EP0407747A1 - Wattestäbchen-Maschine - Google Patents

Wattestäbchen-Maschine Download PDF

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Publication number
EP0407747A1
EP0407747A1 EP90111164A EP90111164A EP0407747A1 EP 0407747 A1 EP0407747 A1 EP 0407747A1 EP 90111164 A EP90111164 A EP 90111164A EP 90111164 A EP90111164 A EP 90111164A EP 0407747 A1 EP0407747 A1 EP 0407747A1
Authority
EP
European Patent Office
Prior art keywords
belt
cotton swab
cotton
machine according
formation
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.)
Withdrawn
Application number
EP90111164A
Other languages
German (de)
English (en)
French (fr)
Inventor
Dieter Eschler
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.)
Paul Hartmann AG
Original Assignee
Paul Hartmann 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 Paul Hartmann AG filed Critical Paul Hartmann AG
Publication of EP0407747A1 publication Critical patent/EP0407747A1/de
Withdrawn legal-status Critical Current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
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/34—Packaging other rod-shaped articles, e.g. sausages, macaroni, spaghetti, drinking straws, welding electrodes

Definitions

  • the invention relates to a cotton swab machine with the features of the preamble of claim 1.
  • a cotton swab machine of this type is known from CH-PS 582 088. With their help, a packaging output of 1200 cotton swabs / min could be achieved.
  • the chopsticks are conveyed through a discharge belt, resting on this, from a manufacturing device to a takeover point, where during their transport movement from the lower run of a belt above the discharge belt with the same speed and in the same direction, a further belt is taken over to a transfer device and fed to a transfer station. During this transport movement, the cotton swabs are attached to the underside of the belt strand by means of negative pressure with limited force.
  • the transfer device is assigned a stripping station, in which the supplied rod formation is stripped in layers into the packaging container from the hanging state of the sections which continuously correspond to the container size.
  • the stripping station is equipped with two strippers arranged to the side of the belt strand delivering the cotton swabs, which perform downward stripping movements and thereby detach one swab formation from the belt strand and feed them in layers to the packaging container.
  • the belt of the transfer device must be stopped during the lifting movements of the wipers, otherwise cotton swabs would run against it and would fall off the belt.
  • the pair of wipers comes into operation and stores a layer of cotton swabs in the packaging container provided at high speed.
  • the tines of the pair of tines provided as a wiper pair carry out a sideways movement increasing their distance from one another by such an extent that they bypass the cotton balls of the cotton swabs which have already been delivered again, whereupon they return to their starting position in which they are then located above the shaft of the cotton swabs and can again perform a downward stroke for transferring a number of cotton swabs determining a pack position into the packaging container provided.
  • the deflection movement of the tines is advantageously derived from their vertical lowering movement.
  • these can be serrated on the underside in accordance with the swab distance within the swab formation.
  • the circumferential belt that continuously conveys the cotton swabs in the suspended state into the area of the packaging container can be formed by the discharge belt itself.
  • a preferred embodiment of the invention is the subject of claim 7, advantageous embodiments of which are defined in further subclaims.
  • a cotton swab machine is known from CH-PS 582 089, the discharge belt for the hanging transport of the finished cotton swab supplied by him above its upper, the Belt straps carrying cotton swabs are assigned a suction slide which is adjustable in the direction of travel and which can be lowered onto the belt strand for taking over cotton swabs and can be controlled by a cotton swab attached to a transfer station by suction. There the suction slide runs between two wipers which can be moved up and down in the vertical direction and which, analogous to the construction according to the invention, form a pair of tines which extend in the opposite direction to the transport direction of the cotton swabs.
  • the pair of tines After the suction slide has stopped in the transfer position, the pair of tines perform a downward stroke movement, scraping off the number of cotton swabs adhering to the suction slide due to negative pressure, and driving them into the packaging container provided.
  • This known machine also works intermittently, with only a packaging output of up to 850 sticks / min being achieved.
  • a cotton swab machine is also known, in which by means of a feeder slide the cotton swabs supplied by the upper, formed by two narrow belts running at a distance and parallel to each other, a delivery belt down and in the transport direction from this one Transfer station are pushed.
  • the ends of the cotton swabs rest on two parallel support strips which can be folded down around a horizontal axis to release the cotton swabs as soon as a push-in device is steered downwards to insert a predetermined number of provided cotton swabs into a packaging container.
  • This known machine is thus already equipped with a securing device for holding a cotton swab formation during its transfer into the transfer position. This construction also works intermittently and is unable to provide satisfactory packaging performance.
  • 10 denotes an endless discharge belt of a cotton swab transfer station 12 of a cotton swab machine known per se.
  • 14 relates to a belt deflection roller provided on the transfer side.
  • the discharge belt 10 is preferably formed from individual chain links 16 which are articulated to one another and each carry a support bracket 18 which is U-shaped in cross section and is open at the top.
  • a support bracket 18 which is U-shaped in cross section and is open at the top.
  • stirrup legs 20 and 22 are formed adjacent to each other, upwardly open recesses 28 for receiving a shaft end 24 of cotton swabs 26 (see FIG. 3).
  • the downward running strand 38 'of the transfer belt 38 is guided such that its recesses 40 are aligned along a strand section a during the conveying movement of the discharge belt 10 with the recesses 28 of its strand 10'.
  • a drive wheel 42 of a drive device is in positive engagement.
  • 44 denotes a belt tensioning roller mounted on the carrier 32.
  • the lower transport strand 38 'of the transfer belt 38 continuously takes shafts 24 of the cotton swabs 26 arriving from the recesses 28 of the transport strand 10' of the discharge belt 10 in a lying formation and transports them in a hanging state to a stripping device of the cotton swab take-up device 30, designated as a whole by 46, with the help of which a predetermined number of cotton swabs 26 are transferred simultaneously into a packaging container 48 provided under the stripping device 46.
  • the work cycle is coordinated with reference to the conveying speed of the transport run 38 'so that, when the transfer belt 38 runs continuously, the cotton swabs 26 conveyed away from the transfer station 12 are intermittently stored in the packaging container 48 in a hanging manner.
  • packaging container 48 contains the intended number of layers of cotton swabs 26, this is automatically replaced with an empty packaging container 48, which can be done by a suitable conveyor 50.
  • a suitable conveyor 50 This can be a belt or carousel conveyor.
  • the transport strand 10' of the discharge belt 10 is assigned a securing device 49 which has a cross-sectionally U-shaped holding rail 52 (Fig. 2), which protrudes on the one hand over a section into the transport strand 10 'and on the other hand extends into the area of the packaging container 48 provided under the stripping device 46.
  • the upwardly extending U-legs 54 and 56 of the holding rail 52 each form a support in the event that a cotton swab 26 should detach from the same receiving recesses 40 of the transport strand 38 'of the transfer belt 38.
  • a suction zone is provided within the transfer belt 38 or above its transport run 38 ', preferably in the form of a suction chamber 58 extending in its longitudinal direction, of the securing device 49, which is connected at 47 to a vacuum source and protrudes beyond the stripping device 46 in the transport direction.
  • the suction chamber 58 is in the longitudinal center of its 38 'adjacent channel floor 60 equipped with a plurality of air inlet openings 62 (see FIG. 3), which can be assigned corresponding belt openings 63 in the transfer belt 38 (see FIG. 2).
  • the transfer belt 38 is formed by two individual belts 64 and 66 arranged at a distance from one another, the transport strands of which, in the transport direction, each run in an underlying guide groove 68 or 70 of the suction channel floor 60 is.
  • the suction air then flows between the individual belts 64 and 66 designed as toothed belts into the air inlet openings 62 of the suction chamber 58.
  • the stripping device 46 has two parallel tines 72 and 74 which are provided at a lateral distance from one another and in a horizontal arrangement or parallel to the conveying plane 75 of the packaging containers 48 and which are held at one end on a lifting device 76.
  • the tines 72 and 74 extend opposite to the transport direction of the transport belt 38 ', are in their upper starting position just above the transport plane of the cotton swabs 26, and their lateral distance corresponds approximately to the length of the part of the shaft 24 of the cotton swabs free from cotton swabs 78 and 80 26 (see Fig. 2).
  • the length of the tines 72 and 74 corresponds approximately to the length of the cuboid packaging container 48.
  • the filled packaging container 48 is transported away and another empty packaging container 48 is again provided in a defined position below the stripping device 46 for filling.
  • the tines 72 and 74 are deflected upwards and outwards in the lateral direction when starting up from a certain lifting height (see dash-dotted lines 82 and 84) in such a way that they wad the cotton balls 78 and drive around 80 sideways. Above this, they are then returned inwards to the vertical plane, in which they are then steered straight down again.
  • This evasive movement of the tines 72 and 74 can be accomplished in various technical ways.
  • a possible type of such a tine guide can be realized according to FIG. 5 with the aid of a control device 86.
  • the prongs 72 and 74 each sit at the lower end of a vertically extending lever arm 88 or 90 of a double-armed lever, the other lever arm 92 or 94 of which is arranged transversely, in particular at right angles, to the lever arm 88 or 90.
  • Both levers 88, 92 and 90, 94 are arranged symmetrically to one another in such a way that their lever arms 92 and 94 extend opposite one another in the lateral direction. These each carry a role 96 or 98.
  • the lever arms 88 and 90 are articulated at 100 and 102 on a common lifting member 104, which e.g. is vertically adjustable by means of a piston rod 106 of, for example, a pneumatically controlled working cylinder 108 for carrying out the lifting movements of the tines 72 and 74.
  • a control cam 110 or 112 is assigned to each lever 88, 92 or 90, 94, which can evade the associated roller 96 or 98 in the downward direction of the lifting member 104 by acting around an axis 114 or 116 against the action of a return spring 118 or 120 is pivotable downwards. Accordingly, the levers 88, 92 and 90, 94 can move downward in their stop position defined by a tension spring 122 on the lifting member 104 without being obstructed by the curves 110 and 112 for storing cotton swabs 26.
  • the height of the two curves 110 and 112 determines the time at which the lateral tine deflection begins.
  • the curves 110 and 112 are therefore adjustable in height with respect to the packaging container 48 or the conveyor plane 75.
  • the pneumatic control of the lifting member 104 offers the advantage that, with an appropriate choice of the air pressure, the path during the downward movement of the tines 72 and 74 is shortened correspondingly according to the number of layers of cotton swabs 26 stored in the packaging container 48 per stroke without any technical effort.
  • the evasive movement of the tines 72 and 74 can e.g. can also be generated by a backdrop with a gate switch.
  • transverse slots 126 are incorporated at a distance from one another which, when cotton swabs are taken over, absorb and hold their swab shaft 24 under slight pretension.
  • the transverse webs 128 remaining between the transverse slots 126 thus form rod-holding claws. These can also be formed by spring steel tongues.
  • the discharge belt 40 also takes over the task of the transfer belt for the hanging transport of the cotton swabs 26 to the stripping device, which is denoted by 46 'and their stroke direction and their components with the same, but also provided with an apostrophe reference numerals as in Fig. 1.
  • the transport run 10 'of the discharge belt 10 fulfills the function of the transfer belt along a last section of the belt before the latter is deflected again in the opposite direction for the return.
  • this section of the strand is guided in such a way that it is twisted or restricted in the conveying direction by 180 ° before the cotton swabs 26, which are then suspended from this, which is no longer shown, are fed to a stripping device for storage in a packaging container.
  • the setting of the transport strand 10 ' is then undone again by appropriate guide means before it begins its return.
  • the transport strand 10 'along the twisting section is also assigned a suitable, for example working with negative pressure, no longer shown securing device to secure the cotton swabs 26, if necessary, during the setting of the transport strand 10' and during further transport in a hanging state.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
EP90111164A 1989-07-10 1990-06-13 Wattestäbchen-Maschine Withdrawn EP0407747A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3922649 1989-07-10
DE19893922649 DE3922649C1 (enrdf_load_stackoverflow) 1989-07-10 1989-07-10

Publications (1)

Publication Number Publication Date
EP0407747A1 true EP0407747A1 (de) 1991-01-16

Family

ID=6384674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90111164A Withdrawn EP0407747A1 (de) 1989-07-10 1990-06-13 Wattestäbchen-Maschine

Country Status (2)

Country Link
EP (1) EP0407747A1 (enrdf_load_stackoverflow)
DE (1) DE3922649C1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103101644A (zh) * 2013-02-08 2013-05-15 刘义明 医用棉签自动化包装机的计数机构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101905757A (zh) * 2010-07-23 2010-12-08 兰溪市万成机电制造有限公司 一种棉签机的取料同步装置和方法
CN106081192B (zh) * 2016-08-10 2018-08-07 揭阳市康美日用制品有限公司 一种棉签棒料自动装箱机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054021A (en) * 1975-07-18 1977-10-18 Karl Fassbind Apparatus for simultaneously packaging a series of elongate bodies

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH575854A5 (en) * 1974-09-25 1976-05-31 Fassbind Karl Cotton wad stick packing machine - support bars swing down and out to lower stick group into pack underneath
CH582089A5 (enrdf_load_stackoverflow) * 1975-07-17 1976-11-30 Fassbind Karl
CH582088A5 (en) * 1975-07-18 1976-11-30 Fassbind Karl Packing machine for cotton wool buds on sticks - has toothed belt gripping items by suction and vertically reciprocating ejector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054021A (en) * 1975-07-18 1977-10-18 Karl Fassbind Apparatus for simultaneously packaging a series of elongate bodies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103101644A (zh) * 2013-02-08 2013-05-15 刘义明 医用棉签自动化包装机的计数机构
CN103101644B (zh) * 2013-02-08 2014-09-03 东莞市万江鸿浩五金电器厂 医用棉签自动化包装机的计数机构

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Publication number Publication date
DE3922649C1 (enrdf_load_stackoverflow) 1990-10-31

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