US3799523A - Molten metal stirring device with clamping means - Google Patents

Molten metal stirring device with clamping means Download PDF

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Publication number
US3799523A
US3799523A US00316018A US31601872A US3799523A US 3799523 A US3799523 A US 3799523A US 00316018 A US00316018 A US 00316018A US 31601872 A US31601872 A US 31601872A US 3799523 A US3799523 A US 3799523A
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United States
Prior art keywords
frame
molten metal
clamping means
stirring device
attached
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Expired - Lifetime
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US00316018A
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M Seki
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Nippon Steel Corp
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Nippon Steel Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D27/00—Stirring devices for molten material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
    • B01F27/231—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with a variable orientation during mixing operation, e.g. with tiltable rotor axis
    • B01F27/2312—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with a variable orientation during mixing operation, e.g. with tiltable rotor axis the position of the rotating shaft being adjustable in the interior of the receptacle, e.g. to locate the stirrer in different locations during the mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/413—Mounting or supporting stirrer shafts or stirrer units on receptacles by means of clamps or clamping arrangements for fixing attached stirrers or independent stirrer units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35—Use of other general mechanical engineering elements in mixing devices
    • B01F2035/352—Bearings

Definitions

  • PATENTED MAR 26 I974 SHEET 2 OF 2 MOLTEN METAL STIRRING DEVICE WITH CLAMPING MEANS
  • the present invention relates to a molten metal stirring device with clamping means, and particularly relates to improvements of the clamping means.
  • the clamping is effected by an outside fixed portion so that when the heightof the stirring device is changed the number of grooves for clamping must be increased in correspondence to the height change and it is impossible to adjust the height of the stirring device irrespective of the allowable number of the grooves.
  • the present invention provides an improved device free from the above defects and give satisfactory stirring function.
  • a clamping device is a molten metal stirring device comprising a molten metal receptacle positioned at a predetermined position. an impeller supported through a rotation shaft by a frame movable along a frame guide which introduces the impeller into the receptacle, and a clamp provided on the side of the frame, said clamp having a movable portion adjacent to the frame guide.
  • the movable portions for clamping which are made to contact the inside surface of the lifting guide 7 by means of a cylinder, a screw, a gear or a link mechanism.
  • a pair of clamping devices are attached horizontally to both the upper side and the lower side of the lifting frame 7, while in the embodiment shown in FIGS. 4 and 5, the clamping device is attached in a slanted manner to the upper side and lower side of the frame 8.
  • the gap between the movable portion 6 and the guide metal 9 is completely and automatically absorbed in the clamping state because the portion 6 shifts to the position 6 and the surface 6a of the portion 6 contacts the inside surface 9a of the guide metal 9. Also particularly in the device shown in FIGS.
  • the load A due to the vibration of the shaft rotation is imposed on the surface 7a of the lifting guide 7 and is devided into the component of force B perpendicular to the surface 7a and the component of force C parallel to the surface 7a so that only the component of force C is transferred to the driving member such as a cylinder 11 for the movable portion and thus the load on the driving member is reduced.
  • the driving member is a hydraulic or air cylinder
  • the fluid pressure is prevented from increasing extraordinarily so that the possibility of clamp loosening is reduced.
  • a molten metal stirring device comprising molten metal receptacle and an impeller supported on a frame moving up and down along a lifting guide by means of a rotating shaft, improvements that a clamping means having a movable portion contractable to the frame guide is attached to the frame.
  • a device in which the clamping means is attached slantedly to the frame.

Abstract

In a molten metal stirring device comprising molten metal receptacle and an impeller supported on a frame moving up and down along a lifting guide by means of a rotating shaft, improvements that a clamping means having a movable portion contactable to the frame guide is attached to the frame.

