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SE2350951A1 - System and method for handling elongated pieces with mixed dimensions - Google Patents

System and method for handling elongated pieces with mixed dimensions

Info

Publication number
SE2350951A1
SE2350951A1 SE2350951A SE2350951A SE2350951A1 SE 2350951 A1 SE2350951 A1 SE 2350951A1 SE 2350951 A SE2350951 A SE 2350951A SE 2350951 A SE2350951 A SE 2350951A SE 2350951 A1 SE2350951 A1 SE 2350951A1
Authority
SE
Sweden
Prior art keywords
elongated pieces
infeed conveyor
single piece
ofthe
pieces
Prior art date
Application number
SE2350951A
Other languages
Swedish (sv)
Other versions
SE546958C2 (en
Inventor
Tony Gunnarsson
Original Assignee
C Gunnarssons Verkst Ab
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 C Gunnarssons Verkst Ab filed Critical C Gunnarssons Verkst Ab
Priority to SE2350951A priority Critical patent/SE546958C2/en
Publication of SE2350951A1 publication Critical patent/SE2350951A1/en
Publication of SE546958C2 publication Critical patent/SE546958C2/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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • 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
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/10—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
    • B65G15/12—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
    • 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
    • B65G2201/0282—Wooden articles, e.g. logs, trunks or planks
    • 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
    • B65G2811/00—Indexing codes relating to common features for more than one conveyor kind or type
    • B65G2811/06—Devices controlling the relative position of articles
    • B65G2811/0621—Devices controlling the relative position of articles by modifying the orientation or position of articles
    • B65G2811/0626—Orientation of articles
    • 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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
    • B65G47/30—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors
    • B65G47/31—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors by varying the relative speeds of the conveyors forming the series

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Abstract

The invention relates to a system (1) for handling elongated pieces (2), such as lumber pieces, with mixed dimensions. The system (1) comprises an infeed conveyor (3) comprising at least two horizontal transport chains (7) arranged parallel, a single piece feeder (4) arranged in connection with the infeed conveyor (3), to which the infeed conveyor (3) supplies the elongated pieces (2), an outfeed conveyor (5) arranged in connection with the single piece feeder (4), and a control unit. The invention also relates to a method for handling elongated pieces (2), such as lumber pieces, with mixed dimensions.

Claims (13)

Claims
1. A system (1) for handling elongated pieces (2), such as lumber pieces, with mixed dimensions, the system (1) comprising: an infeed conveyor (3) comprising at least two horizontal transport chains (7) arranged parallel, each horizontal transport chain (7) comprising a plurality of endless conveyors (8) arranged in series, wherein the infeed conveyor (3) is adapted to create a space between each one ofthe elongated pieces (2) in a transport direction (T), a single piece feeder (4) arranged in connection with the infeed conveyor (3), to which the infeed conveyor (3) supplies the spaced apart elongated pieces (2), wherein the single piece feeder (4) comprises at least two horizontal transport chains (9), arranged in parallel, each one of which being equipped with at least one adjustment element (10) arranged to push the elongated pieces (2) from behind, an outfeed conveyor (5) arranged in connection with the single piece feeder (4), wherein the outfeed conveyor (5) comprises at least two horizontal transport chains (11), arranged in parallel, each one of which being equipped with a plurality of carriers (12) arranged at even intervals to push the elongated pieces (2) from behind, and a control unit which is adapted to detect a position and size of each elongated piece (2) on the infeed conveyor (3) and to control the single piece feeder (4) such that the at least one adjustment element (10) on each one of the at least two horizontal transport chains positions (9) in the space between two elongated pieces (2).
2. The system (1) according to claim 1, wherein the at least one adjustment element (10) of the single piece feeder (4), based on the position and size detected by the control unit, is adapted to arrange the elongated pieces (2) along a straight line which is perpendicular to the transport direction (T) and at a predetermined distance from each other.
3. The system (1) according to claim 1 or 2, wherein the at least one adjustment element (10) of the single piece feeder (4), based on the position andsize detected by the control unit, is adapted to adjust the elongated pieces (2) in relation to the carriers (12) of the subsequent outfeed conveyor (5).
4. The system (1) according to any one ofthe preceding claims, wherein the at least one adjustment element (10) comprises a movable portion (14) being movable from a retracted position into the space created between two elongated pieces (2).
5. The system (1) according to any one ofthe preceding claims, wherein the single piece feeder (4) comprises two adjustment elements (10) evenly distributed at a transport surface (13) ofthe single piece feeder (4).
6. The system (1) according to any one of the preceding claims, wherein the infeed conveyor (3) is adapted to create the space between each one of the elongated pieces (2) in the transport direction by altering velocities of the endless conveyors (8) ofthe infeed conveyor (3).
7. The system (1) according to any one of the preceding claims, wherein the |nfeed conveyor (3) comprises four horizontal transport chains (7) arranged parallel, each horizontal transport chain (7) comprising four endless conveyors (8) arranged in series.
8. The system (1) according to any one of the preceding claims, further comprising one or several cameras (6) or sensor elements connected to the control unit and adapted to detect the position and size of each elongated piece (2) on the infeed conveyor (3).
9. A method for handling elongated pieces (2), such as lumber pieces, with mixed dimensions in a system (1), the system (1) comprising: an infeed conveyor (3) comprising at least two horizontal transport chains (7) arranged parallel, each horizontal transport chain (7) comprising a plurality of endless conveyors (8) arranged in series,a single piece feeder (4) arranged in connection with the infeed conveyor (3), to which the infeed conveyor (3) supplies the elongated pieces (2), wherein the single piece feeder (4) comprises at least two horizontal transport chains (9), arranged in parallel, each one of which being equipped with at least one adjustment element (10) arranged to push the elongated pieces (2) from behind, an outfeed conveyor (5) arranged in connection with the single piece feeder (4), wherein the outfeed conveyor (5) comprises at least two horizontal transport chains (11), arranged in parallel, each one ofwhich being equipped with a plurality of carriers (12) arranged at even intervals to push the elongated pieces (2) from behind, and a control unit, wherein the method comprises: transporting the elongated pieces (2) along the infeed conveyor (3), creating a space between each one ofthe elongated pieces (2) in a transport direction (T) by means ofthe infeed conveyor (3), detecting a position and size of each spaced apart elongated piece (2) on the infeed conveyor (3) by means ofthe control unit, and controlling the single piece feeder (4) such that the at least one adjustment element (10) on each one ofthe at least two horizontal transport chains (9) positions in the space between two elongated pieces (2).
10. The method according to claim 9, further comprising, based on the position and size detected by the control unit, arranging the elongated pieces (2) along a straight line which is perpendicular to the transport direction (T) and at a predetermined distance from each other.
11. The method according to claim 9 or 10, further comprising, based on the position and size detected by the control unit, adjusting the elongated pieces (2) in relation to the carriers (12) of the subsequent outfeed conveyor (5).
12. The method according to any one of the claims 9 to 11, wherein the step of controlling the single piece feeder (4) such that the at least one adjustmentelement (10) on each one ofthe at least two horizontal transport chains (9) positions in the space between two elongated pieces (2) comprises: projecting a movable portion (14) of the at least one adjustment element (10) from a retracted position, above a transport surface (13) of the infeed conveyor (3) and into the space between two elongated pieces (2).
13. The method according to any one of the claims 9 to 12, wherein the step of creating a space between each one ofthe elongated pieces (2) in a transport direction (T) by means ofthe infeed conveyor (3) comprises: altering velocities of the endless conveyors (8) of the infeed conveyor (3).
SE2350951A 2023-08-09 2023-08-09 System and method for handling elongated pieces with mixed dimensions SE546958C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE2350951A SE546958C2 (en) 2023-08-09 2023-08-09 System and method for handling elongated pieces with mixed dimensions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2350951A SE546958C2 (en) 2023-08-09 2023-08-09 System and method for handling elongated pieces with mixed dimensions

Publications (2)

Publication Number Publication Date
SE2350951A1 true SE2350951A1 (en) 2025-02-10
SE546958C2 SE546958C2 (en) 2025-03-18

Family

ID=94977327

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2350951A SE546958C2 (en) 2023-08-09 2023-08-09 System and method for handling elongated pieces with mixed dimensions

Country Status (1)

Country Link
SE (1) SE546958C2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5547004A (en) * 1992-01-28 1996-08-20 Klockner Hansel Tevopharm B.V. Method and device for arranging a stream of products
US20080283362A1 (en) * 2007-02-07 2008-11-20 Darryl Kujat Virtual lug loader
WO2015108481A1 (en) * 2014-01-20 2015-07-23 C. Gunnarssons Verkstads Ab Method and apparatus for single feeding of elongate objects
WO2018004441A1 (en) * 2016-06-29 2018-01-04 C. Gunnarssons Verkstads Ab Method of flow optimisation in a system for handling timber pieces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5547004A (en) * 1992-01-28 1996-08-20 Klockner Hansel Tevopharm B.V. Method and device for arranging a stream of products
US20080283362A1 (en) * 2007-02-07 2008-11-20 Darryl Kujat Virtual lug loader
WO2015108481A1 (en) * 2014-01-20 2015-07-23 C. Gunnarssons Verkstads Ab Method and apparatus for single feeding of elongate objects
WO2018004441A1 (en) * 2016-06-29 2018-01-04 C. Gunnarssons Verkstads Ab Method of flow optimisation in a system for handling timber pieces

Also Published As

Publication number Publication date
SE546958C2 (en) 2025-03-18

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