EP0662365B1 - Procédé et appareil pour meuler et/ou polir les fonds d'objets en céramiques - Google Patents

Procédé et appareil pour meuler et/ou polir les fonds d'objets en céramiques Download PDF

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Publication number
EP0662365B1
EP0662365B1 EP95100323A EP95100323A EP0662365B1 EP 0662365 B1 EP0662365 B1 EP 0662365B1 EP 95100323 A EP95100323 A EP 95100323A EP 95100323 A EP95100323 A EP 95100323A EP 0662365 B1 EP0662365 B1 EP 0662365B1
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EP
European Patent Office
Prior art keywords
objects
polishing
grinding
receiver
base parts
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.)
Expired - Lifetime
Application number
EP95100323A
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German (de)
English (en)
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EP0662365A1 (fr
Inventor
Dipl.-Ing. Voit (Fh) Karl
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Voit Michael GmbH
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Voit Michael GmbH
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Publication date
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Publication of EP0662365A1 publication Critical patent/EP0662365A1/fr
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    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/008—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding ceramics, pottery, table ware

Definitions

  • the invention relates to a method and an apparatus for grinding and / or polishing the foot parts of glazed and fired clay or porcelain (foot parts of ceramic moldings), such as flatware, preferably plates and plate-like objects with round and / or angular ones and / or oval shape.
  • a procedure and one such device are known from DE-A-36 36 602.
  • the stand areas such as foot parts
  • the stand areas are usually made of ceramic Shaped bodies, either not for pottery or porcelain glazed or freed from the glaze, as they are especially during of burning as shelves, for example, for support Storage plates can be used in kilns.
  • This unglazed Parts, especially unglazed foot parts are therefore after Burning rough on the surface. Because after firing the ceramic Shaped bodies are removed and stacked to form joints, lead these foot parts, which serve as a footprint, with rougher Surface in the formation of a joint or stacking into one Scratching and resulting damage to the glazed and fired surface of one in the stack below Object.
  • the stacked, glazed and fired moldings are relative to each other move and move when using the transport facilities to downstream processing facilities be transported.
  • Such scratched glaze surfaces or Surfaces of the glazed and fired ceramic moldings are of poor quality and can therefore only be sold at a discount are offered as clay or porcelain goods in the trade.
  • the invention therefore aims at a method and a Device for grinding and / or polishing Base parts of glazed and fired clay or porcelain, such as flatware, preferably plates or plate-like Articles to provide, which effective grinding and Smoothing of rough surfaces in the case of ceramic moldings largely fully automatic and without separate grinding machines allow.
  • a method for this is distinguished Grinding and / or polishing of foot parts of glazed and fired clay or processed goods, such as flatware, preferably plates or plate-like objects, characterized in that the foot parts of two objects thereby mutually ground and / or polished that the Foot parts springy in a slightly axially offset arrangement resiliently pressed against each other, a relative rotary movement to each other and a pendulum motion around the above Execute edge areas of the foot parts.
  • the method according to the invention enables grinding and / or polishing these rough surfaces, for which purpose Working conditions when carrying out the procedure, be chosen using the same means, and here one Matching to the size, type, shape or the like of the machining ceramic moldings possible without difficulty is. So the two are preferably immediately for grinding objects to be processed preferably under mutual contact rotated in opposite directions, as this creates greater frictional forces for the grinding processing can be applied. For polishing on the other hand, the objects to be processed can be but be rotated at different speeds.
  • this can Grinding and / or polishing carried out wet or dry will.
  • the respective choice of processing conditions depends preferably of the goods to be processed and / or others Quality requirements.
  • ground and / or polished objects cleaned for example be wet cleaned and dried if necessary will.
  • the method for grinding and / or polishing according to the invention is preferably used for Additionally polish a cloth material, such as a polishing cloth used, which between the against each other Foot parts is arranged. It is preferably the Cloth material around an endless cloth material, which for example via preferably driven roll-up and roll-off rolls as required is moved on. With such an approach the polishing process is preferably optimized and obtained significantly improved polishing results.
  • a device for grinding and / or polishing of foot parts of glazed and fired clay and Proportional goods such as flatware, preferably plates or plate-like objects, which are thereby distinguishes that a recording two objects to be processed slightly offset with their foot parts facing each other holds, the receptacle in the central area radially and axially movable is stored, and is speed-controllable, and the Resiliently accommodating the foot parts while executing a Pendulum movement around their protruding edge areas against each other presses.
  • a special Recording which two objects to be processed in such a way keeps the rough surfaces to be machined on the feet of plates, facing each other, and that then the grinding and / or Polishing processing, if necessary, directly physically, mutually takes place in that these to be processed Areas that are slightly off-axis are assigned, pressed against each other, and relative be twisted towards each other. Due to the resilient Hold the objects to be processed in the recording and due to the radially and axially movable mounting of the receptacle thus a radial and axial displacement of the machining objects to be processed possible, so that the protruding edge areas on the foot parts under execution a pendulum movement for grinding and / or polishing can be.
