EP3409391B1 - Unité d'outil pour une machine d'extrusion destiné à la fabrication en continu d'un profilé d'une matière à extruder déformable - Google Patents

Unité d'outil pour une machine d'extrusion destiné à la fabrication en continu d'un profilé d'une matière à extruder déformable Download PDF

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Publication number
EP3409391B1
EP3409391B1 EP18179253.2A EP18179253A EP3409391B1 EP 3409391 B1 EP3409391 B1 EP 3409391B1 EP 18179253 A EP18179253 A EP 18179253A EP 3409391 B1 EP3409391 B1 EP 3409391B1
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EP
European Patent Office
Prior art keywords
receiving
tool
receiving cage
cage part
friction wheel
Prior art date
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Application number
EP18179253.2A
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German (de)
English (en)
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EP3409391A3 (fr
EP3409391A2 (fr
Inventor
Johann VIELHABER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASMAG Holding GmbH
Original Assignee
ASMAG Holding GmbH
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Publication date
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Priority to PL18179253T priority Critical patent/PL3409391T3/pl
Publication of EP3409391A2 publication Critical patent/EP3409391A2/fr
Publication of EP3409391A3 publication Critical patent/EP3409391A3/fr
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Publication of EP3409391B1 publication Critical patent/EP3409391B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/005—Continuous extrusion starting from solid state material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/212—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/02—Dies

