CN105414177B - A kind of cold rolling super-high strength steel short route production and processing technology and equipment - Google Patents

A kind of cold rolling super-high strength steel short route production and processing technology and equipment Download PDF

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Publication number
CN105414177B
CN105414177B CN201510812095.1A CN201510812095A CN105414177B CN 105414177 B CN105414177 B CN 105414177B CN 201510812095 A CN201510812095 A CN 201510812095A CN 105414177 B CN105414177 B CN 105414177B
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roller
strip
punching press
cold rolling
strength steel
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CN105414177A (en
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彭艳
邢鹏达
孙建亮
王玉辉
刘才溢
陈国兴
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Yanshan University
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Yanshan University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007Cutting or shearing the product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0035Forging or pressing devices as units
    • 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0452Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment with application of tension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/221Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling

Abstract

A kind of cold rolling super-high strength steel short route production and processing technology, supplied materials hot-strip is after overpickling etc. rolls preceding process processing, carry out cold rolling, carry out heat treatment and deformation and fades change integrated treatment, after strip is thermally treated and deformation and fades change integrated treatment, into kink, adjustment kink amount adapts to the variation of mill speed and drawing velocity, can enter punching press quenching technical after shearing scale;Super-high strength steel just obtains stamping parts finished product or semi-finished product after finishing.A kind of cold rolling super-high strength steel short route manufacturing and processing equipment includes tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace toe-out force control device, annealing furnace, annealing furnace post-tensioning force control device, collecting box etc..The present invention reduces energy consumptions, have saved the energy, reduce production cost;The heat treatment process of super-high strength steel adds deforming technique, so that super-high strength steel is realized deformation and fades change and synchronizes the purpose carried out, improves the performance of strip.

Description

A kind of cold rolling super-high strength steel short route production and processing technology and equipment
Technical field
The present invention relates to metallurgical processing technical fields.
Background technology
The production and processing of super-high strength steel strip haves the characteristics that rolling deformation drag is big, needs to carry out at annealing after cold rolling Reason, to eliminate processing hardening phenomenon and strip internal residual stress, obtains super-high strength steel cold-reduced sheet after annealing.Produce super-high strength steel Continuous annealing need to be carried out, largely improves production efficiency than traditional bell-type annealing.Obtain super-high strength steel cold-reduced sheet After need to carry out deep process, can just obtain final finished product, for example carry out drawing, punching press etc..Punching press quenching is that production is high-strength A kind of hot stamping method of steel Automobile Plate and a kind of deep process of super-high strength steel.In existing production technology, punching press Quenching technical produces production technology early period of supplied materials cold-reduced sheet with it and is carried out separately, i.e., super-high strength steel is cold after continuous annealing But cold-reduced sheet is obtained, cold-reduced sheet is transported to press workshop, and punching press quenching technical is carried out after heating again.Its shortcoming:It is super The continuous annealing process energy consumption of high-strength steel is very big, and production cost is high, reduces production efficiency, energy serious waste, and cannot incite somebody to action Rolling deformation, heat treatment, the deep process of super-high strength steel are efficiently agreed with.
Invention content
The purpose of the present invention is to provide a kind of continuous annealing process by cold rolling super-high strength steel and punching press quenching technical phase In conjunction with, so that rolling deformation, heat treatment, the deep process of super-high strength steel is reconfigured, to improve product quality, reduction A kind of cold rolling super-high strength steel short route production and processing technology and equipment of energy consumption and cost input.
