EP2197625A2 - Präzisionsführungsvorrichtung in einer maschine zum bearbeiten von zylindrischen teilen - Google Patents

Präzisionsführungsvorrichtung in einer maschine zum bearbeiten von zylindrischen teilen

Info

Publication number
EP2197625A2
EP2197625A2 EP08807468A EP08807468A EP2197625A2 EP 2197625 A2 EP2197625 A2 EP 2197625A2 EP 08807468 A EP08807468 A EP 08807468A EP 08807468 A EP08807468 A EP 08807468A EP 2197625 A2 EP2197625 A2 EP 2197625A2
Authority
EP
European Patent Office
Prior art keywords
vee
base
series
cylindrical
parts
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.)
Granted
Application number
EP08807468A
Other languages
English (en)
French (fr)
Other versions
EP2197625B1 (de
Inventor
Pierre-Louis Piguet
Pierre Pahud
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.)
Rollomatic SA
Original Assignee
Rollomatic SA
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 Rollomatic SA filed Critical Rollomatic SA
Priority to EP08807468A priority Critical patent/EP2197625B1/de
Publication of EP2197625A2 publication Critical patent/EP2197625A2/de
Application granted granted Critical
Publication of EP2197625B1 publication Critical patent/EP2197625B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/247—Supports for drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/066—Work supports, e.g. adjustable steadies adapted for supporting work in the form of tools, e.g. drills

