CN209379896U - A kind of device of electroslag melting stainless steel composite base - Google Patents
A kind of device of electroslag melting stainless steel composite base Download PDFInfo
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- CN209379896U CN209379896U CN201822168096.9U CN201822168096U CN209379896U CN 209379896 U CN209379896 U CN 209379896U CN 201822168096 U CN201822168096 U CN 201822168096U CN 209379896 U CN209379896 U CN 209379896U
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Abstract
The utility model discloses a kind of devices of electroslag melting stainless steel composite base.Including pedestal, set on the pedestal and spaced column and plug support frame, it is supported in the plug of the plug support frame, the crystallizer support frame that is arranged around the plug support frame and can be slided along the column, it is supported in the crystallizer support frame and the concentric and spaced crystallizer with the plug, and it can be along the electrode holder of column sliding above the crystallizer, it is fixed on the electrode of the electrode holder, the first driving device for driving the crystallizer support frame to slide up and down, and the second driving device that the driving electrode holder slides up and down, the orthographic projection of the electrode is in the gap between the crystallizer and the plug.The device of electroslag melting stainless steel composite base provided by the utility model, coating and steel billet are by metallurgical bonding, and interface quality is good.
Description
Technical field
The utility model relates to metallurgy and casting technology field, in particular to a kind of electroslag melting stainless steel composite base
Device.
Background technique
Bimetallic stainless steel cladding reinforcing bar, which refers to do with stainless steel, covers material, does core with straight carbon steel or ordinary low-alloy steel,
Double metallic composite material made of by way of hot rolling.This double metallic composite material has both stainless steel corrosion resistance and common
The advantage of carbon steel high intensity has same or similar corrosion resistance, but cheap and mechanical property compared with pure stainless reinforcing bar
It can be more excellent；Compared with straight carbon steel, mechanical property is quite but corrosion resistance advantage is obvious, therefore, increasingly by the height of people
Degree is paid attention to.
In recent years, there is the technology of very stainless steel composite material.Chinese patent literature 2010105262657 discloses one
Kind compound corrosion-resistant steel bar of stainless steel and preparation method thereof, inside are straight carbon steel, outside cladding stainless steel, technique are as follows: stainless
Steel billet pierces into stainless steel sleeve → end welding → heating rolling with carbon steel base surface treatment → carbon steel base and becomes a useful person.Chinese patent text
It offers 2016106771628 and discloses a kind of compound method for preparing the compound spiral of stainless steel of sandwich rolling, this method is first
Stainless steel billet and carbon steel base are surface-treated, then stainless steel plate is bent into U-shaped, steel billet is then put into U-shaped stainless middle sealing
It welds, hot rolling after last sealing two ends.
It can be seen that in the prior art, the preparation method of stainless steel composite muscle is used carbon steel not with physical method substantially
Directly heat rolling after rust steel pipe or stainless steel plate welding, the stainless steel cladding steel billet of such methods preparation, outer layer stainless steel and
Have gap between core, between the two without metallurgical bonding, will cause in subsequent rolling mill practice finished product it is not compound, in conjunction with not
Good, shelling, the defects of coating thickness is uneven, technique is unreliable, and lumber recovery is low.
In consideration of it, it is necessary to provide a kind of new stainless steel composite base production technologies to solve above-mentioned technical problem.
Utility model content
It is stainless the technical problem to be solved by the present invention is to provide a kind of device of electroslag melting stainless steel composite base
Steel coating and carbon steel base are by metallurgical bonding, and interface quality is good, will not be generated in subsequent rolling mill practice in conjunction with not
Good, shelling, the defects of coating thickness is uneven.
To solve the above-mentioned problems, the technical solution of the utility model is as follows:
A kind of device of electroslag melting stainless steel composite base, including pedestal, it is set to the pedestal and spaced vertical
Column and plug support frame, the plug for being supported in the plug support frame, the circular plug support frame are arranged and can be along described vertical
The crystallizer support frame of column sliding is supported in the crystallizer support frame and the concentric and spaced crystallization with the plug
Device, above the crystallizer and can be slided along the column electrode holder, be fixed on the electricity of the electrode holder
What the first driving device and the driving electrode holder that pole, the driving crystallizer support frame slide up and down slided up and down
Second driving device, the orthographic projection of the electrode is in the gap between the crystallizer and the plug.
Further, the first driving motor of first driving device dress packet, by the of first driving motor driving
One drive lead screw, the first nut set on the crystallizer support frame and with first drive lead screw mating connection.
