CN109604568B - Follow-up, sectional and step-by-step forming device and forming method for electroslag casting blade - Google Patents
Follow-up, sectional and step-by-step forming device and forming method for electroslag casting blade Download PDFInfo
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- CN109604568B CN109604568B CN201910046866.9A CN201910046866A CN109604568B CN 109604568 B CN109604568 B CN 109604568B CN 201910046866 A CN201910046866 A CN 201910046866A CN 109604568 B CN109604568 B CN 109604568B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/06—Melting-down metal, e.g. metal particles, in the mould
- B22D23/10—Electroslag casting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a follow-up sectional progressive forming device and a forming method for electroslag casting blades. The follow-up and sectional step-by-step forming device of the electroslag casting blade comprises a base, wherein a bottom water tank is arranged on the base, a split crystallizer is arranged on the bottom water tank, and a crystallizer follow-up device is arranged between the bottom water tank and the base; an electrode supporting seat is arranged on the electrode supporting frame in a lifting manner, an electrode holder is arranged on the electrode supporting seat, a consumable electrode is fixedly clamped on the electrode holder, and an electrode follow-up device is arranged between the electrode holder and the electrode supporting seat; the split crystallizer comprises a plurality of crystallizer layer moulds which are sequentially and fixedly connected from bottom to top, each crystallizer layer mould is provided with a crystallizer layer cavity, and the plurality of crystallizer layer cavities are communicated up and down to form a special-shaped cavity. The invention utilizes the split crystallizer with a layered structure, can reduce the variation of the curved surface during casting of the single-layer blade, and the consumable electrode is easy to be inserted into the layer cavity of the single-layer crystallizer by the up-down follow-up matching.
Description
Technical Field
The invention relates to the technical field of blade manufacturing, in particular to a follow-up sectional progressive forming device and a sectional progressive forming method for electroslag casting blades.
Background
The known blade and spiral blade are formed by casting with sand mould, i.e. firstly making workpiece mould, then making sand mould, pouring liquid steel (or other metal alloy) into the sand mould, after the metal is cooled, removing the sand mould so as to obtain the workpiece. The blade and the helical blade cast by the method have loose internal tissues, are easy to generate internal defects such as air holes, cracks and the like in the blade in the casting process, and have low overall quality and short service life.
Electroslag smelting casting is one-step process to refine metal and cast and produce high-quality alloy casting, and its basic equipment includes electroslag furnace, crystallizer and power transformer, in which a special-shaped cavity for casting is set, and a cooling device is equipped, and during casting, a consumable electrode is inserted into the liquid slag in the cavity, and the consumable electrode is continuously melted by means of resistance heat produced by passing current through the liquid slag, and the molten metal is converged into drops, and passed through slag layer and dropped into metal molten pool, at the same time solidified into casting in the special-shaped cavity. The casting obtained by the process has the advantages of pure metal, compact metal structure, uniform components and structures, crystal refinement, smooth casting surface and the like, and is an ideal blade casting technology.
However, in practical application, because the blades (such as an impeller of a generator, a helical blade and the like) are parts with more complex curved surfaces, the special-shaped cavity also becomes a more complex shape matched with the special-shaped cavity; in addition, the cavity wall is mostly made of conductive metal materials, the consumable electrode is required to be made into a structure similar to that of the special-shaped cavity so as to form uniform molten drops, and the consumable electrode is required to be kept incapable of contacting the cavity wall to generate short circuit, so that the consumable electrode is difficult to smoothly extend into the special-shaped cavity to form good molten drops, the electroslag casting technology is difficult to apply in the blade casting industry, and no related technology capable of solving the problems exists at present.
Disclosure of Invention
The invention aims to solve the technical problems of difficult extension of a consumable electrode into a special-shaped cavity and short circuit of a contact wall caused by complex shapes of the blade and the special-shaped cavity, and provides a follow-up and sectional step-by-step forming device and a forming method for an electroslag casting blade, so that the electroslag casting technology can be applied to the field of blade casting.
