CN108787780A - The production line of even volume production magnesium alloy board volume squeezes in a kind of company - Google Patents
The production line of even volume production magnesium alloy board volume squeezes in a kind of company Download PDFInfo
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- CN108787780A CN108787780A CN201710283690.XA CN201710283690A CN108787780A CN 108787780 A CN108787780 A CN 108787780A CN 201710283690 A CN201710283690 A CN 201710283690A CN 108787780 A CN108787780 A CN 108787780A
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- Prior art keywords
- pinch roller
- heating device
- magnesium alloy
- roll surface
- volume
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 128
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 107
- 238000010438 heat treatment Methods 0.000 claims abstract description 126
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 36
- 229910052749 magnesium Inorganic materials 0.000 abstract description 31
- 239000011777 magnesium Substances 0.000 abstract description 31
- 239000004033 plastic Substances 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 30
- 238000005096 rolling process Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 16
- 238000009826 distribution Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 239000000956 alloy Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000005098 hot rolling Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001192 hot extrusion Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010015535 Euphoric mood Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- HZZOEADXZLYIHG-UHFFFAOYSA-N magnesiomagnesium Chemical compound [Mg][Mg] HZZOEADXZLYIHG-UHFFFAOYSA-N 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/225—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by hot-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
- B21B2261/21—Temperature profile
Abstract
The invention discloses the production lines that even volume production magnesium alloy board volume squeezes in a kind of company, including：Extruder；Centering pinch roller is set to the exit of the extruder；The roll surface heating device of centering pinch roller, heats the roll surface of centering pinch roller；Tension pinch roller is set to the downstream of centering pinch roller；The roll surface heating device of tension pinch roller, heats the roll surface of tension pinch roller；Hot transfer roller, the conveying direction along production line are set gradually；Controlling temp type coiling machine comprising：Reel, mandrel surface heating device heat the surface of reel；Help volume and its roll surface heating device；First strip heating device, corresponds to controlling temp type coiling machine and the upstream set on controlling temp type coiling machine, the first strip heating device heat the magnesium alloy board that will enter controlling temp type coiling machine；Control unit is used to control the heating temperature of magnesium plate and contact roller in entire producing line, it is ensured that magnesium plate generates scheduled volume bending deformation in its optimum plastic deformation temperatures section.
Description
Technical field
The present invention relates to a kind of production line more particularly to a kind of production lines producing magnesium-alloy material.
Background technology
With Global Urbanization, industrialized development, the vehicles and aircraft ownership rapid increase.However, this band
The huge challenge of energy consumption and low carbon development is carried out.Lightweight is the effective hand for reducing vehicles energy consumption, reducing carbon emission
Section.Magnesium alloy is light metal structure material, and the density of pure magnesium is 1.74g/cm3, only the 1/4 of steel, the 2/3 of aluminium, therefore use
Magnesium alloy manufacture parts weight loss effect is apparent, can significantly reduce energy consumption.
In recent years, the demand of the fields to magnesium alloy plate such as aerospace, automobile and rail friendship continues to increase.The heat of magnesium alloy
Extrudability is good, and extruding is the cost-effective method of thick magnesium plate in production, and thick magnesium plate middle at present is mainly produced by hot extrusion.This
Outside, if will squeeze, magnesium plate is further processed into thin magnesium sheet or thin magnesium is rolled up, and can greatly improve the application range of magnesium material, expand lightweight
The lightweight loss of weight demand of every profession and trade is realized in the market of alloy extensively.Part 3C Product shell, automotive seats chair basin, vapour at present
Interior liner plate etc. is prepared using magnesium alloy sheet.Sheet band or coiled sheet generally use rolling mill practice production, i.e., by slab into
Row multi- pass rolling, gradually reduces plate thickness, finally obtains required thin plate.It is easy to roll with common steel, aluminium alloy etc.
