EP3630383A2 - Strangpressmaschine, verfahren zur abstandsregelung sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschine - Google Patents
Strangpressmaschine, verfahren zur abstandsregelung sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschineInfo
- Publication number
- EP3630383A2 EP3630383A2 EP18740084.1A EP18740084A EP3630383A2 EP 3630383 A2 EP3630383 A2 EP 3630383A2 EP 18740084 A EP18740084 A EP 18740084A EP 3630383 A2 EP3630383 A2 EP 3630383A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- friction wheel
- drive shaft
- base frame
- unit
- 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.)
- Granted
Links
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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
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/212—Details
- B21C23/214—Devices for changing die or container
-
- 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
- B21C23/215—Devices for positioning or centering press components, e.g. die or container
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/006—Gas treatment of work, e.g. to prevent oxidation or to create surface effects
-
- 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
- B21C31/00—Control devices, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
Definitions
- Extrusion machine method for distance control and method for changing a friction wheel in an extrusion press
- the invention relates to an extrusion press for continuously producing profiles from a deformable extruded material.
- the invention further also relates to a method for adjusting the distance between two tool components of such an extrusion molding machine.
- the invention furthermore also relates to a method for changing a friction wheel of an extrusion press that is drivingly connected to a drive device.
- the extrusion press is used for the continuous production of profiles from a deformable extruded material and comprises a base frame, a friction wheel rotatable about a drive axis, a tool holding device, a locking device and a tool unit supported on the tool holding device.
- the tool holding device is mounted on a pivot axis held on the base frame and pivotable between a working position and a release position.
- the locking device holds the tool holder in its working position.
- the tool unit is further accommodated in a receiving chamber arranged in the tool holding device and comprises a stripping element arranged in a stripping region.
- Object of the present invention was to overcome the disadvantages of the prior art and to provide an extrusion molding machine and a method by means of a user is able to perform a safe and economical operation of the extrusion machine. In addition or independently of this, however, a higher quality of the profile produced should also be achievable. Furthermore, but also the Reibrad Lobby for the operator to be made easier and safer.
- the extrusion molding machine serves for the continuous production of profiles from a deformable extruded material and may comprise at least the following machine components:
- At least one friction wheel which can be rotated about a drive axis, which friction wheel is provided with at least one circumferential groove, and is in drive connection with a drive device,
- Tool holding device holds in its working position with respect to the base frame, at least one tool unit, which tool unit is supported on the tool holding device, in particular in a arranged in the tool holder receiving chamber is received, and at least one stripping with at least one stripping element for the Umzuformende extruded from the friction wheel or training, where
- the shield unit comprises at least a first nozzle and at least one second nozzle
- the at least one first nozzle and the at least one second nozzle are each designed to emit a gas which is free of gaseous oxygen, in order to minimize or prevent access of ambient air to the heated extruded material,
- the at least one first nozzle is directed onto a circumferential section of the friction wheel is, which peripheral portion is provided for contact with the supplied extruded material, and wherein
- the at least one second nozzle is arranged below the stripping region of the tool unit.
- the advantage achieved thereby is that by providing an additional shielding unit within the extrusion molding machine in that region in which the extruded material to be formed is heated to the required forming temperature by means of the friction wheel, access of oxygen, such as is present in the ambient air mi - can be minimized or completely prevented.
- a gas free of gaseous oxygen can thus be supplied in order to create an oxygen-poor or oxygen-free atmosphere in this region or machine section.
- the high initial quality of the still undeformed extruded material can also be maintained wholly or at least a very high percentage of the profile produced.
- the oxygen uptake can be greatly minimized or completely prevented, especially in an outer edge region of the profile, and an even higher quality in the production of the profiles can be achieved.
- At least one of the nozzles is arranged or formed on the tool unit. If at least one of the nozzles is arranged on the tool unit, a secure shielding effect can be achieved in that region with the highest material temperature. Furthermore, but also the supply and supply of the nozzles with the gas, in particular its wiring, can be done via the tool unit and the tool holding device simplified.
- the shield unit from further includes at least one butterfly valve, and the at least one butterfly valve of the at least one first nozzle in the region of the peripheral portion of the friction wheel and in the direction of rotation of the friction wheel, the first nozzle is arranged upstream.
- Another possible embodiment has the features that from the screen unit comprises a further nozzle arrangement, which further nozzle arrangement seen in the direction of rotation of the friction wheel is arranged downstream of at least one second nozzle.
- an additional blocking effect can also be created in the region following the wiping region in the direction of rotation of the friction wheel.
- an additional barrier curtain against the ingress of oxygen can be provided.
- the invention also relates to a further, optionally independent embodiment of an extrusion molding machine for the continuous production of profiles from a deformable extruded material.
- the extrusion molding machine may also be combined with the above-described embodiments of the extrusion molding machine and may comprise at least the following machine components:
- At least one friction wheel which can be rotated about a drive axis, which friction wheel is provided with at least one circumferential groove, and is in drive connection with a drive device,
- Tool holding device holds in its working position with respect to the base frame, at least one tool unit, which tool unit is supported on the tool holding device, in particular accommodated in a tool holder in the receiving chamber, and at least one the friction wheel facing Ab- Streif Scheme with at least one stripping element for the extruded material to be formed contains or forms from the friction wheel, wherein the tool unit is supported on its side facing away from the friction wheel with the interposition of a first sensor unit on the tool holding device, in particular on a first positioning surface of the receiving chamber.
- the advantage achieved by this is that the provision of the sensor unit for determining a compressive force transmitted by the tool unit to the tool holder and with prior knowledge of the usually required forming force, a conclusion in case of changes and deviations from this occurring errors or overloads are quickly detected can. This can be avoided, for example, with an increase in the forming force and the associated higher measured pressure force damage to the extrusion press.
- the required or existing forming force can be detected as a compressive force of the sensor unit and stored as a target value per profile geometry with lower and upper limits. For example, if the upper limit is exceeded, for example, the speed of the friction wheel can be reduced so as to again perform a proper forming operation within the prescribed limits without causing damage to the machine.
- the first sensor unit comprises a plurality, in particular four, of sensors which are arranged in a peripheral edge region of the tool unit. If a plurality of sensors are provided for forming the first sensor unit, a more uniform support and pressure determination can be made possible from the tool unit to the tool holder.
- the first sensor unit is communicatively connected to a control and / or regulating device.
- the currently measured and determined forming forces and / or pressure forces of the tool unit can be compared with predetermined forces within certain limits and operating parameters, such as the rotational speed of the friction wheel, the feed rate of the extruded material, etc., adjusted to an orderly when exceeding or falling below To ensure operation of the extrusion press.
- Another embodiment is characterized in that at least one tempering is provided, which is at least one tempering received in the receiving chamber and the sensor unit is arranged upstream in the direction of the friction wheel, wherein the at least one tempering is designed for heat dissipation from the tool unit.
- a further preferred embodiment is characterized in that the at least one tempering element forms a part of the tool unit. This can be created a compact design of the tool unit.
- the invention also relates to a method for adjusting the spacing between two tool components of an extrusion press, wherein the extrusion press is used for the continuous production of profiles from a deformable extruded material and at least the following method steps are performed:
- Wegver Wegverstellen the second tool component of the first tool component in a fall below the lower target value of the gap width or adding the second tool component in the direction of the first tool component when exceeding the upper target value of the gap width.
- a base distance value can be defined which serves as a reference for temperature-induced changes in length of the first tool component.
