CN105486084B - A kind of crucible basket set and preparation method thereof - Google Patents
A kind of crucible basket set and preparation method thereof Download PDFInfo
- Publication number
- CN105486084B CN105486084B CN201410528860.2A CN201410528860A CN105486084B CN 105486084 B CN105486084 B CN 105486084B CN 201410528860 A CN201410528860 A CN 201410528860A CN 105486084 B CN105486084 B CN 105486084B
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- crucible
- crucible basket
- basket set
- basket
- lower edge
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- 238000002360 preparation method Methods 0.000 title claims description 15
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000010425 asbestos Substances 0.000 claims abstract description 9
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000009763 wire-cut EDM Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000004080 punching Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
It is an object of the invention to provide a kind of method that integration makes crucible basket set, it is characterised in that first according to crucible and induction coil size, calculates the size that crucible basket covers material therefor；Fixation upper limb and fixed lower edge secondly by Wire-cut Electrical Discharge Machining crucible basket set, and hole is processed on crucible basket jacket wall using numerical control press；Again by the fixation upper limb that crucible basket covers to rolled over, fixed lower edge is rolled over inwards, and curling crucible basket jacket wall is into pen container shape；Finally the upper lower edge that crucible basket covers and insulation asbestos board are fixedly connected by nut, final acquisition welding is integrally formed crucible basket set.This method can not only avoid the occurrence of pad, and can significantly improve the intensity of crucible basket set, and then extend crucible basket set service life, improve production efficiency.
Description
Technical field
The present invention relates to integrated design of crucible basket set and preparation method thereof, especially provides one kind and is applied to high temperature alloy
Crucible basket set of vacuum metling and preparation method thereof.
Background technology
In high-temperature alloy vacuum smelting process, crucible is the pass for influenceing alloy molten steel degree of purity and metallurgical quality of cast
One of key factor.To improve the uniformity and degree of purity of molten steel, it is needed at the melt overheat by up to 1600 DEG C -1800 DEG C
Reason.In the presence of high temperature repeatedly, easily there is phenomena such as decortication, crackle and causes to fail in crucible.To ensure the metallurgy of casting
Quality is normal to smelt the 3-5 crucible that more renew.But tradition changes crucible flow complexity, and time-consuming, serious drop
The production efficiency that low vacuum is smelted.And crucible can quickly be changed using crucible basket technology now, it is significant to improve what is smelted
Production efficiency.
Crucible basket is mainly made up of crucible basket set 2, refractory material 3, shaping crucible 4 and insulation board 5 etc., as shown in Figure 1.
Internal layer is shaping crucible 4, and material is aluminum oxide, magnesia or calcium oxide, and intermediate layer is that refractory material, the outermost layers such as magnesia are
Crucible basket set 2, is welded by steel wire or stainless steel plate.But found in actual production process, it is this to be welded
Crucible basket be enclosed in the presence of outside Medium frequency induction electric current, easily pad or connection intersection produce induced-current,
Cause crucible basket set that fusing locally occurs and fails, have a strong impact on normal smelting production.
The content of the invention
It is an object of the invention to provide a kind of method that integration makes crucible basket set, welding can not only be avoided the occurrence of
Point, and the intensity of crucible basket set can be significantly improved, and then extend crucible basket set service life, improve production efficiency.
The present invention specifically provides a kind of preparation method of crucible basket set, it is characterised in that concretely comprises the following steps：
(1), according to crucible and induction coil size, the size that crucible basket covers material therefor is calculated；
(2) the fixation upper limb 21 and fixed lower edge 22, covered by Wire-cut Electrical Discharge Machining crucible basket；
(3) hole 23, is processed on crucible basket jacket wall using numerical control press；
(4), by the fixation upper limb 21 that crucible basket covers to rolled over, fixed lower edge 22 is rolled over inwards, and curling crucible basket jacket wall is into pen
Tubular；
(5), the upper lower edge that crucible basket covers and insulation asbestos board are fixedly connected by nut, finally obtain welding
Be integrally formed crucible basket set.
The preparation method of crucible basket set of the present invention, it is characterised in that：In step (2), above and below crucible basket jacket wall
Both ends etc. separate 2N or 2N-1 rectangle, and wherein N is natural number and 3≤N≤10, then respectively above and below crucible basket jacket wall
Both ends interval crops N or N-1 rectangle, and remaining rectangle is as fixed upper limb 21 and fixed lower edge 22.
The preparation method of crucible basket set of the present invention, it is characterised in that：In step (3), on crucible basket jacket wall along
The direction of width carries out uniform punching, it is desirable to which the diameter of hole 23 is less than the width of fixed upper limb 21, and hole 23 can be band circle
Arc it is variously-shaped.