It is different to make molding material, when magnesium alloy rolling is also easy to produce crack defect.The reason is that the crystal structure of magnesium is close-packed hexagonal knot
Structure (hcp), slip system is few, and plasticity is very poor at room temperature；And the crystal structure of steel, aluminium is respectively body-centered cubic (bcc) and the center of area
Cube (fcc) structure, slip system is more at room temperature, and plasticity is preferable.It is thus typically necessary to magnesium alloy is heated to 200 DEG C or more,
Rolling can be just smoothed out.But magnesium alloy heating temperature can not be excessively high, otherwise crystal grain can seriously be roughened, and mechanical property is substantially
Degree declines.
In addition, other than heating temperature, tension is also an important factor for influencing magnesium alloy plate quality.Because in processing magnesium
Magnesium plate temperature is high when alloy sheets, and intensity is low, if not applying tension to plank, plank is easily bent, it is therefore desirable to become in rolling
Tension is applied to magnesium plate or magnesium ribbon during shape.But since magnesium sheet material intensity is relatively low, if the overtension applied, plank can quilt
It draws deformation, be even pulled off.
Notification number is CN101821025A, and the day for announcing is September in 2010 1, entitled " magnesium hot-rolling method and magnesium hot rolling dress
Set " Chinese patent literature disclose it is a kind of magnesium plate be sent into singlestandmill carry out reciprocal tension free rolling, finally batch
Magnesium plate hot-rolling method and device.In technical solution disclosed in the patent document, the single chassis multi-pass of use bites repeatedly
Reciprocal tension free rolling mode have the disadvantage that：1. biting the size that mode will inevitably lead to thickness direction repeatedly
Precision is low, the uneven thickness of plank；2. tension free rolling the result is that deformed steel strip, plank out-of-flatness, have wave at easy warpage；
3. with the mode of this single chassis repeat-rolling, since strip the more is rolled the more thin, the producing line needed is just very long；4. stinging repeatedly
Enter, milling train frequent start-stop leads to low production efficiency.In addition, in technical solution disclosed in the patent document without reference to how
The problem of obtaining magnesium plate supplied materials.
Notification number is CN102773255A, and the day for announcing is on November 14th, 2012, a kind of entitled " magnesium alloy thin plate and band volume
The Chinese patent literature of continuous asymmetrical rolling device " discloses a kind of device by magnesium volume temperature control asymmetrical rolling production magnesium volume, i.e.,
A kind of production process of " volume → volume ".But in the technical solution disclosed in the patent document, only front end to magnesium ribbon into
Row heating, does not have to need relatively narrow temperature range that could apply plastic deformation for magnesium alloy materials during asymmetrical rolling
Feature carries out temperature control to roll and into the rolled piece before roll, that is, is not controlled into trip temperature contact in rolling, therefore should
Technical solution is not easy to become a useful person.In addition, the technical solution disclosed in the patent document does not refer to how temperature control generates magnesium volume (i.e. magnesium
The problem of supplied materials of volume).
Notification number is CN103639199A, and the day for announcing is on March 19th, 2014, in entitled " magnesium alloy hot-rolling mill "
State's patent document provides a kind of magnesium alloy hot-rolling mill (100), and energy is provided at both ends in the entrance side and outlet side of milling train (3)
Enough coiling machines (1,2) that the magnesium alloy plate (S) of each coiled material state is heated and kept the temperature, successively by multiple reversions rolling
Thickness pressure is carried out to magnesium alloy plate, milling train (3) has the work that surface temperature can heat and be warming up to certain certain temperature
Roller (3a) and back up roll (3b).However, the patent document is it is not disclosed how temperature control generates metallic coil.
Notification number is CN105834214A, and the day for announcing is August in 2016 10, the entitled " temperature control of production metal plate coils
The Chinese patent literature of rolling equipment " improves a kind of temperature-controlled rolling production equipment of coiled metal sheet band and strip in razor-thin.At this
In technical solution disclosed in patent document, describe a kind of equipment that metallic coil is produced by metallic coil temperature control, i.e., a kind of " volume →
The production process of volume ".But for how to generate metal plate coils, it is especially desirable to the magnesium that can be just batched in certain temperature range
It rolls up, is not directed in the technical solution disclosed in the patent document.