In order to solve the technical problems, the technical scheme of the invention is as follows: the follow-up and sectional step-by-step forming device for the electroslag casting blade comprises a base, wherein a bottom water tank is arranged on the base, a split crystallizer is arranged on the bottom water tank, and a crystallizer follow-up device is arranged between the bottom water tank and the base; an electrode supporting frame is relatively fixedly arranged on one side of the base, an electrode supporting seat is slidably arranged on the electrode supporting frame, and a lifting driving device is arranged between the electrode supporting seat and the electrode supporting frame; an electrode holder is arranged on the electrode supporting seat, a consumable electrode is fixedly clamped on the electrode holder, and an electrode follow-up device is arranged between the electrode holder and the electrode supporting seat; the split crystallizer comprises a plurality of crystallizer layer molds which are sequentially and fixedly connected from bottom to top, a crystallizer layer cavity is arranged on each crystallizer layer mold, and the plurality of crystallizer layer cavities are communicated up and down to form a special-shaped cavity which is matched with the shape of the blade.
As an optimal technical scheme, the crystallizer follow-up device comprises a crystallizer transverse adjusting device, a crystallizer dip angle adjusting device and a crystallizer corner adjusting device.
As the preferable technical scheme, the crystallizer transverse adjusting device comprises a first crystallizer transverse adjusting seat which is transversely and slidably arranged on the base, a first crystallizer transverse adjusting driver is connected between the first crystallizer transverse adjusting seat and the base, a second crystallizer transverse adjusting seat is transversely and slidably arranged on the first crystallizer transverse adjusting seat, the sliding directions of the second crystallizer transverse adjusting seat and the first crystallizer transverse adjusting seat are crosswise, and a second crystallizer transverse adjusting driver is connected between the second crystallizer transverse adjusting seat and the first crystallizer transverse adjusting seat.
As an optimized technical scheme, the crystallizer dip angle adjusting device comprises a crystallizer swing seat hinged on the second transverse adjusting seat of the crystallizer, and a crystallizer swing driver is connected between the crystallizer swing seat and the second transverse adjusting seat of the crystallizer.
As the preferable technical scheme, the crystallizer corner adjusting device comprises a crystallizer rotating seat which is installed on the crystallizer swinging seat in a circumferential rotating way, and a circumferential rotating connecting device and a crystallizer rotating driver are arranged between the crystallizer rotating seat and the crystallizer swinging seat.
As an optimal technical scheme, the electrode follow-up device comprises an electrode transverse adjusting device, an electrode inclination angle adjusting device and an electrode rotation angle adjusting device.
As an optimal technical scheme, the crystallizer layer die comprises a plurality of crystallizer split dies which are transversely and sequentially connected, wherein cavity split pieces are arranged on the crystallizer split dies, and the cavity split pieces on the same layer of the crystallizer split dies jointly form a cavity wall of a crystallizer layer cavity.
As a preferable technical scheme, each mold is connected with a mold cooling device.
The forming method of the electroslag casting blade follow-up and sectional step-by-step forming device comprises the following steps:
step one: placing the bottom-most layer mold on the bottom water tank;
step two: driving the electrode supporting seat to descend, and simultaneously driving the crystallizer follow-up device and the electrode follow-up device to enable the lower end of the consumable electrode to extend into the crystallizer layer cavity to start electroslag casting;
step three: after the electroslag casting in the crystallizer layer mould at the bottommost layer is finished, driving the electrode supporting seat to rise, enabling the consumable electrode to withdraw from the crystallizer layer cavity, fixedly connecting an adjacent crystallizer layer mould on the crystallizer layer mould at the bottommost layer, repeating the second step, and sequentially and electrically slag casting from the lower layer to the upper layer, wherein the position state of the consumable electrode is always consistent with the crystallizer layer cavity through the crystallizer follow-up device and the electrode follow-up device in the electroslag casting process, and the consumable electrode is prevented from contacting with the cavity wall of the crystallizer layer cavity until the split crystallizer is completely electroslag cast;
step four: and removing the split crystallizer after the casting is cooled, and completing electroslag casting of the blade.
