EP0977654B1 - Rabot a main - Google Patents

Rabot a main Download PDF

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Publication number
EP0977654B1
EP0977654B1 EP98928065A EP98928065A EP0977654B1 EP 0977654 B1 EP0977654 B1 EP 0977654B1 EP 98928065 A EP98928065 A EP 98928065A EP 98928065 A EP98928065 A EP 98928065A EP 0977654 B1 EP0977654 B1 EP 0977654B1
Authority
EP
European Patent Office
Prior art keywords
planer
cutter
longitudinal slot
cutting edge
edge
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
EP98928065A
Other languages
German (de)
English (en)
Other versions
EP0977654A1 (fr
Inventor
Adolf Zaiser
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0977654A1 publication Critical patent/EP0977654A1/fr
Application granted granted Critical
Publication of EP0977654B1 publication Critical patent/EP0977654B1/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
    • 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
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/12—Cutter blocks; Other rotary cutting tools for profile cutting
    • 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
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/02—Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks
    • B27G13/04—Securing the cutters by mechanical clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/003—Mechanical surface treatment

Definitions

  • the invention is based on a hand planer, one Planer shaft, a planer knife and a spacer the type of claim 1.
  • DE-OS 91 52 65 is a planing machine with a Known planer shaft, the elongated planer knife over extend the width of the plane shaft and by centrifugal Tensioning wedges can be tensioned, carried by the plane shaft become.
  • the well-known planer is only for clamping large-volume planer knife suitable.
  • the much narrower and thinner carbide mini-inserts, e.g. in the Standard size of 1.1 mm thick and 5.5 mm high, are in the well-known Planer can not be clamped in any defined position, because compared to the large-volume planer knives a have ten times smaller volume and mass.
  • the large volume Planer knife is economical because of its large dimensions not made of hard metal, because the cost of Tungsten carbide are very high, so that for the well-known planer only less stable, lower quality planer knives High-speed steel come into question.
  • EP 01 17 991 describes a planing machine with one Profiled existing planer shaft known in their Longitudinal groove a centrifugally operated clamping wedge is arranged.
  • This plane shaft is also not suitable for holding mini indexable inserts suitable, but only for conventional, about 3 mm strong and 11.5 mm high high-speed steel knife. These would also be uneconomical in the version as a carbide knife expensive.
  • FR 2 477 460 is a tensioning device on a planer shaft for large-volume rustic planer knives known with wavy cutting edge, alternatively also double-edged, can hold straight mini inserts.
  • a chip protection part is inserted in a longitudinal groove of the plane shaft, in the direction of rotation in front of the planer knife supports the flank of the groove and the planer knife against the on the flank of the groove.
  • the chip deflector carries on his the radially outward-facing side of the large-volume rustic cutting profile corresponding wave profile.
  • the corrugated chip protection part is for chip thickness limitation necessary because with rustic planer knives the maximum chip strength is significantly larger than with straight planer knives. The is because that also with the wave valleys of the cutting edge produced the thinnest chips for high surface quality must have sufficient strength. Therefore the minimum is correct Chip thickness for rustic knives with minimal chip thickness straighter Planer knives match, with the maximum span thickness being around to let the rustic structure become optically effective the minimum chip thickness by about one millimeter must be stronger.
  • planing machine according to the invention the planing shaft, the planing knife and the spacer bar with the features of the claim 1 have the advantage that in the same way as mini indexable inserts in their standard clamping devices Rustic planer knife according to the invention are exciting, so that the effort to manufacture special equipment for rustic knives omitted.
  • a chip protection part to limit the chip thickness is in one easy to produce further longitudinal groove of the plane shaft without Weight increase can be used as a plastic bar.
