EP0559531A1 - Device for surfacing parallel to the bottom of the upper lip of an earthenware pot before firing, so that the pot can be industrially covered after firing - Google Patents

Device for surfacing parallel to the bottom of the upper lip of an earthenware pot before firing, so that the pot can be industrially covered after firing Download PDF

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Publication number
EP0559531A1
EP0559531A1 EP93400504A EP93400504A EP0559531A1 EP 0559531 A1 EP0559531 A1 EP 0559531A1 EP 93400504 A EP93400504 A EP 93400504A EP 93400504 A EP93400504 A EP 93400504A EP 0559531 A1 EP0559531 A1 EP 0559531A1
Authority
EP
European Patent Office
Prior art keywords
machine according
tunnel
conveyor
terrines
machining
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
EP93400504A
Other languages
German (de)
French (fr)
Other versions
EP0559531B1 (en
Inventor
Gérard Deshayes
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.)
Les Poteries Malicornaises SA
Original Assignee
Les Poteries Malicornaises SA
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Filing date
Publication date
Application filed by Les Poteries Malicornaises SA filed Critical Les Poteries Malicornaises SA
Publication of EP0559531A1 publication Critical patent/EP0559531A1/en
Application granted granted Critical
Publication of EP0559531B1 publication Critical patent/EP0559531B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0845—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means

Definitions

  • the present invention relates to a machine making it possible to surface - parallel to the bottom - the upper part of an earthenware dish before cooking, in order to allow it to receive after cooking an industrial lidding.
  • the withdrawal of the earth when drying is important causes tensions and causes deformations of up to several millimeters.
  • This invention overcomes this disadvantage and reduces the flatness to 0.2 - 0.4 mm maximum.
  • This invention can claim to provide the possibility of industrially sealing terracotta terrines.
  • An operator located at post B has terrines on trays A placed on a motorized conveyor F, these are maintained by suction cups and arrive in tunnel D.
  • the speed of the conveyor is regulated by a reduction motor which drives a toothed pulley E.
  • the terrines While advancing in the tunnel, the terrines undergo two successive machining operations 1 draft, 1 finishing, the machining operations are carried out by abrasion or by cutting tools rotating at very high speed; two grinding spindles with variable speed W W ensure the machining.
  • Conveyor F stops when a plate A comes to station B and does not start again until the operator orders.
  • the parts placed on the trays A are not at the machining stage.
  • the holes X X allow to connect a suction which will avoid dirt.
  • Z represents the suction cup which keeps the terrines or the dishes on a tray A.
  • R indicates a treated area which will fit into a slide Y the roller S allows the correct routing the correct centering of the product on the conveyor, the movable square axis K, makes it possible to fix the toothed belt, to maintain the plate and to establish the operating step.
  • MHI allow the maintenance and the adjustment of the spring N.
  • G cylinder shouldered and threaded at its ends allows to receive the suction cup Z and the air hose.
  • This figure shows us the location of parts V during the period when the operator loads and unloads at the work station, downtime, tools P are not in the machining period.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The invention relates to a machine making it possible to surface, parallel to the bottom, the upper part of an earthenware pot before firing so that the pot can receive an industrial closure after firing. The pots, held by suckers, are set down on trays A placed on a conveyor F motorised at a variable speed and arrive in a tunnel D. They undergo two successive machinings (one blanking, one finishing) carried out by abrasion or by cutting tools rotating at very high speed. Two variable speed grinding spindles WW' provide the machining. A suction system XX' inside the tunnel prevents soiling. <IMAGE>

Description

La présente invention concerne une machine permettant de surfacer - de façon parallèle au fond - la partie supérieure d'une terrine en terre avant cuisson, afin de lui permettre de recevoir après cuisson un operculage industrielThe present invention relates to a machine making it possible to surface - parallel to the bottom - the upper part of an earthenware dish before cooking, in order to allow it to receive after cooking an industrial lidding.

La partie supérieure des terrines est traditionnellement laissée à l'état brut de façonnage, le produit avant cuisson est très fragile son usinage n'est pas entrepris.The upper part of the terrines is traditionally left in the rough state of shaping, the product before cooking is very fragile its machining is not undertaken.

Le retrait de la terre en séchant est important, provoque des tensions et entraîne des déformations pouvant aller jusqu'à plusieurs milimètres.The withdrawal of the earth when drying is important, causes tensions and causes deformations of up to several millimeters.

Cette invention permet de remédier à cet inconvénient et de réduire la planéité à 0,2 - 0,4 mm maximum.This invention overcomes this disadvantage and reduces the flatness to 0.2 - 0.4 mm maximum.

