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Hot aisle equipment with overload protection

An overload protection and hot channel technology, applied in the field of hot channel equipment, can solve the problems of closed needle damage, undetected adjustment to impermissible positions, etc.

Active Publication Date: 2022-04-08
EWIKON HEIBKANALSYSTEME GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the shut-off needle is blocked during opening or closing and the stroke is not sufficient to trigger the overload protection, the shut-off needle can be damaged or be adjusted inadvertently into impermissible positions

Method used

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  • Hot aisle equipment with overload protection
  • Hot aisle equipment with overload protection
  • Hot aisle equipment with overload protection

Examples

Experimental program
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Embodiment Construction

[0029] If terms such as upper and lower or right and left are used below, these relate to the positions shown in the respective figures. The loading location can be different from it so that the concepts are relative to each other.

[0030] figure 1 In the interaction of parts a), b) and d) or a), c) and d), a sectional view of a section of a hot runner device with a needle closure nozzle 1 is shown in each case. This equipment is designed for injection molding of plastic components. The plastic component is injection-moulded in a mold, which is indicated here only by the line S as a shaped plate with openings and is otherwise not shown (see DE 10 2015 216 059 A1 for this, for example), which generally has a shaped plate with casting holes.

[0031] figure 1into four parts which are arranged at a distance from each other here for simplicity, wherein parts a), b) and d) show the hot runner device in the closed position in an imaginary connected state, and part a) , c) and d...

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Abstract

The invention relates to a hot aisle installation with at least one needle closure (1) and a closure needle (3) movable in said needle closure (1) by means of a movement device and for said Overload protection device for a closing needle (3), characterized in that the overload protection device is realized in that the closing needle is moved in at least one first direction of movement directly or indirectly via at least one friction element which can be released when a limit force is exceeded A locking connection (21) is connected to the movement means.

Description

technical field [0001] The invention relates to a hot aisle installation with overload protection for closing needles. Background technique [0002] It is known to provide hot aisle installations with an overload protection device with a form-locking or breaking mechanism (Bruch mechanism), which moves a movable closing needle in the hot aisle during the closing movement. In the event of an overload, the center is automatically removed from the power flow of the drive device in order to avoid damage to the closure needle. Of course, known overload protection devices are structurally relatively complex in construction and are however only functionally reliable to a limited extent. Among the known overload protection devices, see for example DE 10 2015 216 059 A1, which shows a positive lock as an overload protection device in the form of a coupling structure with radially movable balls, wherein the relatively long length of the closure needle must be passed travel in order ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/28B29C45/84B29C45/17
CPCB29K2995/0094B29C45/1775B29C45/281B29C45/84B29K2995/0072B29C45/28
Inventor S·艾梅克P·布劳恩P·米特勒
Owner EWIKON HEIBKANALSYSTEME GMBH
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