EP0860393A1 - Machine pour plier des objets en forme de feuilles - Google Patents

Machine pour plier des objets en forme de feuilles Download PDF

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Publication number
EP0860393A1
EP0860393A1 EP97810100A EP97810100A EP0860393A1 EP 0860393 A1 EP0860393 A1 EP 0860393A1 EP 97810100 A EP97810100 A EP 97810100A EP 97810100 A EP97810100 A EP 97810100A EP 0860393 A1 EP0860393 A1 EP 0860393A1
Authority
EP
European Patent Office
Prior art keywords
sheet
rollers
guide
machine
carrier
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
Application number
EP97810100A
Other languages
German (de)
English (en)
Other versions
EP0860393B1 (fr
Inventor
Roberto Crameri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ADI Felcom AG
Cratech GmbH
Original Assignee
ADI Felcom AG
Cratech GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ADI Felcom AG, Cratech GmbH filed Critical ADI Felcom AG
Priority to DE59700057T priority Critical patent/DE59700057D1/de
Priority to AT97810100T priority patent/ATE174869T1/de
Priority to EP97810100A priority patent/EP0860393B1/fr
Publication of EP0860393A1 publication Critical patent/EP0860393A1/fr
Application granted granted Critical
Publication of EP0860393B1 publication Critical patent/EP0860393B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • B65H45/144—Pockets or stops therefor
    • B65H45/145—Pockets or stops therefor circular pockets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • B65H45/147—Pocket-type folders folding rollers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/60—Coupling, adapter or locking means

