EP2125265A1 - Maschine zur verjüngung kompakter metalldosen für aerosolspender und ähnliches - Google Patents
Maschine zur verjüngung kompakter metalldosen für aerosolspender und ähnlichesInfo
- Publication number
- EP2125265A1 EP2125265A1 EP08761807A EP08761807A EP2125265A1 EP 2125265 A1 EP2125265 A1 EP 2125265A1 EP 08761807 A EP08761807 A EP 08761807A EP 08761807 A EP08761807 A EP 08761807A EP 2125265 A1 EP2125265 A1 EP 2125265A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- tool
- base
- column
- actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2692—Manipulating, e.g. feeding and positioning devices; Control systems
Definitions
- the invention relates to machines used to conify and, more generally, to shape the metal wall of containers such as aerosol cans or bottles. These machines are called "conifers”.
- the conifers receive cylindrical blanks, generally obtained by shock-spinning or spin-drawing aluminum alloy pegs. These blanks consist of a cylindrical side wall having a first open end and a second end connected to a transverse wall forming a bottom.
- the coniferous ones allow in the first place the conification, in several successive operations, of the open end of the side wall, initially cylindrical, to form a neck. But they also make it possible to carry out other operations, such as, with regard to the aerosol containers, the formation of an edge rolled at any end of said open end (said rolled edge being intended to receive a valve cup ) and the deformation of the bottom so that said bottom is in the form of an inverted dome, which gives the housing a better resistance to pressure.
- the conifier is equipped with a plurality of dies which have shapes such that, brought one after the other vis-à-vis said open end and animated by a movement translationally to the blank, they impose on the wall of said blank a narrowing of stronger and stronger.
- buffering to denote this type of shaping that is imposed by the axial displacement of a tool coming into contact with an area near the open end of the sidewall of roughing.
- the machine is equipped with another plurality of dies which have different shapes from the first ones and which are such that, also brought one after the other opposite the open end necking of the blank and moved with a translational movement towards said blank, they impose on the zone near the edge delimiting this open end an expansion so that, this zone being dilated relative to the less stressed end, it leads to the forming said rolled edge.
- the coniferous ones have also been equipped with tools making it possible to make shaped housings (that is to say having a non-cylindrical side wall), for example by dilating, in the zone close to the open end of the blank, the diameter of the side wall which had been previously narrowed, so that one obtains a more or less marked annular depression on the side wall of the container.
- these machines can also be equipped with devices for locally embossing the side wall of the metal housing.
- the coniferous generally comprises a turntable, said base plate, whose rotation is controlled step by step, comprising a plurality of n bases intended to each maintain a blank to form and a movable plate with alternating axial translation, comprising a plurality of dies, called "tool tray".
- Each blank is held firmly, by its bottom engaged in said base, to the base plate and has its open end to the tool plate. After rotation of the plate, the blank is in front of a new matrix which is driven, by means of the tool plate, of an axial movement towards the said open end, comes into contact therewith and imposes on it an additional increment of deformation.
- FIGS 1 and 2 schematically show a conventional coniferous, as can be seen further illustrated in EP 0 275 369 (FRATTINI SpA) or in EP 1 531 017 (ENVASES METALURGICOS of ALAVA, SA).
- the machine 100 preferably comprises at least two actuators (not shown) acting in a coordinated manner, one in rotations (R) step by step and the other in alternating translation movement (T).
- actuator is meant the association of a source of motive power and a mechanical system which transforms said motive power into a given precise movement.
- the first actuator is a rotating motor in continuous rotation associated with a cam indexer which transforms the continuous rotation into a series of rotations (R) each corresponding to a fraction of a turn of the base-plate.
- the second actuator is for example a rotational motor in continuous rotation associated with another type of indexer or a connecting rod - crankshaft system.
- These actuators are integral with a frame 110 which supports a horizontal column 115 which supports a base plate 120 and a tool plate 130.
- the function "support column" exerted by the frame is shown schematically by the ring 105
- the tool plate 130 is integral with said column which is driven, by a first actuator, an alternating axial translational movement (T).
- the base plate 120 rotates, through a second actuator, about the axis 101 of said column.
- the driving power source of the first actuator is the same as that of the second actuator.
- the blanks 10 are brought by means of a first transfer means 20 near the machine 100 and are then placed on the base plate 120 by means of a second transfer means comprising a mechanism type star wheel, here not shown.
