CN107354278B - A kind of aerosol Quenching Production Line and its production technology obtaining intensity adjustable automobile structure - Google Patents

A kind of aerosol Quenching Production Line and its production technology obtaining intensity adjustable automobile structure Download PDF

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Publication number
CN107354278B
CN107354278B CN201710724536.1A CN201710724536A CN107354278B CN 107354278 B CN107354278 B CN 107354278B CN 201710724536 A CN201710724536 A CN 201710724536A CN 107354278 B CN107354278 B CN 107354278B
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nozzle
quenching
aerosol
transmission
strength steel
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CN107354278A (en
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盈亮
高天涵
侯文彬
胡平
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Dalian University of Technology
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Dalian University of Technology
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/667Quenching devices for spray quenching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00Process control or regulation for heat treatments
    • C21D11/005Process control or regulation for heat treatments for cooling

Abstract

The invention discloses a kind of aerosol Quenching Production Lines and its production technology obtaining intensity adjustable automobile structure, and the production line includes cutting out equipment, second conveyer, cold stamping equipment, second conveyer, heating device, third transmission device, steam fog quenching device and the 4th transmission equipment along high-strength steel unwinding device, the high-strength steel that straight line is set gradually.Steam fog quenching device includes top frame and bottom end frame, top frame includes the first nozzle group and the second nozzle group and corresponding driving device, air compressor machine, high-pressure gas cylinder, water tank, high-pressure air pipe, high-pressure water pipe, wastewater drainage pipe and waste water treatment system are equipped in the framework of bottom end, bottom end framework upper end is equipped with the 5th transmission equipment.The present invention has many advantages, such as that high degree of automation, degree of integration are high, production efficiency is high, production cost is low, working environment is good, the preparation that the heat-treatable strengthened high-strength steel part of mechanical performance gradient distribution may be implemented, effectively realizes body of a motor car safety and lightweight target.

Description

A kind of aerosol Quenching Production Line and its production technology obtaining intensity adjustable automobile structure
Technical field
The present invention relates to a kind of production of novel high-strength steel automobile structure and Field of Heat-treatment, specifically when high-strength Steel carries out special thermal treatment after cold stamping and prepares production line and life with the automobile structure for obtaining mechanical performance gradient distribution Production. art.
Background technology
Lightweight and the two big permanent objectives that safety is that auto industry is pursued.By adjusting interfacial thickness size and power Learn performance differentiation be distributed so that realize automobile body-in-white parts capability gradient distribution, be beneficial to steel saving and Ensure the structure lightened target under the premise of bodywork safety.On the basis of traditional cold forming techniques, one kind is derived more It is suitble to forming technique --- the graded composite hot forming techniques of automobile structure carrying distribution.It realizes parts and is bearing to rush The region for hitting load still has high intensity, then has better plasticity needing the region for absorbing energy.This graded is strong Degree has more meaning compared to uniform strength performance requirement for automotive light weight technology, can get and more meets bearing requirements, meets Crashworthiness, the lighter parts of weight more meet the Functional Design demand of Modern Automobile Body manufacture.
Further, to realize the cold forming part manufacture of intensity gradient, can come in conjunction with novel fog quenching technology real The subregion of existing high-strength boron steel is segmented rapid quenching processes, and different region cooling rates is different, can effectively realize material after quenching The gradient of microstructure is distributed, and then realizes mechanical performance gradient distribution.The technology has heat transfer uniformly, quenches position and control The advantages that Parameter adjustable is controllable, it has also become realize an important development direction for obtaining mechanical performance gradientization distribution part.Mesh The preceding above-mentioned method with intensity adjustable performance profile auto parts of acquisition depends on mold, as mold subregion is cooling, prepares The methods of surface heat barrier coating (China Patent No.:201210589839.4,201310503329.5,201510352876.7 Deng), each depend on the process reform for changing mould structure and attribute and combining in punching course.However the practical punching press of drop stamping Technological factor control range in the process is smaller, and is difficult to accurately, effectively realize closed-loop control, it is difficult within a very short time The adjusting and control for realizing Cooling Quenching speed, it is even more impossible to obtain the spy of the mechanical properties gradient of larger size part distribution Sign.In addition, different parts need different molds, and so that the production cost increases, efficiency reduces.Therefore, a kind of acquisition becomes strong The aerosol Quenching Production Line and its production technology for spending automobile structure are of great significance and are worth.
