A machine for making single use capsules (1) for extract or infusion beverages includes: a transport element (8) for transporting rigid containers (2) and being closed in a loop around movement apparatus (9); a feeding station (11) for feeding the rigid containers (2) into respective pockets (10) of
A machine for making single use capsules (1) for extract or infusion beverages includes: a transport element (8) for transporting rigid containers (2) and being closed in a loop around movement apparatus (9); a feeding station (11) for feeding the rigid containers (2) into respective pockets (10) of the transport element (8); a dosing station (12) for dosing the product into the rigid container (2); a closing station (13) for closing the rigid container (2) with a piece of sheet (7); an outfeed station (14). The closing station (13) includes a unit (500) for preparing and feeding single pieces of sealing sheet (7) correlated with the shape of the upper aperture (4) of the rigid container (2); transfer apparatus (17) by which individual pieces of sealing sheet (7) are withdrawn sequentially and continuously from the preparing and feeding unit (500) and by which the selfsame pieces (7) are transported and delivered to a sealing wheel (19) adapted to seal the piece of sealing sheet (7) to the rigid container (2).
대표청구항▼
1. A beverage capsule machine for making single use capsules (1) for extract or infusion beverages, each capsule comprising a rigid, cup-shaped container (2) having a bottom (3) and an upper aperture (4) provided with a rim (5), a dose (6) of extract or infusion product contained inside the rigid co
1. A beverage capsule machine for making single use capsules (1) for extract or infusion beverages, each capsule comprising a rigid, cup-shaped container (2) having a bottom (3) and an upper aperture (4) provided with a rim (5), a dose (6) of extract or infusion product contained inside the rigid container (2) and a piece of sealing sheet (7) for closing the upper aperture (4) of the rigid container (2), the machine comprising: a transport element (8) for transporting the rigid containers (2) along a feed path (P) closed in a loop; the transport element (8) being configured to define a plurality of pockets (10) for receiving the rigid containers (2) and which are positioned one after the other, in sequence, each having a respective vertical axis (Z10); a plurality of stations which are positioned along the feed path (P) followed by the transport element (8) and which are configured for operating in phase with the same transport element (8) and comprising: a feeding station (11) for feeding the rigid containers (2) into respective pockets (10) of the transport element (8); a dosing station (12) for filling a dose (6) of product into the rigid container (2); a closing station (13) for closing the upper aperture (4) of the rigid container (2) with the piece of sealing sheet (7); and an outfeed station (14) which withdraws the formed capsules (1) from the transport element (8); wherein the closing station (13) comprises at least: a unit (500) for preparing and feeding single pieces of sealing sheet (7) correlated with the shape of the upper aperture (4) of the rigid container (2);a sealing wheel (19) for sealing the piece of sealing sheet (7) to the rigid container (2), said sealing wheel being rotatable continuously about a first vertical axis (Z19) along a rotational path and being provided with a plurality of pickup elements (18) and a plurality of sealing units (20) around its circumference;transfer means (17) by which individual pieces of sealing sheet (7) are withdrawn sequentially and continuously from the preparing and feeding unit (500) and by which the pieces of sealing sheet (7) are transported and delivered to the corresponding pickup element (18) of the sealing wheel;the pickup elements (18) and the sealing units (20) on the sealing wheel (19) being configured to be placed simultaneously, in phase coordination, in proximity to the rigid container (2) on the transport element (8) in such a way as to join and seal the piece of sealing sheet (7) to the rigid container (2) along a stretch of the feed path (P) of the transport element (8) comprising a stretch (T19), of the rotational path of the sealing wheel (19) in phase synchrony with the transport element (8) itself, and wherein the transfer means (17) comprise a carousel (26) which rotates about a second vertical axis (Z26) and which is equipped with a plurality of arms (27) protruding radially from the carousel (26) itself; each arm (27) having, at a free end of it, a suction head (28) for picking up the piece of sealing sheet (7) from the preparing and feeding unit (500) along a first horizontal plane, and delivering the piece of sealing sheet (7) to a corresponding pickup element (18) along a second horizontal plane. 2. The machine according to claim 1, wherein each arm (27) of the carousel (26) has a rear support (29) connected to the carousel (26) and defining a vertical axis of rotation (F29) about which a rod (30) joined to the suction head (28) rotates; the carousel (26) comprising means (31) for varying an angular position of each arm (27) relative to a preceding or following arm (27) on the carousel (26) and as a function of the position of the arm (27) relative to the preparing and feeding unit (500) and to the sealing wheel (19). 