CN110541069B - Online solid solution heat treatment device of high performance copper alloy strip - Google Patents
Online solid solution heat treatment device of high performance copper alloy strip Download PDFInfo
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- CN110541069B CN110541069B CN201910939958.XA CN201910939958A CN110541069B CN 110541069 B CN110541069 B CN 110541069B CN 201910939958 A CN201910939958 A CN 201910939958A CN 110541069 B CN110541069 B CN 110541069B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 107
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 71
- 239000006104 solid solution Substances 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 73
- 238000010008 shearing Methods 0.000 claims abstract description 50
- 239000000243 solution Substances 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 238000002161 passivation Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 claims abstract description 15
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 40
- 230000001360 synchronised effect Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 3
- 238000009795 derivation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 18
- 238000011112 process operation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
A high-performance copper alloy strip online solid solution heat treatment device comprises an uncoiler, a furnace front shearing device, an alloy strip welding device, a furnace front S roller device, a preheating furnace, a heating and heat-preserving furnace, a cooling furnace, a furnace rear S roller device, a passivation flushing device, a drying device, a furnace rear shearing device and a coiling machine; by the device, the copper alloy strip is unfolded from the coiled material into the strip to be subjected to the process operations of heating, heat preservation, air cooling, plate shape correction and the like, so that the continuous online solid solution treatment of the copper alloy strip is realized; the device has the advantages of preventing the surface of the copper alloy strip from being scratched and the surface of the strip from being oxidized, along with small residual internal stress and flat plate shape of a finished product, and meanwhile, the finished product of the copper alloy strip after the solution treatment by the device has extremely high mechanical performance and consistency.
Description
Technical Field
The invention relates to the technical field of high-performance copper alloy strip online solution heat treatment equipment, in particular to a high-performance copper alloy strip online solution heat treatment device.
Background
At present, the solution heat treatment of the copper alloy strip is mainly carried out in a way that a copper strip coiled material is heated and insulated in a pit furnace or a bell-type furnace device and then is lifted out of a quenching tank device for water-cooling quenching; solution treatment of copper alloy strip in this manner has a number of drawbacks: firstly, scratching the surface: the copper alloy strip is subjected to solution treatment by adopting a pit furnace or a bell-type furnace, repeated hoisting is needed, and relative sliding can occur between layers of copper strip coiled materials in the hoisting process, so that the surface of the copper alloy strip is scratched; secondly, oxidation exists on the surface: the copper strip coiled material is heated by adopting a pit furnace or a bell-type furnace, the copper strip coiled material is lifted out of the pit furnace or the bell-type furnace and exposed in the air during quenching, and the quenching is carried out in water, so that the surface of the copper alloy strip is oxidized in the process, and the subsequent pickling and passivation treatment is required, thereby not only increasing the production cost, but also causing serious environmental pollution; thirdly, existence of internal stress: the copper alloy strip is subjected to solution treatment by adopting a pit furnace or a bell-type furnace, a copper strip coiled material is in a coil shape, and the interior stress generated during quenching cannot be completely released, so that the copper alloy strip has larger internal stress after solution treatment, and when the copper alloy strip with the larger internal stress is used for stamping production of precision parts such as lead frames and the like, the lead frames have larger distortion deformation, so that the lead frames cannot be normally used; fourthly, the mechanical property is poor: the copper alloy strip is subjected to solution treatment by adopting a pit furnace or a bell-type furnace, the internal and external heating and heat preservation time of the copper strip coiled material is inconsistent during heating, the internal and external cooling speed of the copper strip coiled material is inconsistent during quenching, and the cooling time is longer, so that the high-performance copper alloy strip cannot be obtained.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a high-performance copper alloy strip online solution heat treatment device, which comprises an uncoiler, a furnace front shearing device, an alloy strip welding device, a furnace front S roller device, a preheating furnace, a heating and heat-preserving furnace, a cooling furnace, a furnace rear S roller device, a passivation flushing device, a drying device, a furnace rear shearing device and a coiling machine; by the device, the solid solution treatment of the copper alloy strip is unfolded into a strip shape from the original coil shape, and continuous online solid solution heat treatment is carried out; the continuous on-line solution heat treatment has the following advantages: the on-line solid solution heat treatment device adopts a synchronous roller sealing door and a rolling synchronous tensioning wheel device, so that the feeding speed of the copper alloy strip is ensured to be synchronous with the rotating speeds of the synchronous roller sealing door and the rolling synchronous tensioning wheel, and the surface scratches and the rolling tightness degree of the copper alloy strip are prevented from being inconsistent; secondly, reducing gas protection is adopted in the solution heat treatment process to carry out reduction brightening treatment on the surface of the copper alloy strip, so that the oxidation of the surface of the strip is prevented; thirdly, carrying out solution heat treatment in a belt-shaped mode, heating the belt material in sections, gradually raising the temperature, and keeping the temperature uniform, wherein the surface of the belt material is in a free state during cooling treatment, so that the residual internal stress after treatment is small; fourthly, correcting the plate shape of the copper alloy strip by adopting an S roller device in front of the furnace, a plurality of groups of clamping rollers in the middle and an S roller device behind the furnace in the online solution heat treatment device to enable the plate shape of a finished copper alloy strip to be flat; and fifthly, the gas containing hydrogen is adopted for cooling, and the cooling speed is high, and the cooling is uniform, so that the finished copper alloy strip has extremely high mechanical properties and consistency.