The preparation method of crucible basket set of the present invention, it is characterised in that concretely comprise the following steps：
1., calculate the size of crucible basket set material therefor
Known following dimensional parameters：Crucible internal diameter is D0, it is highly W0；Melting induction coil internal diameter D2, height W2；Crucible
Gap with crucible basket set is a, as shown in Figure 1.Then crucible basket set internal diameter D1With height W1Following relation be present：D0+2a<D1<D2,
W0≈W1≈W2；
The then length L=π D of steel plate used in crucible basket set1, height H≤W of steel plate1+D1
2., crucible basket set upper limb and lower edge processing
2N or 2N-1 rectangle (N is natural number and 3≤N≤10) are separated in upper and lower ends of steel plate etc., after making decile
Each rectangular width is π D1/ 2N or π D1/ (2N-1), length are less than D1/2；Respectively in the sanction at the upper and lower ends interval of steel plate
N or N-1 rectangle are cut, the fixation upper limb 21 and fixed lower edge 22 that remaining rectangle covers respectively as crucible basket；Such as Fig. 2 institutes
Show, upper and lower ends of steel plate etc. separate 15 rectangles, respectively dismiss remaining 8 fixed upper limbs 21 and 8 fixations after 7 rectangles
Lower edge 22.
3., crucible basket set cinclides processing
It is π D in length1, width is on W steel plate, and uniform punching, the diameter of hole 23 are carried out along the direction of width
Less than the width of fixed upper limb 21, hole 23 is with the variously-shaped of circular arc, as shown in Figure 3；
4., crucible basket set fixation
The fixation upper limb 21 of steel plate is to rolled over, and fixed lower edge 22 is rolled over inwards, and its vertical section is zigzag.Then crimping plate
Into pen container shape.Fixed upper limb 21 and fixed lower edge 22 are fixedly connected with insulation asbestos board by nut respectively, final to obtain
Welding is integrally formed crucible basket set.
The crucible basket set prepared using the method for the invention, it is characterised in that：There is hole 23 on crucible basket jacket wall, the hole
Gap is the shape (preferably circular, oval or track type) with radian, is uniformly distributed along crucible basket set width, hole 23
Quantity determined according to aperture, hole is full of crucible basket jacket wall under conditions of intensity is not influenceed.
Crucible basket set of the present invention, it is characterised in that：The material that the crucible basket set uses is not strong not for electric conductivity
Become rusty Steel material, preferably 0Cr18Ni9Ti or 1Cr18Ni9Ti, and the internal diameter of crucible basket set is 100-400mm, is highly 200-
The length of 600mm, the fixation upper limb 21 of crucible basket set and fixed lower edge 22 is 50-200mm, suitable for 5-50Kg crucible baskets.
Brief description of the drawings
Fig. 1 crucible basket schematic diagrames, wherein 1, melting induction coil (internal diameter D2, height W2)；2nd, crucible basket set (internal diameter D1, it is high
Spend W1)；3rd, refractory material；4th, it is molded crucible (internal diameter D0, it is highly W0)；5 insulation asbestos boards.
Outer rim schematic diagram in Fig. 2 crucibles basket set.
Fig. 3 crucibles basket covers wall pore schematic diagram.
Fig. 4 25KG crucibles basket covers schematic diagram.
Embodiment
Embodiment 1
The crucible basket set preparation method of 25KG vacuum induction melting furnaces
1st, the size of crucible basket set material therefor is calculated
Known crucible internal diameter is D0=140mm, it is highly W0=260mm；Internal coil diameter D2=240mm, height W2=
300mm；The gap of crucible and crucible basket set is a=30mm；Then crucible basket set internal diameter D1=200mm, height W1=280mm.Then steel
The length L=670mm of plate, the height H=540mm of steel plate, as shown in Figure 4.
2nd, the processing of crucible basket set upper limb and lower edge
15 deciles are carried out along steel plate length direction.Then the width of the fixation upper limb 21 of crucible basket set and fixed lower edge 22 is
40mm, length 80mm.Then respectively in 7 rectangles that crop at the upper and lower ends interval of steel plate, remaining 8 fixed upper limbs
21 and 8 fixed lower edges 22, as shown in Figure 4.
3rd, the processing of crucible basket set cinclides
It is 670mm in length, width is on 400mm crucible basket jacket wall, is carried out along the direction of steel plate width uniform
Punching, the maximum gauge in hole is 30mm.Hole is alternatively with the variously-shaped of circular arc, as shown in Figure 4.
4th, the fixation of crucible basket set
The fixation upper limb 21 of crucible basket set is to rolled over, and fixed lower edge 22 is rolled over inwards, and its vertical section is zigzag.Then crimp
Crucible jacket wall is into pen container shape.Fixed upper limb 21 and fixed lower edge 22 are fixedly connected with insulation asbestos board by nut respectively,
Final acquisition welding is integrally formed crucible basket set.
