EP3417178B1 - Gleichgangzylinder für strangpressanlagen - Google Patents
Gleichgangzylinder für strangpressanlagen Download PDFInfo
- Publication number
- EP3417178B1 EP3417178B1 EP17702621.8A EP17702621A EP3417178B1 EP 3417178 B1 EP3417178 B1 EP 3417178B1 EP 17702621 A EP17702621 A EP 17702621A EP 3417178 B1 EP3417178 B1 EP 3417178B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- bypass
- synchronous
- synchronous cylinder
- pressure chambers
- 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
Links
- 238000001125 extrusion Methods 0.000 title description 15
- 230000001360 synchronised effect Effects 0.000 claims description 58
- 239000012530 fluid Substances 0.000 claims description 49
- 238000003825 pressing Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000005923 long-lasting effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
- F15B2211/7054—Having equal piston areas
Definitions
- a hydraulic fluid connection is preferably provided with a hydraulic fluid line which pierces the cylinder lock and / or the cylinder head support of the corresponding end side.
- the hydraulic fluid line with the hydraulic fluid connection is in fluid connection with the corresponding pressure chamber and supplies it with hydraulic fluid.
- FIG 4 shows an alternative embodiment of a synchronous cylinder 1 according to the invention, in which, unlike in the first embodiment according to FIGS Figures 1 to 3 a bypass device 50 in the form of a bypass line 103 is arranged outside the housing and connects the pressure chambers 42 to one another via respective bypass valves 52.
- the bypass line 103 replaces the annular gap between the outer cylinder 10 and the inner cylinder 20 according to the embodiments of FIG Figures 1 to 3 .
- the bypass line 103 has the same technical effects as the annular gap 51 according to the embodiments of FIG Figures 1 to 3 .
- the Figure 5 shows an embodiment of a synchronous cylinder 1 not according to the invention in a side view and one along the line AA from Figure 5 sectioned frontal view. From the front view according to Figure 5b it can be seen that four bypass lines 103a-d are arranged inside the housing of the synchronous cylinder 1 outside the outer cylinder 10. These bypass lines 103a-d replace the bypass line 103 according to FIG Figure 4 in its entirety the annular gap 51 according to the embodiments of FIG Figures 1 to 3 .
- the bypass lines 103a-d connect in the same way as the bypass line 103 according to FIG Figure 4 the pressure chambers 42 of the synchronous cylinder 1.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
- Press Drives And Press Lines (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016202357 | 2016-02-16 | ||
DE102016214767.6A DE102016214767A1 (de) | 2016-02-16 | 2016-08-09 | Gleichgangzylinder für Strangpressanlagen |
PCT/EP2017/052135 WO2017140499A1 (de) | 2016-02-16 | 2017-02-01 | Gleichgangzylinder für strangpressanlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3417178A1 EP3417178A1 (de) | 2018-12-26 |
EP3417178B1 true EP3417178B1 (de) | 2021-04-14 |
Family
ID=59410422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17702621.8A Active EP3417178B1 (de) | 2016-02-16 | 2017-02-01 | Gleichgangzylinder für strangpressanlagen |
Country Status (9)
Country | Link |
---|---|
US (1) | US10670052B2 (es) |
EP (1) | EP3417178B1 (es) |
JP (1) | JP6851388B2 (es) |
KR (1) | KR102166035B1 (es) |
CN (1) | CN108603521B (es) |
DE (1) | DE102016214767A1 (es) |
ES (1) | ES2880351T3 (es) |
TW (1) | TW201738010A (es) |
WO (1) | WO2017140499A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019007754A1 (de) * | 2019-11-08 | 2021-05-12 | Bümach Engineering International B.V. | Arbeitszylinder und Verfahren zu dessen Herstellung |
