EP2344411A1 - Machine for opening the lid of a box and method for emptying the box - Google Patents

Machine for opening the lid of a box and method for emptying the box

Info

Publication number
EP2344411A1
EP2344411A1 EP09783965A EP09783965A EP2344411A1 EP 2344411 A1 EP2344411 A1 EP 2344411A1 EP 09783965 A EP09783965 A EP 09783965A EP 09783965 A EP09783965 A EP 09783965A EP 2344411 A1 EP2344411 A1 EP 2344411A1
Authority
EP
European Patent Office
Prior art keywords
box
lid
press
tool
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09783965A
Other languages
German (de)
French (fr)
Other versions
EP2344411B1 (en
Inventor
Patrice Duval
Jean-Jacques Marchal
Luc Collette
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orano Cycle SA
Original Assignee
Areva NC SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Areva NC SA filed Critical Areva NC SA
Publication of EP2344411A1 publication Critical patent/EP2344411A1/en
Application granted granted Critical
Publication of EP2344411B1 publication Critical patent/EP2344411B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/38—Power-operated cutting devices

Definitions

  • the present invention relates to a box lid opening machine and a box emptying method; it can be applied in particular to the treatment of nuclear fuel powders.
  • a box lid opening machine including a support of a box and a press comprising a movable tool body to the support and located in front of the support, the press comprising a tool for cutting the lid of the box, characterized in that the press comprises a member located opposite the cover, movable towards the cover relative to the press and able to detach the cover from the tool and push it back into the box.
  • the press is provided with a movable element relative to the tool for retaining the box, the movable assembly being biased towards the box by at least one spring and comprising a flat bearing surface of an upper edge of the box which surrounds the lid, characterized in that the moving element also comprises a conical guiding face of the box for centering.
  • the machine is provided with sensors for detecting the insertion of the tool into the box, the sensors are arranged on detection heads which are independently adjustable in the direction of movement of the press.
  • the fine position adjustment offered by this arrangement accurately gives the position of the tool and thus ensures the proper execution of the opening process.
  • FIG. 2 and FIG. 4 illustrate the invention, with a view to cutting and in perspective
  • FIG. 3 illustrates an equipment that is an appendix to the invention.
  • a box 1 may contain nuclear fuel powder is placed on a support. It comprises an upper lid 3 surrounded by a rim 4 rising a little above him.
  • the machine for opening the box 1 comprises a tool body 5 mounted on a frame 6 and movable relative to it in the vertical direction by a press 7; the tool body 5 is guided by the adjustment of a rib 9 which forms part thereof in a slide 8 constructed on the frame 6.
  • the tool body 5 comprises a plate 10 at a lower part, which carries a group of peripheral columns 11 directed downwards and at the lower end of which is screwed a guide ring 12.
  • a movable flange 13 slides on the peripheral columns 11 between the plate 10 and the guide ring 12.
  • a tool 14 whose active part is a ring gear 15 pointing downwards is surrounded by the guide ring 12 and the movable flange 13, and it is retained by the plate 10 by means of mounting screws 16.
  • Springs 17 are engaged around the peripheral columns 11 and bring the mobile flange 13 down. In the center of the device, under the tool 14, extends a piston 18 whose bottom carries a magnet 19.
  • the piston 18 is movable in a bore of the plate 10 lined with a bearing 20 to a lower position of stop; a spring 21 compressed between the bearing 20 and the magnet 19 returns the piston 18 to the lower position but does not prevent it being raised towards the plate 10. It also slides in a bore of the plate 10 a pin 22 extending to under the magnet 19 when a lower stop position is reached. Its upper end then remains below an induction sensor 23 mounted on the upper face of the plate 10. There is another pin 24, actuated by an electromagnet 25 mounted on the top of the tool body 5, also extending vertically, through the piston 18, but without however coming below the magnet 19 in the usual position.
  • the tool body 5 When the box 1 is placed on the support 2, the tool body 5 is lowered by the press 7.
  • the guide ring 12 engages the upper edge 4 of the box 1 by a chamfered inner face 26 stripped towards the bottom and center of the box 1 relative to the tool body 5.
