CN103028624A - Device for compositely extruding spline shaft by means of medium-high frequency induction heating and vibrating and technology therefor - Google Patents
Device for compositely extruding spline shaft by means of medium-high frequency induction heating and vibrating and technology therefor Download PDFInfo
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- CN103028624A CN103028624A CN2012105328403A CN201210532840A CN103028624A CN 103028624 A CN103028624 A CN 103028624A CN 2012105328403 A CN2012105328403 A CN 2012105328403A CN 201210532840 A CN201210532840 A CN 201210532840A CN 103028624 A CN103028624 A CN 103028624A
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Abstract
The invention provides a device for compositely extruding a spline shaft by means of medium-high frequency induction heating and vibrating and a technology for compositely extruding the spline shaft by means of medium-high frequency induction heating and vibrating. The device comprises a vibrator and a medium-high frequency induction heater, wherein the vibrator is axially connected with a blank in series by a clamp, and the medium-high frequency induction heater and an extrusion die are distributed at the front of a blank feed direction. The technology comprises the following steps of: firstly, clamping a blank, wherein the clamp drives the blank to move to a spline tooth-shaped section of the blank along the feed direction to completely enter into an inner chamber of the medium-high frequency induction heater, quickly heating the surface metal of the spline tooth-shaped section on the blank to a preset temperature, continuously feeding the blank, applying axial vibration to the blank by the vibrator, forming the spline shaft in an extruding way due to the action of the extrusion die, reversely withdrawing the blank, and quickly quenching. The device has the advantages of being less in forming load, low in energy consumption, high in efficiency, good in forming quality, wide in machining range and the like.
Description
Technical field
The invention belongs to advanced material forming technique field, be specifically related to a kind of medium-high frequency eddy-current heating and device and the technique of vibrating the Compound Extrusion splined shaft.
Background technology
Splined has the advantages such as linking intensity height, compact conformation, reliability be high, easy to loading and unloading, is widely used in motion and moment of torsion between the transmitter shaft and axle in the mechanical system, such as space flight and aviation, automobile, tractor, boats and ships, lathe, engineering machinery etc.The extensive use of splined is had higher requirement to demand and the serviceability of splined shaft part, therefore, the research of splined shaft part production technology is just seemed very important.
Extrusion process, as a kind of important splined shaft plastic forming process, have the advantages such as stock utilization height, production efficiency height, good product quality, production cost be low, its technical process is as follows: utilize anchor clamps with the splined shaft blank clamping, axial feed has the internal spline mould identical with the splined shaft tooth profile parameter by one, thereby be shaped gradually vertically, finally finish the extrusion molding of splined shaft.By finite element and experimental analysis, in the splined shaft extrusion process, the metal generation plastic deformation on blank top layer is only arranged, deformation layer thickness is about 5mm ~ 8mm, and plastic deformation does not occur in blank heart section substantially.
The medium-high frequency induction heating technology, most being used for a plurality of fields such as the quenching of Industrial Metal piece surface, Metal Melting, bar be diathermanous, is to make piece surface produce certain induced-current, rapidly the heated components surface, reach rapidly heating of surface, and the less effect of heart section temperature rise.
Vibration assistant metal plastic forming process refers in the traditional metal plastic forming process, applies auxiliary vibration, with the technical process of the technological effect that is improved, raising forming quality.Relative traditional metal plastic forming process, vibration assistant metal plastic process have that shaping load is little, metal fluidity good, frictional force is little, the metal forming ability high, high quality.And scientific research shows that different metal exists resistance of deformation to the phenomenon of strain rate and vibration frequency sensitivity, causes that resistance of deformation obviously descends in certain deformation temperature interval, plastic deformation obviously improves.
