EP2555888A1 - Werkzeugeinheit einer rundknetmaschine - Google Patents
Werkzeugeinheit einer rundknetmaschineInfo
- Publication number
- EP2555888A1 EP2555888A1 EP11711525A EP11711525A EP2555888A1 EP 2555888 A1 EP2555888 A1 EP 2555888A1 EP 11711525 A EP11711525 A EP 11711525A EP 11711525 A EP11711525 A EP 11711525A EP 2555888 A1 EP2555888 A1 EP 2555888A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- forming tools
- tool
- closing pressure
- tool unit
- 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.)
- Granted
Links
- 238000004898 kneading Methods 0.000 title abstract description 11
- 230000001419 dependent effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 20
- 238000007493 shaping process Methods 0.000 abstract 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- 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
-
- 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
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/46—Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups
Definitions
- the invention relates to a tool unit of a rotary swaging machine for forming preferably rod or tubular workpieces, arranged with a plurality of about a working axis
- Forming tools by means of a tool drive radially to
- Adjustment means are whose stroke positions of the forming tools are adjustable so that the forming tools abut each other in a closed state of the forming tools with a dependent of the set stroke positions closing pressure.
- the tool units basically have at least two forming tools which are to be machined Workpiece longitudinal section can completely or partially enclose and at the same time for forming the workpiece with a high-frequency, oscillating, movement against each other radially on the
- the feed process is characterized in this respect by constantly set stroke positions of the forming tools, i. regarding the
- Forming tools by a controlled, the eigentiichen radial oscillation of the forming tools superimposed, radial opening or
- the result of the forming process depends fundamentally on correctly set stroke positions of the forming tools.
- Einstechrundkneten be, for example, those stroke positions of the forming tools, in which the forming tools in a closed state of the forming tools, the so-called closing point abut each other with a dependent of the set stroke positions closing pressure, used as a reference value for the control of the workpiece forming processes.
- the stroke positions of the forming tools while simultaneously manually driving the forming tools are gradually adjusted in the direction of the working axis of the tool unit (so-called, jogging mode) to adjust the closing point until the lifting positions of the
- Forming tools are set such that an operator due to the required for the manual driving of the forming tools
- Kraftvands assumes that a correct, d. H. one for one
- closing point is set.
- This procedure involves the risk of setting the closing point with a too high closing pressure, so that it is in the operation of the
- Machine tool can come.
- the invention has therefore set itself the goal of providing a tool unit according to the preamble of claim 1 and a setting method of a tool unit according to the invention, which have a reduced risk of overloading of components of the tool unit and associated damage.
- the object is achieved by a tool unit having the features specified in claim 1.
- the adjustment method This object is achieved by a method having the features specified in claim 12,
- a measuring device for measuring a parameter is provided in the above-mentioned tool unit, by means of which the resulting in the stroke positions of the U molding tools resulting closing pressure is verifiable.
- the stroke positions of the forming tools of the tool unit can be adjusted in a simple and reproducible manner such that a defined
- Forming products are realized, which is especially in the production of high-precision components with tight tolerances Vorteii.
- measured parameter for checking the closing pressure by the control unit in particular with respect to a Soil Schlots- or setpoint specification, is processable.
- the associated advantage is essentially that the adjustment of the tool unit is facilitated.
- measured values of the measuring device can thus be provided in such a way that they can be made accessible to the operator by a display unit, for example. In this case continues to be a check of the closing pressure by the user, for example based
- Reference value specification can be provided by the control unit based on an evaluation of the measured values of the parameter information. These can, for example, inform about a too low, a correct or too high closing pressure and be made accessible to the operator via an audible or visual display. As a result, the setting of the tool unit is greatly facilitated overall and increases the ease of use. At the same time, the risk of incorrect settings and associated damage to the tool unit is minimized further.
- the tool unit preferably has an operating mode which can be selected via the control unit for checking the closing pressure. This offers the advantage that the risk of overloading the
- the forming tools can in particular either targeted until the
- the forming tools are driven with a sufficiently low number of strokes for a reliable measurement of the parameter, whereby even during the drive of the forming tools occurring dynamic effects, at least partially, can be considered.
