CN103786359A - Mechanical press adapted for forming processes, and method - Google Patents

Mechanical press adapted for forming processes, and method Download PDF

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Publication number
CN103786359A
CN103786359A CN201310520814.3A CN201310520814A CN103786359A CN 103786359 A CN103786359 A CN 103786359A CN 201310520814 A CN201310520814 A CN 201310520814A CN 103786359 A CN103786359 A CN 103786359A
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China
Prior art keywords
hydraulic pressure
pressure chamber
punching machine
fluid
dead center
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CN201310520814.3A
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Chinese (zh)
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CN103786359B (en
Inventor
A·阿兰布卢·伊拉斯托萨
U·阿尔加拉特·贝拉特吉
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Spanish Law Gesaida Co
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Fagor S Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
    • B30B15/0041—Control arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/281—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices
    • B30B15/284—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices releasing fluid from a fluid chamber subjected to overload pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/34—Heating or cooling presses or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Control Of Presses (AREA)

Abstract

The present invention relates to a mechanical press adapted for forming processes, and a method. The mechanical press comprises a top die and a bottom die adapted for forming a piece between both, a motor for causing the movement of at least one of them with respect to the other, a crankshaft coupled to the motor, and a mechanism transforming the rotary movement of the crankshaft into linear movement of said die. The press further comprises a hydraulic chamber (4) for damping or absorbing possible overloads during forming, and an actuator device for causing at least part of the fluid present in the hydraulic chamber (4) to be discharged when the press is at bottom dead center in which the piece is formed between the dies, and causing at least part of said fluid to return to the hydraulic chamber (4) once the press leaves bottom dead center.