A kind of cold rolling super-high strength steel short route production and processing technology, is as follows:
(1) supplied materials hot-strip carries out cold rolling, the cold rolling after overpickling etc. rolls preceding process processing It is rolled for fully continuous type cold rolling or reversible cold-rolling;
(2) after being rolled down to desired size, heat treatment and deformation and fades change integrated treatment are carried out, the heat treatment in the step includes Three phases, respectively preheating section, bringing-up section, soaking zone;Strip is heated to 150 DEG C~200 DEG C by preheating section from room temperature;Heating Strip is heated to 700 DEG C~950 DEG C temperature or more by Duan Jixu;Strip is maintained bringing-up section temperature by soaking zone, and keeps the temperature 3min ~5min;The deformation and fades change integrated treatment refers to strip during heat treatment, and carrying out tension force to strip exists 3.0kg/mm2~5.0kg/mm2, make strip under deformation and fades change comprehensive function, further increase structure property and comprehensive mechanical property Energy;
(3) strip is thermally treated with after deformation and fades change integrated treatment, and into kink, rolling speed is adapted to by adjusting kink amount The variation of degree and drawing velocity, mill speed is 30m/s~50m/s, drawing velocity 100mm/s, after shearing scale Into punching press quenching technical, is required according to punching press quenching technical, determine cooling system;The punching press quenching technical front end setting It is exactly velocity sensor to have, and ensures that the speed of service of strip and drawing velocity match;The punching press quenching is quenched using punching press Fiery mould inside water-cooling process;
(4) after the completion of punching press, super-high strength steel just obtains stamping parts finished product or semi-finished product after finishing.
To realize that above-mentioned cold rolling super-high strength steel short route production and processing technology, a kind of cold rolling super-high strength steel of the present invention are short Before flow manufacturing and processing equipment includes mainly tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace Tenslator, annealing furnace, annealing furnace post-tensioning force control device, Precise asymptotics, shearing toe-out force control device, shearing are defeated Send roller-way, cutter, shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand, heated transportation roller-way, heating furnace, press machine, Punching press rollgang and collecting box.
Wherein, tandem mills are the prior art, and manufacturer is Beijing Yang Wang profit new sciences and technologies Co., Ltd, model YW-WLZ1450;Degreasing plant is the prior art, and U.S. steel joins continuous annealing production line degreasing process;Looping tower is the prior art, Line vertical loop tower moves back for what the real metallurgical equipment Manufacturing Co., Ltd of Wuhan ten thousand connected in manufacturer;Annealing furnace is the prior art, raw Produce the vertical continuous annealing furnace that producer is Si Tanyin stoves company of France;Precise asymptotics are the prior art, and manufacturer is Wuxi 650 reversible four-roller finishing machines of triumphant suitable metallurgical machinery Manufacturing Co., Ltd;Cutter is the prior art, and manufacturer is Foshan City The rich FWFJ-QZD-1600 flying shearing machine for automated machine equipment Co., Ltd;Shearing electromagnetic mechanical hand is the prior art, raw Produce the loading and unloading robot HY6-A10 that producer is permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou;Heating furnace is the prior art, factory Family is the stepped billet heating furnace of Nianda Furnace Science and Technology Co., Ltd., Nanjing;Press machine is the prior art, and manufacturer is Ji The J23 series open-type inclinable presses of southern two lathe Group Co., Ltd;Punching press electromagnetic mechanical hand is the prior art, factory Family is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou.
Above-mentioned each component part is that a line is arranged in workshop, completely long 50m~100m;Tandem mills For five rack tandem rollings, each bay interval 2m~3m arrangements;Degreasing plant entrance frame is rigid body frame structure, if there are two carrying roller, The axis direction of another carrying roller is mutually parallel, and parallel with horizontal plane, a carrying roller and the cold company of degreasing plant entrance frame The last one rack of milling train group is connected, another carrying roller of degreasing plant entrance frame is connected with the degreasing plant; Strip is each passed through degreasing plant and the two is connected with the connection roller of kink tower bottom, is provided in the looping tower multiple Loop back roll, the last one loop back roll are connected by strip with annealing furnace toe-out force control device;Annealing furnace forward pull control Device processed is in different height and front and back position at, two forward pull rollers by two forward pull roller groups relative to ground, strip according to It is secondary to pass through two forward pull rollers, it is in " S " type;Forward pull roller positioned at position rearward is connected with annealing furnace, the annealing furnace Be divided into preheating section, bringing-up section, soaking zone, lehr roller be both provided in top and bottom in annealing furnace, strip in turn through Lehr roller, and be coated on the outside of each lehr roller;Annealing furnace post-tensioning force control device is filled with the control of annealing furnace forward pull It is identical to set structure, by two backward pull roller groups at being connected with annealing furnace positioned at the backward pull roller by front position, strip is worn successively The roll in the backward pull roller Yu the Precise asymptotics of position rearward is crossed, and the two is connected;Strip passes through finishing machine It is connected with the shear tension roller in shearing toe-out