EP3235654A1 - Shaping tool and device for the forming of book covers - Google Patents
Shaping tool and device for the forming of book covers Download PDFInfo
- Publication number
- EP3235654A1 EP3235654A1 EP17166883.3A EP17166883A EP3235654A1 EP 3235654 A1 EP3235654 A1 EP 3235654A1 EP 17166883 A EP17166883 A EP 17166883A EP 3235654 A1 EP3235654 A1 EP 3235654A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- deformation
- book
- deformation tool
- book cover
- 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
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- 238000007493 shaping process Methods 0.000 title description 2
- 238000000465 moulding Methods 0.000 claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 230000001419 dependent effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011111 cardboard Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders
- B42C7/004—Rounding the back of covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C11/00—Casing-in
- B42C11/04—Machines or equipment for casing-in or applying covers to books
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders
- B42C7/005—Creasing the back of covers
Definitions
- the invention relates to a deformation tool for a device for rounding a back region and for deforming in each case one lying on both sides of the back region adjacent Falz Schemes lying outstretched book covers according to the shape of the back of a book post together with a book cover book block and a device with at least one such deformation tool.
- the industrial Buchendher too of hardcover books is mainly on book production lines on which book blocks are each combined with an associated book cover to finished books.
- hooking i.
- edge-precise joining is decisive for a harmonious connection.
- the prior adaptation and possibly deformation of the book cover in its central area i. in the back area, which takes up the back of the book block in the finished book.
- Equally important is the deformation of the fold areas of the book cover, which adjoin each other directly at the center area, which form the later opening hinges of the finished book.
- the deformation tools must be designed to be adjustable and / or replaceable.
- From the DE1436086 A is a bookbinding machine with a hooking known, in which the book cover is transferred from a magazine in a deformation station. There, the book cover in the back area is first rounded by a deformation tool. During the course of the formation of the fold areas separating the back area from the lateral book covers of the book cover Disengaging the deformation tool two Falzformschienen in the opposite direction at least brought up to the book cover.
- This in the DE1436086 A only very generally described procedure can be the DE19853254 A1 in more detail, which relates to a device for rounding book covers. There, the back portion of the book cover is pressed by means of a trained according to the shape of the book block, heated deformation tool against an elastically deformable support.
- the back area is rounded and the pressed-in rebate areas are made articulated.
- the deformation tools are kept ready in common shape-dependent gradations and replaced in a change in the back shape of the book cover or the thickness class of the associated book block. Accordingly, the production of books of different thicknesses requires the provision of a number of corresponding forming tools, which causes relatively high costs for the forming tools and thus also for the entire device for deforming book covers.
- the required manual change of the deformation tools also increases the set-up times of the machine. Finally, the newly used deformation tools have no operating temperature and must therefore be heated after installation first.
- each interchangeable deformation tool has two spaced-apart, each resting on a tool bar by means of a baseboard, vertical moldings.
- the moldings are arranged in an initial position below and spaced from the book cover, which is initially still in an extended position.
- To form the provided on both sides of the back region folding areas of the book cover the moldings are dug together with their tool bar against above arranged Gegenformancen.
- To deform the book cover is a heat application on the deformation tools.
- the tool bar carrying the deformation tool rests on an intermediate element designed as a heating element and equipped with heating rods. With the heating element, the deformation tool is both brought to operating temperature and held on this.
- the moldings in a management level in each case with two along its longitudinal extent spaced from each other, are coupled eccentrically rotatable about a vertical axis driven and guided in the tool bar drivers.
- the distance between the two support strips and thus the width of the back region of the book cover can be adjusted within a certain thickness class via an adjustment of the drivers taking place by means of a common drive.
- the introduction of the actuating force takes place in the tool bar by means of a positioning mechanism arranged below this.
- An actuator is arranged parallel to a longitudinal axis of the deformation tool.
- the EP2923852 A2 also relates to a device for deforming book covers.
- a second book cover forming tool suitable for round back book blocks.
- this deformation tool on a base element, in which a first mold element is slidably disposed. It is achieved by means of a ramp-shaped guide that with a longitudinal displacement of the first element element and its altitude relative to the base element can be changed.
- a second mold element is arranged in the first mold element, so that both mold elements can be adjusted to one another or to the base element in a vertical plane to the flat-stretched book cover.
- both the width and the height can be used as needed
- the curvature of the back area successively to be processed book covers are formed differently without changing the deformation tool.
- the two separately to be adjusted form elements of this deformation tool each require a separate drive and separate fasteners, so that the deformation tool is relatively complex and expensive. Due to the adjustment in the vertical direction of the two form elements occurring during deformation of the back region of the book covers forces must be absorbed by the connecting elements and / or the drive, which can lead to a deterioration in the quality of the trainees rounding of the back area due to the existing game. In addition, vertical gaps are formed both between the base element and the first mold element and between the first and the second mold element of the deformation tool. When deforming the usually consisting of paper and / or cardboard, to be deformed back areas material components can solve and penetrate into this vertical column.
- the object of the invention is therefore to provide a simple and cost-effective deformation tool and a device having at least one such deformation tool for rounding the back region lying outstretched book covers and for deforming a fold region adjacent to both sides of the back region, respectively one after the other jointly with one of the Book covers to create a book-forming book block.
- the deformation tool and the device in a simple manner to a deviating in a follow-on order thickness and / or Adjusted shape of the deformed back area and a consistently good quality of the rounding of the back area can be ensured.
- the deformation tool according to the invention has a fixed, convex center-forming web and two laterally adjoining the center-forming web, also laterally adjustable, likewise convex, outer moldings, corresponding to the required rounding and width of the back region of the book cover.
- Such a simple and inexpensive deformation tool can be adjusted very easily and quickly by a corresponding lateral adjustment of the outer moldings according to a subsequent order with different thickness and / or shape of the back region to be deformed.
- a consistently good quality of the rounding of the back area as well as the deformation of the folding area adjoining on both sides can thus be ensured.
- the deformation tool according to the invention has a tool bar that is positively or positively connected to the center molding web and the outer moldings.
- a tool bar can advantageously accommodate different deformation tools and pass on the necessary lifting and adjusting movements to the respectively recorded deformation tool.
- the center forming web is designed symmetrically and, in a region facing the tool bar, has on both sides a respective recess for at least partially receiving the outer moldings.
- the outer moldings are designed to be adjustable symmetrically with respect to a longitudinal center axis of the center mold web. Analogous to the symmetrical design of the book block so that the book cover can be symmetrically formed. This can be advantageously realized with a single actuator.
- the inventive device for deforming a back region and in each case one lying on both sides of the back region adjacent fold region lying outstretched book covers is advantageously equipped with at least one inventive deformation tool.
- At least one deformation tool is arranged to cooperate with a counter tool aligned with an outer side of the back region of the book covers.
- the counter tool has two mutually spaced, corresponding to the width of the back portion of the book cover laterally adjustable Gegenformmannn.
- At least two different deformation tools suitable for different thickness classes of back regions of the book covers to be deformed are arranged.
- a device equipped with two different deformation tools according to the invention can deform book covers for corresponding book blocks with a thickness of up to 60 mm.
- very few deformation tools are needed to cover a relatively large thickness range to be deformed book covers.
- the device according to the invention has a working position for a first deformation tool and in each case a rest position for at least one second deformation tool. With the rest position is advantageously given a specific position for the at least one, not in the working position deformation tool.
- the first deformation tool located in its working position is aligned with an inner side of the back region of a book cover, lifting the back region of the book cover between the two counter-molding strips and thereby forming a back web of the book cover.
- At least one preheating station for the at least one second deformation tool located in the rest position is arranged in the device. Due to the presence of the at least one preheating station, the deformation tool required for a new work order can be transferred from the rest position to the working position already preheated. Therefore, the new deformation tool is ready for use immediately, whereby a relatively short job change can be realized. Since the preheating of the deformation tools in the device and thus in the immediate vicinity of the site, the hot deformation tools are housed protected against unauthorized access. By a corresponding production control, the production orders can be summarized according to the format change and the effectiveness of the machine can be increased, since subsequent orders are driven with the same preheated deformation tool.
