CN207386158U - A set of thin roll bending production equipment of magnesium alloy wide-width - Google Patents
A set of thin roll bending production equipment of magnesium alloy wide-width Download PDFInfo
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- CN207386158U CN207386158U CN201720978575.XU CN201720978575U CN207386158U CN 207386158 U CN207386158 U CN 207386158U CN 201720978575 U CN201720978575 U CN 201720978575U CN 207386158 U CN207386158 U CN 207386158U
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Abstract
The utility model discloses the thin roll bending production equipments of a set of magnesium alloy wide-width, including rolling-assisting device, crimping machine, six roller HC milling trains, X-ray thickness gauge and the centralising device being sequentially arranged from left to right, temperature elevation system, cooling system and temp measuring system are further included, temperature elevation system includes supplied materials heating furnace, magnesium volume holding furnace, magnesium and rolls up online heat patching device and roll heating unit；Cooling system includes pressure-air cooling device and oil spout fat device, pressure-air cooling device act on upper and lower working roll, is axially distributed several nozzles, each nozzle independent control along roll；Oil spout fat device acts on intermediate calender rolls both sides up and down, and equipped with multiple nozzles, each nozzle individually controls；Temp measuring system is arranged in operation roll of mill front and rear sides.The utility model can obtain that crystal grain is tiny, magnesium alloy wide-width thin plate of function admirable, and the production efficiency and lumber recovery of magnesium alloy rolled plate greatly improved, significantly reduce the production cost of magnesium alloy rolled plate.
Description
Technical field
The utility model is related to roll bending manufacturing machine fields, are specifically a set of thin roll bending production equipment of magnesium alloy wide-width.
Background technology
Magnesium alloy is metal lightweight structural material champion, due to its have higher specific strength, specific stiffness, damping property,
The comprehensive performances such as electromagnetic wave shielding and free-cutting machinability and as telecommunications, Hyundai Motor, printing photocopy, track traffic, aviation
The important new material of the industries such as space flight and military project weapon, today that especially mankind pay special attention to the energy and environment, magnesium close
Golden product receives increasing attention, and has a vast market development prospect.
The Plastic Forming of magnesium alloy has become the important directions of current research and development of magnesium alloy, and magnesium alloy structural part is still main at present
It is manufactured by die-casting technique, but defects of die casting such as hole, is mingled with etc. and to greatly reduce magnesium alloy mechanical property.In contrast, magnesium closes
The part tissue of golden Plastic Forming more refines, ingredient evenly, it is internal more closely knit, therefore wrought magnesium alloy has high intensity and height
The advantages that elongation percentage, disclosure satisfy that higher design requirement, but the plastic deformation ability force difference of magnesium alloy causes its plasticity to add
Work and its difficulty.
Magnesium is Patterns for Close-Packed Hexagonal Crystal structure, and particularly its shafting compares c/a=than c/a=1.624 close to preferable axis
1.63.Polycrystalline magnesium alloy can only be generally plastically deformed by basal slip and twin sliding, and independent slip-system is few, thus difficult
With as low axis than six side's Titaniums, zirconium etc. can good plasticity be shown by the common sliding of faceted pebble, the conical surface.Magnesium closes at room temperature
Gold is only there are two independent slip-system, far from meeting von Mises criterions, therefore the energy of intercrystalline compatibility of deformation under external force
Power deficiency.
Deformation temperature is to influence the key factor of magnesium alloy plastic deformation ability, and when temperature is high, nonbasal slip system starts
Required critical resolved shear stress substantially reduces, thus can activate faceted pebble and conical surface sliding, this makes magnesium alloy that apparent ductility be presented
Transformation, plasticity significantly improve.Therefore, the key factor of the plastic deformation ability of magnesium alloy, the plasticity of magnesium alloy are influenced during temperature
Forming temperature section is relatively narrow, generally in 300~450 DEG C of section, when forming temperature is low, and magnesium alloy deformation energy force difference, easily
Cold crack is generated, when the temperature is excessively high, some low melting points in alloy may mutually melt in forming process, under stress easily
Fire check is generated, in addition, forming temperature is excessively high, the coarse grains of part microscopic structure is will also result in, directly affects material military service
Performance.