  • the upper edge 4 finally hits a bottom face 26 of the movable flange 13 which holds the box 1 in place, and the rest of the movement descending the tool body 5 is accompanied by a compression of the springs 17, the flange 13 movable abutting against the upper edge 4, remaining at the same altitude while the rest of the tool body 5 continues to descend.
  • the ring gear 15 reaches the cover 3 and pierces it until it is cut.
  • the magnet 19 comes into contact with the cut-off cover 3 and grasps it.
  • the pin 22 is raised by the cover 3 until its upper end comes within range of the inductive sensor 23, so that the presence of a lid 3 attached to the magnet 19 is proven.
  • the machine described so far is improved by means of the invention.
  • the tool body is changed. It comprises, according to FIG. 2, in addition to the plate 10, the peripheral columns 11, the springs 17 and the tool 14, which are unchanged, a new guide ring 30, which is here movable between a lower abutment end, at the end of the peripheral columns 11, and the plate 10.
  • Its inner face comprises both a tapered chamfered face 32 downwardly, intended to center the upper edge 4 of the box 1, and a stop face 33 directed downwards that the upper edge 4 must reach in order to be retained in place.
  • the guide ring 30 is guided by rolling element bearings mounted on the peripheral columns 11 and sliding bearings 35.
  • the high-height guide face between the tool 14 and the mobile flange 13 is here removed, and a wide clearance extends between the tool 14 and the lower guide ring 30.
  • the tool body further comprises the movable piston 18 and the springs 21 which recall it downwards.
  • the magnet 19 is here absent and the piston 18 carries a lower collar 36 simple, without magnetic property.
  • an ejection pin 37 is shown which passes vertically through the plate 10 and the piston 18.
  • the operation of the device is as follows.
  • the box 1 is still placed on the support 2.
  • the press still similar to that of the previous machine down the tool body down.
  • the lower guide ring 30 centers the box 1 by its bevel face 32 and rises as soon as the lower edge 4 has reached the abutment face 33, but the tool 14 continues to descend and cuts the lid 3
  • the piston 18 also continues to descend and pushes the lid 3 cut towards the bottom of the box 1 despite the spring deflection 21.
  • the pin 37 protruding under the tool 14 and the piston 18 detaches the lid 3 if it ever had been retained.
  • the lid 3 remains in the box 1.
  • the emptying is carried out as indicated in connection with Figure 3.
  • a flange said lower flange 40 receives the box 1.
  • a flange 41 is placed on the upper edge 4 and s' extends around him by a flange 42; the remainder of the lower flange 40 is a latticework 43 of bars comprising a lug 51 extending beyond the flange 41.
  • the lug 51 has a peripheral position which allows it to tilt the lid 3 cut into lowering it to where it is.
  • the box 1 and the lower flange 40 are held pressed against one another by jaws 51 and 45 forming part of a turning machine which is not shown further.
  • the assembly can however tilt so that the lower flange 40 comes under the box 1.
  • the powder pushes the cover 3, which tilts when it touches the lug 51 and opens the box 1.
  • the inclination of the lid 3 allows the powder contained in the box 1 to flow without difficulty through the opening thus formed.
  • the lid is retained by
  • FIG. 4 Another aspect of the invention will be described by means of FIG. 4.
  • the presence of the box 1 under the press is detected by the depression of the lower guide ring 30.
  • This depression is measured by inductive sensors 46. , they are not mounted rigidly relative to the plate 10, but on adjustable heads 47 connected to fixed heads 48, screwed to the plate 10, by micrometer screws 49 which can independently adjust their level according to calibrations. Compressed springs 50 between the heads 47 and 48 maintain their spacing at the setting value. Safer detection can thus be obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
  • Automatic Assembly (AREA)

Abstract

This  machine for opening a box comprises a lower ring (30) for guiding and centring the top of the box, which is of unitary structure, comprising both a bevelled centring face (32) and an upper limit face (33). A plunger (18) located inside the tool (14, 15) for cutting the lid of the box is pushed down by a spring (21) which extends down far enough to detach the cut lid from the tool (15). The lid remains in the box during the operations of inverting and emptying the contents.