Definitions

  • the present invention relates to a machine according to the preamble of claim 1.
  • a sheet folding machine is known, the four arranged parallel to each other Contains rollers.
  • the four rollers form three pairs of rollers that are used to transport one folding sheet in the machine.
  • the first pair of rollers is arranged in a magazine, which is used for maintenance work or can be separated from the machine to remedy faults. Attention must be paid to this that the magazine is removed correctly and then properly put back into the machine is used. There is also a risk that when removing, putting away and when not inserting the rollers contained in the magazine and especially their surface damaged if handled improperly.
  • the present invention is therefore based on the object of a machine of the type mentioned To create type that does not have these disadvantages and easy access inside the machine for maintenance and troubleshooting.
  • the invention offers the advantage that no parts have to be separated from the machine for access to the interior of the machine.
  • the carrier which contains two rollers, can be swiveled out in such a way that there is sufficient space for interventions in the machine and in particular for access to the sheet guide channel.
  • the carrier is simply swiveled back into the starting position and the machine is immediately ready for operation again.
  • the Open and Faulty manipulations are not possible and no tools or special knowledge of the operator are required to close the machine.
  • any operational interruptions to the machine that may be necessary are kept to a minimum. Further advantages will become apparent from the description below.
  • FIG. 1 shows a front view (view A of Fig. 8) of the complete Machine.
  • Fig. 8 shows a side view into the machine, in which the viewer facing side wall of the frame 1 is omitted.
  • rollers 12 and 14 are each rotatable an axis 16 and 17 respectively.
  • the roller 12 is driven by a motor 52 and is in contact with the roller 14 so that it rotates in the opposite direction.
  • a further axis 19 is arranged between the two side walls 1a, 1b of the frame 1, which carries an entry roller 15 in the middle.
  • the axis 19 runs parallel to the axes 16.17.
  • Under the axis 19 and parallel to it is a cuboid guide rail 20 arranged between the two side walls 1a, 1b.
  • the guide rail 20 serves as a carrier for a guide plate 27 which is in the middle of the guide rail 20 on the entry roller 15 is arranged adjacent.
  • One of the ends of the guide rail 20 is by means of an adjusting screw 26 (Fig. 10) with coil spring 79 in the vertical direction, so that the distance the guide plate 27 to the entry roller 15 changed depending on the thickness of the sheets to be folded can be.
  • the guide plate 27 is point-mounted on the guide rail 20 such that it is in relation to the entry roller 15 can rock.
  • the guide plate has on the side facing the entry roller 15 27 an insert 92 made of rubber (FIG. 9).
  • Such separation devices are known, which is why it is not discussed in more detail here.
  • the sidewalls 1a, 1b of the frame 1 by a rear wall 53, a cross bar 54 and a connecting plate 61 held together at the rear (exit side of the folded sheets) of the machine. On the front of the machine there are still foot elements on the side walls 1a, 1b 65a, 65b attached.
  • a table 3 for receiving a stack of sheets to be folded is on both sides with support elements 6a, 6b rotatably mounted on the axis 19 and can thus from the working position shown in Fig. 8 be tilted to the left into a horizontal second working position or a transport position (FIG. 15). As will be described further below, in this second working position of the table 3 the sheets of the machine can also be fed individually.
  • the table 3 is known per se Way from a lower part 7 and an upper part 8 and an intermediate Support spring 9, e.g. a cylindrical compression spring. Edge plates arranged on the upper part 8 10a, 10b serve as guides for different widths of sheets to be fed from the machine.
  • edge plates 10a, 10b are held on the upper part 8 by a hold-down leaf spring 97 and can be moved against each other in a known manner.
  • a in openings 63a, 63b of the Tables 3 plug-in and fold-out u-shaped support bracket 28 serves to accommodate larger ones Sheet formats.
  • the upper part 8 is bent at a right angle at its end facing away from the entry roller 15 and articulated on an axle 64 attached to the lower part 7. There is a stack of sheets on the table 3, the weight of the upper part 8 on its towards the machine End pressed down so that the leading edge of the top sheet of the paper stack comes to lie in front of the entry roller 15 and this sheet when the entry roller rotates 15 is drawn into the machine via the guide plate 20.
  • the upper part 8 has one funnel-shaped slot 80, which is at least as wide as a leaf.
  • an axis 22 extending parallel to the axis 19 is arranged.
  • the axis 22 is on both sides guided in an arcuate groove 25 of the side walls 1a, 1b of the frame 1.
  • On this axis 22 is between the side walls 1a, 1b a carrier 2 with two mutually parallel side walls 2a, 2b rotatably supported, between adjacent side walls of the frame 1 and the carrier 2 there is a small distance, so that the carrier 2 in the vertical direction to the axis 19 from the machine (in Fig. 8 to the left) is pivotable.
  • the sidewalls 2a, 2b of the carrier 2 are connected to one another by guide elements 23, 24 of a sheet guide channel 4 connected.
  • the sheet guide channel 4 is by an outer guide element 23 and an inner guide member 24 - both e.g. made of aluminum or plastic - which are approximately circular in shape and have a certain distance from one another. Of the Distance depends on the thickness of the sheet-like objects to be folded.
  • the leadership elements 23, 24 are by pairs of fasteners 82, 83, 84 with the side walls 2a, 2b of the carrier 2 (Fig. 6) connected. There are two between the side walls 2a, 2b further rollers 11 and 13 rotatably arranged on associated axes. The axes of the rollers 11 and 13 are - like the axis 17 in the side walls 1a, 1b - in the side walls 2a, 2b spring loaded.
  • two guide elements running parallel to the axis 19 21a, 21b are present, which are firmly connected to the side walls 1a, 1b and together form an entry guide 21.
