EP3028782B1 - Systeme et procede de changement d'outil - Google Patents

Systeme et procede de changement d'outil Download PDF

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Publication number
EP3028782B1
EP3028782B1 EP15200576.5A EP15200576A EP3028782B1 EP 3028782 B1 EP3028782 B1 EP 3028782B1 EP 15200576 A EP15200576 A EP 15200576A EP 3028782 B1 EP3028782 B1 EP 3028782B1
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EP
European Patent Office
Prior art keywords
tool
changing
tools
frame
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15200576.5A
Other languages
German (de)
English (en)
Other versions
EP3028782A1 (fr
Inventor
Jürgen Bienik
Ralf Rode
Markus Dr. Schaprian
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.)
SMS Group GmbH
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SMS Group GmbH
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Filing date
Publication date
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Publication of EP3028782A1 publication Critical patent/EP3028782A1/fr
Application granted granted Critical
Publication of EP3028782B1 publication Critical patent/EP3028782B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/03—Sleeved rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/103—Manipulators or carriages therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/106—Vertical displacement of rolls or roll chocks during horizontal roll changing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
    • B21H1/20—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling rolled longitudinally

Definitions

  • the invention relates to a tool change system and a tool change method.
  • Corresponding tool change systems and methods are for rolling or stretching or transverse rolls, for example, from EP 2 368 647 A1 , of the DE 10 2005 056 649 B3 , of the EP 0 163 104 A2 , of the US 5,600,988 or even the DE 103 17 312 A1 in particular, in each case roller pairs are mounted horizontally one above the other on two roller bearings arranged on both sides of the roller pairs. Also from other pamphlets, such as from the DE 196 33 668 C1 , from the DE 10 2004 063 547 B3 and from the JP 6-47412 A , Roll change systems and methods are known in which, however, much more complex rolling machines are provided with a variety of rollers.
  • a tool changing system for changing at least one arranged on a roller shaft in a working position tool comprising a tool change frame, a vertical transport and a transverse transport, retrofits and ensures a fast and reliable tool change when the tool change system is characterized in that the tool change system one of the Tool change rack has separate and with respect to the tool change rack separately transversely movable train frame, wherein the tool change frame has means for connection to the vertical transport and a tool holder for receiving the tool and the Gebhornen a means for connection to the transverse transport and means for connection to the tool.
  • Such an arrangement is based on the separation between transverse transport, which attaches to the draw frame, which can be connected to the tool to be changed, and the vertical transport, which attaches to the tool change rack and which provided over the transverse transport. Accommodate tools in a tool holder or can provide for replacement.
  • the tools to be changed are assemblies which, when used as intended, come into direct contact with the workpiece to be machined. That is, the tools are used, for example, during stretching and / or transverse rolling for contouring and / or preforming of the workpiece.
  • a quick and reliable feasible tool change which may possibly also be used in existing rolling, also by means of a tool change process for changing at least one arranged on a whale shaft in a working position tool, which in turn is arranged in a roll stand, which is characterized characterized in that first the tool is connected to a train frame to a composite and a transverse transport are connected to the Werner and thereafter the tool is moved by means of the transverse transport in conjunction with the Wersonen from its working position on a tool change rack or from the tool change rack in its working position.
  • the tool change frame can then be brought by means of the vertical transport of and / or to a change position, which can be ensured in the rule already with existing vertical transport easily reliable.
  • the tools are joined into a composite while the change is being performed.
  • the draw frame which is accordingly connected to the tools, as a unit, which is accordingly time-saving.
  • the combination of tools and traction frames is not necessarily limited to a roller and / or whale roller. Rather, it is conceivable that the pull frame can also connect tools of different rollers and / or whale rollers or be connected to them.
  • a roller comprises a roller shaft with at least one tool arranged on the roller shaft, as can be found in particular in stretching rollers or transverse rollers. Since, for example, in the case of stretching and transverse rolls, two rolls, that is to say two roll shafts equipped with tools, interact between an upper and a lower roll shaft and thus also between an upper and lower roll.
  • tools may be replaced by several assemblies for changing the tools. This can be done, for example, such that two or more tools are connected to each other on a whale shaft. That is, two or more tools are placed on a whale shaft and joined into a composite.
  • the respective outer tools of the upper and lower roller shaft can be connected to one another in a composite. Any combination of connected is basically possible.
  • draw frame does not reduce the corresponding assembly to a pure tie rod. Rather, this framework can also be charged with thrust loads and other carrying forces. However, if the loads of the pull frame are limited to the transverse displacements of the tools or rollers, the pull frame can be relatively easy to build, which in particular facilitates its handling even when used in more complex structures within the rolling machine.
  • the tool change frame can be much more stable and also designed to absorb loads during vertical movements, since the tool change frame can be positioned more flexibly by the separation between transverse transport and vertical transport or between a transverse and a vertical movement, so that its stable structure is not an obstacle becomes.