Description

MACHINE D'OUVERTURE DE COUVERCLE DE BOITE ET PROCEDE DEBOX COVER OPENING MACHINE AND METHOD OF
VIDAGE DE BOITEEMPTYING BOX
DESCRIPTIONDESCRIPTION
L'invention présente concerne une machine d'ouverture du couvercle de boîte ainsi qu'un procédé de vidage de boîte ; elle peut s'appliquer en particulier au traitement de poudres de combustible nucléaire.The present invention relates to a box lid opening machine and a box emptying method; it can be applied in particular to the treatment of nuclear fuel powders.
Elle constitue un perfectionnement de la demande de brevet français publiée sous le numéro 2 845 371 et dans laquelle la boîte était ouverte, après avoir été posée sur un support, par la descente d'une couronne circulaire dentée qui détachait le couvercle du reste de la boîte.It constitutes an improvement of the French patent application published under the number 2 845 371 and in which the box was opened, after being placed on a support, by the descent of a circular toothed ring which detached the lid from the rest of the box.
Ce procédé était sujet à des inconvénients. Le couvercle détaché restait solidaire de la machine pendant le processus de vidage de la boîte et imposait donc une immobilisation de la machine d'ouverture pendant ce temps. De nombreuses boîtes restaient coincées sur la machine en raison de tolérances importantes qu'on doit accepter à leur fabrication ou de déformations provenant des chocs auxquels elles sont soumises. Enfin, il subsiste des incertitudes sur l'ouverture effective de la boîte.This process was subject to disadvantages. The detached cover remained attached to the machine during the emptying process of the box and therefore required an immobilization of the opening machine during this time. Many boxes were stuck on the machine due to significant tolerances that must be accepted in their manufacture or deformations from shocks to which they are subjected. Finally, there are still uncertainties about the effective opening of the box.
Ces inconvénients disparaissent dans l'invention, qui concerne sous sa forme la plus générale une machine d'ouverture de couvercle de boîte comprenant notamment un support d'une boîte et une presse comprenant un corps d'outil mobile vers le support et situé face au support, la presse comprenant un outil de découpe du couvercle de la boîte, caractérisée en ce que la presse comprend un organe situé face au couvercle, mobile vers le couvercle par rapport à la presse et apte à détacher le couvercle de l'outil et à le refouler dans la boîte. Cette mesure permet d'éliminer le premier inconvénient mentionné en garantissant que le couvercle est tout de suite détaché de la machine après avoir été découpé et accompagne le reste de la boîte pendant la suite du procédé : la machine peut ouvrir une autre boîte pendant ce temps, sans être immobilisée.These disadvantages disappear in the invention, which concerns in its most general form a box lid opening machine including a support of a box and a press comprising a movable tool body to the support and located in front of the support, the press comprising a tool for cutting the lid of the box, characterized in that the press comprises a member located opposite the cover, movable towards the cover relative to the press and able to detach the cover from the tool and push it back into the box. This measure eliminates the first disadvantage mentioned by ensuring that the lid is immediately detached from the machine after being cut and accompanies the rest of the box during the rest of the process: the machine can open another box during this time , without being immobilized.
Selon un autre mode de réalisation, la presse est munie d'un équipage mobile par rapport à l'outil pour retenir la boîte, l'équipage mobile étant rappelé vers la boîte par au moins un ressort et comprenant une face plane d'appui d'un bord supérieur de la boîte qui entoure le couvercle, caractérisée en ce que l'équipage mobile comprend aussi une face conique de guidage de la boîte pour un centrage. On a constaté que ces dispositions réduisaient beaucoup les risques de coincement des boîtes dans la machine.According to another embodiment, the press is provided with a movable element relative to the tool for retaining the box, the movable assembly being biased towards the box by at least one spring and comprising a flat bearing surface of an upper edge of the box which surrounds the lid, characterized in that the moving element also comprises a conical guiding face of the box for centering. It has been found that these provisions greatly reduce the risk of jamming the boxes in the machine.
Selon un autre mode de réalisation, la machine est munie de capteurs de détection d'enfoncement de l'outil dans la boîte, les capteurs sont disposés sur des têtes de détection réglables indépendamment dans la direction de mobilité de la presse. Le réglage fin de position offert par cet agencement donne avec exactitude la position de l'outil et assure donc la bonne exécution du procédé d' ouverture . L'invention sera maintenant décrite en liaison aux figures, dont : la figure 1 illustre une machine antérieure, ressemblant à celle qui est décrite dans le brevet mentionné plus haut,According to another embodiment, the machine is provided with sensors for detecting the insertion of the tool into the box, the sensors are arranged on detection heads which are independently adjustable in the direction of movement of the press. The fine position adjustment offered by this arrangement accurately gives the position of the tool and thus ensures the proper execution of the opening process. The invention will now be described with reference to the figures, of which: FIG. 1 illustrates an earlier machine, resembling that described in the patent mentioned above,