  • the two guide elements 21a, 21b are designed in this way and arranged that one coming from the entry roller 15 and the guide plate 27 Sheet passes between them and is pushed between the rollers 11 and 12.
  • Behind the roller 12 is also an exit guide running transversely between the side walls 1a, 1b 62 arranged.
  • FIG. 16 An increased requirement for the exact guidance of one introduced by the entry roller 15 Aline means sufficient for the sheet is shown in Figs. 16 and 17.
  • 12 In the area between the axis 19 and the rollers 11, 12 is one consisting of two guide elements 69a, 69b Guide 69 available.
  • the guide elements 69a, 69b run parallel to the axis 19 and together form a guide channel, the funnel-shaped on the side facing the axis 19 is trained.
  • On the side facing the rollers 11, 12 are the two guide elements 69a, 69b parallel to each other and form a channel that in the rest position (Fig. 16) is directed against the roller 11.
  • the guide elements 69a, 69b are on the side walls 1a, 1b of the frame 1 articulated at a pivot point 70.
  • the fulcrum 70 is like this selected that the lower guide element 69a rests against the roller 11 in the rest position and the channel is therefore closed on this side.
  • the guide 69 returns to its starting position (FIG. 16).
  • This alignment device ensures that each sheet is exactly perpendicular to the axes of the rollers 11 and 12 are drawn into the machine and then folded properly.
  • the guide 69 can be above the funnel at least one of the side walls of the frame 1 is provided with a stop 72, which determines the maximum deflection of the guide 69, which is an optimal retraction of a Ensures sheet 73 by the rollers 11, 12.
  • an axis 33 is used, which runs coaxially to the cylinder axis.
  • the two ends of the Axis 33 are attached to the side walls 2a and 2b of the carrier 2.
  • Spacers 31, 32 with tongues 31a, 31b and 32a, 32b attached (Fig. 1; Fig. 14), the so far from pairs of rectangular recesses 29, 89 and 30, 90 of the guide elements 23, 24 protrude that their free end is roughly flush with the top of the outer Guide element 23 is.
  • Fig. 1 and in the front view of Fig. 5 is only the spacer 31 with the tongues 31a, 31b visible, which protrude from front recesses 29, 30.
  • the another spacer 32 with tongues 32a, 32b is shown in FIG. 25.
  • the recesses 29, 89 run parallel to the recesses 30, 90 (FIG. 30).
  • the portion 92 hatched with vertical lines is between the recesses 30 and 90 the part of the guide elements 23, 24 which the front recesses 29, 30 from the rear Recesses 89, 90 separates.
  • Fig. 30 which is the flat guide element 23 with the rectangular recesses 29, 30, 89, 90 shows before it together with the identically designed guide element 24 to form the sheet guide channel 4 approximately circular is bent.
  • the guide elements 23, 24 can be made of sheet metal or aluminum be made, the recesses 29, 30 and 89, 90 by punching out with a simple Tool are manufactured.
  • the spacer elements 31, 32 are via suspensions 36, 37 or 38, 39 rotatably attached to the axis 33 and can within the recesses 29, 89 and 30, 90 can be moved freely about the axis 33.
  • the spacers 31, 32 are used for Setting the distance of the first fold or the second fold of the machine through the sheet by moving a Stop the sheet in the sheet guide channel 4.
  • FIG. 25 also shows a device with which the spacer elements 31, 32 can be fixed, as soon as they correspond to the desired folding distance within the recesses 29, 89, 30, 90 have been set.
  • a sleeve 34 is slid over the axis 33, which presses against a spring 35 also placed on the axis 33, the the other end rests on the suspension 36 of the spacer element 31.
  • a vertical lever 40 firmly connected to bushing 34. The lever 40 protrudes so far out of the machine that its end is accessible and it operates can be.
  • a tab 41 is provided which is bent out of the side wall 2b and into the interior of the Machine protrudes.
  • a sleeve 42 is also pushed over the axis 33, which is in one piece is connected to the suspension 39 of the spacer 32.
  • a holder 43 is attached, which is perpendicular to the axis 33 and protrudes outwards.
  • the spacer 32 is used to set the second fold spacing. 18 to 20 show the spacer 32 is less accessible from the front of the machine than that Spacer 31 because its area of use is in the rear area of the sheet guide channel 4. In order to enable its simple setting by an operator, it is free End of the holder 43 bent at right angles (Fig. 25) and designed as a pointer 44.
  • the pointer 44 facilitates the adjustment of the rear spacer 32 according to one on the outer guide element 23 applied scale 45.
  • a pointer 47 directed to a second scale 46 is provided for the other spacer element 31 is in in the same way.
  • the pointer 47 is also made in one piece with the associated spacer element 31.
  • the carrier 2 on the axis 22 can be pivoted outwards from the inside of the machine - ie to the left in FIG. 8.
  • the swung out or The "opened state of the machine is shown in Fig. 13.
  • This state is assumed by actuation of a U-shaped bracket 5, which runs parallel to the axis 33 and is connected at its ends to a locking device with bearing bolts 50a, 50b which can be rotated into the Side walls 2a, 2b of the carrier 2.
  • the bearing bolts 50a, 50b have a disk 66 with a pear-shaped groove 67 (FIG. 7) on the outside.
  • the carrier 2 is pivoted in and two pins 51a, 51b attached to the side walls 1a, 1b and directed inward engage in the groove 67 of the two disks 66a, 66b
  • the operator must pull the bracket 5 towards him to pivot the carrier 2.
  • the disks 66 perform a rotary movement on the bearing bolts 50a, 50b, in which the groove 67 is adjusted so that the two pins Disengage 51a, 51b from the groove 67 of the disks and the carrier 2 falls down due to its own weight until the side walls 2a, 2b rest on the base surface 2.
  • the two rollers 11 and 13 move away from the rollers 12 and 14, so that there is a free space between them.
  • the carrier 2 can be released by further pulling it out e Enlarge the room.
  • the axis 22 slides in the groove 25 from a lower to an upper position.
  • the space created gives generous access to the rollers 11 to 14, to the two openings of the sheet guide channel 4 and to the guide 21. This can be used for interventions for maintenance work or for eliminating faults - such as clearing a sheet jam - be made very easily.
