CN110732650A - centrifugal casting tool and titanium alloy centrifugal casting process for vacuum skull furnace - Google Patents

centrifugal casting tool and titanium alloy centrifugal casting process for vacuum skull furnace Download PDF

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Publication number
CN110732650A
CN110732650A CN201910994147.XA CN201910994147A CN110732650A CN 110732650 A CN110732650 A CN 110732650A CN 201910994147 A CN201910994147 A CN 201910994147A CN 110732650 A CN110732650 A CN 110732650A
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CN
China
Prior art keywords
centrifugal casting
upper die
lower die
die
vacuum skull
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Pending
Application number
CN201910994147.XA
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Chinese (zh)
Inventor
杨黄政
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Guizhou Anji Aviation Precision Casting Co Ltd
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Guizhou Anji Aviation Precision Casting Co Ltd
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Application filed by Guizhou Anji Aviation Precision Casting Co Ltd filed Critical Guizhou Anji Aviation Precision Casting Co Ltd
Priority to CN201910994147.XA priority Critical patent/CN110732650A/en
Publication of CN110732650A publication Critical patent/CN110732650A/en
Pending legal-status Critical Current

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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
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
    • B22D13/101—Moulds

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention provides centrifugal casting tools of a vacuum skull furnace and a titanium alloy centrifugal casting process, wherein the centrifugal casting tools of the vacuum skull furnace comprise an upper die, a lower die, a main casting pipe and three casting cups, the upper die and the lower die are both hollow at the upper end and the lower end, the peripheral sides of the upper die and the lower die are respectively provided with an installation groove A and an installation groove B, the main casting pipe is fixedly connected with the upper die, the upper die and the lower die are mutually overlapped at and the installation groove A and the installation groove B are butted to form an installation hole, and the casting cups are fixedly welded in the installation hole.