force control device after roll in group, the shearing toe-out force control device By four shear tension roller groups at the axis of four shear tension rollers is mutually parallel, and the line composition of four axis endpoints " falls terraced Shape " structure, strip sequentially passes through four shear tension rollers, and is connected with the shearing rollgang at rear, shears rollgang Length is 5m~10m, and the top for shearing rollgang is equipped with cutter;It is arranged at shearing rollgang end 0.5m~1.0m There are shearing electromagnetic mechanical hand, shearing electromagnetic and mechanical hand rear portion, distance, which is sheared to be provided at electromagnetic and mechanical hand 0.5m~1.0m, to be added Heated conveying roller-way, heated transportation roller-way are located at same level height with shearing rollgang, and the length of heated transportation roller-way is 10m ~15m, heated transportation roller way middle part are provided with heating furnace, and heated transportation roller-way end is provided with press machine, press machine rear portion, away from From being provided with punching press rollgang at press machine 0.5m~1.0m;Punching press rollgang and heated transportation roller-way, shearing conveying roller Road is located at same level height, and the length of punching press rollgang is 5m~10m;Punching press rollgang end is conveyed apart from punching press Punching press electromagnetic mechanical hand is equipped at the 0.5m~1.0m of roller-way end, the punching press electromagnetic mechanical hand end is provided with collection Case;The collecting box is the square box of upper opening, and stamping products are fallen to inside collecting box in process of production.
Further, the mm finishing mill unit is 4-roller cold rolling mill or six-roll cold mill.
Further, the preheating section, bringing-up section, be disposed with heat radiation tube inside soaking zone.
Further, the preheating section, bringing-up section, protective gas formed by hydrogen and nitrogen inside soaking zone.
Further, it is provided with velocity sensor between the cutter and press machine, is set inside the press machine It is equipped with water cooling mold.
Further, the shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand are by rotary type hydraulic platform and electromagnetism Sucker forms, and the magnechuck is located at arm end.
Compared with prior art, the invention has the advantages that:
1, the continuous annealing heat treatment process of cold rolling super-high strength steel is combined with punching press quenching technical, makes super-high strength steel Rolling deformation, heat treatment, deep process are reconfigured, and production procedure is shortened compared with traditional processing technology, are reduced Energy consumption, has saved the energy, reduces production cost;
2, the heat treatment process of super-high strength steel adds deforming technique, so that super-high strength steel is realized deformation and fades change and synchronizes progress Purpose improves the performance of strip.
Description of the drawings
Fig. 1 is the cold rolling super-high strength steel short route production and processing technology flow chart of the present invention;
Fig. 2 is the cold rolling super-high strength steel short route manufacturing and processing equipment structural schematic diagram of the present invention.
In figure:Tandem mills 1, rack 2, degreasing plant entrance frame 3, two carrying rollers 4, degreasing plant 5, strip 6, kinks After tower 7, loop back roll 8, annealing furnace toe-out force control device 9, forward pull roller 10, annealing furnace 11, lehr roller 12, annealing furnace Tenslator 13, Precise asymptotics 15, shear tension roller 16, shearing rollgang 17, cutter 18, is cut backward pull roller 14 Cut electromagnetic mechanical hand 19, heated transportation roller-way 20, heating furnace 21, press machine 22, punching press rollgang 23, punching press electromagnetic type machine Tool hand 24, collecting box 25.
Specific implementation mode
Embodiment 1
A kind of cold rolling super-high strength steel short route production and processing technology includes mainly:Supplied materials hot-strip, pickling, rolling, heat Processing, punching press quenching, finishing, finished product semi-finished product, are as follows:
(1) supplied materials hot-strip carries out cold rolling, the cold rolling after overpickling etc. rolls preceding process processing It is rolled for fully continuous type cold rolling or reversible cold-rolling;
(2) after being rolled down to desired size, heat treatment and deformation and fades change integrated treatment are carried out, the heat treatment in the step includes Three phases, respectively preheating section, bringing-up section, soaking zone;Strip is heated to 150 DEG C by preheating section from room temperature;Bringing-up section continues Strip is heated to 700 DEG C of temperature or more;Strip is maintained bringing-up section temperature by soaking zone, and keeps the temperature 3min;The deformation phase Become integrated treatment and refer to strip during heat treatment, tension force is carried out in 3.0kg/mm to strip2, make strip in deformation phase Become under comprehensive function, further increases structure property and comprehensive mechanical property;
(3) strip is thermally treated with after deformation and fades change integrated treatment, and into kink, rolling speed is adapted to by adjusting kink amount The variation of degree and drawing velocity, mill speed 30m/s, drawing velocity 100mm/s can enter punching press after shearing scale Quenching technical requires according to punching press quenching technical, determines cooling system;It is exactly speed that the punching press quenching technical front end, which is provided with, Sensor is spent, ensures that the speed of service of strip and drawing velocity match;The punching press quenching is using in punching press quenching mould Portion's water-cooling process;
(4) after the completion of punching press, super-high strength steel just obtains stamping parts finished product or semi-finished product after finishing.