3. The machine according to claim 2, wherein each arm (27) comprises the rod (30) by which the suction head (28) is joined to the rear support (29) of the arm (27); the joining rod (30) being configured to move in both directions along a longitudinal axis of extension (X27) of the arm (27) in order to vary the position of the suction head (28) relative to the preparing and feeding unit (500) and to the sealing wheel (19). 4. The machine according to claim 1, wherein each suction head (28) is connected to the corresponding arm (27) in such a way as to rotate about an axis (X27) of longitudinal extension of the arm (27) to pick up from above the piece of sealing sheet (7) at a predetermined point of tangency between the suction head (28) itself and a cylindrical counter knife (22) and to deliver from the bottom up the piece of sealing sheet (7) to the corresponding pickup element (18) after a rotation of the suction head (28) through an angle (α) about the axis (X27) of longitudinal extension. 5. The machine according to claim 1, wherein the sealing wheel (19) comprises an upper part (19a) and a lower part (19b) facing each other and rotating about the first vertical axis (Z19); the upper part (19a) and the lower part (19b) defining between them a free space (19c) allowing access to the suction heads (28) and to the transport element (8) along corresponding stretches of circular path that do not interfere with each other. 6. The machine according to claim 5, wherein each pickup element (18) of the sealing wheel (19) is positioned inside a corresponding sealing element (32) equipped with a sealing head (33); the upper part (19a) comprising movement means (34) for moving the pickup element (18) between a first, lowered operating position where the piece (7) of sealing sheet is picked up by the suction head (28) and the pickup element (18) protrudes from the sealing element (32), and a second, raised operating position where the piece (7) of sealing sheet is attached to the rim (5) of the rigid container (2) and the pickup element (18) is inside the sealing element (32) and coplanar with the sealing head (33). 7. The machine according to claim 5, wherein the lower part (19b) comprises a plurality of vertical rods (34) positioned to face corresponding pickup elements (18); each rod (34) having an end plate (35) for supporting at a height, the bottom (3) of the rigid container (2) for at least the stretch (T19) of the path followed by the rigid container (2) to come into contact with a corresponding sealing head (33). 8. The machine according to claim 1, wherein the plurality of pickup elements (18) on the sealing wheel (19) are equally spaced along an underside surface of an upper part (19a) and facing a lower part (19b). 9. The machine according to claim 1, wherein each of the pockets (10) of the transport element (8) is divided into a first, fixed portion and a second portion (10a) movable axially along the axis (Z10) of extension of the pocket (10) and adapted to contain the rigid container (2), a lower part (19b) of the sealing wheel (19) comprising a plurality of vertical rods (34) positioned to face corresponding pickup elements (18); each rod (34) having an end plate (35) for supporting at a height a corresponding second portion (10a) of the pocket (10) of the transport element (8) for at least the stretch (T19) of the path followed by the rigid container (2) to come into contact with a corresponding sealing head (33). 10. The machine according to claim 1, comprising a control unit (36) for controlling in phase the transfer means (17) and the sealing wheel (19). 11. The machine according to claim 1, wherein the preparing and feeding unit comprises a cutting unit (15) by which single pieces of sealing sheet (7) are continuously cut and separated from a continuous web (16); the cutting unit (15) being configured to cut and separate single pieces of sealing sheet (7) correlated with the shape of the upper aperture (4) of the rigid container (2). 12. The machine according to claim 11, wherein the cutting unit (15) comprises a cylindrical knife (21) and a cylindrical counter knife (22) rotating about respective horizontal axes (X21, X22), parallel to each other and configured to form a sequence of pieces of sealing sheet (7) at a first operating speed (V1); the counter knife (22) comprising suction means (23) located circumferentially on a radial surface and acting in such a way as to hold the piece of sealing sheet (7) until reaching an upper pickup zone where the piece of sealing sheet (7) is picked up by the transfer means (17). 13. The machine according to claim 12, wherein on opposite sides of the knife (21) and counter knife (22), there are idler rollers (24, 25) for deflecting the continuous web (16) to make the continuous web (16) follow a non-rectilinear path so that a portion of the continuous web (16) is always wound around an arcuate stretch of the cylindrical counter knife (22) causing the piece of sealing sheet (7) to adhere to the counter knife (22) itself. 