WO2024011966A1 - 含二次轧程的带材处理生产线及带材处理方法 - Google Patents

含二次轧程的带材处理生产线及带材处理方法 Download PDF

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Publication number
WO2024011966A1
WO2024011966A1 PCT/CN2023/086414 CN2023086414W WO2024011966A1 WO 2024011966 A1 WO2024011966 A1 WO 2024011966A1 CN 2023086414 W CN2023086414 W CN 2023086414W WO 2024011966 A1 WO2024011966 A1 WO 2024011966A1
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WIPO (PCT)
Prior art keywords
section
strip
pickling
annealing
product collection
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Application number
PCT/CN2023/086414
Other languages
English (en)
French (fr)
Inventor
李春明
许立雄
黎志明
廖砚林
Original Assignee
中冶南方工程技术有限公司
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Publication of WO2024011966A1 publication Critical patent/WO2024011966A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets

Definitions

  • the invention relates to a strip processing production line containing a secondary rolling process and a strip processing method based on the strip processing production line.
  • the present invention relates to a strip processing production line containing a secondary rolling process and a strip processing method based on the strip processing production line, which can at least solve some of the defects of the prior art.
  • the invention relates to a strip processing production line containing a secondary rolling process, which includes an uncoiling section, a first annealing and pickling section and a first product collection section arranged sequentially along the strip running direction.
  • the rolling mill, the second annealing and pickling section, the plate finishing section and the second product collection section are connected and arranged.
  • the first product collection section and the rolling mill are connected through a strip transfer structure.
  • the second annealing and pickling section includes an argon-protected rapid heating annealing furnace and a light pickling unit.
  • the argon-protected rapid annealing furnace adopts a resistance furnace or an induction heating furnace.
  • the light pickling unit includes a neutral salt electrolysis section and a mixed acid pickling section.
  • the rolling mill adopts an online 18-roll mill or a small-diameter 6-roll continuous rolling mill.
  • the first product collection section includes a first coiler and a first plate collection section.
  • the first coiler and the first plate collection device are connected through a transition guide plate; and/or the second product collection section includes a second coiler and a second plate collection device, so The second coiler and the second plate collection device are connected through a transition guide plate.
  • the decoiler section includes dual decoilers and a welding machine, and both decoilers are connected to the welding machine.
  • the present invention also relates to a strip processing method, which method is based on the above-mentioned strip processing production line containing a second rolling pass, wherein,
  • the strip raw materials are processed through the uncoiling section and the first annealing and pickling section in sequence, and the obtained products are collected through the first product collection section;
  • the strip raw materials are processed sequentially through the uncoiling section, the first annealing and pickling section, the rolling mill, the second annealing and pickling section, and the plate finishing section.
  • the product is obtained Collected through the second product collection section.
  • the strip is stainless steel or titanium.
  • the products collected by the first product collection section and the second product collection section are coils or plates.
  • the second annealing and pickling section includes an argon-protected rapid heating annealing furnace and a light pickling unit.
  • the argon-protected rapid annealing furnace adopts a resistance furnace or an induction heating furnace; the light pickling unit It includes a neutral salt electrolysis section and a mixed acid pickling section.
  • the mixed acid pickling section uses a mixed pickling solution of HF and HNO3 .
  • the invention jointly arranges the first annealing and pickling section, the first product collection section, the rolling mill, the second annealing and pickling section, the plate finishing section and the second product collection section to form a continuous production unit, which can meet the needs of hot-rolled stainless steel coils. , chilled stainless steel coils, hot-rolled titanium coils and chilled titanium coils and other strips for continuous processing. It directly produces stainless steel and titanium coil or plate products, eliminating the need to transport steel coils between processes, improving the yield rate and greatly saving factory construction land and engineering investment.
  • Figure 1 is a schematic diagram of the composition of a strip processing production line provided by an embodiment of the present invention
  • Figure 2 is an equipment structure diagram of a strip cutting station provided in Embodiment 3 of the present invention.
  • Figure 3 is a schematic structural diagram of a strip conveying device provided in Embodiment 3 of the present invention.
  • Figure 4 is a plan view of a strip conveying device provided in Embodiment 3 of the present invention.
  • Figure 5 is a schematic structural diagram of a strip pressing mechanism provided in Embodiment 3 of the present invention.
  • Figure 6 is a schematic diagram of the arrangement of the guide plate on the compression frame provided by Embodiment 3 of the present invention.
  • FIG. 7 is a side view of FIG. 6 .
  • an embodiment of the present invention provides a strip processing production line with a second rolling process, including an uncoiling section, a first annealing and pickling section and a first product collection section arranged sequentially along the strip running direction, and also includes The rolling mill 14, the second annealing and pickling section, and plate finishing are arranged successively along the strip running direction. section and the second product collection section.
  • the first product collection section and the rolling mill 14 are connected through a strip transfer structure 13 .
  • the above-mentioned uncoiler section adopts a double uncoiler method, which can effectively save the time of inlet coil change.
  • the uncoiler section includes a double uncoiler and a welding machine 3, and the double uncoiler also includes The first decoiler 1 and the second decoiler 2 are both connected to the welding machine 3; among them, the welding machine 3 is used to weld the tail of the previous roll of strip to the head of the next roll of strip.
  • the welding machine 3 can use laser welding machine 3, laser hybrid welding machine 3 and other welding equipment that can directly roll the weld seam.
  • the two uncoilers have the ability to unwind strip rolls with a strip thickness of 1 to 12 mm.
  • the above-mentioned first annealing and pickling section includes a front annealing furnace 5 and a front pickling unit 8.
  • the front annealing furnace 5 is preferably a resistance furnace or an induction heating furnace, which can achieve rapid heating of the strip and ensure the annealing effect.
  • the front pickling unit 8 adopts a pickling process of sulfuric acid pickling + mixed acid pickling; wherein, the sulfuric acid pickling section can use 1 to 4 sections of sulfuric acid pickling tanks, specifically according to the process speed of the strip.
  • the number of sulfuric acid pickling tanks is determined according to the requirements.
  • Each group of sulfuric acid pickling tanks is preferably equipped with a separate sulfuric acid pickling liquid circulation mechanism.
  • the sulfuric acid pickling liquid of each sulfuric acid pickling tank is The concentration decreases in sequence; mixed acid pickling is preferably a mixed pickling solution of HF and HNO 3 , and 2 to 4 sections of mixed acid pickling tanks can be used.
  • Each group of mixed acid pickling tanks is preferably equipped with a separate mixed acid pickling liquid circulation mechanism, and further , along the running direction of the strip, the concentration of the mixed acid pickling liquid in each mixed acid pickling tank decreases successively.
  • a first looper 4 is provided between the front annealing furnace 5 and the decoiling section, which can coordinate the production pace between the decoiling section and the first annealing and pickling section.