- the base plate 120 has n bases 121 regularly distributed over the circumference, n being an integer preferably multiple of 4, preferably equal to 12, 16, 20 or 24, or more.
- the tool plate 130 also has n positions on which it is possible to fix a die 131 facing a base or any other tool capable of acting on the housing blank by translation towards said draft. Each of these positions corresponds to a workstation.
- the tool plate 130 Once the tool plate 130 has been moved towards the base plate 120 to deform the open ends 11 of the blanks 10, it is moved in a counter-clockwise direction and, during this retreating movement, the plate base holder 120 is rotated by an angle 2 ⁇ / n of so that each base is found in front of a new matrix on the tool tray.
- the cycle begins again: the tool plate 130 is moved towards the base-plate 120 to deform the open ends of the casing blanks, each die or tool being opposite the blank which was previously at a relative angular position shifted by - 2 ⁇ / n, etc.
- the blanks are thus progressively deformed by the sequential meeting of the dies.
- the latter When the final shape of the housing 15 is obtained, the latter is ejected from the base, and with a third transfer means (here not shown), preferably a star wheel, it is transported by a fourth transfer means 30 to a station packaging or completion.
- a third transfer means here not shown, preferably a star wheel
- the travel of the tool plate 130 determines the axial "depth" on which a deformation can be imposed on the side wall of a housing. It also has a direct influence on the production rate: the longer it is, the more difficult it is to reach, due to the inertia of the tool tray, the accelerations and decelerations necessary to maintain an acceptable production rate. .
- WO2006 / 048056 (FRATTINI), consists of deforming the cylindrical wall as deeply as possible (formation of ogival-shaped necks, manufacture of bottles with a large neck or formation, for example by embossing, reliefs, annular or not, to near the bottom of the case).
- This tendency to deep shaping or "deep-shaping" leads to the development of an increasing number of deformation stations on the base-bearing trays and toolholders.
- a single machine is generally not sufficient to obtain the desired final shape, so that we are currently obliged to provide on the new production lines, a zone upstream coniferous, able to receive additional machines called "pre-conifious”.
- the precasters have a structure similar to that of the classic conifiers but, because of a greater stroke (amplitude of the translational movement), they are more limited in production rates and should be mounted in parallel if one wants to maintain the productivity of the line reached elsewhere for the boxes
- the applicant has therefore sought a solution avoiding the lengthening of manufacturing lines and the resulting technical, economic and financial disadvantages.
- a first object according to the invention is a machine for shaping the wall, in particular the side wall, of a metal container, such as an aerosol dispenser housing or a bottle, comprising:
- a first base-support plate extending perpendicularly to said column, bearing n bases regularly distributed over its circumference, n being an integer preferably multiple of 4, advantageously equal to 12, 16, 20, 24 or 28, and animated, with the aid of a second actuator, a discontinuous rotational movement about the axis of said column, that is to say, rotating step by step, by step an angle of 2 ⁇ / n, said bases being intended to collect the blanks of the metal containers - a tool-carrying tray, extending perpendicular to said column, integral with said column, comprising, on its face oriented towards said first door plate -bases, n housings for fixing a matrix - or any other tool capable of deforming the transverse wall of a blank - opposite the bases of said first base-plate, characterized in that said machine also comprises a second base plate, placed in such a way that it frames the tool plate with the first base plate, also bearing n regularly distributed bases on its circumference, and animated, with the aid of a third actuator, of '
- the positions of the n tool recesses of one side of the tool holder may coincide with the positions of the n housings of the other face but, advantageously, these are shifted by an angle ⁇ / n so as to be able to place , at the right of a given tool and on the opposite face of the tool plate, a mechanical support, preferably a reinforcing rib, which allows said tool to better withstand the repeated mechanical shocks that it undergoes during tampons.
- the second base-carrier plate obviously has a set of n bases shifted by ⁇ / n with respect to the set of n bases of the first base-carrier plate.
- the tool plate is integral with said column which is driven by the second actuator with an alternating axial translation movement.
- the frame of the machine extends beyond the second tool plate and is provided with a bearing supporting the end of the column which itself extends beyond said second tool plate.
- the rotations of the two base-bearing plates and the alternating translation of the tool-carrying plate are periodic movements which follow the same frequency, the duration of a cycle corresponding on the one hand to the round-trip of the carrier plate.
