EP2862684B1 - Punching machine with device for adjustment - Google Patents
Punching machine with device for adjustment Download PDFInfo
- Publication number
- EP2862684B1 EP2862684B1 EP14179217.6A EP14179217A EP2862684B1 EP 2862684 B1 EP2862684 B1 EP 2862684B1 EP 14179217 A EP14179217 A EP 14179217A EP 2862684 B1 EP2862684 B1 EP 2862684B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- punching
- flat
- bed sheet
- embossing
- embossing machine
- 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.)
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Links
- 238000004080 punching Methods 0.000 title claims description 89
- 229910052751 metal Inorganic materials 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 56
- 238000004049 embossing Methods 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 230000032258 transport Effects 0.000 description 8
- 239000011111 cardboard Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 6
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- 239000012530 fluid Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
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- 235000019504 cigarettes Nutrition 0.000 description 1
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
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- 238000000518 rheometry Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/20—Cutting sheets or blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/25—Surface scoring
- B31B50/252—Surface scoring using presses or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/88—Printing; Embossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/08—Creasing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
- B44B5/028—Heated dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/042—Feeding sheets or blanks using rolls, belts or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/06—Feeding sheets or blanks from stacks
- B31B50/066—Feeding sheets or blanks from stacks from above a magazine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/07—Feeding sheets or blanks by air pressure or suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/92—Delivering
- B31B50/98—Delivering in stacks or bundles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0702—Embossing by tools working discontinuously
Definitions
- the invention relates to a flat bed punching and / or embossing machine according to the preamble of claim 1 and claim 9.
- Punching is the term used to refer to cutting with self-contained geometric cut shapes, which can be circular, oval or polygonal as well as all kinds of fantasy shapes.
- Practices used in postpress such as punching with punch, corner repulsion and register punching, are also included in this area.
- the punching takes place against a punching pad or against a stamp, in some cases there are also shearing processes.
- Packaging materials made of paper, cardboard, cardboard or corrugated cardboard are mainly punched in sheet format but also as sheets. Materials such as foil (in-mold), various thin plastics or aluminum foil can also be processed accordingly.
- crease lines or blind embossing can also be introduced into the panel. This complex process makes it indispensable to punch the sheets individually.
- Such a flat bed punch is for example from the DE 30 44 083 A1 known.
- the two tables also referred to as crucibles, are equipped with cutting and creasing tools or corresponding counter-tools, with which the sheets are punched out from the sheets that are intermittently guided between the table surface and at the same time the grooves necessary for clean folding are pressed in.
- the waste is removed mechanically using stripping tools.
- the punched blanks can finally be separated in a blanking device provided for this purpose.
- the punching pressure in the sheet punching and embossing machine must be able to be adjusted depending on the sheet to be processed.
- the various devices for setting the punching force according to the prior art have in common that the punching force can only be set globally, ie based on the entire area of the crucible. Due to the design, however, all punching and embossing machines according to the prior art have an uneven punch force distribution over the surface of the crucible. The punching force is introduced via individual force introduction points and is therefore not applied to the entire crucible surface. Depending on the rigidity of the crucible, there is a deformation, which in turn results in an uneven punch pressure distribution over the area of the crucible. Differences in the height of the punching or creasing knives as well as the wear of the knives also cause an uneven punching pressure distribution.
- the unequal punching pressure causes the cutting knives of the punching tool to be cut improperly or the scoring of the stamping tool to produce inadequately pronounced scoring.
- this problem is solved by placing the punching and creasing knives individually under them. Depending on the deviation from the nominal punching force, the punching and creasing knives are glued to the back of the tool with paper or plastic strips of different thicknesses. This so-called dressing is very time-consuming and must be done when the machine is at a standstill. Depending on the number of punching and creasing knives and the shape to be punched, dressing can take several hours. As a result, the high set-up time reduces machine productivity.
- the DE 35 31 114 A1 describes a method and a device for pressurizing a press for producing embossing tools.
- the press is operated separately and independently of a sheet punching and / or embossing machine.
- the press has a large number of hydraulic pistons that support a pressure plate.
- the pressure plate is used to stamp the tools.
- the pistons can be controlled electrically via a control panel, which means that the pressure build-up on the pressure plate can be varied precisely and specifically.
- the DE 39 07 826 C2 describes a device for producing punching tool assemblies, namely an impression machine.
- an impression machine In order to be able to move the punching tool preparation into the impression machine, is in one first step recorded the topography of the crucible of the punching machine. The topography of the crucibles is then simulated in the impression machine. This enables the punching tools to be prepared in the impression machine and the punching machine to be able to continue to be operated during this punching operation. However, this does not reduce the effort required for preparing the punching tools.
- the DE 10 2007 014 317 A1 discloses a sheet punching and embossing machine with a punching station, the crucible of which is provided with a device for regulating the punching or embossing pressure.
- actuator elements such as piezo elements, hydraulic chambers or electric motors are distributed over the device.
- the object of the present invention is to provide a flat bed punching and / or embossing machine which reduces the disadvantages of the prior art and which reduces the set-up time and thus increases the productivity of the machine.
- the flat bed punching and / or embossing machine for processing flat elements, in particular made of paper, cardboard, cardboard or plastic, has a punching and / or embossing station with an upper table and a lower table, one of which can be moved and at least one with one Stamping and / or embossing tool is equipped.
- the lower table has a plurality of metal blocks arranged next to one another in a matrix-like manner, in particular cuboidal ones, each metal block having an independently controllable heating device for the targeted heating or heating of a respective metal block for dressing the punching and / or embossing station by locally deforming the surface of the lower table .
- the heating devices of the metal blocks are advantageously controlled in such a way that, due to the thermal expansion of the metal blocks, there is a deformation of the lower table, which corresponds to a particular need for dressing.
- a respective heating device is designed as a heating cartridge with a control unit, with a respective heating cartridge, such as, for. B. offered by the Watlow company under the product name "firerod”, in particular has a heatable resistance wire.
- a respective heating cartridge such as, for. B. offered by the Watlow company under the product name "firerod”, in particular has a heatable resistance wire.
- a bus system for controlling the heating cartridges, with the control unit of a heating cartridge being connected via data transfer technology to a machine controller via the bus system. With this control it is achieved that a respective metal block can be heated in such a way that thermal expansion and consequently a necessary dressing result.
- the flat-bed punching and / or embossing machine has a data memory for storing a machine-dependent and / or a tool-dependent dressing requirement and the preparation requirement can be converted into a heat distribution, such that the heating cartridges can be controlled individually by the machine controller, that the heating of the heating cartridges causes the metal blocks to expand and the tools to be prepared.