  • a quick and reliable feasible tool change which may optionally be used in existing rolling machines is also by a tool changing system for changing at least one arranged on a whale shaft in a working position tool, comprising a tool change frame, a vertical transport and a change rack guide, the change rack guide as Slotted guide between the tool change frame and a guide support is formed, when the tool change system is characterized in that the slotted guide has an open top, the tool change frame with respect to the working position leading to a change position guide track, which constantly comprises a vertical web component.
  • the separation between cross-transport and vertical transport is implemented because a corresponding vertical transport without further insert a corresponding tool change rack from above into the guideway and up to the change position lower or, starting from the change position, the tool change frame can be removed again from this guide.
  • the tool changer can be quickly and reliably spent to its change position, without the need for a use of a separate transverse transport.
  • an insertion aid is provided on a guide input of the guideway arranged in the region of the guideway opening.
  • a guideway can also be called a slide track.
  • a simple crane or an already existing in appropriate systems hall crane or the like as a vertical transport can be readily used.
  • an existing, usually a large hall crane can be used to achieve an exact storage position in combination or interaction with the guideway.
  • the slotted guide or the guideway next to the permanent vertical component which ensures a reliable movement along the guideway only using a vertical transport, may also have horizontal web components with which a certain trajectory or guideway of the tool change rack can be enforced as long as there is a vertical component at the same time. This allows in particular a simple adaptability of the corresponding tool change system or the corresponding tool change process to different structural conditions, as they can be found in particular during retrofitting.
  • guideway is to be understood abstractly, since it ultimately focuses on the movement of the tool changer with respect to fixed assemblies.
  • the corresponding link guide - and accordingly the associated guide groove - not necessarily be open at the top to realize an open-topped guideway, for example, if the guide is provided on the tool change frame and a corresponding guide spring of the slotted guide on the guide support. In the latter case, the slide would then be open at the bottom, but still lead to an open-topped guideway, since the tool change rack is guided above the guide free and when lowering into the guideway.
  • a tool change that can be carried out quickly and reliably which can optionally also be used in existing rolling machines, can be realized by a tool change method for changing tools arranged on roller shafts in a working position, which in turn are arranged in a roll stand, when a tool change rack is along a guide rail leading the tool change frame in relation to the working position is moved away from a change position or moved to the change position and the tool change process is characterized in that the tool change frame by means of a vertical transport introduced into the guideway and lowered from the top to the change position and / or starting from the change position upwards until it leaves the guideway.
  • This method is based on the fact that the tool change frame can be spent by means of vertical transport up to its interchangeable position, while any transverse movement is then realized in another way, located in his change position tool change rack. Accordingly, a separation between vertical transport and horizontal or transverse transport is also provided here.
  • the guide carrier is preferably formed separately from a roller carrier in which the roller shafts are arranged, so that the guide carrier, on the one hand, performs its leading function by enabling a simple and reliable tool change and, on the other hand, can be easily retrofitted.
  • a tool change system for changing at least one arranged on a whale shaft in a working position tool comprising a tool change frame, a vertical transport and a change frame guide, the change frame guide as a guide link between the tool change frame and a Guide carrier is formed, advantageous if the tool change system is characterized in that the guide carrier is formed separately from the roll carrier in which the rollers are arranged to perform a tool change quickly and reliable and this optionally also come in existing rolling machines for use ,
  • the transverse transport can be particularly easy to implement, for example, by a cable that can be placed with his winch also slightly away from the rolling machine, while the rope as such does not take much space and even under complex structural conditions still led to the Switzerlandrahmen can be. It is particularly advantageous if a pulley is provided for the rope, so that different directions of movement can be realized with the same cable. In particular, it is therefore possible to implement with the same rope both a removal and a mounting tools on Walzwellen.
  • the axial movement component can be readily realized by means of transverse transport, with a suitable embodiment, it is possible that the tools only axially displaced and therefore always either in the roll carriers or on corresponding non-displaced roll components on the one hand or on Tool holders of the tool change rack are supported against the force of gravity. Accordingly, the transverse transport can also be made relatively easy and easy to handle. Once the tools have been received on the tool changer, then the vertical transport, which can be readily designed for very high loads, can take over the onward transport.
  • the vertical transport can certainly be designed for transverse movements, as this is common, for example, in overhead cranes.
  • the leadership or closer environment of the rolling machine is largely dispensed with his querverlagernden skills, as this is then realized by the leadership.
