WO2006077237A1 - Melangeuse pour produits fluides - Google Patents

Melangeuse pour produits fluides Download PDF

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Publication number
WO2006077237A1
WO2006077237A1 PCT/EP2006/050315 EP2006050315W WO2006077237A1 WO 2006077237 A1 WO2006077237 A1 WO 2006077237A1 EP 2006050315 W EP2006050315 W EP 2006050315W WO 2006077237 A1 WO2006077237 A1 WO 2006077237A1
Authority
WO
WIPO (PCT)
Prior art keywords
mobile
fixed
mixing machine
container
fixed part
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.)
Ceased
Application number
PCT/EP2006/050315
Other languages
English (en)
Inventor
Guido Greco
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.)
CPS Color Equipment SpA Con Unico Socio
Original Assignee
CPS Color Equipment SpA Con Unico Socio
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 CPS Color Equipment SpA Con Unico Socio filed Critical CPS Color Equipment SpA Con Unico Socio
Publication of WO2006077237A1 publication Critical patent/WO2006077237A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/50—Mixers with shaking, oscillating, or vibrating mechanisms with a receptacle submitted to a combination of movements, i.e. at least one vibratory or oscillatory movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F29/00—Mixers with rotating receptacles
    • B01F29/10—Mixers with rotating receptacles with receptacles rotated about two different axes, e.g. receptacles having planetary motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/24—Mixing the contents of independent containers, e.g. test tubes the containers being submitted to a rectilinear movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/25—Mixing the contents of independent containers, e.g. test tubes the containers being submitted to a combination of movements other than within a horizontal plane, e.g. rectilinear and pivoting movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/20—Mixing the contents of independent containers, e.g. test tubes
    • B01F31/27—Mixing the contents of independent containers, e.g. test tubes the vibrations being caused by electromagnets
    • 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
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/42—Clamping or holding arrangements for mounting receptacles on mixing devices
    • B01F35/423—Clamping or holding arrangements for mounting receptacles on mixing devices of the vertically movable, two-plates type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel

Definitions

  • the present invention concerns a mixing machine able to mix a fluid product, such as for example a painting substance, contained inside a container, imparting to the container determinate oscillatory and/or rotational movements around one or more axes of rotation.
  • a fluid product such as for example a painting substance
  • an autonomous motor unit is provided, which comprises a part which is fixed at least relative to the element on which it is mounted, and a part mobile linearly, or rotationally, with respect to the fixed part.
  • Each motor unit is fed and controlled autonomously with respect to the possible other motor units .
  • Known mixing machines are able to impart to a container, which contains a fluid product, such as for example a paint, a determinate mixing cycle consisting of a programmed sequence of movements that can be either of the oscillatory type, usually on a vertical axis , or of a rotational type, or of a mixed oscillatory and rotational type .
  • a fluid product such as for example a paint
  • a determinate mixing cycle consisting of a programmed sequence of movements that can be either of the oscillatory type, usually on a vertical axis , or of a rotational type, or of a mixed oscillatory and rotational type .
  • the rotational movements can take place on a single axis , vertical , horizontal or inclined, or on several axes , thus giving rise to gyroscopic or orbital movements .
  • Mixing machines are also known, of the gyroscopic type with two rotational movements on axes of rotation that are perpendicular to each other, which comprise a single electric motor, mounted on their bearing structure .
  • the electric motor supplies motion to a first rotary frame, on which a second rotary frame is mounted.
  • the rotational motion of the latter is taken from the rotation of the first rotary frame by means of a second mechanical transmission unit. Consequently, the transmission ratio between the two rotary frames , during the motion, is always the same and can possibly be modified by the operator only when the machine is stationary, for example using a mechanical-type speed change .
  • known mixing machines have a very high consumption of electric energy with respect to the actual work done during the mixing cycle, both because of their poor mechanical performance and also due to the fact that the secondary movement, which is often the most efficient for mixing purposes , derives from and is determined by the main movement, so that a high quantity of electric energy is absorbed by the single motor and by the control electronics .
  • a further disadvantage of known mixing machines is that the poor reliability of the mechanical transmissions used prevents disposing adequate viscous-elastic damper devices between the dynamic parts subject to unbalanced loads and the fixed parts .
  • a further disadvantage of known mixing machines is their noisiness , so that it is necessary to provide an adequate sound-proofing of the walls , increasing the thickness thereof and/or using special sound-proofing materials .
  • One purpose of the present invention is to achieve a mixing machine which is provided with motor means able to move the container containing the fluid product to be mixed, which allow to obtain high performance, limited bulk, limited stresses and vibrations on the frame, and high reliability, in order thus to reduce to a minimum the interruptions in service due to possible breakdowns , or the necessary replacement of worn or damaged parts , and which at the same time do not make much noise during functioning.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain this and other purposes and advantages .
  • a mixing machine is able to mix together fluid products contained in a container and comprises a fixed frame , support means able to support the container and first motor means , able to move the support means with respect to the fixed frame so as to mix the fluid products .
  • the first motor means comprise a fixed part, functioning as an inductor and made in a piece with, or mounted on, the fixed frame , and a mobile part, functioning as a mobile armature, made in a piece with, or mounted on, the support means and able to cooperate with the fixed part.
  • At least one of the parts comprises one or more permanent magnets while the other comprises one or more windings, which are able to be selectively fed with an electric current in order to achieve a reciprocal motion of the fixed part and the mobile part .
  • the electric current which can be either direct or alternating, supplied to the windings of the fixed part, or respectively mobile part, interacts with the constant magnetic field generated by the permanent magnets with which the mobile part or, respectively, fixed part, is made , so as to generate a force that causes the reciprocal displacement of the mobile part with respect to the fixed part.
  • the support means and the relative container with respect to the fixed frame as desired, without needing a mechanical transmission that transmits the motion from a fixed electric motor to the support means .
  • the support means are selectively removable, together with the mobile part, from the fixed frame and from the corresponding fixed part. In this way it is possible to mount on the same mixing machine different support means in order to thus carry out a plurality of different mixing cycles .
  • one of the parts , fixed or mobile is shaped so as to define a cavity inside which the mobile or respectively fixed part is disposed.
  • both the cavity and the mobile or fixed part inserted therein are substantially cylindrical in shape and are coaxial with each other.
  • the windings are disposed on a first cylindrical surface of the cavity, or the corresponding fixed or mobile part inserted therein.
  • the permanent magnets instead, are disposed on a second cylindrical surface coaxial with the first cylindrical surface of the respectively mobile or fixed part.
  • the windings of the fixed or mobile part are supplied with current, the mobile part rotates with respect to the fixed part and, consequently, the support means rotate with respect to the fixed frame .