In order to realize the purpose, the invention adopts the following technical scheme: a high-performance copper alloy strip online solid solution heat treatment device comprises an uncoiler, a furnace front shearing device, an alloy strip welding device, a furnace front S roller device, a preheating furnace, a heating and heat-preserving furnace, a cooling furnace, a furnace rear S roller device, a passivation flushing device, a drying device, a furnace rear shearing device and a coiling machine, wherein the devices are sequentially fixedly arranged from right to left in an aligned mode according to the center line of the devices; the device comprises an uncoiler, an alloy strip welding device, a furnace front S roller device, a preheating furnace, a cooling furnace and a furnace rear S roller device, a furnace rear S roller device and a passivation flushing device, a passivation flushing device and a drying device, a drying device and a furnace rear shearing device, a furnace rear shearing device and a coiling machine which are arranged in a separated mode, and fixed distances are arranged between the uncoiler and the furnace front shearing device, between the alloy strip welding device and the furnace front S roller device, between the furnace front S roller device and the preheating furnace, between the cooling furnace and the furnace rear; the furnace front shearing device is fixedly connected with the alloy strip welding device through a base; the preheating furnace, the heating and heat-preserving furnace and the cooling furnace are fixedly and hermetically connected; the uncoiler is rotatably provided with a compression roller, and the compression roller is coaxially provided with an encoder.
Further, the stokehole shearing device comprises a head end traction roller and a head end hydraulic shear; the head end traction roller is fixedly arranged on the right side of the head end hydraulic shear and is fixedly connected with the head end hydraulic shear through the shear rack; the head end traction roller comprises a head end lower traction roller, a head end upper traction roller and a head end traction roller bracket, and the upper traction roller and the lower traction roller are connected through the head end traction roller bracket; the lower head end traction roller is fixedly arranged at the lower part of the lower head end traction roller bracket and is fixedly connected with a driving servo motor, and the rotating speed of the driving servo motor is controlled by an encoder output signal coaxially arranged with a compression roller, so that the linear speed of the lower head end traction roller is ensured to be the same as the release speed of a copper strip coiled material arranged on an uncoiler; the upper drawing roll at the head end is movably arranged at the upper part of the drawing roll bracket at the head end and slides up and down along the drawing roll bracket at the head end, so that the belt threading work before production is facilitated, and meanwhile, the pressure between the upper drawing roll and the lower drawing roll is adjustable and is used for correcting the plate type of the copper alloy belt material; one end of the first-end traction roller support is connected with the horizontal hinge of the shearing machine frame, and the other end of the first-end traction roller support is vertically and movably connected with the shearing machine frame through the screw nut pair, so that pitching adjustment of the first-end traction roller is achieved, and the first-end traction roller support is used for adjusting centering in the feeding process of the copper alloy strip.
Further, the furnace front S roller device comprises a furnace front S roller centering detection device, a guide-in roller, an S roller, a tension roller, a guide-out roller, a tension roller lever and a tension roller counterweight block; the furnace front S roller centering detection device and the guide roller are fixedly arranged at the right end of the furnace front S roller device, and the guide roller is fixedly arranged at the left end of the furnace front S roller device; the device for detecting the alignment of the S roller in the front of the furnace detects the alignment offset of the copper alloy strip by adopting a photoelectric detection method, is used for controlling the pitching angle of the traction roller bracket at the head end, and realizes the automatic alignment of the copper alloy strip in the feeding process; the S rollers are arranged in an up-down mode; the tension roller is movably arranged between the guide-out roller and the S roller and is fixedly connected with one end of a tension roller lever, and the tension roller lever is hinged with the S roller frame; the other end of the tension roller lever is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a lead screw, and a counterweight block of the tension roller is movably connected with the lead screw and slides along the tension roller lever to adjust the tension force of the tension roller.
Furthermore, the preheating furnace comprises a preheating furnace body, an inlet end sealing door, an inlet end corona generator, an inlet end explosion-proof membrane and a tail gas discharge port; the inlet end sealing door is a synchronous roller sealing structure and comprises an inlet end lower roller seal fixedly arranged at the lower part and an inlet end upper roller seal movably arranged at the upper part, the inlet end lower roller seal is connected with a driving servo motor, the rotating speed of the driving servo motor is controlled by an encoder output signal coaxially arranged by a compression roller, and the linear speed of the inlet end lower roller seal is ensured to be the same as the release speed of a copper strip coiled material arranged on an uncoiler; the inlet end sealing door is fixedly arranged at the right end of the preheating furnace body; the inlet end corona generator is fixedly arranged in the preheating furnace body and close to the inlet end sealing door, the inlet end corona generator generates corona discharge to form high temperature of 700-800 ℃, when air enters the inlet end sealing door, oxygen in the air and hydrogen in the preheating furnace are mixed and combusted at the inlet end corona generator, and the preheating furnace is prevented from being exploded due to the entering of the air; the inlet end explosion-proof membrane is fixedly arranged at the top of the preheating furnace body and is positioned above the inlet end corona generator, when the preheating furnace is exploded due to excessive air entering, the pressure generated by explosion enables the inlet end explosion-proof membrane to be broken, instantaneous high pressure generated by explosion is released, and the preheating furnace body is prevented from being damaged by the explosion pressure; the tail gas discharge port is arranged at the top of the preheating furnace body and close to the inlet end corona generator, and the tail gas discharge port is provided with an electric spark igniter for igniting and burning the nitrogen-hydrogen mixed gas discharged through the tail gas discharge port.