  • the first looper 4 is preferably When the welding machine 3 is in a full set state during normal production and the welding machine 3 is performing a welding operation, the first looper 4 can be used to release the set to ensure smooth production.
  • a second looper 9 is provided between the front pickling unit 8 and the first product collection section, which can coordinate the production pace between the first annealing and pickling section and the downstream section. Specifically, through This section The cache function of the second looper 9 can ensure that the first annealing and pickling section can operate normally when the rolls of the rolling mill 14 are changed, and ensure that the first annealing and pickling section can operate normally when the first product collection section collects products.
  • a surface treatment mechanism is also arranged between the front annealing furnace 5 and the front pickling unit 8.
  • the surface treatment mechanism includes a shot blasting machine 6 and a surface rebrushing device 7, wherein: the shot blasting machine 6.
  • Different numbers of blasting chambers can be configured according to the speed of the unit. The higher the speed, the more the blasting chambers.
  • a shot blasting machine 6 with 1 to 3 blasting chambers is used; the surface rebrushing device 7 uses hard bristles to remove the oxide scale. Grinding and brushing the surface of the strip will remove part of the oxide scale, which is more conducive to improving the pickling efficiency.
  • the above-mentioned rolling mill 14 adopts an online 18-roll mill 14 or a small-diameter 6-roll continuous rolling mill 14. It is preferably a multi-stand structure.
  • the number of stands can be set to not less than 3 according to raw material and product specifications. Stand; the total reduction rate of the above-mentioned rolling mill 14 is preferably controlled at 20% to 85%.
  • a cleaning section 15 is arranged on the outlet side of the rolling mill 14, which can remove the emulsion or rolling oil remaining on the surface of the strip during the rolling process and improve the surface quality of the final product.
  • This cleaning section 15 can be used Alkaline cleaning or high pressure hot water flushing.
  • the second annealing and pickling section includes an argon-protected rapid heating annealing furnace 17 and a light pickling unit 18.
  • the argon-protected rapid annealing furnace adopts a resistance furnace or an induction heating furnace, and argon gas is passed through it. Protection can realize rapid heating of the strip and ensure annealing effect and production efficiency; among them, the furnace temperature of the argon-protected rapid annealing furnace is preferably controlled at 1100 ⁇ 1250°C.
  • the surface of the strip treated by the argon-protected rapid heating annealing furnace 17 will have a thin oxide film.
  • the above-mentioned light pickling unit 18 can remove the oxide film and improve the surface quality of the product.
  • the light pickling unit 18 includes a neutral salt electrolysis section and a mixed acid pickling section, which is suitable for processing stainless steel and titanium materials, and controls the surface state of the strip by controlling parameters such as current, acid concentration, and temperature.
  • the mixed acid pickling section uses a mixed pickling liquid of HF and HNO 3. Further, HF ⁇ 20g/l and HNO3 ⁇ 100g/l.
  • a third rolling mill 14 is provided between the rolling mill 14 and the argon-protected rapid heating annealing furnace 17.
  • the looper 16 can coordinate the production pace between the rolling mill 14 and the second annealing and pickling section, and can ensure the normal operation of the second annealing and pickling section when the rolling mill 14 changes rolls.
  • a fourth looper 19 is provided between the light pickling unit 18 and the plate finishing section, which can coordinate the production pace between the second annealing and pickling section and the downstream section.
  • the above-mentioned plate shape finishing section includes a leveling machine 20 and a tension leveling machine 21, which can perform plate shape and surface treatment on the strip to improve the quality of the strip product, for example, to make the surface of the stainless steel strip reach 2B /2D surface delivery requirements, the surface of the titanium belt meets the roughness requirements required by the customer, etc.
  • the strip processing production line provided in this embodiment can be used to process stainless steel strips, and can also be used to process titanium strips; coils or plates can be obtained, correspondingly:
  • the first product collection section includes a first coiler 10 and a first plate collection device 12.
  • a first transition guide plate is used between the first coiler 10 and the first plate collection device 12.
  • the second product collection section includes a second coiler 22 and a second plate collection device 24, and the second coiler 22 and the second plate collection device 24 are connected by a third
  • the two transition guide plates 23 are connected. Wherein, when the target product is a plate, the strip needs to be cut into plates.
  • the above-mentioned first product collection section also includes a strip cutting device, and the strip cutting device can be arranged on the entrance side of the first product collection section, for example It is arranged on the incoming side of the first coiler 10, or can be arranged between the first coiler 10 and the first plate collection device 12; the above-mentioned second product collection section can also be equipped with a strip cutting device, the specific arrangement The structure will not be described in detail here.
  • the above-mentioned first plate collection device 12 and second plate collection device 24 may be a plate stacker or the like.
  • strip transfer structure 13 between the first product collection section and the rolling mill 14 may also adopt a transition guide plate.
  • the strip processing production line can process stainless steel or titanium materials.
  • the raw material coils can be hot-rolled black stainless steel coils, chilled stainless steel or hot-rolled titanium coils, etc.; the strip thickness specifications can be 1mm to 12mm.
  • the strip processing line has two main production processes:
  • the obtained products are collected through the first product collection section;
  • the obtained product is collected through the second product collection section.
  • the strip processing production line provided by this embodiment is formed by jointly arranging the first annealing and pickling section, the first product collection section, the rolling mill 14, the second annealing and pickling section, the plate finishing section and the second product collection section.
  • the continuous production unit can meet the continuous processing of hot-rolled stainless steel coils, chilled stainless steel coils, hot-rolled titanium coils, chilled titanium coils and other strips, and directly produce stainless steel and titanium coils or plate products, eliminating the need for steel between processes.
  • the deployment and transportation of rolls improves the yield rate and saves factory construction land and engineering investment to a great extent.
  • an embodiment of the present invention provides a strip processing method, which is based on the strip processing production line containing a second rolling process provided in the above-mentioned Embodiment 1, wherein,
  • the strip raw materials are processed through the uncoiling section and the first annealing and pickling section in sequence, and the obtained products are collected through the first product collection section;
  • the strip raw materials are processed sequentially through the uncoiling section, the first annealing and pickling section, rolling mill 14, the second annealing and pickling section, and the plate finishing section.
  • the product is collected through the second product collection section.
  • Embodiments of the present invention provide a strip cutting method on a strip continuous production line, which can be used in the above-mentioned Embodiment 1 or 2 to cut strips into plate products.
  • the strip cutting method includes the following steps:
  • the cutting head 301 moves according to the designed cutting head running path to cut the strip.
  • the thermal cutting method or the water cutting method can be used.
  • the thermal cutting method is preferably the laser cutting method.
  • the cutting head 301 is a laser cutting head; for the water cutting method, the cutting head 301 is correspondingly a water cutting head. /waterjet.
  • the cutting head 301 needs to be able to move.
  • the cutting head 301 is configured with a cutting head driving mechanism.