  • the device according to the invention thus enables in a structurally simple and space-saving way effective grinding and / or polishing processing of rough surface areas of ceramic moldings, such as of foot parts of the same.
  • this processing in the device according to the invention without additional effort and almost automatically a grinding and / or Polishing processing under optimal conditions and Conditions carried out.
  • a grinding and / or Polishing processing under optimal conditions and Conditions carried out.
  • Internal grinding by the method according to the invention and in the The device according to the invention surprisingly result high quality and excellent ground and / or polished Surfaces in the desired areas.
  • the receptacle comprises two spaced apart Recording discs, which scratch the held objects have preventing end faces, being on the end faces each holding disc has an object to be processed is preferably held by means of vacuum.
  • a driving disk associated with a drive shaft of an associated, variable-speed drive is firmly connected, for example a belt drive or the like can be provided, and the drive plate resiliently non-rotatably with the Recording disc is connected to achieve an optimal Processing necessary degrees of freedom of movement of the respective Allow mounting disc.
  • the inventive device for performing a Universal grinding and / or polishing processing is provided, for example a belt drive or the like.
  • an elastic membrane Is preferably for the rotationally fixed connection of the drive plate and receiving disc provided an elastic membrane.
  • a Such an elastic membrane allows the Pick-up disc in connection with the driving disc at the Execution of the rotary movement, but there are relative movements below Consideration of the opposing surfaces without interference working of the device possible, and these are made with the help the elastic membrane balanced.
  • the one applied by the receptacle preferably changes Pressing force during grinding and / or polishing in Circumferential direction of the recording.
  • the pressure force preferably increases starting from a largest value over half a range the recording down to a smallest value.
  • the pressing force or the pressing forces applied via springs preferably compression springs, the between the receiving plate and the driving plate of the respective recording are arranged.
  • springs can over the Distribute different spring forces that produce circumference then lead to the pressure forces during processing also change according to the arrangement.
  • one Wet processing made in the device according to the invention be, for example, a liquid cooling device for grinding and / or polishing is provided, which is preferred a nozzle directed towards the foot parts for dispensing Coolant, preferably water, has.
  • a liquid cooling device for grinding and / or polishing is provided, which is preferred a nozzle directed towards the foot parts for dispensing Coolant, preferably water, has.
  • Coolant preferably water
  • the device according to the Invention is between the means of recording each other facing and pressed against each other Cloth material arranged, which is preferably for polishing is used. If you have an endless cloth material here uses, this can be done on opposite unwinding and reeling rollers are guided, with at least one of the rollers being driven is.
  • a stepper motor is expediently used for the drive used so that when the cloth material is used up is automatically without interrupting the operating sequence of the Device a fresh cloth material in the effective and work area with the help of a fully automatic step-by-step operation can bring.
  • the cloth material can be sensors be assigned, which automatically the state of the effective Monitor and record the area of the cloth material.
  • a spray device is preferably used for cleaning, which in particular water on the spaced Aligns foot parts, and which is arranged between them.
  • the spray device preferably comprises in the diameter direction the objects held apart by means of the receptacle several spray nozzles, which spray jets on the Align the processed foot area.
  • the objects to be cleaned rotate during the cleaning treatment, for which the grinding and / or Drive devices provided for polishing the parts of the recording are used.
  • a wet cleaning device it is provided that this is followed by a drying device, in which the spaced by means of the receptacle, cleaned or flushed objects preferably with warm air be dried.
  • a drying device in which the spaced by means of the receptacle, cleaned or flushed objects preferably with warm air be dried.
  • the drying device preferably comprises an air nozzle device, which is spaced between those with the help of the receptacle held, cleaned objects is arranged.
  • the dryer can be cleaned in an effective manner Work on objects to dry them quickly to reach.
  • the air nozzle device preferably has a slot-shaped one Air nozzle outlet, which is in the diameter direction of the Recording and the object to be treated extends, wherein this slit-shaped air nozzle emerges particularly in the essentially over the entire diameter dimensions of the Recording extends. If in the drying facility Rotate objects on their own axis as preferred is obtained with such an air nozzle device optimal exposure to dry air on the items to be dried Surfaces of the objects, so that there are very short drying times surrender.
  • the drying process can be carried out using the rotary drive can still be optimized in that the Objects kept at a distance with a drying device on the air speed taking into account if necessary the speed of the dry air rotate.
  • the direction of rotation can be selected in a corresponding manner and the optimal conditions can then be determine and determine empirically.
  • the device for Grinding and / or polishing upstream of a feed device and this or one of the after-treatment facilities, such as the cleaning device and / or the drying device a delivery device downstream. That way they can Objects to be processed in pairs fully automatically to the corresponding devices and facilities, such as the Recording or the like, abandoned and then from this again be removed.
  • the feed device preferably takes the ones to be treated Objects in pairs from a conveyor on the task side, preferably an intermittently operable conveyor belt or parallel conveyor belts in a substantially horizontal and slightly off-axis, and arranges the Objects with a counter-rotating movement each 90 ° with the foot parts facing each other.
