EP2964435B1 - Method for adjusting the radial clearance between two tools, arrangement for transforming a substrate, cassette, unit and machine provided with same - Google Patents
Method for adjusting the radial clearance between two tools, arrangement for transforming a substrate, cassette, unit and machine provided with same Download PDFInfo
- Publication number
- EP2964435B1 EP2964435B1 EP14708199.6A EP14708199A EP2964435B1 EP 2964435 B1 EP2964435 B1 EP 2964435B1 EP 14708199 A EP14708199 A EP 14708199A EP 2964435 B1 EP2964435 B1 EP 2964435B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- tool
- arrangement
- transforming
- tools
- 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.)
- Not-in-force
Links
- 230000001131 transforming effect Effects 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 10
- 239000000758 substrate Substances 0.000 title 1
- 230000009466 transformation Effects 0.000 claims description 48
- 238000005520 cutting process Methods 0.000 claims description 42
- 238000013519 translation Methods 0.000 claims description 20
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 16
- 238000004049 embossing Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
- B26D7/265—Journals, bearings or supports for positioning rollers or cylinders relatively to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/384—Cutting-out; Stamping-out using rotating drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/08—Creasing
- B31F1/10—Creasing by rotary tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/25—Surface scoring
- B31B50/256—Surface scoring using tools mounted on a drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0753—Roller supporting, positioning, driving means
Definitions
- the present invention relates to a method for adjusting the radial gap existing between two tools for transforming a plane support.
- the invention relates to a transformation arrangement for a flat support, provided with two cylindrical processing tools, in a packaging production machine.
- the invention also relates to a conversion cassette for a plane support, comprising a transformation arrangement for the plane support.
- the invention relates to a processing unit for a flat support, equipped with a conversion cassette for the plane support.
- the invention relates to a transformation unit for a plane support, comprising at least one transformation arrangement for the plane support.
- the invention also relates to a packaging production machine from a flat support, comprising at least one processing unit for the plane support.
- a packaging production machine is intended for the manufacture of boxes, which form packaging, after folding and gluing.
- an initial planar support such as a continuous strip of cardboard, is unwound and is printed by a printing unit, consisting of printing units. The strip is then transferred to a processing unit to make plate elements, in this case boxes.
- the processing unit comprises at least one transformation arrangement provided with two rotary cylindrical tools, positioned parallel to each other, so as to cooperate with each other.
- the band moves between the two tools, to be transformed. Both tools rotate in opposite directions.
- the first tool is rotatably mounted in a first and a second bearing.
- the second tool is rotatably mounted in a third and a fourth bearing. Clamps are provided to hold firmly together and prestress the first with the third bearing, and the second with the fourth bearing.
- the transformation arrangement is most often provided to form a cassette.
- the cassette is slidably inserted into each of the side frames of the unit.
- the cassette allows quick change of tools, depending on transformations of the support to be realized.
- the packaging manufacturer has at least two cassettes. A first cassette is in the machine being produced and is adapted according to the transformation work in progress. Meanwhile, a second cassette is being edited and adjusted to suit the next transformation job. When changing the job, the operator takes out the old cassette and inserts the new cassette, minimizing machine downtime.
- one of the arrangements or one of the cassettes is respectively a rotary cutting arrangement or a rotating cutting cassette.
- a first cylindrical cutting tool is provided with knives, and a second cylindrical tool is smooth, and is called anvil.
- a radial gap between the first cylindrical cutting tool and the second cylindrical tool must be very precisely adjusted.
- the edges of the cutting tool's knives must pass as close as possible to the anvil roll, in order to make a clean cut.
- the edges of these knives must not touch the anvil cylinder, because they would be irretrievably destroyed during rotation.
- the material constituting the support i.e. the fibers in the case of the carton, must not appear at the cut. It is also not desirable to have dust from the cutting of the material constituting the support.
- the advantage of adjusting the radial gap is also to compensate for the progressive wear of the cutting tool blades. Therefore, the optimal radial gap between the two rotating cylindrical tools is set in the micron.
- each end of the two rotary cylindrical tools comprises a conical side crown.
- the two crowns of the first tool roll respectively on the two crowns, associated and diametrically opposed, of the second tool.
- Each of the rings has a frustoconical shape, with an inclined surface coming into contact with the inclined surface of the crown which is directly associated with it.
- the position of the crowns of the first tool can be modified laterally.
- the lateral displacement of a crown relative to its associated crown causes a variation of the total thickness of these two crowns against each other. This has the effect of varying the difference between the first and the second tool, the radial gap is thus obtained accurately.
- the operator first loosens the clamping elements of the bearings. Then it moves the assembly formed by the first bearing, the second bearing and the first tool, so as to separate it from the assembly formed respectively by the third bearing, the fourth bearing and the second tool. This movement is ensured by means of pivoting adjustment wedges mounted on micrometric screws.
- a main object of the present invention is to implement a setting method for an arrangement for transforming a planar support.
- a second objective is to provide a method for facilitating an adjustment of the radial gap between two transformation tools for a plane support.
- a third objective is to develop a transformation arrangement for a planar support, intended for a processing unit in a packaging production machine.
- a fourth objective is to provide a rotating tool transformation arrangement to achieve a simplified adjustment and to reduce the adjustment time of the radial gap between the two tools.
- a fifth objective is to solve the technical problems mentioned for the arrangements of the state of the art.
- a sixth objective is to provide a cassette comprising a transformation arrangement for the processing unit. Another objective is to succeed in inserting a processing unit in a packaging production machine.
- a method is used to adjust an existing radial gap between two planar media transformers in a transformation arrangement for the planar support.
- the transformation arrangement for the planar support comprises a first rotary cylindrical tool for transformation and a second rotary cylindrical tool for transformation.
- the first rotary cylindrical tool for transformation and the second rotary cylindrical tool for conversion are each equipped with two conical side bearing rings.
- the first rotary cylindrical tool of transformation and the second rotary cylindrical tool of transformation are arranged between them and cooperate with each other to transform the support.
- the transformation layout for the plane support comprises a first lateral bearing and a second lateral bearing.
- the first and second lateral bearings maintain the first rotating cylindrical tool for rotation.
- the transformation arrangement for the planar support comprises a third lateral bearing and a fourth lateral bearing.
- the third lateral bearing and the fourth lateral bearing maintain the second rotating cylindrical tool for rotation.
- the transformation arrangement for the plane support comprises clamping elements of the first lateral bearing with the third lateral bearing, and clamping elements of the second lateral bearing with the fourth
- a step is implemented to push on the first bearing, to separate it from the third bearing, and to push on the second bearing, to separate it from the fourth bearing.
- the steps of repelling and bringing the corresponding bearings are simultaneously and in one go. With such steps of repoussage in one and the same phase, the adjustment proves simpler, which thus makes it possible to avoid the errors of the operator.
- the setting time is reduced accordingly.
- the flat support is defined, by way of non-exhaustive example, as being made of a continuous web material, such as paper, flat cardboard, corrugated cardboard, laminated corrugated cardboard, flexible plastic, for example polyethylene ( PE), polyethylene terephthalate (PET), bioriented polypropylene (BOPP), or other materials.
- PE polyethylene
- PET polyethylene terephthalate
- BOPP bioriented polypropylene
- a transformation arrangement for a planar support comprises a first rotary cylindrical tool for transformation and a second rotary cylindrical tool for transformation.
- the first rotary cylindrical tool of transformation and the second rotary cylindrical tool of transformation are arranged between them and cooperate with each other to ensure a transformation of the plane support.
- the transformation arrangement for the plane support comprises a first lateral bearing and a second lateral bearing.
- the first and second lateral bearings maintain the first rotating cylindrical tool for rotation.
- the transformation arrangement for the planar support comprises a third lateral bearing and a fourth lateral bearing.
- the third lateral bearing and the fourth lateral bearing maintain the second rotating cylindrical tool for rotation.
- the transformation arrangement for the plane support is characterized in that it comprises translation means for spacing a predetermined distance, and reciprocally to bring the first lateral bearing of the third lateral bearing closer together.
- the second lateral bearing of the fourth lateral bearing in two positions, a first close position, in which the two rotary rotary machining tools cooperate with each other, and a second spaced apart position, in which the two rotary cylindrical transformation tools are suitable to be modified, so as to adjust a radial gap between the first rotary cylindrical tool of transformation and the second rotary cylindrical tool of transformation.
- the translation means are of the on-off type.
