CN203307376U - Induction heating and tempering system - Google Patents
Induction heating and tempering system Download PDFInfo
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- CN203307376U CN203307376U CN2013202543662U CN201320254366U CN203307376U CN 203307376 U CN203307376 U CN 203307376U CN 2013202543662 U CN2013202543662 U CN 2013202543662U CN 201320254366 U CN201320254366 U CN 201320254366U CN 203307376 U CN203307376 U CN 203307376U
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Abstract
The utility model discloses an induction heating and tempering system which is used for the quenching and tempering heat treatment of a vehicle rack blank or a connecting bar material. The induction heating and tempering system comprises an adjustable conveying system and an electric control system which are connected with each other; a feeding mechanism, an induction quenching heating unit, a spray ring-adjustable quenching cooling mechanism, an induction tempering heating unit and a discharging structure are arranged on the adjustable conveying system in sequence; the adjustable conveying system is used for rotating and conveying a plurality of workpieces which are connected one after another forwards; the electric control system is used for controlling the induction heating and tempering system. By the induction heating and tempering system, the heating uniformity and the heating precision of workpieces are effectively improved; meanwhile, the workpieces are cooled uniformly and slightly deform or do not deform. When being tempered, the workpieces are cooled uniformly and do not deform. The hardness difference between the core and the surface of the vehicle rack blank subjected to the quenching and tempering heat treatment by the system is small, the vehicle rack blank slightly deforms or does not deform, and can be stably and continuously produced in large batches.
Description
Technical field
The utility model relates to a kind of metal heat treatmet system, particularly relates to a kind of induction heating tempering system, is applicable to the modified thermal treatment of the connecting rod bar of middle-and-high-ranking car rack blank and other similar high requirement.
Background technology
A plurality of fields such as most, the Welding of cutters diathermanous for the quenching of Industrial Metal piece surface, Metal Melting, bar of induction heating, be to make inside workpiece produce certain induced current, form eddy current, rapidly the heated components surface, reach surface heating rapidly, the effect of even diathermanous thawing.The principle of induction heating is when electric current flows through ruhmkorff coil, induces alternating magnetic field in the metal parts passed wherein.This magnetic field, induce again vortex current in metal parts.When this electric current was flowed through metal parts, heat had a resistance again.Thereby, realize the metal parts rapid heating.
In the prior art, medium-to-high grade sedan steering machine is developed to electrodynamictype power-assisted mode by hydraulic power assisted, and electric steering gear requires very harsh to uniformity of hardness and the linearity of key part tooth bar.
Domestic current traditional hardening and tempering method is by salt bath furnace, box-type furnace or the modified heat treated automobile steering device tooth bar blank heart table difference of hardness of common continuous type furnace is large, internal stress is large, yielding after processing, can only be for hydraulic power assisted sedan steering machine, can not be for the column assist machine.
The utility model content
The technical problems to be solved in the utility model is large in order to overcome the product heart table difference of hardness that available technology adopting tradition hardening and tempering method processes, yielding defect after processing, a kind of induction heating tempering system is provided, and it is specially adapted to the modified thermal treatment of the connecting rod bar of middle-and-high-ranking car rack blank and other similar high requirement.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of induction heating tempering system, modified thermal treatment for car rack blank or connecting rod bar, its characteristics are, described induction heating tempering system comprises interconnective one adjustable delivery system and an electric control system, on described adjustable delivery system, be provided with successively a feed mechanism, one induction quenching heating unit, one adjustable spray ring type quench cooled mechanism, one induction tempering heating unit and a discharging structure, described adjustable delivery system is carried and is advanced for the rand rotation limit that joins before and after some workpiece, described electrical apparatus control system is for controlling described induction heating tempering system.
Preferably, described adjustable delivery system comprises a set of at least transfer roller wheels and at least one Have electric machine for roller of frequency, and described at least one transfer roller wheels are connected with described Have electric machine for roller of frequency with a shaft coupling by a base.
Described transfer roller wheels are for being in tilted layout.Have electric machine for roller of frequency of every cover transfer roller wheel assembly, and grouping variable frequency control.Like this, by changing the motor speed of differential roller wheels, can realize that heat-processed front and back workpiece joins, and reduces induction heating blackhead phenomenon.Its angle, height and speed of rotation are adjustable, thereby accelerate the rotation of part, adjust and guarantee central alignment and the high unity of roller, have greatly improved the bad shortcoming of traditional intermediate frequency hardening and tempering process part straight-line degree.
Preferably, described feed mechanism comprises that a pendulum material stand, one first material toggling mechanism and at least one cover are be used to driving the cylinder of described pendulum material stand and described the first material toggling mechanism, and described pendulum material stand and described the first material toggling mechanism all are connected with described a set of at least cylinder.