Invention content
According to above-mentioned technical problem, this patent provide it is a kind of obtain intensity adjustable automobile structure aerosol Quenching Production Line and Its production technology.Present invention is primarily based on heating procedure and gas are added after the traditional cold stamping forming process of high-strength steel construction piece Mist quenches flow, using special, highly integrated, full automatic steam fog quenching device, to realize high-strength steel construction piece not The characteristics of being distributed with region intensity gradient.
A kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure, includes being opened along the high-strength steel that straight line is set gradually Volume equipment, high-strength steel cut out equipment, second conveyer, cold stamping equipment, second conveyer, heating device, third transmission Device, steam fog quenching device (being wherein integrated with the 5th transmission device) and the 4th transmission equipment;
The high-strength steel unwinding device, the high-strength steel cut out equipment, the second conveyer, the cold stamping are set Standby, the described second conveyer, the heating device, the third transmission device, the steam fog quenching device and the described 4th Transmission equipment is connect by data line with production line central electronic control system;
Steam fog quenching device includes top frame and bottom end frame;
It is connected by electronically controlled hydraulic system between the top framework and the bottom end framework;
Be equipped in the top framework the first nozzle group (nozzle position of the first nozzle group is fixed, and nozzle angle is variable) and Second nozzle group (nozzle position of the second nozzle group is variable, and nozzle angle is fixed), first nozzle group and second spray Head group includes multiple nozzles along rectilinear direction arrangement, and first nozzle group, which is equipped with, drives first nozzle group The first driving means rotated around the axis of first nozzle group, second nozzle group, which is equipped with, drives second nozzle The second driving device that group is moved along the axis direction of second nozzle group;
Air compressor machine, high-pressure gas cylinder, water tank, high-pressure air pipe, high-pressure water pipe, waste water draining are equipped in the bottom end framework Pipe and waste water treatment system, bottom end framework upper end are equipped with the 5th transmission equipment;
The air compressor machine is connected to the high-pressure gas cylinder, the upper end of the upper end of the water tank and the high-pressure gas cylinder Be connected to and be simultaneously connected to together with the high-pressure air pipe, the other end of the high-pressure air pipe by steam fog quenching device Numerical control valve with it is described Nozzle is connected to, and the upper end of the water tank is also connected to the high-pressure water pipe, and the other end of the high-pressure water pipe passes through the gas Mist quenching unit Numerical control valve is connected to the nozzle, and the water tank also has the waste water treatment system to be connected to, at the waste water Reason system is connected to by wastewater drainage pipe with multiple waste water holes positioned at bottom end framework upper end, during spraying, flow It is flowed into waste water treatment system into waste water hole, then by wastewater drainage pipe, is flowed into water tank recycles after processing, Have reached water-saving purpose;
It is additionally provided in the top framework and the electronically controlled hydraulic system, the first driving means, second driving Device, the 5th transmission equipment and the steam fog quenching device Numerical control valve are electricly connected to central electronic control unit, the center Electronic control unit is connect with the production line central electronic control system electric control.
The electronically controlled hydraulic system includes four hydraulic cylinders being located in the bottom end framework, the hydraulic column of the hydraulic cylinder It is connect with the lower end of the top framework, hydraulic pump, the hydraulic pump and the central electronic control list is additionally provided on the hydraulic cylinder Member electricly connects.
The second conveyer, the second conveyer, the third transmission device, the 4th transmission device and 5th transmission device is adiabatic porcelain tube transmission device;
The thermal insulation porcelain tube transmission device includes connecting with the adiabatic porcelain tube along multiple adiabatic porcelain tubes arranged in a straight line The chain drive system connect and the adiabatic porcelain tube driving electricity for driving the chain drive system that the adiabatic porcelain tube is driven to be rotated about their axes Machine, the heat transmission for acting as isolation part and transmission device of adiabatic porcelain tube, reduces mismachining tolerance;
The second conveyer, the second conveyer, the third transmission device, the 4th transmission device Adiabatic porcelain tube driving motor is connect by data line with production line central electronic control system;
The adiabatic porcelain tube driving motor of 5th transmission device is electricly connected with the central electronic control unit.