But the extrusion process of splined shaft at room temperature carries out usually at present, belong to cold forming processing, and conventional spline shaft material 40Cr, 35CrMo steel are had more, and the 42CrMo steel of high-mechanical property replaces, thereby cause under the normal temperature extrusion molding load large, the metal material fluid ability is poor, splined shaft profile of tooth corner filling quality is poor, and need carry out modifier treatment behind the extrusion molding, and processing step is complicated.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of medium-high frequency eddy-current heating and device and the technique of vibrating the Compound Extrusion splined shaft, solve the problems such as shaping load is large in the conventional extruded technique, profile of tooth corner filling quality is poor, processing step is complicated, also had simultaneously the advantages such as shaping load is little, distortion is even, profile of tooth corner filling quality is high, surface quality is good, processing step is simple, save the energy, the range of work is wide.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of medium-high frequency eddy-current heating and the device that vibrates the Compound Extrusion splined shaft, involving vibrations device 1 and medium-high frequency induction heater 4, vibrator 1 left end connects with anchor clamps 2, the gripping section I of 2 pairs of blanks 3 of anchor clamps clamps, realize that 1 pair of blank 3 of vibrator applies axial vibration, medium-high frequency induction heater 4 and extrusion die 5 layouts are in the place ahead of blank 3 directions of feed, blank 3 therefrom passes in the inner chamber of high frequency induction heater 4, by 4 effects of medium-high frequency induction heater, produce induced-current at blank 3 spline teeth section II surface metals, carry out Fast Heating.
A kind of medium-high frequency eddy-current heating and the technique of vibrating the Compound Extrusion splined shaft may further comprise the steps:
A), clamping blank 3, blank 3 is clamped its gripping section I by anchor clamps 2, guarantees the axis of blank 3 and the axial alignment of extrusion die 5;
B), anchor clamps 2 drive blanks 3 and send to along the blank feeding direction, feed speed is 10 ~ 50mm/sec, until blank 3 upper spline profile of tooth section II enter the inner chamber of medium-high frequency induction heater 4 fully;
C), quickly heat up to preset temperature by 4 pairs of blanks of medium-high frequency induction heater, 3 spline teeth section II surface metals, be 5sec ~ 15sec heat time heating time, and heating-up temperature is 400 ℃ ~ 600 ℃;
D), blank 3 sends to along the blank feeding direction again, vibrator 1 is started working simultaneously, and blank 3 is applied axial vibration, vibration frequency is 10Hz ~ 40Hz, amplitude is 0.5mm ~ 1.0mm;
E), the effect by extrusion die 5, the spline teeth section II surface metal generation plastic deformation of blank 3, shaping splined shaft;
F), after splined shaft is shaped fully, vibrator 1 quits work, blank 3 is clamped by anchor clamps 2 and oppositely withdraws from simultaneously, blank 3 is taken off carry out rapid quenching and process, and is complete.
The present invention has the following advantages:
1, before the splined shaft blank pushes, the effects on surface metal carries out quick medium-high frequency eddy-current heating, has improved the plasticity of metal material, has reduced shaping load, has enlarged the range of work; Heat thickness according to the characteristics that blank surface metal generation plastic deformation is only arranged in the splined shaft extrusion process are definite simultaneously, thereby further determine heat time heating time and heating-up temperature, avoid the integral body heating to blank, save the energy, efficiency of heating surface height.
2, in the blank feeding system, axially seal in vibrator, realized in the splined shaft extrusion process, under certain deformation temperature blank being applied axial vibration, reduced the resistance of deformation of metal, be shaped evenly, improved the andfrictional conditions between blank and mould, so that shaping load is less, surface quality is higher.
Description of drawings
Fig. 1 is apparatus structure schematic diagram of the present invention.
Fig. 2 is blank 3 schematic diagrames of the present invention.
Fig. 3 is medium-high frequency induction heater 4 front schematic view of the present invention.
Fig. 4 is that the present invention pushes rear splined shaft schematic diagram.
Fig. 5 is that the present invention pushes rear splined shaft partial schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
With reference to Fig. 1, a kind of medium-high frequency eddy-current heating and the device that vibrates the Compound Extrusion splined shaft, involving vibrations device 1 and medium-high frequency induction heater 4, vibrator 1 left end connects with anchor clamps 2, the gripping section I of 2 pairs of blanks 3 of anchor clamps clamps, realize that 1 pair of blank 3 of vibrator applies axial vibration, medium-high frequency induction heater 4 and extrusion die 5 layouts are in the place ahead of blank 3 directions of feed, with reference to Fig. 2, blank 3 therefrom passes in the inner chamber of high frequency induction heater 4, by 4 effects of medium-high frequency induction heater, produce induced-current at blank 3 spline teeth section II surface metals, carry out Fast Heating.