  • the cutting head driving mechanism has a third element that drives the cutting head 301 to move in the length direction of the strip running channel.
  • a driving stroke and a second driving stroke driving the cutting head 301 to move in the width direction of the strip running channel.
  • a gantry cutting machine is used, which specifically includes:
  • Machine tool host part including the gantry 303 and the movable seat.
  • the gantry 303 can slide along the length of the strip running channel to realize the movement of the cutting head 301 in the X direction.
  • the movable seat can move laterally on the gantry 303 to realize the cutting head 301 In the Y-direction movement, the movable seat can further be set to move up and down relative to the gantry 303 to realize the movement of the cutting head 301 in the Z-direction, which can assist focusing and improve the focusing efficiency and focusing accuracy of the cutting head 301.
  • the drive of the gantry 303 and the movable seat are preferably driven by servo motors, which can be driven correctly and accurately according to the control program;
  • the laser 302 is installed on the above-mentioned movable seat, and the laser emitted by the laser 302 is emitted from the cutting head 301 to the strip. Surface to realize strip cutting operation;
  • CNC system controls the machine tool host to realize the X-, Y-, and Z-direction movements of the cutting head 301, and also controls the output power of the laser 302.
  • the above-mentioned cutting machine also includes an exhaust and dust removal mechanism to extract smoke and dust generated during processing and perform dust removal treatment so that the exhaust gas emissions meet environmental protection requirements.
  • a waste collection unit is provided below the strip conveying channel.
  • the waste collection unit can be equipped with a slag discharge device to facilitate the timely discharge of the collected waste.
  • the running path of the cutting head is an oblique running path with an angle relative to the length direction of the strip.
  • the factors considered in the design of the above-mentioned cutting head running path mainly include strip specifications, strip running speed and cutting time.
  • the starting running position of the cutting head 301 can be determined by the strip specification, and the strip running speed mainly determines the cutting speed.
  • the X-direction movement speed of the head 301, the cutting time requirement combined with the strip specifications can determine the Y-direction movement speed of the cutting head 301.
  • the cutting head running paths will be different, but all cutting head running paths will be within the two boundary running paths of the cutting head 301 (as shown in Figure 4).
  • this embodiment can realize the online continuous cutting operation of strips on the strip processing production line without stopping or flying shearing, ensuring the reliability and smoothness of strip production, and is especially suitable for online continuous cutting operations of high-strength steel plates. .
  • the strip running channel is divided into a cutting area 110 and a non-cutting area 120, and the strip in the cutting area 110 is
  • the material conveying device 100 is designed for protection. Based on this design, it can better protect The strip conveying device 100 can effectively reduce equipment costs and maintenance costs by matching the strip conveying device 100 in the cutting area 110 and the non-cutting area 120 .
  • the conveying surface of the strip conveying device 100 suitable for contacting the strip is made of a material that is resistant to laser radiation, for example, the conveying surface is copper-plated or otherwise formed to be resistant to laser radiation. material layer.
  • the above structure can better protect the strip conveying device 100, prevent the laser from passing through the strip and ablating the strip conveying device 100, and prevent surface defects of the strip conveying device 100 from affecting the surface quality of the strip.
  • the strip conveying device 100 in the cutting area 110 , includes a plurality of conveying units arranged sequentially along the length direction of the strip running channel, and each conveying unit includes a drive roller installed on There is at least one first conveying roller 102 on the transmission roller 101; when multiple first conveying rollers 102 are installed on the transmission roller 101, the first transmission rollers 102 are arranged at intervals on the transmission roller 101.
  • the first conveying rollers 102 By arranging the first conveying rollers 102 at intervals, the number of strip conveying devices that may appear within the influence range of the cutting medium (such as the laser irradiation range) can be reduced, thereby correspondingly reducing the friction of the strip conveying device 100 during the strip cutting process. damage.
  • the first conveying roller 102 is used as the conveying equipment. On the premise of ensuring reliable conveying requirements for the strip, the replacement of the first conveying roller 102 is also very convenient. The new first conveying roller 102 will be standardized and produced.
  • the first conveying roller 102 is detachably fixed and installed on the transmission roller. On axis 101.
  • the transmission surface is made of materials resistant to laser irradiation
  • the outer edge surface of the first conveying roller 102 only needs to be made of materials resistant to laser irradiation, which can also significantly reduce the cost.
  • the rim ring used to contact the strip has a spindle-shaped cross-section, that is, the rim ring extends from the inner ring to the strip.
  • the direction of the outer ring is tapered.
  • the above-mentioned first conveying roller 102 may further include a core ring, which is sleeved on the transmission roller shaft 101, and the above-mentioned rim ring is sleeved on the core ring; wherein, the rim ring and the core ring are preferably detachably connected. , for example, the two are connected through an adapter plate.
  • the adapter plate and the rim ring can be connected through bolts, etc.
  • the adapter plate can be welded and fixed on the core ring, or can be fixed on the core ring through bolts.
  • a protective tube 105 is set on the exposed transmission roller 101 (that is, the roller shaft section that is not covered with the first conveying roller 102) to prevent the cutting of the medium during the cutting process. Damage to the transmission roller 101 further reduces maintenance costs.
  • a plurality of second conveying rollers 103 are installed on the shaft section of the transmission roller shaft 101 extending to the non-cutting area 120 .
  • the outer circumferential surface of the second conveying roller 103 is preferably a cylindrical annular surface, which has a relatively large contact area with the strip, ensuring reliable conveying of the strip, and at the same time improving the force uniformity of each shaft section of the transmission roller shaft 101 , to avoid defects such as torsional deformation of the transmission roller 101.
  • the conveying rollers on the transmission roller 101 are arranged at equal intervals to prevent the strip from wandering.
  • the axis of the above-mentioned driving roller 101 is parallel to the width direction of the strip running channel, and the first conveying roller 102 and the second conveying roller 103 are preferably coaxially installed on the driving roller 101 .
  • the above-mentioned transmission roller 101 is connected with a conveying driving mechanism 104 that drives it to rotate around its own axis.
  • the conveying driving mechanism 104 can be a gear motor or an electric motor, preferably a servo motor or a servo motor.
  • the strip conveying device 100 before and after the cutting station also adopts a structure in which the transmission rollers 101 are set with multiple conveying rollers.
  • the transmission rollers 101 are preferably arranged in sequence with equal intervals.
  • each group of conveying driving mechanisms 104 is arranged on both sides of the strip conveying channel. It is further preferred that there is a transmission between two adjacent groups of conveying driving mechanisms 104 on the same side. Moving roller 101; based on this design, the strip can be effectively prevented from deflecting.
  • the strip pressing mechanism 200 when cutting the strip, pressure is applied to the strip on both sides of the cutting slit to prevent the cut strip from rebounding upward, thereby better protecting the cutting equipment.
