EP1534501A1 - Machine de traitement de feuilles avec des decoupes ou des plis transversaux a leur direction d avancement. - Google Patents
Machine de traitement de feuilles avec des decoupes ou des plis transversaux a leur direction d avancement.Info
- Publication number
- EP1534501A1 EP1534501A1 EP03757117A EP03757117A EP1534501A1 EP 1534501 A1 EP1534501 A1 EP 1534501A1 EP 03757117 A EP03757117 A EP 03757117A EP 03757117 A EP03757117 A EP 03757117A EP 1534501 A1 EP1534501 A1 EP 1534501A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- sheet
- counter
- drive
- working
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B26D7/20—Cutting beds
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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
- B26D7/20—Cutting beds
- B26D2007/202—Rollers or cylinders being pivoted during operation
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- 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
- B31B50/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4795—Rotary tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4795—Rotary tool
- Y10T83/483—With cooperating rotary cutter or backup
- Y10T83/4838—With anvil backup
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/525—Operation controlled by detector means responsive to work
- Y10T83/533—With photo-electric work-sensing means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
Definitions
- Sheet processing machine with cuts or folds transverse to their direction of advance
- the present invention relates to a sheet processing machine for the manufacture of packages made of materials such as cardboard or plastic, comprising drive means capable of driving sheets in a drive direction at a drive speed substantially constant through a treatment zone located between the inlet and the outlet of the machine and treatment means comprising a tool and a counter-tool respectively carried by a first and by a second rotary load-bearing shaft which extend transversely to the drive direction being arranged opposite one another on either side of the path of the sheets, said processing means being intended to make in these sheets cutouts and / or folds arranged transversely to the driving direction.
- a sheet processing machine of this type is known from PCT patent application WO 02/02305, filed by the applicant company.
- This prior patent application is concerned with controlling the rotation of the tool-carrying shaft, which is operated so that, when the processing means cooperate with a sheet to make the cutouts in the latter. or folds transverse to the drive direction, the tangential speed of the tooling is equal to the speed of drive of the sheet in the machine.
- Corrugated cardboard has at least two layers of paper or cardboard between which is disposed at least one corrugated whose corrugations form the aforementioned grooves.
- these sheets may include a bottom or cover paper layer, a first corrugated, an intermediate paper layer, a second corrugated and an upper or inner paper layer.
- the cutting or the repression is carried out by first making the tooling cooperate with the upper layer of paper, the folds can form on the lower layer of paper.
- the object of the present invention is to remedy these drawbacks or at least limit their intensity.
- the counter-tool has a substantially cylindrical surface having at least one working strip which extends parallel to the axis of the second carrier shaft and which is radially offset from the portions of said surface. which are adjacent to this strip, said working strip being intended to cooperate with the tooling to form a cut or fold in a sheet and to the fact that the first and second load-bearing shafts are each driven by a motor, the motor of the second carrier shaft being controlled as a slave relative to the motor of the first shaft.
- the sheet is pinched between the tooling and the counter-tooling.
- its upper and lower layers are respectively on the side of the tooling and that of the counter-tooling.
- the applicant company has found that, with conventional counter-tools having a perfectly cylindrical surface, the sheet tends to be crushed on the counter-tool by the tool.
- the penetration of the tool into the thickness of the sheet first deforms the upper layer of paper, which is brought closer to the outer layer of paper due to the local crushing of the wavy or corrugations which are located between these layers.
- the upper layer is therefore stretched to approach the lower sheet, while the latter is not and remains held against the cylindrical surface of the counter-tool.
- the lower layer cannot accompany the movement of the upper layer, and folds are thus created on this layer, these folds being all the more troublesome since this layer is generally the outer layer which is visible when the packaging is shaped.
- Another possibility consists in producing the working strip in a recess relative to the adjacent portions of the surface of the counter-tooling.
- the tool when the tool cooperates with the sheet, it has the first effect of pushing the latter inside such a recess.
- it is not only the upper layer which moves and is stretched by the action of the tool, but it also forces the lower layer to move and to stretch, although in slightly lower proportions.
- the applicant company has found that this slight tension applied to the lower layer prevents the creation of folds on the latter.
- the surface of the counter-tool is substantially cylindrical, the portions adjacent to the working strip defining portions of the same cylindrical surface.
