WO2012056066A1 - Mecanismo de retardo de un vástago principal de un resorte de gas - Google Patents
Mecanismo de retardo de un vástago principal de un resorte de gas Download PDFInfo
- Publication number
- WO2012056066A1 WO2012056066A1 PCT/ES2011/070594 ES2011070594W WO2012056066A1 WO 2012056066 A1 WO2012056066 A1 WO 2012056066A1 ES 2011070594 W ES2011070594 W ES 2011070594W WO 2012056066 A1 WO2012056066 A1 WO 2012056066A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- main rod
- rod
- chamber
- gas
- wall
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0236—Telescopic characterised by having a hollow piston rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
- F16F9/486—Arrangements for providing different damping effects at different parts of the stroke comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod
Definitions
- the present invention is framed in the field of stamping manufacturing systems.
- the object of the invention consists in a mechanism that allows to increase the production and decrease the time in which parts are manufactured by stamping, by controlling the working speeds of the elements of the dies.
- Gas springs have been used as an elastic force limitation element in sheet metal stamping processes for some time.
- the delay systems of a gas spring allow that once the recoil of the press has begun, the rod recovers its position in a certain time, greater than what it takes to return the press, and at a constant speed.
- the onset of recovery can even be delayed by keeping the stem completely stopped (WO90 / 15267), and subsequently making its return at a constant speed.
- the delay system with variable speed recoil allows a delay control that is crucial in the first part of the recoil, since once part of the race has been recovered it can already return to the initial position faster, which would allow the increase in the number of pieces to be produced at the same time, that is, the increase in productivity.
- the purpose of the invention is to allow said productivity increase, so that the retraction of the stem is not carried out at a constant speed, but that the final part of retraction is faster.
- the invention consists in fixing an inner rod to the base of the spring, with a height such that the closing gasket disposed inside the piston is only in contact with said inner rod during a movement less than that of the cylinder stroke.
- this hollow inner rod there is a throttling to the passage of the gas, the so-called first step, and where a valve that allows a closure to the passage of gas operable from the outside can be housed.
- a first chamber is formed by the volume between the body, the bottom face of the plunger and the inner rod;
- a second chamber corresponds to the volume of the emptying that has the main rod limited by the upper face of the inner rod and
- a third chamber is formed by the volume comprised between the body, the outer side face of the main rod and the upper face of the plunger.
- This third chamber is communicated with the second chamber by the second step, which is one or more holes made radially in the rod.
- the first step is arranged, which is the communication between the first and second chamber, by inserting a throttle that can be interchangeable, defined by a cover with a very small hole that is fixed to the inner rod.
- a throttle that can be interchangeable
- the piston there are two gaskets to the passage of the gas, one outer that closes against the body and another inner that closes against the inner rod, in addition to non-return valves that only allow gas to pass through them when the rod passes from its extended position to the position corresponding to the compressed spring.
- the gas on its way to recover the spring to its resting position, has to pass from the third chamber to the second chamber, and from there to the first chamber.
- the speed of recovery of the rod to its extended position depends mainly on the pressure differences between chambers 1 and 3, so that the greater this difference, the slower it will rise.
- the passage section of First step must be lower than the step section of the second step, so the second speed is faster than the first.
- Both the first rise speed and the second rise speed are determined by sizing the section of the first and second steps respectively, and the time at which the change from one speed to another occurs during the recovery of the main stem It is determined with the length of the inner stem.
- Figure 1. Shows a section of the mechanism object of the invention in compressed spring position.
- Figure 2. Shows a section of the mechanism object of the invention in an extended position.
- a first chamber (2), a second chamber are defined (3) and a third chamber (4) in said body (5) where the gas is housed.
- the first chamber (2) is formed by the volume between the body (5), the lower face of a plunger (6) and an inner rod (7) fixed to a base (9) of the spring.
- the second chamber (3) corresponds to the volume of the emptying that has the main rod (1) or limited by the upper face of the inner rod (7).
- a first step (8) which is a communication between the chambers (2,3), by inserting an interchangeable choke, which is a lid with a very small hole that an inner shut-off valve (11) can be attached to the inner rod (7) additionally inside said inner rod (7).