- further distance values are subsequently determined during the ongoing forming operation, so as to obtain a conclusion about the actual dimension of this tool component. If, furthermore, in an initial state, in which the extrusion press and the tool components have a low temperature, in particular ambient temperature, set the base gap width, the gap width can be readjusted during ongoing forming operation on the basis of the determined actual value of the gap width. In this way, collisions between relatively moving tool components of the extrusion press can be prevented or avoided.
- the first determination or determination of the first distance value may also be referred to as a calibration step so as to form a reference basis for the subsequent steps or process features. Adjustment and adjustment of the gap width can also be described as an adjustment step. Furthermore, a procedure is advantageous in which the determination of the first distance value at an initial temperature of the first tool component in a temperature range between 10 ° C and 40 ° C is performed. It can thus be ensured that the first tool component in its "cold state" has the usual dimension without temperature-related change in length.
- a further advantageous procedure is characterized in that the first tool component is formed by a friction wheel of the extrusion press.
- the first tool component is defined as a rotating component, which serves to introduce the necessary forming temperature in the extruded material to be formed.
- the second tool component is formed by a tool unit accommodated in a tool holding device and held in the tool holding device with at least one stripping element facing the at least one tool component, in particular the friction wheel.
- tool units are each formed or formed in their longitudinal extension, starting from the scraper to a distance in the direction of penetration of the manufactured profile tool end face arranged with a same longitudinal dimension.
- a clear, recurring uniform longitudinal extent of tool units can already be defined in the construction.
- the adjustment effort can be simplified by different tool units in the tool holding device, since always the stripping element is arranged in a same relative position with respect to the tool holding device.
- a procedure is advantageous in which the tool holding device is pivotally mounted about a swivel axis held on a base frame and is pivotable between a working position and a release position. This makes it easy to perform a tool change in the release position.
- a further advantageous procedure is characterized in that, when the second tool component, in particular the tool unit, is in contact with the first tool component, in particular the friction wheel, a base angle position of the tool holder relative to the base frame is determined and stored in the control and / or regulating device , As a result, a relative constantly recurring basic position of the tool holding device with respect to the base frame can be determined and used for subsequent adjustment operations and Justiervortician as a reference base.
- a desired angular position is determined and stored in the control and / or regulating device.
- the predetermined angular position of the still “cold” extrusion machine can be determined and recorded prior to commissioning of the extrusion machine for the forming process.
- Another approach is characterized by the fact that after a tool change of the second tool component, in particular the tool unit, and at standstill of the first tool component, in particular the friction wheel, the tool holding device is pivoted together with the second tool component from its release position in the direction of the working position, until the relative base angle position between the tool holding device and the base frame is achieved and while the second tool component, in particular the tool unit, is brought to bear against the first tool component, in particular the friction wheel.
- This can be used to check and check whether, given a mechanical abutment of the second tool component on the first tool component, the predetermined base angle position has been reached or not.
- a procedure is advantageous in which when conditioning the second tool component, in particular the tool unit, on the first tool component, in particular the friction wheel, before reaching the relative base angle position between the tool holder and the base frame of the control and regulating device an error handling routine is started.
- an error handling routine is started.
- a further advantageous procedure is characterized in that the second tool component is formed by a scraper device with a scraper element.
- This makes it possible to align and adjust another tool component positioned with respect to the first tool component.
- this relates to the scraper device with its scraper element.
- the scraper element is applied to the first tool component, in particular to the friction wheel, when approaching and advancing in the direction of the first tool component.
- a positioning of the scraper element can be carried out alone and so the gap setting can be performed exactly.
- the invention also relates to a further, optionally independent embodiment of an extrusion molding machine for the continuous production of profiles from a deformable extruded material.
- the extrusion molding machine can also be combined with the embodiments of the extrusion molding machine described above and can comprise at least the following machine components, which serve in particular for carrying out a friction wheel changing operation:
- a drive unit with a drive device and with a drive shaft, which drive shaft defines a drive axle;
- At least one friction wheel which can be rotated about the drive axis, which friction wheel is provided with at least one circumferential groove and is in driving connection with the drive device,
- a bearing unit with a first bearing device and with a second bearing device, wherein the bearing devices are arranged on both sides of the friction wheel, and by means of which bearing devices the drive shaft is rotatably mounted on the base frame,
- Swivel axis is mounted and about the pivot axis between a working position and a ner release position is pivotable, the tool holding device seen in the direction of passage of the profile to be produced, is arranged downstream of the friction wheel,
- a locking device which locking device holds the tool holding device locked in its working position with respect to the base frame in its locking position, - at least one tool unit, which tool unit is supported on the tool holding device, and further
- At least one cantilever arm is provided, which at least one cantilever arm is arranged or designed to extend in the direction parallel to the drive axis, a guide arrangement is provided, which guide arrangement is arranged or formed on the at least one cantilever arm,
- At least one coupling device is provided, wherein the coupling device has a coupling position and a decoupling position, and that the first bearing device is coupled to the base frame in the coupling position located in the coupling device, and further
- the first bearing device is guided at the coupling device located in the decoupling position adjustable by the guide assembly along the cantilever arm on this.
- the accessibility to the friction wheel to be changed can be substantially improved, since the entire first bearing device, together with the drive wheel, are displaced from the working position within the base frame into a change position located outside the base frame can.
- the first bearing device is completely removed from the drive shaft, whereby the friction wheel is removed from the drive shaft and arranged distanced.
- a separate arm in particular a Auslegearm, is provided with a guide arrangement, which serves for the support of the first bearing device during the relative adjustment movement.
- an associated structural unit of the base frame with the drive unit and the storage unit, in particular the displaceable first storage device can be created in the operating state.
- the second bearing device together with the drive shaft is arranged stationarily on the base frame. This can be made possible during the Reibrad Cauvorganges a flying mounting of the drive shaft on the base frame, in which still sufficient storage of the drive shaft is maintained even during the Reibrad Cauvorganges.
- Another embodiment is characterized in that the at least one extension arm extends from the base frame to the side facing away from the drive device.
- the at least one extension arm extends from the base frame to the side facing away from the drive device.
- Another possible embodiment has the features that the at least one Ausler- ger arm is arranged in the vertical direction above the drive shaft and the first bearing device is kept in a hanging arrangement on at least one cantilever arm or that a cantilever arm is disposed below the drive shaft and the first Supporting device supported on at least one cantilever arm is guided.
- a further preferred embodiment is characterized in that the at least one cantilever arm is held on the base frame. This allows a more accurate alignment and positioning of the drive shaft and the first bearing device to each other for the implementation of the Reibrad Cauvorganges be enabled.
- a further embodiment provides that the at least one friction wheel, optionally with the interposition of a driver ring, is held on the first bearing device.
- a common displacement adjustment of the friction wheel can be carried out together with the first bearing device from the base frame.
- a support assembly is provided and the support assembly comprises at least one support device, which at least one support device on at least one side facing away from the friction wheel, preferably on both sides facing away from the friction wheel, the bearing devices on the drive shaft in the axial direction is arranged positively positioned or are.
- the support device comprises at least two support elements and the at least two support elements are arranged on the outside of the drive shaft. Due to the split design of the support device can be carried out as a safe and especially with minimal space required arrangement on the drive shaft and an easy removal and disassembly.
- the support elements are formed as half shells and surround the drive shaft so.
- a plurality of groove-shaped first recesses arranged in the axial direction are provided in the drive shaft and a first support flange is formed between first recesses directly adjacent in the axial direction and the support elements have second recesses formed between them and between directly in Axially adjacent second recesses arranged in each case a second support flange is formed.
