Bottom sealing assembly for cup forming machine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B31B-001/90
B31B-001/74
출원번호
US-0979790
(2004-11-02)
발명자
/ 주소
Mannlein,Dean Joseph
Mitchell,James Joseph
출원인 / 주소
Solo Cup Operating Corporation
대리인 / 주소
Wallenstein &
인용정보
피인용 횟수 :
28인용 특허 :
132
초록▼
A bottom sealing workstation is provided for a cup forming machine. The bottom sealing workstation has a linear motion assembly, a rotation assembly, a phase change assembly. A first motor is mechanically connected to a linear motion assembly of the bottom sealing workstation to linearly move the li
A bottom sealing workstation is provided for a cup forming machine. The bottom sealing workstation has a linear motion assembly, a rotation assembly, a phase change assembly. A first motor is mechanically connected to a linear motion assembly of the bottom sealing workstation to linearly move the linear motion assembly toward a mandrel, a second motor is mechanically connected to a rotation assembly of the bottom sealing workstation to rotate a forming tool in a circle having a radius, and a third motor is mechanically connected to the phase change assembly to adjust the radius of the circle in which the forming tool rotates. Additionally, a controller may be electrically connected to the bottom sealing workstation to send electronic signals to the first and third motors to quantitatively control various assemblies of the bottom sealing workstation.
대표청구항▼
What is claimed is: 1. A bottom sealing station for a paper cup forming machine, the bottom sealing station comprising: a mounting assembly secured to the cup forming machine; a linear motion assembly at least partially moveably connected to the mounting assembly; a rotation assembly having a shaf
What is claimed is: 1. A bottom sealing station for a paper cup forming machine, the bottom sealing station comprising: a mounting assembly secured to the cup forming machine; a linear motion assembly at least partially moveably connected to the mounting assembly; a rotation assembly having a shaft and a finishing tool connected to the shaft, wherein the rotation assembly rotates the finishing tool in a circle having a first radius; and, an adjustable phase change assembly operably connected to the shaft, the phase change assembly manipulating the shaft to have the finishing tool rotate in a circle having an adjustable second radius, the second radius being larger than the first radius, the phase change assembly operating independent of the linear motion assembly. 2. The bottom sealing station of claim 1, wherein the linear motion assembly is slidingly connected to the mounting assembly to move inward and outward toward a partially formed cup on an adjacent mandrel. 3. The bottom sealing station of claim 1, wherein the rotation assembly has a barrel that rotates about a central axis of the barrel, the barrel further having an offset bore that has a central axis that is not concentric with the central axis of the barrel, and wherein the shaft is partially seated within the offset bore of the barrel and rotates in a circle radially outward from the central axis of the barrel. 4. The bottom sealing station of claim 3, wherein the barrel is rotatably connected to the linear motion assembly, and wherein the barrel moves laterally with the linear motion assembly. 5. The bottom sealing station of claim 3, wherein the barrel has a first hub and a second hub concentric with the central axis of the barrel, the first and second hubs being rotatably secured to mounting members of the linear motion assembly, and wherein the barrel rotates about the first and second hubs. 6. The bottom sealing station of claim 3, wherein the rotation assembly further has a second motor mechanically connected to the barrel to rotate the barrel about its central axis. 7. The bottom sealing station of claim 6, wherein the second motor rotates the barrel at a generally constant rate of revolution. 8. The bottom sealing station of claim 1, wherein the shaft has a main portion having a central longitudinal axis, and an offset stub portion at an end of the shaft that has a longitudinal axis that is offset from the central longitudinal axis of the shaft, and wherein the sealing tool is connected to the offset stub portion of the shaft. 9. The bottom sealing station of claim 1, further comprising a tracking assembly connected to the rotation assembly to develop a signal of the position of the rotation assembly, the signal being transmitted to the phase change assembly to control the operation thereof. 10. The bottom sealing station of claim 9, wherein the tracking assembly has an encoder geared to the barrel at a one to one ratio with the barrel. 11. The bottom sealing station of claim 1, further comprising a first motor in association with the linear motion assembly to linearly move the linear motion assembly, a second motor in association with the rotation assembly to rotate a supporting component for the shaft, and a third motor in association with the phase change assembly to selectively spin the shaft. 12. The bottom sealing station of claim 1, wherein the linear motion assembly further has a first motor to linearly move the linear motion assembly inward and outward with respect to an adjacent mandrel. 13. The bottom sealing station of claim 12, further comprising a drive fork mechanically connected to a drive shaft driven by the first motor, and a cam follower extending from the linear motion assembly and in association with the drive fork, wherein the cam follower assists in moving the linear motion assembly linearly as the drive fork rotates. 14. The bottom sealing station of claim 12, wherein the first motor is a servo motor that is electronically connected to an output for a main controller, and wherein the bottom forming lateral motor receives a drive profile signal from the main controller. 15. The bottom sealing station of claim 14, wherein the first motor is also electronically connected to an output for a main drive of the cup forming machine, and wherein the main drive sends a signal to the first motor to initiate the drive profile. 