To realize that above-mentioned cold rolling super-high strength steel short route production and processing technology, a kind of cold rolling super-high strength steel of the present invention are short Before flow manufacturing and processing equipment includes mainly tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace Tenslator, annealing furnace, annealing furnace post-tensioning force control device, Precise asymptotics, shearing toe-out force control device, shearing are defeated Send roller-way, cutter, shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand, heated transportation roller-way, heating furnace, press machine, Punching press rollgang and collecting box.
Wherein, tandem mills are the prior art, and manufacturer is Beijing Yang Wang profit new sciences and technologies Co., Ltd, model YW-WLZ1450;Degreasing plant is the prior art, and U.S. steel joins continuous annealing production line degreasing process;Looping tower is the prior art, Line vertical loop tower moves back for what the real metallurgical equipment Manufacturing Co., Ltd of Wuhan ten thousand connected in manufacturer;Annealing furnace is the prior art, raw Produce the vertical continuous annealing furnace that producer is Si Tanyin stoves company of France;Precise asymptotics are the prior art, and manufacturer is Wuxi 650 reversible four-roller finishing machines of triumphant suitable metallurgical machinery Manufacturing Co., Ltd;Cutter is the prior art, and manufacturer is Foshan City The rich FWFJ-QZD-1600 flying shearing machine for automated machine equipment Co., Ltd;Shearing electromagnetic mechanical hand is the prior art, raw Produce the loading and unloading robot HY6-A10 that producer is permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou;Heating furnace is the prior art, factory Family is the stepped billet heating furnace of Nianda Furnace Science and Technology Co., Ltd., Nanjing;Press machine is the prior art, and manufacturer is Ji The J23 series open-type inclinable presses of southern two lathe Group Co., Ltd;Punching press electromagnetic mechanical hand is the prior art, factory Family is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou.
Above-mentioned each component part is that a line is arranged in workshop, completely long 50m;Tandem mills 1 are five Rack tandem rolling, each rack 2 are spaced 2m arrangements;Degreasing plant entrance frame 3 is rigid body frame structure, if there are two carrying roller 4, another The axis direction of carrying roller 5 is mutually parallel, and parallel with horizontal plane, the carrying roller and tandem mills of degreasing plant entrance frame The last one rack be connected, another carrying roller of degreasing plant entrance frame is connected with the degreasing plant;Strip 6 divides Not Chuan Guo degreasing plant the two is connected with the connection roller of 7 bottom of looping tower, multiple kinks are provided in the looping tower Roller 8, the last one loop back roll are connected by strip with annealing furnace toe-out force control device 9;Annealing furnace forward pull controls Device is made of two forward pull rollers 10, and two forward pull rollers are in different height and front and back position relative to ground, strip according to It is secondary to pass through two forward pull rollers, it is in " S " type;Forward pull roller positioned at position rearward is connected with annealing furnace 11, the annealing Stove is divided into preheating section, bringing-up section, soaking zone, is both provided with lehr roller 12 in top and bottom in annealing furnace, strip can be successively Across lehr roller, and it is coated on the outside of each lehr roller;Annealing furnace post-tensioning force control device 13 and annealing furnace forward pull Control device structure is identical, is made of two backward pull rollers 14, is connected with annealing furnace positioned at the backward pull roller by front position, band Steel sequentially passes through the roll in the backward pull roller Yu the Precise asymptotics 15 of position rearward, and the two is connected;Strip It is connected with the shear tension roller in shearing toe-out force control device after the roll in Precise asymptotics, the shearing toe-out Force control device is made of four shear tension rollers 16, and the axis of four shear tension rollers is mutually parallel, four axis endpoints Line forms " inverted trapezoidal " structure, and strip sequentially passes through four shear tension rollers, and is connected with the shearing rollgang 17 at rear It connects, shearing rollgang length is 5m, and the