EP3393693A1 - Keiltrieb - Google Patents
KeiltriebInfo
- Publication number
- EP3393693A1 EP3393693A1 EP16819086.6A EP16819086A EP3393693A1 EP 3393693 A1 EP3393693 A1 EP 3393693A1 EP 16819086 A EP16819086 A EP 16819086A EP 3393693 A1 EP3393693 A1 EP 3393693A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transverse direction
- guide
- slide
- wedge drive
- sliding
- 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
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 56
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 13
- 238000013461 design Methods 0.000 description 10
- 238000005755 formation reaction Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 230000003993 interaction Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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
- B21D28/325—Perforating, i.e. punching holes in other articles of special shape using cam or wedge mechanisms, e.g. aerial cams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means
Definitions
- the invention relates to a wedge drive for deflecting a high vertical pressing force of in particular over 100 kN in a horizontal, linear working movement according to the preamble of claim 1.
- wedge drives are mostly used in forming processes in which materials must be transformed under very high force and with very high precision.
- the main application of such wedge drives' is the automotive industry.
- the wedge drives are used here for the manufacture of body parts, in particular for the processing of solid sheet metal parts, such as the trimming, punching or deformation of sheet metal parts.
- work movements must be performed with extremely high manpower, which can easily be over 1,000 kN.
- working movements must be carried out with high precision, since only then can the required accuracy of fit of the body parts manufactured thereon be ensured.
- the wedge drives are used in a press tool.
- the pressing tool comprises a press which exerts an extremely high pressing force in the vertical direction on the wedge drive.
- the vertical pressing force exerted by the press on the wedge drive can be at least 100 kN, in particular at least 500 kN, in particular between 1,000 and 50,000 kN.
- the wedge drives are designed so that they can withstand a corresponding pressing force and the ver ⁇ tical press movement over which the vertical pressing force is applied to them, can convert into a horizontal, linear working movement.
- generic wedge drives are designed so that they comprise a driver element, a slider element and a slider element recording.
- the slider element housing is adapted to receive the vertical pressing force exerted by the vertical press movement.
- the slider element receiver is thus to be formed ⁇ , positionally fixed to a movable press element of a press fixed to be, with which the press performs the vertical press motion.
- the driver element is designed to be fixed in a positionally fixed and immovable manner vertically spaced from the slider element holder, in particular to a floor element of the press tool provided for this purpose.
- the slider element is vertical between the slider element receptacle and the driver element. ordered and attached to the slider element receiving linearly displaceable.
- a linear driver guide between the driver element and the slider element and a guide device between the slider element receiving and the slider element is provided, wherein the angle between the linear direction of the driver guide and the linear direction of the guide device can be selected specifically.
- the driver guide is designed to ensure a linear guide direction of the slider element along the driver element in a driver sliding direction
- the guide device is designed to ensure a linear guide direction of the slider element along the slider element receiving in a sliding direction.
- Driver slide direction and sliding form an angle with each other and to the vertical direction and both lie in a plane in which the vertical direction is located.
- the angle which the driver sliding direction forms with the sliding direction is usually in a range between 30 ° and 120 °.
- the length of the displacement path of the slider element in the horizontal direction is also Festge ⁇ sets when the slider element recording travels a certain path length in the vertical direction.
- the degree of power transmission from the verti ⁇ cal press force on the horizontal work force Festge ⁇ sets on the angle.
- the horizontal direction (direction of the working movement) need not necessarily have 90 ° to the vertical direction, but may have an angle between 40 ° and 130 ° to the vertical direction.
- An essential problem in the realization of generic wedge drives is to design the guides between the slider element and the slider element receptacle or between the slider element and the driver element so that the most accurate linear Anlagenbewe ⁇ tion can be ensured when high press forces are exerted on the wedge drive ,
- the basic principle, which is used in generic wedge drives for the realization of the guide means, is always that the guide means is realized via a Gleitplattenformation whose sliding plates are tapered aligned with each other so that a centering of the slide element within the Gleitplattenformation is guaranteed when the slider element receptacle exerts a vertical force on the slider element.
- such guide means are realized to have a cross-section perpendicular to the sliding direction, which has the shape of a prism or the shape of a dovetail.
- the present invention is therefore based on the objective technical problem of providing a wedge drive which is as simple and inexpensive to produce and at the same time satisfies the above requirements as well as possible.
