EP1951449A1 - Ultrasonic cleaning system for hollow bodies - Google Patents
Ultrasonic cleaning system for hollow bodiesInfo
- Publication number
- EP1951449A1 EP1951449A1 EP05802206A EP05802206A EP1951449A1 EP 1951449 A1 EP1951449 A1 EP 1951449A1 EP 05802206 A EP05802206 A EP 05802206A EP 05802206 A EP05802206 A EP 05802206A EP 1951449 A1 EP1951449 A1 EP 1951449A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning system
- transmission element
- hollow bodies
- vibrating plate
- ultrasonic cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/048—Overflow-type cleaning, e.g. tanks in which the liquid flows over the tank in which the articles are placed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/005—Use of ultrasonics or cavitation, e.g. as primary or secondary action
Definitions
- the invention relates to an ultrasonic cleaning system for hollow bodies, which has a container with a transmission medium, an ultrasonic generator and a vibrating plate, the vibrating plate being excitable by means of the ultrasonic generator. Furthermore, the invention relates to a method for cleaning hollow bodies by means of an ultrasound cleaning system, the ultrasound cleaning system having a container with a transmission medium, an ultrasound generator and an oscillating plate, and the oscillating plate being excited by means of the ultrasound generator with a predefined oscillation frequency.
- Ultrasound is very often used for cleaning objects and products, especially for cleaning difficult to access surfaces and complex shaped objects. Furthermore, ultrasonic cleaning can also be used if a very high degree of purity is to be produced or if cleaning with other methods is associated with health risks for the personnel.
- Typical examples of objects that are often cleaned using ultrasound are parts of precision engineering and precision engineering, medical instruments, optical lenses, glass vessels, dentures, jewelry, etc. The cleaning is carried out by immersing the object to be cleaned in an ultrasound-excited liquid bath or by fixing it in this.
- problems always arise when hollow bodies are to be cleaned.
- the hollow bodies are cleaned with sonotrodes.
- the needle-shaped sonotrodes are inserted into the hollow body and vibrated.
- DE 199 09 197 discloses such an ultrasonic cleaning system, in which the shaft-shaped ultrasonic sonotrode device can be inserted into the hollow structure of the workpiece and can also be moved back and forth relative to the workpiece.
- the US 5,985,038 and EP 0 292 779 disclose another system.
- the hollow bodies for example medical instruments with cannulas (US Pat. No. 5,985,038) and components for ink printers (EP 0 292 779), are flushed out by a cleaning medium.
- the flushing medium and / or the component is subjected to ultrasound, so that in addition to the flushing effect, there is also an ultrasound effect.
- both systems have the disadvantage that the hollow body can only be cleaned on the inside and not at the same time also on the outside.
- the hollow body must either be subsequently introduced into an ultrasonic bath with, for example, a plate-shaped surface oscillator.
- Another possibility is that the outside of the hollow body is cleaned by a further vibrating body, for example an additional surface vibrator. Simultaneous cleaning of the outside and inside is not possible with the known devices and methods.
- the object of the present invention is therefore to provide an ultrasonic cleaning system for hollow bodies, with which the outside and the inside of the hollow body can be cleaned at the same time. Another object is that a method for cleaning hollow bodies is made available, with which the outside and inside of a hollow body is effectively cleaned at the same time.
- the ultrasonic cleaning system for hollow bodies has a container with a transmission medium, an ultrasonic generator and a vibrating plate.
- the oscillating plate can be excited by means of the ultrasound generator, wherein at least one transmission element connected to the oscillating plate can be set in vibration by the excitation of the oscillating plate.
- the transmission element is rod-shaped or needle-shaped, which is excited to oscillate by the oscillation of the oscillating plate.
- the transmission element generates cavitation bubbles in the interior of the hollow body, which clean the inside of the hollow body.
- the outside of the hollow body is cleaned by the vibrations of the membrane-like vibrating plate that occur in particular at the edge.
- the transmission element is variable in shape and length, so that it can be selected depending on the items to be cleaned and the resonance frequencies. If, for example, a very long hollow body is to be cleaned, a correspondingly long transmission element can be used.
- the transmission element is preferably releasably connected to the oscillating plate, in particular screwable. This design enables the transfer element to be changed quickly and easily, for example depending on the items to be cleaned.
- the transmission element can additionally have nozzles for the escape of transmission medium, water or cleaning agents, as a result of which the cleaning of the inside of the hollow body is intensified. This is particularly advantageous when cleaning the inside of the hollow body is particularly critical, for example when cleaning cannulas or other hollow bodies used in medicine.
- the inventive method for cleaning hollow bodies is carried out by means of an ultrasonic cleaning system.
- the ultrasound Cleaning system has a container with a transmission medium, an ultrasound generator and an oscillating plate, the oscillating plate being excited with a predefined oscillation frequency.
- a hollow body is slipped onto the transmission element connected to the oscillating plate to form a single oscillating system, and the transmission element is set into vibration by the excitation of the oscillating plate. In this way, both the outside and the inside of the hollow body are cleaned at the same time.
- the power intensity between the vibrating plate and the transmission element and thus the intensity of the cleaning of the outside and inside can be changed. This is achieved by shifting the oscillation frequency. In this way, the vibrating plate vibrates with a different intensity than the transmission element, whereby, for example, the inside can be cleaned more than the outside or vice versa.
- a hollow body that is preferably fixed relative to the container is thus cleaned both on the outside and on the inside.
- Fig. 1 is a schematic sectional view through an ultrasonic cleaning system according to the invention.
