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Device and method for welding and separating packaging materials for a package

A packaging material and cutting device technology, applied in the field of devices and methods for welding and dividing packaging materials used for packaging, can solve problems such as wear and tear, and achieve the effect of high service life

Inactive Publication Date: 2012-07-04
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wear phenomena due to the contact of the knife with the sonotrode, so that the knife must be replaced after a certain period of use

Method used

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  • Device and method for welding and separating packaging materials for a package
  • Device and method for welding and separating packaging materials for a package
  • Device and method for welding and separating packaging materials for a package

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] Refer below Figures 1 to 4 An apparatus 1 for welding and dividing packaging materials for packaging according to a preferred embodiment of the present invention is described in detail.

[0020] Such as figure 1 As shown, the device 1 for welding and dividing packaging materials comprises an ultrasonic welding device 2 with a sonotrode 3 and an anvil 5, the packaging materials 4 forming the preceding packaging 14 and the following packaging 15 are transported in the conveying direction indicated by the arrow F passes between the sonotrode and the anvil. The sonotrode 3 is rotatable about a first axis of rotation X and the anvil 5 is rotatable about a second axis Y.

[0021] Arranged inside the anvil 5 is a cutting device 6 with a knife 7 and an adjusting device 9 , by means of which the knife 7 is fixed and adjusted in the radial direction of the anvil 5 . The cutting device 6 is arranged between the first sealing region 12 and the second sealing region 13 of the an...

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PUM

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Abstract

The invention relates to a device for welding and separating a packaging material (4) for a package, comprising an ultrasonic welding device (2) with a sonotrode (3) and an anvil (5) for sealing the packaging material (4), wherein the sonotrode (3) is rotatable about a first axis of rotation (X) and the anvil (5) is rotatable about a second axis of rotation (Y), and a cutting device (6) with at least one blade (7) for separating the packaging material (4), which device is arranged in the anvil (5), wherein the at least one blade (7) is arranged on the anvil (5) in such a way that a minimum distance (S) between the sonotrode (3) and a cutting edge (8) of the blade (7) is maintained, and so the packaging material (4) can be severed without any contact between the sonotrode (3) and the blade (7).

Description

technical field [0001] The invention relates to a device and a method for welding and dividing packaging material for packaging with a combined ultrasonic welding device and cutting device, in particular for use in tube bagging machines. Background technique [0002] Tubular bagging machines are well known in the art, which pack confectionery and other items. In this case, an elongated closed tube is usually produced from a film by means of a forming shoulder, the tube being sealed at one open end by means of a transverse sealing seam by means of an ultrasonic welding device comprising a sonotrode and an anvil. The packaging material is welded here between the sonotrode and the anvil by the contact of these two parts. After filling, the tube is then closed above the filling area to form a tube bag by an additional transverse sealing seam. Furthermore, a cutting device with a knife is usually provided in order to separate the still connected bags. The contact of the knife ...

Claims

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Application Information

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IPC IPC(8): B29C65/74B29C65/08B65B51/22B65B51/30
CPCB29C65/745B29C66/81435B29C66/83513B65B51/306B29C66/1122B65B61/06B29C66/80B29C66/4312B29C65/087B29C65/7443B29C66/849B65B51/225B29C66/232B29C66/81417B29C66/81422B29C66/9516B29C65/00
Inventor J·伊佩斯U·维杜威尔特
Owner ROBERT BOSCH GMBH
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