EP1541306B1 - Système de sécurité pour tables de scie à chaîne - Google Patents

Système de sécurité pour tables de scie à chaîne Download PDF

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Publication number
EP1541306B1
EP1541306B1 EP04400068A EP04400068A EP1541306B1 EP 1541306 B1 EP1541306 B1 EP 1541306B1 EP 04400068 A EP04400068 A EP 04400068A EP 04400068 A EP04400068 A EP 04400068A EP 1541306 B1 EP1541306 B1 EP 1541306B1
Authority
EP
European Patent Office
Prior art keywords
chain
cutting
saw
safety system
cutting chain
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 - Lifetime
Application number
EP04400068A
Other languages
German (de)
English (en)
Other versions
EP1541306A1 (fr
Inventor
Eberhard Winter
Stefan Steinbach
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.)
Wgm Winter Geratebau & Metallverarbeitung GmbH
Original Assignee
Wgm Winter Geratebau & Metallverarbeitung GmbH
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 Wgm Winter Geratebau & Metallverarbeitung GmbH filed Critical Wgm Winter Geratebau & Metallverarbeitung GmbH
Publication of EP1541306A1 publication Critical patent/EP1541306A1/fr
Application granted granted Critical
Publication of EP1541306B1 publication Critical patent/EP1541306B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/14—Arrangements for stretching the chain saw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0041—Saw benches or saw bucks
    • B27B17/0066—Saw benches or saw bucks with the saw mounted upright
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/003—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for chain saws

Definitions

  • the invention relates to a safety system on table chain saws, which is designed so that sufficient protection is ensured in all profiles that are to be separated. Furthermore, certain components of the safety system to contribute to the fact that the chain sword works when separating large workpieces and thus heavy load stable. Suggestions are made for extracting the sawdust so that the safety system is not affected by soiling.
  • a comprehensive intervention protection on the table chain saw proposed, it is an upper (front) and a lower (front) Eingreifterrorism provided.
  • the cutting chain above and below the round wood must be covered.
  • the workpiece displaces the respective Eingreifschutz.
  • the respective Eingreifschutz moves in the cutting direction before the chain parallel to this up or down.
  • the chainsaw is switched on and the separation process begins.
  • the upper and lower engagement guard the workpiece is enclosed during the separation process so that the cutting chain is covered in any position.
  • a rear intervention protection is provided in the upper area of the chain sword.
  • the chain sword is attached to the rear entrance guard.
  • the chain sword is mounted vertically slidably and held by an adjustable spring to tension. When the spring is relaxed, you can easily change the cutting chain without tools.
  • the sawdust produced during the sawing process is conveyed by the saw chain under the saw table. Since the cutting chain promotes a significant portion of sawdust on the back on the saw table due to their structure, the sawing work is significantly affected.
  • the cooling air of the drive motor is directed so that the sawdust be removed from the chain area. For more details, this is done in the embodiment.
  • the reference symbols used mean: 1 - Chain Sword 11 - cutting chain 2 - upper intervention protection 12 - riving knife 3 - lower intervention protection 13 - rail 4 - Rear intervention protection 14 - roles 5 - workpiece 15 - Fastening unit for standard chainsaw 6 - drive motor 7 - elastic tensioning device 16 - micro button 8 - spring 17 - Filter unit with baffles 9 - adjusting screw 18 - Filter 10 - threaded rod 19 - saw table
  • the upper Eingreifschutz consists of a triangular bracket which is vertically movably attached to the rail 13, see also Figure 5.
  • the rail 13th is firmly connected to the rear Eingreifschutz 4 and this in turn with the splitting wedge 12.
  • the splitting wedge 12 is made of high-strength material and is mounted under the saw table 19.
  • the chain sword 1 above the saw table 19 has the required stability, the chain sword 1 is attached near the upper sprocket on the rear Eingreiftik 4. This solves the problem that even when large workpieces are being severed, the stability of the chain blade 1 is given or the chain sword can not be damaged.
  • the lower engagement guard 3 is spring-mounted and has a bevel in the direction of the workpiece 5.
  • the upper engagement guard 2 and the lower engagement guard 3 are displaced from the home position with the workpiece 5 - as can be seen from FIG. 3 - and the upper and lower engagement guard 2, 3 enclose the workpiece 5 during sawing so that the cutting chain 11 is covered in each position.
  • the chain bar 1 is tilted by a few degrees forward with the chain 11 stationary (counter to the workpiece 5). With the pressure of the workpiece 5 on the cutting chain 11, the chain sword 1 moves in a rectangular position compared to the saw table 19. The movement of the chain sword 1 triggers a micro-probe 16 under the saw table 19, whereby the electromagnetic clutch engages.
  • the upper engagement protection has viewing slits.
  • Chips and dust can generally affect the function of technical equipment. Especially with regard to the fact that in the table chain saw due to the structure of the cutting chain 11, a significant proportion of sawdust is conveyed back to the saw table 19 on the back, proposals for dust and chip removal are required.
  • the cooling air for the engine 6 removes the sawdust from the chain area.
  • baffles are used. A more sophisticated solution is shown for example in FIG. Cooling air (see arrows) passes through the saw slot and also below the saw table 19 into a filter unit 17 where chips or dust can be deposited. Above the filter 18, the purified air exits and fulfills its task as cooling air for the engine. 6