Description

centrifugal casting tool and titanium alloy centrifugal casting process for vacuum skull furnace
Technical Field
The invention relates to the technical field of casting processes, in particular to a centrifugal casting tool and a centrifugal casting process for titanium alloy of vacuum skull furnaces.
Background
In the process of a titanium alloy investment casting process, a vacuum skull furnace is adopted for centrifugal casting production in , molten metal can stably enter a mould shell cavity when a crucible is turned over, and a qualified casting can be cast.
Disclosure of Invention
In order to solve the technical problems, the invention provides centrifugal casting tools of a vacuum skull furnace and a titanium alloy centrifugal casting process.
The invention is realized by the following technical scheme.
The invention provides a vacuum skull furnace centrifugal casting tool which comprises an upper die, a lower die, a main pouring pipe and three pouring cups, wherein the upper die and the lower die are both hollow, the upper end and the lower end of each of the upper die and the lower die are hollow, a mounting groove A is formed in the peripheral side surface of the upper die, a mounting groove B is formed in the peripheral side surface of the lower die, the end of the main pouring pipe is fixedly connected with the upper die, the other end of the main pouring pipe extends upwards along the vertical direction, the upper die and the lower die are mutually overlapped at , the mounting groove A is in butt joint with the mounting groove B to form a mounting hole, the end of each pouring cup is welded and fixed in the mounting hole, and the other end.
The outline of the overlooking projection of the upper die or the lower die is a regular hexagon.
The mounting grooves A are uniformly distributed on the peripheral side surfaces of the upper die according to a circumferential array by taking the central axis of the upper die in the vertical direction as a rotation center.
The mounting grooves B are uniformly arranged on the peripheral side surfaces of the lower die according to a circumferential array by taking the central axis of the lower die in the vertical direction as a rotation center.
The outline of the mounting hole is round.
Still fixedly connected with tray on the lower mould, the tray border is provided with the fixed orifices.
The main casting pipe is in a cone frustum shape.
The upper die or the lower die is made of alloy structural steel.
In addition, the invention also provides an titanium alloy centrifugal casting process, which comprises the following steps:
in the process of the titanium alloy centrifugal casting process, the vacuum skull furnace centrifugal casting tool is used, so that molten titanium alloy metal liquid which is smelted into liquid state is fed from the main pouring pipe when the crucible is turned over, and then is respectively fed into a mould shell cavity from the three pouring cups.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, 3 pouring cups are arranged on the centrifugal pouring tool of the vacuum skull melting furnace, in the process of the titanium alloy centrifugal pouring process, when the crucible is turned over, molten titanium alloy metal liquid which is melted into liquid state is fed by the main pouring pipe and then is respectively fed into the die cavity of the die shell by the three pouring cups, when the appearance specification of the vacuum skull melting furnace is kept constant, the corresponding tool does not need to be manufactured again, the flow of the molten metal which is distributed and melted by the 3 pouring cups is moderate, the requirement of the pouring process is hidden, and the foundation is laid for improving the casting quality.
Drawings
FIG. 1 is a front view of a centrifugal casting tool of a vacuum skull furnace of the invention;
FIG. 2 is a top view of the centrifugal casting tool of the vacuum skull furnace of the invention.
In the figure: 1-upper die, 2-lower die, 3-main pouring pipe, 4-pouring cup, 5-tray and 51-fixing hole.
Detailed Description
The following illustrates the present invention, but the scope of the claims is not limited thereto.
As shown in fig. 1 and 2, the invention provides centrifugal casting tools for vacuum skull furnaces, which comprise an upper die 1, a lower die 2, a main pouring pipe 3 and three pouring cups 4, wherein the upper and lower ends of the upper die 1 and the lower die 2 are both hollow, an installation groove a is arranged on the peripheral side surface of the upper die 1, an installation groove B is arranged on the peripheral side surface of the lower die 2, the end of the main pouring pipe 3 is fixedly connected with the upper die 1, the other end of the main pouring pipe 3 extends upwards along the vertical direction, the upper die 1 and the lower die 2 are mutually overlapped at , the installation groove a is in butt joint with the installation groove B to form an installation hole, the end of the pouring cup 4 is welded and fixed in the installation hole, and the other end of the pouring.
, preferably, the outline of the top projection of the upper die 1 or the lower die 2 is regular hexagon, the mounting grooves A are uniformly arranged on the peripheral side surface of the upper die 1 according to a circumferential array by taking the central axis of the upper die 1 in the vertical direction as the rotation center, the mounting grooves B are uniformly arranged on the peripheral side surface of the lower die 2 according to a circumferential array by taking the central axis of the lower die 2 in the vertical direction as the rotation center, and the outline of the mounting holes is circular.
In addition, a tray 5 is fixedly connected to the lower die 2, and a fixing hole 51 is formed in the edge of the tray 5. The main casting pipe 3 is in a truncated cone shape. The upper die 1 or the lower die 2 is made of alloy structural steel.
In addition, the invention also provides an titanium alloy centrifugal casting process, which comprises the following steps:
in the process of titanium alloy centrifugal casting technology, a vacuum skull furnace centrifugal casting tool according to any of claims 1-8 is used, so that molten titanium alloy metal liquid which is melted into liquid state is fed in from a main pouring pipe 3 when a crucible is turned over, and then is respectively fed into a mould shell cavity from three pouring cups 4.
By adopting the technical scheme of the invention, 3 pouring cups are arranged on the centrifugal pouring tool of the vacuum skull melting furnace, in the process of the titanium alloy centrifugal pouring process, when the crucible is turned over, molten titanium alloy metal liquid which is melted into liquid state is fed through the main pouring pipe and then is respectively fed into the die cavity of the die shell through the three pouring cups, when the appearance specification of the vacuum skull melting furnace is kept constant, the corresponding tool does not need to be manufactured again, the molten metal flow distributed by the 3 pouring cups is moderate, the pouring process requirement is hidden, and the foundation is laid for improving the casting quality.

Claims (9)

