US2652770A - Power press - Google Patents

Power press Download PDF

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Publication number
US2652770A
US2652770A US178196A US17819650A US2652770A US 2652770 A US2652770 A US 2652770A US 178196 A US178196 A US 178196A US 17819650 A US17819650 A US 17819650A US 2652770 A US2652770 A US 2652770A
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US
United States
Prior art keywords
slide
press
plates
opening
frame
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
Application number
US178196A
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English (en)
Inventor
Edward W Wilkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilkins and Mitchell Ltd
Original Assignee
Wilkins and Mitchell Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wilkins and Mitchell Ltd filed Critical Wilkins and Mitchell Ltd
Application granted granted Critical
Publication of US2652770A publication Critical patent/US2652770A/en
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Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • the invention relates to power presses of the type which comprises a tool-carrying slide which is moved in relation to a stationary tool-carrying bolster and in which movement of the slide is transmitted from parallel shafts extending forwardly and rearwardly of the press.
  • the press is so arranged that the slide can be put into place, and removed, through one or either side, thus permitting of a front opening of less width and height than the slide.
  • each gib is set in an aperture in the respective side wall, the aperture being of such dimensions as will permit of the slide being passed through it, when the slide is being put in position in the press or being I removed therefrom.
  • the respective gib may be passed into the aperture from the outside and be provided with flanges which are secured against the outer surface of the respective side wall of the press. Shims may be placed between the flanges and the side wall to allow for inward adjustment of the gibs as wear takes place.
  • the drive from the said forwardly and rearwardly extending shafts may be effected by eccentrics or cranks on the shafts with which engage connecting rods which, at their other or little ends, are pivotally connected to the slide, a gudgeon pin bein passed through each little end and through bearing holes in the slide, and these bearing holes may be fitted with removable bushes.
  • the gudgeon pins must be pushed out from the little ends for removal of the slide and special holes may be formed in the press walls for such purpose.
  • Fig. 1 is a front elevation, partly in section, of the power press.
  • Fig. 2 is a side elevation, partly in section, of the power press shown in Fig. 1.
  • Fig. 3 is a fragmentary sectional plan, the section being taken on the line 3, 3 of Fig. 1.
  • Fig. i is a fragmentary sectional side elevation, partly exploded to show how the gudgeon pins and their bearings can be assembled and. removed through clearance holes in the front and rear walls of the press frame.
  • the press frame I is a hollow rectangular box-like structure, open at the top and bottom and fabricated from heavy rolled steel wall slabs or plates welded together at their edges down the four vertical corners of the frame.
  • the tool carrying slide 2 is guided for vertical movement between a pair of gibs 3, 3 which are secured to the side walls of the press and engage vertical V-section slideways 2 in the respective side faces of the slide 2, which vertical movement of the slide 2 is derived through a pair of connecting rods 4, 4 operated byeccentrics 5, '5 on parallel shafts 6, 6 which are each driven by spur wheels I, I from a common pinion 8 on a; first motion shaft 9.which is driven by a multiple friction clutch at one end and brought to rest by a multiple friction brake at the other end, the clutch and brake not being shown.
  • the connecting rods 4 suspended from the eccentrics 5 have their lower or. little ends connected to the slide 2 by gudgeon pins I I engaged with removable sleeve bearings l2 in the front and rear walls of the slide 2 which is of fabricated steel construction and of U-shape in transverse section, the limbs of the U constituting the front and rear walls of the slide and the U-section being closed by side walls which are machined to afford the V-section slideways 2
  • the gudgeon pins l I' are co-axial with clearance holes I2 'in the front and rear walls of the press frame I.
  • the gibs 3 extend into engagement wit tbe.
  • slideways 2 on the sides of the press slide 2 through openings I3 in the side walls of the press frame I and they are in the form of heavy, stiff castings of V-section in plan and with lateral flanges I4 whereby they are secured to the outer faces of said side walls, shims I5 being placed between the flanges I4 and the press frame side walls to allow for inward adjustment of the gibs 3 as wear takes place.
  • the openings I3 are of greater depth than the slide 2 and their width is also somewhat greater than the overall front to back dimension of the slide 2 so that the latter can be put into position in the press frame I, and removed therefrom, through either of said side openings I3.
  • the eccentrics can be turned into their bottom dead centre positions, whereupon the slide 2 can be moved up or down, as may be required, to bring the bearing holes in the slide walls into axial register with gudgeon pin holes in the connecting rods 4 and with the clearance holes I2 in the front and rear walls of the press frame I, whereupon the gudgeon pins II and bearing-sleeves I2 can be inserted through said clearance holes I2 to connect the slide 2 to the connecting rods 4 (see Fig. 4).
  • the slide 2 would require to be supported from the stationary bed or bolster I6 of the press by appropriate jacking means whereby it can be raised and lowered, which jacking means can be removed through the opening I! in the front wall of the press frame when the slide has been connected up.
  • said front opening H can be of much less width and height than the slide, and the width of said opening is preferably within the points of application of the pressure, that is to say between the vertical axial planes of the gudgeon pins 4, as shown in Fig. l.
  • the reduction in the size of the front opening I"! results in a corresponding increase in the strength and stiifness of the press frame and enables the overall side-to-side dimension of the latter to be reduced somewhat.
  • a power press comprising front and back plates arranged in substantially parallel spaced relation, said plates being provided with work receiving access openings of substantially less width than said plates adjacent the lower ends thereof, a pair of side plates of less width than said front and rear plates arranged in substan tially parallel relation and extending between the edges of said front and back plates substantially the height of said front and back plates and secured thereto for providing a rigid frame, said side plates being provided with openings extending a substantial-portion --of the width of said side plates, a bolster mounted on said front and rear plates and resting on the lower edges of the openings therein, a shaft rotatably mounted in said front and rear plates above the openings therein, an eccentric on said shaft, a slide positioned in said frame and mounted for up and down sliding movement, a connecting rod extending from said eccentric to said slide for causing sliding movement thereof, and gibs mounted on said side plates and extending into said openings therein and engageable With said slide for guiding the same in vertical movement, said slide being of a size to be inserted into
  • a power press comprising front and back plates arranged in spaced relation, at least one of said plates being provided with a work receiving access opening of substantially less width than said plate adjacent the lower end thereof, a pair of side plates of less width than said front and rear plates arranged in spaced relation and extending between the edges of said front and back plates and secured thereto for providing a rigid frame, at least one of said side plates being provided with a slide receiving opening extending a substantial portion of the width of the said side plate, a bolster mounted on said front and rear plates adjacent the lower edge of the opening in the said plate, a shaft rotatably mounted in said front and rear plates above the opening therein, an eccentric on said shaft, a slide positioned in said frame and mounted for up and down sliding movement, a connecting rod extending from said eccentric to said slide for causing sliding movement of the latter upon rotation of said eccentric and said shaft, a gib mounted on said one side plate and extending into the opening therein and engageable with said slide for guiding the same in vertical movement, and a gib mounted on the other side
  • a power press comprising front and back plates arranged in spaced relation, at least one of said plates being provided with a work receiving access opening of substantially less width than said plate adjacent the lower end thereof, a pair of side plates of less width than said front and rear plates arranged in spaced relation and extending between the edges of said front and back plates and secured thereto for providing a rigid frame, at least one of said side plates being provided with a slide receiving opening extending a substantial portion of the width of the said side plate, a bolster mounted on said front and rear plates adjacent the lower edge of the opening in the said one of said front and rear plates, parallel shafts rotatably mounted in said front and rear plates in the upper part of the frame, eccentrics on said shafts, connecting rods operatively connecting said eccentrics and said slide for causing sliding movement of the latter upon rotation of said shafts and eccentrics, a gib mounted on said one side plate and extending intothe opening therein and engageable with said slide for guiding the same in vertical movement, and a gib mounted on the other side plate for guiding the other

