CN203316618U - Automobile drive axle semi-finished product medium frequency induction heating device - Google Patents
Automobile drive axle semi-finished product medium frequency induction heating device Download PDFInfo
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- CN203316618U CN203316618U CN2013203215909U CN201320321590U CN203316618U CN 203316618 U CN203316618 U CN 203316618U CN 2013203215909 U CN2013203215909 U CN 2013203215909U CN 201320321590 U CN201320321590 U CN 201320321590U CN 203316618 U CN203316618 U CN 203316618U
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- drive axle
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Abstract
An automobile drive axle semi-finished product medium frequency induction heating device comprises a medium frequency power supply, a medium frequency heating device, a heating temperature control device and a cooling device. The medium frequency heating device comprises a water cooling cable, a medium frequency induction heating body, a heat insulation layer, a coil, a magnetizer and a water cooling sleeve, wherein the heat insulation layer, the coil, the magnetizer and the water cooling sleeve are arranged from the inside to the outside sequentially in a wrapping mode. A programmable logic controller (PLC) controls water supply in the cooling device 12 automatically according to signals transmitted back by the medium frequency power supply and a temperature detecting device, adjusts system water supply quantity, and controls and protects the water cooling cable and the medium frequency heating device in a feedback mode. The heating device has the advantages of being fast in heating, even in temperature and small in core-surface temperature difference and is convenient to install, simple to debug and safe to use.
Description
Technical field
The utility model belongs to mechanical-moulded processing technique field, and concrete is a kind of automobile drive axle semi-finished product intermediate frequency induction heating device.
Background technology
Auto manufacturing has very important effect in Chinese national economy, in recent years, the national economy high speed development of China, meanwhile auto industry is also flourish.Performance from the vehicle complete vehicle to parts, all become the major subjects of current industrial research, and axle housing is as one of strength member of automobile, axle housing not only plays supporting role to automobile, but also is differential mechanism, main reducing gear and the shell that drives wheel drive.The automobile axle housing quality is very large on the impact of vehicle performance, and axle housing not only needs to possess enough intensity, rigidity and fatigue life, but also should be simple in structure, and cost is lower, and quality is light, is easy to dismounting and maintenance.
The automobile axle housing forming method mainly contains following several, and its pluses and minuses are as follows:
Cast shaping process
Advantage: the easy axle housing of the complex-shaped and wall unevenness of cast form, rigidity, intensity are larger;
Shortcoming: control the shaping flow difficulties, easily crack, pore, and weight is large, the following process complexity, welding sequence easily cracks, is out of shape;
The scope of application: mainly be applicable to the rear axle housing production of Medium or severe type truck.
Punching press-welding fabrication technique
Advantage: good manufacturability, percent defective is lower, and reliability is high, easily manufactures, and allowance is little, and quality is light, and precision is high, and price is lower, and product remodeling is convenient, easily realizes the production automation;
Shortcoming: operation is various, only is applicable to the axle housing production of simple geometry, and the axle housing intensity that production obtains is lower, and cost is large; Also have welding requirements in addition highly, difficult quality guarantee, easily crack, the defect of distortion, small opening, and weld zone easy territory fatigue fracture;
The scope of application: the scope of application is wider, is generally used for Light-duty Vehicle, agricultural vehicle.
Expansion is shaped
Advantage: expanding and shaping technique is the derivation of punching press-welding fabrication technique, but its workload minimizing, working (machining) efficiency is high, good airproof performance, and the Rigidity and strength of the axle housing obtained is high, lightweight;
Shortcoming: the place of vertically cracking easily produces transversal crack, and Chinese lute bag place flange width is inhomogeneous, and side creases easily and pulls;
The scope of application: mainly be applicable to car, light, medium-duty truck.
The machinery bulging
Advantage: workload reduces, and working (machining) efficiency is high, and the back axle obtained is lightweight, but higher, the complex-shaped axle housing of production size, and the blank utilization rate and production efficiency all higher, the comprehensive mechanical property of back axle is high;
Shortcoming: bulging power is difficult to control, and bulging mechanism and process complexity, easily crack;
The scope of application: mainly be applicable to passenger car and light medium truck.
Hydraulic expanding-forming
Advantage: stock utilization is high, and operation is few, and production efficiency is high, and the axle housing strength and stiffness that obtain are high and lightweight, easily realize production mechanization and automated production;
Shortcoming: technique is not overripened, and high to the requirement of high pressure liquid potential source, easy oil leakage and contaminated environment, expend time in and fund initial stage of investment;
The scope of application: car, light-duty and medium-duty truck.