As an optimal technical scheme, a plurality of layers of crystallizer layer molds at the bottom are sequentially and fixedly arranged on the bottom water tank from bottom to top.
By adopting the technical scheme, the split crystallizer with a layered structure can reduce the variation of the curved surface during partial casting of the single-layer blade, and meanwhile, the consumable electrode can be easily inserted into the layer cavity of the single-layer crystallizer through the up-down follow-up matching, and the blade casting is formed through multi-layer separate casting, so that the problems that the consumable electrode is difficult to extend into a special-shaped cavity and the easy-to-touch wall is short-circuited in the prior art are solved, and the electroslag casting technology can be applied to the field of blade casting.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention, illustrating the electroslag casting state of the bottom-most mold parting;
FIG. 2 is a schematic diagram showing the perspective structure of the bottom mold of the mold according to the embodiment of the present invention;
FIG. 3 is a schematic diagram showing the assembled structure of the bottom mold and the second mold according to the embodiment of the present invention;
FIG. 4 is a schematic perspective view of a split crystallizer according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing a three-dimensional sectional structure of a single mold for mold separation according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a follow-up device of a crystallizer according to an embodiment of the present invention;
FIG. 7 is a schematic view of the structure of an electrode follow-up device according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a cast blade according to an embodiment of the present invention.
In the figure: 1-a base; 11-bottom tank; 2-split crystallizer; 21-crystallizer layer mould; 22-crystallizer layer cavity; 23-mold separation; 24-cavity slicing; 25-mold-separating cooling chamber; 3-crystallizer follow-up device; 31-a first transversal adjustment seat of the crystallizer; 32-a first pitch drive of the crystallizer; 33-a second horizontal adjusting seat of the crystallizer; 34-a second pitch drive of the crystallizer; 35-a crystallizer swinging seat; 36-crystallizer swing drive; 37-a crystallizer rotating seat; 38-crystallizer turning drive; 39-a circumferential rotary connection; 4-electrode support frame; 41-lifting driving motor; 5-an electrode support base; 6-electrode holder; 7-electrode follow-up device; 8-a consumable electrode; 9-leaf.
Detailed Description
The invention is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.
As shown in fig. 1 to 8, the follow-up and sectional progressive forming device for electroslag casting blades comprises a base 1, wherein the base 1 can be fixed or movable, and when movable, the base 1 can adopt a trolley.
The base 1 is provided with a bottom water tank 11, the bottom water tank 11 is provided with a split crystallizer 2, and the bottom water tank 11 is a structure for cooling metal droplets and connecting bottom electrodes, which are well known to those skilled in the art, and will not be described herein. The split crystallizer 2 comprises a plurality of crystallizer layer dies 21 which are sequentially and fixedly connected from bottom to top, a crystallizer layer cavity 22 is arranged on each crystallizer layer die 21, and a plurality of crystallizer layer cavities 22 are communicated up and down to form a special-shaped cavity matched with the shape of the blade 9. In this embodiment, the existing crystallizer is changed into a structure of a plurality of layers of the layer molds 21, and casting is performed in layers, so that the curved surface variation of each layer of the layer cavity 22 of the crystallizer can be reduced, and the consumable electrode 8 is easier to insert.
As shown in fig. 2 to 5, the mold layer 21 in this embodiment includes a plurality of mold sub-molds 23 that are connected in sequence in a transverse direction, the mold sub-molds 23 are provided with cavity sub-pieces 24, and the cavity sub-pieces 24 on the same layer of the plurality of mold sub-molds 23 together form a cavity wall of the mold layer cavity 22; namely, each layer of the crystallizer layer mold 21 is divided into a plurality of crystallizer split molds 23, so that the volume of a single crystallizer split mold 23 is reduced, the manufacture, the maintenance and the replacement are convenient, and the split crystallizer 2 is convenient to dismantle after the integral casting is finished. The mold 23 is connected with a mold cooling device, in this embodiment, on the basis of cooling of the bottom water tank 11, one mold cooling device is disposed corresponding to each mold 23, the mold cooling device may adopt a structure close to a mold cooling chamber 25 disposed corresponding to the cavity piece 24, the mold cooling chamber 25 is connected with a cooling water inlet pipe and a cooling water outlet pipe extending out of the mold 23, so that a plurality of mold cooling chambers 25 are equal to form a cooling layer outside the special-shaped cavity, and are beneficial to promoting solidification and crystallization of molten drops.
