GB713860A - Improvements relating to presses for working metal plates, sheets or strips - Google Patents

Improvements relating to presses for working metal plates, sheets or strips

Info

Publication number
GB713860A
GB713860A GB2511051A GB2511051A GB713860A GB 713860 A GB713860 A GB 713860A GB 2511051 A GB2511051 A GB 2511051A GB 2511051 A GB2511051 A GB 2511051A GB 713860 A GB713860 A GB 713860A
Authority
GB
United Kingdom
Prior art keywords
ram
lever
workpiece
grippers
press
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
Application number
GB2511051A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2511051A priority Critical patent/GB713860A/en
Publication of GB713860A publication Critical patent/GB713860A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

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

Abstract

713,860. Stamping. RHODES, C. J. Oct. 15, 1952 [Oct. 26, 1951], No. 25110/51. Class 83 (4) Blank punching.-A stamping or punching press for metal plates, sheets or strip comprises a ram guided for linear movement on a slide, a lever mounted to pivot on a fixed fulcrum, a beam connected with the ram and means for rocking the beam about a pivot on the lever thereby to move the ram in its working and return strokes. The press comprises a ram 1 slidably mounted on vertical slide bars 2, 3 for movement to and from a bed plate 5. The ram is operated by a beam 6 the centre of which is pivoted on the ram. One end of the beam is pivoted on a lever 8 which is itself pivotally mounted on the frame 4 of the press. The other end of the beam is connected with a variable-throw crankshaft 10 driven by a motor (not shown). Feed grippers 12, 13 on each side of the punch 14 carried by the ram automatically grip the workpiece (not shown) during the return stroke of the ram by means of cam-operated linkages 15, 16 connected with the ram. The lever 8 to which the beam is connected has a downward extension 8a which is linked with the feed grippers 12, 13 by a bar 17. As the lever 8 pivots during upward movement of the beam the. bar 17 is moved forward with the feed grippers to advance the workpiece. The grippers release the workpiece and are returned to their initial position during the working stroke of the ram when hold-down grippers 18 retain the workpiece in position.
GB2511051A 1951-10-26 1951-10-26 Improvements relating to presses for working metal plates, sheets or strips Expired GB713860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2511051A GB713860A (en) 1951-10-26 1951-10-26 Improvements relating to presses for working metal plates, sheets or strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2511051A GB713860A (en) 1951-10-26 1951-10-26 Improvements relating to presses for working metal plates, sheets or strips

Publications (1)

Publication Number Publication Date
GB713860A true GB713860A (en) 1954-08-18

Family

ID=10222371

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2511051A Expired GB713860A (en) 1951-10-26 1951-10-26 Improvements relating to presses for working metal plates, sheets or strips

Country Status (1)

Country Link
GB (1) GB713860A (en)

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