  • a rapid tool change which can also be readily implemented in existing rolling machines, can also be implemented cumulatively or alternatively by a roller comprising a roller shaft and tools arranged on the roller shaft in a working position independently of the other features of the present invention characterized in that it comprises a tool clamping clamping ring with a quick release and release unit.
  • Such a quick release and release unit may in particular comprise a locking pin and / or a clamping screw.
  • the backup font is preferably used as axial securing, the clamping screw can in particular represent a clamping element.
  • axial securing can preferably serve a securing element which is arranged captive on the clamping ring and can be moved from a securing position to a release position and back. This can be done for example by a corresponding rotation of the fuse element or a corresponding axial displacement. Possibly. can also be a rocker arm assembly or otherwise be used, with a fuse element, which can be displaced by a rotational movement between its securing position in its release position, turns out to be particularly compact and easy to operate.
  • a groove or a similar recess can be provided on the whale shaft, in which the securing element engages in its securing position.
  • Such a groove or recess can be easily introduced later in a whale shaft.
  • corresponding projections may be attached to the roll shaft or placed on the same, which of the securing element in its Be engaged behind the securing position accordingly, in order to realize in this way an axial securing.
  • the locking pin is preferably designed such that it can be actuated by means of a simple rotation of 180 °. This means that then by means of the simple rotation of the clamping ring can be secured quickly on the whale shaft or released from it.
  • the locking pin has a recess which, by rotation of the securing pin, enables a securing of the clamping ring on the roller shaft and a removal or placing of the clamping ring from or onto the roller shaft.
  • the quick release and release unit does not necessarily have to have a clamping screw as a clamping element. Rather, other clamping elements can be provided, which are correspondingly axially effective.
  • these clamping elements comprise an actuating element, with which it actuates, as can be tensioned or relaxed.
  • Such an actuating element can accordingly be in particular a screw head of a clamping screw.
  • the actuating element is axially outward, so pointing away from the tools, so that it - unlike the in the DE 88 06 968 U1 or in the US 5,735,788 disclosed roller assemblies - light and relatively freely accessible. As a result, the set-up times can be considerably minimized, since in particular fast-working tools can be used for the actuation.
  • the clamping element is axially aligned, ie parallel to the axis of the respective roller, so that the corresponding clamping forces can act directly and without further deflections and builds the clamping element relatively uncomplicated.
  • the clamping screw preferably has a clamping head and a screw head, the clamping head applying clamping forces to the tools and the screw head serving to actuate the clamping screw.
  • the clamping screw can be arranged such that the clamping head can be referred to as axially inward, pointing to the tools and the screw head as axially outboard, pointing away from the tool end.
  • the clamping screw it is possible to put on the screw head of the clamping screw a corresponding tool, for example in the form of a impact wrench and to clamp the clamping screw.
  • the clamping ring allows with a Such quick release and release a much faster tool change than known solutions.
  • Such a clamping ring can easily put on with the whale shaft and then clamp the tools axially. Due to the quick release and release unit, the corresponding roll change can be considerably accelerated compared to known arrangements.
  • the ring shape of the clamping ring requires that here also a separation between transverse displacement for removing the clamping ring and vertical displacement, in order to then provide another clamping ring, preferably can be implemented.
  • a corresponding clamping ring can also be retrofitted without further ado, because in any case in corresponding positions clamping devices are provided, which can be replaced by a corresponding clamping ring.
  • the quick release and release unit can comprise on an inner side of the clamping ring two inner system areas for engagement with the roller in a tensioned state, which are arranged in the circumferential direction opposite one another but axially offset. If an axially unilateral force is exerted on a ring formed in this way and adapted in its direction and in its moment to the offset, then the two inner plant areas become tense. If the direction of this force is changed, so the ring dissolves, since he can then yield to a corresponding moment
  • the quick release and release unit comprises two release regions, which are arranged adjacent to one of the inner bearing regions and the other of the inner machine regions, wherein in the release regions the inner side recesses outwards relative to the adjacent inner system region.
  • a corresponding clamping ring can be provided in a structurally simple manner, in particular, if the inner side of the clamping ring is designed in the area of the inner bearing areas and / or in the region of the release areas of a partial cylinder jacket, since corresponding partial cylinder jackets can be provided simply and precisely by rotating machining operations.
  • the axes of the sub-cylinders associated with the inner-area areas preferably coincide with one another, so that the inner-area areas can be provided in one work step. This is correspondingly easy to implement in terms of manufacturing technology.
  • the radius of the associated sub-cylinders of these inner equipment areas may be formed to match the radius of the associated roller shaft of the roller, so that the clamping ring with its inner system areas abut very well on this roller shaft and form a corresponding frictional connection.
  • a jumping back of the release areas can be realized structurally particularly simple if the axes of the partial cylinders belonging to the inner system areas and the axes of the partial cylinders belonging to the release areas intersect. In this way, the clamping ring opens directly in the release areas.
