EP0664764B1 - Stauchfalzmaschine - Google Patents

Stauchfalzmaschine Download PDF

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Publication number
EP0664764B1
EP0664764B1 EP93922855A EP93922855A EP0664764B1 EP 0664764 B1 EP0664764 B1 EP 0664764B1 EP 93922855 A EP93922855 A EP 93922855A EP 93922855 A EP93922855 A EP 93922855A EP 0664764 B1 EP0664764 B1 EP 0664764B1
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EP
European Patent Office
Prior art keywords
machine according
folding machine
stand
working rollers
buckle folding
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.)
Expired - Lifetime
Application number
EP93922855A
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German (de)
English (en)
French (fr)
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EP0664764A1 (de
Inventor
Karl Zechner
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M3/00—Devices for inserting documents into envelopes
    • B43M3/04—Devices for inserting documents into envelopes automatic
    • 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

Definitions

  • the invention relates to an upset folding machine with a stationary Machine frame and four parallel work rolls same outer diameter, which in pairs at least two Form folding gaps for the folded material and over a common one Gears can be set in rotation at the same speed.
  • Electromagnets are used to control the length of the fold the folding process is operated by an electronic control, which synchronized the impulses of one with the work rolls electronic pulse generator and the signals of each Leading folded goods leading edge scanning, stationary folded goods sensors be fed.
  • an electronic control which synchronized the impulses of one with the work rolls electronic pulse generator and the signals of each Leading folded goods leading edge scanning, stationary folded goods sensors be fed.
  • upset folding machine are used to actuate the flow limiter at least two electromagnets needed, which together with the Guide plates of the advance tracks and the folded goods sensors as well a corresponding minimum size of the electronic device the machine.
  • the object of the invention is a new paper folding machine that is as small as possible to accomplish.
  • the training according to the invention provides mechanical control for both folding stations required for zigzag and wrap folds through the revolving bogie in front, the folded goods during the gradual or continuous circulation of the bogie is pulled in, folded and ejected.
  • the training according to the invention results in a simplification and Downsizing of the construction of the upset folding machine since the the guide track delimiting the runway omitted.
  • the stopping the forward movement of the folded material Relative movement between those that act as upsetting rollers Work rolls are driven by the rotating movement of the bogie derived, so that no additional tax organs are necessary to operate the flow limiter.
  • the invention Training also allows multi-ply folds or folded stapled to a zigzag fold or one Fold fold or a single fold.
  • the invention envisaged relocability of the work rolls in The bogie can be selected according to the thickness of the folded goods will.
  • the forced displacement control device the work rolls allowed inside the bogie it, the diametrically opposite each of the first nip Nip for the unimpeded passage of the folded material to open and to form the compression loop for the second fold to close in time.
  • Another feature of the invention provides that for drive transmission from the rotating bogie to the work rolls a transmission gear is provided, in which at least one drive wheel rotating with the bogie Work rolls with a stationary in the machine frame, to the bogie axis coaxial wheel is engaged.
  • This Training sees a constant translation ratio between work roll speed and bogie speed before, whereby the drive of the work rolls is derived from the bogie drive becomes.
  • coaxial work roll drive shaft be provided on the one with at least one drive wheel of the work rolls rotating with the bogie stationary wheel is rotatably arranged.
  • These two drive shafts can be released according to the invention via a clutch be connected.
  • Another feature of the invention provides for driving the Work rolls a drive shaft rotatable relative to the bogie before, on the one with at least one drive wheel of the work rolls rotating with the bogie stationary wheel is rotatably arranged.
  • This training is an advantage in an upset folding machine in which the work rolls and the bogie is driven by separate drive motors will.
  • This training also enables change the gear ratio between work roll speed and bogie speed by changing the engine speed a drive motor or both drive motors for Control of the fold leg length for different fold length.
  • the bogie Drive shaft for the work rolls can be rotated relative to the bogie Drive shaft for the work rolls also with the bogie drive be coupled.
  • This enables an embodiment the upset folding machine, in which a single drive motor drives two belt drives arranged in parallel, one of which one drives the bogie directly while the other Belt drive drives the drive shaft for the work rolls.
  • the gear ratio between work roll speed and The bogie speed is determined by the two belt drives.
  • the drive of the drive shaft can be uncoupled from the bogie drive for the work rolls be.
  • This enables the upset folding machine to be designed with a single drive motor and two arranged in parallel Belt drives for bogies or work rolls, of which one for example via a clutch on the motor drive shaft can be switched on or off.