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Press Drives And Press Lines (AREA)
  • Handcart (AREA)
US178196A 1949-08-17 1950-08-08 Power press Expired - Lifetime US2652770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21369/49A GB665250A (en) 1949-08-17 1949-08-17 Improvements in power presses

Publications (1)

Publication Number Publication Date
US2652770A true US2652770A (en) 1953-09-22

Family

ID=10161761

Family Applications (1)

Application Number Title Priority Date Filing Date
US178196A Expired - Lifetime US2652770A (en) 1949-08-17 1950-08-08 Power press

Country Status (4)

Country Link
US (1) US2652770A (enrdf_load_stackoverflow)
BE (1) BE497618A (enrdf_load_stackoverflow)
FR (1) FR1023548A (enrdf_load_stackoverflow)
GB (1) GB665250A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916987A (en) * 1953-07-18 1959-12-15 Hanni Eduard Press
DE1107485B (de) * 1955-12-16 1961-05-25 Eumuco Ag Fuer Maschb Knueppelschere
US3088063A (en) * 1958-05-26 1963-04-30 Bliss E W Co Press drive control
US3114311A (en) * 1963-05-13 1963-12-17 Paul P Steinle Bearing support for an eccentric driven power press
US3797385A (en) * 1972-05-10 1974-03-19 O Goff Motor-driven press and actuating means therefor
US3858432A (en) * 1972-09-05 1975-01-07 Minster Machine Co Press structure
US4020671A (en) * 1974-08-10 1977-05-03 Iwk Pressen Gmbh Press for the shaping of sheet metal without cutting
US4065954A (en) * 1974-11-20 1978-01-03 Erich Grau Stanzwerk Fur Elektrobleche Ram-guiding frame

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506519A1 (de) * 1995-02-24 1996-08-29 Schuler Pressen Gmbh & Co Exzenterpresse, insbesondere zum mehrstufigen Kaltfließpressen

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US794430A (en) * 1904-10-26 1905-07-11 Deere & Co Press.
US803692A (en) * 1904-11-14 1905-11-07 Charles K Hill Socket-wrench.
DE543509C (de) * 1930-08-15 1932-02-06 Crankless Europ Patents Propri Getriebe mit umlaufender Taumelscheibe
US1959865A (en) * 1932-07-25 1934-05-22 Toledo Machine & Tool Company Gibbing and tying means for press frames
US1960166A (en) * 1933-04-03 1934-05-22 Fredrich J Rode Press construction
US1977549A (en) * 1934-08-04 1934-10-16 Rudolph W Glasner Metal working press
US2173086A (en) * 1935-10-04 1939-09-19 Baldwin Southwark Corp Hydraulic press
US2348403A (en) * 1941-01-02 1944-05-09 Hydraulic Dev Corp Inc Method of making press structures
US2512246A (en) * 1946-07-16 1950-06-20 Francis B Fishburne Hydraulic press

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US794430A (en) * 1904-10-26 1905-07-11 Deere & Co Press.
US803692A (en) * 1904-11-14 1905-11-07 Charles K Hill Socket-wrench.
DE543509C (de) * 1930-08-15 1932-02-06 Crankless Europ Patents Propri Getriebe mit umlaufender Taumelscheibe
US1959865A (en) * 1932-07-25 1934-05-22 Toledo Machine & Tool Company Gibbing and tying means for press frames
US1960166A (en) * 1933-04-03 1934-05-22 Fredrich J Rode Press construction
US1977549A (en) * 1934-08-04 1934-10-16 Rudolph W Glasner Metal working press
US2173086A (en) * 1935-10-04 1939-09-19 Baldwin Southwark Corp Hydraulic press
US2348403A (en) * 1941-01-02 1944-05-09 Hydraulic Dev Corp Inc Method of making press structures
US2512246A (en) * 1946-07-16 1950-06-20 Francis B Fishburne Hydraulic press

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916987A (en) * 1953-07-18 1959-12-15 Hanni Eduard Press
DE1107485B (de) * 1955-12-16 1961-05-25 Eumuco Ag Fuer Maschb Knueppelschere
US3088063A (en) * 1958-05-26 1963-04-30 Bliss E W Co Press drive control
US3114311A (en) * 1963-05-13 1963-12-17 Paul P Steinle Bearing support for an eccentric driven power press
US3797385A (en) * 1972-05-10 1974-03-19 O Goff Motor-driven press and actuating means therefor
US3858432A (en) * 1972-09-05 1975-01-07 Minster Machine Co Press structure
US4020671A (en) * 1974-08-10 1977-05-03 Iwk Pressen Gmbh Press for the shaping of sheet metal without cutting
US4065954A (en) * 1974-11-20 1978-01-03 Erich Grau Stanzwerk Fur Elektrobleche Ram-guiding frame

Also Published As

Publication number Publication date
FR1023548A (fr) 1953-03-19
BE497618A (enrdf_load_stackoverflow)
GB665250A (en) 1952-01-16

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