EP1604751A1 - Dispositif de poinçonnage et poinçon - Google Patents

Dispositif de poinçonnage et poinçon Download PDF

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Publication number
EP1604751A1
EP1604751A1 EP05011615A EP05011615A EP1604751A1 EP 1604751 A1 EP1604751 A1 EP 1604751A1 EP 05011615 A EP05011615 A EP 05011615A EP 05011615 A EP05011615 A EP 05011615A EP 1604751 A1 EP1604751 A1 EP 1604751A1
Authority
EP
European Patent Office
Prior art keywords
head
recess
punch according
shaft
punch
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.)
Granted
Application number
EP05011615A
Other languages
German (de)
English (en)
Other versions
EP1604751B1 (fr
Inventor
Hans-Joachim Halamoda
Siegfried Beerhalter
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Publication of EP1604751A1 publication Critical patent/EP1604751A1/fr
Application granted granted Critical
Publication of EP1604751B1 publication Critical patent/EP1604751B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9428—Shear-type male tool
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9428—Shear-type male tool
    • Y10T83/943—Multiple punchings
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9476—Tool is single element with continuous cutting edge [e.g., punch, etc.]

Definitions

  • the invention relates to a punching device and its Punch.
  • the invention relates to a stamping device and a punch for unburned areal Ceramic substrates, in particular so-called green Sheets.
  • Green sheets usually have to be produced during their manufacture be provided with a number of small holes later serve for example for the passage of conductors, the be applied to the ceramic substrates. It is about thereby relatively small holes of significantly less than one Millimeters in diameter, with such holes in large numbers are to be attached.
  • the punching device has a corresponding large number of punches on.
  • the punches are provided with heads, in a holding device, for example a holding plate, are held to with this in the shaft longitudinal direction, i. e.g. to be moved up and down.
  • a similar punching device is for example off EP 0 354 152 B1.
  • the punches will be here moved by magnetic drives. These punches are also each with a head attached to the elongated shaft the punch is attached.
  • the punches are in their activity of a high exposed to abrasive stress. You must therefore from one designed according wear-resistant hard material be. They are therefore made of an elongated needle-like Body trained, in which usually other Material existing head to approach the top plate or other Drives is subsequently recognized.
  • the punches for green sheets can usually not be provided with artificial heads. Due to the low Diameter of the shanks of the punches arise usually also no sufficiently durable form-fitting connections between a plastic head and the punch.
  • the production of the punch is very short Cycle times possible. It just has to be a head blank over pushed the shaft and then by a suitable deformation process for plastic deformation of the head on the Shank to be secured.
  • the manufacturing processes with those this can be realized, for example, embossing, pressing, Rolling, hammering or other non-cutting methods Shaping. Is the head of a low-melting If necessary, he could also use metal in a casting process, for example in a die-casting process. However, this is considered less advantageous because the associated effort is higher.
  • the projection securing the head to the shaft is like mentioned, preferably by plastic deformation of the head blank generated. This is done on the head during production formed a depression.
  • the shape corresponds the recess of the shape of the recess provided on the shaft. If this example, an annular bead, is at the otherwise cylindrical outer circumferential surface of the head preferably formed an annular recess. This will the required plastic deformation of the head to a minimum limited.
  • a restraining or deforming pressure e.g. in Form axial direction on the head to the radially after directed inward flow of the head material into the recess of the stem.
  • the recess of the shaft preferably has a waisted Shape up. Sharp edges are avoided to cancel of the slender shaft in the region of the recess not to favor.
  • the recess is through a annular concavely curved ring surface bounded, the edged and is formed without heel. The depression then has a adapted form.
  • the head preferably sits at the end of the shaft, which is opposite to the working part. He prefers sitting at the end of the shaft, leaving the shaft end with the head closes or slightly protrudes from the head. It has proved to be advantageous, the recess and accordingly the protrusion of the recess reaching into the recess Head close to the shaft end to order.
  • the Passage of the head at the remote from the shaft end Side on a cylindrical guide portion which on the Head attacking tilting moments on the shaft transfers or on this supported without the weakened by the recess Zone of the shaft. This is especially true if the Recess of the shaft, as is preferably the case to the upper, the shank end facing the plan surface of the head concludes.