The first driving means include sprinkler rotation driving motor, and the sprinkler rotation driving motor passes through sprinkler rotation Driving belt transmission system drives first nozzle group to be rotated around the axis of first nozzle group;
The sprinkler rotation driving motor is electricly connected with the central electronic control unit.
Second driving device includes nozzle movement driving motor, and the nozzle movement driving motor is moved by nozzle Driving gear sprays cephalomotor rack with the driving in second nozzle group and connect;
The nozzle movement driving motor is electricly connected with the central electronic control unit.
The air extractor for being additionally provided with multiple moisture traps in the top framework and being connected to the moisture trap, institute The working end for stating air extractor is stretched out from top framework lower end;
The moisture trap is electricly connected with the central electronic control unit;
The moisture trap is connected to the waste water treatment system.
Air extractor makes the water mist in workshop decline, to ensure that workshop working environment, moisture trap to isolate Flow return water tank so that water circulation use.
High-strength steel unwinding device is made of uncoiler, guiding equipment, leveling equipment, measuring device and cutting device, high High-strength steel volume is flattened and is cut out by strong steel unwinding device, and specific dimensions steel plate is cut into after high-strength steel cuts out equipment, And be transmitted in cold stamping equipment by transmission device, cold stamping preform is carried out by the mold in cold stamping equipment, wherein cold Stamping equipment includes oil pressure servo-drive system, pressure control unit, control system and cold punching die;High-strength steel zero after forming Part, which is transmitted to by transmission device in heating device, to be heated, is kept the temperature, so that high-strength steel part uniform austenitic, In, heating device is electric furnace, including electric heater unit, temperature control unit, high temperature transfer roller and refractory walls;Heating, High-strength steel part after heat preservation is transmitted to by transmission device in steam fog quenching device, carries out local aerosol quenching, wherein aerosol The spray parameters of quenching unit preset and be programmed into aerosol quenching control unit, control quenching process; Quality examination and subsequent handling are finally carried out by quenched part.
The invention also discloses a kind of aerosol Quenching Production Lines by acquisition intensity adjustable automobile structure described above The production technology of aerosol quenching is carried out, there are following steps,
S1, high-strength coil of strip are cut out by high-strength steel unwinding device and high-strength steel after equipment cuts out, and cold stamping equipment is passed through Carry out cold stamping preform process;
High-strength steel part after S2, cold stamping, which is sent into heating device, to be heated to reach the effect of uniform austenitic Fruit, wherein heating temperature is 900~950 DEG C, is protected by carbon dioxide/inert gas, and 5~10min is kept the temperature;
It after S3, high-strength steel part are heated and kept the temperature, is transported in steam fog quenching device, carries out local aerosol quenching Process, central electronic control unit control local aerosol quenching process according to preset aerosol parameters of quenching;
After S4, aerosol quenching process, part is transported out, carries out quality examination and subsequent handling.
In the step S3, central electronic control unit is according to preset aerosol parameters of quenching to local aerosol quenching process It carries out control and refers to that central electronic control unit controls steam fog quenching device Numerical control valve control (control aerosol according to aerosol parameters of quenching The aperture of quenching unit Numerical control valve) it is passed through the mixed of the pressure-air of nozzle and the pressure of high pressure water and pressure-air and high pressure water Combined pressure by force than, by control electronically controlled hydraulic system control nozzle to high-strength steel part distance, pass through control first driving means Drive nozzle relatively high-strength steel part of first nozzle group in the axis rotation adjustment first driving means of the first nozzle group Angle drives second nozzle group to be moved along the axis direction of second nozzle group by controlling second driving device Adjust the position of the relatively high-strength steel part of nozzle in the second nozzle group.
Compared with the prior art, aerosol quenching production stream is newly added in the present invention after traditional cold stamping shaped production line Journey, wherein high-strength steel part is first into continuous heating after uncoiling and cold stamping preform and is heated, so It is transported to completion aerosol quenching process in steam fog quenching device that is special, highly integrated, automatically controlling afterwards, wherein aerosol The height of quenching unit is adjustable, and the angle of nozzle, position, rotation or movement speed are adjustable, be passed through the pressure-air of nozzle with it is high The pressure of water and the mixing pressure ratio of pressure-air and high pressure water are pressed, design parameter is by central electronic control system according to setting in advance The characteristics of fixed aerosol quenching process parameters automatically control after programming, and the mechanical performance gradient to reach part is distributed.
