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
  • B01F27/88—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with a separate receptacle-stirrer unit that is adapted to be coupled to a drive mechanism
• • 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
  • B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
  • B01F27/2124—Shafts with adjustable length, e.g. telescopic shafts
• • 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
  • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
  • B01F35/32—Driving arrangements
  • B01F35/321—Disposition of the drive
  • B01F35/3214—Disposition of the drive at the upper side of the axis, e.g. driving the stirrer from the top of a receptacle
• • 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
  • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
  • B01F35/412—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting both extremities of the shaft
  • B01F35/4121—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting both extremities of the shaft at the top and at the bottom of the receptacle, e.g. for performing a conical orbital movement about a vertical axis
• • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
  • B01F33/50—Movable or transportable mixing devices or plants
  • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
  • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S366/00—Agitating
  • Y10S366/605—Paint mixer

Definitions

• the present invention relates to a stirring device and its method of adjustment.
• the present invention relates to a paint box agitator suitable for both depths of 0.5 L and IL and can be placed in stirring cabinets where paint cans are used. are either placed on a shelf or hung on their lid.
• paint cans suitable for these types of cabinets include a cylindrical pot, closed by a lid preferably with a handle.
• the cover is crossed by an axis which comprises, on its upper part, a drive means which can be either a drive fork for the so-called put boxes, or a drive gear for the so-called suspended boxes.
• the shaft carries a stirring blade and is able to drive it in rotation by means of the drive fork or the drive pinion, thus allowing the stirring of the paint contained in each pot present in the stirring cabinet.
• the lid can fit boxes of different diameters.
• the lid In the case of boxes placed, the lid is movable in translation relative to the axis, which allows to adapt to boxes of different depths (corresponding to contents for example of 0.5 L and IL).
• the dimensions of the blade (s) are limited by the dimensions of the smallest box. In a larger box, the blade (s) may not be sufficient for good agitation.
• a known solution to this problem is to use different stirring devices for boxes of different depths.
• the blade (s) are movable in translation relative to the axis, which makes it possible to adapt to boxes of different depths (corresponding to contents of, for example, 0.5 L and IL).
• the dimensions of the blade (s) are limited by the dimensions of the smallest box.
• the blade (s) may not be sufficient for good agitation. There is therefore the same problem of imperfect agitation in large boxes.
• EP 0 394 087 discloses a stirrer cover for automotive body color lacquer boxes having a rotary stirring shaft provided with a stirring blade.
• the stirring blade is axially movable. Indeed, it is slidably mounted on a small portion of the axis as shown in particular in Figures Ib and la.
• the device of EP 0 394 087 does not allow to adapt to both paint box depths of 0.5L and IL.
• the low translation travel of the blade does not allow it to be able to suit both 0.5L paint cans and paint cans with a doubled volume, that is to say, IL .
• the blade is either too big to fit in the 0.5L pot, or too small to allow good agitation and homogenization of the paint present in IL pots. This device is not suitable for so-called boxes placed in a stirring cabinet.
• the subject of the invention is a stirring device comprising at least one axis, a first blade stirring means and a second blade stirring means, each blade stirring means comprising a blade stirring means.
• blade mounted integral in rotation of said axis directly or indirectly, each blade body carrying at least one blade, said first and second stirring means being mounted axially movable relative to each other, characterized in that the blade body of the second stirring means is permanently mounted freely telescopic interlocking on the blade body of the first stirring means between at least two positions, said one of approximation, corresponding to a so-called short configuration in which the blade bodies of the stirring means are brought closer to one another axially and a so-called spacing position corresponding to a so-called long configuration, in which the blade bodies of the stirring means ation are spaced from each other axially, at least the extreme position of spacing being delimited by a stop.
• paddle stirring By means of paddle stirring is meant a stirring means comprising one or more blades.
• the blade stirring means can be permanently animated with an axial relative displacement due to their sliding-fitting free assembly, said blade stirring means can be automatically under the sole effect of their own weight, positioned relative to each other in different positions corresponding to different depths of boxes (for example boxes of 0.5L and IL), so as to ensure good agitation over the entire height of the box .
