CN202779250U - Full-continuous magnesium alloy strip coil finishing device - Google Patents

Full-continuous magnesium alloy strip coil finishing device Download PDF

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Publication number
CN202779250U
CN202779250U CN 201220356747 CN201220356747U CN202779250U CN 202779250 U CN202779250 U CN 202779250U CN 201220356747 CN201220356747 CN 201220356747 CN 201220356747 U CN201220356747 U CN 201220356747U CN 202779250 U CN202779250 U CN 202779250U
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China
Prior art keywords
roll
magnesium alloy
alloy strip
strip coil
coil
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Expired - Lifetime
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CN 201220356747
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Chinese (zh)
Inventor
刘华强
唐荻
江海涛
余伟
米振莉
胡水平
蔡庆伍
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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Abstract

The utility model relates to a full-continuous magnesium alloy strip coil finishing device which belongs to the field of a magnesium alloy material. A magnesium alloy strip coil is uncoiled through an uncoiling device and enters a heat and tail cutting and welding device through a tensional pinch roll and enters a pair of bilateral scissors to be trimmed. The trimmed magnesium alloy strip coil enters a multi-roll straightener to be straightened and enters a cleaning device to be cleaned through the tensional pinch roll after being straightened; and then the cleaned magnesium alloy strip coil enters into a wringing roller to be wrung to drain the cleaning liquid; then, the magnesium alloy strip coil is blown and dried and passes through a tensional roll group; after being heated to a set temperature through a pre-heating device, the magnesium alloy strip coil enters a stretching-bending straightener group to improve the shape quality of the plate; after being straightened, the magnesium alloy strip coil enters an oiling device to be oiled through the tensional roll group and the tensional pinch roll; and the magnesium alloy strip coil enters into a recoiling machine through a deflective pinch roll after being sheared, and thus the finishing process of the strip coil is finished. The full-continuous magnesium alloy strip coil finishing device provided by the utility model has the advantages of high surface quality, good plate shape, high yield and the like, and can met the demand on quality of surface and plate of a magnesium alloy strip coil product, so that the device provided by the utility model is beneficial to transport and storage of the strip coils.

Description

A kind of complete continuously magnesium alloy strip coil calibration devices
Technical field
The utility model relates to the magnesium alloy materials field, the particularly removing surface of magnesium alloy strip coil, side cut, on-line heating stretch-bend leveller and be coated with the technology and devices such as oil guard.This is equipped for and obtains high-quality finished surface and plate shape, and is that transportation and the deep processing operations such as follow-up punching press and coating create conditions.
Background technology
Rolling magnesium alloy sheet roll coil of strip product belongs to magnesium alloy deep processing industry, is new material industry and encourage growth project that country supports.The rolling magnesium alloy board of high-performance be directly make or be processed into through shaping have conduction, the main material of the fine structure part of the several functions such as heat radiation, damping, noise control, energy-conservation, lightweight, mainly for the production of electronics and IT products (such as computer, communication, consumption electronic product etc.) housing, automotive electronics shell, framework, instrument board, household electrical appliances and war products etc.This material has the advantages such as added value height and environmental protection.
It is the production link that magnesium alloy strip coil product machining needs that finishing is processed.Process by finishing, its cleaning function can wash the residual rolled lubricating oil in rolling rear surface and magnesium ash etc.; Because the magnesium alloy elastic modelling quantity is less, the elastic limit bending radius of the roll coil of strip is little during aligning, the smoothing roll that needs to be equipped with than the pony roll footpath could satisfy the aligning requirement, therefore by improving plate shape and the surface quality of band behind the stretch-bend leveller of the preheating roll coil of strip and thinner working roll; Shear the possibility that reduces the appearance fracture of following process limit section by limit section.Advanced, reliable, ripe roll coil of strip calibration devices and technique are to improve the important step of plate shape, surface quality and follow-up Sheet Metal Forming Technology and the process for surface coating of magnesium alloy strip coil product.
Technological process is: on wind off, crop end welding, side cut, aligning, cleaning, purging, preheating, stretch-bend leveller, oiling, cut and batch.
Summary of the invention
The utility model involves in capable rolling side cut, surface clean, stretch-bend leveller and is coated with the wet goods problem for solving rolling magnesium alloy thin plate and band, thereby satisfy limit section, surface quality and the strip shape quality of deformed magnesium alloy tape volume, be convenient to the transportation of magnesium alloy plate and belt and storage, directly use or requirement that the deep processing operations such as follow-up punching press and face coat are processed.
