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WO2010091526A1 - Transporteur hélicoïdal vibrant pour dépoussiérer et ébavurer de petites pièces - Google Patents

Transporteur hélicoïdal vibrant pour dépoussiérer et ébavurer de petites pièces Download PDF

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Publication number
WO2010091526A1
WO2010091526A1 PCT/CH2010/000037 CH2010000037W WO2010091526A1 WO 2010091526 A1 WO2010091526 A1 WO 2010091526A1 CH 2010000037 W CH2010000037 W CH 2010000037W WO 2010091526 A1 WO2010091526 A1 WO 2010091526A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibratory
vibration
helical path
balancing mass
drive
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/CH2010/000037
Other languages
German (de)
English (en)
Inventor
Hanspeter Buchegger
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.)
Kraemer AG Basserdorf
Original Assignee
Kraemer AG Basserdorf
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 Kraemer AG Basserdorf filed Critical Kraemer AG Basserdorf
Priority to EP10702989A priority Critical patent/EP2396258A1/fr
Publication of WO2010091526A1 publication Critical patent/WO2010091526A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G27/00—Jigging conveyors
    • B65G27/02—Jigging conveyors comprising helical or spiral channels or conduits for elevation of materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
    • A61J3/10—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of compressed tablets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G27/00—Jigging conveyors
    • B65G27/10—Applications of devices for generating or transmitting jigging movements
    • B65G27/16—Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
    • B65G27/24—Electromagnetic devices

