EP0623421B1 - Dispositif pour le formage unilatéral de pièces tubulaires de différents diamètres - Google Patents

Dispositif pour le formage unilatéral de pièces tubulaires de différents diamètres Download PDF

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Publication number
EP0623421B1
EP0623421B1 EP93119846A EP93119846A EP0623421B1 EP 0623421 B1 EP0623421 B1 EP 0623421B1 EP 93119846 A EP93119846 A EP 93119846A EP 93119846 A EP93119846 A EP 93119846A EP 0623421 B1 EP0623421 B1 EP 0623421B1
Authority
EP
European Patent Office
Prior art keywords
axis
deflection roll
spindle
constructed
support
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
EP93119846A
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German (de)
English (en)
Other versions
EP0623421A1 (fr
Inventor
Jan-Jacob Landhuis
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.)
Almi Machinefabriek BV
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Almi Machinefabriek BV
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6484608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0623421(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Almi Machinefabriek BV filed Critical Almi Machinefabriek BV
Priority to DE9320750U priority Critical patent/DE9320750U1/de
Publication of EP0623421A1 publication Critical patent/EP0623421A1/fr
Application granted granted Critical
Publication of EP0623421B1 publication Critical patent/EP0623421B1/fr
Anticipated expiration legal-status Critical
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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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories

Definitions

  • the invention relates to a device for the end molding of tubular workpieces with different diameters.
  • devices for notching tubular metal workpieces have been known for a long time and have the task of achieving a recess in the end part of a tube which is adapted to the tube diameter of the tube to be connected, so that thereby a full contact of the one tube on the wall of the other pipe.
  • the known manually operated device for notching pipes can only process three pipe diameters and, above all, only process pipes which are to be formed exactly perpendicular to the punch carrying the notching tools.
  • the invention has for its object to provide an inexpensive belt grinder for the end molding of tubular workpieces, so that it is possible to bring pipes of any diameter and length to the grinding belt and make different sizes of a pipe end.
  • Belt grinders are known to a large extent, for example also from US-PS 26 71 993.
  • this known machine usually has neither easily exchangeable deflection rollers of different diameters, so that different grinding diameters could be created quickly, nor a support having a clamping device. which can be moved up to the deflection roller causing the grinding.
  • a device which essentially consists of a revolving sanding belt, that is to say is formed by a belt sanding machine, but the foremost role of this sanding machine can be replaced simply and quickly, so that this results in different Diameter deflection rollers can be used and thus different diameters can be quickly achieved in the front deflection area of the grinding belt.
  • this machine is equipped with a support, preferably a cross support, which has a clamping device for clamping the pipe and which enables the pipe to be formed to be fed to the front deflection roller of the grinding belt on the one hand and the pipe to be moved transversely in front of the front part of the grinding belt and in addition the clamping device can be mounted on a disc which is rotatable about an axis, this axis being perpendicular to the axis of the front deflection roller and perpendicular to an imaginary connecting line between the front deflection roller and the rear deflection roller.
  • the machine according to the invention is designed so that the distance between the front deflection roller and the rear deflection roller can be changed so that the front roller can be removed by simply slackening the sanding belt and that the tension of the sanding belt is restored in the same way by simple manual operation can be.
  • 1 denotes a stand which carries a machine frame 38 which, in the exemplary embodiment shown, carries a drive motor 10 on the right-hand side and a support 3 on the left-hand side.
  • the drive motor 10 as also shown in FIG. 2, connects to the machine frame 38 via a carrier 23 with the interposition of a pivot bearing 6, the carrier 23 with the motor 10 being able to be pivoted about the pivot bearing 6.
  • This pivoting movement is prevented on the one hand and made possible on the other hand by a spindle 8, which carries a handwheel 7 on one end and connects the other end to the carrier 23, namely under Interposition of a swivel plate 40.
  • the spindle 8 runs in a spindle nut 24 carried by the machine frame 38. Between the swivel bearing 40 and the threaded area of the spindle 24, a spring 9 is inserted, which serves to compensate for the tension of an abrasive belt 2.
  • the grinding belt 2 is guided over a rear deflection roller 5 connected to the motor 10 and a front deflection roller 4.
  • the drawing in Fig. 1 clearly shows that the connecting shaft between the motor 10 and the rear pulley 5 is in an elongated hole guide 41, so that the change in length between the front pulley 4 and the rear pulley 5 are possible.
  • This design of the support makes it possible to fix pipes R of any diameter in the clamping device 18, to move the pipes parallel to the longitudinal axis of the front deflection roller 4 and, if appropriate, to simultaneously move the tube R towards the front deflection roller 4.
  • the clamping device 18 is connected to the cross slide 16 with the interposition of a disk 35 which can be rotated about an axis which is transverse to the axis of the front deflection roller 4 and transverse to the imaginary connecting line between front pulley 4 and rear pulley 5 is aligned.
  • the edge of the disk 35 can be equipped with an angle marking so that the angle adjustment of the tube R can be easily checked.
  • the front deflection roller 4 is intended to be easily exchangeable for adaptation to different configurations A of a tube R , which is achieved by the arrangement shown on a larger scale in FIG. 5.
  • the two housing cheeks 25 and 26 can be seen in FIG. 5, wherein the housing cheek 25 can be an extension of the machine frame 38 recognizable in FIG. 2.
  • a bore 28 is provided in the housing cheek 25, while the front end of the housing wall 26 is designed as a fork, so that the fork space 27 is created.
  • 5 shows the front deflection roller 4, which has a shaft 39, this shaft 39 on both sides the front deflection roller has 4 races 33.
  • Ball bearings or impellers 29 and 30 or 31 and 32 are arranged on the housing cheeks 25 and 26, so that when the shaft 39 of the front deflection roller 4 is inserted into the bore 28 and the opposite shaft end is inserted into the fork 27, the races 33 on the Impellers 29 and 30 or 31 and 32 come to rest. The shaft 39 of the front deflection roller 4 is now supported here.
  • FIGS. 6 to 8 Another embodiment in order to easily replace the front deflection roller for the purpose of adaptation to different configurations A of a tube R is shown in FIGS. 6 to 8.
  • the housing cheeks 25 and 26 have U-shaped receptacles 45 and 46, the open side of the U being directed forward in the exemplary embodiment shown.
  • pressure bearings can be seen in the illustration in FIG. 6, which — as is particularly clearly shown in FIG. 8 — consist of a ball 48 which is pressed upwards by a spring 49 over the inner surface of the U.
  • Such thrust bearings are provided both in the upper and in the lower leg of the U-shaped receptacles 45 and 46.
  • Each front deflection roller is equipped at its shaft ends with races 47, which are preferably designed as ball bearings, and it is possible, as shown in FIG. 6, the front deflection roller 4 via the thrust bearing, that is to say via the ball 48 in the direction on the lower end of the U-shaped To push recordings 45 and 46, with the balls 48 now holding the races 47.
  • FIG. 7 Another front deflection roller 4a is shown in FIG. 7, which has a much smaller diameter than the upper deflection roller 4, but the races 47 arranged on the shafts 39 have the same outer diameter.
  • the front housing cheek 26 is designed as an angle piece 44 which is carried by the machine frame 38.
  • tubes R of any diameter can be ground to any desired angle with the new device.
  • the front deflection roller 4 can be exchanged for other front deflection rollers 4a of the desired diameter in the simplest way.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Claims (13)

