CN105065625A - High precision energy saving vehicle main reducer driven gear and surface treatment method thereof - Google Patents
High precision energy saving vehicle main reducer driven gear and surface treatment method thereof Download PDFInfo
- Publication number
- CN105065625A CN105065625A CN201510397692.2A CN201510397692A CN105065625A CN 105065625 A CN105065625 A CN 105065625A CN 201510397692 A CN201510397692 A CN 201510397692A CN 105065625 A CN105065625 A CN 105065625A
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- China
- Prior art keywords
- driven gear
- main reducer
- reducer driven
- automobile main
- gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Retarders (AREA)
Abstract
The invention discloses a high precision energy saving vehicle main reducer driven gear comprising a gear body (1); the center of the gear body (1) is provided with an inner hole (2); one side of the gear body (1) is provided with a groove (3), and the other side is provided with a boss (4); an inner hole (2) periphery on one side of the groove (3) is provided with a screw mounting boss (5) having a screw mounting hole (6); the periphery of the gear body (1) is provided with trapezoid convex teeth (7). The high precision energy saving vehicle main reducer driven gear is reasonable in structure design, high in precision, good in stability, high in transmission efficiency, saves energy, and is environmental friendly and long in life. Mass tests are made so as to select the best gear surface treatment methods like hydrogen burning treatment technology, deburrer technology, carbonitriding processing technology and electrolytic polishing technology, so the obtain gear is very high in precision, high in hardness, very excellent in performance, saves energy, and is environment friendly.
Description
Technical field
The present invention relates to a kind of mechanical transmission, it is high, stable to be specifically related to a kind of assembly precision, and the automobile main reducer driven gear of energy-conserving and environment-protective, belongs to mechanical equipment technical field.
Background technique
The mechanism that torque and rotational speed can change by main reducing gear (finalreductiondrive) in ransaxle.Basic training, with being that torque by from speed changer or universal driving device increases, reducing rotating speed simultaneously and changes the direction of transfer of torque.Main reducing gear is formed speed reducing gear pair by a pair or several.Power is exported through driven gear by driving gear input.
The gear of main reducing gear is the important transmission part of main reducing gear, and the gear of existing main reducing gear is reasonable not due to structure designing, and meshing not firmly steady, at the bottom of precision, meshing poor, transmission efficiency is not high, and transmission is steady not; Often occur abnormal sound, functional reliability is not high, and working life is shorter.
Therefore, on the basis of existing technology necessary, research and develop a kind of reasonable in design, precision is high, and meshing firmly steady, transmission efficiency is high, energy-conserving and environment-protective, the automobile main reducer driven gear of long service life.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, provide a kind of reasonable in design, precision is high, meshing firmly steady, transmission efficiency is high, energy-conserving and environment-protective, the automobile main reducer driven gear of long service life.Another object of the present invention is to provide the processing methods such as the surperficial deburring polishing of this automobile main reducer driven gear.
Technological scheme: in order to realize object of the present invention, the technical solution used in the present invention is:
The automobile main reducer driven gear that a kind of highi degree of accuracy is energy-conservation, it comprises gear, described gear center offers endoporus, described gear side offers groove, opposite side is provided with boss, be provided with screw installation base in the endoporus periphery of the one side of groove, described screw installation base offers screw mounting hole, described gear periphery is provided with trapezoidal double wedge.
Preferably, the automobile main reducer driven gear that above-described highi degree of accuracy is energy-conservation, on described screw installation base, interval evenly offers 4 ~ 8 screw mounting holes.Be more preferably and offer 6 uniform screw mounting holes in interval.
Preferably, the automobile main reducer driven gear that above-described highi degree of accuracy is energy-conservation, the height of described boss is higher than the height of taking turns body surface.