Description

United States Patent 1191 Seki MOLTEN METAL STIRRING DEVICE WITH CLAMPING MEANS [75] Inventor: Masahiko Seki, Kitakyushu, Japan [73] Assignee: Nippon Steel Corporation, Tokyo,
Japan 221 Filed: Dec. 18, 1972 211 App]. No.: 316,018
[30] Foreign Application Priority Data Dec. 21. 1971 Japan 46-120948 [52] US. Cl .L 266/34 A [51] Int. Cl. C210 7/00 [58] Field of Search 266/34 R, 34 A, 34 T Mar. 26, 1974 [56] References Cited UNITED STATES PATENTS 3,664,826 5/1972 Kraemer et al. 266/34 A Primary Examiner-Gerald A. Dost Attorney, Agent, or Firm-Totem, McGeady and Stanger [5 7] ABSTRACT 3.Claims, 5 Drawing Figures yw z1 7 I I 4 E W 7 (1TH: im: g A? QM 6 PATENTEDHARZB m4 37991-323 SHEET 1 [1F 2 (PRmR Am) F I G. I
(Pmak Am) F! G. 2
PATENTED MAR 26 I974 SHEET 2 OF 2 MOLTEN METAL STIRRING DEVICE WITH CLAMPING MEANS The present invention relates to a molten metal stirring device with clamping means, and particularly relates to improvements of the clamping means.
Conventionally those as shown in FIGS. 1 and 2 have hitherto been used. According to the one shown in FIG. 1, the clamping is effected by an outside fixed portion so that when the heightof the stirring device is changed the number of grooves for clamping must be increased in correspondence to the height change and it is impossible to adjust the height of the stirring device irrespective of the allowable number of the grooves.
Also according to the one shown in FIG. 2, it is possible to adjust the height of the non-stepwisely by sliding a central shaft 2 and a cone metal 3, which is clamped by a cylinder 4. This device, however, has a defect that the shaft 2 vibrates when it rotates due to the gap between the outer surface 2a and the inside wall surface 3a the opening of the cone metal so that the surfaces 2a and 3a are several worn. The gap can not be completely eliminated so far as the shaft 2 slides up and down through the cone metal.
The present invention provides an improved device free from the above defects and give satisfactory stirring function.
More particularly, the present invention provides a clamping device is a molten metal stirring device comprising a molten metal receptacle positioned at a predetermined position. an impeller supported through a rotation shaft by a frame movable along a frame guide which introduces the impeller into the receptacle, and a clamp provided on the side of the frame, said clamp having a movable portion adjacent to the frame guide.
the movable portions for clamping which are made to contact the inside surface of the lifting guide 7 by means of a cylinder, a screw, a gear or a link mechanism.
In the embodiment shown in FIG. 3, a pair of clamping devices are attached horizontally to both the upper side and the lower side of the lifting frame 7, while in the embodiment shown in FIGS. 4 and 5, the clamping device is attached in a slanted manner to the upper side and lower side of the frame 8. The gap between the movable portion 6 and the guide metal 9 is completely and automatically absorbed in the clamping state because the portion 6 shifts to the position 6 and the surface 6a of the portion 6 contacts the inside surface 9a of the guide metal 9. Also particularly in the device shown in FIGS. 4 and 5 in which the device is attached in a slanted manner, the load A due to the vibration of the shaft rotation is imposed on the surface 7a of the lifting guide 7 and is devided into the component of force B perpendicular to the surface 7a and the component of force C parallel to the surface 7a so that only the component of force C is transferred to the driving member such as a cylinder 11 for the movable portion and thus the load on the driving member is reduced. In case when the driving member is a hydraulic or air cylinder, the fluid pressure is prevented from increasing extraordinarily so that the possibility of clamp loosening is reduced.
In a stirring device for molten metal, for example, as the rotation rate of the rotary shaft increases the vibration of the rotary shaft becomes large extraordinarily. According to the present device, such extraordinary large vibration is effectively prevented and a safe operation is attained as well as remarkable economical advantage due to reduced component members is achieved.
What is claimed is:
11. In a molten metal stirring device comprising molten metal receptacle and an impeller supported on a frame moving up and down along a lifting guide by means of a rotating shaft, improvements that a clamping means having a movable portion contractable to the frame guide is attached to the frame.
2. A device according to claim 1 in which the clamping means is attached horizontally to the frame.
3. A device according to claim 1 in which the clamping means is attached slantedly to the frame.