As shown in fig. 1 and 6, a crystallizer follow-up device 3 is arranged between the bottom water tank 11 and the base 1, and the crystallizer follow-up device 3 comprises a crystallizer transverse adjusting device, a crystallizer dip angle adjusting device and a crystallizer corner adjusting device.
The lateral adjustment device for a crystallizer in this embodiment includes a first lateral adjustment seat 31 for a crystallizer mounted on the base 1 in a sliding manner, a first lateral adjustment driver 32 for the crystallizer is connected between the first lateral adjustment seat 31 for the crystallizer and the base 1, a second lateral adjustment seat 33 for the crystallizer is mounted on the first lateral adjustment seat 31 in a sliding manner, the second lateral adjustment seat 33 for the crystallizer is crossed with the sliding direction of the first lateral adjustment seat 31 for the crystallizer, in this embodiment, the first lateral adjustment seat 31 for the crystallizer is vertically arranged, and a second lateral adjustment driver 34 for the crystallizer is connected between the second lateral adjustment seat 33 for the crystallizer and the first lateral adjustment seat 31 for the crystallizer. The first and second lateral adjustment drives 32 and 34 may be cylinders, electric push rods, etc., and the lateral sliding mounting is a well-known common technology, which is not described herein and is not shown in the drawings. By the transverse sliding of the first transverse adjusting seat 31 and the second transverse adjusting seat 33 of the crystallizer in different directions, the split crystallizer 2 can move in any direction on a two-dimensional plane of a horizontal plane, and the transverse adjustment is formed.
The crystallizer dip angle adjusting device comprises a crystallizer swinging seat 35 which is hinged on the second transverse adjusting seat 33 of the crystallizer, and a crystallizer swinging driver 36 is connected between the crystallizer swinging seat 35 and the second transverse adjusting seat 33 of the crystallizer. The crystallizer swing driver 36 may be an oil cylinder, an air cylinder or an electric push rod connected between one end of the crystallizer swing seat 35 and the second lateral adjustment seat 33 of the crystallizer, and the hinged installation is a manner of realizing the swinging of the crystallizer swing seat 35, which is a well-known common technique and will not be repeated herein. The inclination angle of the split mold 2 is changed by raising or lowering one end of the mold swing seat 35 by the mold swing driver 36, and thus an inclination angle adjustment is formed.
The crystallizer corner adjusting device comprises a crystallizer rotating seat 37 which is rotatably arranged on the crystallizer swinging seat 35 along the circumferential direction, and a circumferential rotation connecting device 39 and a crystallizer rotation driver 38 are arranged between the crystallizer rotating seat 37 and the crystallizer swinging seat 35. The circumferential rotation connection device 39 may be a structure in which at least three circumferentially uniformly distributed rotation wheels are correspondingly disposed on the crystallizer rotation seat 37, or a structure in which at least three pairs of circumferentially uniformly distributed guide bearings are disposed on the crystallizer rotation seat 37 and at least three pairs of circumferentially uniformly distributed guide bearings are disposed on the crystallizer rotation seat 35. The crystallizer rotating device comprises a crystallizer rotating driving motor fixedly arranged on a crystallizer swinging seat 35, a driving gear is arranged at the output end of the crystallizer rotating driving motor, a driven gear corresponding to the driving gear is coaxially arranged on a crystallizer rotating seat 37, and the rotation adjustment of the split crystallizer 2 is realized through the guiding of a circumferential rotating connecting device 39 and the driving and gear transmission of the crystallizer rotating driving motor.
