GB897344A - Press-forging device - Google Patents

Press-forging device

Info

Publication number
GB897344A
GB897344A GB40264/59A GB4026459A GB897344A GB 897344 A GB897344 A GB 897344A GB 40264/59 A GB40264/59 A GB 40264/59A GB 4026459 A GB4026459 A GB 4026459A GB 897344 A GB897344 A GB 897344A
Authority
GB
United Kingdom
Prior art keywords
die
cylinder
plunger
piston
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
GB40264/59A
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.)
Wagner and Co Werkzeugmaschinenfabrik Mbh
Original Assignee
Wagner and Co Werkzeugmaschinenfabrik Mbh
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 Wagner and Co Werkzeugmaschinenfabrik Mbh filed Critical Wagner and Co Werkzeugmaschinenfabrik Mbh
Publication of GB897344A publication Critical patent/GB897344A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure

Abstract

897,344. Forging. WAGNER & CO. WERKZEUGMASCHINENFABRIK. Nov. 26, 1959 [Nov. 27, 1958], No. 40264/59. Class 83 (4). Apparatus for forging a workpiece into a shaped body 24 having an internal recess closed at one end, comprises a pair of dies 10, 13 whose outer edges 11, 15 are arranged to contact and thus define a closed cavity 12, 14, and a plunger 18 movable in one of the dies towards the cavity for forming the recess in the workpiece. The upper die 10 is carried by a piston 4 movable within a cylinder 3 mounted on the ram 1 of a crank-operated press. Plunger 18 biased upwardly by spring 20 which also acts on an ejector and guide sleeve 21, has a piston portion 17 operating within a cylinder 16 formed in piston 4. A heated square or cylindrical steel blank is placed on die 14 and the press ram 1 operated to act through hydraulic or pneumatic fluid in cylinder 3 and press the die 10 downwards thereby shaping the outside of the workpieee. Increasing pressure acting on piston 17 then causes plunger 18 to form the recess. Upon retraction of the ram, sleeve 21 ejects the body from die cavity 12. The die 13 may be a flat plate. In another embodiment, Fig. 2, the plunger 18 operates within the lower fixed die 14 and is pressed upwardly by the excess pressure in cylinder 3 acting through pipes 9, 30 and slide valve 39. Hydraulic liquid is supplied to the cylinder 3, 31 from a air.loaded reservoir 33 through valve 34. An excess pressure valve 35 relieves the pressure when the plunger 18 has penetrated to the required depth.
GB40264/59A 1958-11-27 1959-11-26 Press-forging device Expired GB897344A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE897344X 1958-11-27

Publications (1)

Publication Number Publication Date
GB897344A true GB897344A (en) 1962-05-23

Family

ID=6848665

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40264/59A Expired GB897344A (en) 1958-11-27 1959-11-26 Press-forging device

Country Status (1)

Country Link
GB (1) GB897344A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174324A (en) * 1985-05-01 1986-11-05 Gkn Forgings Ltd Forging press
CN115229101A (en) * 2022-07-22 2022-10-25 盐城市崇达石化机械有限公司 Integral forging process and equipment for valve body of fracturing pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174324A (en) * 1985-05-01 1986-11-05 Gkn Forgings Ltd Forging press
CN115229101A (en) * 2022-07-22 2022-10-25 盐城市崇达石化机械有限公司 Integral forging process and equipment for valve body of fracturing pump
CN115229101B (en) * 2022-07-22 2023-09-19 盐城市崇达石化机械有限公司 Integral forging process and equipment for fracturing pump valve body

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