CN107175462A - A kind of composite plate blanks preparation method for rolling composite plate - Google Patents
A kind of composite plate blanks preparation method for rolling composite plate Download PDFInfo
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- CN107175462A CN107175462A CN201710305475.5A CN201710305475A CN107175462A CN 107175462 A CN107175462 A CN 107175462A CN 201710305475 A CN201710305475 A CN 201710305475A CN 107175462 A CN107175462 A CN 107175462A
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- composite plate
- slab
- steel pipe
- welding
- rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
A kind of composite plate blanks preparation method for rolling composite plate, belongs to composite plate milling method technical field, the composite plate blanks for making rolling composite plate.Its technical scheme is：Some pieces of slab upper-lower overlappings, slab surrounding gap welded seal, reserved between weld seam and vacuumize steel pipe, vacuumize process is carried out to gap between slab by vacuumizing steel pipe, steel pipe sealing welding will finally be vacuumized, gap forms vacuum state, then heated stove heat between making slab, and last milling train together shapes composite plate blanks rolling.The present invention realizes the imagination for making that vacuum state is reached between slab under non-height vacuum condition, it is to the technical breakthrough of existing process and progress, greatly reduce the equipment investment for making composite plate blanks, it also simplify operating procedure, technology guarantee is provided to expand the scale of production, improving product yield, to meet current production fast-developing demand creation condition, in industry there is fabulous popularizing value.
Description
Technical field
The present invention relates to a kind of composite plate blanks preparation method for rolling composite plate, answering for cut deal is particularly suitable for
The composite plate blanks of rolling are closed, belong to composite plate milling method technical field.
Background technology
Composite plate rolling technique is the board making technology grown up last century end, and extensive use is obtained at present.It is compound
Plate rolling technique is that the blank material of unlike material is stacked together, and is heated to after certain temperature, then rolled by heavy and medium plate mill
Desired specification is made, the blank material of such unlike material can be bound tightly together, as composite board.Composite plate
Base material can use the various ordinary carbon steels such as Q235B, Q345R and special-purpose steel, clad material can use abrasion-resistant stee or
The steel for special purposes of the various trades mark such as stainless steel.Material and thickness can be with independent assortments, the need for meeting different user.Stainless steel
Composite plate has been widely used for the industries such as oil, chemical industry, salt industry, hydraulic and electric engineering.Stainless steel clad plate is used as a kind of resource section
The about product of type, it is possible to reduce the consumption of precious metal, is greatly lowered construction costs, with good development prospect, simultaneously
Inexpensive and high performance perfect adaptation is advantageously implemented, there is good social benefit.
At present, cut deal complex technique mainly has two classes：One class is Explosion composite, is mainly used in stainless steel plate and carbon steel
It is combined between substrate, using the explosive that tiled above stainless steel plate, using the energy of explosive charge, makes stainless steel plate high-speed impact carbon
Steel substrate, producing HTHP makes the interface of two kinds of materials realize Solid-phase welding.Due to being limited by weather and other process conditions
System, Explosion composite production efficiency is relatively low.Another kind of is method hot rolling, and its main technique is with two blocks of steel billets（Or steel plate）Contact surface
In physics pure state, weld, and rolled under the conditions of high vacuum, two kinds of metal diffusions are realized in the operation of rolling
Complete metallurgical binding.
Welding procedure, which has, under the vacuum condition used at present invests big, the relative complex feature of operation, it is impossible to adapt to current
Fast-developing requirement is produced, product can not meet the demand of various clients.For the scale of expanding production, product production is improved
Amount, iron and steel enterprise is very in the urgent need to taking new process to replace the current work welded under the conditions of high vacuum
Skill, to overcome existing process to invest the restriction of big, complex operation, realizes the breakthrough and progress in technology, satisfaction works as previous existence
Produce fast-developing demand.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of composite plate blanks preparation method for rolling composite plate, this
Planting composite plate blanks preparation method and can realizing makes to reach vacuum state between slab under non-height vacuum condition, is then welded
Connect and roll, greatly reduce the equipment investment for making composite plate blanks, operating procedure is also simplify, to expand the scale of production, carrying
High product yield ensures there is provided technology.