During magnesium alloy rolling, temperature must in time be lubricated roll and magnesium plate band when raising, lubricating system
The deformation heat and frictional heat of metal can be taken away, adjusts roller surface temperature, controls template, ensures rolling efficiency and safety, simultaneously
The friction between roll and strip can be reduced, stable frictional interface is provided, glutinous roller is prevented, realize stable rolling, improve surface
Quality.
The magnesium alloy plate and belt market demand, the development trend of application are wide cut and cost degradation.Wide cut is magnesium alloy
Strip meets the primary condition of the communications and transportation industry lightweight needs such as aerospace and automobile, and cost degradation is magnesium alloy plate
The essential condition that band can be competed with other materials.Since there is production continuously with rolling method production magnesium alloy thin dimension board band
Change degree is strong, product size tolerance variations are small, control easy to automate, high yield rate, production cost is low and can advise greatly
Mould carries out the significant advantage such as industrialized production and marketing application, thus, the rolling method production of magnesium alloy board becomes current
Domestic and international magnesium alloy processing industry research and development and the hot spot of production, study its production technology and equipments and just show very necessary.
Utility model content
For solve it is above-mentioned in the prior art the defects of, the utility model provides the production of a set of magnesium alloy wide-width thin roll bending and sets
It is standby, it can obtain that crystal grain is tiny, magnesium alloy wide-width thin plate of function admirable, improve magnesium alloy plate production efficiency with becoming a useful person
Rate has promoted application of the magnesium alloy in each field.
The purpose of this utility model is achieved through the following technical solutions：A set of thin roll bending production equipment of magnesium alloy wide-width,
Including rolling-assisting device, crimping machine, six roller HC milling trains, X-ray thickness gauge and the centralising device being sequentially arranged from left to right, one is further included
Temperature elevation system, a cooling system and a temp measuring system, the temperature elevation system include supplied materials heating furnace, magnesium volume holding furnace, magnesium volume and exist
Line heat patching device and roll heating unit, the supplied materials heating furnace are arranged in the inlet of six roller HC milling trains；Magnesium volume holding furnace position
In the outside of crimping machine reel；Online heat patching device is made of sensing heating part and gas heating part, which can be to magnesium
Differential concurrent heating is carried out in the laterally-distinct position of alloy sheet strip, to achieve the purpose that control template；It is arranged in rolling for six roller HC milling trains
In front of roller between two memorial archway of milling train, magnesium plate to be rolled is rolled among two parts after, and sensing heating part is located to be rolled
Above magnesium plate, gas heating part is located at below magnesium plate to be rolled；Roll heating unit is located at outside six roller HC milling trains；The cooling
System is arranged in six roller HC milling trains, and including pressure-air cooling device and oil spout fat device, the pressure-air cooling device is made
For upper and lower working roll, several nozzles, each nozzle independent control, normal conditions bottom roll center section are axially distributed along roll
Nozzle jet amount is more than the jet amount of both sides；Oil spout fat device acts on intermediate calender rolls both sides up and down, equipped with multiple nozzles, each nozzle list
Solely control；The temp measuring system uses infrared temperature measurement apparatus, is arranged in operation roll of mill front and rear sides, i.e., is rolled mounted on magnesium plate
Entrance and exit accurately measure magnesium plate centre and both sides temperature.The infrared temperature measurement apparatus is connected by power cord
There is a digital indicator；A controller is further included, the input terminal of controller is connected with infrared temperature measurement apparatus, the output terminal of controller
It is connected with online heat patching device, oil spout fat device, pressure-air cooling device.
Supplied materials is magnesium alloy cut deal, thickness between 6~10mm, length between 30~60m, breadth up to 1200~
1500mm；The supplied materials heating furnace is tunnel type resistor furnace or Medium frequency induction formula continuous tunnel furnace, and it is by live-roller that supplied materials, which heats 2 bottoms,
The roller-way of composition, is driven by motor, forward and inverse can be rotated so that supplied materials can move back and forth on live-roller, reach uniformly by
The purpose of heat, while play gearing.