Definitions

  • the invention relates to a vibratory bowl feeder for dedusting and deburring of small parts such as tablets, with a helical path, with a vibration output to put the helical track in a vibration with a horizontal rotary component and a vertical transverse component and with a suction device for extracting dust from the area of the helical path.
  • Such a device is known from document EP549533A1.
  • the movement which the helix carries out is generated by a vertically oscillating magnetic drive, the horizontal movement component being derived by a mechanical coupling by leaf springs.
  • the capacity of vibratory conveyors is determined by the throw rate, which is affected by frequency, amplitude, swing direction, and gravitational acceleration.
  • the direction of oscillation ie the angle of the resultant of the horizontal and vertical vibration component.
  • this angle is given by the arrangement of the leaf springs and can not be changed during operation.
  • a significant disadvantage of the known vibration conveyor with a balancing weight is that the moments of inertia on the one hand the payload, ie in particular the helical transport path, and on the other hand, the balancing mass in a certain Must be relative to each other. It should be noted that even by loading the train with small parts whose mass moment of inertia changes.
  • the present invention based on the object to overcome the disadvantages of the prior art and to propose a vibratory bowl feeder in which a vibratory drive is constructed so that it works practically independent of the length and loading of the web and in which the delivery characteristics can be adjusted during operation.
  • the vibration drive a housing, a web-carrying, movable anchor member, a movable balancing mass for compensating acting on the housing reaction forces, first drive means for displacing the anchor member in rotational vibrations, second drive means for displacing the anchor member in translational vibrations, third drive means for displacing the balancing mass into rotational vibrations and fourth drive means for displacing the balancing mass into translational oscillations.
  • the first and / or second and / or third and / or fourth drive means are electromagnetic drive means.
  • the vibration drive works in principle like an oscillating electric motor.
  • the first and / or second and / or third and / or fourth drive means each comprise at least one permanent magnet.
  • the permanent magnets are arranged in the movable components, so that these components can remain free of electrical lines.
  • a further embodiment provides that the anchor part and the leveling compound are rotatable independently of one another about an axis arranged coaxially with the helical path and are displaceable along this axis. In this way, the vibratory feeder is compact and requires little footprint.
  • the helical web is enclosed by an outer wall in the bottom of an inlet and above an outlet for the small parts is present and there are closing means for liquid-tight closing of the inlet. This allows the room to be flooded with a cleaning fluid and very easily cleaned using the vibratory drive.
  • a vibratory bowl feeder for dedusting and deburring of small parts such as tablets, with a helical path, with an outer wall enclosing the helical track, with a vibration driven to vibrate the helical track and with a suction device for sucking
  • dust from the region of the helical path is loosened by flooding the space within the outer wall with a liquid, and by causing the web to oscillate in flooded space by the vibration drive.
  • This solution has the advantage that eliminates the need for the prior art nozzles and lines and the pressure pump and that demioch a more thorough cleaning is achieved than in the known from the prior art vibratory feeder.
  • the vibrations have a frequency of more than 10,000 Oert Hertz, more preferably more than 15 O00 Hertz. Oscillations in this frequency range are particularly well suited to remove adhering particles inside the vibratory bowl feeder with the help of the liquid.
  • Fig. 2 is a vertical partial section through the drive housing of the vibratory bowl conveyor and
  • Fig. 3 is a horizontal section along the line III - III in Fig. 2nd
  • the location information chosen in the description e.g. top, bottom, side, etc. are related to the directly described and illustrated figure and are to be transferred to a new position in a change in position.
  • FIG. 1 an embodiment of the inventive vibratory spiral conveyor is shown in a highly simplified, vertical partial section.
  • An essential element is a helical path 1, which winds with its inner edge along the outside of a support tube 2 around this.
  • small parts such as tablets 4 are promoted.
  • the web 1 forms a groove by having a kink in the middle in cross-section.
  • a jacket tube 3 slipped, which advantageously consists of Plexiglas and so grants insight to the web 1.
  • Both the support tube 2 and the jacket tube 3 are closed at its upper end, both of which may have a lid not shown in the drawing.
  • a tablet inlet 6 is provided and at the top a tablet outlet 9.
  • the tablet inlet 6 can be closed tightly by a closure member 7.
  • the arrow 8 indicates the closing movement of the closure member 8.
  • the support tube 2 has at its periphery perforations 5, which may be formed as slots or holes and opens at its lower end into a closed base space 10.
  • a nozzle 11 is arranged at the bottom of the base space 10.
  • the nozzle 11 branches into an air tube 12 and a liquid tube 13 wherein in the branching a multi-way valve 14 is arranged, which is switchable according to the arrow 15.
  • the closure member 7 and the multi-way valve 14 are shown in Fig. 1 in the position they occupy in the operation described below, the vibratory turner for deburring and dedusting of tablets 4.
  • the space between the support tube 2 and the jacket tube 3 is closed at the bottom by a bottom 16.
  • a drive housing is referred to, are housed in which further described below functional parts for generating the vibrations.
  • the drive housing 18 is mounted on a base plate 19.
  • a liquid inlet 20 is arranged, whose function will be described later.
  • tablets 4 are fed to the vibratory bowl feeder through the tablet inlet 6 and travel upwards through the oscillations along the path 1 where they finally leave the vibratory bowl feeder through the tablet outlet 9. In this way, the tablets are thoroughly vibrated and rub against each other and on the web 1, whereby they lose any burrs due to this mechanical stress.
  • 12 air is sucked through the air tube, so that in the interior of the support tube 2, a negative pressure, whereby the dust between the support tube 2 and the jacket tube 3, which arises as a result of the mutually rubbing tablets 8 in this area, continuously through the apertures 5 of Carrier tube 2 into its interior and then sucked down over the nozzle 11 and the air tube 12.
  • the tablet inlet 6 is closed by the closure member 7 and the nozzle 11, the multi-way valve 14 is changed over so that the nozzle 11 is connected to the liquid pipe 13.
  • the oscillating drive is activated, preferably at a higher frequency, than during operation for dedusting and deburring. By these vibrations, all wetted by the washing liquid inner surfaces of the vibratory bowl conveyor are thoroughly freed from adhering particles.
  • the cleaning process is ended and the washing liquid is drained or sucked off through the liquid tube 13.
  • the multi-way valve 14 is changed over again and the closure member 7 is opened. Then air is sucked through the air pipe 12, whereby the entire interior is dried.
  • Fig. 2 shows a vertical partial section through the drive housing 18 of the vibratory feeder.
  • the web 1 is indicated only schematically at the top in the figure.
  • the drive housing is shown in FIG. 2 as a one-piece body, which of course is not feasible in practice. Rather, in the practical embodiment, the drive housing 18 will be assembled from several parts in order to install and remove the components contained therein.
  • the anchor plate 17 is arranged, which carries the web and all components hanging therewith and which has already been mentioned in connection with FIG.
  • a guide rod 21 is fixed.
  • the armature plate 17 is mounted with bearings 22 on the guide rod 21, such that the armature plate 17 with respect to the Anti ⁇ ebsgephase 18 both longitudinally and rotationally movable in the vertical direction.
  • Down in the drive housing 18 is a balancing mass 23 in the same manner as the anchor plate 17 with bearings 24 mounted vertically and rotatably movable.
  • the storage of the movable armature plate 17 and the balancing mass 23 is not limited to the illustrated embodiment, but may also be embodied differently.
  • the anchor plate 17 is held in the illustrated example by springs 25 in its vertical position with respect to the drive housing 18.
  • the balancing mass 23 is held by springs 26 in its vertical position with respect to the drive housing 18.
  • the springs 25, 26 have only a supporting function to hold the armature plate 17 and the counterweight 23 in their vertical position, of course, the systems thus formed, namely on the one hand the armature plate 17 with the components thereon and on the other hand, the balancing mass 23 respectively a resonant frequency. These resonant frequencies should be Least below and as far away from the working frequency.
  • windings 27 are arranged in the drive housing, which windings cooperate with opposing permanent magnets 28 arranged in the armature plate 17. Further windings 29 are arranged in the central region of the drive housing 18 and cooperate with vertically above adjacent, fixed in the armature plate 17 permanent magnet 30 - to force the armature plate 17 and the components constructed thereon a longitudinal vibration in the vertical direction.
  • 18 further windings 31 and in the balancing mass 23 cooperating with the windings 31 permanent magnets 32 are arranged in the drive housing, with which the counterweight 23 is set into rotational vibrations.
  • 18 windings 33 are housed in the central region of the drive housing, which cooperate with the end face in the balancing mass 23 fixed permanent magnets 34 to enable the balancing mass 23 in vertically directed transversal oscillations.
  • the windings 27, 29, 31 and 33 with the permanent magnets 28, 30, 32 and 34 are in principle electric motors, but in contrast to conventional motors perform an oscillating instead of a rotating movement.
  • the use of permanent magnets on the one hand increases the efficiency of the system, on the other hand, this eliminates a problematic cable connection to the oscillating parts.
  • windings 27 may be arranged in the drive housing 18 and a corresponding number of permanent magnets 28 in the armature plate 17. But it is also possible to install fewer or more windings and permanent magnets. The same applies to the not visible in Fig. 3 windings 29, 31, 33 and permanent magnets 30, 32, 34th
  • the maximum amplitudes of the movements of the armature plate 17 and the balancing mass 23 are relatively small.
  • the angle of rotation may be about 3 degrees and the vertical amplitude may be at most about 5mm.
  • the ratio of the rotational oscillation amplitudes of the armature plate 17 and the balancing mass 23 must be equal to the ratio of the moments of inertia of the armature plate 17 together with the components constructed thereon and the balancing mass.
  • the frequency plays no role, it must be the same only in the anchor plate 17 and the balancing mass 23 and are in antiphase.
  • the vibratory bowl feeder can be equipped with an automatic frequency control.
  • at least one sensor is arranged .
  • an acceleration sensor that detects vibrations of the drive housing and transmitted to the control of the device. This can then influence the oscillations of the balancing mass 23 in the sense that the vibrations measured on the drive housing 1 S are eliminated or at least minimized.
  • the vibratory bowl feeder described here by way of example may be flooded with a washing liquid in order to clean at least the areas which have come into contact with the small parts or dust released from them.
  • a completely flooded vibratory bowl feeder lends itself to ultrasonic cleaning in which the washing liquid is vibrated by means of appropriate transmitters. By the pressure surges adhering particles are detached on the surface.
  • a drive of the type described above capable of producing high frequencies in a range of, for example, more than 15 KHz, it is possible to use the lane 1 itself as an ultrasonic generator.
  • the drive concept described allows this with a corresponding inverter.
  • the amplitudes are much smaller than in normal operation. During the cleaning operation, it is not absolutely necessary to compensate for the free mass forces and moments, but it can be much more used in normal operation unwanted vibration of the drive housing 18, to rid this of adhering particles.

