EP0077992B1 - Appareil pour contrôler la pesée d'emballages - Google Patents

Appareil pour contrôler la pesée d'emballages Download PDF

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Publication number
EP0077992B1
EP0077992B1 EP82109627A EP82109627A EP0077992B1 EP 0077992 B1 EP0077992 B1 EP 0077992B1 EP 82109627 A EP82109627 A EP 82109627A EP 82109627 A EP82109627 A EP 82109627A EP 0077992 B1 EP0077992 B1 EP 0077992B1
Authority
EP
European Patent Office
Prior art keywords
test pack
packs
conveyor
pack
intermediate holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82109627A
Other languages
German (de)
English (en)
Other versions
EP0077992A1 (fr
Inventor
Gerhard Hemm
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.)
Joh Jacobs und Co GmbH
Original Assignee
Joh Jacobs und Co GmbH
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 Joh Jacobs und Co GmbH filed Critical Joh Jacobs und Co GmbH
Priority to AT82109627T priority Critical patent/ATE21500T1/de
Publication of EP0077992A1 publication Critical patent/EP0077992A1/fr
Application granted granted Critical
Publication of EP0077992B1 publication Critical patent/EP0077992B1/fr
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/46Check-weighing of filled containers or receptacles

Definitions

  • the invention relates to a device for carrying out random checkweighing of filled packs, in particular coffee packs, which are transported on a conveyor in a continuous row, with devices for removing a test pack from the transport flow, for placing the same on a (control) balance and for Returning the test pack to the transport flow after weighing.
  • the checkweighing should be carried out as accurately as possible so that the actual filling weights come close to the target weight.
  • precision scales with a tolerance range of ⁇ 0.1 g are used when carrying out the weight control.
  • DE-C-953 508 which carries out checkweighing of still open packs on filling machines.
  • This known device is specially designed for still open packs in that it has a swiveling device which rotates in a horizontal plane above the packs and has opposing pairs of grippers for gripping upper edges of two opposing pack walls.
  • This known device is arranged between a conveyor in which the packs to be checked are transported at a distance from one another and a checkweigher. By swiveling the swivel device through 180 °, the package to be checked is removed from the conveyor and placed on the checkweigher.
  • the checked pack is put back on the conveyor after the check weighing.
  • the swiveling arms are raised slightly, each time before swiveling begins.
  • this known device Due to its gripping elements, this known device is only suitable for check weighing of still open packs, so it can only be used immediately after a filling machine. In addition, it is necessary to stop the conveyor for the packs for the control weighing process so that the grippers reliably. free edges of the open packs and a return of the weighed pack to the same. gap can be created on the conveyor by removing the same. As a result, continuous further processing of the packs, namely in the present case, they cannot be sealed.
  • the invention has for its object to provide a device with which check weighing is possible with little effort regardless of personal influence and without stopping the conveyor for the packs.
  • the device according to the invention is characterized by a slide which can be moved back and forth transversely to the conveying direction (arrow) of the row of packs and has holding members (clamping jaws) which can be placed on the opposite side surfaces to hold the test pack and between which in the case of holding members which have not been put on (Clamping jaws) the packs can be conveyed through, and by a device (side guide, pressure jaw) for fixing the pack following the test pack with the conveyor running.
  • test packs For the removal and return of the test packs from or into the row of packs, these are stopped beforehand according to the invention, so that the test pack in question can be freely removed or returned.
  • a pack is fixed within the row at a distance from the slide, in particular by clamping, in such a way that the subsequent packs which come up are stopped.
  • the pack in front of it can now be gripped and transversely removed. The same procedure is followed if the test pack is to be returned in a row.
  • the slide for the removal and return of the test packs is designed according to the invention in a special way, namely provided with holding jaws which rest on the side faces of the same when a test pack is taken over.
  • the slide equipped with a U-holder is always in the starting position in the area of the row of continuously conveyed packs, in such a way that they are conveyed between the holding jaws which are at a corresponding distance from one another.
  • the holding jaws are moved against one another, whereby the test pack in question is grasped and then conveyed out of the conveying stream (row of packs) transversely.
  • a particular invention can be seen in the measures for transferring the package to the scale and returning it.
  • the packs are made for this purpose Intermediate holder placed, which is plate-shaped and extends in the starting position approximately at the level of the conveyor for the packs. After the test package placed on the intermediate holder by the slide has been released, a downward movement takes place and the test packages are thus handed over to the balance. During the weighing, the test pack left the intermediate holder, after which it was taken over again and fed to the intermediate holder.
  • the balance or a balance cover is provided with support pins or support bolts pointing upwards, onto which the test pack is placed.
  • the plate-shaped intermediate holder is provided with recesses (bores) through which the support pins pass while lifting off the test pack.
  • the invention is particularly suitable in connection with the production of packs for food and beverages, especially for the packaging of roasted coffee, since a particularly precise weighing is important here.
  • the exemplary embodiment shown relates to the treatment of essentially cuboid packs 10, in particular coffee packs. Coming from a packaging or filling machine, these are transported in a continuous row 11 on a conveyor 12. In the exemplary embodiment shown, the packs 10 are arranged within the row 11 with small distances from one another. Alternatively, the packs 10 can be conveyed in a sealed position within the row 11. A continuously rotating conveyor belt is preferably considered as the conveyor 12.
  • the packs 10 reach the area of a weighing station 13.
  • individual test packs 14 are fed out of the row 11 and fed to a scale 15 (precision scale).
  • the weight of the test package 14 is determined on this by weighing.
  • the test pack 14 is transported back into the conveying flow, ie into the row 11.
  • the transverse transport of the test package 14 to the balance 15 and back to the conveyor 12 is carried out by a slide 16 acting in both directions. In the present case, this is movable back and forth by a pressure medium cylinder 17 transversely to the conveying direction of the packages 10 (arrow 18).
  • a U-holder 20 for receiving a test package 14 is attached in the present embodiment.
  • This U-holder 20 is dimensioned such that its legs 21, 22 pointing downward extend on both sides of the packs 10 of the row 11.
  • Pressure cylinder 17, piston rod 19 and U-holder 20 are mounted so that the latter is held above the row 11 of the packs 10. 1 and 2 show the initial position, in which the packs 10 are continuously conveyed between the legs 21 and 22 of the U-holder 20.
  • test pack 14 For the transverse transport of a test pack 14, the U-holder is moved accordingly by retracting the piston rod 19. The test pack 14 is taken along in one as well as in the other conveying direction. The legs 21 and 22 rest on one of two opposite side surfaces 23, 24 of the test pack 14.
  • the test pack 14 can be clamped on the slide, namely in the U-holder 20.
  • 20 jaws 25, 26 are attached to the legs 21, 22 of the U-holder. These are designed as approximately spherical elevations which protrude inwards, namely to the test pack 14.
  • the one jaw 25 is arranged in a fixed manner, while the other jaw 26 is movable against the side surface 24, namely by means of a pressure medium cylinder 27.
  • the jaws 25, 26 are Holder 20 fixed.
  • test pack 14 lying in front of the pack 10a in the transport direction and the further packs 10 are meanwhile transported further by the conveyor 12.
  • the test pack reaches the area of the slide 16, namely between the legs 21, 22 of the U-holder, it is held in place by the clamping jaws 25, 26 within the U-holder 20.
  • the cross-conveying of the test package 14 can now take place with the slide 16.
  • the block in the area of the pack 10a is then lifted and the packs 10 or row 11 can be conveyed further.
  • the clamping jaws 25, 26 are opened so that the test package 14 is released from the slide 16.
  • test package 14 is again picked up by the slide 16 or the U-holder 20 and fixed in the manner described by the clamping jaws 25, 26.
  • the test pack 14 is then returned to the conveyor 12 by a corresponding counter-movement of the slide 16.
  • the row 11 with the packs 10 is stopped again in the manner described, so that there is sufficient gap for the reintroduction of the test pack 14 on the conveyor 12.
  • the transport is continued.
  • the slide 16 or the U-holder 20 remain in the starting position according to FIGS. 1 and 2 until the next checkweighing is triggered by appropriate control.
  • the test pack 14 is placed on an intermediate holder 32 by the slide 16. This is plate-shaped with an upper-side bearing surface 33 for receiving the test pack 14.
  • the intermediate holder 32 is mounted above the balance 15 so that it can be moved up and down. A vertical guide for this is not shown in the drawings for reasons of simplification.
  • a pressure medium cylinder 34 whose piston rod 35 is laterally connected to the intermediate holder 32, is used to carry out the up and down movements.
  • the intermediate holder 32 is in the starting position approximately at the level of the conveyor 12, so that, as in the present exemplary embodiment, an immediate transfer is possible.
  • the bearing surface 33 expediently extends slightly below the transport plane of the conveyor 12, so that the test package 14 can be transferred without tilting. This is placed in a position exactly above the scale 15 on the intermediate holder 32 and, after being released by the slide 16, fed to the scale 15 by downward movement.
  • the scale 15 is also designed in a special way for the automation of the processes described.
  • Special holders in the form of support pins 37 projecting upwards are arranged on a balance cover 36, which is intended for receiving the goods to be weighed.
  • four such support pins are attached to the balance cover 36 at equal distances from one another.
  • the test package 14 is placed on the upper, free ends of the support pins 37 for carrying out the weighing.
  • the intermediate holder 32 To transfer the test package 14 to the balance 15 through the intermediate holder 32, the latter is equipped with recesses in the form of bores 38. These are located in the vertical axis of the support pins 37, so that with a corresponding downward movement of the intermediate holder 32, the support pins 37 pass through the correspondingly dimensioned bores 38.
  • test package 14 is taken over by the support pins 37 when the intermediate holder 32 continues to lower, and at the same time is lifted off the bearing surface 33.
  • the test pack 14 rests freely on the support pins 37 very exact weighing.
  • the dimensions of the support pins 37 on the one hand and the bores 38 on the other hand and the amplitude of movement of the intermediate holder 32 are coordinated so that in the lower end position of the intermediate holder 32 after transfer of the test pack 14 to the support pins 37 of the intermediate holder 32 without contact with the test pack 14, the Support pins 37 or the balance cover 36 is held.
  • the venture can thus be carried out without corresponding influencing.
  • the balance cover 36 here consists of an upright cylinder piece 39 and a support plate 40 arranged thereon.
  • the latter serves to receive the support pins 37.
  • the arrangement of the latter is such that they lie predominantly within the circle described by the cylinder piece 39. This results in a statically perfect, accurate transmission of the load acting on the support pins 37 to the scale 15.
  • the test package 14 is lifted from the support pins 37 by the upward movement of the intermediate holder 32 and conveyed back into the area of the slide 16 or the U-holder.
  • the test pack 14 is received by the U-holder 20 in the manner described.
  • the intermediate holder 32 is expediently fixed at a higher level such that the bearing surface 33 extends slightly above the level of the conveyor 12 in order to ensure that the test package 14 is returned without tilting.
  • other, separate, in particular movable, transmission members can be arranged between the conveyor 12 and the intermediate holder 32 for transferring the test packs 14.
  • Suitable control devices are assigned to the individual units of the device, e.g. B. light barriers, microswitches etc., the control the sequence of movements in the sequence described by appropriate relative arrangement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (13)

1. Appareil pour effectuer des pesées de contrôle sur des échantillons pris au hasard d'emballages remplis, en particulier d'emballages de café (10, 10a), qui sont transportés sur un transporteur (12) en une rangée continue (11), comprenant des dispositifs pour le prélèvement de chaque fois un emballage d'examen (14) à partir du flux de transport, pour le dépôt de celui-ci sur une balance (de contrôle) (15) et pour le retour de l'emballage d'examen (14) dans le flux de transport, après la pesée, caractérisé par un poussoir (16) qui est déplaçable en va-et-vient transversalement au sens de transport (flèche 18) de la rangée (11) des emballages (10. 10a) et qui présente des organes de retenue (mâchoires de serrage 25, 26), qui, pour la fixation de l'emballage d'examen (14); peuvent être appliqués sur des faces latérales opposées (23, 24) de ce dernier et entre lesquels les emballages (10, 10a) peuvent être avancés lorsque les organes de retenue (mâchoires de serrage 25, 26) ne sont pas appliqués, ainsi que par un dispositif (guidage latéral 28; patin de pression 31) pour fixer l'emballage (10a) de la rangée (11) qui suit l'emballage d'examen (14), alors que le transporteur (12) est en marche.
2. Appareil suivant la revendication 1, caractérisé en ce que les organes de retenue (mâchoires de serrage 25, 26) sont agencés sur des branches (21, 22) dirigées vers le bas d'un support en U (20) du poussoir (16).
3. Appareil suivant l'une des revendications 1 et 2, caractérisé en ce que les organes de retenue sont façonnés sous la forme de mâchoires de serrage (25, 26).
4. Appareil suivant la revendication 3, caractérisé en ce que les mâchoires de serrage (25, 26) sont agencées sur les côtés internes, adjacents de l'emballage d'examen (14), des branches (21, 22) et en ce qu'elles sont façonnées de préférence sous une forme bombée, au moins une des mâchoires de serrage (25, 26) étant déplaçable.
5. Appareil suivant l'une des revendications 1 à 4, caractérisé en ce que, dans le sens d'avancement (flèche 18) des emballages (10, 10a),. est agencé à une certaine distance avant le poussoir (16) un patin de pression (31) ou élément analogue qui presse l'emballage (10a) contre une butée fixe (guidage latéral 28) pour le fixer.
6. Appareil suivant la revendication 5, caractérisé en ce que la butée fixe est formée par un guidage latéral stationnaire (28) qui s'étend sur le côté, opposé au patin de pression (31 du transporteur (12).
7. Appareil suivant l'une des revendications 1 à 6, caractérisé en ce que l'emballage d'examen (14) prélevé du transporteur (12) peut être poussé sur un support intermédiaire (32) et amené par celui-ci à la balance (15).
8. Appareil suivant la revendication 7, caractérisé en ce que le support intermédiaire (32) formé de plaque est déplaçable en hauteur et/ou horizontalement. en particulier par des vérins à agent sous pression (34).
9. Appareil suivant l'une des revendications 7 et 8, caractérisé en ce qu'une face de support (33) du côté supérieur du support intermédiaire (32), destinée à recevoir l'emballage d'examen (14) est déplaçable dans une position située faiblement en-dessous de la surface du transporteur (12), le support intermédiaire (32) s'étendant jusque directement contre le transporteur (12).
10. Appareil suivant l'une des revendications 8 et 9. caractérisé en ce que l'emballage d'examen (14) peut être amené à la balance (15) par un mouvement vers le bas du support intermédiaire (32) et en ce qu'il peut être déposé sur la balance (15) par soulèvement à partir du support intermédiaire (32).
11. Appareil suivant l'une des revendications 1 à 10, caractérisé en ce que la balance (15) ou respectivement un plateau (36) de celle-ci présente des saillies dirigées vers le haut, en particulier des tiges de support (37), des axes de support ou des éléments analogues, pour recevoir l'emballage d'examen (14) par dépôt sur ceux-ci.
12. Appareil suivant la revendication 11, caractérisé en ce que le support intermédiaire (32) présente des évidements, en particulier des alésages (38), dans une zone adaptée à la position des tiges de support (37), les alésages (38) étant mesurés et agencés de façon que les tiges de support (37) soient capables de passer à travers les alésages (38) du support intermédiaire (32), lorsque celui-ci est abaissé, avec soulèvement de l'emballage d'examen (14) à partir du support intermédiaire (32).
13. Appareil suivant la revendication 12, caractérisé en ce que le support intermédiaire (32) est maintenu dans la position extrême inférieure, sans contact avec la balance (15) et respectivement les tiges de support (37) ainsi que l'emballage d'examen (14).
EP82109627A 1981-10-26 1982-10-19 Appareil pour contrôler la pesée d'emballages Expired EP0077992B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82109627T ATE21500T1 (de) 1981-10-26 1982-10-19 Vorrichtung zur kontrollwaegung von packungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3142366 1981-10-26
DE19813142366 DE3142366A1 (de) 1981-10-26 1981-10-26 Vorrichtung zur kontrollwaegung von packungen

Publications (2)

Publication Number Publication Date
EP0077992A1 EP0077992A1 (fr) 1983-05-04
EP0077992B1 true EP0077992B1 (fr) 1986-08-20

Family

ID=6144832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109627A Expired EP0077992B1 (fr) 1981-10-26 1982-10-19 Appareil pour contrôler la pesée d'emballages

Country Status (3)

Country Link
EP (1) EP0077992B1 (fr)
AT (1) ATE21500T1 (fr)
DE (2) DE3142366A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105815427A (zh) * 2016-05-18 2016-08-03 句容市红掌食品有限公司 一种肉类运输加工设备

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8603210A (nl) * 1986-12-17 1988-07-18 Product Suppliers Ag Inrichting en werkwijze voor het tijdelijk verwijderen van een produkt uit een reeks getransporteerde produkten.
DE3814481A1 (de) * 1988-04-29 1989-11-09 Bosch Gmbh Robert Vorrichtung zum waegen von verpackungsbehaeltern
DE3910791C2 (de) * 1989-04-04 1994-08-11 Bernd Dipl Ing Merle Verfahren und Einrichtung zur Ermittlung von Entsorgungsgebühren
IT1249090B (it) * 1991-01-23 1995-02-11 Ima Spa Dispositivo particolarmente adatto per il controllo automatico del peso di un prodotto immesso in flaconi da microdosatrici ad elevata produzione.
DE10351867B4 (de) * 2003-11-06 2006-07-27 Nordmeyer, Manfred, Dipl.-Ing. Vorrichtung zum Einfüllen eines Produkts in einen Behälter
DE202008000567U1 (de) 2008-01-14 2008-03-20 Wipotec Wiege- Und Positioniersysteme Gmbh Wägesystem
BRPI1008990B1 (pt) * 2009-03-10 2019-10-29 Norden Machinery Ab método e verificador de peso para pesar produtos individuais que são movidos ao longo de uma linha de produção
ES1107380Y (es) * 2014-04-08 2014-07-14 Martinez Jose Roda Dispositivo pesador de articulos
CN105815426A (zh) * 2016-05-18 2016-08-03 句容市红掌食品有限公司 一种循环式肉类运输加工设备
CN105836411A (zh) * 2016-05-18 2016-08-10 句容市红掌食品有限公司 一种卡接式肉类运输加工设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB638751A (en) * 1947-03-31 1950-06-14 Frank D Palmer Inc Improvements in weight controlled volumetric filling mechanism
DE953508C (de) * 1951-10-20 1956-11-29 Jagenberg Werke Ag Vorrichtung zur Durchfuehrung von Kontrollwiegungen an Abfuellmaschinen
DE1176550B (de) * 1961-05-19 1964-08-20 Hesser Ag Maschf Foerdereinrichtung an Verpackungsmaschinen
DE1239625B (de) * 1964-07-31 1967-04-27 Hoesch Ag Vorrichtung zum Quertransport von steifem, tafelfoermigem Gut

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105815427A (zh) * 2016-05-18 2016-08-03 句容市红掌食品有限公司 一种肉类运输加工设备

Also Published As

Publication number Publication date
EP0077992A1 (fr) 1983-05-04
ATE21500T1 (de) 1986-09-15
DE3272749D1 (en) 1986-09-25
DE3142366A1 (de) 1983-05-11

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