  • the windings are disposed aligned on one of said parts , fixed or mobile , while the permanent magnets are aligned on the other part, respectively mobile or fixed, so as to be adjacent to the windings .
  • the mobile part moves in alternating motion with respect to the fixed part and consequently the support means move with alternating motion with respect to the fixed frame .
  • the mixing machine according to the present invention also comprises motor means able to move the container with respect to the support means .
  • the support means comprise clamping means able to clamp the container in a determinate operating position.
  • the movements of the container both with respect to the fixed frame and also with respect to the mobile frame are independent from each other and allow to optimize the mixing cycle in relation to the specific rheological properties of the fluid products to be mixed.
  • the mixing machine according to the present invention is therefore very versatile and it is also possible, for example , to activate only the second motor means and hence move the container only with respect to the support means .
  • the second motor means comprise a stator, made in a piece with or mounted on the support means , and a rotor, made in a piece with or mounted on the clamping means , cooperating with the second stator so as to impart to the container a rotational movement around its longitudinal axis .
  • the mixing machine comprises control means able to autonomously control and command the functioning of the motor means according to the mixing cycle to be carried out .
  • the control means function by automatically regulating, both in terms of duration and in terms of intensity, the supply of electric current to the first and/or second motor means .
  • the control means through the motor means , allow to acquire in real time information on the functioning of the mixing machine, carrying out evaluations , local or remote, on the need to perform preventative maintenance , and also optimizing the mixing cycle in relation to the load conditions .
  • control means allow to eliminate devices for repositioning the container both in the initial position, and in a vertical and radial direction.
  • the mixing machine according to the present invention is very quiet, not bulky, especially in depth, due to the absence of mechanical transmission members disposed in the rear part, and also allows to perform mixing cycles which are personalized, not traditional, for example of the impulsive and/or bouncing type, exploiting the new construction characteristics and the properties of the motor means .
  • - fig . 1 is a schematic side view, partly sectioned, of a first form of embodiment of a mixing machine according to the present invention
  • - fig. 2 is a section from II to II of a detail of fig . 1 ;
  • - fig. 3 is a schematic side view, partly sectioned, of a variant of the mixing machine in fig. 1 ;
  • - fig. 4 is a section from IV to IV of a detail of fig . 3 ;
  • - fig. 5 is a schematic front view, partly sectioned, of a second form of embodiment of a mixing machine according to the present invention
  • - fig. 6 is a schematic front view of a variant of the mixing machine in fig. 5 ;
  • - fig. 7 is a front view, partly sectioned, of the same detail of fig. 1 and fig. 6 ;
  • - fig. 8 is a schematic side view, partly sectioned, of another variant of the mixing machine in fig. 1.
  • a mixing machine 10 is of the gyroscopic type, that is , able to simultaneously impart to a container 12 , containing a fluid product to be mixed, for example paint, a main rotational movement around an axis X, substantially horizontal, and also a secondary rotational movement around a longitudinal axis Y of the container 12 itself , perpendicular to the axis X.
  • the mixing machine 10 comprises a base 13 resting on the floor, a fixed frame 14 mounted on the base 13 , and a damper device 15 located between the base 13 and the fixed frame 14 and able both to dampen the vibrations which are generated during the mixing cycle , and also to reduce noise .
  • the damper device 15 comprises , for example , a plurality of springs , or other viscous-elastic means of a known type .
  • a first motor unit 16 is mounted on the fixed frame 14 and a support unit 17 is able to support the container 12 and is associated with the first motor unit 16.
  • a control unit 18 is provided to control at least the drive of the first motor unit 16.
  • the first motor unit 16 ( fig. 2 ) comprises a first stator 20 , made in a piece with or mounted on the fixed frame 14 , and a first rotor 21 , associated with the support unit 17 as will be explained in more detail later .
  • the first rotor 21 is shaped so as to have an inner cavity 21a ( fig. 1 ) , substantially cylindrical in shape, which is able to be disposed coaxially with the first stator 20 , also cylindrical in shape .
  • the first rotor 21 is selectively removable from the first stator 20 , consequently the support unit 17 , with which the first rotor 21 is associated, is removable from the fixed frame 14.
  • the support unit 17 comprises a mobile frame 22 , keyed onto a shaft 11 , or shaped so as to define its own rotation shaft, coaxial with the axis X and mounted rotatable on the fixed frame 14 by means of two bearings 19.
  • the support unit 17 also comprises a supporting plate 23 , on which the container 12 is able to be rested, and a pressure plate 24 , mounted sliding on the mobile frame 22 and able to press the container 12 against the supporting plate 23 , so as to clamp it in a determinate position.
  • the supporting plate 23 is keyed onto a shaft 30 , or is shaped so as to define its own rotation shaft, coaxial with the axis Y and in turn mounted rotatable with respect to the frame 22 by means of bearings 40.
  • the pressure plate 24 is able to rotate together with the supporting plate 23.
  • a second motor unit 25 is able to make the supporting plate 23 rotate, and the container 12 disposed thereon, with respect to the mobile frame 22.
  • the second motor unit 25 ( fig. 7 ) comprises a second stator 26 , made in a piece with, or mounted on the mobile frame 22 , and a second rotor 27 , made in a piece with or mounted on the supporting plate 23.
  • the second stator 26 and the second rotor 27 are cylindrical in shape and are coaxial with the longitudinal axis Y.
