EP3946854B1 - Device for punching and perforating - Google Patents
Device for punching and perforating Download PDFInfo
- Publication number
- EP3946854B1 EP3946854B1 EP20722441.1A EP20722441A EP3946854B1 EP 3946854 B1 EP3946854 B1 EP 3946854B1 EP 20722441 A EP20722441 A EP 20722441A EP 3946854 B1 EP3946854 B1 EP 3946854B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- punching
- perforating
- perforation
- web
- tool
- 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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- 238000004080 punching Methods 0.000 title claims description 138
- 230000004913 activation Effects 0.000 claims description 14
- 230000009849 deactivation Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 8
- 230000000717 retained effect Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
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- 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
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/04—Perforating by punching, e.g. with relatively-reciprocating punch and bed with selectively-operable punches
-
- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- 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
- B26F1/24—Perforating by needles or pins
-
- 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
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D2005/002—Performing a pattern matching operation
-
- 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
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
- B26F2001/407—Cutting-out; Stamping-out using a press, e.g. of the ram type stepwise sequential punching processes
-
- 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
- B26F2001/4481—Cutters therefor; Dies therefor having special lateral or edge outlines or special surface shapes, e.g. apertures
Definitions
- the present invention relates to a punching/perforating machine for generating a predeterminable punching/perforation pattern in a material unit/web fed in the transport direction with a punching/perforating tool, with an upper tool part movable in a stroke direction with several arranged in a transverse direction in a predetermined grid Punching punches/perforating needles, which are movable via a pressure bar, which is in operative connection via a control device with a drive unit for generating a punching/perforating stroke, and a fixed lower tool part/die, whereby the material unit/web is fed between the upper tool part and the lower tool part.
- a punching machine with several punches, each interacting with a die, a drive device for the punch movements and a feed device for the cyclical further movement of the material to be punched through the punching machine.
- At least one of the punches preferably all punches, has its own drive that can be switched on and off and/or a coupling with the drive device that can be switched on and off.
- the punching machine also has a machine table with several receiving positions for one tool unit each.
- the tool unit has at least one die and at least one punch that can be acted upon by the drive device.
- the tool unit with the die and a punch that interacts with the die has its own switchable one Drive or a coupling device that can be switched on and off for the transmission of the punch driving force.
- a punching processing device for producing a punching pattern, comprising an upper die with a punch holder with a plurality of punches and with an underlying stripper plate with bores for receiving the ends of the punches projecting from the punch holder in such a way that they are extendable or retractable, and a lower die with Holes into which the ends of the punches enter during the punching process.
- Feed devices move a material unit inserted between the lower die and the stripper plate intermittently synchronously with the punching process.
- the punches are held in the punch holder so that they can move up and down, with the tops of heads of the punches being smooth or flush with the upper surface of the punch holder.
- Press heads are used with a head surface for pressing down the punch heads.
- a depression preventing stepped portion is movable by press head drive means such that either the head surface or the truncated portion is aligned with the respective punch head.
- the press head driving devices are controlled by a control circuit that generates binary coded machining data according to the punching pattern.
- a device for punching workpieces with an upper tool and a lower tool is described, the upper tool being movable relative to the lower tool, with a plurality of punches and adjusting elements assigned to them being arranged in the upper tool, which are between an actuating position in which the punches at a Movement of the upper tool relative to the lower tool machine the workpiece, and a non-actuating position in which the Punching punches do not process the workpiece when the upper tool moves relative to the lower tool
- the upper tool has a first, upper punch guide plate with holes for carrying out the punches and a second punch guide plate facing the lower tool with holes for carrying out the punches.
- a second punch guide plate of the upper tool facing the lower tool is part of a hold-down element, the friction of the punches within the bores of the hold-down element being higher than within the bores of the upper punch guide plates of the upper tool.
- German utility model DE 20 2017 103 498 U1 discloses a perforating machine with a machine table and a striking element that is movable relative thereto, with a perforating tool that is accommodated either on the machine table or on the striking element and to which a die is assigned on the other part, for perforating a material web that is between the perforating tool and the die in its Is driven in the longitudinal direction.
- means are provided for the simultaneous movement of the perforating tool and the die in the transverse direction to the material web.
- German utility model specification DE 20 2014 104 997 U1 A punch with several punches, the punch heads of which are mounted in a punch receiving plate, is described.
- the storage of the stamp heads in the stamp receiving plate is designed in such a way that an undercut results during the return stroke of the punch, with a drive element indirectly moving the stamp receiving plate.
- the punch has at least one locking element, which is assigned to at least one punch and is located between the drive element and the punch receiving plate.
- the locking element can be moved into two operating positions, with the locking element in a first operating position filling the space between the drive element and the punch head of the at least one punch and in a second operating position Locking element forms a free space above the stamp head of the at least one punch and wherein additionally the at least one punch is held at least in the second operating position of the locking element by a braking element.
- the distance between the punching punches/perforating needles is relatively large due to the chosen geometry, so that punching/perforation patterns with a small grid dimension cannot be produced.
- the number of needles in the known punching/perforating machines is therefore very limited per unit area.
- a punching / perforating machine which is equipped with the following features, namely a punching / perforating tool, with several punches / perforating needles arranged in a longitudinal direction in a predetermined grid, which have a pressure bar, which has a control device with a drive unit for generation a punching/perforation stroke is in operative connection transversely to the longitudinal direction, are movable, a control block for controlling/activating/deactivating the punch/perforating needles by the control device during the punching/perforating process and is characterized in that the punching/perforation tool and/or the control block is/are each designed as a separate assembly, each of which is arranged separately as a unit so that it can be releasably attached within the punching/perforating machine.
- the material unit/web is cut before each punching/perforating machine.
- Perforation stroke is fed cyclically in the transport direction and the punching or perforation is carried out, whereby the punches/perforating needles to be activated per stroke for the punching/perforating process can be individually activated or deactivated. Due to the intermittent feeding of the material unit/web, the possible perforation patterns are predetermined by the design specifications of this machine.
- the present invention is based on the task or technical problem of specifying a punching/perforating machine of the type mentioned at the beginning, which ensures a high degree of variability with regard to a possible punching/perforation pattern, guarantees high cycle rates, and is permanently reliable Function guaranteed and long service life possible.
- the punching/perforating machine is therefore characterized in that means for generating a simultaneous relative movement of the material unit/web to the punching/perforating tool are present in a predeterminable size both in the transport direction and in the transverse direction, so that the material unit/web can be positioned in an individually predetermined position relative to the perforating tool before each punching/perforation stroke.
- the material unit/web can be brought into any predeterminable position by means of the means for generating a simultaneous relative movement of the material unit/web before the perforating process, a wide variety of punching/perforation patterns can be created are made possible that are not possible with the previously known punching/perforating machines, while at the same time a high cycle rate and long-term reliable function can be guaranteed.
- a particularly preferred embodiment of the punching/perforating machine according to the invention is characterized in that the means have a first drive unit which causes the material unit/web to move in the transport direction and a second drive unit which causes the material unit/web to move in the transverse direction.
- a particularly advantageous development which ensures economical production while ensuring permanently reliable functionality and service life, is characterized in that the first drive unit and the second drive unit are each designed as a servo motor.
- a structurally particularly simple and reliably advantageous embodiment is characterized by the fact that the drive units are connected to the material unit/web via coupling members.
- An advantageous embodiment is characterized by the fact that there is a memory device in which the data for the geometry of the punching/perforation pattern is stored in terms of position and diameter, the control device is in communication connection with the memory device, the control device is connected to a control block of the punch/perforation pattern. Perforating needles for controlling/activating/deactivating the punch/perforating needles during the punching/perforating process are in operative connection, the control device is in communication connection with the means for generating a simultaneous relative movement of the material unit/web and the control device causes the corresponding activation of the means depending on the data stored in the storage device.
- a particularly advantageous embodiment is characterized in that the punching/perforation tool has punches/perforating needles with different diameters.
