EP1603664B1 - Mixer with cleaning device - Google Patents

Mixer with cleaning device Download PDF

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Publication number
EP1603664B1
EP1603664B1 EP04717320A EP04717320A EP1603664B1 EP 1603664 B1 EP1603664 B1 EP 1603664B1 EP 04717320 A EP04717320 A EP 04717320A EP 04717320 A EP04717320 A EP 04717320A EP 1603664 B1 EP1603664 B1 EP 1603664B1
Authority
EP
European Patent Office
Prior art keywords
mixer
washing space
shaft
cleaning
access opening
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.)
Expired - Lifetime
Application number
EP04717320A
Other languages
German (de)
French (fr)
Other versions
EP1603664A1 (en
Inventor
Hendrik Ensing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stork Prints BV
Original Assignee
Stork Prints BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stork Prints BV filed Critical Stork Prints BV
Publication of EP1603664A1 publication Critical patent/EP1603664A1/en
Application granted granted Critical
Publication of EP1603664B1 publication Critical patent/EP1603664B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/805—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle
    • B01F27/806—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle with vertical displacement of the stirrer, e.g. in combination with means for pivoting the stirrer about a vertical axis in order to co-operate with different receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air

Definitions

  • the invention relates to a device for mixing pasty and liquid masses.
  • Such devices are much used for mixing paint or inks, for instance for printing companies.
  • the inks are for instance placed together in measured quantities in a container and these inks are subsequently mixed by means of a mixer to form a homogeneous substance. This ink can then be used to print an object.
  • the mixer first has to be cleaned so as to prevent contamination from the preceding container.
  • Cleaning devices are known wherein the mixer is taken out of the container, is then displaced or rotated in a horizontal plane, whereafter the mixer is carried into a washing space and there cleaned by means of a cleaning liquid.
  • Such a cleaning device has the drawback that it takes up a great deal of space and that the movement of the mixer takes up much time, whereby the throughput speed of such a mixing device is low.
  • Document JP-A-10 076 151 discloses a mixing device in accordance with the preamble of claim 1.
  • a space-saving is firstly already achieved by placing the washing space above the mixing device instead of adjacently thereof. In addition, a horizontal displacement of the mixer is prevented, whereby a higher throughput speed is obtained. Because the mixer must be taken out of the container, the mixer must be displaced in vertical direction at all times. By now placing the washing device in the same line as the direction of removal, i.e. above the container, the mixer can be carried in one movement out of the container into the washing space.
  • the access opening comprises a standing edge. This prevents for instance cleaning liquid flowing out on the underside via the access opening and possibly falling into a container placed thereunder.
  • the device comprises a closure for closing an access opening. This prevents any cleaning agent or residue from the mixer dripping out via the access opening in the lower wall.
  • a passage is arranged in an upper wall of the upper space for passage of the shaft, and a scraper is arranged in the passage for scraping the shaft clean. Adhering dirt is kept inside the washing space with this scraper and there flushed away.
  • the washing space is displaceable in vertical direction. If the mixing device is used for containers of different dimensions, it may be advantageous to always place the washing space at a minimal distance above the containers. A maximum throughput speed is hereby achieved.
  • FIG. 1 shows a device 1 according to the invention.
  • This device 1 has a rear wall 2 on which are mounted guides 3 on which a bearing block 4 is guided.
  • This bearing block 4 can be displaced in vertical direction by means of a pneumatic cylinder 5.
  • a motor 6 Arranged on this bearing block 4 is a motor 6 which drives a shaft 7, on the outer end of which is arranged a mixer part 8.
  • Mixer 8 protrudes into a container 9 which is supplied by means of conveyor belt 10. Shaft 7 of the mixer protrudes through a washing space 11.
  • Figure 2 shows the position in which the bearing block 4 is carried vertically upward along guides 3, whereby shaft 7 with mixer part 8 thereon is likewise carried upward.
  • Mixer part 8 is hereby carried into washing space 11.
  • the mixer part has herein passed through the opening 12 in the underside of washing space 11. Opening 12 has a standing edge 13, thus preventing liquid being able to flow via opening 12 into container 9.
  • FIG. 3 shows washing space 11 in more detail. Opening 12 is here closed by a closing slide 14. This is operated by means of a rod assembly 14 and a cylinder 16. Arranged in washing space 11 are sprayers 17 which clean mixer part 8. Cleaning liquid can then flow away via outlet 18.
  • Shaft 7 protrudes to the outside on the top side of the washing space 11 and is therein enclosed by a scraper ring 19.
  • This scraper ring 19 scrapes dirt from shaft 7 so that the dirt remains behind in washing space 11 and can there be drained off.

Abstract

The invention relates to a device for mixing pasty and liquid masses, which device comprises: - a substantially vertically displaceable mixer (8) having a substantially vertical, driven shaft (7) and a mixer part arranged on an outer end of the shaft, and - a cleaning device for cleaning at least the mixer part, which cleaning device comprises a washing space (11) arranged around the vertical shaft and bounded by walls, wherein spray means (17) are arranged in the washing space and an access opening (12) is arranged in a lower wall such that at least the mixer part can be carried into the washing space.