Invention content
Magnesium alloy thin coiled sheet is prepared for current rolling and its is curled into various problems existing for the process of magnesium volume, this hair
The bright first purpose is to provide a kind of production line of the crowded even volume production magnesium alloy board volume of company, special according to magnesium alloy materials deformation
Property, magnesium alloy sheet is obtained by hot extrusion and further temperature control batches to obtain that board surface quality is high, plate shape is good, thickness compared with
Thin magnesium alloy board volume.
To achieve the goals above, the present invention proposes a kind of production line of the crowded even volume production magnesium alloy board volume of company, wraps
It includes：
Extruder；
Centering pinch roller is set to the exit of the extruder；
The roll surface heating device of centering pinch roller, heats the roll surface of centering pinch roller；
Tension pinch roller is set to the downstream of centering pinch roller；
The roll surface heating device of tension pinch roller, heats the roll surface of tension pinch roller；
Hot transfer roller, the conveying direction along production line are set gradually；
Controlling temp type coiling machine comprising：Reel；Mandrel surface heating device heats the surface of reel；Help volume
Roller and the device that its roll surface is heated；
First strip heating device, correspond to controlling temp type coiling machine and set on controlling temp type coiling machine upstream, described first
Strip heating device heats the magnesium alloy board that will enter controlling temp type coiling machine；
Control unit, roll surface heating device, the roll surface heating device of tension pinch roller, heat with the centering pinch roller
Transfer roller, Wrapping Roll heating device, mandrel surface heating device and the first strip heating device are separately connected, with heated to its
Cheng Jinhang is controlled.
When production, the magnesium alloy supplied materials that extruder squeezes out enters the roller-way of centering pinch roller, tension pinch roller, and magnesium alloy comes
The heating for expecting the roll surface heating device of roll surface heating device and tension pinch roller through centering pinch roller, by the roller of hot transfer roller
Road enters controlling temp type coiling machine and coils into required magnesium volume.
In technical solutions according to the invention, extruder squeezes out the moderate magnesium alloy plate of thickness for efficient stable
Expect to roll in order to the further processing of subsequent technique.The magnesium alloy sheet centering that the centering pinch roller is used to squeeze out
Form initial drawing tension.Tension pinch roller is then further formed stable drawing tension, so that subsequent magnesium alloy plate
Band obtains good plate shape.
Further, since control unit is heated with the roll surface heating device of the centering pinch roller, the roll surface of tension pinch roller
Device, hot transfer roller, Wrapping Roll heating device, mandrel surface heating device and the first strip heating device are separately connected, thus
So that each temperature of production can be accurately controlled within the scope of suitable magnesium alloy plastic deformation.
First strip heating device, correspond to controlling temp type coiling machine and set on controlling temp type coiling machine upstream, described first
Strip heating device heats the magnesium alloy board that will enter controlling temp type coiling machine, by wide along magnesium alloy plate band plate
Temperature gradient on direction according to the needs of magnesium alloy plate curling plastic deformation individually set and control, including same full width orientation
The Temperature Distribution high among the Temperature Distribution or plate that isothermal is distributed or edges of boards portion is high, centre is low, edge is low.
It should be noted that the mode of heating of the first strip heating device is unlimited, sensing heating, sensing heating may be used
The advantages of be can quick on-demand regulating and controlling temperature, temperature distribution gradients can especially be accurately controlled, can also be used conventional
Mode heats, such as heat radiation heating, Hot-blast Heating, but usual manner heating should also ensure that the temperature of magnesium alloy board is being suitble to
Temperature range to meet the warm plastic deformation characteristic of magnesium alloy materials.
In addition, in technical solutions according to the invention, the heating of centering pinch roller, tension pinch roller and hot transfer roller
Mode is unlimited, and interior mode of heating, such as interior logical deep fat may be used, can also take usual manner, such as heat radiation heating,
Induction heating mode can be used.In some preferred embodiments, using induction heating mode, be because：Sensing heating is not
It is only capable of accurately controlling roll surface temperature to meet the thermoplastic characteristics of magnesium alloy materials, and which can more preferably realize plate width direction
On the needs that are plastically deformed according to magnesium alloy coiled sheet of profiling temperatures individually set and control, including same full width orientation etc.