The deburring polishing method of the automobile main reducer driven gear that highi degree of accuracy of the present invention is energy-conservation, comprises the following steps:
1) get the thick part of automobile main reducer driven gear processed, be placed in the process of hydrogen-burning stove annealing in hydrogen atmosphere, the temperature of annealing in hydrogen atmosphere process is 500 ~ 600 DEG C, and the annealing in hydrogen atmosphere time is 20 ~ 25 minutes;
2) to step 1) the thick part of automobile main reducer driven gear after annealing in hydrogen atmosphere process carries out deburring process, thick for automobile main reducer driven gear part is put into ultrasonic container, after allowing, emery lapping liquid is poured in ultrasonic container, open ultrasonoscope, ultrasonic 6 to 15 minutes;
3) to step 2) automobile main reducer driven gear after deburring process carries out carbonitriding process, makes infiltration layer be 0.5 ~ 0.8 millimeter;
4) to step 3) automobile main reducer driven gear after carbonitriding process carries out polishing treatment, and automobile main reducer driven gear being put into concentration is 150g/L ~ 300g/LNa
2sO
4, 5g/L ~ 15g/LNa
2hPO
4, 3g/L ~ 12g/L nickelous sulfate, in the silicone oil of 10 ~ 15mL/L and the mixed solution of 5g/L ~ 10g/LNaCl, at 80 DEG C ~ 15 DEG C, polishing voltage is under 12V ~ 18V condition, carries out electropolishing process 60s ~ 90s;
5) by step 4) automobile main reducer driven gear after polishing immerses chromic acid, and remove oxide on surface and obtain the energy-conservation automobile main reducer driven gear of highi degree of accuracy.
Preferably, the deburring polishing method of the automobile main reducer driven gear that above-described highi degree of accuracy is energy-conservation, step 2) described in the medium of emery lapping liquid be glycerine, the concentration of emery is 80 grams per liters.The present invention is to ultrasonic deburring time, ultrasonic deburring temperature, deburring medium and ultrasonic power etc. carry out great many of experiments screening, finally determine best ultrasonic debarring process, adopt ultrasonic burr removing method provided by the invention, size can be removed efficiently little, the burr of the gear surface that precision requirement is high.
Preferably, the deburring polishing method of the automobile main reducer driven gear that above-described described highi degree of accuracy is energy-conservation, step 3) at 95 DEG C, polishing voltage is under 16V condition, carries out electropolishing process 80s.The present invention filters out best glossing by great many of experiments, best electrolytic polishing liquid is optimized especially by great many of experiments, the process parameter conditions such as decomposition voltage, time, temperature, can be good at the burr removing gear surface, degree of finish can be made to improve a grade, consume little to the size of gear in polishing process, the precision of polishing is high, greatly can improve the precision of gear.
Preferably, the deburring polishing method of the automobile main reducer driven gear that above-described described highi degree of accuracy is energy-conservation, step 1) temperature of annealing in hydrogen atmosphere process is 560 DEG C, the annealing in hydrogen atmosphere time is 25 minutes.Adopt preferred annealing in hydrogen atmosphere process treating, the stress of gear can be removed, improve the hardness of gear and be subject to force intensity.
The deburring polishing method of the automobile main reducer driven gear that described highi degree of accuracy of the present invention is energy-conservation, by carbonitriding process, makes infiltration layer be 0.5 ~ 0.8 millimeter; Gear surface hardness can be made to reach 56 ~ 62HRC, and gear core hardness reaches 33 ~ 45HRC, has excellent performance.
The present invention designs boss in gear one side, when fine finishing, effectively can avoid the damage of cutter, save production cost; And when processing endoporus, can process together by boss therewith, the required precision of assembling base plane can be ensured, meet and ensure the perpendicularity of the parts that wheel body is attached thereto and the requirement of coaxality, great raising assembly quality, can avoid because the perpendicularity of wheel body and connected element and coaxality bad, increasing of beating, the defect of shortening gear life cycle.
Beneficial effect: compared to the prior art the automobile main reducer driven gear that highi degree of accuracy provided by the invention is energy-conservation and surface treatment method thereof have the following advantages:
1. the automobile main reducer driven gear that highi degree of accuracy provided by the invention is energy-conservation, reasonable in design, precision is high, and stationarity is good, and assembly precision is high, and perpendicularity and the coaxality of wheel body and connected element are high, and transmission efficiency is high, energy-conserving and environment-protective, long service life.
2. the surface treatment method such as deburring polishing of the automobile main reducer driven gear that highi degree of accuracy provided by the invention is energy-conservation, best annealing in hydrogen atmosphere treatment process is filtered out by great many of experiments, debarring process, carbonitriding treatment process and electrolytic polishing process etc., can obtain precision very high, hardness is high, performance is very superior, and automobile main reducer coordinates very excellent, and transmission efficiency is high, energy saving and environment friendly strong gear, achieves very excellent technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the energy-conservation automobile main reducer driven gear of highi degree of accuracy provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Embodiment 1
As shown in Figure 1, the automobile main reducer driven gear that a kind of highi degree of accuracy is energy-conservation, it comprises gear (1), described gear (1) center offers endoporus (2), described gear (1) side offers groove (3), opposite side is provided with boss (4), screw installation base (5) is provided with in endoporus (2) periphery of the one side of groove (3), described screw installation base (5) offers screw mounting hole (6), and described gear (1) periphery is provided with trapezoidal double wedge (7).