  • planer knife only has an effective cutting edge Troughs and crests of waves carries, the troughs lie on a common first straight line opposite their back groove has the same parallel distance as just now Standard cutting of conventional mini indexable inserts opposite the back groove and that the wave crests on a common second Straight lines are 0.5 to 1.5 mm above the first straight line runs, and that the planer knife on that of the first Cut the opposite side instead of a second Cut a flattened contact edge to support the radial one Stop of the plane shaft carries, the parallel distance the contact edge against the back groove by 0.5 to 1.5 mm is smaller than the parallel distance between the back groove and the opposite wave valleys, is a special one Rustic knife that can be easily made from the mini indexable inserts created, which is also particularly precisely opposite the plane shaft can be positioned radially, with clamping-related Changes in location are excluded. This will the hand planer according to the invention more powerful, lighter and less expensive to manufacture. This advantage is too given that the planer knife with wavy Cut
  • planing machine or the planing shaft becomes lighter and can be made easier.
  • the spacer bar is secured against losing can be arranged on the plane shaft.
  • Planing shafts result from the plastic spacer a weight saving because of the further longitudinal slot the plane shaft mass is reduced more than the spacer bar the total mass of the plane shaft increases.
  • the outer edge of the spacer bar is wavy and open a 1 mm smaller flight circle diameter than that Cutting edge of the planing knife is its function as a chip thickness limiter for sure.
  • the fact that the outer edge with the Straight edge of the spacer bar opposite the shaft contour is an alternative to the chip thickness limitation adjustable, flush with the outer contour of the plane shaft running slot closure created. Besides, is the spacer through the side shoulder also against axial displacement or loss secured from the longitudinal slot.
  • FIG. 1 shows a side view of the invention Planes
  • Figure 2 is a plan view of the back of an inventive Rustic planer knife
  • Figure 3 a spatial View of a planer shaft according to the invention with a rustic planer knife
  • Figure 4 is a side view of the plane shaft according to Figure 3
  • Figure 5 is a spacer bar for chip thickness limitation for insertion into the plane shaft according to the invention.
  • FIG. 1 of a hand planer 10 consists of a machine housing 12 with a motor housing 14 and a handle 16.
  • the handle 16 carries an electrical switch 18.
  • Planer shaft 20 In the machine housing 12 is about its axis 19 in the direction of Direction of rotation arrow 11 rotatably mounted a plane shaft 20. This carries two planer knives 21, each with a wavy one (Fig. 2) cutting edge 22, in front of which in the outer contour 23 Planer shaft 20 flutes 25 are formed.
  • the knives 21 When rotating the plane shaft 20, the knives 21 also determine their cutting 22 a dash-dotted flight circle 24, the sole 26 of the planer 10th protrudes so that the cutting edges 22 are flush with one the sole 26 extending workpiece 27 can engage.
  • An opening 28 arranged in the sole 26 for passage the cutting edge 22 is through a pendulum guard 30 lockable. This closes the opening 28 automatically, as soon as the hand planer 10 is lifted off the workpiece 27 becomes. This increases the risk of injury to the operator reduced on the rotating blades 22.
  • the machine housing 12 has on both sides of the plane shaft 20 in the area of the sole 26 lateral recesses 32 through which the planing knives 21 Removable from the plane shaft 20 or in this for tensioning can be used.
  • Centrifugal wedges 56 become the hollow knives 21 when starting up of the planer 10 automatically tensioned reliably.
  • a back view of the detail shown in FIG Planer knife 21 shows its wavy contoured Cut 22 with wave crests 38 and wave troughs 39 Wave crests 38 lie on a common straight line 0 and the troughs 39 on a common straight line U.
  • a back groove runs in the middle of the back 34 along its length 35, which overlaps a longitudinal rib 37 (FIG. 4) of the Planer shaft 20 is used.
  • a center line C of the back groove 35 is the reference line for the distance dimensions a, b to the common Straight line U of the troughs 39 or to the contact edge 36 on the the cutting edge 22 opposite side.
  • the plane shaft 20 shown spatially in FIG. 3 has one essentially circular outer contour 23.
  • the plane shaft 20 forms a hollow profile with each to reduce weight two symmetrical, opposite, axially parallel Recesses 42, 43, 44, 45.