  1. The centrifugal pouring tool for the vacuum skull furnace is characterized by comprising an upper die (1), a lower die (2), a main pouring pipe (3) and three pouring cups (4), wherein the upper end and the lower end of each of the upper die (1) and the lower die (2) are hollow, a mounting groove A is formed in the peripheral side face of the upper die (1), a mounting groove B is formed in the peripheral side face of the lower die (2), the end of the main pouring pipe (3) is fixedly connected with the upper die (1), the other end of the main pouring pipe (3) extends upwards along the vertical direction, the upper die (1) and the lower die (2) are mutually overlapped at , the mounting groove A is butted with the mounting groove B to form a mounting hole, the end of each pouring cup (4) is welded and fixed in the mounting hole, and the other end of each pouring cup (4) extends outwards.
  2. 2. The vacuum skull furnace centrifugal casting tool of claim 1, characterized in that: the outline of the overlooking projection of the upper die (1) or the lower die (2) is regular hexagon.
  3. 3. The vacuum skull furnace centrifugal casting tool of claim 1, characterized in that: the mounting grooves A are uniformly distributed on the peripheral side surfaces of the upper die (1) according to a circumferential array by taking the central axis of the upper die (1) in the vertical direction as a rotation center.
  4. 4. The vacuum skull furnace centrifugal casting tool of claim 1, characterized in that: the mounting grooves B are uniformly distributed on the peripheral side face of the lower die (2) according to a circumferential array by taking the central axis of the lower die (2) in the vertical direction as a rotation center.
  5. 5. The vacuum skull furnace centrifugal casting tool of claim 1, characterized in that: the outline of the mounting hole is round.
  6. 6. The vacuum skull furnace centrifugal casting tool of claim 1, characterized in that: still fixedly connected with tray (5) on lower mould (2), tray (5) border is provided with fixed orifices (51).
  7. 7. The vacuum skull furnace centrifugal casting tool of claim 1, characterized in that: the main pouring pipe (3) is in a shape of a truncated cone.
  8. 8. The vacuum skull furnace centrifugal casting tool of claim 1, characterized in that: the upper die (1) or the lower die (2) is made of alloy structural steel.
  9. 9, titanium alloy centrifugal casting process, which is characterized by comprising the following steps:
    in the process of titanium alloy centrifugal casting, the vacuum skull furnace centrifugal casting tool as claimed in any of claims 1-8 is used, so that molten titanium alloy metal which is melted into liquid state is fed into a mould shell cavity from the main pouring pipe (3) when a crucible is turned over, and then is respectively fed into the mould shell cavity from three pouring cups (4).
CN201910994147.XA 2019-10-18 2019-10-18 centrifugal casting tool and titanium alloy centrifugal casting process for vacuum skull furnace Pending CN110732650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910994147.XA CN110732650A (en) 2019-10-18 2019-10-18 centrifugal casting tool and titanium alloy centrifugal casting process for vacuum skull furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910994147.XA CN110732650A (en) 2019-10-18 2019-10-18 centrifugal casting tool and titanium alloy centrifugal casting process for vacuum skull furnace

Publications (1)

Publication Number Publication Date
CN110732650A true CN110732650A (en) 2020-01-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114603099A (en) * 2022-03-15 2022-06-10 航发优材(镇江)钛合金精密成型有限公司 Centrifugal casting matched tool and casting process for titanium and titanium alloy

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE69194C1 (en) *
CN101758178A (en) * 2010-01-26 2010-06-30 沈阳铸造研究所 Centrifugal casting method for titanium alloy frame casting
CN104209487A (en) * 2014-09-04 2014-12-17 张勇弢 Integral casting method for centrifugal casting of titanium and titanium alloys
CN204308155U (en) * 2014-11-15 2015-05-06 北京星航机电装备有限公司 A kind of hinge type composite construction Ti alloy casting cast frock
CN107824758A (en) * 2017-12-18 2018-03-23 贵州安吉航空精密铸造有限责任公司 A kind of drainage system being used in centrifugal casting technique and its manufacture method
CN207386513U (en) * 2017-11-09 2018-05-22 河南工业大学 A kind of aero-engine casing casting process physical analogy model

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE69194C1 (en) *
CN101758178A (en) * 2010-01-26 2010-06-30 沈阳铸造研究所 Centrifugal casting method for titanium alloy frame casting
CN104209487A (en) * 2014-09-04 2014-12-17 张勇弢 Integral casting method for centrifugal casting of titanium and titanium alloys
CN204308155U (en) * 2014-11-15 2015-05-06 北京星航机电装备有限公司 A kind of hinge type composite construction Ti alloy casting cast frock
CN207386513U (en) * 2017-11-09 2018-05-22 河南工业大学 A kind of aero-engine casing casting process physical analogy model
CN107824758A (en) * 2017-12-18 2018-03-23 贵州安吉航空精密铸造有限责任公司 A kind of drainage system being used in centrifugal casting technique and its manufacture method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114603099A (en) * 2022-03-15 2022-06-10 航发优材(镇江)钛合金精密成型有限公司 Centrifugal casting matched tool and casting process for titanium and titanium alloy

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Application publication date: 20200131