- the third chamber (4) is formed by the volume between the body (5), the outer side face of the main rod (1) and the upper face of the plunger (6).
- This third chamber (4) is communicated with the second chamber (3) by a second step (10), which is defined by one or more holes made 0 radially in the main rod (1).
- the gas on its way to recover the spring from its resting position, must pass from the third chamber (4) to the second chamber (3), and from there to the first chamber (2).
- the speed of recovery of the main rod (1) to its extended position depends mainly on the pressure differences between the first chamber (2) and the third chamber (4), so that the greater this difference, the slower it will rise.
- the speed control is regulated by the gas passage section between the chambers (2,3,4).
- the step section of the first step (8) must be smaller than the step section of the second step (10), which is defined by one or more holes made in the wall of the main rod (1) perpendicular to the axis of revolution of said main rod (1), so the second speed is faster than the first.
- the shut-off valve (11) it conducts the gas through the first step (8) upon receiving an opening signal.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013535469A JP2013542385A (ja) | 2010-10-29 | 2011-08-10 | ガススプリングのメインロッドの遅延機構 |
US13/882,235 US9279469B2 (en) | 2010-10-29 | 2011-08-10 | Delay mechanism of a main rod of a gas spring |
BR112013010450A BR112013010450A2 (pt) | 2010-10-29 | 2011-08-10 | mecanismo de retardamento de uma haste principal de uma mola de gás |
ES11776816.8T ES2532358T3 (es) | 2010-10-29 | 2011-08-10 | Mecanismo de retardo de un vástago principal de un resorte de gas |
EP11776816.8A EP2634450B1 (en) | 2010-10-29 | 2011-08-10 | Delay mechanism of a main rod of a gas spring |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP201031601 | 2010-10-29 | ||
ES201031601A ES2358664B8 (es) | 2010-10-29 | 2010-10-29 | Mecanismo de retardo de vástago de un resorte de gas. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012056066A1 true WO2012056066A1 (es) | 2012-05-03 |
Family
ID=43901682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2011/070594 WO2012056066A1 (es) | 2010-10-29 | 2011-08-10 | Mecanismo de retardo de un vástago principal de un resorte de gas |
Country Status (6)
Country | Link |
---|---|
US (1) | US9279469B2 (es) |
EP (1) | EP2634450B1 (es) |
JP (1) | JP2013542385A (es) |
BR (1) | BR112013010450A2 (es) |
ES (2) | ES2358664B8 (es) |
WO (1) | WO2012056066A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013171349A1 (es) * | 2012-05-18 | 2013-11-21 | Azol-Gas, S. L. | Resorte de gas con sistema de retardo del retorno del vástago |
Families Citing this family (10)
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---|---|---|---|---|
US9950202B2 (en) | 2013-02-01 | 2018-04-24 | 3M Innovative Properties Company | Respirator negative pressure fit check devices and methods |
US11052268B2 (en) | 2013-02-01 | 2021-07-06 | 3M Innovative Properties Company | Respirator negative pressure fit check devices and methods |
US9517367B2 (en) | 2013-02-01 | 2016-12-13 | 3M Innovative Properties Company | Respiratory mask having a clean air inlet chamber |
US11219787B2 (en) | 2016-03-28 | 2022-01-11 | 3M Innovative Properties Company | Respirator fit check sealing devices and methods |
US11020619B2 (en) | 2016-03-28 | 2021-06-01 | 3M Innovative Properties Company | Multiple chamber respirator sealing devices and methods |
USD842982S1 (en) | 2016-03-28 | 2019-03-12 | 3M Innovative Properties Company | Hardhat suspension adapter for half facepiece respirators |