  • a feeder will be the one to be processed Objects in pairs already in the predetermined Pass the order to the recording. This allows the Further increase the degree of automation of such a system.
  • the feed device preferably comprises a suction arrangement with two suction cups that can be turned 90 ° in opposite directions, which preferably via assigned and meshing gears via a common drive, such as an actuator or the like, are rotatable.
  • a common drive such as an actuator or the like
  • the feeder is similar to the feeder Dispensing device provided, which treated in pairs Objects based on the position in which their foot parts or the Machining areas are facing each other, under execution an opposite rotation by about 90 ° to each discharge-side conveyor device according to an essentially horizontal alignment, with the conveyor preferably on an intermittently operable conveyor belt or of intermittently operated parallel conveyor belts is formed.
  • the conveyor preferably on an intermittently operable conveyor belt or of intermittently operated parallel conveyor belts is formed.
  • the feed device and the delivery device are expedient assigned a common transfer device, which an appropriate handling for paired arrangement of the processing objects allowed in the assigned recording.
  • one can Transfer device can be provided, which two under one Angle of about 90 ° arranged arms with suction cups for holding the Objects to be treated on their outer, i.e. their has glazed and fired floor area.
  • these two arms form a body, which is around a common one Axis is rotatable so that the objects to be treated passed in pairs from the feeder to the recording and the treated items in pairs to the dispenser be delivered.
  • Such a common transfer facility allows the simultaneous handling in pairs of those to be treated and treated items so that a clock controlled Movement sequence can be achieved, and thereby the intermediate handling times be significantly shortened.
  • the device for grinding and / or Polishing and, if necessary, the other treatment facilities and the task, handover and delivery device in the form of a Rotary table system or a linear system can be arranged.
  • the according to the invention essential details and the respective Treatment steps are, apart from intermediate Funding, regardless of the design as a turntable system or linear system.
  • the invention is by no means regarding limited to a turntable system.
  • a transfer station distributes angular distances a device for grinding and / or polishing, if necessary a cleaning station and a drying station can be arranged. This allows the individual processing and treatment steps by the inventive method and the inventive Device in a space-saving way with the help a corresponding clock control and a rotary circuit of the Realize turntable system.
  • the system and the system such as in the form of a Rotary table system or a linear system, it is according to the Invention essential that the objects to be processed, which are ground in particular on their foot parts and foot areas and / or to be polished, either immediately or with the interposition of a cloth material in mutual physical Touched during grinding and / or polishing and that using one and the same recording, which is intended for grinding and / or polishing, further treatment steps depending on the desired Process flow, such as cleaning, drying and the like, can perform.
  • these measures according to the invention can be surprisingly excellent editing and Treatment results on manufacturing technology favorable To achieve this with the shortest possible manufacturing times.
  • the constructive and procedural effort much less than with previous treatments, at which separate grinding machines and / or polishing machines must be provided, to which the objects to be treated have to be transported. Also allow such Grinding machines only a single processing of those to be treated Objects.
  • the processing power about twice as much as the previous one Treatment method increased, aside from the fact that the invention a fully automatic execution of machining and any further treatment steps required, such as Cleaning and drying allowed.
  • moldings of this type are used as flatware referred to, and it is a plate or plate-like Objects such as plates and the like, which one can have round and / or angular and / or oval shape.
  • This Objects still have rough, unprocessed foot parts or Foot areas.
  • Description as an example of such Item on a plate as an abbreviation for the above mentioned term definition entered, which in the glazed and burned or burned state in the figures of the Drawing with 2 and in the treated or processed state with 2 'is designated. As can be seen in particular from FIG.
  • Such a plate 2 comprises a floor area with a foot part 2a with a protruding edge area 2b, which is the actual Footprint or the foot forms. Furthermore, between the foot part 2a an inner bottom area 2c is provided, and the plate 2 has on its upper side a top area 2d.
  • FIG. 1 Overall system explains the basic concept of a turntable system will.
  • This system includes several, according to their flow sequence marked stations I, II, III, IV, V and VI.
  • a turnstile designated overall with A has regular in each case Corresponding angular distances of about 90 ° for stations II to V.
  • Under appropriate clock control becomes a complete workflow from task to delivery and for transfer with the help of an appropriate step-by-step movement by 90 ° each during a complete orbital movement run through 360 °.
  • station I In the area of station I there is a centering in pairs and Arrangement of the on a feed conveyor arriving plate 2 in such a way that the plate 2 be arranged so that they are centered, but an axially offset assignment is given in pairs, like this shown below in particular in connection with FIG. 5 is.
  • the feed-side conveyor 1 is intermittent operable and, in the example shown, comprises two parallel, feed-side bands 1 '.
  • station I is a total assigned with 3 designated task from which the Plate 2 in pairs by means of a total of 4 Transfer device to be transferred to station II.