Magnesium alloy thin volume heat dissipation is exceedingly fast, and reel can absorb many heats when especially coiled, therefore outside curler reel
Magnesium volume holding furnace is installed in side, which rolls up holding furnace as resistance-type heating furnace, the cylinder arrangement of resistance wire, meanwhile, it is unloading
It can easily be moved under the action of volume trolley, not interfere with produced on-site.
The roll heating unit uses medium frequency induction heater.The temperature of working roll can have an important influence on rolling,
The operation roll of mill uses semi-automatic mounting means, easily can remove and install, need working roll removing profit before Rolling Production
It is heated with intermediate frequency induction heating device.
Compared with prior art, the utility model has the advantages that：
Make it possible the large-scale industrial production of the thin roll bending of magnesium alloy wide-width, accurately temperature control rolls up wide cut magnesium
The production of plate can stable operation, the production efficiency and lumber recovery of magnesium alloy rolled plate greatly improved, significantly reduce magnesium alloy volume
The production cost of plate.
Description of the drawings
Fig. 1 is the structure diagram of the thin roll bending production equipment of the utility model embodiment magnesium alloy wide-width.
Specific embodiment
The utility model is described in detail with reference to specific embodiment.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These belong to the scope of protection of the utility model.
As shown in Figure 1, the utility model embodiment provides：A set of thin roll bending production equipment of magnesium alloy wide-width, including from
Rolling-assisting device 1, crimping machine 2, six roller HC milling trains 9, X-ray thickness gauge 10 and the centralising device 11 being sequentially arranged from left to right, further include
One temperature elevation system, a cooling system and a temp measuring system, the temperature elevation system include supplied materials heating furnace 12, magnesium volume holding furnace 3, magnesium
Online heat patching device 5 and roll heating unit are rolled up, the supplied materials heating furnace 12 is arranged in the inlet of six roller HC milling trains 9；Magnesium is rolled up
Holding furnace 3 is located at the outside of crimping machine reel；Online heat patching device 5 is made of sensing heating part and gas heating part, should
Device can carry out differential concurrent heating to the laterally-distinct position of magnesium alloy board, to achieve the purpose that control template；It is arranged in six rollers
In front of the roll of HC milling trains 9 between two memorial archway of milling train, magnesium plate to be rolled is rolled among two parts after, sensing heating portion
Divide and be located above magnesium plate to be rolled, gas heating part is located at below magnesium plate to be rolled；Roll heating unit is located at outside six roller HC milling trains 9
Portion；The cooling system is arranged in six roller HC milling trains 9, including pressure-air cooling device 7 and oil spout fat device 6, the high pressure
Air-cooling apparatus 7 acts on upper and lower working roll, is axially distributed several nozzles, each nozzle independent control, normal conditions along roll
Bottom roll center section nozzle jet amount is more than the jet amount of both sides；Oil spout fat device 6 acts on intermediate calender rolls both sides up and down, equipped with more
A nozzle, each nozzle individually control；The temp measuring system uses infrared temperature measurement apparatus 8, is arranged in operation roll of mill front and rear sides,
Magnesium plate rolling entrance and exit are mounted on, magnesium plate centre and both sides temperature are accurately measured.The infrared measurement of temperature dress
It puts and a digital indicator is connected with by power cord；Further include a controller, input terminal and 8 phase of infrared temperature measurement apparatus of controller
Even, the output terminal of controller is connected with online heat patching device 5, oil spout fat device 6, pressure-air cooling device 7, in addition machine bit preamble
The equipment such as device, jockey pulley, pinch roller do not identify in drawing, coil stripping car, working roll sensing heater, each instrument display and
It is not shown in control system figure, using existing mature structure.