USD816209S1 (en) | 2016-03-28 | 2018-04-24 | 3M Innovative Properties Company | Respirator inlet port connection seal |
USD827810S1 (en) | 2016-03-28 | 2018-09-04 | 3M Innovative Properties Company | Hardhat suspension adapter for half facepiece respirators |
CN108679142B (zh) * | 2018-06-29 | 2023-07-21 | 东莞市博鼎精密机械制造有限公司 | 一种新型可控延时回弹氮气弹簧 |
US10995695B1 (en) * | 2019-09-28 | 2021-05-04 | Dennis J. Hilgendorf | Low temperature pallet stacker |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990015267A1 (en) | 1989-06-02 | 1990-12-13 | Strömsholmens Mekaniska Verkstad Ab | Arrangement for a gas spring |
DE10024499A1 (de) * | 2000-05-21 | 2001-11-29 | Forschungsges Umformtechnik | Gasdruckzylinder, insbesondere in der Art einer Stickstofffeder |
EP1555453A1 (en) * | 2004-01-15 | 2005-07-20 | BORDIGNON SILVANO S.p.A | Gas spring with a variably slowed-down operating pattern |
EP1653116A2 (en) * | 2004-10-19 | 2006-05-03 | Silvano Bordignon | Air spring with guided stroke feature |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7311434A (nl) * | 1973-08-20 | 1975-02-24 | Itt | Hydraulische telescopische schokdemper waarbij de demping afhangt van de plaats van de zuiger in de cilinder. |
FR2411341A1 (fr) * | 1977-12-12 | 1979-07-06 | Messier Hispano Sa | Suspension oleopneumatique a orifices de laminage variables, notamment pour trains d'atterrissage d'aerodynes |
US5275387A (en) * | 1992-04-09 | 1994-01-04 | Power Components, Inc. | Gas spring |
EP1500843A3 (en) * | 2000-08-29 | 2005-06-22 | Bordignon Silvano S.p.A. | Apparatus including a controlled-recovery pneumatic spring. |
FR2821401B1 (fr) * | 2001-02-23 | 2003-10-03 | Orflam Ind | Ressort a gaz muni d'un organe de securite inviolable |
ITPN20040034A1 (it) * | 2004-05-20 | 2004-08-20 | Bordignon Silvano Spa | Molla pneumatica con oltrecorsa perfezionata |
-
2010
- 2010-10-29 ES ES201031601A patent/ES2358664B8/es not_active Expired - Fee Related
-
2011
- 2011-08-10 JP JP2013535469A patent/JP2013542385A/ja not_active Ceased
- 2011-08-10 EP EP11776816.8A patent/EP2634450B1/en active Active
- 2011-08-10 ES ES11776816.8T patent/ES2532358T3/es active Active
- 2011-08-10 US US13/882,235 patent/US9279469B2/en active Active
- 2011-08-10 WO PCT/ES2011/070594 patent/WO2012056066A1/es active Application Filing
- 2011-08-10 BR BR112013010450A patent/BR112013010450A2/pt not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990015267A1 (en) | 1989-06-02 | 1990-12-13 | Strömsholmens Mekaniska Verkstad Ab | Arrangement for a gas spring |
DE10024499A1 (de) * | 2000-05-21 | 2001-11-29 | Forschungsges Umformtechnik | Gasdruckzylinder, insbesondere in der Art einer Stickstofffeder |
EP1555453A1 (en) * | 2004-01-15 | 2005-07-20 | BORDIGNON SILVANO S.p.A | Gas spring with a variably slowed-down operating pattern |
EP1653116A2 (en) * | 2004-10-19 | 2006-05-03 | Silvano Bordignon | Air spring with guided stroke feature |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013171349A1 (es) * | 2012-05-18 | 2013-11-21 | Azol-Gas, S. L. | Resorte de gas con sistema de retardo del retorno del vástago |
Also Published As
Publication number | Publication date |
---|---|
ES2532358T3 (es) | 2015-03-26 |
US9279469B2 (en) | 2016-03-08 |
EP2634450B1 (en) | 2014-12-10 |
BR112013010450A2 (pt) | 2017-07-18 |
ES2358664B8 (es) | 2013-05-21 |
JP2013542385A (ja) | 2013-11-21 |
US20130269513A1 (en) | 2013-10-17 |
ES2358664A1 (es) | 2011-05-12 |
EP2634450A1 (en) | 2013-09-04 |
ES2358664B1 (es) | 2012-03-22 |
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