EP1570965B1 - Elément de ressort pour une table de fraisage - Google Patents

Elément de ressort pour une table de fraisage Download PDF

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Publication number
EP1570965B1
EP1570965B1 EP05101604A EP05101604A EP1570965B1 EP 1570965 B1 EP1570965 B1 EP 1570965B1 EP 05101604 A EP05101604 A EP 05101604A EP 05101604 A EP05101604 A EP 05101604A EP 1570965 B1 EP1570965 B1 EP 1570965B1
Authority
EP
European Patent Office
Prior art keywords
spring element
spring
element according
semi
supporting body
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.)
Active
Application number
EP05101604A
Other languages
German (de)
English (en)
Other versions
EP1570965A3 (fr
EP1570965A2 (fr
Inventor
Uwe Radermacher
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.)
Wolfcraft GmbH
Original Assignee
Wolfcraft 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 Wolfcraft GmbH filed Critical Wolfcraft GmbH
Publication of EP1570965A2 publication Critical patent/EP1570965A2/fr
Publication of EP1570965A3 publication Critical patent/EP1570965A3/fr
Application granted granted Critical
Publication of EP1570965B1 publication Critical patent/EP1570965B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/02—Machines with table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/02—Machines with table
    • B27C5/06—Arrangements for clamping or feeding work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/10—Portable hand-operated wood-milling machines; Routers

