EP1259371B1 - Keiltrieb zur umlenkung einer vertikalen presskraft - Google Patents
Keiltrieb zur umlenkung einer vertikalen presskraft Download PDFInfo
- Publication number
- EP1259371B1 EP1259371B1 EP99966939A EP99966939A EP1259371B1 EP 1259371 B1 EP1259371 B1 EP 1259371B1 EP 99966939 A EP99966939 A EP 99966939A EP 99966939 A EP99966939 A EP 99966939A EP 1259371 B1 EP1259371 B1 EP 1259371B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- slider
- belt drive
- slide
- drive according
- driver
- 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
Links
Images
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
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
Definitions
- the invention relates to a wedge drive for deflecting a vertical pressing force with a driver 1, a slider 2 and a slider receptacle 3.
- a preferred article is a horizontal wedge drive.
- Wedge drives are devices used in the automotive industry used for machining body parts.
- the Metalworking of body parts and other parts takes place today in industrial continuous process. This means, that the metal parts in a continuous workflow manufactured, shaped, punched and processed have to. These are often a variety of different Pressing, stamping and other metalworking equipment used. In these presses come specially for the body parts manufactured tools in which wedge drives are installed for use.
- With the wedge drives is the Machining the body parts at any point of the metal part.
- By means of the wedge drive is a deflection of the vertical working direction in a horizontal working direction, optionally on body parts lateral operations to be able to execute. Act on this processing permanently considerable forces on the wedge drives used one.
- Conventional presses work with pressing pressures of 100 t over 2000 tons.
- the slider is able, even after long Running times still enormous compressive forces to transfer.
- the high compression pressures are used in the automotive industry for the production Of body parts absolutely necessary. You can vary depending on the thickness of the machined Sheets.
- DE 26 40 318 A1 describes a Wedge drive for redirecting a vertical pressing force in a for the forming process this angular force.
- This Wedge drive consists of a drive wedge, on which a vertical Force of a corresponding work press acts and one Slide wedge, which transmits the force to the horizontal.
- the Driver wedge and the slide wedge run either over one rounded cooperating area or in another Embodiment over a roll.
- the slide return which achieves a steel spring will have no high life expectancy.
- the steel spring breaks after a short time, when in continuous industrial Procedures are used. As a result, that the slide can not be pushed back, so that inevitably damage to the tool.
- the Restoring forces generated by the steel spring are in general not enough, a possibly jammed slider push back to its final position, which in turn to Damage to the tool can cause.
- a wedge drive characterized in that the sliding surfaces 8, in where the slider 2 is guided, arranged in prismatic form are and that on the sliding guide 3, a Gusschulter 13 for Balancing on the Driver 1 acting forces is arranged.
- gas springs as slide return as an alternative Steel springs has the following advantages. It will be high Shear forces achieved so that the slide 2 in any case is pushed into its initial position, even if the slider is jammed. This will damage of the tool avoided.
- the use of gas springs ensures continue to have a long service life, as the gas springs have a significantly longer life than the previous used return springs made of steel. Furthermore, the Installation conditions in the use of gas springs so low, that a compact design is possible and thus a large application area for the operation according to the invention in Area of automobile construction is made possible.
- the expansion of the gas spring can be in the installed state Tool done. He is put through a stopper that screwed from behind into the slide allows. This has the advantage that with little effort an old and used up Gas spring can be easily and quickly changed can.
- the plug is in retracted position Slider slightly through a mounting hole in the rear part remove the slide bed, so that if subsequently the slider is pushed forward by hand, the gas spring easily accessible through the same hole.
- the wedge drive has the following advantages.
- the maintenance times will be reduced to a minimum and damaging the wedge drive when installing and removing can be avoided.
- Of the Use of commercially available gas springs reduces stock keeping at the end customer.
- the previously from the prior art known wedge drives have an inserted spring return, which is arranged so that it only by dismantling the entire wedge drive and its decomposition are changed can.
- a gas spring in Fraction of the otherwise in the Kiel drives of the prior art Expensive time to be changed a gas spring.