  • Another embodiment of the invention provides that Two bogies, on opposite ends of the work rolls arranged, rotatably mounted in the machine frame Has rotary heads, at least one of which is used as a drive rotary head is formed in which the drive transmission is arranged for the work rolls, and that in each turret against the force of at least one spring relative to movable guide elements are provided, in each of which at least one of the bearing axles of at least one of the relocatable work rolls are included.
  • This invention Training enables a particularly compact design the upset folding machine.
  • the against a spring force movable guide elements for the relocatable work rolls allow one to be adapted to the thickness of the respective folded material Relocation of the work rolls during folding so that Folded goods of different thicknesses in immediate succession can be folded.
  • the spring-loaded relocation of the guide elements takes place independently of each other in both rotary heads and also allow folding of stapled on an edge Folded goods.
  • the guide elements than essentially radial in the turrets sliding carriage can be formed.
  • the Guide elements as swivel levers with parallel to the bogie axis Swivel axes are formed. It can advantageously the bearing axis of an adjacent work roll be designed as a pivot axis of the pivot lever.
  • the guide elements disc-shaped and at least around one, eccentric to the bearing axis of the associated work roll Tilt axis be tiltable.
  • two adjacent guide elements can each be connected by a common spring.
  • all guide elements can a rotary head connected by a common spring be.
  • Another feature of the invention provides that all Guide elements of a turret connecting spring as a running along the outer circumferences of the guide elements endless ring is made of elastic material.
  • This Ring can be a rubber ring or a rubber hose or also be a coil tension spring, which the shifting of the work rolls counteract in the bogie.
  • Turret a frame disc adjacent the ends of the work rolls owns that of the bearing axes of the work rolls is enforced and on their facing away from the work rolls Side of the guide elements together with the act on them Springs are arranged. This training prevents the Folded material enters between the guide elements and springs on the one hand and the emergence of abrasion or dirt the rotary head into the interior to be traversed by the folded material the folding machine.
  • the drive turret one adjacent the ends of the work rolls Has washer by the bearing axles of the work rolls is enforced and on their facing away from the work rolls Page the drive wheels for the drive rollers and the common gear are arranged. This training prevents folded goods from entering the gearbox of the Drive turret.
  • Another embodiment of the invention provides that the mechanical control device at least one to the bogie axis coaxial, stationary with respect to the machine housing or lockable cam, which at least contains a control curve which has at least one curve section owns one of the forced relocations Work rolls is assigned, and that the control device at least one that can be brought into engagement with the control cam, the guide element of the associated to be relocated Work roll associated control includes.
  • the cam can be arranged perpendicular to the bogie axis Circuit board of the machine housing, which is a self-contained, towards the bogie axis, with the forced Shift of the work rolls associated step-shaped Contains guideway sections provided on which the external controls from opposite the bogie axis resiliently pressed out guide elements with Work rollers rotating around the bogie.
  • Another feature of the invention provides that the Forced displacement of a curve section assigned to a work roll the control curve as from one to the bogie axis coaxial cylinder formed outwardly projecting expansion cam is. This training is in the direction of the bogie axis towards spring-loaded guide elements from Advantage whose internal controls during rotation of the bogie engage with the expanding cam.
  • Control device for the simultaneous forced displacement two adjacent work rolls one with the cam and the guide elements of the two adjacent work rolls can simultaneously be brought into engagement as a spreading element for Moving the two guide elements apart Control.
  • This training allows one after the other Sides of the arranged between the two work rolls Roll gap uniform opening of this roll gap through the spreading element displaceable in the plane of the nip.
  • Another feature of the invention provides that a Bogie protruding between the four work rolls, the assigned to the second folding nip opposite the machine housing, preferably in different angular positions, more noticeable Falzgutabweiser is provided.
  • This training is especially with an upset folding machine with a fold pass per 180 ° turn of the bogie advantageous and allowed a setting corresponding to the type of fold required of the fold deflector.
  • Another feature of the invention provides that a Bogie protruding between the four work rolls, the assigned to the second folding nip opposite the bogie, preferably in different angular positions, more noticeable Falzgutabweiser is provided.
  • This training is with a Upsizing folding machine with one fold pass per 360 ° rotation of the bogie is an advantage and allows one Adjustment of the fold deflector depending on the type of fold.
  • the fold-in device can two movably arranged in the machine frame, biased towards the bogie against the work rollers of the bogie pressable conveyor rollers have.