- annular groove-shaped recesses By means of the annular groove-shaped recesses, a very exact design and arrangement of the same on the drive shaft can thus be achieved.
- the support elements of opposite design engage with their second support flanges in the first recesses in the drive shaft. This allows a very precise and almost backlash-free meshing and thus a uniform power transmission can be achieved.
- the invention also relates to a method for changing a friction wheel, which friction wheel is in drive connection with a drive device and is rotatable about a drive shaft defined by a drive shaft.
- the method may include at least the following steps:
- the accessibility to the friction wheel to be changed can be substantially improved, since the entire first bearing device and also the drive wheel can be adjusted from the working position within the base frame into a change position located outside the base frame.
- the first bearing device completely deducted from the drive shaft, whereby the friction wheel is removed from the drive shaft and arranged distanced.
- a separate arm in particular an extension arm, is provided with a guide arrangement which serves for the support and support of the first bearing device during the relative adjustment movement.
- the first bearing device is held on the at least one cantilever arm in a vertical position above the drive shaft, or in which one cantilever arm is arranged below the drive shaft and the first bearing device is supported on at least one cantilever arm a boom is performed.
- the invention also relates to a further, optionally independent embodiment of an extrusion molding machine for the continuous production of profiles from a deformable extruded material.
- the extrusion press includes
- a drive unit with a drive device and with a drive shaft, which drive shaft defines a drive axle; at least one friction wheel which can be rotated about the drive axis, which friction wheel is provided with at least one circumferential groove and is in drive connection with the drive device,
- a bearing unit with a first bearing device and with a second bearing device, wherein the bearing devices are arranged on both sides of the friction wheel, and by means of which bearing devices the drive shaft is rotatably mounted on the base frame,
- a tool holding device which tool holding device is mounted on a pivot axis held on the base frame and is pivotable about the pivot axis between a working position and a release position, the distrhaltevor- direction seen in the direction of passage of the profile to be produced, downstream of the friction wheel,
- a locking device which locking device holds the tool holding device locked in its working position with respect to the base frame in its locking position, at least one tool unit, which tool unit is supported on the tool holding device,
- At least one cantilever arm is provided, which is arranged or designed to extend at least one cantilever arm in a parallel direction with respect to the drive axis,
- a guide arrangement which guide arrangement is arranged or formed on the at least one cantilever arm,
- a support arrangement is provided with a support device
- the support device is arranged on the side facing away from the friction wheel side of the second bearing device and on the side facing the drive device on the drive shaft in the axial direction positively positioned
- the support device comprises at least two support elements and the at least two support elements are arranged on the outside of the drive shaft.
- the entire first bearing device does not have to be moved away from the base frame, but that the two bearing devices can remain on the base frame for the friction wheel change.
- the support device of divided design with at least two support elements, it is thus possible to achieve a safe and, above all, minimum space requirement take place at the drive shaft and a slight removal and disassembly thereof.
- the support elements are formed as half shells and surround the drive shaft so.
- An advantageous possible embodiment is characterized in that a plurality of groove-shaped first recesses arranged in the axial direction are provided in the drive shaft and a first support flange is formed between first recesses directly adjacent in the axial direction and the support elements have second recesses of the same design and a second support flange is formed in each case between second depressions arranged directly adjacent in the axial direction.
- a very exact design and arrangement of the same on the drive shaft can thus be achieved.
- the support elements of opposite design engage with their second support flanges in the first recesses in the drive shaft. This allows a very precise and almost backlash-free meshing and thus a uniform power transmission can be achieved.
- the invention also relates to a further method for changing a friction wheel, which friction wheel is in drive connection with a drive device and is rotatable about a drive shaft defined by a drive shaft. The method may include at least the following steps:
- Reibrades held on a base frame bearing device wherein the relative displacement of the drive shaft on at least one boom along a along at least one Auslegerarm arranged or trained guide assembly is carried out in the parallel direction with respect to the drive shaft of the drive shaft at least until the friction wheel is removable from the drive shaft,
- the shared trained support device with at least two support elements, so a safe and especially with minimal space to be performed arrangement on the drive shaft and an easy removal and disassembly of the same can be done.
- the support elements are formed as half shells and surround the drive shaft so.
- the drive shaft can be released from its coupling connection with the drive unit after removal of the support device and can be pulled out in the axial direction from the second bearing device until release of the friction wheel.
- FIG. 1 shows a basic structure of an extrusion press according to the known
- FIG. 3 shows the extrusion press with a shielding device arranged in the forming area, in a side view and simplified stylized representation
- FIG. 4 shows the extrusion press with a distance control device for Spaltinstel ment between the friction wheel and the tool unit, in side view and simplified stylized representation.
- Figure 5 shows the extrusion press with a distance control device for Spaltinstel ment between the friction wheel and a scraper, in side view and simplified stylized representation.
- Fig. 6 shows another possible embodiment of an extrusion press with a device for Reibrad Circuit, in front view and highly stylized representation
- Fig. 7 shows another possible embodiment of an extrusion press with a device for Reibrad Circuit, in front view and highly stylized representation
- Fig. 8 shows another possible embodiment of an extrusion press with a
- an extrusion molding machine 1 is shown in a highly stylized representation, which is used for producing profiles 2 starting from a deformable extruded material 3.
- This extrusion molding machine 1 shown here represents a special form of extrusion presses 1, which allows a continuous production of profiles 2.
- extruded material 3 for example, a continuously supplied wire with a diameter between 5 and 30 mm of the extrusion press 1 is fed and heated there via a driven friction wheel 4 depending on umzuformendem material up to 500 ° C and above. The then doughy material is pressed by a die disposed immediately after the friction wheel 4, wherein in this section of the molding process takes place.
- This continuous process is used primarily for profiles 2 of small and medium dimensions.
- the extrusion molding machine 1 can basically comprise a base 5 and a tool holding device 6, which is pivotably or rotatably mounted on a pivot axis 7 held on the base frame 5.
- the pivoting movement is simplified with a double arrow in the region of the pivot axis 7 illustrated.
- the tool holding device 6 pivots as needed between a working position and a release position become.
- the tool holding device 6 seen in the direction of passage of the manufactured profile 2, the friction wheel 4 downstream. So here is the working position in full lines and the release position simplified indicated in dashed lines.
- the friction wheel 4 is rotatable in a known manner about a drive shaft 8 and is further with a drive device 9 only schematically indicated drive connection.
- the drive shaft 8 is formed in the present embodiment of a particular continuous drive shaft 44 and constitutes a component of a drive unit 45.
- the drive unit 45 is also shown and described in Fig. 6 with the schematically simplified base frame 5 and other machine components.
- the at least one provided friction wheel 4 also has at least one circumferential groove.
- at least one pressure roller 10 can be assigned to the one or more friction wheels 4 with which the extruded material 3 entering and / or forming the extrusion press 1 is pressed against the friction wheel or wheels 4 in the radial direction.
- the extrusion molding machine 1 further includes also a locking device 11, which is for example also pivotally 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 registered in the area of the locking device 11 schematically represents the possibility of displacement of the locking device 11.
- Fig. 1 the locking position for the tool holding device 6 is shown in solid lines.
- the illustration of their storage on the base frame 5 and the necessary adjustment mechanisms was also omitted for the sake of clarity.
- the locking device 11 may be formed by an approximately U-shaped holding frame, wherein the two retaining arms laterally on the base frame. 5 are pivotally mounted.