In this embodiment, the structure is designed on the base 1 according to the sequence of horizontal adjustment, inclination adjustment and rotation adjustment from bottom to top, and it will be appreciated by those skilled in the art that any sequence of the above three designs may achieve the adjustment of the horizontal, inclination and rotation of the split crystallizer 2 in this embodiment, so that the sequence of the above three adjustments is not fixed, and the structure designed according to any sequence should be within the scope of the present invention, for example, the structure is designed according to the sequence of the horizontal adjustment, inclination adjustment and rotation adjustment from bottom to top, the first crystallizer swinging seat 35 is hinged on the base 1, the first crystallizer horizontal adjustment seat 31 and the second crystallizer horizontal adjustment seat 33 are sequentially slidingly installed on the first crystallizer horizontal adjustment seat 35, and the second crystallizer horizontal adjustment seat 33 is circumferentially rotatably installed on the second crystallizer horizontal adjustment seat 37.
As shown in fig. 1 and 7, an electrode support 4 is relatively fixed on one side of the base 1, and the electrode support 4 may be directly fixed on the base 1, or may be separately disposed with the base 1 and relatively fixed, which is illustrated in this embodiment according to the latter. The electrode support frame 4 is provided with an electrode support seat 5 in a sliding manner, a lifting driving device is arranged between the electrode support seat 5 and the electrode support frame 4 and comprises a lifting driving motor 41 fixedly arranged on the electrode support frame 4, and the output end of the lifting driving motor 41 is in screw transmission with the electrode support seat 5. The electrode holder 6 is disposed on the electrode support base 5, and the electrode holder 6 is a known technology and will not be described herein. The consumable electrode 8 is fixedly clamped on the electrode clamp holder 6, and an electrode follow-up device 7 is arranged between the electrode clamp holder 6 and the electrode supporting seat 5. The electrode follow-up device 7 comprises an electrode transverse adjusting device, an electrode inclination angle adjusting device and an electrode rotation angle adjusting device. The arrangement of the electrode follower 7 is similar to that of the crystallizer follower 3, and can be easily understood by those skilled in the art according to the structure and the illustration of the crystallizer follower 3, and will not be described herein.
The forming method of the electroslag casting blade follow-up and sectional step-by-step forming device comprises the following steps:
step one: the bottom-most mold 21 is placed on the bottom tank 11.
Step two: the electrode supporting seat 5 is driven to descend, and meanwhile the crystallizer follow-up device 3 and the electrode follow-up device 7 are driven to enable the lower end of the consumable electrode 8 to extend into the crystallizer layer cavity 22, and electroslag casting is started; the following-up adjustment mode can be specifically adjusted according to the shape of the layer cavity 22 of the crystallizer and the shape of the corresponding consumable electrode 8, and the adjustment process can be input into a controller in advance, and the controller is made by a controller which is a well-known common technology, and is not described in detail herein and is not shown in the figure.
Step three: after the electroslag casting in the crystallizer layer mould 21 at the bottommost layer is finished, the electrode supporting seat 5 is driven to rise, so that the consumable electrode 8 is withdrawn from the crystallizer layer cavity 22, then the crystallizer layer mould 21 at the bottommost layer is fixedly connected with the next crystallizer layer mould 21, the second step is repeated, the electroslag casting is sequentially carried out from the lower layer to the upper layer, and the position state of the consumable electrode 8 and the crystallizer layer cavity 22 are kept consistent all the time through the crystallizer follow-up device 3 and the electrode follow-up device 7 in the electroslag casting process until the split crystallizer 2 is completely subjected to the electroslag casting.
Step four: and after the casting is cooled, the split crystallizer 2 is dismantled, and the electroslag casting of the blade 9 is completed.
In the first step of this embodiment, the bottom several layers of the mold layer 21 may be sequentially and fixedly disposed on the bottom water tank 11 from bottom to top, where the amount of change of the curved surface of the partial special-shaped cavity formed by the bottom several layers of the mold layer cavity 22 is not large; in the third step, the upper part of the mold 21 adjacent to each other may be sequentially and fixedly connected to be subjected to electroslag casting.