- An operator moves the translation means from the off position to the on position, and vice versa from the on position to the off position.
- the first bearing and the third lateral bearing are respectively spaced apart from the second bearing and the fourth lateral bearing.
- the two tools are separated from each other, which allows the operator to intervene to easily modify the tools and adjust them accordingly.
- the tools are found again in working condition.
- a conversion cassette for a planar support is characterized in that it comprises a processing arrangement for the plane support having one or more of the technical features described below and claimed.
- a processing unit for a flat support is characterized in that it is equipped with at least one transformation cassette for the plane support, this cassette being provided with a transformation arrangement for the support. plan, having one or more of the technical characteristics described below and claimed.
- a processing unit for a planar support comprises at least one processing arrangement for the planar support having one or more of the technical features described below and claimed.
- a packaging production machine from a flat support is characterized in that it comprises at least one processing unit for the flat support, having one or more of the technical characteristics. described below and claimed.
- a packaging production machine processes a material or planar support, which in this case is a continuous web support, for example a flat board web.
- the machine comprises a processing unit for a support 1 to transform the strip 2.
- the direction of advance or scroll (Arrow F in Figure 1 ) of the strip 2 and the strip transformed in the longitudinal direction indicates the upstream direction and the downstream direction in the unit 1.
- the front and rear positions are defined with respect to the transverse direction, respectively being the driver or operator side and the opposite driver or operator side.
- the machine may have a tape drive, units such as printer units, print quality and printing control means, web guiding, and the like, which are positioned upstream of the printer. unit 1.
- the processing unit 1 is an embossing, pressing and cutting unit.
- the band 2 arrives in the unit 1 by its transverse side upstream, with a constant speed.
- An introductory group comprising drive rollers and return rollers for the web 2 is provided at the input of the unit 1.
- the unit 1 transforms the web 2, successively by embossing it, pushing it back, and cutting it out.
- the unit 1 delivers poses or transformed boxes 3, being therefore in cardboard embossed, repressed, and cut.
- the boxes 3 leave the unit 1 by its transverse side downstream, with the same constant speed.
- the boxes 3 made in the unit 1 are then separated laterally and longitudinally from one another in a separation station and then received in a receiving station (not shown).
- the unit 1 firstly comprises a first embossing arrangement 4, arranged upstream, ie at the input of this unit 1.
- the embossing arrangement 4 is equipped with an upper rotary embossing tool 6, positioned parallel to a lower rotary embossing tool 7.
- an embossing cassette 8 comprises the embossing arrangement 4.
- the unit 1 comprises a second arrangement providing the upsetting 9, arranged downstream of the embossing arrangement 4.
- the upsetting arrangement 9 is equipped with a top rotary tool 11, positioned parallel to a lower rotary tool of
- an upset cassette 13 comprises the upset arrangement 9.
- the unit 1 comprises a third arrangement providing the cutout 14, arranged downstream of the upsetting arrangement 9, ie at the output of this unit 1.
- the cutting arrangement 14 is equipped with a first upper rotary cutting tool 16, positioned parallel to a second lower rotary cutting tool 17.
- a cutting cassette 18 comprises the cutting arrangement 14.
- the arrangements 4, 9 and 14, and thus the cassettes 8, 13 and 18, are placed one after the other so that each carries out its respective transformation by embossing, extruding, and cutting the strip 2.
- a tool d waste ejection in the form of a cylinder provided with ejection needles may also be provided in place of the lower rotary tool cutting tool 17.
- Other combinations are possible, such as an upper cylinder forming both a cutting tool and a creasing tool.
- each of the embossing tools 6 and 7, upsetting 11 and 12, and cutting 16 and 17 is oriented transversely to the running direction F of the strip 2.
- the direction of rotation (Rs arrow in Figure 2 ) upper embossing tools 6, upsetting 11, and cutting 16 is reversed relative to the direction of rotation (arrow Ri in Figure 2 ) lower embossing tools 7, upsetting 12, and cutting 17.
- the embossing cassettes 8, upsetting 13 and cutting 18 are adapted to be introduced into a frame 19 of the unit 1, to be fixed to the frame 19, put into production, then conversely, able to be separated from the 19, and to be extracted from the frame 19.
- the unit 1 thus comprises three transverse housings provided in the frame 19 for each of the three cassettes 8, 13 and 18.
- the cassettes 8, 13 and 18 are introduced vertically, by the high relative to the frame 19 in the transverse housing. Conversely, the cassettes 8, 13 and 18 can be extracted vertically relative to the frame 19, out of their respective transverse housing.
- the cutting arrangement 14, and thus the cutting cassette 18, comprises (see Figure 2 ) the first cylindrical upper rotary tool 16, which is provided with cutting threads (not shown) machined or reported on its circumference according to the configuration of boxes to achieve.
- the second cylindrical lower rotary tool or anvil 17 has a smooth circumference.
- the band 2 scrolls F in the radial gap 20 between the upper tool 16 and the anvil 17.
- the upper tool 16 is arranged to cooperate with the anvil 17 to transform, ie cut the band 2.
- the upper tool 16 is provided at its front end with a first upper crown before the bearing 21.
- the upper tool 16 is provided at its rear end with a second upper rear running ring 22.
- the anvil 17 is provided with at its front end of a third lower crown before rolling 23.
- the anvil 17 is provided at its rear end with a fourth lower rear rolling crown 24.
- All the rings 21, 22, 23 and 24 have a frustoconical shape.
- the upper crowns 21 and 22 thus have an inner curved surface pressed against the curved surface of the upper tool 16.
- the lower rings 23 and 24 have an inner curved surface pressed against the curved surface of the anvil 17.
- the upper crowns 21 and 22 of the upper tool 16 come into contact, bear against, and roll on the opposite lower rolling rings 23 and 24 of the anvil 17.
- the upper front ring 21 has an outer conical surface abutting against an outer conical surface of the lower front crown 23.
- the upper rear crown 22 has an outer conical surface abutting against an outer conical surface of the rear lower crown 24.
- the two upper rings 21 and 22 of the upper tool 16 are laterally displaceable (arrow L in Figure 2 ).
- L a ring 21 and 22 relative to its opposite ring 23 and 24, for example a few tenth of a millimeter their respective conical surface does not position at the same place.
- the cutting arrangement 14, and thereby the cutting cassette 18, comprises a first upper front bearing 26 and a second upper rear bearing 27, which hold for rotation the first tool, ie the upper tool 16 by its axis of rotation. 28.
- the cutting arrangement 14, and thereby the cutting cassette 18, comprises a lower third lower bearing 29 and a lower lower fourth bearing 31, which keep the second tool, ie the anvil 17, rotated by its axis of rotation 32.
- the base of the two lower bearings 29 and 31 rests on the frame 19 when the cutting cassette 18 is inserted in the unit 1.
- the cutting arrangement 14, and thus the cutting cassette 18, comprises drive means, in the form of a gear (not visible in the Figures), for driving in rotation the two tools 16 and 17.
- drive means in the form of a gear (not visible in the Figures), for driving in rotation the two tools 16 and 17.
- the pinion meshes with the teeth of a conjugated pinion of an electric motor driving in rotation.
- the first upper front bearing 26 of the upper tool 16 is attached to the lower third lower bearing 29 of the anvil 17, and the second upper rear bearing 27 of the upper tool 16 is attached to the lower fourth lower bearing 31 of the anvil 17, so as to constitute the cut cassette 18.
- clamping elements in the form of four tie rods, upstream front and downstream before 33, and rear upstream and downstream rear 36, traverse vertically the upper front bearing 26 and the upper rear bearing 27, on either side of the axis of rotation 28 of the upper tool 16.
- the lower end of each of the four tie rods, front 33 and rear 36 is threaded and is screwed into a thread respectively of the lower front bearing 29 and the lower rear bearing 31.
- the nuts 34 and 37 block the tie rods 33 and 36 by pressing on an upper face respectively of the upper front bearing 26 and the upper rear bearing 27 and allow the bearings to be preloaded two by two. .
- the cutting cassette 18, as well as the embossing cassette 8 and upset 13, comprise two gripping tabs 38 each provided at the upper face of the upper front bearing 26 and the upper rear bearing 27.
- the two tabs 38 are intended to cooperate with lifting means for vertically lifting and transporting the cassette 18, 8 and 13 outside the frame 19.
- the cutting arrangement 14, and thus the cutting cassette 18, comprises first translation means 39 for moving vertically (U-shaped arrow). Figures 3 and 4 ), and reciprocally to move vertically (Arrow D in Figures 3 and 5 ), the first bearing 26 of the third bearing 29.