Furthermore, the heating and heat-preserving furnace comprises a heating and heat-preserving furnace body, a resistance heating belt, a temperature sensor and a heating observation window; the heating and heat-preserving furnace body is a muffle pipe, and is fixedly connected with the inner wall and provided with refractory fiber cotton, and is fixedly connected with the refractory fiber cotton and provided with light refractory bricks; the resistance heating zones are fixedly arranged in the heating and heat-preserving furnace body and arranged along the length direction of the heating and heat-preserving furnace body, and three resistance heating zones are fixedly arranged on two side walls and the bottom of the heating and heat-preserving furnace body respectively to ensure that the heated furnace section is uniform in temperature; the plurality of temperature sensors are fixedly arranged at the top in the heating and heat-preserving furnace body, arranged along the length direction of the heating and heat-preserving furnace body and used for detecting the temperature of each furnace section; the heating observation windows are fixedly arranged on furnace walls on two sides of the heating and heat-preserving furnace body and are used for observing the condition of the copper alloy strip in the heating and heat-preserving furnace; and a plurality of graphite carrier rollers are also arranged in the heating and heat-preserving furnace, so that the copper alloy strip is prevented from sagging and being in contact with the furnace bottom to generate scratches.
Further, the cooling furnace comprises a cooling furnace body, an air cooler, an air knife, an outlet end sealing door, an outlet end corona generator, an outlet end explosion-proof film, a cooling observation window and a return air pipe; the air coolers are fixedly arranged at the upper part of the outer side of the cooling furnace body and are provided with a plurality of air coolers, and the air transmission quantity of each air cooler is independently controllable; the air cooler is connected with a plurality of air knives which are fixedly arranged inside the cooling furnace body in an up-down symmetrical mode and are arranged along the length direction of the cooling furnace body, and cooling protective gas conveyed by the air cooler is blown out through air outlets of the air knives and is used for cooling the copper alloy strip; the width of an air outlet of the air knife is gradually narrowed along the feeding direction of the copper alloy strip, the width of the air outlet close to the heating holding furnace is widest, the air outlet volume is largest, the cooling speed of the copper alloy strip is ensured, the width of the air outlet far away from the heating holding furnace is smallest, and the consumption of cooling protective gas is reduced while the copper alloy strip is ensured to be continuously cooled; the outlet end sealing door is a synchronous roller sealing structure and comprises an outlet end lower roller seal fixedly arranged at the lower part and an outlet end upper roller seal movably arranged at the upper part, the outlet end lower roller seal is connected with a driving servo motor, the rotating speed of the driving servo motor is controlled by an encoder output signal coaxially arranged by a compression roller, and the linear speed of the outlet end lower roller seal is ensured to be the same as the release speed of a copper strip coiled material arranged on an uncoiler; the outlet end sealing door is fixedly arranged at the left end of the cooling furnace body; the outlet end corona generator is fixedly arranged in the cooling furnace body and close to the outlet end sealing door, the outlet end corona generator generates corona discharge to form high temperature of 700-800 ℃, when air enters the outlet end sealing door, oxygen in the air and hydrogen in the cooling furnace are mixed and combusted at the inlet end corona generator, and the cooling furnace is prevented from exploding due to the entering of the air; the outlet end explosion-proof film is fixedly arranged at the top of the cooling furnace body and is positioned above the outlet end corona generator, when the explosion happens due to too much air entering the cooling furnace, the pressure generated by the explosion breaks the outlet end explosion-proof film, the instantaneous high pressure generated by the explosion is released, and the explosion pressure is prevented from damaging the cooling furnace body; the cooling observation windows are fixedly arranged on the furnace walls at two sides of the cooling furnace body; the air return pipe is fixedly arranged at the top of the cooling furnace body.
Further, a furnace rear S roller centering detection device is fixedly arranged on the furnace rear S roller device, and the furnace rear S roller centering detection device detects the centering offset of the copper alloy strip by adopting a photoelectric detection method.