  • the power supply to the machine is immediately interrupted and remains interrupted until the carrier 2 is locked again in the pivoted-in state.
  • the axis 22 can be fixed in a known manner at both ends with circlips in the side walls 1a, 1b of the frame 1. This allows the axis 22 to be easily removed. In this way, the pivoted carrier 2 can be easily separated from the machine or reinserted into the machine if required.
  • the bracket 5 then serves as a handle for the independent carrier 2nd
  • the swiveled-out carrier 2 can be swiveled back into the machine with a simple handle will. For this purpose, it is gripped on the bracket 5 and up against the machine moves until the pins 51a, 51b engage the grooves 67. Then the bracket 5 is pivoted in completely (Fig. 8) and the disks 66a, 66b rotated so that the pins 51a, 51b firmly in engage the grooves 67 and the carrier 2 with a defined force with the frame 1 is connected. This defined force guarantees the same contact pressure at all times Rollers 11 and 13 against the driven roller 12, which is rotated by the roller 12 will. This ensures that the machine functions properly at all times.
  • FIG. 3 shows a view from the front on the machine without inserted carrier 2
  • FIG. 4 shows a side view from the right the machine.
  • the drive unit is an electric motor 52 which is attached to the (not visible in FIG. 4) Side wall 1 a of the housing frame 1 is attached.
  • the rotor shaft of the motor 52 is one known and therefore only indicated worm gear 68 connected to the axis 16th the roller 12 acts.
  • On the other side wall 1b of the housing frame 1 are two interlocking Intermediate gears 55, 56 attached.
  • the intermediate gear 56 is on a the axis 16 attached gear 57 driven.
  • the other intermediate gear 55 engages a gear 58 attached to the end of the axis 19 of the entry roller 15. This turns the drive of the electric motor 52 so transferred to the axis 19 of the entry roller 15 that this in the direction required for sheet feeding at a lower speed than the rollers 11, 12, 13 and 14 rotates.
  • the driven roller 12 is preferred a rubber roller.
  • the entry roller 15 is also made of rubber.
  • the other rollers 11, 13 and 14 can be made of aluminum, being made in a simple manner from extruded aluminum profiles have it made. Bearing bolts are pressed in at the end.
  • a lock can also be activated which prevents the second folding of a sheet. This is necessary if a sheet - e.g. a letter - to be folded once in the middle. This function is described with reference to FIGS. 18 to 22.
  • a locking bar 48 parallel to Axis 33 arranged.
  • the locking bar 48 is approximately as long as that by the guide elements 23, 24 cylinders formed. At each of its two ends it points towards its longitudinal direction perpendicular groove 85, 86, which are of equal length and through which on the guide element 24 vertically attached bolts 87 and 88 protrude.
  • the locking bar is 48 in a direction perpendicular to the axis 33 on a flat part of the inner surface of the Guide element 24 displaceable, the displacement path by the length of the grooves 85, 86 is determined.
  • On the underside of the locking bar 48 is a spiral spring 49 at both ends attached, which is attached at its other end to the inner guide member 24.
  • the upper Edge of the locking bar 48 has a shape that is in the active position of the locking bar 48 (Fig. 20) prevents the second entry of a sheet into the sheet guide channel 4 and instead the sheet passes to the pair of rollers 12, 14 where it is captured and then exits the machine. There is a distance between the locking bar 48 and the roller 14 that allows the sheet to pass.
  • 18 shows the locking bar 48 in the inactive position, in the access one of the pair of rollers 12, 13 coming sheet to the sheet guide channel 4 free and the spring 49 is relaxed.
  • the spacing element 32 assumes a position that determines the second folding distance. In 18 are the maximum settings of the spacers 31, 32 for the two folds one sheet shown.
  • the spacer element 32 is made with the aid of the holder 43 or pointer 44 pushed against the locking bar 48 (Fig. 19).
  • the locking bar 48 By pushing the spacer 32 against the force of the spring 49, the locking bar 48 to one by Grooves 85, 86 pressed certain stop.
  • this activated position of the locking bar 48 can the spacer 32 in the manner described above with the lever 40 (Fig. 25) fixed be, which also holds the locking bar 48 and the entrance to the sheet guide channel 4 closes (Fig. 20). This prevents the second folding of a sheet.
  • FIG. 15 shows the machine in a state with the table 3 folded in.
  • the table 3 is being turned off 8 folded forward and then assumes a horizontal position.
  • the sheets to be folded can also be fed individually through the above a funnel-forming slot 80 are supplied.
  • the sheet falls directly in front of the rollers 11, 12 and is drawn into the machine by them. Folding the sheet once or twice is then carried out as described above.
  • the sheet coming from the slit 80 becomes the guide member 69b against the roller 11 guided and then drawn in by the rollers 11, 12 as described.
  • 26 to 29 show further details of the folding machine according to the invention, the Fig. 27 and 29 again side views from the right onto the machine shown in FIGS. 26 and 28, respectively demonstrate.
  • 26 shows a front view of the operational machine with a cover 74, which are arranged displaceably over the outer guide element 23 of the sheet guide channel 4 and is shifted in both directions between the side walls 2a, 2b of the carrier 2 can be. If the cover 74 is in the middle between the side walls 2a, 2b is located, it closes the recesses in the guide elements 23, 24 of the sheet guide channel 4 (Fig. 28) and prevents dirt from entering the machine.
  • hoods 75, 76 - preferably made of plastic - attached, which are attached and thus give the machine a compact shape.
  • bracket 77 On at the rear of the machine there is a bracket 77 which prevents those falling out of the machine folded leaves.
  • the bracket 77 extends over the entire width of the machine and can be inserted into the machine for transport and thus supplied (Fig. 29).
  • the support bracket 28 can also be supplied for transporting the machine by: is folded from the back to the front and then down and with its arcuate end is inserted between the crossbar 54 and the machine (Figs. 28 and 29).