- the movements of the trays are synchronized so that the ends of the trajectory of the tool plate are reached when the base plate concerned by the buffering is in the middle of its immobilization phase.
- the second actuator and the third actuator are driven by the same rotating motor in continuous rotation.
- the second actuator is associated with a first cam indexer which transforms the continuous rotation into a succession of rotations each corresponding to a fraction of a turn of the base-plate.
- the third actuator is also associated with a second cam indexer which transforms the continuous rotation into a series of rotations each corresponding to a fraction of a turn of the base-plate, but the second indexer is shifted relative to the first indexer so that the buffering position of the tools on one side of the tool holder corresponds to the rest position of the tools on the other side.
- the time offset must therefore correspond to half the duration of a cycle
- the first actuator is moved by the same rotating motor in continuous rotation. It is for example associated with another type of indexer or a crankshaft-crankshaft system, the latter being coupled to the engine so that the crankshaft makes a complete turn when the base plates are one-nth of a turn.
- the second base-carrier plate rotates through the third actuator around the axis of said column. It rotates, with a time offset corresponding to half a cycle, in the same direction of rotation
- first tool plate first configuration
- second configuration second configuration
- this machine offers twice as many workstations as a conventional machine because the same movement of the column serves both to remove the tools from one side of the tool holder and to activating (preferably buffering) tools on the other side of the tool holder.
- the increase in inertias resulting from the doubling of the number of tools to be placed on the tool-holder tray certainly results in an increase in the power necessary to set the said tool-holder plate in motion, but this does not necessarily translate into a slowing down.
- the coniferous allows to work on a flow of boxes double that of coniferous or conventional precursors. This results in a machine whose capacity in speed of conification is doubled.
- the housings in the last position of the first base-plate are ejected from their base, and by means of a transfer means comprising for example a 180 ° turning mechanism of the housing surrounded by mechanisms of the type star wheel, are re-directed to the second base-plate to complete their formatting.
- the capacity in speed is not increased but the capacity in number of tools, thus in possible increments of deformation, is doubled.
- the exit direction of the housings is different from the exit direction of a conventional line, which allows to install the finishing equipment of the housings not at the end of line but "upstream" of the coniferous slightly offset, which advantageously reduces the length of the production line.
- FIGURES Figures 1 and 2 illustrate schematically, respectively in a right view and in front view, a conventional conification machine.
- FIG. 3 illustrates a conification machine according to the invention operating according to the first configuration envisaged (doubled production rate).
- FIG. 4 schematically illustrates the cycles associated with the movements of the first base plate, the tool plate and the second base plate of a conification machine according to the invention.
- FIG. 5 illustrates a conification machine according to the invention operating according to the second configuration envisaged (doubling the capacity in increments of deformation).
- FIGS 3 and 5 show schematically a machine 200 according to the invention, operating in two different configurations, which comprises:
- a tool plate 230 which extends perpendicularly to said column and which is integral with said column, comprising, on its face facing the first base-plate 220, n housings making it possible to fix a matrix 231 - or any other tool capable of deformation of the wall cross-section of a blank - opposite the bases 221 of said first base-plate 220.
- the function "support of the column" exerted by the frame is achieved by means of a bearing 205 consisting of a bronze ring which participates in guiding the base-carrier trays.
- Said machine also comprises a second base plate 240, placed so that it frames with the first base plate 220 the tool plate 230, also bearing n bases 241 regularly distributed over its circumference, and animated, to using a third actuator (not shown), a discontinuous rotational movement (R2, R'2) around the axis 201 of the column 215, rotating step by step, by a step of 2 ⁇ / n.
- the tool plate 230 also comprises, on its side facing the second base-plate 240, n housings making it possible to fix a matrix 232 - or any other tool capable of deforming the transverse wall of a blank - in the form of screws. to the bases of the second base plate 240.
- the tool plate 230 is integral with the column 215 which is driven by the first actuator of an alternating axial translation movement.
- An extension 211 of the frame, extending beyond the second tool plate 240, is provided with a bearing supporting the end of the column 216 which itself extends beyond said second tool plate 240.
- the 24 positions of the tools (231) on one face are shifted by ⁇ / 24 relative to the 24 positions of the tools (232) on the other face so as to be able to place, at the right of a given tool 231 (respectively 232) and on the opposite face of said tool plate, a mechanical support, in this case a reinforcing rib 236 (respectively 237), which allows said tool to better withstand the repeated mechanical shocks it undergoes during buffering.