- the cutting arrangement 14, and thus the cutting cassette 18, comprises second translation means to move vertically, and reciprocally to bring the second bearing 27 of the fourth bearing vertically 31.
- the first and second translation means 39 move the first bearing 26 and the second bearing 27 respectively by a predetermined distance.
- the translation means 39 have two positions ( Figures 4 and 5 ). As a result, the first and second bearings 26 and 27 have the same two positions. And as a result, the upper tool 16 and the anvil 17 have the same two positions. In a first close position, the two tools 16 and 17 are arranged with each other with an optimal radial gap 20, and cooperate with each other to perform the cutting function. In a second position apart, the two tools 16 and 17 are found with a space between them and are adapted to be modified by displacement of their respective crowns 21 and 22.
- the translation means 39 are advantageously arranged between the first lateral bearing 26 and the third lateral bearing 29, so as to raise the first lateral bearing 26.
- the translation means 39 are advantageously arranged between the second lateral bearing 27 and the fourth lateral bearing. 31, so as to lift the second lateral bearing 27.
- the translation means 39 are preferentially in the form of a first device before 41, to spread by lifting, and reciprocally to bring down by lowering the first bearing 26 relative to the third bearing 27.
- the translation means 39 are preferentially in the form of a second rear device, to spread by lifting, and reciprocally to bring closer by lowering, the second bearing 27 relative to the fourth bearing 31.
- the device 41 comprises a cylindrical rod 42, vertical, substantially parallel to the front tie rods 33, and centered with respect to the axis of rotation 28 of the upper tool 16 and with respect to the axis of rotation 32 of the anvil 17.
- the rod 42 is slidable in a vertical rectilinear motion U and D, between the close position and the spaced apart position, and reciprocally between the spaced position and the close position.
- the rod 42 performs a maximum stroke (e in Figure 4 )
- the rod 42 thus reaches a high point, which corresponds to the desired and necessary gap between the upper tool 16 and the anvil 17, in order to achieve the displacement of the two upper rings 21 and 22.
- An end or an upper face 43 of the rod 42 generally comes to bear against a lower face 44 of the first bearing 26.
- a first blind vertical cylindrical housing 46 is formed in a lower part of the first bearing 26, and opens at the of the lower face 44 of this first bearing 26. The lower part of the rod 42 with the upper end 43 thus fits in the first housing 46.
- the device 41 preferably comprises an eccentric 48, positioned at the level of the third bearing 29.
- an end or a lower face 47 of the rod 42 can bear on the eccentric 48.
- a second housing cylindrical 49 is formed in an upper portion of the third bearing 29 and opens out at the upper face 51 of this third bearing 29.
- the lower part of the rod 42 with the lower end 47 is inserted into the second housing 49.
- the eccentric 48 is inserted at the bottom of the second housing 49.
- the rod 42 is able to be actuated manually, by rotation of the eccentric 48.
- the eccentric 48 is able to rotate (arrows Tu and Td in Figures 4 and 5 ) perpendicular to the rod 42 and the third bearing 29, ie in this case horizontally.
- the device 41 comprises means for manually actuating the rod 42. These means comprise a substantially horizontal axis extending the eccentric 48 and a rotary actuating button 52 provided with a finger 53, exiting at the outer face 54 of the third bearing 29, and fixed to the axis of the eccentric 48.
- the rear device comprises the same component parts.
- a method of adjusting a radial gap 20 existing between two transformation tools, the upper tool 16 and the anvil 17, in the processing arrangement, ie cutting 14 for the band 2, comprises several successive steps.
- a first step the operator releases the prestressing by loosening the clamping elements, ie in this case the nuts 34 and 37.
- the operator actuates the actuating buttons 52 by turning them Pu, a half turn into clockwise, and the eccentric 48 turns Tu correspondingly (see Figures 4 and 6 ).
- This causes a sliding U of the rod 42 upwards, and the first bearing 26 is directly pushed by the predetermined distance, ie the distance e.
- the first bearing 26 is pushed U of the third bearing 29 and the second bearing 27 is pushed back from the fourth bearing 31 by a predetermined distance e.
- This step of pushing the first bearing 26 of the third bearing 29, and the second bearing 27 of the fourth bearing 31, is implemented with two positions, a close position in which the two tools 16 and 17 cooperate with each other for the function of transformation, and a spaced apart position, in which the lateral position of the crown (s) 21 and 22 is modifiable.
- This displacement U of the first bearing 26 thus creates the gap e between the upper tool 16 and the anvil 17, to allow adjustment of the radial gap 20 by subsequent displacement of one or more rings 21 and 22.
- the operator modifies a lateral position of one or both rings 21 and 22.
- the operator actuates the actuating button 52 by turning it Pd by half a turn in the counterclockwise direction (see Figures 5 and 6 ), and the eccentric 48 rotates Td correspondingly.
- This causes a sliding D of the rod 42 downwards, and a rimpedement of the first bearing 26.
- the first bearing 26 is brought closer to the third bearing 29, and the second bearing 27 is close to the fourth bearing 31.
- This displacement U of the first bearing 26 and brings the upper tool 16 of the anvil 17, to help find the cutting function with the optimum radial gap 20.
- the operator puts back a prestressing by tightening the clamping elements, i.e. the nuts 34 and 37.
Description
La présente invention concerne un procédé pour régler l'intervalle radial existant entre deux outils de transformation d'un support plan. L'invention se rapporte à un agencement de transformation pour un support plan, muni de deux outils cylindriques de transformation, dans une machine de production d'emballages. L'invention se rapporte également à une cassette de transformation pour un support plan, comprenant un agencement de transformation pour le support plan. L'invention concerne une unité de transformation pour un support plan, équipée avec une cassette de transformation pour le support plan. L'invention concerne une unité de transformation pour un support plan, comprenant au moins un agencement de transformation pour le support plan. L'invention concerne également une machine de production d'emballages à partir d'un support plan, comprenant au moins une unité de transformation pour le support plan.The present invention relates to a method for adjusting the radial gap existing between two tools for transforming a plane support. The invention relates to a transformation arrangement for a flat support, provided with two cylindrical processing tools, in a packaging production machine. The invention also relates to a conversion cassette for a plane support, comprising a transformation arrangement for the plane support. The invention relates to a processing unit for a flat support, equipped with a conversion cassette for the plane support. The invention relates to a transformation unit for a plane support, comprising at least one transformation arrangement for the plane support. The invention also relates to a packaging production machine from a flat support, comprising at least one processing unit for the plane support.
Une machine de production d'emballages est destinée à la fabrication de boîtes, qui forment des emballages, après pliage et collage. Dans cette machine, un support plan initial, tel qu'une bande continue de carton, est déroulé et est imprimé par une unité d'impression, constituée de groupes imprimeurs. La bande est ensuite transférée dans une unité de transformation, pour confectionner des éléments en plaque, dans ce cas des boîtes.A packaging production machine is intended for the manufacture of boxes, which form packaging, after folding and gluing. In this machine, an initial planar support, such as a continuous strip of cardboard, is unwound and is printed by a printing unit, consisting of printing units. The strip is then transferred to a processing unit to make plate elements, in this case boxes.
L'unité de transformation comprend au moins un agencement de transformation muni de deux outils cylindriques rotatifs, positionnés parallèlement l'un par rapport à l'autre, de façon à coopérer entre eux. La bande circule entre les deux outils, pour y être transformée. Les deux outils tournent en sens inverse l'un de l'autre. Le premier outil est monté en rotation dans un premier et un deuxième palier. Et le deuxième outil est monté en rotation dans un troisième et un quatrième palier. Des éléments de serrage sont prévus pour maintenir fermement ensemble et mettre sous précontrainte le premier avec le troisième palier, ainsi que le deuxième avec le quatrième palier. L'agencement de transformation est le plus souvent prévu de manière à former une cassette. La cassette est insérée par coulissement dans chacun des bâtis latéraux de l'unité.The processing unit comprises at least one transformation arrangement provided with two rotary cylindrical tools, positioned parallel to each other, so as to cooperate with each other. The band moves between the two tools, to be transformed. Both tools rotate in opposite directions. The first tool is rotatably mounted in a first and a second bearing. And the second tool is rotatably mounted in a third and a fourth bearing. Clamps are provided to hold firmly together and prestress the first with the third bearing, and the second with the fourth bearing. The transformation arrangement is most often provided to form a cassette. The cassette is slidably inserted into each of the side frames of the unit.