  • Recesses 44, 45 form through their special contours, which are attached to each Place opens radially outwards in a longitudinal slot 46, each a transition via a leaf spring 54 into a centrifugal wedge 56 Part of the plane shaft 20.
  • Sit in the longitudinal slots 46 the planing knives on two radially opposite sides 21, which are designed as thin mini indexable inserts, the cutting edge 22, the back groove 35 and the contact edge 36 is clearly recognizable.
  • the planer knives 21 are in the longitudinal slot 46 of the planer shaft 20 stretched between unspecified groove flanks.
  • the longitudinal slot 46 extends radially from the outer contour 23. going inwards over a into the back groove 35 of the planing knife 21 engaging longitudinal rib 37 (Fig. 4) in a straight projecting, right-angled transverse step 50 over. After that the longitudinal slot 46 widens to the recess 44 out. This is contoured so that an outer contour 23rd thin area of the plane shaft 20 forms a leaf spring 54, which thickens into a centrifugal wedge 56.
  • the centrifugal wedge 56 engages around the projection with a catch groove 58 50 and forms with its radially leading straight Side the left flank of the longitudinal slot 46, the radial merges into the chip groove 25 on the outside.
  • This flank is under arranged at an angle such that in the clamping position, when the centrifugal wedge 56 rests on the flat side the planer knife 21 no self-locking between the centrifugal wedge 56 and the planer knife 21 builds. This returns the Centrifugal wedge 56 back to its release position because no centrifugal force acts as soon as the plane shaft 20 stops. This makes it easier to change the planing knife.
  • the catch groove 58 encompassing the transverse step 50 delimits the radial one Stroke of the centrifugal wedge 56 both inwards and outwards outside in order to avoid overextension of the leaf spring 54.
  • the bias of the leaf spring 54 is chosen so that the planer knife 21 even when the plane shaft 20 is at a standstill not unintentionally in its axial position in relation to the longitudinal slot 46 can change or get lost.
  • the centrifugal wedge 56 can be pivoted radially inwards and with that the centrifugal wedge 56 has taken its release position, in which the planer knife 21 by vertical positions of the Planer shaft 20 or planer 10 by itself from the longitudinal slot 46 slide out.
  • FIG. 4 shows a side view of the plane shaft 20 Axis 19 of the plane shaft 20 which carries the plane shaft body.
  • planing shaft 20 carries the planing knife 21 with the corrugated edge 22.
  • This planer knife 21 also known as a rustic planer knife, has the same outer dimensions as mini inserts with straight Cutting and is easily interchangeable with one.
  • Planer knife 21 with its flattened contact edge 36 radially inside on the protruding perpendicular to the planer knife 21 Transverse level 50 supports. This makes it particularly safe radial positioning of the cutting edge 22 and thus an exact Setting the flight circle 24 possible.
  • the longitudinal rib 37 only serves to engage the back of the planer knife 21, as is customary with mini indexable inserts, to avoid its unwanted To prevent leakage from the longitudinal slot 46.
  • a double-edged Mini insert in the planer shaft 20 comes their radially inner cutting edge for contact with the transverse step 50, which makes positioning particularly precise the radially outer cutting edge is secured.
  • the direction of rotation arrow 52 is in the viewing direction each left of the planer knife 21 a further longitudinal slot 48 with a cruciform shape that is open radially to the outside Arranged cross section in which a spacer bar 60 against Losing is securely insertable.
  • the spacer bar 60 On their radially outer Edge 62, the spacer bar 60 is wavy on its radially inner edge 64 just contoured.
  • the spacer bar 60 carries a shoulder 61 each positive engagement in the cross-shaped longitudinal slot 48.
  • the spacer bar 60 can be turned over by its previously external, wavy side radially inwards lies, and the straight edge 64 is flush with the Outer contour 23 of the plane shaft 20 closes.
  • Figure 5 shows the spacer bar 60 as a detail with a view to the long side.
  • the corrugated when operating with the rustic planer knife 21 radially outer edge 62 clearly recognizable, as well as the shoulders 61.
  • the in the viewing direction left side of the spacer bar 60 is T-shaped widened end piece 66 formed when inserting in the further longitudinal slot 48 another axial Prevents displacement of the spacer bar 60 and thus its Sets the axial position in relation to the plane shaft 20.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)