Definitions

  • the invention relates to a tool unit for an extrusion machine for the continuous production of profiles from a deformable extruded material, as described in claim 1.
  • an apparatus for continuous extrusion which includes a rotatable wheel with a circumferential groove.
  • the extrusion tool composed of several tool elements is inserted in a stepped receiving opening.
  • the extrusion tool can be removed from it in the bottom-side direction.
  • the stripping element is held screwed in a screwed and clamped position to the tool elements forming the extrusion tool. If tool components are exchanged or changed, the entire structure must be expanded.
  • the tool holding device can be held locked in its working position with respect to the base frame.
  • a gap is formed between the tool unit and the friction wheel when the tool holding device is in the working position. If the die is worn, the entire tool must be replaced. An exact positioning of the loosely inserted stripping element can only be done on the Take place receiving cage, since there is no contact between the stripping element and the tool.
  • the present invention is based on the object of creating a tool unit which forms an associated structural unit in which tool components can be exchanged or exchanged easily and which can nevertheless be supported and positioned correctly during operation.
  • the tool unit can also be easily designed with a predefined longitudinal extension, which means that the same installation conditions for the tool holding device can always be created for the profile in relation to the longitudinal extension in the direction of the outlet channel.
  • a design is advantageous in which a retaining lug is formed on the stripping element on its end section facing the second receiving cage part and formed between the two contact surfaces, which engages in a retaining lug receiving opening formed in opposite directions, since this results in an even better position of the stripping element in the receiving groove can.
  • the tool element arranged on the inlet side and the receiving channel formed in the first receiving cage part have a form-fitting, cooperating circumferential geometry in the circumferential direction around the profile axis, it is possible to achieve an axial adjustment of the tool element arranged on the inlet side in the first receiving cage part and to dispense with additional guide elements to be able to. An axial adjustment can thus be achieved without the tool element being rotated relative to the first receiving cage part.
  • an axial guidance is thus also achieved for the die, whereby a simple modular system of the tool unit can be created.
  • a simple modular system of the tool unit can be created.
  • a change can be made easily, in which only the two receiving cage parts have to be separated from one another and a corresponding die and, if necessary, further spacer elements have to be inserted into the receiving space.
  • a further development is also advantageous in which at least one spacer element is arranged between the die and the support surface delimiting the receiving space on the outlet side, as this means that, depending on the profile geometry of the die, the same overall length of the entire tool unit can always be created. This becomes a simple one Combination possibility created, with the choice of the receiving cage and the tool components to be arranged therein always creating the same overall length of the tool unit in the exit direction of the profile, even with the most varied of profile geometries. This means that additional adjustment work and setting work are almost unnecessary when changing tools.
  • the receiving cage has a first support surface at its outlet-side end, which is aligned with respect to the profile axis in a plane running at right angles thereto and, on its lower side in the deployed position, a further support surface at an angle thereto, in particular at right angles, has a second supporting surface running to it, it is achieved that a uniform receiving cage can be created in which the most varied of tool components can be received.
  • this also allows the component complexity and thus additional costs to be reduced, since different component components with smaller dimensions must always be used in the individual receiving cages.
  • This extrusion machine 1 shown here represents a special form of extrusion machine 1 which enables continuous production.
  • a continuously fed wire with a diameter between 5 and 30 mm is fed to the extrusion machine 1 as extruded material 3 and heated there via a driven friction wheel 4 to up to 500 ° C. and above, depending on the material to be formed.
  • the then doughy material is pressed through a die arranged immediately after the friction wheel 4, the shaping process taking place in this section.
  • This continuous process is mainly used for profiles 2 of small and medium-sized dimensions.
  • a wide variety of materials, such as aluminum, copper, non-ferrous metals or their alloys can be formed.
  • the forming process which can be carried out continuously over a longer period of time in this extrusion machine 1, and the fact that a single, relatively small and simply constructed extrusion machine 1 is required for this, enable a cost reduction compared to conventional extrusion machines.
  • the extrusion machine 1 can in principle comprise a base frame 5 as well as a tool holding device 6 which is mounted pivotably or rotatably on a pivot axis 7 held on the base frame 5.
  • the pivoting movement is illustrated in a simplified manner with a double arrow in the area of the pivot axis 7.
  • the tool holding device 6 can be pivoted between a working position and a release position if necessary.
  • swivel drives or adjusting mechanisms have not been shown, although it should be mentioned that all devices or elements known from the prior art can be used here.
  • the tool holding device 6 is arranged downstream of the friction wheel 4, seen in the direction of passage of the profile 2 to be produced.
  • the working position is shown here in solid lines and the release position is shown in a simplified manner in dash-dotted lines.