Definitions

  • the invention relates to a spring element for a milling table according to the preamble of claim 1.
  • Such a spring element is from the US 4,132,256 previously known.
  • the spring element described therein consists of a leaf spring. This is bent to a bay. The two free ends of the leaf spring lie flat against each other and are screwed to a spring carrier of the milling table. The loop-shaped free end can come against a workpiece to apply this against a stop or the like.
  • the spring element here has a pressure shoe in trapezoidal shape.
  • the US 5,289,861 describes a spring element in the form of a slider with a hammer head-shaped projection which is spring-loaded in a carrier.
  • the invention has for its object to further develop a generic spring element nutzsvorteilhaft.
  • the spring element has a circumferentially closed leaf spring.
  • This leaf spring has a substantially elliptical shape, wherein the major axis of the ellipse is preferably more than twice as long as the minor axis of the ellipse.
  • the leaf spring having spring element may be made of plastic.
  • the spring element also has a support body. This has a longitudinal slot. Through the longitudinal slot, the shaft of a clamping screw or a clamping pin protrude, which cooperates with the sliding block.
  • the leaf spring is integrally attached to the support body.
  • the thus configured spring element can be manufactured as an injection molded part.
  • the support body is preferably formed in the region of the small semi-axis of the ellipse of the leaf spring.
  • the longitudinal slot can then lie in alignment with the extension to the semi-minor axis.
  • the adjustment aid is a step mounted in the region of the narrow ends of the elliptical spring.
  • the vertical position of the spring element to the work plate or the distance position of the spring element for rip fence can be adjusted using this level. It is adjusted to the thickness or width of the workpiece. Since the slightly curved belly of the leaf spring protrudes beyond this abutment surface, the leaf spring is stretched while shortening the small semi-axis when moving the workpiece.
  • the step may be formed by a kink of the spring. But it is also possible to form the step from a hump.
  • Figures 1 and 2 show a milling table 1. This has a horizontal work plate 2. From the bottom 4 of the work plate 2 project obliquely L-shaped legs 9, the free ends are each provided with a foot cap 10 made of rubber.
  • the underside 4 has at its two longitudinal edge sides in each case an angle rail 14, which serves for stabilization.
  • At the front side angle rail 14 is also a housing 11 for a switch.
  • This guide slot 5 On the upper side 23 of the work plate 2 there is a guide slot 5 extending in the longitudinal direction (Y direction).
  • This guide slot 5 has a T-shaped profile.
  • a sliding block can slide, which is associated with an angle stop 3.
  • the angle stop 3 can be fixed by means of a clamping nut 6 in its angular position. It can be moved within the guide slot 5 in the Y direction.
  • a clamping nut 58 also supports a later described spring element 54 in the guide slot 5.
  • the clamping nut 58 fixes the spring element 54 in both the X and Y directions.
  • the guide grooves 7 are spaced from each other. Also in these guide 7 store sliding blocks, which cooperate with clamping nuts 61. By tightening the clamping nuts 61 a stop jaw carrier 48 can be fixed in position. When loosening clamping nuts 61, the stop jaw carrier 48 can be moved in the X direction. Its distance from the cutter can be adjusted.
  • the stop jaw carrier 48 forms a support surface 55 extending substantially perpendicular to the upper side 23. On this support surface 55 store two stop jaws 51.
  • the stop jaws 51 can be displaced towards each other in the direction Y.
  • a pull piece 56 which is designed as a carriage bolt, passes through a longitudinal slot 49. The distance between the two adjoining narrow edges 51 "of the stop jaws 51 can be adjusted to the diameter of the milling cutter (not shown) the two stop jaws 51st
  • a clamping nut 59 On the back 57 of the stop jaw carrier 58 is a clamping nut 59 which is screwed onto the pulling piece 56. By means of the clamping nut 59, the position of the stop jaw 51 can be fixed.
  • the longitudinal narrow edges 51 'of the stop jaw 51 have an L-shaped configuration. Inside is an L-shaped portion 48 'of the stop jaw carrier opposite.
  • the L-shaped portion 48 'and the narrow edge 51' together form a T-shaped guide groove 52 for a sliding block 53.
  • a spring element 54 is fixed. This is also done by means of a clamping nut 60.
  • the above-mentioned spring elements 54 on the one hand form a hold-down, which presses the workpiece against the upper side 23 of the work plate 2, and on the other side a horizontal pressure piece which presses the workpiece against the stop jaws 48.
  • the spring elements 54 have the shape described below:
  • the spring element 54 consists of a plastic part. It has an elongated support body 46 which has a longitudinal slot 56. With help of the slot 56, the spring element 54 is fixed to the work plate 2 or the stop jaw carrier 48. For this purpose, a clamping screw or the like passes through the slot 56.
  • an elliptical leaf spring 63 is integrally formed at one end of the support body 64.
  • the belly 69 which is opposite to the narrow end of the support body 64, forms the pressure surface, which presses the spring element 64 against the workpiece.
  • the belly 69 has a large radius.
  • the two narrow ends of the leaf spring 66 have a small radius.
  • steps 67 are provided in the region of the narrow ends, which can be placed on top of the edge of the workpiece. As a result, the spring escape path of the pressure surface 69 is then defined.
  • the step 67 may be formed by a kink 68 of the end portion of the leaf spring 63. But it is also envisaged that in this area, the leaf spring 63 forms a step 67, which can be placed on top of the workpiece.
  • the belly 69 of the leaf spring 63 can move in the direction of the support body 64.
  • the elasticity of the leaf spring 63 then ensures the required contact pressure on the one hand against the upper side 23 of the work plate 2 and on the other hand against the stop jaw 51st

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Jigs For Machine Tools (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
  • Milling Processes (AREA)
  • Springs (AREA)

Claims (9)

