EP1614527B1 - Mechanical press - Google Patents
Mechanical press Download PDFInfo
- Publication number
- EP1614527B1 EP1614527B1 EP03719274A EP03719274A EP1614527B1 EP 1614527 B1 EP1614527 B1 EP 1614527B1 EP 03719274 A EP03719274 A EP 03719274A EP 03719274 A EP03719274 A EP 03719274A EP 1614527 B1 EP1614527 B1 EP 1614527B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- arm
- slide
- electromagnet
- rod
- 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.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims description 38
- 238000013016 damping Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 206010010254 Concussion Diseases 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- 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
- B30B1/268—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 using a toggle connection between driveshaft and press ram
Definitions
- the present invention relates to a mechanical press according to claim 1.
- RU 2 019 416 C1 discloses a vertical mechanical press containing an activating electromagnet being mounted between brackets on the front side part of an upper elbow of a connecting rod with a stator-cylinder rotating about its axis, wherein the stator-cylinder is coupled with a lower elbow of a collapsible connecting rod through double-linked collapsible lever of a transfer mechanism, wherein the length of the collapsible lever may be regulated and wherein both brackets have through windows disposed above the stator journals.
- Lower sleeves of return springs of the magnet anchor are rigidly secured to bracket bodies above the windows.
- SU 651 532 A discloses a mechanical press comprising a slide placed in guide rails of a machine bed, wherein the slide is coupled to a crank shaft through a two-link rod having an upper and a lower elbow, wherein the press further comprises a frame coupled to the slide, a transfer mechanism and an electromagnetic press actuating mechanism arranged in the frame.
- the transfer mechanism is made in the form of hingedly connected levers and battens connecting armature of the electromagnet with the lower elbow of the two-link rod.
- the mechanical press having a slide placed in bed guide rails, the slide is coupled to a crank shaft or eccentric shaft through a two-link rod and is tied with cylindrical balancers fixed to a bed; an electric motor is mounted on a machine bed and is connected through a flexible drive with a flywheel fixed rigidly on the above shaft; a slide has upper working position limit stop.
- the press has a clutchless press actuating mechanism, installed on the bed, controls for a clutchless mechanism as well as a transfer mechanism made as a balancing lever, connected by a hinge with a two-link connecting rod ( DE 561059C, 1934-03-19 , IPC B30B1/26).
- a mass of the actuating cylinder mechanism fixed to a hinge and protruding as a cantilever outside the machine bed zone will increase a value of dynamic loads applied to connecting rod links of a press crank group and on its bed due to alternating up and down swinging on a hinge.
- a mechanical press which has a slide placed in bed guide rails, the slide is coupled to a crank shaft or eccentric shaft through a two-link rod and is tied with a balancer fixed to a bed; it has a limiter of a slide upper working position and also an electric motor located on a bed and connected through a flexible drive with a flywheel fixed rigidly on the shaft.
- the press has a clutchless press actuating mechanism, installed on the bed, controls for a clutchless mechanism as well as transfer mechanism made as a balancing lever, connected hingedly with a two-link connecting rod ( CZ135097, 1969-07-04 , IPC B30b).
- a mechanical press which is taken as a closest counterpart, comprising a slide placed in bed guide-rails, the above slide is connected with a crank shaft or eccentric shaft through a two-link rod and is tied with a cylindrical balancer fixed to a bed and to an elastic limiter of a slide upper position located in the above balancer and also an electric motor located on a bed and connected through a flexible drive with a flywheel fixed rigidly on the shaft, electromagnetic clutchless press actuating mechanism in a form of at least, one electrical magnet, consisting of a body and a movable armature, a transfer mechanism in a form of a balancer connected through a hinge with a two-link rod and also press controls.
- GB 1578373 A disclose a mechanical press according to the preamble of claim 1.
- a design of a slide is foreseen which consists of two interconnected adjustable parts (lower and upper part), the above design impairs and complicates press service conditions during its maintenance.
- the electrical magnet of the press clutchless actuating mechanism is located directly on a slide and as a result of this the said mechanism receives all dynamic loads (shocks, concussions, vibrations, oscillations) generated as a result of a slide work during cold sheet operations: cutting down, punching, cutting, bending, etc., that also reduces reliability, longevity and service life of a press actuating mechanism.
- a power contact between a cone and a flag/balancer 47 of a two-link rod takes place at a magnetic action on command in both electromagnets of the armature 36 with a coil 35 of the body 34.
- the technical objective of the invention is to increase a reliability, longevity and productivity of a press, to prolong its service life, to improve ecological cleanness and safety requirements during press operation.
- the slide initial upper position limiter in the form of a rod protruding from a piston in the upper cavity of the balancer cylinder.
- An elastic ring with a through hole is mounted freely on this rod.
- the mechanical press ( Fig.1 ) has a slide 3 placed in guide rails of a machine frame 1 and connected with a balancer 2 installed on a machine bed, the said slide is coupled to a crank shaft or eccentric shaft through a two-link rod 5 with an upper 5 and lower 7 elbows.
- the electric motor mounted on a machine frame 1 is connected by a flexible drive with a flywheel (they are not shown on Fig. 1 - 4 ), the flywheel is fixed rigidly on a crankshaft or eccentric axis 4.
- a press clutchless electromagnetic actuating mechanism consists of an electromagnet 8, installed on a machine frame 1, the said electromagnet comprises a body 9 with an electromagnetic coil 10 with a core 11 inside it, a movable armature in the form of a two-arm lever 12, fixed with a possibility to rotate on the axis 13, the said axis is mounted on a press bed.