A kind of complete continuously magnesium alloy strip coil finishing treating apparatus comprises uncoiler; The first deflection pinches transfer roller; The first tension force pinch roll; The crop end welder; End trimming shears; Multiple roll smoothing roll group; The second tension force pinch roll; Roll coil of strip cleaning device; Wringing roller; Purge drying unit; The first jockey pulley group device; The on-line heating device; The stretch-bend leveller device; The second jockey pulley group device; The 3rd tension force pinch roll; Oiling station; Cut and cut; The second deflection pinch roll; Coiling machine.
Uncoiler; The first deflection pinches transfer roller; The first tension force pinch roll; The crop end welder; End trimming shears; Multiple roll smoothing roll group; The second tension force pinch roll; Cleaning device; Wringing roller; Purge drying unit; The first jockey pulley group device; The on-line heating device; The stretch-bend leveller device; The second jockey pulley group device; The 3rd tension force pinch roll; Oiling station; Cut and cut; The second deflection pinch roll; Coiling machine respectively along magnesium alloy strip to penetrate direction arranged sequentially.
Adopt the above-mentioned complete continuously finely finishing method of magnesium alloy strip coil finishing treating apparatus to be: after will carrying out the magnesium alloy strip coil affirmation of finishing processing, be placed into and carry out threading on the uncoiler, the tie of band is opened, and start uncoiler, pinch transfer roller and the first tension force pinch roll by the first deflection, the roll coil of strip is delivered to crop end and welder carry out that head (or afterbody) is sheared and welding, carry out the bilateral shearing of the roll coil of strip through end trimming shears, align through multiple roll smoothing roll group, enter roll coil of strip cleaning device through the second tension force pinch roll and carry out surface clean, the roll coil of strip is after wringing roller is extracted surface cleaning liquid after cleaning, through purging drying unit with skin drying, through the first jockey pulley group device, after the on-line heating device is heated to the temperature of aligning with band, enter the stretch-bend leveller device, through the second jockey pulley assembling postpone, begin to carry out stretch-bend leveller after forming stable stretch-bend leveller tension force, band is through the 3rd tension force pinch roll behind the aligning, enter oiling station and carry out oiling, cut when threading (do not shear for the first time) by cutting through the oiling roll coil of strip, behind the second deflection pinch roll, enter coiling machine and begin the finishing roll coil of strip; If weld seam approaches and cuts when cutting, carry out the roll coil of strip and cut by cutting to cut by relevant logistics following function, after cutting the roll coil of strip is unloaded from coiling machine, continuation will be after cutting shearing roll coil of strip head behind the second deflection pinch roll, enter coiling machine and carry out batching of the follow-up roll coil of strip, realize the finishing of the whole roll coil of strip.
Roll coil of strip cleaning device of the present utility model is comprised of the tight squeeze roll of two roll-ins, roller brush machine, circulation cleaning system and gas extraction system etc., as shown in Figure 2:
Compress squeeze roll and adopt two rubber rollers, top roll is depressed passive rotation by cylinder, makes the upper and lower surface of magnesium alloy strip coil carry the transmission of lower roll alternating-current variable frequency motor in spray liquid.
Roller brush machine adopts two nylon plate-like brush roll to connect by motor, star coupling, and reverse (or forward) rotary-cleaning magnesium plate is with the greasy dirt of removing roll coil of strip surface etc.Dispose pinch roll in the outlet of brush roll entrance, in the process of scrubbing, pushed down magnesium alloy strip coil, avoided coiled material when scrubbing, to play pendulum.
Circulation cleaning system comprises degreasing and washing; Formed by liquid reserve tank, canopy body, feed pipe, water circulating pump, circulation line, rinsing bowl, shower, nozzle; Feed pipe is equipped with return duct, automatically adjustable jet tube water flow pressure and water spraying direction; The washing heat source is Steam Heating; The used liquid of degreasing all passes through Steam Heating, and Water Pump Circulation System is arranged, in order to remove degreaser and to obtain clean surface; The tank liquor circulated sprinkling clean plate belt surface of rinsing bowl adds fresh water and directly sprays roll coil of strip surface by nozzle, and the tank liquor temperature of rinsing bowl can be controlled automatically; The circulation line pipe fitting adopts stainless steel; The canopy body adopts the stainless steel sheet metal component, the internal placement reinforcement, and the centre is the 50mm thick insulation layer; Cleaning spraying device can be controlled cleaning quality by quantity and the angle of adjusting clear liquid wash amount, pressure, temperature, nozzle.
The exhaust apparatus of circulation cleaning system comprises air exhauster and stainless steel pipeline, and steam-water separator etc. can discharge in a organized way to the steam that cleans.