Definitions

  • the guiding device In conventional machines, the guiding device generally comprises a fixed part with two planar V-shaped sidewalls, in which the workpiece is engaged and guided, and a movable part, the bearing finger which presses the part into the This guarantees a rotation whose quality no longer depends on the circularity of the workpiece itself.
  • the positioning vee must be changed since the tool diameter of the new series differs from that of the previous series, and its positioning height must be adjusted with great precision to ensure a perfect position. the axis of rotation.
  • This work of adjusting the position of the vee, with three degrees of freedom to a minimum, is time consuming and thus reduces the productivity of the entire machine. Finally, it reduces the versatility of the production system by making it attractive only for very long runs.
  • the present invention aims to remedy this defect by creating a guiding device which ensures the maintenance of the parts in the machining machine, with maximum accuracy for all part diameters, and eliminates tedious adjustments during series changes to minimize unproductive time. Consequently, the device that is the subject of the invention makes it possible in particular to manage, in competitive conditions, the processing of shorter series than until now.
  • the present invention relates to a precision guide device in a machine for machining cylindrical parts, characterized in that it comprises a bearing assembly defining a fixed axis for said parts and comprising a vé integral with a base, a set of interchangeable intermediate members adapted to vee and each corresponding to a given diameter of a series of said cylindrical parts and a bearing finger, pressing the workpiece against the intermediate member in the vee.
  • each interchangeable intermediate member has the shape of a ring sector adjusted to the diameter of the parts of a series of workpieces and arranged externally to be mounted in the vee, between the latter and the cylindrical part to be machined, each of said intermediate members being able to present, in a concave cylindrical surface which corresponds to the diameter of the part, support facets precisely adjusted to receive the parts of the series to which this member is intended, and a convex cylindrical surface portion exactly coaxial with said concave bearing facets and intended to be supported against the flanks of the vee.
  • said portion of convex cylindrical surface is an outer face forming the edge of a radial flange of the intermediate member, the latter being fixed to the base in the vee by a plate provided a hole for a fastening screw to the base and two holes for the positioning pins of the wafer, these pins being engaged in the base outside the vee.
  • the support finger can be fixed on a bracket pivoting on the base, about an axis exactly perpendicular to that defined by the internal planes of the vee, and be pressed against the workpiece.
  • FIG. 1 is a perspective view of a support assembly with its base, forming part of the guide device
  • FIG. 2 - fig. 3 is a vertical sectional view along A-A of the assembly shown in FIG. 2, and
  • FIG. 4 is a perspective view of an intermediate member forming part of the assembly of FIG. 1.
  • the guiding device shown in the drawing is part of a machine for machining cylindrical parts such as drills hard material whose profile must be grinding or grinding with extreme precision. It comprises a support assembly ( Figures 1 and 2) mounted on a machine base 1.
  • the support assembly of FIGS. 1 and 2 is arranged to maintain according to a rigidly determined axis of the workpieces 2, or drilling tools as mentioned above.
  • It comprises a base 3 fixed on the machine base 1 by a clamping bolt 4 and a locking screw 5.
  • the base 1 has two plane surfaces 12 and 13 (FIG 2), rigorously flat and perpendicular, on which two corresponding flat faces machined to the lower part of the base 3 are applied.
  • the base 3 still has, at its front and upper part, a housing machined with - AT -
  • FIG 2 two oblique and symmetrical plane flanks 8 (FIG 2) and a vertical bottom also plan 9.
  • These surfaces form a recess housing closed at the rear, in which is immobilized an intermediate member January 1 which will be described later.
  • the surfaces 8 will be machined with great accuracy with respect to the faces 12 and 13 for positioning the base 3 on the machine. They constitute the positioning reference of the tool 2 to be machined on the machine.
  • the part 2 is held in abutment with respect to the vee 8 and 9 by a finger 14 fixed, via an element 14 ', to a stirrup 15 pivoting about an axis 16 relative to the 3.
  • a support finger 14 fixed to a stirrup 15 perpendicular to the workpiece is known per se in conventional machines. It is known that such chains are often hydraulically or pneumatically controlled by a piston 6 housed in a chamber formed in the base and fed by connectors such as 17, so as to press the finger 14 against the piece 2 against a release spring 18.
  • a set of interchangeable intermediate members 1 1 (Figs 1, 2 and 4), each corresponding to a particular workpiece diameter.
  • a member 11 corresponding to this diameter is mounted between the bearing finger 14 and the faces 8 and 9 of the vee. It is held by a positioning plate 19 fixed to the base by a screw 20 and two pins 21.
  • the intermediate member 1 made of a high-strength material, has the shape of a cylindrical ring sector with a recess 22 in a concave cylinder arc which determines the axis corresponding to the diameter of the workpiece for which the organ is designed (Fig. 4). To achieve the best possible guidance, the surface 22 is unobstructed and only four concave cylindrical facets 23 are held in symmetrical positions rigorously contained in the same cylindrical surface.
  • the member 1 1 further comprises a radial flange 24 limited by a convex cylindrical surface portion 25 for bearing against the faces 8 of the vee.
  • the piece 1 1 being a sector of crown, its realization can be made with the greatest precision by internal and external cylindrical grinding operations. It is the diameter of the workpiece 2 which determines the diameter of the surface 23, therefore the choice of the intermediate member 11, and consequently the position of the common axis of the surfaces 23 and 25 in the vee 8, this position being invariable.
  • a change of series involves the change of the part 1 1 held by the plate 19.
  • the screw 20 ensures the locking of the assembly and the pins 21 are also used to resume the rotational friction torque when tightening the screw 20 , which would, if not the tendency to rotate the room 1 1.
  • the support assembly described above thus maintains the workpieces in a position such that the axis of the workpiece is strictly determined with respect to the base, and therefore with respect to the machine base 1.
  • machining parts can be achieved with the desired accuracy, it is still necessary that the drive of the part is done in such a way that the latter actually turns around the axis defined by the support assembly.
  • the machining machine will be provided with a doll having a spindle in which the workpiece will be fixed and by which it will be driven. If necessary, this doll may be of a floating spindle type.
  • vee 8 of the support assembly of the guiding device of the present invention comprising two oblique and symmetrical plane flanks
  • the term "vee" designates any pair of surfaces arranged to serve as a support in two generatrices rectilinear to a cylindrical part, that said surfaces are flat or curved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Jigs For Machine Tools (AREA)
  • Drilling And Boring (AREA)
  • Braking Arrangements (AREA)
  • Machine Tool Units (AREA)
EP08807468A 2007-08-31 2008-08-28 Präzisionsführungsvorrichtung in einer maschine zum bearbeiten von zylindrischen teilen Not-in-force EP2197625B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08807468A EP2197625B1 (de) 2007-08-31 2008-08-28 Präzisionsführungsvorrichtung in einer maschine zum bearbeiten von zylindrischen teilen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07115420A EP2030727A1 (de) 2007-08-31 2007-08-31 Präzisionssteuervorrichtung in einer Bearbeitungsmaschine von zylindrischen Werkstücken
EP08807468A EP2197625B1 (de) 2007-08-31 2008-08-28 Präzisionsführungsvorrichtung in einer maschine zum bearbeiten von zylindrischen teilen
PCT/IB2008/053471 WO2009027939A2 (fr) 2007-08-31 2008-08-28 Dispositif de guidage de precision dans une machine d'usinage de pieces cylindriques