  • the head preferably has before its plastic deformation a through hole whose width is slightly larger than that of the shaft, so that the shaft is low Game can be introduced into the head. After the plastic Deformation, the head sits without play on the shaft.
  • the through-hole of the head is on whole Length has been narrowed so far that the head is gapless on the Shaft is seated.
  • a cohesive connection can be provided become.
  • This can for example be an adhesive bond be.
  • the advantage of this measure is for example in the easy application of the adhesive before the plastic Deformation process housed in the recess of the shaft can be.
  • the adhesive for positive locking Securing the head on the shaft after the plastic Deformation of the head is introduced by capillary action retracts between stem and head after application.
  • the recesses can be around the whole Scope of the shaft around or just over a part extend and axially spaced from each other or be arranged at the same height.
  • a punching tool 1 is illustrated, to a lower tool 2 and an upper tool 3 belong.
  • the Upper tool 3 is by means of two guides 4, 5 on the lower tool 2 back and forth linearly reciprocating movable.
  • the lower tool 2 contains a support plate or receiving device 6, formed in the punched holes 7 are.
  • the punch holes 7 are numerous in the platen 6 and formed in such places, where in one on the Platen 6 applied green sheet (unfired ceramic substrate) Holes are to be punched out.
  • These are on the upper tool 3 punch 8 arranged on the lower tool 2 and point above the support plate 6 ends.
  • the punches 8 can dip into the punch holes 7 when they are moved down.
  • Above the platen 6 is to guide the punch 8 and hold down the on the platen lying Green Sheets a hold-down plate 9, which have been omitted in Figure 1 is to look at the punch 8 and the recording device 6 free.
  • the upper tool 3 together with hold-down plate 9 go out Figure 2 shows.
  • the hold-down plate 9 is above the Platen 6 regardless of the punching movement of the stamp 8 arranged vertically movable and defined with this one Gap 11 for receiving a not illustrated green Sheets.
  • the hold-down plate 9 is connected to the upper tool. 3 connected or part of the same and movable with this.
  • One Arrow 12 indicates the direction of movement of the upper tool 3.
  • the punch 8 is in the hold-down plate 9 by at least a guide bush 13 and possibly another at the Hold-down plate 9 provided guide bush 14 axially guided.
  • the punch 8 at its lower, in the Guide bush 14 projecting part preferably a multi-stepped Profile and a slim working part 15. this is associated with the punch hole 7, which in one of the receiving device 6 held sleeve 16 is formed.
  • the punch 8 is in an upper holding device 17 held axially immovable, which serves to the stamp 8 to give its axial movement.
  • the holding device 17 belongs to the upper tool 3. It can basically be different Be formed manner. It is essential that it has a drive element 18, in the present embodiment is designed as a plate and serves to move the punch 8 down.
  • a return element 19, in the present Embodiment is designed as a plate and to serves the punch 8 against its punching direction, i. of the Recording device 6 to move away.
  • the driving element 18 and the return member 19 forming plates can, as represented, firmly against each other or against each other be designed to be movable. You can by spring means against each other be curious and the stamp 8 between each other Clamp. It may also not illustrated spring means provided between the punch 8 and the holding device 17 be.
  • the punch 8 has at least one preferably cylindrical elongated shaft 21 and one preferably also essentially cylindrical head 22, the form-fitting connected to each other.
  • the Shank 21 and the head 22 preferably made of different Metals.
  • the shaft 21 is in terms of its Stan properties optimized. In particular, at its working part 15 subject he suffered a considerable amount of wear, in particular in the area of its cutting edges. This is by a suitable Material choice encountered.
  • the shaft 21 thus exists made of a suitable steel.
  • the head 22, however, serves only to the required driving forces in the stamp. 8 initiate. On oversized hardness or wear resistance it does not matter. He is thus as a separate part from a suitable metal, such as a good one deformable steel or other metals and attached to the shaft 21.
  • the shaft 21 has for attachment of the head 22 a recess 23, for example in Shape of a shank 21 surrounding flat annular bead.
  • This has, as Figure 3 illustrates, a waisted Shape up.
  • the limiting annular surface 24 is edged and formed without a heel.
  • the axial length of the annular surface 24 exceeds the depth of the recess 23 by far.
  • the axial Length of the annular surface 24 also exceeds the largest diameter the annular surface 24 by far.
  • it has to be advantageous exposed if the axial length also the circumference the ring surface 24 exceeds, as he in place with smallest diameter of the annular surface 24 is to measure.
  • the head 22 is made of an initially hollow cylindrical Blank 22 'is formed, which has a central through hole 25 has.
