EP3713691B1 - Machine à énucléer destinée à énucléer des pièces moulées et procédé de fabrication de pièces moulées - Google Patents

Machine à énucléer destinée à énucléer des pièces moulées et procédé de fabrication de pièces moulées Download PDF

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Publication number
EP3713691B1
EP3713691B1 EP18829177.7A EP18829177A EP3713691B1 EP 3713691 B1 EP3713691 B1 EP 3713691B1 EP 18829177 A EP18829177 A EP 18829177A EP 3713691 B1 EP3713691 B1 EP 3713691B1
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EP
European Patent Office
Prior art keywords
machine
decoring
workpiece carrier
workpiece
eccentric
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.)
Active
Application number
EP18829177.7A
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German (de)
English (en)
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EP3713691A1 (fr
Inventor
Alois Boindecker
Thomas MURAUER
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Fill GmbH
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Fill GmbH
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Publication date
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Publication of EP3713691A1 publication Critical patent/EP3713691A1/fr
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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • 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
    • 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
    • B22D29/02—Vibratory apparatus specially designed for shaking out flasks

Definitions

  • the invention relates to a coring machine or vibrating machine.
  • a coring machine / vibrating machine of the type mentioned is known in principle.
  • the AT 517 133 A1 a coring machine.
  • the coring machine comprises a first machine frame, a machine table mounted movably with respect to the first machine frame for clamping a workpiece, two counter-rotating eccentric masses mounted on the machine table and at least one drive motor arranged on the first machine frame.
  • a force or torque flow from the at least one drive motor to the two eccentric masses is guided in such a way that a branching and / or merging in the force flow / torque flow or means for synchronizing the two eccentric masses are arranged on the first machine frame.
  • the power flow / torque flow between the first machine frame and the machine table is each guided via at least one belt leading to an eccentric mass.
  • the coring machine according to the invention has the advantage that the workpiece carrier can be rotated relative to the machine table by means of the rotary bearing. This means that the entire machine table does not need to be rotated to tilt the cast workpiece.
  • the particular advantage here is that the eccentric masses do not have to be rotated to stimulate the oscillating movement of the machine table, which would lead to the introduction of gyroscopic forces into the machine table.
  • the suspension comprises a leaf spring, the leaf spring being coupled to the machine frame at its two longitudinal ends by means of a swivel joint and to the machine table in the region of its longitudinal center.
  • the swivel joints on which the leaf spring is received have a rubber buffer so that a shortening of the leaf spring, which occurs due to the deflection, can be compensated for.
  • the advantage here is that such a leaf spring is well suited for absorbing the vibrations.
  • the leaf spring is installed in the coring machine in a vertical position. In this way it can be achieved that the leaf springs are mainly subjected to tension / compression or bending loads.
  • the rotary bearing is designed in the form of a turntable.
  • the advantage here is that the turntable can absorb high bending moments about the axis of rotation and can have a cost-effective structure.
  • a rotary drive is formed by means of which the workpiece carrier can be rotated relative to the machine table.
  • the workpiece carrier can automatically be rotated relative to the machine table.
  • the rotary drive comprises a drive motor with a rotary drive pulley and a traction means looped around the rotary drive disc, the drive motor being accommodated on the machine frame, the traction means being coupled to the workpiece carrier.
  • the traction means prefferably have a first longitudinal end and a second longitudinal end, the first longitudinal end and the second longitudinal end each being connected to the workpiece carrier and the rotary drive pulley being arranged between the first longitudinal end and the second longitudinal end.
  • the first longitudinal end and the second longitudinal end of the traction means are connected to the workpiece carrier, so that no toothing is necessary on the workpiece carrier in order to bring the traction means into engagement with the workpiece carrier.
  • the eccentric drive motor being arranged on the machine frame.
  • the advantage here is that the eccentric drive motor is not exposed to any vibration and can therefore have an increased service life.
  • a drive pulley is arranged on the eccentric drive motor and a driven pulley is arranged on the eccentric mass, a drive belt being looped around the drive pulley and the driven pulley, a straight line drawn between the axis of rotation of the drive pulley and the axis of rotation of the driven pulley in one Angle between 85 ° and 95 ° to the main direction of movement of the Machine table is standing. This measure can prevent the oscillating movement of the machine table in the main direction of movement from leading to a damaging elongation or to an introduction of force into the drive belt.
  • the two eccentric masses are rotatably connected to one another by means of a synchronization means.