- the second base-plate 240 also has a set of 24 bases offset by ⁇ / 24 with respect to all 24 bases of the first base-plate 220. To facilitate the synchronization of the movement of the plates, the set of actuators is associated with the same motor in continuous rotation.
- the first actuator corresponds to the combination of a rotating engine in continuous rotation with a mechanical crankshaft - crankshaft system, the latter being coupled to the engine so that the crankshaft makes a complete revolution when the base plates make a nth of tower.
- the second actuator corresponds to the association of the same motor in continuous rotation with a first cam indexer which transforms the continuous rotation into a series of rotations each corresponding to a fraction of a turn 2 ⁇ / n (in this case ⁇ / 12) of first base plate 220.
- the third actuator also corresponds to the association of the same motor in continuous rotation with a second cam indexer which transforms the continuous rotation into a series of rotations each corresponding to a fraction of a turn 2 ⁇ / n (in the occurrence ⁇ / 12) of the second base plate 240.
- the second indexer is offset relative to the first indexer so that the buffering position of the tools of a face of the tool holder corresponds to the position of rest of the tools on the other side.
- the time offset must therefore correspond to half the duration of a cycle.
- FIG. 4 schematically illustrates the cycles associated with the movement (R1) of the first base-support plate 220, the movement (T) of the tool-carrying plate 230 and the movement (R2) of the second base-plate plate 240.
- the graph R1 (t) of the top indicates the cycles followed in the course of time by the first base tray 220:
- the graph R2 (t) at the bottom indicates the cycles followed over time by the second base plate 240: when R2 (t) is different from 0, said plate is set in motion,
- the duration c of a cycle corresponds to the sum of the time r put to perform a rotation of ⁇ / 12, including the acceleration (I) and deceleration (II) phases of said plateau and working time w, including the actual buffering time and, at least partially, the approaches a and distance e of the tool.
- the second base-support plate 240 follows rotations of ⁇ / 12, made step by step, with a time shift of c / 2 relative to the first base-support plate 220.
- the tool-carrying plate 230 follows an alternating translation movement such that each end of the trajectory E1 (respectively E2) is reached in the middle of the immobilization phase F1 (respectively F2) of the base plate 220 (respectively 240) associated with said end.
- each tool (231, 232) is placed on one face of the tool-holder plate 230 with an axial "height" such that the tool can reach the open end of the blank at the desired position Tc.
- the second base plate 240 turns - with a time offset corresponding to half a cycle - either in the same direction of rotation as the first tool plate (first configuration, Figure 3), or, through couplings adapted, in opposite direction of rotation
- the blanks coming from the production line are separated into two streams of the same intensity: the blanks 10a are placed on the first base-plate 220 and the blanks 10b are placed on the second base-plate 240.
- the plates base carriers 220 and 240 have 24 bases 121 regularly distributed around their circumference.
- the tool plate 230 has on each of these faces 24 positions on which it is possible to fix a matrix 231, 232 vis-à-vis a base or any other tool capable of acting on the housing blanks by buffering. Each of these positions corresponds to a workstation.
- the blanks 10a (respectively 10b) are progressively deformed by the meeting of the matrices 231 (respectively 232) which succeed one another. When the last station is reached, the housings are ejected from their base, possibly grouped, and transported to packing stations or completion.
- the coniferous thus makes it possible to work on a flow of housings double of that of the coniferous or preconceived classics. This results in a machine whose capacity in speed of conification is doubled.
- the blanks 21 from the production line are put in place on the first base plate 220.
- the base plate 220 has 24 bases 121 evenly distributed around the circumference. They are deformed progressively by the meeting of matrices 231 which succeed one another.
- the blank 22 has a shape advantageously corresponding to a necking step located at the first quarter of the deformation path that is to be imposed.
- the blank is ejected from the base 221, turned over and placed on a base 241 of the second base plate 240. At this stage, it may have a shape such as that illustrated by the blank 23, where the open end has undergone expansion of its diameter, so that the transverse wall has in its middle an annular depression.
- the blank continues to be deformed progressively by the meeting of matrices 232 which succeed one another.