To sum up, the actual production of axle housing requires to minimize cost, and guarantees its mechanical performance, also will shorten the R&D cycle simultaneously as far as possible, and this promotes the fast development of axle housing manufacturing process with regard to the research that needs new technology, new technology.
For the pluses and minuses of existing automobile axle housing manufacturing process, and, in conjunction with China's practical application present situation, the processing and forming technology of existing automobile drive axle rear axle housing mainly contains subject matter and deficiency:
1, the axle housing manufacturing process of China's practical application major part is cast shaping process and punching press-welding fabrication technique, and other forming method is due to technology, economic dispatch reason, applies lessly, or is in the development test stage;
2, the bulging power of mechanical bulging is difficult to control, and bulging mechanism and process complexity, easily crack, but blank utilization rate, production efficiency, comprehensive mechanical property are high;
3, hydraulic bulging process is still not overripened, high to the requirement of high pressure liquid potential source, easy oil leakage and contaminated environment, and the initial stage expends time in and fund, but the axle housing strength and stiffness that obtain are high, lightweight, easily realize production mechanization and automation.
In view of this, the applicant at patent documentation 1, (application number is: disclose the whole composite machine push-down of a kind of automobile drive axle bulging process 201210357438.6).In this production technology, one production process arranged for heating to the axle housing workpiece, purpose is to improve the plastic deformation ability of workpiece, and reduces bulging thrust and the bulging pressure of Bulging Process.
For by workpiece at short notice Fast Heating be warming up to the temperature needed, and can control flexibly heating-up temperature, medium-frequency induction heating technology is ideal selection.Therefore, the utility model aims to provide a kind of automobile drive axle semi-finished product intermediate frequency induction heating device, by adopting this heater, that can process according to bulging need to carry out local heat to the automobile drive axle semi-finished product, and the position on the opening both sides that distortion is larger in automobile drive axle semi-finished product Bulging Process, its heating-up temperature is higher; The less middle position of opening of distortion in automobile drive axle semi-finished product Bulging Process, its heating-up temperature is lower, has not only met the heat request that adds of subsequent handling, has also saved the energy.In addition, in heating process, heating-up temperature can realize Automatic Control, and the monitor log variations in temperature, can rapidly and efficiently complete automobile drive axle half half-finished heating.Have firing rate fast, temperature is even, the advantage that the core table has a narrow range of temperature, and this device is easy for installation, the debugging simple, use safety.
The utility model content
To achieve these goals, the utility model provides a kind of automobile drive axle semi-finished product intermediate frequency induction heating device, comprise intermediate frequency power supply, also comprise frequency heating device, heating and temperature control device and cooling device, described frequency heating device comprises water-cooled cable, Frequency Induction Heating body and parcel arranges successively from inside to outside thermal insulation layer, coil, magnetic conductor, water collar; Described heating and temperature control device comprises middle control machine, PLC, temperature-detecting device, intermediate frequency power supply follows the tracks of by resonant frequency and phase-locked control module, power adjusting and protection control module, zero cross fired control module and driver output unit, the half-finished heating process of real-time feedback control automobile drive axle; Described cooling device 12, the signal sent back according to intermediate frequency power supply and temperature-detecting device by PLC, the water supply in automatic control cooling device, regulating system output, FEEDBACK CONTROL protection water-cooled cable and frequency heating device.
Preferably, described coil is three groups, two groups of more positions that are arranged on the opening both sides that in automobile drive axle semi-finished product Bulging Process, distortion is larger of coil turn wherein, and its heating-up temperature is higher; Less one group of three groups of coil neutralization circle numbers of turn is arranged on the position in the middle of the less opening of distortion in automobile drive axle semi-finished product Bulging Process, and its heating-up temperature is lower.
Preferably, the heated perimeter of this device is: normal temperature to 700 ℃, and can be heated to 600 ℃ in second at 3-5.
Preferably, described thermal insulation layer, coil, magnetic conductor and water collar are arranged to corresponding square or circular according to the half-finished cross sectional shape of automobile drive axle.