- la figure 2 et la figure 4 illustrent l'invention, en vue de coupe et en perspective,FIG. 2 and FIG. 4 illustrate the invention, with a view to cutting and in perspective,
- et la figure 3 illustre un équipement annexe à l'invention. On commence par décrire l'équipement antérieur, qui ressemble à celui du brevet français mentionné plus haut et auquel on se référera si nécessaire pour plus de détails sur le fonctionnement, certains aspects généraux et certains équipements, distincts de l'invention, de la machine. Une boîte 1 pouvant contenir de la poudre de combustible nucléaire est posée sur un support. Elle comprend un couvercle 3 supérieur entouré par un rebord 4 s 'élevant un peu au- dessus de lui. La machine d'ouverture de la boîte 1 comprend un corps d'outil 5 monté sur un bâti 6 et mobile par rapport à lui en direction verticale par une presse 7 ; le corps d'outil 5 est guidé par l'ajustement d'une nervure 9 qui en fait partie dans une glissière 8 construite sur le bâti 6. Le corps d'outil 5 comprend une platine 10 à une partie inférieure, qui porte un groupe de colonnes 11 périphériques dirigées vers le bas et à l'extrémité inférieure desquelles est vissée une couronne de guidage 12. Un flasque mobile 13 coulisse sur les colonnes périphériques 11 entre la platine 10 et la couronne de guidage 12. Un outil 14 dont la partie active est une couronne dentée 15 pointant vers le bas est entouré par la couronne de guidage 12 et le flasque mobile 13, et il est retenu par la platine 10 au moyen de vis de montage 16. Des ressorts 17 sont engagés autour des colonnes périphériques 11 et ramènent le flasque mobile 13 vers le bas. Au centre du dispositif, sous l'outil 14, s'étend un piston 18 dont le bas porte un aimant 19. Le piston 18 est mobile dans un alésage de la platine 10 garni d'un palier 20 jusqu'à une position inférieure de butée ; un ressort 21 comprimé entre le palier 20 et l'aimant 19 ramène le piston 18 à la position inférieure mais ne s'oppose pas à ce qu'il soit levé vers la platine 10. Il coulisse aussi dans un alésage de la platine 10 une broche 22 s 'étendant jusque sous l'aimant 19 quand une position de butée inférieure est atteinte. Son extrémité supérieure reste alors au-dessous d'un capteur à induction 23 monté à la face supérieure de la platine 10. Il existe une autre broche 24, actionnée par un électro-aimant 25 monté sur le sommet du corps d'outil 5, s 'étendant aussi en direction verticale, à travers le piston 18, mais sans toutefois venir au-dessous de l'aimant 19 dans la position usuelle.and FIG. 3 illustrates an equipment that is an appendix to the invention. We begin by describing the previous equipment, which is similar to that of the French patent mentioned above and to which reference will be made if necessary for more details on the operation, certain general aspects and certain equipment, distinct from the invention, of the machine. . A box 1 may contain nuclear fuel powder is placed on a support. It comprises an upper lid 3 surrounded by a rim 4 rising a little above him. The machine for opening the box 1 comprises a tool body 5 mounted on a frame 6 and movable relative to it in the vertical direction by a press 7; the tool body 5 is guided by the adjustment of a rib 9 which forms part thereof in a slide 8 constructed on the frame 6. The tool body 5 comprises a plate 10 at a lower part, which carries a group of peripheral columns 11 directed downwards and at the lower end of which is screwed a guide ring 12. A movable flange 13 slides on the peripheral columns 11 between the plate 10 and the guide ring 12. A tool 14 whose active part is a ring gear 15 pointing downwards is surrounded by the guide ring 12 and the movable flange 13, and it is retained by the plate 10 by means of mounting screws 16. Springs 17 are engaged around the peripheral columns 11 and bring the mobile flange 13 down. In the center of the device, under the tool 14, extends a piston 18 whose bottom carries a magnet 19. The piston 18 is movable in a bore of the plate 10 lined with a bearing 20 to a lower position of stop; a spring 21 compressed between the bearing 20 and the magnet 19 returns the piston 18 to the lower position but does not prevent it being raised towards the plate 10. It also slides in a bore of the plate 10 a pin 22 extending to under the magnet 19 when a lower stop position is reached. Its upper end then remains below an induction sensor 23 mounted on the upper face of the plate 10. There is another pin 24, actuated by an electromagnet 25 mounted on the top of the tool body 5, also extending vertically, through the piston 18, but without however coming below the magnet 19 in the usual position.