- the blank 24 has a shape advantageously corresponding to a new step of narrowing of the open end, a step located approximately at the last quarter of the deformation path that one wants to impose on this case.
- the boxes are ejected from their base 241 and transported to packing stations or completion.
- the outlet direction of the housings is the opposite of the exit direction of a conventional line, which allows to install the finishing equipment of the housings not at the end of line but "upstream" of the coniferous, slightly staggered, which allows to have a shorter production line.
- the invention is not limited to the embodiments of this machine, described above as an example, it encompasses all the variants.
- the column 215 could have a non-circular section.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0701020A FR2912332B1 (fr) | 2007-02-13 | 2007-02-13 | Machine compacte de conification des boitiers metalliques pour distributeurs aerosols et aquivalents |
PCT/FR2008/000095 WO2008110679A1 (fr) | 2007-02-13 | 2008-01-28 | Machine compacte de conification des boitiers metalliques pour distributeurs aerosols et equivalents |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2125265A1 true EP2125265A1 (de) | 2009-12-02 |
EP2125265B1 EP2125265B1 (de) | 2010-09-01 |
Family
ID=38480526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08761807A Not-in-force EP2125265B1 (de) | 2007-02-13 | 2008-01-28 | Maschine zur verjüngung kompakter metalldosen für aerosolspender und ähnliches |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2125265B1 (de) |
AT (1) | ATE479510T1 (de) |
DE (1) | DE602008002415D1 (de) |
FR (1) | FR2912332B1 (de) |
WO (1) | WO2008110679A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7726165B2 (en) | 2006-05-16 | 2010-06-01 | Alcoa Inc. | Manufacturing process to produce a necked container |
US7934410B2 (en) | 2006-06-26 | 2011-05-03 | Alcoa Inc. | Expanding die and method of shaping containers |
EP2605873B1 (de) | 2010-08-20 | 2021-04-14 | Alcoa USA Corp. | Geformter metallbehälter und verfahren zu seiner herstellung |
US9327338B2 (en) | 2012-12-20 | 2016-05-03 | Alcoa Inc. | Knockout for use while necking a metal container, die system for necking a metal container and method of necking a metal container |
WO2015110470A1 (en) * | 2014-01-22 | 2015-07-30 | Spl Soluzioni S.R.L. | Apparatus for machining metallic bodies |
EP3025804B1 (de) * | 2014-11-25 | 2018-06-27 | SPL Soluzioni S.r.l. | Vorrichtung zur bearbeitung metallischer körper |
CN108356154B (zh) * | 2018-05-23 | 2019-07-02 | 芜湖华铸汽车部件有限公司 | 一种全自动转动式汽车零部件冲压机 |
CN108637064B (zh) * | 2018-05-23 | 2019-10-18 | 李贞贞 | 一种多功能高效率汽车零部件冲压成型机 |
CN108526320B (zh) * | 2018-05-23 | 2019-11-22 | 宣城加特林机械有限公司 | 一种汽车零部件自动冲压控制系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3779290D1 (de) * | 1987-01-21 | 1992-06-25 | Frattini Costr Mecc | Maschine zum formen von konus und flansch an spruehdosen und dergleichen. |
AR027371A1 (es) * | 2000-02-10 | 2003-03-26 | Envases Uk Ltd | Deformacion de cuerpos de pared delgada |
EP1531017A1 (de) * | 2003-11-11 | 2005-05-18 | Envases metalurgicos de Alava, S.A. | Vorrichtung und Verfahren zum Umformen von Behältern |
-
2007
- 2007-02-13 FR FR0701020A patent/FR2912332B1/fr not_active Expired - Fee Related
-
2008
- 2008-01-28 DE DE602008002415T patent/DE602008002415D1/de active Active
- 2008-01-28 AT AT08761807T patent/ATE479510T1/de not_active IP Right Cessation
- 2008-01-28 EP EP08761807A patent/EP2125265B1/de not_active Not-in-force
- 2008-01-28 WO PCT/FR2008/000095 patent/WO2008110679A1/fr active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2008110679A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2008110679A1 (fr) | 2008-09-18 |
ATE479510T1 (de) | 2010-09-15 |
DE602008002415D1 (de) | 2010-10-14 |
FR2912332B1 (fr) | 2009-05-08 |
EP2125265B1 (de) | 2010-09-01 |
FR2912332A1 (fr) | 2008-08-15 |
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