top for shearing rollgang is equipped with cutter 18;In shearing rollgang end 0.5m Place is provided with shearing electromagnetic mechanical hand 19, and shearing electromagnetic and mechanical hand rear portion, distance is sheared to be provided at electromagnetic and mechanical hand 0.5m Heated transportation roller-way 20, heated transportation roller-way are located at same level height, the length of heated transportation roller-way with shearing rollgang For 10m, heated transportation roller way middle part is provided with heating furnace 21, and heated transportation roller-way end is provided with press machine 22, after press machine Portion is provided with punching press rollgang 23 at press machine 0.5m;Punching press rollgang and heated transportation roller-way, shearing conveying roller Road is located at same level height, and the length of punching press rollgang is 5m;Punching press rollgang end, apart from punching press rollgang end It holds and is equipped with punching press electromagnetic mechanical hand 24 at 0.5m, the punching press electromagnetic mechanical hand end is provided with collecting box 25;It is described Collecting box be upper opening square box, stamping products fall to inside collecting box in process of production.
Further, the mm finishing mill unit is 4-roller cold rolling mill or six-roll cold mill.
Further, the preheating section, bringing-up section, be disposed with heat radiation tube inside soaking zone.
Further, the preheating section, bringing-up section, protective gas formed by hydrogen and nitrogen inside soaking zone.
Further, it is provided with velocity sensor between the cutter and press machine, is set inside the press machine It is equipped with water cooling mold.
Further, the shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand are by rotary type hydraulic platform and electromagnetism Sucker forms, and the magnechuck is located at arm end.
Embodiment 2
A kind of cold rolling super-high strength steel short route production and processing technology, is as follows:
(1) supplied materials hot-strip carries out cold rolling, the cold rolling after overpickling etc. rolls preceding process processing It is rolled for fully continuous type cold rolling or reversible cold-rolling;
(2) after being rolled down to desired size, heat treatment and deformation and fades change integrated treatment are carried out, the heat treatment in the step includes Three phases, respectively preheating section, bringing-up section, soaking zone;Strip is heated to 200 DEG C by preheating section from room temperature;Bringing-up section continues Strip is heated to 950 DEG C of temperature or more;Strip is maintained bringing-up section temperature by soaking zone, and keeps the temperature 5min;The deformation phase Become integrated treatment and refer to strip during heat treatment, tension force is carried out in 5.0kg/mm to strip2, make strip in deformation phase Become under comprehensive function, further increases structure property and comprehensive mechanical property;
(3) strip is thermally treated with after deformation and fades change integrated treatment, and into kink, rolling speed is adapted to by adjusting kink amount The variation of degree and drawing velocity, mill speed 50m/s, drawing velocity 100mm/s can enter punching press after shearing scale Quenching technical requires according to punching press quenching technical, determines cooling system;It is exactly speed that the punching press quenching technical front end, which is provided with, Sensor is spent, ensures that the speed of service of strip and drawing velocity match;The punching press quenching is using in punching press quenching mould Portion's water-cooling process;
(4) after the completion of punching press, super-high strength steel just obtains stamping parts finished product or semi-finished product after finishing.
To realize that above-mentioned cold rolling super-high strength steel short route production and processing technology, a kind of cold rolling super-high strength steel of the present invention are short Before flow manufacturing and processing equipment includes mainly tandem mills, degreasing plant entrance frame and degreasing plant, looping tower, annealing furnace Tenslator, annealing furnace, annealing furnace post-tensioning force control device, Precise asymptotics, shearing toe-out force control device, shearing are defeated Send roller-way, cutter, shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand, heated transportation roller-way, heating furnace, press machine, Punching press rollgang and collecting box.
