CN106216972A - Extrusion forming process of laughing somebody to scorn spent by a kind of isolator - Google Patents
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator Download PDFInfo
- Publication number
- CN106216972A CN106216972A CN201610702510.2A CN201610702510A CN106216972A CN 106216972 A CN106216972 A CN 106216972A CN 201610702510 A CN201610702510 A CN 201610702510A CN 106216972 A CN106216972 A CN 106216972A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- isolator
- tooth
- scorn
- extrusion forming
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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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of isolator and spend extrusion forming process of laughing somebody to scorn, comprise the steps: by given size blanking, carry out spheroidizing, ball blast, painting macromolecule, agent hole, punching, spheroidizing, ball blast, car blank the most successively, be coated with macromolecule, agent negative camber with profile of tooth, polish, carburizing and quenching, tempering, ball blast, cleaning with antirust；The colored extrusion forming process of laughing somebody to scorn of this isolator changes the processing mode separating extruding in conventional isolator production technology by negative camber with profile of tooth, allow isolator flower tooth negative camber the most extruded with profile of tooth, not only increase axiality between colored tooth negative camber and profile of tooth, also shorten the production cycle of colored tooth, and the colored tooth precision that this technique obtains is high, between each colored tooth, individual variation is little, it is greatly improved use intensity and the serviceability of colored tooth, effective raising automobile starter stable working at high speeds, vibrations and the noise of automobile starter are greatly reduced.
Description
Technical field
The present invention relates to a kind of isolator and spend extrusion forming process of laughing somebody to scorn.
Background technology
Isolator flower tooth is the important spare part of automobile starter, and the transmission of the power of automobile starter is off structure,
Power is the colored tooth that motor shaft just can be delivered to isolator through idle pulley, and starter is in the case of high rotating speed rotates, dynamic
The stable working of starter to be ensured in the transmittance process of power, when shaking little, noise is little performance, beating of isolator flower tooth is wanted
Ask and be necessarily less than 0.1, roughness 1.6, increment and flank of tooth impulse-free robustness with collide with；And it is main in the isolator flower tooth production technology of routine
Blanking to be included, painting macromolecule, agent negative camber, fine turning outer circle, painting macromolecule, agent profile of tooth, boring, Vehicle Processing, increment fall to insult, and
The negative camber of isolator flower tooth is separately carried out cold extrusion forming with profile of tooth so that the negative camber of isolator flower tooth easily produces with profile of tooth
Raw out-of-alignment phenomenon, not only reduces the quality of production of isolator flower tooth, have impact on the serviceability of isolator flower tooth, the most greatly
The big production cycle adding colored tooth, improve the production cost of isolator flower tooth.
Notification number is the processing method that the Chinese invention patent of CN102501036B discloses a kind of gears for one-way clutches, its
Processing technique is: with 20cr structural alloy steel bar as raw material, carry out successively making annealing treatment, phospholeum process, boring endoporus, annealing
Process, phospholeumization processes, extruding profile of tooth, shaping, and wherein shaping includes boring, tack, chamfering, bore hole, turning, cylindrical grinding etc.
Process for machining.Although the workpiece made by this technique has certain intensity and precision, but there is also some problems: 1, workpiece
Bore separately carry out extruded with gear exterior profile of tooth so that made clutch gear has asking of axiality
Topic, affect using effect and the serviceability of clutch gear, and the most extruded production process that also increases, reduce production
The production efficiency of person；2, the method using boring endoporus forms endoporus, and not only production efficiency is low, between low precision, and individuality, deviation is big,
Have impact on the clutch gear quality of production especially, reduce the using effect of clutch gear.
Summary of the invention
Present invention mainly solves the technical problem existing for prior art, thus provide one to be prevented effectively from isolator flower tooth
Not coaxial phenomenon, improve isolator flower tooth machining accuracy and serviceability, effectively shorten isolator flower tooth and produce week
Extrusion forming process of laughing somebody to scorn spent by the isolator of phase.