  • the friction wheel 4 can be rotated in a known manner about a drive axle 8 and is also in drive connection with a drive unit 9, which is only indicated schematically. Furthermore, the at least one friction wheel 4 provided also has at least one circumferential groove. Furthermore, at least one pressure roller 10 can be assigned to each of the friction wheels 4, with which the extruded material 3 entering the extrusion machine 1 and to be reshaped is pressed in the radial direction against the friction wheel or wheels 4.
  • the extrusion machine 1 furthermore also comprises a locking device 11 which, for example, is also pivotably mounted on the base frame 5. The locking device 11 serves to keep the tool holding device 6 positioned relative to the base frame 5, in particular the friction wheel 4, during its working position and operation.
  • a double arrow entered in the area of the locking device 11 schematically shows the possibility of displacement of the locking device 11 Fig. 1 the locking position for the tool holding device 6 is shown.
  • the locking device 11 can be formed by an approximately U-shaped holding frame, in which the two holding arms are pivotably mounted on the side of the base frame 5.
  • a base arm which connects the two holding arms on the outside engages around the tool holding device 6 in the locking position and prevents the tool holding device 6 from pivoting away from its working position.
  • at least one tool unit 12, only indicated schematically here, is mostly supported on the tool holding device 6, the design of the tool unit 12 being described in more detail in the following figures.
  • gap width of the gap between the friction wheel 4 and the tool unit 12 depends on the one hand on the temperature of the system parts and on the other hand on the signs of wear of the tool unit 12, a fairly exact and, above all, readjustable setting of the gap width is more independent in the present invention Aspect. For example, maintaining and setting the gap width can represent an independent task of the invention and, in a corresponding manner, also represent an independent solution independently of the other system parts and method steps described here.
  • the adjusting device 14 in addition to the locking device 11 on the base frame 5, in a distance from the pivot axis 7 and with respect to the Drive axis 8 of the friction wheel 4 opposite end region 13 of the tool holding device 6 has its own adjusting device 14.
  • the adjusting device 14 has an adjusting element 15 which is designed to be adjustable relative to the base frame 5 for this purpose.
  • the adjusting element 15 for its part has a positioning surface 16 facing the end region 13 of the tool holding device 6 and a guide surface 17 facing away from the tool holding device 6.
  • the adjusting surface 16 and the guide surface 17 are aligned in a wedge-shaped manner with respect to one another.
  • the guide surface 17 is supported on a section of the base frame 5, which is not designated in more detail and is in particular designed as a sliding surface.
  • the actuating element 15 is also connected to an actuating mechanism (not shown in more detail) and is adjustable relative to the base frame 5 in the direction of a schematically entered double arrow.
  • the guide surface 17 thus runs approximately vertically, the placement surface 16, which is inclined thereto, runs from the top left to the bottom right, as can be seen from the side view of the extrusion machine 1.
  • the tool holding device 6 has a support surface 18 on its end region 13, which is distanced from the pivot axis 7, and on a first side facing the friction wheel 4. When the tool holding device 6 is in the working position, the support surface 18 arranged or formed on the tool holding device 6 is supported on the placement surface 16 of the actuating element 15.
  • the locking device 11 described above also has at least one pressure unit 19 with at least one pressure element 20.
  • the pressure element 20 is also arranged on the end region 13 distanced from the pivot axis 7, but is in contact with the tool holding device 6 on a second side facing away from the friction wheel 4.
  • the support surface 18 of the tool holding device 6 is pressed against the placement surface 16 of the actuating element 15 by means of the pressure unit 19.
  • the adjusting element 15 is also supported with its guide surface 17 on the base frame 5, when the adjusting element 15 is displaced by means of the adjusting device 14, the tool holding device 6 can run around its pivot axis 7 due to the wedge-shaped, in particular acute-angled, to one another aligned footprint 16 and guide surface 17 take place. Since the tool holding device 6 corresponds in the broadest sense to a lever or a lever arrangement, the gap formed between the tool unit 12 and the friction wheel 4 can also be changed in its gap width as a result of the adjustment of the adjusting element.
  • the pressure element 20 of the pressure unit 19 is received at least in some areas in a pressure chamber 21 and is acted upon by a pressure medium, indicated in simplified form by dashes and located in the pressure chamber 21.
  • the pressure medium can be liquid or gaseous, with an almost incompressible liquid, such as hydraulic oil, having proven to be beneficial, especially at high pressures.
  • the pressure element 20 can be designed, for example, as a double-acting piston of a cylinder-piston arrangement, with which the pressure element 20 is then pressed against the second side of the tool holding device 6 when the pressure is applied accordingly.
  • adjusting element 15 of the adjusting device 14 is adjusted, not only is the relative position of the tool holding device 6 with respect to the base frame 5, in particular the friction wheel 4, shifted, but there is also a change in volume of the pressure medium accommodated in the pressure chamber, whereby the pressure element 20 in its relative position with respect to the printing unit 19 is adjusted.
  • pressure relief valves can be used in order to avoid a rigid system and to enable the pressure element 20 to be adjusted.
  • a measuring device 22 can be arranged in the area of the gap formed between the tool unit 12 and the friction wheel 4. This is indicated schematically with a circle.
  • the measuring device 22 determines the actual gap width and can in turn be connected to an evaluation and / or control device 23. For the sake of simplicity, this is represented by a rectangle.
