EP0177504A1 - Machine a fabriquer des copeaux - Google Patents

Machine a fabriquer des copeaux

Info

Publication number
EP0177504A1
EP0177504A1 EP19840902553 EP84902553A EP0177504A1 EP 0177504 A1 EP0177504 A1 EP 0177504A1 EP 19840902553 EP19840902553 EP 19840902553 EP 84902553 A EP84902553 A EP 84902553A EP 0177504 A1 EP0177504 A1 EP 0177504A1
Authority
EP
European Patent Office
Prior art keywords
chipper
disc
cutter
infeed
cutting
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Withdrawn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
EP19840902553
Other languages
German (de)
English (en)
Inventor
Kresten Augsburg
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.)
CONSTRUCTORS AB
Original Assignee
CONSTRUCTORS 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 CONSTRUCTORS AB filed Critical CONSTRUCTORS AB
Publication of EP0177504A1 publication Critical patent/EP0177504A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like

Definitions

  • the present invention relates to a chipper machine, . particularly a mobile chipper machine for whole tree chipping, especially for chipping of first thinning stands, where it is desired to directly cut into chips one row of the regeneration stand.
  • the present invention aims at providing a chipper machine which is less space demanding and has a low energy consumption, and which is easily adjustable in adaptation to the conditions in each particular case.
  • Figure 1 is a side view of a chipper according to the invention, mounted on the front end of a tractor;
  • Figure 2 is a side view of the chipper, shown in an enlarged scale.
  • a mobile chipper which is mounted on the front end of a tractor 11 which is coupled to a transport carriage with a storage hopper 12 to which the chips is fed through a channel 13.
  • the chipper is design ⁇ ed for cutting up whole trees 14 into chips, with the trees normally being fed into the chipper with the root end foremost and the top sliding along the ground as is shown in figure 1.
  • the chipper has a housing 15 wherein a rotary chipper disc 16 is journalled.
  • the rotary shaft 17 of the chipper 5 disc 16 is journalled with a certain inclination to the horizontal plane, in the example shown with an angle of inclination of 40°, but this angle may vary, as will be disclosed in more details below.
  • the chipper disc 16 is equipped with chipper knives 18 "of any commercially
  • the disc is preferably with throughgoing openings for the chips, which is blown out through the channel 13. Adjacent the infeed opening of the chipper which is disposed on the "nearest" side of the rotary shaft 17 with the chipper disc 16 running clockwise
  • the chipper is provided with a counter knife 19 which has an angle of inclination of 10 to the horizontal in the illustrated position of the cutter to form an angle of inclination of 40 to the horizontal.
  • a counter knife 19 which has an angle of inclination of 10 to the horizontal in the illustrated position of the cutter to form an angle of inclination of 40 to the horizontal.
  • the uppermost portion of the infeed chute is fully open to permit the trees to be easily placed into the infeed chute by means of a crane, not shown.
  • a crane not shown.
  • the cutting angle and the mounting angles of the chipper knives are such that the chipper knives at the chipping pulls the trees forwardly and lupwardly for which reason the feeding takes place very easily without need for any special feeding mechanism on the chipper or in connection therewith.
  • the chipper is designed for suspension from a three- point suspension by means of the struts 23, of which two are shown in figure 1.
  • the correct angle of inclination for the infeeding (above supposed to be 10 ) may be adjusted by means of the struts 23 in such a manner that the stand in which the chipping is carried out will naturally be parallel to the counter knife 19 when the trees are placed in the infeed opening with the top ends sliding along the ground.
  • the said angle is dependent on the.mounting height of the chipper above the ground level and the length as well as the diameter of the trees. In some case splints cannot be avoided at the chip ⁇ ping.
  • the above described chipper has the following advantages:
  • the infeed mechanism comprising the chipper disc 16 itself, the infeed roller 22 and the infeed chute 20 "holds” the trees and controls the movements thereof entirely up to the counter knife 19.
  • the chipper knives 18 tend to lift the wood from the lowermost portionf 20 of the infeed chute which means that the resistance to the feeding of the wood becomes very low.
  • the chipper as a whole may be built very short which means that the center of gravity will be disposed very close to the supporting vehicle which is advantageous to the stability of the whole equipage at the same time as the operator gets a very good sight over the infeeding.
  • the chips is thrown out in the normally desired direction in a natural way, and furthermore along one side of the equipage, for which reason e.g. a mounting of a crane on the tractor cabin does not mean an obstacle.
  • Due to the oblique position of the cutter disc 16 with the feed direction of the wood splints may be returned to the infeed chute at the counter knife 19 without risk for these splints to block the feeding mechanism or being thrown out therefrom.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Abstract

Machine à fabriquer des copeaux du type mobile, suspendue à un tracteur ou un véhicule similaire et entraînée de préférence à partir de celui-ci grâce à une prise de force, cette machine possédant des mécanismes d'avancement (20, 22) et un disque de coupe rotatif (16) avec des lames de coupe. Le disque de coupe (16) est disposé grâce à son arbre pivotant (17) selon un angle fortement incliné par rapport à l'horizontale, de préférence environ 45o, et les mécanismes d'avancement (20, 22) sont conçus pour alimenter le bois longitudinalement contre le côté du disque de coupe (16) dont la face est dirigée vers le haut, et sur le côté de l'arbre pivotant où les lames de coupe (18) se déplacent vers le haut, alors que la contre-lame (19) qui est conçue pour coopérer avec les lames de coupe (18) est disposée à proximité de la surface supérieure du disque de coupe (16).
EP19840902553 1983-06-21 1984-06-20 Machine a fabriquer des copeaux Withdrawn EP0177504A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8303567A SE8303567L (sv) 1983-06-21 1983-06-21 Flishugg
SE8303567 1983-06-21

Publications (1)

Publication Number Publication Date
EP0177504A1 true EP0177504A1 (fr) 1986-04-16

Family

ID=20351711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840902553 Withdrawn EP0177504A1 (fr) 1983-06-21 1984-06-20 Machine a fabriquer des copeaux

Country Status (3)

Country Link
EP (1) EP0177504A1 (fr)
SE (1) SE8303567L (fr)
WO (1) WO1985000134A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652632A1 (fr) * 1989-10-02 1991-04-05 Lefort Nicole Ensemble de liaison bec/melangeur pour robinetterie.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE398211B (sv) * 1974-09-06 1977-12-12 Jonsson Karl Erik Arnold Flishuggmaskin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8500134A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652632A1 (fr) * 1989-10-02 1991-04-05 Lefort Nicole Ensemble de liaison bec/melangeur pour robinetterie.

Also Published As

Publication number Publication date
SE8303567L (sv) 1984-12-22
SE8303567D0 (sv) 1983-06-21
WO1985000134A1 (fr) 1985-01-17

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19860225

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Inventor name: AUGSBURG, KRESTEN