  • the how indicated by the arrow, the next switching step in the switching sequence performing station III forms a device for Grinding and / or polishing, which is denoted overall by S. and the details of which are shown in Fig. 5.
  • station IV overall designated with R cleaning device.
  • Station V is then optionally dried using a drying device designated overall by T. I'm at it the subsequent switching step is then returned to station II back, and with the help of the specifically shown, and in Fig. 2 closer illustrated transfer device 4 then a transfer takes place to a delivery device designated overall by 5, by means of of the processed objects in station VI to one delivery device and overall designated 6 conveyor which, for example, two synchronously running, intermittently operable discharge side tapes 6 '.
  • the feed device 3 comprises a suction arrangement with two Suction cups 7, for example with an associated compressed air cylinder 8 can be operated and moved. Every sucker 7 with the associated air cylinder 8 is via a support arm 31, which is L-shaped, in operative connection with one Gear 9, the two gears 9 in mesh with each other are.
  • the two arriving on the conveyor belts 1 ' and opposite plates 2, the axes are slightly offset from each other, see those in the station I arrangement shown in Fig. 1, with the help of suction cups 7 gripped and removed from the feed-side tapes 1 '. How is indicated with arrows in Fig.
  • the feed device 3 in the longitudinal direction to the feed side Conveying device 1 movable, for which purpose the feeding device 3 longitudinally displaceable by means of a sledge-like device 10 is stored.
  • the plates 2 are in the predetermined Location and arrangement of the feeder 1 removed and arranged in the position which, for example, in Fig. 1 is clarified.
  • the pair of plates 2 arranged in this way becomes then proceeding from the arrangement according to FIG. 1 with the aid of the Transfer device 4 to a total designated 30 Hand over the recording, the further details in particular in Connection with Fig. 5 will be explained.
  • the transfer device 4 two arms 4a arranged at an angle of approximately 90 °, which are preferably connected to a body. These two Angle arms 4a are about a common axis of rotation 4b, as with a Arrow in Fig. 2 illustrates, rotatable. At their respective free The ends of the arms 4a carry suction cups 11 and 33, as follows, from the schematic view according to FIGS. 3 and 4 and from FIG. 1 is seen. With the help of the suction cups 11 of the transfer device 4 with the help of the feed device 3, as in FIG. 1 shown, arranged two plates 2 on the transfer device 4 held. The indicated in station II in Fig.
  • Transfer device 4 detected.
  • the transfer device is wild 4 for example in Fig. 2 clockwise around the common Rotation axis 4b rotated, so that on the transfer device 4 held, finished processed pair of plates 2 'to the delivery device 5 in Fig. 2 or Fig. 1, and simultaneously the one to be taken over and processed by the feeder 5 Plate pair 2 is moved to the receptacle 30 and transferred.
  • the dispenser 5 via a sled-like device 15 in the longitudinal direction so moved that at the end of the movement the two finished Plate 2 'on the belts 6' of the delivery side Conveyor 6 are discontinued. Via the delivery side Conveyor 6 can then the finished plate 2 'to corresponding downstream facilities and systems be transported.
  • FIG. 5 a whole with S designated device for grinding and / or polishing the Foot parts 2a of a pair of plates 2 described in more detail.
  • the below explained recordings 30 corresponds in terms of structure the respective recordings made in stations III to V in Fig. 1 of the drawing are shown schematically. Therefore it is enough from, only a receptacle 30 in connection with FIG. 5 closer to explain.
  • the receptacle 30 in the device designated overall by S. for grinding and / or polishing comprises holding disks 30 ' whose end faces each have a plate 2 to be processed, for example is held by means of vacuum so that the foot part to be machined 2a of each plate 2 faces the other foot part 2a.
  • the vacuum is above that Vacuum connection 16 and a connecting device designated 17 to the face of the respective receiving disc 30 ' created.
  • a connecting channel 16a passes through a drive shaft 40 and each an associated drive plate 20 of the receptacle and it is then a communicating with the help of the connecting device 17 Connection from the connecting channel 16a to the End face of the receiving disc 30 'leading channel 16b.
  • the connecting device 17 can be a act as a so-called vacuum belt, including a tubular, flexible connecting line is to be understood.
  • each receiving disk 30 'of the receiving 30 is one Drive plate 20 assigned, which rotatably with one Drive shaft 40 is connected, which using a combined axial and radial storage 32 is mounted stationary.
  • This Drive shaft 40 is via a not shown, variable-speed drive and a drive belt 23 driven.
  • Each drive plate 20 is with an elastic membrane 19 of the respective associated receiving disk 30 'connected to the rotary drive.
  • Each receiving disc 30 ' is at 80 with the help of a indicated support slightly axially and radially displaceable stored with respect to the drive plate 20.
  • a Pressure control unit 24 can be the basic contact pressure for the processing plate 2 in the receptacle 30 shown in FIG. 5 adjustable, and also the distance can be adjusted between the two opposite receiving disks 30 ' thereby adjust.