By purging drying unit 10 shown in Figure 1, formed by blower fan, blower, exhausting filter and heat exchanger; Then the cleaned air that filters through the exhausting filter blows to roll coil of strip surface by blower by heat exchanger heats to 60~80 ℃, dries up the steam on roll coil of strip surface.
This device can carry out centre finishing and finished product finishing to magnesium alloy strip coil.Middle finishing is to carry out finishing behind the magnesium alloy strip coil mill-annealed or before rolling to finished product, purpose is to eliminate that rolling plate shape to occur bad or the edge crack situation is arranged, and perhaps is used for eliminating because the existence of ROLLING OIL and magnesium ash and Annealing oil stain etc. occurs in subsequently annealing; It is rear owing to plate shape undesirable condition appears in the residual stress elimination also to be conducive to simultaneously eliminate annealing; For good plate shape, limit section and surface quality condition are created in further rolling processing.The finished product finishing can be processed processing to the finished product roll coil of strip after rolling or after the annealing; by cutting edge; cleaning improves surface quality; stretch-bend leveller improves the finished product strip shape quality and surface protection is carried out in oiling, thereby satisfies the requirement that the roll coil of strip transports, directly uses or satisfy the deep processing operations processing such as follow-up punching press and face coat.
This device can be cut edge, cleans or be coated with the wet goods device according to the difference of finishing roll coil of strip quality being required to select separately or using simultaneously, thereby this calibration devices has continuous high-efficient, flexibly and the advantage such as high product quality.
The utility model adopts advanced solder technology, seam that can be good after guaranteeing to shear end to end, and weld seam satisfies the required tension limit of technique, and joint welding thickness satisfies the equipment and process requirement simultaneously.
The entablature of the utility model multi-roll straightening machine has the vertical and horizontal tilt adjusting function, can guarantee that by adjusting the roll gap gap outlet roll coil of strip is straight according to the demand of the supplied materials roll coil of strip, cleans the requirement with roll bending shape to satisfy.Straightener has the backing intermediate calender rolls and backing roll is aligned the rigidity of working roll and carried out the convexity regulatory function with assurance, guarantees that also the aligning strip surface is bright and does not have the backing roll impression.
If the aligning working roll is oversize when the aligning wide plate, rigidity is then inadequate; Usually the rigidity that keeps working roll with backing roll; If when aligning book plate, the wave that eliminate plate shape need to change with backing roll the convexity of working roll.Because backing roll mostly is dish type (similar a plurality of bearing series connection), in the long-term work work roll surface is forced out vestige, if at this moment the surface requirements of aligning workpiece is bright, and the roll surface impression probably stays strip shadow even impression at surface of the work.Therefore add-arrange intermediate calender rolls in the middle of this device busy roller and the backing roll, isolate the transmission of above-mentioned impression with intermediate calender rolls.The specific works mode of intermediate calender rolls is: at the thin intermediate calender rolls of working roll and backing roll sandwich one row, intermediate calender rolls adopts the dancer mode, is provided with axle journal, with around thick roller surround can only with then can not be shifted.They keep apart impression and working roll that the dish-like support roller may cause, and the easy reconditioning of these intermediate calender rolls and replacing.
The on-line heating device adopts on-line automatic heated for controlling temperature, comprises induction heating apparatus 37, temperature measurement on-line device 38, can control preheating roll coil of strip temperature and according to roll coil of strip THICKNESS CONTROL preheating speed, obtain the straightening temperature that needs to guarantee magnesium alloy strip coil.
Thin magnesium alloy strip coil is directly limited with the bad impact of plate shape and is difficult to reach the quality requirement that improves plate shape fully because aligning working roll when aligning.The elastic limit bending radius of the roll coil of strip is ρ= Eh/ 2 σ, wherein EBe the elastic modelling quantity of the roll coil of strip, hBe thickness, σYield strength for the roll coil of strip.The elastic limit bending radius formula of the roll coil of strip is arranged as can be known, thinner at the roll coil of strip, need the working roll roller footpath of aligning less in the higher situation of yield strength.For remedying the difficulty that adopts tiny working roll roller directly to bring, this device is by adopting the on-line heating device that band is heated to uniform temperature, by reducing σAnd guarantee that band is not carried out stretch-bend leveller under the process conditions of drawing down, can adopt larger-diameter smoothing roll to finish.Usually magnesium alloy strip coil is heated to about 300 ℃ and can satisfies the straightening process demand.On-line automatic temperature control heating device as shown in Figure 3.