Actuellement, l'operculage ne se pratique pas sur des terrines en terre, la déformation de celles-ci ne le permet pas.Currently, the sealing is not practiced on earthen terrines, the deformation of these does not allow it.

Cette invention peut prétendre apporter la possibilité d'operculer industriellement les terrines en terre cuite.This invention can claim to provide the possibility of industrially sealing terracotta terrines.

Figure 1 planche 1/4Figure 1 board 1/4

Un opérateur situé au poste B dispose des terrines sur des plateaux A placés sur un convoyeur motorisé F, celles-ci sont maintenues par des ventouses et arrivent dans le tunnel D.An operator located at post B has terrines on trays A placed on a motorized conveyor F, these are maintained by suction cups and arrive in tunnel D.

La vitesse du convoyeur est réglée par un moto réducteur qui entraîne une poulie crantée E.The speed of the conveyor is regulated by a reduction motor which drives a toothed pulley E.

Sur la courroie J sont fixés les plateaux A.On the belt J are fixed the plates A.

En avançant dans le tunnel les terrines subissent deux usinages successifs 1 ébauche, 1 finition, les usinages sont réalisés par abrasion ou par outils coupants tournant à très grande vitesse ; deux broches rectifieuses à vitesse variable W W'assurent les usinages.While advancing in the tunnel, the terrines undergo two successive machining operations 1 draft, 1 finishing, the machining operations are carried out by abrasion or by cutting tools rotating at very high speed; two grinding spindles with variable speed W W ensure the machining.

Les pièces ainsi transformées reviennent au poste B et sont retirées du convoyeur F. Le convoyeur F s'arrête quand un plateau A se présente au poste B et ne repart qu'après ordre de l'opérateur.The pieces thus transformed return to station B and are withdrawn from conveyor F. Conveyor F stops when a plate A comes to station B and does not start again until the operator orders.

Pendant la période de chargement et de déchargement période d'arrêt, les pièces disposées sur les plateaux A ne sont pas au stade d'usinage.During the loading and unloading period, the parts placed on the trays A are not at the machining stage.

Les trous X X' permettent de raccorder une aspiration qui évitera les salissures.The holes X X 'allow to connect a suction which will avoid dirt.

Figure 2 Planche 2/4Figure 2 Plate 2/4

Z représente la ventouse qui permet de maintenir les terrines ou les plats sur un plateau A.Z represents the suction cup which keeps the terrines or the dishes on a tray A.

R indique une zone traitée qui s'emboitera dans une glissière Y le galet S permet le bon cheminement le bon centrage du produit sur le convoyeur,l'axe carré K mobile, permet de fixer la courroie crantée, de maintenir le plateau et d'établir le pas de fonctionnement. M-H-I permettent le maintien et le réglage du ressort N. G cylindre épaulé et fileté à ses extrémités permet de recevoir la ventouse Z et le tuyau d'air.R indicates a treated area which will fit into a slide Y the roller S allows the correct routing the correct centering of the product on the conveyor, the movable square axis K, makes it possible to fix the toothed belt, to maintain the plate and to establish the operating step. MHI allow the maintenance and the adjustment of the spring N. G cylinder shouldered and threaded at its ends allows to receive the suction cup Z and the air hose.

Figure 3 Planche 3/4Figure 3 Plate 3/4

Cette figure détaille les rainures Q dans les poulies E moteur et C libre, qui permettent l'indexion des plateaux et le pas de fonctionnement.This figure details the grooves Q in the motor pulleys E and free C, which allow the indexing of the plates and the operating step.

Figure 4 Planche 4/4Figure 4 Plate 4/4

Cette figure nous précise l'emplacement des pièces V pendant la période où l'opérateur charge et décharge au poste de travail, temps d'arrêt, les outils P ne sont pas en période d'usinage.This figure shows us the location of parts V during the period when the operator loads and unloads at the work station, downtime, tools P are not in the machining period.

