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Pumping device and method for conveying viscous media, in particular adhesives

a technology of viscous media and pumping device, which is applied in the direction of positive displacement liquid engine, piston pump, liquid fuel engine, etc., can solve the problems of complex technical operation, device known from the prior art, and need regular and frequent maintenance, etc., to achieve low maintenance, simple method, and simple structure

Inactive Publication Date: 2016-06-02
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a pumping device and labeling device that have a simple structure and low-maintenance operation. The method for conveying viscous medium is simple and can be carried out without complications. The pumping device has a drive shaft that is rotationally movable about a common axis, which is in communication with a motor, via which drive shaft the cylinder unit and the piston unit are rotationally movable. This design reduces wear and tear and requires less maintenance effort compared to known pumping devices. The conveying means of the pumping device is embedded in the viscous medium or adhesive, respectively, during operation, which acts as a lubricant for the moved parts, further reducing wear and tear.

Problems solved by technology

Since such devices require a complex mechanism for generating a linear movement of the pump piston, they are technically elaborate to carry out.
In addition, the devices known from the prior art require regular and frequent maintenance in order to prevent a failure of the pump.

Method used

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  • Pumping device and method for conveying viscous media, in particular adhesives
  • Pumping device and method for conveying viscous media, in particular adhesives
  • Pumping device and method for conveying viscous media, in particular adhesives

Examples

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Embodiment Construction

[0044]The same or equivalent elements of the invention are designated by identical reference characters. Furthermore and for the sake of clarity, only the reference characters relevant for describing the respective figure are provided. It should be understood that the detailed description and specific examples of the device and method according to the invention, while indicating preferred embodiments, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

[0045]FIG. 1 shows a schematic and perspective longitudinal cut of an embodiment of a pumping device 1 according to the invention. The pumping device 1 has a bearing housing 5, which is designed for a coupling 55 (cf. FIG. 4)—not illustrated in FIG. 1—being contained within it. An electric motor, for instance, or another drive motor, such as, for instance, a mechanical drive connection or an hydraulically operating motor or the like can be placed or flange-mounted, respectively, onto...

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Abstract

The invention includes a pumping device (1, 1a) and a method for conveying a viscous medium, in particular adhesives. The pumping device (1, 1a) has a cylinder unit (20) as well as a piston unit (22), which is at least partially contained within the cylinder unit (20), with the cylinder unit (20) and the piston unit (22) together forming a conveying means (2), which operates according to the reciprocating piston principle. The pumping device (1, 1a) further has at least one drive shaft (7) communicating with a motor, via which drive shaft (7) the cylinder unit (20) and the piston unit (22) are rotationally movable about a common axis, and the pumping device (1, 1a) also has a forced guide being mechanically coupled with the conveying means (2), by means of which forced guide the rotating movement of the conveying means (2) is convertible into an alternating forward and return stroke of the piston unit (22) for the purpose of pumping the respective viscous medium.

Description

CLAIM OF PRIORITY[0001]The present application claim priority to German Application DE 10 2014 224 539.7, filed Dec. 1, 2014, which is incorporate by reference.FIELD OF THE INVENTION[0002]The present invention relates to a pumping device as well as to a method for conveying highly viscous or viscous media, respectively, in particular adhesives.BACKGROUND OF THE INVENTION[0003]Devices or methods, respectively, of the type previously mentioned can be used, for instance, in order to convey hot glue from a storage container and provide it for a labeling operation. In this context, devices are known that can be placed upon a container and that supply glue to a glue applicator roll and / or to further means via appropriate pipe connections.[0004]A heatable pump for viscous media is, for instance, known from DE 35 42 848 A1. The pump disclosed there has a piston rod, a pump piston, and also a riser pipe arranged concentrically to the piston rod. A heating element is helically guided around t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F04B15/02F04B19/02F04B9/02F04B53/14F04B53/16F04B19/22F04B53/10
CPCF04B15/02F04B19/22F04B19/025F04B9/025F04B53/14F04B53/16F04B53/1002F04B1/10F04B1/107F04B1/1071F04B1/1072F04B53/125F04B53/126
Inventor STOIBER, CHRISTIAN
Owner KRONES AG
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