- a base arm connecting the two holding arms on the outside surrounds the tool holding device 6 in the locked position and prevents the tool holding device 6 from pivoting away from its working position.
- at least one tool unit 12, which is indicated only schematically here, is usually supported on the tool holding device 6, with a possible design and support of the tool unit 12 being described in more detail in one of the following figures.
- the 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 of signs of wear of the tool unit 12, can be a fairly accurate and especially readjustable
- the adjusting device 14 has a relative to the base frame 5 to adjustably trained actuator 15.
- the adjusting element 15 in turn has a footprint 16 facing the end area 13 of the tool holding device 6 and a guide surface 17 facing away from the tool holding device 6.
- the footprint 16 and the guide surface 17 are aligned wedge-shaped to each other.
- the guide surface 17 is supported on an unspecified, in particular as a sliding surface trained section of the base frame 5 from.
- the actuator 15 is further connected to an unspecified actuating mechanism and is relative to the base frame 5 in the direction of a schematically registered double arrow adjustable.
- the guide surface 17 and the formed as a sliding surface portion of the base frame 5 here have a running in the vertical or vertical direction alignment.
- the tapering wedge shape is aligned in the direction of a footprint of the extrusion press 1 and thus also in the direction of the pivot axis arranged near the bottom.
- the inclined extending footprint 16 runs from top left to right bottom, as can be seen from the side view of the extrusion press 1 can be removed.
- the tool holding device 6 has a support surface 18 on its end area 13, which is distanced from the pivot axis 7, and on a first side facing the friction wheel 4.
- a support surface 18 on its end area 13, which is distanced from the pivot axis 7, and on a first side facing the friction wheel 4.
- the locking device 11 described above furthermore has at least one pressure unit 19 with at least one pressure element 20.
- the pressure element 20 when the tool holding device 6 is in the working position, the pressure element 20 is likewise arranged on the end area 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. Furthermore, by means of the pressure unit 19, the support surface 18 of the tool holding device 6 is pressed against the footprint 16 of the actuating element 15.
- the adjusting element 15 is further supported with its guide surface 17 on the base frame 5, with a relative displacement of the adjusting element 15 relative to the base frame 5 by means of the adjusting device 14, the tool holding device 6 about its pivot axis 7 due to the wedge-shaped, in particular acute-angled, mutually aligned footprint 16th and guide surface 17 adjusted, in particular pivoted. Since the tool holding device 6 in the broadest sense corresponds to a lever or a lever arrangement, the gap formed between the tool unit 12 and the friction wheel 4 can thus also be changed in its gap width as a result of the adjustment of the adjusting element. The determination and adjustment of the gap width will be described in more detail below.
- the pressure element 20 of the pressure unit 19 is accommodated at least in regions in a pressure chamber 21 and is acted upon by a pressure medium, indicated simply by dashes and located in the pressure chamber 21.
- the pressure medium may be liquid or gaseous, wherein, especially at high pressures, a virtually incompressible liquid, such as hydraulic oil, has been found to be favorable.
- the pressure element 20 can be formed, for example, as a double-acting piston with piston rod of a cylinder-piston arrangement, with which the pressure element 20 is then pressed against the second side of the tool-holding device 6 away from the support surface 18 if it is acted on accordingly.
- a receiving chamber 22 is formed or arranged in the tool holding device 6.
- the contours of the receiving chamber 22 are shown only simplified, in which the tool unit 12 is added.
- the receiving chamber 22 has at least two angularly, in particular at right angles, mutually aligned first and second positioning surfaces 23, 24, on which the tool unit 12 is supported.
- the first positioning surface 23 is arranged on the side of the tool unit 12 facing away from the friction wheel 4.
- the receiving chamber 22 is formed open in the direction of the friction wheel 4.
- the first positioning surface 23 may be aligned approximately vertically and in the vertical direction with respect to the direction of passage of the profile 2.
- the extrusion molding machine 1 is shown in simplified form with the tool unit 12 accommodated and supported in the tool holding device 6, this optionally being able to represent an independent training.
- like reference numerals and component designations will be used for like parts as in the preceding FIG.
- the basic structure can be carried out analogously, as has already been described above.
- a first sensor unit 25 in particular a force measuring sensor or a plurality of force measuring sensors, against the first positioning surface 23.
- the first sensor unit 25 may be formed, for example, by pressure sensors, quartz sensors, load cells or the like.
- a plurality of sensors 26 are used to form the first sensor unit 25 in order to achieve a uniform and mostly symmetrical support of the tool unit 12 on the tool holding device 6 in the region of the first positioning surface 23.
- four pieces may be provided on sensors 26.
- a separate tempering 27 is arranged or formed between the tool unit 12 and the tool holding device 6, a separate tempering 27 is arranged or formed.
- the tempering element 27 may be formed, for example, as a separate cooling plate and serves to minimize or prevent a direct transfer of heat from the tool unit 12 to the first sensor unit 25.
- the tempering element 27 can also represent or form a component or assembly of the tool unit 12.
- the sensor unit 25 with its sensors 26 is further communicatively connected to a control and / or regulating device 36. This can be done by means of wires or wirelessly.
- a line connection between the sensors 26 and the control and / or regulating device 36 is indicated.
- the forming force occurring under normal operating conditions can be ascertained by determining a minimum first travel distance and converting the same to the pressure forces occurring in the process.
- the usual operating conditions are operating parameters defined by the machine manufacturer, in which the forming force occurring is determined.
- the forming force can be dependent on the supplied and intended for forming extruded material 3 and the formed therefrom profile 2. Under normal operating conditions, for example, the revolutions of the friction wheel 4 per unit time, the formed mass of extruded material 3 per unit time and other machine codes or operating parameters considered by the machine manufacturer previously determined and for the respective machine type within certain limits with a lower limit and an upper Limit value have been established.
- the extrusion molding machine 1 is in a standard operating condition. If, for example, a deviation of the determined forming force above the upper limit has been determined, this can lead to overloading of the extrusion press 1 and subsequently to damage thereof. Overloading and, associated therewith, an increase in the pressure forces that occur could occur, for example, with an increase in the number of revolutions of the friction wheel 4 per unit of time and / or an associated increased mass throughput of material to be formed per unit of time. In order to avoid overloading the extrusion press 1 and, as a consequence, damage to the same, a reduction of the number of revolutions of the friction wheel 4 per unit time or other operating parameters can take place by means of a machine control not shown in detail. This can be stored in a memory by determining and determining the constructed forming force and subsequently provide the machine manufacturer or other operator with a clear and unambiguous proof of machine overload. This is especially true when it comes to the proof of any repairs and the cause of damage.
- the extrusion molding machine 1 is shown in simplified form with the tool unit 12 accommodated and supported in the tool holding device 6, this in turn possibly being able to represent an independent embodiment.
- the same reference numerals or component designations are used as in the preceding FIGS. 1 and 2.
- the material to be formed in particular if it is pure copper or a copper alloy, is basically made free of oxygen. In the usual forming process, oxygen is taken up by the heated material from the ambient air, in particular in or under the outer skin or outer layer of the produced profile 2.
- a shielding unit 28 in the working region of the friction wheel 4 is indicated here in simplified form. So that the oxidation or oxygen alsnähme 3minimiert or be completely suppressed.
- the shielding unit 28 usually comprises a plurality of component components and extends over a peripheral portion 29 of the friction wheel 4, in which at least partially begins the heating of the Umformenden Strangpressguts 3 and continues to a stripping 30.