- the metal blocks are designed as aluminum cuboids.
- an insulation layer is provided as thermal insulation between the individual metal blocks.
- the thickness or effectiveness of the insulation layer can be designed differently, depending on the position of the metal block. So z. B. a metal block located at the edge have a thinner insulation layer than a metal block surrounded by further metal blocks.
- the insulation layer prevents heat from moving from one metal block to another adjacent metal block can be transferred.
- a respective metal block can be provided with a cooling element, in particular on its lower end face.
- the cooling element can be a metal plate, for example, which dissipates the heat introduced by the heating devices.
- a respective heating cartridge has a temperature sensor and can be regulated via the bus system.
- metal blocks can be combined to form a unit, in particular a bolt.
- a respective latch can be individually connectable to the under table.
- the flat bed punching and / or stamping machine has a punching and / or stamping station with an upper table and a lower table.
- a hollow chamber plate with a plurality of chambers arranged next to one another in a matrix is provided, the chambers being filled with a rheological liquid and the viscosity in a respective chamber by means of a current-conducting bus system by changing the Rheology of the fluid can be individually adjusted.
- the punching and / or embossing station can be prepared in an advantageous manner.
- controllable micro valves which are known from the field of active microfluidics and can be constructed, for example, from single-crystal silicon, can connect the chambers in each case. After the conditions required for the preparation have been set, the valves remain closed during a respective punching process. When changing the order, the micro valves are opened, the conditions are determined anew and the pressure in each chamber is set.
- check valves or check valves These form a kind of flap between the chambers. These flaps allow the hydraulic fluid to get into the adjacent chambers, for which two flaps, one in each direction, are required in order to variably regulate the pressure level in the chambers. The flaps should be able to be actively locked and opened.
- Another approach consists in the use of pressure valves or pressure relief valves or membranes: the chambers are each connected via two pressure valves or membranes and the hydraulic fluid is able to do this due to its specific properties, solely through the influence of the dynamic pressure conditions during a particular punching process Establish the pressure level in the chambers so that the required dressing is achieved. In this case, control of the valves or membrane could be dispensed with. In all variants, all of the chambers are connected to one another by the aforementioned embodiments of the valves.
- FIG. 1 the basic structure of a sheet punching and embossing machine 100 for punching, breaking out, separating sheets and depositing sheets of paper, cardboard, plastic and the like is shown.
- the punching and embossing machine 100 has a feeder 1, a punching station 2, a stripping station 3 and a boom 4 with a storage and blanking separation station, which are carried by a common machine housing 5 and are enclosed and driven by a main drive 17.
- the processing stations 2, 3, 4 are accessible from one side, the so-called operator side; the drive train of the sheet punching and embossing machine 100 is located on the opposite side, the so-called drive side.
- a machine control 15 controls the processes within the punching machine 100.
- the sheets 6 are separated by a feeder 1 from a stack 6.1 through a so-called suction head 18, fed to the sheet transport system 7 and gripped at their front edge by grippers attached to gripper bridges of a gripper carriage 8 and intermittently in the sheet transport direction B through the various stations 2, 3 and 4 the punching and embossing machine 100.
- the sheet transport system 7 has several gripper carriages 8, so that several sheets 6 can be processed simultaneously in the different stations 2, 3 and 4.
- the gripper carriage 8 can be driven by a chain drive.
- the punching station 2 consists of a lower crucible, a so-called lower table 9, and an upper crucible, a so-called upper table 10.
- the upper table 10 is mounted such that it can be moved back and forth vertically and is provided with an upper tool 30 with punching and creasing knives.
- the lower table 9 is fixed in the machine frame and provided with a counter plate 20 for the punching and creasing knives.
- the upper table 10 can also be stationary and the lower table 9 can be moved.
- stamping tools are used instead of punching and creasing tools, especially in the form of so-called embossing plates.
- a plurality of metal blocks 101 are integrated in the lower table 9, which bring about the adjustment of the lower table 9.
- the under table 9 can be provided with an active cooling 101.
- hollow-chamber plates 200 can instead be arranged behind the upper tool 30 and / or behind the lower tool 20, which cause the respective tool 20, 30 to be trimmed.
- the gripper carriage 8 transports the sheet 6 from the punching and embossing station 2 into the subsequent stripping station 3, which is equipped with stripping tools 21, 23.
- the stripping tools 21, 23 do not required waste pieces 11 are pushed out of the sheet 6 downwards, as a result of which the waste pieces 11 fall into a cart-like container 12 inserted under the station or are transported away from there.
- the sheet 6 reaches the delivery unit 4, where the sheet 6 is either simply deposited, or at the same time the individual benefits of a respective sheet 6 are separated.
- the boom 4 has a panel separating tool 21, 23.
- the boom 4 can also contain a pallet 13 on which the individual sheets 6 or panels are stacked in the form of a stack 14, so that the pallet 13 with the Sheet stack 14 can be moved out of the area of the punching and embossing machine 100.
- auxiliary stacking devices can be used.
- FIG. 2 the metal blocks 101, which are used for dressing a punched grooved plate 20 and thus for dressing the punching and / or embossing station 2, are shown in more detail.
- a respective metal block 101 is surrounded by an insulation layer 108a to 108f.
- a metal plate can be attached there as a cooling element 110, which serves to dissipate heat introduced by the heating cartridges 104.
- a heating cartridge 104 is integrated in a respective metal block 101.
- This heating cartridge 104 is controlled by a control unit 105, which is also integrated in the metal block 101.
- a respective control unit 105 can thus specify the temperature to which a respective heating cartridge 104 is heated. This temperature is dependent on a required thermal expansion of a respective metal block 101, which in turn is required for the preparation of the punched groove plate 20 in the area of this metal block 101.
- the specification of a respective temperature which is therefore determined by the thermal expansion behavior of the metal blocks 101 and a respective local need for dressing - as in the sectional illustration of Figure 3a shown - transmitted via a bus system 106 to a respective control unit 105 of a metal block 101, for which purpose a unique address 107 is assigned.
- a respective metal block 101 can have a temperature sensor 113, so that the actual actual temperature of the metal block 101 can be fed back to the machine controller 15 or a respective control unit 105, so that temperature regulation is made possible.
- the metal blocks 101 are arranged next to one another in a matrix field 102 in rows m1, m2, ... and columns n1, n2, ... and extend approximately over the surface of the lower table 9 or the punched groove plate 20.
- a plurality of metal blocks 101 can be combined to form bolts 112, so that the metal blocks 101 can be serviced, repaired and replaced more easily.