Description

Be suitable for punching machine and the method for forming process
Technical field
The present invention relates to be suitable for the punching machine of forming process, described forming process is such as being punching press or forging, in described punching press or forging process, the mould of described punching machine must keep closing certain hour, described forming process is in particular drop stamping process, in this drop stamping process, the parts of formed thereby are cooled in closed mould.
Background technology
Known such punching machine, this punching machine comprises: be arranged in the counterdie in base; Comprise the top of the patrix that can move with respect to base along guiding piece; Drive the motor of described forcing press; And bent axle, described motor arrangement becomes to be attached to bent axle by transmission device.This punching machine also comprises the mechanism that bent axle is attached to the bracket that supplies fixing patrix, thereby the motion of bent axle is sent to patrix, and described bracket moves along described guiding piece.
Be suitable for such as the running and not stopping in lower dead center continuously conventionally of the punching machine of the forming process of punching press or forging.But in the time carrying out drop stamping, actual mould is responsible for the parts of cooling formed thereby sometimes, and forcing press must keep the stipulated time in lower dead center for this reason.This situation is problematic in the time of starting pressure machine again, and this is because described mechanism must withstand huge stress and may be final destroyed or excessively worsen.
The document US20120192615A1 that belongs to the applicant discloses a kind of punching machine that is suitable for drop stamping, and in drop stamping, this forcing press keeps the stipulated time in lower dead center.For this reason, forcing press comprises the lubricating bearings that is attached to described mechanism, in this mechanism, is accommodated with bent axle.In the time that forcing press starts, lubricating bearings is withstood stress because of it by over-lubrication, makes described mechanism can finally not destroy or excessively worsen because of these startups.
Summary of the invention
The object of the present invention is to provide a kind of punching machine that is suitable for particularly hot forming process of forming process.
Punching machine according to the present invention is suitable for forming process, is particularly suitable for hot forming process, and this punching machine comprises: upper die and lower die, and described patrix and described counterdie are suitable in the time that they are closed each other molded component between them; Motor, described motor is for making this cause at least one mould motion of mould; Be attached to the bent axle of described motor; And a mechanism, described mechanism is suitable for one of them mould to be attached to described bent axle, thereby in the time that described bent axle moves, makes described mould motion.
Described forcing press also comprises: hydraulic pressure chamber, and described hydraulic pressure chamber is arranged in the bottom of described mechanism and sentences decay or absorb overload; And actuating device, described actuating device is suitable at least a portion that is present in the fluid in described hydraulic pressure chamber being discharged at described forcing press during in lower dead center from described hydraulic pressure chamber, and once described forcing press leaves actuating device described in lower dead center and just makes at least a portion of described fluid turn back to described hydraulic pressure chamber, wherein, at lower dead center place, described parts are shaped between these moulds.
Therefore described forcing press during in lower dead center place by described fluid is discharged from described hydraulic pressure chamber, the power again to start described machine that must be applied by described mechanism reduces, thereby prevents or greatly reduce when carrying out the finally risk of destroyed or excessive deterioration of mechanism described in described when operation.
Another object of the present invention is to provide a kind of for utilizing the method for punching machine thermoformed components, and described punching machine comprises: upper die and lower die, and described patrix and described counterdie are suitable in the time that they are closed each other molded component between them; And mechanism, described mechanism is suitable for along with its motion and at least one mould that is shifted.