- a particularly advantageous design which enables high cycle times and at the same time enables an individual design of the punching/perforation pattern, is characterized by the fact that a control block is present which has piston-cylinder units, the movements of which during the punching/perforation stroke are controlled individually via the control device are controllable and are individually assigned to each punch/perforating needle, a locking slide, which is connected to a corresponding piston rod of the piston-cylinder unit, the locking slide being movable into an activation or deactivation position by the movement of the piston rod, the locking slide in the activation position directly or indirectly acts on the punch/perforating needle when executing the stroke, the locking slide in the deactivation position has no effect on the punch/perforating needle, so that in the activation position of the locking slide it acts on the punch/perforating needle during the stroke movement and a perforation is carried out and in the deactivation position of the locking slide, no punching/perforation of the material unit/web is effected.
- the piston-cylinder unit is double-acting Piston-cylinder unit is formed with a first pressure chamber and a second pressure chamber, wherein the first pressure chamber is permanently subjected to a first pressure via the control device, which causes the locking slide to be in the deactivation position or to be held and when punching or perforation is carried out
- the control device applies a second pressure to the second pressure chamber, which is greater than the first pressure, so that the locking slide extends into the activation position and thereby this movement is transmitted to the assigned punch/perforating needle during the lifting movement, so that a Punching or perforation of the material unit/web is carried out.
- Punching/perforating machine 10 shown very schematically, has an upper machine part 54 and a lower machine part 56.
- a pressure bar 36 is arranged on the upper side of the machine upper part 54, on which a drive unit 18 acts to generate a punching/perforation stroke H.
- Below the pressure bar 36 there is an upper tool part 12.1 of a punching/perforating tool 12, in which punching punches/perforating needles 16 are arranged.
- the locking slides 22 are designed to be extendable and retractable and are each assigned to a punch or a perforating needle 16. When extended - as in Fig. 1 shown - the associated punch/perforating needle 16 is activated, so that when the punching/perforation stroke H is carried out, a supplied material unit/web M is perforated.
- the lower machine part 56 has a lower tool part 12.2 of the punching/perforation tool 12 on the top side, in which the punch/perforation needle 16 is guided, for example.
- the material unit/web M is fed between the lower tool part 12.2 of the punching/perforation tool 12 and the base plate 62.
- the transport direction of the material unit/web M is in Fig. 1 marked with the reference symbol T.
- a storage device 40 in which all data relating to the geometry of the patterns to be perforated or punched in the material unit/web M are stored, such as the position and diameter of the perforation/punching recesses.
- the storage device 40 is in communication connection with a control device 30, the control device 30 controlling the punching/perforating machine 10 depending on the data stored in the storage device 40.
- the control device thus activates the drive unit 18 to activate the punching/perforation stroke H.
- the control device 30 is in communication connection with a first drive unit 70 and a second drive unit 72.
- the first drive unit 70 acts on the material unit/web M in such a way that when the first drive unit 70 is activated, the material unit/web M carries out a movement in the transport direction T in a predetermined size. Furthermore, the second drive unit 72 also acts on the material unit/web M, such that when the second drive unit 72 is activated, the material unit/web M undergoes a displacement in the transverse direction Q (see Fig. 2 ) in a given size.
- the activation of the displacement of the material unit/web M before each punching/perforation stroke H is caused by the control device 30, which, based on information retrieved from the memory device 40, determines the magnitude of the displacement of the material unit/web M in the transport direction T and/or in the transverse direction Q sets the respective punching/perforation stroke H.
- FIG. 3 Punching/perforating machine 10 shown schematically represents a constructive exemplary embodiment - also partly in strong Schematic representation - the punching/perforating machine 10 according to Fig. 1 and 2
- the same components have the same reference number and will not be explained again.
- the punching/perforating machine 10 has a punching/perforating tool 12 with an upper tool part 12.1, a lower tool part 12.2 and a control block 14.
- the control block 14 is connected to a pressure bar 36, that is to say inserted and centered in a control block guide groove 42 present on the pressure bar.
- the pressure bar 36 is moved up and down in the lifting direction H by a drive unit 18.
- Under the control block 14 is the corresponding upper tool part 12.1 of the punching/perforation tool 12, the grid for the perforating needles 16 is identical to that of the control block.
- the upper tool part 12.1 of the punching/perforation tool 12 has a needle holder 34 which is inserted into a needle holder guide groove 44 in the control block.
- the lower tool part 12.2 of the punching/perforation tool 12 with the matrices is centered by means of a centering pin, not shown.
- This lower tool part 12.2 of the punching/perforation tool 12 is also placed in a tool guide groove 46.
- spacer plate 60 on the needle holder 34, which on the one hand makes it easier to dismantle the punching/perforation tool 12 and on the other hand enables the use of other standard tools with the same tool profile but a different pitch.
- the open spacer plate 60 which is provided with grid holes, is replaced by a closed variant without grid holes.
- the perforating needles 16 are in a predetermined grid in the transverse direction Q, which is perpendicular to the plane of representation Fig. 3 runs arranged.
- the perforating needles 16 can be either activated or deactivated individually with each punching/perforation stroke H.
- This individual control is implemented in that a control device 30 is present, which is in communication connection with a storage device 40, in which the geometric data of the punching/perforation pattern to be created is stored on a material unit/web M supplied to the punching/perforation tool 12 are.
- the control device 30 is in communication connection with a valve device 26, the valve device 26 having valve units which are each individually in communication connection with piston-cylinder units arranged on the control block 14.
- the piston-cylinder units are designed as double-acting piston-cylinder units, with a cylinder 24, a piston 21 and a piston rod 20.
- a first pressure chamber 28 and a second pressure chamber 32 are present in each piston-cylinder unit.
- Each piston rod 20 is connected in its free end region to a locking slide 22, which can be moved from an activation position (extended state) and a deactivation position (retracted state) when the piston-cylinder unit is pressurized accordingly in the sliding direction S transversely to the stroke direction H. Furthermore, there is a first pressure accumulator 28.1 and a second pressure accumulator 32.1, which communicate with the valve device 26.
- the first pressure chamber 28 provides a pressure P1
- the second pressure chamber 32 provides a pressure P2 that is greater than the pressure P1.
- Each perforating needle 16 is assigned a locking slide 22 with an associated controllable piston-cylinder unit.
- the locking slide 22 is spaced from the upper head end of the perforating needle 16.
- Below the locking slide 22 is an extension profile 48 in the control block 14 in a corresponding guide, the extension profile 48 resting on the underside of the head of the associated perforating needle 16 and the upper end face of the extension profile 48 is arranged at the height level of the underside of the locking slide 22. In the extended state of the locking slide 22, it rests on the extension profile 48, so that when the lifting movement H of the control block 14 is carried out, the perforating needle 16 is moved downwards and triggers a perforation on the material unit/web M.
- the locking slide 22 has in its free end region a contour 52 which is inclined against the punching/perforation stroke direction H, which ensures that if the extension profile 48 or the perforating needle 16 has a protrusion upwards when the locking slide 22 is extended, the extension profile 48 protrudes downwards pushed and not sheared off or damaged. This ensures long-term, reliable functionality.
- the first pressure chamber 28 and second pressure chamber 32 are individually controlled as follows via the valve device 26 and the control device 30, taking into account the stored punching/perforation pattern data.
- the first pressure chamber 28 is permanently pressurized with the pressure P1 via the first pressure accumulator 28.1, that is, under the effect of the pressure P1, the locking slide 22 is in the retracted position Position so that when the punching/perforation stroke H is carried out, the associated perforating needle 16 does not perform any perforation.
- the control device 30 causes, via the valve device 26, that the second pressure chamber 32 is pressurized via the second pressure accumulator 32.1 with the pressure P2, which is greater than the permanently existing pressure P1 in the first pressure chamber 28, so that the locking slide 22 extends and when the punching/perforation stroke H is carried out, the associated perforating needle 16 in conjunction with the extension profile 48 carries out a punching/perforation stroke H and produces a perforation on the material unit/web M.
