EP2441534A1 - Device for handling a load, in particular a press tool - Google Patents
Device for handling a load, in particular a press tool Download PDFInfo
- Publication number
- EP2441534A1 EP2441534A1 EP11360046A EP11360046A EP2441534A1 EP 2441534 A1 EP2441534 A1 EP 2441534A1 EP 11360046 A EP11360046 A EP 11360046A EP 11360046 A EP11360046 A EP 11360046A EP 2441534 A1 EP2441534 A1 EP 2441534A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arm
- axis
- transmission
- wheels
- press
- 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.)
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Classifications
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
- B21D37/147—Tool exchange carts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/085—Accessories for handling work or tools handling of tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/028—Loading or unloading of dies, platens or press rams
Definitions
- the present invention relates to a device for handling a load, in particular a press tool, comprising a chassis carrying a push-pull mechanism controlled by an actuator and provided with coupling means intended to cooperate with complementary coupling means. provided on said press tool.
- Press tools used for cutting, stamping, etc. are usually brought to a press or press table by air by means of a traveling crane or the like.
- the press tools can then be handled by a ground handling machine to equip a press or deposited pending on one or more consoles tool holder adjacent to the press table.
- the tool consoles are mounted on rails on the ground to be movable in translation relative to the press table.
- Complex handling mechanisms are associated either to each tool carrier or to the press to perform the press tool change, which consists of removing the press tool from the press table and depositing it. a new press tool on hold.
- Some mechanisms require two handling units synchronized mechanically, electrically and / or hydraulically, one to push the press tool on the press table and the other to remove the press tool from the press table.
- Other mechanisms include a handling unit that performs both functions: push and pull, but must be arranged on the side of the press opposite the console. This provision has the disadvantage of condemning access to the press on both sides.
- the present invention aims to overcome these drawbacks by proposing a compact and versatile handling device, suitable both for new presses and for presses already in service, whatever their type, which can be fixed and integrated into a single press table.
- station fixed but retractable to equip a multi-station press table provided with several tool-holder consoles, or removable to equip a press table temporarily, this device being of simple design and economically very competitive, ensuring a precise trajectory of the press tool without additional guidance.
- the invention relates to a handling device of the kind indicated in the preamble, characterized in that said rickshaw mechanism comprises on the one hand at least one pair of arms extending in parallel planes, consisting of a rotary arm and a slave arm, assembled together by a hinge axis A3 for pivoting relative to each other in said parallel planes, the free end of the rotary arm being coupled to said actuator to be movable in rotation about an axis A1, and the free end of the slave arm being coupled to said coupling means to be movable about an axis A5, and secondly motion transmission means arranged to move said means coupling parallel to themselves by following a rectilinear path in a plane parallel to said planes and the plane intended to bring said press tool to move.
- said rickshaw mechanism comprises on the one hand at least one pair of arms extending in parallel planes, consisting of a rotary arm and a slave arm, assembled together by a hinge axis A3 for pivoting relative to each other in said parallel planes, the free end of the
- the motion transmission means comprise a third and a fourth transmission wheel superimposed and coaxial with the axis A3, the third wheel being integral with the rotary arm and the fourth wheel being integral with the slave arm, said third and fourth transmission wheels being identical and their size corresponds to half of said first and second transmission wheels.
- Each pair of transmission wheels associated with each arm is advantageously connected in rotation by a transmission member.
- the transmission member is a pinion mounted crazy satellite on each arm, said satellite sprockets being identical.
- the transmission member is a chain, said chains being identical.
- Said coupling means may comprise a bayonet type connection or any other suitable connection.
- the chassis may be stationary, or comprise raising / lowering means arranged to move said device between a retracted low position and an upper work position:
- the pull-mechanism may comprise at least two stages of cascade arm / slave arm arranged in cascade.
- the handling device 10 is arranged to be placed in front of a press or press table 2 in order to move a load such as a press tool 1.
- the press table 2 is a multi-station table, that is to say that it is associated with several tool holders 3 arranged to receive different press tools 1 on hold. They are slidably mounted on rails 4 on the ground along the press table 2 to be moved in translation in front of the press table 2 and proceed to the tool change.