  • the second stator 26 is disposed inside the second rotor 27.
  • the latter is able to rotate with respect to the second stator 26 so as to allow the secondary rotational movement of the container 12 around the longitudinal axis Y .
  • the second rotor 27 is selectively removable with respect to the second stator 26 , and consequently the supporting plate 23 is removable with respect to the mobile frame 22.
  • the two stators 20 and 26 ( figs . 2 and 7 ) , in this case, each comprise a plurality of windings 28 which are disposed suitably distanced on their outer circular surface and are made of conductive material, for example copper or aluminum.
  • the two rotors 21 and 27 instead, each comprise a plurality of permanent magnets 29 , which are disposed suitably distanced on their inner circular surface in order to generate a constant magnetic field.
  • Both the stators 20 and 26 are able to be fed autonomously and independently with electric current supplied by the control unit 18 , which is programmed to effect the desired mixing cycle, or set according to the fluid product to be mixed.
  • the first stator 20 is fed through a first cable 41 , connected to the control unit 18 , while the second stator 26 is fed by means of a second cable 42 , also connected to the control unit 18.
  • the latter receives electric current through sliding contacts of a known type , for example brushes 43 , mounted on the fixed frame 14 in correspondence with one end of the shaft 11.
  • each current supplied to the first stator 20 and to the second stator 26 interacts with the constant magnetic field generated by the permanent magnets 29 of the first rotor 21 and the second rotor 27 so that, on these latter two, a force acts such as to make them rotate with respect to the relative stators 20 and 26.
  • This force is proportional to the intensity of the current supplied to each stator 20 and 21 , so that, the greater the intensity of the current supplied, the greater is the force acting on the corresponding rotors 21 and 27 , and hence the greater is the speed at which the container 12 is made to rotate around the axes X and respectively Y.
  • the first stator 20 that is provided with a cylindrical cavity 20a, on the cylindrical surface of which the windings 28 are disposed, while the first rotor 21 , with its permanent magnets 29 , is disposed inside the first stator 20 coaxial therewith.
  • the supporting plate 23 and the pressure plate 24 are replaced by a universal basket 44 , able to contain the container 12 and associated with the second rotor 27.
  • the universal basket 44 can be, for example, of the type described in the patent application UD-A-2004000138 , filed on 01.07.2004 by the present Applicant.
  • a mixing machine 110 ( fig . 5 ) according to the present invention is of the vibratory type, that is, able to impart to the container 12 an alternating vertical movement.
  • the mixing machine 110 comprises the control unit 18 , the base 13 , a fixed frame 114 , mounted on the base 13 , and a first damper device comprising in this case a group of springs 31 located between the fixed frame 114 and the base
  • Two motor units 116 controlled by the control unit 18 , are mounted on the fixed frame 114 and are able to impart an alternating vertical movement to a mobile support 117 , able to support the container 12.
  • the mixing machine 110 also comprises a second damper device comprising in this case a plurality of springs 32 disposed between an upper cross-piece 35 of the fixed frame 114 and the upper part of the mobile support 117 and also between the lower part of the latter and a base 33 of the fixed frame 114.
  • a second damper device comprising in this case a plurality of springs 32 disposed between an upper cross-piece 35 of the fixed frame 114 and the upper part of the mobile support 117 and also between the lower part of the latter and a base 33 of the fixed frame 114.
  • the fixed frame 114 comprises two outer uprights 34 , disposed in correspondence with opposite ends of the base
  • Each motor unit 116 in this case, comprises an inductor
  • Each inductor 37 comprises two or more rows of windings 28 , mounted on a corresponding inner upright 36 and fed with electric current through the first cable 41 , connected to the control unit 18.
  • Each mobile armature 39 instead, comprises a corresponding number of rows of permanent magnets 29 , each facing the relative row of windings 28 of the corresponding inductor 37.
  • the inductors 37 of both the motor units 116 are fed with a current impulse having a determinate intensity.
  • This current impulse cooperating with the constant magnetic field generated by the permanent magnets 29 of the corresponding mobile armatures 39 , causes a force to act on the mobile support 117 such as to lift it upwards .
  • the springs 32 react to the vertical movement of the mobile support 117 by thrusting it alternately downwards and upwards .
  • This alternating movement is exhausted after a certain period of time, which depends on the intensity of the current impulse supplied to the inductors 37. Consequently, according to the duration of the mixing cycle to be effected, the control unit 18 supplies to the inductors 37 a determinate number of current impulses depending on the type of product to be mixed.
  • the mixing machine 110 is of the roto-vibratory type , that is , able to simultaneously impart to the container 12 a main alternating movement on the vertical plane and a secondary rotational movement around the longitudinal axis Y of said container .
  • the supporting plate 23 , the pressure plate 24 and the second motor unit 25 are mounted on the mobile support 117.
  • the second motor unit 25 is fed with electric current through the second cable 42 , also connected to the control unit 18. It is clear that modifications and/or additions of parts may be made to the mixing machine 10 , 110 as described heretofore, without departing from the field and scope of the present invention.
  • a counter-weight is mounted on the mobile frame of the mixing machine 10 , so as to reduce the shaking and vibrations caused by the centrifugal force due to the masses rotating around the axis X .