- the stripping region 30 is located in the tool unit 12, wherein the redirecting and stripping of the heated material takes place in a known manner from a part of the tool unit 12, in the present embodiment, by a stripping element 31. It should also be minimized in the stripping region 30 of the heated and to be formed extrusion material 3, the access of ambient air or completely prevented.
- the shield unit 28 it is provided that within the above-described range in which the material is already in a heated state, an atmosphere is produced which prevents the oxidation or oxygen uptake.
- an atmosphere is produced which prevents the oxidation or oxygen uptake.
- Tool holding device 6, in particular in the vicinity of the receiving chamber 22, are arranged or formed, a gaseous oxygen-free gas are supplied.
- This gas may also be an inert gas and be formed, for example, by nitrogen and / or noble gases.
- the noble gases include, for example, helium, neon and argon.
- protective gases such as those used in welding technology, would also be possible.
- On the presentation of supply line, shut-off devices or the like, has been omitted for the sake of clarity.
- the first nozzle 32 or the first nozzles 32 is / are facing the peripheral portion 29 of the friction wheel 4 and is located above the scraper element 31. Thus, it would also be possible to have the first nozzle 32 or the first nozzles 32 in or on the tool unit 12 to arrange or train.
- one or more second nozzles 33 may or may also be arranged or formed in this area.
- the second nozzle 33 or the second nozzle 33 is / are seen in the direction of rotation of the friction wheel 4, subsequently arranged on the peripheral portion 29 of the friction wheel 4 and can also be this turned.
- the second nozzles 33 are arranged or formed below the stripping element 31.
- the nozzles 32, 33 are preferably supplied with the same gas and can form the low-oxygen or oxygen-free atmosphere in the heated region of the extrusion material 3 to be formed with the outflowing gas.
- the shielding unit 28 in the first contact region of the extruded material 3 and thus in the supply region thereof to the friction wheel 4, comprises a shut-off flap 34 arranged there.
- the supplied gas which can also be referred to as a protective gas, supplied to the ambient pressure with a slightly higher pressure in this shielding, so as to ensure a flow away of the gas supplied.
- an access of ambient air towards the second or the second nozzle 33 situated below the wiping element 31 or the second nozzles 33 can also be minimized or completely prevented even with a gas curtain flowing out or formed by another nozzle arrangement 35.
- the gas supplied and discharged here can likewise be a gas, which has previously been described, and which is free of gaseous oxygen. But it could also be used a different gas. Depending on the directional outflow direction, ambient air could also be used.
- the nozzle or the nozzles 32, 33 and / or the further nozzle arrangement 35 have been indicated only schematically. These are in fluid communication with a supply unit, not shown, or a storage unit via a line connection.
- the extrusion molding machine 1 basically comprises several tool components, of which e.g. a first tool component, the friction wheel 4 and a second tool component can form the tool unit 12. 4, the extrusion molding machine 1 is shown in simplified form with the tool unit 12 accommodated and supported in the tool holding device 6 with the stripping element 31, wherein this in turn may optionally represent an independent embodiment.
- the same reference numerals or component designations will be used for the same parts as in the preceding FIGS. 1 to 3. To avoid unnecessary repetition, reference is made to the detailed description in the preceding FIGS. 1 to 3 or reference.
- the extrusion press 1 comprises at least the base frame 5 with the pivoting about the pivot axis 7 mounted tool holding device 6.
- the friction wheel 4 is used for friction-based heating of the Umformenden Strangpressguts 3.
- the locking device 11 serves the tool holder 6 during their working position and the operation relative to of the base frame 5, in particular the friction wheel 4, to keep positioned.
- the adjustment, adjustment and / or readjustment of a gap width of a gap between a first tool component and at least one further tool component is described in the subsequent method steps for such an extrusion molding machine 1.
- the first tool component is formed by the friction wheel 4 and the second or further tool component by the tool unit 12 received in a tool holding device 6 and positioned in the tool holding device 6 with at least the stripping element 31 facing the friction wheel 4. Therefore, specific reference will be made hereinafter to these terms.
- a first distance value between the friction wheel 4 and a distance measuring device 37 is determined or predetermined geometrically in advance. This is indicated by "a" in Fig. 4.
- the first distance value is or is stored or stored in the control and / or regulating device 36.
- the tool unit 12 approaches and advances to the still stationary friction wheel 4 until the stripping element 31 comes into abutment on the friction wheel 4, in particular in the groove bottom thereof.
- a first adjustment path the value of which corresponds to a base gap width to be set, is also stored in the control and / or regulating device 36.
- the Wegverstellen the voltage applied to the friction wheel 4 tool unit 12 takes place to the stored in the control and / or regulating device 36 first adjustment, in which case the gap between the friction wheel 4 and the tool unit 12 is formed with the base gap width or is. If this has been done correctly, the extrusion molding machine 1 can be put into operation and the forming process of the extrusion material 3 to the profile 2 can be carried out. Due to the forming process and the resulting frictional heat there are temperature-related dimensional changes of components of the extrusion machine 1, in particular the friction wheel 4.
- the distance measuring device 37 is a recurrent determination and determination of further distance values between the friction wheel 4 and the distance measuring device 37th für die
- the temperature increase of the friction wheel 4 is greater in its diameter than in its "cold" initial state, so that a distance difference value can be formed from the first distance value minus one of the further distance values Gap width between the friction wheel 4 and the tool unit 12.
- the distance difference value is subtracted from the value of the base gap width, which value corresponds to that of the first adjustment path, and so the actual value of a gap width between the friction wheel 4 and the tool eugmaschine 12, in particular their stripping 31, calculated.
- a range of values can be or is stored with a lower nominal value of the gap width and an upper nominal value of the gap width. It is now checked based on the calculated actual value of the gap width, whether the calculated actual value within the limits with the lower setpoint and the upper setpoint of the value range.
- a Wegverstellen the tool unit 12 to perform a deposited in the control and / or regulating device 36 correction value on the side facing away from the friction wheel 4 or direction. If the upper setpoint value of the gap width is exceeded, the tool unit 12 is moved in the direction of the friction wheel 4.
- the displacement adjustment or the additional adjustment of the tool holding device 6 together with the tool unit 12 can be effected or carried out by means of the adjusting device 14 described in the introduction in cooperation with the locking device 11 and the printing unit 19. These adjustment movements can also be referred to as tracking steps.
- This adjustment and readjustment can be done during operation under full load. This has the advantage that not the machine must be turned off, but directly and immediately a gap width change can be performed. This can be done with the previously described, designed as an adjusting wedge actuator 15 of the adjusting device 14.
- the determination of the first distance value should be carried out in the so-called "cold state" of the friction wheel 4, in particular at a starting temperature thereof in a temperature range between 10 ° C and 40 ° C.
- the geometry, in particular the or the diameter of the friction wheel 4 is known from the design and manufacture, which serve as a measuring surface for the distance determination. This can be done in an analogous manner, the determination of the actual value of the gap width between the two tool components on the thermal increase in the diameter dimension.
- all tool units 12 used in the present extrusion press 1, in particular in their tool holding device 6, are each in their longitudinal extent starting from the stripping element 31 up to a direction of passage of the manufactured profile 2 seen from this distanced arranged factory generating surface 38 formed with a same longitudinal dimension.
- the tool end face 38 is located on the side facing away from the friction wheel 4 and is optionally supported, with the interposition of the sensor unit 25 not shown here, in the area of the first positioning face 23 on the tool holding device 6.