The automobile main reducer driven gear that above-described highi degree of accuracy is energy-conservation, the upper interval of described screw installation base (5) evenly offers 6 screw mounting holes (5).
The automobile main reducer driven gear that above-described highi degree of accuracy is energy-conservation, the height of described boss (4) is higher than the height on gear (1) surface.
Embodiment 2
The deburring polishing method of the automobile main reducer driven gear that highi degree of accuracy of the present invention is energy-conservation, it comprises the following steps:
1) get the thick part of automobile main reducer driven gear processed, be placed in the process of hydrogen-burning stove annealing in hydrogen atmosphere, the temperature of annealing in hydrogen atmosphere process is 500 DEG C, and the annealing in hydrogen atmosphere time is 20 minutes;
2) to step 1) the thick part of automobile main reducer driven gear after annealing in hydrogen atmosphere process carries out deburring process, thick for automobile main reducer driven gear part is put into ultrasonic container, after allowing, emery lapping liquid is poured in ultrasonic container, open ultrasonoscope, ultrasonic 12 minutes;
3) to step 2) automobile main reducer driven gear after deburring process carries out carbonitriding process, makes infiltration layer be 0.5 ~ 0.8 millimeter;
4) to step 3) automobile main reducer driven gear after carbonitriding process carries out polishing treatment, and automobile main reducer driven gear being put into concentration is 150g/L ~ 300g/LNa
2sO
4, 5g/L ~ 15g/LNa
2hPO
4, 3g/L ~ 12g/L nickelous sulfate, in the silicone oil of 10 ~ 15mL/L and the mixed solution of 5g/L ~ 10g/LNaCl, at 80 DEG C, polishing voltage is under 12V condition, carries out electropolishing process 60s;
5) by step 4) automobile main reducer driven gear after polishing immerses chromic acid, and remove oxide on surface and obtain the energy-conservation automobile main reducer driven gear of highi degree of accuracy.
The deburring polishing method of the automobile main reducer driven gear that above-described highi degree of accuracy is energy-conservation, step 2) described in the medium of emery lapping liquid be glycerine, the concentration of emery is 80 grams per liters.
Embodiment 3
The deburring polishing method of the automobile main reducer driven gear that highi degree of accuracy of the present invention is energy-conservation, it comprises the following steps:
1) get the thick part of automobile main reducer driven gear processed, be placed in the process of hydrogen-burning stove annealing in hydrogen atmosphere, the temperature of annealing in hydrogen atmosphere process is 560 DEG C, and the annealing in hydrogen atmosphere time is 25 minutes;
2) to step 1) the thick part of automobile main reducer driven gear after annealing in hydrogen atmosphere process carries out deburring process, thick for automobile main reducer driven gear part is put into ultrasonic container, after allowing, emery lapping liquid is poured in ultrasonic container, open ultrasonoscope, ultrasonic 15 minutes;
3) to step 2) automobile main reducer driven gear after deburring process carries out carbonitriding process, makes infiltration layer be 0.5 ~ 0.8 millimeter;
4) to step 3) automobile main reducer driven gear after carbonitriding process carries out polishing treatment, and automobile main reducer driven gear being put into concentration is 150g/L ~ 300g/LNa
2sO
4, 5g/L ~ 15g/LNa
2hPO
4, 3g/L ~ 12g/L nickelous sulfate, in the silicone oil of 10 ~ 15mL/L and the mixed solution of 5g/L ~ 10g/LNaCl, at 95 DEG C, polishing voltage is under 16V condition, carries out electropolishing process 80s;
5) by step 4) automobile main reducer driven gear after polishing immerses chromic acid, and remove oxide on surface and obtain the energy-conservation automobile main reducer driven gear of highi degree of accuracy.
The deburring polishing method of the automobile main reducer driven gear that above-described highi degree of accuracy is energy-conservation, step 2) described in the medium of emery lapping liquid be glycerine, the concentration of emery is 80 grams per liters.
