EP2555887B1 - Werkzeugeinheit einer rundknetmaschine - Google Patents

Werkzeugeinheit einer rundknetmaschine Download PDF

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Publication number
EP2555887B1
EP2555887B1 EP11711524.6A EP11711524A EP2555887B1 EP 2555887 B1 EP2555887 B1 EP 2555887B1 EP 11711524 A EP11711524 A EP 11711524A EP 2555887 B1 EP2555887 B1 EP 2555887B1
Authority
EP
European Patent Office
Prior art keywords
front cover
tool
lock
tool space
unit according
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
EP11711524.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2555887A1 (de
Inventor
Martin Hork
Vinzenz Mroz
Werner Michi
Rico Warneck
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.)
Felss GmbH
Original Assignee
Felss 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 Felss GmbH filed Critical Felss GmbH
Priority to PL11711524T priority Critical patent/PL2555887T3/pl
Publication of EP2555887A1 publication Critical patent/EP2555887A1/de
Application granted granted Critical
Publication of EP2555887B1 publication Critical patent/EP2555887B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B21J7/145—Forging machines working with several hammers the hammers being driven by a rotating annular driving member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B21J7/16—Forging machines working with several hammers in rotary arrangements

Definitions

  • the invention relates to a tool unit of a rotary swaging machine with a tool room, in which a plurality of Umformknettechnikmaschinee for processing a insertable into the tool room workpiece are provided, and with a front cover, by means of which the tool room from a tool room side is at least partially covered, wherein the front cover for changing Umformknettechnikmaschineen in at least one position is convertible, in which the front cover releases the tool room for removal or insertion of Umformknettechnikmaschinemaschineen from the tool room side, and wherein provided with an actuator front cover latch is provided by means of which the front cover is locked in a position in which the front cover at least partially covers the tool room from the side of the tool room.
  • a rotary swaging machine has a tool unit with a working space in which at least two Forming tools are provided.
  • the forming tools are designed such that they can completely or partially enclose the workpiece longitudinal section to be machined.
  • Umformantriebs the forming tools are moved radially to the workpiece.
  • Umformantrieben known for rotary kneading machines.
  • hydraulic forming drives or electromotive ring drive drives can be mentioned.
  • the forming tools must be specially adapted to different forming operations. Therefore, the forming tools must be replaced usually between different workpiece machining.
  • EP 0 411 300 A2 discloses a rotary swaging machine whose tool space is closed by a motor-displaced front cover.
  • EP 0 411 300 A2 can the front cover is pivoted about a pivot axis perpendicular to the front cover by means of a pivoting segment and a rotary segment driving the pivoting segment.
  • the front cover can be moved to a position in which it closes the tool room of the previously known rotary swaging machine or into a position in which it allows access to the tool room.
  • DE 40 02 855 C1 the front cover of the tool room of a rotary swaging machine is raised by means of a lifting cylinder in an open position or lowered into a closed position.
  • the invention has set itself the goal of providing a tool unit, which is characterized by a particularly handling-friendly change of Umformknettechnikmaschinee.
  • the front cover is slidably mounted both by means of a front cover guide relative to the tool room side and at the same time mounted pivotably relative to the tool room side by means of a front cover pivot bearing.
  • the front cover guide Due to the sliding support of the front cover guide, the operator does not have to carry the front cover when removing the front cover from the tool room side.
  • the front cover is rather supported on the front cover guide and can be easily pushed away from the tool room side. In this case, the transfer movement of the front cover relative to the tool room side.
  • the front cover can be deducted by the transfer movement at the same time also from the Einstellkeilen. Then the front cover can be swung freely to the side to allow free access to the tool room.
  • the pivot axis of the front cover pivot bearing extends parallel to the plane of the tool room side.