The present invention has high degree of automation, degree of integration are high, production efficiency is high, production cost is low, working environment is good etc. Advantage may be implemented the preparation of the heat-treatable strengthened high-strength steel part of mechanical performance gradient distribution, effectively realize Automobile Body safety and lightweight target.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 be the present invention specific implementation mode in it is a kind of obtain intensity adjustable automobile structure aerosol Quenching Production Line Composition and connection diagram.
Fig. 2 be the present invention specific implementation mode in it is a kind of by obtain intensity adjustable automobile structure aerosol quench production Line carries out the production technological process of aerosol quenching.
Fig. 3 be the present invention specific implementation mode in steam fog quenching device front view.
Fig. 4 be the present invention specific implementation mode in steam fog quenching device side view.
Specific implementation mode
To make the purpose, technical scheme and advantage of the embodiment of the present invention be more clear, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As Figure 1-Figure 4, a kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure, including successively along straight line High-strength steel unwinding device 1, the high-strength steel of setting cut out equipment 2, second conveyer 3, cold stamping equipment 4, second conveyer 5, heating device 6, third transmission device 7, steam fog quenching device 8 and the 4th transmission equipment 9;
High-strength coil of strip first passes around high-strength steel unwinding device 1 and cuts out equipment 2 with high-strength steel, and the high strength steel plate 10 after cutting out passes through The transport for crossing second conveyer 3 is sent into cold stamping equipment 4, carries out the high-strength steel part 11 after cold stamping preform by the Two transmission devices 5 are transported on heating device 6 and are heated and kept the temperature, and are transmitted and fill by third after reaching uniform austenitic It sets 7 to be transported in the steam fog quenching device 8 of modulated aerobic mist parameters of quenching, carries out aerosol quenching, mechanical property is obtained after quenching The high-strength steel part 12 of energy gradient distribution, process is as shown in Figure 2.
The high-strength steel unwinding device 1, the high-strength steel cut out equipment 2, the second conveyer 3, the cold stamping Equipment 4, the second conveyer 5, the heating device 6, the third transmission device 7, the steam fog quenching device 8 and institute It states the 4th transmission equipment 9 to connect with production line central electronic control system 14 by data line 13, and passes through production line central electronic control System 14 carries out synthetical automatic control to links.
As shown in Figure 3 and Figure 4, high-strength steel part 6 is after cold stamping preform and heating and thermal insulation, by third transmission device 7 It is transported in steam fog quenching device 8, designated position is transported to by rotatable adiabatic porcelain tube 15 (i.e. the 5th transmission device), In, rotatable thermal insulation porcelain tube 15 is driven by adiabatic porcelain tube driving motor 16, is transmitted to power absolutely by chain drive system 17 It on hot porcelain tube 15, is rotated while realizing adiabatic porcelain tube 15, the slewing rate and state of adiabatic porcelain tube 15 are by central electronic control unit 18 controls;When high-strength steel part 6 is transmitted to designated position, air-water mixture by the first specified nozzle group nozzle 19 or the The nozzle 20 of two nozzle groups sprays, and the 6 enterprising promoting the circulation of qi mist of high-strength steel part of spray to red heat quenches.Wherein, pressure-air is the bottom of by It holds the air compressor machine 22 in framework 21 to generate, is stored in high-pressure gas cylinder 23, water is stored in water tank 24, and pressure-air is passed through Into water tank 24, hydraulic pressure is gone out, forms high pressure water.Pressure-air is passed through with high pressure water by high-pressure air pipe 25 and high-pressure water pipe 26 Into specified nozzle, it is mixed to form aerosol, the pressure of pressure-air and high pressure water is automatic by steam fog quenching device Numerical control valve 27 Control, the aperture of steam fog quenching device Numerical control valve 27 are controlled by central electronic control unit 18.
The top framework 28 of steam fog quenching device 8 can drive hydraulic column 30 real by the hydraulic cylinder 29 in bottom end framework 21 It now moves up and down, to change height, and then changes nozzle from the distance between high-strength steel part 6, wherein hydraulic cylinder 29 is by hydraulic pressure 31 driving of pump;Central electronic control unit 18 controls the working condition of hydraulic cylinder 29.