For solving the problems referred to above, the present invention adopts the following technical scheme that
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator, it is characterised in that comprise the steps:
By given size blanking, carry out spheroidizing, ball blast, painting macromolecule, agent hole, punching, spheroidizing, throwing the most successively
Ball, car blank, be coated with macromolecule, agent negative camber with profile of tooth, polish, carburizing and quenching, tempering, ball blast, cleaning with antirust；
The operation of described dose of negative camber and profile of tooth refers to that workpiece is placed into flower laughs somebody to scorn in extrusion die, and by the oil of 300 tons
The negative camber of workpiece and external tooth are once carried out cold extrusion forming by press, allow the negative camber of workpiece and the axiality of external tooth reach 0.1
Within.
Described spheroidizing operation refers to carry out in well annealing furnace, and workpiece enters stove in furnace temperature at 500 ° of below C, then will
Furnace temperature is heated to 760 ° of C～780 ° of C, is incubated 5.5～6.5 hours, then cools to 720 ° of C with stove, is incubated 8～9 hours, then
Can come out of the stove when cooling to 500 ° of C with stove air cooling.
Described ball blast operation refers to carry out ball blast in drum-type shot blasting machine, carries out ball blast 10 with the iron-sand of φ 0.5mm
Minute.
Described painting macromolecule operation is stirred all after referring to be heated to polymeric lubricant the temperature of 60 ° of C～70 ° of C
Even, and workpiece is put into equipped with high molecular container 5 minutes, make the surface of workpiece obtain uniform one layer of about 0.1mm thick
Degree polymeric lubricant.
Described dose of hole operation refers to the hydraulic press of 300 tons, workpiece is tentatively squeezed hole machined, then with punching operation
Workpiece behind preliminary agent hole is punched out processed by stamping machine so that inside workpiece is got through.
Described car blank operation refers to by lathe, workpiece is carried out rough turn processing so that workpiece reaches the size before agent hole
Shape and roughness.
Described finishing step refers to that workpiece cold extrusion completed carries out finish turning processing by lathe, enables workpiece to reach
To required processing request.
Described carburizing and quenching operation refers to that the workpiece machined by finish turning is processed place in being placed into carburizing glowing furnace
Reason, the temperature that workpiece enters in stove is 900 ° of C, and evacuation time is 15 minutes, and carburizing time is 80～90 minutes, during diffusion insulation
Between be 90 minutes, then workpiece carry out quenching processing, workpiece quenching temperature is 840 ° of C, and quenching oil temperature is 85～90 ° of C, quenching
It it is 30 minutes.
Described tempering process refers to that workpiece carries out temper in multiplex tempering furnace, and temperature is 180 ° of C, during insulation
Between be 2 hours.
Described cleaning refers to workpiece by being processed in putting into cleaning machine with antirust operation, passes through cleaning machine
Wash away dust and the greasy dirt of surface of the work, and spray last layer antirust oil at surface of the work so that workpiece is in the time of regulation
Interior can not have phenomenon of getting rusty.
The invention has the beneficial effects as follows: this isolator spends extrusion forming process of laughing somebody to scorn to change conventional isolator manufacture
By the processing mode separating extruding of negative camber with profile of tooth in technique, the negative camber of isolator flower tooth is allowed once to squeeze with profile of tooth
Molded, not only shorten the production cycle of isolator flower tooth, also effectively raise negative camber and the profile of tooth of isolator flower tooth
Between axiality, ensured the automobile starter job stability when high rotating speed, effectively reduced the vibrations of starter and make an uproar
Sound；And the precision of the isolator flower tooth obtained by this technique is high, and between each isolator flower tooth, individual variation is little, greatly carries
The use intensity of high isolator flower tooth and using effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the workpiece sectional view of gained after agent negative camber in former isolator flower tooth processing technique.
Fig. 2 is the workpiece sectional view of gained after agent profile of tooth in former isolator flower tooth processing technique.