The beneficial effects of the utility model are:
By adopting this heater, that can process according to bulging need to carry out local heat to the automobile drive axle semi-finished product, and the position on the opening both sides that distortion is larger in automobile drive axle semi-finished product Bulging Process, and its heating-up temperature is higher; The less middle position of opening of distortion in automobile drive axle semi-finished product Bulging Process, its heating-up temperature is lower, has not only met the heat request that adds of subsequent handling, has also saved the energy.In addition, in heating process, heating-up temperature can realize Automatic Control, and the monitor log variations in temperature, can rapidly and efficiently complete automobile drive axle half half-finished heating.Have firing rate fast, temperature is even, the advantage that the core table has a narrow range of temperature, and this device is easy for installation, the debugging simple, use safety.
System adopts intermediate frequency full-bridge KGPS inversion design, compares traditional single tube or half-bridge design, and the magnetic field intensity of generation is its twice, system is improved in unit interval self-energy conversion efficiency, thereby reduce heat time heating time, reduces invisible thermal losses.
System realizes zero cross fired to power cell, reduces the switching loss of power cell, has not only improved reliability and the service life of heater, and has improved the efficiency of power conversion, has eliminated corresponding electromagnetic interference (EMI).
Along with the temperature that is heated workpiece rises, the inductance value of induction coil changes, system adopts resonant frequency to control and the smart lock phase control from motion tracking, remain heater internal resistance minimum in the course of the work, with the simple induction heating equipment of tradition, compare, the loss of internal resistance obviously reduces, and improves energy conversion efficiency.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model automobile drive axle semi-finished product intermediate frequency induction heating device;
Fig. 2 is the utility model automobile drive axle semi-finished product intermediate frequency induction heating device induction heating temperature control block diagram;
Fig. 3 is the sectional view when automobile drive axle semi-finished product its outer wrap each several part while being square;
The sectional view that Fig. 4 is its outer wrap each several part when the automobile drive axle semi-finished product are circle;
Fig. 5 is automobile drive axle semi-finished product structure schematic diagram;
Fig. 6 is the structural representation after automobile drive axle semi-finished product bulging machines.
Description of reference numerals:
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail. obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection domain of claim.In addition, in this manual, accompanying drawing draws not in scale, and identical Reference numeral means identical part.
As shown in Figure 1, automobile drive axle semi-finished product intermediate frequency induction heating device provided by the utility model, comprise intermediate frequency power supply 3, frequency heating device, heating and temperature control device and cooling device.
Described frequency heating device comprises water-cooled cable 5, Frequency Induction Heating body 6 and parcel arranges successively from inside to outside thermal insulation layer 7, coil 8, magnetic conductor 9, water collar 10.
Described heating and temperature control device comprises middle control machine 1, PLC2, temperature-detecting device 4; intermediate frequency power supply 3 follows the tracks of by resonant frequency and phase-locked control module, power adjusting and protection control module, zero cross fired control module and driver output unit, the half-finished heating process of real-time feedback control automobile drive axle.
Described cooling device 12, the signal sent back according to intermediate frequency power supply 3 and temperature-detecting device 4 by PLC, the water supply in automatic control cooling device 12, regulating system output, FEEDBACK CONTROL protection water-cooled cable 5 and frequency heating device.
As shown in Figure 5, in the present embodiment, automobile drive axle semi-finished product 11 are square, on these half-finished two relative faces, are provided with opening 111.As shown in Figure 6, after automobile drive axle semi-finished product bulging machines, the larger part of its distortion is 112, i.e. the position on opening 111 both sides.Therefore, the coil that the present embodiment preferably adopts is three groups, two groups of more positions that are arranged on opening 111 both sides that in automobile drive axle semi-finished product Bulging Process, distortion is larger of coil turn wherein, and its heating-up temperature is higher; Less one group of three groups of coil neutralization circle numbers of turn is arranged on the position in the middle of the less opening 111 of distortion in automobile drive axle semi-finished product Bulging Process, and its heating-up temperature is lower.
Fig. 2 is the utility model automobile drive axle semi-finished product intermediate frequency induction heating device induction heating temperature control block diagram; intermediate frequency power supply 3 follows the tracks of by resonant frequency and phase-locked control module, power adjusting and protection control module, zero cross fired control module and driver output, the half-finished heating process of real-time feedback control automobile drive axle.
The signal that intermediate frequency power supply 3 is passed back according to water-cooled cable 5 is real-time transmitted to PLC2 by frequency signal, voltage signal and current signal, temperature and the inboard temperature signal of water collar 10 of the automobile drive axle semi-finished product thermal treatment zone that temperature-detecting device 4 detects temperature sensor also send PLC2 to, PLC2 controls the water supply in cooling device 12 according to these signal messages, the regulating system output, thus realize the control of heating-up temperature.