  • These conveyor rollers can be in the machine frame provided longitudinal slots slidably guided be.
  • Another feature of the invention provides that the two Conveyor rollers in one, movably guided in the machine frame and to the bogie spring biased pressure frame are rotatably mounted, which side guide rollers for engaging with guide surfaces that are facing outwards facing lateral surfaces of the bogie are formed. This design simplifies the interaction between the fold-in device and the bogie.
  • the guide surfaces can limit the first folding process of the bogie according to the invention in the area of each the second folding gap forming work rolls a curve section which of the conveyor roller pair of the second Keeps gap forming work rolls away.
  • the Folded material pull-in device preferably with the pressure frame connected outer guide body as an outer boundary of a folded material feed chute, the inner Boundary is formed by an inner guide body that on the bogie in each case assigned to the second nip Edge area of the bogie is attached and with this circulates.
  • the fold-in device can one, preferably with a folded goods sensor have the provided contact mark for the folded goods. This training facilitates the correct input of the folded goods. An execution with folded goods sensor enables the operation of the Upsizing machine through the folded material itself.
  • the contact mark can be able to fold on a pivotable with respect to the bogie axis, compared to the machine housing Stop bracket may be arranged.
  • Another feature of the invention is that for simultaneous adjustment of the fold leg length of the first and second fold a the swiveling stop bracket Folded goods infeed device with the rotatable one Mechanical control device connecting cam Gear is provided. This allows one, each Folding length corresponding positioning of the first and second Fold.
  • Another feature of the invention provides that a non-stop folding material guide, surrounding the bogie and only the area of the fold-in device and the sheath in the machine frame is provided. This training allows a very compact Construction of the upset folding machine, in the between bogie and jacket only the space required for the feed of the folded goods is available.
  • FIG. 1 shows a longitudinal section through a first embodiment of an upset folding machine with two Rotary heads
  • Fig. 2 is a side view of the upset folding machine 1
  • FIG. 3 shows a section through the edging folding machine 1
  • 4 a simplified schematic illustration a section I-I of FIG. 1 with tiltable Guide elements for the relocation of the work rolls and a spreader cam of the control device for forcible Relocating the work rolls
  • Figure 5 shows a section through a on a rotating head movably mounted expanding cam mechanical control device for forcible displacement of the Work rolls
  • Fig. 6 shows the embodiment of Fig. 1 in Starting position with a feed chute for the folded goods
  • Fig. 7 a folded material deflector in an oblique view
  • FIG. 8 a Section through a further embodiment of a Compression folding machine with levers that can be swiveled in the bogie forced displacement of the work rolls
  • Fig. 9 schematically 8 shows a side view of the edging folding machine of FIGS. 8 and 10 schematically another embodiment of a Compression folding machine with levers movable in the bogie for forced shifting of the work rolls in side view
  • Fig. 11 the drive end of the upset folding machine 10 in section
  • FIG. 12 schematically a side view a further embodiment of an upset folding machine carriage movable in the bogie for moving the Work rolls
  • Fig. 13 schematically shows a side end of the Upset folding machine of FIG. 12 in front view
  • FIG. 14 the drive-side end of the upset folding machine of FIG.
  • the 15 is a view of the drive side of the upset folding machine 1, FIGS. 16-23 each schematically during a 360 ° folding process of successive roller positions an upset folding machine according to the invention including folded material, 24 and 25 roller positions during a 180 ° folding process, Fig. 26 a zigzag fold and Fig. 27 one Wrap fold.
  • the machine frame 1 essentially consists of a base plate 10, on which two to the base plate 10 at a distance from each other vertical side plates 11, 12 are arranged, between which the bogie 2 carrying the work rolls 3, 4, 5, 6 is arranged.
  • the work rolls 3, 4, 5, 6 are on their provide bearing axles 3a, 4a, 5a, 6a on both ends, which are rotatable in lateral rotary heads 13, 14 of the bogie 2 are stored.
  • the two rotary heads 13, 14 are by means of Rotary head axes 21, 22 rotatably mounted in the side plates 11, 12.
  • Each rotary head 13, 14 has one, the respective one Front ends of the work rolls 3, 4, 5, 6 adjacent frame plate 15, 16 on that of the bearing axles 3a, 4a, 5a, 6a the work rolls is interspersed and that on the respective Turret axis 21, 22 are rotatably mounted.