- the first carrier shaft is controlled so that, when the tool cooperates with the sheet, it is in the correct region of this sheet, and is driven by a tangential speed equal to the speed of advance of the latter . Knowing moreover the position of the working strip (s) on the surface of the counter-tool, the motor of the second carrier shaft is controlled so as to correctly position angularly a working strip so that it cooperates with the tool when the latter processes the sheet and so as to, at this moment, animate said working strip with a tangential speed equal to the speed of advance of the sheet. It is therefore according to the command of the first carrier shaft that is determined that of the second carrier shaft.
- the machine comprises means for controlling the rotational drive of the carrier shafts which are capable of controlling this drive so that, during the successive treatment of several sheets, the tool cooperates successively with different working bands.
- the surface of the counter-tool has a plurality of working bands spaced angularly.
- the surface of the counter-tool has a regular alternation of projecting bands and recessed bands.
- the working strip is removably mounted on the counter-tool. This removable mounting makes it easy to change a worn working strip to replace it with a new working strip.
- the drive means are capable of driving the sheets at a substantially constant drive speed in the treatment zone and the machine comprises means for controlling the rotation drive of the carrier shafts capable of controlling the rotation drive said load-bearing shafts so that, at least when the tool and the working strip cooperate with a sheet for the treatment of the latter, the tool is driven by a processing speed whose tangential component is equal to said drive speed and the working strip is located opposite this tool.
- the machine comprises means for determining information relating to the position of a sheet in the processing area and it comprises a control unit capable, according to this information, of controlling the rotational drive of the first and second load-bearing shafts such that, for the processing of this sheet, the tool is in contact with a predetermined region of the sheet and is driven by a processing speed whose tangential component is equal to said speed d drive, while the working strip is in contact with said determined region, but on the other side of the sheet relative to the tool.
- the means for controlling the rotary drive of the carrier shafts are able to control this rotary drive so that, at least when the tool and the working strip cooperate with a sheet for the treatment of the latter.
- the tools and the working band are each driven by a processing speed, the tangential component of which is equal to said driving speed.
- the first carrier shaft is a multi-tool carrier shaft capable of carrying at least first and second angularly spaced tools and the control unit is capable of controlling the rotational drive of said multi-tool carrier shaft according to a cycle comprising a treatment phase with the first tool, in which said first tool is in contact with a first determined region of a sheet situated in the treatment zone of the machine and is driven by a tangential speed equal to the driving speed of this sheet, a positioning phase during which the multi-tool carrying shaft is driven to position the second tool in a position to process a second determined region of the sheet and a phase of treatment with the second tool, in which the second tool is in contact with said second region and is driven by a tangential speed equal to the driving speed.
- control unit is adapted to control the drive of the second support shaft so that, at a cycle, the first and the second tool of the first support shaft cooperate with two bands separate work.
- first and second carrier shafts are each driven by a motor, the motor of the second carrier shaft being controlled as a slave relative to the motor of the first shaft.
- FIG. 1 is a view of a machine according to the invention in section in a vertical plane
- FIG. 1 shows the side of a package after treatment by the machine
- - Figure 3 shows, in section in its thickness, the structure of a sheet in which can be made such a sidewall;
- - Figure 4 is a block perspective view of the main components of the machine, with the principle of their control;
- FIG. 5 to 8 show the conformation of a counter-tool, in cross sections to the axis of the carrier shaft thereof.
- the machine shown in Figure 1 has a feed table 10 on which is disposed a sheet 12 for processing in the machine. It is for example a sheet having a corrugated multilayer structure, made of cardboard or plastic.
- the machine has an entry area E, a processing area T and an outlet area S successively arranged in the direction F of advancing sheets.
- the sheets are taken up by drive means 14 which drive them at high speed constant across the processing area T.
- this area T comprises two processing units, respectively Ul and U2, arranged one after the other in the direction F. Between these two units, there are drive relay means 16.
- Drive means 18 are also provided at the outlet S of the machine.
- Figure 2 shows a side processed by the machine from a full sheet. This side has cutouts 22 and folds 24 which are arranged transversely to the direction F of advancement of the sheet in the machine.
- the tools of the processing units Ul and U2 located in the processing area T of the machine allow these cuts and folds to be made. These tools include cutting tools or knives which form cutouts 22 and repressing tools or repressors which form folds 24.
- the sidewall shown in FIG. 2 also comprises folds 26, which are arranged parallel to the direction F and which can be produced using pressure rollers which cooperate with the drive means.
- the flank also has specific cutouts, for example holes 28, which serve to form handles in the packaging and which are produced in one of the units U1 and U2.