As shown in Figure 3 and Figure 4, when the automobile drive axle semi-finished product while being square or circular, be wrapped in its outside thermal insulation layer, coil, magnetic conductor and water collar also be arranged to corresponding square or circular, to guarantee heating effect.
As mentioned above, by adopting this heater, that can process according to bulging need to carry out local heat to the automobile drive axle semi-finished product, and the position on the opening both sides that distortion is larger in automobile drive axle semi-finished product Bulging Process, and its heating-up temperature is higher; The less middle position of opening of distortion in automobile drive axle semi-finished product Bulging Process, its heating-up temperature is lower, has not only met the heat request that adds of subsequent handling, has also saved the energy.In addition, in heating process, heating-up temperature can realize Automatic Control, and the monitor log variations in temperature, can rapidly and efficiently complete automobile drive axle half half-finished heating.Have firing rate fast, temperature is even, the advantage that the core table has a narrow range of temperature, and this device is easy for installation, the debugging simple, use safety.
Claims (4)
1. an automobile drive axle semi-finished product intermediate frequency induction heating device, comprise intermediate frequency power supply, it is characterized in that: also comprise frequency heating device, heating and temperature control device and cooling device,
Described frequency heating device comprises water-cooled cable, Frequency Induction Heating body and parcel arranges successively from inside to outside thermal insulation layer, coil, magnetic conductor, water collar;
Described heating and temperature control device comprises middle control machine, PLC, temperature-detecting device, intermediate frequency power supply follows the tracks of by resonant frequency and phase-locked control module, power adjusting and protection control module, zero cross fired control module and driver output unit, the half-finished heating process of real-time feedback control automobile drive axle;
Described cooling device (12), the signal sent back according to intermediate frequency power supply and temperature-detecting device by PLC, the water supply in automatic control cooling device, regulating system output, FEEDBACK CONTROL protection water-cooled cable and frequency heating device.
2. automobile drive axle semi-finished product intermediate frequency induction heating device according to claim 1, it is characterized in that, described coil is three groups, two groups of more positions that are arranged on the opening both sides that in automobile drive axle semi-finished product Bulging Process, distortion is larger of coil turn wherein, and its heating-up temperature is higher; Less one group of three groups of coil neutralization circle numbers of turn is arranged on the position in the middle of the less opening of distortion in automobile drive axle semi-finished product Bulging Process, and its heating-up temperature is lower.
3. automobile drive axle semi-finished product intermediate frequency induction heating device according to claim 1 and 2, is characterized in that, the heated perimeter of this device is: normal temperature to 700 ℃, and can be heated to 600 ℃ in second at 3-5.
4. automobile drive axle semi-finished product intermediate frequency induction heating device according to claim 1 and 2, is characterized in that, described thermal insulation layer, coil, magnetic conductor and water collar are arranged to corresponding square or circular according to the half-finished cross sectional shape of automobile drive axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203215909U CN203316618U (en) | 2013-06-05 | 2013-06-05 | Automobile drive axle semi-finished product medium frequency induction heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203215909U CN203316618U (en) | 2013-06-05 | 2013-06-05 | Automobile drive axle semi-finished product medium frequency induction heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203316618U true CN203316618U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203215909U Expired - Fee Related CN203316618U (en) | 2013-06-05 | 2013-06-05 | Automobile drive axle semi-finished product medium frequency induction heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203316618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107995A (en) * | 2015-07-27 | 2015-12-02 | 昆山倚天自动化有限公司 | Car lock catch assembling automatic production line with comparison assembling device |
| CN114713724A (en) * | 2022-06-09 | 2022-07-08 | 北京科技大学 | Heating equipment and stamping process of high-strength steel medium-thickness plate blank for automobile axle housing |
-
2013
- 2013-06-05 CN CN2013203215909U patent/CN203316618U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107995A (en) * | 2015-07-27 | 2015-12-02 | 昆山倚天自动化有限公司 | Car lock catch assembling automatic production line with comparison assembling device |
| CN114713724A (en) * | 2022-06-09 | 2022-07-08 | 北京科技大学 | Heating equipment and stamping process of high-strength steel medium-thickness plate blank for automobile axle housing |
| CN114713724B (en) * | 2022-06-09 | 2022-08-30 | 北京科技大学 | Heating equipment and stamping process of high-strength steel medium-thickness plate blank for automobile axle housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 |