  • the determined value for the gap width can be compared with a predefined setpoint value and then a corresponding control or control signal can be passed on to the adjusting device 14.
  • the evaluation and / or control device 23 is connected to the actuating device 14.
  • the adjusting device 14 can then move the adjusting element 15 to such an extent that the predetermined gap width is reached.
  • This adjustment movement and readjustment can take place during operation under full load. This has the advantage that the machine does not have to be switched off, but a change in the gap width can be carried out directly and immediately. This can be done with the previously described adjusting element 15 of the adjusting device 14, which is designed as an adjusting wedge.
  • a receiving chamber 24 is formed or arranged in the tool holding device 6.
  • the outlines of the receiving chamber 24 are shown only in a simplified manner, the tool unit 12 being received therein.
  • the receiving chamber 24 has at least two first and second positioning surfaces 25, 26, which are oriented at an angle, in particular at right angles, to one another and on which the tool unit 12 is supported.
  • the first positioning surface 25 is arranged on the side of the tool unit 12 facing away from the friction wheel 4.
  • the receiving chamber 24 in the direction of the friction wheel 4 is designed to be open.
  • the first positioning surface 25 can be oriented approximately vertically and in a perpendicular direction with respect to the direction of passage of the profile 2.
  • the drive unit 9, shown here in simplified form, can itself be formed from a large number of different assemblies and components.
  • the drive torque for the friction wheel 4 can take place, for example, by a drive motor with an optionally connected gear and a drive shaft 27. Via a coupling 28, the drive torque is passed on to first and second drive shaft parts 29, 30 arranged on both sides of the friction wheel 4 and rotatably mounted on frame parts of the base frame 5. At least one of the drive shaft parts 29, 30 is in the axial direction with respect to the base frame 5 from one on the Friction wheel 4 adjacent contact position in a spaced from the friction wheel 4 change position for the friction wheel 4 is adjustable.
  • the assembly of the drive shaft part 29 and the coupling 28 connected to it which is arranged here on the right, is mounted in a stationary manner on the base frame 5, in particular its right frame part. It is also shown here that the friction wheel 4 rests against the drive shaft parts 29, 30 arranged next to it on both sides and is additionally held clamped between these two drive shaft parts 29, 30 in the axial direction. Centering with respect to the common drive axle 8 can be provided on both sides between the friction wheel 4 and the drive shaft parts 29, 30.
  • the friction wheel 4 can be connected to at least one of the drive shaft parts 29, 30 in their contact position via cooperating first and second Coupling elements 31, 32 of a coupling device 33 can be coupled in a rotationally fixed manner.
  • the coupling device 33 is preferably arranged or formed on both sides of the friction wheel 4.
  • the two drive shaft parts 29, 30 each have first and second receiving openings 35, 36, which are cylindrical in their center. These are preferably aligned with one another in order to be able to accommodate a common support axis 37 therein.
  • An additional support effect of the two drive shaft parts 29, 30 can also be achieved in their center by selecting a suitable fit. However, this also increases the inherent rigidity of the entire drive unit 9.
  • the support axle 37 can be provided with an external thread 38 on an axle end region facing the first drive shaft part 29.
  • the first receiving opening 35 of the first drive shaft part 29 can be provided with an internal thread 39.
  • the support shaft 37 can thus be connected to the first drive shaft part 29 in a tensile manner in the axial direction.
  • tensile connection means can be provided in order to couple or connect the support axis 37 to the first drive shaft part 29 in a tensile manner. Care should be taken to ensure that coupling elements are in engagement in this area so that the friction wheel can be changed quickly and without long downtimes.
  • the support axis 37 can be slidably guided in the second receiving opening 36 formed in the second drive shaft part 30.
  • the second drive shaft part 30 can be adjusted in the direction of the first drive shaft part 29 via appropriately designed tension and / or pressure elements, so that the friction wheel 4 is axially between the two Drive shaft parts 29, 30 is held clamped.
  • the form-fitting power transmission starting from at least one of the drive shaft parts 29, 30 to the friction wheel 4 can take place through the coupling device 33 described above and its first and second coupling elements 31, 32.
  • the support axis 37 can be adjusted in the axial direction from an insert position which penetrates the friction wheel 4 and is screwed to the internal thread 39 of the first drive shaft part 29 in the direction averted from the first drive shaft part 29, at least to such an extent that an axis end of the support axis 37 facing the first drive shaft part 29 is arranged outside the friction wheel 4. If, however, instead of the screw connection with internal thread 39 and external thread 38 described here, a different coupling device with interlocking coupling means is provided, the previously described rotary movement can be omitted, for example.
  • the adjustment movement of the support axis 37 described first can be carried out, for example, in such a way that after the positive connection has been released from the axis end area facing the first drive shaft part 29, an adjusting device 40, e.g. with a cylinder-piston arrangement, is arranged on the opposite end area of the support axis 37. Because the support axis 37 is mounted in the second drive shaft part 30 so that it can slide in the axial direction, an axial adjustment of the support axis 37 can be carried out via the adjustment device 40 into the position shown in FIG Fig. 3 position shown. For this purpose, the adjusting device 40 is connected to the end of the support axis 37 facing away from the first drive shaft part 29. Furthermore, the adjusting device 40 is also supported on the base frame 5, if necessary with the interposition of components that are not designated in detail. When the adjusting device 40 is actuated accordingly, the support axis 37 can be axially adjusted.
