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Rotary atomizer comprising an atomizer bell and a retainer

A sprayer, bell-shaped technology, applied in the field of spray body shaft, can solve the problems of failure, lock, danger and other problems of the support unit

Active Publication Date: 2012-05-23
DUERR SYST GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Furthermore, in the case of conventional fastening of the bell-shaped disk by means of a screw connection there is the danger that, when the bell-shaped disk is braked in a shock-like manner, the bell-shaped disk will undesirably become stuck in the event of a jamming of the bearing unit. Loosening, which is extremely dangerous at high speeds of about 8000-80000 revolutions per minute during work
[0006] In addition, contamination of the bell-shaped dish thread leads to mechanical imbalances, which are related to the corresponding mechanical loads of the bearing unit and can lead to failure of the bearing unit in extreme cases
[0007] Finally, in the conventional fastening of the bell disk by means of a screw connection there is the risk that the bell disk thread bites and thus locks

Method used

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  • Rotary atomizer comprising an atomizer bell and a retainer
  • Rotary atomizer comprising an atomizer bell and a retainer
  • Rotary atomizer comprising an atomizer bell and a retainer

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Embodiment Construction

[0106] Figure 1A with 1B The bell-dish fastening device 1 according to the invention for fastening the bell-dish to a rotary atomizer is shown, wherein neither the bell-dish nor the rotary atomizer is shown for the sake of simplicity.

[0107] The bell-shaped dish fixing device 1 works according to the so-called polygon clamping technique, which is described, for example, in DE 195 21 755 C1, so the structure and function of the polygon clamping technique in this document The contents are fully incorporated in this manual.

[0108] In this embodiment, the bell-shaped disk attachment 1 has a rotatable hollow bell-shaped disk shaft 2 , which can be driven in a conventional manner by a turbine, but the turbine is not shown for the sake of simplicity. In order to avoid misunderstandings, it should be pointed out that the bell disk shaft 2 is the output shaft of the bearing unit of the turbine and not a shaft formed on the bell disk.

[0109]The rotatable bell-disk shaft 2 is su...

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Abstract

The invention relates to a rotary atomizer comprising an atomizer bell and a shaft carrying the same, a retainer being active between the atomizer bell and the shaft, said retainer preventing, by the action of a centrifugal force, the atomizer bell from detaching itself from the shaft.

Description

technical field [0001] The invention relates to a spray body shaft, in particular a bell-shaped disk shaft, for a rotary atomizer. Furthermore, the invention relates to a correspondingly adapted jet body, in particular a jet body in the form of a bell-shaped dish. Furthermore, the invention relates to a blow-out protection element for preventing projectile bodies, in particular projectile bodies in the form of a bell-shaped dish, from flying out, and a correspondingly adapted projectile body, which preferably can be detachably Assembled on the spray body. Background technique [0002] In modern painting installations for painting motor vehicle body components, rotary sprayers are often used as coating elements, which have rotating bell-shaped disks as spray bodies. The bell-shaped disk is generally mounted on the bell-shaped disk shaft of the rotary atomizer by means of a screw connection, wherein the detachable screw connection allows the bell-shaped disk to be replaced i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B3/10
CPCB05B3/1042B05B3/1064B05B5/0407F16D1/0858
Inventor B·塞茨F·赫勒M·鲍曼H·克鲁玛H-J·诺尔特M·米歇尔菲尔德R·梅尔歇尔T·贝尔S·舍尔
Owner DUERR SYST GMBH
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