  • each turret 13, 14 are on the, of which Front ends of the work rolls 3, 4, 5, 6 facing away from the Frame discs 15, 16 four disc-shaped guide elements 17, 18, 19, 20 are provided, in each of which one of the bearing axes 3a, 4a, 5a, 6a of the work rolls 3, 4, 5, 6 rotatably mounted is.
  • the guide elements 17, 18, 19, 20 lie on their to the rotary head axis 21, 22 facing side in pairs four tilt axes 17a, 18a, 19a, 48, which on the frame disc 15, 16 distributed in a circle around the rotary head axis 21, 22 are arranged.
  • the tilt axes 17a, 18a, 19a, 48 assigned recesses of the guide elements 17, 18, 19, 20 are each eccentric to the bearing axis 3a, 4a, 5a, 6a work rolls 3, 4 mounted in the respective guide element, 5, 6 arranged.
  • Each of these tilt axes 17a, 18a, 19a, 48 is two adjacent guide elements 17, 18, 19, 20 together and is in the respective rotary head 13, 14 in the area of that Roll gap arranged, which of the work rolls of adjacent guide elements is formed.
  • the three tilt axes 17a, 18a, 19a are on the respective frame plate 13, 14 attached while the fourth tilt axis 48 as a control the mechanical control device for forced displacement is formed by work rolls.
  • the fourth tilt axis 48 is formed by a roller that can be displaced in the bogie, those for tipping apart the guide elements 17 and 20 or the work rolls 3 and 6 rotatably mounted in these as a spreading element between the two guide elements 17 and 20 can be pressed.
  • each individual work roll can alternate in size two adjacent work rolls are lifted off.
  • This can on the one hand by the folded material itself, e.g. by staples or the like, are caused and on the other hand by the mechanical control device for forced displacement caused by work rolls.
  • the bearing axles 3a, 4a, 5a, 6a of the work rolls are in the frame disks 15, 16 corresponding recesses (not shown) are provided, that allow these tilts.
  • the turret shown on the left in FIG. 1 is a drive turret 13 trained, the one hand the drive for the Work rolls 3, 4, 5, 6 contains and on the other hand with a Drive motor is connected.
  • This drive turret 13 has a rotary head axis 21 formed as a hollow shaft in the side plate 11 of the stationary frame 1 rotatably mounted and this side plate 11 from the inside out enforced.
  • Through the rotary head axis 21 leads as a solid shaft trained roller drive shaft 23 on its inner End a drive pinion 24 for driving the work rolls 3, 4, 5, 6 carries and at its outer end via a gear 29 is connected to the engine (not shown).
  • roller drive shaft 23 seated drive pinion 24 meshes with the two, each on one of the bearing axles 4a and 6a seated gears 25, 26.
  • bearing axles 4a and 6a further seat the drive gears 27 and 28 for the work rolls 4 and 6, which in turn each with those on the bearing axles 3a and 5a of the two neighboring ones Work rolls 3 and 5 seated drive gears (not shown) comb.
  • the drive turret 13 is when the turret axis is stationary 21 by means of a belt drive 13a over a lateral surface 42 of the bogie 15 driven.
  • the belt drive 13a is driven by a motor drive shaft 23b, which also a belt drive 23a for driving the roller drive shaft 23 drives (Fig. 15).
  • the tilting movement of the four guide elements 17, 18, 19, 20 acts a tension spring 30 or an O-ring opposing that along the outside of the four guide elements runs and the four guide elements 17, 18, 19, 20 in System on the tilt axes 17a, 18a, 19a, 48 and thus also the holds four work rolls 3, 4, 5, 6 in mutual contact.
  • the tension spring 30 also causes the guide elements to rest 17, 18, 19, 20 on the tilt axes 17a assigned to them, 18a, 19a of the frame disc 15, which not only the four guide elements allow a tilting movement, but moreover the non-positive connection between the frame disc 15 and form the work rolls 3, 4, 5, 6.
  • the leadership elements are as long as the spring 30 in contact with their tilt axes held until at least one guide element by the adjacent work rolls pushing apart folded material or by an expansion cam 8 of the mechanical control device tilted for forced shifting of work rolls becomes.
  • This expansion cam 8 sits on the in the side plate 11 rotatably mounted rotary head axis 21 and forms with the roller 48 a mechanical control device for forced displacement of the work rolls 3 and 6.