  • Fig. 5 is 21, for example Compression spring labeled with a maximum pressure force and with 22 a compression spring with the smallest pressure force. About about half of the circumference are distributed further, not closer shown springs or compression springs, each of which Apply pressure forces in order from the compression spring 21 with maximum compression force to the compression spring 22 decrease with the least pressure.
  • these springs 21, 22 preferably each in the diameter direction arranged symmetrically opposite each other so that the Springs overall over the circumference of the receiving disc 30 'and Drive plate 20 are arranged evenly distributed.
  • Pressure force profile are applied, which in optimal Way to the desired processing, such as grinding or Polishing is coordinated.
  • the foot parts 2a are inclusive the protruding edge areas 2b directly physically against each other moved and against each other with a predetermined contact pressure pressed so that while performing a pendulum movement and a relative rotational movement between those to be machined A corresponding processing takes place in the foot parts 2a.
  • the two plates 2 to be machined become in opposite directions via the respective drive shafts 40 and the drive plates 20 driven.
  • the Receiving disks 30 'with the plates 2 held thereby the drive plates 20 and the drive shafts 40 via the assigned and separately controllable drive devices also in the same direction, but at different speeds and driven at different speeds.
  • Such Drive conditions are particularly important for polishing Suitable while grinding the foot parts 2a preferably takes an opposite rotational movement.
  • This Device S thus allows the foot parts 2a of two Objects, in the example shown plate 2, mutually be ground and / or polished in that the foot parts 2a in a slightly axially offset arrangement resilient are pressed against each other and a relative rotational movement to each other and a pendulum movement around the protruding edge areas Execute 2b of the foot sections 2a.
  • two objects to be processed plates
  • the receptacle 30 is in the central area over the Support 18 mounted radially and axially movable.
  • the processing can, for example, according to FIG. 5 be carried out wet for grinding and / or polishing, for which purpose Coolant if necessary in connection with an abrasive and / or Polish, such as water, through a nozzle 25 on the processing area of the device S in FIG. 5 can be directed.
  • Coolant if necessary in connection with an abrasive and / or Polish, such as water, through a nozzle 25 on the processing area of the device S in FIG. 5 can be directed.
  • an abrasive and / or Polish such as water
  • the sheet material 41 is endless designed and runs over an opposite roller 42nd and an associated take-up roller 43. At least one or both the unwinding and reeling rollers 42 and 43 are driven so that the used cloth material in the effective area of the foot parts 2a in Direction on the take-up roller 43 are gradually moved can, so that without interrupting operation of the device S ' the grinding and / or polishing processing in an efficient manner can be carried out that then again a fresh one effective cloth material area in the work area and effective area the device S 'is available.
  • the Drive a stepper motor 44 used, or when the unwinding roller 42 and the take-up roller 43 are driven is for driving an assigned stepper motor is provided.
  • the foot parts 2a to be machined are not immediately is physically pressed against each other, but between them arranged the cloth material 41, which is preferably is a polishing cloth material.
  • FIG. 6 Assigned to station IV in Fig. 1 and with reference to Fig. 6 is an example of a possibly downstream one Cleaning device R explained.
  • FIG. 6 are the respective receiving discs in the cleaning device R. 30 'with the plates 2 held there with respect to the in FIG. 5 arrangement shown axially displaced and moved apart, so that the foot parts 2a machined in the device S, S ' Plate 2 are at a distance from each other.
  • the cleaning facility R comprises a spray device 26, which in the diameter direction the receptacle 30 comprises a plurality of spray nozzles 27, which is axially directed in the arrangement shown in FIG.
  • efficient way of the respective area of the processed plate 2 preferably with the help of water or another liquid be cleaned so that when processing by the Device S, S 'accumulated and adhered abrasion can be rinsed and removed quickly and reliably.
  • the cleaning device R can also be in one of the illustrated embodiment designed different way will.
  • the speeds and the direction of rotation of the mounting discs 30 'and the plate 2 held there are on accordingly appropriately coordinated with each other, being suitable Operating areas are preferably determined empirically.
  • the speeds of the drive shafts 40 noticeably in Changed sense of an increase, so that, for example, still to the Plates 2 adhering excess liquid spun off can be.
  • a drying device T provided in station V is explained in more detail.
  • the two are in the device S, S 'processed and if necessary in the cleaning device R treated plate 2 also with the help of the recording 30 kept at a distance from each other.
  • an air nozzle device 28 in the drying device T Between each mutually opposite foot portions 2a of the plates 2 is an air nozzle device 28 in the drying device T. arranged, which has an air nozzle 29. With the help of this Air nozzle device 28 is preferably hot air over the Air nozzle 29 on the opposite plate 2 for Drying same directed.
  • FIG. 8 is a preferred embodiment of one with 29a designated, slot-shaped air nozzle outlet shown, which is designed spiral or S-shaped, with the turning area approximately in the central axis area of the respective receiving disc 30 'and of the plate 2 held there.
  • 29a designated, slot-shaped air nozzle outlet shown, which is designed spiral or S-shaped, with the turning area approximately in the central axis area of the respective receiving disc 30 'and of the plate 2 held there.
