Providing a cutting area with web-like interleaver material

Patent metadata

Field	Value
Publication number	US-11338462-B2
Application number	US-202016881829-A
Country	US
Kind code	B2
Filing date	May 22, 2020
Priority date	Jul 3, 2017
Publication date	May 24, 2022
Grant date	May 24, 2022

Abstract

An apparatus for a single-track or multitrack provision of web-like interleaved sheet material at a cutting region in which products supplied on one track or on multiple tracks are cut into slices and interleaved sheets are introduced which are cut off from the provided interleaved sheet material in the cutting region, comprising an output device which is configured to eject at least one material web into the cutting region, wherein the output device comprises at least one driven feed roll and at least one counter-unit which forms a feed gap for the material web together with the feed roll.

First claim

The invention claimed is:

1. An apparatus for a single-track or multitrack provision of web-like interleaved sheet material at a cutting region in which products supplied on one track or on multiple tracks are 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 an output device which is configured to eject at least one material web into an ejection region,
the output device comprising at least one driven feed roll and at least one counter-unit which defines a feed gap with the at least one driven feed roll for the material web,
the output device configured to generate a compressed air flow to influence the ejected material web and comprising at least one outlet opening for the compressed air flow to pass out,
the at least one outlet opening connected to a compressed air source via a supply line,
the supply line provided with a controllable valve,
wherein an internal or external control device is provided to control the controllable valve, wherein the strength of the air flow released through the at least one opening is variable in time by controlling the controllable valve accordingly.

2. The apparatus in accordance with claim 1 , wherein the duration of the ejection of the material web into the ejection region defines a time window corresponding to an interleaved sheet, wherein the strength of the air flow released through the at least one opening is variable in time during the time window corresponding to an interleaved sheet by controlling the controllable valve.

3. The apparatus in accordance with claim 1 , wherein the output device comprises at least two outlet openings for the compressed air flow to pass out, wherein the at least two outlet openings are distributed transversely to the material web ejected into the ejection region, wherein each of the at least two outlet openings is connected to the compressed air source via a respective supply line that is provided with a respective controllable valve, wherein the internal or external control device is configured to control the controllable valves individually.

4. The apparatus in accordance with claim 1 , wherein the output device is configured to eject material webs on multiple tracks and comprises at least one outlet opening per track for the compressed air flow to pass out, each of the outlet openings connected to the compressed air source via a respective supply line that is provided with a respective controllable valve, wherein the internal or external control device is configured to control the controllable valves individually.

5. The apparatus in accordance with claim 1 , wherein the output device comprises at least two outlet openings for each track, the at least two outlet openings distributed transversely to the material web ejected into the ejection region, wherein each of the at least two outlet openings is connected to the compressed air source via a respective supply line that is provided with a respective controllable valve, wherein the internal or external control device is configured to individually control the controllable valves.

6. The apparatus in accordance with claim 1 , wherein an adjustment device is provided to control the compressed air flow.

7. The apparatus in accordance with claim 6 , wherein the adjustment device is active at a compressed air outlet of the output device.

8. The apparatus in accordance with claim 1 , wherein the compressed air flow can be automatically configured in dependence on a respective application or can be manually configured.

9. The apparatus in accordance with claim 1 , wherein the internal or external control device is configured to coordinate the ejection of the material web and the generation of the compressed air flow.

10. The apparatus in accordance with claim 1 , wherein the output device comprises a stationary mount at which at least the counter-unit and a feed unit that supports the at least one driven feed roll are detachably mounted, wherein the order in which the detached counter-unit and the detached feed unit are mountable on the stationary mount is predefined.

11. The apparatus in accordance with claim 10 , wherein a cutting edge is provided that is detachably mounted on the stationary mount, wherein the order at which the detached counter-unit, the detached feed unit, and the detached cutting edge are mountable on the stationary mount is predefined.

12. The apparatus in accordance with claim 11 , wherein a clamping device is provided to securely fix at least one first element of the counter-unit, feed unit and cutting edge onto the stationary mount in a final operation position, wherein the clamping device comprises at least one clamping pin that is movable between a retracted position and an extended position, wherein the at least one first element comprises at least one receiver into which the at least one clamping pin penetrates in the extended position, wherein the at least one first element is fixed onto the stationary mount in the final operation position by the at least one clamping pin when the at least one clamping pin is in the extended position, and wherein the at least one first element is detachable from the stationary mount when the at least one clamping pin is in the retracted position.

13. The apparatus in accordance with claim 12 , wherein the at least one clamping pin is movable into an overextended position when the at least one element is detached from the stationary mount, wherein the control device is configured to recognize the overextended position.

14. The apparatus in accordance with claim 12 , wherein the internal or external control device is configured to control the clamping device, wherein the control device is configured to move the at least one clamping pin between the retracted position and the extended position and determine a current position of the clamping pin, wherein the recognition of the extended position is associated to a correct positioning of the at least one first element in the final working position.

15. The apparatus in accordance with claim 12 , wherein the clamping pin in the extended position fixes at least one second element of counter-unit, feed unit and cutting edge onto the stationary mount in a final operation position that is not identical to the at least one first element, and/or wherein the penetration of the at least one clamping pin into the receiver of the at least one first element induces a movement of the at least one second element that brings the at least one second element into its final operation position.

16. The apparatus in accordance with claim 1 , wherein the output device is configured to eject material webs on multiple tracks and a feed gap is formed for each track by a driven feed roll and a pressing unit, and wherein the respective feed roll of the one pair and the pressing unit of a directly adjacent pair are together rotatably drivable about a common axis as a two-track unit, wherein the pressing units support a pressing sleeve that is freely rotatable about the common axis and disconnected from the driven rotation of the two-track unit.

17. The apparatus in accordance with claim 16 , wherein a plurality of two-track units is provided next to one another and the respective pressing unit of the one two-track unit and the feed roll of a directly adjacent two-track unit are supported at one another at least in the radial direction and are rotatable with respect to one another.

18. An apparatus for a single-track or multitrack slicing of food products which su

Assignees

• Weber Maschb Gmbh

Inventors

• Einloft-Velte Tobias
• Nispel Thomas
• Ritzen Noël

Classifications

• B65H2408/217

  of rollers type, e.g. with at least one fixed and one movable roller · CPC title

• B65H2301/4148

  slitting · CPC title

• B65H2301/41394

  moving independently from each other · CPC title

• B65H2403/7253

  pneumatically controlled · CPC title

• B26D7/32

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