• boxes for example boxes of 0.5L and IL
• the telescopic or sliding interlocking assembly makes it possible to increase the range of variation of distance between the blades.
• each of the blade stirring means is further axially movable relative to the axis.
• Such a design of the stirring device makes it possible to increase the range over which the relative position between said stirring means can be varied.
• the extreme positions of approach and spacing, between which the first and second stirring means are mounted axially movable are delimited by stops.
• the blade stirring means have intermediate configurations in which the blades are further apart from each other than in short configuration and less spaced apart than in long configuration.
• the blade body of the second stirring means is a tube split over a part of its length, the slot of which forms an opening through which the blade of the first stirring means travels during the axial relative displacement of the first and second means of agitation. It is thus possible to obtain a short configuration in which the blades are extremely close together.
• the abutment delimiting said extreme position of separation is formed by the bottom of said opening of the blade body of the second stirring means, said bottom being able to abut against the zone of connection of the blade of the first means of stirring with the corresponding blade body.
• the abutment delimiting said extreme position of approach is formed by an end-of-travel notch formed at the end of the blade body of the second stirring means, situated on the bottom side of the slot traversed by the blade of the first means of agitation, said notch being adapted to abut against a lug disposed at or near an end of the blade body of the first stirring means.
• the two blade bodies overlap at least part of the axis.
• at least one of the blade body extends in the extension of the axis.
• This first embodiment makes it possible to adapt the stirring device in so-called suspended boxes in a stirring cabinet.
• the blade bodies surround said axis.
• This second embodiment makes it possible to adapt the stirring device in boxes said to be placed in a stirring cabinet.
• the blade body of the second stirring means is mounted telescopically interlocking on the blade body of the first stirring means.
• the first stirring means being able to take at least two distinct axial positions with respect to said axis
• said device comprises retaining means making it possible to retain the first blade stirring means with respect to the axis in at least one of said two distinct axial positions.
• the retaining means comprise two grooves formed in the inner wall of the blade body of the first stirring means, said grooves being of different lengths and spaced apart angularly to selectively cooperate with an abutment arranged on said axis to allow the passage of the first blade stirring means from the high position to the low position and vice versa.
• the retaining means comprise a groove formed in the inner wall of the blade body of the first stirring means, said groove being intended to cooperate with an abutment arranged on said axis to allow the passage from the high position to the low position and vice versa.
• the abutment of the axis is located at or near its lower end. According to the second embodiment, the abutment of the axis is located at a distance from its lower end.
• the subject of the invention is also a method for adjusting an agitation device according to the invention, said device being intended for stirring liquid contained in boxes of variable height.
• the passage from the high position to the low position of the first stirring means relative to the axis, and vice versa, is performed automatically by simply sliding the first stirring means along the axis axis when said device is mounted in a box of different height.
• the method comprises the following steps:
• the stirring device removing the stirring device from a first box containing a liquid to be mixed, the first stirring means being in the high or low position with respect to the axis,
• FIG. 1 shows in perspective and exploded a stirring device according to an embodiment of the present invention, particularly for the so-called suspended boxes,
• FIG. 2 represents a perspective view of the lower blade of the stirring device of FIG. 1;
• FIG. 3 represents a perspective view of the upper blade of the stirring device of FIG. 1;
• FIG. 4 represents a perspective view of the axis of the stirring device of FIG. 1;
• FIG. 5 represents a perspective view of an axis of the stirring device according to a second embodiment
• FIGS. 6 and 7 show the stirring device according to the first embodiment respectively in a short configuration and a long configuration
• FIGS. 8 and 9 show the stirring device according to the second embodiment, intended in particular for so-called put boxes, respectively according to a short configuration and a long configuration.
• a stirring device 1a according to a first embodiment is illustrated.
• the stirring device shown in these figures fits as indicated above boxes said suspended at their cover in a stirring cabinet.
• the stirring device la comprises a lid 50a intended to close a box 50, an axis 13 passing through the lid 50a, two blade stirring means 2, 3 carried by the pin 13 on one side of the lid 50a, and a drive gear 53 carried by the axis of the other side of the cover 50a.