- the handling device 10 is installed stationary in front of the press table 2 below the level of the consoles tool holder 3 and is associated with raising / lowering means 40 arranged to move it between a low retracted position (cf. Fig. 3A ) and an extended position (cf. Fig. 3B ).
- a low retracted position cf. Fig. 3A
- the handling device 1 In the low retracted position (cf. Fig. 3A ), the handling device 1 is at rest and allows the movement of the consoles 3 and / or the passage of the forks of a forklift depositing a press tool 1 on the tool carrier 3.
- the handling device 1 In the deployed position (cf. Fig. 3B ), the handling device 1 is at work and allows the handling of press tools 1.
- These raising / lowering means 40 may be constituted by any known elevation means, such as by pneumatic or hydraulic ram (s), motor electric coupled to a rack / pinion transmission, or the like, combined or not with vertical guide columns
- the handling device 10 can be installed in a fixed station and fixed height in front of a single-station press, that is powered by a single tool-holder console 3, or can constitute a mobile station temporarily installed in front of different presses according to the changes of press tools 1 to operate.
- This handling device 10 is arranged to extract by pulling a press tool 1 from the press table 2 (cf. Fig. 3C ) and deposit it on a free tool holder 3, then to take a new press tool 1 from a tool holder 3 and push it onto the press table 2.
- the device handling device 10 comprises a push-pull mechanism 20 carried by a frame 11 and controlled by an actuator 12 arranged to move the press tool 1 parallel to itself, in a plane and rectilinear path coincident with the plane of the table of
- the actuator 12 may be an electric motor type geared as illustrated, or any other actuator according to the available energy sources, such as a pneumatic cylinder or hydraulic, or the like.
- the pull mechanism 20 also comprises coupling means 15 associated with the push-pull mechanism 20 and arranged to cooperate with complementary coupling means 5 provided on the press tool 1.
- the coupling means 15 consist of a transverse beam carrying at its ends pins 16 arranged to fit by interlocking in notches 6 provided in tabs forming the coupling means 5 and arranged on the lateral faces of the tools press release 1 (cf. Fig. 3B ). Any other means of attachment may be suitable.
- a bayonet type coupling may be suitable if the handling device 10 is equipped with up / down means 40 in accordance with the Figures 3A-D since, in this case, the device is movable vertically and can rise above the coupling means 5 of the press tool 1 to hook and unhook its coupling means 15.
- the pull mechanism 20 as shown in detail on the figure 1 comprises a rotatable arm 21 and a slave arm 22 parallel, joined together by a hinge A3 represented by its axis of rotation, to pivot relative to each other in parallel planes, in the manner of a toggle joint.
- the pull mechanism 20 may comprise several stages of rotating arm / slave arm, arranged in cascade.
- the free end of the rotary arm 21 is integral with the drive shaft represented by the axis A1 of the actuator 12 mounted on the frame 11 and constituting the fixed point F in translation of the mechanism.
- the free end of the slave arm 22 is coupled to the coupling means 15 by a pusher 14 constituting the moving point M in translation of the mechanism represented by an axis A5. This pusher 14 allows the angular adjustment of the coupling means 15 relative to the press tool 1 to be moved and always remains perpendicular to the path of the moving point M.
- the rickshaw mechanism 20 further comprises motion transmission means extending between the drive shaft A1 of the actuator 12 and the moving point
- the motion transmission means comprise sprockets forming a first gear train and a second gear train, respectively associated with each of the arms 21, 22.
- the first gear train comprises a first fixed gear 23 whose axis is coincident with the axis A1, this pinion being secured to a flange 13 for fixing the actuator 12 to the frame 11. It comprises a second fixed gear 25 whose axis coincides with the axis A3, this pinion being secured to the slave arm 22.
- the two fixed gears 23, 25 are connected in rotation by a pinion 24 mounted crazy on the rotating arm 21 about an axis of rotation A2.
- the second gear comprises a first fixed gear 26 superimposed on the second fixed gear 25 along the axis A3, this pinion being integral with the rotary arm 21.
- the two fixed gears 26, 28 are rotatably connected by a planet pinion 27 mounted loosely on the slave arm 22 about an axis of rotation A4.
- the operating kinematics of the rickshaw mechanism 20 of the invention is represented step by step Figures 2A-L between its two extreme positions of extension according to the Figures 2A and 2L going through a median position of complete retraction according to the figure 2F .