The Temperature Distribution high among temperature distribution or edges of boards portion is high, centre is low Temperature Distribution or plate, edge is low.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：It cuts
Machine is set to the downstream of centering pinch roller, the irregularities for cutting off stripper plate head or tail portion.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：It is synchronous
Welder, is set to the downstream of the centering pinch roller, and the synchronous welding device welds together stripper plate.It is described same
Step welder welds together magnesium alloy supplied materials adjacent in the conveying direction.Setting synchronous welding device is advantageously implemented
Continuous clot, to improve production efficiency.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：It is eccentric
Pinch roller, is correspondingly arranged at the upstream of the controlling temp type coiling machine, and the bias pinch roller is equipped with trailing type roll surface heating dress
It sets, is heated with the roll surface to eccentric pinch roller；The trailing type roll surface heating device is connect with control unit.The bias
Pinch roller is used to magnesium alloy board being sent into temperature control coiling machine, all heat from eccentric pinch roller to reel simultaneously temperature control to required temperature
Degree, it is therefore an objective to crack when magnesium alloy board being avoided to be turned at low temperature through eccentric pinch roller, or crack in batching bending process.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：Second
Strip heating device is correspondingly arranged at the upstream of the eccentric pinch roller, and the second strip heating device is to that will enter partially
The magnesium alloy board of heart pinch roller is heated.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：Fly
It cuts, is set to the upstream of the controlling temp type coiling machine.The effect of the flying shear is during producing magnesium volume by the magnesium of extrusion
Alloy sheet strip carries out transversely cutting.There are two types of situations for the transversely cutting, and one is cut at the magnesium plate welding position of front end
Disconnected, another kind is cut off by preset each volume length.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：It is longitudinal sectional
Machine is set to the upstream of the flying shear.In technical solutions according to the invention, slitter plays further finishing magnesium alloy plate
The effect of band, such as " while splitting " part for cutting off magnesium alloy board both sides or the bad part of performance, or using longitudinal sectional
Machine by magnesium alloy board it is longitudinal sectional to produce needed for target width.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：Third
Strip heating device is set to the upstream of flying shear or slitter, to be brought into the magnesium alloy plate that will enter flying shear or slitter
Row heating.
Further, it is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, further includes：Online
Temperature measurer, for monitor following temperature at least one：The roll surface temperature of centering pinch roller, the roll surface temperature of tension pinch roller
Degree, the temperature of hot transfer roller, the roll surface temperature of Wrapping Roll, the surface temperature of reel, the temperature of magnesium alloy board, eccentric pinch roller
Roll surface temperature；The temperature data measured is also transferred to control unit by the temperature measurer.
Even in the production line of the company's of squeezing volume production magnesium alloy board volume, roll surface heating device, the tension of the centering pinch roller
The roll surface heating device of pinch roller, Wrapping Roll roll surface heating device, mandrel surface heating device, trailing type roll surface heating device,
At least one of first strip heating device, the second strip heating device and third strip heating device fill for sensing heating
It sets, the hot transfer roller is set as the hot transfer roller being inductively heated.The present invention is straight using the even company's of squeezing volume quantity-produced mode
It connects and the magnesium alloy supplied materials temperature control of extrusion is coiled into magnesium volume, the warm plastic deformation characteristic of magnesium material is all directed in entire production process
Continuous temperature control clot is carried out, solves the problems, such as to be difficult to produce to obtain magnesium volume, the easily controllable magnesium volume of whole process on-line continuous temperature control
Temperature accuracy, and magnesium alloy supplied materials is in a relatively narrow temperature range always, avoids crystal grain caused by heating accuracy difference
Roughening, ensure that even tissue, simultaneously because carrying out accurate temperature controlling after squeezing and applying tension realizing what clot to be obtained
Magnesium alloy rolled plate shape is good, coiled sheet quality is high；In addition, the temperature control mode of batching of production line of the present invention also ensures magnesium alloy
Strip it is smooth coiled.
The production line that even volume production magnesium alloy board volume squeezes in company of the present invention takes full advantage of extrusion magnesium alloy board
Residual temperature, on this basis again by magnesium alloy board be heated to bending batch deformation needed for temperature needed for energy consumption substantially subtract
Less, the energy has been saved；The production line can greatly improve production efficiency, and producing line is taken up an area less.