Solving the technical scheme of above-mentioned technical problem is：
A kind of composite plate blanks preparation method for rolling composite plate, it is carried out using following steps：
A. blank prepares
Two boards base is cut into length and width identical physical dimension, cleaning is then polished to faying face, and to combining
The surrounding polishing welding groove in face；
B. blank is welded
Two boards base mounted on top is welded together, taking out for last sealing part one heavy wall thin footpath of insertion is welded in slab
Vacuum steel pipe；
C. weld seam sealing propertytest
Compressed air is passed through into gap between two boards base by vacuumizing steel pipe, test two boards base periphery solder joint
Sealing, if there is air leakage point, to carrying out repair welding processing at trachoma or crack, it is ensured that be fully sealed；
D. vacuumize
Steel pipe outer end will be vacuumized with vavuum pump to be connected, the air between slab will be extracted out using vavuum pump, made between slab
Form vacuum；
E. slab is sealed
When reaching certain vacuum, heating vacuumizes steel pipe, is then flattened rapidly with mechanical tong and vacuumizes steel pipe and seal,
Seal is carried out built-up welding again, it is ensured that sealing effectiveness.
In the above-mentioned composite plate blanks preparation method for rolling composite plate, the step a and step b, slab faying face
Surrounding groove is polished with abrasive machine, then carries out surrounding welding, and welding procedure uses bottom argon arc welding, and bottom argon arc welding is complete
Common hand is welding cap face after finishing.
In the above-mentioned composite plate blanks preparation method for rolling composite plate, the step c, finished in the welding of slab surrounding
Afterwards, commissure smear suds, compressed air be passed through it is reserved vacuumize in steel pipe, detection surrounding weld seam whether have soap
Water vapor bubbles are produced, if there is bubble, and repair welding is carried out at this in bubble, it is ensured that weld seam is tight, is created conditions to vacuumize.
In the above-mentioned composite plate blanks preparation method for rolling composite plate, the step d, vacuumizing steel pipe and vavuum pump
Air entry is connected, and vacuumizes 30min, 6 × 10-2Pa of the vacuum that reaches capacity（That is 5 × 10-4Torr, 1Torr=
133.32Pa）.
The beneficial effects of the invention are as follows：
The present invention process be：Some pieces of slab upper-lower overlappings, slab surrounding gap welded seal, between slab
Gap carries out vacuumize process, will finally vacuumize place's sealing welding, and gap forms vacuum state between making slab, then heated
Stove heat, last milling train together shapes composite plate blanks rolling.
The present invention is the innovation of composite plate blanks manufacture craft, and abandoned traditional must be welded under the conditions of high vacuum
Connect to reach the process route of vacuum state between slab, realize makes to reach vacuum between slab under non-height vacuum condition
The imagination of state, be to the technical breakthrough of existing process and progress, it is to avoid existing process investment is big, the system of complex operation
About, the equipment investment for making composite plate blanks is greatly reduced, operating procedure is also simplify, to expand the scale of production, improving product
Yield ensures, to meet current production fast-developing demand creation condition, in industry there is fabulous push away there is provided technology
Wide use value.
Brief description of the drawings
Fig. 1 be the present invention vacuumize view.
Marked in figure as follows：Slab 1, vacuumize steel pipe 2, vavuum pump 3.
Embodiment
The present invention process be：Some pieces of upper-lower overlappings of slab 1, the surrounding gap welded seal of slab 1,
Reserved between weld seam and vacuumize steel pipe 2, vacuumize process is carried out to gap between slab 1 by vacuumizing steel pipe 2, will finally take out true
The empty sealing welding of steel pipe 2, gap forms vacuum state, then heated stove heat between making slab 1, and last milling train is composite plate blanks
Rolling shapes together.
The present invention is carried out using following steps：
A. blank prepares.Two boards base 1 is cut into length and width identical physical dimension, then faying face is polished clearly
Reason, and the surrounding welding groove of faying face is polished with abrasive machine.