- hollow chamber plate 200 can be used, which has a plurality of chambers 201 arranged next to one another in a matrix, which are filled with a rheological liquid 202.
- the chambers 201 can be designed as honeycomb-shaped, for example hexagonal, chambers.
- the chambers 201 of the hollow chamber plate 200 are filled with a rheological liquid 202.
- a current finger 206 is connected to a respective chamber 201 for applying a current to the respective chamber 201 for adjusting the viscosity of the rheological liquid 202 in the respective chamber 201.
- the current fingers 206 are connected to a control unit 105 via a bus system 106 and can be controlled like this. By presetting a certain current, the viscosity in the chamber 201 can be adjusted and a locally required dressing can thereby be brought about.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Punching Or Piercing (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Description
Die Erfindung betrifft eine Flachbettstanz- und/oder -prägemaschine gemäß dem Oberbegriff von Anspruch 1 und Anspruch 9.The invention relates to a flat bed punching and / or embossing machine according to the preamble of claim 1 and claim 9.
Als Stanzen wird das Schneiden mit in sich geschlossenen geometrischen Zuschnittsformen bezeichnet, die kreisförmig, oval oder mehreckig sowie Phantasieformen aller Art sein können. Auch die in der Druckweiterverarbeitung geübten Praktiken, wie Stanzen mit Locheisen, Eckenabstoßen und Registerstanzen werden zu diesem Bereich gezählt. Die Stanzung erfolgt gegen eine Stanzunterlage oder gegen Stempel, teilweise sind es auch Schervorgänge. Verpackungsmaterialien aus Papier, Karton, Pappe oder Wellpappe werden hauptsächlich im Bogenformat aber auch als Bahnen gestanzt. Auch Materialien wie Folie (In-mould), diverse dünne Kunststoffe oder Aluminiumfolie können entsprechend bearbeitet werden. Beim Stanzvorgang können zusätzlich aber auch Rilllinien oder Blindprägungen in den Nutzen eingebracht werden. Dieser komplexe Prozess macht es unabdingbar, die Bogen einzeln zu stanzen. Da es sich bei den Endprodukten um anspruchsvolle Verpackungen hinsichtlich technischer und graphischer Ausführung handelt (etwa Verpackungen für Kosmetik, Zigaretten, Pharmazie, Lebensmittel, etc.), werden besondere Anforderungen nicht nur an die Verpackungsmaterialien selbst gestellt, sondern es sind für optimale Resultate auch Stanzwerkzeuge mit geringsten Toleranzen und äußerst präzise und zuverlässig arbeitende Stanzmaschinen erforderlich. Diesen Ansprüchen wird das Flachbettstanzen am besten gerecht.
Bei Flachbettbogenstanzmaschinen werden die gedruckten und auf einer Palette gestapelten Bogen der Stanzmaschine zugeführt. In der Maschine werden in einer Ausrichteinrichtung die zu stanzenden Bogen passgenau ausgerichtet, von einem Greiferwagen übernommen und exakt in der Stanzeinrichtung zwischen einem fest gelagerten Untertisch und einem mittels Exzentergetriebe vertikal bewegbaren Obertisch positioniert. Alternativ sind Maschinen bekannt, bei denen der Obertisch feststeht und für den Stanzvorgang der Untertisch mittels Kniehebel gegen den Obertisch bewegt wird. Auch bekannt sind Flachbettbahnstanzmaschinen, die von Rollendruckmaschinen kommende Bahnen inline weiterverarbeiten.Punching is the term used to refer to cutting with self-contained geometric cut shapes, which can be circular, oval or polygonal as well as all kinds of fantasy shapes. Practices used in postpress, such as punching with punch, corner repulsion and register punching, are also included in this area. The punching takes place against a punching pad or against a stamp, in some cases there are also shearing processes. Packaging materials made of paper, cardboard, cardboard or corrugated cardboard are mainly punched in sheet format but also as sheets. Materials such as foil (in-mold), various thin plastics or aluminum foil can also be processed accordingly. In the punching process, crease lines or blind embossing can also be introduced into the panel. This complex process makes it indispensable to punch the sheets individually. Since the end products are sophisticated packaging with regard to technical and graphic design (e.g. packaging for cosmetics, cigarettes, pharmaceuticals, food, etc.), special requirements are not only placed on the packaging materials themselves, but also punching tools for optimal results with the smallest tolerances and extremely precise and reliable punching machines required. Flatbed punching best meets these requirements.
With flatbed sheet punching machines, the sheets that are printed and stacked on a pallet are fed to the punching machine. In the machine, the sheets to be punched are aligned precisely in an alignment device, taken over by a gripper carriage and exactly in the punching device between a fixed lower table and an upper table that can be moved vertically by means of eccentric gears positioned. Alternatively, machines are known in which the upper table is stationary and the lower table is moved against the upper table by means of a toggle for the punching process. Also known are flatbed web punching machines which process webs coming from web printing machines inline.
In bekannten Bogenstanz- und Prägemaschinen, die zum Stanzen, Ausbrechen, Prägen und Ablegen von Bögen aus Papier, Pappe und dergleichen eingesetzt werden, ist es bekannt, die Bögen mittels Greiferwagen durch die einzelnen Stationen der Maschine zu bewegen. Ein jeweiliger Greiferwagen besitzt eine Greiferbrücke, an der Greifer befestigt sind, die die Bögen an einem vorderen Ende ergreifen. Ein Greiferwagen besitzt weiterhin seitliche Fahrwagen, welche mit endlosen Ketten des Transportsystems verbunden sind und wodurch die Greiferwagen durch die Maschine bewegt werden. Durch diese Art der Bewegung der Bögen durch die Maschine wird ein kontinuierliches Arbeiten in den einzelnen hintereinander angeordneten Stationen der Maschine, insbesondere Stanz-, Ausbrech- und Nutzentrennstation, ermöglicht.In known sheet punching and embossing machines which are used for punching, breaking out, embossing and depositing sheets of paper, cardboard and the like, it is known to move the sheets through the individual stations of the machine by means of gripper carriages. Each gripper carriage has a gripper bridge to which grippers are attached, which grip the sheets at a front end. A gripper carriage also has side carriages, which are connected to endless chains of the transport system and by which the gripper carriages are moved through the machine. This type of movement of the sheets through the machine enables continuous work in the individual stations of the machine arranged one behind the other, in particular the punching, stripping and blanking station.