- a separate preheating station is arranged for each deformation tool. This allows an even faster exchange of the deformation tools and thus a faster format change done, which increases the performance of the device.
- At least one sensor for identifying the deformation tools is arranged. Through this identification, an error-free assignment of the deformation tools to the respective work order and ultimately also an increase in performance is possible in advance.
- the at least one sensor is arranged in at least one of the preheating stations and aligned with a deformation tool located in its rest position or the at least one sensor is arranged on a receiving element for the tool bar and aligned with a deformation tool located in its working position.
- the tool bar of the respective deformation tool arranged in the working position can be coupled to an actuator.
- this actuator is arranged laterally to an imaginary, vertical plane through a longitudinal center axis of the tool bar located in its working position.
- each deformation tool its own coded preheating station, the temperature of which can be set as a function of the book cover to be processed.
- the temperature settings of the different materials are stored in the machine control and can be assigned to the coded preheating stations based on the existing order data of the follow-up orders.
- the grading of the deformation tools according to thickness classes is dependent on other parts of the book making machine, so that a rational production is ensured within this grading.
- the gradations are determined in terms of book thickness so that in a grading in any area of the book production line replacement parts must be replaced.
- the Fig. 1 shows a partial representation of an inventive device 1 for deforming lying outstretched book covers 2 ( Fig. 5 . Fig. 7 ), which are combined together with each one having a round back, not shown book block to a book, also not shown.
- a book cover 2 consists essentially of two lateral book covers 3, 3 'and a the back of the book block receiving, referred to as back portion 4 middle part ( Fig. 4 to Fig. 9 ).
- the back region 4 may be provided on its inside with a reinforcing, for example cardboard or waste paper insert 5 ( Fig. 5 . Fig. 7 ).
- the book cover 2 has on both sides of the back region 4 each one of these with the book covers 3, 3 'connecting and in the finished book in each case an opening hinge forming fold region 6, 6' on ( Fig. 4 to Fig. 8 ).
- the device 1 is equipped with a first deformation tool 10 located in a working position 7 and also brought from a lowered into an excavated position, which is coupled to an actuating drive 9 designed as a drive motor.
- actuating drive 9 designed as a drive motor.
- spindle or worm drives can be used as an actuator.
- the Fig. 2 shows an enlarged view of a second inventive deformation tool 10 'of the device 1.
- the second deformation tool 10' is then coupled to the actuator 9 when the next book cover to be deformed 2 requires a different thickness classes of back regions 4 according to a subsequent production order.
- the two fold regions 6, 6' are reshaped and their back region 4 is rounded from the extended position such that the deformed book cover 2 'is subsequently suitable, with a corresponding book block to be connected to a book.
- the first forming tool 10 has a fixed, convex Mittenformsteg 21 and two laterally of the Mittenformstegs 21 to this subsequent, according to the required rounding and width of the back portion 4 of the book cover 2 to be deformed laterally adjustable, also convex, outer moldings 22, 22 ' , Both the central forming web 21 and the two outer moldings 22, 22 'are located on a common tool bar 13 and are connected to this non-positively or positively.
- the two outer moldings 22, 22 'on the tool bar 13 arranged laterally displaceable. In this way, the outer moldings 22, 22 'can be adjusted according to the required width of the back region 4 of the book cover 2.
- the outer moldings 22, 22 ' are provided on their underside, for example, with permanent magnets, not shown, or with switchable and disconnectable electromagnets which generate on the top of the ferrous tool bar 13 relatively large forces of attraction. These attractive forces ensure intimate contact between the upper side of the tool bar 13 and the outer moldings 22, 22 ', so that a good heat transfer into these outer moldings 22, 22' and thus to the book cover 2 to be deformed is ensured.
- the tool bar 13 has approximately the length of the outer moldings 22, 22 'and is formed wider than the required for the largest to be deformed with the device 1 book cover 2 distance of the outer moldings 22, 22'.
- the tool bar 13 located in its working position 7 like the first forming tool 10 rests on a receiving element 14 of the device 1.
- the actuator 9 is arranged laterally to an imaginary, vertical plane through a longitudinal central axis 15 of the tool bar 13 ( Fig. 3 ).
- the outer moldings 22, 22 ' are arranged symmetrically to a longitudinal central axis 24 of the central forming web 21 and symmetrically to this longitudinal central axis 24 adjustable.
- the at least approximately over the height of a book cover 2 extending first deformation tool 10 is in its lowered position first below and spaced to a serving for deformation and in Fig. 4 shown support plane 16, which is arranged transversely to the conveying direction of the book block a downstream of the device 1, the connection of the book block with the rounded book covers 2 'serving, not shown hanging machine runs.
- the device 1 in addition to the located respectively in the working position 7 and directed to an inner side 17 of the back region 4 of a book cover 2 to be deformed deformation tool 10 also arranged above the deformation tool 10, cooperating with this and on an outer side 18 of the deformed or deformed back portion 4, 4 of this book cover 2 'directed counter tool 19.
- the counter tool 19 has two mutually spaced, perpendicular and aligned parallel to the back region 4 of the book cover 2 to be deformed Gegenformadorn 20, 20 '( Fig. 5 . Fig. 7 ). These are also formed according to the required width of the back portion 4 of the book cover 2 to each other adjustable.
- the second deformation tool 10 ' also has a fixed position, in the working position in the direction of the counter-tool 19 (FIG. Fig. 5 ) aligned, convex Mittenformsteg 21 and two laterally of the Mittenformstegs 21 arranged according to the rounding and the width of the back portion 4 of the book cover 2 to be deformed laterally adjustable and in the working position 7 also in the direction of the counter tool 19 aligned, convex outer moldings 22, 22 ' on.
- the center forming web 21 is formed symmetrically and has in a region facing the tool bar 13 on both sides a respective recess 23, 23 'for at least partially receiving the outer moldings 22, 22'. The latter are formed symmetrically to a longitudinal central axis 24 of the central forming web 21 adjustable.
- two end-side guides 25, 25 ' can absorb the process forces when deforming the respective book cover 2.
- two protuberances 26, 26 'of each of the two end-side guides 25, 25' penetrate into end-side grooves 27, 27 'of the outer moldings 22, 22 'and hold them on contact with the tool bar 13.
- the setting of the two end guides 25, 25' may be such that they withstand a thermal expansion of several hundred degrees Celsius without impairment and a smooth movement of the outer moldings 22, 22 ' do not counteract.
- the respective deformation tool 10, 10' together with the tool bar 13 is initially lifted against the counter-tool 19 or its counter-molding strips 20, 20 'arranged above and with the center forming web 21 and the outer moldings 22, 22 'a spine 28 of the book cover 2' is formed.
- Fig. 3 shows a partial view of the inventive device 1 with removed deformation tool 10, 10 '.
- the tool bar 13 also serves to receive rotary bodies, for example, vertical axes of rotation 30, 30 'drivable discs 31, 31', which are mounted in spaced along the tool carrier 13 recesses 32, 32 'of the tool carrier 13.
- the discs 31, 31 ' have, on their side aligned with the deformation tool 10, 10' located in the working position 7, with respect to the respective axis of rotation 30, 30 'opposing drivers 33, 34, 33', 34 '.
- the rear outer mold bar 22 has corresponding, but here concealed recesses 35, 35 ', in which in each case one of the drivers 33, 33' engages.
- the drivers 33, 34, 33 ', 34' a disc 31, 31st 'in an initial position, for example, at an angle of approximately 45 ° to the longitudinal central axis 15 of the tool bar 13 diametrically opposite aligned ( Fig. 3 ).
- the rotational movements of the disks 31, 31 ' are realized by means of a slide 37 of a sliding device 38 which is fastened to the circumference of each disk 31, 31' and laterally projects beyond the tool beam 13, by means of a slide 37 of a sliding device 38 which is connected to a drive cam 39.
- the movement cams 36, 36 'projecting on one side of the tool bar 13 are connected by means of joints 40, 40' or lateral guides to the slide 37 which is displaceably mounted on a frame 41 of the device 1 and displaceable back and forth.