  • the radii of the partial cylinders associated with the release regions may be larger than those of the partial cylinders associated with the inner equipment regions, whereby likewise a return of the inner side of the clamping ring in the region of the release regions can be readily ensured, and especially if the axes of the part-cylinders belonging to the respective regions can also be realized structurally without further ado.
  • the clamping ring may include a roller shaft to the form-fitting effective axial securing, which is arranged in the circumferential direction in an angular segment of 180 °, in the middle of which one of the two indoor equipment areas is arranged, which is axially closer to the tools than the other of the two indoor equipment areas.
  • the form-fittingly effective axial securing can precisely position the inner system area closer to the tools, in particular in the event of a lack of tension, in order to avoid, in particular, slippage during bracing.
  • a corresponding positive connection can be realized for example by a locking pin which engages in a groove on the roller.
  • a simple clamping can be realized in that the clamping ring comprises an axially acting on one of the tools clamping element, which is arranged in the circumferential direction in an angular segment of 180 °, in the middle of which one of the two indoor equipment areas is arranged axially further away from the tools is the other of the two indoor areas.
  • the axial securing and the clamping element in the circumferential direction of the clamping ring are arranged opposite to each other, it being understood that in this case deviations up to 90 ° could be recognized without the effect is significantly impaired.
  • the rolling machine 10 shown in the figures comprises two horizontally stacked rollers 80, each comprising a roller shaft 12 and a plurality of tools 11 which are arranged on the respective roller shafts 12, and at This embodiment can be used as stretching rollers.
  • the upper roller shaft 12a is disposed above the lower roller shaft 12b.
  • the rollers 80 are arranged in roller carriers 13, one of which is axially displaceable and which absorb the forces occurring between the rollers 80 during the rolling processes.
  • the entire rolling machine 10 is arranged in a foundation 14 of a workshop (not shown here) (see FIG. 10 ).
  • the rolling machine 10 is provided with a tool changing system 15 that can optionally also be retrofitted.
  • This tool change system 15 includes a tool change rack 20 (see FIGS. 7 to 10 ), a vertical transport 30, a transverse transport 40, a pull frame 50 and a change rack guide 60.
  • the tool change frame 20 comprises two tool holders 21 which are cylindrical and outer diameter of the inner work diameter of the tools 11 are adapted and fixed vertically to one another on a main plate, the position of the tool holders 21 on the main plate 22 of the position of the whale rollers 12 in the roll carriers 13 largely corresponds, so that the tool holders 21 can be readily positioned axially in front of the whale rollers 12 to receive by means of a transverse movement, the tools 11 at a tool change or to return in the reverse manner to the whale waves.
  • a hook extension 23 is also attached, which protrudes substantially parallel to the tool holders 21 of the main plate 22 and a plurality of small recesses (not numbered) carries, in which a crane hook 31 of a hall crane (not shown) mounted the factory can be, as this example in FIG. 9 is indicated.
  • the plurality of recesses of the hook extension 23 makes it possible to position the crane hook 31 axially different with respect to the center of gravity, since the center of gravity of this tool change rack 20 with or without tools 11 quite with respect to the tools 11 taking into account the question of whether these on the Tool holder 21 are positioned or not, is relocated relevant.
  • the tool change frame 20 can also be configured differently, in particular with regard to the arrangement of the tool holder 21 and the hook extension 23rd
  • the tool change frame 20 has an opening 24 for a cable 41 (see in particular FIG. 9 ), which is used in this embodiment as a transverse transport 40.
  • the transverse transport 40 further comprises a deflection roller 42 for the cable 41, which can be introduced into the roller carrier 13 (see FIG. 9 ), which is the furthest from the cable carrier 41 away from the two roller carriers 13. In this way, the cable 41 can be used as a transverse transport 40 for different directions of movement.
  • a tool securing device is additionally arranged, which causes a securing in the circumferential direction.
  • other measures may be provided.
  • the pull frame 50 (see in particular FIGS. 9 and 10 ) is a substantially rectangular frame, which has connection possibilities to the tools 11.
  • the tools 11 are also connected to each other to form a composite.
  • an alternative draw frame 50 also connecting elements to each individual tool such as horizontal connecting bars, which are respectively connected to the tools or from the Switzerlandrahmen 50 starting reaching to the respective farthest tool 11 and then embracing all tools 11 designed are, may have to represent a composite of tools 11 and pull frame 50 for the tool change, which then implements a corresponding tool change in a very small number of transverse movements or axial movements. Accordingly, it is not absolutely necessary that the tools 11 constantly form a composite with each other.
  • a fastening 51 for the transverse transport 40 or for the cable 41 is provided on the draw frame 50 so that it can be connected to the transverse transport 40 quickly and reliably. It is understood that - depending on the specific embodiment - instead of a cable 41 also other cross transport can be used.
  • the guide roller 42 can be used by the cable 41 is deflected over the guide roller and thus pulling in the direction of the whale rollers 12 can be effectively used.
  • the changing rack guide 60 has a slotted guide 61 in two guide beams 62, which are placed laterally of the opening path of the roller carrier 13, which is the guide carrier 62 and the cable 41 next.
  • the guide support 62 can also optionally retrofit.
  • Each of the guide beams 62 has a guide groove 63, in which associated guide springs 64, which are provided on the tool change frame 20, can intervene leader.