This specific implementation head passes processes are as follows：First by magnesium alloy cut deal to be rolled in supplied materials heating furnace 12 into
During which row heating and thermal insulation adjusts magnesium alloy cut deal position in heating furnace repeatedly；At the same time the upper and lower working roll of milling train is taken
Go out, sensed heater is reinstalled up after being heated to set point of temperature；Embryo material is heated to heating furnace after stipulated time and temperature
Bottom driving roller, which rotates, transports supplied materials to milling train, during which makes supplied materials center mutually be overlapped with the movement of milling train through the effect of centralising device 11
It closes；Supplied materials runs forward to during the hydraulic shear of right side and carries out cropping work to supplied materials, and X-ray thickness gauge is thick by supplied materials during this period
Degree reaches rolling mill AGC thickness control system；Then supplied materials enters operation roll of mill under the action of pinch roller by jockey pulley, this
When work roller gap AGC automatic thickness control systems set；Supplied materials pre-set roll-force, mill speed,
It is rolled steadily in the case of drafts etc.；Magnesium alloy board after rolling is under the assistance of rolling-assisting device 1 rapidly in crimping machine
Coiled on 2 reel, then magnesium volume holding furnace enters on the outside of reel under the action of coil stripping car and magnesium volume is kept the temperature；Afterwards
Magnesium rolling situation is observed, the sprayer 6 that sequentially activates, pressure-air cooler 7 are to magnesium roll bending surface quality and work roll temperature
It is adjusted, until supplied materials afterbody terminates when will enter milling train, right side hydraulic shear is used to remove supplied materials afterbody.
After first passes, the 2nd passes are carried out at once：Working roll, which rotates backward, send magnesium alloy rolled plate into the right side
Side crimping machine, helped under the action of right rolling-assisting device it is coiled, rear right rolling-assisting device retreat, magnesium volume holding furnace is moved to outside right reel
Side keeps the temperature magnesium volume；Start magnesium alloy on-line heating device 5, adjust its sensing heater height while adjust flame and add
Hot device heating intensity carries out concurrent heating to the magnesium volume that comes；Since the internal and external temperature of magnesium volume is variant, infrared radiation thermometer 8 will be into rolling temperature
Show and feed back to control system, adjusted by manual adjustment or automatic control system the relevant parameter of online sensing heating come
Control magnesium alloy rolled plate is into rolling temperature；Rear magnesium alloy rolled plate temperature is rolled to draw roller temperature, in due course by measure simultaneously
Start pressure-air cooler 7 to cool down to working roll；Magnesium alloy rolled plate surface quality and temperature are combined in the operation of rolling,
Startup sprayer 6 rolls up magnesium according to circumstances, roll is lubricated, is cooled down, and is according to said method rolled steadily, until the second passage knot
Beam.
Differ it is worth noting that, often occurring magnesium volume and roll transverse temperature caused by heat dissipation in the operation of rolling
The situation of cause, the situation cause to directly affect to template, therefore pay special attention to match among magnesium alloy rolled plate in operation
With both sides temperature difference in reasonable interval, online heat patching device 5 can carry out differentiation concurrent heating, compressed air to the transverse temperature of magnesium plate
Cooler 7 can carry out differentiation cooling to the axially different position of working roll.