- the mechanism is in a first extreme extension position enabling it to search for a press tool 1 as illustrated in FIG. figure 3C and extract it from the press table 2, and in the figure 2L , the mechanism is in the second extreme extension position allowing it to deposit the press tool 1 on a tool holder 3 or other receiving surface.
- FIGS. 2A-L clearly illustrate the operating kinematics of the pull mechanism 20 which ensures the displacement of the moving point M of the mechanism 20 parallel to itself on a straight path along a fixed line passing through the axes A1 and A5 without ever deviating from this trajectory and in the same plane parallel to the plane of the press table 2, and this without any additional guidance.
- the drive shaft of the actuator 12 rotates the rotating arm 21 about the axis A1 in the clockwise direction.
- the rotation of the arm 21 causes the arm 22 to move.
- the coaxial gears 25 and 26 at the articulation A3 of the arms 21 and 22 are respectively connected in rotation with the fixed gear 23 of axis A1 and the fixed pinion 28 of axis A5 by the planet gears 24 and 27, the moving point M of the slave arm 22 approaches the fixed point F of the rotary arm 21 in a rectilinear path passing through the axes A1 and A5, in accordance with FIGS. Figures 2B to 2E .
- the total travel traveled by the pusher 14 or the moving point M of the push-pull mechanism 20 is equal to four times the length of the center-to-center distance A1-A3 of the rotary arm 21.
- This kinematics also allows good control of the moving speed of the moving point M and good effort management, since at the beginning and at the end of the race (cf. Fig. 2A-B; 2J-K ) the speed of movement is slow and the pulling or pushing force is maximum, and in the middle of the stroke (cf. Fig. 2C-E; 2G-I ) the speed of movement is faster and the pulling or pushing force is less.
- the figure 4 illustrates an alternative embodiment of the pull mechanism of the handling device 100 according to the invention wherein the transmission means of the mechanism push-pull 200 consist of toothed wheels and chains or notched wheels and notched belts. It comprises an actuator 120 mounted on a frame 110 and two arms (not shown) similar to the rotary arm 21 and the slave arm 22 of the previous example, connected in rotation by an articulation axis A3.
- the transmission means comprise two fixed gears 230 and 280 respectively integral with the drive shaft of the actuator 120 along the axis A1 and the pusher 140 along the axis A5.
- the link A3 carries two fixed gears 250 and 260 superimposed whose diameter is less than half that of the gears 230 and 280 to maintain a ratio of 1 ⁇ 2 between the gears 230 and 250, and a ratio of 2 between the wheels 260 and 280.
- Each pair of gear wheels is connected in rotation by a chain 240 and 270 of the same length.
- the definition of the different gears is equivalent to that of the previous example.
- the operation of this rickshaw mechanism is similar to the previous one, with the exception that transmission by gear trains guarantees better displacement accuracy.
- the handling device 10, 100 makes it possible to achieve all the goals set.
- the original kinematics of this device allows it by a simple axial thrust to ensure, even in case of resistance tending to misalign the press tool, the correct orientation and the correct positioning of the press tool.
- the mounting of this device is very easy since it is sufficient to fix it in front of the press table or between the new or existing tool holder consoles, unless it is proposed in a mobile version and movable by a handling machine or any other equivalent means.
- a simple electrical box will control the start and stop of the device, this housing can be fixed on the device or remote and provided with a wired or wireless link.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
La présente invention concerne un dispositif de manutention d'une charge notamment d'un outil de presse, comportant un châssis portant un mécanisme tire-pousse commandé par un actionneur et pourvu de moyens d'attelage destinés à coopérer avec des moyens d'attelage complémentaires prévus sur ledit outil de presse.The present invention relates to a device for handling a load, in particular a press tool, comprising a chassis carrying a push-pull mechanism controlled by an actuator and provided with coupling means intended to cooperate with complementary coupling means. provided on said press tool.