Described method comprises: forming step, and in described forming step, these moulds are closed each other with molded component; Cooling step, in described cooling step, these moulds keep at lower dead center place closing, and in this lower dead center, described parts are shaped between these moulds; And retreat step, and retreating in step described, these moulds are opened.
Described method also comprises: discharge step, described discharge step occurs during described cooling step, and in described discharge step, at least a portion of the fluid existing in the hydraulic pressure chamber being associated with described mechanism is discharged from described hydraulic pressure chamber; And filling step, described filling step occurs during retreating step described, and in described filling step, at least a portion of the fluid of described discharge is filled described hydraulic pressure chamber again.Therefore, by discharging described fluid from described hydraulic pressure chamber, the power again to start described machine that must be applied by described mechanism reduces, thereby has prevented or greatly reduced in the risk of carrying out the final destroyed or excessive deterioration of mechanism described in described when operation.
With reference to the accompanying drawings with detailed description of the present invention, these and other advantage of the present invention and feature will become obvious.
Accompanying drawing explanation
Fig. 1 shows the cutaway view in the situation that there is no circuit according to the preferred embodiment of punching machine of the present invention.
Fig. 2 shows the cutaway view of the details of the punching machine of Fig. 1, wherein shows hydraulic pressure chamber.
Fig. 3 schematically shows the cutaway view of Fig. 2 in the situation that having hydraulic circuit.
The specific embodiment
A first aspect of the present invention relates to and is suitable for forming process, the punching machine 100 of particularly hot forming process.See figures.1.and.2, show the preferred embodiment of punching machine 100 by example, punching machine 100 comprises: on it, be furnished with the mounting table 2 and the bracket 3 that is fixed with patrix 3b of counterdie 2b, described mould is suitable for molded component between them in the time that they are closed; Motor, this motor is not drawn in the accompanying drawings, for making at least one mould of mould 2b and 3b with respect to another mould 2b or 3b motion, makes them close each other or open; Be attached to the bent axle 6 of this motor; And mechanism 8, at least one mould in mould 2b and 3b utilizes this mechanism 8 to be attached to rotatablely moving of bent axle 6 and bent axle 6 to be converted into the linear movement of at least one mould 2b or 3b.Mechanism 8 can be for example crank-links type or connecting rod drive type.For the sake of clarity, hereinafter should be noted that, patrix 3b moves the mould with molded component towards counterdie 2b, but the invention is not restricted to this structure but also relate to other arbitrary selection in selecting (counterdie 2b is mobile mould, or two mould 2b and 3b move).
In 100 operating periods of punching machine, this punching machine changes rotatablely moving of bent axle 6 into by means of mechanism 8 linear movement of patrix 3b, thereby change the power being produced along its stroke by described punching machine 100 according to angle of application, maximum, force produces at the lower dead center place of described punching machine 100, at this lower dead center place, mould 2b contacts (or only by the parts that are formed separately) with 3b.
Punching machine 100 of the present invention is suitable for working in the forming process such as drop stamping or forging, in described drop stamping or forging, parts to be formed are cooling between patrix 3b and counterdie 2b, that is, punching machine 100 keeps the stipulated time so that cooling-part at lower dead center place.Therefore, bent axle 6 is operated must withstand in the time that counterdie 2b separates patrix 3b heavily stressed at it.