- the slider 2 is a Mounting plate 4 is arranged. This is preferably over from behind accessible fixing screws removable. Thereby is allowed that built on the mounting plate Punching and forming standards also with arrangement of the wedge drive can be easily installed and removed in the tool. Of the In addition, the structure of the punching standards is on a separate basis right angle mounting plate easier and faster too accomplish as on the slide 2 itself.
- the use of the mounting plate allows, for example broken punching standards in installed condition under the Change press. This means that if, for example at a partial production should break a punch, this quickly and easily by completely removing the Mounting plate can be replaced.
- the currently known from the prior art and on the market available wedge drives designed so that in each case the entire wedge drive must be dismantled, because the place in front the punches is in any case so low that he does not is sufficient to loosen screws and pins. A change under Therefore, the press can not be done, i. the entire pressing tool, which is about 40 tons, must be taken out of the press just to change the punch.
- a cast shoulder 13 to compensate the forces acting on the driver 1 arranged. If the Press transfers the pressing pressure to the driver 1, occur on Driver considerable forces.
- Cast shoulder on the slide bed becomes the top of the driver 1 in the slide bed by a massive Gußschulter 13 against the Working pressure intercepted.
- the cast shoulder 13 is due their massive execution able during the operation completely intercept occurring horizontal forces.
- the molded solid cast shoulder is designed to that they occur during the working stroke of the slide thrust forces can catch completely to the rear. Without this shoulder the slider is not capable of that of the auto industry apply required pressing forces.
- a further preferred embodiment are on the Shoulder 13 sliding elements 6 arranged. These sliding elements are preferably made of bronze with appropriate solid lubricant. The use of these maintenance-free sliding elements increased the life and reduces the maintenance costs of the invention Wedge drive to a minimum. These sliding elements can also be replaced without changing the complete wedge drive become.
- a further preferred embodiment is at least one in the side flanges of the slider 2 Measuring bore arranged as a reference and Einmeßddling. The slider 2 is completely built over this hole, so that he measured them ideally and also using CAD or manual Procedures are placed in the design drawing can. With this measuring bore, the structure of Normalien on The work surface can be easily measured from the outside.
- At least one keyway 15 is arranged in the mounting plate 4th.
- the introduction of a such keyway allows that when constructed on one side Stamping and forming standards ideal thrust on the slider 2 can be transmitted.
- the fixing screws only have a pure hold function, without being exposed to lateral thrust.
- the slider 2 is a damping element 11 arranged to the returning slide intercept.
- This damping element 11 is preferably made Rubber.
- This measure increases the life and reduces in particular the noise during use of the invention Wedge drive in a tool.
- the wedge drive according to the invention also has a slide guide 3, which works around from all sides is. This allows the wedge drive, no matter which side to rest in the tool. So can the wedge drive in particularly narrow tool areas against construction engineering Existing objects are created, what else due to the inaccurate outer dimensions of the wedge drive would not be possible.
- the slide guide 3 in the upper Area two oppositely arranged angle strips 9 has, which clasp the slider 2 so that it only in the working direction is movable.
- These angle strips 9 are preferred designed as sliding elements.
- the Guide surfaces seen from the vertical between Slide guide / slide and slide / driver almost completely cover. This is achieved by the travel path X of the slider 2 on the slider guide is greater than the Travel path Y of the slider 2 on the driver 1.
- the ratio of travel X to travel Y is more preferably at least 1.5: 1.
- Figure 1 shows a cross section of the wedge drive according to the invention.
- the driver 1 has seen above a screw, with which he can be mounted on the upper part of a pressing tool can. To the rear is perpendicular to him a sliding member 6 for Interception of the generated over the driver slope thrust provided.
- This with a sliding plate made of bronze with solid lubricant equipped driver surface has an angle, which is able to move the slider 2 forward slide.
- the sliding plate is seen upwards, ie in Shear direction, intercepted against a cast shoulder.
- sliding elements 8 which also made Bronze with solid lubricant exist. These are in the middle area deep and inclined upwards in the outer area.
- the gas spring is by means of a stopper 16, screwed from behind into the slide 2 will, on the one hand, be able to generate their generated powers on the other hand against the slide guide 3 and on the other hand against the stopper 16, so that the slider 2 always after pushed back.