- Piston-cylinder units are therefore individually controlled on the control block 14 and are under a permanent first pressure P1, which essentially forms an air spring in the return stroke, with a piston rod 20 of the corresponding piston-cylinder unit for each perforating needle 16 to be controlled in the punching/perforating tool 12 is assigned, which is activated, that is extended, by applying the pressure P2.
- the extension profile 48 is arranged between the head of the individual perforating needles 16 and the locking slide 22.
- the extension profile 48 consists, for example, of a hardened round material with a reduced diameter, which rests loosely on the head of the perforating needle 16.
- the offset outer diameter prevents movement of the vertically installed extension profile 48 in the control block 14 when the tool is removed.
- the extension profile 48 is held in a fixed, defined position above the needle head by this shoulder.
- these mechanical extension profiles 48 are used in different lengths in the control block 14 and assigned to the locking slides 22 accordingly.
- the individual piston-cylinder units are present as special cylinders on both sides of the control block 14 and are individually controlled by control valves 26.
- These special cylinders are arranged within the machine, for example in housings 38, each with four piston-cylinder units, to protect them from damage or access.
- These housings 38 contain the complete electronic and pneumatic control (valve islands, pressure regulators, pressure monitoring, etc.).
- These housings 38 are connected to the valve device 26 with their individually assigned control valves by means of a coupling system designed for this purpose.
- the control valves of the valve device 26 can also be flexibly mounted on appropriate transport frames in order to transport them to use different punching machines. This means you don’t just have to rely on one work area.
- FIG. 3 A first drive unit 70 and a second drive unit 72 are still shown in highly schematic form. These two drive units 70, 72 are controlled and activated or deactivated by the control device 30 before each punching/perforation stroke H.
- the first drive unit 70 which is designed, for example, as a servo motor, is over in Fig. 3 Coupling links, not shown, are connected to the material unit/web M.
- the second drive unit 72 which is designed, for example, as a servo motor, is over in Fig. 3 Coupling elements, not shown, are also connected to the material unit/web M.
- the material unit/web When the first drive unit 70 is activated by the control device 30 depending on the data stored in the storage device 40, the material unit/web carries out my displacement in the transport direction T with the currently specified size.
- the material unit/web M When the second drive unit 72 is activated by the control device 30, the material unit/web M carries out a movement in the transverse direction Q in the currently specified size.
- the material unit/web M can be arranged individually for each punching/perforation stroke H relative to the punching/perforation tool 12 both in the transport direction T and in the transverse direction Q, almost any punching/perforation pattern can be generated.
- different hole diameters can also be created in a hole pattern 66.5 by means of perforating needles 16 of different diameters arranged in the punching/perforation tool 12 and by correspondingly moving the material unit/web M.
- the perforating needles with the appropriate diameter closest to the perforation position are determined and the material unit/web M is moved by the appropriate amount.
- any feeds in the transport direction T and in the transverse direction Q can be driven depending on the system by coupling the material unit/web M to the first and second drive units 70, 72.
- the perforation patterns 66.1, 66.2, 66.3 in the Figures 4b, c and d are the perforation patterns 66.1, 66.2, 66.3 in the Figures 4b, c and d . Only the corresponding files containing the information about the geometry of the punching/perforation pattern, in particular with regard to the position and size, need to be read into the storage device 40.
- the punching/perforation can also be carried out on a material web as rolled goods, in which case the complete transport of the material web to be perforated in the transport direction T and in the transverse direction Q is structurally designed accordingly in order to enable this displacement movement.
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
Die vorliegende Erfindung betrifft eine Stanz-/Perforiermaschine zur Erzeugung eines vorgebbaren Stanz-/Perforationsmusters in einer in Transportrichtung zugeführten Materialeinheit/-bahn mit einem Stanz-/Perforationswerkzeug, mit einem in einer Hubrichtung bewegbaren Werkzeugoberteil mit mehreren in einer Querrichtung in einem vorgegebenen Raster angeordneten Stanzstempeln/Perforiernadeln, die über einen Druckbalken, der über eine Steuereinrichtung mit einem Antriebsaggregat zur Erzeugung eines Stanz-/Perforationshubs in Wirkverbindung steht, bewegbar sind und einem feststehenden Werkzeugunterteil/Matrize, wobei die Materialeinheit/-bahn zwischen Werkzeugoberteil und Werkzeugunterteil zugeführt wird.The present invention relates to a punching/perforating machine for generating a predeterminable punching/perforation pattern in a material unit/web fed in the transport direction with a punching/perforating tool, with an upper tool part movable in a stroke direction with several arranged in a transverse direction in a predetermined grid Punching punches/perforating needles, which are movable via a pressure bar, which is in operative connection via a control device with a drive unit for generating a punching/perforating stroke, and a fixed lower tool part/die, whereby the material unit/web is fed between the upper tool part and the lower tool part.
Aus der
In der
In der deutschen Gebrauchsmusterschrift
Die deutsche Gebrauchsmusterschrift
In der deutschen Gebrauchsmusterschrift
Die Nadelanzahl bei den bekannten Stanz-/ Perforiermaschinen ist daher pro Flächeneinheit stark begrenzt.The number of needles in the known punching/perforating machines is therefore very limited per unit area.
Des Weiteren ist bezüglich der bekannten Stanz-/ Perforiermaschinen festzuhalten, dass die Taktzahl bezüglich der durchzuführenden Stanz-/ Perforationshübe aufgrund der mechanisch gewählten Konstruktionen relativ gering ist, was die Bearbeitungszeit im Produktionsprozess erhöht. Dies wirkt sich negativ auf den wirtschaftlichen Einsatz derartiger Stanz-/ Perforiermaschinen aus.Furthermore, with regard to the known punching/perforating machines, it should be noted that the number of cycles with regard to the punching/perforation strokes to be carried out is relatively low due to the mechanically selected constructions, which increases the processing time in the production process. This has a negative impact on the economic use of such punching/perforating machines.
Aus dem gattungsgebenden, deutschen Gebrauchsmuster
Ausgehend von dem genannten Stand der Technik liegt der vorliegenden Erfindung die Aufgabe beziehungsweise das technische Problem zugrunde, eine Stanz-/Perforiermaschine der eingangs genannten Art anzugeben, die eine hohe Variabilität bezüglich eines möglichen Stanz-/Perforationsmusters gewährleistet, hohe Taktzahlen garantiert, eine dauerhaft zuverlässige Funktion gewährleistet und hohe Standzeiten ermöglicht.Based on the stated prior art, the present invention is based on the task or technical problem of specifying a punching/perforating machine of the type mentioned at the beginning, which ensures a high degree of variability with regard to a possible punching/perforation pattern, guarantees high cycle rates, and is permanently reliable Function guaranteed and long service life possible.
Die erfindungsgemäße Stanz-/Perforiermaschine ist durch die Merkmale des unabhängigen Anspruchs 1 gegeben. Vorteilhafte Ausgestaltungen und Weiterbildungen sind Gegenstand der von dem unabhängigen Anspruch 1 direkt oder indirekt abhängigen Ansprüche.The punching/perforating machine according to the invention is given by the features of independent claim 1. Advantageous refinements and further developments are the subject of the claims that are directly or indirectly dependent on independent claim 1.
Die erfindungsgemäße Stanz-/Perforiermaschine zeichnet sich demgemäß dadurch aus, dass Mittel zum Erzeugen einer simultanen Relativbewegung der Materialeinheit/-bahn zum Stanz-/Perforationswerkzeug in einer vorgebbaren Größe sowohl in Transportrichtung als auch in Querrichtung vorhanden sind, so dass die Materialeinheit/- bahn vor jedem Stanz-/Perforationshub in einer individuellen vorgebbaren Position relativ zum Perforierwerkzeug positionierbar ist.The punching/perforating machine according to the invention is therefore characterized in that means for generating a simultaneous relative movement of the material unit/web to the punching/perforating tool are present in a predeterminable size both in the transport direction and in the transverse direction, so that the material unit/web can be positioned in an individually predetermined position relative to the perforating tool before each punching/perforation stroke.