  • the slide guides 61 define a guide track 70 for the tool change frame 20, which is open at the top and at its open top guide 71 has an insertion aid 72, which is realized by an extension of the guide groove 63. It is understood that a corresponding guideway 70, which is open at the top and optionally also has an insertion aid at its open-top guide 71, can also be realized in other ways.
  • a sliding guide 61 is not necessarily necessary, in particular, a corresponding guide groove may also be provided on the tool change frame, which is designed to be open at the top in order to ensure a correspondingly open top guide track.
  • roller shafts 12 are first moved to change position and prepared. Then, the roll stand 13, which is the guide beams 62 closest, ascended, as a comparison of Figures 1 and 2 shows.
  • the traction frame 50 is then screwed to the tools 11 and thereby a corresponding composite is provided, which includes all the tools 11 of the two whale rollers 12, ie the tools 11 of the upper whale roller 12a and the lower whale roller 12b, and the traction frame 50 ,
  • the tool change frame 20 is inserted with the crane in the guideways 70 and lowered into its change position.
  • the Guideway 70 in each position on a vertical component, so that a corresponding lowering and a subsequent lifting can be readily realized.
  • the pull rope of the cable 41 is performed through the opening 24 and hooked to the attachment 51.
  • the tools 11 can then be mounted together on the tool holders 21 in the composite-and indeed by the pull frame 50 in conjunction with the tools 11 of both roller shafts 12, bridge elements being previously placed on the roller shafts 12 in this exemplary embodiment in order to control the sequence of movements to stabilize in this regard.
  • the crane hook 31 is offset in order to compensate for a change in the center of gravity of the tool change frame 20.
  • the tool change frame 20 can be lifted with the crane and transported away.
  • a second tool changer 20 can be discharged according to new tools 11 in the guideway and the change position can be spent.
  • the guide roller 42 is hooked to the roller carrier 13, the traction cable of the cable 41 inserted into the guide roller 42 and hooked on the back of the Switzerlandrahmens 40 in the attachment 51.
  • the tools 11 can be mounted on the whale rollers 12 in conjunction with the pull frame 50.
  • the roller carrier 13 can be closed again, after which the rollers 80 can be moved back to the rolling position.
  • the set-up time can also be reduced by clamping rings 81 to about half an hour, which are solved before mounting the pull frame 50 on the tools 11 and disassembled and reassembled by the tools 11 after disassembly of the pull frame 50.
  • clamping rings 81 (see in particular FIGS. 3 to 6 ), in which FIGS. 3 and 4 partial views of the two rollers 80 in the rolling machine 10 (see FIGS. 1, 2 . 9 and 10 ) comprise a quick release and release unit 82, which is essentially realized by a locking pin 87 as axial securing and a clamping screw 91.
  • a clamping head 92 of the clamping screw 91 is directed axially inward, ie pointing towards the tools, so that the clamping screw 91 can be adjusted with simple tools, such as an impact wrench, for example, tensioned or relaxed.
  • Each of the clamping rings 81 has an inner abutment region 83, with which the clamping ring 81 rests against the respective rolling shaft 12 in the clamped state.
  • each clamping ring 81 has a release region 84, which springs back outward with respect to the inner lying lying lying but slightly axially offset interior region 83.
  • the clamping ring 81 can be tilted to the release areas 84, which allows easy assembly and disassembly.
  • the inner bearing portions 83 and the release portions 84 are each implemented by teilzylindermantelelförmige inner regions of the clamping ring 81, the axes 85 intersect, the Operazylindermantel, which is associated with the Operazylindermantel vom the release portions 84, a slightly larger radius than the Operazylindermantel, the belongs to the two indoor equipment areas 83.
  • the axes 85 of these two cylinders intersect approximately in the middle of the clamping ring 81 (see FIG. 3 below), so that the clamping ring 81 can also be made by simple manufacturing techniques that rely on rotating tools.
  • the clamping ring 81 an axial securing 86, which is realized by a perpendicular to the common axis 85 of the rolling shaft 12 and the indoor equipment areas 83 aligned locking pin 87 which pierces the clamping ring 81 in a corresponding bore.
  • This hole opens at one point (see FIG. 3 ) inwardly, so that the locking pin 87 can engage in a groove, not shown, of the roller shaft 12, to secure the clamping ring 81 in this way axially.
  • the locking pin 87 is also secured by a locking screw 88 against losing (see FIG. 6 ).
  • the clamping ring 81 comprises a clamping element 90, which can apply a clamping force coaxially to the axis 85 of the roller shaft 12.
  • the clamping element 90 comprises a clamping screw 91 by means of which a clamping head 92 against an adjacent tool 11 can be axially clamped.
  • at least two of the clamping elements 90 sit in an angular segment of 180 °, which in the middle of the inner plant area 83, which is furthest away from the tool 11, which is located next to the clamping ring 81. In this way, the clamping force applied axially by the clamping element 90 leads to a tilting moment, which presses both inner system areas 83 against the roller 12.
  • the clamping elements 90 are arranged opposite to the axial securing 86 in the circumferential direction, so that the axial securing 86 is arranged in an angular segment of 180 °, which in the middle comprises the inner equipment region 83 which is closest to the tool 11 which lies next to the clamping ring 81 ,
  • the clamping ring 81 with its quick release and release unit 82 can be mounted and dismounted very quickly, whereby the setup times can be further minimized. In addition, it can also be used with existing rollers 80 and accordingly placed in separate transverse and vertical movements on the whale rollers 12 and removed therefrom.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Metal Rolling (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Forging (AREA)