  • the plate 2 with the help of the recording 30 perform a rotary movement about its axis, as with a
  • the arrow in FIG. 7 illustrates the purpose of each Recording 30 associated drives are used, which previously have been explained in connection with FIG. 5.
  • the speed of rotation is preferably the air speed matched, where appropriate also the temperature of the With the help of the air nozzle device 28, warm dry air is emitted is taken into account. Leave the most favorable conditions determine themselves empirically and depend on the shape that Dimensions and the like of those in the drying device T objects to be treated, such as plates 2. Naturally are possibly different embodiments from the illustration with regard to the design of the drying device T possible.
  • the invention is not related to the above the details described in the preferred embodiments limited. So in particular Details of the above-described receptacle 30 of the respective Depending on the application, designed in a different form be, but it is essential that such a recording 30 on the one hand an axial and radial - albeit slight - Allows movement, and that the device S allows the objects to be processed under mutual and mutual Touch for grinding and / or polishing with appropriate Predeterminable and variable pressure forces to be edited.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (37)

  1. Procédé pour meuler et/ou polir les fonds (2a) de poteries ou de porcelaines émaillées et cuites, telles que de la vaisselle plate, de préférence des assiettes (2) ou des objets similaires, caractérisé en ce que les fonds (2a) de deux objets (2) sont alternativement meulés et/ou polis en pressant les fonds (2a) l'un contre l'autre, de manière élastique et souple, dans une position où leurs axes sont légèrement décalés l'un par rapport à l'autre, et en effectuant un mouvement relatif l'un vers l'autre, et un mouvement pendulaire autour des zones saillantes des bords (2b) des fonds (2a).
  2. Procédé selon la revendication 1, caractérisé en ce que, pour le meulage, les deux objets (2) tournent, de préférence, en sens inverse.
  3. Procédé selon la revendication 1, caractérisé en ce que, les deux objets (2) tournent dans le même sens, mais avec des vitesses de rotation différentes, de préférence pour le polissage.
  4. Procédé selon une des revendications 1 à 3, caractérisé en ce que le meulage et/ou le polissage sont effectués par voie humide.
  5. Procédé selon une des revendications 1 à 3, caractérisé en ce que le meulage et/ou le polissage sont effectués à l'état sec.
  6. Procédé selon une des revendications précédentes, caractérisé en ce que les fonds (2a) sont pressés l'un contre l'autre, en insérant entre eux un tissu, de préférence un tissu sans fin, comme du tissu à polir en rouleau.
  7. Procédé selon une des revendications 1 à 6, caractérisé en ce que les objets (2) poncés et/ou polis sont nettoyés et, le cas échéant, séchés.
  8. Dispositif de meulage et/ou polissage de fonds (2a) de poteries ou de porcelaines émaillées et cuites, comme de la vaisselle plate, de préférence, des assiettes (2) ou des objets similaires, caractérisé en ce qu'un dispositif de réception (30) maintient deux objets à usiner (2) dans une position où leurs axes sont légèrement décalés, l'un par rapport à l'autre, et que les fonds (2a) sont tournés l'un vers l'autre, que le dispositif de réception (30) est axialement et radialement mobile (en 18) dans la zone médiane et qu'il peut être entraíné en rotation à une vitesse de rotation réglable et que le dispositif de réception (30) presse les fonds (2a) l'un contre l'autre, de manière élastique et souple, en exécutant un mouvement pendulaire autour des zones saillantes de leurs bords (2b).
  9. Dispositif selon la revendication 8, caractérisé en ce que le dispositif de réception (30) comprend deux disques de réception (30'), distants l'un de l'autre et dont les côtés frontaux maintiennent respectivement un objet (2) à usiner au moyen de vide.
  10. Dispositif selon la revendication 9, caractérisé en ce qu'un disque entraíneur (20) est associé à chaque disque de réception (30') qui est fixement relié à l'arbre moteur (40), d'un entraínement associé à vitesse de rotation réglable (en 23), et qui est relié de manière élastique et souple, mais résistant à la torsion, au disque de réception (30').
  11. Dispositif selon la revendication 10, caractérisé en ce qu'une membrane élastique (19) est prévue pour la liaison résistant à la torsion entre le disque entraíneur (20) et le disque de réception (30').
  12. Dispositif selon une des revendications 8 à 11, caractérisé en ce que la force de pression appliquée par le dispositif de réception (30) varie dans le sens de la circonférence du dispositif de réception (30).
  13. Dispositif selon la revendication 12, caractérisé en ce que la force de pression, à partir d'une valeur plus grande (ressort 21) diminue respectivement sur la demi-circonférence du dispositif de réception (30) jusqu'à la plus petite valeur (ressort 22).
  14. Dispositif selon la revendication 12 ou 13, caractérisé en ce que la force de pression est appliquée de manière répartie sur la circonférence, au moyen de ressorts (21, 22), de préférence, de ressorts à pression, disposés entre le disque de réception (30') et le disque entraíneur (20).