  • an adjusting device 40 e.g. with a cylinder-piston arrangement
  • a connecting lever 41 or setting lever is coupled or brought into engagement with the second drive shaft part 30, which is mounted in the base frame 5 so as to be adjustable in the axial direction.
  • a joint adjustment of both the support axis 37 and the second drive shaft part 30 relative to the base frame 5 to the left-hand side of the base frame 5 can take place.
  • This position is in the Fig. 4 shown, it can now also be seen that the contact position of the second drive shaft part 30 here is canceled by the friction wheel 4. With an appropriate choice of the length of the axial adjustment, the friction wheel 4 can then take place from the first drive shaft part 29 arranged here on the right-hand side.
  • the driver rings 34 described above can serve, for example, to always be able to form the same axial distance when the axial length of the friction wheel 4 changes by correspondingly exchanging or adapting the driver rings 34.
  • the process or the method for changing at least one friction wheel 4 of the extrusion machine 1 connected to the drive unit 9 and rotatable about the drive axis 8 can include at least the following steps.
  • first drive shaft part 29 adjusted opposite direction.
  • the support axis 37 is adjusted to an intermediate position in which the friction wheel 4 is no longer penetrated by the support axis 37.
  • at least the axle end area of the support axle 37 is outside the cross section of the friction wheel 4.
  • This is followed by a common adjustment of the second drive shaft part 30 and the support axle 37 guided therein in the direction averted from the first drive shaft part 29.
  • This results in the release of a contact position resting on the friction wheel 4 of at least one of the drive shaft parts 29 and / or 30.
  • the friction wheel 4 remains on the first drive shaft part 29 and can then be released from it, in particular uncoupled, and removed from the extrusion machine 1 when it is appropriately released.
  • the pressure roller 10 is preferably first adjusted upwards in the vertical direction in the direction facing away from the friction wheel 4. Subsequently, the pressure roller 10 can still be adjusted in the direction of passage of the extruded material 3 to be reshaped or the profile 2 into a position further distanced from the friction wheel 4.
  • the tool holding device 6 with the tool unit 12 received or supported therein should be pivoted from its working position immediately adjacent to the friction wheel 4 into a release position distanced therefrom. This enables even easier access to the friction wheel 4 and facilitates the removal and reinstallation activities.
  • the tool unit 12 shown here is designed to be received in the previously described tool holding device 6 and in turn comprises a receiving cage 42 which has a first receiving cage part 43 arranged on the inlet side and a second receiving cage part 44 arranged on the outlet side.
  • the two receiving cage parts 43, 44 can furthermore rest against one another via connecting means 45, such as screws or the like, on end faces 46, 47 facing one another and be connected to one another.
  • a receiving channel 48 which extends through it in the direction of passage of the extruded material 3 and in which at least one tool element 49 arranged on the inlet side is received or inserted.
  • an expansion channel 50 is formed for the extruded material 3 stripped off by the friction wheel 4 and already softened.
  • the tool unit 12 also comprises, in a known manner, a stripping element 51 arranged on the inlet side.
  • the second receiving cage part 44 which is arranged downstream of the first receiving cage part 43, has a receiving space 52 facing towards the first receiving cage part 43 and open towards it. At least one die 53 is received in the receiving space 52.
  • the die 53 is arranged downstream of the tool element 49 arranged on the inlet side in the direction of passage of the extruded material 3.
  • the die 53 is provided with a shaping channel 54 which is used to shape the profile 2 to be produced.
  • the expansion channel 50 and the shaping channel 54 define a profile axis 55 for the to be produced Profile 2.
  • the profile axis is preferably aligned in a straight line and running in a horizontal plane.
  • the receiving space 52 is delimited at least in regions on the outlet side by a support surface 56. Subsequent to the receiving space 52, a passage opening 57 for the profile 2 emerging from the tool unit 12 is formed in the second receiving cage part 44. Furthermore, the die 53 is supported, optionally with the interposition of at least one spacer element 58, on the support surface 56 delimiting the receiving space 52 on the outlet side.
  • the receiving cage 42 In the assembled or assembled position of the two receiving cage parts 43, 44 forming the receiving cage 42, an associated structural unit is formed in which the die 53, possibly the at least one spacer element 58, the tool element 49 arranged on the inlet side and the stripping element 51 are received or received therein are adhered to.
  • the receiving cage 42 in particular its second receiving cage part 44, has a first support surface 59 at its outlet-side end, which is aligned with respect to the profile axis 55 in a plane running at right angles thereto.
  • the receiving space 52 has, on its lower side in the deployed position, a further bearing surface 60 that extends at an angle to the first bearing surface 59, in particular at right angles thereto.
  • the tool element 49 arranged on the inlet side is supported directly on the die 53 and the spacer element 58 provided here on the support surface 56 of the second receiving cage part 44.
  • the tool unit 12 can thus be inserted into the previously described receiving chamber 24 of the tool holding device 6 and brought into contact there on the two positioning surfaces 25, 26. Since the same longitudinal extension of the tool unit 12, as described above, can always be exactly executed and maintained here, the gap width setting can subsequently be precisely predetermined by the adjusting device 14 via the relative position or location of the adjusting element 15.