16. The bottom sealing station of claim 1, wherein the phase change assembly further has a third motor mechanically connected to the shaft to selectively spin the shaft to adjust the second radius of the circle in which the forming tool rotates. 17. The bottom sealing station of claim 16, further comprising a first gear connected to the shaft, and a second gear driven by the third motor, wherein the rotational velocity of the second gear operates to perform a phase change on the shaft relative to the barrel to adjust the radius of the circle in which the forming tool rotates. 18. The bottom sealing station of claim 1, wherein the phase change assembly has a first rotating member mechanically connected to the shaft to selectively spin the shaft at increased velocities to adjust the radius of the circle in which the forming tool rotates. 19. The bottom sealing station of claim 1, further comprising a controller electrically connected to a motor for the phase change assembly, the controller allowing an operator to adjust the second radius. 20. The bottom sealing station of claim 1, further comprising a controller electrically connected to the linear motion assembly to control an extended and retracted position of the linear motion assembly. 21. A bottom sealing station for a paper cup forming machine, the bottom sealing station comprising: a rotatable barrel having an axial centerline about which the barrel rotates, the barrel further having a bore extending from a first end of the barrel to a second end of the barrel, the bore being radially offset from the axial centerline of the barrel; a shaft having a first end, a second end and a central longitudinal axis; an offset stub at the second end of the shaft, the offset stub having a longitudinal axis that is radially offset from the central longitudinal axis of the shaft and from the axial centerline of the barrel; a finishing tool connected to the offset stub; and, a separate phase change motor mechanically connected to the shaft to spin the shaft and adjust the radial offset between the longitudinal axis of the offset stub and axial centerline of the barrel. 22. The bottom sealing station of claim 21, wherein the bore has a central axis, and wherein the central axis of the offset bore is offset at least 0.125" from the axial centerline of the barrel. 23. The bottom sealing station of claim 21, further comprising a gear assembly mating the phase change motor and the shaft for spinning the shaft to modify a radius of rotation of the finishing tool. 24. The bottom sealing station of claim 23, wherein the gear assembly comprises a ring gear mechanically connected to the phase change motor, and a planetary gear connected to the shaft. 25. The bottom sealing station of claim 21, further comprising another motor connected to the barrel for rotating the barrel at a substantially constant rate of revolution to move the shaft in a circle. 26. The bottom sealing station of claim 21, further comprising a slide assembly, the barrel being rotatably secured to the slide assembly and linearly moveable with the slide assembly for moving the barrel, shaft and finishing tool toward a partially formed cup on a mandrel. 27. The bottom sealing station of claim 26, further comprising another motor connected to the slide assembly to linearly move the slide assembly. 28. A bottom sealing station for a paper cup forming machine, the bottom sealing station comprising: a forming tool rotating in a circle having a first radius, the forming tool being adapted to be moved to rotate in a circle having a second radius that is larger than the first radius, and a controller operably connected to the forming tool to electronically provide for electronically adjusting the second radius. 29. The bottom sealing station of claim 28, further comprising a phase change motor mechanically connected to the forming tool and electrically connected to the controller, the controller sending an electronic signal to the phase change motor to set the second radius. 30. The bottom sealing station of claim 28, further comprising a linear motion assembly having a linear motion motor, the forming tool moving with the linear motion assembly, and the controller electrically connected to the linear motion motor to control an extended and retracted position of the linear motion assembly. 31. A bottom sealing station for a paper cup forming machine, the bottom sealing station comprising: a linear motion assembly, a forming tool adapted to be rotated in a circle, and a controller electrically connected to the linear motion assembly, wherein the linear motion assembly moves the forming tool between an extended position and a retracted position, and wherein the controller electronically adjusts the extended and retracted positions of the forming tool. 32. The bottom sealing station of claim 31, further comprising a linear motion motor to move the linear motion assembly, the linear motion motor being electrically connected to the controller, wherein the controller is adapted to send electronic signals to the linear motion motor to set the extended and retracted positions of the forming tool. 33. A bottom sealing workstation for a cup forming machine having a main turret and a plurality of mandrels thereon arranged to interact with a plurality of workstations, each mandrel being configured to receive a sidewall blank and a bottom blank that are subsequently manipulated at a plurality of workstations to form a cup, the bottom finishing workstation comprising: a first motor mechanically connected to a linear motion assembly of the bottom sealing workstation to linearly move the linear motion assembly toward a mandrel; a second motor mechanically connected to a rotation assembly of the bottom sealing workstation to rotate a forming tool in a circle having a radius; and, a third motor mechanically connected to the forming tool to adjust the radius of the circle in which the forming tool rotates to any of a variety of radii. 34. The bottom finishing workstation of claim 33, further comprising a controller electrically connected to the first and third motors, the controller adapted to send electronic signals to the first and third motors to adjust a motion profile of the first and third motors.
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