  • the strip pressing mechanism 200 can be configured accordingly, wherein, in order to cooperate with the operation of the strip and the operation of the cutting head 301, the pressing part of the strip pressing mechanism 200 should be able to keep following the strip.
  • the above-mentioned strip pressing mechanism 200 is configured with an X-direction drive structure, such as a pressing frame 201 with a traveling mechanism and equipped with a traveling drive structure (such as a motor).
  • the pressing frame 201 can be combined with a gantry type
  • the gantry 303 of the cutting machine shares the X-direction rail, or can be configured with an X-direction rail separately; accordingly, strip pressing mechanisms 200 need to be provided at the front and rear sides of the cutting machine.
  • the strip pressing mechanism 200 is integrated with the cutting machine.
  • the above-mentioned pressing frame 201 is installed on the gantry frame 303 of the gantry cutting machine. Since it is necessary to press the strips on both sides of the cutting slit separately. Tight, therefore mounting brackets can be respectively provided on the front and rear sides of the gantry 303 to install the compression frame 201.
  • the above-mentioned strip pressing mechanism 200 includes a pressure beam 202 and a pressure driving structure 203 for driving the pressure beam 202 to rise and fall.
  • the pressure driving structure 203 can drive the pressure beam 202 in the working position. and the standby position. In the working position, the pressure beam 202 is pressed against the surface of the strip, and the standby position is located above the working position.
  • the pressure beam 202 can be a pressure plate with a plate surface parallel to the horizontal plane. Of course, pressure rollers and the like are also suitable for use in this embodiment.
  • the above-mentioned pressing drive structure 203 can adopt linear drive equipment such as cylinders and hydraulic cylinders, or adopt a driving method such as motor + transmission assembly.
  • the above-mentioned pressing down driving structure 203 is installed on the pressing frame 201 and connected with the pressing beam 202 .
  • a guide structure is provided on the compression frame 201 to guide the lifting movement of the pressure beam 202 and improve the stability and reliability of the lifting movement of the pressure beam 202; the guide structure can use a guide rod 2041 -
  • the guiding method of the guide sleeve 2042 can also be the guiding method of the guide slide rail-guide slide block, which will not be listed here.
  • multiple guide rods 2041 are installed on the pressure beam 202.
  • a plurality of guide holes are correspondingly provided on the compression frame 201; further, a guide sleeve 2042 can be installed in the guide hole.
  • at least part of the guide sleeve 2042 is a self-lubricating sleeve.
  • an upper limit block can be set on the guide rod 2041 to limit the downward stroke of the guide rod 2041, thereby limiting the downward stroke of the pressure beam 202 and preventing the pressure beam 202 from being separated from the compression frame 201; an upper limit block can also be provided on the guide rod 2041 A lower limit block is provided on the top to limit the upward stroke of the guide rod 2041 and the pressure beam 202.
  • the above-mentioned strip pressing mechanism 200 also includes a buffer structure, which is arranged between the pressure beam 202 and the pressing frame 201. On the one hand, it can improve the pressure adaptability when applying pressure to the strip. On the other hand, it can effectively buffer the rebound force of the strip and reduce the impact on the pressing drive structure 203 and the like.
  • the buffer structure includes multiple sets of buffer springs 205. The top end of the buffer springs 205 is in contact with the compression frame 201, and the bottom end is in contact with the pressure beam 202; a guide rod 2041 is provided above.
  • the buffer spring 205 can be sleeved on the guide rod 2041, and the buffer spring 205 can be restricted to only perform vertical expansion and contraction activities. Further, a plurality of sinking grooves are provided at the bottom of the compression frame 201. The number of sinking grooves is the same as that of the buffer springs 205 and they are arranged in one-to-one correspondence. The top ends of the buffer springs 205 are accommodated in the corresponding sinking grooves, which can improve the strength of the buffer springs 205.
  • the large-diameter hole section of the stepped hole is It is constituted as the sinking tank mentioned above.
  • the compression frame 201 is also provided with a guide plate 206, which is installed at the front end (that is, the steel side end) of the compression frame 201.
  • the bottom end of the guide plate 206 is preferably no higher than the horizontal plane where the pressure beam standby position is located.
  • the bottom surface of the guide plate 206 is preferably an inclined guide surface, and the inclined guide surface is inclined downward from the front end to the rear end of the guide plate 206 (that is, the front end of the guide surface is located above the rear end).
  • the guide plate 206 can prevent the belt head from being tilted too much and damaging the pressure plate, and can assist in belt threading and improve production efficiency.
  • the above-mentioned pressure beam 202 is a beam made of electromagnets, or an electromagnet is provided on the pressure beam 202.
  • the control power supply of the electromagnet can be installed on the compression frame 201, or can be controlled by pressing.
  • the tight frame 201 is wired for connection to an external power source. Based on the above structure, when the pressure beam 202 is pressed, the electromagnet is energized, which can cause the pressure beam 202 to be adsorbed and pressed against the surface of the strip, significantly improving the compression effect and operation synchronization of the strip.
  • the embodiment of the present invention also provides a strip cutting device, which can be used in the above-mentioned Embodiment 1 or 2 to cut the strip into plate products.
  • a strip cutting device which can be used in the above-mentioned Embodiment 1 or 2 to cut the strip into plate products.
  • the specific installation position has been mentioned and will not be discussed here. Repeat.
  • the strip cutting device includes:
  • a cutting head 301 is arranged above the strip running channel.
  • the cutting head 301 is configured with a cutting head driving mechanism.
  • the cutting head driving mechanism has a first drive that drives the cutting head 301 to move in the length direction of the strip running channel. stroke and a second driving stroke that drives the cutting head 301 to move in the width direction of the strip running channel;
  • the controller is used to receive cutting instructions and control the cutting head driving mechanism to work when the strip runs to the set position so that the cutting head 301 moves according to the preset cutting head running path and cuts the strip.
  • the cutting head running path is such that the cutting head 301 keeps following the strip in the length direction of the strip and performs traverse cutting motion relative to the strip in the width direction of the strip.
  • the above-mentioned controller can be integrated into the central control room of the production line.
  • the above-mentioned cutting head 301 is preferably a laser cutting head.