  • the rotary head 14 shown on the right in FIG. 1 also has the frame disc 16, the four guide elements 17, 18, 19, 20 the tilt axes 17a, 18a, 19a and the roller 48, and the in the side plate 12 rotatably mounted rotary head axis 22 also one parallel to the axis of rotation of the bogie 2 Falzgutabweiser 31, which is coaxial to the axis of rotation Actuating axis 31 'is fixed, and in between the four Work rolls 3, 4, 5, 6 lying free space protrudes.
  • This Falzgutabweiser 31 has a to the axis of rotation of the bogie eccentrically arranged and parallel to this deflecting surface 32 (Fig. 7), the angular position of which is not the adjusting device shown is adjustable.
  • the pressure frame 7 contains the two conveyor rollers 33, 34 which have a smaller outer diameter than the work rolls 3, 4, 5, 6, and is displaceable in the machine frame and over the slidably mounted in the side plate 12 Axis 7a is pivotally limited.
  • the conveyor rollers are by means of tension spring 7 'acting on the pressure frame for engagement with the respective work rolls 3, 4, 5, 6 of the Bogie preloaded.
  • the outer surface 35 of the frame plate 15 is designed as a guide surface on which on the bearing axles 38, 39 of the conveyor rollers 33, 34 seated Control rollers 36, 37 roll the conveyor rollers 33, 34th during the rotation of the bogie 2 over the guide body 40 of the feed chute 41 lead.
  • the bogie itself is surrounded by a jacket 43 which covers only the area of the folded goods infeed and the folded goods ejection.
  • the trained as a guide surface for the conveyor rollers 33, 34 The lateral surface 35 of the frame plate 15 or 16 can be in the area the work rolls forming the second nip 3, 4 or 5, 6 have a curve section 35 ', 35' ', which the two conveyor rollers 33, 34 of the two second working gap forming work rolls 3.4 or 5.6.
  • the rotating head axes rotatably mounted in the side plates 11, 12 21, 22 with the spreading cams 8 of the mechanical control device for forced shifting of work rolls via a transmission gear 44 with a pivotable stop bracket 45 connected.
  • a folded goods sensor 46 ' At the level of the landing mark 46 of the stop bracket 45 is a folded goods sensor 46 '.
  • FIG. 4 shows the direction of rotation of the bogie 2 and FIG. 6 the opposite to this direction of rotation Paper feed direction.
  • Fig. 4 further shows for a 360 ° rotation of the bogie 2 aligned embodiment the mechanical control device for forced displacement of work rolls with a radial Movement of a spreading element 48 designed as a roller Control element of the control device.
  • FIG. 5 shows an embodiment of a rigid rotating head axis 21 with a rotatably mounted thereon and as a control cylinder of the control device, formed hollow shaft 49, which at its inner end facing the bogie 2 Expansion cam 8 for engagement with the controls of Guide elements 17, 18, 19, 20 and on the outer End of the pivotable stop bracket 45 is attached.
  • the starting position of the four work rolls 3, 4, 5, 6 in the bogie 2 with the feed chute 41 and the folded material 9 shows Fig. 6.
  • the folded material is between the, between the two frame disks 15, 16 and parallel to the axes of rotation the work rolls attached and rotating with the bogie 2 Guide body 40 and the guide body 50 to Contact mark 46 of the stop bracket 45 introduced.
  • the folded material 9 with With the help of the guided to the bogie 2, the conveyor rollers supporting pressure frame 7 by the guide body 50 of the landing mark 46 lifted and then by pressing the work roll 4 is drawn in further against the feed rolls (Fig. 17, 18).
  • FIGS. 8 and 9 show a further embodiment of a Compression folding machine with one, in a stationary machine frame 51 rotatably mounted bogie 52, which four parallel rotating work rolls 53, 54, 55, 56 same Outside diameter contains, which with two in the machine frame 51 slidable conveyor rollers 57, 58 cooperate, which act as feed rollers and upsetting rollers.
  • each turret 63, 64 respectively on the, from the ends of the work rolls 53, 54, 55, 56 facing away from the frame plate 65, 66 two arcuate Swivel bracket 67, 68 provided, in each of which the bearing axles 53a, 54a and 55a, 56a of two adjacent work rolls 53, 54 and 55, 56 are rotatably mounted and which a forced displacement of the one work roll 54 or 55 by pivoting the swivel bracket 67, 68 about the bearing axis Allow 53a or 56a of the other work roll.
  • the turret shown on the left in FIG. 8 is a drive turret 63 formed, the one with the gears 72, 75, 76, 77 provided drive for the work rolls 53, 54, 55, 56 and on the other hand with a (not shown) Drive motor is connected.