- a lowering provided for receiving a damping disk 11, which the Returning slide 2 against the slide guide 3 soft intercept.
- the area of the driver 1 is corresponding to the driver board made in the upper part to the degree, so that they record the entire pressure of the press to be transmitted can.
- the slope was designed so that the vorzubonde Slider 2 slightly slower than the driver 1 in the upper part running.
- a mounting plate. 4 assembled on the front of the slider 2 . This was done with the help of a T-shaped Keyway 17 (not shown) shouldered off against lateral thrusts.
- the mounting plate 4 is generous from the rear screwed dimensioned mounting screws, so that one no matter what was put on the front of the mounting plate 4, can dismantle in the press when installed. Laterally are in the slide 2 two measuring holes 14 arranged with whose help is measuring or building the slide in the Tool can be traced.
- the slide guide 3 contains the counterpart to the lower guide of the slide 2, the two arranged in prismatic sliding plates. 8 (not shown) follows.
- the upper slide guide takes place with Help from two opposite angle strips 9, the the Clasp slider 2 so that it can only be moved in working direction is.
- sliding plates are made of bronze used with solid lubricant.
- At the front of the slider guide 3 was milled an area against which the gas spring 5 supported for slide return.
- a massive casting shoulder 13 In the back of the Slide guide 3 is a massive casting shoulder 13, in turn with a sliding plate made of bronze with solid lubricant 6 is equipped. This shoulder 13 serves to intercept the thrust forces occurring during the operation, wherein The driver 1 located in the upper part is supported against it.
- the slide guide 3 is four generously dimensioned me Fixing screws in the tool lower part assembled.
- the gas spring 5 is complete in the rest position of the slide relieves and ensures that the slider damping, the return slide 2 against the slide guide 3 intercepts, only the actual momentum of the slide 2 has to take over.
- the completely relieved gas spring can so easy and without danger that a spring preload on a Retaining element pushes through the mounting hole in the shoulder be built and expanded.
- the mounting plate 4 at the front of the slider is to build the punching or forming standards used.
- the mounting plate 4 was carried out dismountable, so that a replacement the assembled parts in the installed state of the slide. 2 can be done easily and quickly in a tool.
- To record possibly occurring side thrusts was the Mounting plate 4 by means of a keyway designed in T-shape 15 (not visible) equipped.
- the mounting plate 4 is screwed from the back, so that the front mounting surface is not interrupted by the fixing screws.
- FIG. 2 shows a three-dimensional view of the invention Wedge drive with the driver 1, the slider 2, the massive Casting shoulder 13 and the angle strips for the slide guide 9th
- FIG. 3 shows a front view of the wedge drive according to the invention.
- the numeral 8 shows the lower slider for the Slider guide on which the slider 2 is moved.
- the Numeral 9 designates the angle bar for the slide guide, which allows a rectilinear directional movement of the slider.
- the numeral 16 is finally the stopper designated. After removal of this plug can by the Opening the gas spring 5 auswechseit be.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
- 1
- Treiber
- 2
- Schieber
- 3
- Schieberführung
- 4
- Montageplatte
- 5
- Gasdruckfeder
- 6
- Gleitelement Schulter
- 7
- Gleitelement Schieber
- 8
- unteres Gleitelement Schieberführung
- 9
- Winkelleiste Schieberführung
- 10
- Paßfeder
- 11
- Dämpfungselement
- 12
- Verschlußschraube
- 13
- Schulter
- 14
- Meßbohrung
- 15
- Keilnut Montageplatte
- 16
- Verschlußstopfen
- 17
- Montageloch Schieber
Claims (13)
- Keiltrieb zur Umlenkung einer vertikalen Presskraft mit einem Treiber (1), einem Schieber (2) und einer Schieberführung (3),
dadurch gekennzeichnet, dass die Gleitflächen (8), in denen der Schieber (2) geführt wird, in Prismenform angeordnet sind und dass an der Schieberführung (3) eine Gussschulter (13) zum Ausgleich der auf den Treiber (1) wirkenden Kräfte angeordnet ist. - Keiltrieb nach Anspruch 1,
dadurch gekennzeichnet, dass die Schieberrückholung mittels einer im Schieber (2) angeordneten Gasdruckfeder (5) erfolgt. - Keiltrieb nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass am Schieber (2) eine Montageplatte (4) angeordnet ist. - Keiltrieb nach den Ansprüchen 1 bis 3,
dadurch gekennzeichnet, dass auf der Schulter (13) Gleitelemente (6) angeordnet sind. - Keiltrieb nach den Ansprüchen 1 bis 4,
dadurch gekennzeichnet, dass Gleitelemente aus Bronze mit Festschmierstoff eingesetzt werden. - Keiltrieb nach den Ansprüchen 1 bis 5,
dadurch gekennzeichnet, dass in den Seitenflanschen des Schiebers (2) mindestens eine Messbohrung als Bezugs- und Einmesspunkt angeordnet ist. - Keiltrieb nach den Ansprüchen 1 bis 6,
dadurch gekennzeichnet, dass in der Montageplatte (4) mindestens eine Keilnut (15) angeordnet ist. - Keiltrieb nach den Ansprüchen 1 bis 7,
dadurch gekennzeichnet, dass am Schieber (2) ein Dämpfungselement (11) angeordnet ist, um den zurückfahrenden Schieber abzufangen. - Keiltrieb nach dem Anspruch 8,
dadurch gekennzeichnet, dass das Dämpfungselement (11) aus Gummi besteht. - Keiltrieb nach den Ansprüchen 1 bis 10,
dadurch gekennzeichnet, dass die Schieberführung (3) im oberen Bereich zwei gegenüberliegend angeordnete Winkelleisten (9) besitzt, die den Schieber (2) so umklammern, dass er nur in Arbeitsrichtung bewegbar ist. - Keiltrieb nach Anspruch 10,
dadurch gekennzeichnet, dass die Winkelleisten (9) als Gleitelemente ausgebildet sind. - Keiltrieb nach den Ansprüchen 1 bis 11,
dadurch gekennzeichnet, dass der Verfahrweg X des Schiebers (2) auf dem Treiber (1) größer ist als der Verfahrweg Y des Schiebers (2) auf der Schieberführung (3). - Keiltrieb nach den Ansprüchen 1 bis 12,
dadurch gekennzeichnet, dass der Winkel α zwischen Verfahrweg X und Verfahrweg Y 45 bis 70° beträgt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998160178 DE19860178C1 (de) | 1998-12-24 | 1998-12-24 | Keiltrieb zur Umlenkung einer vertikalen Preßkraft |
DE19860178 | 1998-12-24 | ||
PCT/EP1999/009723 WO2000038907A2 (de) | 1998-12-24 | 1999-12-10 | Keiltrieb zur umlenkung einer vertikalen presskraft |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1259371A2 EP1259371A2 (de) | 2002-11-27 |
EP1259371B1 true EP1259371B1 (de) | 2005-10-12 |
Family
ID=7892741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99966939A Expired - Lifetime EP1259371B1 (de) | 1998-12-24 | 1999-12-10 | Keiltrieb zur umlenkung einer vertikalen presskraft |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1259371B1 (de) |
DE (1) | DE19860178C1 (de) |
ES (1) | ES2247861T3 (de) |
WO (1) | WO2000038907A2 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009039895A1 (de) | 2007-09-24 | 2009-04-02 | Harald Weigelt | Keiltrieb mit schieberaufnahme |