• the axis 13 has a stop 11 at its lower end 17, the other end 16 of the shaft 13 carrying the drive pinion 53, so that the axis 13 can be rotated by the latter. .
• the stirring device also comprises two blade stirring means: an upper blade stirring means 3 and a lower blade stirring means 2.
• the blade stirring means 2 and 3 are movable with each other so as to form a telescopic interlock, and are also movable relative to the axis 13.
• the upper blade stirring means 3 comprises an upper blade body 7 of substantially cylindrical, preferably hub-like, tubular shape and an upper blade 5.
• This upper blade 5 is connected radially to the upper blade body 7.
• the lower blade stirring means 2 comprises a tubular lower body 6, preferably substantially cylindrical, hub-type and a lower blade 4, said blade 4 being connected radially to the body of lower blade 6.
• the lower blade body 6 and upper 7 are coaxial with respect to the axis 13, so that the lower blade body 6 is adapted to fit into the upper blade body 7. More particularly , the upper blade body 7 is able to surround the axis 13, while the lower blade body 6 is able to surround the upper blade body 7.
• the blade stirring means 3 and 2 can thus take several configurations depending on the desired position of one blade relative to the other: a short configuration, a long configuration or intermediate configurations.
• short configuration the upper and lower blade bodies are at maximum overlap.
• the upper and lower blade bodies thus have, in short configuration, a length of their overlap area taken parallel to the longitudinal axis of said body greater than the length of the overlap zone in long configuration.
• long configuration these same bodies are minimal overlap.
• the upper blade body is, by its upper end, overlapping the lower end of the upper blade body in vertical disposition of said bodies.
• the lower blade body 6 can, because of the free assembly sliding interlocking on the other blade body, move from the short configuration to the long configuration under the effect of its own weight in the vertical position of the axis 13.
• the upper blade 5 and the lower blade 4 extend substantially at the same level in the axial direction.
• the lower blade body 6 almost completely covers the length of the upper blade body 7 and both cover at least partially the axis 13.
• the upper stirring means 3 is said in high position relative to the axis 13.
• the blades 5 and 4 are spaced apart from one another in the axial direction and the two blade bodies 6 and 7 extend in the extension of the axis 13.
• the upper stirring means 3 is, as shown in FIG. 7, in the lower position relative to the axis 13.
• the stirring means 3 and 2 are in abutment one against each other. In some cases, they may not be in abutment, especially when the blade stirring means are in intermediate configurations.
• the blades 4 and 5 are further apart from each other in short configuration, but less apart than in long configuration.
• the lower blade body 6 has a longitudinal opening 8 over almost its entire length, except on a portion at its upper end 20 forming the bottom 28 of the opening 8.
• the portion of the upper blade 5 connected to the body upper blade 7 is able to pass through the opening 8 and abut against the bottom 28 in long configuration.
• the lower blade body 6 comprises a longitudinal rib 25 on its inner wall, adapted to cooperate with a groove 23 disposed longitudinally on the outer wall of the upper blade body 7.
• the longitudinal rib 25 and the groove 23 prevent relative rotation of the means
• the axis 13 driven in rotation by the drive pinion 53, rotates the upper blade stirring means 3, which in turn drives the stirring means. at lower blade 2.
• the lower blade body 6 has a notch 10 at its upper end 20.
• This notch 10 end of stroke is adapted to receive a lug 9 disposed on the upper end 21 of the upper blade body 7.
• L 9 is able to abut in the end-of-stroke notch 10, thus forming the abutment of the stirring means in short configuration.
• the upper stirring means 3 can be inserted inside the lower stirring means 2 by a simple pressure, a temporary deformation of the blades allowing the ergot 9 to pass the end 20 of the lower blade 2.
• the inner wall of the upper blade body 7 has two diametrically opposed grooves.
• One of the grooves 27 extends longitudinally from the lower end 22 of the upper blade body 7 to substantially, but without reaching, the upper end 21 of said upper blade body 7.
• the other groove 24 presents on the inner wall of the blade body 7 is also longitudinal, but extends to from the lower end 22, over a smaller distance, generally substantially equal to the length of the stop 11.