Claims (7)

  1. Système de changement d'outil (15) pour changer au moins un outil (11) disposé sur un arbre de laminoir (12) dans une position de travail, comprenant un châssis de changement d'outil (20), un transport vertical (30) et un guidage de châssis de changement (60), le guidage de châssis de changement (60) étant constitué comme guide à coulisse (61) entre le châssis de changement d'outil (20) et un support de guidage (62), caractérisé en ce que le guide à coulisse (61) comporte une glissière de guidage (70) ouverte en haut, guidant le châssis de changement d'outil (20) par rapport à la position de travail jusqu'à une position de changement, qui comprend en permanence un composant de glissière verticale et/ou en ce que le support de guidage (62) est constitué séparément d'un support de laminoir (13) dans lequel l'arbre de laminoir (12) est disposé.
  2. Système de changement d'outil (15) selon la revendication 1, caractérisé en ce qu'une assistance d'introduction (72) est prévue sur une entrée de guidage (71) de la glissière de guidage (70), disposée dans une zone de l'ouverture de glissière de guidage.
  3. Système de changement d'outil (15) selon la revendication 1 ou 2, caractérisé en ce que le système de changement d'outil (15) sert au changement de plusieurs outils (11), disposés le cas échéant également sur différents arbres de laminoir (12) et les outils (11) sont reliés de préférence entre eux à un ensemble composite.
  4. Procédé de changement d'outil pour le changement au moins d'un outil (11) disposé sur un arbre de laminoir (12) en position de travail, qui est disposé à son tour dans un montant de laminoir (13), un châssis de changement d'outil (20) s'éloignant d'une position de changement ou approchant vers la position de changement le long d'une glissière de guidage (70) guidant le châssis de changement d'outil (20) par rapport à la position de travail, caractérisé en ce que le châssis de changement d'outil (20) est introduit dans la glissière de guidage (70) au moyen d'un transport vertical (30) et est baissé du haut jusqu'à la position de changement et/ou relevé en partant de la position de changement vers le haut jusqu'à ce qu'il quitte la glissière de guidage (70).
  5. Procédé de changement d'outil selon la revendication 4, caractérisé en ce que le procédé de changement d'outil sert au changement de plusieurs outils (11), disposés le cas échéant également sur différents arbres de laminoir (12) et les outils (11) sont reliés pour un changement d'outil de préférence les uns aux autres à un ensemble composite.
  6. Système de changement d'outil (15) selon l'une quelconque des revendications 1 à 3 ou procédé de changement d'outil selon la revendication 4 ou 5, caractérisé en ce que le transport vertical (30) est une grue.
  7. Système de changement d'outil (15) ou procédé de changement d'outil selon l'une quelconque des revendications précédentes, caractérisé en ce que les outils (11) sont déplacés axialement des arbres de laminoir (12) sur le châssis de changement d'outil (20) et du châssis de changement d'outil (20) sur les arbres de laminoirs (12).
EP15200576.5A 2014-02-11 2015-02-04 Systeme et procede de changement d'outil Active EP3028782B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014001738 2014-02-11
DE102014005331.8A DE102014005331B3 (de) 2014-02-11 2014-04-11 Werkzeugwechselsystem und -verfahren sowie Reckwalze
EP15000319.2A EP2905088B1 (fr) 2014-02-11 2015-02-04 Système et procédé de changement d'outils et laminoir de forge