A kind of medium-high frequency eddy-current heating and the technique of vibrating the Compound Extrusion splined shaft may further comprise the steps:
A), with reference to Fig. 1, Fig. 2, clamping blank 3, blank 3 is clamped its gripping section I by anchor clamps 2, guarantees the axis of blank 3 and the axial alignment of extrusion die 5;
B), with reference to Fig. 1, Fig. 3, anchor clamps 2 drive blanks 3 and send to along the blank feeding direction, feed speed is 10 ~ 50mm/sec, until blank 3 upper spline profile of tooth section II enter the inner chamber of medium-high frequency induction heater 4 fully;
C), with reference to Fig. 3, by medium-high frequency induction heater 4 effect, produce induced-current on blank 3 spline teeth section II surface, thereby quickly heat up to preset temperature, be 5sec ~ 15sec heat time heating time, heating-up temperature is 400 ℃ ~ 600 ℃;
D), with reference to Fig. 1, blank 3 is sent to along the blank feeding direction again, simultaneously vibrator 1 is started working, and blank 3 is applied axial vibration, vibration frequency is 10Hz ~ 40Hz, amplitude is 0.5mm ~ 1.0mm;
E), with reference to Fig. 1, Fig. 4 and Fig. 5, by the effect of extrusion die 5, the spline teeth section II surface metal generation plastic deformation of blank 3, shaping splined shaft;
F), with reference to Fig. 1, after splined shaft was shaped fully, vibrator 1 quit work, blank 3 is clamped by anchor clamps 2 and oppositely withdraws from simultaneously, blank 3 is taken off carry out rapid quenching and process, and is complete.
Claims (2)
1. the device of a medium-high frequency eddy-current heating and vibration Compound Extrusion splined shaft, involving vibrations device (1) and medium-high frequency induction heater (4), vibrator (1) left end connects with anchor clamps (2), anchor clamps (2) clamp the gripping section (I) of blank (3), realize that vibrator (1) applies axial vibration to blank (3), medium-high frequency induction heater (4) and extrusion die (5) layout are in the place ahead of blank (3) direction of feed, blank (3) therefrom passes in the inner chamber of high frequency induction heater (4), acted on by medium-high frequency induction heater (4), produce induced-current at blank (3) spline teeth section (II) surface metal, carry out Fast Heating.
2. the device of a kind of medium-high frequency eddy-current heating according to claim 1 and vibration Compound Extrusion splined shaft is characterized in that extrusion process may further comprise the steps:
A), clamping blank (3), blank (3) is clamped its gripping section (I) by anchor clamps (2), guarantees the axis of blank (3) and the axial alignment of extrusion die (5);
B), anchor clamps (2) drive blanks (3) and send to along the blank feeding direction, feed speed is 10 ~ 50mm/sec, until blank (3) upper spline profile of tooth section (II) enters the inner chamber of medium-high frequency induction heater (4) fully;
C), by medium-high frequency induction heater (4) effect, produce induced-current at blank (3) upper spline profile of tooth section (II) surface metal, thereby quickly heat up to preset temperature, be 5sec ~ 15sec heat time heating time, heating-up temperature is 400 ℃ ~ 600 ℃;
D), blank (3) sends to along the blank feeding direction again, vibrator (1) is started working simultaneously, and blank (3) is applied axial vibration, vibration frequency is 10Hz ~ 40Hz, amplitude is 0.5mm ~ 1.0mm;
E), the effect by extrusion die (5), spline teeth section (II) the surface metal generation plastic deformation of blank (3), shaping splined shaft;
