) one end, and the transverse section of the other end of interior fastener (3) is wedge shape;
Said taper (2) inserts the little rectangular opening above outer fastener one end, and fit in the bottom surface in the large rectangle hole in its vertical side and this end of outer fastener and the inclined end face of vertical opposing inclined side, side and interior fastener one end is fitted.
2. a kind of device of proofreading and correct carburizing and quenching gear ring out of roundness according to claim 1 is characterized in that: overproof wheel limit ring gear (4) the internal tooth engagement of distortion all can be measured with warp in the other end of the other end of said outer fastener (1) and interior fastener (3).
3. as utilizing the bearing calibration of the described device correction carburizing and quenching of claim 1 gear ring out of roundness, its step is following:
The first step; The described device of claim packed into measure in the overproof wheel limit ring gear (4) of out of roundness; The internal tooth engagement of the other end of outer fastener (1) and interior fastener (3) and the minor axis of wheel limit ring gear (4) is knocked taper (2) respectively or is exerted pressure by varying in size of the value of delta of the major axis of wheel limit ring gear out of roundness, minor axis, rises and takes turns the limit ring gear to promote the support of outer fastener and interior fastener; Major axis, the minor axis of wheel limit ring gear are changed, and locking support amount;
Second step, after the wheel limit ring gear (4) of this device of will packing into is put into low temperature oven and is carried out stabilization treatment, the air cooling of coming out of the stove;
The 3rd step, wait to take turns and withdraw from taper (2) again after limit ring gear (4) is as cold as room temperature, outer fastener (1) and interior fastener (3) meeting return, wheel limit ring gear out of roundness resilience is proofreaied and correct its major axis, minor axis difference with this, reaches the out of roundness of correcting wheel limit ring gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258255 CN102337388B (en) | 2011-09-02 | 2011-09-02 | Device for correcting out-of-roundness of carburized and quenched gear ring and correction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258255 CN102337388B (en) | 2011-09-02 | 2011-09-02 | Device for correcting out-of-roundness of carburized and quenched gear ring and correction method |
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| Publication Number | Publication Date |
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| CN102337388A true CN102337388A (en) | 2012-02-01 |
| CN102337388B CN102337388B (en) | 2013-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813561A (en) * | 2017-03-31 | 2017-06-09 | 慈溪市三佩机械有限公司 | A kind of automotive electronics helps the internal tooth common normal measurement apparatus of the system of stopping |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643832A (en) * | 2009-09-02 | 2010-02-10 | 大连华锐股份有限公司 | Method for preventing circularity over tolerance of large gear ring after heat treatment |
| CN201952458U (en) * | 2010-12-31 | 2011-08-31 | 哈尔滨东安汽车动力股份有限公司 | Gear shaft thermal treatment tooling device |
| CN202201937U (en) * | 2011-09-02 | 2012-04-25 | 重庆大江工业有限责任公司 | Device for correcting non-roundness of carburizing and quenching gear ring |
-
2011
- 2011-09-02 CN CN 201110258255 patent/CN102337388B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643832A (en) * | 2009-09-02 | 2010-02-10 | 大连华锐股份有限公司 | Method for preventing circularity over tolerance of large gear ring after heat treatment |
| CN201952458U (en) * | 2010-12-31 | 2011-08-31 | 哈尔滨东安汽车动力股份有限公司 | Gear shaft thermal treatment tooling device |
| CN202201937U (en) * | 2011-09-02 | 2012-04-25 | 重庆大江工业有限责任公司 | Device for correcting non-roundness of carburizing and quenching gear ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813561A (en) * | 2017-03-31 | 2017-06-09 | 慈溪市三佩机械有限公司 | A kind of automotive electronics helps the internal tooth common normal measurement apparatus of the system of stopping |
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| CN102337388B (en) | 2013-05-22 |
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Effective date of registration: 20190515 Address after: 401321 Fenghua Road, Yudong, Banan District, Chongqing, 901 Patentee after: Chongqing Dajiang Cheqiao Co., Ltd. Address before: 401321 Dajiang Industrial Park, Yudong Town, Banan District, Chongqing Patentee before: Chongqing Dajiang Industrial Co., Ltd. |
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