14. The machine according to claim 11, comprising a control unit (36) connected to the cutting unit (15) and to the sealing wheel (19) to drive the cutting unit (15) and the sealing wheel (19) at, respectively, a first operating speed (V1) and a second operating speed (V2) which are different from each other. 15. The machine according to claim 11, wherein the pockets (10) are located along the transport element (8) according to a first spacing and the cutting unit (15) cuts and separates single pieces of sealing sheet (7) continuously according to a second spacing. 16. The machine according to claim 1, wherein the preparing and feeding unit comprises a magazine (15a) for slidably containing a stack (16a) of single pieces of sealing sheet (7), the transfer means (17) being adapted to withdraw individual pieces of sealing sheet (7) sequentially and continuously from the magazine (15) and to transport and deliver the pieces of sealing sheet (7) to the corresponding pickup element (18). 17. A beverage capsule machine for making single use capsules (1) for extract or infusion beverages, each capsule comprising a rigid, cup-shaped container (2) having a bottom (3) and an upper aperture (4) provided with a rim (5), a dose (6) of extract or infusion product contained inside the rigid container (2) and a piece of sealing sheet (7) for closing the upper aperture (4) of the rigid container (2), the machine comprising: a transport element (8) for transporting the rigid containers (2) along a feed path (P) closed in a loop; the transport element (8) being configured to define a plurality of pockets (10) for receiving the rigid containers (2) and which are positioned one after the other, in sequence, each having a respective vertical axis (Z10); a plurality of stations which are positioned along the feed path (P) followed by the transport element (8) and which are configured for operating in phase with the same transport element (8) and comprising: a feeding station (11) for feeding the rigid containers (2) into respective pockets (10) of the transport element (8); a dosing station (12) for filling a dose (6) of product into the rigid container (2); a closing station (13) for closing the upper aperture (4) of the rigid container (2) with the piece of sealing sheet (7); and an outfeed station (14) which withdraws the formed capsules (1) from the transport element (8); wherein the closing station (13) comprises at least: a unit (500) for preparing and feeding single pieces of sealing sheet (7) correlated with the shape of the upper aperture (4) of the rigid container (2);a sealing wheel (19) for sealing the piece of sealing sheet (7) to the rigid container (2), said sealing wheel being rotatable continuously about a first vertical axis (Z19) along a rotational path and being provided with a plurality of pickup elements (18) and a plurality of sealing units (20) around its circumference;transfer means (17) by which individual pieces of sealing sheet (7) are withdrawn sequentially and continuously from the preparing and feeding unit (500) and by which the pieces of sealing sheet (7) are transported and delivered to the corresponding pickup element (18) of the sealing wheel;the pickup elements (18) and the sealing units (20) on the sealing wheel (19) being configured to be placed simultaneously, in phase coordination, in proximity to the rigid container (2) on the transport element (8) in such a way as to join and seal the piece of sealing sheet (7) to the rigid container (2) along a stretch of the feed path (P) of the transport element (8) comprising a stretch (T19), of the rotational path of the sealing wheel (19) in phase synchrony with the transport element (8) itself; and whereinthe preparing and feeding unit comprises a cutting unit (15) by which single pieces of sealing sheet (7) are continuously cut and separated from a continuous web (16); the cutting unit (15) being configured to cut and separate single pieces of sealing sheet (7) correlated with the shape of the upper aperture (4) of the rigid container (2); and whereinthe cutting unit (15) comprises a cylindrical knife (21) and a cylindrical counter knife (22) rotating about respective horizontal axes (X21, X22), parallel to each other and configured to form a sequence of pieces of sealing sheet (7) at a first operating speed (V1); the counter knife (22) comprising suction means (23) located circumferentially on a radial surface and acting in such a way as to hold the piece of sealing sheet (7) until reaching an upper pickup zone where the piece of sealing sheet (7) is picked up by the transfer means (17).
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이 특허에 인용된 특허 (15)
Bankuty Geza E. ; Perazzo Nicholas J., Apparatus and method for pre-capping containers.
Luc, Michel; Gandon, Bernard; Pacilly, Daniel, Apparatus for cutting a row of capsules from a capsule strip and for fixing them on a row of filled receptacles.
Binacchi Fabio (Via G. Mercalli ; 16/A 43100 Parma ITX), Apparatus for making, starting from a continuous film, coffee round or not round coffee wafers, for espresso-coffee maki.
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