Preferably, described pendulum material stand comprises at least one platform and at least one slope, and described material toggling mechanism comprises at least one the first material toggling cutter and at least one the first guiding mechanism.Described pendulum material gantry designs is that platform adds ramp structure, adopts many cover air cylinder driven, coordinates pneumatic material toggling mechanism and inductor block interlocking signal, workpiece single continuously feeding successively.
Preferably, described induction quenching heating unit comprises one first preheating section, one second preheating section and the one first temperature raising section be connected successively, described first, second preheating section and described the first temperature raising section all adopt many group induction furnaces, and described induction furnace is connected with described electric control system.
Preferably, the heating frequency of described the first preheating section is 7000-10000HZ, and the heating frequency of described the second preheating section is 5000-8000HZ, and the heating frequency of described the first temperature raising section is 3000-6000HZ.
Above-mentioned heating frequency can be according to production product specification and output coupling.Induction furnace is organized in every section employing more, and by the infrared thermometer feedback temperature for example, to electric control system (wherein computer), described electric control system is carried out the PID(proportional-integral-differential again, is a kind of control mode the most frequently used in industrial production) the closed loop temperature control.
Preferably, the neck bush of described induction furnace is the high-temperature carborundum neck bush.Described induction furnace is comprised of shell, heater coil and silicon carbide lining cover.Induction power supply has the safety protection functions such as overvoltage, overcurrent, water temperature over-high, hydraulic pressure be too low.Induction power supply is by the cooling heating element of board-like pure water cooling system with external circulation heat exchanging.
Preferably, described adjustable spray ring type quench cooled mechanism comprises some groups of quench spray circle, a height regulating frame and water legs.
Preferably, described induction tempering heating unit comprises one the 3rd preheating section, one second temperature raising section and the holding-zone be connected successively, and described the 3rd preheating section, described the second temperature raising section and described holding-zone are connected with described electric control system.
Preferably, described discharging mechanism comprises that one second material toggling mechanism, an aggregate rack and at least one cover are be used to driving the cylinder of described the second material toggling mechanism, described the second material toggling mechanism comprises at least one the second material toggling cutter and at least one the second guiding mechanism, and described aggregate rack is that U-shaped is groove-shaped.
Preferably, described induction heating tempering system also comprises that one is arranged at the chain type cooling bed on described discharging mechanism, and described chain type cooling bed drives by a variable-frequency motor.
Described chain type cooling bed is that it is driven by variable-frequency motor without the distortion chain type cooling bed, and transfer rate is adjustable.Wherein, the working face of chain type cooling bed is downward-sloping, strengthens thus cooling power.High temperature workpiece after tempering can roll and advance with chain in the above, few without distortion.
Preferably, described electric control system comprises a switching cabinet, action cabinet, an operator's console and a computer, described switching cabinet, described action cabinet and described operator's console all are connected with described computer, and described action cabinet all is connected with described induction tempering heating unit with described induction quenching heating unit.
Described electric control system, by independent research, all is incorporated into supervisory control desk by power detection and control automatically, medium switching, part delivery speed, part speed of rotation, quenching and the relevant parameters such as tempering temperature, part specifications.By PLC, computer, infrared thermometer, detector switch, realize induction heating closed loop temperature control, the interlocking actions such as motor, cylinder are controlled.In addition, described electric control system can also be carried out fault alarm, the device security protection, thus realized automatic, the effectively control to car rack blank and the modified whole technological process of bar intermediate frequency.
In the utility model, but above-mentioned optimum condition arbitrary combination on the basis that meets this area general knowledge obtains each preferred embodiment of the utility model.
Positive progressive effect of the present utility model is: the utility model induction heating tempering system has effectively improved uniformity coefficient and the precision of workpiece heating, makes simultaneously work-piece cools more evenly and few nothing distortion.After the workpiece tempering, work-piece cools is evenly without distortion.In addition, described induction heating tempering system adopts automatization to control, can be in enormous quantities, steady and continuous production.Little through the modified heat treated car rack blank heart table difference of hardness of this system, few without distortion.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, provide the utility model preferred embodiment, to describe the technical solution of the utility model in detail.
As shown in Figure 1, the utility model induction heating tempering system, be applicable to the modified thermal treatment of car rack blank and connecting rod bar.It comprises that the adjustable delivery system 2 of a feed mechanism 1,, the adjustable spray ring type quench cooled of an induction quenching heating unit 3, a mechanism 4, an induction tempering heating unit 5, a chain type cooling bed 6, a discharging mechanism 7 and an electric control system 8 form.Described adjustable delivery system is carried and is advanced for the rand rotation limit that joins before and after some workpiece, and described electrical apparatus control system is for controlling described induction heating tempering system.