  • the advantage here is that only one of the two eccentric masses has to be driven with an eccentric drive motor and the second eccentric mass can be operated synchronized with the first eccentric mass in the opposite direction of rotation by means of the synchronization means, however.
  • each of the eccentric masses is coupled to an eccentric drive motor and a synchronization means is additionally provided for mechanically synchronizing the two eccentric masses.
  • the first eccentric mass is coupled to a first synchronization pulley and the second eccentric mass is coupled to a second synchronization pulley
  • the synchronization means comprising a synchronization belt which is deflected around deflection pulleys in such a way that an inside of the synchronization belt with the first synchronization pulley is in operative connection and an outer side of the synchronization belt is in operative connection with the second synchronization pulley.
  • the synchronization means is formed by a first gearwheel which is coupled to the first eccentric mass and a second gearwheel which is coupled to the second eccentric mass.
  • the two gears are in direct mesh with one another.
  • At least one coring hammer in particular a hydraulically acting coring hammer, is arranged on the workpiece carrier, which has a hammer head which is used to act on a workpiece is trained.
  • the cast workpiece can be acted on by means of the de-core hammer. This allows the sand cores to be broken or removed from the cast workpieces more easily.
  • the coring hammer is arranged on the workpiece carrier in such a way that an effective direction of the coring hammer is parallel to the main direction of movement.
  • the advantage here is that, as a result of this measure, the acceleration forces acting on the coring hammer lie in the effective direction of the coring hammer and thus do not represent any excessive stress on the coring hammer.
  • the coring hammer can be displaced transversely to the main direction of movement relative to the workpiece carrier.
  • the coring hammer can be displaced in the main direction of movement relative to the workpiece carrier. This measure can improve the flexibility of the coring machine so that various cast workpieces can be cored on the coring machine.
  • An embodiment is also advantageous, according to which it can be provided that two de-core hammers are arranged on the workpiece carrier, the workpiece carrier having a support table which is mounted on a base frame of the workpiece carrier by means of a self-aligning bearing. Dimensional tolerances of the cast workpiece can be compensated for by means of the self-aligning bearing, so that both de-core hammers can act evenly on the cast workpiece.
  • a brake is formed by means of which the machine table can be braked relative to the machine frame.
  • the machine table can be braked by the brake after the core removal process has been completed, so that a new cast workpiece can be inserted after a short time.
  • the brake can be activated during the start-up process so that any critical natural frequencies can be overcome as quickly as possible.
  • the cast workpiece is simultaneously acted on by means of at least one of the coring hammers.
  • This measure can accelerate the core removal process.
  • the machine table has an upper table top and a lower table top which are arranged at a distance from one another, the eccentric mass being arranged between the two table tops.
  • the two synchronization disks are arranged outside the upper or lower table top.
  • the output disk is arranged outside the opposite table top.
  • first eccentric mass is arranged on a first shaft and the second eccentric mass is arranged on a second shaft, the first shaft and the second shaft each by means of a first bearing arranged in the upper table top and one in the lower table top arranged second bearings are stored.
  • the eccentric drive motor is arranged on the machine frame and is not moved relative to the machine substructure during operation of the coring machine.
  • the workpiece carrier has a clamping device for fastening the cast workpiece.
  • the support table is positioned in such a way that the center of gravity of the complete workpiece carrier including the cast workpiece is at the level of the horizontal axis of rotation.
  • Fig. 1 shows a first embodiment of a coring machine 1, which can also be referred to as a vibrating machine, in an oblique view.
  • the coring machine 1 is used to core cast workpieces 2.
  • the coring machine 1 comprises a machine frame 3 which can be set up on a machine substructure 4 or is set up.
  • the coring machine 1 comprises a machine table 6, which is movably mounted in a main direction of movement 5 in relation to the machine frame 3, for clamping the cast workpiece 2.
  • the machine table 6 is movably mounted on the machine frame 3 by means of a suspension 7.
  • the suspension 7 comprises a leaf spring 8 which is coupled to the machine frame 3 at both longitudinal ends by means of a swivel joint 9.
  • the swivel joints 9 can be arranged on the machine frame 3 and the leaf spring 8 can be held in the swivel joint 9.
  • the leaf spring 8 can be coupled to the machine table 6 in the region of its longitudinal center. This can be achieved, for example, by means of clamping jaws or by screwing the leaf spring 8 to the machine table 6.