- the drive means of the machine include disc-shaped drive rollers which are rotated. We see for example in Figure 1, at the entrance of the machine, lower drive rollers 30 and 32, and upper drive rollers 34 and 36. Similarly, at the outlet, the drive means 18 include lower rollers 38 and 40 and upper rollers 42 and 44. The drive relay means 16 also include lower rollers 46 and upper 48. In FIG. 1, the drive means 14 and 18 each comprise two rows of lower and upper rollers. For simplicity, only one row of rollers has been shown for each of these drive means in FIG. 4.
- FIG. 4 shows, at the inlet of the machine, the lower rollers 30 and the upper rollers 34 respectively mounted on a lower shaft 31 and on an upper shaft 35.
- the lower rollers 38 and upper 42 are respectively mounted on two shafts 39 and 43, while the intermediate rollers 46 and 48 of the relay 16 are mounted on two shafts 47 and 49.
- the drive means are driven by a main drive motor M50.
- the various aforementioned shafts are driven by this motor, to which they are connected by transmission means such as belts 51.
- the drive means can be similar to those described in PCT application WO 02/02305.
- Each of the processing units Ul and U2 comprises processing means which themselves comprise a tool and a counter tool or counterpart for this tool.
- the unit Ul comprises a first carrier shaft 52 which carries tools 53 and 53 ′, as well as a second carrier shaft 54 which carries a counter-tool 56.
- the unit U2 comprises a first carrier shaft 62 which carries tools 63, as well as a second carrier shaft 54 'which carries a counter-tool 56'.
- the counter-tool 56 of the unit Ul has a substantially cylindrical surface having a plurality of working bands 57. These working bands extend parallel to the axis of the shaft 54, that is to say transversely in direction F.
- the working bands 57 are in radial offset with respect to the portions 58 of the surface of the counter-tool which are adjacent to these bands. In this case, the working strips 57 are projecting from the surface of the counter-tool.
- the counter-tool 56 'of the unit U2 could be produced like the counter-tool 56 of the unit Ul but, in FIGS. 1 and 4, we have chosen to give it a perfectly cylindrical surface due to the conformation of the tools 63 which are rotary cutting tools whose width, measured along the circumference of the carrier shaft 62 is greater than that of tools 53 and 53 '.
- the strips 57 are advantageously made of a material such as polyurethane, flexible enough to allow the tools to fulfill their function by cooperating with them.
- the tools 53 and 53 ′ are cutting or delivery knives which, during cutting or delivery operations, can penetrate slightly into the polyurethane of the strips 57.
- the shafts 52, 54, 62 and 54 ′ are arranged transversely to the direction F of advancement of the sheets in the machine, so that the tools cooperate with their respective counter-tools in the plane P of advancement of the sheets in the machine, while the tools and the counter-tools (or, for the counter-tools 56, the bands 57) are driven by tangential speeds, respectively V52, V62, V54 and V54 ', which are parallel to this plane and directed in the direction F of advancement of the sheets.
- the first bearing shafts 52 and 62 are arranged above the plane P, while the second bearing shafts 54 and 54 'are arranged below this plane.
- the first carrier shaft 52 is rotated by a motor M52, for example an asynchronous motor, a brushless motor or, in general, a motor positioning.
- a motor M52 for example an asynchronous motor, a brushless motor or, in general, a motor positioning.
- the motor M52 is controlled so that the tooling 53, 53 ′ carried by the shaft 52 is animated, at the moment when it comes into contact with the sheet 12 for processing the latter , with a tangential speed V52 equal to the speed V of advancement of this sheet.
- the machine comprises a control unit UC which, as a function of information relating to the position of a sheet 12 in the processing zone T, controls the motor M52 by a control line L52.
- the information relating to the position of the sheet 12 is for example delivered, as the sheet advances in the machine, by position sensors such as photoelectric cells C1, C2 and C3, which are successively arranged on the sheet advancement path and which are connected to the control unit UC by information input lines, respectively LC1, LC2 and LC3.
- position sensors such as photoelectric cells C1, C2 and C3 which are successively arranged on the sheet advancement path and which are connected to the control unit UC by information input lines, respectively LC1, LC2 and LC3.
- the control unit UC knows the speed of advance and the position of the sheet in the machine (it controls the main motor M50 by a control line L50 and checks this speed by an input line LE50 connected to a sensor speed) and, depending on the MP setting means entered in this unit UC to memorize the type of processing (cutting, folds) to be applied in such or such region of the sheet, it can control the M52 motor so that it positions the tools of the Ul unit in the right place, at the right time and at the right speed.