The stretch-bend leveller device of this device makes band bear the active force of alternating bending in the bearing tension effect, its longitudinal fiber must be uneven in length when utilizing Strip Shape bad, return to stable state and uneven in length fiber is also inevitable when being subject to plastic elongation and reaching length and lay down external force after equating with the basic spring-go amount that equates, to arrive the aligning purpose.When tension straingtening, control the size of aligning front and back tension force by the jockey pulley group before and after the stretching-straightening device, have and produce continuous, high efficiency, the little and levelling quality advantages of higher of power consumption.
Stretch-bend leveller device of the present utility model adopt 7 working rolls and 10 backing rolls arrangement of roller system (as Fig. 1 12 shown in), by the alternating bending aligning, easier raising band is to the straightening quality of plate shape.
The utility model device has oiling and carries out the surface-treated function, is batching that the middle changing of the relative positions scratches and the phenomenon such as corrosion in transportation and in storing to avoid coiled material.
At present magnesium alloy cleaning and leveling realize that with single chip mode efficient is low, and lumber recovery is not high; And adopt the utility model device can greatly improve roll coil of strip finishing lumber recovery and production efficiency, can realize the finishing effect of different quality requirement simultaneously.Have good market range of application and prospect.
Description of drawings
Fig. 1 is complete continuously magnesium alloy strip coil calibration devices schematic diagram:
Uncoiler 1; The first deflection pinches transfer roller 2; The first tension force pinch roll 3; Crop end welder 4; End trimming shears 5; Multiple roll smoothing roll group 6; The second tension force pinch roll 7; Roll coil of strip cleaning device 8; Wringing roller 9; Purge drying unit 10; The first jockey pulley group device 11; On-line heating device 12; Stretch-bend leveller device 13; The second jockey pulley group device 14; The 3rd tension force pinch roll 15; Oiling station 16; Cut and cut 17; The second deflection pinch roll 18; Coiling machine 19.
Fig. 2 is roll coil of strip cleaning device schematic diagram:
The first squeeze roll 20; The first degreasing spray 21; The second squeeze roll 22; The second degreasing spray 23; The 3rd squeeze roll 24; The 3rd degreasing spray 25; The 4th squeeze roll 26; The first pinch roll 27; The first roller brush 28; The second pinch roll 29; Second roller brush 30; The 3rd pinch roll 31; The 3rd roller brush 32; The 4th pinch roll 33; The 5th squeeze roll 34; Washing spray 35; Exhaust apparatus 36.The magnesium alloy strip coil traffic direction as shown in Figure 2.
Fig. 3 is on-line automatic heating and temperature controlling device schematic diagram;
Induction heating apparatus 37; Temperature measurement on-line device 38.
The specific embodiment
After will carrying out the magnesium alloy strip coil affirmation of finishing processing, be placed into and carry out threading on the uncoiler 1, the tie of band is opened, and start uncoiler, pinch transfer roller 2 and the first tension force pinch roll 3 by the first deflection, the roll coil of strip is delivered to crop end and welder 4 carry out that head (or afterbody) is sheared and welding, carry out the bilateral shearing of the roll coil of strip through end trimming shears 5, align through multiple roll smoothing roll group 6, enter roll coil of strip cleaning device 8 through the second tension force pinch roll 7 and carry out surface clean, the roll coil of strip is after wringing roller 9 is extracted surface cleaning liquid after cleaning, through purging drying unit 10 with skin drying, through the first jockey pulley group device 11, after on-line heating device 12 is heated to the temperature of aligning with band, enter stretch-bend leveller device 13, behind the second jockey pulley group device 14, begin to carry out stretch-bend leveller after forming stable stretch-bend leveller tension force, band is through the 3rd tension force pinch roll 15 behind the aligning, enter oiling station 16 and carry out oiling, cut 17 by cutting when threading (for the first time do not shear) through the oiling roll coil of strip, behind the second deflection pinch roll 18, enter the coiling machine 19 beginning finishing roll coil of strips; If approaching to cut, weld seam cuts at 17 o'clock, cut 17 and carry out the roll coil of strip and cut by cutting by relevant logistics following function, after cutting the roll coil of strip is unloaded from coiling machine 19, continuation will through cut cut 17 shear after roll coil of strip head behind the second deflection pinch roll 18, enter coiling machine 19 and carry out batching of the follow-up roll coil of strip.
Show based on above-mentioned: this device can realize having great surface quality, plate shape is good, the lumber recovery advantages of higher, can satisfy quality requirements such as the surface of magnesium alloy strip coil finishing product and plate shapes.