Wherein, tandem mills are the prior art, and manufacturer is Beijing Yang Wang profit new sciences and technologies Co., Ltd, model YW-WLZ1450;Degreasing plant is the prior art, and U.S. steel joins continuous annealing production line degreasing process;Looping tower is the prior art, Line vertical loop tower moves back for what the real metallurgical equipment Manufacturing Co., Ltd of Wuhan ten thousand connected in manufacturer;Annealing furnace is the prior art, raw Produce the vertical continuous annealing furnace that producer is Si Tanyin stoves company of France;Precise asymptotics are the prior art, and manufacturer is Wuxi 650 reversible four-roller finishing machines of triumphant suitable metallurgical machinery Manufacturing Co., Ltd;Cutter is the prior art, and manufacturer is Foshan City The rich FWFJ-QZD-1600 flying shearing machine for automated machine equipment Co., Ltd;Shearing electromagnetic mechanical hand is the prior art, raw Produce the loading and unloading robot HY6-A10 that producer is permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou;Heating furnace is the prior art, factory Family is the stepped billet heating furnace of Nianda Furnace Science and Technology Co., Ltd., Nanjing;Press machine is the prior art, and manufacturer is Ji The J23 series open-type inclinable presses of southern two lathe Group Co., Ltd;Punching press electromagnetic mechanical hand is the prior art, factory Family is the loading and unloading robot HY6-A10 of permanent hundred million Machinery Manufacturing Co., Ltd.s in Guangzhou.
Above-mentioned each component part is that a line is arranged in workshop, completely long 100m;Tandem mills 1 are five Rack tandem rolling, each rack 2 are spaced 3m arrangements;Degreasing plant entrance frame 3 is rigid body frame structure, if there are two carrying roller 4, another The axis direction of carrying roller 5 is mutually parallel, and parallel with horizontal plane, the carrying roller and tandem mills of degreasing plant entrance frame The last one rack be connected, another carrying roller of degreasing plant entrance frame is connected with the degreasing plant;Strip 6 divides Not Chuan Guo degreasing plant the two is connected with the connection roller of 7 bottom of looping tower, multiple kinks are provided in the looping tower Roller 8, the last one loop back roll are connected by strip with annealing furnace toe-out force control device 9;Annealing furnace forward pull controls Device is made of two forward pull rollers 10, and two forward pull rollers are in different height and front and back position relative to ground, strip according to It is secondary to pass through two forward pull rollers, it is in " S " type;Forward pull roller positioned at position rearward is connected with annealing furnace 11, the annealing Stove is divided into preheating section, bringing-up section, soaking zone, is both provided with lehr roller 12 in top and bottom in annealing furnace, strip can be successively Across lehr roller, and it is coated on the outside of each lehr roller;Annealing furnace post-tensioning force control device 13 and annealing furnace forward pull Control device structure is identical, is made of two backward pull rollers 14, is connected with annealing furnace positioned at the backward pull roller by front position, band Steel sequentially passes through the roll in the backward pull roller Yu the Precise asymptotics 15 of position rearward, and the two is connected;Strip It is connected with the shear tension roller in shearing toe-out force control device after the roll in Precise asymptotics, the shearing toe-out Force control device is made of four shear tension rollers 16, and the axis of four shear tension rollers is mutually parallel, four axis endpoints Line forms " inverted trapezoidal " structure, and strip sequentially passes through four shear tension rollers, and is connected with the shearing rollgang 17 at rear It connects, shearing rollgang length is 10m, and the top for shearing rollgang is equipped with cutter 18;In shearing rollgang end Shearing electromagnetic mechanical hand 19 is provided at 1.0m, shearing electromagnetic and mechanical hand rear portion, distance is sheared to be set at electromagnetic and mechanical hand 1.0m It is equipped with heated transportation roller-way 20, heated transportation roller-way is located at same level height with shearing rollgang, heated transportation roller-way Length is 15m, and heated transportation roller way middle part is provided with heating furnace 21, and heated transportation roller-way end is provided with press machine 22, punching press Machine rear portion is provided with punching press rollgang 23 at press machine 1.0m;Punching press rollgang and heated transportation roller-way, shearing are defeated Roller-way is sent to be located at same level height, the length of punching press rollgang is 10m;Punching press rollgang end is conveyed apart from punching press Punching press electromagnetic mechanical hand 24 is equipped at the 1.0m of roller-way end, the punching press electromagnetic mechanical hand end is provided with collecting box 25;The collecting box is the square box of upper opening, and stamping products are fallen to inside collecting box in process of production.