  • the front cover can be swung away in the manner of a flap from the tool room side. Again, the operator may not need to wear the front cover when removing from the tool room side.
  • the inventive storage and management of the front cover when removing from the tool room side is particularly advantageous in a tool unit, in which the forming tools come in the workpiece machining on the front cover to the plant.
  • the forming tool in this case are pressed axially onto the front cover with relatively high forces. Consequently, the front cover must be extremely stable and thus heavy. Thanks to the guidance or storage of the front cover, the relatively heavy front cover does not need to be worn by the operator.
  • a particularly pleasant handling results when the front cover during the transfer movement and / or the pivoting movement by means of a drive or by means of drives can be driven.
  • the front cover lock By means of the front cover lock, the front cover can be locked in a position in which the front cover at least partially covers the tool space on the part of the workpiece side. Therefore, an operator does not have to laboriously for changing the forming tools z. B. loosen a screw of the front cover using additional tools. He just has to unlock the front cover lock by means of the actuator or lock after the tool change.
  • the front cover latch has one or more locking elements, which are movable by means of the actuating device substantially by a pivoting and / or a linear movement between a release position and a locking position.
  • the front cover In the locking position, the front cover is fixed to the tool room side by z. B. forms a rear grip between frontabdeckungs- and tool room side elements. It can be used locking elements in the form of rods, bolts, plates, balls, etc.
  • the actuator of the front cover latch may comprise a drive by means of which the front cover latch for locking and unlocking the front cover driven is.
  • a drive by means of which the front cover latch for locking and unlocking the front cover driven is.
  • hydraulic and pneumatic actuating cylinders by means of which at least one locking element between a release position and a locking position can be moved back and forth.
  • the actuator of the front cover latch is adapted to be manually operated by an operator.
  • the actuating device for this purpose with a handle element, for. B. a handle or the like provided.
  • a handle element for. B. a handle or the like provided.
  • a particularly compact design of a tool unit according to the invention results from the fact that the actuator of the front cover latch is attached to the front cover.
  • the actuator and the front cover thus form a compact front cover unit.
  • the front cover is provided in particular with a passage for introducing a workpiece section to be machined into the tool room.
  • the front cover may be provided with further passage openings through which, for example, adjusting wedges for setting the stroke position of the Umformknettechnikmaschinee may protrude beyond the tool room side.
  • a cover surrounding the adjusting wedges is provided on the front cover, via which a handle for actuating the front cover locking protrudes.
  • the front cover lock on a locking element which is pivotally mounted for locking and unlocking the front cover and rotatable. It is particularly space-saving, if the locking element to a perpendicular to the tool room side pivot axis, d. H. in particular perpendicular to the plane of the front cover, is pivotally mounted.
  • the front cover latch To release the front cover latch, z. B. by vibrations in the workpiece processing, to prevent the front cover latch can be clamped in a locking position by means of a clamping device.
  • a clamping device For example, the front cover latch Bayonettver gleichartig (automatically) when locking clamped or jammed.
  • a disadvantage of this variant is that such a front cover lock is relatively stiff.
  • a particularly preferred embodiment of the invention is characterized in which the front cover latch has a self-actuated clamping device, to secure the front cover latch in a locked position.
  • the clamping device has driven clamping means, for. B. hydraulic clamping cylinder.
  • the clamping force does not have to be applied by the operator in this case.
  • the operator can activate the clamping device by actuating a switching element or the like, for example, after locking.