  • the diameter of the through-hole is preferably slightly larger than the shaft diameter, so that the Blank 22 'pushed over the shaft 21 without difficulty can be.
  • the blank 22 ' deformed This can be seen by comparing Figures 3 and 4.
  • the head 22 is with one on its cylindrical Outer surface 26 provided around running recess 27, the by a radially inward compression of the head 22 has emerged.
  • the recess 27 corresponds in shape preferably the shape of the recess 23.
  • the material of Head 22 flows to form a radially inwardly directed rib-like projection 28 in the recess 23rd one.
  • the head 22 is thus in particular in the region of the recess 23 flat and gapless on the annular surface 24 at. Furthermore the head 22 can also be radial in its remaining area be compressed to the inside, so that its through hole 25th completely and preferably with a certain bias the shank 21 abuts.
  • the head 22 thus has an upper, for the introduction of force serving planar surface 29, a lower, also serving for force application plane surface 31 and a cylindrical surface 26 on which the lower, the Working part 15 of the shaft 21 facing plane surface 31st borders.
  • the head 22 is arranged that the plane surface 29 substantially with an upper Edge 32 is aligned, in which the cylindrical shaft 21 in the curved annular surface 24 passes.
  • On the other hand is located the other edge 33 at which the annular surface 24 ends, preferably approximately at mid-height of the head 22.
  • the presented configuration has the advantage that the Head 22 on the shaft 21 in an axially desired and selected Position can be attached. It plays the Precision of the position of the recess 23 does not matter. The position of the head 22 becomes at the moment of crimping the head 22 set. Other manufacturing tolerances play thereby no or only a very minor role. It can be thus in a simple way punches 8 in high quality produce. It can also be in the simplest way very different Create embodiments by, for example differently shaped heads 22 with shafts 21 a and of the same type. It can be different axial head lengths or head diameters or head materials be applied. In addition, the heads 22 in different Axial positions in which the recess 23rd is within the through hole 25, to be attached. Furthermore, it is possible, the recesses 23 at different To mount shaft positions. This is especially true if the recesses 23 in a machining process, for example by grinding become.
  • the upper tool 3 becomes moved back and forth in the direction of arrow 12.
  • the head 22 is between the drive element 18 and the return element 19 held. Both grip on the flat surfaces 29, 31 of the Head 22 on.
  • the power transmission between the head 22 and the shaft 21 takes place by positive engagement between the Projection 28 and the recess 23 ( Figure 4).
  • the power transmission is flat and uses the entire ring surface 24. It Therefore, neither comes to local voltage peaks, nor Shear effects. Even with fast work, the heads dissolve 22 of the stamps 8 not. This is an essential asset deriving from the fact that the projection 28 and the Recess 23 are the same shape or, strictly speaking, to each other have completely complementary shapes.
  • the head 22 also extend upward beyond the recess 23, so that the upper plane 29 an axial distance to the edge 32 has. Preferably, however, remains between the lower plane 31 of the head 22 and the lower Edge 33 of the shaft 21 an axial distance, at least is about as large as the axial length of the recess 23rd and which is much larger than the diameter of the shaft 21. As a result, the head 22 is tilt-proof on the shaft 21st held.
  • Figures 9 and 10 illustrate a modified Embodiment of the punch 8, wherein the head 22 in addition for positive locking cohesively on the Shank 21 is secured.
  • a suitable connecting means for example by pressure or heat or intimate metal contact curing adhesive 37 is arranged. This one will when donning the blank 22 'not stripped and thus remains as a depot in the recess 23.
  • the adhesive 37 is largely displaced, where he on both sides of the recess 23 in the between the head 22 and the shaft 21 formed gap penetrates and this under the formation of an adhesive joint 38 fills.
  • the adhesive 27 can subsequently cure over time. In addition, can it is cured by heat. It can too Adhesives are used which cure once the glue line a minimum size falls below, as happens with some instant adhesives the case is.
  • the punch of the invention has a positive fit held head 22 on.
  • the head 22 is at the Shank 21 of the punch 8 held by by plastic Deformation, for example by radial pressure application, material displaced radially inward, so that a Projection 28 forms the area on the wall of a Recess 23 is present. It is a safer and more permanent Force transfer ensured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP20050011615 2004-06-09 2005-05-30 Dispositif de poinçonnage et poinçon Expired - Fee Related EP1604751B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004009138U 2004-06-09
DE200420009138 DE202004009138U1 (de) 2004-06-09 2004-06-09 Stanzeinrichtung und Stanzstempel für diese

