摘要:
Sanitary wares are pressure-cast on a single mold machine comprising a bed and two platens associated with the bed, each one supporting a respective mold half; one of the two platens is translatable along the bed in a longitudinal direction, whilst the other incorporates a tilting platen carrying the respective mold half and is rotatable about a horizontal axis extending perpendicular to the longitudinal direction; the accessibility to the mold halves and to the casting are improved and therefore the operations of demolding the green wares and transferring them to successive stages of manufacture are much facilitated, as also is the procedure for changing the mold.
摘要:
Ceramic sanitary wares are cast using equipment that comprises at least one mold made up of two halves presenting relative cavities in which the cast item is formed, rendered capable of movement to and fro along a predetermined direction toward and away from one another through the agency of a first actuator, in such a way that respective mating surfaces of the mold halves can be joined together or separated. Pressure forces acting on the mold halves from within are contained and controlled by a system associated directly with the mold halves, which comprises a mechanism acting on the system itself and on the halves of the mold in such a way as to create a gap affording a free passage to the mold halves when drawn together and distanced one from another. In this way, at least one of the halves can be rendered independent of the containment and control system for demolding purposes.
摘要:
Sanitary wares are pressure-cast on a single mold machine comprising a bed and two platens associated with the bed, each one supporting a respective mold half; one of the two platens is translatable along the bed in a longitudinal direction, whilst the other incorporates a tilting platen carrying the respective mold half and is rotatable about a horizontal axis extending perpendicular to the longitudinal direction; the accessibility to the mold halves and to the casting are improved and therefore the operations of demolding the green wares and transferring them to successive stages of manufacture are much facilitated, as also is the procedure for changing the mold.
摘要:
A device for mounting a mould in a machine (1) that comprises: a mould (2) composed of two half-moulds (2a, 2b), each of which comprises an active filtering portion (2ar, 2br) and a rigid structural portion (5, 6); a mounting platen (3, 4) for each half-mould (2a, 2b), movable towards and away from each other; the service plate (5) of the first half-mould (2a) is rigidly connected, in use, between the active portion (2ar) and the respective platen (3); the device comprises reference and quick connect means (7, 8) located in a region above the center of gravity of the first half-mould (2a), and acting between the platen (3) and the service plate (5) in order to fasten the first half-mould (2a) in a predetermined, hanging position correlated between the platen (3) and the plate (5).
摘要:
An installation (100) for the manufacture of ceramic products comprises a mold (1) divided into at least two parts (2, 3) forming an internal cavity (C) where the ceramic product is formed, and mobile towards and away from each other, under the action of respective drive means (4) acting in both directions along a predetermined clamping line (S), in such a way as to join or detach the parts (2, 3) to/from each other; each part (2, 3) of the mold (1) comprises at least one rear outside surface (2p, 3p) and one lateral outside surface (2s, 3s); at least one of the parts (2, 3) is equipped with means (6) for containing and controlling a fluid and encompassing the rear (2p, 3p) and lateral (2s, 3s) outside surfaces of the mold (1) part (2, 3); the containment means (6) are associated with the part (2, 3) of the mold (1) in such a way that during the product casting cycle the forces (SF) acting on the part (2, 3) of the mold (1) are constantly compensated by correlated forces (FR).
摘要:
An installation (100) for the manufacture of ceramic products comprises a mold (1) divided into at least two parts (2, 3) forming an internal cavity (C) where the ceramic product is formed, and mobile towards and away from each other, under the action of respective drive means (4) acting in both directions along a predetermined clamping line (S), in such a way as to join or detach the parts (2, 3) to/from each other; each part (2, 3) of the mold (1) comprises at least one rear outside surface (2p, 3p) and one lateral outside surface (2s, 3s); at least one of the parts (2, 3) is equipped with means (6) for containing and controlling a fluid and encompassing the rear (2p, 3p) and lateral (2s, 3s) outside surfaces of the mold (1) part (2, 3); the containment means (6) are associated with the part (2, 3) of the mold (1) in such a way that during the product casting cycle the forces (SF) acting on the part (2, 3) of the mold (1) are constantly compensated by correlated forces (FR).
摘要:
A unit for picking up ceramic products or the like comprises: a tray (2) associated with a movement unit (3); a sealing gasket (4) located along the perimeter of an operating wall (5) of the tray (2) and designed to work in contact with a surface (S) of the product (M); means (6) for generating a vacuum inside at least one first chamber (7) made by the operating wall (5) with the inside of the tray (2) and being in communication with at least one second chamber (7e) through the operating wall (5) which is permeable; the second chamber (7e) is perimetrically delimited by the gasket (4); vacuum is applied to the opposite and facing surfaces of the wall (5) and of the surface (S) of the product (M), respectively, when the gasket (4) comes into stable contact with the surface (S) in order to pick the product up; a porous interface element (8) permeable to air is located at least on the sealing gasket (4) and forms a surface that is more deformable than the gasket (4) and impermeable to liquids, or hydro repellent, interposed between the gasket (4) and the surface (S) of the product (M) when stable contact is made.
摘要:
A unit for picking up ceramic products or the like comprises: a tray (2) associated with a movement unit (3); a sealing and contact element (4) located at least along the perimeter of an operating wall (5) of the tray (2) and designed to work in contact with a surface (S) of the product (M); means (6) for generating a vacuum inside at least one first chamber (C) made by the operating wall (5) of the tray (2) with the inside of the tray (2) itself and in communication with a second chamber (Ce) through the operating wall (5), which is permeable; the second chamber (Ce) is delimited perimetrically according to the surface (S) of the product (M) in such a way that the above mentioned vacuum is applied to the opposite and facing surfaces of the wall (5) and of the surface (S) of the product (M), respectively, when the element (4) comes into stable contact with the surface (S) in order to pick the product up; the contact and sealing element is composed of a body (4) having controlled porosity, associated with the tray (2) and defining a part of the wall (5); the body (4) constitutes a seal which is applied to a surface (4a) making stable contact with the surface (S) of the product (M) and which is more deformable than the supporting tray (2).
摘要:
Described is a method for reconditioning a tool (1) made of porous material or sponge used to machine sanitaryware (2) or the like, especially ceramic sanitaryware (2), that undergoes finishing processes in a working area (3) of a production plant (4) equipped with a robotic unit (5) for processing the sanitaryware (2). The method comprises at least the following steps: moving the sponge (1), which has the shape of a solid of revolution, from the working area (3) to a non-working sponge (1) reconditioning area (6); rotating the sponge (1) about its axis (Z) using related drive means (7); spraying a cleaning/rinsing liquid on the sponge (1); and squeezing the sponge (1) using rotatable pressure means (8) simultaneously along a plurality of lines substantially transversal to the axis (Z) of the sponge (1) and spaced from each other. The invention also relates to an apparatus that implements this method.