Fig. 3 is the workpiece sectional view of gained after boring in former isolator flower tooth processing technique.
Fig. 4 is the workpiece sectional view of gained after Vehicle Processing in former isolator flower tooth processing technique.
Fig. 5 is that isolator of the present invention flower is laughed somebody to scorn in extrusion forming process the workpiece sectional view of gained after agent, punching.
Fig. 6 is that isolator of the present invention flower is laughed somebody to scorn in extrusion forming process the workpiece sectional view of gained after car blank.
Fig. 7 is that isolator of the present invention flower is laughed somebody to scorn in extrusion forming process the workpiece section view of gained after agent negative camber and profile of tooth
Figure.
Fig. 8 is that isolator of the present invention flower is laughed somebody to scorn in extrusion forming process the workpiece sectional view of gained after polish.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Close specific embodiment, the present invention is expanded on further, but following embodiment is only the preferred embodiments of the present invention, and not all.
Based on the embodiment in embodiment, it is real that those skilled in the art are obtained other on the premise of not making creative work
Execute example, broadly fall into the protection domain of this patent.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator, it is characterised in that comprise the steps:
By given size blanking, carry out spheroidizing, ball blast, painting macromolecule, agent hole, punching, spheroidizing, throwing the most successively
Ball, car blank, be coated with macromolecule, agent negative camber with profile of tooth, polish, carburizing and quenching, tempering, ball blast, cleaning with antirust.
The operation of described dose of negative camber and profile of tooth refers to that workpiece is placed into flower laughs somebody to scorn in extrusion die, and by 300 tons
Hydraulic press once the negative camber of workpiece and external tooth are carried out cold extrusion forming, allow the negative camber of workpiece reach with the axiality of external tooth
Within 0.1；Effectively avoid axiality problem between negative camber and external tooth in isolator flower tooth, decrease traditional unidirectional
Process in device flower tooth production technology, shortens the production cycle of isolator flower tooth, improves production efficiency, reduce list
Processing cost to device flower tooth.
Described spheroidizing operation refers to carry out in well annealing furnace, and workpiece enters stove in furnace temperature at 500 ° of below C, then will
Furnace temperature is heated to 760 ° of C～780 ° of C, is incubated 5.5～6.5 hours, then cools to 720 ° of C with stove, is incubated 8～9 hours, then
Can come out of the stove when cooling to 500 ° of C with stove air cooling；It is characterized in making material hardness be reduced to 125HB～135HB, allows in material
Portion's even tissue, reduces extruding force, it is simple to carry out crimp during subsequent handling.
Described ball blast operation refers to carry out ball blast in drum-type shot blasting machine, carries out ball blast 10 with the iron-sand of φ 0.5mm
Minute；It is characterized in removing the oxide layer of surface of the work after spheroidizing operation, it is simple to workpiece carries out being coated with macromolecule operation.
Described painting macromolecule operation is stirred all after referring to be heated to polymeric lubricant the temperature of 60 ° of C～70 ° of C
Even, and workpiece is put into equipped with high molecular container 5 minutes, make the surface of workpiece obtain uniform one layer of about 0.1mm thick
Degree polymeric lubricant；It is characterized in allowing between workpiece and mould and has one layer of lubricant, reduce the friction between workpiece and mould
Power, the effective prolongation mold use life-span.
Described dose of hole operation refers to the hydraulic press of 300 tons, workpiece is tentatively squeezed hole machined, then with punching operation
Workpiece behind preliminary agent hole is punched out processed by stamping machine so that inside workpiece is got through；It is characterized in that workpiece is raw
Product efficiency is high, the production consistent size of isolator flower tooth, but also has effectively saved the material needed for conventional borehole, greatly
Reduce raw-material use cost.
Described car blank operation refers to by lathe, workpiece is carried out rough turn processing so that workpiece reaches the size before agent hole
Shape and roughness.