  • the die 53 and optionally the spacer element 58 can have a cylindrical outer shape on their outer circumference with respect to the profile axis 55.
  • the receiving space 52 formed in the second receiving cage part 44 is then to be formed with a three-dimensional shape correspondingly configured in opposite directions.
  • at least the die 53, but preferably also the spacer element 58 can be received in the receiving space 52 formed in the second receiving cage part 44, guided in the axial direction with respect to the profile axis 55. This can be done, for example, via a centering pin 61, shown in a simplified manner, which is indicated in dashed lines. This is arranged in the outlet-side end region of the second receiving cage part 44 and extends in the direction of the first receiving cage part 43.
  • the tool element 49 and the receiving channel 48 can have a form-fitting, cooperating circumferential geometry in relation to one another in the circumferential direction around the profile axis 55. This could be done, for example, by a cylindrical shape with lateral flattened areas or a polygonal cross-sectional shape.
  • a common receiving groove 62 is arranged or formed both in the tool element 49 arranged on the inlet side and in the first receiving cage part 43.
  • the receiving groove 62 is limited by at least one groove base area 63, 64.
  • the stripping element 51 is loosely inserted into the receiving groove 62 and is supported on the at least one groove base surface 63, 64 in a load-bearing manner.
  • the stripping element 51 protrudes into the groove shown in the friction wheel 4 and deflects the softened extruded material 3 from the groove of the friction wheel 4 into the expansion channel 50 of the tool element 49 on the inlet side.
  • the stripping element 51 is subject to a high level of wear and tear and has to be replaced or changed more often.
  • By appropriate selection and alignment of the groove base surfaces 63, 64 it is possible to receive the stripping element 51 loosely and thus without any additional holding device or clamping effect on the tool unit 12.
  • internal cooling of the stripping element 51 can also be provided in order to minimize the temperature load.
  • first groove base surface 63 is arranged or formed in the tool element 49 arranged on the inlet side and the second groove base surface 64 is arranged or formed in the first receiving cage part 43.
  • the two groove base surfaces 63, 64 are aligned or formed converging towards one another in the direction of the second receiving cage part 44 arranged on the outlet side.
  • first and second contact surfaces 65, 66 that are aligned in opposite directions are to be formed on the stripping element 51.
  • a retaining projection 67 can be formed on the stripping element 51 on its end section facing the second receiving cage part 44 and formed between the two contact surfaces 65, 66.
  • the retaining lug 67 can be designed as a protruding nose and engage in a retaining lug receiving opening 68 embodied in the same way.
  • FIG. 7 a further possible and possibly independent embodiment of the tool unit 12 is shown, with the same reference numerals or component designations for the same parts as in the preceding Figs. 1 to 6 be used. To avoid unnecessary repetition, please refer to the detailed description in the preceding section Figs. 1 to 6 pointed out or referred to.
  • the receiving cage 42 is again shown with its two receiving cage parts 43, 44.
  • the spacer element 58 and the die 53 can be accommodated in the accommodating space 52 formed in the second accommodating cage part 44.
  • a corresponding alignment and adjustment of these two parts can take place analogously by means of the centering pin 61, as has already been described above.
  • the inlet-side tool element 49 with its expansion channel 50 arranged therein is supported with its outlet-side end face on the second receiving cage part 44.
  • a centering arrangement 69 with interacting centering elements 70, 71 is arranged or provided on the end faces 46, 47 of the two receiving cage parts 43, 44 facing one another. An even more precise mutual alignment of the two receiving cage parts 43, 44 to be connected to one another can thus be achieved.
  • the inlet-side tool element 49 has on its outer circumference a projection 72 which protrudes or protrudes beyond the outer contour.
  • the projection 72 can be arranged or provided as a circumferential flange-like extension or only in certain areas over the circumference.
  • the concave end face facing the friction wheel 4 must be reworked.
  • the overall length of the tool unit 12 described above is thus shortened.
  • a projection end face 73 facing the friction wheel 4 must also be reworked by a corresponding amount.
  • the concave tool element surface facing the friction wheel 4 is displaced with the beginning of the expansion channel 50 to the predetermined nominal dimension of the longitudinal extension.
  • an additional further spacer element 58 with a corresponding thickness is to be inserted into the receiving space 52. This in turn ensures a continuous, tight contact starting from the tool element 49, the die 53 and the spacer element or elements 58 on the support surface 56 of the receiving space 52.
  • the exemplary embodiments show possible design variants of the extrusion machine 1, its tool holding device 6 with the tool unit 12 received and supported therein, as well as the drive unit 9 for the friction wheel 4, whereby it should be noted at this point that the invention is not limited to the specifically shown design variants, but rather Various combinations of the individual design variants with one another are also possible and this possibility of variation is within the ability of the person skilled in the art working in this technical field due to the teaching on technical action through the present invention.
  • All information on value ranges in the objective description should be understood to include any and all sub-ranges, e.g.
  • the indication 1 to 10 is to be understood in such a way that all sub-areas, starting from the lower limit 1 and the upper limit 10, are included, i.e. all subranges start 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Extrusion Of Metal (AREA)
  • Forging (AREA)
  • Automatic Assembly (AREA)

