EP1594642B1 - Systeme automatise de debourrage et dispositif de debourrage - Google Patents

Systeme automatise de debourrage et dispositif de debourrage Download PDF

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Publication number
EP1594642B1
EP1594642B1 EP04704633A EP04704633A EP1594642B1 EP 1594642 B1 EP1594642 B1 EP 1594642B1 EP 04704633 A EP04704633 A EP 04704633A EP 04704633 A EP04704633 A EP 04704633A EP 1594642 B1 EP1594642 B1 EP 1594642B1
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EP
European Patent Office
Prior art keywords
frame
decoring
decored
space
motors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04704633A
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German (de)
English (en)
French (fr)
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EP1594642A1 (fr
Inventor
Marcel Massin
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Massin Technologies
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Massin Technologies
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Publication date
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Priority to DE202004021503U priority Critical patent/DE202004021503U1/de
Publication of EP1594642A1 publication Critical patent/EP1594642A1/fr
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Publication of EP1594642B1 publication Critical patent/EP1594642B1/fr
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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
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/001—Removing cores
    • B22D29/005—Removing cores by vibrating or hammering

Definitions

  • the present invention relates to an automated system for debugging casting cores, and the stripping devices that comprise the stripping system.
  • a casting with hollow portions is generally molded around a mixture of sand and resin, said casting core, complementary shapes to those of the hollow portions.
  • the casting cores are then removed, particularly when the shape of the casting is complex, by subjecting it to a hammering to unhook the casting cores of the part, then to vibration to break up the cores and d evacuate the fragments by gravity.
  • a stripping device consisting of a frame connected to a fixed support by four vertical cylindrical joints, deformable transversely elastically, and arranged symmetrically with respect to the axis of symmetry of the frame, which corresponds to its center of gravity.
  • the frame consists of three horizontal symmetrical plates interconnected by two webs welded to the plates.
  • the chassis has two rectangular openings at each end of the chassis.
  • a pneumatic cylinder is located in each of these openings to maintain a piece between the cylinder and one side of the opening at each end of the frame. This last side of the opening is drilled to allow to pass a pneumatic hammer that hammers the room.
  • the two cylinders are mounted in opposition to each other.
  • a disadvantage of this stripping device is that it is bulky. As a result, its location on an industrial site leads to severe space constraints. Another disadvantage of this device is that it is heavy, so with large engines, which leads to a significant manufacturing cost and a significant consumption of energy. In addition, this results in an amplitude of relatively small movement, so a high nucleus disintegration time.
  • a third disadvantage of this device is that the access is made by two places located opposite one another, which is impractical for loading parts.
  • the start-up of the device can only begin once two pieces are loaded and tightened, each in one of the openings of the frame, which makes the waiting time between two cycles long enough.
  • the object of the present invention is to overcome certain disadvantages of the prior art by proposing an automated unclogging system, characterized in that it comprises a plurality of unclogging devices, each unclogging device consisting of a frame in the form of fork with two branches, the space between the two branches of the fork being intended to accommodate a workpiece, and each stripping device being enclosed in an enclosure with a single loading door of the workpiece, and in that the a plurality of stripping devices is disposed within a radius of action of a loading robot provided for loading the piece to be unpacked, by a single face of the stripping device, in the space of the stripping device provided for this purpose.
  • Another object of the invention is to provide a device for unclogging the unclogging system, characterized in that the frame is provided with a single space to accommodate a room to break, this space being located at one end of the chassis, in that the chassis is supported by four elastic suspensions of substantially vertical axis and deformable transversely, each suspension being secured to a base, in that the chassis is driven in vibration by two unbalanced motors of substantially vertical axis , each attached to one side of the frame, close to two of the elastic suspensions, and in that a clamping device of the workpiece is mounted on one of the legs of the frame, said clamping device consisting of 'a jack on which is mounted a clamping plate, to tighten the piece to break between the plate and the inner surface of the other branch, the other two suspensi are arranged in such a way that the center of gravity of the charged loading device remains between the fixing points of the four suspensions, so that they support substantially the same mass.
  • the frame is substantially horizontal, the two other elastic suspensions being disposed near the space between the two branches of the frame, and the motors rotate in the same direction, causing a rotation of the frame around the axis located at the intersection between the average plane of the motors and the plane transverse to the frame.
  • an opening is formed on the arm of the frame not carrying the jack, this opening accommodating the end of at least one pneumatic hammer, fixed on at least one integral amount of the base, which allows to hammer the piece to disrupt when the latter is tightened in the frame, so as to disintegrate the casting cores.
  • the space between the legs of the frame has a bottom provided with an opening, to facilitate both the clamping of the workpiece to be unraveled, and the evacuation of the sand out of the frame.
  • the stripping device comprises two pairs of lateral springs, of substantially horizontal axis, integral with both the frame and an amount fixed to the base, allowing the resonance of the chassis.
  • the frame consists of a body and a head, the head comprising the two branches of the frame and being secured to a rod passing through the body of the frame, and driven in rotation about the axis of the frame. chassis thanks to an engine.
  • the chassis is substantially vertical and the engines rotate in the opposite direction, causing reciprocating movement of the chassis in translation along the axis located at the intersection of the average plane of the chassis and the transverse plane to the engines passing through the center of engines.
  • the stripping device comprises at least one pair of pneumatic hammers, fixed on at least one integral amount of the base, which allows to hammer the piece to break each side of the frame when the latter is clamped in the space between the two legs of the frame, so as to disintegrate the casting cores.
  • the clamping plate is equipped with a blowing system to promote the evacuation of the sand out of the room to break.
  • the débourrage device comprises a frame (1) fork-shaped with two branches (11, 12), substantially horizontal.
  • the frame (1) is supported by four elastic suspensions (2) of substantially vertical axis, which can be deformed transversely, and distributed on a base (3) so as to support each substantially the same mass.
  • the unstacking device also comprises two unbalance motors (4) fixed to the frame, each on one side, at the rear of the fork.
  • the space (13) between the two legs (11, 12) of the frame (1) allows to accommodate the room to break.
  • the space (13) between the legs (11, 12) of the frame (1) comprises a bottom provided with an opening (135), which facilitates both the installation of the piece to break up and remove the sand from the frame (1).
  • the wall of the branch (12) not carrying the jack (5) is provided with an opening (125) through which the end of at least one substantially horizontal pneumatic hammer (7) mounted on a post ( 8) fixed on the base (3).
  • the device comprises several hammers (7), the latter are arranged one above the other, perpendicular to the average plane of the frame (1).
  • the unbalance motors (4) of the unclogging device turn in the same direction, when the device is in operation.
  • the resulting movement of the frame (1) then causes a rotation of the piece about the vertical axis (zz) located at the intersection of the plane (yz) passing through the pair of motors (4) and the vertical plane (xz) transverse to the frame (1).
  • the part is then, in turn, in contact with the hammers (7), and not in contact with the hammers, which allows hammering of the piece by the hammers (7).
  • the hammering is performed before starting the engines.
  • the embodiment of the figure 2 is the same as that of the figure 1 , in addition to four springs (9) side, substantially horizontal axis, which are fixed in pairs on each side of the frame (1), transversely thereto. One of their ends is fixed to the legs (11, 12) of the frame (1), and their other end to a post (10) fixed on the base (3).
  • Hammers (7) pneumatic hammering, and the plate (6) which arises at the end of the jack (5), although not shown on the figure 2 are part of the deburring device according to this embodiment.
  • the presence of the springs (9) modifies the resonance natural frequency of the frame (1) to bring it to the value of the vibration frequency of the motors (4).
  • the vibration frequency of the chassis is increased, for example by a factor of 10, which makes it possible, with a low excitation effort, to obtain an acceptable amplitude value for unclogging.
  • the presence of these springs (9) can significantly reduce the power, size and weight of the motors (4) imbalance. They no longer have to provide the effort required for the vibration, but only to excite the device at its resonant frequency.
  • a frequency converter is used to adjust the excitation frequency to the exact frequency of the chassis (1).
  • the frame (1) substantially fork-shaped fork is in two parts: the body (14), on the one hand, and the head (15), on the other.
  • the head (15) of the frame consisting of the two branches (11, 12) of the fork, is integral with a rod (16) passing through the body (14) of the frame (1), and parallel to the axis (xx). ) of the frame (1).
  • This rod (16) guided by a guide (17) inside the body (14) of the frame (1), can rotate around the axis (xx) of the frame (1) by means of a motor (18) to which it is connected, which is fixed on the base (3).
  • the body (14) is supported by the same four elastic suspensions (2) as in the embodiment of the figure 1 , distributed so as to support each substantially the same mass.
  • the body (14) vibrates around the vertical axis (zz) by means of two counterbalanced motors (4) rotating in the same direction, of substantially vertical axis, and fixed to the body (14) of the frame (1), each on one side of the frame (1).
  • the head (15) of the frame (1) comprises, as in the embodiment of the figure 1 , a cylinder (5), for example pneumatic, on which a plate (6) is placed to maintain the workpiece to be unraveled in the space (13) between the two branches (11, 12).
  • the stripping device also comprises at least one pneumatic hammer for hammering, not shown. In the embodiment of this device, the hammering is performed before the start of the engines. This embodiment also allows excellent emptying of the sand since the part can be rotated 360 °.
  • the frame (1) is substantially vertical. As in the embodiment of the figure 1 , he is supported by four suspensions (2) elastic, vertical axis, fixed on a base (3), these suspensions can deform elastically transversely. As in the other embodiments, they are distributed so as to support each substantially the same mass.
  • Two counter-rotating unbalance motors (4) are attached to the frame, each on one side of one of the branches (11). The part to be disrupted is to be clamped in the space (13) between the two legs (11, 12) of the frame (1), with the aid of a jack (5) for example pneumatic, on which is placed a plate (6), and which is mounted in the inner wall of one of the branches (11).
  • the resulting movement of the frame (1) then causes an alternating movement in translation of the part along the horizontal axis (xx) located at the intersection of the plane (xz) means of the frame (1) and the plane (xy) transverse to motors (4) passing through the center of the engines.
  • the stripping device comprises at least two pneumatic hammers (7) fixed in pairs on uprights fixed on the base (3).
  • the end of the hammers (7) is no longer in the frame (1), as in the embodiment of the figure 1 but on each side of the arm (12) opposite to that on which the jack (5) is mounted.
  • the hammering is performed on the parts of the workpiece that protrude from each side of the frame (1).
  • This embodiment is therefore particularly well suited to break large parts.
  • the hammering is performed before starting the engines.
  • the stripping device is enclosed in a soundproof enclosure (19) having an access (20) automatically or manually closable, for loading and clamping a workpiece in the débourrer device .
  • Loading and unloading can be done manually or using a robot (21).
  • the stripping devices are arranged either parallel to each other along a line, the access being all located on the same side of the line, or on a circular arc, the access then being all oriented towards the center of this arc of a circle.
  • the variant in an arc allows however to pass more quickly from one stripping device to another, so to increase the stripping performance.
  • Such a robotic process makes it possible to simultaneously use different stripping devices according to the embodiments of the invention.
  • figures 1 , 2 , 3 and 4 or any other type of device. If the stripping device according to the embodiment of the figure 3 is used in the context of a robotic process of this type, it is necessary that the head (15) of the frame (1) is in a horizontal position when the stripping cycle ends.
  • the unloading, loading and unclogging can be offset on said devices.
  • the frame (1) consists of two parallel plates connected by cross members.
  • the unbalanced motors (4) do not necessarily turn in phase at start-up, but phase in about half a turn.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Casting Devices For Molds (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Threshing Machine Elements (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Manipulator (AREA)
  • Warehouses Or Storage Devices (AREA)
EP04704633A 2003-01-23 2004-01-23 Systeme automatise de debourrage et dispositif de debourrage Expired - Lifetime EP1594642B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE202004021503U DE202004021503U1 (de) 2003-01-23 2004-01-23 Automatisiertes Entkernungssystem und Entkernungsvorrichtung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0300729 2003-01-23
FR0300729A FR2850305B1 (fr) 2003-01-23 2003-01-23 Systeme automatise de debourrage et dispositif de debourrage
PCT/FR2004/000149 WO2004067209A1 (fr) 2003-01-23 2004-01-23 Systeme automatise de debourrage et dispositif de debourrage

