EP0026155B1 - Procédé et dispositif pour vérifier la présence des bandéroles autour des articles mous - Google Patents

Procédé et dispositif pour vérifier la présence des bandéroles autour des articles mous Download PDF

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Publication number
EP0026155B1
EP0026155B1 EP19800810255 EP80810255A EP0026155B1 EP 0026155 B1 EP0026155 B1 EP 0026155B1 EP 19800810255 EP19800810255 EP 19800810255 EP 80810255 A EP80810255 A EP 80810255A EP 0026155 B1 EP0026155 B1 EP 0026155B1
Authority
EP
European Patent Office
Prior art keywords
measuring
skein
conveyor
faces
equipment according
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
EP19800810255
Other languages
German (de)
English (en)
Other versions
EP0026155A1 (fr
Inventor
Emil Asfour
Hans Burger
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.)
G AND W MASCHINEN AG
Original Assignee
G AND W MASCHINEN 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 G AND W MASCHINEN AG filed Critical G AND W MASCHINEN AG
Publication of EP0026155A1 publication Critical patent/EP0026155A1/fr
Application granted granted Critical
Publication of EP0026155B1 publication Critical patent/EP0026155B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/40—Controls; Safety devices

Definitions

  • the invention relates to a method and a device for checking the presence of banderoles on soft bodies such as woolen wraps or the like, the wrapper being introduced into a measuring device by means of a feed device or manually.
  • a method for checking banded bodies, in particular wool wraps is known.
  • the wool wrap provided with a band is placed between two suction cups.
  • the suction cups which are diametrically opposed, are pressed against the banderole, and this is sucked onto the cups by means of a vacuum. Then the bowls are moved apart and it is checked whether a counterforce occurs. If a banderole is present, it opposes the spreading of the suction cups because it is closed in a circle. If the wool wrap was not provided with a banderole due to an error in the previous work step, the suction cups hit the wool threads directly. These do not oppose the vacuum, and the suction cups can be moved apart without counterforce. This makes it possible to determine that the winding in question is incorrectly equipped and must be eliminated from the work process.
  • a disadvantage of this known device is that the moving and unfolding of the suction cups damage the wraps which have no banderole. Such wraps can no longer be returned to the banding station and result in rejects. Furthermore, the suction cups must be at exactly the right moment, i.e. H. when the wrap is between the bowls, move together. This requires special and complex facilities for high-speed systems.
  • the invention is based on the object of avoiding these disadvantages of the known state of the art, and of creating a method and a device which are simple and reliable, and can be ascertained correctly whether the winding to be tested is provided with a band or not .
  • this object is achieved in that, after banding, the roll is guided and transported between two moving surfaces, and is compressed during transport, transversely to the transport direction and in the direction of its longitudinal axis.
  • the dimensional changes of the roll that may occur transversely to the pressing direction are measured in the area of the banded diameter, the measured value is compared with a desired value, and rolls that deviate from the desired value are removed from the transport path. Wraps without a banderole can expand practically unhindered when pressed together in the plane transverse to the pressing direction. This increase in the diameter of the roll is measured and compared with a target value.
  • the roll is provided with a band, only the parts of the roll that protrude beyond the band can deform, and the diameter in the area of the band corresponds to the nominal value.
  • the winding After the end of the pressing process, the winding returns to its original shape and can be used for other measuring points such as B. a weighing device.
  • This method is particularly suitable for wool wraps and similar wraps, but can also be used for other bodies that can be pressed together and provided with banderoles. These could be foam rolls, for example.
  • the device for carrying out the method is characterized in that the measuring device consists of two rotating conveyor elements, the surfaces of which are arranged at a distance from one another, the distance being smaller than the length of the non-compressed coil in the direction of its longitudinal axis, and between the conveyor elements a measuring element for measuring the diameter of the compressed roll is arranged.
  • the conveyor bodies advantageously consist of two rotating conveyor belts, each with at least two rollers, known adjusting devices being provided, with which the distance between the two inner surfaces of the belts can be adjusted.
  • the entire measuring device can be set up for coils of different lengths.
  • two cylindrical rollers can also be used.
  • the circular shape automatically enlarges the space between the transport surfaces on the inlet side.
  • the additional first rollers are arranged on the inlet side such that the free distance between the rollers is greater than the length of the winding in the direction of the longitudinal axis. Then the distance between the inner surfaces of the conveyor belts in the transport direction is reduced to a dimension which is smaller than the length of the winding.
  • the windings can be fed to the measuring device manually or by means of a feed device.
  • a feed device is advantageously used which consists of two conveyor belts arranged at a distance, the conveyor surfaces of which are offset by 90 ° with respect to the inner surfaces of the conveyor belts of the measuring device. Are the inside arranged horizontally, the lower belt is longer in the conveying direction than the upper belt. The last roller of the lower belt is arranged between the feed surfaces of the conveyor elements of the measuring device. This arrangement enables a uniform transition of the winding from the feed device into the measuring device.
  • the measuring element for determining the diameter of the compressed roll advantageously consists of a mechanical sensor which is connected to an electrical, pneumatic or hydraulic switch.
  • This switch is connected by means of transmission lines to an ejection element, which is arranged behind the measuring element in the transport direction of the winding. If the mechanical sensor is deflected beyond a certain desired value as a result of the winding being too large in diameter, the switch actuates the ejection element with a certain delay. This removes any wraps from the work process without a sleeve.
  • a photoelectric measuring device can also be used for the measuring element.
  • the receiver and transmitter are to be arranged on opposite sides of the winding, known devices being used which determine the time for the measurement.
  • the method according to the invention and the corresponding device avoid the shortcomings of the known solutions.
  • the throughput speed of the reels to be tested is practically unlimited and reels without a banderole are not damaged in any way.
  • reels that have the correct weight and also otherwise meet the requirements can be returned to the work process in front of the banding station.
  • the test device according to FIGS. 1 and 2 consists of a measuring section and a feed device.
  • the measuring section has two conveyor belts 5, 6, the conveyor or inner surfaces 7, 8 of which are arranged vertically.
  • the conveyor belts 5, 6 are endless and each run around the rollers 10, 11, 12, 13, 14 and 15.
  • the belts 5 and 6 are driven by the rollers 10 and 13, for which purpose these are provided with a drive unit 17.
  • the rollers 10 to 15 are mounted in a carrier plate 16 which is provided with adjusting devices 18 and 19 in order to change the distance between the inner surfaces 7 and 8.
  • the rollers 12 and 15 are arranged so that there is an inlet funnel with the feed surfaces 29 and 30 between the belts 5 and 6.
  • a feed device which consists of the conveyor belts 31 and 32, is arranged in front of the measuring section.
  • the conveyor surfaces of these belts 31 and 32 are rotated by 90 ° against the surfaces 7, 8 of the conveyor belts 5 and 6.
  • the lower belt 32 is longer in the transport direction than the upper belt 31, the front roller 35 of which is arranged outside the belts 5 and 6.
  • the roller 36 of the belt 32 is located between the feed surfaces 29, 30 of the belts 5 and 6, which ensures that the transported bodies 1 are evenly taken over.
  • a measuring element 20 is arranged on a carrier 23 between the conveyor belts 5 and 6.
  • This measuring element 20 consists of a switch 22 and a sensor 21.
  • the switch is connected to an ejection device 25 by means of a transmission line 24.
  • This ejection device 25 is arranged above the space between the belts 5 and 6 and has a plunger 26. This plunger 26 can be extended in such a way that bodies to be ejected are removed from the areas of the conveyor belts 5 and 6.
  • the test device shown is supplied with winding 1 via the conveyor belts 31, 32.
  • these wraps 1 are provided with banderoles 2, which serve as packaging and labeling surface.
  • banderoles 2 On both sides of the banderole 2 a part 4 of the roll 1 still protrudes.
  • the ends 4 of the roll are gripped by the belts 5 and 6 in the area of the feed surfaces 29 and 30 and transported further.
  • the rollers 11 and 14 are reached, the roll 1 is pressed together in the direction of its longitudinal axis 3.
  • the roller pairs 11, 14 and 10, 13 are set so that the space between the inner surfaces 7 and 8 is smaller than the uncompressed length of the roll 1 in the direction of the axis 3.
  • the roller pair 12, 15, on the other hand, is so far apart that the space is larger than the unpressed length of the roll 1 so that it can be inserted unimpeded.
  • the device can be adjusted to different lengths of winding by the gaps between the tapes 5 and 6 and the position of the sensor 21 being adjustable.
  • the winding 1 After passing through the pair of rollers 11, 14, the winding 1 is compressed so that z. B. has formed a dumbbell-shaped structure with ends 4 from an elongated cylinder. If a banderole 2 is present, the middle part of the roll 1 is held together and all the rolls have the same diameter. If the banderole 2 is missing from a roll 1, the roll is deformed into a barrel shape and a much larger diameter results in the central region. In this case, the mechanical sensor 21 of the measuring element 20 is deflected and the switch 22 is actuated after a certain limit value has been exceeded. Thereby a control pulse for the ejection element 25 is generated.
  • This control pulse can be of an electrical, hydraulic or pneumatic type. In the example shown, a pneumatic control is used.
  • the pusher 26 extends and the roll 1 is ejected from the transport path.
  • the delivery of pulses to the ejection element takes place by means of the transmission line 24.
  • Windings which are provided with denderoles 2 pass the pusher 26 without hindrance and can be fed to subsequent work steps.
  • Dtes can e.g. B. on another conveyor belt 37.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (7)

1. Procédé pour vérifier la présence de bandelettes sur des articles mous, tels que des pelotes de laine ou des corps analogues, caractérisé en ce que la pelote (1) est guidée et transportée entre deux surfaces mobiles et est comprimée pendant le transport transversalement au sens du transport et dans la direction de son axe longitudinal (3), en ce que les modifications, apparaissant éventuellement alors, des dimensions de la pelote (1) transversalement au sens du pressage sont mesurées et en ce que la valeur mesurée est comparée à une valeur de consigne, les pelotes (1) présentant des déviations par rapport à la valeur de consigne étant écartées de la voie de transport.
2. Dispositif de vérification de la présence de bandelettes sur des articles mous, tels que des pelotes de laine ou des corps analogues, dans lequel la pelote est introduite, manuellement ou au moyen d'un dispositif d'amenée, dans. un dispositif de mesure, caractérisé en ce que le dispositif de mesure est constitué de deux éléments transporteurs tournants (5, 6), dont les surfaces sont agencées à une certaine distance l'une de l'autre, cette distance étant plus petite que la longueur de la pelote (1) dans la direction de son axe longitudinal (3) et en ce qu'un élément de mesure (20) est agencé entre les éléments transporteurs (5, 6) pour mesurer le diamètre de la pelote comprimée (1).
3. Dispositif suivant la revendication 2, caractérisé en ce que les éléments transporteurs sont des bandes transporteuses (5, 6) qui sont chacune guidées par au moins deux rouleaux (10, 13 ; 11, 14), et en ce que la distance entre les surfaces internes mutuellement opposées (7, 8) des bandes peut être ajustée au moyen de dispositifs de réglage connus (18, 19).
4. Dispositif suivant la revendication 3, caractérisé en ce que l'espace libre entre des rouleaux (12, 15) qui sont montés en amont, en supplément, est plus grand que la longueur de la pelote (1), dans la direction de son axe longitudinal (3), et en ce que la distance entre les surfaces d'introduction (29, 30) des bandes transporteuses (5, 6) se rétrécit de manière uniforme jusqu'aux rouleaux (11, 14), à une mesure qui est plus petite que cette longueur.
5. Dispositif suivant l'une des revendications 3 et 4, caractérisé en ce qu'en amont du dispositif de mesure est -agencé un dispositif d'amenée constitué de deux bandes transporteuses (31, 32) qui sont agencées à une certaine distance et dont les surfaces transporteuses sont décalées de 90° par rapport aux surfaces internes (7, 8) des bandes transporteuses (5, 6), la bande (32) faisant saillie au-delà de la bande (31), dans le sens du transport, et se terminant entre les surfaces d'introduction (29, 30) du dispositif de mesure.
6. Dispositif suivant l'une des revendications 2 à 5, caractérisé en ce que l'élément de mesure (20) est constitué d'un détecteur mécanique (21) qui est relié à un commutateur électrique, pneumatique ou hydraulique (22).
7. Dispositif suivant l'une des revendications 2 à 6, caractérisé en ce que l'élément de mesure est relié, au moyen de lignes de transmission (24), à un élément d'expulsion (25) qui est agencé en aval de l'élément de mesure (20).
EP19800810255 1979-09-24 1980-08-19 Procédé et dispositif pour vérifier la présence des bandéroles autour des articles mous Expired EP0026155B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH859279A CH642573A5 (de) 1979-09-24 1979-09-24 Verfahren und vorrichtung zum ueberpruefen von banderolierten koerpern.
CH8592/79 1979-09-24

Publications (2)

Publication Number Publication Date
EP0026155A1 EP0026155A1 (fr) 1981-04-01
EP0026155B1 true EP0026155B1 (fr) 1983-09-14

Family

ID=4342372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800810255 Expired EP0026155B1 (fr) 1979-09-24 1980-08-19 Procédé et dispositif pour vérifier la présence des bandéroles autour des articles mous

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EP (1) EP0026155B1 (fr)
CH (1) CH642573A5 (fr)
DE (1) DE3064827D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1330265C (fr) * 1988-09-23 1994-06-21 Craig W. White Accelerometre a etalonnage automatique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540584A (en) * 1969-01-13 1970-11-17 Eastman Kodak Co Diverting means for conveyor system

Also Published As

Publication number Publication date
CH642573A5 (de) 1984-04-30
EP0026155A1 (fr) 1981-04-01
DE3064827D1 (en) 1983-10-20

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