Claims (7)

  1. Unité d'outil (12) pour une machine d'extrusion (1) pour la fabrication en continu de profilés (2) à partir d'un produit à extruder déformable (3), comprenant
    - un élément de raclage (51), disposé côté entrée, pour le produit à extruder déformable (3),
    - au moins un élément d'outil (49) disposé côté entrée, avec un canal d'expansion (50) logeant le produit à extruder (3) raclé,
    - une matrice (53) avec un canal de formage (54) pour le formage du profilé (2) à fabriquer, cette matrice (53) étant disposée, dans la direction de passage du produit à extruder (3), en aval de l'élément d'outil (49) disposé côté entrée, et le canal d'expansion (50) définit, avec le canal de formage (54), un axe de profilé (55) pour le profilé (2) à fabriquer,
    caractérisée en ce que
    - l'unité d'outil (12) comprend une cage de logement (42) qui comprend une première partie de cage de logement (43), disposée côté entrée, et une deuxième partie de cage de logement (44), disposée côté sortie, dans laquelle les deux parties de cage de logement (43, 44) sont reliées entre elles par l'intermédiaire de moyens de liaison (45),
    - dans la première partie de cage de logement (43), est réalisé un canal de logement (48) qui la traverse dans la direction de passage du produit à extruder (3), au moins un élément d'outil (49), disposé côté entrée, étant logé dans ce canal de logement (48),
    - dans la deuxième partie de cage de logement (44), est réalisé un espace de logement (52) orienté vers la première partie de cage de logement (43) et ouvert vers celui-ci, dans lequel au moins la matrice (53) est logée et est appuyée contre une surface d'appui (56) délimitant, au moins à certains endroits, côté sortie, l'espace de logement (52),
    - aussi bien dans l'élément d'outil (49) disposé côté entrée que dans la première partie de cage de logement (43), est réalisé une rainure de logement commune (62), avec au moins une surface de fond de rainure (63, 64), l'élément de raclage (51) étant inséré de manière lâche dans cette rainure de logement (62) et appuyé contre l'au moins une surface de fond de rainure (63, 64) et
    - dans l'élément d'outil (49) disposé côté entrée, est réalisée une première surface de fond de rainure (63) et, dans la première partie de cage de logement (43), est réalisée une deuxième surface de fond de rainure (64), dans lequel les deux surfaces de fond de rainure (63, 64) sont réalisées de manière à converger l'une vers l'autre en direction de la deuxième partie de cage de logement (44) disposée côté sortie, dans lequel l'élément de raclage (51) comprend des première et deuxième surfaces d'appui (65, 66) s'étendant en sens inverse de celles-ci.
  2. Unité d'outil (12) selon la revendication 1, caractérisée en ce que, dans l'élément de raclage (51), sur sa portion d'extrémité orientée vers la deuxième partie de cage de logement (44) et réalisée entre les deux surfaces d'appui (65, 66), est réalisé un embout de maintien (67) qui s'emboîte dans une ouverture de logement d'embout de maintien (68) réalisé de manière inversée par rapport à celui-ci.
  3. Unité d'outil (12) selon l'une des revendications précédentes, caractérisée en ce que l'élément d'outil (49) disposé côté entrée ainsi que le canal de logement (48) réalisé dans la première partie de cage de logement (43) présentent entre eux, vus dans la direction de la périphérie autour de l'axe du profilé (55), une géométrie périphérique interagissant par complémentarité de forme.
  4. Unité d'outil (12) selon l'une des revendications précédentes, caractérisée en ce que la matrice (53) est logée de façon à être guidée, dans le canal de logement (52) réalisé dans la deuxième partie de cage de logement (44), dans la direction axiale par rapport à l'axe de profilé (55).
  5. Unité d'outil (12) selon l'une des revendications précédentes, caractérisée en ce que, entre la matrice (53) et la surface d'appui (56) délimitant, côté sortie, l'espace de logement (52), est disposé au moins un élément d'écartement (58).
  6. Unité d'outil (12) selon l'une des revendications précédentes, caractérisée en ce que, sur des surfaces frontales (46, 47), orientées l'une vers l'autre, des deux parties de cage de logement (43, 44), est disposé un dispositif de centrage (69) avec des éléments de cintrage (70, 71) qui interagissent entre eux.
  7. Unité d'outil (12) selon l'une des revendications précédentes, caractérisée en ce que la cage de logement (42) comprend, à son extrémité côté sortie, une première surface d'appui (59) qui est orientée, par rapport à l'axe du profilé (55), dans un plan perpendiculaire à celui-ci et comprend, sur son côté inférieur se trouvant dans la position d'utilisation, une deuxième surface d'appui (60) disposée à un certain angle, plus particulièrement perpendiculairement, par rapport à la première surface d'appui (59).
EP18179253.2A 2013-11-18 2014-11-17 Unité d'outil pour une machine d'extrusion destiné à la fabrication en continu d'un profilé d'une matière à extruder déformable Active EP3409391B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18179253T PL3409391T3 (pl) 2013-11-18 2014-11-17 Zespół narzędziowy do wytłaczarki do ciągłego wytwarzania profilu z odkształcalnego materiału poddawanego wytłaczaniu