Publications (2)

Publication Number Publication Date
EP1594642A1 EP1594642A1 (fr) 2005-11-16
EP1594642B1 true EP1594642B1 (fr) 2009-03-25

Family

ID=32669166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04704633A Expired - Lifetime EP1594642B1 (fr) 2003-01-23 2004-01-23 Systeme automatise de debourrage et dispositif de debourrage

Country Status (11)

Country Link
US (1) US20060272792A1 (ja)
EP (1) EP1594642B1 (ja)
JP (1) JP2006515806A (ja)
CN (1) CN100349676C (ja)
AT (1) ATE426475T1 (ja)
BR (1) BRPI0406881A (ja)
CA (1) CA2513693C (ja)
DE (2) DE202004021503U1 (ja)
FR (1) FR2850305B1 (ja)
MX (1) MXPA05007667A (ja)
WO (1) WO2004067209A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2901162B1 (fr) * 2006-05-17 2009-07-24 Marcel Massin Procede de martelage, dispositif marteleur actionnable par un systeme vibrateur et utilisation du dispositif dans une machine de debourrage
FR2907039B1 (fr) * 2006-10-16 2008-12-26 Disa Serf Dispositif de debourrage de pieces de fonderie incluant une poutre.
FR2914572A1 (fr) * 2007-04-05 2008-10-10 Massin Technologies Soc Par Ac Dispositif de debourrage et systeme automatise de debourrage le comprenant
US8186419B2 (en) * 2008-07-08 2012-05-29 GM Global Technology Operations LLC Method and system for internal cleaning of complex castings
ITTO20090437A1 (it) * 2009-06-09 2010-12-10 Artimpianti S N C Di Genre Walter E Botta Alberto Macchina sterratrice
JP5772488B2 (ja) * 2011-10-19 2015-09-02 日産自動車株式会社 中子砂落とし方法
AT512426B1 (de) * 2012-01-17 2016-03-15 Fill Gmbh Vorrichtung zum entkernen von gusskörpern
CN104781555B (zh) * 2012-11-14 2018-01-26 皇家飞利浦有限公司 流体泵
SI24307A (sl) 2013-03-29 2014-09-30 Rc Simit D.O.O. Vrtanje peščenih jeder iz ulitkov
EP3441159B1 (en) * 2016-05-13 2023-07-12 Shiga Yamashita Co., Ltd. Vibrating sand shaking-out apparatus and automobile component
CN106001519B (zh) * 2016-07-08 2018-10-02 芜湖永达科技有限公司 一种缸体震芯机
AT520358B1 (de) * 2017-09-07 2019-10-15 Fill Gmbh Entkernmaschine zum Entkernen von Gusswerkstücken
AT520666B1 (de) 2017-11-22 2020-07-15 Fill Gmbh Entkernmaschine zum Entkernen von Gusswerkstücken sowie Verfahren zum Herstellen von Gusswerkstücken
AT524494A1 (de) * 2020-10-02 2022-06-15 Fill Gmbh Schwingvorrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2002974A (en) * 1934-11-26 1935-05-28 Charles A Bennett Fractionation device and method for employing the same
US4577671A (en) * 1982-08-09 1986-03-25 Stephan Mark C Casting decoring device
DE3239262A1 (de) * 1982-10-23 1984-04-26 Alb. Klein Gmbh & Co Kg, 5241 Niederfischbach Verfahren und vorrichtung zum entkernen von gussstuecken
CH665975A5 (de) * 1985-04-09 1988-06-30 Fischer Ag Georg Einrichtung zum entkernen von gussteilen.
JPH07112621B2 (ja) * 1990-11-07 1995-12-06 ドーラー・ジヤービス・リミテツド・パートナーシツプ 鋳造品中の砂中子を振動により崩壊、除去する装置
JP3056526B2 (ja) * 1991-02-07 2000-06-26 マサン エス・アー 鋳造品の中子落とし方法及び装置
FR2711931B1 (fr) * 1993-11-05 1996-02-09 Dimafond Dispositif perfectionné de débourrage de noyaux de coulée de pièces de fonderie.
US6644382B1 (en) * 1997-12-13 2003-11-11 Yoshitaka Aoyama Casting sand shake-out method and its apparatus
EP1040884A1 (en) * 1999-04-02 2000-10-04 Fata Aluminium Division of Fata Group S.p.A. Vibratory decoring machine
GB2357257B (en) * 1999-12-16 2002-09-04 Honda Motor Co Ltd Apparatus for producing metal formed product

Also Published As

Publication number Publication date
CA2513693A1 (fr) 2004-08-12
JP2006515806A (ja) 2006-06-08
ATE426475T1 (de) 2009-04-15
US20060272792A1 (en) 2006-12-07
FR2850305B1 (fr) 2005-03-18
FR2850305A1 (fr) 2004-07-30
CN1750897A (zh) 2006-03-22
WO2004067209A1 (fr) 2004-08-12
CN100349676C (zh) 2007-11-21
DE602004020190D1 (de) 2009-05-07
BRPI0406881A (pt) 2006-01-03
CA2513693C (fr) 2008-12-30
MXPA05007667A (es) 2006-05-25
DE202004021503U1 (de) 2008-08-07
EP1594642A1 (fr) 2005-11-16

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