Claims (3)

1. In a molten metal stirring device comprising molten metal receptacle and an impeller supported on a frame moving up and down along a lifting guide by means of a rotating shaft, improvements that a clamping means having a movable portion contractable to the frame guide is attached to the frame.
2. A device according to claim 1 in which the clamping means is attached horizontally to the frame.
3. A device according to claim 1 in which the clamping means is attached slantedly to the frame.
US00316018A 1971-12-21 1972-12-18 Molten metal stirring device with clamping means Expired - Lifetime US3799523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971120948U JPS5153203Y2 (en) 1971-12-21 1971-12-21

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US3799523A true US3799523A (en) 1974-03-26

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JP (1) JPS5153203Y2 (en)
FR (1) FR2164759B1 (en)

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524571A (en) * 1984-12-28 1996-06-11 Sumitomo Electric Industries, Ltd. Method for synthesizing compound semiconductor polycrystals and apparatus therefor
US20050053499A1 (en) * 2003-07-14 2005-03-10 Cooper Paul V. Support post system for molten metal pump
US20080213111A1 (en) * 2002-07-12 2008-09-04 Cooper Paul V System for releasing gas into molten metal
US20080279704A1 (en) * 2002-07-12 2008-11-13 Cooper Paul V Pump with rotating inlet
US20080314548A1 (en) * 2007-06-21 2008-12-25 Cooper Paul V Transferring molten metal from one structure to another
US20090054167A1 (en) * 2002-07-12 2009-02-26 Cooper Paul V Molten metal pump components
US20090269191A1 (en) * 2002-07-12 2009-10-29 Cooper Paul V Gas transfer foot
US20110133374A1 (en) * 2009-08-07 2011-06-09 Cooper Paul V Systems and methods for melting scrap metal
US20110133051A1 (en) * 2009-08-07 2011-06-09 Cooper Paul V Shaft and post tensioning device
US20110140319A1 (en) * 2007-06-21 2011-06-16 Cooper Paul V System and method for degassing molten metal
US20110142606A1 (en) * 2009-08-07 2011-06-16 Cooper Paul V Quick submergence molten metal pump
US20110148012A1 (en) * 2009-09-09 2011-06-23 Cooper Paul V Immersion heater for molten metal
US20110163486A1 (en) * 2009-08-07 2011-07-07 Cooper Paul V Rotary degassers and components therefor
US8535603B2 (en) 2009-08-07 2013-09-17 Paul V. Cooper Rotary degasser and rotor therefor
US8613884B2 (en) 2007-06-21 2013-12-24 Paul V. Cooper Launder transfer insert and system
US8714914B2 (en) 2009-09-08 2014-05-06 Paul V. Cooper Molten metal pump filter
US9011761B2 (en) 2013-03-14 2015-04-21 Paul V. Cooper Ladle with transfer conduit
US9156087B2 (en) 2007-06-21 2015-10-13 Molten Metal Equipment Innovations, Llc Molten metal transfer system and rotor
US9205490B2 (en) 2007-06-21 2015-12-08 Molten Metal Equipment Innovations, Llc Transfer well system and method for making same
US9410744B2 (en) 2010-05-12 2016-08-09 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
US9409232B2 (en) 2007-06-21 2016-08-09 Molten Metal Equipment Innovations, Llc Molten metal transfer vessel and method of construction
US9643247B2 (en) 2007-06-21 2017-05-09 Molten Metal Equipment Innovations, Llc Molten metal transfer and degassing system
US9903383B2 (en) 2013-03-13 2018-02-27 Molten Metal Equipment Innovations, Llc Molten metal rotor with hardened top
US10052688B2 (en) 2013-03-15 2018-08-21 Molten Metal Equipment Innovations, Llc Transfer pump launder system
US10138892B2 (en) 2014-07-02 2018-11-27 Molten Metal Equipment Innovations, Llc Rotor and rotor shaft for molten metal
US10267314B2 (en) 2016-01-13 2019-04-23 Molten Metal Equipment Innovations, Llc Tensioned support shaft and other molten metal devices
CN111672386A (en) * 2020-07-01 2020-09-18 杨桐 A agitating unit for preparing graphite alkene thick liquids
US10947980B2 (en) 2015-02-02 2021-03-16 Molten Metal Equipment Innovations, Llc Molten metal rotor with hardened blade tips
US11149747B2 (en) 2017-11-17 2021-10-19 Molten Metal Equipment Innovations, Llc Tensioned support post and other molten metal devices
US11358216B2 (en) 2019-05-17 2022-06-14 Molten Metal Equipment Innovations, Llc System for melting solid metal
US11873845B2 (en) 2021-05-28 2024-01-16 Molten Metal Equipment Innovations, Llc Molten metal transfer device