  • This drive turret 63 has a split turret drive shaft, which in the side wall 62 of the machine frame 51 is rotatably supported and this side wall 62 passes through from the inside to the outside.
  • the turret drive shaft consists of a solid shaft 69, the at its inner end, the rack disc 65 and at its outer End carries a clutch 70, and from a coaxial Hollow shaft 71, which has a drive pinion at its inner end 72 for driving the work rolls 53, 54, 55, 56 carries which with a seated on the bearing axis 56a Gear 75 meshes.
  • the hollow shaft 71 is with the clutch 70 connected.
  • a gear 73 On the outer part of the hollow shaft 71 sits a gear 73, which with one of the (not shown) motor driven pinion 74 meshes.
  • the two work rolls are on the one hand in both rotary heads 63 and 64 53 and 54 by a first swivel bracket 67 with one another connected and on the other hand the two work rolls 55 and 56 by a second swivel bracket 68 with one another connected. Due to the rotatable mounting of the two work rolls 53 and 56 in the two frame plates 65 and 66 can only the two work rolls 54 and 55 each along the extent of the respective swivel bracket 67 or 68 connected adjacent work roll 53 and 56 from each other be swung away.
  • a tension spring acts on this pivoting movement 78 opposed to each of the two pivot levers 67, 68 attacks on that end area which is the bearing axis 54a or 55a of the pivotable relative to the bogie 52 Work roll 54 and 55 is adjacent.
  • the tension spring 78 holds the two pivotable work rolls 54, 55 as long as in mutual System until the two swivel levers 67, 68 through a spreading element 79 of the mechanical control device for forced displacement of work rolls apart will.
  • This expansion element 79 sits on one of the side plate 62 inwardly projecting, designed as a control cylinder sleeve-like extension 80 and has two expansion cams 81, 82 which are diametrically opposite each other and with provided on the inside of the pivot lever 67, 68 Control elements 83, 84 cooperate.
  • the rotary head 64 shown on the right in FIG. 8 has one parallel to the axis of rotation of the bogie 52, with the Turret 64 with revolving fold deflector 86, which on a is fixed to the axis of rotation coaxial actuating axis 87 and in the, lying between the four work rolls 53, 54 55, 56 free space protrudes.
  • This folded goods deflector 86 has one eccentric to the axis of rotation of the bogie and to this parallel flat deflecting surface, its angular position compared to the rotary head 64 by means of a only shown schematically Adjusting device 89 is adjustable.
  • the conveyor rollers that act as feed rollers and upsetting rollers 57, 58 have a smaller outside diameter than the four work rolls 53, 54, 55, 56 and are in the machine frame 51 slidably mounted. Both conveyor rollers 57, 58 are each in their respective working position by means of compression springs for engagement with one of the work rolls 53, 54, 55, 56 of the bogie biased.
  • Fig. 8 shows the compression springs 92, 93 on the in the side plates 61, 62 of the stationary Frame 51 slidably arranged side bearing bushes 90, 91 of the conveyor roller 58 act.
  • an upset folding machine is the Work rolls 53, 54, 55, 56 carrying bogie 52 with its two rotary heads each on a rigid rotary axis 94 a side wall 95 of the machine frame 51 rotatably mounted.
  • Fig. 11 shows the drive turret 96 of this bogie 52.
  • This drive turret 96 has one, the front ends adjacent to the work rolls 53, 54, 55, 56, frame disc 97 rotatably mounted on the rotary head axis 94, which is penetrated by the bearing axles 53a, 54a, 55a, 56a.
  • the frame plate 97 is over a, on the drive shaft 98th seated drive pinion 99, which with a on the frame disc 97 attached internally toothed gear 100 meshes a motor, not shown.
  • the drive transmission from via the drive pinion 99 rotated rack 97 on the drive gears the work rolls are carried out via a drive gear 102 arranged in parallel, also on the bearing axis 56a the work roll 56 seated gear 103, which with a the rigid rotating head axis 94 stationary gear 104 combs.
  • the two turrets of the bogie 52 each contain two swivel brackets 67, 68 in each of which the bearing axles 53a and 54a and 55a and 56a of two adjacent work rolls 53 and 54 or 55 and 56 are rotatably mounted.
  • the swivel bracket 67 in which the bearing axles 53a and 54a are rotatably supported, is pivotable about the bearing axis 54a while the pivot bracket 68, in which the bearing axles 55a and 56a are rotatably supported are pivotable about the bearing axis 56a.