La cassette permet un changement rapide des outils, en fonction des transformations du support à réaliser. Le fabricant d'emballages possède au minimum deux cassettes. Une première cassette est dans la machine en cours de production et est adaptée en fonction du travail de transformation en cours. Pendant ce temps, une deuxième cassette est en cours de montage et de réglage pour être adaptée en fonction du travail de transformation suivant. Lors du changement de travail, l'opérateur sort l'ancienne cassette et insert la nouvelle cassette, réduisant au minimum le temps d'arrêt de la machine.The cassette allows quick change of tools, depending on transformations of the support to be realized. The packaging manufacturer has at least two cassettes. A first cassette is in the machine being produced and is adapted according to the transformation work in progress. Meanwhile, a second cassette is being edited and adjusted to suit the next transformation job. When changing the job, the operator takes out the old cassette and inserts the new cassette, minimizing machine downtime.
A titre d'exemple, l'un des agencements ou l'une des cassettes est respectivement un agencement de découpe rotative ou une cassette de découpe rotative. Un premier outil cylindrique de découpe est muni de couteaux, et un deuxième outil cylindrique est lisse, et est appelé enclume. Un intervalle radial existant entre le premier outil cylindrique de découpe et le deuxième outil cylindrique doit être réglé de manière très précise.By way of example, one of the arrangements or one of the cassettes is respectively a rotary cutting arrangement or a rotating cutting cassette. A first cylindrical cutting tool is provided with knives, and a second cylindrical tool is smooth, and is called anvil. A radial gap between the first cylindrical cutting tool and the second cylindrical tool must be very precisely adjusted.
Au moment de la découpe, les arêtes des couteaux de l'outil de découpe doivent passer aussi près que possible du cylindre d'enclume, afin d'effectuer une découpe nette. Les arêtes de ces couteaux ne doivent cependant pas toucher le cylindre d'enclume, car elles seraient irrémédiablement détruites lors de la rotation. La matière constitutive du support, i.e. les fibres dans le cas du carton, ne doit pas apparaître au niveau de la découpe. Il n'est pas souhaitable non plus d'avoir des poussières provenant de la découpe de la matière constitutive du support. L'intérêt d'ajuster l'intervalle radial est aussi pour compenser l'usure progressive des couteaux de l'outil de découpe. C'est pourquoi, l'intervalle radial optimal entre les deux outils cylindriques rotatifs est réglé dans le micron.At the time of cutting, the edges of the cutting tool's knives must pass as close as possible to the anvil roll, in order to make a clean cut. The edges of these knives, however, must not touch the anvil cylinder, because they would be irretrievably destroyed during rotation. The material constituting the support, i.e. the fibers in the case of the carton, must not appear at the cut. It is also not desirable to have dust from the cutting of the material constituting the support. The advantage of adjusting the radial gap is also to compensate for the progressive wear of the cutting tool blades. Therefore, the optimal radial gap between the two rotating cylindrical tools is set in the micron.
Le document
Pour ce faire, l'opérateur desserre tout d'abord les éléments de serrage des paliers. Puis il déplace l'ensemble formé par le premier palier, le deuxième palier et le premier outil, de façon à l'écarter de l'ensemble formé respectivement par le troisième palier, le quatrième palier et le deuxième outil. Ce déplacement est assuré grâce à des cales de réglage pivotantes montées sur vis micrométriques.To do this, the operator first loosens the clamping elements of the bearings. Then it moves the assembly formed by the first bearing, the second bearing and the first tool, so as to separate it from the assembly formed respectively by the third bearing, the fourth bearing and the second tool. This movement is ensured by means of pivoting adjustment wedges mounted on micrometric screws.
Cependant, cette solution est longue. Chacune des cales doit être tournée manuellement et de manière séquentielle, ce qui prend du temps. Un autre inconvénient est qu'il est difficile de déplacer le premier et le deuxième palier de manière simultanée et sur la même distance. Il arrive souvent que le levage du premier palier se fait de biais par rapport au deuxième palier.However, this solution is long. Each of the holds must be turned manually and sequentially, which takes time. Another disadvantage is that it is difficult to move the first and second bearings simultaneously and at the same distance. It often happens that the lifting of the first landing is done at an angle to the second landing.
Un objectif principal de la présente invention est de mettre en oeuvre un procédé de réglage pour un agencement destiné à transformer un support plan. Un deuxième objectif consiste à prévoir un procédé permettant de faciliter un réglage de l'intervalle radial existant entre deux outils de transformation pour un support plan. Un troisième objectif est de mettre au point un agencement de transformation pour un support plan, destiné à une unité de transformation dans une machine de production d'emballages. Un quatrième objectif est de réaliser un agencement de transformation à outils rotatifs permettant d'obtenir un réglage simplifié et de réduire le temps de réglage de l'intervalle radial entre les deux outils. Un cinquième objectif est de résoudre les problèmes techniques mentionnés pour les agencements de l'état de la technique. Un sixième objectif consiste à prévoir une cassette comprenant un agencement de transformation pour l'unité de transformation. Un autre objectif encore est celui de réussir à insérer une unité de transformation dans une machine de production d'emballage.A main object of the present invention is to implement a setting method for an arrangement for transforming a planar support. A second objective is to provide a method for facilitating an adjustment of the radial gap between two transformation tools for a plane support. A third objective is to develop a transformation arrangement for a planar support, intended for a processing unit in a packaging production machine. A fourth objective is to provide a rotating tool transformation arrangement to achieve a simplified adjustment and to reduce the adjustment time of the radial gap between the two tools. A fifth objective is to solve the technical problems mentioned for the arrangements of the state of the art. A sixth objective is to provide a cassette comprising a transformation arrangement for the processing unit. Another objective is to succeed in inserting a processing unit in a packaging production machine.
Un procédé est utilisé pour régler un intervalle radial existant entre deux outils de transformation d'un support plan, dans un agencement de transformation pour le support plan. L'agencement de transformation pour le support plan comprend un premier outil cylindrique rotatif de transformation et un deuxième outil cylindrique rotatif de transformation. Le premier outil cylindrique rotatif de transformation et le deuxième outil cylindrique rotatif de transformation sont équipés chacun avec deux couronnes de roulement latérales coniques. Le premier outil cylindrique rotatif de transformation et le deuxième outil cylindrique rotatif de transformation sont agencés entre eux et coopèrent entre eux pour transformer le support. L'agencement de transformation pour le support plan comprend un premier palier latéral et un deuxième palier latéral. Le premier palier latéral et le deuxième palier latéral maintiennent le premier outil cylindrique rotatif de transformation pour rotation. L'agencement de transformation pour le support plan comprend un troisième palier latéral et un quatrième palier latéral. Le troisième palier latéral et le quatrième palier latéral maintiennent le deuxième outil cylindrique rotatif de transformation pour rotation. L'agencement de transformation pour le support plan comprend des éléments de serrage du premier palier latéral avec le troisième palier latéral, et des éléments de serrage du deuxième palier latéral avec le quatrième palier latéral.A method is used to adjust an existing radial gap between two planar media transformers in a transformation arrangement for the planar support. The transformation arrangement for the planar support comprises a first rotary cylindrical tool for transformation and a second rotary cylindrical tool for transformation. The first rotary cylindrical tool for transformation and the second rotary cylindrical tool for conversion are each equipped with two conical side bearing rings. The first rotary cylindrical tool of transformation and the second rotary cylindrical tool of transformation are arranged between them and cooperate with each other to transform the support. The transformation layout for the plane support comprises a first lateral bearing and a second lateral bearing. The first and second lateral bearings maintain the first rotating cylindrical tool for rotation. The transformation arrangement for the planar support comprises a third lateral bearing and a fourth lateral bearing. The third lateral bearing and the fourth lateral bearing maintain the second rotating cylindrical tool for rotation. The transformation arrangement for the plane support comprises clamping elements of the first lateral bearing with the third lateral bearing, and clamping elements of the second lateral bearing with the fourth lateral bearing.