Described finishing step refers to that workpiece cold extrusion completed carries out finish turning processing by lathe, enables workpiece to reach
To required processing request.
Described carburizing and quenching operation refers to that the workpiece machined by finish turning is processed place in being placed into carburizing glowing furnace
Reason, the temperature that workpiece enters in stove is 900 ° of C, and evacuation time is 15 minutes, and carburizing time is 80～90 minutes, during diffusion insulation
Between be 90 minutes, then workpiece carry out quenching processing, workpiece quenching temperature is 840 ° of C, and quenching oil temperature is 85～90 ° of C, quenching
It it is 30 minutes；It is characterized in allowing surface of the work hardness can reach 58～63HRC, carburizing depth 0.6～0.9mm, centre hardness
40～45HRC, carbide surface less than 3 grades, martensite less than 4 grades, retained austenite less than 4 grades, heart portion ferrite 3 grades with
Under so that the surface abrasion resistance of workpiece is improved with center toughness and intensity, extends the service life of isolator flower tooth.
Described tempering process refers to that workpiece carries out temper in multiplex tempering furnace, and temperature is 180 ° of C, during insulation
Between be 2 hours；It is characterized in removing produced stress during workpiece quenching, improves the toughness of workpiece, thus improve isolator flower
The fatigue resistance of tooth.
Described cleaning refers to workpiece by being processed in putting into cleaning machine with antirust operation, passes through cleaning machine
Wash away dust and the greasy dirt of surface of the work, and spray last layer antirust oil at surface of the work so that workpiece is in the time of regulation
Interior can not have phenomenon of getting rusty.
The invention has the beneficial effects as follows: this isolator spends extrusion forming process of laughing somebody to scorn to change conventional isolator manufacture
By the processing mode separating extruding of negative camber with profile of tooth in technique, the negative camber of isolator flower tooth is allowed once to squeeze with profile of tooth
Molded, not only shorten the production cycle of isolator flower tooth, also effectively raise negative camber and the profile of tooth of isolator flower tooth
Between axiality, ensured the automobile starter job stability when high rotating speed, effectively reduced the vibrations of starter and make an uproar
Sound；And the precision of the isolator flower tooth obtained by this technique is high, and between each isolator flower tooth, individual variation is little, greatly carries
The use intensity of high isolator flower tooth and using effect.
With described, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
The change expected without creative work or replacement, all should contain in scope.
Claims (10)
1. extrusion forming process of laughing somebody to scorn spent by an isolator, it is characterised in that comprise the steps: by given size blanking, so
After carry out spheroidizing, ball blast, painting macromolecule, agent hole, punching, spheroidizing, ball blast, car blank successively, be coated with in macromolecule, agent
Curved surface and profile of tooth, polish, carburizing and quenching, tempering, ball blast, cleaning are with antirust；
The operation of described dose of negative camber and profile of tooth refers to that workpiece is placed into flower laughs somebody to scorn in extrusion die, and by the oil of 300 tons
The negative camber of workpiece and external tooth are once carried out cold extrusion forming by press, allow the negative camber of workpiece and the axiality of external tooth reach 0.1
Within.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described spheroidizing
Operation refers to carry out in well annealing furnace, and workpiece enters stove in furnace temperature at 500 ° of below C, then furnace temperature is heated to 760 ° of C～
780 ° of C, are incubated 5.5～6.5 hours, then cool to 720 ° of C with stove, are incubated 8～9 hours, when then cooling to 500 ° of C with stove
Can come out of the stove air cooling.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described ball blast operation
Refer to carry out ball blast in drum-type shot blasting machine, carry out ball blast 10 minutes with the iron-sand of φ 0.5mm.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described painting macromolecule
Operation stirs after referring to be heated to polymeric lubricant the temperature of 60 ° of C～70 ° of C, and workpiece is put into equipped with height
In the container of molecule 5 minutes, the surface of workpiece is made to obtain uniform one layer of 0.1mm left and right thickness polymeric lubricant.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described dose of hole operation
Refer to the hydraulic press of 300 tons, workpiece is tentatively squeezed hole machined with punching operation, then the workpiece behind preliminary agent hole is led to
Cross stamping machine and be punched out processed so that inside workpiece is got through.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described car blank work
Sequence refers to by lathe, workpiece is carried out rough turn processing so that workpiece reaches the size shape before agent hole and roughness.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described polish work
Sequence refers to that workpiece cold extrusion completed carries out finish turning processing by lathe, enables workpiece to reach required processing request.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described carburizing and quenching
Operation refers to that the workpiece machined by finish turning is processed in being placed into carburizing glowing furnace, and workpiece enters the temperature in stove
Being 900 ° of C, evacuation time is 15 minutes, and carburizing time is 80～90 minutes, and diffusion temperature retention time is 90 minutes, and then workpiece enters
Row quenching processing, workpiece quenching temperature is 840 ° of C, and quenching oil temperature is 85～90 ° of C, and quenching is 30 minutes.