Claims (10)

1) Machine à surfacer aprés séchage et avant cuisson une serie de terrines placées sur un convoyeur assurant leur passage dans un tunnel de travail, deux broches d'usinage fixes équipent ce tunnel, ces deux broches munies d'outils coupants ou abrasifs permettent en un seul passage des terrines le surfaçage de celles-ci. 1) Facing machine after drying and before firing a series of terrines placed on a conveyor ensuring their passage in a working tunnel, two fixed machining spindles equip this tunnel, these two spindles provided with cutting or abrasive tools allow a only passage of the terrines the surfacing of these. 2) Machine selon la revendication 1 caractérisé par un convoyeur F comportant des plateaux A qui servent de support aux terrines, chaque plateau A est équipé d'une ventouse Z qui permet le bridage de la terrine sur le plateau A, la ventouse fonctionne par assemblage des pièces M H I N G Z. 2) Machine according to claim 1 characterized by a conveyor F comprising plates A which serve as support for the bowls, each plate A is equipped with a suction cup Z which allows the clamping of the bowl on the plate A, the suction cup operates by assembly MHING Z parts. 3) Machine selon la revendication 1 et 2 caractérisée par un convoyeur F équipé de plateaux 1, convoyeur motorisé par poulies crantées C - E comportant des rainures Q qui établissent le pas de fonctionnement. 3) Machine according to claim 1 and 2 characterized by a conveyor F equipped with trays 1, motorized conveyor by toothed pulleys C - E comprising grooves Q which establish the operating step. 4) Machine selon la revendication 3 caractérisée en ce que les poulies C - E reçoivent une courroie crantée sur laquelle sont fixés les plateaux A à une distance les uns des autres, correspondant au pas de fonctionnement, cette liaison courroie J plateaux A est assurée par l'axe K. 4) Machine according to claim 3 characterized in that the pulleys C - E receive a toothed belt on which are fixed the plates A at a distance from each other, corresponding to the operating pitch, this belt connection J plates A is provided by the K axis. 5) Machine selon revendications 3 et 4 caractérisée par l'avance des plateaux A dans le tunnel D. 5) Machine according to claims 3 and 4 characterized by the advance of the plates A in the tunnel D. 6) Machine selon revendication 5 caractérisée en ce que le tunnel D est équipé de deux broches d'usinage W W' fixes, que ces deux broches équipées d'outils coupants ou abrasifs permettent en un seul passage des terrines d'enlever plusieurs millimétre de matière sur la partie supérieure de celles-ci, que ces deux broches d'usinage sont séparées l'une de l'autre d'une distance correspondant au pas de fonctionnement. 6) Machine according to claim 5 characterized in that the tunnel D is equipped with two fixed machining spindles WW ', that these two spindles equipped with cutting or abrasive tools allow in a single passage of the terrines to remove several millimeters of material on the upper part of these, that these two machining spindles are separated from each other by a distance corresponding to the operating step. 7) Machine selon revendication 6 caractérisée par des broches d'usinage W W' qui en période d'usinage provoquent des poussières, qui sont évacuées par un systéme d'aspiration raccordé aux orifices X X', les terrines sont donc propres à la sortie du tunnel. 7) Machine according to claim 6 characterized by machining spindles WW 'which during the machining period cause dust, which is evacuated by a suction system connected to the orifices X X', the bowls are therefore clean at the outlet of the tunnel. 8) Machine selon l'une quelconque des revendications précedentes caractérisée en ce quelles terrines aprés usinage soient retirées du convoyeur au poste B, que les terrines à usiner soient mise en circuit au même poste. 8) Machine according to any one of the preceding claims, characterized in that the terrines after machining are removed from the conveyor at station B, that the terrines to be machined are switched on at the same station. 9) Machine selon la revendication 8 caractérisée par un poste travail B, poste équipé des principales commandes de la machine, ou le convoyeur J vient arrêter automatiquement les plateaux A et ne repart que sur ordre de l'opérateur. 9) Machine according to claim 8 characterized by a work station B, station equipped with the main controls of the machine, or the conveyor J automatically stops the plates A and does not start again except on the operator's order. 10) Machine selon les revendications 8 et 9 caractérisée par des plateaux A qui en période d'arrêt (chargement, déchargement) ne sont pas à l'intérieur du tunnel à hauteur des outils P. 10) Machine according to claims 8 and 9 characterized by trays A which during the downtime (loading, unloading) are not inside the tunnel at the height of the tools P.
EP19930400504 1992-03-05 1993-02-26 Device for surfacing parallel to the bottom of the upper lip of an earthenware pot before firing, so that the pot can be industrially covered after firing Expired - Lifetime EP0559531B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9202767A FR2689439B1 (en) 1992-03-05 1992-03-05 Machine for surfacing parallel to the bottom, the upper part of an earthenware dish before cooking, in order to allow it to receive, after cooking, an industrial lidding.
FR9202767 1992-03-05

Publications (2)

Publication Number Publication Date
EP0559531A1 true EP0559531A1 (en) 1993-09-08
EP0559531B1 EP0559531B1 (en) 1996-04-17

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ID=9427482

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EP19930400504 Expired - Lifetime EP0559531B1 (en) 1992-03-05 1993-02-26 Device for surfacing parallel to the bottom of the upper lip of an earthenware pot before firing, so that the pot can be industrially covered after firing