  1. Élément de ressort (54) pour une table de fraisage ou analogue, l'élément de ressort (54) étant un ressort à lame (63) fermé en périphérie, le ressort à lame (63) présentant une forme sensiblement elliptique, caractérisé en ce qu'un corps support (64) est formé d'un seul tenant dans la zone du petit demi-axe (a) de l'ellipse.
  2. Élément de ressort selon la revendication 1, caractérisé en ce que le corps support (64) présente une fente longitudinale (65), s'étendant parallèlement au petit demi-axe (a) de l'ellipse.
  3. Élément de ressort selon l'une des revendications précédentes, caractérisé en ce que le corps support (64) est disposé sensiblement au centre du ressort (63) elliptique.
  4. Élément de ressort selon l'une des revendications précédentes, caractérisé en ce que le corps support (64) et le ressort (63) sont formés d'une seule pièce, d'une pièce en matière synthétique.
  5. Élément de ressort selon l'une des revendications précédentes, caractérisé par un gradin (67), monté dans la zone des extrémités étroites (66) du ressort (63) elliptique, avec une face de pressage (69) s'étendant parallèlement au grand demi-axe (b).
  6. Élément de ressort selon la revendication 5, caractérisé en ce que le gradin (67) est formé par un point d'inflexion (68) du ressort (63).
  7. Élément de ressort selon la revendication 5, caractérisé en ce que le gradin (67) est formé par une bosse (70).
  8. Élément de ressort selon l'une des revendications précédentes, caractérisé en ce que l'élément de ressort présente une forme en T, la barre de T étant formée par le corps support (64) et la branche de T étant formée par le ressort à lame (63).
  9. Élément de ressort selon l'une des revendications précédentes, caractérisé en ce que le grand demi-axe (b) de l'ellipse est au moins de deux fois la longueur du petit demi-axe (a).
EP05101604A 2004-03-05 2005-03-02 Elément de ressort pour une table de fraisage Active EP1570965B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102004010735 2004-03-05
DE102004010735 2004-03-05
DE102005009227 2005-02-25
DE102005009227.6A DE102005009227B4 (de) 2004-03-05 2005-02-25 Frästisch und Zubehör

Publications (3)

Publication Number Publication Date
EP1570965A2 EP1570965A2 (fr) 2005-09-07
EP1570965A3 EP1570965A3 (fr) 2005-12-14
EP1570965B1 true EP1570965B1 (fr) 2007-09-26

Family

ID=34751406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101604A Active EP1570965B1 (fr) 2004-03-05 2005-03-02 Elément de ressort pour une table de fraisage

Country Status (4)

Country Link
US (1) US20050230003A1 (fr)
EP (1) EP1570965B1 (fr)
CA (1) CA2499716A1 (fr)
DE (2) DE102005009227B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108481463A (zh) * 2018-04-08 2018-09-04 杨艳 一种快速切割装置的工作方法

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DE102007011784A1 (de) * 2006-06-30 2008-01-03 Wolfcraft Gmbh Arbeitstisch, insbesondere Frästisch mit in einer Einsatzöffnung einer Arbeitsplatte einsetzbarer Einsatzplatte
CN102501274B (zh) * 2011-12-08 2014-11-12 东莞市长丰木工机械设备有限公司 一种木材曲面加工用数控铣床
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CN109227486A (zh) * 2018-11-22 2019-01-18 张旭 一种木材锯切固定设备
CN110802513B (zh) * 2019-10-18 2021-12-24 安徽涌诚机械有限公司 高性能涡轮增压器的压气机壳用夹具
CN111230536B (zh) * 2020-02-12 2021-07-06 江苏金沃伺服冲床有限公司 一种机床用自动触发式定位机构及其使用方法
CN114516098A (zh) * 2020-11-18 2022-05-20 南京泉峰科技有限公司 一种动力设备
CN112589489B (zh) * 2020-12-11 2021-11-09 衢州学院 一种可调节方向的多功能机械加工夹具及其使用方法
CN112599047A (zh) * 2020-12-29 2021-04-02 淄博职业学院 一种工商管理教学用智能宣传板
CN113021277B (zh) * 2021-03-02 2022-03-22 黄山耀瑞精密模塑科技有限公司 一种精密模具生产加工用夹紧装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108481463A (zh) * 2018-04-08 2018-09-04 杨艳 一种快速切割装置的工作方法
CN108481463B (zh) * 2018-04-08 2020-04-17 高唐县新华木业有限公司 一种板材快速切割装置的工作方法

Also Published As

Publication number Publication date
EP1570965A3 (fr) 2005-12-14
CA2499716A1 (fr) 2005-09-05
US20050230003A1 (en) 2005-10-20
DE102005009227B4 (de) 2023-06-15
EP1570965A2 (fr) 2005-09-07
DE102005009227A1 (de) 2005-09-29
DE502005001550D1 (de) 2007-11-08

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