- the respective relative angular position of the tool holding device 6 with respect to the physical pivot axis 7 and / or with respect to the base frame 5 is determined and determined.
- the base angle position described above and deposited can be used. If it is e.g. an object between the first positioning surface 23 and the tool end surface 38 of the tool unit 12 protrudes further in the direction of the friction wheel 4 than if the object were not present.
- the tool holding device 6 together with the tool unit 12 are pivoted from its release position in the direction of the working position until the relative base angle position between the tool holding device 6 and the base frame 5 or the fixed pivot axis 7 is achieved and the second tool component, in particular the tool unit 12, is brought to bear against the first tool component, in particular the friction wheel 4.
- the object described above is located between the tool unit 12 and the tool holding device 6 when the second tool component, in particular the tool unit 12, rests against the first tool component, in particular the friction wheel 4, before reaching the relative base angle position between the tool holder 6 and the base frame (5) or fixed pivot axis 7, an error handling routine is started by the control and regulation device 36.
- the machine operator can be signaled before commissioning that no proper positioning is given and the relative position of the tool unit 12 in the receiving chamber 22 to check and correct if necessary. This damage to the extrusion press 1 can be avoided.
- the distance measuring device 37 which may be formed by a wide variety of sensors or measuring means, and the sensor or sensors 39 may together form a further sensor unit.
- the extrusion molding machine 1 is shown in simplified form with the tool unit 12 accommodated and supported in the tool holding device 6 with the stripping element 31, wherein this in turn may optionally represent an independent embodiment.
- the same reference numerals or component drawings will be used for the same parts as in the preceding FIGS. 1 to 4. To avoid unnecessary repetition, reference is made to the detailed description in the preceding Figs. 1 to 4 or reference.
- the extrusion molding machine 1 comprises at least the base frame 5 with the tool holding device 6 pivotably mounted about the pivoting axis 7.
- the friction wheel 4 serves to heat up the extrusion material 3 to be formed by friction.
- the locking device 11 serves to hold the tool holding device 6 during its working position and Operation relative to the base frame 5, in particular the friction wheel 4 to keep positioned.
- a scraping device 40 is arranged downstream of the tool unit 12 in the direction of rotation of the friction wheel 4.
- the scraper device 40 comprises at least one scraper element 41 which is adjustable relative to the friction wheel 4 designed as a first tool component.
- the at least one scraper element 41 is likewise to be positioned with a corresponding gap relative to the friction wheel 4 and readjusted in the current forming operation due to thermal change in length.
- the scraper element 41 is held or guided in a base housing 42 and can be adjusted by means of an actuator 43 in its relative position and position with respect to the first tool component.
- the first tool component of the friction wheel 4 and the second or further tool component of the scraper device 40 with the scraper element 41 is formed. Therefore, specific reference will be made hereinafter to these terms.
- the illustration of adjusting means for the scraping device 40 and / or the at least one scraper element 41 has been omitted for the sake of clarity.
- a first distance value between the friction wheel 4 and the distance measuring device 37 is determined or predetermined geometrically beforehand. This is registered with "a" in Fig. 5.
- the first distance value is or is stored or stored in the control and / or regulating device 36.
- the scraper device 40 and / or the scraper element 41 are approached and delivered to the device Still standing friction wheel 4 until the scraper element 41 on the friction wheel 4, in particular in the groove bottom, comes to rest in the control and / or regulating device 36 is further deposited a first adjustment whose value corresponds to a base gap width to be adjusted
- the distance measuring device 37 is here or arranged or received in the base housing 42. It is also possible for this distance measuring device 37 described and shown here also for the previously described in the Fig. 4 to use described distance measurement. Therefore, the same reference numeral 37 was used for the distance measuring device 37.
- the path adjustment of the scraping device 40 resting on the friction wheel 4 and / or of the scraper element 41 takes place around the first adjustment path stored in the control and / or regulating device 36, in which case the gap between the friction wheel 4 and the scraper device 40 and / or the scraper element 41 is formed with the base gap width or is. If this is done correctly, the extrusion molding machine 1 can be put into operation and the forming process of the extruded material 3 to profile 2 can be performed. Due to the forming process and the resulting frictional heat, temperature-related dimensional changes of components of the extrusion press 1, in particular of the friction wheel 4, occur.
- the distance measuring device 37 By means of the distance measuring device 37 there is a recurring determination and determination of further distance values between the friction wheel 4 and the distance measuring device 37.
- the increase in temperature of the friction wheel 4 makes it larger in diameter than in its "cold" initial state.
- a calculation of an actual value of a gap width between the friction wheel 4 and the scraping device 40 and / or the scraper element 41 can be carried out Basic gap width, which value corresponds to that of the first adjustment path, subtracting the distance difference value and thus calculating the actual value of a gap width between the friction wheel 4 and the scraping device 40, in particular its scraper element 41.
- the control and / or regulation Device 36 can or is in the control and / or regulation Device 36 a range of values with a deposited lower setpoint value of the gap width and an upper setpoint value of the gap width. It is now checked on the basis of the calculated actual value of the gap width whether the calculated actual value lies within the limits with the lower setpoint and the upper setpoint of the value range.
- a Wegverstellen the tool unit 12 When falling below the lower target value of the gap width is a Wegverstellen the tool unit 12 to perform a deposited in the control and / or regulating device 36 correction value on the side facing away from the friction wheel 4 or direction. If the upper setpoint value of the gap width is exceeded, then the scraper device 40 and / or the scraper element 41 can be moved or adjusted in the direction of the scraper element To carry out friction wheel 4. These adjustment movements can also be referred to as tracking steps.
- the determination of the first distance value should also here in the so-called "cold state" of the friction wheel 4, in particular at a starting temperature thereof in a temperature range between 10 ° C and 40 ° C are performed.
- the extrusion molding machine 1 with its base frame 5 and the drive unit 45 for the friction wheel 4 in a front view is shown greatly simplified in a simplified manner.
- the locking device 11 and the tool unit 12 has been omitted for the sake of clarity, wherein the extrusion molding machine 1 may be formed similar, as has been previously described in FIGS. 1 to 5. It is also possible to use individual or all of the machine components described above in this extrusion molding machine 1.
- the drive unit 45 comprises at least the drive device 9, the drive shaft 44, of which the drive shaft 8 is defined, and optionally a clutch 46.
- the at least one friction wheel 4 is in drive connection with the drive device 9.
- a driver ring 47 can be provided in each case, by means of which or which the drive torque can be transmitted from the drive device 9 to the friction wheel 4.
- the drive shaft 44 is rotatably mounted on the base frame 5 by means of a bearing unit 48 comprising a first bearing device 49 and a second bearing device 50.
- the bearing devices 49, 50 can not only their bearing assemblies, but also housing, guide means, fasteners or the like include and each represent its own component.
- the at least one friction wheel 4 may optionally held with the interposition of a driver ring 47 on the first bearing device 49 be.
- a coupling device 51 is provided between the first bearing device 49 and the base frame 5.
- the coupling device 51 could also be referred to as a coupling device and serves to releasably couple or couple the entire first bearing device 49 to the base frame 5.
- the coupling device 51 from its coupling position in a decoupling position can be adjusted.
- actuating means for actuating the coupling device 51 such as cylinders, actuators or the like, has also been omitted for the sake of clarity.
- the first bearing device 49 is shown in two different positions.
- the coupling position is shown on the base frame 5, in which also the drive shaft 44 is mounted on the base frame 5 by means of the first bearing device 49.