Eine derartige Flachbettstanze ist beispielsweise aus der
Um Produkte von hoher Qualität zu erhalten, muss der Stanzdruck in der Bogenstanz- und -prägemaschine je nach zu bearbeitenden Bogen angepasst werden können.Such a flat bed punch is for example from the
In order to obtain high quality products, the punching pressure in the sheet punching and embossing machine must be able to be adjusted depending on the sheet to be processed.
Wie in der
Den verschiedenen Vorrichtungen zum Einstellen der Stanzkraft nach dem Stand der Technik ist gemein, dass die Stanzkraft nur global eingestellt werden kann, d.h. auf die gesamte Fläche des Tiegels bezogen. Konstruktionsbedingt liegt jedoch bei allen Stanz- und Prägemaschinen nach dem Stand der Technik eine ungleiche Stanzkraftverteilung über die Fläche des Tiegels vor. Die Stanzkraft wird über einzelne Krafteinleitungspunkte eingeleitet und liegt somit nicht an der gesamten Tiegelfläche an. In Abhängigkeit von der Steifigkeit der Tiegel ergibt sich eine Verformung, woraus wiederum eine ungleiche Stanzdruckverteilung über die Fläche des Tiegels resultiert. Auch Höhenunterschiede der Stanz- bzw. Rillmesser, als auch der Verschleiß der Messer bewirken eine ungleiche Stanzdruckverteilung. Der ungleiche Stanzdruck wiederum bewirkt ein unsauberes Schneiden der Schneidmesser des Stanzwerkzeugs bzw. eine unzureichend ausgeprägte Rillung durch die Rillmesser des Prägewerkzeugs.
Nach dem Stand der Technik wird dieses Problem gelöst, indem die Stanz- und Rillmesser einzeln unterlegt werden. Je nach Abweichung von der Sollstanzkraft werden die Stanz- und Rillmesser auf der Rückseite des Werkzeugs mit verschieden dicken Papier- oder Kunststoffstreifen hinterklebt. Dieses so genannte Zurichten ist sehr zeitintensiv und muss bei Maschinenstillstand geschehen. In Abhängigkeit von der Anzahl der Stanz- und Rillmesser und der zu stanzenden Form kann das Zurichten mehrere Stunden dauern. Die hohe Rüstzeit verringert in Folge die Maschinenproduktivität.The various devices for setting the punching force according to the prior art have in common that the punching force can only be set globally, ie based on the entire area of the crucible. Due to the design, however, all punching and embossing machines according to the prior art have an uneven punch force distribution over the surface of the crucible. The punching force is introduced via individual force introduction points and is therefore not applied to the entire crucible surface. Depending on the rigidity of the crucible, there is a deformation, which in turn results in an uneven punch pressure distribution over the area of the crucible. Differences in the height of the punching or creasing knives as well as the wear of the knives also cause an uneven punching pressure distribution. The unequal punching pressure, in turn, causes the cutting knives of the punching tool to be cut improperly or the scoring of the stamping tool to produce inadequately pronounced scoring.
According to the state of the art, this problem is solved by placing the punching and creasing knives individually under them. Depending on the deviation from the nominal punching force, the punching and creasing knives are glued to the back of the tool with paper or plastic strips of different thicknesses. This so-called dressing is very time-consuming and must be done when the machine is at a standstill. Depending on the number of punching and creasing knives and the shape to be punched, dressing can take several hours. As a result, the high set-up time reduces machine productivity.
Die
Die
Die
Aufgabe der vorliegenden Erfindung ist es, eine Flachbettstanz- und/oder -prägemaschine zu schaffen, welche die Nachteile des Standes der Technik reduziert und welche die Rüstzeit verringert und damit die Produktivität der Maschine erhöht.The object of the present invention is to provide a flat bed punching and / or embossing machine which reduces the disadvantages of the prior art and which reduces the set-up time and thus increases the productivity of the machine.
Gelöst wird diese Aufgabe durch Flachbettstanz- und/oder -prägemaschinen mit den Merkmalen von Anspruch und Anspruch 9.This object is achieved by flat-bed stamping and / or embossing machines with the features of claim and
Die erfindungsgemäße Flachbettstanz- und/oder -prägemaschine zur Bearbeitung von flächigen Elementen, insbesondere aus Papier, Pappe, Karton oder Kunststoff besitzt eine Stanz- und/oder -prägestation mit einem Obertisch und einem Untertisch, wobei einer davon hubbeweglich ist und mindestens einer mit einem Stanz- und/oder -prägewerkzeug bestückt ist. Erfindungsgemäß besitzt der Untertisch eine Mehrzahl von matrixartig nebeneinander angeordneten, insbesondere quaderförmigen Metallklötzen, wobei jeder Metallklotz eine unabhängig ansteuerbare Heizeinrichtung besitzt, zum gezielten Erwärmen bzw. Erhitzen eines jeweiligen Metallklotzes zum Zurichten der Stanz- und/oder -prägestation durch lokale Verformung der Oberfläche des Untertischs. In vorteilhafter Weise werden die Heizeinrichtungen der Metallklötze derart angesteuert, dass sich aufgrund der Wärmeausdehnung der Metallklötze eine Verformung des Untertisches ergibt, welche einem jeweils erforderlichen Zurichtebedarf entspricht.The flat bed punching and / or embossing machine according to the invention for processing flat elements, in particular made of paper, cardboard, cardboard or plastic, has a punching and / or embossing station with an upper table and a lower table, one of which can be moved and at least one with one Stamping and / or embossing tool is equipped. According to the invention, the lower table has a plurality of metal blocks arranged next to one another in a matrix-like manner, in particular cuboidal ones, each metal block having an independently controllable heating device for the targeted heating or heating of a respective metal block for dressing the punching and / or embossing station by locally deforming the surface of the lower table . The heating devices of the metal blocks are advantageously controlled in such a way that, due to the thermal expansion of the metal blocks, there is a deformation of the lower table, which corresponds to a particular need for dressing.
In einer besonders vorteilhaften und daher bevorzugten Weiterbildung der erfindungsgemäßen Flachbettstanz- und/oder -prägemaschine ist eine jeweilige Heizeinrichtung als Heizpatrone mit Steuereinheit ausgeführt, wobei eine jeweilige Heizpatrone, wie z. B. von der Firma Watlow unter dem Produktnamen "firerod" angeboten, insbesondere einen erhitzbaren Widerstandsdraht aufweist. Solche Heizpatronen sind kostengünstig, geschickt in der Montage, widerstandsfähig und exakt in ihrer Ansteuerung.In a particularly advantageous and therefore preferred development of the flat-bed punching and / or embossing machine according to the invention, a respective heating device is designed as a heating cartridge with a control unit, with a respective heating cartridge, such as, for. B. offered by the Watlow company under the product name "firerod", in particular has a heatable resistance wire. Such cartridge heaters are inexpensive, clever to install, robust and precisely controlled.