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  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Jigging Conveyors (AREA)

Abstract

L'invention concerne un transporteur hélicoïdal vibrant pour dépoussiérer et ébavurer de petites pièces comme des tablettes (4), comprenant une bande hélicoïdale (1), un entraînement vibratoire pour soumettre la bande hélicoïdale (1) à une vibration comportant une composante rotative horizontale et une composante transversale verticale, et un dispositif d'aspiration pour aspirer la poussière de la région de la bande hélicoïdale. L'entraînement vibratoire comporte un logement (18) une partie d'ancrage mobile (17) supportant la bande (1), une masse d'équilibrage mobile pour compenser des forces de réaction agissant sur le logement (18), un premier moyen d'entraînement pour amener la partie d'ancrage (17) à effectuer des oscillations de rotation, un deuxième moyen d'entraînement pour amener la partie d'ancrage (17) à effectuer des oscillations de translation, un troisième moyen d'entraînement pour amener la masse d'équilibrage à effectuer des oscillations de rotation et un quatrième moyen d'entraînement pour amener la masse d'équilibrage à effectuer des oscillations de translation. Grâce aux moyens d'entraînement indépendants les uns des autres, il est possible d'ajuster la caractéristique de transport pendant le fonctionnement et d'obtenir dans une large mesure un équilibrage des forces et des moments d'inertie libres.
PCT/CH2010/000037 2009-02-14 2010-02-10 Transporteur hélicoïdal vibrant pour dépoussiérer et ébavurer de petites pièces Ceased WO2010091526A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10702989A EP2396258A1 (fr) 2009-02-14 2010-02-10 Transporteur hélicoïdal vibrant pour dépoussiérer et ébavurer de petites pièces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH220/09 2009-02-14
CH00220/09A CH700441A1 (de) 2009-02-14 2009-02-14 Vibrationswendelförderer zum Entstauben und Entgraten von Kleinteilen.

Publications (1)

Publication Number Publication Date
WO2010091526A1 true WO2010091526A1 (fr) 2010-08-19

Family

ID=41258943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2010/000037 Ceased WO2010091526A1 (fr) 2009-02-14 2010-02-10 Transporteur hélicoïdal vibrant pour dépoussiérer et ébavurer de petites pièces

Country Status (3)

Country Link
EP (1) EP2396258A1 (fr)
CH (1) CH700441A1 (fr)
WO (1) WO2010091526A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390669A (zh) * 2011-06-02 2012-03-28 烟台力凯电子科技有限公司 一种振列机供料装置
CN114852633A (zh) * 2022-04-18 2022-08-05 深圳市高士达科技有限公司 一种可实现对工件表面铁屑灰尘清理的振动盘
US20230049805A1 (en) * 2016-10-14 2023-02-16 K-Tron Technologies, Inc. Vibration conveyor and method for regulating a vibration drive of a vibration conveyor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108607A (ja) * 1982-12-09 1984-06-23 Shinko Electric Co Ltd 垂直移送振動フイ−ダ
DE3931027A1 (de) * 1988-09-21 1990-03-22 Cew Industrieberatung Vorrichtung zur durchfuehrung verfahrenstechnischer prozesse
DE4014049A1 (de) 1989-05-11 1990-11-15 Hugo Feldpausch Schwingzufuehrgeraet
EP0549533A1 (fr) 1991-12-17 1993-06-30 Krämer Metallwarenfabrik Ag Dispositif pour ébarber et dépoussiérer des comprimés
EP1322533A1 (fr) 2000-10-04 2003-07-02 Krämer AG Bassersdorf Convoyeur oscillant autonettoyant destine a ebavurer, depoussierer, et lever des elements de petite taille
EP1616820A1 (fr) 2004-07-15 2006-01-18 Feintool International Holding Convoyeur hélicoidal à vibrations

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108607A (ja) * 1982-12-09 1984-06-23 Shinko Electric Co Ltd 垂直移送振動フイ−ダ
DE3931027A1 (de) * 1988-09-21 1990-03-22 Cew Industrieberatung Vorrichtung zur durchfuehrung verfahrenstechnischer prozesse
DE4014049A1 (de) 1989-05-11 1990-11-15 Hugo Feldpausch Schwingzufuehrgeraet
EP0549533A1 (fr) 1991-12-17 1993-06-30 Krämer Metallwarenfabrik Ag Dispositif pour ébarber et dépoussiérer des comprimés
EP1322533A1 (fr) 2000-10-04 2003-07-02 Krämer AG Bassersdorf Convoyeur oscillant autonettoyant destine a ebavurer, depoussierer, et lever des elements de petite taille
US20040020748A1 (en) * 2000-10-04 2004-02-05 Paul Kramer Self-cleaning oscillating conveyor for deburring, dedusting and the onward transport of small parts
EP1616820A1 (fr) 2004-07-15 2006-01-18 Feintool International Holding Convoyeur hélicoidal à vibrations

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390669A (zh) * 2011-06-02 2012-03-28 烟台力凯电子科技有限公司 一种振列机供料装置
US20230049805A1 (en) * 2016-10-14 2023-02-16 K-Tron Technologies, Inc. Vibration conveyor and method for regulating a vibration drive of a vibration conveyor
US11820602B2 (en) * 2016-10-14 2023-11-21 K-Tron Technologies, Inc. Vibration conveyor and method for regulating a vibration drive of a vibration conveyor
CN114852633A (zh) * 2022-04-18 2022-08-05 深圳市高士达科技有限公司 一种可实现对工件表面铁屑灰尘清理的振动盘
CN114852633B (zh) * 2022-04-18 2023-06-16 深圳市高士达科技有限公司 一种可实现对工件表面铁屑灰尘清理的振动盘

Also Published As

Publication number Publication date
EP2396258A1 (fr) 2011-12-21
CH700441A1 (de) 2010-08-31

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