Further, the mm finishing mill unit is 4-roller cold rolling mill or six-roll cold mill.
Further, the preheating section, bringing-up section, be disposed with heat radiation tube inside soaking zone.
Further, the preheating section, bringing-up section, protective gas formed by hydrogen and nitrogen inside soaking zone.
Further, it is provided with velocity sensor between the cutter and press machine, is set inside the press machine It is equipped with water cooling mold.
Further, the shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand are by rotary type hydraulic platform and electromagnetism Sucker forms, and the magnechuck is located at arm end.

Claims (7)

1. a kind of cold rolling super-high strength steel short route production and processing technology, it is characterised in that:It is as follows (1) supplied materials hot-rolled strip Steel carries out cold rolling after overpickling rolls preceding process processing, and the cold rolling is fully continuous type cold rolling or can Inverse formula cold rolling;(2) after being rolled down to desired size, heat treatment and deformation and fades change integrated treatment are carried out, at the heat in the step Reason includes three phases, respectively preheating section, bringing-up section, soaking zone;Strip is heated to 150 DEG C~200 by preheating section from room temperature ℃;Bringing-up section continues strip being heated to 700 DEG C~950 DEG C temperature or more;Strip is maintained bringing-up section temperature by soaking zone, and is protected Warm 3min~5min;The deformation and fades change integrated treatment refers to strip during heat treatment, and tension force is carried out to strip In 3.0kg/mm2~5.0kg/mm2, make strip under deformation and fades change comprehensive function, further increase structure property and comprehensive mechanics Performance;(3) strip is thermally treated with after deformation and fades change integrated treatment, into backward pull roller, adapts to roll by adjusting kink amount The variation of speed and drawing velocity, mill speed are 30m/s~50m/s, drawing velocity 100mm/s, after shearing scale i.e. Punching press quenching technical can be entered, required according to punching press quenching technical, determine cooling system;The punching press quenching technical front end is set It is equipped with velocity sensor, ensures that the speed of service of strip and drawing velocity match;The punching press quenching is quenched using punching press Mould inside water-cooling process;
(4) after the completion of punching press, super-high strength steel just obtains stamping parts finished product or semi-finished product after finishing.
2. it is a kind of using a kind of equipment of cold rolling super-high strength steel short route production and processing technology described in claim 1, i.e., it is a kind of Cold rolling super-high strength steel short route manufacturing and processing equipment, it is main including including mainly tandem mills, degreasing plant entrance frame and taking off Fat device, looping tower, annealing furnace toe-out force control device, annealing furnace, annealing furnace post-tensioning force control device, Precise asymptotics, It shears toe-out force control device, shearing rollgang, cutter, shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand, add Heated conveying roller-way, heating furnace, press machine, punching press rollgang and collecting box, it is characterised in that:Above-mentioned each component part It is that a line is arranged in workshop, the long 50m~100m in all fronts;Tandem mills be five rack tandem rollings, each bay interval 2m~ 3m is arranged;Degreasing plant entrance frame is rigid body frame structure, if there are two carrying roller, the axis direction of two carrying rollers is mutually parallel, And it is parallel with horizontal plane, a carrying roller of degreasing plant entrance frame is connected with the last one rack of tandem mills, takes off Another carrying roller of fat device portal frame is connected with the degreasing plant;Strip is each passed through degreasing plant and looping tower bottom The two is connected by the connection roller in portion, and multiple loop back rolls are provided in the looping tower, the last one loop back roll passes through strip It is connected with annealing furnace toe-out force control device;Annealing furnace toe-out force control device is by two forward pull roller groups at two Forward pull roller is in different height and front and back position relative to ground, and strip sequentially passes through two forward pull rollers, is in " S " type;Position Forward pull roller in position rearward is connected with annealing furnace, and the annealing furnace is divided into preheating section, bringing-up section, soaking zone, annealing It is both provided with lehr roller in top and bottom in stove, strip is coated in turn through lehr roller outside each lehr roller