Further, second driving device includes the second driving motor, by the of second driving motor driving
Two drive lead screws, the second nut set on the electrode holder and with second drive lead screw mating connection.
Further, further include the mandril support frame being set to above the electrode holder, be fixed on the mandril support
Frame simultaneously runs through the electrode holder and the positioning mandril for plug positioning.
Further, the cross sectional shape of the plug is round or rectangular.
Further, the quantity of the electrode is at least one, and the coating section of the sectional area of electrode and mandrel surface
Product is identical.
Further, the quantity of the electrode is at least three, is uniformly distributed around the plug.
Further, the crystallizer includes inner wall, roof and bottom wall, and the inner wall includes being arranged with the plug interval
And the connection wall of gap the first inner wall not etc. and the second inner wall and connection first inner wall and the second inner wall, described first
The gap of inner wall and the plug is less than the gap of second inner wall and the plug, and first inner wall and the bottom wall connect
It connects, second inner wall is connect with the roof, and the gap between second inner wall and the plug forms slag bath, described
Gap between first inner wall and the plug forms molten bath.
Further, first inner wall and the gap thickness of the plug and the coating thickness of mandrel surface are suitable.
Further, the connection wall is oblique, and second inner wall and the tie point of the connection wall are higher than institute
State the tie point of the first inner wall Yu the connection wall.
Compared with prior art, the device of electroslag melting stainless steel composite base provided by the utility model, beneficial effect
It is:
The device of electroslag melting stainless steel composite base provided by the utility model, first driving device drive crystallizer branch
Support slides up and down, so that crystallizer be driven to slide up and down, the second driving device driving electrodes support frame is slided up and down, thus band
Moving electrode slides up and down；When work, electroslag is poured into the gap that crystallizer and plug are formed, the second driving device of starting makes electricity
Pole is inserted into electroslag, by electroslag remelting principle, electric current is made to form current loop in electrode, electroslag, plug support frame, and utilize
Electric current passes through the resistance heat heating consumable electrode generated when slag；The solution electrode of fusing sinks to the gap of crystallizer and plug
In, the resistance heat that electroslag generates heats the plug being in contact with it and molten bath simultaneously；As the solution electrode of fusing increases, starting the
One driving device rises crystallizer slowly, and the speed of the speed and electrode melting that rise is consistent, and the electrode of bottom is molten
Liquid starts to solidify and be attached to mandrel surface, forms coating steel billet；With the slow rising of crystallizer, coating wraps up entire plug
Surface.By the device of electroslag melting stainless steel composite base provided by the utility model, keep stainless steel cladding and carbon steel base logical
Metallurgical bonding is crossed, and interface quality is good, will not be generated in subsequent rolling mill practice in conjunction with bad, shelling, coating thickness
The defects of uneven；And the preparation process of stainless steel composite base is simple, high production efficiency can be applied to different size shape
Composite steel billet；In composite steel billet preparation process, motor and plug are motionless and move crystallizer, facilitate the work of founding strip
Part makes the length of finished product composite steel billet can be substantially larger than the height of crystallizer.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the unit state one of electroslag melting stainless steel composite base provided by the utility model；
Fig. 2 is the structural schematic diagram of the unit state two of electroslag melting stainless steel composite base provided by the utility model；
Fig. 3 is the structural schematic diagram of crystallizer in the device of the base of electroslag melting stainless steel composite shown in Fig. 2；
Fig. 4 is the partial structure diagram for preparing round composite steel billet；
Fig. 5 is the partial structure diagram for preparing rectangular composite steel billet.
Specific embodiment
In order to make those skilled in the art more fully understand the technical scheme in the embodiment of the utility model, and make this reality
Can be more obvious and easy to understand with novel above objects, features, and advantages, with reference to the accompanying drawing to the specific reality of the utility model
The mode of applying is further described.
It should be noted that being used to help understand the utility model for the explanation of these embodiments, but not
Constitute the restriction to the utility model.In addition, technology involved in the various embodiments of the present invention described below
Feature can be combined with each other as long as they do not conflict with each other.
Fig. 1 and Fig. 2 are please referred to, wherein Fig. 1 is electroslag melting stainless steel composite base provided by the utility model
The structural schematic diagram of unit state one；Fig. 2 is the unit state of electroslag melting stainless steel composite base provided by the utility model
Two structural schematic diagram.The device 100 of electroslag melting stainless steel composite base provided by the utility model includes pedestal 1, column
2, plug support frame 3, plug 4, crystallizer support frame 5, crystallizer 6, electrode holder 7, electrode 8, first driving device 9,
Two driving devices 10, mandril support frame 11, positioning mandril 12.