Embodiment 2
10KG directional solidification furnaces (HRS or LMC) crucible basket covers preparation method
1st, the size of crucible basket set material therefor is calculated
Known crucible internal diameter is D0=100mm, it is highly W0=220mm；Internal coil diameter D2=180mm, height W2=
250mm；The gap of crucible and crucible basket set is a=25mm；
Then crucible basket set internal diameter D1=160mm, height W1=240mm；The length L=520mm of steel plate, the height H=of steel plate
400mm。
2nd, the processing of crucible basket set upper limb and lower edge
12 deciles are carried out along steel plate length direction.Then the fixation upper limb of crucible basket set and fixed lower edge width are 40mm,
Length is 75mm.Then respectively in 6 rectangles that crop at the upper and lower ends interval of steel plate, remaining 6 fixed upper limbs and 6
Fixed lower edge.
3rd, the processing of crucible basket set cinclides
It is 520mm in length, width is on 100mm crucible basket jacket wall, is carried out along the direction of steel plate width uniform
Punching, the maximum gauge of hole is 30mm.
4th, the fixation of crucible basket set
The fixation upper limb of crucible basket set is to rolled over, and fixed lower edge is rolled over inwards, and its vertical section is zigzag.Then crucible is crimped
Jacket wall is into pen container shape.Fixed upper limb and lower edge are fixedly connected with insulation asbestos board by nut respectively, finally obtain solderless
What is connect is integrally formed crucible basket set.
Embodiment 3
50KG monoblock cast fine crystal furnace crucibles basket covers preparation method
1st, the size of crucible basket set material therefor is calculated
Known crucible internal diameter is D0=240mm, it is highly W0=400mm；Internal coil diameter D2=340mm, height W2=
500mm；The gap of crucible and crucible basket set is a=40mm；
Then crucible basket set internal diameter D1=320mm, height W1=420mm；The length L=1000mm of steel plate, the height H of steel plate
=720mm.
2nd, the processing of crucible basket set upper limb and lower edge
16 deciles are carried out along steel plate length direction.Then the width of the fixation upper limb of crucible basket set and fixed lower edge is
60mm, length 150mm.Then respectively in 8 rectangles that crop at the upper and lower ends interval of steel plate, remaining 8 fixations
Edge and 8 fixed lower edges.
3rd, the processing of crucible basket set cinclides
It is 1000mm in length, width is on 420mm crucible basket jacket wall, is carried out along the direction of steel plate width uniform
Punching, the maximum gauge of hole is 40mm.
4th, the fixation of crucible basket set
The fixation upper limb of crucible basket set is to rolled over, and fixed lower edge is rolled over inwards, and its vertical section is zigzag, then crimps crucible
Jacket wall is into pen container shape.Fixed upper limb and lower edge are fixedly connected with insulation asbestos board by nut respectively, finally obtain solderless
What is connect is integrally formed crucible basket set.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (9)
1. a kind of preparation method of crucible basket set, it is characterised in that concretely comprise the following steps：
(1), according to crucible and induction coil size, the size that crucible basket covers material therefor is calculated；
(2) the fixation upper limb (21), covered by Wire-cut Electrical Discharge Machining crucible basket and fixed lower edge (22)；
(3) hole (23), is processed on crucible basket jacket wall using numerical control press；
(4), by the fixation upper limb (21) that crucible basket covers to rolled over, fixed lower edge (22) is rolled over inwards, and curling crucible basket jacket wall is into pen
Tubular；
(5), the upper lower edge that crucible basket covers and insulation asbestos board are fixedly connected by nut, it is final to obtain the one of welding
Body formed crucible basket set.
2. the preparation method covered according to crucible basket described in claim 1, it is characterised in that：In step (2), in crucible basket jacket wall
Upper and lower ends etc. separate 2N or 2N-1 rectangle, and wherein N is natural number and 3≤N≤10, then respectively in crucible basket jacket wall
Upper and lower ends interval crops N or N-1 rectangle, and remaining rectangle is as fixed upper limb (21) and fixed lower edge (22).
3. the preparation method covered according to crucible basket described in claim 1, it is characterised in that：In step (3), on crucible basket jacket wall
Uniform punching is carried out along the direction of width, it is desirable to which the diameter of hole (23) is less than the width of fixed upper limb (21), hole
(23) it is with the variously-shaped of circular arc.