- the drive can according to the invention for generating a
- Drive torque for driving the forming tools can be determined provided. On the one hand, this makes possible a construction of the measuring device which is particularly simple in terms of construction, since no plurality of measuring transducers assigned to the respective forming tools are required. In addition, the determination of the drive torque allows a reliable (summed over the forming tools) review of the closing pressure of the forming tools, as this from the in the
- Forming tools introduced drive torque of the
- overloads of the drive train can be prevented.
- Tool drive is provided when driving the forming tools.
- the recording current of the tool drive is on the one hand with the
- Tool unit occurring vibrations largely insensitive and offer a cost advantage due to their free availability on the market, for example, over other more sophisticated means for determining the drive torque.
- Power consumption of the tool unit detects the measuring device preferably additionally a voltage applied to the tool drive respectively operating voltage, by means of which the whetzna hme is arithmetically Mitteilibar.
- the closing pressure is preferably determined by the control unit on the basis of a characteristic curve, preferably defined in the control unit, for the parameter or a characteristic number determined by means of the parameter and
- Closing pressure determinable The characteristic curve describes the relationship between the measured parameter or a characteristic number determined by means of the parameter and the closing pressure of the forming tools and can be stored in the control unit in tabular form or also in the form of a mathematical formula.
- the adjusting means are as a plurality of, preferably guided between the forming dies and these respective associated Hämmerst Schemeeln, adjusting wedges
- the adjusting means are preferably adjustable together according to the invention and for this purpose in particular connected to a SteMstoff, for example a synchronous shaft.
- the risk of an excessively high closing pressure setting is further minimized by the fact that the adjusting means are controllable by means of the control unit as a function of the closing pressure.
- Adjustment position of the infeed means as reference value for the control of the tool unit in a subsequent workpiece forming process can be used, because all the radial dimensions of the by the
- the respective reference value is advantageously automatically to a machine control of
- Rotary swaging machine can be transferred.
- the measuring device and / or the control device is an integral part of a machine control of a rotary kneading unit or can be encompassed by it.
- the tool unit according to the invention may also preferably be designed as an external, internal or double rotor, in particular as a counter rotor, depending on the requirements placed on it.
- Fig. 1 is a perspective view of a tool unit of FIG.
- FIG. 2 is a schematic front view of a kneading apparatus of one of FIGS. 1 corresponding tool unit with four forming tools, which are in closed position;
- FIG. 3 is a schematic sectional view of the in FIG. 2
- Fig. 1 is a total of 10 designated tool unit of only partially reproduced rotary swaging machine 12 for
- the tool unit 10 has a housing 14 with a feed opening 16 arranged on the front side for feeding the workpieces to be reshaped along a working axis designated by 18.
- the housing 14 surrounds a in FIG. 2 closer reproduced kneading 20, which has a plurality of forming tools 22 which are around the
- Working axis 18 are arranged.
- the forming tools 22 are together with hammer plungers 24 are guided in radial recesses 26 of a tool holder 28 designed as a kneading head and can be driven by means of a tool drive 30 (FIG. 1) radially with respect to the working axis 18 with a lifting movement,
- a tool holder 28 concentrically arranged outer ring 32 surrounds the tool holder 28 and thus forms with the
- Tool reinforcement 28 an annular space 34 in which a ls rollers formed pressure members 36 are arranged.
- the tool unit 10 is formed in the embodiment shown here as an external rotor, d. h, the outer ring 32 is through the
- Tool drive 30 (Fig. 1) relative to the tool holder 28 circumferentially driven.
- the hammer plungers 24 protrude into an orbit of the pressure members 36 moved along by the rotation of the outer ring 32 and, in the case of radial alignment with a respective pressure member 36, as shown in FIG. 2, move radially inwardly toward the working axis 18 moves and presses the
- Forming tools 22 intermittently radial in Richtu ng on the
- the forming tools 22 thereby exert on a work along the axis 18 between the forming tools 22 inserted workpiece from a pressure pulse directed against each other, by which the workpiece is formed.
- Forming tools 22 can be several thousand hours per minute during the forming process.
- the tool unit 10 has to adjust the stroke position of
- a plurality of adjusting means 38 formed as an adjusting wedges on.