- the position of the tools on the carrier shaft 52 is adjustable, as indicated in WO 02/02305.
- the second carrier shaft 54 is rotated by a motor M54 which is controlled by the control unit UC, by a control line L54.
- the M52 and M54 motors can be controlled as a master-slave.
- the tangential component V54 of this speed is, like the tangential component V52 of that of the tool 53 or 53 ', equal to the speed V of the sheet.
- the control unit UC knows the speed of advance of the sheet and controls the speed of the motor M52 accordingly by the line L52.
- the control unit also knows the position of the working strip (s) 57 of the counter-tool 56 (for example by locating the angular position of the counter-tool 56 and / or of the shaft 52 and by storing the position of the working strip (s) relative to a mark on the surface of the counter-tool) and, depending on the command it gives to the motor M52, it also controls the motor M54.
- the control unit UC knows the speed of rotation of the shafts 52 and 54 by speed sensors, which are associated with these shafts and which are connected to this unit by input and speed measurement lines LE52 and LE54, respectively for shafts 52 and 54. Depending on the data transmitted to it by these lines, the unit UC can control the motors M52 and M54.
- the first carrier shaft 62 is rotated by a motor M62 which is controlled by the control unit UC by a control line L62 and the speed of which is transmitted to this unit by an input line LE62.
- the carrier shaft 54 'of the counter-tool 56' is rotated by a motor M54 ', itself controlled by the unit UC by a control line L54'.
- This unit knows the speed of this shaft by a speed measurement input line LE54 'connected to a sensor.
- the tangential speed V52 of the tool 53 or 53 ' is equal to the drive speed V when this tool cooperates with a sheet for the treatment of the latter.
- the motor M52 can be controlled according to successive phases, comprising a waiting phase during which the tool is moved away from the path of the sheets and a processing phase during which the tool cooperates with these sheets and during which the speed V52 is equal at speed V. Between the standby phase and the treatment phase, the M52 motor accelerates very quickly, while it decelerates very quickly after the treatment phase.
- the first carrier shaft 52 or 62 of the unit U1 or U2 can be driven according to a sequence comprising a positioning phase during which it is trained to position the tools which it carries in a situation of treating a determined region of the sheet and a processing phase during which the tool is in contact with this determined region, is driven by a tangential speed equal to the drive speed V and cooperates with its counter-tool 56 or 56 '.
- a working strip 57 is located opposite the tool during the treatment phase and is driven by a tangential speed V54 which is equal to the speed V.
- the shaft 52 can be a multi-tool carrier shaft, capable of carrying at least two angularly spaced tools. This is what can be seen in FIG. 1, in which two diametrically opposite tools 53, 53 ′ are arranged on the shaft 52. The angular spacing of these two tools can be adjusted by adjustment means M which are described in detail in WO 02/02305.
- control unit UC can control the rotary drive of the shaft 52 according to a cycle comprising a phase of treatment by the first tool 53, in which this tool is in contact of a first determined region of a sheet located in the processing zone T of the machine and is driven by a tangential speed V52 equal to the speed V, a positioning phase during which the carrier shaft 52 is driven to position the second tool 53 'in a situation of treating a second determined region of the sheet and a processing phase with this second tool 53' in which the latter is in contact with the second region of the sheet and is animated by a tangential speed V52 equal to speed V.
- the positioning phase can comprise a waiting phase or a very rapid rotation phase, depending on the angular spacing between the tools 53 and 53 'and the spacing between the regions of the sheet to be successively processed by these tools.
- the second carrier shaft 54 can be controlled to place a working strip 57 in a waiting situation and animate this strip with a tangential speed equal to the speed V when said strip is opposite the tool 53 which cooperates with it to process the sheet in the first aforementioned region. If the shaft 52 has the training sequence described above, the shaft 54 can experience a new positioning phase in which another or the same working band is placed in a waiting situation, to then be animated by 'a tangential speed V54 equal to the speed V so as to cooperate with the tool 53' to process the second determined region of the sheet.
- the first support shaft 62 carries a cylindrical surface S62 which carries a tool 63 capable of forming cutouts of the cutout type 28 of the sidewall shown in FIG. 2.