The split crystallizer 2 with a layered structure is utilized in the embodiment, the variation of the curved surface during partial casting of the single-layer blade 9 can be reduced, meanwhile, the consumable electrode 8 can be easily inserted into the single-layer crystallizer layer cavity 22 through the cooperation of up-down follow-up, and the blade 9 casting is formed through multi-layer separate casting, so that the problems that the consumable electrode 8 is difficult to stretch into a special-shaped cavity and the easy contact wall is short-circuited in the prior art are solved, and the electroslag casting technology can be applied to the field of blade 9 casting.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. Electroslag casting blade follow-up, segmentation step by step forming device, including the base, its characterized in that: a bottom water tank is arranged on the base, a split crystallizer is arranged on the bottom water tank, and a crystallizer follow-up device is arranged between the bottom water tank and the base; an electrode supporting frame is relatively fixedly arranged on one side of the base, an electrode supporting seat is slidably arranged on the electrode supporting frame, and a lifting driving device is arranged between the electrode supporting seat and the electrode supporting frame; an electrode holder is arranged on the electrode supporting seat, a consumable electrode is fixedly clamped on the electrode holder, and an electrode follow-up device is arranged between the electrode holder and the electrode supporting seat;
the split crystallizer comprises a plurality of crystallizer layer molds which are sequentially and fixedly connected from bottom to top, a crystallizer layer cavity is arranged on each crystallizer layer mold, and the plurality of crystallizer layer cavities are communicated up and down to form a special-shaped cavity which is matched with the shape of the blade; the crystallizer layer die comprises a plurality of crystallizer split dies which are transversely and sequentially connected, wherein cavity split pieces are arranged on the crystallizer split dies, and the cavity split pieces on the same layer of the crystallizer split dies jointly form a cavity wall of a crystallizer layer cavity; the split crystallizer with layered structure is used to reduce the variation of curved surface during partial casting of single-layer blade.
2. The electroslag casting blade follow-up, segmented progressive forming device as claimed in claim 1, wherein: the crystallizer follow-up device comprises a crystallizer transverse adjusting device, a crystallizer dip angle adjusting device and a crystallizer corner adjusting device.
3. The electroslag casting blade follow-up, segmented progressive forming device as claimed in claim 2, wherein: the crystallizer transverse adjusting device comprises a first crystallizer transverse adjusting seat which is transversely and slidably arranged on the base, a first crystallizer transverse adjusting driver is connected between the first crystallizer transverse adjusting seat and the base, a second crystallizer transverse adjusting seat is transversely and slidably arranged on the first crystallizer transverse adjusting seat, sliding directions of the second crystallizer transverse adjusting seat and the first crystallizer transverse adjusting seat are crosswise set, and a second crystallizer transverse adjusting driver is connected between the second crystallizer transverse adjusting seat and the first crystallizer transverse adjusting seat.
4. The electroslag casting blade follow-up, segmented progressive forming device as claimed in claim 3, wherein: the crystallizer inclination angle adjusting device comprises a crystallizer swinging seat which is hinged on the second transverse adjusting seat of the crystallizer, and a crystallizer swinging driver is connected between the crystallizer swinging seat and the second transverse adjusting seat of the crystallizer.
5. The electroslag casting blade follow-up, segmented progressive forming device as claimed in claim 4, wherein: the crystallizer corner adjusting device comprises a crystallizer rotating seat which is installed on the crystallizer swinging seat in a circumferential rotating manner, and a circumferential rotating connecting device and a crystallizer rotating driver are arranged between the crystallizer rotating seat and the crystallizer swinging seat.
6. The electroslag casting blade follow-up, segmented progressive forming device as claimed in claim 1, wherein: the electrode follow-up device comprises an electrode transverse adjusting device, an electrode inclination angle adjusting device and an electrode rotation angle adjusting device.
7. The electroslag casting blade follow-up, segmented progressive forming device as claimed in claim 1, wherein: and each mold is connected with a mold cooling device.