Punching machine 100 comprises: hydraulic pressure chamber 4, and the bottom that this hydraulic pressure chamber is arranged in mechanism 8 is sentenced in molded component decay or is absorbed possible overload; And actuating device, this actuating device is suitable at punching machine 100 in lower dead center (in this lower dead center, molded component between mould 2b and 3b) time at least a portion that is present in the fluid in hydraulic pressure chamber 4 is discharged from hydraulic pressure chamber 4, once and punching machine 100 leave lower dead center and just make at least a portion of described fluid turn back to hydraulic pressure chamber 4.Therefore, as mould 2b with 3b is more close while moving each other, hydraulic pressure chamber 4 comprise for stand residence produce power and for withstanding the necessary fluid of possible overload, and in the time that mould 2b and 3b open, owing to having less fluid because at least a portion of existing fluid in the time closing mold closing 2b and 3b has been discharged from hydraulic pressure chamber 4, the power standing is also less, and the mechanism 8 of punching machine 100 must stand less mechanical stress, therefore this make destroyed risk and the prolongation in service life of reduction and/or mechanism 8.Fluid is oil preferably, but it can be also any other fluid with similar or similar features.
Punching machine 100 keeps the cool time of regulation at lower dead center place, and actuating device, preferably suitable for also surplus while having the efflux time of regulation before stopping cool time in lower dead center in the situation that at punching machine 100, makes at least a portion that is present in the fluid in hydraulic pressure chamber 4 discharge from hydraulic pressure chamber 4.Efflux time is less than cool time.Efflux time is preferably less than about 1 second.
Punching machine 100 comprises the storage tank 10 being communicated with hydraulic pressure chamber 4 and the collector 5 being communicated with storage tank 10 and hydraulic pressure chamber 4.Storage tank 10 receives the fluid of discharging from hydraulic pressure chamber 4, and collector 5 receives at least a portion that is present in the fluid in storage tank 10, once punching machine 100 leaves lower dead center, at least a portion of the fluid that collector receives just turns back to hydraulic pressure chamber 4 from collector 5 after a while.Punching machine 100 comprises pump 11, and this pump is arranged between storage tank 10 and collector 5 to be present in the fluid in storage tank 10 towards collector 5 pumpings.
In a preferred embodiment, the actuating device of punching machine 100 comprises: dump valve 40, and this dump valve is arranged between hydraulic pressure chamber 4 and storage tank 10 and with hydraulic pressure chamber 4 and storage tank 10 and is communicated with, to allow or to prevent that fluid from discharging towards storage tank 10 from hydraulic pressure chamber 4; And filling-valve 90, this filling-valve is arranged between collector 5 and hydraulic pressure chamber 4 and with this collector 5 and hydraulic pressure chamber 44 and is communicated with, to allow or to prevent that fluid from filling towards hydraulic pressure chamber 4 from collector 5.Preferably servo valve of dump valve 40, can be accurately controlled the amount of the fluid of discharging from hydraulic pressure chamber 4.
Punching machine 100 also comprises: the first common conduit 12, and this first common conduit is at one end attached to hydraulic pressure chamber 4 and is attached to arm 13 at the other end, and this arm 13 is communicated with the entrance of dump valve 40 and is communicated with the outlet of filling-valve 90; And second common conduit 15, this second common conduit is at one end attached to the entrance of filling-valve 90 and is attached to arm 16 at the other end, and this arm 16 is communicated with collector 5 and is communicated with storage tank 10.
Preferably, punching machine 100 also comprises the overload valve of not describing in, accompanying drawing that be associated with hydraulic pressure chamber 4.If overload detected in hydraulic pressure chamber 4, open overload valve to discharge mould by the thrust of mechanism 8, the different parts that make to be present in punching machine 100 can not destroy because of overload.
In the accompanying drawings in unshowned embodiment, the actuating device that punching machine 100 can comprise multiple hydraulic pressure chambers 4 and be associated with each hydraulic pressure chamber 4.Each hydraulic pressure chamber 4 all comprise equally discussed above and for implement hydraulic pressure chamber filling and discharge necessary pipeline and pump 11.Punching machine 100 can comprise the single storage tank 10, single collector 5 and the single pump 11 that are associated with all hydraulic chamber 4.In this embodiment, punching machine 100 also comprises motion sensor, and this motion sensor is suitable for making the motion in all hydraulic chamber 4 identical, thereby