Publications (2)

Publication Number Publication Date
EP2197625A2 true EP2197625A2 (de) 2010-06-23
EP2197625B1 EP2197625B1 (de) 2011-10-19

Family

ID=38728711

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07115420A Withdrawn EP2030727A1 (de) 2007-08-31 2007-08-31 Präzisionssteuervorrichtung in einer Bearbeitungsmaschine von zylindrischen Werkstücken
EP08807468A Not-in-force EP2197625B1 (de) 2007-08-31 2008-08-28 Präzisionsführungsvorrichtung in einer maschine zum bearbeiten von zylindrischen teilen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07115420A Withdrawn EP2030727A1 (de) 2007-08-31 2007-08-31 Präzisionssteuervorrichtung in einer Bearbeitungsmaschine von zylindrischen Werkstücken

Country Status (7)

Country Link
US (1) US8241093B2 (de)
EP (2) EP2030727A1 (de)
JP (1) JP2010537833A (de)
CN (1) CN101932407A (de)
AT (1) ATE529218T1 (de)
TW (1) TW200927376A (de)
WO (1) WO2009027939A2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102441881A (zh) * 2011-10-23 2012-05-09 芜湖华峰汽车部件有限责任公司 空压机支架夹具
JP5957277B2 (ja) * 2012-04-28 2016-07-27 光洋機械工業株式会社 工作物の外周ｒ面研削用治具および外周ｒ面研削装置
JP2014108032A (ja) * 2012-11-30 2014-06-09 Daiwa Kasei Kogyo Kk コルゲートクランプ
CN103144031A (zh) * 2013-03-01 2013-06-12 昆山允可精密工业技术有限公司 刀具棒料加工支撑装置
CN104440199A (zh) * 2014-12-17 2015-03-25 重庆健杰科技有限公司 三角形管件夹持装置
USD829072S1 (en) * 2015-09-08 2018-09-25 Drägerwerk AG & Co. KGaA Mounting clamp device
USD811189S1 (en) * 2015-09-15 2018-02-27 Delaware Capital Formation, Inc. Gripper
USD811188S1 (en) * 2015-09-15 2018-02-27 Delaware Capital Formation, Inc. Gripper body
CN106002503B (zh) * 2016-07-27 2019-05-31 芜湖精钻机电技术有限公司 一种枪钻刃磨定位夹具
CN106217138B (zh) * 2016-07-27 2019-02-01 芜湖精钻机电技术有限公司 一种枪钻刃磨机
CN109227236B (zh) * 2018-11-27 2023-08-11 苏州阿诺精密切削技术有限公司 V形槽式深孔钻头磨削定位装置
CN110125737B (zh) * 2019-06-03 2024-03-19 深圳市金洲精工科技股份有限公司 一种托架机构
CN111347072B (zh) * 2020-04-02 2021-07-30 江苏富乐德石英科技有限公司 一种机械加工钻孔机
EP4094888A1 (de) * 2021-05-28 2022-11-30 Rollomatic S.A. Verfahren zur bearbeitung mehrerer werkstückrohlinge mit einer werkzeugmaschine und ein satz von spezifischen trägern für das verfahren dafür
CN116175224A (zh) * 2022-12-02 2023-05-30 勤威(天津)工业有限公司 一种汽车刹车系统钳体加工用组合治具

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GB363781A (en) * 1930-03-08 1931-12-31 Norton Co Improvements in spindle bearing
US2405288A (en) * 1944-01-25 1946-08-06 Herbert G Butt Pipe vise
US2832122A (en) * 1954-03-05 1958-04-29 H P Townsend Mfg Co Clamping devices for rod-sawing machines
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Also Published As

Publication number Publication date
EP2197625B1 (de) 2011-10-19
CN101932407A (zh) 2010-12-29
WO2009027939A2 (fr) 2009-03-05
WO2009027939A3 (fr) 2010-04-08
US8241093B2 (en) 2012-08-14
EP2030727A1 (de) 2009-03-04
TW200927376A (en) 2009-07-01
ATE529218T1 (de) 2011-11-15
US20100248589A1 (en) 2010-09-30
JP2010537833A (ja) 2010-12-09

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