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA50765/2013A AT515164B1 (de) 2013-11-18 2013-11-18 Werkzeugeinheit, Strangpressmaschine sowie Verfahren zum Wechseln eines Reibrades
EP14830369.6A EP3071346B1 (fr) 2013-11-18 2014-11-17 Presse a extrusion pour la fabrication continue de profiles a partir d'un materiau extrudable
PCT/AT2014/050274 WO2015070274A2 (fr) 2013-11-18 2014-11-17 Unité d'outil, extrudeuse et procédé de remplacement d'une roue à friction

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP14830369.6A Division EP3071346B1 (fr) 2013-11-18 2014-11-17 Presse a extrusion pour la fabrication continue de profiles a partir d'un materiau extrudable

Publications (3)

Publication Number Publication Date
EP3409391A2 EP3409391A2 (fr) 2018-12-05
EP3409391A3 EP3409391A3 (fr) 2019-02-20
EP3409391B1 true EP3409391B1 (fr) 2020-12-23

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ID=52394803

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Application Number Title Priority Date Filing Date
EP14830369.6A Active EP3071346B1 (fr) 2013-11-18 2014-11-17 Presse a extrusion pour la fabrication continue de profiles a partir d'un materiau extrudable
EP18179253.2A Active EP3409391B1 (fr) 2013-11-18 2014-11-17 Unité d'outil pour une machine d'extrusion destiné à la fabrication en continu d'un profilé d'une matière à extruder déformable

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EP14830369.6A Active EP3071346B1 (fr) 2013-11-18 2014-11-17 Presse a extrusion pour la fabrication continue de profiles a partir d'un materiau extrudable

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US (1) US10376939B2 (fr)
EP (2) EP3071346B1 (fr)
AT (1) AT515164B1 (fr)
PL (2) PL3071346T3 (fr)
WO (1) WO2015070274A2 (fr)

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US10300647B2 (en) 2015-12-08 2019-05-28 iMFLUX Inc. System and method for continuous injection molding
US9937647B2 (en) 2015-12-08 2018-04-10 iMFLUX Inc. Co-injection with continuous injection molding
AT518237B1 (de) * 2016-01-15 2019-12-15 Asmag Holding Gmbh Reibradeinheit sowie Strangpressmaschine mit einer derartigen Reibradeinheit
CN107052070A (zh) * 2017-04-26 2017-08-18 苏州罗普斯金铝业股份有限公司 一种组配工艺
AT520033B1 (de) 2017-06-02 2022-01-15 Asmag Holding Gmbh Strangpressmaschine
AT520712B1 (de) * 2017-06-02 2019-10-15 Asmag Holding Gmbh Verfahren zur Abstandsregelung zwischen zwei Werkzeugkomponenten einer Strangpressmaschine
CN113480860B (zh) * 2021-07-22 2022-11-18 泰特耐特新材料科技有限公司 一种轮胎用钛酸盐片晶增强纤维材料及其制备方法
CN114798787B (zh) * 2022-05-13 2023-09-12 安徽金铂新材料科技有限公司 一种电机壳分流挤压装置

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Also Published As

Publication number Publication date
AT515164B1 (de) 2023-01-15
US20160361743A1 (en) 2016-12-15
EP3409391A3 (fr) 2019-02-20
EP3071346A2 (fr) 2016-09-28
WO2015070274A2 (fr) 2015-05-21
PL3409391T3 (pl) 2021-07-12
PL3071346T3 (pl) 2018-12-31
US10376939B2 (en) 2019-08-13
WO2015070274A3 (fr) 2015-09-17
EP3409391A2 (fr) 2018-12-05
EP3071346B1 (fr) 2018-06-27
AT515164A1 (de) 2015-06-15

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