  • FIG. 12 to 14 is another embodiment an upset folding machine according to the invention, which just like that of FIGS. 8 to 11, a stationary machine frame 51 with displaceably mounted feed roller 57, Slidably mounted compression roller 58 for the folded material 9 and a rotating in the machine frame 51 about a fixed axis of rotation Bogie 52 has two lateral Rotary heads 63, 64 exist in which the four parallel to each other Work rolls 53, 54, 55, 56 of the same outside diameter with their front bearing axles 53a, 54a, 55a, 56a rotatable are stored.
  • both lateral rotary heads 63, 64 are radial guideways for radially displaceable Carriage 109 formed guide elements provided in which the work rolls 53, 54, 55, 56 with their Bearing axles 53a, 54a, 55a, 56a each individually rotatably supported are.
  • Carriages 109 are in pairs with each other by tension spring 110 connected, which the carriage 109 radially to the bogie axis of rotation pull inside.
  • the bearing axles 53a, 54a, 55a, 56a of work rolls 53, 54, 55, 56 extend axially through the carriage 109 and bear on their laterally protruding end sections from the slides 109 Rollers 53b, 54b, 55b, 56b, which the radial displacement of the Form sled 109 controls that act on a radially outward-facing guide surface of an expansion element 79 lie, which is the same as in the embodiment of 8 and 9 on one of the side plate 62 of the stationary Frame 51 inwardly projecting sleeve-like extension 80 sits and has two expansion cams 81, 82.
  • the shift takes place of the work rolls 53, 54, 55, 56 by the over the Guide rollers 53b, 54b, 55b, 56b from expansion element 79 or whose cams 81, 82 derived radial displacement of the Carriage 109 in the frame disks 65, 66 of the rotary heads 63, 64 against the action of the tension springs 110.
  • the drive gears the work rolls 53, 54, 55, 56 are expedient trained in such a way that despite the shifting of the Sledges caused a slight increase in the center distance, which corresponds approximately to the maximum thickness of the folded material 9, do not disengage or jam.
  • the drive can do folding machines and large folding material thicknesses the work rolls via toothed belts or the like.
  • FIG. 16-23 are successive positions the bogie of a paper folding machine according to the invention when folding a zigzag fold (Fig. 16-21, 23) and of a lap fold (Fig. 16-20, 22) in a 360 ° working rotation (Fig. 16-23) and with a 180 ° working rotation (Fig. 24, 25) of the bogie.
  • Fig. 26 shows one Zigzag fold
  • Fig. 27 a wrap fold. The clarity only the positions of the four work rolls are for the sake of each relative to each other and relative to the conveyor rollers and the position of the folded goods and that of the folded goods deflector are shown.
  • Compression folding machines can, depending on the requirements, different Execution of the control of the two folding stations or the respective folding machine can be realized.
  • an upset folding machine with a purely mechanical one Control, a stationary expanding cam on a rigid rotating head axis, a forced coupling of work rolls and bogie with a constant gear ratio between work roll speed and bogie speed and one rigid landing mark.
  • a forced coupling of work rolls and bogie with a constant gear ratio between work roll speed and bogie speed and one rigid landing mark.
  • only Folded goods with the same format and with the same Folded leg lengths are folded.
  • the paper is inserted up to the contact mark 46 here
  • the folded goods sensor then sets the drive in motion (Fig. 16).
  • the lateral surface 35 formed as a guide surface Rack disks 15, 16 allow the conveyor rollers to pivot 33 and 34 to the bogie, where that between the conveyor rollers and the work roll 4 lying material by the stop the work roll 4 to the feed roller 34 further into the Folding device is conveyed (Fig. 17).
  • the constant gear ratio between work rolls and bogie when turning the bogie further the stop of the work roll 5 to the conveyor roller 34 at exactly that point in conjunction with the counter-rotating work roll 4 and conveyor roller 33 to form the first folding loop and for their inclusion by the work rolls 4 and 5 that Paper must be returned in the opposite direction (Fig. 19).
  • the contact mark 46 with the folded goods sensor 46 'and either on the rigid rotating head axes 21, 22 rotatably mounted (Fig. 5) or on the stationary frame rotatably mounted rotating head axles 21, 22 seated Spreading cams 8 are, however, manually adjustable. Becomes a Folded larger format, the contact mark 46 is exactly that Measure away from the first fold by which the first fold leg compared to that of the smaller format is bigger. Due to the fixed movement of the bogie 2 and the conveyor rollers 33, 34 form the first Folding loop always in the same place in feed slot 41 the folder.