Conformément à un aspect de la présente invention, le procédé comprend les étapes consistant:
- à desserrer les éléments de serrage du premier palier latéral avec le troisième palier latéral,
- à desserrer les éléments de serrage du deuxième palier latéral avec le quatrième palier latéral,
- à repousser le premier palier latéral du troisième palier latéral, selon une distance prédéterminée, et en s'appuyant sur ce même troisième palier latéral,
- à repousser le deuxième palier latéral du quatrième palier latéral, selon une distance prédéterminée, et en s'appuyant sur ce même quatrième palier latéral,
- à modifier une position latérale d'au moins une des couronnes de roulement latérales coniques sur au moins un des outils cylindriques rotatifs de transformation,
- à rapprocher le premier palier latéral du troisième palier latéral,
- à rapprocher le deuxième palier latéral du quatrième palier latéral,
- à resserrer les éléments de serrage du premier palier latéral avec le troisième palier latéral, et
- à resserrer les éléments de serrage du deuxième palier latéral avec le quatrième palier latéral.
- to loosen the clamping elements of the first lateral bearing with the third lateral bearing,
- to loosen the clamping elements of the second lateral bearing with the fourth lateral bearing,
- to push back the first lateral bearing of the third lateral bearing, according to a predetermined distance, and relying on this same third lateral bearing,
- to push back the second lateral bearing of the fourth lateral bearing, according to a predetermined distance, and by relying on this same fourth lateral bearing,
- modifying a lateral position of at least one of the conical lateral rolling crowns on at least one of the rotary cylindrical transformation tools,
- to bring the first lateral bearing of the third lateral bearing,
- to bring the second lateral bearing of the fourth lateral bearing,
- tightening the clamping elements of the first lateral bearing with the third lateral bearing, and
- tightening the clamping elements of the second lateral bearing with the fourth lateral bearing.
Autrement dit, une étape est mise en oeuvre pour pousser sur le premier palier, afin de l'écarter du troisième palier, et pour pousser sur le deuxième palier, afin de l'écarter du quatrième palier. Les étapes consistant à repousser et à rapprocher les paliers correspondant se font simultanément et d'un seul coup. Avec de telles étapes de repoussage en une seule et même phase, le réglage s'avère plus simple, ce qui permet ainsi d'éviter les erreurs de l'opérateur. Le temps de réglage est réduit en conséquence.In other words, a step is implemented to push on the first bearing, to separate it from the third bearing, and to push on the second bearing, to separate it from the fourth bearing. The steps of repelling and bringing the corresponding bearings are simultaneously and in one go. With such steps of repoussage in one and the same phase, the adjustment proves simpler, which thus makes it possible to avoid the errors of the operator. The setting time is reduced accordingly.
Le support plan est défini, à titre d'exemple non exhaustif, comme étant en un matériau en bande continue, tel que du papier, du carton plat, du carton ondulé, du carton ondulé contrecollé, du plastique flexible, par exemple du polyéthylène (PE), du polyéthylène téréphtalate (PET), du polypropylène biorienté (BOPP), ou d'autres matériaux encore.The flat support is defined, by way of non-exhaustive example, as being made of a continuous web material, such as paper, flat cardboard, corrugated cardboard, laminated corrugated cardboard, flexible plastic, for example polyethylene ( PE), polyethylene terephthalate (PET), bioriented polypropylene (BOPP), or other materials.
Un agencement de transformation pour un support plan comprend un premier outil cylindrique rotatif de transformation et un deuxième outil cylindrique rotatif de transformation. Le premier outil cylindrique rotatif de transformation et le deuxième outil cylindrique rotatif de transformation sont agencés entre eux et coopèrent entre eux pour assurer une transformation du support plan. L'agencement de transformation pour le support plan comprend un premier palier latéral et un deuxième palier latéral. Le premier palier latéral et le deuxième palier latéral maintiennent le premier outil cylindrique rotatif de transformation pour rotation. L'agencement de transformation pour le support plan comprend un troisième palier latéral et un quatrième palier latéral. Le troisième palier latéral et le quatrième palier latéral maintiennent le deuxième outil cylindrique rotatif de transformation pour rotation.A transformation arrangement for a planar support comprises a first rotary cylindrical tool for transformation and a second rotary cylindrical tool for transformation. The first rotary cylindrical tool of transformation and the second rotary cylindrical tool of transformation are arranged between them and cooperate with each other to ensure a transformation of the plane support. The transformation arrangement for the plane support comprises a first lateral bearing and a second lateral bearing. The first and second lateral bearings maintain the first rotating cylindrical tool for rotation. The transformation arrangement for the planar support comprises a third lateral bearing and a fourth lateral bearing. The third lateral bearing and the fourth lateral bearing maintain the second rotating cylindrical tool for rotation.
Dans un autre aspect de l'invention, l'agencement de transformation pour le support plan est caractérisé en ce qu'il comprend des moyens de translation pour écarter selon une distance prédéterminée, et réciproquement pour rapprocher, le premier palier latéral du troisième palier latéral, et le deuxième palier latéral du quatrième palier latéral, à deux positions, une première position rapprochée, dans laquelle les deux outils cylindriques rotatifs de transformation coopèrent entre eux, et une deuxième position écartée, dans laquelle les deux outils cylindriques rotatifs de transformation sont aptes à être modifiés, de façon à régler un intervalle radial entre le premier outil cylindrique rotatif de transformation et le deuxième outil cylindrique rotatif de transformation.In another aspect of the invention, the transformation arrangement for the plane support is characterized in that it comprises translation means for spacing a predetermined distance, and reciprocally to bring the first lateral bearing of the third lateral bearing closer together. , and the second lateral bearing of the fourth lateral bearing, in two positions, a first close position, in which the two rotary rotary machining tools cooperate with each other, and a second spaced apart position, in which the two rotary cylindrical transformation tools are suitable to be modified, so as to adjust a radial gap between the first rotary cylindrical tool of transformation and the second rotary cylindrical tool of transformation.
En d'autres termes, les moyens de translation sont du type on-off. Un opérateur fait passer les moyens de translation de la position off à la position on, et réciproquement de la position on à la position off. Avec les moyens de translation en position on, le premier palier et le troisième palier latéral sont respectivement écartés du deuxième palier et du quatrième palier latéral. Les deux outils sont écartés l'un de l'autre, ce qui permet à l'opérateur d'intervenir pour modifier facilement les outils et les ajuster en conséquence. Lorsque les moyens de translation sont en position off, les outils se retrouvent de nouveau en condition de travail.In other words, the translation means are of the on-off type. An operator moves the translation means from the off position to the on position, and vice versa from the on position to the off position. With the translation means in the on position, the first bearing and the third lateral bearing are respectively spaced apart from the second bearing and the fourth lateral bearing. The two tools are separated from each other, which allows the operator to intervene to easily modify the tools and adjust them accordingly. When the translation means are in the off position, the tools are found again in working condition.
Dans un autre aspect de l'invention, une cassette de transformation pour un support plan est caractérisée en ce qu'elle comprend un agencement de transformation pour le support plan présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées. Avec la cassette de transformation, l'accès, le montage et le démontage des outils sont facilités pour l'opérateur assurant les réglages et la maintenance de l'unité et de la machine.In another aspect of the invention, a conversion cassette for a planar support is characterized in that it comprises a processing arrangement for the plane support having one or more of the technical features described below and claimed. With the conversion cassette, access, assembly and disassembly of the tools are facilitated for the operator ensuring the adjustments and the maintenance of the unit and the machine.
Selon un autre aspect de l'invention, une unité de transformation pour un support plan est caractérisée en ce qu'elle équipée avec au moins une cassette de transformation pour le support plan, cette cassette étant munie d'un agencement de transformation pour le support plan, présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées.According to another aspect of the invention, a processing unit for a flat support is characterized in that it is equipped with at least one transformation cassette for the plane support, this cassette being provided with a transformation arrangement for the support. plan, having one or more of the technical characteristics described below and claimed.
Selon un autre aspect de l'invention, une unité de transformation pour un support plan est caractérisée en ce qu'elle comprend au moins un agencement de transformation pour le support plan, présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées.According to another aspect of the invention, a processing unit for a planar support is characterized in that it comprises at least one processing arrangement for the planar support having one or more of the technical features described below and claimed.
Selon un autre aspect encore de l'invention, une machine de production d'emballage à partir d'un support plan est caractérisée en ce qu'elle comprend au moins une unité de transformation pour le support plan, présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées.According to yet another aspect of the invention, a packaging production machine from a flat support is characterized in that it comprises at least one processing unit for the flat support, having one or more of the technical characteristics. described below and claimed.
