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WO2005054793A1 - Dispositif de mesure, dispositif de pesage, balance a pesee continue avec un dispositif de pesage et systeme convoyeur a dispositif de pesage pour caracteriser un produit - Google Patents

Dispositif de mesure, dispositif de pesage, balance a pesee continue avec un dispositif de pesage et systeme convoyeur a dispositif de pesage pour caracteriser un produit Download PDF

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Publication number
WO2005054793A1
WO2005054793A1 PCT/IB2004/003468 IB2004003468W WO2005054793A1 WO 2005054793 A1 WO2005054793 A1 WO 2005054793A1 IB 2004003468 W IB2004003468 W IB 2004003468W WO 2005054793 A1 WO2005054793 A1 WO 2005054793A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiving
measuring
weighing
goods
measuring device
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/IB2004/003468
Other languages
German (de)
English (en)
Inventor
Peter Winkler
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.)
PESA WAAGEN AG
Original Assignee
PESA WAAGEN AG
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 PESA WAAGEN AG filed Critical PESA WAAGEN AG
Publication of WO2005054793A1 publication Critical patent/WO2005054793A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
    • G01G11/003—Details; specially adapted accessories

Definitions

  • Measuring device weighing device, conveyor belt scale with
  • the invention relates to a measuring device and to a weighing device, consisting of a receiving device for the goods to be determined and a measuring system coupled to the receiving device, as well as a conveyor belt scale and a conveyor system with such a weighing device.
  • measuring device is understood to mean a measuring system by means of which a good can be determined in any way.
  • the receiving device for receiving the goods is also considered part of the measuring device.
  • the term measuring system is to be understood as a device by means of which the actual good can be determined.
  • Determinants can be the weight of the good, the pressure of the good that it exerts on the recording device, the Ab asse and parts thereof.
  • the measuring device itself has the means known from the prior art for measuring this weight or the pressure on the measuring system.
  • the term weighing device is understood to mean all measuring devices of any design which measure a weight force or a force resulting from the weight force and which represent this in the form of an arbitrarily designed display as a weight quantity.
  • the weighing device itself has a receiving device (usually a bowl or a flat surface) on which the goods to be measured can be placed. This scale measures both the weight of the goods to be weighed and the weight of the receiving device on which the goods to be weighed are arranged.
  • the measuring device is intended to determine the dimensions, be it a length or the spatial dimensions of the material to be measured.
  • Measuring devices in particular weighing devices of the above type, are known in various designs. They usually include a device for receiving the goods to be weighed, for example a bowl or a flat plate. This receiving device is directly coupled to the actual scale, so that when the weighing goods on the receiving device whose weight can be determined.
  • the receiving devices have different sizes, whereby the size can be related to force / mass. This means that in the case of a large receiving area, for example for trucks, the scale of the scale is correspondingly coarse and smaller objects cannot be determined exactly with regard to their weight with this scale. Therefore smaller receptacles are provided for smaller objects (less weight).
  • conveying systems are known, such as belt conveyors, belt conveyors, chain conveyors or roller conveyor '. These conveyor systems are also used in areas in which parcels, containers or other solid, size-specific goods can be transported.
  • a conveyor system usually comprises a drive unit, which can either be an electric motor, hydraulic motor or a pneumatic or electropneumatic drive.
  • drive and deflection rollers and other means for conveying the goods are provided for the intended function.
  • the aforementioned unit is mounted on a support frame so that the length of the corresponding conveyor belt is defined as a unit.
  • this conveyor system determines the maximum possible length of the goods to be measured as well as the maximum throughput rate of the same with the same conveyor speed.
  • a major disadvantage of the above embodiment of weighing devices with fixed receiving devices is that these receiving devices always have to be designed for the largest good to be measured or weighed, and therefore the accuracy of such devices is no longer sufficient when measuring small weight forces.
  • Another disadvantage of the aforementioned conveyor systems with fixed lengths is that only goods can be weighed without restriction in a dynamic operation, the length of which is not longer than the total length of the conveyor, reduced by the length resulting from the product of constant conveying speed and the minimum measuring time required by the weighing device.
  • the object of the invention is to provide a device by means of which goods of different sizes and / or different weights can be accurately determined in a reliable manner.
  • the central idea of the solution is to design the receiving device of a measuring device for the item to be determined in such a way that it adapts to the corresponding size or length of the item to be determined.
  • the receiving device is made for the item to be determined there is at least two receiving elements, only the receiving elements acting on the measuring system which are loaded by the item to be determined.
  • Another advantage of the invention is that the remaining receiving elements, which are not loaded by the material to be determined, rest on a support frame that is not detected by the measuring system.
  • Activation devices designed mechanically, electrically or pneumatically or in combinations thereof make it possible to activate the corresponding receiving elements which are acted upon by the material to be weighed.
  • the above-mentioned embodiment has the advantage that the receiving elements which are not required and which lie on the support frame do not transmit any vibrations caused by the conveyor technology and the conveyor movement as a disturbance variable to the weighing device.
  • a lifting system for activating the individual receiving elements of the receiving device is proposed. This only makes the admission element vertical raised, which are loaded by the goods to be weighed. After the weighing process has been completed, the activated recording elements are placed on the support frame again. This relieves the load on the weighing device and the weighing device is therefore free or ready for the following measuring process.
  • the lifting movement of the receiving device or the activation of the individual receiving elements takes place either linearly or radially by means of pneumatic or hydraulic devices or radially by means of a lever system which executes the corresponding movement sequence of the individual receiving elements.
  • sensors for this purpose, it is proposed, in particular for use in conveyor devices, to arrange appropriate sensors, mechanical or optical, on one of the two sides or on both sides of the conveyor belt, which sensors are preferably supported on the base frame (support frame) of the conveyor device.
  • These sensors are advantageously arranged at the level of the receiving elements, spatially assigned to each receiving element.
  • the corresponding good or its length activates the individual sensors and triggers an activation for the corresponding receiving elements, in one embodiment in the form of a lifting movement.
  • a static pick-up device is provided in addition to the pick-up devices to be activated, which is permanently coupled to the weighing device.
  • the receiving elements of the receiving device can be designed as desired. On the one hand, it is provided that they are designed in such a way that they have a rectangular structure and extend over the entire width.
  • the receiving device consists of a plurality of preferably square receiving elements, several being provided in the longitudinal and several in the transverse extent. This means that the receiving device is constructed in the form of a matrix.
  • Another advantage of the invention is that it is not imperative that all receiving elements that are covered by the material to be weighed have to be activated. It is usually sufficient if a few are activated so that the scale itself is loaded with little weight by the receiving elements.
  • FIG. 1 is a side view of an embodiment of a weighing device according to the invention in connection with a conveyor system.
  • FIG. 2 shows a front view of the weighing device with a receiving device according to FIG. 1, but without a conveyor belt;
  • 3 shows a schematic side view of a conveyor system with the weighing device according to the invention according to FIG. 1 with a switching arrangement;
  • FIG. 4 shows a schematic illustration of a first exemplary embodiment of a design of the receiving elements of the receiving device
  • Fig. 5 is a schematic representation of a further embodiment of a design of the receiving elements of the receiving device.
  • the conveyor system 1 comprises a conveyor belt system 3, which in turn comprises a conveyor belt 4 and a drive 5 coupled to the conveyor belt 4.
  • a receiving device 6 is provided for receiving and supporting the goods to be conveyed and weighed (not shown here in the drawing).
  • the receiving device 6 itself consists of a plurality of juxtaposed on receiving elements 6 1 to 6 n and each receiving element 6 ⁇ to 6 n rests on a support element 7 in the idle state.
  • a lifting device 8 lifts the individual and previously selected by an activation device 9 receiving elements 6 1 to 6 n vertically in the direction of arrow 10.
  • a static receiving element 6 S is provided in this exemplary embodiment, which is arranged on the same level as the activated receiving elements 6 ⁇ to 6 n .
  • the lifting device 8 has a lever mechanism which is operated with a motor in the exemplary embodiment shown here.
  • the activation device 9 is preferably electrically controlled in the embodiment shown here.
  • FIG. 2 shows an enlarged design to illustrate the mechanism of the weighing device 2. It comprises the pick-up unit 6 with the corresponding receiving elements 6n and a supporting frame 9, on which the receiving elements 6 ⁇ to 6 n in its non-activated phase, rest as shown in this FIG.
  • the sensors 12 x to 12 n described in FIG. 3 emit a pulse to a corresponding switching arrangement, which in turn pushes a slide 15 in the direction of the arrows 16 in the magnetically released activation device and thus a gap between the receiving element 6 and the lever mechanism 17 closes, which in turn is coupled to a scale 18.
  • the lever mechanism 17 and the receiving elements 6 rest on the scale 18.
  • the material 14 to be weighed is transported in the direction of arrow 11, as shown in FIG. 3, on the conveyor belt device 2.
  • a measuring range B the respective
  • the material 14 triggers the sensors 12 ⁇ to 12, so that the receiving elements 6 X to 6 4 are activated.
  • Characterized 6 ⁇ now act exclusively to the receiving elements 64 as well as the static recording member S 6 on the weighing device 2 and the material 14 may be damaged during transport to the exit of the static recording member S 6, indicated by activation of the sensor 12 E are measured.
  • the switching arrangement 13 is returned to its original state and is ready for the measurement of the other good 14 'to be measured.
  • 4 shows a first exemplary embodiment of a design of the receiving elements 6. For reasons of clarity, the rest of the weighing device 2 has been omitted.
  • the receiving device 6 has a plurality of receiving elements 6 ⁇ to 6 n arranged one behind the other. These are preferably rectangular and extend transversely to the direction of transport (arrow 11).
  • FIG. 5 An alternative to this is shown in FIG. 5.
  • the individual receiving elements 6 X to 6 n shown in FIG. 5 are subdivided again in their longitudinal extent, so that a corresponding matrix of receiving elements results.
  • the individual receiving elements 6 ⁇ to 6 n can be activated in the direction of arrow 10 in the exemplary embodiments shown here.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sorting Of Articles (AREA)

Abstract

Ce dispositif de mesure pour caractériser un produit à mesurer comprend essentiellement un système de mesure et un dispositif de réception du produit à caractériser. Selon l'invention, le dispositif de réception (6) comprend au moins deux éléments indépendants de réception (61 6n) et chaque élément de réception (61 6n) peut être sélectivement couplé au système de mesure (S), ou peut en être découplé, individuellement ou avec au moins un autre élément de réception (61 6n).
PCT/IB2004/003468 2003-12-01 2004-10-20 Dispositif de mesure, dispositif de pesage, balance a pesee continue avec un dispositif de pesage et systeme convoyeur a dispositif de pesage pour caracteriser un produit Ceased WO2005054793A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10356619.8 2003-12-01
DE2003156619 DE10356619A1 (de) 2003-12-01 2003-12-01 Messeinrichtung, Wägeeinrichtung, Förderbandwaage mit Wägeeinrichtung sowie Fördersystem mit Wägeeinrichtung zur Bestimmung eines Gutes

Publications (1)

Publication Number Publication Date
WO2005054793A1 true WO2005054793A1 (fr) 2005-06-16

Family

ID=34625538

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/003468 Ceased WO2005054793A1 (fr) 2003-12-01 2004-10-20 Dispositif de mesure, dispositif de pesage, balance a pesee continue avec un dispositif de pesage et systeme convoyeur a dispositif de pesage pour caracteriser un produit

Country Status (2)

Country Link
DE (1) DE10356619A1 (fr)
WO (1) WO2005054793A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1862783A3 (fr) * 2006-05-12 2011-01-19 Mettler-Toledo, Inc. Convoyeur multiple et appareil de pesée

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017107586A1 (de) * 2017-04-07 2018-10-11 Wipotec Wiege- Und Positioniersysteme Gmbh Wägesystem
JP7398798B2 (ja) * 2020-03-19 2023-12-15 株式会社イシダ 計量装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437561A (en) * 1981-03-03 1984-03-20 Yamato Scale Company, Ltd. Automatic continuous weighing machine
DE3432305A1 (de) * 1984-09-03 1986-03-13 Paul Troester Maschinenfabrik, 3000 Hannover Vorrichtung zum wiegen von warenbahnabschnitten aus kautschuk- und/oder kunststoffmischungen
EP0653729A1 (fr) * 1993-11-10 1995-05-17 Neopost Industrie Dispositif d'alimentation en enveloppes incorporant une balance
US6252181B1 (en) * 1999-08-04 2001-06-26 Richard J. Fallas Method and apparatus for weighing a product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437561A (en) * 1981-03-03 1984-03-20 Yamato Scale Company, Ltd. Automatic continuous weighing machine
DE3432305A1 (de) * 1984-09-03 1986-03-13 Paul Troester Maschinenfabrik, 3000 Hannover Vorrichtung zum wiegen von warenbahnabschnitten aus kautschuk- und/oder kunststoffmischungen
EP0653729A1 (fr) * 1993-11-10 1995-05-17 Neopost Industrie Dispositif d'alimentation en enveloppes incorporant une balance
US6252181B1 (en) * 1999-08-04 2001-06-26 Richard J. Fallas Method and apparatus for weighing a product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1862783A3 (fr) * 2006-05-12 2011-01-19 Mettler-Toledo, Inc. Convoyeur multiple et appareil de pesée

Also Published As

Publication number Publication date
DE10356619A1 (de) 2005-06-30

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