- the decoupled and away from the base frame 5 or wegverlagerte position is shown in dash-dotted lines.
- One way of guided adjustment is described below.
- the extrusion molding machine 1 also comprises at least one extension arm 52, which is arranged or designed to extend in a parallel direction with respect to the drive axle 8.
- the at least one extension arm 52 is arranged in the vertical direction above the drive shaft 44 and at a distance therefrom.
- the boom arm 52 could also be arranged on the bottom side and thus below the drive shaft 44. It may be the boom 52 also connected to the base frame 5 or attached thereto.
- the extension arm 52 may further be arranged extending from the base frame 5 to the side facing away from the drive device 9 side or formed.
- the first bearing device 49 may be kept in a hanging arrangement on at least one boom 52.
- a guide arrangement 53 can be provided which is arranged or formed on the at least one extension arm 52.
- the first bearing device 49 can be adjustably guided along the extension arm 52 by means of the guide arrangement 53, whereby the entire first bearing device 49, together with the friction wheel 4 and optionally the driving rings 47, are moved away from the base frame 5 ,
- the second bearing device 50 together with the drive shaft 44 mounted thereon remains fixed on the base frame 5 during a Reibrad Cauvorgangs to be performed.
- the method for changing the friction wheel 4 may include at least those steps: decoupling the coupling device (51) located between the first bearing device 49 and the base frame 5 of the extrusion molding machine 1 and thereby adjusting from its coupling position to its decoupling position,
- FIG. 7 a variant of the embodiment of the extrusion molding machine 1 shown and described in FIG. 6 is described in greater detail.
- the basic structure of the extrusion molding machine 1 corresponds to that, as has already been described in detail in FIG. 6. Therefore, to avoid unnecessary repetition, the detailed description referred to in the preceding Figs. 1 to 6 and incorporated by reference. Likewise, the same reference numerals or component designations as in the preceding FIGS. 1 to 6 are used again for the same parts.
- the cantilever arm 52 can be viewed in the vertical direction, also arranged below the drive shaft 44 and extends in parallel alignment with respect to the drive shaft 8 defined by the drive shaft 44.
- the cantilever arm 52 preferably supported on a unspecified footprint, such as a hall floor or specially designed for a foundation surface, or stored on this. It may be the boom 52 also connected to the base frame 5 or attached thereto.
- the extension arm 52 may further be arranged extending from the base frame 5 to the side facing away from the drive device 9 side or formed.
- the first storage device 49 of the storage unit 48 is then not guided in a hanging position, but in a standing or upstanding from the bottom side position by means of the guide assembly 53 on the at least one cantilever arm 52.
- the entire first bearing device 49 together with the friction wheel 4 far away from the drive shaft 44 wegver that easy access to the friction wheel 4 is made possible.
- a support assembly 55 For supporting in the axial direction of at least one of the bearing devices 49, 50 on the drive shaft 44, a support assembly 55 is provided here.
- the support arrangement 55 comprises a first support device 56 and a second support device 57 on the sides of the two bearing devices 49, 50 facing away from each other.
- the support devices 56, 57 can be of similar construction.
- Each of the support devices 56, 57 comprises at least two support elements 58.
- the support elements 58 are segment-shaped and surround or surround the drive shaft 44 on the outside.
- the support elements 58 are positively supported on the drive shaft 44 in the axial direction. If two pieces of support elements 58 are provided, these can be designed or designated as half shells.
- Tensioning device 54 which is e.g. can be designed as a hydraulic motor, an axial pressure force is built up by this. Due to the two-sided arrangement of the support devices 56, 57 and located in the axial direction within the support devices 56, 57 clamping device 54, an axial tensile force is introduced into the drive shaft 44 during clamping or clamping operation. The tensioning device 54 is pushed in this arrangement on the drive shaft 44 and mounted longitudinally displaceable on this. FIG. 9 shows an enlarged detail of the support arrangement 55 on a section of the drive shaft 44.
- the compressive force acting on the tensioning device 54 between the two support devices 56, 57 has to be removed.
- the support members 58 of the first support 56 are disengaged from the drive shaft 44.
- the operating position or the coupling position of the first bearing device 49 is shown in dashed lines in order to represent the clamping device 54 and the first support device 56 located thereon on the drive shaft 44 in a clearer manner.
- the decoupled and wegverstellerte from the base frame 5 or wegverlagerte position of the first bearing device 49 is shown in dash-dotted lines, but with the friction wheel 4, the Mit Sprinte 47, the tensioning device 54 and the first support 56 in full Lines are shown.
- the support elements 58 of the first support device 56 are shown in a mutually distanced position.
- the Wegverstellen of the drive shaft 8 can be done for example by means of a pivoting operation or taking place in the radial direction sliding movement.
- FIG. 8 describes in more detail a variant of the embodiment of the extrusion molding machine 1 shown and described in FIGS. 6 and 7.
- the basic structure of the extrusion molding machine 1 corresponds to that, as has already been described in detail in FIGS. 6 and 7. Therefore, in order to avoid unnecessary repetition, reference is made to the detailed description in the preceding Figs. 1 to 7 and incorporated by reference. Likewise, the same reference numerals or component designations as in the preceding FIGS. 1 to 7 are used again for the same parts.
- the drive shaft 44 is pulled out of the second bearing device 50 so far on the side facing away from the drive device 9 from this side in the axial direction, that the friction wheel 4 and the or the driver rings 47 are no longer located on the drive shaft 44.
- a support device 56 is provided on the side of the second bearing device 50 facing away from the friction wheel 4 only in the region of the second bearing device 50.
- the tensioning device 54 is arranged on the side remote from the second bearing device 50 side of the first bearing device 49 on the drive shaft 44 and held directly fixed to this in the axial direction. This can e.g. by means of a threaded arrangement made positive.
- FIG. 9 shows a possible embodiment of one of the support elements 58 of one of the support devices 56, 57 in axial section and in an enlarged view.
- the one support member 58 is additionally distanced in the radial direction of the drive shaft 44 and thus out of engagement with this.
- the engagement position between the support member 58 and the drive shaft 44 is indicated in dashed lines.
- the mutual mutual support between the support elements 58 and the drive shaft 44 takes place in the axial direction by means of a positive holding connection.
- a multiplicity of groove-shaped first indentations 60 which are arranged one behind the other in the axial direction and spaced from one another, are provided in the drive shaft 44, between each of which first Support flanges 61 are formed.
- the groove-shaped depressions 60 can be formed for example by means of so-called punctures in the drive shaft 44.
- the support members 58 are provided at their inner surfaces facing the drive shaft 44 with counter-shaped groove-shaped second recesses 62 and second support flanges 63 formed therebetween, respectively.
- the second support flanges 63 engage almost free of play in the first groove-shaped recesses 60 and vice versa.
- the support elements 58 viewed in axial section, have a conically or conically tapered cross-section starting from the force introduction side, as indicated by arrow "F.” This ensures that between the respectively engaged first and second support flanges 61, 63 In the case of a thread arrangement, only the first threads are usually load-bearing, which leads to overloading and damage to the threads.