- the wedge drive comprises a slider element, a driver element and a slider element receptacle.
- the slider element is arranged in a vertical direction between the driver element and the slider element receiver.
- the slide element and the slide element receptacle are constructed as two guide elements on which a Gleitplattenformation is arranged for providing a Füh ⁇ approximating means for linearly guiding the slide member along the slide member received in a sliding direction.
- the guide device comprises the sliding plate formation.
- the sliding direction has an angle between 10 ° and 80 °, in particular between 20 ° and 70 ° to the vertical direction.
- the guide device comprises a center element, which is provided on a first of the two guide elements on its side facing the second guide element.
- the Slide plate formation comprises at least two sliding plates, which are designed as side sliding plates and are fixed to a second of the two guide elements.
- the ittenelement on the slider element and the Thegleitplatten be fixed to the slider element receptacle.
- the center element can be fixed to the slider element receptacle and the side sliding plates can be fixed to the slider element.
- the sogleitplatten are in a transverse direction which is perpendicular to the sliding direction and in particular also perpendicular to the vertical
- the side sliding plates are preferably designed as sliding plates produced separately from the second guide element and fastened to the second guide element.
- the attachment can be done for example by screws.
- the side sliding plates are designed such that the first guide element can slide along them without causing high frictional forces.
- the side sliding plates may be formed as sliding plates made of bronze.
- the middle element can be connected to the first guide element in a material-locking manner, for example as an integral component with the first guide element, for example as a metal casting.
- the central element may be formed as a separate component from the first guide element, which is fixed to the first guide element, for example via screws.
- the middle element may be formed as a middle sliding plate, so that the second guide element at the center sliding plate can slide along with the least possible friction.
- the center sliding plate may be formed as a sliding plate made of bronze. Due to the design of the middle element as Mittengleitplatte the friction at a relative displacement of the slide element for Schieberele ⁇ ment recording along the sliding direction between the two guide element can be particularly minimized.
- the second guide element has two steps spaced apart from one another in the transverse direction, wherein each of the two side sliding plates rests on one of the two steps with a form-fitting connection acting in the transverse direction.
- the two stages each other thus in the transverse direction ge ⁇ genüber.
- a first of the two side sliding plates thus abuts with a portion of its surface against a surface portion of a first of the two stages, and a second of the two side sliding plates abuts with a portion of its surface against a surface portion of a second of the two stages.
- the positive engagement causes the displacement of the second side sliding plate in the transverse direction to be prevented.
- the positive connection thus causes a prevention of a displacement of the first sogleitplatte when the middle element on the first sogleitplatte exerts a force in a positive Rich ⁇ tion along the transverse direction, while the positive connection between the second sogleitplatte and the two ⁇ th stage preventing a Displacement of the second sogleitplatte causes when the middle element on the second side sliding plate exerts a force in a negative Rich ⁇ tion along the transverse direction.
- the form fit is in each case ensured by the step, which in each case is formed in the second guide element, in particular, in that a height offset is provided between two surface sections, each of which is planar and spanned by the sliding direction and the transverse direction, which is realized by a flat surface, which runs along a transverse transverse direction, which is perpendicular to the transverse direction and perpendicular to the sliding direction, and in particular by the sliding direction and the transverse transverse direction is clamped.
- the positive engagement between the first side sliding plate and the first stage acts unidirectionally in a positive direction along the transverse direction and the positive engagement between the second side sliding plate and the second stage unidirectionally in a negative direction along the transverse direction, while the
- Center element is connected to the first guide element bidirectionally connected in both the positive and in the negative direction along the transverse direction secured against displacement, in particular is designed in one piece with this.
- "preventing movement by a form fit" always means that a movement according to the possibilities of the material used is avoided, and that attention should be drawn here to the self-evident fact that is obvious to the person skilled in the art, that the form-fitting refers to a force acting at the level of the surface or surface portion of side sliding plate and step, over which the respective elements for providing the positive fit in contact, otherwise it to a tilting of the elements to each other about an axis of rotation perpendicular
- the positive connection thus prevents a movement in the transverse direction, in which the elements do not simultaneously rotate about an axis of rotation perpendicular to the transverse direction.