Besonders vorteilhaft ist es, wenn ein Bus-System vorgesehen ist zur Ansteuerung der Heizpatronen, wobei jeweils die Steuereinheit einer Heizpatrone über das Bus-System mit einer Maschinensteuerung datenübertragungstechnisch verbunden ist. Durch diese Ansteuerung wird erreicht, dass ein jeweiliger Metallklotz derart erhitzt werden kann, dass sich eine Wärmeausdehnung und infolgedessen eine erforderliche Zurichtung ergibt.It is particularly advantageous if a bus system is provided for controlling the heating cartridges, with the control unit of a heating cartridge being connected via data transfer technology to a machine controller via the bus system. With this control it is achieved that a respective metal block can be heated in such a way that thermal expansion and consequently a necessary dressing result.
In einer vorteilhaften Weiterbildung der erfindungsgemäßen Flachbettstanz- und/oder - prägemaschine besitzt diese einen Datenspeicher, zum Abspeichern eines maschinenabhängigen und/oder eines werkzeugabhängigen Zurichtebedarfs und der Zurichtebedarf ist in eine Wärmeverteilung umrechenbar, derart, dass die Heizpatronen entsprechend von der Maschinensteuerung individuell ansteuerbar sind, dass durch die Erwärmung der Heizpatronen eine Ausdehnung der Metallklötze und daraus eine Zurichtung des Werkzeuges erfolgt.In an advantageous development of the flat-bed punching and / or embossing machine according to the invention, it has a data memory for storing a machine-dependent and / or a tool-dependent dressing requirement and the preparation requirement can be converted into a heat distribution, such that the heating cartridges can be controlled individually by the machine controller, that the heating of the heating cartridges causes the metal blocks to expand and the tools to be prepared.
In einer vorteilhaften Ausführungsvariante sind die Metallklötze als Aluminiumquader ausgeführt.In an advantageous embodiment variant, the metal blocks are designed as aluminum cuboids.
Weiterhin wird es als vorteilhaft angesehen, wenn zwischen den einzelnen Metallklötzen eine Isolationsschicht als Wärmeisolierung vorgesehen ist. Die Dicke bzw. Wirksamkeit der Isolationsschicht kann unterschiedlich gestaltet sein, abhängig von der Position des Metallklotzes. So kann z. B. ein sich am Rand befindlicher Metallklotz eine dünnere Isolationsschicht aufweisen, als ein von weiteren Metallklötzen umgebener Metallklotz. Die Isolationsschicht bewirkt, dass Wärme nicht von einem Metallklotz auf einen anderen angrenzenden Metallklotz übertragen werden kann. In vorteilhafter Weiterbildung kann ein jeweiliger Metallklotz mit einem Kühlelement versehen sein, insbesondere an seiner unteren Stirnfläche. Bei dem Kühlelement kann es sich dabei beispielsweise um eine Metallplatte handeln, welche die durch die Heizeinrichtungen eingebrachte Wärme ableitet.Furthermore, it is considered advantageous if an insulation layer is provided as thermal insulation between the individual metal blocks. The thickness or effectiveness of the insulation layer can be designed differently, depending on the position of the metal block. So z. B. a metal block located at the edge have a thinner insulation layer than a metal block surrounded by further metal blocks. The insulation layer prevents heat from moving from one metal block to another adjacent metal block can be transferred. In an advantageous further development, a respective metal block can be provided with a cooling element, in particular on its lower end face. The cooling element can be a metal plate, for example, which dissipates the heat introduced by the heating devices.
In einer vorteilhaften Weiterbildung besitzt eine jeweilige Heizpatrone einen Temperaturfühler und ist über das Bus-System regelbar.In an advantageous development, a respective heating cartridge has a temperature sensor and can be regulated via the bus system.
Um eine einfachere Wartung und Austauschbarkeit der Metallklötze zu ermöglichen, können jeweils mehrere Metallklötze zu einer Einheit, insbesondere einem Riegel zusammengefasst sein. Ein jeweiliger Riegel kann dabei einzeln mit dem Untertisch verbindbar sein.In order to enable easier maintenance and interchangeability of the metal blocks, several metal blocks can be combined to form a unit, in particular a bolt. A respective latch can be individually connectable to the under table.
In einer alternativen Ausführungsvariante besitzt die Flachbettstanz- und/oder - prägemaschine eine Stanz- und/oder -prägestation mit einem Obertisch und einem Untertisch. Erfindungsgemäß ist im Bereich des Untertisches oder hinter einem Oberwerkzeug des Obertisches eine Hohlkammerplatte mit einer Vielzahl von matrixartig nebeneinander angeordneten Kammern vorgesehen, wobei die Kammern mit einer rheologischen Flüssigkeit gefüllt sind und wobei die Viskosität in einer jeweiligen Kammer mittels eines stromleitenden Bus-Systems durch Änderung der Rheologie der Flüssigkeit individuell einstellbar ist. Durch eine ortsgenaue Steuerung der Viskosität in den jeweiligen Kammern kann in vorteilhafter Weise eine Zurichtung der Stanz- und/oder -prägestation erfolgen.In an alternative embodiment, the flat bed punching and / or stamping machine has a punching and / or stamping station with an upper table and a lower table. According to the invention, in the area of the lower table or behind an upper tool of the upper table, a hollow chamber plate with a plurality of chambers arranged next to one another in a matrix is provided, the chambers being filled with a rheological liquid and the viscosity in a respective chamber by means of a current-conducting bus system by changing the Rheology of the fluid can be individually adjusted. By precisely controlling the viscosity in the respective chambers, the punching and / or embossing station can be prepared in an advantageous manner.
Verwendung finden können unterschiedliche Arten von Ventilen: steuerbare Mikroventile welche aus dem Bereich der aktiven Mikrofluidik bekannt sind und beispielsweise aus einkristallinem Silizium aufgebaut sein können, können jeweils die Kammern verbinden. Nachdem sich die für die Zurichtung benötigten Verhältnisse eingestellt haben bleiben die Ventile während einem jeweiligen Stanzvorgang verschlossen. Bei einem Auftragswechsel werden die Mikroventile geöffnet, die Verhältnisse neu ermittelt und der Druck in einer jeweiligen Kammer eingestellt.