19 position of nozzle of first nozzle group is fixed, and nozzle angle is variable, the adjustable range of angle be -60 ° to 60 ° it Between, the adjusting of angle drives sprinkler rotation driving belt transmission system 33 to be adjusted by sprinkler rotation driving motor 32;
20 position of nozzle of second nozzle group is variable, and nozzle angle is fixed, and the movement of position moves driving electricity by nozzle Machine 34 drives nozzle movement driving gear 35 to spray cephalomotor rack 36, and then band with the driving in second nozzle group The nozzle of dynamic second nozzle group is moved.Rotational angle is controlled with movement speed by central electronic control unit 18.
Quenched waste water is drained by wastewater drainage pipe 37 in waste water treatment system 38 by waste water hole, with a large amount of oxidations The waste water of iron is filtered processing in waste water treatment system 38, and the water filtered out is discharged to water tank 24 by High Pressure Drain pipe In, to realize recycling for water.Since the process of aerosol quenching will produce a large amount of vapor, shopwork ring is influenced whether Border can effectively remove the vapor generated in the course of work so framework 28 lower end in top is equipped with extractor fan 39, with Safeguard work environment.Wherein, vapor is evacuated to by extractor fan 39 in moisture trap 40, and moisture trap 40 is cold by vapor It is solidifying, it is imported into waste water treatment system 38 by conduit, realization recycles water, to reduce processing cost.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (8)

1. a kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure, which is characterized in that including being set gradually along straight line High-strength steel unwinding device, high-strength steel cut out equipment, second conveyer, cold stamping equipment, second conveyer, heating dress It sets, third transmission device, steam fog quenching device and the 4th transmission equipment;
The high-strength steel unwinding device, the high-strength steel cut out equipment, the second conveyer, the cold stamping equipment, institute Second conveyer, the heating device, the third transmission device, the steam fog quenching device and the 4th transmission is stated to set It is standby to be connect with production line central electronic control system by data line;
Steam fog quenching device includes top frame and bottom end frame;
It is connected by electronically controlled hydraulic system between the top framework and the bottom end framework;
The first nozzle group and the second nozzle group are equipped in the top framework, first nozzle group and second nozzle group are equal Including multiple nozzles along rectilinear direction arrangement, first nozzle group, which is equipped with, drives first nozzle group around described The first driving means of the axis rotation of first nozzle group, second nozzle group, which is equipped with, drives second nozzle group along institute State the second driving device of the axis direction movement of the second nozzle group;
Be equipped in the bottom end framework air compressor machine, high-pressure gas cylinder, water tank, high-pressure air pipe, high-pressure water pipe, wastewater drainage pipe and Waste water treatment system, bottom end framework upper end are equipped with the 5th transmission equipment;
The air compressor machine is connected to the high-pressure gas cylinder, and the upper end of the water tank is connected to the upper end of the high-pressure gas cylinder And be connected to together with the high-pressure air pipe, the other end of the high-pressure air pipe passes through steam fog quenching device Numerical control valve and the nozzle Connection, the upper end of the water tank are also connected to the high-pressure water pipe, and the other end of the high-pressure water pipe is quenched by the aerosol Fiery device Numerical control valve is connected to the nozzle, and the water tank also has the waste water treatment system to be connected to, the wastewater treatment system System is connected to by wastewater drainage pipe with multiple waste water holes positioned at bottom end framework upper end;
Be additionally provided in the top framework with the electronically controlled hydraulic system, the first driving means, second driving device, The central electronic control unit that 5th transmission equipment and the steam fog quenching device Numerical control valve electricly connect, the central electronic control list It is first to be connect with the production line central electronic control system electric control.
2. a kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure according to claim 1, it is characterised in that: The electronically controlled hydraulic system includes four hydraulic cylinders being located in the bottom end framework, the hydraulic column of the hydraulic cylinder and the top The lower end connection of framework is held, hydraulic pump, the hydraulic pump and the automatically controlled company of the central electronic control unit are additionally provided on the hydraulic cylinder It connects.