Country Status (3)

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EP (1) EP0559531B1 (en)
ES (1) ES2087673T3 (en)
FR (1) FR2689439B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105619580A (en) * 2016-01-26 2016-06-01 闽清县建新电瓷厂 Ceramic lamp holder fettling machine and fettling method thereof
CN115319901A (en) * 2022-07-29 2022-11-11 重庆安都陶瓷有限公司 Pottery pot shaping system and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949955B (en) * 2014-05-19 2016-03-02 河南华邦电器炊具有限公司 A kind of skillet autogenous mill

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR976630A (en) * 1947-10-23 1951-03-20 Machine for brushing ceramic pieces between firing and glazing operations
US2886165A (en) * 1957-08-28 1959-05-12 Western Electric Co Article buffing apparatus and selectively operable article holders therefor
DE1185968B (en) * 1962-04-12 1965-01-21 Netzsch Maschinenfabrik Endless conveying device for leather-hard cups or similar moldings made of ceramic material
DE1683928A1 (en) * 1966-02-04 1971-04-08 Oespag Oesterr Sanitaer Cleaning device for deburring and smoothing the edges of truncated cone-shaped, in particular flat moldings made of ceramic material
DE2304103A1 (en) * 1972-02-01 1973-08-23 Staffordshire Ceramic Systems DEVICE FOR FINISHING AND RUBBING THE EDGES OF UNFIRED HOLLOW WORKPIECES OR. ITEMS SUCH AS HARNESS, E.G. CUPS, MUGS, BOWLS ETC. MADE OF CERAMIC MATERIAL
DE3636602A1 (en) * 1985-11-29 1987-06-04 Ve Wissenschaftlich Tech Betri Grinding installation for fine-ceramic products
FR2619039A1 (en) * 1987-08-05 1989-02-10 Thibaut Sa Installation for the flat polishing of a series of stones

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2145961A (en) * 1937-09-30 1939-02-07 John N Whitehouse Buffing machine
US2587271A (en) * 1948-12-01 1952-02-26 Edwin M Knowles China Company Dinnerware finishing machine
DE1584585A1 (en) * 1965-02-13 1970-02-19 Oskar Mestriner Device for removing pressurized material and for smoothing plates, cups or similar objects made of ceramic
GB1409596A (en) * 1973-04-04 1975-10-08 Sadler Sons Ltd James Manufacture of cermaic articles

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR976630A (en) * 1947-10-23 1951-03-20 Machine for brushing ceramic pieces between firing and glazing operations
US2886165A (en) * 1957-08-28 1959-05-12 Western Electric Co Article buffing apparatus and selectively operable article holders therefor
DE1185968B (en) * 1962-04-12 1965-01-21 Netzsch Maschinenfabrik Endless conveying device for leather-hard cups or similar moldings made of ceramic material
DE1683928A1 (en) * 1966-02-04 1971-04-08 Oespag Oesterr Sanitaer Cleaning device for deburring and smoothing the edges of truncated cone-shaped, in particular flat moldings made of ceramic material
DE2304103A1 (en) * 1972-02-01 1973-08-23 Staffordshire Ceramic Systems DEVICE FOR FINISHING AND RUBBING THE EDGES OF UNFIRED HOLLOW WORKPIECES OR. ITEMS SUCH AS HARNESS, E.G. CUPS, MUGS, BOWLS ETC. MADE OF CERAMIC MATERIAL
DE3636602A1 (en) * 1985-11-29 1987-06-04 Ve Wissenschaftlich Tech Betri Grinding installation for fine-ceramic products
FR2619039A1 (en) * 1987-08-05 1989-02-10 Thibaut Sa Installation for the flat polishing of a series of stones

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105619580A (en) * 2016-01-26 2016-06-01 闽清县建新电瓷厂 Ceramic lamp holder fettling machine and fettling method thereof
CN105619580B (en) * 2016-01-26 2017-09-29 闽清县建新电瓷厂 A kind of ceramic lamp base trimming machine and its trimming method
CN115319901A (en) * 2022-07-29 2022-11-11 重庆安都陶瓷有限公司 Pottery pot shaping system and method
CN115319901B (en) * 2022-07-29 2024-01-23 重庆安都陶瓷有限公司 Gallipot shaping system and method

Also Published As

Publication number Publication date
EP0559531B1 (en) 1996-04-17
FR2689439A1 (en) 1993-10-08
ES2087673T3 (en) 1996-07-16
FR2689439B1 (en) 1994-09-30

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