Eine andere Ausführungsform sind Rückschlagventile oder Rückschlagklappen. Diese bilden eine Art Klappe zwischen den Kammern. Diese Klappen ermöglichen der Hydraulikflüssigkeit in die benachbarten Kammern zu gelangen, wozu zwei Klappen, jeweils eine pro Richtung benötigt werden, um das Druckniveau in den Kammern variabel regulieren zu können. Die Klappen müssten aktiv verriegelt und geöffnet werden können. Ein weiterer Ansatz besteht in der Verwendung von Druckventilen bzw. Druckbegrenzungsventilen oder Membranen: Die Kammern sind jeweils über zwei Druckventile oder Membrane verbunden und die Hydraulikflüssigkeit ist durch ihre spezifischen Eigenschaften in der der Lage, alleine durch den Einfluss der dynamischen Druckverhältnisse während eines jeweiligen Stanzprozesses das Druckniveau in den Kammern so zu etablieren, dass sich die benötigte Zurichtung einstellt. Hierbei könnte auf eine Ansteuerung der Ventile oder Membrane verzichtet werden.
Bei allen Varianten sind alle Kammern durch die genannten Ausführungsformen der Ventile miteinander verbunden.Different types of valves can be used: controllable micro valves which are known from the field of active microfluidics and can be constructed, for example, from single-crystal silicon, can connect the chambers in each case. After the conditions required for the preparation have been set, the valves remain closed during a respective punching process. When changing the order, the micro valves are opened, the conditions are determined anew and the pressure in each chamber is set.
Another embodiment is check valves or check valves. These form a kind of flap between the chambers. These flaps allow the hydraulic fluid to get into the adjacent chambers, for which two flaps, one in each direction, are required in order to variably regulate the pressure level in the chambers. The flaps should be able to be actively locked and opened. Another approach consists in the use of pressure valves or pressure relief valves or membranes: the chambers are each connected via two pressure valves or membranes and the hydraulic fluid is able to do this due to its specific properties, solely through the influence of the dynamic pressure conditions during a particular punching process Establish the pressure level in the chambers so that the required dressing is achieved. In this case, control of the valves or membrane could be dispensed with.
In all variants, all of the chambers are connected to one another by the aforementioned embodiments of the valves.
Die beschriebene Erfindung und die beschriebenen vorteilhaften Weiterbildungen der Flachbettstanz- und/oder -prägemaschine stellen auch in Kombination miteinander vorteilhafte Weiterbildungen der Erfindung dar.The described invention and the described advantageous developments of the flatbed punching and / or embossing machine also represent advantageous developments of the invention in combination with one another.
Hinsichtlich weiterer Vorteile und in konstruktiver und funktioneller Hinsicht vorteilhafter Ausgestaltungen der Erfindung wird auf die Unteransprüche sowie die Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beiliegenden Figuren verwiesen.With regard to further advantages and embodiments of the invention which are advantageous in terms of construction and function, reference is made to the subclaims and the description of exemplary embodiments with reference to the accompanying figures.
Die Erfindung soll an Hand beigefügter Figuren noch näher erläutert werden. Einander entsprechende Elemente und Bauteile sind in den Figuren mit gleichen Bezugszeichen versehen. Zugunsten einer besseren Übersichtlichkeit der Figuren wurde auf eine maßstabsgetreue Darstellung verzichtet.
Es zeigen in schematischer Darstellung
- Fig. 1
- eine Flachbettstanz- und/oder -prägemaschine in einer Übersichtsdarstellung
- Fig. 2
- die Metallklötze in einer Detaildarstellung
- Fig. 3a
- die Metallklötze und ihre Ansteuerung in einer Detaildarstellung
- Fig. 3b
- einen Riegel von Metallklötzen
- Fig. 4
- die matrixartige Anordnung der Metallklötze
- Fig. 5a
- eine Hohlkammerplatte als alternative Lösungsvariante
- Fig. 5b
- die Hohlkammerplatte gefüllt mit rheologischer Flüssigkeit.
They show a schematic representation
- Fig. 1
- a flatbed punching and / or embossing machine in an overview
- Fig. 2
- the metal blocks in a detailed view
- Fig. 3a
- the metal blocks and their control in a detailed view
- Fig. 3b
- a block of metal blocks
- Fig. 4
- the matrix-like arrangement of the metal blocks
- Fig. 5a
- a twin-wall sheet as an alternative solution
- Fig. 5b
- the twin-wall sheet filled with rheological fluid.
In
Die Bogen 6 werden durch einen Anleger 1 von einem Stapel 6.1 durch einen sogenannten Saugkopf 18 vereinzelt, dem Bogentransportsystem 7 zugeführt und von an Greiferbrücken eines Greiferwagens 8 befestigten Greifern an ihrer Vorderkante ergriffen und in Bogentransportrichtung B intermittierend durch die verschiedenen Stationen 2, 3 und 4 der Stanz- und Prägemaschine 100 hindurchgezogen.