3. a kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure according to claim 1, it is characterised in that: The second conveyer, the second conveyer, the third transmission device, the 4th transmission device and the described 5th Transmission device is adiabatic porcelain tube transmission device;
The thermal insulation porcelain tube transmission device includes being connect with the adiabatic porcelain tube along multiple adiabatic porcelain tubes arranged in a straight line Chain drive system and the adiabatic porcelain tube driving motor for driving the chain drive system that the adiabatic porcelain tube is driven to be rotated about their axes;
The thermal insulation of the second conveyer, the second conveyer, the third transmission device, the 4th transmission device Porcelain tube driving motor is connect by data line with production line central electronic control system;
The adiabatic porcelain tube driving motor of 5th transmission device is electricly connected with the central electronic control unit.
4. a kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure according to claim 1, it is characterised in that: The first driving means include sprinkler rotation driving motor, and the sprinkler rotation driving motor drives band to pass by sprinkler rotation First nozzle group described in dynamic system drive is rotated around the axis of first nozzle group;
The sprinkler rotation driving motor is electricly connected with the central electronic control unit.
5. a kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure according to claim 1, it is characterised in that: Second driving device includes nozzle movement driving motor, and the nozzle movement driving motor moves driving gear by nozzle Cephalomotor rack is sprayed with the driving in second nozzle group to connect;
The nozzle movement driving motor is electricly connected with the central electronic control unit.
6. a kind of aerosol Quenching Production Line obtaining intensity adjustable automobile structure according to claim 1, it is characterised in that: The air extractor for being additionally provided with multiple moisture traps in the top framework and being connected to the moisture trap, the pumping dress The working end set is stretched out from top framework lower end;
The moisture trap is electricly connected with the central electronic control unit;
The moisture trap is connected to the waste water treatment system.
7. a kind of aerosol by the acquisition intensity adjustable automobile structure described in claim 1-6 any claims quenches production Line carries out the production technology of aerosol quenching, it is characterised in that there are following steps,
S1, high-strength coil of strip are cut out by high-strength steel unwinding device and high-strength steel after equipment cuts out, and are carried out by cold stamping equipment Cold stamping preform process;
High-strength steel part after S2, cold stamping, which is sent into heating device, to be heated to achieve the effect that uniform austenitic, Wherein, heating temperature is 900~950 DEG C, is protected by carbon dioxide/inert gas, and 5~10min is kept the temperature;
It after S3, high-strength steel part are heated and kept the temperature, is transported in steam fog quenching device, carries out local aerosol quencher Sequence, central electronic control unit control local aerosol quenching process according to preset aerosol parameters of quenching;
After S4, aerosol quenching process, part is transported out, carries out quality examination and subsequent handling.
8. the acquisition intensity adjustable vehicle structure according to claim 7 by described in claim 1-6 any claims The aerosol Quenching Production Line of part carries out the production technology of aerosol quenching, which is characterized in that in the step S3, central electronic control unit Carrying out control to local aerosol quenching process according to preset aerosol parameters of quenching refers to central electronic control unit according to gas The control steam fog quenching device Numerical control valve control of mist parameters of quenching is passed through the pressure-air of nozzle and the pressure of high pressure water and high pressure The mixing pressure of air and high pressure water than, controlled at a distance from nozzle to high-strength steel part by controlling electronically controlled hydraulic system, pass through It controls first driving means and drives nozzle of first nozzle group in the axis rotation adjustment first driving means of the first nozzle group The angle of relatively high-strength steel part drives second nozzle group along second nozzle by controlling second driving device The position of the relatively high-strength steel part of nozzle in axis direction movement the second nozzle group of adjustment of group.
CN201710724536.1A 2017-08-22 2017-08-22 A kind of aerosol Quenching Production Line and its production technology obtaining intensity adjustable automobile structure Active CN107354278B (en)

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CN110394609B (en) * 2019-08-29 2020-12-22 马鞍山钢铁股份有限公司 Preparation method of variable-strength hot-formed part for automobile
CN210886134U (en) * 2019-10-12 2020-06-30 苏州泊松智能科技有限公司 Liquid guiding device and quenching equipment
CN111690792A (en) * 2020-06-29 2020-09-22 萧县华恒静电科技有限公司 Surface heat treatment device suitable for large-size metal object
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