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Abstract

一种含二次轧程的带材处理生产线，包括沿带材运行方向依次衔接布置的开卷工段、第一退火酸洗工段和第一产品收集工段，还包括沿带材运行方向依次衔接布置的轧机(14)、第二退火酸洗工段、板型精整工段和第二产品收集工段，第一产品收集工段与轧机(14)之间通过带材转运结构衔接。以及一种基于该带材处理生产线的带材处理方法。将第一退火酸洗工段、第一产品收集工段、轧机、第二退火酸洗工段、板型精整工段和第二产品收集工段等联合布置形成连续生产机组，可以满足热轧不锈钢卷、冷硬不锈钢卷、热轧钛卷及冷硬钛卷等带材的连续处理，省去工序间钢卷的调运，提高了成材率，节约了工厂建设用地和工程投资。

Description

含二次轧程的带材处理生产线及带材处理方法 技术领域
本发明涉及一种含二次轧程的带材处理生产线以及基于该带材处理生产线的带材处理方法。
背景技术
不锈钢酸洗、轧制、退火和表面精整等都是成熟生产工艺，钛的卷材生产近些年也逐渐兴起。现阶段需求来讲，不锈钢的需求和产量高，钛的需求和产量低，但具有逐年递增的趋势。不锈钢生产带材工艺较为成熟，钛的带材生产工艺相对落后，主要原因是产量低，大部分工厂以板材的生产方式生产，但随着需求的增长，节约成本、提高效率的连续机组是将来生产钛材的一种趋势。发明内容
本发明涉及一种含二次轧程的带材处理生产线以及基于该带材处理生产线的带材处理方法，至少可解决现有技术的部分缺陷。
本发明涉及一种含二次轧程的带材处理生产线，包括沿带材运行方向依次衔接布置的开卷工段、第一退火酸洗工段和第一产品收集工段，还包括沿带材运行方向依次衔接布置的轧机、第二退火酸洗工段、板型精整工段和第二产品收集工段，所述第一产品收集工段与所述轧机之间通过带材转运结构衔接。
作为实施方式之一，所述第二退火酸洗工段包括氩气保护快速加热退火炉和轻酸洗单元，所述氩气保护快速退火炉采用电阻炉或感应加热炉。
作为实施方式之一，所述轻酸洗单元包括中性盐电解段和混酸酸洗段。
作为实施方式之一，所述轧机采用在线18辊轧机或者小辊径6辊连轧机。
作为实施方式之一，所述第一产品收集工段包括第一卷取机和第一板材收 集装置，所述第一卷取机与所述第一板材收集装置之间通过过渡导板衔接；和/或，所述第二产品收集工段包括第二卷取机和第二板材收集装置，所述第二卷取机与所述第二板材收集装置之间通过过渡导板衔接。
作为实施方式之一，所述开卷工段包括双开卷机和焊机，两台开卷机均与所述焊机衔接。
本发明还涉及一种带材处理方法，该方法基于上述的含二次轧程的带材处理生产线进行，其中，
处理热轧带材时，带材原料依次经开卷工段和第一退火酸洗工段处理后，所获得的产品通过所述第一产品收集工段收集；
处理冷轧带材或带材需要减薄处理时，带材原料依次经开卷工段、第一退火酸洗工段、轧机、第二退火酸洗工段、板型精整工段处理后，所获得的产品通过所述第二产品收集工段收集。
作为实施方式之一，所述带材为不锈钢或钛材。
作为实施方式之一，所述第一产品收集工段和所述第二产品收集工段收集的产品为卷材或板材。
作为实施方式之一，所述第二退火酸洗工段包括氩气保护快速加热退火炉和轻酸洗单元，所述氩气保护快速退火炉采用电阻炉或感应加热炉；所述轻酸洗单元包括中性盐电解段和混酸酸洗段，其中，混酸酸洗段采用HF与HNO3的混合酸洗液。
本发明至少具有如下有益效果：
本发明将第一退火酸洗工段、第一产品收集工段、轧机、第二退火酸洗工段、板型精整工段和第二产品收集工段等联合布置形成连续生产机组，可以满足热轧不锈钢卷、冷硬不锈钢卷、热轧钛卷及冷硬钛卷等带材的连续处理，直 接生产不锈钢和钛材的卷材或板材产品，省去工序间钢卷的调运，提高了成材率，极大程度地节约工厂建设用地和工程投资。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为本发明实施例提供的带材处理生产线的组成示意图；
图2为本发明实施例三提供的带钢切割工位的设备结构图；
图3为本发明实施例三提供的带钢输送装置的结构示意图；
图4为本发明实施例三提供的带钢输送装置的平面图；
图5为本发明实施例三提供的带钢压紧机构的结构示意图；
图6为本发明实施例三提供的导向板在压紧框架上的布置示意图；
图7为图6的侧视图。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
实施例一
如图1，本发明实施例提供一种含二次轧程的带材处理生产线，包括沿带材运行方向依次衔接布置的开卷工段、第一退火酸洗工段和第一产品收集工段，还包括沿带材运行方向依次衔接布置的轧机14、第二退火酸洗工段、板型精整 工段和第二产品收集工段，所述第一产品收集工段与所述轧机14之间通过带材转运结构13衔接。
在其中一个实施例中，如图1，上述开卷工段采用双开卷方式，能有效地节约入口换卷时间，具体地，所述开卷工段包括双开卷机和焊机3，双开卷机也即包括第一开卷机1和第二开卷机2，两台开卷机均与所述焊机3衔接；其中，焊机3用于将上一卷带材的带尾与下一卷带材的带头焊接起来，以实现连续生产，该焊机3可采用激光焊机3、激光复合焊机3等满足焊缝能直接轧制的焊接设备。优选地，两台开卷机具备带材厚度1～12mm的带材卷开卷能力。
上述第一退火酸洗工段包括前退火炉5和前酸洗单元8，其中，前退火炉5优选为采用电阻炉或感应加热炉，能实现带材的快速加热，保证退火效果。
在其中一个实施例中，前酸洗单元8采用硫酸酸洗+混酸酸洗的酸洗工艺；其中，硫酸酸洗段可采用1～4段硫酸酸洗槽，具体可根据带材的工艺速度等要求对硫酸酸洗槽的数量进行增减确定，每组硫酸酸洗槽优选为单独配置硫酸酸洗液循环机构，进一步地，沿带材运行方向，各硫酸酸洗槽的硫酸酸洗液浓度依次递减；混酸酸洗优选为采用HF与HNO3的混合酸洗液，可采用2～4段混酸酸洗槽，每组混酸酸洗槽优选为单独配置混酸酸洗液循环机构，进一步地，沿带材运行方向，各混酸酸洗槽的混酸酸洗液浓度依次递减。
进一步地，如图1，在前退火炉5与开卷工段之间设有第一活套4，可以协调开卷工段与第一退火酸洗工段之间的生产步调，该第一活套4优选为在正常生产时处于满套状态，在焊机3进行焊接操作等工况下，可通过该第一活套4放套以保证生产顺行。
进一步地，如图1，在前酸洗单元8与第一产品收集工段之间设有第二活套9，可以协调第一退火酸洗工段与下游工段之间的生产步调，具体地，通过该第 二活套9的缓存功能，可以保证在轧机14换辊时第一退火酸洗工段能正常运行，以及保证第一产品收集工段在进行产品收集时，第一退火酸洗工段能正常运行。