Dadurch, dass durch die Mittel zur Erzeugung einer simultanen Relativbewegung der Materialeinheit/-bahn vor dem Perforiervorgang die Materialeinheit/-bahn in eine beliebige vorgebbare Position bringbar ist, können die unterschiedlichsten Stanz-/Perforationsmuster ermöglicht werden, die mit dem bisher bekannten Stanz-/Perforiermaschinen nicht möglich sind, wobei gleichzeitig eine hohe Taktzahl und eine dauerhaft zuverlässige Funktion gewährleistet werden kann.Because the material unit/web can be brought into any predeterminable position by means of the means for generating a simultaneous relative movement of the material unit/web before the perforating process, a wide variety of punching/perforation patterns can be created are made possible that are not possible with the previously known punching/perforating machines, while at the same time a high cycle rate and long-term reliable function can be guaranteed.
Im Gegensatz zu dem im Stand der Technik bekannten Maschinen wird nicht das Stanz-/Perforationswerkzeug verschoben, sondern lediglich die Materialeinheit/-bahn oder deren Aufnahmeeinheit, was deutlich geringere Kräfte benötigt, somit schnellere Taktzeiten ermöglicht und einem erhöhten Verschleiß entgegenwirkt.In contrast to the machines known in the prior art, it is not the punching/perforation tool that is moved, but only the material unit/web or its receiving unit, which requires significantly less force, thus enabling faster cycle times and counteracting increased wear.
Eine besonders bevorzugte Ausgestaltung der erfindungsgemäßen Stanz-/Perforiermaschine zeichnet sich dadurch aus, dass die Mittel ein erstes Antriebsaggregat aufweisen, das eine Bewegung der Materialeinheit/-bahn in Transportrichtung und ein zweites Antriebsaggregat, das die Bewegung der Materialeinheit/-bahn in Querrichtung bewirkt.A particularly preferred embodiment of the punching/perforating machine according to the invention is characterized in that the means have a first drive unit which causes the material unit/web to move in the transport direction and a second drive unit which causes the material unit/web to move in the transverse direction.
Eine besonders vorteilhafte Weiterbildung, die eine wirtschaftliche Herstellung bei Gewährleistung einer dauerhaft zuverlässigen Funktionalität und Standzeit gewährleistet, zeichnet sich dadurch aus, dass das erste Antriebsaggregat und das zweite Antriebsaggregat jeweils als Servomotor ausgebildet ist.A particularly advantageous development, which ensures economical production while ensuring permanently reliable functionality and service life, is characterized in that the first drive unit and the second drive unit are each designed as a servo motor.
Eine konstruktiv besonders einfache und zuverlässig vorteilhafte Ausgestaltung zeichnet sich dadurch aus, dass die Antriebsaggregate über Koppelglieder an die Materialeinheit/-bahn angeschlossen sind.A structurally particularly simple and reliably advantageous embodiment is characterized by the fact that the drive units are connected to the material unit/web via coupling members.
Eine vorteilhafte Ausgestaltung zeichnet sich dadurch aus, dass eine Speichereinrichtung vorhanden ist, in der die Daten für die Geometrie des Stanz-/Perforationsmusters bezüglich Position und Durchmesser abgelegt sind, die Steuereinrichtung mit der Speichereinrichtung in Kommunikationsverbindung steht, die Steuereinrichtung mit einem Steuerblock der Stanzstempel/Perforiernadeln zum Ansteuern/ Aktivieren/Deaktivieren der Stanzstempel/Perforiernadeln beim Stanz-/Perforiervorgang in Wirkverbindung steht, die Steuereinrichtung mit den Mitteln zum Erzeugen einer simultanen Relativbewegung der Materialeinheit/-bahn in Kommunikationsverbindung steht und die Steuereinrichtung in Abhängigkeit der in der Speichereinrichtung gespeicherten Daten die entsprechende Aktivierung der Mittel veranlasst.An advantageous embodiment is characterized by the fact that there is a memory device in which the data for the geometry of the punching/perforation pattern is stored in terms of position and diameter, the control device is in communication connection with the memory device, the control device is connected to a control block of the punch/perforation pattern. Perforating needles for controlling/activating/deactivating the punch/perforating needles during the punching/perforating process are in operative connection, the control device is in communication connection with the means for generating a simultaneous relative movement of the material unit/web and the control device causes the corresponding activation of the means depending on the data stored in the storage device.
Bezüglich der Vielfalt der Gestaltung der optischen Erscheinung des Stanz-/Perforationsmusters zeichnet sich eine besonders vorteilhafte Ausgestaltung dadurch aus, dass das Stanz-/Perforationswerkzeug Stanzstempel/Perforiernadeln mit unterschiedlichem Durchmesser aufweist.With regard to the diversity of the design of the optical appearance of the punching/perforation pattern, a particularly advantageous embodiment is characterized in that the punching/perforation tool has punches/perforating needles with different diameters.
Eine konstruktiv besonders vorteilhafte Ausgestaltung, die hohe Taktzeiten ermöglicht und gleichzeitig eine individuelle Ausgestaltung des Stanz-/Perforationsmusters ermöglicht, zeichnet sich dadurch aus, dass ein Steuerblock vorhanden ist, der Kolben-Zylindereinheiten aufweist, deren Bewegungen beim Stanz-/Perforationshub individuell über die Steuereinrichtung ansteuerbar sind und individuell jedem Stanzstempel/jeder Perforiernadel zugeordnet sind, einem Sperrschieber, der jeweils an eine entsprechende Kolbenstange der Kolben-Zylindereinheit angeschlossen ist, wobei der Sperrschieber durch die Bewegung der Kolbenstange in eine Aktivierungs- beziehungsweise Deaktivierungsposition verschiebbar ist, der Sperrschieber in Aktivierungsposition direkt oder indirekt auf den Stanzstempel/die Perforiernadel bei der Ausführung des Hubes einwirkt, der Sperrschieber in Deaktivierungsposition keine Wirkung auf den Stanzstempel/die Perforiernadel ausübt, so dass in Aktivierungsposition des Sperrschiebers dieser bei der Hubbewegung auf den Stanzstempel/Perforiernadel einwirkt und eine Perforation durchgeführt wird und in Deaktivierungsposition des Sperrschiebers keine Stanzung/Perforation der Materialeinheit/-bahn bewirkt wird.A particularly advantageous design, which enables high cycle times and at the same time enables an individual design of the punching/perforation pattern, is characterized by the fact that a control block is present which has piston-cylinder units, the movements of which during the punching/perforation stroke are controlled individually via the control device are controllable and are individually assigned to each punch/perforating needle, a locking slide, which is connected to a corresponding piston rod of the piston-cylinder unit, the locking slide being movable into an activation or deactivation position by the movement of the piston rod, the locking slide in the activation position directly or indirectly acts on the punch/perforating needle when executing the stroke, the locking slide in the deactivation position has no effect on the punch/perforating needle, so that in the activation position of the locking slide it acts on the punch/perforating needle during the stroke movement and a perforation is carried out and in the deactivation position of the locking slide, no punching/perforation of the material unit/web is effected.