Les outils de presse utilisés pour la découpe, l'emboutissage, etc. sont habituellement amenés vers une presse ou table de presse par voie aérienne au moyen d'un pont roulant ou similaire. Les outils de presse peuvent être ensuite manutentionnés par un engin de manutention au sol pour équiper une presse ou déposés en attente sur une ou plusieurs consoles porte-outil adjacentes à la table de presse. Dans ce cas, les consoles porte-outil sont montées sur des rails au sol pour pouvoir être déplacées en translation par rapport à la table de presse. Des mécanismes de manutention complexes sont associés soit à chaque console porte-outil, soit à la presse, pour effectuer le changement d'outil de presse, qui consiste à retirer l'outil de presse en travail de la table de presse et à y déposer un nouvel outil de presse en attente. Certains mécanismes nécessitent deux unités de manutention synchronisées mécaniquement, électriquement et/ou hydrauliquement, l'une pour pousser l'outil de presse sur la table de presse et l'autre pour retirer l'outil de presse de la table de presse. D'autres mécanismes comportent une unité de manutention qui remplit les deux fonctions : pousser et tirer, mais qui doit être disposée du côté de la presse opposé à la console. Cette disposition a pour inconvénient de condamner l'accès à la presse des deux côtés.Press tools used for cutting, stamping, etc. are usually brought to a press or press table by air by means of a traveling crane or the like. The press tools can then be handled by a ground handling machine to equip a press or deposited pending on one or more consoles tool holder adjacent to the press table. In this case, the tool consoles are mounted on rails on the ground to be movable in translation relative to the press table. Complex handling mechanisms are associated either to each tool carrier or to the press to perform the press tool change, which consists of removing the press tool from the press table and depositing it. a new press tool on hold. Some mechanisms require two handling units synchronized mechanically, electrically and / or hydraulically, one to push the press tool on the press table and the other to remove the press tool from the press table. Other mechanisms include a handling unit that performs both functions: push and pull, but must be arranged on the side of the press opposite the console. This provision has the disadvantage of condemning access to the press on both sides.
La présente invention vise à pallier ces inconvénients en proposant un dispositif de manutention compact et polyvalent, convenant aussi bien pour des presses neuves que pour des presses déjà en service quel que soit leur type, pouvant être fixe et intégrer à une table de presse mono-station, fixe mais escamotable pour équiper une table de presse multi-station pourvue de plusieurs consoles porte-outil, ou amovible pour équiper une table de presse temporairement, ce dispositif étant de conception simple et économiquement très compétitif, garantissant une trajectoire précise de l'outil de presse sans guidage additionnel.The present invention aims to overcome these drawbacks by proposing a compact and versatile handling device, suitable both for new presses and for presses already in service, whatever their type, which can be fixed and integrated into a single press table. station, fixed but retractable to equip a multi-station press table provided with several tool-holder consoles, or removable to equip a press table temporarily, this device being of simple design and economically very competitive, ensuring a precise trajectory of the press tool without additional guidance.
Dans ce but, l'invention concerne un dispositif de manutention du genre indiqué en préambule, caractérisé en ce que ledit mécanisme tire-pousse comporte d'une part au moins un couple de bras s'étendant dans des plans parallèles, constitué d'un bras rotatif et d'un bras esclave, assemblés entre eux par une articulation d'axe A3 pour pivoter l'un par rapport à l'autre dans lesdits plans parallèles, l'extrémité libre du bras rotatif étant couplée audit actionneur pour être mobile en rotation autour d'un axe A1, et l'extrémité libre du bras esclave étant couplée auxdits moyens d'attelage pour être mobile autour d'un axe A5, et d'autre part des moyens de transmission de mouvement agencés pour déplacer lesdits moyens d'attelage parallèlement à eux-mêmes en suivant une trajectoire rectiligne dans un plan parallèle auxdits plans et au plan destiné à porter ledit outil de presse à déplacer.For this purpose, the invention relates to a handling device of the kind indicated in the preamble, characterized in that said rickshaw mechanism comprises on the one hand at least one pair of arms extending in parallel planes, consisting of a rotary arm and a slave arm, assembled together by a hinge axis A3 for pivoting relative to each other in said parallel planes, the free end of the rotary arm being coupled to said actuator to be movable in rotation about an axis A1, and the free end of the slave arm being coupled to said coupling means to be movable about an axis A5, and secondly motion transmission means arranged to move said means coupling parallel to themselves by following a rectilinear path in a plane parallel to said planes and the plane intended to bring said press tool to move.