L'invention sera bien comprise et ses divers avantages et différentes caractéristiques ressortiront mieux lors de la description suivante, de l'exemple non limitatif de réalisation, en référence aux dessins schématiques annexés, dans lesquels:
- la
Figure 1 représente une vue latérale synoptique d'une unité de transformation; - la
Figure 2 représente une vue isométrique d'une cassette munie d'un agencement de transformation selon l'invention; - la
Figure 3 représente une vue en coupe longitudinale partielle de deux paliers avant de la cassette de laFigure 2 ; - les
Figures 4 et 5 représentent une vue en coupe longitudinale agrandie des moyens de translation respectivement avec une première position rapprochée et une deuxième position écartée; - la
Figure 6 représente une vue isométrique partielle des moyens d'actionnement pour les moyens de translation.
- the
Figure 1 represents a synoptic side view of a transformation unit; - the
Figure 2 represents an isometric view of a cassette provided with a transformation arrangement according to the invention; - the
Figure 3 represents a partial longitudinal sectional view of two front bearings of the cassette of theFigure 2 ; - the
Figures 4 and 5 represent an enlarged longitudinal sectional view of the translation means respectively with a first close position and a second separated position; - the
Figure 6 represents a partial isometric view of the actuating means for the translation means.
Une machine de production d'emballage (non représentée) traite une matière ou un support plan, qui est dans ce cas un support en bande continue, par exemple une bande de carton plat. Comme l'illustre la
La machine peut présenter un dérouleur de bande, des unités telles que des groupes imprimeurs, des moyens pour contrôler la qualité et le registre de l'impression, un guidage de bande, et d'autres encore, qui sont positionnés en amont de l'unité 1.The machine may have a tape drive, units such as printer units, print quality and printing control means, web guiding, and the like, which are positioned upstream of the printer.
L'unité de transformation 1 est une unité de gaufrage, de refoulage et de découpe. La bande 2 arrive dans l'unité 1 par son côté transversal en amont, avec une vitesse constante. Un groupe d'introduction comprenant des rouleaux d'entraînement et des rouleaux de renvoi pour la bande 2 est prévu en entrée de l'unité 1. L'unité 1 transforme la bande 2, successivement en la gaufrant, en la refoulant, et en la découpant.The
L'unité 1 délivre des poses ou des boîtes transformées 3, étant par conséquent en carton plat gaufré, refoulé, et découpé. Les boîtes 3 sortent de l'unité 1 par son côté transversal en aval, avec la même vitesse constante. Les boîtes 3 confectionnées dans l'unité 1 sont ensuite séparées latéralement et longitudinalement l'une de l'autre dans une station de séparation puis réceptionnées dans une station de réception (non représentées).The
L'unité 1 comprend tout d'abord un premier agencement assurant le gaufrage 4, disposé en amont, i.e. en entrée de cette unité 1. L'agencement de gaufrage 4 est équipé d'un outil rotatif supérieur de gaufrage 6, positionné parallèlement à un outil rotatif inférieur de gaufrage 7. Dans l'exemple de réalisation, une cassette de gaufrage 8 comprend l'agencement de gaufrage 4.The
L'unité 1 comprend un deuxième agencement assurant le refoulage 9, disposé en aval de l'agencement de gaufrage 4. L'agencement de refoulage 9 est équipé d'un outil rotatif supérieur de refoulage 11, positionné parallèlement à un outil rotatif inférieur de refoulage 12. Dans l'exemple de réalisation, une cassette de refoulage 13 comprend l'agencement de refoulage 9.The
L'unité 1 comprend un troisième agencement assurant la découpe 14, disposé en aval de l'agencement de refoulage 9, i.e. en sortie de cette unité 1. L'agencement de découpe 14 est équipé d'un premier outil rotatif supérieur de découpe 16, positionné parallèlement à un deuxième outil rotatif inférieur de découpe 17. Dans l'exemple de réalisation, une cassette de découpe 18 comprend l'agencement de découpe 14.The
Les agencements 4, 9 et 14, et ainsi les cassettes 8, 13 et 18, sont placés les uns à la suite des autres pour que chacun réalise sa transformation respective, par gaufrage, refoulage, et découpe de la bande 2. Un outil d'éjection des déchets sous la forme d'un cylindre muni d'aiguilles d'éjection peut également être prévu à la place de l'outil outil rotatif inférieur de découpe 17. D'autres combinaisons sont possibles, telles qu'un cylindre supérieur formant à la fois un outil de découpe et outil de refoulage.The
L'axe de rotation de chacun des outils de gaufrage 6 et 7, de refoulage 11 et 12, et de découpe 16 et 17 est orienté transversalement par rapport au sens de défilement F de la bande 2. Le sens de rotation (Flèche Rs en
Les cassettes de gaufrage 8, de refoulage 13 et de découpe 18 sont aptes à être introduites dans un bâti 19 de l'unité 1, à être fixées au bâti 19, mises en production, puis à l'inverse, aptes à être désolidarisées du bâti 19, et à être extraites de ce bâti 19. L'unité 1 comprend ainsi trois logements transversaux prévus dans le bâti 19 pour chacune des trois cassettes 8, 13 et 18. Les cassettes 8, 13 et 18 sont introduites verticalement, par le haut par rapport au bâti 19 dans les logements transversaux. A l'inverse, les cassettes 8, 13 et 18 peuvent être extraites verticalement par rapport au bâti 19, hors de leur logement transversal respectif.The
L'agencement de découpe 14, et de ce fait la cassette de découpe 18, comprend (voir
L'outil supérieur 16 est muni à son extrémité avant d'une première couronne supérieure avant de roulement 21. L'outil supérieur 16 est muni à son extrémité arrière d'une deuxième couronne supérieure arrière de roulement 22. L'enclume 17 est munie à son extrémité avant d'une troisième couronne inférieure avant de roulement 23. L'enclume 17 est munie à son extrémité arrière d'une quatrième couronne inférieure arrière de roulement 24.The
Toutes les couronnes 21, 22, 23 et 24 possèdent une forme tronconique. Les couronnes supérieures 21 et 22 présentent ainsi une surface courbe interne plaquée contre la surface courbe de l'outil supérieur 16. Les couronnes inférieures 23 et 24 présentent une surface courbe interne plaquée contre la surface courbe de l'enclume 17. Les couronnes supérieures 21 et 22 de l'outil supérieur 16 entrent en contact, prennent appui sur, et roulent sur les couronnes de roulement inférieures opposées 23 et 24 de l'enclume 17. Il en résulte que, la couronne supérieure avant 21 présente une surface conique externe venant en butée contre une surface conique externe de la couronne inférieure avant 23. Et la couronne supérieure arrière 22 présente une surface conique externe venant en butée contre une surface conique externe de la couronne inférieure arrière 24.All the
Dans l'exemple de réalisation, les deux couronnes supérieures 21 et 22 de l'outil supérieur 16 sont déplaçables latéralement (Flèche L en
L'agencement de découpe 14, et de ce fait la cassette de découpe 18, comprend un premier palier avant supérieur 26 et un deuxième palier arrière supérieur 27, qui maintiennent pour rotation le premier outil, i.e. l'outil supérieur 16 par son axe de rotation 28. L'agencement de découpe 14, et de ce fait la cassette de découpe 18, comprend un troisième palier avant inférieur 29 et un quatrième palier arrière inférieur 31, qui maintiennent pour rotation le deuxième outil, i.e. l'enclume 17 par son axe de rotation 32. La base des deux paliers inférieurs 29 et 31 repose sur le bâti 19 lorsque la cassette de découpe 18 est insérée dans l'unité 1.The cutting
L'agencement de découpe 14, et de ce fait la cassette de découpe 18, comprend des moyens d'entraînement, sous la forme d'une pignonnerie (non visible dans les Figures), destinés à entraîner en rotation les deux outils 16 et 17. Lorsque la cassette 18 est insérée dans le bâti 19, la pignonnerie vient engrener avec les dents d'un pignon conjugué d'un moteur électrique d'entraînement en rotation.The cutting
Le premier palier avant supérieur 26 de l'outil supérieur 16 est fixé au troisième palier avant inférieur 29 de l'enclume 17, et le deuxième palier arrière supérieur 27 de l'outil supérieur 16 est fixé au quatrième palier arrière inférieur 31 de l'enclume 17, de façon à constituer la cassette de découpé 18. Pour maintenir la cassette 18 en un seul tenant, des éléments de serrage, sous la forme de quatre tirants, amont avant et aval avant 33, et amont arrière et aval arrière 36, traversent verticalement le palier avant supérieur 26 et le palier arrière supérieur 27, de part et d'autre de l'axe de rotation 28 de l'outil supérieur 16. L'extrémité inférieure de chacun des quatre tirants, avant 33 et arrière 36, est filetée et se visse dans un taraudage respectivement du palier avant inférieur 29 et du palier arrière inférieur 31. Quatre écrous, amont avant et aval avant 34, et amont arrière et aval arrière 37, viennent respectivement se visser sur l'extrémité supérieure des quatre tirants, avant 33 et arrière 36. Les écrous 34 et 37 bloquent les tirants 33 et 36 par appui sur une face supérieure respectivement du palier avant supérieur 26 et du palier arrière supérieur 27 et permettent de précontraindre les paliers deux par deux.The first upper front bearing 26 of the