Citations (1)

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US3664826A (en) * 1968-03-23 1972-05-23 Rheinstahl Huettenwerke Ag Process for accelerating metallurgical reactions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664826A (en) * 1968-03-23 1972-05-23 Rheinstahl Huettenwerke Ag Process for accelerating metallurgical reactions

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US5524571A (en) * 1984-12-28 1996-06-11 Sumitomo Electric Industries, Ltd. Method for synthesizing compound semiconductor polycrystals and apparatus therefor
US9034244B2 (en) 2002-07-12 2015-05-19 Paul V. Cooper Gas-transfer foot
US8409495B2 (en) 2002-07-12 2013-04-02 Paul V. Cooper Rotor with inlet perimeters
US9435343B2 (en) 2002-07-12 2016-09-06 Molten Meal Equipment Innovations, LLC Gas-transfer foot
US8361379B2 (en) 2002-07-12 2013-01-29 Cooper Paul V Gas transfer foot
US8178037B2 (en) 2002-07-12 2012-05-15 Cooper Paul V System for releasing gas into molten metal
US20090054167A1 (en) * 2002-07-12 2009-02-26 Cooper Paul V Molten metal pump components
US20090269191A1 (en) * 2002-07-12 2009-10-29 Cooper Paul V Gas transfer foot
US8110141B2 (en) 2002-07-12 2012-02-07 Cooper Paul V Pump with rotating inlet
US20080279704A1 (en) * 2002-07-12 2008-11-13 Cooper Paul V Pump with rotating inlet
US20080213111A1 (en) * 2002-07-12 2008-09-04 Cooper Paul V System for releasing gas into molten metal
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US10641270B2 (en) 2016-01-13 2020-05-05 Molten Metal Equipment Innovations, Llc Tensioned support shaft and other molten metal devices
US11098720B2 (en) 2016-01-13 2021-08-24 Molten Metal Equipment Innovations, Llc Tensioned rotor shaft for molten metal
US11149747B2 (en) 2017-11-17 2021-10-19 Molten Metal Equipment Innovations, Llc Tensioned support post and other molten metal devices
US11471938B2 (en) 2019-05-17 2022-10-18 Molten Metal Equipment Innovations, Llc Smart molten metal pump
US11759853B2 (en) 2019-05-17 2023-09-19 Molten Metal Equipment Innovations, Llc Melting metal on a raised surface
US11850657B2 (en) 2019-05-17 2023-12-26 Molten Metal Equipment Innovations, Llc System for melting solid metal
US11858036B2 (en) 2019-05-17 2024-01-02 Molten Metal Equipment Innovations, Llc System and method to feed mold with molten metal
US11858037B2 (en) 2019-05-17 2024-01-02 Molten Metal Equipment Innovations, Llc Smart molten metal pump
US11931802B2 (en) 2019-05-17 2024-03-19 Molten Metal Equipment Innovations, Llc Molten metal controlled flow launder
US11358217B2 (en) 2019-05-17 2022-06-14 Molten Metal Equipment Innovations, Llc Method for melting solid metal
US11931803B2 (en) 2019-05-17 2024-03-19 Molten Metal Equipment Innovations, Llc Molten metal transfer system and method
US11358216B2 (en) 2019-05-17 2022-06-14 Molten Metal Equipment Innovations, Llc System for melting solid metal
CN111672386A (en) * 2020-07-01 2020-09-18 杨桐 A agitating unit for preparing graphite alkene thick liquids
US11873845B2 (en) 2021-05-28 2024-01-16 Molten Metal Equipment Innovations, Llc Molten metal transfer device

Also Published As

Publication number Publication date
JPS5153203Y2 (en) 1976-12-20
FR2164759B1 (en) 1978-05-12
FR2164759A1 (en) 1973-08-03
JPS4872303U (en) 1973-09-10

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