Wherein, described adjustable delivery system 2 comprises at least one group of transfer roller wheels and at least one Have electric machine for roller of frequency (not shown), carries and advances for phase edge fit rotation limit before and after workpiece.Described at least one transfer roller wheels are connected with described Have electric machine for roller of frequency with a shaft coupling by a base, and insulate with the roller frame.
Described feed mechanism 1 comprises that a pendulum material stand, one first material toggling mechanism and at least one cover are be used to driving the cylinder (not shown) of described pendulum material stand and described the first material toggling mechanism, and described pendulum material stand and described the first material toggling mechanism all are connected with described a set of at least cylinder.Described pendulum material stand comprises at least one platform and at least one slope, and described like this pendulum bin has certain obliquity, can realize automatic charging.Described material toggling mechanism comprises at least one the first material toggling cutter and at least one the first guiding mechanism.Preferred pneumatic material toggling mechanism of described material toggling mechanism, described like this feed mechanism coordinates pneumatic material toggling mechanism and inductor block interlocking signal, workpiece single continuously feeding successively.
Described induction quenching heating unit 3 comprises one first preheating section, one second preheating section and the one first temperature raising section be connected successively, described first, second preheating section and described the first temperature raising section all adopt many group induction furnaces, and described induction furnace is connected with described electric control system.The heating frequency of described the first preheating section is 7000-10000HZ, and the heating frequency of described the second preheating section is 5000-8000HZ, and the heating frequency of described the first temperature raising section is 3000-6000HZ.Preferably, described induction furnace is by the infrared thermometer detected temperatures, and computer is again according to design temperature and feedback temperature, and PID regulates power automatically, realizes the closed loop temperature control.Herein, described induction furnace is comprised of shell, heater coil and silicon carbide lining cover (preferably high-temperature carborundum neck bush).Induction power supply has the safety protection functions such as overvoltage, overcurrent, water temperature over-high, hydraulic pressure be too low.Induction power supply is by the cooling heating element of board-like pure water cooling system with external circulation heat exchanging.
Described adjustable spray ring type quench cooled mechanism 4 comprises some groups of quench spray circle, a height regulating frame and water legs.Described quenching spray circle is for adjustable for height and multi-angle.
Described induction tempering heating unit 5 comprises one the 3rd preheating section, one second temperature raising section and the holding-zone be connected successively, and described the 3rd preheating section, described the second temperature raising section and described holding-zone are connected with described electric control system.Described induction tempering heating unit 5 is by the infrared thermometer detected temperatures, and computer is again according to design temperature and feedback temperature, and PID regulates power automatically, realizes the closed loop temperature control.
Described discharging mechanism 7 comprises that one second material toggling mechanism, an aggregate rack and at least one cover are be used to driving the cylinder of described the second material toggling mechanism, and described the second material toggling mechanism comprises at least one the second material toggling cutter and at least one the second guiding mechanism.
Described chain type cooling bed 6 is arranged on described discharging mechanism, and described chain type cooling bed 6 drives by a variable-frequency motor, makes its transfer rate adjustable.Simultaneously, the working face of described chain type cooling bed 6 is downward-sloping, and the high temperature workpiece after tempering can roll and advance in the above, few without distortion.
Described electric control system 8 comprises a switching cabinet, action cabinet, an operator's console and a computer, described switching cabinet, described action cabinet and described operator's console all are connected with described computer, and described action cabinet all is connected with described induction tempering heating unit with described induction quenching heating unit.Like this, by man-computer interface, can the real-time monitoring equipment running status, realize the sequence of operations such as newly-built, modification, storage and calling technological.In addition, by automatic control system, realize material loading, conveying, temperature control, the equal automatization of discharging.Product heart table difference of hardness through the modified production of this system is little, few, and performance is very superior without distortion, can fully meet the needs of manufacturing high precision automobile steering rack or other analogous products.
In sum, the utility model induction heating tempering system is by the adjustable rollgang system that rotatable workpiece is set, induction quenching heating unit and the induction tempering heating unit of computer closed loop temperature control, and workpiece homogeneous heating and precision are high.Simultaneously, be furnished with adjustable spray ring type quench cooled mechanism, work-piece cools evenly and few without distortion.Chain type cooling bed makes after the workpiece tempering cooling evenly and without distortion.In addition, by automatic control system is set, realize automatically completing of material loading, conveying, temperature control and discharging.Car rack blank heart table difference of hardness through this induction heating tempering system processing is little of, few distortion, and this system adopts automatization control can realize in enormous quantities, stable continuous production.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art, under the prerequisite that does not deviate from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.
Claims (12)
1. induction heating tempering system, modified thermal treatment for car rack blank or connecting rod bar, it is characterized in that, described induction heating tempering system comprises interconnective one adjustable delivery system and an electric control system, on described adjustable delivery system, be provided with successively a feed mechanism, one induction quenching heating unit, one adjustable spray ring type quench cooled mechanism, one induction tempering heating unit and a discharging structure, described adjustable delivery system is carried and is advanced for the rand rotation limit that joins before and after some workpiece, described electrical apparatus control system is for controlling described induction heating tempering system.