Das Bogentransportsystem 7 besitzt mehrere Greiferwagen 8, sodass mehrere Bogen 6 gleichzeitig in den verschiedenen Stationen 2, 3 und 4 bearbeitet werden können. Die Greiferwagen 8 können von einem Kettenantrieb angetrieben werden.The sheets 6 are separated by a feeder 1 from a stack 6.1 through a so-called
The
Die Stanzstation 2 besteht aus einem unteren Tiegel, einem sog. Untertisch 9, und einem oberen Tiegel, einem sog. Obertisch 10. Der Obertisch 10 ist vertikal hin- und herbewegbar gelagert und mit einem Oberwerkzeug 30 mit Stanz- und Rillmessern versehen. Der Untertisch 9 ist fest im Maschinengestell gelagert und mit einer Gegenplatte 20 zu den Stanz- und Rillmessern versehen. Alternativ kann auch der Obertisch 10 feststehend und der Untertisch 9 bewegt sein. Beim Prägen kommen an Stelle der Stanz- und Rillwerkzeuge Prägewerkzeuge, insbesondere in Form sogenannter Prägeklischees, zum Einsatz. In den Untertisch 9 ist eine Mehrzahl von Metallklötzen 101 integriert, welche die Zurichtung des Untertischs 9 bewirken. Zusätzlich kann der Untertisch 9 mit einer aktiven Kühlung 101 versehen sein. Alternativ zu den Metallklötzen 101, in einer nicht dargestellten Variante können stattdessen Hohlkammerplatten 200 hinter dem Oberwerkzeug 30 und/oder hinter dem Unterwerkzeug 20 angeordnet sein, welche ein Zurichten des jeweiligen Werkzeuges 20,30 bewirken.The punching
Der Greiferwagen 8 transportiert den Bogen 6 von der Stanz- und Prägestation 2 in die nachfolgende Ausbrechstation 3, die mit Ausbrechwerkzeugen 21, 23 ausgestattet ist. In der Ausbrechstation 3 werden mit Hilfe der Ausbrechwerkzeuge 21, 23 die nicht benötigten Abfallstücke 11 aus dem Bogen 6 nach unten herausgestoßen, wodurch die Abfallstücke 11 in einen unter der Station eingeschobenen wagenartigen Behälter 12 fallen oder von dort aus abtransportiert werden.The gripper carriage 8 transports the sheet 6 from the punching and
Von der Ausbrechstation 3 gelangt der Bogen 6 in den Ausleger 4, wo der Bogen 6 entweder nur einfach abgelegt wird, oder aber gleichzeitig eine Trennung der einzelnen Nutzen eines jeweiligen Bogens 6 erfolgt. Dazu besitzt der Ausleger 4 ein Nutzentrennwerkzeug 21, 23. Der Ausleger 4 kann auch eine Palette 13 enthalten, auf der die einzelnen Bogen 6 bzw. Nutzen in Form eines Stapels 14 aufgestapelt werden, so dass nach Erreichen einer bestimmten Stapelhöhe die Palette 13 mit dem Bogenstapel 14 aus dem Bereich der Stanz- und Prägemaschine 100 weggefahren werden kann. Um die Maschine 100 während des Stapeltausches nicht anhalten zu müssen können Hilfsstapeleinrichtungen zum Einsatz kommen.From the stripping
In
Integriert in einen jeweiligen Metallklotz 101 ist eine Heizpatrone 104. Diese Heizpatrone 104 wird von einer Steuereinheit 105, welche ebenfalls in den Metallklotz 101 integriert ist, angesteuert. Durch eine jeweilige Steuereinheit 105 kann so vorgegeben werden, auf welche Temperatur eine jeweilige Heizpatrone 104 erhitzt wird. Diese Temperatur ist dabei abhängig von einer erforderlichen Wärmeausdehnung eines jeweiligen Metallklotzes 101, welche wiederum für das Zurichten der Stanzrillplatte 20 im Bereich dieses Metallklotzes 101 erforderlich ist. Die Vorgabe einer jeweiligen Temperatur, welche also bedingt ist durch das Wärmeausdehnungsverhalten der Metallklötze 101 und einen jeweiligen lokalen Zurichtebedarf wird - wie in der Schnittdarstellung von
Anstelle der obenstehend beschriebenen Metallklötze 101 kann zur Zurichtung der Stanz- und/oder-prägestation 2 auch eine wie in
In
Die Kammern 201 der Hohlkammerplatte 200 sind mit einer rheologischen Flüssigkeit 202 gefüllt. Mit einer jeweiligen Kammer 201 ist ein Stromfinger 206 verbunden zum Anlegen eines Stromes an die jeweilige Kammer 201 zur Einstellung der Viskosität der rheologischen Flüssigkeit 202 in der jeweiligen Kammer 201. Die Stromfinger 206 sind über ein Bus-System 106 mit einer Steuereinheit 105 verbunden und können so angesteuert werden. Durch die Vorgabe eines bestimmten Stromes kann die Viskosität in der Kammer 201 eingestellt und dadurch eine lokal erforderliche Zurichtung bewirkt werden.In
The
- 11
- AnlegerInvestors
- 22nd
- Stanz- und/oder PrägestationStamping and / or stamping station
- 33rd
- AusbrechstationStripping station
- 44th
- Ausleger, ggfs. mit NutzentrennstationBoom, possibly with a depaneling station
- 55
- MaschinengehäuseMachine housing
- 66
- Bogenbow
- 6.16.1
- BogenstapelSheet stack
- 77
- BogentransportsystemSheet transport system
- 88th
- Greiferwagen mit GreifernGrab car with grabs
- 99
- Untertisch / unterer TiegelUnder table / lower crucible
- 1010th
- Obertisch / oberer TiegelUpper table / upper crucible
- 1111
- AbfallstückePieces of waste
- 1212th
- Behältercontainer
- 1313
- Palettepalette
- 1414
- AuslagestapelDelivery pile
- 1515
- Steuerung mit Interface und EingabegerätenControl with interface and input devices
- 1616
- Zuführtisch mit einer Einheit zum Ausrichten der BogenFeed table with a sheet alignment unit
- 1717th
- HauptantriebMain drive
- 1818th
- SaugkopfSuction head
- 1919th
- Unterwerkzeug mit StiftenLower tool with pins
- 2020th
- StanzrillplattePunching plate
- 2121
- Oberwerkzeug mit Stiften bzw. StempelnUpper tool with pins or stamps
- 2323
- Nutzentrenngitter oder Ausbrechbrett (Zwischenwerkzeug)Panel separation grid or stripping board (intermediate tool)
- 3030th
- Oberwerkzeug (Stanzwerkzeug)Upper tool (punching tool)
- 100100
- Flachbett-Bogenstanz- und/oder -prägemaschine (Stanzmaschine)Flatbed sheet punching and / or embossing machine (punching machine)
- 101101
- MetallklotzBlock of metal
- 102102
- MatrixfeldMatrix field
- 103103
- --
- 104104
- HeizpatroneHeating cartridge
- 105105
- SteuereinheitControl unit
- 106106
- Bus-SystemBus system
- 107107
- eindeutige Adresseunique address
- 108108
- Isolationisolation
- 108a108a
- Isolation an einer Umfangsfläche eines MetallklotzesIsolation on a peripheral surface of a metal block
- 108b108b
- Isolation an einer Umfangsfläche eines MetallklotzesIsolation on a peripheral surface of a metal block
- 108c108c
- Isolation an einer Umfangsfläche eines MetallklotzesIsolation on a peripheral surface of a metal block
- 108d108d
- Isolation an einer Umfangsfläche eines MetallklotzesIsolation on a peripheral surface of a metal block
- 108e108e
- Isolation an der oberen Stirnfläche eines MetallklotzesIsolation on the top face of a metal block
- 108f108f
- Isolation an der unteren Stirnfläche eines MetallklotzesIsolation on the lower face of a metal block
- 109109
- --
- 110110
- Metallplatte als KühlelementMetal plate as a cooling element
- 111111
- aktive Kühlung des Untertischsactive cooling of the under table
- 112112
- Riegel aus MetallklötzenBars made of metal blocks
- 113113
- TemperaturfühlerTemperature sensor
- 200200
- HohlkammerplatteTwin-wall sheet
- 201201
- Kammerchamber
- 202202
- rheologische Flüssigkeitrheological fluid
- 203203
- HydraulikflüssigkeitHydraulic fluid
- 204204
- VentilValve
- m1, m2, ...m1, m2, ...