- the shaft 62 is carried on a movable axis 110 which is supported by a spacer shaft 106, by means of an eccentric 108. With the aid of a spacer motor M 108, this eccentric can be driven in rotation so as to raise or lower the shaft 62 to which it is connected by a system of connecting rods 112 articulated on levers 114. The operation of this system is described in detail in WO 02/02305.
- the sheet 12 has for example a multilayer structure with intermediate corrugated layers. It thus comprises an outer layer 12A, an intermediate layer 12B and another outer layer 12C, layers bracing made of corrugated material, 13A, 13B being arranged between the layers 12A and 12B on the one hand, and between the layers 12B and 12C on the other hand.
- FIG. 3 indicates the direction F for driving the sheet in the machine, with respect to which grooves 13 ′ formed by the corrugations 13A and 13B are arranged transversely, like the folds 24 and the cutouts 22 and 28 of the flank of Figure 2.
- the counter-tool cooperates with the layer 12C, while the tool cooperates with the layer 12A.
- the tool tends to crush the grooves 13 ′ and to bring the layer 12A closer to the layer 12C.
- the layer 12C cannot also experience a displacement of the same nature, if not of the same degree, this results in the creation of an unsightly fold on this layer 12C.
- FIG. 5 shows a first variant for producing the counter-tooling of the machine of the invention.
- This comprises a hollow support cylinder 155 which can cooperate through its internal periphery with the second support shaft 54 in a manner known per se and not shown, to drive the counter-tool in rotation.
- On the surface of this hollow cylinder 155 is disposed a coating which cooperates with the tool to carry out the treatment of the sheet, by cutting or by forming folds.
- the surface of the counter-tool has a plurality of treatment strips 157 regularly spaced angularly. It can be seen that the working strips 157 project radially from a distance r relative to the portions 158 of the surface of the counter-tool between which they are arranged. In fact, the surfaces of the working strips 157 are centered on a first circle C1, while the surfaces 158 are centered on a second circle C2, the radius of the circle C1 being greater by the distance r than that of the circle C2.
- FIG. 5 shows the positions of the blades 153A and 153B of a cutting tool which cooperates with one of the working strips 157 to form a cut in the sheet 12 (the latter being only sketched).
- the blades 153A and 153B penetrate slightly into the strip 157, which is for example formed of polyurethane.
- the strips 157 have for example the shape of prisms, the length of which is parallel to the axis of the hollow cylinder 155, and the base of which is substantially trapezoidal as the drawings show.
- the sheet rests on the upper face of a strip 157. It is deformed by the application of the tool against its surface, and, as can be seen in FIG. 5, the the fact that the strips 157 project from the portions 158 of the surface of the tool allows this deformation of the sheet to take place, for the regions of the latter which are adjacent to the cutting zone, without pressure on this sheet against the surface of the counter tool.
- the width of the or each working strip is greater than the width of the tool, while being close to this width.
- the width Le of a strip 57 measured between two radii RI and R2 of the hollow cylinder 156, along the upper face of this strip, is slightly greater than the width Lo of the tool. This width Lo is measured between the external faces of the blades 153A and 153B, between two radii of the cylinder 155.
- the width Le is between 1.05 and 2 times the width Lo, preferably between 1.05 and 1.8 times this width Lo.
- the counter-tool 156 comprises a sheet metal plate 160 which is wound on the surface of the hollow cylinder 155 and is fixed on the latter.
- the two ends 160A and 160B of the sheet metal plate meet in a recess 155 ′ on the surface of the cylinder 155, in which they are fixed using screws 162.
- a coating 159 for example made of polyurethane, is fixed to the surface of the sheet metal plate, except in the region of its ends. It is the external surface of this coating which forms the aforementioned portions 158, being in the form of a recessed strip.
- the surface of the covering 159 also has recesses 159 ′ recessed with respect to the surface 158, in which the working bands 157. can be arranged.
- these bands are fixed in the housings using double-sided adhesive tapes. . This allows, when a strip 157 is worn, to quickly remove it from its housing to have a new strip there.
- a removable covering strip 159A can be fixed, for example by gluing or using double-sided adhesive tape. One can thus have access to the screws 162 to fix the sheet metal plate, then cover these screws with the strip 159A.
- FIG. 6 which shows a variant of FIG. 5 according to the enlarged portion VI, the working bands 257 of the counter-tool 256 are fixed in the same way as the bands 157. They differ from the latter by the fact that 'they have a rounded outer surface.
- This shape gives a homogeneous curvature to the underside of the sheet during its processing.