De manière avantageuse, l'entraxe A1-A3 du bras rotatif et l'entraxe A3-A5 du bras esclave sont égaux. :
- Dans une forme de réalisation préférée de l'invention, les moyens de transmission comportent une première roue de transmission fixe solidaire du châssis, coaxiale à l'axe A1 et associée au bras rotatif, et une deuxième roue de transmission fixe solidaire des moyens d'attelage, coaxiale à l'axe A5 et associée au bras esclave, lesdites première et deuxième roues de transmission étant identiques.
- In a preferred embodiment of the invention, the transmission means comprise a first fixed transmission wheel secured to the chassis, coaxial with the axis A1 and associated with the rotary arm, and a second fixed transmission wheel secured to the coupling means, coaxial with the axis A5 and associated with the slave arm, said first and second transmission wheels being identical.
Dans la forme de réalisation préférée, les moyens de transmission de mouvement comportent une troisième et une quatrième roues de transmission superposées et coaxiales à l'axe A3, la troisième roues étant solidaire du bras rotatif et la quatrième roue étant solidaire du bras esclave, lesdites troisième et quatrième roues de transmission étant identiques et leur dimension correspond à la moitié desdites première et deuxième roues de transmission.In the preferred embodiment, the motion transmission means comprise a third and a fourth transmission wheel superimposed and coaxial with the axis A3, the third wheel being integral with the rotary arm and the fourth wheel being integral with the slave arm, said third and fourth transmission wheels being identical and their size corresponds to half of said first and second transmission wheels.
Chaque paire de roues de transmission associée à chaque bras est avantageusement liée en rotation par un organe de transmission.Each pair of transmission wheels associated with each arm is advantageously connected in rotation by a transmission member.
Dans la variante où les roues de transmission sont des pignons, l'organe de transmission est un pignon satellite monté fou sur chacun des bras, lesdits pignons satellite étant identiques.In the variant where the transmission wheels are sprockets, the transmission member is a pinion mounted crazy satellite on each arm, said satellite sprockets being identical.
Dans la variante où les roues de transmission sont des roues dentées, l'organe de transmission est une chaîne, lesdites chaînes étant identiques.In the variant where the transmission wheels are gear wheels, the transmission member is a chain, said chains being identical.
Lesdits moyens d'attelage peuvent comporter une liaison du type à baïonnette ou tout autre liaison adéquate.Said coupling means may comprise a bayonet type connection or any other suitable connection.
Selon les variantes de réalisation, le châssis peut être fixe, ou comporter des moyens de montée/descente agencés pour déplacer ledit dispositif entre une position basse escamotée et une position haute de travail:According to the alternative embodiments, the chassis may be stationary, or comprise raising / lowering means arranged to move said device between a retracted low position and an upper work position:
Selon les trajectoires à effectuer, le mécanisme tire-pousse peut comporter au moins deux étages de bras rotatif/bras esclave disposés en cascade.According to the trajectories to be carried out, the pull-mechanism may comprise at least two stages of cascade arm / slave arm arranged in cascade.
-
La présente invention et ses avantages apparaîtront mieux dans la description suivante de plusieurs modes de réalisation donnés à titre d'exemple non limitatif, en référence aux dessins annexés, dans lesquels:
- la
figure 1 est une vue en perspective d'un dispositif de manutention selon l'invention selon une première forme de réalisation, - les
figures 2A-L sont des vues de dessus en transparence du dispositif de lafigure 1 montrant la cinématique de fonctionnement de son mécanisme tire-pousse, - les
figures 3A-D sont des vues en situation du dispositif de lafigure 1 devant une table de presse dans ses différentes positions pour tirer une charge, ce dispositif étant escamotable entre deux consoles porte-outil, et - la
figure 4 est une vue en perspective d'un dispositif de manutention selon l'invention selon une seconde forme de réalisation.
- the
figure 1 is a perspective view of a handling device according to the invention according to a first embodiment, - the
Figures 2A-L are top views in transparency of the device of thefigure 1 showing the operating kinematics of its rickshaw mechanism, - the
Figures 3A-D are views in situation of the device of thefigure 1 in front of a press table in its different positions to pull a load, this device being retractable between two tool holders, and - the
figure 4 is a perspective view of a handling device according to the invention according to a second embodiment.