CN113389767A (zh) * | 2021-07-23 | 2021-09-14 | 中国科学院合肥物质科学研究院 | 一种长冲程大缸径结构双作用式气动执行器及其控制系统 |
WO2023107388A1 (en) * | 2021-12-06 | 2023-06-15 | Woodward, Inc. | Fluid actuator |
US11867072B2 (en) * | 2021-12-06 | 2024-01-09 | Woodward, Inc. | On-line verifiable trip and throttle valve actuator |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE920709C (de) | 1950-05-03 | 1954-11-29 | Eduard Neumann | Hydraulischer Stossdaempfer fuer Strassen- oder Schienenfahrzeuge |
JPS5416078A (en) * | 1977-07-06 | 1979-02-06 | Nomura Yoshihisa | Two stages speed changable plural motion cylinder |
JPS5872509U (ja) * | 1981-11-11 | 1983-05-17 | オカダ鑿岩機株式会社 | 油圧シリンダの破損防止装置 |
US4876906A (en) * | 1986-11-20 | 1989-10-31 | Sundstrand Corporation | Non-jamming actuator system |
DE3801684A1 (de) * | 1988-01-21 | 1989-07-27 | Huperz Adalbert | Hydraulik - zylinder mit formstabiler kolbenfuehrung |
DE3836702C1 (en) | 1988-10-28 | 1989-09-14 | Hasenclever Maschf Sms | Extrusion press for indirect extrusion of metal |
DE19511522C1 (de) * | 1995-03-29 | 1996-07-18 | Fluidtech Gmbh | Rastschaltvorrichtung |
US5727444A (en) * | 1996-02-20 | 1998-03-17 | Dietrich; Otto E. | Power steering cylinder assembly |
US6058826A (en) * | 1998-06-08 | 2000-05-09 | Dietrich; Otto E. | Power steering cylinder assembly |
DE19925600A1 (de) * | 1999-06-04 | 2000-12-14 | Sbs Sondermaschinen Gmbh | Leichtbau-Hydraulikzylinder mit Zugankern |
CN2603871Y (zh) * | 2003-02-04 | 2004-02-18 | 张书奇 | 液压自动往复油缸 |
US8015913B2 (en) * | 2004-03-10 | 2011-09-13 | Sunstream Scientific, Inc. | Pneumatic cylinder for precision servo type applications |
WO2006129746A1 (ja) * | 2005-06-02 | 2006-12-07 | Amada Company, Limited | ラム位置検出方法、ラム駆動方法及びラム駆動装置並びにそれを備えたプレス機械 |
JP5401678B2 (ja) | 2009-02-09 | 2014-01-29 | 株式会社イデアルスター | 透析患者用プローブガーゼおよび透析患者用判定器 |
DE102010034610A1 (de) * | 2010-08-18 | 2012-02-23 | Robert Bosch Gmbh | Hydraulischer Linearantrieb |
CN202510454U (zh) * | 2012-01-11 | 2012-10-31 | 河北凯恩机电设备有限公司 | 一种双作用截面组合液压缸 |
DE102012009182A1 (de) * | 2012-05-10 | 2013-11-14 | Sms Meer Gmbh | Hydraulische Strangpresse sowie Verfahren zum Betrieb einer hydraulischen Strangpresse |
DE102012012142A1 (de) * | 2012-06-20 | 2013-12-24 | Robert Bosch Gmbh | Hydraulische Stelleinrichtung |
WO2016171594A1 (en) * | 2015-04-21 | 2016-10-27 | Saab Ab | A fluid actuator arrangement |
CN105221514B (zh) * | 2015-09-29 | 2017-03-29 | 中国船舶重工集团公司第七一九研究所 | 一种具有双向压力安全保护的集成液压缸 |
-
2016
- 2016-08-09 DE DE102016214767.6A patent/DE102016214767A1/de not_active Withdrawn
-
2017
- 2017-02-01 ES ES17702621T patent/ES2880351T3/es active Active
- 2017-02-01 US US16/066,701 patent/US10670052B2/en active Active
- 2017-02-01 JP JP2018543196A patent/JP6851388B2/ja active Active
- 2017-02-01 EP EP17702621.8A patent/EP3417178B1/de active Active
- 2017-02-01 CN CN201780010751.3A patent/CN108603521B/zh active Active
- 2017-02-01 WO PCT/EP2017/052135 patent/WO2017140499A1/de active Application Filing
- 2017-02-01 KR KR1020187021301A patent/KR102166035B1/ko active IP Right Grant
- 2017-02-07 TW TW106103952A patent/TW201738010A/zh unknown
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
US10670052B2 (en) | 2020-06-02 |
ES2880351T3 (es) | 2021-11-24 |
JP6851388B2 (ja) | 2021-03-31 |
JP2019511681A (ja) | 2019-04-25 |
TW201738010A (zh) | 2017-11-01 |
US20190017522A1 (en) | 2019-01-17 |
DE102016214767A1 (de) | 2017-08-17 |
KR20180098346A (ko) | 2018-09-03 |
KR102166035B1 (ko) | 2020-10-15 |
EP3417178A1 (de) | 2018-12-26 |
WO2017140499A1 (de) | 2017-08-24 |
CN108603521B (zh) | 2021-06-04 |
CN108603521A (zh) | 2018-09-28 |
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