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WO1992006812A1 - Machine servant a usiner les rainures internes - Google Patents

Machine servant a usiner les rainures internes Download PDF

Info

Publication number
WO1992006812A1
WO1992006812A1 PCT/BR1991/000021 BR9100021W WO9206812A1 WO 1992006812 A1 WO1992006812 A1 WO 1992006812A1 BR 9100021 W BR9100021 W BR 9100021W WO 9206812 A1 WO9206812 A1 WO 9206812A1
Authority
WO
WIPO (PCT)
Prior art keywords
spindle
machine
shaft
tooling
caliper
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.)
Ceased
Application number
PCT/BR1991/000021
Other languages
English (en)
Inventor
Flávio Desanti CORREA
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.)
ALLIED AUTOMOTIVE LTDA
Original Assignee
ALLIED AUTOMOTIVE LTDA
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 ALLIED AUTOMOTIVE LTDA filed Critical ALLIED AUTOMOTIVE LTDA
Publication of WO1992006812A1 publication Critical patent/WO1992006812A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D5/00—Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
    • B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
    • B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
    • B23Q1/621—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair

Definitions

  • the present invention refers to a machine for tooling internal grooves generally in holes of pieces for hydraulic flow control, preferably applicable to hydraulic steering components. 5.
  • one of the components of hydraulic steering comprises a valve of the rotating type for controlling the hydraulic flow, a central rotor having a cylindrical configuration is mounted in the valve in an
  • Another objective of the present invention is to provide a machine for tooling , internal grooves in pieces capable of allowing exclusion of the step which seals the end of said piece by juxtaposition of a sealing ring fastened by welding.
  • machine for tooling internal grooves of the type comprising a structural body on which a set of two carriages having synchronized movement one in relation to the other is mounted; said two carriages being positioned one above the other, the upper carriage being responsible for the
  • an indexable shaft is mounted on conical bearings, a spindle capturing caliper is provided inside said indexable shaft; said caliper being mounted by screwing in a 0 set including a dragging tube which serves as limiting part against opening of the caliper; opening of the calipe.
  • Figure 1 shows an upper schematic view of the machine for tooling internal grooves having indicating arrows as to the possible movements of the upper and lower carriages
  • Figure 2 shows a partially cut lateral view of the top portion of the machine having indica ⁇ ting arrows as to the possible movements of the upper carriage
  • Figure 3 shows a partially cut frontal view of the top portion of the machine having indica ⁇ ting arrows as to the possible movements of the lower carriage
  • Figure 4 shows a partially cut upper view of the , upper carriage showing the positioning of the spindle during tooling of the grooves
  • Figure 5 shows a sectional view according to line
  • Figure 6 shows a sectional view according to line , BB of Figure 4;
  • Figure 7 shows an enlarged view of one end of the spindle which is being machined by the tool which describes an elliptical movement;
  • Figure 8 shows a sectional schematic lateral view of the machine for tooling grooves object of the present invention.
  • the machine for tooling internal grooves object of the present invention is constituted by a structural body E on which a set of two superimposed carriages 1 and 2 is mounted, said carriages having synchronized movement between them according to the axial and transversal directions of the structural body E.
  • the set , of two carriages 1 and 2 being responsible for supporting caliper 3 to which spindle F to be cut is fastened.
  • Upper carriage 1 which is responsible for the longitudinal displacement of spindle F shows in its inner part an indexable shaft 4 mounted on conical bearings 5 in whose internal part caliper 3 is guided to attach spindle F to be machined.
  • Caliper 3 retaining spindle F is mounted in the inner part of indexable shaft 4 by means of a screw 6 together with a dragging tube 7 which serves as limiting to the opening of the caliper 3.
  • Opening of caliper 3 is carried out by a lever 8 hydraulically operated by a cylinder 9 shown by Figure 1.