Under general status, cut deal can reach required thickness by positive and negative two passes, if still needing to multi-pass repeatedly
Repeat-rolling repeats the above steps.After rolling, first magnesium volume holding furnace is removed, is afterwards rolled up magnesium with coil stripping car
Finished product transports.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (5)
1. a set of thin roll bending production equipment of magnesium alloy wide-width, it is characterised in that：Including the rolling-assisting device being sequentially arranged from left to right
(1), crimping machine (2), six roller HC milling trains (9), X-ray thickness gauge (10) and centralising device (11), further include a temperature elevation system, one
Cooling system and a temp measuring system, the temperature elevation system include supplied materials heating furnace (12), magnesium volume holding furnace (3), the online benefit of magnesium volume
Thermal (5) and roll heating unit, the supplied materials heating furnace (12) are arranged in the inlet of six roller HC milling trains (9)；Magnesium volume is protected
Warm stove (3) is located at the outside of crimping machine reel；Online heat patching device (5) is made of sensing heating part and gas heating part,
It is arranged in front of the roll of six roller HC milling trains (9) between two memorial archway of milling train, magnesium plate to be rolled is rolled among two parts after
System, sensing heating part are located above magnesium plate to be rolled, and gas heating part is located at below magnesium plate to be rolled；Roll heating unit is located at
Six roller HC milling trains (9) are external；The cooling system is arranged in six roller HC milling trains (9), including pressure-air cooling device (7) and
Oil spout fat device (6), the pressure-air cooling device (7) act on upper and lower working roll, are axially distributed several nozzles along roll,
Each nozzle independent control；Oil spout fat device (6) acts on intermediate calender rolls both sides up and down, and equipped with multiple nozzles, each nozzle individually controls；Institute
Temp measuring system is stated using infrared temperature measurement apparatus (8), is arranged in operation roll of mill front and rear sides, the infrared temperature measurement apparatus passes through electricity
Source line is connected with a digital indicator.
2. a set of thin roll bending production equipment of magnesium alloy wide-width as described in claim 1, it is characterised in that：The production equipment is also wrapped
A controller is included, the input terminal of controller is connected with infrared temperature measurement apparatus (8), the output terminal of controller and online heat patching device
(5), oil spout fat device (6), pressure-air cooling device (7) are connected.
3. a set of thin roll bending production equipment of magnesium alloy wide-width as described in claim 1, it is characterised in that：The supplied materials heating furnace
(12) it is tunnel type resistor furnace or Medium frequency induction formula continuous tunnel furnace, supplied materials heating furnace (12) bottom is the roller-way being made of live-roller,
It is driven, forward and inverse can rotated by motor.
4. a set of thin roll bending production equipment of magnesium alloy wide-width as described in claim 1, it is characterised in that：The magnesium rolls up holding furnace
(3) it is resistance-type heating furnace, the cylinder arrangement of resistance wire.
5. a set of thin roll bending production equipment of magnesium alloy wide-width as described in claim 1, it is characterised in that：The roll heating dress
It puts using medium frequency induction heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978575.XU CN207386158U (en) | 2017-08-07 | 2017-08-07 | A set of thin roll bending production equipment of magnesium alloy wide-width |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978575.XU CN207386158U (en) | 2017-08-07 | 2017-08-07 | A set of thin roll bending production equipment of magnesium alloy wide-width |
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| CN207386158U true CN207386158U (en) | 2018-05-22 |
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| CN201720978575.XU Active CN207386158U (en) | 2017-08-07 | 2017-08-07 | A set of thin roll bending production equipment of magnesium alloy wide-width |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470356A (en) * | 2017-08-07 | 2017-12-15 | 上海利正卫星应用技术有限公司 | A set of thin roll bending production equipment of magnesium alloy wide-width |
| CN109794506A (en) * | 2019-04-04 | 2019-05-24 | 哈尔滨工业大学（威海） | A kind of hot forming steel plate rolling formation device and method |
| CN113560346A (en) * | 2021-07-20 | 2021-10-29 | 燕山大学 | Near-isothermal rolling device and method thereof |
-
2017
- 2017-08-07 CN CN201720978575.XU patent/CN207386158U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470356A (en) * | 2017-08-07 | 2017-12-15 | 上海利正卫星应用技术有限公司 | A set of thin roll bending production equipment of magnesium alloy wide-width |
| CN109794506A (en) * | 2019-04-04 | 2019-05-24 | 哈尔滨工业大学（威海） | A kind of hot forming steel plate rolling formation device and method |
| CN109794506B (en) * | 2019-04-04 | 2023-10-24 | 哈尔滨工业大学（威海） | Roll forming device and method for hot formed steel plate |
| CN113560346A (en) * | 2021-07-20 | 2021-10-29 | 燕山大学 | Near-isothermal rolling device and method thereof |
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