A capper used for a great variety of containers and comprising a container carrier, which is adapted to be driven by a capper drive motor for transporting the containers on a lower part, and an upper part, which carries at least one closing element and which is also adapted to be driven by the cappe
A capper used for a great variety of containers and comprising a container carrier, which is adapted to be driven by a capper drive motor for transporting the containers on a lower part, and an upper part, which carries at least one closing element and which is also adapted to be driven by the capper drive motor, the upper part being vertically adjustable relative to the lower part at least for adaptation to different container heights, and where the upper part is vertically adjusted by the capper drive motor, and that a clutch system is provided, which is adapted to be selectively switched between a drive function and an upper-part height adjustment function.
대표청구항▼
1. A capper for containers, comprising a container carrier, which is adapted to be driven by a capper drive motor for transporting the containers on a lower part of the capper, and an upper part of the capper, which upper part carries at least one closing element and which is also adapted to be driv
1. A capper for containers, comprising a container carrier, which is adapted to be driven by a capper drive motor for transporting the containers on a lower part of the capper, and an upper part of the capper, which upper part carries at least one closing element and which is also adapted to be driven by the capper drive motor, the upper part being adjustable in height relative to the lower part at least for adaptation to different container heights, wherein the upper part of the capper is adjustable in height by means of the capper drive motor via a clutch system which is adapted to be selectively switched between a lower part and an upper part drive function and an upper-part height adjustment function. 2. A capper according to claim 1, wherein the capper drive motor is a servo-drive motor arranged in a table carrying the lower part. 3. A capper according to claim 1, wherein with the clutch system selectively switched to the upper-part height adjustment function, the upper part is vertically adjustable relative to the lower part until it is rotationally decoupled from the capper drive motor. 4. A capper according to claim 1, wherein the upper part and the lower part have provided between them a hollow shaft, which is provided with a female thread and which is vertically adjustable relative to the lower part in an outer shaft connected to the container carrier, and a threaded spindle, which is disposed in the interior of the hollow shaft and rotationally connected to the capper drive motor and which is provided with a male thread that is in mesh with the female thread, and that, when the upper-part height adjustment function is activated, the threaded spindle is adapted to be rotated relative to the hollow shaft by means of the capper drive motor and vertically adjusts the hollow shaft with the upper part relative to the outer shaft. 5. A capper according to claim 4, wherein the clutch system comprises a hollow spline shaft, which is provided on a drive shaft with a taper key structure connected to the capper drive motor and the threaded spindle and which is adapted to be linearly adjusted in the interior of an outer tube, which is connected to the container carrier, on the drive shaft between positions corresponding to the drive function and the upper-part height adjustment function, and a gear coupling provided between the hollow spline shaft and the outer tube, the gear coupling being adapted to be engaged and disengaged through the linear displacement of the hollow spline shaft and being adapted to be used for selectively establishing a rotary connection between the hollow spline shaft and the outer tube. 6. A capper according to claim 5, wherein the gear coupling is spring-biased into the position of engagement. 7. A capper according to claim 6, wherein the spring-bias is caused by springs provided between the hollow spline shaft and a rotary bearing of the drive shaft in the outer tube. 8. A capper according to claim 5, wherein the gear coupling is adapted to be disengaged directly or indirectly by a remotely controllable actuator. 9. A capper according to claim 8, the drive shaft extends down-wards through the capper drive motor, that the operating shaft exits the free drive shaft end and is operatively connected to the pneumatic cylinder, and that the operating shaft has arranged thereon a safety disk for height position sensing of the hollow spline shaft and of the gear coupling and of the upper part, respectively. 10. A capper according to claim 9, wherein, in an area between the free drive shaft end and the pneumatic cylinder, a safety pin for the detent coupling as well as initiators used for gear-coupling and/or height-adjustment monitoring are positioned. 11. A capper according to claim 10, wherein the area is encapsulated. 12. A capper according to claim 8, wherein the remotely controllable actuator is a pneumatic cylinder. 13. A capper according to claim 12, wherein the gear coupling is disengageable indirectly by means of an operating shaft, which is linearly displaceable by the pneumatic cylinder and which is displaceably arranged in the drive shaft and coupled to the hollow spline shaft. 14. A capper according to claim 13, wherein the operating shaft and the hollow spline shaft have provided between them a selectively releasable detent coupling. 15. A capper according to claim 14, wherein the detent coupling is provided with locking entrainers which are arranged on the operating shaft and which are adapted to be inserted in a star-shaped mode into engagement recesses of the hollow spline shaft through windows of the drive shaft, the locking entrainers being retractable into the windows by means of a partial rotational movement of the operating shaft relative to the drive shaft. 16. A capper according to claim 15, wherein the locking entrainers are retractable under spring force. 17. A capper according to claim 4, wherein the upper part is rotationally connected at least to the outer shaft via a plurality of circumferentially distributed rotation-prevention pins which are displaceable parallel to the capper axis, and that the rotary connection can be released by an excess vertical adjustment of the upper part until the upper part is rotationally decoupled from the capper drive motor. 18. A capper according to claim 17, and wherein a rotary bearing is provided between the hollow shaft and the upper part. 19. A capper according to claim 17, and wherein an anti-rotation device is provided between the hollow shaft and the outer shaft. 20. A capper according to claim 1, and a selectively operable locking brake is provided for the rotationally driveable upper part. 21. A capper according to claim 20, wherein the locking brake is one of mechanically, pneumatically or magnetically operated. 22. A capper according to claim 20, and wherein the locking brake is provided between a clamping disk of the upper part (O) and a non-rotatably supported cover disk. 23. A capper according to claim 1, wherein the upper part and a torque support, which is fixedly secured to the capper and which extends parallel thereto, have provided between them a selectively operable clamping device, which is adapted to be displaced along the torque support and which can be used for fixing in position the upper part on a selected height level as well as for fixing in position on the torque support a cover disk, which has attached thereto a capper guide path and which is to be non-rotatably supported when the capper is in operation. 24. A capper according to claim 23, wherein the clamping device is pneumatically operated. 25. A capper according to claim 1, wherein height adjustments of the upper part can be executed in an automated mode via a control device. 26. A capper according to claim 25, and wherein the execution in an automated mode is with due regard to sort parameters of one of containers, caps, closing element types, or a combination thereof, and the sort parameters are retrievably stored in the control device or inputted therein.
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이 특허에 인용된 특허 (15)
Bankuty Geza E. (Bradenton FL) Perazzo Nicholas J. (Bradenton FL), Apparatus for rotating cylindrical caps onto containers.
Vander Bush ; Jr. Edward F. (Downingtown PA) Mathy ; Jr. John M. (Belcamp MD) Miller ; Jr. Lehew W. (Richmond VA) Anderson James L. (Chesterfield VA), Constant speed spindles for rotary capping machine.
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