Method and device for forming objects from a material strand and for separating said objects

A technology for processing forming and material strips, applied in metal processing and other directions, can solve the problems of easy to form breakage, such accuracy cannot be simply estimated, and troublesome.

Inactive Publication Date: 2008-04-30
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since this accuracy cannot be estimated simply, it cannot be satisfactorily taken into account when designing the structure of the article to be produced, and may require costly modifications to the structure and, if necessary, to the mold used
[0005] This problem is further exacerbated by the fact that when designing the structure of an article to be produced in such an apparatus it is generally sought to avoid sharp edges, since these edges are still formed during or after the article is formed. It may be easy to form a breakpoint in the use of

Method used

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  • Method and device for forming objects from a material strand and for separating said objects
  • Method and device for forming objects from a material strand and for separating said objects
  • Method and device for forming objects from a material strand and for separating said objects

Examples

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Embodiment Construction

[0026] FIG. 1 shows a schematic side view of a device for producing a door inner panel of a refrigeration appliance door from a material strip of polystyrene or another suitable plastic. The material strip 1 is unrolled from a storage drum 2 and passes one after the other along a transport path through a buffer section 3 , a heating device 4 , a die 5 , a cutting device 6 and a longitudinal cutting device 7 . The material strip 1 is transported step by step along the transport path from the heating device 4 to the longitudinal cutting device 7 . The buffer section 3 is used to quickly feed the necessary length of the material strip 1 in each conveying step, without the need for a sudden acceleration of the accumulator drum, which may have a considerable mass, for this purpose.

[0027] The heating device 4 consists of two elements which are respectively arranged above and below the material strip 1 and which heats the material strip to a temperature at which the material strip...

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Abstract

The invention relates to a device for forming objects from a material strand (1) and for separating said objects. The device comprises a mould (5) for forming a relief (10) in one section (21) of the material strand, a separation device (6) for separating the reliefs (10) that have been formed by the mould (5) and a transport device for transporting the material strand through the mould (5) and the separation device (6). A device (11, 12, 13) for producing a reference characteristic (22) in the material strand (1) is located outside the mould (5) and is coupled to the latter. The separation device (6) comprises a detection device (16, 17) for detecting the position of the reference characteristic, which is assigned to a first relief, in the strand (1) and a cutting tool (14, 15) that can be positioned using the detected position of the reference characteristic (22).

Description

technical field [0001] The invention relates to a method and a device for working shaped articles, in particular by deep drawing, from a strip of material and subsequently separating the articles. Background technique [0002] Production devices are known for the mass production of articles from flat metal or plastic materials, by means of which a strip of raw material unrolled by a storage drum is conveyed step by step along a conveying section and first passes through a mould. , the profile of the article to be manufactured is formed in the associated material strip, and then the material strip located between the front and rear profile parts is separated in a cutting device, thereby obtaining the finished product. It is of the utmost importance for such a device that the incisions produced by the cutting device between the individual profile parts follow exactly the predetermined edges of the article to be produced. Any deviations in the position of the cutouts beyond th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C51/44B29C51/46B26D7/26B29C69/00B29C51/08
CPCB29C51/082B29C51/46B29K2705/00B29C51/268B29C51/445B26D7/2628B29C2793/00B29K2025/00B29C2795/00B29C51/08
Inventor J·托伊尔科恩M·福赫斯G·弗勒利希
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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