  1. Dispositif pour le formage d'extrémité de pièces tubulaires de différents diamètres, caractérisé en ce qu'il comporte :
    a) une bande de meulage (2) entraînée en continu, dont le rouleau de renvoi antérieur (4) correspond au diamètre de l'enlèvement (A),
    b) un jeu de rouleaux de renvoi (4, 4a) de diamètres différents,
    c) un chariot fixe (3) portant le tuyau à former (R) sur un patin longitudinal (14) dans un mécanisme de serrage (18), qui peut être approché du rouleau de renvoi antérieur (4) de la bande de meulage,
    d) deux parois de boîtier antérieures (25, 26) qui présentent, en vue de porter de façon interchangeable un rouleau de renvoi antérieur (4, 4a), des logements (27, 28 ; 45, 46), desquels un rouleau de renvoi (4) peut être facilement retiré après le relâchement de la bande de meulage (2) continue pour installer facilement un autre rouleau de renvoi (4a) d'un autre diamètre.
  2. Dispositif selon la revendication 1, caractérisé en ce que les logements (45, 46) sont conçus comme des corps en U et des bagues de glissement (47), qui peuvent être introduites dans les logements (45, 46), sont disposées sur les axes des rouleaux de renvoi (4, 4a).
  3. Dispositif selon la revendication 2, caractérisé en ce que les bagues de glissement (47) sont conçues comme des bagues à roulement a billes.
  4. Dispositif selon la revendication 1, caractérisé en ce que le support du rouleau de renvoi antérieur (4, 4a) se compose de :
    a) deux parois de boîtier (25, 26) portées par le châssis de machine (38) et dont l'une au moins est constituée comme une fourche (27) et l'autre présente un trou (28), et de
    b) deux roues de support (29, 30 ; 31, 32) associées au trou (28) et à la fourche (27), qui peuvent venir s'appuyer sur des bagues de glissement (33) de l'arbre (39) du rouleau de renvoi (4, 4a).
  5. Dispositif selon la revendication 1, caractérisé en ce que le chariot (3) est conçu comme un support en croix et porte en outre un patin transversal (16) disposé de façon coulissante sur le patin longitudinal (14).
  6. Dispositif selon la revendication 1 ou 5, caractérisé en ce que le mécanisme de serrage (18) est formé par une mâchoire de contre-appui (19) stationnaire et une mâchoire de serrage (20) mobile, la mâchoire de serrage (20) mobile étant conçue comme un patin actionné par une broche.
  7. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que le mécanisme de serrage (18) peut pivoter sur le chariot (3) autour d'un axe orienté perpendiculairement à l'axe du rouleau de renvoi antérieur (4, 4a), perpendiculairement aussi bien à l'axe de déplacement du patin longitudinal (14) qu'à l'axe de déplacement du patin transversal (16).
  8. Dispositif selon la revendication 7, caractérisé en ce que le mécanisme de serrage (18) est porté par une plaque (35) qui peut être fixée en position au moyen de moyens de blocage (36, 37).
  9. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que le rouleau de renvoi postérieur (5) est conçu comme un rouleau menant et peut pivoter avec un moteur (10) sur un palier de pivotement (6), de telle sorte que l'écart entre l'axe du rouleau de renvoi postérieur (5) et celui du rouleau de renvoi antérieur (4, 4a) puisse être modifié.
  10. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce qu'il comporte une broche (8) actionnée à la main pour le mouvement de pivotement du support (23) qui porte le palier de pivotement (6) et le moteur (10).
  11. Dispositif selon la revendication 10, caractérisé en ce que la broche (8) se guide sur un écrou à broche (24) supporté sur le châssis de machine (38) et se raccorde au support (23) avec interposition d'un ressort spiral (9).
  12. Dispositif selon la revendication 11, caractérisé en ce que le raccordement de la broche (8) sur le support (23) se fait autour d'un axe orienté perpendiculairement à l'axe de la broche, mais parallèlement à l'axe du palier de pivotement (6).
  13. Dispositif selon l'une ou l'ensemble des revendications précédentes, caractérisé en ce que la paroi de boîtier antérieure (26) est conçue comme une cornière (44), qui est portée par le châssis de machine (38).
EP93119846A 1993-04-02 1993-12-09 Dispositif pour le formage unilatéral de pièces tubulaires de différents diamètres Expired - Lifetime EP0623421B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9320750U DE9320750U1 (de) 1993-04-02 1993-12-09 Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken mit unterschiedlichen Durchmessern