Further, the furnace rear shearing device comprises a tail end hydraulic shear and a tail end traction roller; the tail end traction roller is fixedly arranged on the left side of the tail end hydraulic shear and is fixedly connected with the tail end hydraulic shear through the shear rack; the tail end traction roller comprises a tail end lower traction roller, a tail end upper traction roller and a tail end traction roller bracket, and the upper traction roller and the lower traction roller are connected through the tail end traction roller bracket; the tail end lower traction roller is fixedly arranged at the lower part of the tail end traction roller bracket and is fixedly connected with a driving servo motor, the rotating speed of the driving servo motor is controlled by an output signal of an encoder coaxially arranged with a compression roller, and the linear speed of the sealing of the outlet end lower roller shaft is ensured to be the same as the release speed of a copper strip coiled material arranged on an uncoiler; the upper drawing roll at the tail end is movably arranged at the upper part of the bracket of the tail end drawing roll and slides up and down along the bracket of the tail end drawing roll, so that the threading work before production is facilitated, and meanwhile, the pressure between the upper drawing roll and the lower drawing roll is adjustable and is used for correcting the plate shape of the copper alloy strip; one end of the tail end traction roller bracket is horizontally hinged with the shearing machine frame, and the other end of the tail end traction roller bracket is vertically and movably connected with the shearing machine frame through a screw rod nut pair, so that the pitching adjustment of the tail end traction roller is realized; the pitching adjustment of the tail end traction roller is controlled by an output signal of the post-furnace S roller centering detection device, the pitching angle of the tail end traction roller is automatically adjusted, and the centering of the copper alloy strip in the feeding process is guaranteed all the time.
Further, a winding centering detection device and a winding synchronous tensioning wheel device are fixedly arranged on the winding machine; the winding drum of the winding machine is provided with an automatic deviation rectifying mechanism, the winding drum can move along the axis, and the movement of the winding drum along the axis is controlled by an output signal of the winding centering detection device, so that the copper alloy strip is ensured to be wound neatly; a tensioning wheel is movably arranged on the rolling synchronous tensioning wheel device, the tensioning wheel can slide up and down on the rolling synchronous tensioning wheel device, and the tensioning force of the tensioning wheel is provided by a balancing weight; a tension wheel position sensor is further arranged on the winding synchronous tension wheel device, and the tension wheel position sensor outputs signals to control the rotating speed of a winding drum of the winding machine, so that the material receiving speed is controlled.
Furthermore, the online solid solution heat treatment device also comprises an electric appliance control system and a hydraulic system; the electric appliance control system is electrically connected with each sensor, the driving part and the hydraulic system which are arranged on the high-performance copper alloy strip online solid solution heat treatment device; the hydraulic system is connected with a hydraulic execution component oil way arranged on the high-performance copper alloy strip online solution heat treatment device.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the invention discloses an online solid solution heat treatment device for a high-performance copper alloy strip, which comprises an uncoiler, a furnace front shearing device, an alloy strip welding device, a furnace front S roller device, a preheating furnace, a heating and heat-preserving furnace, a cooling furnace, a furnace rear S roller device, a passivation flushing device, a drying device, a furnace rear shearing device and a coiling machine, wherein the furnace front S roller device is arranged on the front of the uncoiler; by the device, the solid solution treatment of the copper alloy strip is unfolded into a strip shape from the original coil shape, and continuous online solid solution heat treatment is carried out; the continuous on-line solution heat treatment has the following advantages: the on-line solid solution heat treatment device adopts a synchronous roller sealing door and a rolling synchronous tensioning wheel device, so that the feeding speed of the copper alloy strip is ensured to be synchronous with the rotating speeds of the synchronous roller sealing door and the rolling synchronous tensioning wheel, and the surface scratches and the rolling tightness degree of the copper alloy strip are prevented from being inconsistent; secondly, reducing gas protection is adopted in the solution heat treatment process to carry out reduction brightening treatment on the surface of the copper alloy strip, so that the oxidation of the surface of the strip is prevented; thirdly, carrying out solution heat treatment in a belt-shaped mode, heating the belt material in sections, gradually raising the temperature, and keeping the temperature uniform, wherein the surface of the belt material is in a free state during cooling treatment, so that the residual internal stress after treatment is small; fourthly, correcting the plate shape of the copper alloy strip by adopting an S roller device in front of the furnace, a plurality of groups of clamping rollers in the middle and an S roller device behind the furnace in the online solution heat treatment device to enable the plate shape of a finished copper alloy strip to be flat; and fifthly, the gas containing hydrogen is adopted for cooling, and the cooling speed is high, and the cooling is uniform, so that the finished copper alloy strip has extremely high mechanical properties and consistency.
Drawings
FIG. 1 is a schematic structural view A of an on-line solution heat treatment device for a high-performance copper alloy strip;
FIG. 2 is a schematic structural view B of an on-line solution heat treatment device for a high-performance copper alloy strip;
FIG. 3 is a schematic structural view C of an on-line solution heat treatment device for high-performance copper alloy strips.