- the drivers 33, 34, 33', 34 ' respectively move inwardly or outwardly and thereby reduce or increase the distance between the outer moldings 22, 22' of the forming tool 10, 10 '.
- the outer moldings 22, 22 'of the deformation tool 10, 10' during rotation of the discs 31, 31 'do not move in their longitudinal direction mutually, is between the tool bar 13 and located in each working position 7 deformation tool 10, 10' a transverse directed to the longitudinal extent of the first guide assembly 42 is provided, for example, a transverse to the longitudinal extent of said components groove 42 'in the tool bar 13 and an engaging pin 42 "( Fig. 1 ) or the like.
- the deformation tool 10, 10 ' has. In this way it is ensured that the outer moldings 22, 22 'exclusively transverse to the longitudinal extent of the respective forming tool 10, 10' are adjustable. This represents an alternative solution to the previously described, end-side guides 25, 25 '.
- Fig. 4 shows a cross section of the equipped with a first forming tool 10 and a counter tool 19 device 1 and an already deformed book cover 2 'with rounded back portion 4' and with the two deformed fold areas 6, 6 '. Shown here is the arrangement of the also associated with the frame 41 deformation tool 10 and connected via the slider 37 with the forming tool 10 sliding device 38.
- the drive with the discs 31, 31 ', flat downwardly extending slide 37 has a second guide assembly 43rd on ( Fig. 3 ), which allows its displacement parallel to the longitudinal extent of the tool bar 13.
- the second guide assembly 43 has two extending in this direction, spaced from each other arranged slots 44, 44 'and each one attached to the frame 41, the slots 44, 44' associated and immersed in this sliding block 45, 45 ', where the slide 37th is moved back and forth.
- a bottom-up reaching slot-like opening 46 ( Fig. 1 . Fig. 3 ) provided for the drive cam 39 designed as a driver, which is indirectly connected to the actuator 9.
- the opening 46 permits lifting and lowering of the first deformation tool 10 connected to the frame 41.
- the illustrated actuator 9 is a geared motor whose output shaft 47 is formed as a spindle.
- the output shaft 47 intermeshes a spindle nut of a guided on a rod 49 in the direction of the sliding movements of the slider 37 actuator 48 to which the drive cam 39 is attached.
- bearing plate 50 and a bearing block 51 are provided.
- a rack and pinion gear can be provided as an actuator.
- the arranged below the tool bar 13 receiving element 14 is designed as a heating element and equipped with heating rods 54, from which the heat on the tool bar 13 and the center forming web 21 and the moldings 22, 22 'is transmitted to the deformed back portion 4 of the book cover 2 to keep the deformation tool 10 at operating temperature.
- a centering device 75 connected to the receiving element 14 with a conical positioning pin 55 is provided (FIG. Fig. 1 . Fig. 3 ), which under spring pressure in a designated bore 56 ( Fig. 2 ) is engaged on the front side of the tool bar 13.
- the Fig. 5 shows a section of the device 1 with the located in its working position 7 second deformation tool 10 ', with the Jacobformancen 20, 20' of the counter tool 19 and on inner support elements 57, 57 'of a ceiling feed 58 (FIGS. Fig. 9
- the second deformation tool 10 ' is still in its lowered position, ie below the support plane 16 and thus spaced from the book cover 2.
- the second deformation tool 10' to a width 59 of the insert 5 of the back region 4 of the book cover 2 set.
- the outer moldings 22, 22 'of the second deformation tool 10' on the support surface 29 ( Fig.
- the Fig. 6 shows the second deformation tool 10 'in his meantime by a hub 61 from the in Fig. 5 shown position raised upward position.
- the stroke 61 is dependent on the thickness of the respective book block and the associated book cover 2 and is calculated by a machine control, not shown, and as described above transferred to the second forming tool 10 '.
- the insert 5 and thus the now rounded back region 4 'of the book cover 2' has shortened from its original width 59 to a projected width 59 'forming a back web 28, wherein inner edges of the Gegenformancen 20, 20' with outer edges of the insert. 5 to lock.
- the projected width 59 'of the insert 5 thus corresponds to a thickness of the associated, rounded and pressed book block.
- FIG. 7 Analogous to Fig. 5 show the Fig. 7 a section of the device 1, with the second deformation tool 10 ', also in its lowered position of the working position 7, with the counter-molding strips 20, 20' of the counter-tool 19 and with a deformation-ready, belonging to a rounded and pressed book block with a different thickness Book cover 2 with a different format.
- the second deformation tool 10 ' is therefore set to a width 62 of a different format insert 5' of the back portion 4 of the book cover 2 also having a different format.
- the new shape or the equivalent radius of the second deformation tool 10' is set.
- the outer moldings 22, 22 ' symmetrically to the longitudinal central axis 24 of the central forming web 21 have been adjusted to the outside.
- FIG. 7 Analogous to Fig. 6 show the Fig. 8 that, however, accordingly Fig. 7 set second deformation tool 10 'in its meantime by a stroke 64 from the in FIG. 7 shown position raised upward position.
- the insert 5 'of the back region 4 which has a different format, and thus the now rounded back region 4' of the book cover 2 'has been shortened from the original width 62 to a projected width 62', inner edges of the counter-molding strips 20, 20 'likewise being shortened with outer edges of the insert 5 'complete.
- the stroke 64 of the second deformation tool 10 ' is as for Fig. 6 calculated and set automatically.
- Fig. 9 shows a perspective plan view of an inventive device 1 and two for different thickness classes of back regions 4 of the book covers 2 to be deformed, deformation tools 10, 10 '.
- the device 1 is integrated by way of example into the ceiling feed 58 of a book production line 65 which is merely indicated here.
- the device 1 is accordingly through the ceiling feed 58 and the book covers 2 thereon largely obscured.
- Fig. 9 From the device 1 only the counter tool 19 with a suspension 66 in a machine frame 67 of the ceiling feed 58 and a recorded in its working position in the device 1 forming tool 10 can be seen.
- a separate preheating station 68, 69 for each deformation tool 10, 10 '.
- one of the deformation tools 10, 10 ' is always installed in the device 1.
- Corresponding Fig. 9 is the first deformation tool 10 in the device 1, while the second deformation tool 10 'is located in the preheating 69 and is just warmed up or waiting at its set temperature for its next use. It is thus in a rest position 7 '.
- the pre-heating station 68 provided for the deformation tool 10 built into the device 1 is currently empty.
- Empty preheating stations 68, 69 can be set directly by the machine operator or via a controller to a lower temperature. It is monitored which Voricarmstation 68, 69 is just empty and which deformation tool 10, 10 'is thus in the device 1 and whether this deformation tool 10, 10' is suitable for the current order.
- the preheating stations 68, 69 can be constructed in such a way that they are only suitable for receiving a specific deformation tool 10, 10 '. In the example of Fig. 9 In the empty preheating station 68, only the deformation tool 10 currently in its working position 7 would then fit into the empty preheating station 68.
- a separate preheating station 68, 69 need not naturally be arranged for each deformation tool 10, 10 '. In general, it is sufficient if the respectively to be transported in its working position 7 deformation tool 10, 10 'from its rest position 7' in a preheating station 68, 69 can be removed.
- a corresponding sensor 70 can be arranged.
- the sensor 70 may be located in at least one of the preheat stations 68, 69 (FIG. Fig. 9 ) and aligned with a deformation tool 10 'located in its rest position 7'.
- the sensor 70 can also be attached to a receiving element 14 for the tool bar 13 (FIG. Fig. 4 ) and be aligned with a deformation tool 10 located in its working position 7.
- the deformation tools 10, 10 'each have an elevator hook 71 on an end face of their tool bar 13. This serves to lift or install a deformation tool 10, 10 'from or into its working position 7 or from or into its rest position 7' by means of a hoist, also not shown.