• the grooves 24 and 27 can be angularly offset by an angle different from 180 ° depending on their width .
• this first embodiment corresponding to the stirring device 1a, only the groove 27 cooperates with the abutment 11 of the axis 13.
• the stop 11 is at the end of the maximum stroke of the groove 27, the lower stirring means 2 abuts against the bottom 28 and the upper blade 5 is spaced from the lower blade 4.
• the upper stirring means 3 is thus in the lower position relative to the axis 13.
• the lug 9 abuts in the end slot 10 and the upper blade 5 is located at the same level as the lower blade 4, that is the upper stirring means 3 is in the upper position relative to to the axis 13.
• these means are in intermediate positions.
• the blades are therefore movable relative to the axis 13, which makes it possible to adapt to boxes of different depths.
• Groove 24 is only necessary for the second embodiment which will be presented below.
• FIGS 6 and 7 show a device according to the invention comprising a cover 50a for closing a paint pot 50 or 52.
• This cover comprises a drive pinion 53.
• This pinion 53 is connected to the axis 13.
• the stirring device is positioned in a shallow box, such as 0.5L.
• the paddle stirring means 2 and 3 are thus positioned in short configuration, so that the latter fit completely into the pot and that it can be closed thanks to the lid 50a.
• the blades 4 and 5 extend substantially at the same level in the axial direction and the two blade bodies 7 and 6 overlap the axis 13.
• the stop 11 is inserted into the groove 27 of the upper blade body 7.
• the stirring means 3 is in the up position with respect to the axis 13.
• the lower blade body 6 slides along the upper blade body 7 through the rib 25 cooperating with the rib 23 to reach the bottom of the paint bucket.
• the device is positioned in a pot of greater depth relative to the pot of Figure 6, such as a pot of IL.
• the stirring means 2 and 3 are in an intermediate configuration, close to the long configuration.
• the blades 4 and 5 are spaced from each other in the axial direction and the bodies of the blades 7 and 6 extend in the extension of the axis 13, without however that the upper blade 5 comes in abutment against the bottom 28 of the opening 8 (as it would be the case, in long configuration).
• the upper stirring means 3 is in the lower position with respect to the axis 13.
• the user of the stirring device has no additional manipulation to perform. Indeed, under the effect of gravity, the lower stirring means 2 will descend so as to touch the bottom of the box of greater depth.
• the stirring device Ib according to the second embodiment corresponds to a stirring device suitable for so-called boxes placed in a stirring cabinet.
• the stirring device Ib thus comprises a cover 50b intended to close a box 50 or 52, an axis 14 passing through the cover 50b, two blade stirring means 2, 3 identical to the first embodiment and consequently carrying the same references.
• the shaft 14 carries the blade stirring means 2, 3 on one side of the lid 50b, and on the other side of the lid 50b, the shaft 14 carries a drive fork 51 (or other means of rotation). 'training).
• This second embodiment differs little from the first mode described above, except that the device Ib comprises an axis 14 having a shape different from the axis 13.
• the blade stirring means 2 and 3 are also movable between them so as to form a telescopic engagement, and with respect to the axis 14.
• the blade bodies 7 and 6 are indeed coaxial with respect to the axis
• the lower blade body 6 is adapted to fit into the upper blade body 7. More particularly, the upper blade body 7 is able to surround the shaft 14, while the blade body 6 is able to surround the upper blade body 7.
• the paddle means 3 and 2 also take several configurations depending on the position of one blade relative to the other: a short configuration, a long configuration or intermediate configurations.
• a short configuration in the short configuration, the upper blade 5 and the lower blade 4 extend substantially at the same level in the axial direction and the lower blade body 6 almost completely covers the length of the upper blade body 7 and both come to cover the axis 14.
• the lug 9 in the short configuration, the lug 9 abuts against the end-of-stroke notch 10.
• the upper stirring means 3 is in position low compared to axis 14.
• the blades 5 and 4 are spaced from each other in the axial direction and the two blade bodies 6 and 7 which overlap only partially over a length of overlap smaller than the overlap length.
• short configuration covers the axis 14.
• a stop 12 of the axis 14 abuts in the small groove 24, of length substantially equal to the length of the stop 12, and the upper blade 5 abuts against the bottom 28 of the blade body 6.
• the upper stirring means 3 is in the up position as shown in FIG. 7 with respect to the axis 14.
• the blades 3 and 2 are preferably abutted against each other. As in the first embodiment, in some cases, they may not be in abutment, especially when the blades are in intermediate configurations.
• the short configuration stop can also be deleted.
• the blades 4 and 5 are further apart from each other in short configuration but less apart than in long configuration. So that the blades take these different configurations and as shown in Figure 5, the axis 14 has a length generally greater than the axis 13 of the first embodiment.
• the lower end 18 of the axis 14 touches the bottom of the paint pot in which the axis 14 is inserted, whether in short or long position.
• the upper end 15 of the axis 14 is connected to the drive fork 51 ( Figures 8 and 9). For this, a portion of the axis passes through the lid 50b.
• the axis 14 allows to take these different configurations in that it comprises a stop 12 which is not located at its lower end 18, but which on the contrary is at a distance from it.
• the stop 12 of the axis 14 is as indicated above intended to be housed either in the groove 24 of the upper blade body 7 so that the blade stirring means 2 and 3 are in a long configuration, either the stop 12 is intended to be housed in the groove 27 so that the blade stirring means 2 and 3 are in short configuration ( Figure 8). Therefore, in order to move from one configuration to another, it will be necessary to perform an additional manipulation with respect to the first embodiment, that is to say it will insert the stop 12 in the groove 24 (long configuration ) or the stop 12 in the groove 27 (short configuration). In other words, in order to go from one configuration to another, it is necessary to make an angular offset of the order of 180 °, since these two grooves are diametrically opposed.
• blades 2 and 3 and pins 13 and 14 are made by plastic molding.
• the axes 13 and 14 may also be made of other materials, for example stainless steel.
• FIGS 8 and 9 show the stirring device Ib comprising the lid 50b for closing the paint pot 50 or 52.
• FIG. 8 there is shown a stirring device Ib with the blade stirring means 2 and 3 in short configuration so that it can be contained in a shallow box, such as 0.5L.
• the stop 12 of the axis 14 is placed in the groove 27, so that the upper blade 5 and the lower blade 4 extend substantially at the same level in the axial direction, the upper stirring means 3
• the lower blade body 6 completely covers the length of the upper blade body 7 and both cover the axis 14.
• the lower end 18 of the axis 14 touches the bottom of the paint can, as do the ends 19 and 22 of the blade bodies 6 and 7 respectively.
• the blade stirring means 2 and 3 extend over the same portion of the axis 14.
• FIG 9 there is shown a device Ib with the blades 2 and 3 in a long configuration.
• the device Ib can adapt to a painting box of greater depth, and is able to homogenize the paint in an efficient manner.
• the blades 5 and 4 are spaced from each other in the axial direction and the two blade bodies 6 and 7 extend along said axis 14, the lower end of the lower blade body 6 being positioned at the lower end 18 of the axis 14.
• the upper blade 5 is in abutment against the bottom 28 of the lower blade body 6.
• the user of said device Ib must perform a prior manipulation.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Mixers Of The Rotary Stirring Type (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)
• External Artificial Organs (AREA)
• Accessories For Mixers (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

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Family Cites Families (22)

• 2008
  • 2008-06-20 FR FR0803444A patent/FR2932697B1/fr not_active Expired - Fee Related
• 2009
  • 2009-06-17 PL PL09766084T patent/PL2296796T3/pl unknown
  • 2009-06-17 WO PCT/FR2009/051150 patent/WO2009153522A1/fr not_active Ceased
  • 2009-06-17 AT AT09766084T patent/ATE533553T1/de active
  • 2009-06-17 US US13/000,162 patent/US8899825B2/en not_active Expired - Fee Related
  • 2009-06-17 EP EP09766084A patent/EP2296796B1/de not_active Ceased
  • 2009-06-17 CN CN200980122795.0A patent/CN102065986B/zh not_active Expired - Fee Related

Non-Patent Citations (1)

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