In the figure: 1. an uncoiler; 101. a compression roller; 2. A stokehole shearing device; 201. a head end pull roll; 2011. a head end lower pull roll; 2012. the head end is provided with a traction roller; 2013. a head end carry over pinch roll support; 202. hydraulic shears are arranged at the head end; 3. an alloy strip welding device; 301. welding a pressing table; 302. welding a length adjusting roller; 4. a stokehold S-roll device; 401. a furnace front S roller centering detection device; 402. a lead-in roller; 403. s roller; 404. a tension roller; 405. a delivery roller; 406. a tension roller lever; 407. a tension roller balancing weight; 5. preheating a furnace; 501. preheating a furnace body; 502. an inlet end sealing door; 5021. sealing the lower roller at the inlet end; 5022. the inlet end is sealed by a rolling shaft; 503. an inlet-end corona generator; 504. an inlet end rupture disk; 505. a tail gas discharge port; 6. heating a holding furnace; 601. heating the heat preservation furnace body; 602. a resistance heating zone; 604. A temperature sensor; 605. heating the observation window; 7. cooling the furnace; 701. cooling the furnace body; 702. an air cooler; 703. an air knife; 704. an outlet end sealing door; 7041. the lower roller at the outlet end is sealed; 7042. the roller at the outlet end is sealed; 705. an outlet end corona generator; 706. an outlet end explosion-proof membrane; 707. cooling the observation window; 708. a return air duct; 8. A furnace rear S-roll device; 801. the centering detection device of the S-roller device behind the furnace; 9. a passivation flushing device; 10. a drying device; 11. A furnace rear shearing device; 111. hydraulic shearing at the tail end; 112. a tail end traction roller; 1121. a tail end lower traction roller; 1122. a traction roller is arranged at the tail end; 1123. a tail end pull roll bracket; 12. a winding machine; 121. a winding centering detection device; 122. synchronous take-up pulley device of rolling.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
A high-performance copper alloy strip online solid solution heat treatment device comprises an uncoiler 1, a furnace front shearing device 2, an alloy strip welding device 3, a furnace front S roller device 4, a preheating furnace 5, a heating and heat-preserving furnace 6, a cooling furnace 7, a furnace rear S roller device 8, a passivation flushing device 9, a drying device 10, a furnace rear shearing device 11 and a coiling machine 12, wherein the devices are sequentially fixedly arranged from right to left in an aligned mode according to the center line of the devices; the device is characterized in that the device is arranged between the uncoiler 1 and the front shearing device 2, between the alloy strip welding device 3 and the front S roller device 4, between the front S roller device 4 and the preheating furnace 5, between the cooling furnace 7 and the rear S roller device 8, between the rear S roller device 8 and the passivation flushing device 9, between the passivation flushing device 9 and the drying device 10, between the drying device 10 and the rear shearing device 11, and between the rear shearing device 11 and the coiling machine 12 in a separated mode, and fixed distances are respectively arranged between every two devices; 845mm is arranged between the uncoiler 1 and the stokehole shearing device 2, 700mm is arranged between the alloy strip welding device 3 and the stokehole S roller device 4, 660mm is arranged between the stokehole S roller device 4 and the preheating furnace 5, 530mm is arranged between the cooling furnace 7 and the furnace rear S roller device 8, 585mm is arranged between the furnace rear S roller device 8 and the passivation flushing device 9, 955mm is arranged between the passivation flushing device 9 and the drying device 10, 640mm is arranged between the drying device 10 and the furnace rear shearing device 11, and 540mm is arranged between the furnace rear shearing device 11 and the coiling machine 12; the furnace front shearing device 2 is fixedly connected with the alloy strip welding device 3 through a base, and 225mm is arranged between the furnace front shearing device 2 and the alloy strip welding device 3; the preheating furnace 5, the heating and heat-preserving furnace 6 and the cooling furnace 7 are fixedly and hermetically connected; the uncoiler 1 is rotatably provided with a pressing roller 101, and the pressing roller 101 is coaxially provided with an encoder;
the stokehole shearing device 2 comprises a head end traction roller 201 and a head end hydraulic shear 202; the head end traction roller 201 is fixedly arranged on the right side of the head end hydraulic shear 202 and is fixedly connected with the shear rack; the head end traction roller 201 comprises a head end lower traction roller 2011, a head end upper traction roller 2012 and a head end traction roller bracket 2013, and the upper traction roller and the lower traction roller are connected through the head end traction roller bracket 2013; the head end lower pull roll 2011 is fixedly arranged at the lower part of the head end pull roll bracket 2013 and is fixedly connected with a driving servo motor; the head end upper pulling roll 2012 is movably arranged at the upper part of the head end pulling roll bracket 2013 and slides up and down along the pulling roll bracket 2013; one end of the head end traction roller bracket 2013 is horizontally hinged with the shearing machine frame, and the other end of the head end traction roller bracket 2013 is vertically and movably connected with the shearing machine frame through a screw and nut pair;
the furnace front S roller device 4 comprises a furnace front S roller centering detection device 401, an introduction roller 402, an S roller 403, a tension roller 404, a derivation roller 405, a tension roller lever 406 and a tension roller balancing weight 407; the furnace front S roller centering detection device 401 and the guide roller 402 are fixedly arranged at the right end of the furnace front S roller device 4, and the guide roller 405 is fixedly arranged at the left end of the furnace front S roller device 4; the number of the S rollers 403 is two, and the S rollers are arranged in an up-down mode; the tension roller 404 is movably arranged between the guide-out roller 405 and the S roller 403 and is fixedly connected with one end of a tension roller lever 406, and the tension roller lever 406 is hinged with the S roller frame; the other end of the tension roller lever 406 is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a lead screw, and the tension roller balancing weight 407 is movably connected with the lead screw and slides along the tension roller lever 406;