  • the front cover latch has at least one bolt which is fixed to a component surrounding the tool space, in particular the so-called jaw guide.
  • the bolt represents a particularly robust fastening or locking element.
  • the bolt is arranged such that it protrudes through a passage opening on the front cover, when it covers the tool space on the part of the tool room at least partially.
  • the front cover locking device has a locking plate which likewise has at least one passage opening through which the bolt head can protrude. The locking plate is movable relative to the bolt between a release position and a locking position. In the locking position, the locking plate engages behind the protruding bolt head.
  • the locking plate and the front cover are integrally formed.
  • the front cover itself is pivoted or rotated to be locked or unlocked.
  • the locking plate is movably mounted as a separate component on the front cover between the release position and the locking position.
  • the front cover itself must not be designed to be rotatable or pivotable.
  • FIG. 1 shows a rotary swaging machine 1 with a tool unit 2 and only partially shown workpiece feed unit 3.
  • a clamped on a collet 4 workpiece 5, z. B. a pipe, along a feed axis 6 and working axis of the tool unit 2 are supplied.
  • the insertion axis 6 coincides with a longitudinal axis of the clamped workpiece 5.
  • the clamped workpiece 5 can be introduced with a workpiece longitudinal section to be machined into a tool space 9 of the tool unit 2.
  • FIG. 2 the tool unit 2 of the rotary swaging machine 1 is shown in isolation.
  • the tool unit 2 has a front cover unit 11, wherein an in FIG. 1 shown cover 12 of the front cover unit 11 is not shown, so that arranged underneath components of the front cover unit 11 can be seen better.
  • the front cover unit 11 has a front cover which is formed as a circular front plate 13.
  • the front panel 13 covers the tool room 9 from a tool room side 14 at least partially. It has a circular passage 15 for insertion of a workpiece 5 in the tool room 9.
  • the front plate 13 is provided with further elongated passage openings 16 through which adjusting wedges (not shown) can protrude from the tool room 9 through the front panel 13 therethrough.
  • a front cover lock 20 is provided, by means of which the front panel 13 can be locked in the position shown.
  • the front cover latch 20 has a locking element in the form of an annular locking plate 21.
  • the locking plate 21 lies flat against the side facing away from the tool room 9 side of the front panel 13. To lock it cooperates with four locking pin 22.
  • the locking bolts 22 protrude through keyhole-shaped recesses 23 of the locking plate 21.
  • the keyhole-shaped recesses 23 each have a portion with a diameter corresponding to at least the largest diameter of the bolt heads 24. In addition, they each have a section with a much smaller diameter. Due to the projecting through the keyhole-shaped recesses 23 locking pin 22, the locking plate 21 is pivotally mounted about the insertion axis 6 on the front panel 13.
  • An actuator 26 of the front cover latch 20 has a handle in the form of an actuating lever 27.
  • the operating lever 27 is fixed to a support ring 28, which in turn is fixedly connected to the locking plate 21.
  • the front panel 13 is fixed to a C-shaped support arm 29.
  • the support arm 29 engages around a bearing carriage 30 and is pivotally connected thereto via a pivot bearing 31 about a pivot axis 32.
  • the pivot axis 32 extends parallel to the plane of the covered by the front panel 13 tool room side 14 and parallel to the plane of the front panel thirteenth
  • the bearing carriage 30 is arranged displaceably along a displacement axis 33 on a guide rod 34 passing through the bearing carriage 30, which is fastened to the front side 8 of the tool unit 2.
  • the displacement axis 33 is perpendicular to the plane of the covered by the front panel 13 tool room side 14 and perpendicular to the plane of the front panel 13.
  • the bearing carriage 30 is provided with a further handle in the form of a hand lever 35.
  • the bearing carriage 30 and the guide rod 34 form a front cover guide 36 for the front panel 13th
  • An interrogation device 40 for locking interrogation is likewise fastened to the front side 8 of the tool unit 2.
  • the interrogator 40 has a shift sensor 41 and a shift lever 42.
  • the shift lever 42 is fixed to the support ring 28. Its position is therefore determined by the rotational position of the support ring 28 about the insertion axis 6. In the illustrated rotational position of the support ring 28 (locking position) contacted the shift lever 42, the shift sensor 41. In this way, it can be checked whether the front cover latch 20 is locked.
  • FIG. 3 a part of the tool unit 2 is shown in a sectional view along a vertical sectional plane in which the insertion axis 6 extends.
  • the tool space 9 is surrounded by a jaw guide 45, on which the forming tools are mounted radially displaceable.
  • a jaw guide 45 By means of sliding along the insertion axis 6 adjusting wedges, the radial stroke position of the forming tools can be adjusted.
  • the forming tools come in the workpiece machining on the front panel 13 to the system and act on these due to the deflection of the radial forming force by adjusting wedges with considerable axial forces. Both the forming tools and the adjusting wedges are in FIG. 3 but not shown.
  • the drive for the forming tools is designed as a conventional outer rotor ring drive.
  • a roller cage 47 equipped with pressure rollers 46 surrounds the jaw guide 45 centrally about the insertion axis 6.
  • the roller cage 47 is in turn surrounded by a motor-driven external rotor ring 48.
  • the insertion axis 6 consequently also forms a working axis of the tool unit 2.
  • FIG. 3 the locking pins 22 are screwed into the jaw guide 45. They protrude through cylindrical recesses 49 of the front panel 13 through the front panel 13 therethrough.
  • the bolt heads 24 are undercut with a circumferential groove 50.
  • Bolt heads 24 arranged in the portion of the keyhole-shaped recesses 23 on the locking plate 21, which has the smaller diameter, namely just a diameter corresponding to the diameter of the locking pin 22 in the region of the circumferential groove 50 has.
  • the locking plate 21 thus engages behind the bolt heads 24.
  • the flat on the locking plate 21 adjacent front panel 13 can not be removed from the tool room side 14 in the direction of the insertion axis 6 in this position of the locking plate 21 (in FIG. 3 to the left).
  • the locking plate 21 thus assumes a locking position.
  • clamping cylinders 51 are provided on the side facing the tool space 9 side of the front plate 13, which are distributed uniformly around the insertion axis 6.
  • FIG. 3 two of the clamping cylinders 51 are shown.
  • the clamping cylinders 51 are part of the clamping device 53 for securing the front cover lock 20.
  • the front plate 13 is pushed away from the jaw guide 45 by this.
  • the locking plate 21 is pressed onto the undercut bolt heads 24.
  • the locking plate 21 is secured in this manner in the locked position against loosening.
  • clamping cylinder 51 The activation and deactivation of the clamping cylinder 51 by means of a switching valve, not shown.
  • the clamping cylinder 51 z. B. also be arranged such that through them the locking plate 21 is pressed away from the front panel 13, on the bolt heads 24.
  • a support plate 52 for fixing a cooling lubricant return pipe (not shown).
  • the locking plate 21 is arranged in a locking position and secured in this position by means of the clamping device 42.
  • an operator In order to remove the front panel 13 from the tool room side 14, an operator must first deactivate the clamping cylinders 51 by operating the switching valve, not shown.
  • To release the front cover latch 20 can now be the left operating lever 27 by an operator in FIG. 2 to be moved down.
  • a pivoting movement of the locking plate 21 about the insertion axis 6 is effected.
  • the undercut bolt heads 24 are now arranged in the keyhole-shaped recesses 23 in the sections which have a diameter which corresponds to the diameter of the bolt heads 24.
  • the locking plate 21 is arranged in a release position. The front panel 13 is thus unlocked.
  • the front cover unit 11 is again applied in the reverse order to the tool room side 14 and locked at this. There is a query of the locking state of the front cover lock 20 by means of the interrogator 40 and finally the clamping device 53 of the front cover latch 20 is activated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Jigs For Machine Tools (AREA)
EP11711524.6A 2010-04-09 2011-03-28 Werkzeugeinheit einer rundknetmaschine Active EP2555887B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11711524T PL2555887T3 (pl) 2010-04-09 2011-03-28 Zespół narzędziowy kowarki