Gemäß einer bevorzugten Weiterbildung hat es sich als besonders vorteilhaft herausgestellt, die Stanz-/Perforiermaschine so auszugestalten, dass die Kolben-Zylindereinheit als doppelt wirkende Kolben-Zylindereinheit mit einer ersten Druckkammer und einer zweiten Druckkammer ausgebildet ist, wobei die erste Druckkammer über die Steuereinrichtung permanent mit einem ersten Druck beaufschlagt wird, der bewirkt, dass der Sperrschieber sich in Deaktivierungsposition befindet beziehungsweise gehalten wird und bei Durchführung einer Stanzung beziehungsweise Perforation die Steuereinrichtung die zweite Druckkammer im Aktivierungsfall mit einem zweiten Druck beaufschlagt, der größer ist als der erste Druck, so dass der Sperrschieber in Aktivierungsposition ausfährt und dadurch bei der Hubbewegung diese Bewegung auf den/ die zugeordnete / n Stanzstempel/ Perforiernadel übertragen wird, so dass eine Stanzung beziehungsweise Perforation der Materialeinheit/-bahn durchgeführt wird.According to a preferred development, it has proven to be particularly advantageous to design the punching/perforating machine in such a way that the piston-cylinder unit is double-acting Piston-cylinder unit is formed with a first pressure chamber and a second pressure chamber, wherein the first pressure chamber is permanently subjected to a first pressure via the control device, which causes the locking slide to be in the deactivation position or to be held and when punching or perforation is carried out In the event of activation, the control device applies a second pressure to the second pressure chamber, which is greater than the first pressure, so that the locking slide extends into the activation position and thereby this movement is transmitted to the assigned punch/perforating needle during the lifting movement, so that a Punching or perforation of the material unit/web is carried out.
Systembedingt sind durch den mechanischen Aufbau von bekannten Stanz-/ Perforiermaschinen nur feste vorgegebene Raster bezüglich des Stanz-/ Perforationsmusters möglich. Dadurch, dass erfindungsgemäß die Materialeinheit-/bahn relativ zu dem Stanz-/ Perforationswerkzeug in unterschiedliche Richtungen positioniert werden kann, werden Möglichkeiten eröffnet, bisher nicht mögliche Perforationsmuster in der Praxis umzusetzen. Daraus ergibt sich ein nahezu unbegrenztes Darstellen vom designmäßig gewünschten Stanz-/ Perforationsmustern. Ausgehend von den bisher entwickelten Teilen zur Steuerung des Musters der Stanz-/ Perforiermaschine können die Mittel zum Durchführen der Bewegung der Materialeinheit/-bahn problemlos eingebunden werden. Dies trifft nicht nur auf einzelne zu perforierende Materialeinheiten/-bahnen zu, sondern auch beim Perforieren von Rollware, wobei erfindungsgemäß der komplette Transport des zu perforierenden Materials in Transportrichtung und in Querrichtung entsprechend durch die Mittel zum Bewegen in Verbindung mit der Steuereinrichtung und Speichereinrichtung umgesetzt wird. Des Weiteren besteht die Möglichkeit, durch Einsatz unterschiedlicher Stempel beziehungsweise Perforiernadeln mit unterschiedlichen Durchmessern im gleichen Arbeitsgang eine Stanzung vorzunehmen. Die Stempel/ Perforiernadeln unterschiedlichen Durchmessers werden lediglich entsprechend den Ansteuersignalen der Steuereinrichtung im Bezug auf das gewünschte Musterbild angesteuert beziehungsweise aktiviert.Due to the mechanical structure of known punching/perforating machines, only fixed predetermined grids are possible with regard to the punching/perforation pattern. The fact that, according to the invention, the material unit/web can be positioned in different directions relative to the punching/perforation tool opens up possibilities for implementing previously impossible perforation patterns in practice. This results in an almost unlimited representation of the punching/perforation patterns desired in terms of design. Based on the previously developed parts for controlling the pattern of the punching/perforating machine, the means for carrying out the movement of the material unit/web can be easily integrated. This applies not only to individual material units/webs to be perforated, but also when perforating rolled goods, whereby, according to the invention, the complete transport of the material to be perforated in the transport direction and in the transverse direction is implemented accordingly by the means for moving in connection with the control device and storage device . It is also possible to perform punching in the same operation by using different stamps or perforating needles with different diameters. The stamps/perforating needles have different diameters only controlled or activated in accordance with the control signals from the control device in relation to the desired pattern image.
Weitere Ausführungsformen und Vorteile der Erfindung ergeben sich durch die in den Ansprüchen ferner aufgeführten Merkmale sowie durch die nachstehend angegebenen Ausführungsbeispiele. Die Merkmale der Ansprüche können in beliebiger Weise miteinander kombiniert werden, insoweit sie sich nicht offensichtlich gegenseitig ausschließen.Further embodiments and advantages of the invention result from the features further listed in the claims and from the exemplary embodiments given below. The features of the claims can be combined with one another in any way, as long as they are not obviously mutually exclusive.
Die Erfindung sowie vorteilhafte Ausführungsformen und Weiterbildungen derselben werden im Folgenden anhand der in der Zeichnung dargestellten Beispiele näher beschrieben und erläutert. Die der Beschreibung und der Zeichnung zu entnehmenden Merkmale können einzeln für sich oder zu mehreren in beliebiger Kombination erfindungsgemäß angewandt werden. Es zeigen:
- Fig. 1
- stark schematisierte Darstellung einer Stanz-/Perforiermaschine mit Mitteln zum Verschieben der Materialeinheit/ -bahn in Transport- und/oder Querrichtung in einer Ansicht in Querrichtung gesehen,
- Fig. 2
- stark schematisierte Darstellung einer Stanz-/Perforiermaschine gemäß
Fig. 1 in einer Ansicht in Transportrichtung gesehen, - Fig. 3
- stark schematisierte Darstellung einer Stanz-/Perforiermaschine gemäß
Fig. 1 mit zusätzlich dargestellten konstruktiven Details, - Fig. 4a-d
- schematisierte Darstellung von möglichen Stanz-/ Perforationsmustem unter Einsatz einer Stanz-/Perforiermaschine gemäß den
Figuren 1 bis 3 und - Fig. 5
- schematische Darstellung eines Perforationsmusters unter Einsatz einer Stanz-/Perforiermaschine gemäß den
Figuren 1 bis 3 , die Stanzstempel/Perforiernadeln mit unterschiedlichem Lochdurchmesser aufweist.
- Fig. 1
- highly schematic representation of a punching/perforating machine with means for moving the material unit/web in the transport and/or transverse direction seen in a view in the transverse direction,
- Fig. 2
- highly schematic representation of a punching/perforating machine
Fig. 1 seen in a view in the direction of transport, - Fig. 3
- highly schematic representation of a punching/perforating machine
Fig. 1 with additional construction details shown, - Fig. 4a-d
- Schematic representation of possible punching/perforation patterns using a punching/perforating machine according to
Figures 1 to 3 and - Fig. 5
- Schematic representation of a perforation pattern using a punching/perforating machine according to
Figures 1 to 3 , which has punches/perforating needles with different hole diameters.