Therefore, the volume of the magnesium alloy with excellent performance can be efficiently produced using production line of the present invention, especially
Plate shape is good, coiled sheet quality is high, excellent in mechanical performance magnesium alloy volume, thus, technical solutions according to the invention have extremely wide
Wealthy market and application prospect.
Description of the drawings
Fig. 1 is that a kind of temperature of the production line of even volume production magnesium alloy board volume under embodiment is squeezed by company of the present invention
Spend distribution map.
Fig. 2 is that the production line of even volume production magnesium alloy board volume squeezes under another embodiment in company of the present invention
Temperature profile.
Fig. 3 shows that the structure of the even production line of volume production magnesium alloy board volume is squeezed by the company of embodiment one.
Fig. 4 shows that the structure of the even production line of volume production magnesium alloy board volume is squeezed by the company of embodiment two.
Specific implementation mode
Even volume production magnesium alloy plate is squeezed to company of the present invention below in conjunction with Figure of description and specific embodiment
Production line with volume makes further explanation, however the explanation and illustration is not constituted not technical scheme of the present invention
Work as restriction.
Fig. 1 is that a kind of temperature of the production line of even volume production magnesium alloy board volume under embodiment is squeezed by company of the present invention
Spend distribution map.As shown in Figure 1, temperature curve I shows the temperature gradient distribution of magnesium alloy board II, illustrate roll surface heating device
(such as roll surface heating device of the roll surface heating device of the roll surface heating device of centering pinch roller, tension pinch roller, Wrapping Roll)
And strip heating device (such as the first strip heating device, the second strip heating device, third strip heating device) heating
Process, temperature gradient distribution carry out individually setting and controlling heating temperature, temperature according to the needs that magnesium alloy coiled sheet is plastically deformed
It is rendered as the Temperature Distribution that height, edge are low among plate along magnesium alloy board II width directions.
Fig. 2 is that the production line of even volume production magnesium alloy board volume squeezes under another embodiment in company of the present invention
Temperature profile.As shown in Fig. 2, temperature curve III shows the temperature gradient distribution of magnesium alloy board IV, illustrate that roll surface heats
Device (such as the roll surface heating dress of the roll surface heating device of the roll surface heating device of centering pinch roller, tension pinch roller, Wrapping Roll
Set) and strip heating device (such as the first strip heating device, the second strip heating device, third strip heating device) plus
Thermal process, temperature gradient distribution carry out individually setting and controlling heating temperature, temperature according to the needs that magnesium alloy coiled sheet is plastically deformed
It spends and is rendered as the Temperature Distribution that edges of boards portion is high, centre is low along magnesium alloy board IV width directions.
Embodiment one
Fig. 3 shows that the structure of the even production line of volume production magnesium alloy board volume is squeezed by the company of embodiment one.As shown in figure 3,
The production line that even volume production magnesium alloy board is rolled up squeezes in company in the present embodiment：Extruder 1,
Tension pinch roller 14, third strip heating device between centering pinch roller 2, tension pinch roller 3, shearing machine 4, synchronous welding device 5, roller
13, hot transfer roller 7, slitter 8, flying shear 9, the second strip heating device 12, eccentric pinch roller 10, the first strip heating device 6,
Controlling temp type coiling machine 11 and control unit.
It is squeezed in the even production line of volume production magnesium alloy board volume in company of the present invention, extruder 1 is certain for squeezing out
The magnesium alloy sheet send to neutralizing clips up and down by the magnesium alloy sheet of thickness, centering pinch roller 2, tension pinch roller 3
Tension pinch roller 14 is conveyed for the tension of magnesium alloy board between roller.Shearing machine 4 is used to cut off the head of the magnesium alloy sheet squeezed out
Portion and tail portion region of disorder.Synchronous welding device 5 connects together the welding from beginning to end of the magnesium alloy sheet of extrusion, with the company of being formed
Continuous magnesium alloy board, in order to continuous clot, synchronous welding device 5 is set to the downstream of the centering pinch roller.Centering pinches
Roller 2 is set to the exit of extruder 1, and the tension pinch roller 14 between the downstream of centering pinch roller, roller of tension pinch roller 3, which is set to, to be opened
Between power pinch roller 3 and controlling temp type coiling machine 11, in order to which concrete condition according to the embodiment accurately controls in process of production
Strip tension.