  • Driving cylinder 9 causes the set of springs 10 to be pressed by flange 11 arranged in the articulating end of lever 8 and around dragging tube 7, thus allowing movement of such a tube, and consequently opening of caliper 3.
  • Disconnecting of hydraulic cylinder 9 enables the power of the set of springs 10 to push flange 11 and consequently dragging tube 7 backwards, , whereby causing caliper 3 to enter into the conical portion of the indexable shaft 4, thus assuring fastening of spindle F adapted therein.
  • caliper 3 retains spindle F axially in respect of dragging tube 7
  • its 360° rotation is performed by an electrical motor M in respect of its axial shaft, together with crown 12 and pinion 13 along with spindle F, so as it is obtained tooling of six 60° equidistant grooves or channels C in the inner part of spindle F.
  • a divider 14 is also provided to obtain equidistant spacing between the tooled grooves C of spindle F which is under machinery.
  • Said divider 14 including an electric coil B which pulls lever 15 against the spring power, said lever 15 being angularly retained by , a pin 16.
  • lever 15 releases indexable shaft 4 for a partial rotation predetermined by divider 14.
  • pin 16 After being de-energized coil B releases pin 16 which in its turn sets lever 15 free to return to the contact with the periphery of a partition disc 14 which is still describing a rotating movement around its 5.
  • axial shaft as a result of the actuation of the electric motor. Partition disc 14 will be stopped in .its rotation as pin 16 forces a protuberance of lever 15 to fall into the next slot.
  • rnicrorupturing device suitably positioned next to the partition disc 14 to indicate finish of the operation (six grooves) and to send a command to inform the end of the cycle.
  • upper carriage 1 describes a longitudinal movement thanks to
  • a runner 38 is positioned
  • Lower carriage 2 has transversal movement and during its displacement upper carriage 1 positioned thereon is carried together.
  • Transversal movement of the lower carriage 2 is obtained by acuation of a shaft 39 similar to that used to obtain movement of upper carriage 1.
  • Said shaft 39 also including adjustable eccentrical movement which defines the depth of groove C to be performed on spindle F, a toothed wheel 35 being positioned at the lower part of said axis 39.
  • Oscillating arm 21 actuating directly over a tool X and causing said tool to describe an elliptical movement by means of 180° working impulses following the anti-clockwise direction and being secured in , working position by an indexable pin 27 operated by a hydraulic cylinder, the positioning of the mentioned oscillating arm 21 being modifiable by means of an adjustable retainer 28.
  • Oscillating arm 21 is , mounted in eccentrical shaft 21a guided by bearings, a connecting rod 29 being positioned at one of its ends and engaging said oscillating arm 21 to a movable basis 30 having the function of positioning tool X to enable the work to be started and also to move the tool back after the , tooling operation is finished.
  • Tool X which will work on spindle F is positioned in a toolholder 20 provided in oscillating arm 21, said toolholder being adjustable in its longitudinal positioning by means of a supporting screw 22.
  • a set of pulleys 23 actuates over shaft 21a of said oscillating arm 21 which by means of V-shaped belts receivesrotatio ⁇ of an electrical motor, said oscillating arm 21 including balancing discs 25, 26 positioned between oscillating arm 21 and eccentrical shaft 21a.
  • the channel depth may be controlled by means of an adjustment screw 40.
  • carriage 2 On releasing nut 41 and rotating the screw clockwise, carriage 2 moves forward transversally to the middle line of the piece, and consequently the channel depth decreases.
  • the screw anti-clockwise On rotating the screw anti-clockwise, the
  • the controlling motor which operates the reducer and moves the eccentrical shafts thereby granting movement to the upper 1 and lower 2
  • the piece rotates 60° thus being positioned to machine the next groove C.
  • the machine herein described allows tooling of internal grooves on spindles F which do not have an open end.
  • the piece constructed according to the present invention is considerably superior to that previously obtained in two parts and shows less problems and failures resulting from the manufacturing process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Abstract