Publications (2)

Publication Number Publication Date
EP1604751A1 true EP1604751A1 (fr) 2005-12-14
EP1604751B1 EP1604751B1 (fr) 2007-04-18

Family

ID=32864820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050011615 Expired - Fee Related EP1604751B1 (fr) 2004-06-09 2005-05-30 Dispositif de poinçonnage et poinçon

Country Status (5)

Country Link
US (1) US7578224B2 (fr)
EP (1) EP1604751B1 (fr)
JP (1) JP4966516B2 (fr)
KR (1) KR20060048260A (fr)
DE (2) DE202004009138U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690148A (zh) * 2015-02-27 2015-06-10 齐鲁工程装备有限公司 一种锻造圆钢冲孔设备

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817045B (zh) * 2010-03-19 2011-08-31 中国电子科技集团公司第二研究所 可旋转式生瓷带冲孔组件
CN104626374B (zh) * 2014-12-22 2016-08-24 中国电子科技集团公司第二研究所 打孔机转动机构
US11466453B2 (en) * 2015-01-23 2022-10-11 United States Gypsum Company Wallboard punch assembly with stripper bushings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379083A (en) * 1965-11-19 1968-04-23 Oberg Mfg Co Inc Machineable headed punch
US3650163A (en) * 1969-06-07 1972-03-21 Holland Ltd I Punches
CH638714A5 (en) * 1978-09-02 1983-10-14 Rohde & Schwarz Precision clipping punch
US4700601A (en) * 1986-04-28 1987-10-20 Velo Bind Inc. Punch pin head structure
EP1005963A2 (fr) * 1998-12-02 2000-06-07 Groz-Beckert Kommanditgesellschaft Dispositif de poinçonnage ayant des poinçons remplaçables

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2359682A (en) * 1944-01-11 1944-10-03 Curtiss Wright Corp Punch press die
US3186284A (en) * 1961-11-01 1965-06-01 Minnie Punch & Die Company Inc Punching die set
US3334406A (en) * 1965-04-05 1967-08-08 Minnie Punch & Die Company Inc Method for alignment and mounting of a piercing punch
JPS4897320A (fr) * 1972-03-24 1973-12-12
US3974728A (en) 1975-08-14 1976-08-17 Pivot Punch Corporation Multi-part punch
JPS6434699A (en) * 1987-07-27 1989-02-06 Yoshio Mihashi Mounting hole of punch edge for perforator and fixture thereof
US4872381A (en) 1988-07-13 1989-10-10 International Business Machines Corp. Programmable magnetic repulsion punching apparatus
JP2508102Y2 (ja) * 1990-05-14 1996-08-21 ユーエイチティー株式会社 穿孔装置
JP3474235B2 (ja) * 1993-09-29 2003-12-08 イビデン株式会社 貫通孔形成用金型の製造方法
JP3616821B2 (ja) * 1995-12-14 2005-02-02 Ｎｏｋ株式会社 挿入ガイド付カシメ装置
JP3305221B2 (ja) * 1995-12-25 2002-07-22 日本碍子株式会社 シート材の順送り加工装置
JPH1015896A (ja) * 1996-07-08 1998-01-20 U H T Kk パンチ
JP2003094129A (ja) * 2001-09-25 2003-04-02 Musashi Seimitsu Ind Co Ltd ロッドの連結構造及びそのかしめ成形装置
JP2005224806A (ja) * 2004-02-10 2005-08-25 Misumi Group Inc パンチ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379083A (en) * 1965-11-19 1968-04-23 Oberg Mfg Co Inc Machineable headed punch
US3650163A (en) * 1969-06-07 1972-03-21 Holland Ltd I Punches
CH638714A5 (en) * 1978-09-02 1983-10-14 Rohde & Schwarz Precision clipping punch
US4700601A (en) * 1986-04-28 1987-10-20 Velo Bind Inc. Punch pin head structure
EP1005963A2 (fr) * 1998-12-02 2000-06-07 Groz-Beckert Kommanditgesellschaft Dispositif de poinçonnage ayant des poinçons remplaçables

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690148A (zh) * 2015-02-27 2015-06-10 齐鲁工程装备有限公司 一种锻造圆钢冲孔设备

Also Published As

Publication number Publication date
DE502005000599D1 (de) 2007-05-31
US20050274251A1 (en) 2005-12-15
JP2005349561A (ja) 2005-12-22
US7578224B2 (en) 2009-08-25
JP4966516B2 (ja) 2012-07-04
KR20060048260A (ko) 2006-05-18
DE202004009138U1 (de) 2004-08-12
EP1604751B1 (fr) 2007-04-18

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