La cassette de découpe 18, ainsi que les cassettes de gaufrage 8 et de refoulage 13, comprennent deux pattes de saisie 38 prévues chacune au niveau de la face supérieure du palier avant supérieur 26 et du palier arrière supérieur 27. Les deux pattes 38 sont destinées à coopérer avec des moyens de levage pour soulever verticalement et transporter la cassette 18, 8 et 13 en dehors du bâti 19.The cutting
Afin de pouvoir procéder à un réglage de l'intervalle radial 20 entre l'outil supérieur 16 et l'enclume 17, une seule ou le plus souvent les deux couronnes supérieures 21 et 22 doivent être déplacées. Pour ce faire, l'outil supérieur 16 est écarté verticalement de l'enclume 17, et les couronnes 21, 22, 23 et 24 sont ainsi libérées de toute contrainte d'appui.In order to be able to adjust the
Selon l'invention, l'agencement de découpe 14, et de ce fait la cassette de découpe 18, comprend des premiers moyens de translation 39 pour écarter verticalement (Flèche U en
Les moyens de translation 39 possèdent deux positions (
Les moyens de translation 39 sont avantageusement disposés entre le premier palier latéral 26 et le troisième palier latéral 29, de façon à soulever le premier palier latéral 26. Les moyens de translation 39 sont avantageusement disposés entre le deuxième palier latéral 27 et le quatrième palier latéral 31, de façon à soulever le deuxième palier latéral 27.The translation means 39 are advantageously arranged between the first
Pour ce faire, les moyens de translation 39 se présentent préférentiellement sous la forme d'un premier dispositif avant 41, pour écarter en soulevant, et réciproquement pour rapprocher en abaissant, le premier palier 26 par rapport au troisième palier 27. Les moyens de translation 39 se présentent préférentiellement sous la forme d'un deuxième dispositif arrière, pour écarter en soulevant, et réciproquement pour rapprocher en abaissant, le deuxième palier 27 par rapport au quatrième palier 31.To do this, the translation means 39 are preferentially in the form of a first device before 41, to spread by lifting, and reciprocally to bring down by lowering the
De manière favorable, le dispositif 41 comprend une tige cylindrique 42, verticale, sensiblement parallèle aux tirants avant 33, et centrée par rapport à l'axe de rotation 28 de l'outil supérieur 16 et par rapport à l'axe de rotation 32 de l'enclume 17. La tige 42 est apte à coulisser selon un mouvement rectiligne vertical U et D, entre la position rapprochée et la position écartée, et réciproquement entre la position écartée et la position rapprochée. La tige 42 effectue une course maximale (e en
Une extrémité ou une face supérieure 43 de la tige 42 vient de manière globale s'appuyer contre une face inférieure 44 du premier palier 26. Un premier logement cylindrique vertical borgne 46 est ménagé dans une partie inférieure du premier palier 26, et débouche au niveau de la face inférieure 44 de ce premier palier 26. La partie inférieure de la tige 42 avec l'extrémité supérieure 43 s'insère ainsi dans le premier logement 46.An end or an
Le dispositif 41 comprend de préférence un excentrique 48, positionné au niveau du troisième palier 29. Pour obtenir le coulissement U et D, une extrémité ou une face inférieure 47 de la tige 42 peut être en appui sur l'excentrique 48. Un deuxième logement cylindrique 49 est ménagé dans une partie supérieure du troisième palier 29 et débouche au niveau de la face supérieure 51 de ce troisième palier 29. La partie inférieure de la tige 42 avec l'extrémité inférieure 47 s'insère dans le deuxième logement 49. L'excentrique 48 est inséré au fond du deuxième logement 49.The
La tige 42 est apte à être actionnée manuellement, par rotation de l'excentrique 48. L'excentrique 48 est apte à tourner (Flèches Tu et Td en
Selon l'invention, un procédé de réglage d'un intervalle radial 20 existant entre deux outils de transformation, l'outil supérieur 16 et l'enclume 17, dans l'agencement de transformation, i.e. de découpe 14 pour la bande 2, comprend plusieurs étapes successives.According to the invention, a method of adjusting a
Dans une première étape, l'opérateur relâche la précontrainte en desserrant les éléments de serrage, i.e. dans ce cas les écrous 34 et 37. L'opérateur actionne les boutons d'actionnement 52 en les tournant Pu, d'un demi-tour dans le sens des aiguilles d'une montre, et l'excentrique 48 tourne Tu de manière correspondante (voir
Ce déplacement U du premier palier 26 crée ainsi l'écart e entre l'outil supérieur 16 et l'enclume 17, pour permettre un réglage de l'intervalle radial 20 par déplacement subséquent d'une ou des couronnes 21 et 22. Dans une troisième étape, l'opérateur modifie une position latérale d'une ou des deux couronnes 21 et 22.This displacement U of the
L'opérateur actionne le bouton d'actionnement 52 en le tournant Pd d'un demi-tour dans le sens inverse des aiguilles d'une montre (voir
Dans une cinquième et dernière étape, l'opérateur remet une précontrainte en resserrant les éléments de serrage, i.e. les écrous 34 et 37.In a fifth and final step, the operator puts back a prestressing by tightening the clamping elements, i.e. the nuts 34 and 37.
La présente invention n'est pas limitée aux modes de réalisation décrits et illustrés. De nombreuses modifications peuvent être réalisées, sans pour autant sortir du cadre défini par la portée du jeu de revendications.The present invention is not limited to the embodiments described and illustrated. Many modifications can be made, without departing from the scope defined by the scope of the set of claims.
Claims (15)
- Method for adjusting a radial gap (20) between two tools (16, 17) for transforming a planar support (2), in an arrangement (18) for transforming the support (2), comprising:- first and second rotating cylindrical transformation tools (16, 17), each provided with two tapered side bearing rings (21, 22, 23, 24), and arranged and cooperating together to transform the support (2),- first and second side bearings (26, 27), holding the first tool (16) for rotation (Rs),- third and fourth side bearings (29, 31), holding the second tool (17) for rotation (Ri),- clamping elements (34, 37) for clamping together the first and third bearings (26, 29), and the second and fourth bearings (27, 31),comprising the steps consisting of:- loosening the clamping elements (34, 37),- pushing (U) the first bearing (26) away from the third bearing (29), and the second bearing (27) away from the fourth bearing (31), according to a predetermined distance (e),- modifying (L) a lateral position of at least one of the rings (21, 22),- bringing (D) the first bearing (26) towards the third bearing (29), and the second bearing (27) towards the fourth bearing (31), and- retightening the clamping elements (34, 37).
- Method according to claim 1, characterised in that the step consisting in pushing (U) the first bearing (26) away from the third bearing (29), and the second bearing (27) away from the fourth bearing (31) is implemented with two positions, an approached position wherein the two tools (16, 17) cooperate together, and a separated position, wherein the side position of the ring or rings (21, 22, 23, 24) can be modified (L).
- Arrangement for transforming for a planar support (2), comprising:- a first and a second rotating cylindrical transformation tool (16, 17), the two tools (16,17) being arranged and cooperating together to transform the support (2),- a first and a second side bearing (26, 27), holding the first tool (16) for rotation (Rs),- a third and a fourth side bearing (29,31), holding the second tool (17) for rotation (Ri), andcharacterised in that it comprises means of translation (39) for separating (U) according to a predetermined distance (e), and reciprocally for approaching (D), the first bearing (26) to the third bearing (29), and the second bearing (27) of the fourth bearing (31), with two positions, an approached position, wherein the two tools (16,17) cooperate together, and a separated position, wherein the two tools (16, 17) are able to be modified, in such a way as to adjust a radial gap (20) between the two tools (16, 17).
