CENTRIFUGATION DEVICE FOR STRAIGHTENING AND ALIGNING PREFORMS

FR3152277A1Pending Publication Date: 2025-02-28SIDEL PARTICIPATIONS SAS
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Patent Information

Application Number
FR2023008915
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-08-24
Publication Date
2025-02-28

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Abstract

The invention relates to a preform alignment and straightening device (10) comprising a centrifuge bowl (20) including: - a central plate (28) rotating about a vertical axis (B); - a peripheral railing (52); - a peripheral gap (56) extending at least along an angular sector (20B) for straightening the preforms (12); characterized in that it comprises an annular peripheral plate (34) mounted to rotate around the central plate (28) independently of the central plate (28), the gap (56) being delimited between the railing (52) and a circular outer edge (26) of the peripheral plate (34). Figure 5.
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Claims

7. Device (10) according to the preceding claim, characterized in that the radial clearance (j) is less than 2 mm, preferably less than 1 mm.

8. Device (10) according to any one of the preceding claims, characterized in that the central plate (28) is driven in rotation by a first motor (32), while the peripheral plate (34) is driven in rotation by a second motor (46).

9. Device (10) according to any one of the preceding claims, characterized in that the peripheral plate (34) is mounted on an orientation ring (38).

10. Device (10) according to any one of the preceding claims, characterized in that the peripheral plate (34) is made of several angular segments (34A, 34B, 34C).

11. Device (10) according to any one of the preceding claims, characterized in that the peripheral plate (34) comprises an inner crown (34-1) and a removable outer crown (34-2) to allow the width of the gap (56) to be adjusted according to the dimensions of the preforms (12) to be straightened.

12. Method for controlling the device (10) according to any one of the preceding claims, characterized in that the speed (VI) of rotation of the central plate (28) is controlled as a function of the centrifugal force required according to the weight of the preforms (12) to be aligned, while the speed (V2) of rotation of the peripheral plate (34) is controlled as a function of the speed of movement required for the preforms (12) around the centrifuge bowl (20). \l^ A 20A [Fig. 5] 6 / n ►T 8 / 12 34

Citation Information

Patent Citations

  • "device for aligning and straightening preforms comprising a bowl of a centrifuge equipped with means for the ejection of misaligned preforms"

    FR3035090A1

  • Full-automatic discharge device for fresh corn cobs

    CN109422083A

  • System and method for orienting objects

    EP2883818B1

  • Device for aligning and righting preforms, comprising a bowl centrifuge equipped with means for ejecting misaligned preforms

    US20180079599A1

  • Object orienting system

    WO2016038634A1