Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B30—PRESSES
  • B30B—PRESSES IN GENERAL
  • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
  • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
  • B30B15/026—Mounting of dies, platens or press rams
• • 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
  • B21D28/00—Shaping by press-cutting; Perforating
  • B21D28/24—Perforating, i.e. punching holes
  • B21D28/34—Perforating tools; Die holders
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
  • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
  • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
  • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
  • B26D7/2614—Means for mounting the cutting member

Definitions

• the invention relates to a holding arrangement for securing a
• An object of the present invention is to create a holding
• this object is attained in that in a
• the holder is covered by a holding element which forms an abutment for the
• element is embodied as a key which is seated in a groove in the holder and
• a key is provided on the top
• the calibration ring is thicker than in normal holders, and the projection distance of the
• punching tool out of the holder is correspondingly less.
• the holding arrangement of the present invention allows the use of
• the punching tool insert is preferably provided with a coating that
• the coating can develop its full effect, since while a
• a coating do not depend on the area to be coated but rather on the volume
• a convex elongated rounded indentation is shortened.
• the reduction in the length of the shaft end is available especially in very thin holders, in order to
• openings or bores for instance parallel or vertical to the recess opening, can
• FIG. 1 is a cross sectional view through a holder without a
• FIG. 2 is a side view of the holder of Fig. 1 ;
• FIG. 3 shows a detail of the tool of Fig. 2;
• Fig. 4 is a side elevational view of a punching tool insert
• Fig. 5 is a partial cross-sectional view taken along line 5-5 of
• Fig. 6 is a cross sectional view through a device for expelling a
• FIG. 1 shows a holder 10 for a punching tool insert (an example
• the calibration ring 16 which as will be
• the calibration ring 16 is provided with a recess opening 18, into
• a key 22 is secured in a groove 24 on the top of the calibration
• the recess opening 18 is less than the full width of the conduit 28.
• the ball 32 rests in an elongated rounded convex indentation in the surface
• a suitable tool insert 43 is shown in Figs. 4 and 5. This tool
• insert 43 is relatively short in length, for reasons described above. It
• the tool insert includes a tapered portion 47 in the form of a conical guide extending downwardly from the shaft end 45.
• This conical guide 47 is a conical guide extending downwardly from the shaft end 45.
• This second opening is in the form of an oblong slot 38, the width of which is narrower than the diameter of the ball 32, so as not to hinder the motion of
• outer edge of the oblong slot 38 can be used as a bearing surface for the
• Fig. 6 shows the removal of the punching tool insert from the
• the changing device 50 has
• a receptacle 52 which in terms of geometry is made similar to the
• a lever 56 of the changing device 50 acts on a linearly guided expulsion element 58, which has a pin 60 that protrudes
• the tool insert first forces the ball 32 backward until the ball can snap

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Forests & Forestry (AREA)
• Gripping On Spindles (AREA)
• Mounting, Exchange, And Manufacturing Of Dies (AREA)

Applications Claiming Priority (3)

Publications (3)

Family

ID=7665812

Family Applications (1)

Country Status (4)

Families Citing this family (6)

Family Cites Families (4)

• 2000
  • 2000-12-04 DE DE10060339.4A patent/DE10060339B4/de not_active Expired - Fee Related
• 2001
  • 2001-12-03 EP EP01999465A patent/EP1406752B1/de not_active Expired - Lifetime
  • 2001-12-03 AU AU2002219995A patent/AU2002219995A1/en not_active Abandoned
  • 2001-12-03 WO PCT/US2001/045102 patent/WO2002045924A1/en not_active Application Discontinuation

Non-Patent Citations (2)

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