- the ceiling feed 58 in addition to the two inner support elements 57, 57 'also two outer support elements 72, 72' for the book covers 2, an auxiliary device 73 for insertion of book covers 2 and fuse strips 74, 74 'for preventing the lifting of the book covers 2 at Deformation process on.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Treatment Of Fiber Materials (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Die Erfindung betrifft ein Verformungswerkzeug (10, 10') für eine Vorrichtung zum Runden eines Rückenbereichs (4) und zum Verformen jeweils eines beidseitig des Rückenbereichs (4) angrenzenden Falzbereichs (6, 6') liegend ausgestreckter Buchdecken (2) entsprechend der Form des Rückens jeweils eines nachgängig gemeinsam mit einer Buchdecke (2) ein Buch bildenden Buchblocks. Das Verformungswerkzeug (10, 10') weist einen feststehenden, konvexen Mittenformsteg (21) und zwei seitlich an diesen anschließende, entsprechend der erforderlichen Rundung sowie Breite des Rückenbereichs (4) der Buchdecke (2) seitlich verstellbare, ebenfalls konvexe, äußere Formleisten (22, 22') auf. Zudem betrifft die Erfindung eine Vorrichtung (1) mit zumindest einem solchen Verformungswerkzeug (10, 10'). The invention relates to a deformation tool (10, 10 ') for a device for rounding a back region (4) and for deforming a book cover (2) lying horizontally stretched out lying on both sides of the back region (4) in accordance with the shape of the cover Back each one of a book block together with a book cover (2) forming a book. The deformation tool (10, 10 ') has a fixed, convex center-forming web (21) and two laterally adjoining thereto, corresponding to the required rounding and width of the back region (4) of the book cover (2) also adjustable, convex outer moldings (22 , 22 '). In addition, the invention relates to a device (1) with at least one such deformation tool (10, 10 ').
Description
Die Erfindung betrifft ein Verformungswerkzeug für eine Vorrichtung zum Runden eines Rückenbereichs und zum Verformen jeweils eines beidseitig des Rückenbereichs angrenzenden Falzbereichs liegend ausgestreckter Buchdecken entsprechend der Form des Rückens jeweils eines nachgängig gemeinsam mit einer Buchdecke ein Buch bildenden Buchblocks sowie eine Vorrichtung mit zumindest einem solchen Verformungswerkzeug.The invention relates to a deformation tool for a device for rounding a back region and for deforming in each case one lying on both sides of the back region adjacent Falzbereichs lying outstretched book covers according to the shape of the back of a book post together with a book cover book block and a device with at least one such deformation tool.
Die industrielle Buchendfertigung von Hartdeckenbüchern erfolgt überwiegend auf Buchfertigungsstraßen, auf denen Buchblocks jeweils mit einer zugehörigen Buchdecke zu fertigen Büchern vereinigt werden. Beim sogenannten Einhängen, d.h. beim Verkleben der Buchdecke mit dem Buchblock, ist deren kantengenaues Fügen für eine harmonische Verbindung maßgebend. Von Bedeutung für eine hohe Buch-qualität ist deshalb das vorgängige Anpassen und ggf. Verformen der Buchdecke in ihrem Mittenbereich, d.h. in dem Rückenbereich, der im fertigen Buch den Rücken des Buchblocks aufnimmt. Ebenso wichtig ist das Verformen der sich beidseitig unmittelbar an den Mittenbereich anschließenden Falzbereiche der Buchdecke, welche die späteren Öffnungsscharniere des fertigen Buchs bilden. Die Anforderungen an das jeweils unter Wärmeeinwirkung erfolgende Verformen der Buchdecke und damit an das dazu verwendete Verformungswerkzeug unterscheiden sich danach, ob das fertige Buch einen gerundeten oder einen eckigen Rücken aufweist sowie je nach der Form der Rundung und nach der Buchdicke. Dementsprechend müssen die Verformungswerkzeuge verstellbar und/oder austauschbar ausgebildet sein.The industrial Buchendherstellung of hardcover books is mainly on book production lines on which book blocks are each combined with an associated book cover to finished books. In so-called hooking, i. When gluing the book cover to the book block, its edge-precise joining is decisive for a harmonious connection. Of importance for a high book quality is therefore the prior adaptation and possibly deformation of the book cover in its central area, i. in the back area, which takes up the back of the book block in the finished book. Equally important is the deformation of the fold areas of the book cover, which adjoin each other directly at the center area, which form the later opening hinges of the finished book. The requirements for each under heat deformation of the book cover and thus to the deformation tool used differ depending on whether the finished book has a rounded or a square back and depending on the shape of the curve and the book thickness. Accordingly, the deformation tools must be designed to be adjustable and / or replaceable.
Aus der
Der dazu erforderliche manuelle Wechsel der Verformungswerkzeuge erhöht zudem die Rüstzeiten der Maschine. Schließlich weisen die neu eingesetzten Verformungswerkzeuge noch keine Betriebstemperatur auf und müssen daher nach dem Einbau zunächst aufgeheizt werden.The required manual change of the deformation tools also increases the set-up times of the machine. Finally, the newly used deformation tools have no operating temperature and must therefore be heated after installation first.
Mit der
Über ihre jeweilige Fußleiste sind die Formleisten in einer Führungsebene jeweils mit zwei entlang ihrer Längserstreckung voneinander beabstandeten, exzentrisch um eine senkrechte Achse drehbar angetriebenen und im Werkzeugbalken geführten Mitnehmern gekoppelt. Der Abstand der beiden Stützleisten und damit die Breite des Rückenbereichs der Buchdecke kann innerhalb einer bestimmten Dickenklasse über eine mittels eines gemeinsamen Antriebs erfolgende Verstellung der Mitnehmer eingestellt werden. Dabei erfolgt die Einleitung der Stellkraft in den Werkzeugbalken mittels eines unterhalb dieses angeordneten Stellmechanismus. Ein Stellantrieb ist parallel zu einer Längsachse des Verformungswerkzeugs angeordnet.About their respective baseboard, the moldings in a management level in each case with two along its longitudinal extent spaced from each other, are coupled eccentrically rotatable about a vertical axis driven and guided in the tool bar drivers. The distance between the two support strips and thus the width of the back region of the book cover can be adjusted within a certain thickness class via an adjustment of the drivers taking place by means of a common drive. In this case, the introduction of the actuating force takes place in the tool bar by means of a positioning mechanism arranged below this. An actuator is arranged parallel to a longitudinal axis of the deformation tool.
Die
Allerdings benötigen die beiden separat zu verstellenden Formelemente dieses Verformungswerkzeugs jeweils einen separaten Antrieb und separate Verbindungselemente, so dass das Verformungswerkzeug relativ aufwändig und teuer ist. Aufgrund der in vertikaler Richtung erfolgenden Verstellung der beiden Formelemente müssen die beim Verformen des Rückenbereichs der Buchdecken auftretenden Kräfte von den Verbindungselementen und/oder dem Antrieb aufgenommen werden, was aufgrund des jeweils vorhandenen Spiels zu einer Beeinträchtigung der Qualität der auszubildenden Rundung des Rückenbereichs führen kann. Zudem sind sowohl zwischen den Basiselement und dem ersten Formelement als auch zwischen dem ersten und dem zweiten Formelement des Verformungswerkzeugs vertikale Spalte ausgebildet. Beim Verformen der zumeist aus Papier und/oder Pappe bestehenden, zu verformenden Rückenbereiche können sich Materialbestandteile lösen und in diese vertikalen Spalte eindringen. Dadurch kann die Funktion des Verformungswerkzeugs und damit auch der zumindest ein solches Verformungswerkzeug aufnehmenden Vorrichtung zum Verformen von Buchdecken beeinträchtigt werden. Schließlich ist entweder keine Unterstützung der Formgebung durch einen zusätzlichen Wärmeauftrag über das Verformungswerkzeug vorgesehen oder ein neu eingesetztes Verformungswerkzeug muss vor seinem ersten Einsatz noch vorgewärmt werden.However, the two separately to be adjusted form elements of this deformation tool each require a separate drive and separate fasteners, so that the deformation tool is relatively complex and expensive. Due to the adjustment in the vertical direction of the two form elements occurring during deformation of the back region of the book covers forces must be absorbed by the connecting elements and / or the drive, which can lead to a deterioration in the quality of the trainees rounding of the back area due to the existing game. In addition, vertical gaps are formed both between the base element and the first mold element and between the first and the second mold element of the deformation tool. When deforming the usually consisting of paper and / or cardboard, to be deformed back areas material components can solve and penetrate into this vertical column. As a result, the function of the deformation tool and thus also of the at least one such deformation tool receiving device for deforming book covers can be impaired. Finally, either no support of the shaping is provided by an additional heat application via the deformation tool or a newly used deformation tool must be preheated before its first use.