- the two side sliding plates and / or the central sliding plate provided as a center element may be integrally formed. As a result, the load capacity and precision of the wedge drive can be further improved, and
- An inventive wedge drive is thus very simple and due to the interaction of its features allows under considerable load by the press force a precise linear guidance of the slide element for carrying out a precise linear working movement of the slide element.
- the interplay of the features is based, in particular, on the fact that the middle element is held in the first transverse direction bidirectionally stable on the first guide element, while the side sliding plates are held stable to ' second guide element via their form fit, while the central element is arranged in the transverse direction between the sogleitplatten and in particular directly abuts the 9.gleitplatten, wherein the middle element and the cangleitplatte are preferably integrally formed.
- the side sliding plates thus form a transversely acting guide frame for the middle element, in which the center element is securely guided.
- the first guide element is thus securely guided to the second guide element, ie the slider element is in the transverse direction safely guided to the slider element pickup.
- a movement of the slider element to the slider element receiving in the transverse direction are at least largely avoided.
- a press force perpendicular to the transverse direction in the vertical direction thus allowing the wedge drive according to the invention by the interaction of its features ahme a linear, horizontal guidance of the slider element relative to Schieberauf.
- the interaction of the features of the wedge drive according to the invention allows a simple high-precision production of the wedge drive such that only a very small game, in particular a game of less than
- wedge drives according to the invention is based on the fact that the guide device obtains its stability in the transverse direction in that a very small number of components can be used for the guide device, wherein the components are supported by positive engagement on the slide element and the slide element receptacle, wherein in particular each slide plate the sliding plate formation is supported on the slide element or the slide element holder directly via a cross-directionally positive fit.
- slide plate formations on a plurality of transversely juxtaposed sliding plates are used for the guide device, wherein the components are supported by positive engagement on the slide element and the slide element receptacle, wherein in particular each slide plate the sliding plate formation is supported on the slide element or the slide element holder directly via a cross-directionally positive fit.
- a clearance caused by manufacturing tolerances can be at least largely prevented by supporting the side sliding plates on the second guide element via a transversely acting positive connection and arranging the middle element in the transverse direction between the side sliding plates, so that the distance during assembly of the wedge drive in the transverse direction between the side skids to the width of the center element in the transverse direction can be adjusted by targeted grinding of exactly one slide ⁇ plate until the distance between the side sliding plates is tuned very precisely to the width of the central element.
- the wedge drive according to the invention is designed so that the central element rests directly on both side sliding plates, so that any additional game that could arise by inserting additional elements between the side sliding plates and center element per se is avoided ver ⁇ .
- manufacturing costs for the production of additional elements can be avoided thereby.
- the guide device consists of the two Thisgleitplatten and the center element and in particular a provided on the central element return stroke, said elements of the guide means are each formed in one piece in particular.
- the preferably provided return stroke section may be integrally formed integrally with the center element, in particular the center sliding plate provided as the center element.
- the sliding plate formation of the guide means consists of the two sogleitplatten and provided as the center element Mitttengleitplatte, as this is a particularly precise adjustment of the geometric dimensions of sogleitplatten and Mittengleitplatte allows, whereby a game in the transverse direction can be further reduced.
- the guide means may in particular, exclusively the slide plates have the Gleitplat ⁇ tenformation as only to slide the slide member to the slide element receiving required-providing sliding surfaces sliding plates.
- the center sliding plate with the first guide element to contribute one in positive and negative direction. tive direction forms along the transverse direction form fit.
- Such a bidirectionally acting positive engagement can be realized particularly free of play between the first guide element and center sliding plate when the center sliding plate is integrally formed, so that the manufacturing tolerance is limited only by manufacturing a single component, whereby the clearance between the middle sliding plate and the first guide element, particularly low can be held.
- the middle element is arranged in each case with a play in the transverse direction of less than 0.04 mm, in particular less than 0.02 mm, in particular less than 0.01 mm, each directly on the two side sliding plates.
- the wedge drive according to the invention can be designed so that the slide element is slidably guided along the slider element receiving in the sliding direction over a displacement length, the slider element relative to the slider element receiving in each position along the sliding direction within the displacement length a game in the transverse direction relative to the slider element of less than 0.04 mm, in particular less than 0.02 mm.