The automobile main reducer driven gear precision that surface treatment of the present invention obtains is high, and hardness is strong, and transmission efficiency exceeds 30% than prior art, achieves extraordinary technological progress.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the automobile main reducer driven gear that a highi degree of accuracy is energy-conservation, it is characterized in that, it comprises gear (1), described gear (1) center offers endoporus (2), described gear (1) side offers groove (3), opposite side is provided with boss (4), screw installation base (5) is provided with in endoporus (2) periphery of the one side of groove (3), described screw installation base (5) offers screw mounting hole (6), and described gear (1) periphery is provided with trapezoidal double wedge (7).
2. the automobile main reducer driven gear that highi degree of accuracy according to claim 1 is energy-conservation, is characterized in that, the upper interval of described screw installation base (5) evenly offers 4 ~ 8 screw mounting holes (5).
3. the automobile main reducer driven gear that highi degree of accuracy according to claim 4 is energy-conservation, is characterized in that, the height of described boss (4) is higher than the height on gear (1) surface.
4. the deburring polishing method of the automobile main reducer driven gear that the highi degree of accuracy described in any one of claims 1 to 3 is energy-conservation, is characterized in that, comprise the following steps:
1) get the thick part of automobile main reducer driven gear processed, be placed in the process of hydrogen-burning stove annealing in hydrogen atmosphere, the temperature of annealing in hydrogen atmosphere process is 500 ~ 600 DEG C, and the annealing in hydrogen atmosphere time is 20 ~ 25 minutes;
2) to step 1) the thick part of automobile main reducer driven gear after annealing in hydrogen atmosphere process carries out deburring process, thick for automobile main reducer driven gear part is put into ultrasonic container, after allowing, emery lapping liquid is poured in ultrasonic container, open ultrasonoscope, ultrasonic 6 to 15 minutes;
3) to step 2) automobile main reducer driven gear after deburring process carries out carbonitriding process, makes infiltration layer be 0.5 ~ 0.8 millimeter;
4) to step 3) automobile main reducer driven gear after carbonitriding process carries out polishing treatment, and automobile main reducer driven gear being put into concentration is 150g/L ~ 300g/LNa
2sO
4, 5g/L ~ 15g/LNa
2hPO
4, 3g/L ~ 12g/L nickelous sulfate, in the silicone oil of 10 ~ 15mL/L and the mixed solution of 5g/L ~ 10g/LNaCl, at 80 DEG C ~ 150 DEG C, polishing voltage is under 12V ~ 18V condition, carries out electropolishing process 60s ~ 90s;
5) by step 4) automobile main reducer driven gear after polishing immerses chromic acid, and remove oxide on surface and obtain the energy-conservation automobile main reducer driven gear of highi degree of accuracy.
5. the deburring polishing method of the automobile main reducer driven gear that highi degree of accuracy according to claim 4 is energy-conservation, is characterized in that, step 2) described in the medium of emery lapping liquid be glycerine, the concentration of emery is 80 grams per liters.
6. the deburring polishing method of the automobile main reducer driven gear that highi degree of accuracy according to claim 4 is energy-conservation, is characterized in that, step 4) at 95 DEG C, polishing voltage is under 16V condition, carries out electropolishing process 80s.
7. the deburring polishing method of the automobile main reducer driven gear that highi degree of accuracy according to claim 4 is energy-conservation, is characterized in that, step 1) temperature of annealing in hydrogen atmosphere process is 560 DEG C, the annealing in hydrogen atmosphere time is 25 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510397692.2A CN105065625A (en) | 2015-07-08 | 2015-07-08 | High precision energy saving vehicle main reducer driven gear and surface treatment method thereof |
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| CN201510397692.2A CN105065625A (en) | 2015-07-08 | 2015-07-08 | High precision energy saving vehicle main reducer driven gear and surface treatment method thereof |
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| CN105065625A true CN105065625A (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108287227A (en) * | 2017-12-25 | 2018-07-17 | 新兴铸管（浙江）铜业有限公司 | A kind of diameter 8mm continuous casting and rolling low oxygens copper bar high oxygen content accuracy checking method |
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| CB02 | Change of applicant information |
Address after: National Park 224400 Funing Yancheng City County in Jiangsu province Yi Town No. 58 Applicant after: Yancheng City tripod Machinery Limited by Share Ltd Address before: Funing County of Yancheng City province Jiangsu 224421 Lin Industrial Zone Yinlong Road No. 58 Applicant before: Yancheng City He Ding Machinery Co., Ltd. |
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Application publication date: 20151118 |
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