Side;Annealing furnace post-tensioning force control device is identical as annealing furnace toe-out force control device structure, by two backward pull roller groups at, Be connected with annealing furnace positioned at the backward pull roller by front position, strip sequentially pass through positioned at the backward pull roller of position rearward with it is described Roll in Precise asymptotics, and the two is connected;Strip fills after passing through the roll in Precise asymptotics with shearing forward pull control Shear tension roller in setting is connected, and the shearing toe-out force control device is by four shear tension roller groups at four shearings The axis of jockey pulley is mutually parallel, and the line of four axis endpoints forms " inverted trapezoidal " structure, and strip sequentially passes through four shearings Jockey pulley, and be connected with the shearing rollgang at rear, shearing rollgang length is 5m~10m, shears rollgang Top is equipped with cutter;It is provided with shearing electromagnetic mechanical hand at shearing rollgang end 0.5m~1.0m, shears electromagnetism Manipulator rear portion, is provided with heated transportation roller-way at distance shearing electromagnetic and mechanical hand 0.5m~1.0m, heated transportation roller-way with cut It cuts rollgang and is located at same level height, the length of heated transportation roller-way is 10m~15m, the setting of heated transportation roller way middle part There are heating furnace, heated transportation roller-way end to be provided with press machine, press machine rear portion is provided at press machine 0.5m~1.0m Punching press rollgang;Punching press rollgang is located at same level height, punching press conveying with heated transportation roller-way, shearing rollgang The length of roller-way is 5m~10m;Punching press rollgang end is equipped with punching press at punching press rollgang end 0.5m~1.0m Electromagnetic mechanical hand, the punching press electromagnetic mechanical hand end are provided with collecting box;The collecting box is the side of upper opening Shape babinet, stamping products are fallen to inside collecting box in process of production.
3. a kind of equipment of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, it is characterised in that:Institute The Precise asymptotics stated are 4-roller cold rolling mill or six-roll cold mill.
4. a kind of equipment of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, it is characterised in that:Institute The preheating section stated, bringing-up section are disposed with heat radiation tube inside soaking zone.
5. a kind of equipment of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, it is characterised in that:Institute The preheating section stated, bringing-up section by hydrogen and nitrogen form protective gas inside soaking zone.
6. a kind of equipment of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, it is characterised in that:Institute Velocity sensor is provided between the cutter and press machine stated, the press machine is internally provided with water cooling mold.
7. a kind of equipment of cold rolling super-high strength steel short route production and processing technology as claimed in claim 2, it is characterised in that:Institute The shearing electromagnetic mechanical hand and punching press electromagnetic mechanical hand stated are made of rotary type hydraulic platform and magnechuck, the electromagnetism Sucker is located at arm end.
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CN105956261B (en) * 2016-04-29 2018-10-16 燕山大学 Using quality control as the tension comprehensive matching method of target in strip shear history
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04231102A (en) * 1990-12-28 1992-08-20 Daido Steel Co Ltd Manufacture of material for ic lead frame
CN1083541A (en) * 1992-06-23 1994-03-09 凯泽铝和化学公司 A kind of method of production can body sheet
CN1537683A (en) * 2003-04-15 2004-10-20 彼德・施托尔菲希 Method and equipment for manufacturing shaped plate parts
CN101096736A (en) * 2006-06-27 2008-01-02 鞍钢股份有限公司 Clean steel and manufacturing method
CN204503752U (en) * 2014-12-23 2015-07-29 宝钢工程技术集团有限公司 Torrid zone continuous casting and rolling Heat treating machine set

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04231102A (en) * 1990-12-28 1992-08-20 Daido Steel Co Ltd Manufacture of material for ic lead frame
CN1083541A (en) * 1992-06-23 1994-03-09 凯泽铝和化学公司 A kind of method of production can body sheet
CN1537683A (en) * 2003-04-15 2004-10-20 彼德・施托尔菲希 Method and equipment for manufacturing shaped plate parts
CN101096736A (en) * 2006-06-27 2008-01-02 鞍钢股份有限公司 Clean steel and manufacturing method
CN204503752U (en) * 2014-12-23 2015-07-29 宝钢工程技术集团有限公司 Torrid zone continuous casting and rolling Heat treating machine set

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
先进短流程-深加工新技术与高强塑性汽车构件的开发;干勇等;《轧钢》;20150831;第32卷(第4期);1-11 *

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