- the prism shape of the strips 157 may slightly mark the underside of the sheet along the edges of the prism when processing this sheet, which is not necessarily unsightly, because the fold or the cut made by the tool is perfectly positioned between these light brands.
- the method of fixing the sheet 260 to the surface of the hollow cylinder 155 is slightly different from that of FIG. 5.
- one of the ends 260A of the sheet carries a bracket 264 which , on both sides of its bracing wing 264A, carries a cushion made of a material of the polyurethane type, respectively 266A and 266B.
- the bracket is placed in the recess 155 'of the hollow cylinder 155, its fixing wing 264B being fixed in this recess using a screw 162.
- the cushion 266A rests against one of the sides of the recess 155', while the cushion 266B forms a locking member under which a free space 265 (formed above the fixing wing 264B of the bracket) allows the insertion of a complementary locking member 267A integral with the other end 260B of the sheet metal plate, this locking member being formed by the hooking edge of a strip 267, for example made of polyurethane secured to the sheet metal plate.
- This complementary locking member can also be made of a material of the kind of polyurethane.
- the sheet is thus removable, but, when it is fixed to the hollow cylinder 155, its two free ends extending along straight lines parallel to the axis of this cylinder, are end to end. As in the variant of FIG.
- a covering 159 is fixed to the sheet metal plate and has housings 159 ′ in which the working strips 257 can be fixed.
- the surface of the counter-tool is also worn by a bearing plate 360, for example fixed on the cylinder of the same so that the sheet 160 of Figure 5.
- another method of attachment for example that of Figure 6, could also be used.
- this sheet 360 are fixed at least two surface elements 359 which define between them, by their axial edges 359A opposite provided with first retaining surfaces, a housing for a working strip 357, the latter being able to be inserted into this housing and having, on its axial edges, the second retaining surfaces capable of cooperating with said first retaining surfaces.
- the counter-tool comprises more than two working bands 357 and the number of surface elements 359 is more than two.
- the first retaining surfaces formed on the axial edges 359A parallel to the axis of the second support shaft are produced by axial grooves 359 'formed by an overhanging part of the retaining elements 359, between said elements retaining and the outer surface of the sheet 360.
- the working strips have tabs 357 'which are inserted in the grooves or grooves 359'.
- the working bands are inserted into the housings formed between two adjacent surface elements 359 by an axial displacement of these bands 357, the tongues 357 'being placed in the grooves 359'.
- the working strips 357 are easily removable so that they can be replaced.
- the surface elements 359 are themselves detachably fixed on the supporting sheet 360.
- fixing strips 370 are fixed at regular intervals to the surface of the sheet 360, and the 359 surface elements are retained on these strips.
- the inner faces of the elements 359 each have two axial grooves 371 whose profiles, for example in dovetail, are adapted to those of the strips 370.
- the surface elements 359 can be fixed on the sheet by snap-fastening, or else by an axial displacement of these elements 359 making it possible to thread the strips into the grooves 371.
- Axial stop means for determining the final position of the elements 359 can be associated with these strips. It is thus possible to change the surface elements 359 which could be damaged.
- FIG. 7 shows the two blades 153A and 153B of a cutting tool which cooperate with one of the working strips 357.
- the surfaces of the working strips appear as the bottoms of axial grooves of the surface of the counter -outillage.
- the tool enters one of these grooves, and pushes the sheet towards the bottom of this groove, that is to say towards a working strip. Consequently, the upper (first in contact with the tool) and lower (turned towards the counter-tooling) layers both deform to penetrate the aforementioned groove.
- the two layers of the sheet are slightly stretched, even if the lower layer, located on the side of the counter-tool, is less so than the upper layer. The Applicant has found that this provision avoids the formation of folds.
- width Le of the external face of the strips 357 is slightly greater than the width Lo of the tool.
- Figure 8 shows the variant of the working bands in the form of projecting elements relative to the current surface of the counter-tooling
- the sheet 460 is fixed to the surface of the hollow cylinder 155 in the same manner as in FIG. 5.
- a plurality of surface elements 459 is fixed on this sheet so that two adjacent surface elements 459 define therebetween, by their axial edges facing each other, a housing for a working strip
- the axial edges 459A of the surface elements 459 are provided with first retaining surfaces formed by axial grooves 459 ', in which the wings 457' of the working bands 457 are engaged to retain said working bands.