- one arm 14 of the movable armature - two-arm lever 12 located at a side of a press bed wall, is placed to ensure coupling with a platform 18 of a fixed core 11 of the electromagnetic coil 10 of the body 9 of the electromagnet 8.
- This coupling possibility is realized with the help of the movable adjustable core 16 having a platform 17 placed in a lever.
- Another arm 19 of the movable armature - two-arm lever 12 is movably connected via the axis 20 to the external end of the drive mechanism balancing lever 21 which is hingedly connected by its opposite end through the axis 22 with a two-link rod 5.
- a slide upper working position limiter is made for example, from rubber in the form of an elastic ring 23 with a central through hole and the said ring is located loosely on a free end 25 of a rod 26 protruding from a balancer 2 of a piston 24 in the upper cavity of the balancer 2 cylinder 27.
- the thickness of the elastic ring 23 is larger than the protruding from a piston 24 the end 25 of a rod 26 by the size of the damping gap.
- the piston 24 loaded by a spring 28 and a rod 26 are connected through an axis 29 and brackets 30 with a slide 3.
- a crankshaft 4 starts rotating in a usual way (with the help of a flexible drive and a flywheel) at starting an electric motor mounted on machine frame 1, when a crank begins to rotate in the opening of the upper elbow 6 of a two-link connecting rod 5.
- a slide 3 is kept in this case in the extreme upper position with the action of a spring 28 of the balancer 2 through a piston 24, a rod 26, axis 29 and brackets 30.
- the slide upper position is defined by the interaction of a piston 24, an elastic spring 23 and a bottom of a cylinder 27 of a balancer 2.
- a movable armature - two-arm lever 12 together with a spring 15, core 16 and a platform 17 mounted in the said lever makes free swinging motions around axis 13 from the extreme left to the extreme right position as a result of action of rocking links 6 and 7 of the connecting rod 5 through the axis 22, balancer 21 and axis 20 onto an inner arm 19 of the movable armature - two arm lever 12.
- the proposed invention enables to increase press reliability, longevity and output as well as to prolong its service life and simplify maintenance during operation.
- This invention can be applied to manufacturing of new press and forge equipment and other types of machines with a crankshaft mechanism and can also be used for rebuilding various models and types of older press and forge machines in current operation.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Forging (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/RU2003/000163 WO2004091897A1 (fr) | 2003-04-15 | 2003-04-15 | Presse mecanique |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1614527A1 EP1614527A1 (en) | 2006-01-11 |
EP1614527A8 EP1614527A8 (en) | 2006-04-12 |
EP1614527B1 true EP1614527B1 (en) | 2008-09-03 |
Family
ID=33297600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03719274A Expired - Lifetime EP1614527B1 (en) | 2003-04-15 | 2003-04-15 | Mechanical press |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1614527B1 (zh) |
CN (1) | CN100376380C (zh) |
AT (1) | ATE406996T1 (zh) |
AU (1) | AU2003235557A1 (zh) |
DE (1) | DE60323404D1 (zh) |
WO (1) | WO2004091897A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8024952B2 (en) * | 2008-03-26 | 2011-09-27 | National Machinery Llc | Slide with segmented tooling held closed by stationary remote spring |
CN104148610B (zh) * | 2014-05-24 | 2017-04-05 | 浙江精一重工有限公司 | 一种金属件制造方法和实现该方法的低压铸造锻压机 |
CN104290344B (zh) * | 2014-10-16 | 2016-01-20 | 南京航空航天大学 | 双伺服电机驱动多连杆压力机及工作方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE561059C (de) * | 1930-10-12 | 1934-03-19 | Berlin Erfurter Maschinenfabri | Ein- und Ausrueckvorrichtung fuer Pressen, Stanzen und aehnliche Werkzeugmaschinen |
US4034666A (en) * | 1975-12-08 | 1977-07-12 | Oleg Pavlovich Bigun | Crank press |
SU651532A1 (ru) * | 1976-03-03 | 1983-08-23 | Воронежский лесотехнический институт | Механический пресс |
GB1578373A (en) * | 1977-10-18 | 1980-11-05 | Voron Lesotekhniche I | Presses |
SU720900A1 (ru) * | 1978-05-25 | 1983-08-23 | Воронежский лесотехнический институт | Механический пресс |
RU2019416C1 (ru) * | 1991-08-01 | 1994-09-15 | Кожевников Виктор Александрович | Вертикальный механический пресс |
-
2003
- 2003-04-15 AT AT03719274T patent/ATE406996T1/de not_active IP Right Cessation
- 2003-04-15 AU AU2003235557A patent/AU2003235557A1/en not_active Abandoned
- 2003-04-15 EP EP03719274A patent/EP1614527B1/en not_active Expired - Lifetime
- 2003-04-15 CN CNB038263181A patent/CN100376380C/zh not_active Expired - Fee Related
- 2003-04-15 WO PCT/RU2003/000163 patent/WO2004091897A1/ru not_active Application Discontinuation
- 2003-04-15 DE DE60323404T patent/DE60323404D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE406996T1 (de) | 2008-09-15 |
CN1764528A (zh) | 2006-04-26 |
DE60323404D1 (de) | 2008-10-16 |
EP1614527A1 (en) | 2006-01-11 |
WO2004091897A1 (fr) | 2004-10-28 |
EP1614527A8 (en) | 2006-04-12 |
AU2003235557A1 (en) | 2004-11-04 |
CN100376380C (zh) | 2008-03-26 |
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