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Ladders (AREA)

Claims (4)

  1. Système de sécurité pour tables de scie à chaîne constitué dans le sens de la coupe vu de la chaîne de coupe (11) d'un dispositif de protection supérieur (2) glissant verticalement parallèlement à la chaîne de coupe (11) et de plus d'un dispositif de protection arrière (4) qui recouvre le pignon supérieur de la scie (1), le dispositif de protection supérieur (2) étant disposé verticalement et de manière coulissante sur l'avant de la protection arrière (4), caractérisé par le fait qu'un dispositif de protection inférieur (3) est fixé parallèlement à la chaîne de coupe (11), faisant ressort sur la table de scie (19), au repos de la scie à chaîne les dispositifs de protection supérieur et inférieur (2,3) recouvrent la chaîne de coupe (11) et au contact d'une pièce à scier (5) avec la chaîne de coupe (11) et pendant le sciage les dispositifs de protection supérieur et inférieur (2,3) assurent un recouvrement de la chaîne de coupe (11) dans chaque phase de passage de la pièce à scier par un déplacement vertical et d'autre part le dispositif de protection arrière (4) étant relié à un couteau diviseur (12) fixé, quant à lui, au-dessous de la table de scie (19).
  2. Système de sécurité pour tables de scie à chaîne selon la revendication 1, caractérisé par le fait qu'au-dessous de la table de scie (19) sont disposées des chicanes ou encore une unité filtrante (17) avec des chicanes de telle manière qu'avec elles l'air de refroidissement du moteur (6) permette d'évacuer les copeaux de sciure de la zone de la chaîne de coupe.
  3. Système de sécurité pour tables de scie à chaîne selon la revendication 1, caractérisé par le fait que le pignon de la de la chaîne (1) fixé au-dessous de la table de scie (19) peut glisser verticalement, que sur l'extrémité inférieure du pignon de la chaîne (1) est fixée une barre filetée (10) avec une vis de réglage (9) qui agissant contre le ressort (8) maintient la chaîne de coupe (11) sous tension.
  4. Système de sécurité pour tables de scie à chaîne selon la revendication 1, caractérisé par le fait que la table de scie à chaîne est exécutée en construction modulaire, selon laquelle une scie à chaîne usuelle est mise en place sur une table de scie à système de sécurité pré-monté.
EP04400068A 2003-12-09 2004-12-08 Système de sécurité pour tables de scie à chaîne Expired - Lifetime EP1541306B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10357393 2003-12-09
DE10357393A DE10357393A1 (de) 2003-12-09 2003-12-09 Sicherheitssystem an Tischkettensägen

Publications (2)

Publication Number Publication Date
EP1541306A1 EP1541306A1 (fr) 2005-06-15
EP1541306B1 true EP1541306B1 (fr) 2006-08-02

Family

ID=34485266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04400068A Expired - Lifetime EP1541306B1 (fr) 2003-12-09 2004-12-08 Système de sécurité pour tables de scie à chaîne

Country Status (3)

Country Link
EP (1) EP1541306B1 (fr)
AT (1) ATE334788T1 (fr)
DE (2) DE10357393A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005056482B3 (de) * 2005-11-16 2007-01-11 WGM Winter Gerätebau und Metallverarbeitung GmbH Bedienerschutz an Tischkettensägen
DE102006048649A1 (de) * 2006-10-14 2008-04-17 WGM Winter Gerätebau und Metallverarbeitung GmbH Modifizierter Bedienerschutz an Tischkettensägen
CN104385381B (zh) * 2014-11-21 2016-08-24 刘爱兵 一种可任意更换锯片的圆木推台锯

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939769A1 (de) * 1999-08-21 2001-02-22 Stefan Steinbach Tischkettensäge

Also Published As

Publication number Publication date
EP1541306A1 (fr) 2005-06-15
DE502004001091D1 (de) 2006-09-14
ATE334788T1 (de) 2006-08-15
DE10357393A1 (de) 2005-07-07

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