- the surface elements 459 can be fixed, for example by gluing or by overmolding on the surface of the sheet 460, or they can be fixed removably on this sheet, for example using double-sided adhesives. Arrangements are made so that the screws for fixing the sheet to the hollow cylinder 155 are located in an area formed between two adjacent surface elements 459, an area which can be cleared when one of the working strips 457 is removed from its housing.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Treatment Of Fiber Materials (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0207032A FR2840558B1 (fr) | 2002-06-07 | 2002-06-07 | Machine de traitement de feuilles avec des decoupes ou des plis transverseaux a leur direction d'avancement |
FR0207032 | 2002-06-07 | ||
PCT/FR2003/001700 WO2003103937A1 (fr) | 2002-06-07 | 2003-06-06 | Machine de traitement de feuilles avec des decoupes ou des plis transversaux a leur direction d'avancement. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1534501A1 true EP1534501A1 (fr) | 2005-06-01 |
EP1534501B1 EP1534501B1 (fr) | 2007-04-25 |
Family
ID=29559042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03757117A Expired - Lifetime EP1534501B1 (fr) | 2002-06-07 | 2003-06-06 | Machine de traitement de feuilles avec des decoupes ou des plis transversaux a leur direction d'avancement. |
Country Status (10)
Country | Link |
---|---|
US (1) | US8176821B2 (fr) |
EP (1) | EP1534501B1 (fr) |
CN (1) | CN100460197C (fr) |
AT (1) | ATE360524T1 (fr) |
AU (1) | AU2003258787A1 (fr) |
CA (1) | CA2487810A1 (fr) |
DE (1) | DE60313466T2 (fr) |
ES (1) | ES2285175T3 (fr) |
FR (1) | FR2840558B1 (fr) |
WO (1) | WO2003103937A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8833217B2 (en) * | 2007-06-15 | 2014-09-16 | The Bradbury Company, Inc. | Methods and systems to drive rotary presses |
US20140033884A1 (en) * | 2012-08-03 | 2014-02-06 | Russell Tether | Method and system for producing void fill material |
ITBO20130158A1 (it) * | 2013-04-10 | 2014-10-11 | Laveggia S R L | Metodo e apparecchiatura per la realizzazione di elementi fustellati |
JP5804582B2 (ja) * | 2013-04-26 | 2015-11-04 | ホリゾン・インターナショナル株式会社 | 回転式打抜機 |
DE112016006731T5 (de) * | 2016-04-12 | 2018-12-27 | Ykk Corporation | Automatische zuschneidevorrichtung |
CN109177307A (zh) * | 2018-10-10 | 2019-01-11 | 温州市顺福包装有限公司 | 一种具有废料回收功能的异形箱加工设备 |
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US3143020A (en) * | 1963-02-18 | 1964-08-04 | Eidon E Ehinger | Toll computer assembly with cutter drum clutched to computer drum by presence of tape |
US3555948A (en) * | 1968-11-29 | 1971-01-19 | Carl A E Olson | Rotary cutting means for collating machine |
US3899945A (en) * | 1972-12-29 | 1975-08-19 | Koppers Co Inc | Method and apparatus for accurate die-cutting |
US4183271A (en) * | 1978-03-31 | 1980-01-15 | Merrill David Martin | Rotary web shearing machine |
EP0108356A1 (fr) * | 1982-11-08 | 1984-05-16 | Baldwin Technology Corporation | Dispositif pour couper le papier |
JPH0620662B2 (ja) * | 1984-11-30 | 1994-03-23 | 三菱重工業株式会社 | ロ−タリカツタの制御方法 |
US4640165A (en) * | 1985-04-11 | 1987-02-03 | Baldwin Technology Corporation | Rotary knife system |
US4962683A (en) * | 1987-11-16 | 1990-10-16 | Scheffer, Inc. | Rotary cutter apparatus |
US4934231A (en) * | 1989-04-10 | 1990-06-19 | W. R. Chestnut Engineering, Inc. | Rotary die-cutting apparatus |
JPH0584696A (ja) * | 1991-09-25 | 1993-04-06 | Mitsubishi Heavy Ind Ltd | ロータリシヤ |
US5642093A (en) * | 1995-01-27 | 1997-06-24 | Fuji Jukogyo Kabushiki Kaisha | Warning system for vehicle |