  • the landing mark 46 and the Expanding cams 8 and the rotary head axes 21, 22 are again rigidly mounted.
  • the control takes place by means of a control magnet, the drive of the bogie 2 from that of the work rolls 3, 4, 5, 6 decouples.
  • the drive of the bogie 2 When using a larger paper size becomes, for example, for the first longer leg of folded goods the drive of the bogie briefly interrupted while the longer paper size of the first folded leg of the work roll 4 is drawn in.
  • the first folding station is still in the same place.
  • the drive is at the second fold the bogie 2 before passing the rigid Expansion cams 8 also briefly interrupted and the longer paper size of the second fold leg is from the work rolls 4, 5 fed.
  • This embodiment comes apart from a necessary one Control magnets with the corresponding electronic control still without flow pockets and without a plurality of Electromagnets to actuate the flow limiter.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Agricultural Machines (AREA)
  • Soil Working Implements (AREA)
  • Seal Device For Vehicle (AREA)
EP93922855A 1992-10-19 1993-10-13 Stauchfalzmaschine Expired - Lifetime EP0664764B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0206092A AT401046B (de) 1992-10-19 1992-10-19 Stauchfalzmaschine
AT2060/92 1992-10-19
PCT/AT1993/000154 WO1994008882A1 (de) 1992-10-19 1993-10-13 Stauchfalzmaschine

Publications (2)

Publication Number Publication Date
EP0664764A1 EP0664764A1 (de) 1995-08-02
EP0664764B1 true EP0664764B1 (de) 1998-04-22

Family

ID=3526925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93922855A Expired - Lifetime EP0664764B1 (de) 1992-10-19 1993-10-13 Stauchfalzmaschine

Country Status (11)

Country Link
US (1) US5803890A (ja)
EP (1) EP0664764B1 (ja)
JP (1) JP2802341B2 (ja)
KR (1) KR100310075B1 (ja)
AT (2) AT401046B (ja)
AU (1) AU676215B2 (ja)
CA (1) CA2147256C (ja)
DE (1) DE59308452D1 (ja)
DK (1) DK0664764T3 (ja)
ES (1) ES2118261T3 (ja)
WO (1) WO1994008882A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6899664B2 (en) * 2003-09-24 2005-05-31 Gregory R. Gale Device for returning folded paper and folding apparatus including same
AT500981B1 (de) 2004-11-02 2006-10-15 Zechner Karl Stauchfalzmaschine
DE602005019313D1 (de) * 2005-12-31 2010-03-25 Neopost Technologies Sa Kuvertierer mit Motor und kontrollierbarer Kupplung
AT525101A1 (de) 2021-05-25 2022-12-15 Karl Zechner Falzmaschine für Papier und weiches Faltgut

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU441773A1 (ru) * 1973-07-12 1976-05-25 Типография Издательства "Известия" Фальцаппарат ударного типа газетных ротационных печатных машин
JPS527800A (en) * 1975-07-08 1977-01-21 Toshiba Corp Processing equipment for paper forms
SE411197B (sv) * 1977-10-27 1979-12-10 Noren Arne Ingvar Anordning for att boja ett material exempelvis en tidning, i en vinkel av 180Ÿ
DE2757182C2 (de) * 1977-12-22 1983-09-29 Mathias Bäuerle GmbH, 7742 St Georgen Stauchfalzmaschine
EP0059357B1 (de) * 1981-02-26 1985-09-25 Hasler AG Falzmaschine
AT387952B (de) * 1987-12-22 1989-04-10 Zechner Karl Faltvorrichtung

Also Published As

Publication number Publication date
DK0664764T3 (da) 1999-02-15
WO1994008882A1 (de) 1994-04-28
CA2147256A1 (en) 1994-04-28
AT401046B (de) 1996-05-28
ATE165309T1 (de) 1998-05-15
DE59308452D1 (de) 1998-05-28
KR100310075B1 (ko) 2001-12-28
AU5171993A (en) 1994-05-09
JP2802341B2 (ja) 1998-09-24
JPH07507757A (ja) 1995-08-31
ES2118261T3 (es) 1998-09-16
EP0664764A1 (de) 1995-08-02
CA2147256C (en) 2005-01-18
US5803890A (en) 1998-09-08
ATA206092A (de) 1995-10-15
AU676215B2 (en) 1997-03-06
KR950703479A (ko) 1995-09-20

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