WO2012177141A2 - Transport system for transporting non-ferrous metal objects - Google Patents

Transport system for transporting non-ferrous metal objects Download PDF

Info

Publication number
WO2012177141A2
WO2012177141A2 PCT/NL2012/050488 NL2012050488W WO2012177141A2 WO 2012177141 A2 WO2012177141 A2 WO 2012177141A2 NL 2012050488 W NL2012050488 W NL 2012050488W WO 2012177141 A2 WO2012177141 A2 WO 2012177141A2
Authority
WO
WIPO (PCT)
Prior art keywords
conveyor track
transport system
objects
magnets
during operation
Prior art date
Application number
PCT/NL2012/050488
Other languages
French (fr)
Other versions
WO2012177141A3 (en
Inventor
Karel Peter August BROERSE
Original Assignee
Broerse Karel Peter August
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 Broerse Karel Peter August filed Critical Broerse Karel Peter August
Publication of WO2012177141A2 publication Critical patent/WO2012177141A2/en
Publication of WO2012177141A3 publication Critical patent/WO2012177141A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
    • B65G51/02—Directly conveying the articles, e.g. slips, sheets, stockings, containers or workpieces, by flowing gases
    • B65G51/03—Directly conveying the articles, e.g. slips, sheets, stockings, containers or workpieces, by flowing gases over a flat surface or in troughs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
    • B03C1/24—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields
    • B03C1/247—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields obtained by a rotating magnetic drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0235—Containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G54/00—Non-mechanical conveyors not otherwise provided for
    • B65G54/02—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
    • B65G54/025—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic the load being magnetically coupled with a piston-like driver moved within a tube

Definitions

  • the invention relates to a transport system for transporting objects made of non-ferrous metal, comprising a conveyor track along which the objects are moved during operation, as well as air blowing means which are installed beside the conveyor track and blow air into the conveyor track during operation so as to move the objects along.
  • a transport system of this type is generally known. With the known system it turns out to be difficult to regulate the transport speed in practice. Summary of the invention
  • the transport system according to the invention is characterized in that the transport system further includes displaceable magnets which are also installed beside the conveyor track and which during operation can be displaced in a direction substantially parallel to the direction of transport.
  • the magnets are installed beside the conveyor track in such a way that the magnetic fields generated by them extend to as far as into the conveyor track.
  • the objects moved over the conveyor tracks move through the magnetic fields whereby eddy currents are generated in the objects which eddy currents either decelerate or accelerate the objects in dependence on the direction of motion of the magnetic fields relative to the direction of transport of the objects.
  • the magnets By moving the magnets, the eddy currents in the objects are magnified and the magnitude of the eddy currents can be controlled by moving the magnets more quickly or more slowly.
  • the magnets can preferably be displaced in the direction of transport or in a direction opposite to this.
  • the magnets can be moved alongside the conveyor track in that they are installed for example on conveyor belts present on either one of the two sides of the conveyor track.
  • the magnets are arranged in a rotary fashion beside the conveyor track.
  • the magnets are preferably permanent magnets that can rotate around their axle.
  • the transport system is preferably comprised of modules of at least two rotary magnet units spaced apart from each other and which comprise each at least one magnet, with one magnet unit being positioned on either one of the two sides of the conveyor track. These modules may be positioned right behind each other or at mutual distances alongside the conveyor track. By introducing more modules alongside the conveyor track, the transport speed can be regulated better.
  • the modules preferably have two walls which are present in between the objects to be transported and the magnets and constitute side walls of segments of the conveyor track. These walls are made of non-ferrous materials.
  • Fig. 1 shows a cross section of a module of an embodiment of the transport system according to the invention.
  • Fig. 2 shows a top view of the module of the transport system shown in Fig. 1.
  • Figs. 1 and 2 show a cross section and top view respectively, of a module 1 of an embodiment of the transport system according to the invention.
  • the transport system comprises a conveyor track 3 having a bottom 5 and a ceiling 6 between which the non- ferrous metal objects 7 to be transported, in this case aluminium tins, can be moved.
  • air chutes 9 Underneath the bottom and over the ceiling of the conveyor track are positioned air chutes 9 which form part of air blowing means which can inject air into the conveyor track through openings provided in the bottom and the ceiling for blowing the objects 7 forward.
  • the module 1 further includes two magnet units 11 and 13 which are installed on either one of the two sides of the conveyor track track 3.
  • Each magnet unit comprises two rotary magnets 15 and 17. These magnets are installed on axles 19 that can be rotated by drive means 21 .
  • the tins transported over the conveyor track are moved by means of the magnetic fields from the magnets 15 and 17 whereby the eddy currents are generated in the walls of the tins, which eddy currents decelerate or accelerate the objects in dependence on the direction of motion of the magnetic fields 23 (see Fig. 2) relative to the direction of transport 25 of the objects.
  • the magnets 15 and 17 By rotating the magnets 15 and 17, the eddy currents in the objects 7 are magnified while the magnitude of the eddy currents can be controlled by moving the magnets more quickly or more slowly.
  • the direction of motion 23 of the ring magnets 15 and 17 is understood to mean the direction in which the magnets move at a location close to or adjacent to the conveyor track 3, so the directions indicated by the arrows 23.
  • Walls 27 of non magnetically conducting material are installed between the conveyor track 3 and the magnet units 11 and 13, which walls constitute side walls of segments of the conveyor track.
  • the transport system according to the invention is not just suitable for transporting objects of non-ferrous metal, but it is also suitable for transporting objects made of electrically conducting material other than metal.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Non-Mechanical Conveyors (AREA)