Eine als ein Ausführungsbeispiel in den
Zwischen dem Druckbalken 36 und dem Stanz-/Perforationswerkzeug 12 sind Sperrschieber 22 vorhanden, die an einen Steuerblock 14 angeschlossen sind. Die Sperrschieber 22 sind aus- und einfahrbar ausgebildet und jeweils einem Stanzstempel beziehungsweise einer Perforiernadel 16 zugeordnet. Im ausgefahrenen Zustand - wie in
Das Maschinenunterteil 56 weist oberseitig ein Werkzeugunterteil 12.2 des Stanz-/Perforationswerkzeugs 12 auf, in dem der Stanzstempel/ die Perforationsnadel 16 beispielsweise geführt sind. Beabstandet unterseitig ist eine Basisplatte 62 vorhanden. Die Materialeinheit/-bahn M wird zwischen dem Werkzeugunterteil 12.2 des Stanz-/ Perforationswerkzeugs 12 und der Basisplatte 62 zugeführt. Die Transportrichtung der Materialeinheit/-bahn M ist in
Weiterhin ist eine Speichereinrichtung 40 vorhanden, in der sämtliche Daten betreffend die Geometrie des zu perforierenden beziehungsweise zu stanzenden Mustern in der Materialeinheit/-bahn M abgelegt sind, wie beispielsweise Position und Durchmesser der Perforations-/ Stanzausnehmungen. Die Speichereinrichtung 40 steht mit einer Steuereinrichtung 30 in Kommunikationsverbindung, wobei die Steuereinrichtung 30 in Abhängigkeit der in der Speichereinrichtung 40 gespeicherten Daten die Stanz-/Perforiermaschine 10 ansteuert. So aktiviert die Steuereinrichtung das Antriebsaggregat 18 zur Aktivierung des Stanz-/Perforationshubs H. Weiterhin steht die Steuereinrichtung 30 mit einem ersten Antriebsaggregat 70 und einem zweiten Antriebsaggregat 72 in Kommunikationsverbindung. Das erste Antriebsaggregat 70 wirkt auf die Materialeinheit/-bahn M ein, derart, dass bei Aktivierung des ersten Antriebsaggregats 70 die Materialeinheit/-bahn M eine Bewegung in Transportrichtung T in einer vorgegebenen Größe durchführt. Weiterhin wirkt das zweite Antriebsaggregat 72 auch auf die Materialeinheit/-bahn M ein, derart, dass bei Aktivierung des zweiten Antriebsaggregats 72 die Materialeinheit/-bahn M eine Verschiebung in Querrichtung Q (siehe
Die in
Die Stanz-/Perforiermaschine 10 weist ein Stanz-/Perforationswerkzeug 12 mit einem Werkzeugoberteil 12.1, ein Werkzeugunterteil 12.2 und einen Steuerblock 14 auf. In der durch Servohydraulik angetriebene Stanz-/Perforiermaschine 10 ist der Steuerblock 14 mit einem Druckbalken 36 verbunden, das heißt in einer an dem Druckbalken vorhandenen Steuerblockführungsnut 42 eingeführt und zentriert. Der Druckbalken 36 wird durch ein Antriebsaggregat 18 in Hubrichtung H auf und ab bewegt. Unter dem Steuerblock 14 befindet sich das entsprechende Werkzeugoberteil 12.1 des Stanz-/Perforationswerkzeugs 12, dessen Rasterung für die Perforiernadeln 16 mit der des Steuerblocks identisch ist. Das Werkzeugoberteil 12.1 des Stanz-/ Perforationswerkzeugs 12 weist einen Nadelhalter 34 auf, der in einer Nadelhalterführungsnut 44 im Steuerblock eingeführt ist. Das Werkzeugunterteil 12.2 des Stanz-/Perforationswerkzeugs 12 mit den Matrizen wird mittels eines nicht näher dargestellten Zentrierstifts zentriert. Auch dieses Werkzeugunterteil 12.2 des Stanz-/ Perforationswerkzeugs 12 wird in einer Werkzeugführungsnut 46 platziert. Der Nadelhalter 34 bildet zusammen mit der Nadelführung, die fest mit dem Stanz-/Perforationswerkzeug 12 verbunden ist, eine Einheit, nämlich das Stanz-/Perforationswerkzeug 12.The punching/perforating
Auf den Nadelhalter 34 befindet sich ein Distanzblech 60, welches zum Einen die Demontage des Stanz-/Perforationswerkzeugs 12 erleichtert und zum Anderen den Einsatz weiterer Standardwerkzeuge mit gleichem Werkzeugprofil aber anderer Teilung ermöglicht. Hierbei wird das offene Distanzblech 60, das mit Rasterbohrungen versehen ist, durch eine geschlossene Variante ohne Rasterbohrungen ersetzt.There is a spacer plate 60 on the needle holder 34, which on the one hand makes it easier to dismantle the punching/perforation tool 12 and on the other hand enables the use of other standard tools with the same tool profile but a different pitch. Here, the open spacer plate 60, which is provided with grid holes, is replaced by a closed variant without grid holes.
Die Perforiernadeln 16 sind in einem vorgegebenen Raster in Querrichtung Q, die senkrecht zur Darstellungsebene von
Die Steuereinrichtung 30 steht mit einer Ventileinrichtung 26 in Kommunikationsverbindung, wobei die Ventileinrichtung 26 Ventileinheiten aufweist, die jeweils individuell mit an dem Steuerblock 14 angeordneten Kolben-Zylindereinheiten in Kommunikationsverbindung stehen. Die Kolben-Zylindereinheiten sind als doppelt wirkende Kolben-Zylindereinheiten ausgebildet, mit einem Zylinder 24, einem Kolben 21 und einer Kolbenstange 20. In jeder Kolben-Zylindereinheit ist eine erste Druckkammer 28 und eine zweite Druckkammer 32 vorhanden.The
Jede Kolbenstange 20 ist in ihrem freien Endbereich an einen Sperrschieber 22 angeschlossen, der von einer Aktivierungsposition (ausgefahrener Zustand) und einer Deaktivierungsposition (eingefahrener Zustand) bei entsprechender Druckbeaufschlagung der Kolben-Zylindereinheit in Schieberichtung S quer zur Hubrichtung H verschiebbar ist. Weiterhin ist ein erster Druckspeicher 28.1 und ein zweiter Druckspeicher 32.1 vorhanden, die mit der Ventileinrichtung 26 kommunizieren. Die erste Druckkammer 28 stellt einen Druck P1 zur Verfügung, und die zweite Druckkammer 32 stellt einen Druck P2 zur Verfügung, der größer ist als der Druck P1.Each piston rod 20 is connected in its free end region to a locking
Jeder Perforiernadel 16 ist ein Sperrschieber 22 mit zugehöriger ansteuerbarer Kolben-Zylindereinheit zugeordnet. Der Sperrschieber 22 ist beabstandet zum oberen Kopfende der Perforiernadel 16 vorhanden. Unterhalb des Sperrschiebers 22 ist ein Verlängerungsprofil 48 im Steuerblock 14 in einer entsprechenden Führung vorhanden, wobei das Verlängerungsprofil 48 unterseitig auf dem Kopf der zugeordneten Perforiernadel 16 anliegt und die obere Stirnseite des Verlängerungsprofils 48 auf dem Höhenniveau der Unterseite des Sperrschiebers 22 angeordnet ist. Im ausgefahrenen Zustand des Sperrschiebers 22 liegt dieser auf dem Verlängerungsprofil 48 auf, so dass bei Durchführung der Hubbewegung H des Steuerblocks 14 die Perforiernadel 16 nach unten bewegt wird und eine Perforation an der Materialeinheit/-bahn M auslöst.Each perforating
Bei eingefahrenen Sperrschieber 22 ist kein Kontakt zwischen Verlängerungsprofil 48 und Sperrschieber 22 vorhanden, da die Unterseite des Sperrschiebers 22 neben der Unterseite des Verlängerungsprofils 48 vorhanden ist. Wird in der eingefahrenen Position des Sperrschiebers 22 ein Stanz-/Perforationshub durchgeführt, so wird das Verlängerungsprofil 48 nicht von dem Sperrschieber 22 bewegungsmäßig beaufschlagt, so dass die zugeordnete Perforiernadel 16 keine Perforation durchführt.When the locking
Der Sperrschieber 22 weist in seinem freien Endbereich eine gegen die Stanz-/Perforationshubrichtung H geneigt verlaufende Kontur 52 auf, die gewährleistet, dass falls beim Ausfahren des Sperrschiebers 22 das Verlängerungsprofil 48 beziehungsweise die Perforiernadel 16 einen Überstand nach oben aufweist, das Verlängerungsprofil 48 nach unten geschoben und nicht abgeschert beziehungsweise beschädigt wird. Dadurch ist eine dauerhaft zuverlässige Funktionalität gewährleistet.The locking
Beim Betrieb der Stanz-/Perforiermaschine werden die erste Drucckammer 28 und zweite Druckkammer 32 über die Ventileinrichtung 26 und die Steuereinrichtung 30 unter Berücksichtigung der gespeicherten Stanz-/Perforationsmusterdaten wie folgt individuell angesteuert. Die erste Druckkammer 28 wird über den ersten Druckspeicher 28.1 mit dem Druck P1 permanent beaufschlagt, das heißt unter der Wirkung des Drucks P1 befindet sich der Sperrschieber 22 in der eingefahrenen Position, so dass bei Durchführung des Stanz-/Perforationshubs H die zugeordnete Perforiernadel 16 keine Perforation durchführt.When operating the punching/perforating machine, the
Ist eine Perforiernadel 16 bei einem Stanz-/Perforationshub H zu Aktivieren, veranlasst die Steuereinrichtung 30 über die Ventileinrichtung 26, dass die zweite Druckkammer 32 über den zweiten Druckspeicher 32.1 mit dem Druck P2 beaufschlagt wird, der größer ist als der permanent anstehende Druck P1 in der ersten Druckkammer 28, so dass der Sperrschieber 22 ausfährt und bei Durchführung des Stanz-/Perforationshubs H die zugeordnete Perforiernadel 16 in Verbindung mit dem Verlängerungsprofil 48 einen Stanz-/Perforationshub H durchführt und eine Perforation auf der Materialeinheit/-bahn M herstellt.If a perforating
An dem Steuerblock 14 sind somit individuell angesteuerte und unter einem permanenten ersten Druck P1 stehende, der quasi eine Luftfeder im Rückhub bildet, Kolben-Zylindereinheiten vorhanden, wobei für jede anzusteuernde Perforiernadel 16 im Stanz-/Perforationswerkzeug 12 eine Kolbenstange 20 der entsprechenden Kolben-Zylindereinheit zugeordnet ist, die durch Beaufschlagung mit dem Druck P2 aktiviert, das heißt ausgefahren, wird.Piston-cylinder units are therefore individually controlled on the
Durch den voneinander getrennten Aufbau von Steuerblock 14 und Stanz-/Perforationswerkzeug 12 in Verbindung mit den in Hubrichtung H und in Querrichtung Q versetzt innerhalb eines Gehäuses 38 angeordneten Kolben-Zylinderaggregaten, ist es möglich, einen minimalen Abstand bezüglich des Rastermaßes zwischen den Perforiernadeln 16 im Werkzeug 12 zu erreichen, welcher beispielsweise einer Standardperforation im Automobilbau entspricht. Daraus kann beispielsweise eine maximale Nadelanzahl von 1024 Nadeln auf einer Perforationsbreite von 1,9456 mm erreicht werden.Due to the separate structure of the
Diese hohe Nadelanzahl pro Flächeneinheit kann bei den bekannten Systemen nicht erreicht werden.This high number of needles per unit area cannot be achieved with the known systems.