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4310887 1993-04-02
DE4310887A DE4310887B4 (de) 1993-04-02 1993-04-02 Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken mit unterschiedlichen Durchmessern

Publications (2)

Publication Number Publication Date
EP0623421A1 EP0623421A1 (fr) 1994-11-09
EP0623421B1 true EP0623421B1 (fr) 1995-12-06

Family

ID=6484608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93119846A Expired - Lifetime EP0623421B1 (fr) 1993-04-02 1993-12-09 Dispositif pour le formage unilatéral de pièces tubulaires de différents diamètres

Country Status (6)

Country Link
US (1) US5357714A (fr)
EP (1) EP0623421B1 (fr)
JP (1) JPH06285760A (fr)
DE (2) DE4310887B4 (fr)
ES (1) ES2081172T3 (fr)
PL (1) PL172341B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111469008A (zh) * 2020-03-10 2020-07-31 孟燕飞 一种不锈钢零件粗加工用边角处理装置及其处理方法

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DE102006007709B4 (de) * 2006-02-14 2019-01-31 C. & E. Fein Gmbh Bandschleifmaschine
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DE102010034516A1 (de) * 2010-08-16 2012-02-16 Horst Osthoff Entgrateinrichtung
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US9067294B2 (en) * 2011-11-30 2015-06-30 United Technologies Corporation Coating removal apparatus
CN102848314A (zh) * 2012-08-10 2013-01-02 浙江腾云制冷科技有限公司 一种用于倒角机的管子磨削器驱动装置
US11491606B2 (en) * 2015-10-21 2022-11-08 ST Engineering Aerospace Ltd. Grinding module, a grinding machine and a method for grinding
CN106112752B (zh) * 2016-06-29 2017-12-26 重庆大学 适用于整体叶盘全型面磨抛加工的砂带磨削中心
CN107855891A (zh) * 2017-12-07 2018-03-30 上海航天设备制造总厂有限公司 一种适用于窄砂带的砂带张紧调偏机构及其实现方法
CN110977489B (zh) * 2019-12-25 2021-04-20 重庆铝成科技有限公司 一种铝型材全自动加工设备

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Publication number Priority date Publication date Assignee Title
CN111469008A (zh) * 2020-03-10 2020-07-31 孟燕飞 一种不锈钢零件粗加工用边角处理装置及其处理方法
CN111469008B (zh) * 2020-03-10 2021-10-12 广州美亚股份有限公司 一种不锈钢零件粗加工用边角处理装置及其处理方法

Also Published As

Publication number Publication date
DE4310887A1 (de) 1994-10-06
US5357714A (en) 1994-10-25
ES2081172T3 (es) 1996-02-16
PL172341B1 (pl) 1997-09-30
DE59301110D1 (de) 1996-01-18
DE4310887B4 (de) 2004-09-09
JPH06285760A (ja) 1994-10-11
EP0623421A1 (fr) 1994-11-09

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