进一步地，如图1，在前退火炉5与前酸洗单元8之间还布置有表面处理机构，优选地，该表面处理机构包括抛丸机6和表面重刷装置7，其中：抛丸机6可根据机组速度不同配置不同数量的抛室，速度越高抛室越多，本实施例中，采用1～3抛室抛丸机6；表面重刷装置7采用硬质刷毛对带有氧化皮的带材表面进行磨刷，去掉部分氧化皮的同时，更有利于提高酸洗效率。
在其中一个实施例中，上述轧机14采用在线18辊轧机14或者小辊径6辊连轧机14，优选为采用多机架结构，根据原料和产品规格需要可以设置为机架数量不低于3机架；上述轧机14的总压下率优选为控制在20％～85％。进一步优选地，如图1，轧机14出口侧布置有清洗段15，可以去除轧制过程中残留在带材表面的乳化液或轧制油，可以改善最终成品表面质量，该清洗段15可采用碱液清洗或者采用高压热水冲洗。
在其中一个实施例中，所述第二退火酸洗工段包括氩气保护快速加热退火炉17和轻酸洗单元18，所述氩气保护快速退火炉采用电阻炉或感应加热炉，通氩气保护，可以实现带材的快速加热，保证退火效果和生产效率；其中，该氩气保护快速退火炉的炉温优选为控制在1100～1250℃。
经氩气保护快速加热退火炉17处理后的带材表面会有一层较薄的氧化膜，上述轻酸洗单元18可将该氧化膜去除，提高产品表面质量。优选地，所述轻酸洗单元18包括中性盐电解段和混酸酸洗段，能适用于不锈钢及钛材的处理，通过控制电流、酸浓度和温度等等参数控制带材表面状态。优选地，混酸酸洗段采用HF与HNO3的混合酸洗液，进一步地，HF≦20g/l，HNO3≦100g/l。
进一步地，如图1，在轧机14与氩气保护快速加热退火炉17之间设有第三 活套16，可以协调轧机14与第二退火酸洗工段之间的生产步调，可以保证轧机14换辊时第二退火酸洗工段能正常运行。
进一步地，如图1，在轻酸洗单元18与板型精整工段之间设有第四活套19，可以协调第二退火酸洗工段与下游工段之间的生产步调。
在其中一个实施例中，上述板型精整工段包括平整机20和拉矫机21，可以对带材进行板型和表面处理，以提高带材产品质量，例如使不锈钢带钢表面达到2B/2D表面交货要求，钛带表面达到客户需要的粗糙度要求等。
本实施例提供的带材处理生产线可以用于不锈钢带钢的处理，也可以用于钛带的处理；可以得到卷材，也可以得到板材，相应地：
如图1，所述第一产品收集工段包括第一卷取机10和第一板材收集装置12，所述第一卷取机10与所述第一板材收集装置12之间通过第一过渡导板11衔接；和/或，所述第二产品收集工段包括第二卷取机22和第二板材收集装置24，所述第二卷取机22与所述第二板材收集装置24之间通过第二过渡导板23衔接。其中，当目标产品为板材时，需要将带材切割为板，因此，上述第一产品收集工段还包括带材切割装置，该带材切割装置可以布置在第一产品收集工段的入口侧，例如布置在第一卷取机10的来料侧，也可以布置在第一卷取机10与第一板材收集装置12之间；上述第二产品收集工段也可配置带材切割装置，具体的布置结构此处不作赘述。上述第一板材收集装置12和第二板材收集装置24可采用板材堆垛机等。
另外，第一产品收集工段与轧机14之间的带材转运结构13也可采用过渡导板。
基于上述带材处理生产线，可以满足不锈钢或钛材的处理，原料卷可以为热轧黑卷不锈钢或冷硬不锈钢或热轧钛卷等；带材厚度规格可以是1mm～12mm。 该带材处理生产线有两个主要的生产流程：
带材原料依次经开卷工段和第一退火酸洗工段处理后，所获得的产品通过所述第一产品收集工段收集；
带材原料依次经开卷工段、第一退火酸洗工段、轧机14、第二退火酸洗工段、板型精整工段处理后，所获得的产品通过所述第二产品收集工段收集。
本实施例提供的带材处理生产线，通过将第一退火酸洗工段、第一产品收集工段、轧机14、第二退火酸洗工段、板型精整工段和第二产品收集工段等联合布置形成连续生产机组，可以满足热轧不锈钢卷、冷硬不锈钢卷、热轧钛卷及冷硬钛卷等带材的连续处理，直接生产不锈钢和钛材的卷材或板材产品，省去工序间钢卷的调运，提高了成材率，极大程度地节约工厂建设用地和工程投资。
实施例二
如图1，本发明实施例提供一种带材处理方法，该方法基于上述实施例一所提供的含二次轧程的带材处理生产线进行，其中，
处理热轧带材时，带材原料依次经开卷工段和第一退火酸洗工段处理后，所获得的产品通过所述第一产品收集工段收集；
处理冷轧带材或带材需要减薄处理时，带材原料依次经开卷工段、第一退火酸洗工段、轧机14、第二退火酸洗工段、板型精整工段处理后，所获得的产品通过所述第二产品收集工段收集。
该带材处理方法的相关内容在上述实施例一中已有述及，此处不作赘述。
实施例三
本发明实施例提供一种带材连续生产线上的带材切割方法，可以用于上述实施例一或实施例二中，用于将带材切割成板材产品。
该带材切割方法包括如下步骤：
在带材运行通道上方布置切割头301；
设计切割头运行路径，使切割头301在带材长度方向上保持与带材随动，并且在带材宽度方向上相对于带材作横移切割运动；
当带材运行到设定位置时，所述切割头301按所设计的切割头运行路径活动，对带材进行切割。
其中，可以采用热切割方式或水切割方式，热切割方式优选为采用激光切割方式，相应地，所述切割头301为激光切割头；对于水切割方式，上述切割头301对应地为水切割头/水刀。
显然地，上述切割头301需要能够移动，相应地，所述切割头301配置有切割头驱动机构，所述切割头驱动机构具有驱动所述切割头301在带材运行通道长度方向上运动的第一驱动行程以及驱动所述切割头301在带材运行通道宽度方向上运动的第二驱动行程。在其中一个实施例中，如图2，采用龙门式切割机，具体包括：
机床主机部分：包括龙门架303和活动座，龙门架303可以沿带材运行通道长度方向滑动，实现切割头301在X向的运动，活动座能在龙门架303上横移，实现切割头301在Y向的运动，进一步还可设置活动座能相对于龙门架303升降，实现切割头301在Z向的运动，可以辅助聚焦，提高切割头301的聚焦效率和聚焦精度。龙门架303的驱动以及活动座的驱动优选为采用伺服电机，能按照控制程序正确而精准的进行驱动；激光器302即安装在上述活动座上，激光器302发出的激光由切割头301出射至带材表面，实现带材切割操作；
数控系统：控制机床主机实现切割头301的X向、Y向、Z向运动，同时也控制激光器302的输出功率。