4. the preparation method covered according to crucible basket described in claim 1, it is characterised in that concretely comprise the following steps：
1., calculate the size of crucible basket set material therefor
Known following dimensional parameters：Crucible internal diameter is D0, it is highly W0；Melting induction coil internal diameter D2, height W2；Crucible and crucible
The gap of basket set is a；
Then crucible basket set internal diameter D1With height W1Following relation be present：D0+2a<D1<D2, W0≈W1≈W2；Steel plate used in crucible basket set
Length L=π D1, height H≤W of steel plate1+D1；
2., crucible basket set upper limb and lower edge processing
2N or 2N-1 rectangle are separated in upper and lower ends of steel plate etc., wherein N is natural number and 3≤N≤10, is made every after decile
Individual rectangular width is π D1/ 2N or π D1/ (2N-1), length are less than D1/2；Respectively in the cutting at the upper and lower ends interval of steel plate
Fall N or N-1 rectangle, the fixation upper limb (21) and fixed lower edge (22) that remaining rectangle covers respectively as crucible basket；
3., crucible basket set cinclides processing
It is π D in length1, width is on W steel plate, carries out uniform punching along the direction of width, the diameter of hole (23) is small
In the width of fixed upper limb (21), hole (23) is with the variously-shaped of circular arc；
4., crucible basket set fixation
The fixation upper limb (21) of steel plate is to rolled over, and fixed lower edge (22) is rolled over inwards, and its vertical section is zigzag, then crimping plate
Into pen container shape；Fixed upper limb (21) and fixed lower edge (22) are fixedly connected with insulation asbestos board by nut respectively, finally
Obtain welding is integrally formed crucible basket set.
A kind of 5. crucible basket set prepared in accordance with the method for claim 1, it is characterised in that：There is hole on crucible basket jacket wall
(23), the hole (23) is the shape with radian, is uniformly distributed along crucible basket set width.
6. according to crucible basket set described in claim 5, it is characterised in that：The hole (23) is circular, ellipse or track type.
7. according to crucible basket set described in claim 5, it is characterised in that：The material that the crucible basket set uses is 0Cr18Ni9Ti
Or 1Cr18Ni9Ti.
8. according to crucible basket set described in claim 5, it is characterised in that：The internal diameter of crucible basket set is 100-400mm, is highly
The length of 200-600mm, the fixation upper limb (21) of crucible basket set and fixed lower edge (22) is 50-200mm.
9. according to crucible basket set described in claim 5, it is characterised in that：Crucible basket set is applied to 5-50Kg crucible baskets.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410528860.2A CN105486084B (en) | 2014-10-09 | 2014-10-09 | A kind of crucible basket set and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410528860.2A CN105486084B (en) | 2014-10-09 | 2014-10-09 | A kind of crucible basket set and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105486084A CN105486084A (en) | 2016-04-13 |
| CN105486084B true CN105486084B (en) | 2017-11-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112304083B (en) * | 2020-11-09 | 2022-08-16 | 辽宁红银金属有限公司 | Rapid pretreatment method of formed crucible for vacuum smelting |
| CN115406232A (en) * | 2022-08-30 | 2022-11-29 | 贵州安吉航空精密铸造有限责任公司 | Quick-change bushing structure of crucible for vacuum melting and pouring |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2123800A1 (en) * | 2008-05-21 | 2009-11-25 | Ibiden Co., Ltd. | Crucible holding member and method for producing the same |
| CN101602505A (en) * | 2009-07-16 | 2009-12-16 | 江西赛维Ldk太阳能高科技有限公司 | A kind of be used for field of polysilicon production prevent silicon liquid leakage current crucible tray |
| CN201402042Y (en) * | 2009-05-07 | 2010-02-10 | 平煤集团开封炭素有限责任公司 | Electrode baking pot |
| CN102192649A (en) * | 2010-10-15 | 2011-09-21 | 中国南方航空工业(集团)有限公司 | Crucible basket for vacuum smelting furnace and manufacturing method of crucible basket |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009203093A (en) * | 2008-02-26 | 2009-09-10 | Ibiden Co Ltd | Crucible holding member |
| JP2014528888A (en) * | 2011-08-05 | 2014-10-30 | クルーシブル インテレクチュアル プロパティ エルエルシーＣｒｕｃｉｂｌｅ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｌｌｃ | Crucible material |
-
2014
- 2014-10-09 CN CN201410528860.2A patent/CN105486084B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2123800A1 (en) * | 2008-05-21 | 2009-11-25 | Ibiden Co., Ltd. | Crucible holding member and method for producing the same |
| CN201402042Y (en) * | 2009-05-07 | 2010-02-10 | 平煤集团开封炭素有限责任公司 | Electrode baking pot |
| CN101602505A (en) * | 2009-07-16 | 2009-12-16 | 江西赛维Ldk太阳能高科技有限公司 | A kind of be used for field of polysilicon production prevent silicon liquid leakage current crucible tray |
| CN102192649A (en) * | 2010-10-15 | 2011-09-21 | 中国南方航空工业(集团)有限公司 | Crucible basket for vacuum smelting furnace and manufacturing method of crucible basket |
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