The device 100 of the electroslag melting stainless steel composite base of the novel offer of the application, for being formed on the surface of plug 4
Coating 15, composite steel billet 200 (referring to fig. 4, Fig. 5) is prepared.Below to the electroslag melting stainless steel double of the utility model
The device 100 for closing steel billet is described in detail.
Pedestal 1 is used as supporter, is used to support column 2 and plug support frame 3, and column 2 and the interval of plug support frame 3 are set
It sets.Its central post 2 is cylindrical, and top is equipped with column cover board 201, and column cover board 201 is for connecting other component；Plug branch
Support 3 is made of an electrically conducting material.
Plug 4 is supported in plug support frame 3, and material can be carbon steel or Hi-Stren steel, has mechanical property
The features such as excellent, such as: HRB400 carbon steel or HRB500 carbon steel.In whole work process, it is desirable that plug 4 does not move, due to
Volume, the weight of plug 4 are sufficiently large, therefore are operationally also satisfiable in the case where not setting any fixed device；
But in order to improve the reliability of operation, plug 4 is positioned to and prevented its offset preferably through setting positioning device, guarantees core
Stick 4 and crystallizer 6 are concentric.Specifically, being positioned using positioning mandril 12 to plug 4, the end of plug 4 is in tip-like,
In the course of work, the top of plug 4 is withstood in the tip-like end of positioning mandril 12, to prevent plug 4 from shaking.
In present embodiment, the cross sectional shape of plug 4 is circle or rectangular, with specific reference to the design specification and shape of steel billet
It determines.
In present embodiment, positioning mandril 12 is fixed by mandril support frame 11, the fixation of mandril support frame 11 and column 2,
And it is located at 7 top of electrode holder；And 12 penetrating electrode support frame 7 of positioning mandril is arranged.
Crystallizer support frame 5 is arranged around plug support frame 3, and has certain gap between plug support frame 3；And
Crystallizer support frame 5 is sheathed on 2 outer surface of column, can slide up and down along the extending direction of column 2, when crystallizer support frame 5 to
When upper sliding, crystallizer support frame 5 is moved relative to plug support frame 3.
In present embodiment, crystallizer support frame 5 is driven by first driving device 9, and first driving device 9 includes the first drive
Dynamic motor 901, the first drive lead screw 902 driven by the first driving motor 901 are set to crystallizer support frame 5 and pass with first
The first nut 903 that dynamic screw rod 902 is cooperatively connected, wherein the first driving motor 901 is fixed on column cover board 201.Starting the
One driving motor 901, driving the first drive lead screw 902 rotation, by the transmission of the first drive lead screw 902 and the first nut 903
Power realizes that crystallizer support frame 5 slides up and down, and crystallizer support frame 5 is slided up and down through the first driving motor 901
Rotate and reverse realization.
Crystallizer 6 is supported in crystallizer support frame 5 and and interval setting concentric with plug 4.In present embodiment, in plug
Surface coating be to be formed in gap between crystallizer 6 and plug 4.Crystallizer 6 and plug 4 are concentric, are to guarantee to cover
The uniformity of thickness degree.
Specifically, the position, matching relationship between crystallizer 6 and plug 4 are as follows:
Fig. 3 is please referred to, is the structural representation of crystallizer in the device of the base of electroslag melting stainless steel composite shown in Fig. 2
Figure.Crystallizer 6 includes inner wall 601, roof 602 and bottom wall 603, inner wall 601 include with plug 4 be spaced setting and gap not etc.
First inner wall 604 and the second inner wall 605 and the connection wall 606 for connecting the first inner wall 604 and the second inner wall 605, the first inner wall
604 gap with the gap of plug 4 less than the second inner wall 605 and the plug 4, the first inner wall 604 are connect with bottom wall 603, the
Two inner walls 605 are connect with roof 602, and the gap between the second inner wall 605 and plug 4 forms slag bath 607, for accommodating electricity
Slag；Gap between first inner wall 604 and plug 4 forms molten bath 608, for accommodating the solution electrode of fusing.
The inner hole that first inner wall 604 is enclosed is consistent with the shape of plug 4, and the gap of the first inner wall 604 and plug 4
Thickness is suitable with the coating thickness of mandrel surface, and the composite steel billet one-pass molding of formation can omit the techniques such as subsequent dimensioned.
Preferably, connection wall 606 is oblique, and the second inner wall 605 and the tie point of connection wall 606 are higher than the first inner wall
604 with the tie point of connection wall 606, so that connection wall 606 is tilted down setting, be conducive to the solution electrode formed in work and flow
To molten bath.