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
EP97810100A 1997-02-25 1997-02-25 Machine pour plier des objets en forme de feuilles Expired - Lifetime EP0860393B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE59700057T DE59700057D1 (de) 1997-02-25 1997-02-25 Maschine zum Falten von blattförmigen Gegenständen
AT97810100T ATE174869T1 (de) 1997-02-25 1997-02-25 Maschine zum falten von blattförmigen gegenständen
EP97810100A EP0860393B1 (fr) 1997-02-25 1997-02-25 Machine pour plier des objets en forme de feuilles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97810100A EP0860393B1 (fr) 1997-02-25 1997-02-25 Machine pour plier des objets en forme de feuilles

Publications (2)

Publication Number Publication Date
EP0860393A1 true EP0860393A1 (fr) 1998-08-26
EP0860393B1 EP0860393B1 (fr) 1998-12-23

Family

ID=8230157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810100A Expired - Lifetime EP0860393B1 (fr) 1997-02-25 1997-02-25 Machine pour plier des objets en forme de feuilles

Country Status (3)

Country Link
EP (1) EP0860393B1 (fr)
AT (1) ATE174869T1 (fr)
DE (1) DE59700057D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005095244A2 (fr) * 2004-03-16 2005-10-13 Georg Hefter Maschinenbau Dispositif de pliage d'objets de type feuilles

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706115A (en) * 1950-12-13 1955-04-12 Pitney Bowes Inc Pivotally mounted buckle chute for sheet folding machine
US2766040A (en) * 1952-12-26 1956-10-09 Pitney Bowes Inc Folding machine with parti-circular buckle chutes
EP0154210A2 (fr) * 1984-02-17 1985-09-11 Mathias Bäuerle GmbH Plieuse à poches
US5000432A (en) * 1988-07-27 1991-03-19 Alcatel Satmam Folder having pockets
US5176614A (en) * 1990-10-31 1993-01-05 Alcatel Satmam Three-portion folding machine having pockets
US5391138A (en) * 1993-03-24 1995-02-21 The Hedman Company Sheet feeding system for a sheet folding apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706115A (en) * 1950-12-13 1955-04-12 Pitney Bowes Inc Pivotally mounted buckle chute for sheet folding machine
US2766040A (en) * 1952-12-26 1956-10-09 Pitney Bowes Inc Folding machine with parti-circular buckle chutes
EP0154210A2 (fr) * 1984-02-17 1985-09-11 Mathias Bäuerle GmbH Plieuse à poches
US5000432A (en) * 1988-07-27 1991-03-19 Alcatel Satmam Folder having pockets
US5176614A (en) * 1990-10-31 1993-01-05 Alcatel Satmam Three-portion folding machine having pockets
US5391138A (en) * 1993-03-24 1995-02-21 The Hedman Company Sheet feeding system for a sheet folding apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005095244A2 (fr) * 2004-03-16 2005-10-13 Georg Hefter Maschinenbau Dispositif de pliage d'objets de type feuilles
WO2005095244A3 (fr) * 2004-03-16 2006-04-06 Georg Hefter Maschb Dispositif de pliage d'objets de type feuilles

Also Published As

Publication number Publication date
DE59700057D1 (de) 1999-02-04
ATE174869T1 (de) 1999-01-15
EP0860393B1 (fr) 1998-12-23

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