Extrusion forming process of laughing somebody to scorn spent by a kind of isolator the most according to claim 1, it is characterised in that: described tempering process
Referring to that workpiece carries out temper in multiplex tempering furnace, temperature is 180 ° of C, and temperature retention time is 2 hours.
A kind of isolator flower the most according to claim 1 is laughed somebody to scorn extrusion forming process, it is characterised in that: described cleaning with
Antirust operation refers to workpiece by being processed in putting into cleaning machine, is washed away the ash of surface of the work by cleaning machine
Dirt and greasy dirt, and spray last layer antirust oil at surface of the work so that workpiece can not have, within the time of regulation, phenomenon of getting rusty.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702510.2A CN106216972A (en) | 2016-08-23 | 2016-08-23 | Extrusion forming process of laughing somebody to scorn spent by a kind of isolator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702510.2A CN106216972A (en) | 2016-08-23 | 2016-08-23 | Extrusion forming process of laughing somebody to scorn spent by a kind of isolator |
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| CN106216972A true CN106216972A (en) | 2016-12-14 |
Family
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| CN201610702510.2A Pending CN106216972A (en) | 2016-08-23 | 2016-08-23 | Extrusion forming process of laughing somebody to scorn spent by a kind of isolator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817866A (en) * | 2018-08-01 | 2018-11-16 | 宁波普泽机电有限公司 | A kind of processing technology of one-way-sleeve |
| CN110153209A (en) * | 2019-04-28 | 2019-08-23 | 重庆茂松实业有限公司 | Tricycle rear axle basin shaft gear cold extrusion processing technics |
| CN110202328A (en) * | 2019-04-24 | 2019-09-06 | 东风商用车有限公司 | A kind of heavy-load automobile gearbox planetary gear sun gear cold-extrusion technology |
| CN112025205A (en) * | 2020-07-03 | 2020-12-04 | 江苏海宇机械有限公司 | Machining and forming process of super-long non-through special-shaped shaft |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817866A (en) * | 2018-08-01 | 2018-11-16 | 宁波普泽机电有限公司 | A kind of processing technology of one-way-sleeve |
| CN108817866B (en) * | 2018-08-01 | 2021-04-02 | 宁波普泽机电有限公司 | Machining process of one-way sleeve |
| CN110202328A (en) * | 2019-04-24 | 2019-09-06 | 东风商用车有限公司 | A kind of heavy-load automobile gearbox planetary gear sun gear cold-extrusion technology |
| CN110153209A (en) * | 2019-04-28 | 2019-08-23 | 重庆茂松实业有限公司 | Tricycle rear axle basin shaft gear cold extrusion processing technics |
| CN112025205A (en) * | 2020-07-03 | 2020-12-04 | 江苏海宇机械有限公司 | Machining and forming process of super-long non-through special-shaped shaft |
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Application publication date: 20161214 |