8. A molding method of the electroslag casting blade follow-up, sectional progressive molding device as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:
step one: placing the bottom-most layer mold on the bottom water tank;
step two: driving the electrode supporting seat to descend, and simultaneously driving the crystallizer follow-up device and the electrode follow-up device to enable the lower end of the consumable electrode to extend into the crystallizer layer cavity to start electroslag casting;
step three: after the electroslag casting in the crystallizer layer mould at the bottommost layer is finished, driving the electrode supporting seat to rise, enabling the consumable electrode to withdraw from the crystallizer layer cavity, fixedly connecting an adjacent crystallizer layer mould on the crystallizer layer mould at the bottommost layer, repeating the second step, and sequentially and electrically slag casting from the lower layer to the upper layer, wherein the position state of the consumable electrode is always consistent with the crystallizer layer cavity through the crystallizer follow-up device and the electrode follow-up device in the electroslag casting process, and the consumable electrode is prevented from contacting with the cavity wall of the crystallizer layer cavity until the split crystallizer is completely electroslag cast;
step four: and removing the split crystallizer after the casting is cooled, and completing electroslag casting of the blade.
9. The molding method of the electroslag casting blade follow-up and sectional progressive molding device as claimed in claim 8, wherein: and firstly, fixedly arranging a plurality of layers of crystallizer layer molds at the bottom on the bottom water tank from bottom to top in sequence.
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| CN201910046866.9A CN109604568B (en) | 2019-01-18 | 2019-01-18 | Follow-up, sectional and step-by-step forming device and forming method for electroslag casting blade |
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| CN201910046866.9A CN109604568B (en) | 2019-01-18 | 2019-01-18 | Follow-up, sectional and step-by-step forming device and forming method for electroslag casting blade |
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| CN86210861U (en) * | 1986-12-27 | 1988-02-24 | 江西黎川特钢厂 | Electroslag investment casting equipment able to profile crankshaft stock at a time |
| RU2002559C1 (en) * | 1991-07-09 | 1993-11-15 | Мариупольский металлургический институт | Line of crystallizers for continuous-casting machine |
| FR2773729A1 (en) * | 1998-01-21 | 1999-07-23 | Marichal Ketin & Cie | Method for the fabrication of a metal envelope on a shaft |
| CN2710798Y (en) * | 2004-07-28 | 2005-07-20 | 沈阳铸造研究所 | Combination type crystallizer used for electroslag smelting casting guide blade |
| CN201442974U (en) * | 2009-05-26 | 2010-04-28 | 潍坊亚东冶金设备有限公司 | Electroslag furnace crystallizer used for smelting rollers |
| CN201459213U (en) * | 2009-09-03 | 2010-05-12 | 重庆文理学院 | Electroslag remelting bottom water tank device capable of adjusting displacement automatically |
| RU2440214C1 (en) * | 2011-01-11 | 2012-01-20 | Открытое акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" (ОАО НПО "ЦНИИТМАШ") | Method of producing thick-wall castings from cast iron with spherical graphite |
| CN202671630U (en) * | 2012-03-08 | 2013-01-16 | 上海汉惠信息科技有限公司 | Novel large multifunctional digital type electroslag furnace |
| CN107790685A (en) * | 2016-08-31 | 2018-03-13 | 沈阳铸造研究所 | Electroslag smelting casting method without public die cavity casting is prepared using the molten group equipment of intelligence |
| CN107309406A (en) * | 2017-07-01 | 2017-11-03 | 连云港源钰金属制品有限公司 | Using the combined type shell mould used in the casting method and this method of combined type 3D printing shell mould |
| CN107876739A (en) * | 2017-12-13 | 2018-04-06 | 沈阳市盛华特种铸造有限公司 | A kind of method of rotary wheel of water turbine three-dimension curved surface blade electroslag smelting casting straight forming |
| CN108660321A (en) * | 2018-08-03 | 2018-10-16 | 苏州振湖电炉有限公司 | A kind of dip angle adjusting mechanism of electrode in electroslag furnace clamper |
| CN209614207U (en) * | 2019-01-18 | 2019-11-12 | 潍坊亚东冶金设备有限公司 | Electroslag smelting casting blade is servo-actuated with type, is segmented molding machine step by step |
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| CN109604568A (en) | 2019-04-12 |
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