- la
En référence aux
Selon les applications visées et le type de presse concerné, le dispositif de manutention 10 peut être installé en poste fixe et à hauteur fixe devant une presse mono-station, c'est à dire alimentée par une seule console porte-outil 3, ou peut constituer un poste mobile installé temporairement devant différentes presses en fonction des changements d'outils de presse 1 à opérer.Depending on the applications concerned and the type of press concerned, the
Ce dispositif de manutention 10 est agencé pour extraire par traction un outil de presse 1 de la table de presse 2 (cf.
Le mécanisme tire-pousse 20 comporte également des moyens d'attelage 15 associés au mécanisme tire-pousse 20 et agencés pour coopérer avec des moyens d'attelage 5 complémentaires prévus sur l'outil de presse 1. Dans l'exemple illustré aux
Le mécanisme tire-pousse 20 tel que représenté en détail sur la
Le mécanisme tire-pousse 20 comporte en outre des moyens de transmission de mouvement s'étendant entre l'arbre moteur A1 de l'actionneur 12 et le point mobileThe
M et agencés pour déplacer ce point mobile M parallèlement à lui-même suivant une trajectoire rectiligne dans un plan parallèle au plan de la table de presse 2, sans guidage additionnel, comme expliqué en référence aux
Les moyens de transmission de mouvement comportent des pignons formant un premier train d'engrenage et un second train d'engrenage, associés respectivement à chacun des bras 21, 22. Le premier train d'engrenage comporte un premier pignon fixe 23 dont l'axe est confondu avec l'axe A1, ce pignon étant solidaire d'une bride 13 permettant la fixation de l'actionneur 12 au châssis 11. Il comporte un second pignon fixe 25 dont l'axe est confondu avec l'axe A3, ce pignon étant solidaire du bras esclave 22. Les deux pignons fixes 23, 25 sont liés en rotation par un pignon satellite 24 monté fou sur le bras rotatif 21 autour d'un axe de rotation A2. Le second train d'engrenage comporte un premier pignon fixe 26 superposé au second pignon fixe 25 selon l'axe A3, ce pignon étant solidaire du bras rotatif 21. Il comporte un second pignon fixe 28 dont l'axe est confondu avec l'axe A5, ce pignon étant solidaire du poussoir 14. Les deux pignons fixes 26, 28 sont liés en rotation par un pignon satellite 27 monté fou sur le bras esclave 22 autour d'un axe de rotation A4.The motion transmission means comprise sprockets forming a first gear train and a second gear train, respectively associated with each of the
Pour garantir une trajectoire rectiligne du point mobile M du mécanisme :
- les entraxes A1-A3 et A3-A5 respectivement du bras rotatif 21 et du bras esclave 22 sont identiques,
- les pignons fixes 23 et 28 respectivement d'axes A1 et A5 sont identiques,
- les pignons fixes 25 et 26 d'axe A3 sont identiques et comportent un nombre de dents inférieur de moitié par rapport aux pignons 23
et 28 pour avoir un rapport de ½ entre les pignons 23et 25 et un rapport de 2 entre les pignons 26et 28, et - les pignons
satellites 24 et 27 sont identiques et peuvent comporter un nombre de dents quelconque. On privilégiera des pignons 24, 27 de petits diamètres pour limiter l'encombrement du mécanisme, cet encombrement s'inscrivant dans la surface délimitée par chacun des 21, 22.bras
- the spacings A1-A3 and A3-A5 respectively of the
rotary arm 21 and theslave arm 22 are identical, - the fixed pinions 23 and 28 respectively axes A1 and A5 are identical,
- the fixed pinions 25 and 26 of axis A3 are identical and have a number of teeth less than half of the
23 and 28 to have a ratio of ½ between thepinions 23 and 25 and a ratio of 2 between thepinions 26 and 28, andpinions - the planet gears 24 and 27 are identical and may comprise any number of teeth. We will favor
24, 27 of small diameters to limit the size of the mechanism, this space forming part of the surface defined by each of thegears 21, 22.arms
La cinématique de fonctionnement du mécanisme tire-pousse 20 de l'invention est représentée étape par étape aux
En partant de la
Cette cinématique permet également une bonne maîtrise de la vitesse de déplacement du point mobile M et une bonne gestion des efforts, puisqu'en début et en fin de course (cf.
