Providing a cutting area with web-like interleaver material

Patent metadata

Field	Value
Publication number	US-10751900-B2
Application number	US-201816025655-A
Country	US
Kind code	B2
Filing date	Jul 2, 2018
Priority date	Jul 3, 2017
Publication date	Aug 25, 2020
Grant date	Aug 25, 2020

Abstract

The invention relates to an apparatus for a multitrack provision of web-like interleaved sheet material at a cutting region in which products supplied on multiple tracks are simultaneously cut into slices and interleaved sheets are introduced which are cut off from the provided interleaved sheet material in the cutting region, having a material store which comprises a rotatably supported material roll for each track; and having a removal device which is configured for a rolling off of material webs individually per track from the material rolls.

First claim

The invention claimed is:

1. An apparatus for a multitrack provision of web-like interleaved sheet material at a cutting region in which products supplied on multiple tracks are simultaneously cut into slices and interleaved sheets are introduced which are cut off from the provided interleaved sheet material in the cutting region, the apparatus comprising:
a material store which comprises a rotatably supported material roll for each track;
a core in each of the multiple tracks, wherein a first part of the interleaved sheet material is wound around each core to form the respective material roll; and
a removal device for a rolling off of material webs individually per track from the material rolls, the removal device comprising:
a respective roll-off drive for each track, each respective roll-off drive comprising a drive member rotated by the roll-off drive, the drive member in form-fitted engagement or force-transmitting engagement with the respective material roll in an active state to roll off the interleaved sheet material from the material roll, the interleaved sheet material solely supported by the core and supported independently from the drive member.

2. An apparatus in accordance with claim 1 , wherein the roll-off drives are each configured as friction drives which are in frictional engagement with the wound material web in an active state.

3. An apparatus in accordance with claim 2 , wherein the friction drives are controllable such that they remain in frictional engagement with the wound material web after a transition from a driving state into a non-driving state.

4. An apparatus in accordance with claim 2 , wherein the friction drive comprises a friction wheel, an arrangement of a plurality of friction wheels or at least one revolving friction belt whose one run cooperates with the wound material web.

5. An apparatus in accordance with claim 1 , wherein the roll-off drive can be changed into a passive state in which the roll-off drive is out of engagement with the wound material web.

6. An apparatus in accordance with claim 1 , wherein the roll-off drive comprises a pivotable drive arm, or wherein the roll-off drive comprises a pivotable drive arm having a pivot axis, the pivot axis of the drive arm coinciding with an axis of rotation of a drive shaft for a drive member of the drive arm.

7. An apparatus in accordance with claim 6 , wherein pivot axes offset in parallel from one another are provided for the drive arms of the individual tracks.

8. An apparatus in accordance with claim 6 , wherein the material rolls of the individual tracks are rotatably supported about a common axis of rotation and the pivot axes of the drive arms are disposed on a circle about the common axis of rotation.

9. An apparatus in accordance with claim 6 , wherein the drive arms of the individual tracks are combined pair-wise or group-wise and a common pivot axis is provided for each pair or for each group.

10. An apparatus in accordance with claim 6 , wherein the drive arms of the individual tracks are combined pair-wise or group-wise and a coaxial shaft drive is provided for each pair or for each group and comprises a plurality of drive shafts which are disposed coaxially in one another and which are associated with a respective one of the drive arms.

11. An apparatus in accordance with claim 6 , wherein all of the drive arms can be pushed onto their respective drive shaft from the same side of the apparatus for assembly or dismantling.

12. An apparatus in accordance with claim 6 , wherein a pivot drive which comprises a piston-in-cylinder arrangement is provided for each drive arm.

13. An apparatus in accordance with claim 1 , wherein a belt drive comprising a drive motor arranged offset from a drive shaft is provided for each roll-off drive.

14. An apparatus in accordance with claim 1 , wherein the roll-off rates of the individual material webs can be changed by changing the drive speed of the roll-off drive when the respective roll-off drive remains in engagement with the material roll or with the wound material web.

15. An apparatus in accordance with claim 1 , wherein the removal of the individual material webs is controllable by an internal or external control device by an operation of the individual roll-off drives individually per track.

16. An apparatus in accordance with claim 1 , wherein a conveying device is provided which comprises a common drive for all the material webs and a separate clutch for each material web.

17. An apparatus in accordance with claim 16 , wherein the clutch is a clutch which engages automatically in dependence on force or on torque.

18. An apparatus in accordance with claim 16 , wherein the drive comprises a common drive shaft for all the material webs and, at the drive shaft, a separate conveying roller for each material web, with a clutch being respectively active between the conveying rollers and the drive shaft.

19. An apparatus in accordance with claim 16 , wherein the clutch can be set to different threshold values for the force transmission or for the torque transmission.

20. An apparatus in accordance with claim 16 , wherein the conveying rate of the drive is coordinated with the rolling off such that all the material webs are always held under tension.

21. An apparatus in accordance with claim 16 , wherein a constant value is predefined or predefinable for the conveying rate of the drive, or wherein a constant value is predefined or predefinable for the conveying rate of the drive, the constant value being larger than the largest roll-off rate expected for the respective application.

22. An apparatus in accordance with claim 16 , wherein the conveying rate of the drive is variable in time and is in this respect settable in dependence on a measure which can be derived from one or more of the roll-off rates.

23. An apparatus in accordance with claim 16 , wherein the drive of the conveying device can be switched off when no roll-off drive is located in a driving state any longer and can be switched back on as soon as at least one roll-off drive transitions back into a driving state.

24. An apparatus in accordance with claim 16 , wherein the drive of the conveying device is controllable by an internal or external control device in dependence on the roll-off rates of the individual material webs in order to change the conveying rate.

25. An apparatus for a multitrack slicing of food products comprising:
a product feed which simultaneously supplies a plurality of products to be sliced to a cutting region in which a cutting blade moves in a rotating and/or revolving manner to simultaneously cut the supplied products into slices;
an apparatus for the multitrack provision of web-like interleaved sheet material at the cutting region in which products supplied on multiple tracks are simultaneously cut into slices and interleaved sheets are introduced which are cut off from the provided interleaved sheet material in the cutting region;
a material store which comprises a respective rotatably supported material roll for each track;
or a material store which comprises a common rotatably supported material roll for at least two tracks, with a device for dividing the material web into a plurality of individual material webs being provided for the material web of the common material roll;
a first part of the interleaved sheet material wound around a core to form the respective material roll; and
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Assignees

• Weber Maschb Gmbh

Inventors

• Einloft-Velte Tobias
• Nispel Thomas
• Ritzen Noël

Classifications

• B26D7/32

  for conveying or stacking cut product (means for removing cut-out material or waste B26D7/18) · CPC title

• B26D7/27

  Means for performing other operations combined with cutting (B26D9/00 takes precedence) · CPC title

• B26D7/325 Primary

  stacking the cut product individually separated by separator elements · CPC title

• B26D2210/02

  for cutting food products, e.g. food slicers · CPC title

• B26D1/12

  having a cutting member moving about an axis (B26D1/547 takes precedence; cup or like cutting members B26D1/44) · CPC title