  • the coring machine 1 comprises a first eccentric mass 10, which is rotatably mounted on the machine table 6, the first eccentric mass 10 being coupled to a first driven pulley 11.
  • the coring machine 1 comprises a second eccentric mass 12, which is rotatably mounted on the machine table 6, the second eccentric mass 12 being coupled to a second driven pulley 13.
  • the second eccentric mass 12 is driven in opposite directions to the first eccentric mass 10.
  • the first eccentric mass 10 and the second eccentric mass 12 are each coupled to an eccentric drive motor 14.
  • a toothed belt, for example, can be used here as the drive belt 16.
  • the eccentric drive motor 14 is arranged on the machine frame 3 and is therefore not moved along with the machine table 6. This measure can increase the service life of the eccentric drive motor 14.
  • a straight line 17, which extends between an axis of rotation 18 of the drive pulley 15 and an axis of rotation 19 of the driven pulley 11, 13, is arranged at an angle 20 to the main direction of movement 5.
  • the angle 20 is preferably 90 °.
  • the two eccentric masses 10, 12 can each be driven independently of one another by the respectively assigned eccentric drive motor 14.
  • the two eccentric drive motors 14 can be controlled in such a way that the eccentric masses 10, 12 are rotated in opposite directions in a synchronized manner with one another.
  • a workpiece carrier 21 is provided for receiving the cast workpiece 2.
  • the workpiece carrier 21 can be rotated about a horizontal axis of rotation 23 relative to the machine table 6 by means of a rotary bearing 22.
  • the horizontal axis of rotation 23 can be arranged parallel to the main direction of movement 5.
  • the cast workpiece 2 can be turned upside down or pivoted to the side, so that the molding sand located in the cast workpiece 2 can be removed from the cast workpiece 2 by the action of gravity.
  • the machine table 6 oscillates with an amplitude between +/- 2 mm to +/- 15 mm.
  • An amplitude of +/- 4 mm to +/- 8 mm has proven advantageous.
  • the workpiece carrier 21 Since the workpiece carrier 21 is coupled to the machine table 6 by means of the rotary bearing 22, the workpiece carrier 21 also vibrates with the machine table 6 in the same amplitude.
  • the rotary bearing 22 as a connecting component between the machine table 6 and the workpiece carrier 21 therefore naturally also oscillates in the main direction of movement 5.
  • a rotary drive 24 is shown schematically, which is used to rotate the workpiece carrier 21 relative to the machine table 6.
  • the rotary drive 24 can have, for example, a drive motor 25 which is coupled to the machine table 6 or is arranged on it. It can thus be provided that the drive motor 25 also oscillates with the machine table 6 in the main direction of movement 5.
  • the rotary drive 24 can be coupled to the workpiece carrier 21, for example, by means of a gear connection.
  • the machine frame 3 has two side parts 26 on which the swivel joints 9 of the suspension 7 are arranged.
  • the side part 26 closest to the possible observer and the suspensions 7 arranged thereon are hidden.
  • the side part 26 (not shown) with the suspensions 7 (not shown) is designed in a mirrored design to the components shown.
  • FIG. 2 a further and possibly independent embodiment of the coring machine 1 is shown, again with the same reference numerals or component designations for the same parts as in the previous one Fig. 1 be used. To avoid unnecessary repetition, please refer to the detailed description in the preceding section Fig. 1 pointed out or referred to.
  • leaf springs 8 of the suspension 7 are connected directly to the machine table 6 at their first longitudinal end and are connected directly to the machine frame 3 at their second longitudinal end.
  • the machine table 6 can be coupled to the machine frame 3 by means of several suspensions 7.
  • both the first driven pulley 11 of the first eccentric mass 10 and the second driven pulley 13 of the second eccentric mass 12 are wrapped around by only one drive belt 16, which is coupled to a drive pulley 15 of the eccentric drive motor 14.
  • a single eccentric drive motor 14 needs to be provided for driving both eccentric masses 10, 12.
  • Such a drive situation for driving the eccentric masses 10, 12 is not limited to the exemplary embodiment shown, but can be provided independently of the design of the suspensions 7.
  • the eccentric drive motor 14 is accommodated on the machine frame 3 and thus stands still relative to the machine substructure 4 or is supported via damping elements and thus can have little movement.
  • several deflection pulleys 27 can be provided around which the drive belt 16 is guided in such a way that an inner side 28 of the drive belt 16 rests on the first driven pulley 11 and an outer side 29 of the drive belt 16 rests on the second driven pulley 13.