Quand la boîte 1 est posée sur le support 2, le corps d'outil 5 est descendu par la presse 7. La couronne de guidage 12 s'engage sur le bord supérieur 4 de la boîte 1 par une face interne chanfreinée 26 en dépouille vers le bas et centre la boîte 1 par rapport au corps d'outil 5. Le bord supérieur 4 heurte finalement une face de fond 26 du flasque mobile 13 qui maintient la boîte 1 en place, et la suite du mouvement descendant du corps d'outil 5 s'accompagne d'une compression des ressorts 17, le flasque 13, mobile en butée contre le bord supérieur 4, restant à la même altitude alors que le reste du corps 5 d'outil continue de descendre. La couronne dentée 15 atteint le couvercle 3 et le perce jusqu'à le découper. L'aimant 19 vient au contact du couvercle 3 découpé et le saisit. La broche 22 est remontée par le couvercle 3 jusqu'à ce que son extrémité supérieure vienne à portée du capteur inductif 23, de sorte que la présence d'un couvercle 3 attaché à l'aimant 19 est avérée.When the box 1 is placed on the support 2, the tool body 5 is lowered by the press 7. The guide ring 12 engages the upper edge 4 of the box 1 by a chamfered inner face 26 stripped towards the bottom and center of the box 1 relative to the tool body 5. The upper edge 4 finally hits a bottom face 26 of the movable flange 13 which holds the box 1 in place, and the rest of the movement descending the tool body 5 is accompanied by a compression of the springs 17, the flange 13 movable abutting against the upper edge 4, remaining at the same altitude while the rest of the tool body 5 continues to descend. The ring gear 15 reaches the cover 3 and pierces it until it is cut. The magnet 19 comes into contact with the cut-off cover 3 and grasps it. The pin 22 is raised by the cover 3 until its upper end comes within range of the inductive sensor 23, so that the presence of a lid 3 attached to the magnet 19 is proven.
Il suffit de relever le corps d'outil 5 pour dégager le couvercle 3 du reste de la boîte 1, qui est alors ouverte. La boîte 1 est alors transférée à une installation de retournement afin que son contenu s'écoule. Elle revient ensuite ici pour que, l' électro¬ aimant 25 étant mis en marche, la broche 24 descende et détache le couvercle 3 de l'aimant 19 : le couvercle 3 retombe dans la boîte 1, qui est alors retirée. Ce retour de la boîte 1 pour récupérer le couvercle 3 prend inutilement du temps. La boîte 1 peut aussi facilement se coincer dans la couronne de guidage 12 à cause des tolérances larges avec lesquelles elle est fabriquée. Le coulissement du flasque mobile 13 autour de l'outil 14 n'est pas heureux et peut s'accompagner aussi de grippages.It is sufficient to raise the tool body 5 to disengage the cover 3 from the rest of the box 1, which is then open. The box 1 is then transferred to a turnaround facility so that its contents flow. It then returns here for that, the electro ¬ magnet 25 being turned on, the spindle 24 down and detaches the lid 3 of the magnet 19: the cover 3 is dropped in the box 1, which is then withdrawn. This return of the box 1 to recover the cover 3 takes time unnecessarily. The box 1 can also easily become jammed in the guide ring 12 because of the wide tolerances with which it is manufactured. The sliding of the mobile flange 13 around the tool 14 is not happy and can also be accompanied by seizures.
La machine décrite jusqu'ici est perfectionnée au moyen de l'invention. Le corps d'outil est modifié. Il comprend, d'après la figure 2, outre la platine 10, les colonnes périphériques 11, les ressorts 17 et l'outil 14, qui sont inchangés, une nouvelle couronne de guidage 30, qui est ici mobile entre une extrémité de butée inférieure, au bout des colonnes périphériques 11, et la platine 10. Sa face interne comprend à la fois une face conique chanfreinée 32 en dépouille vers le bas, destinée à centrer le bord supérieur 4 de la boîte 1, et une face de butée 33 dirigée vers le bas que le bord supérieur 4 doit atteindre afin d'être retenu en place. La couronne de guidage 30 est guidée par des paliers à éléments roulants montés sur les colonnes périphériques 11 et des paliers lisses 35. La face de guidage de grande hauteur entre l'outil 14 et le flasque mobile 13 est ici supprimée, et un jeu large s'étend entre l'outil 14 et la couronne inférieure de guidage 30. Le corps d'outil comprend encore le piston mobile 18 et les ressorts 21 qui le rappellent vers le bas. Toutefois, l'aimant 19 est ici absent et le piston 18 porte une collerette inférieure 36 simple, sans propriété magnétique. On a enfin représenté une broche d'éjection 37 qui traverse verticalement la platine 10 et le piston 18.The machine described so far is improved by means of the invention. The tool body is changed. It comprises, according to FIG. 2, in addition to the plate 10, the peripheral columns 11, the springs 17 and the tool 14, which are unchanged, a new guide ring 30, which is here movable between a lower abutment end, at the end of the peripheral columns 11, and the plate 10. Its inner face comprises both a tapered chamfered face 32 downwardly, intended to center the upper edge 4 of the box 1, and a stop face 33 directed downwards that the upper edge 4 must reach in order to be retained in place. The guide ring 30 is guided by rolling element bearings mounted on the peripheral columns 11 and sliding bearings 35. The high-height guide face between the tool 14 and the mobile flange 13 is here removed, and a wide clearance extends between the tool 14 and the lower guide ring 30. The tool body further comprises the movable piston 18 and the springs 21 which recall it downwards. However, the magnet 19 is here absent and the piston 18 carries a lower collar 36 simple, without magnetic property. Finally, an ejection pin 37 is shown which passes vertically through the plate 10 and the piston 18.