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010014601A DE102010014601A1 (de) 2010-04-09 2010-04-09 Werkzeugeinheit einer Rundknetmaschine
PCT/EP2011/054696 WO2011124486A1 (de) 2010-04-09 2011-03-28 Werkzeugeinheit einer rundknetmaschine

Publications (2)

Publication Number Publication Date
EP2555887A1 EP2555887A1 (de) 2013-02-13
EP2555887B1 true EP2555887B1 (de) 2014-05-07

Family

ID=44118884

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11711524.6A Active EP2555887B1 (de) 2010-04-09 2011-03-28 Werkzeugeinheit einer rundknetmaschine

Country Status (9)

Country Link
US (1) US9149861B2 (zh)
EP (1) EP2555887B1 (zh)
KR (1) KR101757957B1 (zh)
CN (1) CN102883835B (zh)
DE (1) DE102010014601A1 (zh)
DK (1) DK2555887T3 (zh)
ES (1) ES2488625T3 (zh)
PL (1) PL2555887T3 (zh)
WO (1) WO2011124486A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010014601A1 (de) * 2010-04-09 2011-10-13 Felss Gmbh Werkzeugeinheit einer Rundknetmaschine
KR102046911B1 (ko) 2013-04-15 2019-11-21 한국전자통신연구원 통신 시스템에서 신호 생성 장치 및 방법
USD1009954S1 (en) * 2019-02-27 2024-01-02 Lillbacka Powerco Oy Part of a crimping machine
USD996479S1 (en) * 2019-02-27 2023-08-22 Lillbacka Powerco Oy Crimping machine
USD1009103S1 (en) * 2019-02-27 2023-12-26 Lillbacka Powerco Oy Part of a crimping machine
EP4385640A1 (de) * 2022-12-16 2024-06-19 FELSS Systems GmbH Umformwerkzeug, umformwerkzeuganordnung, umformmaschine, umformverfahren und computerprogramm zum erzeugen eines zylindrischen werkstücks mit einer spiralförmigen aussenkontur durch rundkneten

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1507621A (en) * 1922-01-28 1924-09-09 Torrington Co Swager with wedge motion
US1858733A (en) * 1927-08-31 1932-05-17 Flachbart Julius Tap forming machine
GB466090A (en) * 1935-12-04 1937-05-21 British Thomson Houston Co Ltd Improvements in and relating to swaging machines
JPS59178146A (ja) * 1983-03-25 1984-10-09 Japan Royal Seiki:Kk スウエ−ジング加工方法
DE3925452C1 (zh) * 1989-08-01 1991-04-25 Gebr. Felss Gmbh + Co Kg, 7535 Koenigsbach-Stein, De
DE4002855C1 (en) * 1990-02-01 1991-10-24 Gebr. Felss Gmbh + Co Kg, 7535 Koenigsbach-Stein, De Tool changer for kneading machine - has front cover which swivels and hammer head fitted with trip arm
DE4002854C1 (en) * 1990-02-01 1991-10-24 Gebr. Felss Gmbh + Co Kg, 7535 Koenigsbach-Stein, De Tool changer for kneading machine - has two or more hammer plungers and set jaws with infeed wedges
JP2887513B2 (ja) * 1990-09-07 1999-04-26 株式会社ジャロック スウエージング加工装置
JP2553447B2 (ja) * 1992-12-26 1996-11-13 桂一郎 吉田 スエージングマシンにおける加工方法及び装置
DE19955321B4 (de) * 1999-11-17 2008-02-07 Volkswagen Ag Rundknetmaschine mit hydraulischem Kraftausgleich
CN2877919Y (zh) * 2006-03-20 2007-03-14 西安创新精密仪器研究所 变径旋锻机
CN201147816Y (zh) * 2007-12-24 2008-11-12 金谙工业股份有限公司 锻造部品成型机的可强迫回拉后托装置
DE102010014601A1 (de) * 2010-04-09 2011-10-13 Felss Gmbh Werkzeugeinheit einer Rundknetmaschine

Also Published As

Publication number Publication date
KR20130040879A (ko) 2013-04-24
CN102883835B (zh) 2015-11-25
WO2011124486A1 (de) 2011-10-13
KR101757957B1 (ko) 2017-07-13
DE102010014601A1 (de) 2011-10-13
US9149861B2 (en) 2015-10-06
ES2488625T3 (es) 2014-08-28
CN102883835A (zh) 2013-01-16
PL2555887T3 (pl) 2014-09-30
EP2555887A1 (de) 2013-02-13
US20130055779A1 (en) 2013-03-07
DK2555887T3 (da) 2014-06-30

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