Wie bereits oben beschrieben, wird zwischen dem Kopf der einzelnen Perforiernadeln 16 und Sperrschieber 22 das Verlängerungsprofil 48 angeordnet. Das Verlängerungsprofil 48 besteht beispielsweise aus einem gehärteten und im Durchmesser abgesetzten Rundmaterial, welches lose auf dem Kopf der Perforiernadel 16 aufliegt. Durch den abgesetzten Außendurchmesser wird eine Bewegung des senkrecht eingebauten Verlängerungsprofil 48 im Steuerblock 14 beim Einbeziehungsweise Ausbau des Werkzeugs verhindert. Gleichzeitig wird das Verlängerungsprofil 48 durch diesen Absatz in einer fix definierten Position über dem Nadelkopf gehalten.As already described above, the
Um die Differenz zwischen dem vorgegebenen Nadeldurchmesser beziehungsweise Nadelabstand und dem zwangsläufig breiteren Sperrschieber 22 mit der dazugehörigen Kolbenstange 20 auszugleichen, werden diese mechanischen Verlängerungsprofile 48 in unterschiedlichen Längen im Steuerblock 14 eingesetzt und den Sperrschiebern 22 entsprechend zugeordnet.In order to compensate for the difference between the specified needle diameter or needle spacing and the inevitably
Die einzelnen Kolben-Zylindereinheiten sind als Spezialzylinder am Steuerblock 14 beidseitig vorhanden und werden von Steuerventilen 26 individuell angesteuert. Diese Spezialzylinder sind innerhalb der Maschine beispielsweise in Gehäusen 38 mit jeweils vier Kolben-Zylindereinheiten angeordnet, um sie vor Beschädigungen oder Zugriff zu schützen. Diese Gehäuse 38 beinhalten die komplette elektronische und pneumatische Ansteuerung (Ventilinseln, Druckregler, Druck-überwachung etc.). Diese Gehäuse 38 werden mittels eines dafür konstruierten Kopplungssystem mit der Ventileinrichtung 26 mit ihren individuell zugeordneten Steuerventilen verbunden. Alternativ können die Steuerventile der Ventileinrichtung 26 aber auch flexibel auf entsprechenden Transportgestellen montiert werden, um diese an verschiedenen Stanzmaschinen einzusetzen. Dadurch ist man nicht nur auf einen Arbeitsbereich angewiesen.The individual piston-cylinder units are present as special cylinders on both sides of the
Durch den dauerhaft anstehenden Gegendruck P1 im Rückhub der Kolbenstange 20 der Kolben-Zylindereinheiten kann die Schaltzeit zwischen den Stanzungen stark reduziert werden. Daraus ergibt sich eine wesentlich höhere Taktzahl (zum Beispiel 160 bis 180 pro Minute) der Stanzeinheit im Vergleich zu den bekannten Stanz-/Perforiermaschinen.Due to the permanent counter pressure P1 in the return stroke of the piston rod 20 of the piston-cylinder units, the switching time between the punches can be greatly reduced. This results in a significantly higher cycle rate (for example 160 to 180 per minute) of the punching unit compared to the known punching/perforating machines.
Weiterhin ist in
Dadurch, dass die Materialeinheit/-bahn M sowohl in Transportrichtung T als auch in Querrichtung Q individuell für jeden Stanz-/ Perforationshub H relativ zu dem Stanz-/Perforationswerkzeug 12 angeordnet werden kann, können nahezu beliebige Stanz-/ Perforationsmuster erzeugt werden.Because the material unit/web M can be arranged individually for each punching/perforation stroke H relative to the punching/perforation tool 12 both in the transport direction T and in the transverse direction Q, almost any punching/perforation pattern can be generated.
In den
Wie in
Durch den beispielhaft beschriebenen mechanischen Aufbau des Stanz-/Perforationswerkzeug 12 können systembedingt beliebige Vorschübe in Transportrichtung T und in Querrichtung Q durch Kopplung der Materialeinheit/-bahn M an die ersten und zweiten Antriebsaggregate 70, 72 gefahren werden. Dadurch besteht unter anderem die Möglichkeit, auch bogen- und kreisförmige Konturen 66.4 herzustellen (siehe beispielsweise
Claims (8)
- A punching/perforating machine (10) for generating a predefinable punching/perforation pattern in a material unit/web (M) supplied in a transport direction (T), comprising- a punching/perforation tool (12) having-- a tool upper part (12.1), which is movable in a stroke direction (H) and which has a plurality of stamping punches/perforating needles (16) which are arranged in a predefined grid in a transverse direction (Q) and which are movable by means of a pressure beam (36) which is operatively connected via a control device (30) to a drive unit (18) for generating a punching/perforation stroke (H), and-- a stationary tool lower part (12.2)/female die,- wherein the material unit/web (M) is supplied between the tool upper part (12.1) and the tool lower part (12.2),- characterized in that- means (70, 72) for generating a simultaneous relative movement of the material unit/web (M) relative to the punching/perforation tool (12) to a predefinable extent both in the transport direction (T) and in the transverse direction (Q) are present, such that the material unit/web (M) is positionable, prior to each punching/perforation stroke (H), in an individual predefinable position relative to the punching/perforation tool (12).
- The punching/perforating machine as claimed in claim 1,- characterized in that- the means (70, 72) comprise a first drive unit (70), which brings about a movement of the material unit/web (M) in the transport direction (T), and a second drive unit (72), which brings about the movement of the material unit/web (M) in the transverse direction.
- The punching/perforating machine as claimed in claim 2,- characterized in that- the first drive unit (70) and the second drive unit (72) are each formed as a servomotor.
- The punching/perforating machine as claimed in claim 2 or 3,- characterized in that- the drive units (70, 72) are connected via coupling members to the material unit/web (M).