- the ultrasound cleaning system 1 shows a section through an ultrasonic cleaning system 1 according to the invention for at least one hollow body 12, which is shown here in broken lines. It consists of a container 2 in which a transmission medium 3 is contained.
- the transmission medium 3 can be any known transmission medium used in ultrasonic cleaning technology, for example a cleaning solution, an organic solvent or water.
- the ultrasound cleaning system 1 has an ultrasound generator 4 which is mounted on the non-sound-emitting surface 6 of an oscillating plate 5.
- a transmission element 9 is located on the sound-radiating surface 7 of the oscillating plate 5.
- the transmission element 9 preferably consists of a base 10 and a shaft 11, onto which the hollow body 12 to be cleaned can be put or placed.
- the transmission element 9 is preferably detachably connected to the oscillating plate 5. For example, its base 10 can be screwed into a bore 8 of the oscillating plate 5.
- the transmission element 9 is preferably needle-like or rod-like. It can be hollow or solid and preferably has a round cross section
- the transmission element 9 can be equipped with at least one, preferably a plurality of nozzles (not shown). Liquid, in particular transmission medium 3 or a cleaning solution, can be sprayed onto the inside of the hollow body 12 via these nozzles, thereby increasing the cleaning effect.
- a plurality of transmission elements 9 are preferably arranged on the oscillating plate 5. In this way, many hollow bodies 12 can be cleaned at the same time.
- the vibrating plate 5 preferably forms the bottom of the container 2 and is secured against leakage by means of seals 13.
- the membrane-like oscillating plate 5 is preferably detachably connected to the container 2 via connecting means 14, for example screws.
- the container 2 preferably has an inlet 15 and an outlet 16.
- the inlet 15 is located in the area of the container 2 near the bottom, i. H. near the vibrating plate 5.
- the drain 16, on the other hand, is in the upper area, ie. H. in the vicinity of the edge 19 of the container 2. In this way, debris, debris or other contaminants separated by the cleaning process are removed via the outlet 16 above.
- An overflow 17 is preferably provided so that the ultrasound cleaning system can be flushed with fresh transmission medium 3, as indicated by the arrow 18.
- the method according to the invention provides that a hollow body 12 is slipped onto or placed on the transmission element 9.
- the vibrating plate 5 is then set in vibration by means of the ultrasound generator 4, where is set into vibration by the transmission element 9 fastened on the oscillating plate 5.
- the vibrations of the transmission element 9 generate cavitation bubbles in the interior of the hollow body 12, which clean the inside of the hollow body 12.
- the vibrations of the oscillating plate 5, in particular in the radially sweeter region generate cavitation bubbles in the transmission medium 3, which clean the outside of the hollow body 12.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2005/000693 WO2007059632A1 (en) | 2005-11-24 | 2005-11-24 | Ultrasonic cleaning system for hollow bodies |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1951449A1 true EP1951449A1 (en) | 2008-08-06 |
EP1951449B1 EP1951449B1 (en) | 2015-10-21 |
Family
ID=36593665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05802206.2A Not-in-force EP1951449B1 (en) | 2005-11-24 | 2005-11-24 | Ultrasonic cleaning system for hollow bodies |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1951449B1 (en) |
WO (1) | WO2007059632A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11040378B2 (en) | 2016-05-23 | 2021-06-22 | I.M.A. Industria Macchine Automatiche S.P.A. | Dosing apparatus for powder products |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110352100A (en) * | 2017-07-14 | 2019-10-18 | 应用材料公司 | The method of component for cleaning material sedimentary origin, for the method for manufacture material sedimentary origin and the equipment of the component for cleaning material sedimentary origin |
WO2024137175A1 (en) * | 2022-12-19 | 2024-06-27 | The Coca-Cola Company | High efficiency washing of plastic bottles using ultrasonic energy |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2546818C3 (en) | 1975-10-18 | 1982-02-18 | Schoeller & Co Elektrotechnische Fabrik Gmbh & Co, 6000 Frankfurt | Ultrasonic cleaning device |
US4572184A (en) * | 1983-10-28 | 1986-02-25 | Blackstone Corporation | Wave guide attachment means and methods |
EP0292779A1 (en) | 1987-05-25 | 1988-11-30 | Siemens Aktiengesellschaft | Method and device for cleaning elements with cavities |
GB9508279D0 (en) | 1995-04-24 | 1995-06-14 | Dawson Lawrence R | Method and apparatus for cleaning hollow elements |
DE29805627U1 (en) | 1998-03-27 | 1999-07-29 | ISS Industrie- und Schiffs-Service R. Gradewald oHG, 22880 Wedel | Ultrasonic cleaning system |
CH695137A5 (en) * | 2001-04-04 | 2005-12-30 | Kks Ultraschall Ag | Ultrasound cleaning system for hollow bodies, can be used also for parts of fine mechanics, medical instruments, optical lenses, glass vessels, tooth prostheses, jewelry and similar |
WO2004069435A2 (en) | 2003-02-04 | 2004-08-19 | Forward Technology A Crest Group Company | Ultrasonic cleaning tank |
-
2005
- 2005-11-24 WO PCT/CH2005/000693 patent/WO2007059632A1/en active Application Filing
- 2005-11-24 EP EP05802206.2A patent/EP1951449B1/en not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2007059632A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11040378B2 (en) | 2016-05-23 | 2021-06-22 | I.M.A. Industria Macchine Automatiche S.P.A. | Dosing apparatus for powder products |
Also Published As
Publication number | Publication date |
---|---|
WO2007059632A1 (en) | 2007-05-31 |
EP1951449B1 (en) | 2015-10-21 |
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