Claims (9)

  1. Rabot à main motorisé (10) comprenant un boítier de rabot (12) dans lequel tourne, dans un sens défini, un arbre de rabot (20) présentant au moins une fente longitudinale (46) dans laquelle peut être inserré, de manière amovible, un couteau de rabot (21) plat constitué par une miniplaquette réversible normalisée à double tranchant, présentant au moins un tranchant (22) ainsi qu'une rainure dorsale (35) parallèle au tranchant (22), et qui pour éviter un dégagement involontaire de la plaquette de l'arbre de rabot (20) est engagée sur une nervure de maintien (37) ou analogue prévue sur un côté de la fente longitudinale (46), un côté de la fente longitudinale (46) portant au moins une butée (50) sur laquelle le couteau de rabot (21) peut s'appuyer radialement afin que son tranchant normalisé (22) soit fixé sur une trajectoire circulaire (24) définie à l'avance,
    caractérisé en ce que
    le rabot, observé selon le sens de rotation de l'arbre de rabot (20) présente en amont de la fente longitudinale (46) et parallèlement à celle-ci, une seconde fente longitudinale (48) pour accueillir une baguette d'espacement (60) destinée à limiter l'épaisseur des copeaux, et dont la section a la forme d'une croix avec au moins un évidement d'épaulement (63).
  2. Rabot selon la revendication 1,
    caractérisé en ce que
    la baguette d'espacement (60) est en matière plastique et présente une section en forme de croix pour être engagée de manière imperdable dans la seconde fente longitudinale (48).
  3. Rabot selon la revendication 1 ou 2,
    caractérisé en ce qu'
    un bord externe (62) de la baguette d'espacement (60) a un contour ondulé qui, lorsque la baguette est montée dans la seconde fente longitudinale (48), dépasse le contour externe (23) de l'arbre de rabot (20), et décrit une trajectoire circulaire dont le diamètre est inférieur de 1 mm à celui de la trajectoire décrite par le tranchant (22) du couteau de rabot (21).
  4. Rabot selon la revendication 3,
    caractérisé en ce qu'
    un bord (64) de la baguette d'espacement (60) situé à l'opposé du bord externe (62) à contour ondulé, présente un contour droit et, quand on l'introduit radialement en étant dirigé vers l'extérieur, dans la seconde fente longitudinale (48), ce bord se trouve à fleur du contour externe (23) de l'arbre de rabot.
  5. Rabot selon la revendication 4,
    caractérisé en ce que
    la baguette d'espacement (60) porte au moins un épaulement latéral (66) pour la mettre à l'abri d'un coulissement axial ou d'une perte résultant de sa sortie de la fente longitudinale (48).
  6. Rabot selon la revendication 1,
    caractérisé en ce que
    le couteau de rabot (21) n'a qu'un tranchant (22), qui présente une forme ondulée telle que les creux des ondulations (39) sont tous alignés sur une première droite (u) qui se trouve par rapport à la rainure dorsale (35), à la même distance qu'un tranchant d'une miniplaquette réversible normalisée, tandis que les sommets des ondulations (38) sont tous alignés sur une seconde droite (o) située radialement 0,5 à 1,5 mm au-dessus de la première droite (u), le couteau de rabot (21) portant, du côté opposé au tranchant (22), au lieu d'un autre tranchant un bord d'appui (36), aplati par rapport au dos, rectangulaire en particulier, pour venir s'appliquer sur la butée radiale (50) de l'arbre de rabot (20).
  7. Rabot selon la revendication 6,
    caractérisé en ce que
    la distance (a) entre le bord d'appui (36) et la rainure dorsale (35) qui lui est parallèle, est inférieure de 0,5 à 1,5 mm à la distance (b) entre la rainure dorsale (35) et la ligne qui lui est parallèle, passant par le creux des ondulations (39).
  8. Rabot selon la revendication 6 ou 7,
    caractérisé en ce que
    la butée (50) fait saillie perpendiculairement sur un côté de la fente longitudinale (46) et le bord d'appui (36) du couteau de rabot (21) est essentiellement parallèle à la butée (50).
  9. Rabot selon la revendication 6,
    caractérisé en ce que
    le couteau de rabot (21) a une épaisseur de 1,1 mm et une hauteur de 5,5 mm, il est sensiblement aussi long que l'arbre de rabot est large, et il est fait de métal durci ou d'un acier rapide à haute performance.
EP98928065A 1997-04-26 1998-03-25 Rabot a main Expired - Lifetime EP0977654B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19717706 1997-04-26
DE19717706A DE19717706A1 (de) 1997-04-26 1997-04-26 Handhobelmaschine
PCT/DE1998/000869 WO1998048985A1 (fr) 1997-04-26 1998-03-25 Rabot a main

Publications (2)

Publication Number Publication Date
EP0977654A1 EP0977654A1 (fr) 2000-02-09
EP0977654B1 true EP0977654B1 (fr) 2002-03-13

Family

ID=7827856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98928065A Expired - Lifetime EP0977654B1 (fr) 1997-04-26 1998-03-25 Rabot a main

Country Status (6)