B. blank is welded.The mounted on top of two boards base 1 is welded together, welding procedure uses bottom argon arc welding,
Bottom argon arc welding finishes rear common hand welding cap face, and vacuumizing for last sealing part one heavy wall thin footpath of insertion is welded in slab 1
Steel pipe 2.
C. weld seam sealing propertytest.After the welding of the surrounding of slab 1 is finished, suds are smeared in commissure, compressed air
Be passed through it is reserved vacuumize in steel pipe 2, whether detection surrounding weld seam has the generation of soap water vapor bubbles, if there is bubble, in bubble at this
Carry out repair welding, it is ensured that weld seam is tight, is created conditions to vacuumize.
D. vacuumize.It is connected steel pipe 2 is vacuumized with the air entry of vavuum pump 3, vacuumizes 30min, reach capacity vacuum
Spend 6 × 10-2Pa（That is 5 × 10-4Torr, 1Torr=133.32Pa）.
E. slab is sealed.When reaching certain vacuum, heating vacuumizes steel pipe 2, is then flattened rapidly with mechanical tong
Vacuumize steel pipe 2 and seal, then seal is carried out built-up welding, it is ensured that sealing effectiveness.
One embodiment of the present of invention is as follows：
Slab：Using the composite billet of two blocks of steel billets, two pieces of billet bloom sizes are：Thickness × width x length=92mm × 1700mm ×
2500mm。
Welding：Bottom argon arc welding, using diameter 2.5mm 506 welding wires, bottom argon arc welding finishes rear common hand welding cap
Face；Capping uses diameter 3.2mm and 4.0mm common 422 welding rod, composite plate blanks size after welding：Thickness × width x length=185 ×
1700×2500mm。
Vacuumize：Evacuator model：2XZ-4 sliding vane rotary vacuum pumps, 6 × 10-2Pa of final vacuum（That is 5 × 10-
4Torr, 1Torr=133.32Pa）, it is connected steel pipe is vacuumized with vavuum pump air entry, vacuumizes 30min.
Vacuum seal：Vacuumize 30min and be followed by near limit vacuum 6 × 10-2Pa, steel pipe heating is vacuumized, with strength
Pressing tongs flattens rapidly and vacuumizes steel pipe and seal.
Claims (4)
1. a kind of composite plate blanks preparation method for rolling composite plate, it is characterised in that：It is carried out using following steps：
A. blank prepares
Two boards base（1）Length and width identical physical dimension is cut into, cleaning is then polished to faying face, and it is right
The surrounding polishing welding groove of faying face；
B. blank is welded
Two boards base（1）Mounted on top is welded together, in slab（1）Weld one heavy wall of last sealing part insertion thin
Footpath vacuumizes steel pipe（2）；
C. weld seam sealing propertytest
By vacuumizing steel pipe（2）To two boards base（1）Between compressed air is passed through in gap, test two boards base（1）Periphery
The sealing of solder joint, if there is air leakage point, to carrying out repair welding processing at trachoma or crack, it is ensured that be fully sealed；
D. vacuumize
Steel pipe will be vacuumized（2）Outer end and vavuum pump（3）It is connected, uses vavuum pump（3）Slab（1）Between air take out
Go out, make slab（1）Between form vacuum；
E. slab is sealed
When reaching certain vacuum, heating vacuumizes steel pipe（2）, then flattened rapidly with mechanical tong and vacuumize steel pipe（2）
And seal, then seal is carried out built-up welding, it is ensured that sealing effectiveness.
2. the composite plate blanks preparation method according to claim 1 for rolling composite plate, it is characterised in that：The step
In a and step b, slab（1）Faying face surrounding groove is polished with abrasive machine, then carries out surrounding welding, welding procedure
Using bottom argon arc welding, bottom argon arc welding finishes rear common hand welding cap face.
3. the composite plate blanks preparation method according to claim 2 for rolling composite plate, it is characterised in that：The step
In c, in slab（1）After surrounding welding is finished, suds are smeared in commissure, compressed air is passed through and reserved vacuumizes steel pipe
（2）In, whether detection surrounding weld seam has the generation of soap water vapor bubbles, if there is bubble, carry out repair welding at this in bubble, it is ensured that weld seam is tight
It is close, created conditions to vacuumize.
4. the composite plate blanks preparation method according to claim 3 for rolling composite plate, it is characterised in that：The step
In d, vacuumizing steel pipe（2）With vavuum pump（3）Air entry is connected, and vacuumizes 30min, 6 × 10- of the vacuum that reaches capacity
2Pa（That is 5 × 10-4Torr, 1Torr=133.32Pa）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305475.5A CN107175462A (en) | 2017-05-03 | 2017-05-03 | A kind of composite plate blanks preparation method for rolling composite plate |
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|---|---|---|---|
| CN201710305475.5A CN107175462A (en) | 2017-05-03 | 2017-05-03 | A kind of composite plate blanks preparation method for rolling composite plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176952A (en) * | 2018-01-17 | 2018-06-19 | 山东钢铁集团日照有限公司 | A kind of manufacturing method of easily super-thick steel plate |
| CN109128714A (en) * | 2018-10-13 | 2019-01-04 | 山东盛阳金属科技股份有限公司 | A kind of Stainless Steel-Carbon Steel Clad Sheet hot continuous rolling large-scale preparation method |
| CN112475556A (en) * | 2020-11-11 | 2021-03-12 | 鞍钢股份有限公司 | Composite blank assembly welding method adopting narrow-gap MAG transverse welding method |
| CN112643292A (en) * | 2020-12-05 | 2021-04-13 | 安徽宝恒新材料科技有限公司 | Processing method of carbon steel and 304 stainless steel single-sided composite board |
| CN113245416A (en) * | 2021-05-14 | 2021-08-13 | 周红艳 | Color steel rock wool board assembly connection structure forming processing equipment and processing method |
| CN114523185A (en) * | 2022-02-09 | 2022-05-24 | 山东钢铁集团日照有限公司 | Vacuum diffusion hybrid welding production process for thick high-alloy plate blank |
| CN115194422A (en) * | 2022-06-01 | 2022-10-18 | 中钢集团邢台机械轧辊有限公司 | Method for forging composite roller |
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| CN104014997A (en) * | 2014-06-11 | 2014-09-03 | 河北钢铁股份有限公司 | Manufacturing method for stainless steel composite boards |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176952A (en) * | 2018-01-17 | 2018-06-19 | 山东钢铁集团日照有限公司 | A kind of manufacturing method of easily super-thick steel plate |
| CN109128714A (en) * | 2018-10-13 | 2019-01-04 | 山东盛阳金属科技股份有限公司 | A kind of Stainless Steel-Carbon Steel Clad Sheet hot continuous rolling large-scale preparation method |
| CN112475556A (en) * | 2020-11-11 | 2021-03-12 | 鞍钢股份有限公司 | Composite blank assembly welding method adopting narrow-gap MAG transverse welding method |
| CN112643292A (en) * | 2020-12-05 | 2021-04-13 | 安徽宝恒新材料科技有限公司 | Processing method of carbon steel and 304 stainless steel single-sided composite board |
| CN113245416A (en) * | 2021-05-14 | 2021-08-13 | 周红艳 | Color steel rock wool board assembly connection structure forming processing equipment and processing method |
| CN114523185A (en) * | 2022-02-09 | 2022-05-24 | 山东钢铁集团日照有限公司 | Vacuum diffusion hybrid welding production process for thick high-alloy plate blank |
| CN114523185B (en) * | 2022-02-09 | 2023-10-31 | 山东钢铁集团日照有限公司 | Vacuum diffusion composite welding production process for high-alloy thick plate blank |
| CN115194422A (en) * | 2022-06-01 | 2022-10-18 | 中钢集团邢台机械轧辊有限公司 | Method for forging composite roller |
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Application publication date: 20170919 |