进一步地，上述切割机还包括抽风除尘机构，将加工时产生的烟尘和粉尘抽除并进行除尘处理，使废气排放符合环保要求。
进一步地，在带材输送通道下方还设有废料收集单元，该废料收集单元可配置排渣设备，便于将收集的废料及时排出。
如图4，由于切割头301同时具有带材长度方向上的运动和带材宽度方向上的运动，呈现出的切割头运行路径是相对于带材长度方向具有一夹角的斜向运行路径。
其中，上述切割头运行路径的设计考虑的因素主要包括带材规格、带材运行速度和切割时间等，由带材规格可以确定切割头301的起始运行位置，带材运行速度则主要决定切割头301的X向移动速度，切割时间要求结合带材规格则能确定切割头301的Y向移动速度。针对不同的工况，切割头运行路径会有差异，但所有切割头运行路径会在切割头301的两条边界运行路径范围之内(如图4所示)。
可以理解地，“使切割头301在带材长度方向上保持与带材随动”，即需要使切割头301的X向移动速度与带材运行速度保持一致。带材运行速度是由带材输送装置100所控制的，因此可使切割头驱动机构与带材输送装置100联锁控制，以保证上述随动要求，避免造成带材废料。
基于上述方法，本实施例可以实现带材处理生产线上的带材在线连续切割操作，无需停剪或飞剪，保证带材生产的可靠性和顺畅性，尤其适用于高强钢板的在线连续切割作业。
进一步优化上述方法，如图4，根据不同工况下的切割头运行路径所限定的切割头运行范围，将带材运行通道划分为切割区域110和非切割区域120，对切割区域110内的带材输送装置100进行保护设计。基于该设计，能较好地保护 带材输送装置100，对切割区域110和非切割区域120的带材输送装置100进行匹配性设计，可以有效地降低设备成本和维护成本。
在其中一个实施例中，在切割区域110，带材输送装置100的适于与带材接触的传送表面采用耐激光辐照的材料制成，例如在传送表面镀铜或形成其他耐激光辐照的材料层。上述结构能较好地保护带材输送装置100，避免激光穿过带材而烧蚀带材输送装置100，以及避免带材输送装置100出现表面缺陷而影响带材表面质量。
在其中一个实施例中，如图3和图4，在切割区域110，带材输送装置100包括沿带材运行通道长度方向依次排列的多个输送单元，每个输送单元包括安装在传动辊轴101上的至少一个第一输送滚盘102；传动辊轴101上安装有多个第一输送滚盘102时，各第一输送滚盘102在该传动辊轴101上依次间隔排列。
将各第一输送滚盘102间隔布置，可以减少可能出现在切割介质影响范围(例如激光辐照范围)内的带材输送设备，从而相应地减少带材切割过程中的带材输送装置100的损伤。另外，采用第一输送滚盘102作为输送设备，在保证对带材的可靠输送要求的前提下，第一输送滚盘102的更换也非常方便，将标准化生产的新的第一输送滚盘102替换出现缺陷的第一输送滚盘102即可，避免传统的辊式输送设备需要更换整个输送辊的情况，可以降低维护成本；相应地，第一输送滚盘102可拆卸地固定安装在传动辊轴101上。
在上述“传送表面采用耐激光辐照的材料制成”的方案中，相应地，第一输送滚盘102的外缘表面采用耐激光辐照的材料制成即可，也能显著地减少所需的耐激光辐照材料耗量。
在其中一个实施例中，如图3和图4，上述第一输送滚盘102中，其用于与带材接触的轮缘环的截面呈纺锤形，也即该轮缘环从内环向外环方向呈渐缩结 构，基于该结构，可进一步减小第一输送滚盘102与带材的接触范围，也即减小上述传送表面的面积，从而减少切割介质对带材输送设备所造成的损伤。
上述第一输送滚盘102可进一步包括芯环，该芯环套装在传动辊轴101上，上述轮缘环套装在该芯环上；其中，轮缘环与芯环之间优选为可拆卸连接，例如通过转接板将二者连接起来，转接板与轮缘环之间可通过螺栓等连接，转接板可焊接固定在芯环上，也可通过螺栓固定在芯环上。基于上述结构，可便于第一输送滚盘102的维护，即只需更换轮缘环即可，能有效地降低维护成本。
进一步地，如图3，在切割区域110内，裸露的传动辊轴101上(即未套装第一输送滚盘102的辊轴轴段上)套设有保护管105，防止切割过程中切割介质损伤该传动辊轴101，进一步降低维护成本。
进一步优选地，如图3和图4，所述传动辊轴101延伸至非切割区域120的轴段上安装有多个第二输送滚盘103。第二输送滚盘103的外周面优选为是圆柱环面，与带材具有相对较大的接触面积，保证对带材的可靠输送，同时可提高传动辊轴101的各个轴段受力均匀性，避免传动辊轴101发生扭转变形等缺陷。
其中，传动辊轴101上的各输送滚盘等间距排布，防止带材跑偏。
可以理解地，上述传动辊轴101的轴线平行于带材运行通道宽度方向，第一输送滚盘102和第二输送滚盘103优选为同轴安装在传动辊轴101上。上述传动辊轴101连接有驱动其绕自身轴线旋转的输送驱动机构104，该输送驱动机构104可采用齿轮马达或电机，优选为采用伺服马达或伺服电机。
优选地，切割工位前后的带材输送装置100也采用传动辊轴101套装多个输送滚盘的结构形式，在带材运行通道长度方向上，各传动辊轴101优选为等间距依次排列。进一步地，如图4，各组输送驱动机构104分别布置在带材输送通道的两侧，进一步优选为同侧相邻的两组输送驱动机构104之间具有一个传 动辊轴101；基于该设计，可以有效地防止带材跑偏。
在其中一个实施例中，对带材进行切割时，对切割缝两侧的带材施与压力，以防止切断的带材向上反弹，从而较好地保护切割设备。可以相应地配置带材压紧机构200，其中，为配合带材的运行和切割头301的运行，该带材压紧机构200的施压部应能保持与带材随动。
在其中一个实施例中，上述带材压紧机构200配置X向驱动结构，例如采用带有行走机构的压紧框架201并配备行走驱动结构(例如电机)，该压紧框架201可与龙门式切割机的龙门架303共用X向导轨，也可单独为其配置X向导轨；相应地，需在切割机的前后两侧分别设置带材压紧机构200。在另外的实施例中，该带材压紧机构200与切割机集成安装，例如上述压紧框架201安装在龙门式切割机的龙门架303上，由于需要对切割缝两侧的带材分别压紧，因此可在龙门架303的前后两侧分别设置安装支架，用以安装压紧框架201。
优选地，如图2和图5，上述带材压紧机构200包括压梁202和用于驱动压梁202升降的压下驱动结构203，该压下驱动结构203可以驱动压梁202在工作位与待机位之间活动，在工作位，压梁202压靠在带材表面，待机位则位于工作位上方。其中，压梁202可采用板面平行于水平面的压板，当然压辊等也适用于本实施例中。上述压下驱动结构203可采用气缸、液压缸等直线驱动设备，或采用电机+传动组件等驱动方式。上述压下驱动结构203安装在压紧框架201上并与压梁202连接。