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP15000319.2A Division-Into EP2905088B1 (fr) 2014-02-11 2015-02-04 Système et procédé de changement d'outils et laminoir de forge
EP15000319.2A Division EP2905088B1 (fr) 2014-02-11 2015-02-04 Système et procédé de changement d'outils et laminoir de forge

Publications (2)

Publication Number Publication Date
EP3028782A1 EP3028782A1 (fr) 2016-06-08
EP3028782B1 true EP3028782B1 (fr) 2017-08-23

Family

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EP15200576.5A Active EP3028782B1 (fr) 2014-02-11 2015-02-04 Systeme et procede de changement d'outil
EP15000319.2A Active EP2905088B1 (fr) 2014-02-11 2015-02-04 Système et procédé de changement d'outils et laminoir de forge

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US (2) US9975159B2 (fr)
EP (2) EP3028782B1 (fr)
CN (1) CN104826870B (fr)
BR (1) BR102015002901B1 (fr)
DE (1) DE102014005331B3 (fr)
ES (2) ES2607500T3 (fr)
MX (1) MX355587B (fr)
RU (1) RU2634823C2 (fr)

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ES2896309B2 (es) * 2021-11-24 2024-03-06 Kerajet S A Prensa laminadora de polvos ceramicos con rodillo intercambiable y metodo de intercambio de rodillo de una prensa laminadora

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Also Published As

Publication number Publication date
US20170100757A1 (en) 2017-04-13
DE102014005331B3 (de) 2015-05-21
BR102015002901B1 (pt) 2022-08-02
US9975159B2 (en) 2018-05-22
US10821490B2 (en) 2020-11-03
EP2905088B1 (fr) 2016-10-26
ES2642178T3 (es) 2017-11-15
EP3028782A1 (fr) 2016-06-08
CN104826870A (zh) 2015-08-12
EP2905088A3 (fr) 2015-10-28
MX2015001845A (es) 2015-09-23
MX355587B (es) 2018-04-24
CN104826870B (zh) 2017-06-30
RU2015104127A (ru) 2016-08-27
ES2607500T3 (es) 2017-03-31
RU2634823C2 (ru) 2017-11-03
BR102015002901A2 (pt) 2017-02-14
US20150224552A1 (en) 2015-08-13
EP2905088A2 (fr) 2015-08-12

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