Abstract

1. A transport system for transporting objects (7) made of non-ferrous metal, comprising a conveyor track (3) along which the objects are moved during operation, as well as air blowing means which are installed beside the conveyor track and blow air into the conveyor track during operation so as to move the objects along, characterized in that the transport system further includes displaceable magnets (15, 17) which are also installed beside the conveyor track (3) and which during operation can be displaced in a direction (23) substantially parallel to the direction of transport (25). 2. A transport system as claimed in claim 1, characterized in that the magnets (15, 17) are arranged in a rotary fashion beside the conveyor track (3). 3. A transport system as claimed in claim 1 or 2, characterized in that the transport system is comprised of modules (1) of at least two rotary magnet units (11, 13) spaced apart from each other and which comprise each at least one magnet (15, 17) with one magnet unit being positioned on either one of the two sides of the conveyor track (3). 4. A transport system as claimed in claim 3, characterized in that the modules (1) have two walls (27) which are present in between the objects (7) to be transported and the magnets (15, 17) and constitute side walls of segments of the conveyor track.

Description

Transport system for transporting non-ferrous metal objects
DESCRIPTION
Field of the invention
The invention relates to a transport system for transporting objects made of non-ferrous metal, comprising a conveyor track along which the objects are moved during operation, as well as air blowing means which are installed beside the conveyor track and blow air into the conveyor track during operation so as to move the objects along.
Beside the conveyor track is not only meant to be understood as the air blowing means being positioned sideways facing the conveyor track, but that the air blowing means in lieu of this or in addition to this may also be installed underneath and/or over the conveyor track. State of the art
A transport system of this type is generally known. With the known system it turns out to be difficult to regulate the transport speed in practice. Summary of the invention
It is an object of the invention to provide a transport system of the type defined in the opening paragraph by which the speed at which the objects are transported over the conveyor track can be regulated better than with the known transport system. For this purpose the transport system according to the invention is characterized in that the transport system further includes displaceable magnets which are also installed beside the conveyor track and which during operation can be displaced in a direction substantially parallel to the direction of transport.
The magnets are installed beside the conveyor track in such a way that the magnetic fields generated by them extend to as far as into the conveyor track. The objects moved over the conveyor tracks move through the magnetic fields whereby eddy currents are generated in the objects which eddy currents either decelerate or accelerate the objects in dependence on the direction of motion of the magnetic fields relative to the direction of transport of the objects. By moving the magnets, the eddy currents in the objects are magnified and the magnitude of the eddy currents can be controlled by moving the magnets more quickly or more slowly.
The magnets can preferably be displaced in the direction of transport or in a direction opposite to this.
The magnets can be moved alongside the conveyor track in that they are installed for example on conveyor belts present on either one of the two sides of the conveyor track. However, in a preferred embodiment of the transport system according to the invention the magnets are arranged in a rotary fashion beside the conveyor track. The magnets are preferably permanent magnets that can rotate around their axle.
The transport system is preferably comprised of modules of at least two rotary magnet units spaced apart from each other and which comprise each at least one magnet, with one magnet unit being positioned on either one of the two sides of the conveyor track. These modules may be positioned right behind each other or at mutual distances alongside the conveyor track. By introducing more modules alongside the conveyor track, the transport speed can be regulated better.
The modules preferably have two walls which are present in between the objects to be transported and the magnets and constitute side walls of segments of the conveyor track. These walls are made of non-ferrous materials.
Brief description of the drawings
The invention will now be described in more detail based on examples of embodiment of the transport system according to the invention while reference is made to the appended drawing figures, in which:
Fig. 1 shows a cross section of a module of an embodiment of the transport system according to the invention; and
Fig. 2 shows a top view of the module of the transport system shown in Fig. 1.
Detailed description of the drawings
Figs. 1 and 2 show a cross section and top view respectively, of a module 1 of an embodiment of the transport system according to the invention. The transport system comprises a conveyor track 3 having a bottom 5 and a ceiling 6 between which the non- ferrous metal objects 7 to be transported, in this case aluminium tins, can be moved. Underneath the bottom and over the ceiling of the conveyor track are positioned air chutes 9 which form part of air blowing means which can inject air into the conveyor track through openings provided in the bottom and the ceiling for blowing the objects 7 forward.
The module 1 further includes two magnet units 11 and 13 which are installed on either one of the two sides of the conveyor track track 3. Each magnet unit comprises two rotary magnets 15 and 17. These magnets are installed on axles 19 that can be rotated by drive means 21 .
The tins transported over the conveyor track are moved by means of the magnetic fields from the magnets 15 and 17 whereby the eddy currents are generated in the walls of the tins, which eddy currents decelerate or accelerate the objects in dependence on the direction of motion of the magnetic fields 23 (see Fig. 2) relative to the direction of transport 25 of the objects. By rotating the magnets 15 and 17, the eddy currents in the objects 7 are magnified while the magnitude of the eddy currents can be controlled by moving the magnets more quickly or more slowly. The direction of motion 23 of the ring magnets 15 and 17 is understood to mean the direction in which the magnets move at a location close to or adjacent to the conveyor track 3, so the directions indicated by the arrows 23.
Walls 27 of non magnetically conducting material are installed between the conveyor track 3 and the magnet units 11 and 13, which walls constitute side walls of segments of the conveyor track.
Albeit the invention has been described in the foregoing with reference to the drawings, it should be observed that the invention is not by any manner or means restricted to the embodiments shown in the drawings. The invention also extends to all embodiments deviating from the embodiments shown in the drawings within the spirit and scope defined by the claims. For example, the transport system according to the invention is not just suitable for transporting objects of non-ferrous metal, but it is also suitable for transporting objects made of electrically conducting material other than metal.

Claims

CLAIMS:
1. A transport system for transporting objects (7) made of non-ferrous metal, comprising a conveyor track (3) along which the objects are moved during operation, as well as air blowing means which are installed beside the conveyor track and blow air into the conveyor track during operation so as to move the objects along, characterized in that the transport system further includes displaceable magnets (15, 17) which are also installed beside the conveyor track (3) and which during operation can be displaced in a direction (23) substantially parallel to the direction of transport (25).
2. A transport system as claimed in claim 1 , characterized in that the magnets (15, 17) are arranged in a rotary fashion beside the conveyor track (3).
3. A transport system as claimed in claim 1 or 2, characterized in that the transport system is comprised of modules (1) of at least two rotary magnet units (11, 13) spaced apart from each other and which comprise each at least one magnet (15, 17) with one magnet unit being positioned on either one of the two sides of the conveyor track (3).
4. A transport system as claimed in claim 3, characterized in that the modules (1) have two walls (27) which are present in between the objects (7) to be transported and the magnets (15, 17) and constitute side walls of segments of the conveyor track.
PCT/NL2012/050488 2011-05-12 2012-07-09 Transport system for transporting non-ferrous metal objects WO2012177141A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL2006768 2011-05-12
NL2006768 2011-05-12
NL2006829A NL2006829C2 (en) 2011-05-12 2011-05-23 TRANSPORT SYSTEM FOR TRANSPORTING NON-FERRO METAL OBJECTS.
NL2006829 2011-05-23

Publications (2)

Publication Number Publication Date
WO2012177141A2 true WO2012177141A2 (en) 2012-12-27
WO2012177141A3 WO2012177141A3 (en) 2013-02-21

Family

ID=47423132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2012/050488 WO2012177141A2 (en) 2011-05-12 2012-07-09 Transport system for transporting non-ferrous metal objects

Country Status (2)

Country Link
NL (1) NL2006829C2 (en)
WO (1) WO2012177141A2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2523378A1 (en) * 1975-05-27 1976-12-09 Rudolph E Futer Interruptable air cushion conveyor - has horizontal upstream and sloping downstream surfaces
US4732513A (en) * 1986-08-29 1988-03-22 Precision Metal Fabricators, Inc. Controlled speed coverless air conveyor
DE4317640A1 (en) * 1993-05-27 1994-12-08 Nsm Magnettechnik Gmbh Device for influencing the position of parts of electrically conductive, non-ferromagnetic materials, in particular for transporting and/or sorting such parts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
WO2012177141A3 (en) 2013-02-21
NL2006829C2 (en) 2012-11-13

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