초록 ▼

An aseptic filling machine of envelope-type bags provided with a filling mouth closed by a removable cap, comprising an empty bag supply device, a discharge device configured to discharge full bags, a carousel device on which at least two filling stations are located; each filling station comprising

An aseptic filling machine of envelope-type bags provided with a filling mouth closed by a removable cap, comprising an empty bag supply device, a discharge device configured to discharge full bags, a carousel device on which at least two filling stations are located; each filling station comprising a sterile chamber; a raising device configured to raise the mouth of the empty bag internally of the sterile chamber; an overpressure device configured to place the chamber in slight overpressure; a removal device configured to remove the cap and positioning it by a side of the mouth; and a dispenser-batcher device that is vertically slidable and configured to engage with the mouth.

대표청구항 ▼

1. An aseptic filling machine for envelope-type bags having a filling mouth closed by a removable cap located on a side of the envelope, the filling machine comprising: an empty bag supply device and a removal device to remove the bags when filled;a carousel device equipped with a rotating platform

1. An aseptic filling machine for envelope-type bags having a filling mouth closed by a removable cap located on a side of the envelope, the filling machine comprising: an empty bag supply device and a removal device to remove the bags when filled;a carousel device equipped with a rotating platform having continuous motion on which at least two filling stations are located, said at least two filling stations being circumferentially equidistant, each filling station comprising a rest plane for the bag and a filling group;a feeder and positioning device of the empty bag in a first filling station; anda discharging device of the filled bags from the filling station adjacent the first station,each filling group comprising: a sterile chamber;a raising device configured to raise the mouth of an empty bag lying on the rest plane internally of the sterile chamber;an overpressure device configured to place the sterile chamber in slight overpressure;a removal device configured to remove the cap from the filling mouth and position the cap by a side of the filling mouth, and vice versa, said removal device being placed internally of said sterile chamber; anda dispenser-batcher device that is vertically slidable into the sterile chamber and configured to engage with the filling mouth,wherein the removal device comprises a radial vertical plate that is solidly constrained to the carousel, on which a plate slides vertically, the plate comprising a horizontal shelf that rotatably supports a tubular body in which a coaxial shaft is inserted, a displacement mechanism being provided configured to vertically move the plate, the tubular body being inserted in the underlying sterile chamber, jaws of a first pair of pliers being hinged between the ends of the tubular body and the shaft, and a device being provided configured to rotate, in a coordinated and independent way, the tubular body and the shaft about the axis such as to open and close the first pair of pliers and rotate the tubular body and the shaft by at least 90°. 2. The machine of claim 1, wherein the feeder and positioning device of the bag comprises a second pair of pliers located at an end of a horizontal lever that move between a position in which the second pair of pliers overlie the mouth of a bag exiting from a supply line, and a second position in which the second pair of pliers position the mouth in a correct position on the rest plane of the station. 3. The machine of claim 2, wherein the second pair of pliers comprise two jaws which are arranged spread by 180° when the second pair of pliers are open. 4. The machine of claim 1, further comprising a pad arranged below the rest plane which is activated by a piston-cylinder group such as to rise above the rest plane via an opening therein, coming into contact with the mouth, such as to close the mouth by pushing against the lower side of the bag in order to prevent the slightly pressurised air from the sterile chamber from entering the bag and inflating it before the removable cap is repositioned on the mouth. 5. The machine of claim 1, wherein each filling station comprises a lower rest plane for the bag, comprised of two doors which can be arranged coplanarly and can rotate symmetrically in a downward direction in order to release the bag such that the bag drops. 6. The machine of claim 5, wherein each door is coupled to a roller on an axis of which a crank is keyed, said crank is headed at a stem of a single piston-cylinder group which impresses a symmetrical motion on the doors. 7. The machine of claim 1, wherein the raising device comprises a third pair of pliers that is vertically mobile by action of a piston-cylinder group located by a side of, and supported by, the rest plane. 8. The machine of claim 1, wherein the dispenser-batcher device comprises a cylindrical body that is vertically slidable and inserts into the sterile chamber via a sealed joint, the lower end of the batcher exhibiting an axial hole which is closed by a shutter coaxial with the cylindrical body. 9. The machine of claim 8, wherein the cylindrical body is supported by a bracket headed at a first plate that is vertically mobile with respect to the carousel. 10. The machine of claim 9, wherein the shutter is supported by a shelf at a second plate that is vertically mobile with respect to the first plate. 11. The machine of claim 1, wherein the rest plane of the bag is comprised of two doors that can be arranged coplanarly or can rotate symmetrically downwards, each door being coupled to a roller on the axis of which a crank is keyed, said crank is headed at the stem of a single piston-cylinder group. 12. The machine of claim 1, further comprising a base attached to a lower end of the tubular body, wherein the base supports the first pair of pliers. 13. The machine of claim 1, further comprising: a plate attached to a lower end of the coaxial shaft; anda pair of rods, each rod having a first end attached to the plate and a second end attached to one of the first pair of pliers,wherein the pair of rods operate the first pair of pliers in response to rotation of the coaxial shaft.