Le fonctionnement du dispositif est le suivant. La boîte 1 est encore placée sur le support 2. La presse encore semblable celle de la machine antérieure descend le corps d'outil vers le bas. La couronne inférieure de guidage 30 exerce le centrage de la boîte 1 par sa face de chanfrein 32 et s'élève dès que le bord inférieur 4 a atteint la face de butée 33, mais l'outil 14 continue à descendre et découpe le couvercle 3. Le piston 18 continue aussi à descendre et repousse le couvercle 3 découpé vers le fond de la boite 1 malgré la flèche du ressort 21. Quand le corps d'outil est relevé, il revient à la position de la figure 2, et la broche 37 saillant sous l'outil 14 et le piston 18 en détache le couvercle 3 si jamais il avait été retenu.The operation of the device is as follows. The box 1 is still placed on the support 2. The press still similar to that of the previous machine down the tool body down. The lower guide ring 30 centers the box 1 by its bevel face 32 and rises as soon as the lower edge 4 has reached the abutment face 33, but the tool 14 continues to descend and cuts the lid 3 The piston 18 also continues to descend and pushes the lid 3 cut towards the bottom of the box 1 despite the spring deflection 21. When the tool body is raised, it returns to the position of Figure 2, and the pin 37 protruding under the tool 14 and the piston 18 detaches the lid 3 if it ever had been retained.
Le couvercle 3 reste donc dans la boîte 1. Le vidage s'effectue de la façon indiquée en liaison à la figure 3. Une bride dite bride inférieure 40 reçoit la boîte 1. Un rebord 41 est posé sur le bord supérieur 4 et s'étend autour de lui par une collerette 42; le reste de la bride inférieure 40 est un réseau à claire- voie 43 de barres comprenant un ergot 51 s 'étendant au- delà du rebord 41. L'ergot 51 a une position périphérique qui lui permet d'incliner le couvercle 3 découpé en l'abaissant à l'endroit où il se trouve. La boîte 1 et la bride inférieure 40 sont maintenues pressées l'une sur l'autre par des mâchoires 51 et 45 faisant partie d'une machine de retournement qui n'est pas représentée davantage. L'ensemble peut cependant basculer de façon que la bride inférieure 40 vienne sous la boîte 1. La poudre repousse le couvercle 3, qui s'incline quand il touche l'ergot 51 et ouvre largement la boîte 1. L'inclinaison du couvercle 3 permet à la poudre contenue dans la boîte 1 de s'écouler sans difficulté par l'ouverture ainsi formée. Le couvercle est retenu par le réseau à claire-voie 43.The lid 3 remains in the box 1. The emptying is carried out as indicated in connection with Figure 3. A flange said lower flange 40 receives the box 1. A flange 41 is placed on the upper edge 4 and s' extends around him by a flange 42; the remainder of the lower flange 40 is a latticework 43 of bars comprising a lug 51 extending beyond the flange 41. The lug 51 has a peripheral position which allows it to tilt the lid 3 cut into lowering it to where it is. The box 1 and the lower flange 40 are held pressed against one another by jaws 51 and 45 forming part of a turning machine which is not shown further. The assembly can however tilt so that the lower flange 40 comes under the box 1. The powder pushes the cover 3, which tilts when it touches the lug 51 and opens the box 1. The inclination of the lid 3 allows the powder contained in the box 1 to flow without difficulty through the opening thus formed. The lid is retained by the lattice 43.
Un autre aspect de l'invention sera décrit au moyen de la figure 4. La présence de la boîte 1 sous la presse est détectée par l'enfoncement de la couronne de guidage inférieure 30. Cet enfoncement est mesuré par des capteurs inductifs 46. Ici, ils ne sont pas montés rigidement par rapport à la platine 10, mais sur des têtes réglables 47 reliées à des têtes fixes 48, vissées à la platine 10, par des vis micrométriques 49 qui permettent de régler indépendamment leur niveau d'après des étalonnages. Des ressorts 50 comprimés entre les têtes 47 et 48 maintiennent leur écartement à la valeur de réglage. Une détection plus sûre peut ainsi être obtenue. Another aspect of the invention will be described by means of FIG. 4. The presence of the box 1 under the press is detected by the depression of the lower guide ring 30. This depression is measured by inductive sensors 46. , they are not mounted rigidly relative to the plate 10, but on adjustable heads 47 connected to fixed heads 48, screwed to the plate 10, by micrometer screws 49 which can independently adjust their level according to calibrations. Compressed springs 50 between the heads 47 and 48 maintain their spacing at the setting value. Safer detection can thus be obtained.