  • FIG. 3 a further and possibly independent embodiment of the coring machine 1 is shown, with the same reference numerals or component designations for the same parts as in the previous ones Figures 1 and 2 be used.
  • Fig. 3a the coring machine 1 is shown in a side view, a view according to the line III-III from Fig. 1 was chosen.
  • the embodiment according to Fig. 3 has similar to the embodiment of Fig. 1 a machine frame 3, which also has two side parts 26. For the sake of clarity, the side part 26 closest to the viewer has also been hidden here.
  • Figure 3b a part of the coring machine 1 is shown in the top view associated with the side view, only the drive situation of the eccentric masses 10, 12 being shown in this figure.
  • the machine table 6 has an upper table top 30 and a lower table top 31, which are coupled to one another by means of connecting elements 32.
  • the machine table 6 can be designed, for example, as a cast construction.
  • the machine table 6 is designed as a welded construction.
  • the machine table 6 is designed as a screw structure.
  • the machine table 6 or at least a large part of its individual parts are formed from aluminum.
  • clamping jaws 33 can be provided, by means of which the machine table 6 can be arranged centrally on the leaf springs 8. Furthermore, it can be provided that a first shaft 34 is formed which extends between the upper table top 30 and the lower table top 31. Analogously to this, it can be provided that a second shaft 35 is formed, which likewise extends between the upper table top 30 and the lower table top 31. The first shaft 34 serves to hold the first eccentric mass 10. The second shaft 35 serves to hold the second eccentric mass 12. In particular, it can be provided that the two eccentric masses 10, 12 are each arranged between the upper table top 30 and the lower table top 31.
  • At least one of the two shafts 34, 35 has an output disk 11, 13 which can be coupled to the eccentric drive motor 14.
  • the second driven pulley 13, which is coupled to the drive pulley 15 and thus to the eccentric drive motor 14 by means of the drive belt 16, is arranged only on the second shaft 35.
  • the second output disk 13 is arranged below the lower table top 31.
  • the output disk 11, 13 and the eccentric masses 10, 12 can also be arranged elsewhere on the shaft 34, 35.
  • a synchronization means 36 is provided, by means of which the first shaft 34 is coupled to the second shaft 35.
  • the synchronization means 36 has a first synchronization disk 37 which is arranged on the first shaft 34 and has a second synchronization disk 38 which is arranged on the second shaft 35. Furthermore, a synchronization belt 39 can be provided, which is looped around the first synchronization pulley 37 around the second synchronization pulley 38 and serves to synchronize the two shafts 34, 35 and thus the two eccentric masses 10, 12.
  • the synchronization belt 39 is additionally guided around deflection pulleys 40 so that an inside 41 of the synchronization belt 39 rests on the second synchronization pulley 38 and an outside 42 of the synchronization belt 39 on the first synchronization disc 37 is applied.
  • the deflection pulleys 40 can also be arranged in the area of the second synchronization pulley 38, so that the synchronization belt 39 rests on its inside 41 on the first synchronization pulley 37 and on its outside 42 on the second synchronization pulley 38.
  • the arrangement of the synchronization means 36 is shown in FIG Fig. 3 shown schematically in a top view in addition to the side view.
  • a gearwheel to be arranged on the first shaft 34 and on the second shaft 35, the two gearwheels being in engagement with one another and thus an opposite direction of rotation of the two shafts 34, 35 being achieved.
  • FIG. 3 Another embodiment of the connection of the workpiece carrier 21 to the machine table 6 is also shown.
  • the rotary bearing 22 is designed in the form of a turntable which is interposed between the machine table 6 and the workpiece carrier 21, or by means of which the workpiece carrier 21 is received on the machine table 6.
  • the rotary drive 24 for rotating the workpiece carrier 21 has a rotary drive disk 43 which is arranged on the drive motor 25 and which is turned by a traction means 44.
  • the traction means 44 can be designed, for example, in the form of a toothed belt, which serves to transmit torque between the rotary drive disk 43 and a workpiece carrier disk 45.
  • Fig. 3 As can be seen, it can be provided that the drive motor 25 of the rotary drive 24 is coupled to the machine frame 3 or is attached directly to it and thus the drive motor 25 is also stationary relative to the machine substructure 4. The resulting axial relative movement between the rotary drive disk 43 and the workpiece carrier disk 45 can be compensated for by means of the traction means 44.
  • FIG. 4 a further and possibly independent embodiment of the coring machine 1 is shown, with the same reference numerals or component designations for the same parts as in the previous ones Figures 1 to 3 be used.
  • the drive situation is shown as it is also shown in Fig. 3 is available.
  • the traction means 44 is designed as an endless belt which is looped both around the rotary drive pulley 43 and around the workpiece carrier disk 45.
  • Counterholder roller 46 is looped. By means of the counterholder roller 46 it can be achieved that the pulling means 44 does not exert a pulling force on the workpiece carrier disk 45.
  • the workpiece carrier disk 45 preferably has an external toothing which interacts with a traction means 44 designed as a toothed belt.
  • Figure 4c a further embodiment of the rotary drive 24 is shown.
  • the traction means 44 not as in Figures 4a and b is designed as an endlessly revolving traction means, but has a first longitudinal end 47 and a second longitudinal end 48.
  • the first longitudinal end 47 and the second longitudinal end 48 can each be fastened to the workpiece carrier disk 45 by means of a clamping jaw 49.
  • the mode of operation of the rotary drive 24 is the same as that of the rotary drive 24 which is shown in FIG Figure 4a is shown.
  • the workpiece carrier disk 45 must in the exemplary embodiment according to Figure 4c have no external toothing. This is made possible by the connection by means of the clamping jaws 49.
  • a further embodiment of the rotary drive 24 is shown, which is already in Fig. 1 is shown.
  • the rotary drive disk 43 is designed, for example, as a gearwheel which is in direct engagement with the workpiece carrier disk 45, which in this exemplary embodiment also has an external toothing.
  • Different types of gearing such as involute gearing or headstock gearing, can be provided here.
  • the toothing can also be formed on the inside of the workpiece carrier disk 45, with the workpiece carrier disk 45 correspondingly being able to be configured as a ring gear.
  • the rotary drive disk 43 can be arranged on the inside of the workpiece carrier disk 45.
  • the workpiece carrier 21 has a support table 51 on which the cast workpiece 2 can be received.
  • the support table 51 is preferably positioned in such a way that the center of gravity of the complete workpiece carrier 21 together with the cast workpiece 2 is at the level of the horizontal axis of rotation 23.
  • the torque to be applied by the drive motor 25 can be kept as low as possible.
  • this measure prevents a tilting moment from being introduced into the machine table 6 as a result of the oscillating movement of the workpiece carrier 21 in the main direction of movement 5.
  • the coring machine 1 has a coring hammer 50, which is also arranged on the workpiece carrier 21 and thus can be rotated together with the workpiece carrier 21 relative to the machine table 6 with respect to the horizontal axis of rotation 23.
  • the coring hammer 50 has a punch 52 which is brought into contact with the cast workpiece 2 and has a striking effect on the cast workpiece 2.
  • the coring effect of the coring machine 1 can be improved by means of the coring hammer 50.
  • the punch 52 of the coring hammer 50 can at the same time serve to clamp the cast workpiece 2 on the support table 51.
  • a brake 56 is formed by means of which the oscillating movement of the machine table 6 relative to the machine frame 3 can be braked.
  • the coring machine 1 can be brought to a standstill in a short time, so that a new cast workpiece 2 can be inserted into the coring machine 1 after the coring process has ended.
  • the brake 56 can comprise two brake shoes 58 which can be brought into engagement with a brake plate 57 and thus can prevent a relative movement between the brake shoes 58 and the brake plate 57.
  • the brake plate 57 can be arranged on the machine frame 6 and thus oscillate with it.
  • the brake shoes 58 can be arranged on the machine frame 3 and thus stand still.
  • the brake shoes 58 can also be arranged on the machine frame 6 and the brake plate 57 can be arranged on the machine frame 3.
  • FIG. 5 a further and possibly independent embodiment of the coring machine 1 is shown, with the same reference numerals or component designations for the same parts as in the previous ones Figures 1 to 4 be used.
  • FIG. 4 shows a schematic front view of the coring machine 1 along the line V - V in FIG Fig. 3 .
  • a possible embodiment of the coring hammer 50 is shown.
  • Fig. 5 As can be seen, it can be provided that the support table 51, on which the cast work piece (s) 2 rest, is arranged on a base frame 54 such that it can be tilted by means of a self-aligning bearing 53. This is particularly advantageous when two coring hammers 50 are formed. As a result of this measure, two cast workpieces 2 can be fastened to the support table 51, with the clamping force acting on the cast workpieces 2 being the same due to the self-aligning bearing 53.
  • an infeed cylinder 55 is formed, by means of which the support table 51 can be displaced relative to the core hammers 50.
  • the support table 51 can be displaced relative to the core hammers 50.
  • FIG. 6 a further and possibly independent embodiment of the coring machine 1 is shown, with the same reference numerals or component designations for the same parts as in the previous ones Figures 1 to 5 be used.
  • Fig. 6 shows a further embodiment of the workpiece carrier 21 similar to the view in FIG Fig. 3 , but only the workpiece carrier 21 and the components connected to it are shown.
  • the support table 51 is L-shaped or has a counter-holder plate and that the coring hammer 50 acts in the horizontal direction parallel to the horizontal axis of rotation 23.
  • the cast workpiece 2 can be inserted into the support table 51 more easily, since the coring hammer 50 is not in the way when the cast workpiece 2 is inserted.
  • the support table 51 is easily accessible from above, as a result of which the cast workpiece 2 can be inserted into the support table 51 by means of a crane or a manipulation robot, for example.
  • the coring hammer 50 can be coupled to the support table 51 by means of a holder 59.
  • the rotary bearing 22 or the receptacle of the rotary bearing 22 is designed as a hollow cylinder in such a way that the coring hammer 50 can protrude through the rotary bearing 22.
  • the coring machine 1 can be built as compact and space-saving as possible.
  • the hollow cylindrical design of the rotary bearing 22 makes it possible for various media lines to be guided through the centrally located cavity.
  • All information on value ranges in the objective description are to be understood in such a way that they include any and all sub-areas, e.g. the information 1 to 10 to be understood to mean that all sub-areas, starting from the lower limit 1 and the upper limit 10, are included, ie all sub-areas begin with a lower limit of 1 or greater and end at an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1, or 5.5 to 10.

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Claims (18)

  1. Machine à énucléer (1) destinée à énucléer des pièces moulées (2), comprenant :
    - un châssis de machine (3) qui peut être installé sur une embase de machine (4) ;
    - une table de machine (6) qui est couplé avec le châssis de machine (3) au moyen d'une suspension (7), dans lequel la table de machine (6) est logée, au moyen de la suspension (7), de manière mobile au moins dans une direction de mouvement principale (5) par rapport au châssis de machine (3) ;
    - une première masse excentrique (10) qui est montée de manière rotative sur la table de machine (6) ;
    - une deuxième masse excentrique (12) qui est montée de manière rotative sur la table de machine (6), dans lequel la deuxième masse excentrique (12) est entraînée en contresens par rapport à la première masse excentrique (10) ;
    - un support de pièce (21) pour le logement de la pièce moulée à énucléer (2),
    caractérisée en ce que
    le support de pièce (21) est couplé au moyen d'un palier rotatif (22) avec la table de machine (6), dans lequel le palier rotatif (22) est conçu de façon à ce que le support de pièce (21) soit logé de manière rotative autour d'un axe horizontal (23) par rapport à la table de machine (6).
  2. Machine à énucléer selon la revendication 1, caractérisée en ce que la suspension (7) comprend un ressort à lames (8), dans lequel le ressort à lames (8) est couplé, au niveau de ses deux extrémités longitudinales, au moyen d'une articulation rotative (9), avec le châssis de machine (3) et est couplé, au niveau de son centre longitudinal, avec la table de machine (6).
  3. Machine à énucléer selon la revendication 1 ou 2, caractérisée en ce que le palier rotatif (22) est conçu sous la forme d'une couronne rotative.
  4. Machine à énucléer selon l'une des revendications précédentes, caractérisée en ce qu'un entraînement rotatif (24) est prévu, au moyen duquel le support de pièce (21) peut être mis en rotation par rapport à la table de machine (6).
  5. Machine à énucléer selon la revendication 4, caractérisée en ce que l'entraînement rotatif (24) comprend un moteur d'entraînement (25) avec une poulie d'entraînement rotatif (43) et un moyen de traction (44) enroulé autour de la poulie d'entraînement rotatif (43), dans lequel le moteur d'entraînement (25) est logé au niveau du châssis de machine (3), dans lequel le moyen de traction (44) est couplée avec le support de pièce (21).
  6. Machine à énucléer selon la revendication 5, caractérisée en ce que le moyen de traction (44) comprend une première extrémité longitudinale (47) et une deuxième extrémité longitudinale (48), dans lequel la première extrémité longitudinale (47) et la deuxième extrémité longitudinale (48) sont reliées respectivement avec le support de pièce (21) et dans lequel la poulie d'entraînement rotatif (43) est disposée entre la première extrémité longitudinale (47) et la deuxième extrémité longitudinale (48).
  7. Machine à énucléer selon l'une des revendications précédentes, caractérisée en ce qu'au moins une des masses excentriques (10) est couplée avec un moteur d'entraînement excentrique (14), dans lequel le moteur d'entraînement excentrique (14) est disposé sur le châssis de machine (3).
  8. Machine à énucléer selon la revendication 7, caractérisée en ce que, sur le moteur d'entraînement excentrique (14) est disposée une poulie d'entraînement (15) et sur la masse excentrique (10) est disposée une poulie de sortie (11), dans lequel une courroie d'entraînement est enroulée autour de la poulie d'entraînement (15) et de la poulie de sortie (11), dans lequel une droite (17) tracée entre l'axe de rotation (18) de la poulie d'entraînement (15) et l'axe de rotation (19) de la poulie de sortie (11) forme un angle (20) entre 85° et 95° par rapport à la direction de mouvement principale (5) de la table de machine (6).
  9. Machine à énucléer selon l'une des revendications précédentes, caractérisée en ce que les deux masses excentriques (10, 12) sont reliées en rotation entre elles à l'aide d'un moyen de synchronisation (36).
  10. Machine à énucléer selon la revendication 9, caractérisée en ce que la première masse excentrique (10) est couplée avec une première poulie de synchronisation (37) et la deuxième masse excentrique (12) est couplée avec une deuxième poulie de synchronisation (38), dans lequel le moyen de synchronisation (36) comprend une courroie de synchronisation (39) qui est déviée autour de poulies de renvoi (40) de façon à ce qu'une face interne (41) de la courroie de synchronisation (39) soit en liaison fonctionnelle avec la première poulie de synchronisation (37) et une face externe (42) de la courroie de synchronisation (39) soit en liaison fonctionnelle avec la deuxième poulie de synchronisation (38).
  11. Machine à énucléer selon l'une des revendications précédentes, caractérisée en ce que, sur le support de pièce (21) est disposé au moins un marteau à énucléer (50), plus particulièrement un marteau à énucléer hydraulique (50), qui comprend une tête de marteau qui est conçue pour agir sur une pièce.
  12. Machine à énucléer selon la revendication 11, caractérisée en ce que le marteau à énucléer (50) est disposé sur le support de pièce (21) de façon à ce qu'une direction d'action du marteau à énucléer (50) soit parallèle à la direction de mouvement principale (5).
  13. Machine à énucléer selon la revendication 11 ou 12, caractérisée en ce que le marteau à énucléer (50) peut être coulissé par rapport au support de pièce (21) de manière transversale par rapport à la direction de mouvement principale (5).
  14. Machine à énucléer selon l'une des revendications 11 à 13, caractérisée en ce que le marteau à énucléer (50) peut être coulissé par rapport au support de pièce (21) dans la direction de mouvement principale (5).
  15. Machine à énucléer selon l'une des revendications 11 à 14, caractérisée en ce que deux marteaux à énucléer (50) sont disposés sur le support de pièce (21), dans lequel le support de pièce (21) comprend une table d'appui (51) qui est montée au moyen d'un palier oscillant (53) sur un châssis de base (54) du support de pièce (21).
  16. Machine à énucléer selon l'une des revendications précédentes, caractérisée en ce qu'un frein (56) est prévu, au moyen duquel la table de machine (6) peut être freinée par rapport au châssis de machine (3).
  17. Procédé de fabrication de pièces moulées (2) au moyen d'une machine à énucléer (1) selon l'une des revendications précédentes, caractérisé en ce que le procédé comprend les étapes suivantes :
    - serrage de la pièce moulée (2) sur le support de pièce (21) ;
    - mise en vibration de la pièce moulée (2) par le déplacement de la table de machine (6) avec le support de pièce (21) dans la direction de mouvement principale (5) par rapport au châssis de machine (3) ;
    - vidange du sable de moulage hors de la pièce moulée (2) pour la rotation du support de pièce (21) autour d'un axe de rotation horizontal (23) par rapport à la table de machine (6).
  18. Procédé selon la revendication 17, caractérisé en ce que, pendant la mise en vibration de la pièce moulée (2) par le déplacement de la table de machine (6) avec le support de pièce (21) dans la direction de mouvement principale (5) par rapport au châssis de machine (3), au moins un des marteaux à énucléer (50) agit sur la pièce moulée (2).
EP18829177.7A 2017-11-22 2018-11-19 Machine à énucléer destinée à énucléer des pièces moulées et procédé de fabrication de pièces moulées Active EP3713691B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50971/2017A AT520666B1 (de) 2017-11-22 2017-11-22 Entkernmaschine zum Entkernen von Gusswerkstücken sowie Verfahren zum Herstellen von Gusswerkstücken
PCT/AT2018/060270 WO2019100092A1 (fr) 2017-11-22 2018-11-19 Machine à énucléer destinée à énucléer des pièces moulées et procédé de fabrication de pièces moulées

Publications (2)

Publication Number Publication Date
EP3713691A1 EP3713691A1 (fr) 2020-09-30
EP3713691B1 true EP3713691B1 (fr) 2021-09-01

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EP18829177.7A Active EP3713691B1 (fr) 2017-11-22 2018-11-19 Machine à énucléer destinée à énucléer des pièces moulées et procédé de fabrication de pièces moulées

Country Status (6)

Country Link
US (1) US11065683B2 (fr)
EP (1) EP3713691B1 (fr)
CN (1) CN111417475B (fr)
AT (1) AT520666B1 (fr)
MX (1) MX2020005184A (fr)
WO (1) WO2019100092A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT520358B1 (de) * 2017-09-07 2019-10-15 Fill Gmbh Entkernmaschine zum Entkernen von Gusswerkstücken
AT524494A1 (de) * 2020-10-02 2022-06-15 Fill Gmbh Schwingvorrichtung
CN115365481B (zh) * 2022-09-14 2024-08-13 江苏天宏智能装备有限公司 一种震动落砂设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728687A1 (de) * 1987-08-27 1989-03-09 Froelich & Kluepfel Druckluft Verfahren und vorrichtung zum entkernen von gussstuecken
US5064053A (en) 1990-10-24 1991-11-12 Carrier Vibrating Equipment, Inc. Vibratory drive system for a vibratory conveyor apparatus and a conveyor apparatus having same
ES1023151Y (es) * 1992-12-03 1994-01-01 Poyatos Diaz Dispositivo vibrador para maquinaria.
AT3791U1 (de) * 1999-09-07 2000-08-25 Fill Gmbh Vorrichtung zum entkernen von gusskörpern mit sandkernen
JP2001121254A (ja) * 1999-10-26 2001-05-08 Ryoei Engineering Kk 鋳造品の中子砂除去方法およびその装置
FR2850305B1 (fr) * 2003-01-23 2005-03-18 Marcel Massin Systeme automatise de debourrage et dispositif de debourrage
DE202004021523U1 (de) * 2004-12-23 2008-09-25 "F. u. K." Frölich & Klüpfel Drucklufttechnik GmbH & Co. KG Entkernungsvorrichtung
JP2007253188A (ja) 2006-03-23 2007-10-04 Shiga Yamashita:Kk 振動砂落とし装置
DE102011015284A1 (de) * 2011-03-28 2012-10-04 Neue Halberg-Guss Gmbh Verfahren und Vorrichtung zur Reinigung von Gussteilen mit komplexen Hohlräumen
US20150336233A1 (en) * 2014-05-23 2015-11-26 United Technologies Corporation Conditioning one or more internal surfaces of an object
AT517133B1 (de) 2015-04-17 2017-09-15 Fill Gmbh Entkernmaschine/Rüttelmaschine mit verbessertem Antrieb
CN205519597U (zh) * 2016-04-28 2016-08-31 无锡市华铸机械工业有限公司 震动去芯装置

Also Published As

Publication number Publication date
US20200346282A1 (en) 2020-11-05
AT520666A1 (de) 2019-06-15
MX2020005184A (es) 2020-08-17
CN111417475B (zh) 2022-02-22
AT520666B1 (de) 2020-07-15
WO2019100092A1 (fr) 2019-05-31
EP3713691A1 (fr) 2020-09-30
CN111417475A (zh) 2020-07-14
US11065683B2 (en) 2021-07-20

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