- The punching/perforating machine as claimed in one of the preceding claims,- characterized in that- a memory device (40) is present, in which the data for the geometry of the punching/perforation pattern with respect to position and diameter is stored,- the control device (30) is communicatively connected to the memory device (40),- the control device (30) is operatively connected to a control block (14) of the stamping punches/perforating needles (16) for actuation/activation/deactivation of the stamping punches/perforating needles (16) during the punching/perforating operation,- the control device (30) is communicatively connected to the means (70, 72) for generating a simultaneous relative movement of the material unit/web (M) and- the control device (30) initiates the corresponding activation of the means (70, 72) in dependence on the data stored in the memory device (40) .
- The punching/perforating machine as claimed in one of the preceding claims,- characterized in that- the punching/perforation tool (12) comprises stamping punches/perforating needles (16) having different diameters.
- The punching/perforating machine as claimed in one of the preceding claims,- characterized in that- a control block (14) is present, which comprises piston-cylinder units whose movements during the punching/perforation stroke are individually actuable via the control device (30) and are individually assigned to each stamping punch/each perforating needle (16),- a blocking slide (22), which is connected in each case to a corresponding piston rod (20) of the piston-cylinder unit, wherein the blocking slide (22) is displaceable into an activation or deactivation position by the movement of the piston rod (20),-- in the activation position, the blocking slide acts directly or indirectly on the stamping punch/the perforating needle (16) during the execution of the stroke (H),-- in the deactivation position, the blocking slide does not exert any action on the stamping punch/the perforating needle (16),-- such that, in the activation position of the blocking slide (22), the latter acts on the stamping punch/perforating needle (16) during the stroke movement (H) and a perforation is carried out and, in the deactivation position of the blocking slide, no punching/perforation of the material unit/web (M) is effected.
- The punching/perforating machine as claimed in claim 7,- characterized in that- the piston-cylinder unit is formed as a double-acting piston-cylinder unit having a first pressure chamber (28) and a second pressure chamber (32), wherein a first pressure (P1) is applied permanently to the first pressure chamber (28) via the control device (30) and has the effect that the blocking slide (22) is located or retained in the deactivation position and, when carrying out punching or perforation, the control device (30) applies a second pressure (P2), which is higher than the first pressure (P1), to the second pressure chamber (32) when activated, such that the blocking slide (22) moves out into the activation position and, as a result, during the stroke movement (H), this movement is transmitted to the associated stamping punch/perforating needle, such that punching or perforation of the material unit/web (M) is carried out.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HRP20240518TT HRP20240518T1 (en) | 2019-04-05 | 2020-04-01 | Device for punching and perforating |
RS20240557A RS65523B1 (en) | 2019-04-05 | 2020-04-01 | Device for punching and perforating |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202019001573.6U DE202019001573U1 (en) | 2019-04-05 | 2019-04-05 | Punching / perforating |
PCT/DE2020/000072 WO2020200346A1 (en) | 2019-04-05 | 2020-04-01 | Punching/perforation machine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3946854A1 EP3946854A1 (en) | 2022-02-09 |
EP3946854C0 EP3946854C0 (en) | 2024-02-21 |
EP3946854B1 true EP3946854B1 (en) | 2024-02-21 |
Family
ID=66995689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20722441.1A Active EP3946854B1 (en) | 2019-04-05 | 2020-04-01 | Device for punching and perforating |
Country Status (10)
Country | Link |
---|---|
US (1) | US11787076B2 (en) |
EP (1) | EP3946854B1 (en) |
DE (2) | DE202019001573U1 (en) |
HR (1) | HRP20240518T1 (en) |
HU (1) | HUE066243T2 (en) |
MA (1) | MA55535A (en) |
MX (1) | MX2021012203A (en) |
PL (1) | PL3946854T3 (en) |
RS (1) | RS65523B1 (en) |
WO (1) | WO2020200346A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202019000468U1 (en) * | 2019-02-01 | 2019-02-22 | WISTA Werkzeugfertigungs-GmbH | Punching / perforating |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US3237242A (en) * | 1963-05-15 | 1966-03-01 | Nat Cleveland Corp | Roll-fed thermoforming machine |
DE3339503C2 (en) | 1983-10-31 | 1985-09-05 | Dietz NC-Werkzeugsysteme, 8374 Viechtach | Punching machine and tool kit for punching machines |
US5204913A (en) * | 1987-09-16 | 1993-04-20 | Juki Corporation | Pattern processing system |
JPH0813387B2 (en) * | 1990-11-08 | 1996-02-14 | 株式会社三協マニテック | Punching board punching machine |
EP0605802B1 (en) * | 1992-12-07 | 1997-04-16 | Fuji Photo Film Co., Ltd. | Perforator |
JP3663367B2 (en) * | 2001-05-30 | 2005-06-22 | Uht株式会社 | Drilling device for workpiece having flexibility |
US7065478B2 (en) * | 2001-12-31 | 2006-06-20 | Ugs Corp. | Computer-aided progressive die design system and method |
DE10225512C1 (en) * | 2002-06-10 | 2003-07-17 | Duerkopp Adler Ag | Buttonhole sewing machine has a cutter drive, to move the blade and block in relation to each other with a variable cutting force, through a number of selective pneumatic linear drives switched in parallel |
DE10304821B3 (en) * | 2003-02-06 | 2004-02-26 | Dürkopp Adler AG | Buttonhole sewing machine has a buttonhole cutter, with a single blade at the base plate, and an adjustable cutting block moved by a motor and slide to cut a variety of buttonhole openings |
DE202005010990U1 (en) | 2005-07-11 | 2005-09-22 | Großmann, Hans, Dipl.-Ing.(FH) | Stamping and/or deforming device for workpieces has second stamp guide plate of upper tool in form of holding-down element |
JP6084883B2 (en) * | 2013-04-08 | 2017-02-22 | 株式会社ディスコ | Method for dividing circular plate |
DE102014105266B4 (en) | 2014-04-14 | 2018-11-15 | Ring Besitz GmbH & Co. KG | punch |
DE202017103498U1 (en) | 2017-06-12 | 2017-07-06 | Ring Maschinenbau GmbH | perforating |
JP6517452B1 (en) * | 2018-04-16 | 2019-05-22 | 有限会社冨樫製作所 | Punching device |
DE202019000468U1 (en) | 2019-02-01 | 2019-02-22 | WISTA Werkzeugfertigungs-GmbH | Punching / perforating |
-
2019
- 2019-04-05 DE DE202019001573.6U patent/DE202019001573U1/en active Active
-
2020
- 2020-04-01 HR HRP20240518TT patent/HRP20240518T1/en unknown
- 2020-04-01 RS RS20240557A patent/RS65523B1/en unknown
- 2020-04-01 DE DE112020001750.8T patent/DE112020001750A5/en active Pending
- 2020-04-01 MA MA055535A patent/MA55535A/en unknown
- 2020-04-01 WO PCT/DE2020/000072 patent/WO2020200346A1/en active Application Filing
- 2020-04-01 US US17/601,124 patent/US11787076B2/en active Active
- 2020-04-01 HU HUE20722441A patent/HUE066243T2/en unknown
- 2020-04-01 PL PL20722441.1T patent/PL3946854T3/en unknown
- 2020-04-01 MX MX2021012203A patent/MX2021012203A/en unknown
- 2020-04-01 EP EP20722441.1A patent/EP3946854B1/en active Active
Also Published As
Publication number | Publication date |
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MA55535A (en) | 2022-02-09 |
US11787076B2 (en) | 2023-10-17 |
WO2020200346A1 (en) | 2020-10-08 |
HRP20240518T1 (en) | 2024-07-05 |
EP3946854C0 (en) | 2024-02-21 |
DE112020001750A5 (en) | 2021-12-16 |
EP3946854A1 (en) | 2022-02-09 |
US20220111545A1 (en) | 2022-04-14 |
DE202019001573U1 (en) | 2019-06-03 |
PL3946854T3 (en) | 2024-06-24 |
MX2021012203A (en) | 2022-01-04 |
HUE066243T2 (en) | 2024-07-28 |
RS65523B1 (en) | 2024-06-28 |
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