makes corresponding mould keep its orientation.Motion sensor is associated with each hydraulic pressure chamber 4 and can detects at least in fluid mechanism 8 motion on each hydraulic pressure chamber 4 when hydraulic pressure chamber 4 is discharged from, and motion sensor is also associated with each dump valve 40, this motion sensor can be acted on dump valve 40 to keep the orientation of corresponding mould according to the motion detecting in different hydraulic pressure chambers 4.Alternatively, in another structure, punching machine 100 can comprise the motion sensor being associated with each hydraulic pressure chamber 4 and its corresponding dump valve 40, and in any structure in discussed structure, punching machine 100 even can comprise the control device (microcontroller, microprocessor or similar device) of communicating by letter with motion sensor (or multiple motion sensor), and this control device is the device acting on dump valve 40.Control device can be to be exclusively used in the control device of this function or they can be the major control devices of the functional character of this punching machine 100 of responsible execution of punching machine 100 then.
In a rear embodiment, punching machine 100 can also comprise be associated with each hydraulic pressure chamber 4 such as at overload valve discussed above, or comprise the single overload valve for all hydraulic chamber 4.
A second aspect of the present invention relates to a kind of for utilizing the method for punching machine thermoformed components.This punching machine at its embodiment with in any one in structure is and the same punching machine 100 of punching machine of discussing for a first aspect of the present invention.
Described method comprises: forming step, and in this forming step, mould 2b and the 3b of punching machine 100 close each other with molded component; Cooling step, in this cooling step, mould 2b and 3b locate to keep closing in lower dead center (in lower dead center, molded component between mould 2b and 3b); And retreat step, and retreating in step at this, mould 2b and 3b open.
Described method also comprises: discharge step, this discharge step occurs during cooling step, and in this discharge step, at least a portion that is present in the fluid in the hydraulic pressure chamber 4 of punching machine 100 is discharged from hydraulic pressure chamber 4; And filling step, this filling step occurs during retreating step, and in this filling step, at least a portion of the fluid of described discharge is filling liquid pressure chamber 4 again.Therefore, as mould 2b with 3b is more close while moving each other, hydraulic pressure chamber keeps withstanding the necessary fluid of power of generation, and in the time that mould 2b and 3b exist less fluid to open in due to hydraulic pressure chamber, power to be stood is also less, and the mechanism 8 of punching machine 100 must withstand less mechanical stress, this extends the service life of for this reason destroyed Risk Reduction and mechanism 8.
Mould 2b and 3b keep the cool time of closed rule, before stopping described cool time, also remain while having the efflux time of regulation, and at least a portion that is present in the fluid in hydraulic pressure chamber 4 is discharged from from described hydraulic pressure chamber 4, and efflux time is less than cool time.Efflux time is preferably less than about 1 second.Therefore realized the advantage of discussing in earlier paragraphs, and guaranteed at punching machine 100 in lower dead center in the situation that simultaneously, between the mounting table 2 of forcing press and bracket 3, keep necessary distance, and between two mould 2b and 3b, apply enough power by this necessary distance to be shaped and the parts of cooling formed thereby.
In the embodiment of punching machine 100 that comprises multiple hydraulic pressure chambers 4, effective method also comprises checking procedure, in this checking procedure, checks the motion of each mechanism 8 in their corresponding hydraulic pressure chamber 4.Checking procedure is at punching machine 100 during in lower dead center, more specifically occurs being present in fluid in hydraulic pressure chamber 4 is discharged from.Described method also comprises alignment procedures, when detecting that in checking procedure not every mechanism 8 carries out this alignment procedures while similarly movement.In alignment procedures, at least one mechanism in mechanism 8 to be taken measures, the motion that makes all mechanisms 8 is identical and therefore keeps the orientation of corresponding mould.