Claims

REVENDICATIONS
1) Machine d'ouverture de couvercle de boîte (1) comprenant notamment un support d'une boîte et une presse (7) mobile vers le support et située face au support, la presse comprenant un outil (14) de découpe du couvercle (3) de la boîte, caractérisée en ce que la presse comprend un organe situé face au couvercle, mobile vers le couvercle par rapport à la presse et apte à détacher le couvercle de l'outil et à le refouler dans la boîte.1) box cover opening machine (1) including in particular a support of a box and a press (7) movable towards the support and located opposite the support, the press comprising a tool (14) for cutting the cover ( 3) of the box, characterized in that the press comprises a member located opposite the cover, movable towards the cover relative to the press and able to detach the cover of the tool and to push it back into the box.
2) Machine d'ouverture de couvercle de boîtes selon la revendication 1, caractérisée en ce que l'organe consiste en un piston (18) coulissant dans la presse (7) et rappelé vers le couvercle (3) par un ressort (21) .2) box lid opening machine according to claim 1, characterized in that the member consists of a piston (18) sliding in the press (7) and biased towards the lid (3) by a spring (21) .
3) Machine d'ouverture de couvercle de boîte selon la revendication 1 ou 2, où la presse est munie d'un équipage mobile par rapport à l'outil pour retenir la boîte, l'équipage mobile (30) étant rappelé vers la boîte par au moins un ressort (17) et comprenant une face plane (33) d'appui d'un bord supérieur (4) de la boîte qui entoure le couvercle, caractérisée en ce que l'équipage mobile comprend aussi une face conique (32) de guidage de la boîte pour un centrage .3) box lid opening machine according to claim 1 or 2, wherein the press is provided with a movable element relative to the tool for retaining the box, the moving element (30) being recalled to the box by at least one spring (17) and comprising a flat face (33) for supporting an upper edge (4) of the box which surrounds the lid, characterized in that the moving element also comprises a conical face (32 ) for guiding the box for centering.
4) Machine d'ouverture de couvercle de boîte selon l'une quelconque des revendications 1 à 3, comprenant des capteurs (46) de détection d'enfoncement de l'outil dans la boîte, caractérisée en ce que les capteurs sont disposés sur des têtes réglables (47) indépendamment dans la direction de mobilité de la presse.4) Box lid opening machine according to any one of claims 1 to 3, comprising sensors (46) for detecting insertion of the tool into the box, characterized in that the sensors are arranged on adjustable heads (47) independently in the direction of movement of the press.
5) Procédé de vidage de boîte, caractérisé en ce qu'il consiste à ouvrir la boîte par une machine conforme à l'une quelconque des revendications précédentes de façon à découper un couvercle de la boîte et à refouler le couvercle dans la boîte, puis à retourner la boîte sur une bride (40) munie d'un ergot (44) dirigée vers le haut de façon que la boîte entre dans la bride et que l'ergot repousse le couvercle (3) dans la boîte (1) avec une inclinaison par rapport à la boîte. 5) Box emptying process, characterized in that it consists in opening the box by a machine according to any one of the preceding claims so as to cut a lid of the box and push the lid into the box, then to turn the box on a flange (40) provided with a lug (44) directed upwards so that the box enters the flange and that the lug pushes the lid (3) in the box (1) with a tilt relative to the box.
EP09783965.8A 2008-10-15 2009-10-13 Machine for opening the lid of a box and method for emptying the box Active EP2344411B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0857003A FR2937027B1 (en) 2008-10-15 2008-10-15 BOX COVER OPENING MACHINE AND BOX EMPTYING METHOD
PCT/EP2009/063313 WO2010043600A1 (en) 2008-10-15 2009-10-13 Machine for opening the lid of a box and method for emptying the box