- Arrangement according to claim 3, characterised in that the first tool (16) is provided with two tapered side bearing rings (21, 22) with a side position that can be modified (L).
- Arrangement according to claim 3 or 4, characterised in that the means of translation (39) are arranged between the first and the third bearing (26, 29), and between the second and fourth bearing (27, 31).
- Arrangement according to any of claims 3 to 5, characterised in that the means of translation (39) include two devices (41) for separating (U), and reciprocally for approaching (D), respectively the first bearing (26) from third bearing (29), and the second bearing (27) to the fourth bearing (31).
- Arrangement according to claim 6, characterised in that the device (41) comprises a sliding rod (42) with straight movement between the approached position and the separated position.
- Arrangement according to claim 7, characterised in that an upper end (43) of the rod (42) bears against a lower face (44), respectively of the first and of the second bearing (26, 27).
- Arrangement according to claim 7 or 8, characterised in that the device (41) comprises an eccentric (38), and that one lower end (47) of the rod (42) is bearing against the eccentric (38).
- Arrangement according to any of claims 7 to 9, characterised in that the device (41) comprises means (52, 53) for manually actuating the rod (42).
- Arrangement according to any of claims 3 to 10, characterised in that the first and the second tool is a tool for cutting (16, 27), and/or a tool for ejecting waste.
- Cassette for transforming for a planar support (2), characterised in that it comprises an arrangement for transforming (4, 9, 14), according to any of claims 3 to 11.
- Unit for transforming for a planar support (2), characterised in that it is provided with a cassette for transforming (8, 13, 18) according to claim 12.
- Unit for transforming for a planar support (2), characterised in that it comprises at least one arrangement for transforming (4, 9, 14), according to any of claims 3 to 11.
- Machine for producing packaging using a planar support (2), characterised in that it comprises a unit for transforming (1), according to claim 13 or 14.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14708199.6A EP2964435B1 (en) | 2013-03-07 | 2014-03-04 | Method for adjusting the radial clearance between two tools, arrangement for transforming a substrate, cassette, unit and machine provided with same |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13001151 | 2013-03-07 | ||
PCT/EP2014/000545 WO2014135266A1 (en) | 2013-03-07 | 2014-03-04 | Method for adjusting the radial gap between two tools, arrangement for transforming a support, cassette, unit and machine equipped with same |
EP14708199.6A EP2964435B1 (en) | 2013-03-07 | 2014-03-04 | Method for adjusting the radial clearance between two tools, arrangement for transforming a substrate, cassette, unit and machine provided with same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2964435A1 EP2964435A1 (en) | 2016-01-13 |
EP2964435B1 true EP2964435B1 (en) | 2017-02-22 |
Family
ID=47912833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14708199.6A Not-in-force EP2964435B1 (en) | 2013-03-07 | 2014-03-04 | Method for adjusting the radial clearance between two tools, arrangement for transforming a substrate, cassette, unit and machine provided with same |
Country Status (7)
Country | Link |
---|---|
US (1) | US20160016324A1 (en) |
EP (1) | EP2964435B1 (en) |
JP (1) | JP6137651B2 (en) |
KR (1) | KR101809807B1 (en) |
CN (1) | CN105189060B (en) |
TW (1) | TWI538794B (en) |
WO (1) | WO2014135266A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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MX2018012431A (en) * | 2016-04-12 | 2019-01-31 | Ykk Corp | Automatic sizing cutting device. |
US11541622B2 (en) * | 2017-07-06 | 2023-01-03 | Bobst Mex Sa | Creasing machine, creasing cylinder for the creasing machine and method for creasing sheets |
EP3648908A1 (en) * | 2017-07-06 | 2020-05-13 | Bobst Mex Sa | A method of creasing sheets |
US11485101B2 (en) | 2017-07-14 | 2022-11-01 | Georgia-Pacific Corrugated Llc | Controls for paper, sheet, and box manufacturing systems |
US11520544B2 (en) | 2017-07-14 | 2022-12-06 | Georgia-Pacific Corrugated Llc | Waste determination for generating control plans for digital pre-print paper, sheet, and box manufacturing systems |
US10642551B2 (en) | 2017-07-14 | 2020-05-05 | Georgia-Pacific Corrugated Llc | Engine for generating control plans for digital pre-print paper, sheet, and box manufacturing systems |
US11449290B2 (en) | 2017-07-14 | 2022-09-20 | Georgia-Pacific Corrugated Llc | Control plan for paper, sheet, and box manufacturing systems |
US20190016551A1 (en) | 2017-07-14 | 2019-01-17 | Georgia-Pacific Corrugated, LLC | Reel editor for pre-print paper, sheet, and box manufacturing systems |
US10857690B2 (en) * | 2018-09-11 | 2020-12-08 | The Procter & Gamble Company | Method and apparatus for adjusting and maintaining a position of a cutting surface of a perforating apparatus |
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US3608047A (en) * | 1968-03-08 | 1971-09-21 | Fort Howard Paper Co | Method of manufacturing embossed paper products |
DE2912458A1 (en) * | 1979-03-29 | 1980-10-09 | Winkler Duennebier Kg Masch | ROTATIONAL PUNCHING AGAINST THE CUTTER ROLLER SUPPORTED |
JPS62213996A (en) * | 1986-03-11 | 1987-09-19 | 川之江造機株式会社 | Clearance regulator for cutter roll |
CH673623A5 (en) * | 1987-06-19 | 1990-03-30 | Grapha Holding Ag | |
US5001950A (en) * | 1988-10-14 | 1991-03-26 | Sequa Corporation | Rotary die cutter |
DE3924053A1 (en) * | 1989-07-21 | 1991-01-24 | Wilhelm Aichele | DEVICE FOR ROTARY CUTTING MATERIALS |
JP2998806B2 (en) * | 1990-05-24 | 2000-01-17 | 株式会社フジクラ | Tape slit device |
US5058496A (en) * | 1990-09-17 | 1991-10-22 | Integrated Design Corp. | Roll apparatus with cooling system for maintaining constant gap size and method |
US5083488A (en) * | 1991-04-12 | 1992-01-28 | Melvin Stanley | Radially adjustable anvil roll assembly for a rotary die cutting press |
CH691116A5 (en) * | 1995-09-22 | 2001-04-30 | Bobst Sa | Method for adjusting the radial gap between two rotating tools and processing station for carrying out the method. |
US6085626A (en) * | 1999-01-15 | 2000-07-11 | Atlantic Commerce Properties | Rapid adjustment rotary dies |
CH693824A5 (en) * | 1999-04-28 | 2004-02-27 | Bobst Sa | Device for fixing and guiding a bearing on a frame. |
FR2806026B1 (en) * | 2000-03-10 | 2002-08-02 | Machines Pour Les Arts Graphiq | RECOVERABLE TYPE ROTARY CUTTING CASSETTE FOR PAPER AND CARDBOARD PROCESSING MACHINES |
JP2005014211A (en) * | 2004-09-27 | 2005-01-20 | Dainippon Printing Co Ltd | Packing bag cutter |
EP2241441B1 (en) * | 2009-04-15 | 2011-08-31 | Müller Martini Holding AG | Device for processing a web of material between two rollers which operate in opposite directions |
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2014
- 2014-03-04 CN CN201480025414.8A patent/CN105189060B/en not_active Expired - Fee Related
- 2014-03-04 EP EP14708199.6A patent/EP2964435B1/en not_active Not-in-force
- 2014-03-04 US US14/772,851 patent/US20160016324A1/en not_active Abandoned
- 2014-03-04 KR KR1020157027739A patent/KR101809807B1/en active IP Right Grant
- 2014-03-04 WO PCT/EP2014/000545 patent/WO2014135266A1/en active Application Filing
- 2014-03-04 JP JP2015560580A patent/JP6137651B2/en not_active Expired - Fee Related
- 2014-03-06 TW TW103107617A patent/TWI538794B/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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JP6137651B2 (en) | 2017-05-31 |
EP2964435A1 (en) | 2016-01-13 |
US20160016324A1 (en) | 2016-01-21 |
TWI538794B (en) | 2016-06-21 |
WO2014135266A1 (en) | 2014-09-12 |
TW201446447A (en) | 2014-12-16 |
CN105189060A (en) | 2015-12-23 |
CN105189060B (en) | 2017-12-15 |
JP2016515051A (en) | 2016-05-26 |
KR101809807B1 (en) | 2018-01-18 |
KR20150128847A (en) | 2015-11-18 |
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