Machine servant à usiner les rainures internes et comportant un corps de structure (E) sur lequel est monté un ensemble de deux chariots superposés (1 et 2) aptes à s'animer d'un mouvement réciproque synchronisé dans les sens axial et transversal par rapport audit corps de structure (E), lesdits chariots (1 et 2) étant destinés à porter une broche (F) dont l'intérieur est à rainurer, ladite broche étant fixée à l'ensemble de chariots (1 et 2) par un élément de serrage (3) monté dans un tube de fixation (7) lui-même monté à l'intérieur de l'ensemble de chariots (1 et 2); l'actionnement de l'élément de serrage (3) étant assuré par un levier (8) commandé par un vérin hydraulique (9) dont l'action s'oppose à l'effort fourni par un dispositif élastique (10), ledit tube de fixation (7) étant apte à se déplacer dans le sans axial par rapport à ladite structure (E), et ledit élément de serrage (3) étant apte à tourner de 360° par rapport à l'arbre longitudinal ou axial du corps de structure (E).
PCT/BR1991/000021 1990-10-12 1991-10-08 Machine servant a usiner les rainures internes Ceased WO1992006812A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI9005307 1990-10-12
BR909005307A BR9005307A (pt) 1990-10-12 1990-10-12 Maquina para usinar ranhuras internas

Publications (1)

Publication Number Publication Date
WO1992006812A1 true WO1992006812A1 (fr) 1992-04-30

Family

ID=4050577

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR1991/000021 Ceased WO1992006812A1 (fr) 1990-10-12 1991-10-08 Machine servant a usiner les rainures internes

Country Status (5)

Country Link
AU (1) AU8616591A (fr)
BR (1) BR9005307A (fr)
MX (1) MX9101547A (fr)
PT (1) PT99215A (fr)
WO (1) WO1992006812A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112276184A (zh) * 2020-09-30 2021-01-29 株洲壹星科技股份有限公司 一种电动机槽楔切割装置
CN114367854A (zh) * 2021-12-15 2022-04-19 徐州科林家具制造有限公司 一种抽屉部件加工装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119304660B (zh) * 2024-11-18 2025-11-04 中国航发西安动力控制科技有限公司 用于非金属易变形圆环定向定尺寸开口加工的夹持装置及加工方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1498475A (fr) * 1966-07-25 1967-10-20 Dispositif destiné à améliorer les chariots croisés des machines-outils de tournage dites machines frontales
US3765305A (en) * 1968-03-20 1973-10-16 A Bishop Apparatus for making valve sleeves
DD130214A1 (de) * 1976-12-22 1978-03-15 Wolfgang Bittner Werkzeugmaschine,insbesondere bohr-und/oder fraesmaschine
US4154145A (en) * 1975-12-30 1979-05-15 Bishop Arthur E Bore slotting machine
JPS5981027A (ja) * 1982-10-29 1984-05-10 Sony Corp 移動テ−ブル駆動機構
JPS59192411A (ja) * 1983-04-11 1984-10-31 Fuji Heavy Ind Ltd 盲溝加工装置
JPS6234714A (ja) * 1985-08-02 1987-02-14 Nissan Motor Co Ltd 円筒形スリーブポート溝加工装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1498475A (fr) * 1966-07-25 1967-10-20 Dispositif destiné à améliorer les chariots croisés des machines-outils de tournage dites machines frontales
US3765305A (en) * 1968-03-20 1973-10-16 A Bishop Apparatus for making valve sleeves
US4154145A (en) * 1975-12-30 1979-05-15 Bishop Arthur E Bore slotting machine
DD130214A1 (de) * 1976-12-22 1978-03-15 Wolfgang Bittner Werkzeugmaschine,insbesondere bohr-und/oder fraesmaschine
JPS5981027A (ja) * 1982-10-29 1984-05-10 Sony Corp 移動テ−ブル駆動機構
JPS59192411A (ja) * 1983-04-11 1984-10-31 Fuji Heavy Ind Ltd 盲溝加工装置
JPS6234714A (ja) * 1985-08-02 1987-02-14 Nissan Motor Co Ltd 円筒形スリーブポート溝加工装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112276184A (zh) * 2020-09-30 2021-01-29 株洲壹星科技股份有限公司 一种电动机槽楔切割装置
CN112276184B (zh) * 2020-09-30 2022-05-03 株洲壹星科技股份有限公司 一种电动机槽楔切割装置
CN114367854A (zh) * 2021-12-15 2022-04-19 徐州科林家具制造有限公司 一种抽屉部件加工装置

Also Published As

Publication number Publication date
BR9005307A (pt) 1991-09-10
AU8616591A (en) 1992-05-20
MX9101547A (es) 1992-07-01
PT99215A (pt) 1993-12-31

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