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Metering valve and metering method

A metering method and metering valve technology, applied in the field of metering valves, can solve problems such as poor metering results and inaccurate spraying of dosing materials, and achieve the effect of fine and accurate metering results

Active Publication Date: 2015-11-11
VERMES MICRODISPENSING GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A too high impact velocity on the target surface due to too high an acceleration originating from the nozzle means that the dosing result becomes worse, i.e. the spraying of the dosing substance on the target surface becomes more imprecise

Method used

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  • Metering valve and metering method
  • Metering valve and metering method
  • Metering valve and metering method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0105] Figure 1 to Figure 6 A metering valve 1 according to an embodiment of the invention is shown in different full and detailed views, wherein figure 1 and Figure 6 shows along the figure 2 Sectional view of cutting line G-G or F-F in , and basically refer to these two views.

[0106] The metering valve 1 comprises a valve chamber 33 with a nozzle 19 and a valve housing 22 , an actuator chamber 53 is arranged outside the valve chamber 33 . The valve housing 22 comprises a lower first housing part 23 and an upper second housing part 5 in the form of a cover 5 . The two housing parts 5 , 23 are connected to each other by fastening screws 41 .

[0107] The actuator chamber 53 is arranged centrally in the valve housing 22 . Below the cover 5, the first piezoelectric actuator 8a and the second piezoelectric actuator 8b connected by disc springs 39a, 39b and the movably installed support body 37 (ie the support mass) (see Figure 6 ) is oriented in the direction of the ...

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Abstract

The present invention relates to a metering valve (1) for metering material to be metered, comprising: a valve chamber (33) having an outlet opening (21); a closure element (3) arranged in or on the valve chamber (33); a valve chamber bearing (23); and an actuator device (7), in order to move at least the outlet opening (21), preferably the valve chamber (33), in relation to the valve chamber bearing (23) in an ejection direction (E) and / or a retraction direction (R) in operation such that in operation material to be metered is pushed through the outlet opening (21) by the plunger (3) in at least one movement mode if there is a movement of the outlet opening (21) in the ejection direction (E). The invention further relates to a metering method that can be performed by means of such a metering valve (1).

Description

technical field [0001] The invention relates to a metering valve comprising: a valve chamber with an outlet opening; a closing element arranged in or on the valve chamber; and an actuating device. Furthermore, the invention relates to a metering method for dosing substances. Background technique [0002] Such as adhesives, paints, printing varnishes, conductive substances integrated in adhesive systems (e.g. solder paste), rectifying materials for LEDs (i.e. most viscous with high filler content, especially ceramic fillers Dosing substances ranging from liquid to viscous, such as pastes) are purposefully applied to the target surface. For example, the purposeful and precise provision of electronic circuit boards with conductive substances replaces relatively inflexible processes such as masking or squeegee processes. An important requirement here is to deliver the metering substance to the target surface with high precision, ie at the right point in time and in precisely m...

Claims

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Application Information

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IPC IPC(8): B05C5/02F16K31/385F16K31/00F16K31/06
CPCB05C5/0225F16K17/00F16K51/00G05D7/0635F16K11/04F16K31/004F16K49/005
Inventor 于尔格·施泰特勒马里奥·弗利斯
Owner VERMES MICRODISPENSING GMBH
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