Publications (2)

Publication Number Publication Date
EP2344411A1 true EP2344411A1 (en) 2011-07-20
EP2344411B1 EP2344411B1 (en) 2016-04-06

Family

ID=40675149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09783965.8A Active EP2344411B1 (en) 2008-10-15 2009-10-13 Machine for opening the lid of a box and method for emptying the box

Country Status (8)

Country Link
US (1) US20110232111A1 (en)
EP (1) EP2344411B1 (en)
JP (1) JP5490810B2 (en)
CN (1) CN102177084A (en)
FR (1) FR2937027B1 (en)
RU (1) RU2503612C2 (en)
WO (1) WO2010043600A1 (en)
ZA (1) ZA201101164B (en)

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Publication number Priority date Publication date Assignee Title
FR2984790B1 (en) 2011-12-22 2014-02-21 Areva Nc DEVICE FOR HANDLING OBJECTS IN GLOVE BOXES
FR2990933B1 (en) 2012-05-22 2014-07-04 Areva Nc INDEXED STORAGE DEVICE IN POSITION
CN104973549A (en) * 2014-04-09 2015-10-14 梁策初 Machine for safely opening can within one second
CN103964357A (en) * 2014-04-25 2014-08-06 徐存然 Multifunctional opener
US11186015B2 (en) * 2019-04-30 2021-11-30 Creative Green Designs Llc Pod processing device

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GB235711A (en) * 1924-06-13 1925-06-25 Gilbert Hallam Improvements in appliances for opening tins, and their like, in one operation
US2929138A (en) * 1958-03-03 1960-03-22 Hill David Earl Electrical can opener
JPS526678B2 (en) * 1971-12-21 1977-02-23
GB1344424A (en) * 1972-07-31 1974-01-23 Optrex Ltd Can opener and method of opening cans
JPS57122737U (en) * 1981-01-23 1982-07-30
JP3088955B2 (en) * 1996-07-11 2000-09-18 呉羽環境株式会社 Drum opener
CN2316306Y (en) * 1997-12-24 1999-04-28 骏华开发企业有限公司 Double-handle side-open type container opener
US6098293A (en) * 1998-07-23 2000-08-08 James H. Bronner Can opener with rotating bottom support
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GB2362367B (en) * 2000-05-19 2002-03-27 Shun So Can opener
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Also Published As

Publication number Publication date
JP2012505800A (en) 2012-03-08
US20110232111A1 (en) 2011-09-29
FR2937027B1 (en) 2010-12-03
CN102177084A (en) 2011-09-07
RU2011119419A (en) 2012-11-27
FR2937027A1 (en) 2010-04-16
ZA201101164B (en) 2011-10-26
WO2010043600A1 (en) 2010-04-22
EP2344411B1 (en) 2016-04-06
JP5490810B2 (en) 2014-05-14
RU2503612C2 (en) 2014-01-10

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