EP2241388A1 (de) * | 2009-03-27 | 2010-10-20 | Sankyo Oilless Industry, Inc. | Stoßdämpfungvorrichtung für einen Luftnockenaufbau in einer Nockenvorrichtung und Montierverfahren dafür |
US8430385B2 (en) | 2007-09-24 | 2013-04-30 | Harald Weigelt | Wedge drive with slider receiving means |
US8689600B2 (en) | 2006-08-03 | 2014-04-08 | Harald Weigelt | Wedge drive with a force returning device |
US8863566B2 (en) | 2005-06-23 | 2014-10-21 | Elke Weigelt | Tool fastening device for a wedge drive |
WO2017108968A1 (de) | 2015-12-21 | 2017-06-29 | Harald Weigelt | Keiltrieb |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003281962A1 (en) * | 2002-10-18 | 2004-05-13 | Schumag Ag | Tool head, adjuster ring and cutting machine in particular a scalping machine |
US6997029B2 (en) * | 2003-11-05 | 2006-02-14 | Danly Iem, A Division Of Connell Limited Partnership | Roller cam mechanism and drive assembly with positive retraction |
US7191635B2 (en) | 2004-11-18 | 2007-03-20 | Danly Iem, Llc | Press mounted cam |
DE102006019793A1 (de) * | 2006-04-28 | 2007-10-31 | Daimlerchrysler Ag | Vorrichtung zum Umformen und/oder zum Stanzen eines Werkstücks |
JP4922888B2 (ja) * | 2007-10-02 | 2012-04-25 | 三協オイルレス工業株式会社 | カム装置 |
CN105728525B (zh) * | 2016-05-13 | 2017-11-03 | 安徽江淮汽车集团股份有限公司 | 冲压件上翻边装置 |
CN106825211A (zh) * | 2017-03-27 | 2017-06-13 | 安徽江淮汽车集团股份有限公司 | 一种冲孔斜楔装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3858427A (en) * | 1973-08-08 | 1975-01-07 | Fred Euteneuer | Die punch for sheet metal forming press |
DE2640318A1 (de) * | 1976-08-09 | 1978-03-16 | Weingarten Ag Maschf | Keiltrieb zur umleitung einer vertikalen presskraft in eine fuer den umformvorgang hierzu winklig wirkende kraft |
DE69018082T2 (de) * | 1990-11-09 | 1995-09-28 | Umix Co Ltd | Gesenk mit Führungsschlitten. |
CA2073204C (en) * | 1992-07-06 | 1999-08-24 | Mitsuo Matsuoka | Noise reducing structure of slide-cam die |
ES2080008B1 (es) * | 1993-12-13 | 1997-10-16 | Bonet Jose Lozano | Unidad de punzonado lateral |
JP2880490B1 (ja) * | 1997-11-14 | 1999-04-12 | ユミックス株式会社 | プレス装置 |
DE19753549C2 (de) * | 1997-12-03 | 2000-02-17 | Harald Weigelt | Keiltrieb |
-
1998
- 1998-12-24 DE DE1998160178 patent/DE19860178C1/de not_active Expired - Fee Related
-
1999
- 1999-12-10 ES ES99966939T patent/ES2247861T3/es not_active Expired - Lifetime
- 1999-12-10 EP EP99966939A patent/EP1259371B1/de not_active Expired - Lifetime
- 1999-12-10 WO PCT/EP1999/009723 patent/WO2000038907A2/de active IP Right Grant
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8863566B2 (en) | 2005-06-23 | 2014-10-21 | Elke Weigelt | Tool fastening device for a wedge drive |
US8689600B2 (en) | 2006-08-03 | 2014-04-08 | Harald Weigelt | Wedge drive with a force returning device |
WO2009039895A1 (de) | 2007-09-24 | 2009-04-02 | Harald Weigelt | Keiltrieb mit schieberaufnahme |
DE102007045703A1 (de) | 2007-09-24 | 2009-04-09 | Harald Weigelt | Keiltrieb mit Schieberaufnahme |
US8430385B2 (en) | 2007-09-24 | 2013-04-30 | Harald Weigelt | Wedge drive with slider receiving means |
EP2241388A1 (de) * | 2009-03-27 | 2010-10-20 | Sankyo Oilless Industry, Inc. | Stoßdämpfungvorrichtung für einen Luftnockenaufbau in einer Nockenvorrichtung und Montierverfahren dafür |
WO2017108968A1 (de) | 2015-12-21 | 2017-06-29 | Harald Weigelt | Keiltrieb |
Also Published As
Publication number | Publication date |
---|---|
WO2000038907A3 (de) | 2002-09-26 |
DE19860178C1 (de) | 2000-05-11 |
ES2247861T3 (es) | 2006-03-01 |
EP1259371A2 (de) | 2002-11-27 |
WO2000038907A2 (de) | 2000-07-06 |
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