In present embodiment, crystallizer 6 is water mold, is provided with water inlet (not labeled) and water outlet (is not marked
Number), i.e., using the metal of the cooling molten bath bottom of cooling water, it is allowed to crystallization and freezing and is attached to 4 surface of plug and forms coating；Together
When, the circulation of cooling water can prevent crystallizer 6 itself from melting.
Electrode holder 7 is for fixing electrode 8, and electrode holder 7 can be slided up and down along the extending direction of column, make electricity
Pole 8, which declines, to be sunk in the slag bath that crystallizer 6 and plug 4 are formed.
In present embodiment, electrode holder 7 is driven by the second driving device 10, and the second driving device 10 includes the second drive
Dynamic motor 1001, the second drive lead screw 1002 driven by the second driving motor 1001 are set to electrode holder 7 and pass with second
The second nut 1003 that dynamic screw rod 1002 is cooperatively connected, wherein the second driving motor 1001 is fixed on column cover board 201.Starting the
Two driving motors 1001, driving the second drive lead screw 1002 rotation, by the second drive lead screw 1002 and the second nut 1003
Driving force, driving electrodes support frame 7 slide up and down, and electrode holder 7 is slided up and down through the second driving motor 1001
Rotate and reverse realization.
Electrode 8 is fixed on electrode holder 7, it is preferred that fixed by terminal clamp 13.Terminal clamp 13 and electrode supporting
Frame 7 is fixedly connected, and terminal clamp 13 grips electrode 8.
The orthographic projection of electrode 8 is in the gap between crystallizer 6 and plug 4, i.e., when driving electrodes support frame 7 glides
When, electrode 8 declines and sinks in slag bath 607.Motor 8 is consutrode, and electric current passes through the resistance heat heating generated when electroslag, melts
Polarizing electrode, and be attached to 4 surface of plug and form coating.
In the present embodiment, material selection SUS304, SUS316 or other resistant materials of electrode 8.The quantity of electrode 8 can
Think one, two, three or more, the sectional area for meeting electrode 8 is identical as the coating sectional area of mandrel surface, thus
The thickness for facilitating control coating, in operating process, the rate of climb and electrode melting speed for passing through control crystallizer 6 keep one
It causes.
Preferably, the quantity of electrode 8 is at least three, and circular plug 4 is uniformly distributed, and further ensures that coating thickness
Uniformity.
The device 100 of electroslag melting stainless steel composite base provided by the utility model, its working principles are as follows:
When work, electroslag is poured into the gap that crystallizer 6 and plug 4 are formed, at this point, electroslag melting stainless steel composite
The structure of the device 100 of base is as shown in Figure 1；
Starting the second driving device 10 is inserted into electrode 8 in electroslag, by electroslag remelting principle, makes electric current in electrode 8, electricity
Slag, plug support frame 3 form current loop, and the resistance heat heating consumable electrode 8 that while passing through slag using electric current generates；
The solution electrode of fusing is sunk in the molten bath 608 that crystallizer 6 and plug 4 are formed, and the resistance heat that electroslag generates is simultaneously
Heat the plug 4 being in contact with it and molten bath 608；
As the solution electrode of fusing increases, starting first driving device 9 rises crystallizer 6 slowly, the speed risen
It spends and is consistent with the speed of electrode melting, the solution electrode of bottom starts to solidify and be attached to 4 surface of plug, forms clad steel
Base, as shown in Figure 2；
With the slow rising of crystallizer 6, coating wraps up entire mandrel surface.The composite steel billet structure being prepared please be tied
It closes refering to Fig. 4 and Fig. 5, wherein Fig. 4 is the partial structure diagram for preparing round composite steel billet, and Fig. 5 is to prepare rectangular clad steel
The partial structure diagram of base.
In the utility model, electric current is formed into a loop between electrode, electroslag and plug support frame after energization, therefore plug branch
Support and terminal clamp are conductive material, accordingly, insulation board 14 are arranged between plug support frame 3 and pedestal 1, and in electricity
Insulation board 14 is arranged in the junction of pole collet 13 and electrode holder 7, to reduce current loss, and improves the safety of device.
It should be noted that the term positions such as "upper", "lower", "top", "bottom" only indicate relative position in present embodiment
Relationship, after the absolute position for being described object changes, then the relative position may also correspondingly change.
It should be noted that the device of electroslag melting stainless steel composite base provided by the utility model, according to coating material
SUS304, SUS316 or other resistant materials can be selected in the material of the difference of material, the electrode as mentioned in specification, therefore
The composite steel billet being prepared is not limited to stainless steel composite base.