Claims (15)

1. be suitable for a punching machine for particularly hot forming process of forming process, described punching machine comprises: patrix (3b) and counterdie (2b), and described patrix and described counterdie are suitable in the time that they are closed each other molded component between them; Motor, described motor is used for making at least one mould in these moulds (2b, 3b) to move with respect to another mould (2b, 3b), makes them close each other or open; Be attached to the bent axle (6) of described motor; An and mechanism (8), described mechanism is suitable for these moulds (2b, a mould 3b) is attached to described bent axle (6), and rotatablely moving of described bent axle (6) is transformed into these moulds (2b, linear movement 3b), described punching machine is characterised in that, described punching machine also comprises: at least one hydraulic pressure chamber (4), and the bottom that this at least one hydraulic pressure chamber is arranged in described mechanism (8) is sentenced in the described parts that are shaped decay or is absorbed possible overload; And actuating device, described actuating device is suitable at least a portion that is present in the fluid in described hydraulic pressure chamber (4) being discharged at described punching machine (100) during in lower dead center from described hydraulic pressure chamber (4), and once described punching machine (100) leaves actuating device described in lower dead center and just makes at least a portion of described fluid turn back to described hydraulic pressure chamber (4), wherein at lower dead center place, described parts are shaped between these moulds (2b, 3b).
2. punching machine according to claim 1, wherein, described punching machine (100) keeps the cool time of regulation at lower dead center place, described actuating device is suitable at described punching machine (100) also surplus while having the efflux time of regulation before stopping described cool time in lower dead center in the situation that, the at least a portion that is present in the fluid in described hydraulic pressure chamber (4) is discharged from described hydraulic pressure chamber (4), and described efflux time is less than described cool time.
3. punching machine according to claim 1, wherein, described efflux time is less than about 1 second.
4. punching machine according to claim 1, described punching machine comprises the storage tank (10) being communicated with described hydraulic pressure chamber (4) and the collector (5) being communicated with described storage tank (10) and described hydraulic pressure chamber (4), described storage tank (10) receives fluid and the described collector (5) of discharging from described hydraulic pressure chamber (4) and receives at least a portion that is present in the fluid described storage tank (10), once described punching machine (100) leaves lower dead center, at least a portion of described fluid just turns back to described hydraulic pressure chamber (4) from described collector (5) after a while, described punching machine (100) comprises pump (11), described pump is arranged between described storage tank (10) and described collector (5) to be present in the fluid in described storage tank (10) towards described collector (5) pumping.
5. punching machine according to claim 4, wherein, described actuating device comprises dump valve (40), described dump valve is arranged between described hydraulic pressure chamber (4) and described storage tank (10) and with described hydraulic pressure chamber (4) and described storage tank (10) and is communicated with, to allow or to prevent that fluid from discharging from described hydraulic pressure chamber (4) towards described storage tank (10), described dump valve (40) is servo valve.
6. punching machine according to claim 5, wherein, described actuating device comprises filling-valve (90), described filling-valve is arranged between described collector (5) and described hydraulic pressure chamber (4) and with described collector (5) and described hydraulic pressure chamber (4) and is communicated with, to allow or to prevent that fluid from filling from described collector (5) towards described hydraulic pressure chamber (4).
7. punching machine according to claim 6, described punching machine comprises the first common conduit (12) and the second common conduit (15), described the first common conduit is at one end attached to described hydraulic pressure chamber (4) and is attached to arm (13) at the other end, described arm (13) is communicated with the entrance of described dump valve (40) and the outlet of described filling-valve (90), described the second common conduit is at one end attached to the entrance of described filling-valve (90) and is attached to arm (16) at the other end, described arm (16) is communicated with described collector (5) and described storage tank (10).
8. punching machine according to claim 4, described punching machine comprises the overload safety device (15) and the overload pump (16) that are arranged between described hydraulic pressure chamber (4) and described storage tank (10).
9. according to the punching machine described in any one in aforementioned claim, described punching machine comprises: multiple hydraulic pressure chambers (4); The actuating device being associated with each hydraulic pressure chamber (4); And for detect the checkout gear of the fluid that is present in each hydraulic pressure chamber (4) always.
10. punching machine according to claim 9, described punching machine comprises the motion sensor being associated with each hydraulic pressure chamber (4), and described motion sensor is suitable for detecting the motion of corresponding mechanism (8) in each hydraulic pressure chamber (4) so that the motion in all hydraulic chamber (4) is identical.
11. punching machines according to claim 9, described punching machine comprises the motion sensor being associated with these hydraulic pressure chambers (4), and described motion sensor is suitable for detecting the motion of corresponding mechanism (8) in each hydraulic pressure chamber (4) so that the motion of all hydraulic chamber (4) is identical.
12. 1 kinds for utilizing the method for punching machine thermoformed components, and described punching machine comprises: patrix (3b) and counterdie (2b), and described patrix and described counterdie are suitable in the time that they are closed each other molded component between them; And mechanism (8), described mechanism is suitable for along with its motion and at least one mould (2b, 3b) that is shifted, and described method comprises: forming step, in described forming step, these moulds (2b, 3b) are closed each other with molded component; Cooling step, in described cooling step, these moulds (2b, 3b) keep at lower dead center place closing, and in this lower dead center, described parts are shaped between these moulds (2b, 3b); And retreat step, retreat in step described, these moulds (2b, 3b) open, described method is characterised in that, described method also comprises: discharge step, described discharge step occurs during described cooling step, in described discharge step, at least a portion of the fluid existing in the hydraulic pressure chamber (4) being associated with described mechanism (8) is discharged from described hydraulic pressure chamber (4); And filling step, described filling step occurs during retreating step described, and in described filling step, at least a portion of the fluid of described discharge is filled described hydraulic pressure chamber (4) again.
13. methods according to claim 12, wherein, these moulds keep the cool time of closed rule, stop also surplus while having the efflux time of regulation in described cool time, the at least a portion that is present in the fluid in described hydraulic pressure chamber (4) is discharged from described hydraulic pressure chamber (4), and described efflux time is less than described cool time.
14. methods according to claim 13, wherein, described efflux time is less than about 1 second.
15. according to claim 12 to the method described in 14, described method is suitable for implementing in the punching machine (100) of the mechanism (8) that has multiple hydraulic pressure chambers (4) and be communicated with each hydraulic pressure chamber (4), and described method comprises: checking procedure, in described checking procedure, in the time that locating lower dead center, described punching machine (100) checks the motion of described mechanism (8); And alignment procedures, in described alignment procedures, if it is mobile to detect that during described checking procedure corresponding mechanism (8) is different from remaining mechanism (8), corresponding mechanism (8) is taken measures.
CN201310520814.3A 2012-10-30 2013-10-29 It is suitable to punching machine and the method for forming process Active CN103786359B (en)