Aufgabe der Erfindung war es daher, ein einfaches und kostengünstiges Verformungswerkzeug sowie eine zumindest ein solches Verformungswerkzeug aufweisende Vorrichtung zum Runden des Rückenbereichs liegend ausgestreckter Buchdecken und zum Verformen eines beidseitig des Rückenbereichs angrenzenden Falzbereichs, jeweils entsprechend der Form des Rückens jeweils eines nachgängig gemeinsam mit einer der Buchdecken ein Buch bildenden Buchblocks zu schaffen. Zudem sollen das Verformungswerkzeug und die Vorrichtung auf einfache Weise an eine bei einem Folgeauftrag abweichende Dicke und/oder Form des zu verformenden Rückenbereiches angepasst und eine gleichbleibend gute Qualität der Rundung des Rückenbereichs gewährleistet werden.The object of the invention is therefore to provide a simple and cost-effective deformation tool and a device having at least one such deformation tool for rounding the back region lying outstretched book covers and for deforming a fold region adjacent to both sides of the back region, respectively one after the other jointly with one of the Book covers to create a book-forming book block. In addition, the deformation tool and the device in a simple manner to a deviating in a follow-on order thickness and / or Adjusted shape of the deformed back area and a consistently good quality of the rounding of the back area can be ensured.
Diese Aufgabe wird durch eine Verformungswerkzeug gemäss des kennzeichnenden Teils des Anspruchs 1 sowie durch eine Vorrichtung gemäss des kennzeichnenden Teils des Anspruchs 5 gelöst. Vorteilhafte Ausführungsformen sind Gegenstände der jeweiligen Unteransprüche.This object is achieved by a deformation tool according to the characterizing part of
Das erfindungsgemässe Verformungswerkzeug weist einen feststehenden, konvexen Mittenformsteg und zwei seitlich an den Mittenformsteg anschließende, entsprechend der erforderlichen Rundung sowie Breite des Rückenbereichs der Buchdecke seitlich verstellbare, ebenfalls konvexe, äußere Formleisten auf.The deformation tool according to the invention has a fixed, convex center-forming web and two laterally adjoining the center-forming web, also laterally adjustable, likewise convex, outer moldings, corresponding to the required rounding and width of the back region of the book cover.
Ein solches einfaches und kostengünstiges Verformungswerkzeug kann durch entsprechende seitliche Verstellung der äußeren Formleisten sehr einfach und schnell entsprechend eines Folgeauftrags mit abweichende Dicke und/oder Form des zu verformenden Rückenbereiches angepasst werden. Zudem kann damit eine gleichbleibend gute Qualität der Rundung des Rückenbereichs sowie der Verformung des beidseitig anschließenden Falzbereichs gewährleistet werden.Such a simple and inexpensive deformation tool can be adjusted very easily and quickly by a corresponding lateral adjustment of the outer moldings according to a subsequent order with different thickness and / or shape of the back region to be deformed. In addition, a consistently good quality of the rounding of the back area as well as the deformation of the folding area adjoining on both sides can thus be ensured.
Gemäss einer Ausführungsform weist das erfindungsgemässe Verformungswerkzeug einen mit dem Mittenformsteg und den äußeren Formleisten kraft- oder formschlüssig verbundenen Werkzeugbalken auf. Ein solcher Werkzeugbalken kann vorteilhaft unterschiedliche Verformungswerkzeuge aufnehmen sowie die erforderlichen Hub- und Einstellbewegungen an das jeweils aufgenommene Verformungswerkzeug weiterleiten.According to one embodiment, the deformation tool according to the invention has a tool bar that is positively or positively connected to the center molding web and the outer moldings. Such a tool bar can advantageously accommodate different deformation tools and pass on the necessary lifting and adjusting movements to the respectively recorded deformation tool.
Gemäss einer weiteren Ausführungsform des erfindungsgemässen Verformungswerkzeugs ist der Mittenformsteg symmetrisch ausgebildet und weist in einem dem Werkzeugbalken zugewandten Bereich beidseitig jeweils eine Ausnehmung zur zumindest teilweisen Aufnahme der äußeren Formleisten auf. Damit können die äußeren Formleisten zur Verstellung der Rundung sowie der Breite des Rückenbereichs der Buchdecke in die Kontur des Mittenformstegs eintauchen, was einen relativ grossen Stellbereich des Verformungswerkzeugs ermöglicht.According to a further embodiment of the deformation tool according to the invention, the center forming web is designed symmetrically and, in a region facing the tool bar, has on both sides a respective recess for at least partially receiving the outer moldings. Thus, the outer moldings for adjusting the rounding and the width of the Back portion of the book cover dive into the contour of the Mittenformstegs, which allows a relatively large adjustment range of the deformation tool.
Gemäss einer weiteren Ausführungsform des erfindungsgemässen Verformungswerkzeugs sind die äußeren Formleisten symmetrisch zu einer Längsmittelachse des Mittenformstegs verstellbar ausgebildet. Analog zur symmetrischen Ausbildung des Buchblocks kann damit auch die Buchdecke symmetrisch ausgeformt werden. Dies kann vorteilhaft mit einem einzigen Stellantrieb realisiert werden.According to a further embodiment of the deformation tool according to the invention, the outer moldings are designed to be adjustable symmetrically with respect to a longitudinal center axis of the center mold web. Analogous to the symmetrical design of the book block so that the book cover can be symmetrically formed. This can be advantageously realized with a single actuator.
Die erfindungsgemässe Vorrichtung zum Verformen eines Rückenbereichs und jeweils eines beidseitig des Rückenbereichs angrenzenden Falzbereichs liegend ausgestreckter Buchdecken ist vorteilhaft mit zumindest einem erfindungsgemässen Verformungswerkzeug ausgestattet.The inventive device for deforming a back region and in each case one lying on both sides of the back region adjacent fold region lying outstretched book covers is advantageously equipped with at least one inventive deformation tool.
In einer Ausführungsform der erfindungsgemässen Vorrichtung ist zumindest ein Verformungswerkzeug mit einem auf eine Aussenseite des Rückenbereichs der Buchdecken ausgerichteten Gegenwerkzeug zusammenwirkend angeordnet. Dabei weist das Gegenwerkzeug zwei beabstandet voneinander angeordnete, entsprechend der Breite des Rückenbereichs der Buchdecke seitlich verstellbare Gegenformleisten auf. Mit einer solchen Vorrichtung kann der Rückenbereich auch bei aufeinanderfolgend zu bearbeitenden Buchdecken aus unterschiedlichen Materialien in besonders guter Qualität gerundet und verformt werden.In one embodiment of the device according to the invention, at least one deformation tool is arranged to cooperate with a counter tool aligned with an outer side of the back region of the book covers. In this case, the counter tool has two mutually spaced, corresponding to the width of the back portion of the book cover laterally adjustable Gegenformleisten. With such a device, the back area can be rounded and deformed in a particularly good quality even with successively to be processed book covers made of different materials.
In einer weiteren Ausführungsform der erfindungsgemässen Vorrichtung sind zumindest zwei für unterschiedliche Dickenklassen von Rückenbereichen der zu verformenden Buchdecken geeignete, unterschiedliche Verformungswerkzeuge angeordnet. Beispielsweise kann eine mit zwei unterschiedlichen erfindungsgemässen Verformungswerkzeugen ausgestattete Vorrichtung Buchdecken für entsprechende Buchblocks mit einer Dicke von bis zu 60 mm verformen. Beim Einsatz der erfindungsgemässen Vorrichtung werden demnach sehr wenige Verformungswerkzeuge benötigt, um einen relativ grossen Dickenbereich zu verformender Buchdecken abzudecken.In a further embodiment of the device according to the invention, at least two different deformation tools suitable for different thickness classes of back regions of the book covers to be deformed are arranged. For example, a device equipped with two different deformation tools according to the invention can deform book covers for corresponding book blocks with a thickness of up to 60 mm. When using the device according to the invention therefore very few deformation tools are needed to cover a relatively large thickness range to be deformed book covers.