The device of electroslag melting stainless steel composite base provided by the utility model, passes through stainless steel cladding with carbon steel base
Metallurgical bonding, and interface quality is good, will not be generated in subsequent rolling mill practice in conjunction with bad, shelling, coating thickness not
The defects of uniform；And the preparation process of stainless steel composite base is simple, high production efficiency can be applied to answering for different size shape
Close steel billet.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and the highlights of each of the examples are differences from other embodiments.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to institute
The embodiment of description.To those skilled in the art, in the case where not departing from the principles of the present invention and spirit
A variety of change, modification, replacement and modification that these embodiments carry out are still fallen within and are within the protection scope of the utility model.
Claims (10)
1. a kind of device of electroslag melting stainless steel composite base, which is characterized in that including pedestal, be set to the pedestal and interval
The column and plug support frame of setting, the plug for being supported in the plug support frame, around the plug support frame setting and can
Along the column sliding crystallizer support frame, be supported in the crystallizer support frame and with the plug it is concentric and interval be arranged
Crystallizer, above the crystallizer and can along the column slide electrode holder, be fixed on the electrode supporting
Above and below the first driving device and the driving electrode holder that electrode, the driving crystallizer support frame of frame slide up and down
Second driving device of sliding, the orthographic projection of the electrode is in the gap between the crystallizer and the plug.
2. the device of electroslag melting stainless steel composite base according to claim 1, which is characterized in that first driving
The first driving motor of device dress packet is supported by the first drive lead screw of first driving motor driving, set on the crystallizer
Frame and the first nut being cooperatively connected with first drive lead screw.
3. the device of electroslag melting stainless steel composite base according to claim 2, which is characterized in that second driving
Device includes the second driving motor, the second drive lead screw driven by second driving motor, is set to the electrode holder
And the second nut being cooperatively connected with second drive lead screw.
4. the device of electroslag melting stainless steel composite base according to claim 1, which is characterized in that further include being set to institute
The mandril support frame above electrode holder is stated, the mandril support frame is fixed on and through the electrode holder and for core
The positioning mandril of stick positioning.
5. the device of electroslag melting stainless steel composite base according to claim 1, which is characterized in that the plug is cut
Face shape is round or rectangular.
6. the device of electroslag melting stainless steel composite base according to claim 1, which is characterized in that the number of the electrode
Amount is at least one, and the sectional area of electrode is identical as the coating sectional area of mandrel surface.
7. the device of electroslag melting stainless steel composite base according to claim 6, which is characterized in that the number of the electrode
Amount is at least three, is uniformly distributed around the plug.
8. the device of electroslag melting stainless steel composite base according to claim 1, which is characterized in that the crystallizer packet
Include inner wall, roof and bottom wall, the inner wall includes with plug interval setting and in the first inner wall and second of gap not etc.
The gap of the connection wall of wall and connection first inner wall and the second inner wall, first inner wall and the plug is less than described
The gap of second inner wall and the plug, first inner wall are connect with the bottom wall, and second inner wall and the roof connect
Connect, and gap between second inner wall and the plug forms slag bath, between first inner wall and the plug between
Gap forms molten bath.
9. the device of electroslag melting stainless steel composite base according to claim 8, which is characterized in that first inner wall
And the gap thickness of the plug is suitable with the coating thickness of mandrel surface.
10. the device of electroslag melting stainless steel composite base according to claim 8, which is characterized in that the connection wall
Obliquely, and the tie point of second inner wall and the connection wall is higher than the connection of first inner wall and the connection wall
Point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822168096.9U CN209379896U (en) | 2018-12-24 | 2018-12-24 | A kind of device of electroslag melting stainless steel composite base |
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| CN201822168096.9U CN209379896U (en) | 2018-12-24 | 2018-12-24 | A kind of device of electroslag melting stainless steel composite base |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590054A (en) * | 2020-04-28 | 2020-08-28 | 湖南力方轧辊有限公司 | Device and method for preparing bimetal clad roller by ingot drawing type electroslag remelting method |
-
2018
- 2018-12-24 CN CN201822168096.9U patent/CN209379896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590054A (en) * | 2020-04-28 | 2020-08-28 | 湖南力方轧辊有限公司 | Device and method for preparing bimetal clad roller by ingot drawing type electroslag remelting method |
| CN111590054B (en) * | 2020-04-28 | 2021-10-29 | 湖南力方轧辊有限公司 | Device and method for preparing bimetal clad roller by ingot drawing type electroslag remelting method |
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