F), after splined shaft is shaped fully, vibrator (1) quits work, blank (3) is clamped by anchor clamps (2) and oppositely withdraws from simultaneously, blank (3) is taken off carry out rapid quenching and process, and is complete.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210532840.3A CN103028624B (en) | 2012-12-11 | 2012-12-11 | Device for compositely extruding spline shaft by means of medium-high frequency induction heating and vibrating and technology therefor |
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| CN201210532840.3A CN103028624B (en) | 2012-12-11 | 2012-12-11 | Device for compositely extruding spline shaft by means of medium-high frequency induction heating and vibrating and technology therefor |
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| CN103028624A true CN103028624A (en) | 2013-04-10 |
| CN103028624B CN103028624B (en) | 2015-01-14 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586301A (en) * | 2013-11-21 | 2014-02-19 | 中国航天科技集团公司长征机械厂 | Vibration cold-extruding plastic forming equipment for part with spline at shaft end |
| CN105537302A (en) * | 2015-12-04 | 2016-05-04 | 万向钱潮股份有限公司 | Spline extrusion manufacturing method |
| CN106180410A (en) * | 2016-08-26 | 2016-12-07 | 重庆唐盛精密模具有限公司 | Ring mould briquettor die sleeve makes mould |
| CN106270075A (en) * | 2016-08-26 | 2017-01-04 | 重庆唐盛精密模具有限公司 | A kind of method making ring mould briquettor die sleeve |
| CN106311899A (en) * | 2016-08-26 | 2017-01-11 | 重庆唐盛精密模具有限公司 | Hot-pressing synchronous type mold for manufacturing mold sleeve |
| CN106623467A (en) * | 2017-02-23 | 2017-05-10 | 湖北名泰农机有限公司 | Cold extruder for machining sprayer shaft and machining process of sprayer shaft |
| CN109174990A (en) * | 2018-08-31 | 2019-01-11 | 重庆大学 | titanium alloy hot pressing heating mechanism and method |
| CN112974558A (en) * | 2019-12-13 | 2021-06-18 | 财团法人金属工业研究发展中心 | Extrusion apparatus, extrusion method thereof and product thereof |
| CN113953344A (en) * | 2021-10-19 | 2022-01-21 | 河南同心传动股份有限公司 | Extrusion forming die of concentric hollow shaft fork |
| CN113953344B (en) * | 2021-10-19 | 2024-05-03 | 河南同心传动股份有限公司 | Extrusion forming die for concentric hollow shaft fork |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586301A (en) * | 2013-11-21 | 2014-02-19 | 中国航天科技集团公司长征机械厂 | Vibration cold-extruding plastic forming equipment for part with spline at shaft end |
| CN103586301B (en) * | 2013-11-21 | 2015-08-05 | 中国航天科技集团公司长征机械厂 | A kind of vibration cold extrusion plastic molding apparatus of axle head band spline class part |
| CN105537302A (en) * | 2015-12-04 | 2016-05-04 | 万向钱潮股份有限公司 | Spline extrusion manufacturing method |
| CN106180410A (en) * | 2016-08-26 | 2016-12-07 | 重庆唐盛精密模具有限公司 | Ring mould briquettor die sleeve makes mould |
| CN106270075A (en) * | 2016-08-26 | 2017-01-04 | 重庆唐盛精密模具有限公司 | A kind of method making ring mould briquettor die sleeve |
| CN106311899A (en) * | 2016-08-26 | 2017-01-11 | 重庆唐盛精密模具有限公司 | Hot-pressing synchronous type mold for manufacturing mold sleeve |
| CN106270075B (en) * | 2016-08-26 | 2018-08-17 | 重庆唐盛精密模具有限公司 | A method of making ring moulds cuber die sleeve |
| CN106623467A (en) * | 2017-02-23 | 2017-05-10 | 湖北名泰农机有限公司 | Cold extruder for machining sprayer shaft and machining process of sprayer shaft |
| CN109174990A (en) * | 2018-08-31 | 2019-01-11 | 重庆大学 | titanium alloy hot pressing heating mechanism and method |
| CN112974558A (en) * | 2019-12-13 | 2021-06-18 | 财团法人金属工业研究发展中心 | Extrusion apparatus, extrusion method thereof and product thereof |
| CN113953344A (en) * | 2021-10-19 | 2022-01-21 | 河南同心传动股份有限公司 | Extrusion forming die of concentric hollow shaft fork |
| CN113953344B (en) * | 2021-10-19 | 2024-05-03 | 河南同心传动股份有限公司 | Extrusion forming die for concentric hollow shaft fork |
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| CN103028624B (en) | 2015-01-14 |
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