US6370475B1 (en) * | 1997-10-22 | 2002-04-09 | Intelligent Technologies International Inc. | Accident avoidance system |
US5887502A (en) * | 1995-09-26 | 1999-03-30 | Max Co., Ltd. | Rotary punching device |
US5797305A (en) * | 1996-02-12 | 1998-08-25 | Moore Business Forms, Inc. | On demand cross web perforation |
ZA972902B (en) * | 1996-04-10 | 1998-07-30 | Western Printing Mach Co | Knife assembly for rotary cutting system |
CA2176282C (fr) * | 1996-05-10 | 2006-07-11 | Michael Surina | Machine a rogner rotative |
US5761982A (en) * | 1996-06-20 | 1998-06-09 | George Schmitt & Co. | Perforating and cutting device and process for producing a sheet of individually severable and releasable stamps |
DE19756395B4 (de) * | 1997-12-18 | 2008-05-15 | WINKLER + DüNNEBIER AG | Vorrichtung und Verfahren zum Abtrennen von Materialbahnabschnitten von einer bewegten, endlosen Materialbahn in Übereinstimmung mit auf der Bahn aufgebrachten Druckmarken, insbes. zum Abtrennen von Briefhüllenzuschnitten von einer bedruckten Papierbahn |
US6269308B1 (en) * | 1998-08-20 | 2001-07-31 | Honda Giken Kogyo Kabushiki Kaisha | Safety running system for vehicle |
JP2943109B1 (ja) * | 1998-08-24 | 1999-08-30 | 株式会社ミヤコシ | ランダム横ミシン目加工装置 |
EP1004511B1 (fr) * | 1998-11-27 | 2002-07-17 | SIG Pack Systems AG | Dispositif pour la découpe transversale de sacs à bords scellés pour une machine d'emballage |
US6311601B1 (en) * | 1999-02-08 | 2001-11-06 | Marc C. Love | Method of manufacturing dies used in cutting and creasing paperboard |
JP3694423B2 (ja) * | 1999-06-25 | 2005-09-14 | 本田技研工業株式会社 | 車両および車両用操舵制御装置 |
US6360640B1 (en) * | 1999-07-13 | 2002-03-26 | Heidelberger Druckmaschinen | Variable velocity cutting cylinders |
EP1072369B1 (fr) * | 1999-07-26 | 2003-09-17 | Heidelberger Druckmaschinen Aktiengesellschaft | Mécanisme de déphasage pour le dispositif de perforation d'une plieuse à produit variable |
FR2811254B1 (fr) * | 2000-07-06 | 2003-02-14 | Rapidex Sm | Machine de traitement de feuilles pour la fabrication d'emballages |
JP4496760B2 (ja) * | 2003-10-29 | 2010-07-07 | 日産自動車株式会社 | 車線逸脱防止装置 |
-
2002
- 2002-06-07 FR FR0207032A patent/FR2840558B1/fr not_active Expired - Fee Related
-
2003
- 2003-06-06 CN CNB038188090A patent/CN100460197C/zh not_active Expired - Fee Related
- 2003-06-06 AT AT03757117T patent/ATE360524T1/de not_active IP Right Cessation
- 2003-06-06 AU AU2003258787A patent/AU2003258787A1/en not_active Abandoned
- 2003-06-06 DE DE60313466T patent/DE60313466T2/de not_active Expired - Lifetime
- 2003-06-06 EP EP03757117A patent/EP1534501B1/fr not_active Expired - Lifetime
- 2003-06-06 ES ES03757117T patent/ES2285175T3/es not_active Expired - Lifetime
- 2003-06-06 WO PCT/FR2003/001700 patent/WO2003103937A1/fr active IP Right Grant
- 2003-06-06 CA CA002487810A patent/CA2487810A1/fr not_active Abandoned
- 2003-06-06 US US10/517,037 patent/US8176821B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO03103937A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2840558A1 (fr) | 2003-12-12 |
ES2285175T3 (es) | 2007-11-16 |
FR2840558B1 (fr) | 2004-10-01 |
CN100460197C (zh) | 2009-02-11 |
ATE360524T1 (de) | 2007-05-15 |
DE60313466D1 (de) | 2007-06-06 |
DE60313466T2 (de) | 2008-01-03 |
CN1675055A (zh) | 2005-09-28 |
CA2487810A1 (fr) | 2003-12-18 |
EP1534501B1 (fr) | 2007-04-25 |
WO2003103937A1 (fr) | 2003-12-18 |
US20050145083A1 (en) | 2005-07-07 |
US8176821B2 (en) | 2012-05-15 |
AU2003258787A1 (en) | 2003-12-22 |
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