  15. Dispositif selon une des revendications 8 à 14, caractérisé en ce qu'un dispositif de refroidissement à liquide (buse 25) est prévu pour le meulage et/ou le polissage, qui présente, de préférence, une buse (25) dirigée sur les fonds (2a) pour délivrer du liquide de refroidissement, de préférence, de l'eau.
  16. Dispositif selon une des revendications 8 à 15, caractérisé en ce qu'un tissu, de préférence pour polir, est disposé entre les fonds (2a) maintenus, au moyen du dispositif de réception (30), tournés et pressés l'un contre l'autre.
  17. Dispositif selon la revendication 16, caractérisé en ce qu'un tissu (41) passe sans fin sur des cylindres de déroulement et d'enroulement (42, 43) opposés.
  18. Dispositif selon la revendication 17, caractérisé en ce que, au moins un des cylindres de déroulement et d'enroulement (42, 43) est entraíné au moyen d'un moteur pas à pas (44).
  19. Dispositif selon une des revendications 8 à 18, caractérisé en ce qu'un dispositif de nettoyage (R) est monté en aval du dispositif (S) pour le meulage et/ou le polissage, pour enlever de la poussière, etc., produite lors de l'usinage.
  20. Dispositif selon la revendication 19, caractérisé en ce que le dispositif de réception (30) maintient les parties usinées des fonds (2a) des objets (2), écartées l'une de l'autre et qu'un dispositif pulvérisateur (26) est prévu pour nettoyer, de préférence pour délivrer de l'eau, entre les fonds (2a), écartés l'une de l'autre.
  21. Dispositif selon la revendication 20, caractérisé en ce que le dispositif pulvérisateur (26) comporte, dans le sens du diamètre des objets (2) maintenus avec un écart entre eux au moyen du dispositif de réception, plusieurs buses de pulvérisation (27) dirigées vers les fonds (2a).
  22. Dispositif selon une des revendications 19 à 21, caractérisé en ce que les objets (2) à nettoyer tournent pendant le traitement de nettoyage.
  23. Dispositif selon la revendication 22, caractérisé en ce que, après le traitement de nettoyage, la vitesse de rotation, c'est-à-dire le nombre de tours des objets (2) nettoyés qui tournent, est augmenté pour enlever l'excédent de liquide de nettoyage par essorage.
  24. Dispositif selon une des revendications 19 à 23, caractérisé en ce que le dispositif de nettoyage (R) est suivi d'un dispositif de séchage (T) dans lequel les objets (2) nettoyés et rincés, maintenus avec un écart entre eux au moyen du dispositif de réception (30), sont séchés, de préférence à l'air chaud.
  25. Dispositif selon la revendication 24, caractérisé en ce qu'un dispositif à buse d'air (28) est disposé entre les objets (2) nettoyés, maintenus avec un écart entre eux.
  26. Dispositif selon la revendication 25, caractérisé en ce que le dispositif à buse d'air (28) possède une base d'air (29) avec une sortie de buse d'air (29a) dans la direction du diamètre du dispositif de réception (30).
  27. Dispositif selon la revendication 26, caractérisé en ce que, la sortie de buse d'air (29a) en forme de lente est spiroïdale, de préférence en forme de S, et a au moins environ la dimension du diamètre des fonds (2a).
  28. Dispositif selon une des revendications 24 à 27, caractérisé en ce que les objets (2) maintenus, avec un écart entre eux, dans le dispositif de séchage (T) tournent avec une vitesse adaptée à la vitesse de l'air, le cas échéant, en tenant compte de la température de l'air sec.
  29. Dispositif selon une des revendications 8 à 28, caractérisé en ce qu'un dispositif de chargement (3) est monté en amont du dispositif (S) de meulage et/ou de polissage, et qu'un dispositif de déchargement (5) est monté en aval de celui-ci ou d'un des dispositifs de traitement ultérieur, tels que le dispositif de nettoyage (R) et le dispositif de séchage (T).
  30. Dispositif selon la revendication 29, caractérisé en ce que le dispositif de chargement (3) prend les objets à traiter (2) par paires sur un dispositif de transport (1), côté chargement, de préférence, un tapis convoyeur à fonctionnement intermittent ou des tapis convoyeurs parallèles (1'), dans une position où leurs axes sont légèrement décalés horizontalement, et les dispose, en effectuant respectivement un mouvement de rotation de 90° dans le sens opposé, de manière que les fonds (2a) soient tournés l'un vers l'autre.
  31. Dispositif selon la revendication 30, caractérisé en ce que le dispositif de chargement (3) comprend un arrangement d'aspirateurs avec deux aspirateurs (7) pouvant être tournés de 90° dans des sens opposés, de préférence par des roues dentées (9) associées engrenées à la manière de peignes par un entraínement commun.