- the stroke positions of the forming tools 22 are adjustable so that the forming tools 22 in a
- the adjusting means 38 are in the embodiment shown here parallel to the working axis 18 in the direction of the highly schematic representation in FIG. 3 directional arrows designated 39
- the adjusting means are, as can be seen in particular from FIG. 3, in a conventional manner in each case between one of the forming tools 22 and the
- each associated hammer plunger 24 is arranged and guided in axial recesses of the tool holder 28 (not shown).
- the adjusting means 38 are also arranged in each case with its insertion opening 16 facing away from the end of a not shown in detail in the drawing synchronous shaft and axially displaceable together by this.
- the tool unit 10 according to the invention also has a
- Measuring device 40 which for determining a respective electrical power consumption of the tool drive 30 a respective
- the power consumption of the tool drive 30 is proportional to the closing pressure of the forming tools 22 derived from a drive torque of the tool drive, so that the closing pressure resulting in the set stroke positions of the forming tools 22 in the
- the control unit 42 checks the closing pressure in relation to a presettable by the control unit 42 closing pressure setpoint based on a respective defined in the control unit 42 characteristic curve, from which the
- the adjusting means 38 (FIG. 2) can be controlled with respect to their displacement or their displacement position by means of the control unit 42 as a function of the setpoint specification.
- the tool unit 10 For checking the closing pressure, the tool unit 10
- the rotary tools 22 are opposite one the Hubzahien lower Hubzahi used for the forming processes drivable.
- Rotary kneading machine 12 as a reference value for the control of
- subsequent workpiece-forming processes can be automatically transferred, on the basis of which radial dimensions of a formed product to be produced can be defined.
- the tool unit 10 can in the context of the invention, depending on the requirements placed on them as indoor or as
- Double rotor, in particular counter-rotor be formed.
- Forming tools 22 as a function of the setting of the stroke positions of the forming tools 22 or during the establishment of a tool unit 10 according to FIGS. 1 to 3 briefly outlined.
- Forming process required forming tools 22 is a target value of the closing pressure of the forming tools 22 in the closing of the
- an operating mode of the tool unit provided for closing pressure control is used to check the closing pressure 10 via the control unit 42 on or selected, whereby the outer ring 32 is placed over the tool drive 30 for checking the closing pressure in a relative (slow) rotational movement, in which the determination of the power consumption of the tool drive, ie the detection of power consumption and the applied operating voltage and possible risks of overloading the
- Tool unit 10 are minimized.
- the stroke position of the forming tools 22 is not delivered at this time in the direction of the working axis 18, d. H. the forming tools 22 are located to this
- the adjusting means 38 are now from the control unit 44 via the
- Synchronous shaft (not shown) controlled so that the adjusting means 38 by means of the synchronous shaft continuously or stepwise to
- Adjustment of the stroke position of the forming tools 22 are adjusted in the direction of the working axis 18.
- the adjusting means 38 are displaced for this purpose in the direction of the insertion opening 16 of the housing 14 (FIG. 1) of the tool unit 10, wherein the receiving current and the operating voltage of the tool drive 30 during simultaneous rotation of the outer ring 32 measured by the measuring device 40 and from these parameters Power consumption of the tool drive 30 is determined.
- the power consumption dew tool drive determined from the pickup current and the operating voltage of the tool drive 30 is compared with the closing pressure command value on the basis of the characteristic curve defined in the control unit 44.