Claims (4)

1. complete continuously magnesium alloy strip coil calibration devices, its feature comprises: uncoiler (1); The first deflection pinches transfer roller (2); The first tension force pinch roll (3); Crop end welder (4); End trimming shears (5); Multiple roll smoothing roll group (6); The second tension force pinch roll (7); Roll coil of strip cleaning device (8); Wringing roller (9); Purge drying unit (10); The first jockey pulley group device (11); On-line heating device (12); Stretch-bend leveller device (13); The second jockey pulley group device (14); The 3rd tension force pinch roll (15); Oiling station (16); Cut and cut (17); The second deflection pinch roll (18); Coiling machine (19);
Wherein, uncoiler (1); The first deflection pinches transfer roller (2); The first tension force pinch roll (3); Crop end welder (4); End trimming shears (5); Multiple roll smoothing roll group (6); The second tension force pinch roll (7); Roll coil of strip cleaning device (8); Wringing roller (9); Purge drying unit (10); The first jockey pulley group device (11); On-line heating device (12); Stretch-bend leveller device (13); The second jockey pulley group device (14); The 3rd tension force pinch roll (15); Oiling station (16); Cut and cut (17); The second deflection pinch roll (18) and coiling machine (19) respectively along magnesium alloy strip to penetrate direction arranged sequentially.
2. a kind of complete continuously magnesium alloy strip coil calibration devices as claimed in claim 1 is characterized in that:
Roll coil of strip cleaning device is comprised of the tight squeeze roll of two roll-ins, roller brush machine, circulation cleaning system and gas extraction system, compress squeeze roll and adopt two rubber rollers, top roll is depressed passive rotation by cylinder, makes the upper and lower surface of magnesium alloy strip coil carry the transmission of lower roll alternating-current variable frequency motor in spray liquid;
Roller brush machine adopts two nylon plate-like brush roll to connect by motor, star coupling, reverse or rotary-cleaning magnesium plate forward; Disposed pinch roll in the outlet of brush roll entrance;
Circulation cleaning system comprises degreasing and washing; Formed by liquid reserve tank, canopy body, feed pipe, water circulating pump, circulation line, rinsing bowl, shower, nozzle; Feed pipe is equipped with return duct; The washing heat source is Steam Heating, and the used liquid of degreasing all passes through Steam Heating, and Water Pump Circulation System is arranged; The tank liquor circulated sprinkling clean plate belt surface of rinsing bowl adds fresh water and directly sprays roll coil of strip surface by nozzle; The circulation line pipe fitting adopts stainless steel; The canopy body adopts the stainless steel sheet metal component, the internal placement reinforcement, and the centre is the 50mm thick insulation layer;
The exhaust apparatus of circulation cleaning system comprises air exhauster and stainless steel pipeline, steam-water separator.
3. a kind of complete continuously magnesium alloy strip coil calibration devices as claimed in claim 1 is characterized in that the on-line heating device adopts on-line automatic heated for controlling temperature, comprises induction heating apparatus (37), temperature measurement on-line device (38).
4. a kind of complete continuously magnesium alloy strip coil calibration devices as claimed in claim 1 is characterized in that purging drying unit (10) and is comprised of blower fan, blower, exhausting filter and heat exchanger.
CN 201220356747 2012-07-20 2012-07-20 Full-continuous magnesium alloy strip coil finishing device Expired - Lifetime CN202779250U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102764790A (en) * 2012-07-20 2012-11-07 北京科技大学 Completely continuous magnesium alloy strip coil finishing device and finishing method
CN103639708A (en) * 2013-11-20 2014-03-19 重庆环际低碳节能技术开发有限公司 Equipment for machining spiral bands
CN111673378A (en) * 2020-05-25 2020-09-18 广西先进铝加工创新中心有限责任公司 Production method and system of aluminum alloy coiled material/plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102764790A (en) * 2012-07-20 2012-11-07 北京科技大学 Completely continuous magnesium alloy strip coil finishing device and finishing method
CN102764790B (en) * 2012-07-20 2015-04-01 北京科技大学 Completely continuous magnesium alloy strip coil finishing device and finishing method
CN103639708A (en) * 2013-11-20 2014-03-19 重庆环际低碳节能技术开发有限公司 Equipment for machining spiral bands
CN103639708B (en) * 2013-11-20 2017-01-04 重庆环际低碳节能技术开发有限公司 Spiral band process equipment
CN111673378A (en) * 2020-05-25 2020-09-18 广西先进铝加工创新中心有限责任公司 Production method and system of aluminum alloy coiled material/plate

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Granted publication date: 20130313