优选地，如图5，在压紧框架201上设有导向结构，用于对压梁202的升降运动进行导向，提高压梁202的升降平稳性和可靠性；该导向结构可采用导向杆2041-导向套2042的导向方式，也可采用导向滑轨-导向滑块的导向方式，此处不作一一例举。本实施例中，如图5，在压梁202上安装多个导向杆2041， 在压紧框架201上相应地设置多个导向孔；进一步可在导向孔内安装导向套2042，优选地，至少部分导向套2042采用自润滑套。
其中，可在导向杆2041上设置上限位块，用以限制导向杆2041的下降行程，从而可以限制压梁202的下降行程，防止压梁202与压紧框架201分离；还可在导向杆2041上设置下限位块，用以限制导向杆2041和压梁202的上升行程。
进一步地，如图5，上述带材压紧机构200还包括缓冲结构，该缓冲结构设置在压梁202与压紧框架201之间，一方面可以在对带材施与压力时提高压力自适应性，另一方面，可以有效地缓冲带材的反弹作用力，减轻对压下驱动结构203等的冲击。在其中一个实施例中，如图5，上述缓冲结构包括多组缓冲弹簧205，缓冲弹簧205的顶端与压紧框架201抵接、底端与压梁202抵接；在上述设有导向杆2041的方案中，可使缓冲弹簧205套设在导向杆2041上，可以约束缓冲弹簧205仅发生竖向伸缩活动。进一步地，在压紧框架201的底部设有多个沉槽，沉槽与缓冲弹簧205数量相同并且一一对应配置，缓冲弹簧205的顶端收容在对应的沉槽内，可以提高缓冲弹簧205的竖向伸缩活动的平稳性和可靠性；在压紧框架201上设置多个导向孔的方案中，该导向孔相应地可采用上窄下宽的阶梯孔，该阶梯孔的大直径孔段即构成为上述的沉槽。
在其中一个实施例中，如图6和图7，在压紧框架201上还设有导向板206，该导向板206安装在压紧框架201的前端(也即来钢侧端部)，该导向板206的底端优选为不高于压梁待机位所在水平面。该导向板206的底面优选为是倾斜导向面，该倾斜导向面自导向板206的前端向后端向下倾斜(也即该导向面的前端位于后端的上方)。当带头通过时，导向板206可以防止带头上翘过大而损坏压板，并且能辅助穿带，提高生产效率。对于切割机前后分别设有压紧框架 201的情况，优选为仅对切割机前侧的压紧框架201配置导向板206。
在其中一个实施例中，上述压梁202为电磁铁制成的梁体，或者在压梁202上设有电磁铁，该电磁铁的控制电源可安装在压紧框架201上，也可以通过压紧框架201布线而与外部电源连接。基于上述结构，在压梁202压下时，电磁铁得电，可以使压梁202吸附压靠在带材表面，显著地提高对带材的压紧效果和运行同步性。
本发明实施例相应地还提供一种带材切割装置，可以用于上述实施例一或实施例二中，用于将带材切割成板材产品，具体的设置位置已有述及，此处不作赘述。
该带材切割装置包括：
布置在带材运行通道上方的切割头301，所述切割头301配置有切割头驱动机构，所述切割头驱动机构具有驱动所述切割头301在带材运行通道长度方向上运动的第一驱动行程以及驱动所述切割头301在带材运行通道宽度方向上运动的第二驱动行程；
控制器，所述控制器用于接收切割指令，并在带材运行到设定位置时控制所述切割头驱动机构工作以使所述切割头301按预设的切割头运行路径活动并对带材进行切割，所述切割头运行路径满足使切割头301在带材长度方向上保持与带材随动并且在带材宽度方向上相对于带材作横移切割运动。
其中，上述控制器可集成至生产线的中控室中。
上述切割头301优选为是激光切割头。
上述带材切割装置的相关组成及结构可参见前述相关内容，此处不作赘述。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发 明的保护范围之内。

Claims (10)

  1. 一种含二次轧程的带材处理生产线，包括沿带材运行方向依次衔接布置的开卷工段、第一退火酸洗工段和第一产品收集工段，其特征在于：还包括沿带材运行方向依次衔接布置的轧机、第二退火酸洗工段、板型精整工段和第二产品收集工段，所述第一产品收集工段与所述轧机之间通过带材转运结构衔接。
  2. 如权利要求1所述的含二次轧程的带材处理生产线，其特征在于：所述第二退火酸洗工段包括氩气保护快速加热退火炉和轻酸洗单元，所述氩气保护快速退火炉采用电阻炉或感应加热炉。
  3. 如权利要求2所述的含二次轧程的带材处理生产线，其特征在于：所述轻酸洗单元包括中性盐电解段和混酸酸洗段。
  4. 如权利要求1所述的含二次轧程的带材处理生产线，其特征在于：所述轧机采用在线18辊轧机或者小辊径6辊连轧机。
  5. 如权利要求1所述的含二次轧程的带材处理生产线，其特征在于：所述第一产品收集工段包括第一卷取机和第一板材收集装置，所述第一卷取机与所述第一板材收集装置之间通过过渡导板衔接；和/或，所述第二产品收集工段包括第二卷取机和第二板材收集装置，所述第二卷取机与所述第二板材收集装置之间通过过渡导板衔接。
  6. 如权利要求1所述的含二次轧程的带材处理生产线，其特征在于：所述开卷工段包括双开卷机和焊机，两台开卷机均与所述焊机衔接。
  7. 一种带材处理方法，其特征在于，该方法基于权利要求1至6中任一项所述的含二次轧程的带材处理生产线进行，其中，
    处理热轧带材时，带材原料依次经开卷工段和第一退火酸洗工段处理后，所获得的产品通过所述第一产品收集工段收集；
    处理冷轧带材或带材需要减薄处理时，带材原料依次经开卷工段、第一退 火酸洗工段、轧机、第二退火酸洗工段、板型精整工段处理后，所获得的产品通过所述第二产品收集工段收集。
  8. 如权利要求7所述的带材处理方法，其特征在于：所述带材为不锈钢或钛材。
  9. 如权利要求7所述的带材处理方法，其特征在于：所述第一产品收集工段和所述第二产品收集工段收集的产品为卷材或板材。
  10. 如权利要求7所述的带材处理方法，其特征在于：所述第二退火酸洗工段包括氩气保护快速加热退火炉和轻酸洗单元，所述氩气保护快速退火炉采用电阻炉或感应加热炉；所述轻酸洗单元包括中性盐电解段和混酸酸洗段，其中，混酸酸洗段采用HF与HNO3的混合酸洗液。
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