the preheating furnace 5 comprises a preheating furnace body 501, an inlet end sealing door 502, an inlet end corona generator 503, an inlet end explosion-proof membrane 504 and a tail gas discharge port 505; the inlet end sealing door 502 is a synchronous roller sealing structure and comprises an inlet end lower roller seal 5021 fixedly arranged at the lower part and an inlet end upper roller seal 5022 movably arranged at the upper part, and the inlet end lower roller seal 5021 is connected with a driving servo motor; an inlet end sealing door 502 is fixedly arranged at the right end of the preheating furnace body 501; the inlet end corona generator 503 is fixedly arranged inside the preheating furnace body 501 and is close to the inlet end sealing door 502; the inlet end explosion-proof membrane 504 is fixedly arranged at the top of the preheating furnace body 501 and is positioned above the inlet end corona generator 503; the tail gas discharge port 505 is arranged at the top of the preheating furnace body 501 and is close to the inlet end corona generator 503, and an electric spark igniter is further arranged on the tail gas discharge port 505;
the heating and heat-preserving furnace 6 comprises a heating and heat-preserving furnace body 601, a resistance heating belt 602, a temperature sensor 604 and a heating observation window 605; the heating and heat-preserving furnace body 601 is a muffle pipe, and is fixedly provided with refractory fiber cotton connected with the inner wall and light refractory bricks connected with the refractory fiber cotton; seven groups of resistance heating belts 602 are fixedly arranged inside the heating and heat-preserving furnace body 601 and arranged along the length direction of the heating and heat-preserving furnace body 601, and three groups of resistance heating belts 602 are respectively and fixedly arranged on two side walls and the bottom of the heating and heat-preserving furnace body 601; seven temperature sensors 604 are arranged corresponding to the resistance heating belts 602, and are fixedly arranged at the top in the heating and heat-preserving furnace body 601, and the positions of the temperature sensors and the resistance heating belts 602 are arranged in a staggered manner; the heating observation window 605 is fixedly arranged on the furnace walls at two sides of the heating heat-preservation furnace body 601;
the cooling furnace 7 comprises a cooling furnace body 701, an air cooler 702, an air knife 703, an outlet end sealing door 704, an outlet end corona generator 705, an outlet end explosion-proof film 706, a cooling observation window 707 and an air return pipe 708; the two air coolers 702 are fixedly arranged at the upper part of the outer side of the cooling furnace body 709, and the air delivery volumes of the two air coolers 702 are independently controllable; each air cooler 702 is connected with 64 air knives 703, the air knives 703 are fixedly arranged inside the cooling furnace body 701 in an up-down symmetrical mode and are arranged along the length direction of the cooling furnace body 701, the width of an air outlet of each air knife 703 gradually narrows along the feeding direction of the copper alloy belt, the width of an air outlet of each air knife at the rightmost end is 8MM, and the width of an air outlet of each air knife at the leftmost end is 4 MM; the outlet end sealing door 704 is a synchronous roller sealing structure and comprises an outlet end lower roller seal 7041 fixedly arranged at the lower part and an outlet end upper roller seal 7042 movably arranged at the upper part, and the outlet end lower roller seal 7041 is connected with a driving servo motor; the outlet end sealing door 704 is fixedly arranged at the left end of the cooling furnace body 701; the outlet end corona generator 705 is fixedly arranged in the cooling furnace body 701 and is close to the outlet end sealing door 704; the outlet end explosion-proof film 706 is fixedly arranged at the top of the cooling furnace body 701 and is positioned above the outlet end corona generator 705; the cooling observation windows 707 are fixedly arranged on the furnace walls at two sides of the cooling furnace body 701; the air return pipe 708 is fixedly arranged at the top of the cooling furnace body 701;
a furnace S roller centering detection device 801 is fixedly arranged on the furnace S roller device 8;
the furnace rear shearing device 11 comprises a tail end hydraulic shear 111 and a tail end traction roller 112; the tail end traction roller 112 is fixedly arranged on the left side of the tail end hydraulic shear 111 and is fixedly connected with the shear rack; the tail end drawing roller 112 comprises a tail end lower drawing roller 1121, a tail end upper drawing roller 1122 and a tail end drawing roller bracket 1123, and the upper drawing roller and the lower drawing roller are connected through the tail end drawing roller bracket 1123; the tail end lower drawing roller 1121 is fixedly arranged at the lower part of a tail end drawing roller bracket 1123, the tail end lower drawing roller 1121 is fixedly connected with a driving servo motor, and the tail end upper drawing roller 1122 is movably arranged at the upper part of the tail end drawing roller bracket 1123; one end of the tail end traction roller bracket 1123 is horizontally hinged with the shearing machine frame, and the other end of the tail end traction roller bracket 1123 is vertically and movably connected with the shearing machine frame through a screw-nut pair;
a winding centering detection device 121 and a winding synchronous tensioning wheel device 122 are fixedly arranged on the winding machine 12;
the online solid solution heat treatment device also comprises an electric appliance control system and a hydraulic system; the electric appliance control system is electrically connected with a sensor, a driving part and a hydraulic system which are arranged on the high-performance copper alloy strip online solid solution heat treatment device; the hydraulic system is connected with a hydraulic execution component oil way arranged on the high-performance copper alloy strip online solution heat treatment device.
