EP1378449A1 - Vorrichtung zum automatischen Zuführen von Socken oder ähnlichen Strumpfwaren zu einer Verpackungsmaschine - Google Patents

Vorrichtung zum automatischen Zuführen von Socken oder ähnlichen Strumpfwaren zu einer Verpackungsmaschine Download PDF

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Publication number
EP1378449A1
EP1378449A1 EP02425445A EP02425445A EP1378449A1 EP 1378449 A1 EP1378449 A1 EP 1378449A1 EP 02425445 A EP02425445 A EP 02425445A EP 02425445 A EP02425445 A EP 02425445A EP 1378449 A1 EP1378449 A1 EP 1378449A1
Authority
EP
European Patent Office
Prior art keywords
socks
conveyor
unit
packaging machine
unit 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.)
Withdrawn
Application number
EP02425445A
Other languages
English (en)
French (fr)
Inventor
Eugenio Tinarelli
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.)
Tinarelli Srl
Original Assignee
Tinarelli Srl
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 Tinarelli Srl filed Critical Tinarelli Srl
Priority to EP02425445A priority Critical patent/EP1378449A1/de
Publication of EP1378449A1 publication Critical patent/EP1378449A1/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Withdrawn legal-status Critical Current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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/20—Packaging garments, e.g. socks, stockings, shirts

Definitions

  • the present invention relates to a unit for automatically feeding a packaging machine for socks or similar hosiery products.
  • a machine for making socks is usually connected at the downstream end to an inspection and boarding unit used to fix the shape and size of the socks.
  • the outfeed end of the inspection and boarding unit is in turn linked up to means for conveying the socks to a packaging machine which places the socks in boxes or other packages ready for sale.
  • the socks are adjusted relative to each other so that when they are paired at the outfeed end of the conveying means, the two socks in each pair are laid exactly over each other.
  • transversal adjustment means located on a first stretch of the conveying means.
  • the transversal adjustment means move crossways relative to the conveying means in such a way as to push each sock towards the centre of the conveyor it is travelling on.
  • longitudinal adjustment means align them lengthways with each other so that they are exactly paired when they reach the end of the conveyors.
  • the crossways adjustment performed by the transversal adjustment means may be impaired by the static electricity generated by the friction of the socks rubbing against the surface of the conveyors.
  • the properties of the textile materials used to manufacture hosiery products, especially the extremely light materials used to make ladies' stockings are such that the pushing action of the adjustment means creates unattractive folds and creases which cannot be eliminated before packaging and which are therefore still present in the finished packages placed on sale.
  • the present invention therefore has for an object to overcome the above mentioned disadvantage by providing an automatic unit for feeding socks and similar hosiery products that is extremely simple and fast and that significantly reduces friction between the socks and the surface of the conveyors.
  • the present invention accordingly provides an automatic unit for feeding socks and similar hosiery products to a packaging machine, comprising: conveying means located between a manufacturing machine and the packaging machine, where the conveying means include a first conveyor and a second conveyor and means for adjusting the socks lengthways; and means for laying the socks over each other in such a way as to form pairs of overlaid socks at the outfeed end of the conveying means, the feed unit being characterised in that the first conveyor and the second conveyor at least constitute means for vertically aligning the socks.
  • the numeral 1 denotes in its entirety a unit for automatically feeding an automatic machine 2, for example a packaging machine for socks 3 or similar hosiery products.
  • the unit 1 is an operating unit forming part of a hosiery manufacturing line. It is connected at the upstream end to a unit 4 for finishing the socks 3, for example an inspection and boarding unit, used to fix the shape and size of the socks 3 and, at the downstream end, to the packaging machine 2 which places the socks 3 in boxes or other packages (not illustrated) ready for sale.
  • a unit 4 for finishing the socks 3 for example an inspection and boarding unit, used to fix the shape and size of the socks 3 and, at the downstream end, to the packaging machine 2 which places the socks 3 in boxes or other packages (not illustrated) ready for sale.
  • Both the inspection and boarding unit 4 and the packaging machine 2 are of well known type and therefore illustrated schematically as blocks in Figure 1.
  • the feed unit 1 comprises a conveyor assembly 5 located between a stripping and transfer unit 6 which picks the socks 3 up from the unit 4 and an overlaying unit 7 designed to form the pairs of socks 3 to be fed to the machine 2 in a defined direction D on a conveyor belt 8.
  • the conveyor assembly 5 comprises a first conveyor belt and a second conveyor belt, labelled 9 and 10, respectively, looped around respective end pulleys.
  • One of the two pulleys, labelled 11 and 12, of each of the belts 9 and 10, respectively, is driven by a respective motor 13 and 14 through a customary transmission system.
  • the horizontal, parallel upper sections of the conveyors 9 and 10, that is to say, the sections labelled 15 and 16, respectively, are the parts of the conveyors that transport the socks 3 in the direction D and are positioned at different heights, the section 15 being located at a height above the section 16.
  • the first conveyor and the second conveyor 9 and 10 move crossways relative to each other from an offset position in which they receive the socks 3 from respective belts 6a and 6b of the stripping and transfer unit 6 to a second position in which the socks 3 are vertically aligned with each other and transferred to respective belts 7a and 7b of the overlaying unit 7.
  • the belts 7a and 7b are vertically aligned with each other and at the same time inclined relative to the conveyors 9 and 10, in such a way as to converge towards the infeed end of the conveyor belt 8 that feeds the pairs of overlaid socks 3 to the machine 2.
  • the first conveyor belt 9, the upper one, is fixed while the lower, second conveyor belt 10 is mobile, driven by actuating means labelled 17 in their entirety, between the above mentioned offset receiving position, drawn with a dashed line in Figures 2 and 3, and the above mentioned position of vertical alignment of the socks 3, drawn with a dashed line in Figure 2 only, where the socks 3 are fed to the overlaying unit 7.
  • the actuating means 17 are controlled by a control unit 18 and comprise a carriage 19 that supports the conveyor 10 and slides between the two above mentioned positions on horizontal guide rods 20 positioned transversely relative to the upper section 16 of the conveyor 10.
  • the control unit 18 receives input signals from sensors 21 and 22 connected, respectively, to the section 15 of the first conveyor 9 and to the section 16 of the second conveyor 10.
  • the sensors 21 and 22 are designed to detect the positions of the socks 3 on the respective conveyor sections 15 and 16 after they have been fed out of the stripping and transfer unit 6 and, more specifically, detect the positions of the longitudinal centre lines 3a of the socks 3 relative to the centre lines 15a and 16a of the conveyor sections 15 and 16, respectively.
  • the first conveyor and the second conveyor 9 and 10 are equipped with additional sensors 23 and 24 for detecting one end of the socks 3.
  • the sensors 23 and 24 act on the motors 13 and 14 in such a way as to align the socks in each pair lengthways before they are fed into the overlaying unit 7.
  • the motors 13 and 14 can adjust the relative motion of the sections 15 and 16 of the conveyors 9 and 10 until the socks 3 are aligned lengthways.
  • the two conveyors 9 and 10 not only constitute vertical alignment means but also means for aligning and adjusting the socks 3 lengthways.
  • the centre line 3a of the sock 3 which is fed by the belt 6a to the section 16 of the second conveyor 10 does not coincide with the centre line 16a of the conveyor section 16, while the centre line 3a of the other sock 3, which will complete the pair of overlaid socks formed at the outfeed end of the overlaying unit 7 and which is fed by the belt 6b of the section 15, does coincide with the centre line 15a of the section 15.
  • the sensors 21 and 22 will detect the positions of the longitudinal centre lines 3a of the socks 3 relative to the centre lines 15a and 16a of the sections 15 and 16 and will generate a signal for the control unit 18 to activate the actuator 17.
  • the sensors 21 and 22 will detect the positions of the longitudinal centre lines 3a of the socks 3 relative to the centre lines 15a and 16a of the conveyor sections 15 and 16 and will generate a signal for the control unit 18 to activate the actuator 17 and to enable the latter, through the carriage 19, to move the second conveyor 10 until the two centre lines 3a of the socks 3 are vertically aligned.
  • control unit 18 simply detects the offset of the centre lines 3a of both the socks 3 in each pair and cancels it by appropriately adjusting the conveyor 10 relative to the conveyor 9.
  • the two conveyors 9 and 10 need not be equipped with the sensors 21 and 22 and the control unit 18 could adjust the conveyor 10 by a fixed amount relative to the conveyor 9.
  • the belts 6a and 6b or intermediate belts which are not illustrated comprise means for initially adjusting the relative angular position between the foot 25 and the leg 26, as described in European patent No.02425125.8 in the name of the same Applicant, the disclosure of which is incorporated herein by reference.
  • the initial angular adjustment means 27 comprise means 28 for adjusting the angle of the socks 3.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
EP02425445A 2002-07-05 2002-07-05 Vorrichtung zum automatischen Zuführen von Socken oder ähnlichen Strumpfwaren zu einer Verpackungsmaschine Withdrawn EP1378449A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02425445A EP1378449A1 (de) 2002-07-05 2002-07-05 Vorrichtung zum automatischen Zuführen von Socken oder ähnlichen Strumpfwaren zu einer Verpackungsmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02425445A EP1378449A1 (de) 2002-07-05 2002-07-05 Vorrichtung zum automatischen Zuführen von Socken oder ähnlichen Strumpfwaren zu einer Verpackungsmaschine

Publications (1)

Publication Number Publication Date
EP1378449A1 true EP1378449A1 (de) 2004-01-07

Family

ID=29719826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02425445A Withdrawn EP1378449A1 (de) 2002-07-05 2002-07-05 Vorrichtung zum automatischen Zuführen von Socken oder ähnlichen Strumpfwaren zu einer Verpackungsmaschine

Country Status (1)

Country Link
EP (1) EP1378449A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004379A1 (de) * 1978-03-25 1979-10-03 August Krempel Söhne GmbH & Co. Faltmaschine für biegeschlaffe Erzeugnisse, insbesondere Textilien
EP0816555A2 (de) * 1996-07-01 1998-01-07 Wepamat Maschinenbau GmbH Vorrichtung zum Gruppieren von Textilien
US5788130A (en) * 1997-01-21 1998-08-04 Todd Motion Controls, Inc. Sock processing apparatus and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004379A1 (de) * 1978-03-25 1979-10-03 August Krempel Söhne GmbH & Co. Faltmaschine für biegeschlaffe Erzeugnisse, insbesondere Textilien
EP0816555A2 (de) * 1996-07-01 1998-01-07 Wepamat Maschinenbau GmbH Vorrichtung zum Gruppieren von Textilien
US5788130A (en) * 1997-01-21 1998-08-04 Todd Motion Controls, Inc. Sock processing apparatus and method

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