- Tool holding device 36 Control and / or regulating device
- Control element 45 drive unit
- Printing unit 49 first storage device
- Receiving chamber 52 cantilever arm
- Shielding unit 58 supporting element
- Stripping area 60 first recess first support flange second recess second support flange
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Extrusion Of Metal (AREA)
- Automatic Assembly (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22204756.5A EP4169635A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer abschirmeinheit |
PL18740084T PL3630383T3 (pl) | 2017-06-02 | 2018-06-01 | Sposób regulacji odstępu w wytłaczarce |
EP21178505.0A EP3912742B1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschine |
EP22204757.3A EP4151327A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer sensoreinheit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50469/2017A AT520033B1 (de) | 2017-06-02 | 2017-06-02 | Strangpressmaschine |
PCT/AT2018/060114 WO2018218270A2 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine, verfahren zur abstandsregelung sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschine |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22204756.5A Division EP4169635A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer abschirmeinheit |
EP21178505.0A Division EP3912742B1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschine |
EP21178505.0A Division-Into EP3912742B1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschine |
EP22204757.3A Division EP4151327A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer sensoreinheit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3630383A2 true EP3630383A2 (de) | 2020-04-08 |
EP3630383B1 EP3630383B1 (de) | 2021-07-21 |
Family
ID=62904204
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18740084.1A Active EP3630383B1 (de) | 2017-06-02 | 2018-06-01 | Verfahren zur abstandsregelung bei einer strangpressmaschine |
EP21178505.0A Active EP3912742B1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschine |
EP22204757.3A Pending EP4151327A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer sensoreinheit |
EP22204756.5A Pending EP4169635A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer abschirmeinheit |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21178505.0A Active EP3912742B1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine sowie verfahren zum wechseln eines reibrades bei einer strangpressmaschine |
EP22204757.3A Pending EP4151327A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer sensoreinheit |
EP22204756.5A Pending EP4169635A1 (de) | 2017-06-02 | 2018-06-01 | Strangpressmaschine mit einer abschirmeinheit |
Country Status (5)
Country | Link |
---|---|
US (4) | US11446721B2 (de) |
EP (4) | EP3630383B1 (de) |
AT (1) | AT520033B1 (de) |
PL (2) | PL3630383T3 (de) |
WO (1) | WO2018218270A2 (de) |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1452372C3 (de) * | 1965-09-14 | 1974-04-11 | Lindemann Maschinenfabrik Gmbh, 4000 Duesseldorf | Matrizenwechse!vorrichtung für zwei Matrizen an einer Metallstrangpresse |
US4523444A (en) * | 1982-12-13 | 1985-06-18 | Fuchs Jr Francis J | Methods of and apparatus for controlling the gap between a mandrel and die during extrusion |
JPH02235515A (ja) * | 1989-03-06 | 1990-09-18 | Sumitomo Electric Ind Ltd | 回転ホイール型押出機における線材の供給法 |
GB8915769D0 (en) | 1989-07-10 | 1989-08-31 | Bwe Ltd | Continuous extrusion apparatus |
GB9006854D0 (en) * | 1990-03-24 | 1990-05-23 | Atomic Energy Authority Uk | Improvements in extrusion |
GB9326050D0 (en) * | 1993-12-21 | 1994-02-23 | Holton Machinery Ltd | Continuous extrusion |
GB9414322D0 (en) | 1994-07-15 | 1994-09-07 | Bwe Ltd | Continuous extrusion apparatus |
FI103262B1 (fi) | 1996-03-01 | 1999-05-31 | Outokumpu Copper Products Oy | Tapa metallisen materiaalin jatkuvan pursotuksen suorittamiseksi |
JP3201293B2 (ja) | 1996-12-11 | 2001-08-20 | 日立電線株式会社 | 金属材の製造方法及び装置 |
IT1290932B1 (it) | 1997-02-14 | 1998-12-14 | Voest Alpine Ind Anlagen | Procedimento e dispositivo per impedire il contatto di ossigeno con una massa metallica fusa. |
US6011376A (en) * | 1998-03-13 | 2000-01-04 | Cincinnati Milacron Inc. | Method and apparatus for injection molding machine control |
GB9825106D0 (en) * | 1998-11-16 | 1999-01-13 | Holton Machinery Ltd | Continuous extrusion using active positioning |
GB2386334B (en) | 2002-02-14 | 2004-02-18 | Holton Machinery Ltd | Continuous extrusion using dynamic shoe positioning |
KR100862792B1 (ko) | 2002-08-30 | 2008-10-13 | 주식회사 포스코 | 쌍롤형 박판주조기의 고온산화 방지장치 및 방법 |
GB0304114D0 (en) | 2003-02-22 | 2003-03-26 | Bwe Ltd | Continuous extrusion apparatus |
DE102007033205A1 (de) | 2006-08-03 | 2008-02-07 | Sieber Forming Solutions Gmbh | Verfahren und Formwerkzeug zur Herstellung von metallischen Werkstücken durch Kalt- oder Halbwarmumformen |
US9468960B2 (en) | 2011-03-10 | 2016-10-18 | Commonwealth Scientific And Industrial Research Organisation | Extrusion of high temperature formable non-ferrous metals |
US20150151343A1 (en) * | 2012-07-30 | 2015-06-04 | Meltech Cre Limited | Continuous extrusion apparatus |
ITMI20121688A1 (it) | 2012-10-09 | 2014-04-10 | Bruno Presezzi Spa | Dispositivo di iniezione, particolarmente per procedimenti di estrusione di alluminio. |
AT515164B1 (de) * | 2013-11-18 | 2023-01-15 | Asmag Holding Gmbh | Werkzeugeinheit, Strangpressmaschine sowie Verfahren zum Wechseln eines Reibrades |
-
2017
- 2017-06-02 AT ATA50469/2017A patent/AT520033B1/de active
-
2018
- 2018-06-01 EP EP18740084.1A patent/EP3630383B1/de active Active
- 2018-06-01 WO PCT/AT2018/060114 patent/WO2018218270A2/de active Application Filing
- 2018-06-01 EP EP21178505.0A patent/EP3912742B1/de active Active
- 2018-06-01 PL PL18740084T patent/PL3630383T3/pl unknown
- 2018-06-01 EP EP22204757.3A patent/EP4151327A1/de active Pending
- 2018-06-01 PL PL21178505.0T patent/PL3912742T3/pl unknown
- 2018-06-01 EP EP22204756.5A patent/EP4169635A1/de active Pending
- 2018-06-01 US US16/618,216 patent/US11446721B2/en active Active
-
2022
- 2022-06-27 US US17/850,058 patent/US20220324005A1/en active Pending
- 2022-06-27 US US17/850,057 patent/US11679427B2/en active Active
- 2022-06-27 US US17/850,061 patent/US11794229B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20220324006A1 (en) | 2022-10-13 |
PL3912742T3 (pl) | 2024-01-29 |
EP3912742A2 (de) | 2021-11-24 |
WO2018218270A2 (de) | 2018-12-06 |
US20200130036A1 (en) | 2020-04-30 |
EP4169635A1 (de) | 2023-04-26 |
US11679427B2 (en) | 2023-06-20 |
AT520033B1 (de) | 2022-01-15 |
US11794229B2 (en) | 2023-10-24 |
PL3630383T3 (pl) | 2022-03-07 |
AT520033A1 (de) | 2018-12-15 |
WO2018218270A3 (de) | 2019-03-07 |
US20220324004A1 (en) | 2022-10-13 |
EP3630383B1 (de) | 2021-07-21 |
US20220324005A1 (en) | 2022-10-13 |
EP4151327A1 (de) | 2023-03-22 |
EP3912742A3 (de) | 2022-03-02 |
US11446721B2 (en) | 2022-09-20 |
EP3912742B1 (de) | 2023-07-26 |
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