In einer weiteren Ausführungsform weist die erfindungsgemässe Vorrichtung eine Arbeitsposition für ein erstes Verformungswerkzeug und jeweils einer Ruheposition für zumindest ein zweites Verformungswerkzeug auf. Mit der Ruheposition ist vorteilhaft eine konkrete Position für das zumindest eine, nicht in der Arbeitsposition befindliche Verformungswerkzeug vorgegeben.In a further embodiment, the device according to the invention has a working position for a first deformation tool and in each case a rest position for at least one second deformation tool. With the rest position is advantageously given a specific position for the at least one, not in the working position deformation tool.
In einer weiteren Ausführungsform der erfindungsgemässen Vorrichtung ist das in seiner Arbeitsposition befindliche erste Verformungswerkzeug auf eine Innenseite des Rückenbereichs einer Buchdecke ausgerichtet, den Rückenbereich der Buchdecke zwischen die beiden Gegenformleisten aushebend und dabei einen Rückensteg der Buchdecke bildend angeordnet.In a further embodiment of the device according to the invention, the first deformation tool located in its working position is aligned with an inner side of the back region of a book cover, lifting the back region of the book cover between the two counter-molding strips and thereby forming a back web of the book cover.
In einer weiteren Ausführungsform der erfindungsgemässen Vorrichtung ist zumindest eine Vorwärmstation für das zumindest eine in der Ruheposition befindliche zweite Verformungswerkzeug in der Vorrichtung angeordnet. Durch das Vorhandensein der zumindest einen Vorwärmstation kann das für einen neuen Arbeitsauftrag benötigte Verformungswerkzeug bereits vorgewärmt aus der Ruheposition in die Arbeitsposition überführt werden. Daher ist das neue Verformungswerkzeug sofort betriebsbereit, wodurch ein relativ kurzer Auftragswechsel realisiert werden kann. Da sich die Vorwärmstation der Verformungswerkzeuge in der Vorrichtung und damit in unmittelbarer Nähe des Einsatzortes befindet, sind die heißen Verformungswerkzeuge vor nicht autorisiertem Zugriff geschützt untergebracht. Durch eine entsprechende Produktionssteuerung können die Fertigungsaufträge entsprechend des Formatumbruches zusammengefasst und die Effektivität der Maschine gesteigert werden, da nachfolgende Aufträge mit demselben vorgewärmten Verformungswerkzeug gefahren werden.In a further embodiment of the device according to the invention, at least one preheating station for the at least one second deformation tool located in the rest position is arranged in the device. Due to the presence of the at least one preheating station, the deformation tool required for a new work order can be transferred from the rest position to the working position already preheated. Therefore, the new deformation tool is ready for use immediately, whereby a relatively short job change can be realized. Since the preheating of the deformation tools in the device and thus in the immediate vicinity of the site, the hot deformation tools are housed protected against unauthorized access. By a corresponding production control, the production orders can be summarized according to the format change and the effectiveness of the machine can be increased, since subsequent orders are driven with the same preheated deformation tool.
In einer nächsten Ausführungsform der erfindungsgemässen Vorrichtung ist für jedes Verformungswerkzeug eine eigene Vorwärmstation angeordnet. Dadurch kann ein noch schnellerer Austausch der Verformungswerkzeuge und damit ein schnellerer Formatwechsel erfolgen, was die Leistung der Vorrichtung erhöht.In a next embodiment of the device according to the invention, a separate preheating station is arranged for each deformation tool. This allows an even faster exchange of the deformation tools and thus a faster format change done, which increases the performance of the device.
Gemäss einer weiteren Ausführungsform der erfindungsgemässen Vorrichtung ist zumindest ein Sensor zur Identifizierung der Verformungswerkzeuge angeordnet. Durch diese Identifizierung ist bereits vorab eine fehlerfreie Zuordnung der Verformungswerkzeuge zum jeweiligen Arbeitsauftrag und letztlich ebenfalls eine Leistungserhöhung möglich.According to a further embodiment of the device according to the invention, at least one sensor for identifying the deformation tools is arranged. Through this identification, an error-free assignment of the deformation tools to the respective work order and ultimately also an increase in performance is possible in advance.
Entsprechend einer weiteren Ausführungsformen der erfindungsgemässen Vorrichtung ist der zumindest eine Sensor in zumindest einer der Vorwärmstationen angeordnet und auf ein in seiner Ruheposition befindliches Verformungswerkzeug ausgerichtet oder der zumindest eine Sensor ist an einem Aufnahmeelement für den Werkzeugbalken angeordnet und auf ein in seiner Arbeitsposition befindliches Verformungswerkzeug ausgerichtet. Dadurch ergeben sich je nach Arbeitsauftrag vorteilhaft mehrere Optionen für die Identifizierung der Verformungswerkzeuge.According to a further embodiment of the device according to the invention, the at least one sensor is arranged in at least one of the preheating stations and aligned with a deformation tool located in its rest position or the at least one sensor is arranged on a receiving element for the tool bar and aligned with a deformation tool located in its working position. As a result, depending on the job advantageously several options for the identification of the deformation tools.
In einer weiteren Ausführungsform der erfindungsgemässen Vorrichtung ist der Werkzeugbalken des jeweils in der Arbeitsposition angeordneten Verformungswerkzeugs mit einem Stellantrieb koppelbar ausgebildet. Dabei ist dieser Stellantrieb seitlich zu einer gedachten, senkrechten Ebene durch eine Längsmittelachse des in seiner Arbeitsposition befindlichen Werkzeugbalkens angeordnet. Damit kann die Vorrichtung sehr kompakt aufgebaut werden.In a further embodiment of the device according to the invention, the tool bar of the respective deformation tool arranged in the working position can be coupled to an actuator. In this case, this actuator is arranged laterally to an imaginary, vertical plane through a longitudinal center axis of the tool bar located in its working position. Thus, the device can be constructed very compact.
Durch die geringe Anzahl von bei der erfindungsgemässen Vorrichtung benötigten Verformungswerkzeugen ist es möglich, jedem Verformungswerkzeug eine eigene codierte Vorwärmstation zuzuordnen, deren Temperatur in Abhängigkeit von der zu verarbeitenden Buchdecke eingestellt werden kann. Die Temperatureinstellungen der unterschiedlichen Materialien sind in der Maschinensteuerung hinterlegt und können aufgrund der vorhandenen Auftragsdaten der Folgeaufträge den codierten Vorwärmstationen zugeordnet werden. Zusätzlich ist es durch die Codierung der Verformungswerkzeuge möglich, dass deren Einsatz in der Maschine überwacht wird und so Fehleinstellungen unterbunden werden.Due to the small number of deformation tools required in the device according to the invention, it is possible to assign each deformation tool its own coded preheating station, the temperature of which can be set as a function of the book cover to be processed. The temperature settings of the different materials are stored in the machine control and can be assigned to the coded preheating stations based on the existing order data of the follow-up orders. In addition, it is possible by encoding the deformation tools that their use is monitored in the machine and so misadjustments are prevented.
Die Stufung der Verformungswerkzeuge entsprechend Dickenklassen steht in Abhängigkeit mit anderen Wechselteilen der Buchfertigungsmaschine, sodass eine rationelle Produktion innerhalb dieser Stufung gewährleistet ist. So sind die Stufungen in Bezug auf die Buchdicke so festgelegt, dass in einer Stufung in keinem Bereich der Buchfertigungsstraße Wechselteile getauscht werden müssen.The grading of the deformation tools according to thickness classes is dependent on other parts of the book making machine, so that a rational production is ensured within this grading. Thus, the gradations are determined in terms of book thickness so that in a grading in any area of the book production line replacement parts must be replaced.
Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels näher beschrieben. Dabei zeigen:
- Fig. 1
- eine räumliche Teil-Darstellung der erfindungsgemässen Vorrichtung zum Verformen liegend ausgestreckter Buchdecken mit einem erfindungsgemässen Verformungswerkzeug, mit einem beispielhaften Stellantrieb und dessen Verbindungselementen zum Verformungswerkzeug,
- Fig. 2
- eine vergrößerte Darstellung des erfindungsgemässen Verformungswerkzeugs,
- Fig. 3
- eine Darstellung der Vorrichtung aus
Fig. 1 , mit abgenommenem Verformungswerkzeug, - Fig. 4
- einen Querschnitt der in
Fig. 1 dargestellten Vorrichtung, mit einem Gegenwerkzeug und einer verformten Buchdecke, - Fig. 5
- einen Ausschnitt der erfindungsgemässen Vorrichtung mit erfindungsgemässen Verformungswerkzeug, dem Gegenwerkzeug und einer zur Verformung bereitliegenden Buchdecke eines ersten Formats,
- Fig. 6
- einen Ausschnitt der erfindungsgemässen Vorrichtung entsprechend
Fig. 5 , jedoch mit einer gerundeten Buchdecke, - Fig. 7
- einen Ausschnitt der erfindungsgemässen Vorrichtung analog
Fig. 5 , jedoch mit einer Buchdecke eines zweiten Formats, - Fig. 8
- einen Ausschnitt der erfindungsgemässen Vorrichtung analog
Fig. 7 , jedoch mit einer gerundeten Buchdecke des zweiten Formats. - Fig. 9
- Eine perspektivische Draufsicht auf eine erfindungsgemässe Vorrichtung, welche beispielhaft in eine Deckenzuführung integriert ist, die ihrerseits zwei Vorwärmstationen für Verformungswerkzeuge aufweist.
- Fig. 1
- 3 shows a partial, partial view of the device according to the invention for deforming lying outstretched book covers with a deformation tool according to the invention, with an exemplary actuator and its connecting elements to the deformation tool,
- Fig. 2
- an enlarged view of the inventive deformation tool,
- Fig. 3
- a representation of the device
Fig. 1 , with removed deformation tool, - Fig. 4
- a cross section of in
Fig. 1 illustrated device, with a counter tool and a deformed book cover, - Fig. 5
- a detail of the device according to the invention with a deformation tool according to the invention, the counter-tool and a book cover of a first format ready for deformation,
- Fig. 6
- a section of the inventive device accordingly
Fig. 5 but with a rounded book cover, - Fig. 7
- a section of the inventive device analog
Fig. 5 but with a book cover of a second format, - Fig. 8
- a section of the inventive device analog
Fig. 7 but with a rounded book cover of the second format. - Fig. 9
- A perspective top view of a device according to the invention, which is integrated by way of example in a ceiling feed, which in turn has two preheating stations for deformation tools.
Die
Wie in
Die
Wie in
Die äußere Formleisten 22, 22' sind an ihrer Unterseite beispielsweise mit nicht dargestellten Dauermagneten oder auch mit zu- und abschaltbaren Elektromagneten versehen, welche auf der Oberseite des eisenhaltigen Werkzeugbalkens 13 relativ große Anziehungskräfte erzeugen. Diese Anziehungskräfte sorgen für einen innigen Kontakt zwischen der Oberseite des Werkzeugbalkens 13 und den äußeren Formleisten 22, 22', sodass eine gute Wärmeübertragung in diese äußeren Formleisten 22, 22' und damit auf die zu verformende Buchdecke 2 sichergestellt ist.The
Der Werkzeugbalken 13 besitzt etwa die Länge der äußeren Formleisten 22, 22' und ist breiter ausgebildet, als der für die größte mit der Vorrichtung 1 zu verformende Buchdecke 2 erforderliche Abstand der äußeren Formleisten 22, 22'. Der wie das erste Verformungswerkzeug 10 in seiner Arbeitsposition 7 befindliche Werkzeugbalken 13 liegt auf einem Aufnahmeelement 14 der Vorrichtung 1 auf. Der Stellantrieb 9 ist seitlich zu einer gedachten, senkrechten Ebene durch eine Längsmittelachse 15 des Werkzeugbalkens 13 angeordnet (
Das sich wenigstens annähernd über die Höhe einer Buchdecke 2 erstreckende erste Verformungswerkzeug 10 befindet sich in seiner abgesenkten Lage zunächst unterhalb und beabstandet zu einer zur Verformung dienenden und in
Die Vorrichtung 1 weist außer des sich jeweils in der Arbeitsposition 7 befindlichen und auf eine Innenseite 17 des Rückenbereichs 4 einer zu verformenden Buchdecke 2 gerichteten Verformungswerkzeugs 10 auch ein oberhalb des Verformungswerkzeugs 10 angeordnetes, mit diesem zusammenwirkendes und auf eine Außenseite 18 des zu verformenden bzw. verformten Rückenbereichs 4, 4` dieser Buchdecke 2' gerichtetes Gegenwerkzeug 19 auf. Das Gegenwerkzeug 19 besitzt zwei voneinander beabstandete, senkrecht stehende und parallel zum Rückenbereich 4 der zu verformenden Buchdecke 2 ausgerichtete Gegenformleisten 20, 20' (
Entsprechend
Zusätzlich zu den bereits oben beschriebenen Anziehungskräften können zwei stirnseitige Führungen 25, 25' die Prozesskräfte beim Verformen der jeweiligen Buchdecke 2 aufnehmen. Dazu dringen zwei Ausstülpungen 26, 26' jeder der beiden stirnseitigen Führungen 25, 25' in stirnseitige Nuten 27, 27' der äußeren Formleisten 22, 22' ein und halten diese auf Kontakt zum Werkzeugbalken 13. Die Einstellung der beiden stirnseitige Führungen 25, 25' kann so bemessen sein, das sie einer Wärmeausdehnung von mehreren hundert Grad Celsius ohne Beeinträchtigung standhalten und einem leichtgängigen Verschieben der äußeren Formleisten 22, 22' nicht entgegenwirken.In addition to the attractive forces already described above, two end-side guides 25, 25 'can absorb the process forces when deforming the
Zum Verformen der beidseitig des Rückenbereichs 4 vorgesehenen Falzbereiche 6, 6' der Buchdecke 2 wird das jeweilige Verformungswerkzeug 10, 10' gemeinsam mit dem Werkzeugbalken 13 zunächst gegen das oberhalb angeordnete Gegenwerkzeug 19 bzw. dessen Gegenformleisten 20, 20' ausgehoben und dabei mit den Mittenformsteg 21 und den äußeren Formleisten 22, 22' ein Rückensteg 28 der Buchdecke 2' ausgebildet. Dabei sorgen die konvexen Rundungen des Mittenformstegs 21 und der äußeren Formleisten 22, 22' des jeweils in seiner Arbeitsposition 7 befindlichen Verformungswerkzeugs 10, 10' für das Runden des ausgehobenen Rückenstegs 28 und damit des Rückenbereichs 4' der Buchdecke 2' entsprechend der Rundung des Rückens eines zugehörigen Buchblocks.For deforming the
Die Scheiben 31, 31' sind derart in dem Werkzeugbalken 13 versenkt, dass sie das in Arbeitsposition 7 befindliche Verformungswerkzeug 10, 10' nicht berühren. Die Verformungswerkzeuge 10, 10' weisen in ihrer auf dem Werkzeugbalken 13 aufliegenden Seite jeweils parallel zur Drehachse 30, 30' der Scheiben 31,31' ausgerichtete Ausnehmungen 35, 35' auf, die von den beispielsweise als Stehbolzen ausgebildeten Mitnehmern 33, 34, 33', 34' wenigstens teilweise durchsetzt werden. Dargestellt ist lediglich das entsprechende Zusammenwirken jeweils eines der Mitnehmer 34, 34' mit den Ausnehmungen 35, 35' der in