Description

  • The invention relates to a device for mixing pasty and liquid masses.
  • Such devices are much used for mixing paint or inks, for instance for printing companies. The inks are for instance placed together in measured quantities in a container and these inks are subsequently mixed by means of a mixer to form a homogeneous substance. This ink can then be used to print an object. When ink must be mixed in a following container, the mixer first has to be cleaned so as to prevent contamination from the preceding container.
  • Cleaning devices are known wherein the mixer is taken out of the container, is then displaced or rotated in a horizontal plane, whereafter the mixer is carried into a washing space and there cleaned by means of a cleaning liquid.
  • Such a cleaning device has the drawback that it takes up a great deal of space and that the movement of the mixer takes up much time, whereby the throughput speed of such a mixing device is low.
  • Document JP-A-10 076 151 discloses a mixing device in accordance with the preamble of claim 1.
  • It is an object of the invention to provide a mixing device wherein cleaning can be performed more rapidly and wherein in addition little space is taken up by the mixing device.
  • This objective is achieved according to claim 1 with a device for mixing pasty and liquid masses, which device comprises:
    • a substantially vertically displaceable mixer having a substantially vertical, driven shaft and a mixer part arranged on an outer end of the shaft, and
    • a cleaning device for cleaning at least the mixer part, which cleaning device comprises a washing space arranged around the vertical shaft and bounded by walls, wherein spray means are arranged in the washing space and an access opening is arranged in a lower wall such that at least the mixer part can be carried into the washing space. So as to achieve an even better cleaning, a second scraper can be arranged so that a double scraper ring results. Further water rinsing can moreover then be arranged wherein a water flow passes along the shaft between the two scrapers.
  • A space-saving is firstly already achieved by placing the washing space above the mixing device instead of adjacently thereof. In addition, a horizontal displacement of the mixer is prevented, whereby a higher throughput speed is obtained. Because the mixer must be taken out of the container, the mixer must be displaced in vertical direction at all times. By now placing the washing device in the same line as the direction of removal, i.e. above the container, the mixer can be carried in one movement out of the container into the washing space.
  • In a preferred embodiment of the device according to the invention, the access opening comprises a standing edge. This prevents for instance cleaning liquid flowing out on the underside via the access opening and possibly falling into a container placed thereunder.
  • In a further embodiment the device comprises a closure for closing an access opening. This prevents any cleaning agent or residue from the mixer dripping out via the access opening in the lower wall.
  • In another embodiment of the device according to the invention, a passage is arranged in an upper wall of the upper space for passage of the shaft, and a scraper is arranged in the passage for scraping the shaft clean. Adhering dirt is kept inside the washing space with this scraper and there flushed away.
  • In yet another embodiment of the device according to the invention, the washing space is displaceable in vertical direction. If the mixing device is used for containers of different dimensions, it may be advantageous to always place the washing space at a minimal distance above the containers. A maximum throughput speed is hereby achieved.
  • These and other features of the invention are further elucidated with reference to the annexed drawings.
    • Figure 1 shows in perspective view with partly broken-away parts an embodiment of the device according to the invention.
    • Figure 2 shows the device of figure 1 in a position where the mixer has been placed in the washing space.
    • Figure 3 shows an enlarged view of the washing space in perspective and with partly broken-away parts.
  • Figure 1 shows a device 1 according to the invention. This device 1 has a rear wall 2 on which are mounted guides 3 on which a bearing block 4 is guided. This bearing block 4 can be displaced in vertical direction by means of a pneumatic cylinder 5. Arranged on this bearing block 4 is a motor 6 which drives a shaft 7, on the outer end of which is arranged a mixer part 8.
  • Mixer 8 protrudes into a container 9 which is supplied by means of conveyor belt 10. Shaft 7 of the mixer protrudes through a washing space 11.
  • Figure 2 shows the position in which the bearing block 4 is carried vertically upward along guides 3, whereby shaft 7 with mixer part 8 thereon is likewise carried upward. Mixer part 8 is hereby carried into washing space 11. The mixer part has herein passed through the opening 12 in the underside of washing space 11. Opening 12 has a standing edge 13, thus preventing liquid being able to flow via opening 12 into container 9.
  • Figure 3 shows washing space 11 in more detail. Opening 12 is here closed by a closing slide 14. This is operated by means of a rod assembly 14 and a cylinder 16. Arranged in washing space 11 are sprayers 17 which clean mixer part 8. Cleaning liquid can then flow away via outlet 18.
  • Shaft 7 protrudes to the outside on the top side of the washing space 11 and is therein enclosed by a scraper ring 19. This scraper ring 19 scrapes dirt from shaft 7 so that the dirt remains behind in washing space 11 and can there be drained off.