  32. Dispositif selon la revendication 29, caractérisé en ce que le dispositif de déchargement (5) dépose les objets (2') traités par paires, à partir de la position où leurs fonds (2a) sont tournés l'un vers l'autre, en exécutant un mouvement de rotation de 90° dans le sens opposé, sur un dispositif de transport (6), côté déchargement, de préférence un tapis convoyeur à fonctionnement intermittent ou des tapis convoyeurs parallèles (6'), dans un alignement essentiellement horizontal.
  33. Dispositif selon la revendication 32, caractérisé en ce que le dispositif de déchargement (5) est essentiellement similaire au dispositif de chargement (3) selon la revendication 27.
  34. Dispositif selon une des revendications 29 à 33, caractérisé en ce qu'un dispositif de transfert commun (4) est associé aux dispositifs de chargement (3) et de déchargement (5).
  35. Dispositif selon la revendication 34, caractérisé en ce que le dispositif de transfert (4) présente deux bras (4a) disposés de manière à former un angle de 90° environ, avec des aspirateurs (11, 11; 33, 33) pour maintenir les objets à traiter par la zone intérieure de leur fond (2c), les bras pouvant être tournés autour d'un axe commun (4b) de sorte que les objets à traiter (2) sont transmis, par paires, du dispositif de chargement (3) au dispositif de réception (30) et que les objets traités (2') sont transmis, par paires, de celui-ci au dispositif de déchargement (5).
  36. Dispositif selon une des revendications précédentes 8 à 35, caractérisé en ce que le dispositif (S) pour meuler et/ou polir, et, le cas échéant, les autres dispositifs de traitement (R, T), ainsi que les dispositifs de chargement (3), de transfert (4) et de déchargement (5) forment un système de table tournante ou un système linéaire.
  37. Dispositif selon la revendication 36, caractérisé en ce que, dans le cas d'un système de table tournante, un poste de transfert (II), un poste (III) avec un dispositif de meulage et/ou de polissage, le cas échéant un poste IV avec un dispositif de nettoyage ( R ) et un poste V avec un dispositif de séchage (T) sont disposés sur un croisillon de manoeuvre, à des intervalles angulaires réguliers répartis sur 360°.
EP95100323A 1994-01-11 1995-01-11 Procédé et appareil pour meuler et/ou polir les fonds d'objets en céramiques Expired - Lifetime EP0662365B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4400559A DE4400559A1 (de) 1994-01-11 1994-01-11 Verfahren und Vorrichtung zum Schleifen und/oder Polieren, insbesondere von Fußteilen von glasiertem und gebranntem Ton- oder Porzellangut
DE4400559 1994-01-11

Publications (2)

Publication Number Publication Date
EP0662365A1 EP0662365A1 (fr) 1995-07-12
EP0662365B1 true EP0662365B1 (fr) 1998-04-22

Family

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EP95100323A Expired - Lifetime EP0662365B1 (fr) 1994-01-11 1995-01-11 Procédé et appareil pour meuler et/ou polir les fonds d'objets en céramiques

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Country Link
EP (1) EP0662365B1 (fr)
CZ (1) CZ7395A3 (fr)
DE (2) DE4400559A1 (fr)
SK (1) SK4295A3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0857543A1 (fr) * 1997-02-07 1998-08-12 Maschinen- und Stahlbau Julius Lippert GmbH & Co. Dispositif pour tourner des pièces avec système à vide integré et appareil comprenant ce dispositif
CN106273155B (zh) * 2016-08-30 2019-02-19 重庆凯龙科技有限公司 隔热板加工一体化机构
CN109333220B (zh) * 2018-10-16 2024-01-30 刘小辉 一种沉降式磨边机及其磨边加工方法
CN113770851A (zh) * 2021-10-10 2021-12-10 江苏富乐德石英科技有限公司 一种高效的石英环生产工艺
CN116833860B (zh) * 2023-08-31 2023-11-24 沈阳明禾石英制品有限责任公司 陶瓷型芯智能机器人打磨装备自动装夹具随动系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1420751A (en) * 1922-06-27 Lapping machine
DD259089A3 (de) * 1985-11-29 1988-08-17 Ve Wissenschaftlich Tech Betri Haltevorrichtung zum feinkeramische erzeugnisse
DE3807780A1 (de) * 1988-03-09 1989-09-21 Zeidler Kg Maschf Heinrich Anlage zum saeubern des fusses bzw. der unterseite keramischer produkte
DE4038031A1 (de) * 1990-11-29 1992-06-04 Zeidler Kg Maschf Heinrich Verfahren und vorrichtung zum schleifen der standflaechen keramischer artikel
DE4104459C1 (en) * 1991-02-14 1992-02-20 Heinrich Zeidler Maschinenfabrik Gmbh & Co Kg, 8672 Selb, De Grinding machine for plates - uses flexible grinding belts engaging support rings on bottom of plates

Also Published As

Publication number Publication date
DE4400559A1 (de) 1995-07-13
SK4295A3 (en) 1996-03-06
CZ7395A3 (en) 1996-06-12
EP0662365A1 (fr) 1995-07-12
DE59501941D1 (de) 1998-05-28

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