Damit jeweils ein optimal wirksamer, gemeinsam gegeneinander gerichteter Seitenhub der äußeren Formleisten 22, 22' des jeweils in seiner Arbeitsposition 7 befindlichen Verformungswerkzeugs 10, 10' erzielt werden kann, sind die Mitnehmer 33, 34, 33', 34' einer Scheibe 31, 31' in einer Ausgangsstellung beispielsweise im Winkel von etwa 45° zur Längsmittelachse 15 des Werkzeugbalkens 13 diametral gegenüberliegend ausgerichtet (
Die auf der einen Seite des Werkzeugbalkens 13 vorstehenden Bewegungsnocken 36, 36' sind mittels Gelenken 40, 40' oder seitlichen Führungen mit dem an einem Gestell 41 der Vorrichtung 1 oszillierend bzw. hin und her verschiebbar gelagerten Schieber 37 verbunden. Durch ein gemeinsames Verdrehen der Scheiben 31, 31' bewegen sich die Mitnehmer 33, 34, 33', 34' jeweils nach innen oder außen und verkleinern oder vergrößern dabei den Abstand zwischen den äußeren Formleisten 22, 22' des Verformungswerkzeugs 10, 10'.The
Damit sich die äußeren Formleisten 22, 22' des Verformungswerkzeugs 10, 10' beim Drehen der Scheiben 31, 31' nicht in ihrer Längsrichtung gegenseitig verschieben, ist zwischen dem Werkzeugbalken 13 und dem sich jeweils in Arbeitsposition 7 befindlichen Verformungswerkzeug 10, 10' eine quer zu dessen Längserstreckung gerichtete erste Führungsanordnung 42 vorgesehen, die beispielsweise eine quer zur Längserstreckung der genannten Bauteile verlaufende Nut 42' im Werkzeugbalken 13 und einen darin eingreifenden Stift 42" (
Zwischen den Langlöchern 44, 44' ist eine von unten nach oben reichende schlitzartige Öffnung 46 (
Wie den
Entsprechend
Für eine genaue Positionierung des Verformungswerkzeugs 10, 10' ist beispielsweise eine mit dem Aufnahmeelement 14 verbundene Zentriereinrichtung 75 mit einem kegeligen Positionierungsstift 55 vorgesehen (
Für die weitere Ausgestaltung des Antriebs und der Verbindungselemente zu den Verformungswerkzeugen 10, 10' der Vorrichtung 1 wird auf die eingangs erwähnte
Die
Die
Analog zur
Analog zur
Die Vorrichtung 1 ist beispielhaft in die Deckenzuführung 58 einer hier lediglich angedeuteten Buchfertigungsstraße 65 integriert. In dieser Darstellung ist die Vorrichtung 1 demnach durch die Deckenzuführung 58 und die darauf befindlichen Buchdecken 2 weitgehend verdeckt. Dadurch sind in
Ebenfalls in die Deckenzuführung 58 integriert sind zwei Vorwärmstationen 68, 69, d.h. eine eigene Vorwärmstation 68, 69 für jedes Verformungswerkzeug 10, 10'. Beim Betrieb der Vorrichtung 1 ist stets eines der Verformungswerkzeuge 10, 10' in die Vorrichtung 1 eingebaut. Entsprechend
Die für das in die Vorrichtung 1 eingebaute Verformungswerkzeug 10 vorgesehene Vorwärmstation 68 ist aktuell leer. Leere Vorwärmstationen 68, 69 können direkt vom Maschinenbediener oder über eine Steuerung auf eine niedrigere Temperatur eingestellt werden. Dabei wird überwacht, welche Vorwärmstation 68, 69 gerade leer ist und welches Verformungswerkzeug 10, 10' sich damit in der Vorrichtung 1 befindet und ob dieses Verformungswerkzeug 10, 10' für den laufenden Auftrag geeignet ist. Die Vorwärmstationen 68, 69 können konstruktiv so ausgeführt sein, dass sie jeweils nur zur Aufnahme eines bestimmten Verformungswerkzeugs 10, 10' geeignet sind. Im Beispiel der
Auch wenn damit ein schnellerer Formatwechsel der zu verformenden Buchdecken 2 erfolgen kann, muss natürlich nicht für jedes Verformungswerkzeug 10, 10' eine eigene Vorwärmstation 68, 69 angeordnet sein. Generell reicht es aus, wenn das jeweils in seine Arbeitsposition 7 zu transportierende Verformungswerkzeug 10, 10' aus seiner Ruheposition 7' in einer Vorwärmstation 68, 69 entnommen werden kann.Although a faster format change of the book covers 2 to be deformed can thus take place, a
Zur Überwachung, welche Vorwärmstation 68, 69 gerade leer ist und welches Verformungswerkzeug 10, 10' sich damit in der Vorrichtung 1 befindet und ob dieses Verformungswerkzeug 10, 10' für den laufenden Auftrag geeignet ist, kann ein entsprechender Sensor 70 angeordnet werden. Beispielsweise kann der Sensor 70 in zumindest einer der Vorwärmstationen 68, 69 (
Gemäss
Schließlich weist die Deckenzuführung 58 neben den beiden inneren Auflageelementen 57, 57' auch noch zwei äußere Auflageelemente 72, 72' für die Buchdecken 2, eine Hilfseinrichtung 73 zum Einführen von Buchdecken 2 sowie Sicherungsleisten 74, 74' zum Verhindern des Abhebens der Buchdecken 2 beim Verformungsvorgang auf.Finally, the
Claims (15)
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EP17166883.3A Active EP3235654B1 (en) | 2016-04-21 | 2017-04-18 | Shaping tool and device for the forming of book covers |
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US (1) | US10112428B2 (en) |
EP (1) | EP3235654B1 (en) |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1436086A1 (en) | 1962-10-04 | 1969-01-23 | Smyth Mfg Company | Bookbinding machine |
DE19853254A1 (en) | 1998-11-18 | 2000-05-25 | Kolbus Gmbh & Co Kg | Mold device for book covers has molding bar acting with pressure pad with deformable active surface to round cover back |
EP2325020A1 (en) | 2009-11-23 | 2011-05-25 | Müller Martini Holding AG | Device for deforming a book cover spine of a book cover aligned on a book block spine |
EP2923852A2 (en) | 2014-03-29 | 2015-09-30 | Kolbus GmbH & Co. KG | Device for forming of book covers |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19729529B4 (en) * | 1996-09-13 | 2010-04-08 | Kolbus Gmbh & Co. Kg | Method and apparatus for making a book |
US6460843B1 (en) * | 2000-02-02 | 2002-10-08 | Aprion Digital Ltd. | Paperback finishing machine |
US20020168250A1 (en) | 2001-05-10 | 2002-11-14 | Welch Stephen R. | Method and apparatus for forming a binder cover and ring binder |
DE10144180A1 (en) * | 2001-09-06 | 2003-03-27 | Bielomatik L O S Gmbh | Book block binding process involves passing blocks through gluing-binding, spine-taping, rounding and banding stations |
-
2017
- 2017-04-18 JP JP2017081778A patent/JP2017193177A/en active Pending
- 2017-04-18 EP EP17166883.3A patent/EP3235654B1/en active Active
- 2017-04-20 US US15/492,030 patent/US10112428B2/en active Active
- 2017-04-21 CN CN201710264776.8A patent/CN107303768A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1436086A1 (en) | 1962-10-04 | 1969-01-23 | Smyth Mfg Company | Bookbinding machine |
DE19853254A1 (en) | 1998-11-18 | 2000-05-25 | Kolbus Gmbh & Co Kg | Mold device for book covers has molding bar acting with pressure pad with deformable active surface to round cover back |
EP2325020A1 (en) | 2009-11-23 | 2011-05-25 | Müller Martini Holding AG | Device for deforming a book cover spine of a book cover aligned on a book block spine |
EP2923852A2 (en) | 2014-03-29 | 2015-09-30 | Kolbus GmbH & Co. KG | Device for forming of book covers |
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CN107303768A (en) | 2017-10-31 |
JP2017193177A (en) | 2017-10-26 |
EP3235654B1 (en) | 2019-01-30 |
US20170305183A1 (en) | 2017-10-26 |
US10112428B2 (en) | 2018-10-30 |
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