- Zeilen MatrixfeldRows of matrix fields
- n1, n2, ...n1, n2, ...
- Spalten MatrixfeldColumns matrix field
- BB
- BogentransportrichtungSheet transport direction
- EE
- BogentransportebeneSheet transport plane
Claims (9)
- A flat-bed sheet punching and/or embossing machine (100) with a punching and/or embossing station (2) comprising an upper table (10) and a lower table (9), characterized in that the lower table (9) comprises a plurality of metal blocks (101) arranged next to one another in a matrix like manner, wherein each metal block (101) includes an independently controllable heating device (104) for a targeted heating of a respective metal block (101).
- The flat-bed sheet punching and/or embossing machine according to claim 1,
characterized in that a respective heating device is a heating cartridge (104) having a control unit (105). - The flat-bed sheet punching and/or embossing machine according to claim 2,
characterized in that a bus system (106) is provided for actuating the heating cartridges (104),
wherein the control unit (105) of a heating cartridge is connected to a machine control (15) via the bus system (106) by means of data transmission. - The flat-bed sheet punching and/or embossing machine according to any one of the preceding claims, characterized in that the flat-bed sheet punching and/or embossing machine (100) has a memory for saving a machine-dependent and/or a tool-dependent alignment demand.
- The flat-bed sheet punching and/or embossing machine according to any one of the preceding claims, characterized in that the metal blocks (101) are aluminum cuboids.
- The flat-bed sheet punching and/or embossing machine according to any one of the preceding claims, characterized in that an insulating layer (108) is provided between the metal blocks (101).
- The flat-bed sheet punching and/or embossing machine according to any one of the preceding claims, characterized in that a respective metal block (101) is provided with a cooling element (110), in particular at its lower end face.
- The flat-bed sheet punching and/or embossing machine according to any one of claims 3 to 7, characterized in that a respective heating cartridge (104) has a temperature sensor (113) and is controllable via the bus system (106).
- A flat-bed sheet punching and/or embossing machine (100) with a punching and/or embossing station (2), comprising an upper table (10) and a lower table (9), characterized in that a hollow chamber plate (200) having a plurality of chambers (201) arranged next to one another in a matrix like manner is provided in the region of the lower table (9) or behind an upper tool (30) of the upper table (10), wherein the chambers (201) are filled with a rheological liquid (202), wherein the viscosity in a respective chamber (201) is individually adjustable by means of an electricity-conductive bus system (106).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201310016755 DE102013016755A1 (en) | 2013-10-10 | 2013-10-10 | Punching machine with a device for trimming |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2862684A1 EP2862684A1 (en) | 2015-04-22 |
EP2862684B1 true EP2862684B1 (en) | 2020-04-22 |
Family
ID=51265534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14179217.6A Active EP2862684B1 (en) | 2013-10-10 | 2014-07-31 | Punching machine with device for adjustment |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2862684B1 (en) |
CN (1) | CN104552455B (en) |
DE (1) | DE102013016755A1 (en) |
ES (1) | ES2799413T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015200397A1 (en) | 2014-01-31 | 2015-08-06 | Masterwork Machinery Co., Ltd. | Test device and thus equipped production arrangement |
CN109322216B (en) * | 2018-12-18 | 2024-01-30 | 广东华工环源环保科技有限公司 | Pulp molding product side cut device |
EP4026674A1 (en) | 2021-01-12 | 2022-07-13 | Koenig & Bauer AG | Device and method for making ready a die for cutting |
DE102021100379B4 (en) | 2021-01-12 | 2022-12-15 | Koenig & Bauer Ag | Device and method for preparing a machining tool |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3044083C2 (en) | 1980-11-24 | 1990-05-10 | Bobst S.A., Lausanne | Punching devices for automatic punching machines for punching sheets of paper, cardboard and the like. |
GB2163699B (en) | 1984-08-31 | 1988-04-13 | Bobst Sa | Press device and method |
US4759818A (en) * | 1985-09-17 | 1988-07-26 | Sakurai Hiroshi | Thermo-transfer printing equipment |
DE3907826A1 (en) * | 1989-03-10 | 1990-09-13 | Meurer Nonfood Product Gmbh | Process and apparatus for producing punching make-readies, in particular in the folding-box industry |
DE29713665U1 (en) * | 1997-07-31 | 1998-12-17 | Frimo-Huber Systemtechnik GmbH & Co, 83395 Freilassing | Device for thermally molding plastic films |
DE102004016735B3 (en) * | 2004-04-05 | 2005-12-22 | UAB Peer Industries | Tool heating device for deforming machine has heating element able to be fitted to deforming machine for preheating |
DE102007014313A1 (en) * | 2006-07-26 | 2008-08-14 | Heidelberger Druckmaschinen Ag | Sheet punching and embossing machine |
EP1882564B1 (en) * | 2006-07-26 | 2012-04-11 | Heidelberger Druckmaschinen AG | Sheet cutting and creasing press with adjustable cutting and creasing pressure |
JP2010012682A (en) * | 2008-07-03 | 2010-01-21 | Shisuko:Kk | Multi-heating/cooling system of mold |
DE202009008757U1 (en) * | 2008-12-18 | 2009-10-08 | Kama Gmbh | Tool for a sheet punching and embossing machine |
CN102481783A (en) * | 2009-08-26 | 2012-05-30 | 株式会社御牧工程 | Inkjet printer |
CN102350789A (en) * | 2011-07-25 | 2012-02-15 | 苏州宏远电子有限公司 | Processing die and processing method of MCPET plate |
CN202685538U (en) * | 2012-07-19 | 2013-01-23 | 李华容 | Integrated dual-channel digital printing equipment |
-
2013
- 2013-10-10 DE DE201310016755 patent/DE102013016755A1/en not_active Withdrawn
-
2014
- 2014-07-31 ES ES14179217T patent/ES2799413T3/en active Active
- 2014-07-31 EP EP14179217.6A patent/EP2862684B1/en active Active
- 2014-10-09 CN CN201410527936.XA patent/CN104552455B/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
DE102013016755A1 (en) | 2015-04-16 |
ES2799413T3 (en) | 2020-12-17 |
CN104552455A (en) | 2015-04-29 |
EP2862684A1 (en) | 2015-04-22 |
CN104552455B (en) | 2017-05-03 |
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