- Closing pressure solver correlating nurseaufna hme of Tool drive 30 is the Versannon the adjustment means 38 in
- the setting position of the setting means 38 or the synchronous in the stroke positions of the forming tools thus defined are automatically transferred to the machine controller 44 of the rotary swaging machine 12 as a reference value for the control of subsequent workpiece forming processes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Control Of Presses (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL11711525T PL2555888T3 (pl) | 2010-04-09 | 2011-03-28 | Jednostka narzędziowa kowarki obrotowej |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010014602A DE102010014602A1 (de) | 2010-04-09 | 2010-04-09 | Werkzeugeinheit einer Rundknetmaschine |
| PCT/EP2011/054697 WO2011124487A1 (de) | 2010-04-09 | 2011-03-28 | Werkzeugeinheit einer rundknetmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2555888A1 true EP2555888A1 (de) | 2013-02-13 |
| EP2555888B1 EP2555888B1 (de) | 2014-06-04 |
Family
ID=44118885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11711525.3A Not-in-force EP2555888B1 (de) | 2010-04-09 | 2011-03-28 | Werkzeugeinheit einer rundknetmaschine |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20130067977A1 (de) |
| EP (1) | EP2555888B1 (de) |
| KR (1) | KR20130040884A (de) |
| CN (1) | CN102834199B (de) |
| DE (1) | DE102010014602A1 (de) |
| DK (1) | DK2555888T3 (de) |
| ES (1) | ES2498922T3 (de) |
| PL (1) | PL2555888T3 (de) |
| WO (1) | WO2011124487A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493243A (zh) * | 2016-09-29 | 2017-03-15 | 汪卓杰 | 一种方管压花机 |
| CN107030241A (zh) * | 2017-04-28 | 2017-08-11 | 西北有色金属研究院 | 一种旋锻机用模具及其制造方法 |
| CN108188318A (zh) * | 2017-12-28 | 2018-06-22 | 天津中嘉利达机械部件有限公司 | 输出轴高速截断装置 |
| KR102267911B1 (ko) | 2019-11-01 | 2021-06-22 | 리녹스 주식회사 | 테이퍼 형상 가공이 가능한 다단 스웨이징 장치 |
| DE102022214205A1 (de) * | 2022-12-21 | 2024-06-27 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Bereitstellen von Kennzahlen für einen Benutzer wenigstens eines Elektrowerkzeugs |
| KR20250105036A (ko) | 2023-12-29 | 2025-07-08 | 한국오에스지 주식회사 | 미끄럼방지 홈을 갖는 높이조절부재를구비한 스웨이징 성형공구 |
| KR102914273B1 (ko) * | 2024-11-13 | 2026-01-19 | 주식회사 다스코 | Shell and Tube type 열교환기의 효율향상을 위한 Innerfin Tube 제조방법 |
| CN119927112A (zh) * | 2025-04-09 | 2025-05-06 | 宁波蜗牛锻造有限公司 | 一种汽车轻量化电机轴锻造成型设备 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59178146A (ja) * | 1983-03-25 | 1984-10-09 | Japan Royal Seiki:Kk | スウエ−ジング加工方法 |
| 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 |
| CN2743060Y (zh) * | 2004-06-03 | 2005-11-30 | 王彦彬 | 一种锻造机的旋锻装置 |
| CN2877919Y (zh) * | 2006-03-20 | 2007-03-14 | 西安创新精密仪器研究所 | 变径旋锻机 |
-
2010
- 2010-04-09 DE DE102010014602A patent/DE102010014602A1/de not_active Withdrawn
-
2011
- 2011-03-28 EP EP11711525.3A patent/EP2555888B1/de not_active Not-in-force
- 2011-03-28 US US13/640,075 patent/US20130067977A1/en not_active Abandoned
- 2011-03-28 WO PCT/EP2011/054697 patent/WO2011124487A1/de not_active Ceased
- 2011-03-28 KR KR1020127029362A patent/KR20130040884A/ko not_active Withdrawn
- 2011-03-28 DK DK11711525.3T patent/DK2555888T3/da active
- 2011-03-28 ES ES11711525.3T patent/ES2498922T3/es active Active
- 2011-03-28 PL PL11711525T patent/PL2555888T3/pl unknown
- 2011-03-28 CN CN201180017701.0A patent/CN102834199B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011124487A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102834199B (zh) | 2015-07-29 |
| DE102010014602A1 (de) | 2011-10-13 |
| EP2555888B1 (de) | 2014-06-04 |
| PL2555888T3 (pl) | 2014-11-28 |
| KR20130040884A (ko) | 2013-04-24 |
| CN102834199A (zh) | 2012-12-19 |
| WO2011124487A1 (de) | 2011-10-13 |
| US20130067977A1 (en) | 2013-03-21 |
| ES2498922T3 (es) | 2014-09-26 |
| DK2555888T3 (da) | 2014-09-08 |
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