Country Link
US (1) US6249982B1 (fr)
EP (1) EP0977654B1 (fr)
JP (1) JP2002508716A (fr)
CN (1) CN1089053C (fr)
DE (2) DE19717706A1 (fr)
WO (1) WO1998048985A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856278A1 (de) * 1998-12-07 2000-06-08 Bosch Gmbh Robert Hobelmesser für Hobelmaschinen, insbesondere Handhobelmaschinen für die Holzbearbeitung
GB9903677D0 (en) * 1999-02-18 1999-04-14 Machell & Sons Ltd W Method and apparatus for wood board manufacture
EP1927444B1 (fr) * 2006-12-01 2012-08-15 Kälin & Co. AG Lame de rabot
GB0722107D0 (en) * 2007-11-10 2007-12-19 Exakt Prec Tools Ltd Improvements in adn relating to power tools
US8230607B2 (en) 2008-05-09 2012-07-31 Milwaukee Electric Tool Corporation Keyless blade clamp for a power tool
JP2012228842A (ja) * 2011-04-27 2012-11-22 Kanefusa Corp 切削用刃物及び回転切削工具
WO2014148947A1 (fr) * 2013-03-21 2014-09-25 Filimonov Boris Nikolaevich Rabot électrique et lame pour rabot électrique
DK3064369T3 (da) * 2013-11-01 2020-07-13 Kanefusa Knife & Saw Fremgangsmåde til at forarbejde overflade af arbejdsstykke ved anvendelse af roterende skæreværktøj
DE102014212160A1 (de) * 2014-06-25 2015-12-31 Robert Bosch Gmbh Tragbare Werkzeugmaschine
DE102014212158A1 (de) * 2014-06-25 2015-12-31 Robert Bosch Gmbh Tragbare Werkzeugmaschine
JP6504440B2 (ja) * 2015-02-06 2019-04-24 舛田　高吉 塗膜剥離工具用替え刃の使用方法
CN104589436B (zh) * 2015-02-09 2016-10-12 金湖县唐港秦庄木材加工厂 托盘底脚开槽机专用平齿圆角刀具
CN107639704B (zh) * 2017-10-24 2023-07-21 杭州一楠五金工具有限公司 复合木板切割机刀片及切割方法
KR102158104B1 (ko) * 2019-02-21 2020-09-21 신성델타테크 주식회사 합성수지 제품의 후처리공구
KR102158107B1 (ko) * 2019-02-21 2020-09-21 신성델타테크 주식회사 사출물의 후처리장치
USD959949S1 (en) * 2021-07-14 2022-08-09 Jiangsu Oubo Information Technology Co., Ltd. Chamfer plane

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915265C (de) 1951-09-29 1954-07-19 Paul Kirsten Dr Ing Messerwelle fuer Holzbearbeitungsmaschinen mit keilartig wirkenden Druckleisten
DE1190634B (de) * 1959-06-15 1965-04-08 Ludwin Oppold Fraeskopf
DE2115226B1 (fr) * 1971-03-30 1972-11-16
DE2502514A1 (de) * 1975-01-22 1976-07-29 Ludwin Oppold Messerkopf zum bearbeiten von holz und kunststoff
DE3102065C2 (de) * 1980-03-08 1986-01-09 Eugen Lutz GmbH u. Co Maschinenfabrik, 7130 Mühlacker Messerhalterung für Messerwellen oder Messerköpfe
DE3043146A1 (de) * 1980-11-15 1982-07-08 Thomas-Werkzeuge, 5600 Wuppertal Messerkopf
CH650431A5 (fr) 1983-02-09 1985-07-31 Samvaz Sa Outil de coupe a couteaux amovibles.
DE3327026A1 (de) * 1983-07-27 1985-02-07 Heinrich 6127 Breuberg Wascheroh Fraesmesserkopf fuer die holzbearbeitung
DE3438341A1 (de) * 1984-10-19 1986-04-30 Hartwig 3538 Marsberg Heine Klemmsystem fuer umlaufende schneidwerkzeuge
FR2686819B1 (fr) * 1992-02-03 1996-04-12 Sicerm Dispositif de securite pour fraise a couteaux rapportes.
DE19536559A1 (de) * 1995-10-02 1997-04-03 Bosch Gmbh Robert Hobelmaschine, insbesondere Handhobelmaschine
DE29608603U1 (de) * 1996-05-11 1996-08-01 Romi-Technik Werkzeug- und Maschinenhandels GmbH, 77933 Lahr Messerkopf

Also Published As

Publication number Publication date
US6249982B1 (en) 2001-06-26
DE19717706A1 (de) 1998-10-29
DE59803341D1 (en) 2002-04-18
CN1089053C (zh) 2002-08-14
EP0977654A1 (fr) 2000-02-09
JP2002508716A (ja) 2002-03-19
CN1253520A (zh) 2000-05-17
WO1998048985A1 (fr) 1998-11-05

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