The roll surface heating device and clips of centering pinch roller are respectively arranged on centering pinch roller and tension pinch roller
The roll surface heating device for sending roller, to the roll surface of centering pinch roller heat and add to the roll surface of tension pinch roller
Heat.
In addition, being additionally provided with flying shear 9 in the upstream of controlling temp type coiling machine 11, and it is set to flying shear 9 and controlling temp type coiling machine 11
Between slitter 8.Slitter 8 plays the role of further modifying magnesium alloy board, cuts off " the side of magnesium alloy board both sides
Split " part or the bad part of performance, or using slitter 8 by the longitudinal sectional target width to needed for producing of magnesium alloy board.
Flying shear 9 is used for the bundling cut-out before coiling process, or in some other embodiments, is cut off or is pressed by front end welding position
Preset volume length cut-out forms magnesium alloy coiled material M1 so that magnesium alloy board enters controlling temp type coiling machine 11.
With further reference to Fig. 1 as can be seen that eccentric pinch roller 10 is correspondingly arranged at the upstream of controlling temp type coiling machine 11, cam lock
It send roller 10 to be equipped with trailing type roll surface heating device 101, is heated with the roll surface to eccentric pinch roller 10.Trailing type roll surface adds
Thermal 101 is connect with control unit, and in order to be controlled its temperature, (in the present embodiment, controlling temp type coiling machine is arranged
It is two, thus, there are two eccentric pinch roller also has, in other embodiments, setting one can be needed according to specific production
A or more than two controlling temp type coiling machine).Circle of dotted line 100 illustrates position of the eccentric pinch roller by working position to inoperative position
Variation.
Controlling temp type coiling machine 11 is set to the end of production line, including：Reel 112, Wrapping Roll and its roll surface is heated
Wrapping Roll roll surface heating device 111 and mandrel surface heating device 1121, the surface of reel is heated.Wrapping Roll
Roll surface heating device 111 and mandrel surface heating device 1121 are connect with control unit respectively.
In addition, the first strip heating device 6, is correspondingly arranged at the upstream of controlling temp type coiling machine 11, the first strip heating device 6
Magnesium alloy board to that will enter controlling temp type coiling machine 11 heats, the first strip heating device 6 and described control unit
Connection.
Second strip heating device 12, is correspondingly arranged at the upstream of eccentric pinch roller 10, and the second strip heating device 12 is right
The magnesium alloy board that eccentric pinch roller 10 will be entered is heated, and the second strip heating device 12 connects with described control unit
It connects.Tension pinch roller 14 will be for will enter the magnesium alloy plate of eccentric pinch roller 10 between eccentric pinch roller upstream is additionally provided with roller
It brings a step into and carries out tension adjustment.
Third strip heating device 13 is set to the upstream of slitter 9, with to the magnesium alloy board that will enter slitter
It is heated.
In conjunction with the embodiments one, furtherly to the production process of this case even production line of the company's of squeezing volume production magnesium alloy board volume
It is bright：
When production, the magnesium alloy sheet M0 that extruder 1 squeezes out is by centering pinch roller 2 and tension pinch roller 3 and shearing machine 4
Be adjusted, then by synchronous welding device 5 by the magnesium alloy supplied materials M0 that extruder 1 squeezes out join end to end welding formed magnesium close
Golden plate band, to realize continuous clot.Before magnesium alloy board enters controlling temp type coiling machine 11, pass through third strip heating device 13
Magnesium alloy board to that will enter flying shear or slitter heats.Then, magnesium alloy board reaches target by slitter 8
Width；After the cut-out of 9 bundling of flying shear, is heated by the second strip heating device 12, temperature control is diverted into eccentric pinch roller 10
Formula coiling machine 11.Before entering eccentric pinch roller 10, tension pinch roller 14 is further opened between magnesium alloy board passes through roller
Power adjusts.
After magnesium alloy board enters controlling temp type coiling machine 11 via eccentric pinch roller 10 by the first strip heating device 6
Clot is at magnesium alloy coiled material M1, in coiling process, Wrapping Roll roll surface heating device 111 and mandrel surface heating device 1121
Wrapping Roll roll surface and mandrel surface are heated respectively, so that each temperature is equal in the production process of magnesium alloy plate and belt
It can be accurately controlled within the scope of suitable magnesium alloy plastic deformation.
It should be noted that the present embodiment control unit also has the function of fine mild tension condition：Before extruder to
Coiling machine all accurately controls strip speed, and speed increment will remain in the tension range of suitable magnesium material characteristic, this is
Since the unit tensile stress of magnesium alloy materials is smaller, especially under " heating " (squeezing out plate) state needed for magnesium alloy board
Tension is much smaller than steel material, therefore the tension in whole producing line is finely controlled in extruding and discharging and coiling process, especially
The Minimal Tension of coiling machine, eccentric pinch roller, avoids drawing and attenuating or breaking magnesium ribbon.
Embodiment two
Fig. 4 shows that the structure of the even production line of volume production magnesium alloy board volume is squeezed by the company of embodiment two.As shown in figure 4,
The production line that even volume production magnesium alloy board is rolled up squeezes in company in the present embodiment：Extruder 1,
Tension pinch roller 14 between centering pinch roller 2, tension pinch roller 3, shearing machine 4, roller, third strip heating device 13, hot transfer roller 7,
Slitter 8, the second strip heating device 12, eccentric pinch roller 10, the first strip heating device 6, controlling temp type coiling machine 11 and
Control unit.
The names of the parts are identical as each component in embodiment one in embodiment two, the function risen also with Fig. 3 institutes
The function for the embodiment one shown is identical, thus repeats no more.
Comparison diagram 3 and Fig. 4, which can be seen that, does not have synchronous welding device and flying shear in embodiment two, and is only provided with
One controlling temp type coiling machine 11, thus compared to embodiment one, the production line of embodiment two is suitable for the not high feelings of rhythm of production
Condition, equipment input cost are less.
It should be noted that on the basis of the production line of embodiment one and embodiment two, may further include：It is online to survey
Wen Yi, for monitor following temperature at least one：The roll surface temperature of centering pinch roller, the roll surface temperature of tension pinch roller
Degree, the temperature of hot transfer roller, the roll surface temperature of Wrapping Roll, the surface temperature of reel, the temperature of magnesium alloy board, eccentric pinch roller
Roll surface temperature；The temperature data measured is also transferred to control unit by the temperature measurer.
It should be noted that the above list is only specific embodiments of the present invention, it is clear that the present invention is not limited to above real
Example is applied, there are many similar variations therewith.If those skilled in the art directly exported from present disclosure or
All deformations associated, are within the scope of protection of the invention.
Claims (10)
1. the production line of even volume production magnesium alloy board volume squeezes in a kind of company, which is characterized in that including：
Extruder；
Centering pinch roller is set to the exit of the extruder；
The roll surface heating device of centering pinch roller, heats the roll surface of centering pinch roller；
Tension pinch roller is set to the downstream of centering pinch roller；
The roll surface heating device of tension pinch roller, heats the roll surface of tension pinch roller；
Hot transfer roller, the conveying direction along production line are set gradually；
Controlling temp type coiling machine comprising：Reel；Mandrel surface heating device heats the surface of reel；Wrapping Roll,
It which is provided with the Wrapping Roll roll surface heating device heated to its roll surface；
First strip heating device corresponds to controlling temp type coiling machine and adds set on the first strip described in the upstream of controlling temp type coiling machine
Thermal heats the magnesium alloy board that will enter controlling temp type coiling machine；
Control unit is transmitted with the roll surface heating device of the centering pinch roller, the roll surface heating device of tension pinch roller, heat
Roller, Wrapping Roll heating device, mandrel surface heating device and the first strip heating device are separately connected, with to its heating process into
Row control.
2. the production line as described in claim 1 for connecting the company's of squeezing volume production magnesium alloy board volume, which is characterized in that further include：It cuts
Machine is set to the downstream of centering pinch roller.
3. the production line as described in claim 1 for connecting the company's of squeezing volume production magnesium alloy board volume, which is characterized in that further include：Together
Welder is walked, the downstream of the centering pinch roller is set to, the synchronous welding device welds together stripper plate.
4. the production line as described in claim 1 for connecting the company's of squeezing volume production magnesium alloy board volume, which is characterized in that further include：Partially
Heart pinch roller is correspondingly arranged at the upstream of the controlling temp type coiling machine；The bias pinch roller is heated equipped with trailing type roll surface
Device is heated with the roll surface to eccentric pinch roller；The trailing type roll surface heating device is connect with control unit.
5. the production line as claimed in claim 4 for connecting the company's of squeezing volume production magnesium alloy board volume, which is characterized in that further include：The
Two strip heating devices are correspondingly arranged at the upstream of the eccentric pinch roller, and the second strip heating device is to that will enter
The magnesium alloy board of eccentric pinch roller is heated.
6. the production line as described in claim 1 for connecting the company's of squeezing volume production magnesium alloy board volume, which is characterized in that further include：Fly
It cuts, is set to the upstream of the controlling temp type coiling machine.
7. the production line as claimed in claim 6 for connecting the company's of squeezing volume production magnesium alloy board volume, which is characterized in that further include：It is vertical
Machine is cut, the upstream of the flying shear is set to.
8. the production line of even volume production magnesium alloy board volume squeezes in company as claimed in claims 6 or 7, which is characterized in that further include：
Third strip heating device is set to the upstream of flying shear or slitter, with to the magnesium alloy plate that will enter flying shear or slitter
Band is heated.
9. the production line of even volume production magnesium alloy board volume squeezes in the company as described in any one of claim 1-8, feature exists
In further including：Temperature measurement on-line instrument, for monitor following temperature at least one：Roll surface temperature, the tension of centering pinch roller
The roll surface temperature of pinch roller, the roll surface temperature of hot transfer roller, the roll surface temperature of Wrapping Roll, the surface temperature of reel, magnesium alloy plate
The roll surface temperature of the temperature of band, eccentric pinch roller；The temperature data measured is also transferred to control unit by the temperature measurement on-line instrument.
10. the production line of even volume production magnesium alloy board volume squeezes in the company as described in any one of claim 1-8, feature exists
In, the roll surface heating device of the centering pinch roller, the roll surface heating device of tension pinch roller, Wrapping Roll roll surface heating device,
Mandrel surface heating device, trailing type roll surface heating device, the first strip heating device, the second strip heating device and third plate
At least one with heating device is induction heating apparatus, and the hot transfer roller is set as the heat transmission being inductively heated
Roller.
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| CN201710283690.XA CN108787780A (en) | 2017-04-26 | 2017-04-26 | The production line of even volume production magnesium alloy board volume squeezes in a kind of company |
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| CN201710283690.XA CN108787780A (en) | 2017-04-26 | 2017-04-26 | The production line of even volume production magnesium alloy board volume squeezes in a kind of company |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI760106B (en) * | 2021-02-09 | 2022-04-01 | 大陸商江蘇福鎂新材料科技有限公司 | Production method of magnesium alloy thin coil |
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| CN103639199A (en) * | 2007-10-16 | 2014-03-19 | 株式会社Ihi | Magnesium alloy hot rolling apparatus |
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| CN1471591A (en) * | 2000-10-23 | 2004-01-28 | ��ɭ��³�������ɷݹ�˾ | Method for producing a magnesium hot strip |
| JP2003126943A (en) * | 2001-10-19 | 2003-05-08 | Nippon Kinzoku Co Ltd | Manufacturing method of magnesium alloy slab for hot- rolling and method for hot-rolling magnesium alloy |
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| TWI760106B (en) * | 2021-02-09 | 2022-04-01 | 大陸商江蘇福鎂新材料科技有限公司 | Production method of magnesium alloy thin coil |
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