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Accessories For Mixers (AREA)

Abstract

L'invention concerne une mélangeuse (10) pour produits fluides comprenant un cadre fixe (14), un support (17) pour un contenant (12) destiné à contenir les produits fluides à mélanger, ainsi qu'un bloc moteur (16) pouvant déplacer le support (17) par rapport au cadre fixe (14). Ledit bloc moteur (16) comprend un élément fixe (20), qui fait partie intégrante du cadre fixe (14) ou qui est monté sur celui-ci, ainsi qu'un élément mobile (21), qui fait partie intégrante du support (17) ou qui est monté sur celui-ci, l'élément mobile (21) pouvant coopérer avec l'élément fixe (20). L'élément fixe (20) ou l'élément mobile (21) du bloc moteur (16) comprend un ou plusieurs aimants permanents (29) et l'autre élément, mobile (21) ou fixe (20), comprend un ou plusieurs bobinages électriques (28) qui peuvent être alimentés en vue de produire un mouvement alternatif des deux éléments, fixe (20) et mobile (21).
PCT/EP2006/050315 2005-01-20 2006-01-19 Melangeuse pour produits fluides Ceased WO2006077237A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUD2005A000005 2005-01-20
IT000005A ITUD20050005A1 (it) 2005-01-20 2005-01-20 Macchina miscelatrice per prodotti fluidi

Publications (1)

Publication Number Publication Date
WO2006077237A1 true WO2006077237A1 (fr) 2006-07-27

Family

ID=35134188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/050315 Ceased WO2006077237A1 (fr) 2005-01-20 2006-01-19 Melangeuse pour produits fluides

Country Status (2)

Country Link
IT (1) ITUD20050005A1 (fr)
WO (1) WO2006077237A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016149066A1 (fr) * 2015-03-13 2016-09-22 Steak'n Shake Enterprises, Inc. Mélangeur à agitation rapide pour produits alimentaires
CN106659988A (zh) * 2014-06-17 2017-05-10 快速和流体管理私人有限公司 用于粘性流体的混合器以及混合粘性流体的方法
EP4497495A1 (fr) * 2023-07-26 2025-01-29 PPG Industries Ohio, Inc. Récipient et dispositif de mélange de peinture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934804A (en) * 1997-02-12 1999-08-10 Grant Instruments (Cambridge) Limited Shaking apparatus which selectively provides linear or orbital shaking motion
US20030081499A1 (en) * 2001-11-01 2003-05-01 Friedman Mitchell A. Multidirectional shaker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934804A (en) * 1997-02-12 1999-08-10 Grant Instruments (Cambridge) Limited Shaking apparatus which selectively provides linear or orbital shaking motion
US20030081499A1 (en) * 2001-11-01 2003-05-01 Friedman Mitchell A. Multidirectional shaker

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106659988A (zh) * 2014-06-17 2017-05-10 快速和流体管理私人有限公司 用于粘性流体的混合器以及混合粘性流体的方法
CN106659988B (zh) * 2014-06-17 2019-12-03 快速和流体管理私人有限公司 用于粘性流体的混合器以及混合粘性流体的方法
WO2016149066A1 (fr) * 2015-03-13 2016-09-22 Steak'n Shake Enterprises, Inc. Mélangeur à agitation rapide pour produits alimentaires
US10076124B2 (en) 2015-03-13 2018-09-18 Steak 'n Shake Enterprises, Inc. Rapid-agitation mixer for food products
EP4497495A1 (fr) * 2023-07-26 2025-01-29 PPG Industries Ohio, Inc. Récipient et dispositif de mélange de peinture
WO2025021639A1 (fr) * 2023-07-26 2025-01-30 Ppg Industries Ohio, Inc. Récipient et dispositif de mélange de peinture

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