La
Le dispositif de manutention 10, 100 selon l'invention permet d'atteindre tous les buts fixés. La cinématique original de ce dispositif lui permet par une simple poussée axiale de garantir, même en cas de résistances tendant à désaxer l'outil de presse, la correcte orientation et le bon positionnement de l'outil de presse. Le montage de ce dispositif est très facile puisqu'il suffit de le fixer devant la table de presse ou entre les consoles porte-outil nouvelles ou existantes, à moins qu'il soit proposer dans une version mobile et déplaçable par un engin de manutention ou tout autre moyen équivalent. Un simple boîtier électrique permettra de commander la mise en marche et l'arrêt du dispositif, ce boîtier pouvant être fixe sur le dispositif ou distant et pourvu d'une liaison filaire ou sans fil.The handling
La présente invention n'est pas limitée aux exemples de réalisation décrits mais s'étend à toute modification et variante évidentes pour un homme du métier tout en restant dans l'étendue de la protection définie dans les revendications annexées.The present invention is not limited to the embodiments described but extends to any modification and variation obvious to a person skilled in the art while remaining within the scope of protection defined in the appended claims.
Claims (11)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1058483A FR2966070B1 (en) | 2010-10-18 | 2010-10-18 | DEVICE FOR HANDLING A LOAD IN PARTICULAR OF A PRESS TOOL |
Publications (1)
Publication Number | Publication Date |
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EP2441534A1 true EP2441534A1 (en) | 2012-04-18 |
Family
ID=44170237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11360046A Withdrawn EP2441534A1 (en) | 2010-10-18 | 2011-10-13 | Device for handling a load, in particular a press tool |
Country Status (2)
Country | Link |
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EP (1) | EP2441534A1 (en) |
FR (1) | FR2966070B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102937494A (en) * | 2012-11-01 | 2013-02-20 | 上海宝宜威机电有限公司 | Torque testing device for multi-station single reducer |
CN105689547A (en) * | 2016-02-18 | 2016-06-22 | 宁波大和铁芯有限公司 | Stamping die, assembly line and method for special-shaped iron cores of automobile igniters |
WO2019121260A1 (en) * | 2017-12-22 | 2019-06-27 | Hedin Lagan Ab | Sheet metal press system and method used in connection therewith |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3057800B1 (en) | 2016-10-24 | 2020-11-06 | Dimeco | DEVICE FOR HANDLING A LOAD, IN PARTICULAR A PRESS TOOL, PRESS EQUIPPED WITH SUCH A DEVICE AND CORRESPONDING HANDLING PROCEDURE |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3841141A (en) * | 1973-07-09 | 1974-10-15 | S Rachwal | Die changing apparatus |
EP1702746A1 (en) * | 2005-03-17 | 2006-09-20 | Hedin Lagan AB | Device for moving die tools and moulds in a press |
JP2007167919A (en) * | 2005-12-23 | 2007-07-05 | Goyu Kogyo Kk | Die fitting device |
-
2010
- 2010-10-18 FR FR1058483A patent/FR2966070B1/en not_active Expired - Fee Related
-
2011
- 2011-10-13 EP EP11360046A patent/EP2441534A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3841141A (en) * | 1973-07-09 | 1974-10-15 | S Rachwal | Die changing apparatus |
EP1702746A1 (en) * | 2005-03-17 | 2006-09-20 | Hedin Lagan AB | Device for moving die tools and moulds in a press |
JP2007167919A (en) * | 2005-12-23 | 2007-07-05 | Goyu Kogyo Kk | Die fitting device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102937494A (en) * | 2012-11-01 | 2013-02-20 | 上海宝宜威机电有限公司 | Torque testing device for multi-station single reducer |
CN105689547A (en) * | 2016-02-18 | 2016-06-22 | 宁波大和铁芯有限公司 | Stamping die, assembly line and method for special-shaped iron cores of automobile igniters |
WO2019121260A1 (en) * | 2017-12-22 | 2019-06-27 | Hedin Lagan Ab | Sheet metal press system and method used in connection therewith |
US11648601B2 (en) | 2017-12-22 | 2023-05-16 | Hedin Lagan Ab | Sheet metal press system and method used in connection therewith |
Also Published As
Publication number | Publication date |
---|---|
FR2966070A1 (en) | 2012-04-20 |
FR2966070B1 (en) | 2012-11-23 |
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