2. induction heating tempering system as claimed in claim 1, it is characterized in that, described adjustable delivery system comprises a set of at least transfer roller wheels and at least one Have electric machine for roller of frequency, and described at least one transfer roller wheels are connected with described Have electric machine for roller of frequency with a shaft coupling by a base.
3. induction heating tempering system as claimed in claim 1, it is characterized in that, described feed mechanism comprises that a pendulum material stand, one first material toggling mechanism and at least one cover are be used to driving the cylinder of described pendulum material stand and described the first material toggling mechanism, and described pendulum material stand and described the first material toggling mechanism all are connected with described a set of at least cylinder.
4. induction heating tempering system as claimed in claim 3, is characterized in that, described pendulum material stand comprises at least one platform and at least one slope, and described material toggling mechanism comprises at least one the first material toggling cutter and at least one the first guiding mechanism.
5. induction heating tempering system as claimed in claim 1, it is characterized in that, described induction quenching heating unit comprises one first preheating section, one second preheating section and the one first temperature raising section be connected successively, described first, second preheating section and described the first temperature raising section all adopt many group induction furnaces, and described induction furnace is connected with described electric control system.
6. induction heating tempering system as claimed in claim 5, it is characterized in that, the heating frequency of described the first preheating section is 7000-10000HZ, and the heating frequency of described the second preheating section is 5000-8000HZ, and the heating frequency of described the first temperature raising section is 3000-6000HZ.
7. induction heating tempering system as claimed in claim 5, is characterized in that, the neck bush of described induction furnace is the silicon carbide lining cover.
8. induction heating tempering system as claimed in claim 1, is characterized in that, described adjustable spray ring type quench cooled mechanism comprises some groups of quench spray circle, a height regulating frame and water legs.
9. induction heating tempering system as claimed in claim 1, it is characterized in that, described induction tempering heating unit comprises one the 3rd preheating section, one second temperature raising section and the holding-zone be connected successively, and described the 3rd preheating section, described the second temperature raising section and described holding-zone are connected with described electric control system.
10. induction heating tempering system as claimed in claim 1, it is characterized in that, described discharging mechanism comprises that one second material toggling mechanism, an aggregate rack and at least one cover are be used to driving the cylinder of described the second material toggling mechanism, described the second material toggling mechanism comprises at least one the second material toggling cutter and at least one the second guiding mechanism, and described aggregate rack is that U-shaped is groove-shaped.
11. induction heating tempering system as claimed in claim 10, is characterized in that, described induction heating tempering system also comprises that one is arranged at the chain type cooling bed on described discharging mechanism, and described chain type cooling bed drives by a variable-frequency motor.
12. induction heating tempering system as described as claim 1-11 any one, it is characterized in that, described electric control system comprises a switching cabinet, action cabinet, an operator's console and a computer, described switching cabinet, described action cabinet and described operator's console all are connected with described computer, and described action cabinet all is connected with described induction tempering heating unit with described induction quenching heating unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202543662U CN203307376U (en) | 2013-05-10 | 2013-05-10 | Induction heating and tempering system |
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| CN2013202543662U CN203307376U (en) | 2013-05-10 | 2013-05-10 | Induction heating and tempering system |
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| CN203307376U true CN203307376U (en) | 2013-11-27 |
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| CN2013202543662U Expired - Fee Related CN203307376U (en) | 2013-05-10 | 2013-05-10 | Induction heating and tempering system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103421936A (en) * | 2013-05-10 | 2013-12-04 | 上海北特科技股份有限公司 | Induction heating quenching and tempering system |
| CN105648164A (en) * | 2014-11-14 | 2016-06-08 | 宝山钢铁股份有限公司 | Induction heating method and device with self-adaptive distance adjusting function |
| CN107586934A (en) * | 2017-09-21 | 2018-01-16 | 江苏南钢通恒特材科技有限公司 | Big rod senses hardening and tempering process and big rod sensing tempering product line |
-
2013
- 2013-05-10 CN CN2013202543662U patent/CN203307376U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103421936A (en) * | 2013-05-10 | 2013-12-04 | 上海北特科技股份有限公司 | Induction heating quenching and tempering system |
| CN105648164A (en) * | 2014-11-14 | 2016-06-08 | 宝山钢铁股份有限公司 | Induction heating method and device with self-adaptive distance adjusting function |
| CN107586934A (en) * | 2017-09-21 | 2018-01-16 | 江苏南钢通恒特材科技有限公司 | Big rod senses hardening and tempering process and big rod sensing tempering product line |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |