CA1077880A - Procedure in the quality and/or length sorting of sawn or planed timber - Google Patents
Procedure in the quality and/or length sorting of sawn or planed timberInfo
- Publication number
- CA1077880A CA1077880A CA285,509A CA285509A CA1077880A CA 1077880 A CA1077880 A CA 1077880A CA 285509 A CA285509 A CA 285509A CA 1077880 A CA1077880 A CA 1077880A
- Authority
- CA
- Canada
- Prior art keywords
- timber
- compartments
- sorting
- conveyor
- lower conveyor
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/12—Sorting according to size characterised by the application to particular articles, not otherwise provided for
- B07C5/14—Sorting timber or logs, e.g. tree trunks, beams, planks or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Forests & Forestry (AREA)
- Sorting Of Articles (AREA)
- Specific Conveyance Elements (AREA)
- Discharge Of Articles From Conveyors (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
The present invention provides a process of the quality and/or length sorting of sawn or planed timber in a sorting installation wherein a plurality of consecutive sorting compartments are provided in which a given timber batch is accumulated from an upper conveyor, which is transferred mainly by gravity, as the compartments are filled, onto a lower conveyor located therebelow for transportation to further handling steps, and wherein for each different type of timber a group of compartments comprising at least two consecutive sorting compartments are provided, the opening of the bottoms of said compartments and emptying of the different compartments in each group being carried out with the same starting command and mutually timed in accordance with a pre-set programme, the improvement in which said sorting compartments include inclined sliding planes on which a single-layer timber mat is assembled.
The present invention provides a process of the quality and/or length sorting of sawn or planed timber in a sorting installation wherein a plurality of consecutive sorting compartments are provided in which a given timber batch is accumulated from an upper conveyor, which is transferred mainly by gravity, as the compartments are filled, onto a lower conveyor located therebelow for transportation to further handling steps, and wherein for each different type of timber a group of compartments comprising at least two consecutive sorting compartments are provided, the opening of the bottoms of said compartments and emptying of the different compartments in each group being carried out with the same starting command and mutually timed in accordance with a pre-set programme, the improvement in which said sorting compartments include inclined sliding planes on which a single-layer timber mat is assembled.
Description
~ ~ '7'~
The present invention relates to a process o* quality and/or length sorting of sawn timber. In particular7 the present invention is an improvement in the proaess of my copending Canadian applicatlon No. 266,689 filed November 26, 1976.
In said copending application there is disclosed in the process of quality and/or length sor~ing of sawn timber . in a sorting installation, wherein a plurality of consecutive sorting compartments are provided in which a given timber batch : is accumulated, which is transferred mainly by gravity as the '~ lO compartments are filled, onto an underneath conveyor for further .~ transport to an aPter-treatment section, and wherein in the .- transferring to the underneath conveyor is e~fected through openable compar~men-t bottoms which are upwardly elastically yielding and turnable about a hinge on one side thereof, the improvement in which the sorting installation includes for each . different type of sawn timber a group o~ compartments comprising : at least two consecutive sorting compar-tments, the opening of their ~`~ bottoms and emptying of the different compartments in each ~roup . being e~fected with the same starting command in accordance with . 20 a pre-set programme with such mutu~l timing that the compartment adjacent to the after-treatment section of the group of compartments begins to empty first and thereafter the next compartments in succession.
... It is highly important in any kind of timber handlingg especially in that of planed timber, that the corners of the pieces of timber are not damaged. In this respect the process of the copending application already affords.a notable improvement over ; processes and equipment of prior art, above all owing to the fact that when using the copendins application one may use ~mall sorting ~ 30 compartments, and when these are opened and emptied under programmed control the damage to the sawn timber pieces can be caused to markedly decrease from what it has been heretofore~
'`
. . ..
~L~77~
The present inVention is to provide a process in which timber pieces are made to form a continuous organized mat upon the lower conveyor so that special dispersing pockets are no longer-needed following the lower conveyor, and the sawn timber pieces may instead be conveyed directly from the lower conveyor to the packaging apparatus.
According to the present invention there is provided an apparatus for the quality and/or length sorting of sawn or planed timber, comprising: an upper conveyor for transporting the timber, a pluxality of consecutive sorting compartments for receiving and accumulating the tirnber from the upper conveyor, there being at least two consecutive sorting compartments for each timber type, a lower conveyor for receiving timber from said compartments mainly under the action of gravity, said sort-ing compartments comprising inclined sliding planes adapted to accumulate said timber in a single-layer timber mat and having releasable strap means at their lower ends which, when released, allow timber to slide off said sliding planes onto said lower conveyor, means for releasing said strap means in each group of compartments in accordance with a pre-set program; and guiding flaps articulated to the lower ends of the inclined planes and extending said inclined planes towards the lower conveyor and along which said timber slides onto the lower conveyor in a controlled manner, said ~laps being freely upwardly turnable out of the way of timber already on said lower conveyor.
Thus in accordance with the present invention, the sorting compartments include inclined sliding planes upon which a single-layer timber mat is assembled.
The present invention will be further illustrated by way of the accompanying drawinys in which, Fig. 1 is, in schematic elevational view of a sorting installation for use in the process according to one embodiment
The present invention relates to a process o* quality and/or length sorting of sawn timber. In particular7 the present invention is an improvement in the proaess of my copending Canadian applicatlon No. 266,689 filed November 26, 1976.
In said copending application there is disclosed in the process of quality and/or length sor~ing of sawn timber . in a sorting installation, wherein a plurality of consecutive sorting compartments are provided in which a given timber batch : is accumulated, which is transferred mainly by gravity as the '~ lO compartments are filled, onto an underneath conveyor for further .~ transport to an aPter-treatment section, and wherein in the .- transferring to the underneath conveyor is e~fected through openable compar~men-t bottoms which are upwardly elastically yielding and turnable about a hinge on one side thereof, the improvement in which the sorting installation includes for each . different type of sawn timber a group o~ compartments comprising : at least two consecutive sorting compar-tments, the opening of their ~`~ bottoms and emptying of the different compartments in each ~roup . being e~fected with the same starting command in accordance with . 20 a pre-set programme with such mutu~l timing that the compartment adjacent to the after-treatment section of the group of compartments begins to empty first and thereafter the next compartments in succession.
... It is highly important in any kind of timber handlingg especially in that of planed timber, that the corners of the pieces of timber are not damaged. In this respect the process of the copending application already affords.a notable improvement over ; processes and equipment of prior art, above all owing to the fact that when using the copendins application one may use ~mall sorting ~ 30 compartments, and when these are opened and emptied under programmed control the damage to the sawn timber pieces can be caused to markedly decrease from what it has been heretofore~
'`
. . ..
~L~77~
The present inVention is to provide a process in which timber pieces are made to form a continuous organized mat upon the lower conveyor so that special dispersing pockets are no longer-needed following the lower conveyor, and the sawn timber pieces may instead be conveyed directly from the lower conveyor to the packaging apparatus.
According to the present invention there is provided an apparatus for the quality and/or length sorting of sawn or planed timber, comprising: an upper conveyor for transporting the timber, a pluxality of consecutive sorting compartments for receiving and accumulating the tirnber from the upper conveyor, there being at least two consecutive sorting compartments for each timber type, a lower conveyor for receiving timber from said compartments mainly under the action of gravity, said sort-ing compartments comprising inclined sliding planes adapted to accumulate said timber in a single-layer timber mat and having releasable strap means at their lower ends which, when released, allow timber to slide off said sliding planes onto said lower conveyor, means for releasing said strap means in each group of compartments in accordance with a pre-set program; and guiding flaps articulated to the lower ends of the inclined planes and extending said inclined planes towards the lower conveyor and along which said timber slides onto the lower conveyor in a controlled manner, said ~laps being freely upwardly turnable out of the way of timber already on said lower conveyor.
Thus in accordance with the present invention, the sorting compartments include inclined sliding planes upon which a single-layer timber mat is assembled.
The present invention will be further illustrated by way of the accompanying drawinys in which, Fig. 1 is, in schematic elevational view of a sorting installation for use in the process according to one embodiment
-2-77~
,, , of the invention.
Fig, 2 shows, on a lar~er scale than Fig. 1, in more specific detail the process of the invention.
Referring to Fig. 1, the timber sorting installation ` 20 , ~ 2a-.
comprises an upper conveyor, 10, into the supporting members 11 of wich the -timber pieces d are fed from the conveyor 12. 8elow the upper conveyor 10, there i5 a set o~ sorting compartments formed by the sliding planes 14. When runnin~ in the direction indicated by the arrow A, the upper conveyor delivers timber pieces e into the set of sort~ng compartments. When an individual piece of timber f has arrived in the vicinity of the compartment consistent with its quality and/or length, the action of a turning cylinder 15 raises the dropping means 13a in its path, and the timber piece g (Fig. 2) passes over to the sliding plane 14 and slides down this plane against the timber mat B3 residing thereon, if present~
In accordance with the ~nventive concept of the copending applicationg the compartment sect~on of the s~rting installation consisting of sliding planes 14 has been subdivided into groups of compartments A, B, C and D, each one o~ them comprising, as shown in Fig. 1~ three compartments in immediate succession for each specific timber type. Further according to the inventive idea of the copending appl;cation, the stopping means 16 of the groups of compartments A to D have been arranged to be releasable and the compartments o~ the group in question to be emptied by one ~tarting command in accordance with a pre-set programme so that the compartments of the groups A to D open and eMpty with appropriate mutual timing.
In Fig. 2, the block C indicates schematically those programming and control means by which the action of the stopping means 16 and of the turning cylinder 17 is controlled. This same unit C may also include means governing the action of the turning cylinder 15 operatin~ the dropping means 13. In this connection no detailed explanation has been glven o~ this apparatus as there may be conventional electronic and/or pneumatic equipment.
,, , of the invention.
Fig, 2 shows, on a lar~er scale than Fig. 1, in more specific detail the process of the invention.
Referring to Fig. 1, the timber sorting installation ` 20 , ~ 2a-.
comprises an upper conveyor, 10, into the supporting members 11 of wich the -timber pieces d are fed from the conveyor 12. 8elow the upper conveyor 10, there i5 a set o~ sorting compartments formed by the sliding planes 14. When runnin~ in the direction indicated by the arrow A, the upper conveyor delivers timber pieces e into the set of sort~ng compartments. When an individual piece of timber f has arrived in the vicinity of the compartment consistent with its quality and/or length, the action of a turning cylinder 15 raises the dropping means 13a in its path, and the timber piece g (Fig. 2) passes over to the sliding plane 14 and slides down this plane against the timber mat B3 residing thereon, if present~
In accordance with the ~nventive concept of the copending applicationg the compartment sect~on of the s~rting installation consisting of sliding planes 14 has been subdivided into groups of compartments A, B, C and D, each one o~ them comprising, as shown in Fig. 1~ three compartments in immediate succession for each specific timber type. Further according to the inventive idea of the copending appl;cation, the stopping means 16 of the groups of compartments A to D have been arranged to be releasable and the compartments o~ the group in question to be emptied by one ~tarting command in accordance with a pre-set programme so that the compartments of the groups A to D open and eMpty with appropriate mutual timing.
In Fig. 2, the block C indicates schematically those programming and control means by which the action of the stopping means 16 and of the turning cylinder 17 is controlled. This same unit C may also include means governing the action of the turning cylinder 15 operatin~ the dropping means 13. In this connection no detailed explanation has been glven o~ this apparatus as there may be conventional electronic and/or pneumatic equipment.
-3-... . .
7~
As shown in Fig. 2, ~he dropping meana 13a h~s turned in to the path of the timber piece f 7 and as the upper conveyor 10 moves forward in the direction of the arrow A, the piece of sawn timber f moves onto the sliding plane 14C. Subsequently, t~e stopping means turns into the position indicated by 13b, by means of the turning cylinder 15. As shown in Fig. 2, the timber piece g is proceeding downwardly along the sliding plane 14B3. The timber piece g slides along the sliding plane 14B
until it encounters the -timber mat B~ re~iding on the sliding plane 14B3, which mat is kept stationary by the stopping.means 16a.
When the stopping means 16a is turned into the posîtion indicated by 16b, by action of the turning cylinder 17, the timber mat becomes free to move down onto the lo~er conveyor 20. This is illustr~ted in Fig. 2 by the timber mat Cl, wherèof the part h has slipped down to form a uniform and organized mat upon the lower conveyor 20, which simultaneously moves in the direction of the arrow B.
As shown in ~ig. 1, the sliding planes 14Al and 14A2 of the first group of compartments are still empty and the sliding plane l~A3 is in the process of being filled with the timber mat A3. In the group of compartments B the sliding planes 14Bl and 14B2 are 3.already filled to capacity and the sliding plane 14B3 is in the process of filling with the tîmber mat B3. The group of compartments C has been previously~illed and it is in the process of discharging in that from the ~irst sliding plane 14 of the group of compartments C the timber mat Cl is discharging on~o the lower conveyor 20. When the emptying of the sliding plane 14Cl has reached an appropriate stage, the stopping means ; 16 of the next sliding plane 14C2 i8 relea~ed with a timing e.g.
such that the first timber piece o~ the timber mat C2 will li.e immediately after the last timber piece in the timber ma~ Cl, on the lower conveyor 20. In equivalent manner the stopping means 16 of the sliding plane 14C3 i5 released as soon as the dlscharging of the sliding plane 14C2 has progressed to the proper stage.
As shown in Fig. 1, the sliding planes 14Dl, 14D2 and 14D3 of the group of compartments D are in the process of being filled.
As shown in The Figures, to the lower end of the sliding planes 14 there is pîvoted, at the point 19, freely upwardly turnable guiding flaps 18, along which, when these flaps are in the lowered position 18b, the timb~r pieces slide in controlled fashion down onto the lower conveyor 20. Since the guiding flaps 18 are freely turnable in an upward direction, the timber mat h is enabled to pass ~orwardly under them as the conveyor 20 is in motion. The upper position of the guiding flaps is indicat~d by the reference numeral 18a, The sliding planes 14 are composed of two or more arms, the top side of these arms being coated, mo~t appropriately with a slippyry plastic material so that the friction is reduced to be as low as poss~ble. The angle of inclination ~ of the sliding planes may then be made rather small.
' _5-
7~
As shown in Fig. 2, ~he dropping meana 13a h~s turned in to the path of the timber piece f 7 and as the upper conveyor 10 moves forward in the direction of the arrow A, the piece of sawn timber f moves onto the sliding plane 14C. Subsequently, t~e stopping means turns into the position indicated by 13b, by means of the turning cylinder 15. As shown in Fig. 2, the timber piece g is proceeding downwardly along the sliding plane 14B3. The timber piece g slides along the sliding plane 14B
until it encounters the -timber mat B~ re~iding on the sliding plane 14B3, which mat is kept stationary by the stopping.means 16a.
When the stopping means 16a is turned into the posîtion indicated by 16b, by action of the turning cylinder 17, the timber mat becomes free to move down onto the lo~er conveyor 20. This is illustr~ted in Fig. 2 by the timber mat Cl, wherèof the part h has slipped down to form a uniform and organized mat upon the lower conveyor 20, which simultaneously moves in the direction of the arrow B.
As shown in ~ig. 1, the sliding planes 14Al and 14A2 of the first group of compartments are still empty and the sliding plane l~A3 is in the process of being filled with the timber mat A3. In the group of compartments B the sliding planes 14Bl and 14B2 are 3.already filled to capacity and the sliding plane 14B3 is in the process of filling with the tîmber mat B3. The group of compartments C has been previously~illed and it is in the process of discharging in that from the ~irst sliding plane 14 of the group of compartments C the timber mat Cl is discharging on~o the lower conveyor 20. When the emptying of the sliding plane 14Cl has reached an appropriate stage, the stopping means ; 16 of the next sliding plane 14C2 i8 relea~ed with a timing e.g.
such that the first timber piece o~ the timber mat C2 will li.e immediately after the last timber piece in the timber ma~ Cl, on the lower conveyor 20. In equivalent manner the stopping means 16 of the sliding plane 14C3 i5 released as soon as the dlscharging of the sliding plane 14C2 has progressed to the proper stage.
As shown in Fig. 1, the sliding planes 14Dl, 14D2 and 14D3 of the group of compartments D are in the process of being filled.
As shown in The Figures, to the lower end of the sliding planes 14 there is pîvoted, at the point 19, freely upwardly turnable guiding flaps 18, along which, when these flaps are in the lowered position 18b, the timb~r pieces slide in controlled fashion down onto the lower conveyor 20. Since the guiding flaps 18 are freely turnable in an upward direction, the timber mat h is enabled to pass ~orwardly under them as the conveyor 20 is in motion. The upper position of the guiding flaps is indicat~d by the reference numeral 18a, The sliding planes 14 are composed of two or more arms, the top side of these arms being coated, mo~t appropriately with a slippyry plastic material so that the friction is reduced to be as low as poss~ble. The angle of inclination ~ of the sliding planes may then be made rather small.
' _5-
Claims (4)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An apparatus for the quality and/or length sorting of sawn or planed timber, comprising: an upper conveyor for transporting the timber, a plurality of consecutive sorting compartments for receiving and accumulating the timber from the upper conveyor, there being at least two consecutive sorting compartments for each timber type, a lower conveyor for receiv-ing timber from said compartments mainly under the action of gravity, said sorting compartments comprising inclined sliding planes adapted to accumulate said timber in a single-layer timber mat and having releasable strap means at their lower ends which, when released, allow timber to slide off said sliding planes onto said lower conveyor, means for releasing said strap means in each group of compartments in accordance with a pre-set program; and guiding flaps articulated to the lower ends of the inclined planes and extending said inclined planes towards the lower conveyor and along which said timber slides onto the lower conveyor in a controlled manner, said flaps being freely upwardly turnable out of the way of timber already on said lower conveyor.
2. An apparatus according to claim 1, further com-prising a timber package forming device adapted to receive timber directly from said lower conveyor.
3. An apparatus according to claim 1 or 2 in which at the upper end of the sliding planes dropping means are provided by means of which timber pieces selected on the basis of their type are transferred from supports on the upper conveyor onto the sliding planes.
4. An apparatus as claimed in claim 1 or 2 wherein said means for releasing said strap means in accordance with a pre-set program is arranged such that a first compartment closest to an output end of the lower conveyor in the group of compartments begins to empty and then in succession the next compartments.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI771420A FI57572C (en) | 1977-05-04 | 1977-05-04 | FOERFARANDE VID KVALITETS- OCH / ELLER LAENGDSSORTERING AV SAOGAT ELLER HYVLAT VIRKE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1077880A true CA1077880A (en) | 1980-05-20 |
Family
ID=8510821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA285,509A Expired CA1077880A (en) | 1977-05-04 | 1977-08-25 | Procedure in the quality and/or length sorting of sawn or planed timber |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1077880A (en) |
| FI (1) | FI57572C (en) |
| NO (1) | NO773191L (en) |
| SE (1) | SE7706117L (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958300A (en) * | 2020-07-23 | 2020-11-20 | 安徽省临泉县智创精机有限公司 | Cutting scrap cleaning and recycling device of machining center |
-
1977
- 1977-05-04 FI FI771420A patent/FI57572C/en not_active IP Right Cessation
- 1977-05-25 SE SE7706117A patent/SE7706117L/en unknown
- 1977-08-25 CA CA285,509A patent/CA1077880A/en not_active Expired
- 1977-09-16 NO NO773191A patent/NO773191L/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958300A (en) * | 2020-07-23 | 2020-11-20 | 安徽省临泉县智创精机有限公司 | Cutting scrap cleaning and recycling device of machining center |
Also Published As
| Publication number | Publication date |
|---|---|
| NO773191L (en) | 1978-11-07 |
| FI771420A (en) | 1978-11-05 |
| SE7706117L (en) | 1978-11-05 |
| FI57572C (en) | 1980-09-10 |
| FI57572B (en) | 1980-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4195737A (en) | Method and apparatus for handling elongated articles, such as pieces of timber | |
| US6536599B1 (en) | Method and system for portioning and orientating whole fish or other elongate, non-symetrical articles | |
| US5813195A (en) | Method and system for building up weighed-out portions of objects | |
| EP0099434B1 (en) | Sorting system | |
| US4506492A (en) | Apparatus and method for volume filling of storage boxes | |
| US4510886A (en) | Device for emptying a container filled with live poultry | |
| US3653506A (en) | Lumber bin sorter with vertically-positionable and tiltable bin floors | |
| US5261774A (en) | Device for loading and/or unloading the racks of a lyophilization tank | |
| NL8103567A (en) | DEVICE FOR PACKING FRUIT. | |
| US4405023A (en) | Apparatus for handling and weighing fruits and the like | |
| US6271485B1 (en) | Article alignment device | |
| CA1077880A (en) | Procedure in the quality and/or length sorting of sawn or planed timber | |
| US4565203A (en) | Apparatus for conveying cigarette-filled trays to a cigarette-packaging machine | |
| US4747743A (en) | Conveying apparatus for rod-like articles | |
| EP0534889B1 (en) | Automatic weighing machine for food products | |
| CA2064767A1 (en) | Tray for use in a sorting machine | |
| CA1084440A (en) | Procedure in the quality and/or length sorting of sawn timber | |
| US5626101A (en) | Apparatus for continuous high speed loading of chicks into handling trays | |
| US3864893A (en) | Automatic bobbin loader | |
| EP2769935A1 (en) | Picking device and picking method | |
| US3388784A (en) | Lumber receiving apparatus | |
| FI74223C (en) | Device for sorting and collecting piece goods. | |
| US3513995A (en) | Storage arrangement | |
| US4954036A (en) | Variable height silo charge system | |
| US3010578A (en) | Machine for grading articles by weight |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |