US2323755A - Die punch - Google Patents

Die punch Download PDF

Info

Publication number
US2323755A
US2323755A US445841A US44584142A US2323755A US 2323755 A US2323755 A US 2323755A US 445841 A US445841 A US 445841A US 44584142 A US44584142 A US 44584142A US 2323755 A US2323755 A US 2323755A
Authority
US
United States
Prior art keywords
punch
quill
wedge
shank
tool
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
US445841A
Inventor
Jacob A Smith
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.)
CLAUDE A BENJAMIN
Original Assignee
CLAUDE A BENJAMIN
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 CLAUDE A BENJAMIN filed Critical CLAUDE A BENJAMIN
Priority to US445841A priority Critical patent/US2323755A/en
Application granted granted Critical
Publication of US2323755A publication Critical patent/US2323755A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00Chucks or sockets
    • Y10T279/34Accessory or component
    • Y10T279/3481Tool or workpiece ejector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53704Means to assemble or disassemble tool chuck and tool
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53796Puller or pusher means, contained force multiplying operator
    • Y10T29/53817Valve stem pin or key and another member

Definitions

  • the quills may be accuratelyrigidly and permanently mounted in the die pads while the punches lare securely and accurately mounted in the quills.
  • a tool comprising an elongated tube- I9 having a transverse bore VEl therein to receive .the quill.
  • the tube I 9 maybe made of any desired length s o that an operator can reach into a large die to replace a punch therein without difficulty-
  • a wedgeZ is slida-ble in the tube I9 and terminates in a flattened Wedge shape portion to enter the slots I8 and engage the upper end of the shank'.
  • the wedge may be held against rotation in the ISO Provide a die punch accurately supported on a tube by means such es e threaded plug as in the die pad aind readily removable therefrom for. re- Side of the tube engageablewith the Vmdgtt. ⁇ placemen
  • the tube I 9 is secured to a block formedof side
  • Another object of the invention is to provide a mates 2d Connected by end mates 25 and gg
  • the tool for removing diepunches operable at a dis- 20 Side and end plates may be. integrally or sepatance from the punch. I.
  • each side plate is ntler obJect of dthe rnvelilitionhils todprovlde integral with one of the end plates so that 'tle a 00 or removing ie pun@ es W Ch 09S not block is lorrnedbyv two L-sh'aped pieces.
  • e place a Strain 0n the punch holder or quill.
  • plete 2 5 is formed with e bore tereeeive the tube Stm another Object of the invention S t0 pro- 25 which may beheld against movement outwardly vide a tool for removing die punches which is Of the block by a' shoulder 27 engaging the end Operable quickly and easily yet which develops a plate.
  • a further object of the invention is to provide The head 2g on the Wedge engages a Cam gg a tooor removgg a 'gie mme?
  • lncludfg 112163115 30 shown as formed br an enlarged cyirllrica boss provi mg 3 mp1 m0 lon 0 a e up s ac an supported on pins 2 and having a a ene cam high leverage motion to provide the nal operatface e3 on one Side thereof to engage the head ing movement' A
  • the pins 32 are slidably and.
  • mgmb0dy1pg-themventlort 40 This mechanism, as shown, comprises a screw 36 msignlgh smclfde elevatlon of a tool for re ⁇ threaded into an end plate 26 and. having a knurled knob 3l at its outer end.
  • Flgures 3 4 and 5 are secmolilal lews of the In operation, when it is desired to remove a tolmlstla'tmg lts nnlner userzh 1m 6 6 punch from a quill, the opening 2I in the tube of Fglet 1s a par la' sec lon O ⁇ e e 45 I9 is slipped over the quill with the parts 1n Figure 1 mus-trenes e die including e bleek in fugstlglgg; dflitain'; ufbethl on Whlcha' pad- H 1S mounted' The pad 1s quin uni-.i1 the end of the wedge 22 is aligned with formed with a series of holes I 2 to receive punch the slot I8 and the screw 36 1s then turned until holders or quills I3 which may be accurately r0 the wedge engages the end of the shank I6 as located 1n the holes I2 and held therein by en d th larged
  • the present construction has the additional advantage of economy of manufacture. Because of the fact that only the small punches l1 need be made of high grade expensive steels while the quills may be made of low grade less expensive materials the cost of punches over conventional punches which had to be made of high grade steel throughout is materially reduced. Furthermore, since only the small punch part I1 need be replaced in the event of wear and breakage, the cost of maintaining the punches in proper operation is kept at a minimum.
  • a tool for use with a tool holder having a pad comprising a quill carried by the pad having a tapered opening at its outer end and a transverse slot intersecting the opening, a tool having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with a tool for removing the punch from the quill ⁇ comprising an elongated supporting member to engage and hold the quill and a wedge slidable longitudinally of the supporting member to enter the slot and force the tool from the quill.
  • a die punch for use with a die having a pad comprising a quill carried by the pad having a tapered opening at its outer end and a transverse slot intersecting the opening, a punch having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with a tool for removing the punch from the quill comprising an elongated tube having a transverse opening to receive the quill, a wedge slidable in the tube to enter the slot and engage the end of the punch shank, and means to move the wedge in the tube.
  • a punch removing tool comprising an elongated support to engage the quill, a wedge slidable longitudinally of the support to enter a slot in the quill and engage the punch shank, low leverage means to move the wedge into engagement with the shank, and higher leverage means thereafter to give the wedge an additional increment of movement.
  • a punch removing tool comprising an elongated support to engage the quill, a Wedge slidable longitudinally of the support to enter a slot in the quill and engage the punch shank, a cam movable relative to the support to engage and move the Wedge, and some means to move the cam.
  • a punch removing tool comprising an elongated tube having a transverse opening therein to receive the quill, a wedge slidable in the tube to enter a slot in the quill and engage the punch shank, and means connected to the tube to engage and move the wedge therein.
  • a punch removing tool comprising an elongated tube having a transverse opening therein to receive the quill, a wedge slidable in the tube to enter a slot in the quill and engage the punch shank, low leverage means to move the wedge in the tube until it engages the shank, and higher leverage means thereafter to give the wedge an additional increment of movement.
  • a punch removing tool comprising an elongated tube having a transverse opening therein to receive the quill, a wedge slidable in the tube to enter a slot in the quill and engage the punch shank, a block connected to the tube, a cam rotatably and slidably carried by the block and engaging the wedge to move it, land a screw in the block engaging the cam to slide it in the block.
  • a tool holder including a quill having a tapered opening at its outer end and a transverse slot intersecting the opening, a tool having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with means for removing the tool from the quill comprising an elongated supporting member to engage and hold the quill and a wedge slidable longitudinally of the supporting member to enter the slot and force the tool from the quill.
  • a tool holder including a quill having a tapered opening at its outer end and a transverse slot intersecting the opening, a tool having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with means for removing the tool from the quill comprising an elongated tube having a transverse opening to receive the quill, a wedge slidable in the tube to enter the slot in the quill and engage the end of the tool shank, and means to move the wedge in the tube.

Description

July 6, 1943. 1 A sMlTH 2,323,755
DIE PUNCH Filed June 5, 1942 lll/11 :fl/ll l,
Patented July 6, 1943 I DIE PUNCH Jacob A. smith, chicago, to Claude A.A Benj Ill., assigner of one-half amin, Chicago, Ill.
Application June 5, 1942, Serial No. 445,841
9 Claims. @LIM-124) :This invention relates to die punches and more particularly to punches adapted to be used with piercing dies and to means to remove the punches vfor repair or replacement.
Heretofore die punches have been supported in piercing dies by rigidly connecting the punch to the die pad. In the event of damage to the punch, it was necessary to remove the entire die pad for replacement of the damaged punch, .It has also been proposed removably to support punches in holders connected to the die pad in which constructions a relatively loose mounting of the punch has `been required resulting in a loss of accuracy.-
the quills. By this'construction, the quills may be accuratelyrigidly and permanently mounted in the die pads while the punches lare securely and accurately mounted in the quills.
In order to remove a punch from its quill in the event of damage to the punch, a tool is provided comprising an elongated tube- I9 having a transverse bore VEl therein to receive .the quill. The tube I 9 maybe made of any desired length s o that an operator can reach into a large die to replace a punch therein without difficulty- A wedgeZ is slida-ble in the tube I9 and terminates in a flattened Wedge shape portion to enter the slots I8 and engage the upper end of the shank'.
One of the objects of the present invention is l5 The wedge may be held against rotation in the ISO Provide a die punch accurately supported on a tube by means such es e threaded plug as in the die pad aind readily removable therefrom for. re- Side of the tube engageablewith the Vmdgtt.` placemen The tube I 9 is secured to a block formedof side Another object of the invention is to provide a mates 2d Connected by end mates 25 and gg The tool for removing diepunches operable at a dis- 20 Side and end plates may be. integrally or sepatance from the punch. I. rately formed but preferably each side plate is ntler obJect of dthe rnvelilitionhils todprovlde integral with one of the end plates so that 'tle a 00 or removing ie pun@ es W Ch 09S not block is lorrnedbyv two L-sh'aped pieces. e place a Strain 0n the punch holder or quill. plete 2 5 is formed with e bore tereeeive the tube Stm another Object of the invention S t0 pro- 25 which may beheld against movement outwardly vide a tool for removing die punches which is Of the block by a' shoulder 27 engaging the end Operable quickly and easily yet which develops a plate. The wedge 22 extends beyond the shoulder high degree of force to remove the punch from 21 and terminates in an enlarged end 2g Whig? the holder' is urged inwardly of the block by a coil spring A further object of the invention is to provide The head 2g on the Wedge engages a Cam gg a tooor removgg a 'gie mme? lncludfg 112163115 30 shown as formed br an enlarged cyirllrica boss provi mg 3 mp1 m0 lon 0 a e up s ac an supported on pins 2 and having a a ene cam high leverage motion to provide the nal operatface e3 on one Side thereof to engage the head ing movement' A The pins 32 are slidably and. rotatably supported flle abovetand qflhr obietsnnfdoadvtgltcgs 35 in elongated slots ed in the eidg pieies 2da lend 0 e mven-1on W1 e app te r m, e ,O` cam is adapted to be turned y a an ever lowing 'descmpton when. read m cpnnectlon Wlth secured thereto. The position of the pins in the theaccompanymg qrawmgf m Whlch` h t slots may be determmed by a screw mechanism Flgure l 1.5 a' parlal seguo? of a punc mmm for advancing thel cam to take up loose motion. mgmb0dy1pg-themventlort 40 This mechanism, as shown, comprises a screw 36 msignlgh smclfde elevatlon of a tool for re` threaded into an end plate 26 and. having a knurled knob 3l at its outer end.
Flgures 3 4 and 5 are secmolilal lews of the In operation, when it is desired to remove a tolmlstla'tmg lts nnlner userzh 1m 6 6 punch from a quill, the opening 2I in the tube of Fglet 1s a par la' sec lon O` e e 45 I9 is slipped over the quill with the parts 1n Figure 1 mus-trenes e die including e bleek in fugstlglgg; dflitain'; ufbethl on Whlcha' pad- H 1S mounted' The pad 1s quin uni-.i1 the end of the wedge 22 is aligned with formed with a series of holes I 2 to receive punch the slot I8 and the screw 36 1s then turned until holders or quills I3 which may be accurately r0 the wedge engages the end of the shank I6 as located 1n the holes I2 and held therein by en d th larged upper end portions M shown 1n Figure 4. During this movement, e cam is not turned but is moved bodily in the The qu1lls I3 are formed at their outer ends .th with tapered openings I5 to receive tapered blOCk by engagement Of the SCTSW 35 theleWl Shanks it of punches l1, The upper ends of Thereafter, the lever t5 may be swung counterthe Shanks I6 extend into transverse slots I8 in 55 clockwise as shown 1n Flgure 5 to force the wedge 22 forwardly with a high leverage. This final increment of movement which may be relatively small will cause the wedge to move the shank downwardly in the quill to loosen it therefrom so that it may drop out freely.