The present invention is not described in detail in the prior art.
Claims (9)
1. An online solid solution heat treatment device for high-performance copper alloy strips is characterized in that: the device comprises an uncoiler (1), a furnace front shearing device (2), an alloy strip welding device (3), a furnace front S roller device (4), a preheating furnace (5), a heating and heat-preserving furnace (6), a cooling furnace (7), a furnace rear S roller device (8), a passivation flushing device (9), a drying device (10), a furnace rear shearing device (11) and a coiling machine (12), wherein the devices are sequentially aligned and fixedly arranged from right to left according to the central line of the devices; the device is characterized in that the device is arranged between an uncoiler (1) and a furnace front shearing device (2), between an alloy strip welding device (3) and a furnace front S roller device (4), between the furnace front S roller device (4) and a preheating furnace (5), between a cooling furnace (7) and a furnace rear S roller device (8), between the furnace rear S roller device (8) and a passivation flushing device (9), between the passivation flushing device (9) and a drying device (10), between the drying device (10) and a furnace rear shearing device (11), and between the furnace rear shearing device (11) and a coiling machine (12) in a separated mode, and fixed distances are arranged between the uncoiler and the furnace front shearing device; the furnace front shearing device (2) is fixedly connected with the alloy strip welding device (3) through a base; the preheating furnace (5), the heating and heat-preserving furnace (6) and the cooling furnace (7) are fixedly and hermetically connected; a press roller (101) is rotatably arranged on the uncoiler (1), and an encoder is coaxially arranged on the press roller (101);
the preheating furnace (5) comprises a preheating furnace body (501), an inlet end sealing door (502), an inlet end corona generator (503), an inlet end explosion-proof film (504) and a tail gas discharge port (505); the inlet end sealing door (502) is a synchronous roller sealing structure and comprises an inlet end lower roller seal (5021) fixedly arranged at the lower part and an inlet end upper roller seal (5022) movably arranged at the upper part, and the inlet end lower roller seal (5021) is connected with a driving servo motor; an inlet end sealing door (502) is fixedly arranged at the right end of the preheating furnace body (501); the inlet end corona generator (503) is fixedly arranged inside the preheating furnace body (501) and is close to the inlet end sealing door (502); the inlet end explosion-proof membrane (504) is fixedly arranged at the top of the preheating furnace body (501) and is positioned above the inlet end corona generator (503); the tail gas discharge port (505) is arranged at the top of the preheating furnace body (501) and is close to the inlet end corona generator (503).
2. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: the stokehole shearing device (2) comprises a head end traction roller (201) and a head end hydraulic shear (202); the head end traction roller (201) is fixedly arranged on the right side of the head end hydraulic shear (202) and is fixedly connected with the head end hydraulic shear through a shear rack; the head end traction roller (201) comprises a head end lower traction roller (2011), a head end upper traction roller (2012) and a head end traction roller bracket (2013), and the upper traction roller and the lower traction roller are connected through the head end traction roller bracket (2013); the head end lower traction roller (2011) is fixedly arranged at the lower part of the head end traction roller bracket (2013) and is fixedly connected with a driving servo motor; the head end upper traction roller (2012) is movably arranged at the upper part of the head end traction roller bracket (2013); one end of the head end traction roller bracket (2013) is connected with the horizontal hinge of the shearing rack, and the other end of the head end traction roller bracket is vertically and movably connected with the shearing rack through a screw nut pair.
3. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: the furnace front S roller device (4) comprises a furnace front S roller centering detection device (401), an introduction roller (402), an S roller (403), a tension roller (404), a derivation roller (405), a tension roller lever (406) and a tension roller balancing weight (407); the furnace front S roller centering detection device (401) and the guide roller (402) are fixedly arranged at the right end of the furnace front S roller device (4), and the guide roller (405) is fixedly arranged at the left end of the furnace front S roller device (4); the number of the S rollers (403) is arranged in an up-down mode; the tension roller (404) is movably arranged between the guide-out roller (405) and the S roller (403) and is fixedly connected with one end of a tension roller lever (406), and the tension roller lever (406) is hinged with the S roller frame; the other end of the tension roller lever (406) is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a lead screw, and a tension roller balancing weight (407) is movably connected with the lead screw and slides along the tension roller lever (406).
4. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: the heating heat-preserving furnace (6) comprises a heating heat-preserving furnace body (601), a resistance heating belt (602), a temperature sensor (604) and a heating observation window (605); the heating and heat-preserving furnace body (601) is a muffle pipe, is fixedly connected with the inner wall and is provided with refractory fiber cotton, and is fixedly connected with the refractory fiber cotton and is provided with light refractory bricks; the resistance heating belts (602) are fixedly arranged in the heating and heat-preserving furnace body (601) and arranged along the length direction of the heating and heat-preserving furnace body (601), and three resistance heating belts (602) are respectively and fixedly arranged on the two side walls and the bottom of the heating and heat-preserving furnace body (601); the plurality of temperature sensors (604) are fixedly arranged at the top in the heating and heat-preserving furnace body (601) and are arranged along the length direction of the heating and heat-preserving furnace body (601); the heating observation window (605) is fixedly arranged on the furnace walls at two sides of the heating heat-preservation furnace body (601).
5. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: the cooling furnace (7) comprises a cooling furnace body (701), an air cooler (702), an air knife (703), an outlet end sealing door (704), an outlet end corona generator (705), an outlet end explosion-proof film (706), a cooling observation window (707) and an air return pipe (708); the air coolers (702) are fixedly arranged at the upper part of the outer side of the cooling furnace body (709), a plurality of air coolers are arranged, and the air delivery volume of each air cooler (702) is independently controllable; the air cooler (702) is connected with a plurality of air knives (703), the air knives (703) are fixedly arranged inside the cooling furnace body (701) in an up-down symmetrical mode and are arranged along the length direction of the cooling furnace body (701), and the width of an air outlet of each air knife (703) is gradually narrowed along the feeding direction of the copper alloy belt; the outlet end sealing door (704) is a synchronous roller sealing structure and comprises an outlet end lower roller seal (7041) fixedly arranged at the lower part and an outlet end upper roller seal (7042) movably arranged at the upper part, and the outlet end lower roller seal (7041) is connected with a driving servo motor; the outlet end sealing door (704) is fixedly arranged at the left end of the cooling furnace body (701); the outlet end corona generator (705) is fixedly arranged in the cooling furnace body (701) and is close to the outlet end sealing door (704); the outlet end explosion-proof membrane (706) is fixedly arranged at the top of the cooling furnace body (701) and is positioned above the outlet end corona generator (705); the cooling observation windows (707) are fixedly arranged on the furnace walls at two sides of the cooling furnace body (701); the air return pipe (708) is fixedly arranged at the top of the cooling furnace body (701).
6. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: and a furnace S roller centering detection device (801) is fixedly arranged on the furnace S roller device (8).
7. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: the furnace rear shearing device (11) comprises a tail end hydraulic shear (111) and a tail end traction roller (112); the tail end traction roller (112) is fixedly arranged on the left side of the tail end hydraulic shear (111) and is fixedly connected with the shear rack; the tail end drawing roller (112) comprises a tail end lower drawing roller (1121), a tail end upper drawing roller (1122) and a tail end drawing roller bracket (1123), and the upper drawing roller and the lower drawing roller are connected through the tail end drawing roller bracket (1123); the tail end lower drawing roller (1121) is fixedly arranged at the lower part of a tail end drawing roller bracket (1123), the tail end lower drawing roller (1121) is fixedly connected with a driving servo motor, and the tail end upper drawing roller (1122) is movably arranged at the upper part of the tail end drawing roller bracket (1123); one end of the tail end traction roller support (1123) is connected with the horizontal hinge of the shearing rack, and the other end of the tail end traction roller support is vertically and movably connected with the shearing rack through a screw-nut pair.
8. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: and a winding centering detection device (121) and a winding synchronous tensioning wheel device (122) are fixedly arranged on the winding machine (12).
9. The high performance copper alloy strip in-line solution heat treatment apparatus of claim 1, wherein: the system also comprises an electric appliance control system and a hydraulic system; the electric appliance control system is electrically connected with a sensor, a driving part and a hydraulic system which are arranged on the high-performance copper alloy strip online solid solution heat treatment device; the hydraulic system is connected with a hydraulic execution component oil way arranged on the high-performance copper alloy strip online solution heat treatment device.
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| JP2000336432A (en) * | 1999-05-27 | 2000-12-05 | Chugai Ro Co Ltd | Heat treatment of vertical type continuous annealing furnace for copper and copper alloy base strip |
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| CN104175687A (en) * | 2014-08-21 | 2014-12-03 | 灵汇技术股份有限公司 | Production line of nano-antibacterial coiled plate |
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Denomination of invention: An on-line solid solution heat treatment device for high-performance copper alloy strip Effective date of registration: 20220128 Granted publication date: 20210615 Pledgee: Zhuhai Huixin Supply Chain Technology Management Co.,Ltd. Pledgor: Zhuhai Dahua New Material Co.,Ltd. Registration number: Y2022980001229 |
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Denomination of invention: A High Performance Copper Alloy Strip Online Solid Solution Heat Treatment Device Granted publication date: 20210615 Pledgee: Zhuhai Huixin Supply Chain Technology Management Co.,Ltd. Pledgor: Zhuhai Dahua New Material Co.,Ltd. Registration number: Y2024980005660 |
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