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ESP201231658 2012-10-30
ES201231658A ES2458269B1 (en) 2012-10-30 2012-10-30 Mechanical press adapted for forming processes, and method

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CN103786359A true CN103786359A (en) 2014-05-14
CN103786359B CN103786359B (en) 2017-03-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112893587A (en) * 2021-01-15 2021-06-04 重庆大江国立精密机械制造有限公司 Automatic change stamping equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1267790Y (en) 2021-01-08 2021-09-10 Fagor Arrasate S Coop Mechanical press to form a material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU893569A1 (en) * 1980-03-26 1981-12-30 Воронежское Производственное Объединение По Выпуску Тяжелых Механических Прессов"Воронежтяжмехпресс" Power press having several points for suspending slide
CN1077680A (en) * 1992-04-17 1993-10-27 浙江大学 Punch buffer for press
EP1074380A2 (en) * 1999-08-03 2001-02-07 Kabushiki Kaisha Kosmek Method and device for obtaining calibration data of mechanical press, and load display device for mechanical press
ES2166241A1 (en) * 1999-01-15 2002-04-01 Fagor S Coop Metal press with a hydraulic device for deceleration
CN102626997A (en) * 2011-02-02 2012-08-08 菲高公司 Mechanical press adapted for forming processes, especially for hot-forming processes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030336A (en) * 1976-07-09 1977-06-21 Anatoly Sergeevich Grigorenko Hydraulic protection device for presses
US4166415A (en) * 1978-04-21 1979-09-04 Gulf & Western Manufacturing Company Press having overload responsive slide shut height adjusting mechanism
JPS59137133A (en) * 1983-01-28 1984-08-07 Komatsu Ltd Automatic corrector for die height of press
JPS62151300A (en) * 1985-12-26 1987-07-06 Komatsu Ltd Over load protecting device for press machine
JP2507740B2 (en) * 1987-05-29 1996-06-19 株式会社 アマダ Die height adjusting device in press machine
JPH01241345A (en) * 1988-03-23 1989-09-26 Sumitomo Heavy Ind Ltd Device for adjusting height of upper die in hot forging press
JPH03238200A (en) * 1990-02-16 1991-10-23 Ishikawajima Harima Heavy Ind Co Ltd Pressurizing speed varying press
DE69331974T2 (en) * 1992-11-05 2003-01-23 Toyota Motor Co Ltd METHOD AND DEVICE FOR REGULATING CHECKING OR OPTIMIZING THE PRESSURE OF A CYLINDER PIN BY A LIQUID OR INITIAL PRESSURE EXHAUST
JP3345144B2 (en) * 1993-12-27 2002-11-18 アイダエンジニアリング株式会社 Slide machine for press machine
JP4094165B2 (en) * 1999-03-26 2008-06-04 株式会社コスメック Machine press overload prevention device
JP5528984B2 (en) * 2010-10-19 2014-06-25 アイダエンジニアリング株式会社 Press load control device for mechanical press

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU893569A1 (en) * 1980-03-26 1981-12-30 Воронежское Производственное Объединение По Выпуску Тяжелых Механических Прессов"Воронежтяжмехпресс" Power press having several points for suspending slide
CN1077680A (en) * 1992-04-17 1993-10-27 浙江大学 Punch buffer for press
ES2166241A1 (en) * 1999-01-15 2002-04-01 Fagor S Coop Metal press with a hydraulic device for deceleration
EP1074380A2 (en) * 1999-08-03 2001-02-07 Kabushiki Kaisha Kosmek Method and device for obtaining calibration data of mechanical press, and load display device for mechanical press
CN102626997A (en) * 2011-02-02 2012-08-08 菲高公司 Mechanical press adapted for forming processes, especially for hot-forming processes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112893587A (en) * 2021-01-15 2021-06-04 重庆大江国立精密机械制造有限公司 Automatic change stamping equipment
CN112893587B (en) * 2021-01-15 2023-01-10 重庆大江国立精密机械制造有限公司 Automatic change stamping equipment

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CN103786359B (en) 2017-03-15
EP2727714B1 (en) 2019-05-15
ES2458269A1 (en) 2014-04-30
EP2727714A3 (en) 2018-01-10
ES2458269B1 (en) 2015-02-03
ES2728145T3 (en) 2019-10-22

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