In addition to the ease of removal and replacement of punches as explained above, the present construction has the additional advantage of economy of manufacture. Because of the fact that only the small punches l1 need be made of high grade expensive steels while the quills may be made of low grade less expensive materials the cost of punches over conventional punches which had to be made of high grade steel throughout is materially reduced. Furthermore, since only the small punch part I1 need be replaced in the event of wear and breakage, the cost of maintaining the punches in proper operation is kept at a minimum.
While one embodiment of the invention has been shown and described in detail, it will be understood that it is illustrative only and is not intended as a definition of the scope of the invention, reference being had for this purpose to the appended claims.
What is claimed is:
l. A tool for use with a tool holder having a pad, comprising a quill carried by the pad having a tapered opening at its outer end and a transverse slot intersecting the opening, a tool having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with a tool for removing the punch from the quill `comprising an elongated supporting member to engage and hold the quill and a wedge slidable longitudinally of the supporting member to enter the slot and force the tool from the quill.
2. A die punch for use with a die having a pad, comprising a quill carried by the pad having a tapered opening at its outer end and a transverse slot intersecting the opening, a punch having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with a tool for removing the punch from the quill comprising an elongated tube having a transverse opening to receive the quill, a wedge slidable in the tube to enter the slot and engage the end of the punch shank, and means to move the wedge in the tube.
3. In a die punch having a quill with a tapered end opening to receive a tapered shank on a punch, a punch removing tool comprising an elongated support to engage the quill, a wedge slidable longitudinally of the support to enter a slot in the quill and engage the punch shank, low leverage means to move the wedge into engagement with the shank, and higher leverage means thereafter to give the wedge an additional increment of movement.
4. In a die punch having a quill with a tapered end opening to receive a tapered shank on a punch, a punch removing tool comprising an elongated support to engage the quill, a Wedge slidable longitudinally of the support to enter a slot in the quill and engage the punch shank, a cam movable relative to the support to engage and move the Wedge, and some means to move the cam. Y
5. In a die punch having a quill with a tapered end opening to receive a tapered shank on a punch, a punch removing tool comprising an elongated tube having a transverse opening therein to receive the quill, a wedge slidable in the tube to enter a slot in the quill and engage the punch shank, and means connected to the tube to engage and move the wedge therein.
6. In a die punch having a quill with a tapered end opening to receive a tapered shank on a punch, a punch removing tool comprising an elongated tube having a transverse opening therein to receive the quill, a wedge slidable in the tube to enter a slot in the quill and engage the punch shank, low leverage means to move the wedge in the tube until it engages the shank, and higher leverage means thereafter to give the wedge an additional increment of movement.
'7. In a die punch having a quill with a tapered end opening to receive a tapered shank on a punch, a punch removing tool comprising an elongated tube having a transverse opening therein to receive the quill, a wedge slidable in the tube to enter a slot in the quill and engage the punch shank, a block connected to the tube, a cam rotatably and slidably carried by the block and engaging the wedge to move it, land a screw in the block engaging the cam to slide it in the block.
8. A tool holder including a quill having a tapered opening at its outer end and a transverse slot intersecting the opening, a tool having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with means for removing the tool from the quill comprising an elongated supporting member to engage and hold the quill and a wedge slidable longitudinally of the supporting member to enter the slot and force the tool from the quill.
9. A tool holder including a quill having a tapered opening at its outer end and a transverse slot intersecting the opening, a tool having a tapered shank fitting in the opening with the end of the shank extending into the slot, in combination with means for removing the tool from the quill comprising an elongated tube having a transverse opening to receive the quill, a wedge slidable in the tube to enter the slot in the quill and engage the end of the tool shank, and means to move the wedge in the tube.
JACOB A. SMITH.
US445841A 1942-06-05 1942-06-05 Die punch Expired - Lifetime US2323755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US445841A US2323755A (en) 1942-06-05 1942-06-05 Die punch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US445841A US2323755A (en) 1942-06-05 1942-06-05 Die punch

Publications (1)

Publication Number Publication Date
US2323755A true US2323755A (en) 1943-07-06

Family

ID=23770403

Family Applications (1)

Application Number Title Priority Date Filing Date
US445841A Expired - Lifetime US2323755A (en) 1942-06-05 1942-06-05 Die punch

Country Status (1)

Country Link
US (1) US2323755A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631363A (en) * 1949-09-30 1953-03-17 Fahlstrom Verne Cotter pin tool
US3724056A (en) * 1969-06-16 1973-04-03 J Antal Ejection tool
AU2017204503B2 (en) * 2011-11-11 2019-04-18 Wilson Tool International Inc. Punch tool, punch tip and method of securing a punch tip with a punch body
US11667051B2 (en) 2020-09-23 2023-06-06 Wilson Tool International Inc. Punch assemblies and toolless systems thereof for tip retention and release

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631363A (en) * 1949-09-30 1953-03-17 Fahlstrom Verne Cotter pin tool
US3724056A (en) * 1969-06-16 1973-04-03 J Antal Ejection tool
AU2017204503B2 (en) * 2011-11-11 2019-04-18 Wilson Tool International Inc. Punch tool, punch tip and method of securing a punch tip with a punch body
US11667051B2 (en) 2020-09-23 2023-06-06 Wilson Tool International Inc. Punch assemblies and toolless systems thereof for tip retention and release

Similar Documents

Publication Publication Date Title
US2107581A (en) Tool retainer
US2323755A (en) Die punch
US1016594A (en) Clamp and gage.
US1697747A (en) Key-duplicating machine
KR102246942B1 (en) Cutting mechanism for forging
US1611876A (en) Riveting machine
US2626663A (en) Key cutting machine
US1570994A (en) Spring-forming die
US2326588A (en) Clamping mechanism for perforating apparatus and other parts
US2692756A (en) Mounting for rock drills
US2276941A (en) Straightening machine
US2292625A (en) Automobile repair tool
US1938666A (en) Strap cutting device
US2244199A (en) Cutter chain
US1128240A (en) Arbor-press.
US889728A (en) Apparatus or tool for reducing the ends of boiler-flues.
US2679292A (en) Brake lining stripper
US1458217A (en) Key-cutting machine
US3093365A (en) Cutting bit holders
US2029944A (en) Recess forming punch and holder
US645889A (en) Die for forging car-wheels.
US1634752A (en) Combination die for use in perforating machines
US2137225A (en) Shaping tool for saw teeth
US2685927A (en) Flange and/or hole cutting machine for sheet material
US1682694A (en) Combination tool