Claims (5)

  1. Device (1) for mixing pasty and liquid masses, which device comprises:
    - a substantially vertically displaceable mixer having a substantially vertical, driven shaft (7) and a mixer part (8) arranged on an outer end of the shaft (7), and
    - a cleaning device for cleaning at least the mixer part,
    characterized in that
    the cleaning device comprises a washing space (11) arranged around the vertical shaft (7) and bounded by walls, wherein spray means (17) are arranged in the washing space (11) and an access opening (12) is arranged in a lower wall such that at least the mixer part can be carried into the washing space (11).
  2. Device as claimed in claim 1, wherein the access opening (12) comprises a standing edge (13).
  3. Device as claimed in claim 1 or 2, comprising a closure (14) for closing the access opening (12) .
  4. Device as claimed in any of the foregoing claims, wherein a passage is arranged in an upper wall of the washing space (11) for passage of the shaft (7), and wherein a scraper (19) is arranged in the passage for scraping the shaft (7) clean.
  5. Device as claimed in any of the foregoing claims, wherein the washing space (11) is displaceable in vertical direction.
EP04717320A 2003-03-14 2004-03-04 Mixer with cleaning device Expired - Lifetime EP1603664B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1022932 2003-03-14
NL1022932A NL1022932C2 (en) 2003-03-14 2003-03-14 Mixer with cleaning device.
PCT/NL2004/000161 WO2004080580A1 (en) 2003-03-14 2004-03-04 Mixer with cleaning device

Publications (2)

Publication Number Publication Date
EP1603664A1 EP1603664A1 (en) 2005-12-14
EP1603664B1 true EP1603664B1 (en) 2007-10-24

Family

ID=32986050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04717320A Expired - Lifetime EP1603664B1 (en) 2003-03-14 2004-03-04 Mixer with cleaning device

Country Status (6)

Country Link
EP (1) EP1603664B1 (en)
CN (1) CN100361738C (en)
AT (1) ATE376452T1 (en)
DE (1) DE602004009672T2 (en)
NL (1) NL1022932C2 (en)
WO (1) WO2004080580A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011046892A1 (en) * 2009-10-16 2011-04-21 F'real Foods, L.L.C. Commercial frozen food preparation apparatus sanitation
CN102451635A (en) * 2010-10-20 2012-05-16 吴江中服工艺印花有限公司 Double-station dye stirring device
CN102151509B (en) * 2011-02-14 2013-01-30 四川迈克生物科技股份有限公司 Automatic device for uniformly mixing different materials
ITMI20110484A1 (en) * 2011-03-25 2012-09-26 Pirovano S R L MIXER-BASED MIXER DEVICE CONTEMPLATING AT LEAST ONE FLUID, IN CONTAINERS SUCH AS MILK, DRUMS OR DRYCANES
CN102247773A (en) * 2011-07-14 2011-11-23 上海弗鲁克流体机械制造有限公司 Laboratory vacuum homogenizer
CN106418672B (en) * 2016-10-26 2018-01-30 厦门烟草工业有限责任公司 Latex agitating device and cigarette packer
DE102017104842A1 (en) * 2017-03-08 2018-09-13 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Mixer with cleaning nozzle
CN107126869B (en) * 2017-05-21 2018-03-20 湖南长信华森环保建筑铝模有限公司 A kind of environmental protection paint matching device
CN109966960B (en) * 2019-04-27 2021-08-10 泾县祥得士新材料科技有限公司 Utilize putty powder agitating unit of water pressure buffering principle to wash structure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137216B (en) * 1961-06-09 1962-09-27 Consortium Elektrochem Ind Process and device for the continuous production of aqueous polymer dispersions
US5067819A (en) * 1990-05-11 1991-11-26 Heinhold Duane H Cleaning and sanitizing system for frozen dessert mixing machine
JP3076589B2 (en) * 1990-08-22 2000-08-14 旭エンジニアリング株式会社 Distributed processing station in moving tank production system
IT1257556B (en) * 1992-11-27 1996-01-30 Lawer Srl DEVICE FOR THE PREPARATION OF MIXTURES, FOR EXAMPLE FOR THE PREPARATION OF DYEING SOLUTIONS IN TEXTILE PLANTS.
JP2915850B2 (en) * 1996-09-03 1999-07-05 川崎重工業株式会社 Stirrer
JP3721042B2 (en) * 2000-03-15 2005-11-30 武州工業株式会社 Juicer
JP4000807B2 (en) * 2001-10-01 2007-10-31 富士電機リテイルシステムズ株式会社 Cup vending machine

Also Published As

Publication number Publication date
WO2004080580A1 (en) 2004-09-23
EP1603664A1 (en) 2005-12-14
CN1780684A (en) 2006-05-31
DE602004009672D1 (en) 2007-12-06
DE602004009672T2 (en) 2008-08-14
NL1022932C2 (en) 2004-09-16
CN100361738C (en) 2008-01-16
ATE376452T1 (en) 2007-11-15

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