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Suction brake, sheet conveyor with such suction brake and method of applying a retardation force to a moving sheet of material

A technology of brakes and conveyors, which is applied in the direction of sending objects, transportation and packaging, thin material handling, etc., and can solve the problems of reduced binding force, reduced output, and reduced productivity.

Pending Publication Date: 2022-01-07
BOBST MEX SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, at lower cadences, less sheet deceleration is required, so the amount of binding required is also reduced
But the disadvantage of this is that the output is correspondingly reduced, which reduces the productivity

Method used

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  • Suction brake, sheet conveyor with such suction brake and method of applying a retardation force to a moving sheet of material
  • Suction brake, sheet conveyor with such suction brake and method of applying a retardation force to a moving sheet of material
  • Suction brake, sheet conveyor with such suction brake and method of applying a retardation force to a moving sheet of material

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Embodiment Construction

[0034] In order to provide a context for describing embodiments of the present invention, a conventional sheet processing machine, which may be equipped with a suction brake according to an embodiment of the present invention, will first be described. therefore, figure 1 Shown is a sheet converting machine 100 that uses stamping to customize cardboard packaging for the luxury goods industry. Such processing machines are generally called hot stamping machines and are known in the prior art. Therefore, neither its structure nor its operation will be described in detail here. Also, for ease of description and understanding, only one station of the sheet processing machine is described as including a suction brake, but the skilled person will appreciate that more than one station may include a suction brake. Also, of course, although the table described as having a suction brake is a punching table, a suction brake according to an embodiment of the invention may be used on other...

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Abstract

The invention relates to a suction brake (134) for use with a sheet conveyor configured to convey a succession of flat elements (10) in sheet form along a conveying path between a first location and a second location, the suction brake comprising: a hollow body (362) having an interior cavity (363) and a face that defines a plurality of suction apertures (366) that communicate with the interior cavity (363); an obturator arrangement (262, 562) coupled to the hollow body (362) and moveable with respect to the suction apertures (366); the obturator arrangement (262, 562) being moveable between an open position, in which the obturator arrangement (262, 562) exposes the suction apertures (366) to a maximum extent, and a restricted position, in which the obturator arrangement (262, 562) occludes the suction apertures (366) to a maximum extent. The obturator may rotate or be linearly translated in moving between the open and restricted positions.

Description

technical field [0001] The present invention relates to a suction brake for a sheet material conveyor, a sheet material conveyor having such a suction brake, and a method of applying a decelerating force to a moving sheet material using the suction brake. [0002] The invention has a particularly advantageous, though not exclusive, application in the field of manufacture of packaging made of paper or lightweight cardboard. Background technique [0003] In packaging manufacturing, packages are usually made from a single cardboard in several steps. This is why the known processing machines of the prior art traditionally consist of several consecutive work stations, through which each sheet is moved sequentially. In practice, each sheet is conveyed individually from one table to another by pulling it from its leading edge, usually using a so-called clamping bar, without holding the rest of the sheet in any particular way part. [0004] In order for the sheet to remain somewh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H5/08B65H29/68
CPCB65H5/085B65H29/686B65H2406/3432B65H2406/3661B65H2701/1313B65H2801/42B65H2406/411
Inventor Y·德莱伊史蒂夫·斯托亚诺维奇-罗斯让-克劳德·丽贝艾德
Owner BOBST MEX SA
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