- This particularly play-free realization of the guide device between the slider element receiving and slide element can be realized only by the inventive design of the wedge drive and brings the advantages mentioned with reference to the feasibility of high-precision working movements with the help of a wedge drive according to the invention.
- the guide device is designed such that the first guide element to the second guide element via a running in the sliding direction Displacement length is displaceable, wherein the displacement length is at least 0.5 times, in particular between 0.5 times and 3 times the extension of the slider element in the transverse direction.
- the wedge drive is particularly well suited for receiving very high press forces, and moreover a sufficient displacement length can be ensured, so that the slide element over a sufficiently long distance in the horizontal direction a working movement can perform.
- a return stroke section is provided on the side of the center element facing the second guide element, which has two holding sections which project in the transverse direction over the center element and extend in sections along the two side sliding plates in the transverse direction.
- the return stroke section may be formed as a separately fixed to the central element plate.
- the return stroke section may be integrally formed with the center element.
- the center element may be formed as a center sliding plate, which has the remindhubabêt, wherein the holding portions are spaced from the first guide member.
- an inventive wedge drive is usually used in a press tool, wherein the slider element receptacle is connected to a movable press element.
- the movable press member makes downward movement in the vertical direction, thereby forcing the slider member into a linear, horizontal, working motion due to the vertical relative movement between the slider member and the driver element.
- the movable press member moves vertically in the opposite direction compared to the working stroke, ie usually vertically upwards.
- the return stroke section extends in each case with a holding section in the transverse direction in sections along the two side sliding plates, wherein in each case one side sliding plate is arranged at least in sections between the first guide element and the return stroke section.
- the return stroke section extends from the first guide element beyond the side slide plates to the second guide element, the holding sections each extending along a section in the transverse direction between the side slide plates and the second guide element.
- Each holding section thus extends over a section in the transverse direction with respect to a direction perpendicular to the transverse direction and perpendicular to the sliding direction between an associated side sliding plate and the second guide member.
- the return stroke may be particularly configured ro- bust, for example, the cut remindhubab ⁇ be arranged in a recess provided for this purpose the second guide member.
- the first guide element is particularly preferably designed as the slide element and the second guide element as the slide element receptacle. Because with such an embodiment of the wedge drive can be provided with a recess in the slider element receiving the remindhubabêt with realization of a low profile, in particular with respect to the vertical direction, whereas no such recess in the slider element is required, so that the slider element can be made compact and provides enough surface for the approach of an additional return ⁇ spring, which supports the return stroke known as in conventional wedge drives.
- each side sliding plate abuts against the second guide element at least with two contact surfaces.
- a first contact surface of the respective side sliding plate extends in the transverse direction and in the sliding direction, wherein the respective side sliding plate is pressed by fastening means with its first abutment surface against the second guide element.
- Each side sliding plate also has a second abutment surface which is perpendicular to the transverse direction.
- the Gleitstrom patterns each begleitplatte perpendicular to the transverse direction, wherein the Gleitstrom matters and the second bearing surface on two opposite, facing away from each other sides of the respective so- slide plate and wherein the first contact surface of the sogleitplatte, in particular exclusively, in a region extending in the transverse direction between the Gleitstrom matters and the second contact surface extends.
- a very reliable power transmission during a working stroke of the slider element receiving the slider element ensures, since the sogleitplatten each have a first contact surface, in the transverse direction and in the
- the slides are pressed by fastening means against the second guide member, so that when a load of sogleitplatte perpendicular to the transverse direction, which occurs during normal use of the wedge drive in a working stroke, a relative movement between the second guide member and sogleitplatten can be reliably avoided.
- the sogleitplatten each have a second Gleitstrom imagery extending parallel to the first contact surface, wherein during a power stroke, the pressing force is transmitted via the second Gleitstrom matters on the slide element and during the movement movement, the slide element is transmitted to the second Gleitstrom schemes on the slide element and during the working movement, the slider member slides along the second slide abutment surface adjacent thereto.
- each side sliding plate extending in the transversal transverse direction and ensuring contact of the side sliding plate with the middle element and secondly contact of the side sliding plate with the second guide element, si - make sure that the side sliding plate between center ment and second guide element is guided in the transverse direction, so that during a working stroke a game in the guide device in the transverse direction is prevented.
- each sogleitplatte can rest with its second to ⁇ bearing surface at the stage of the second guide member.
- the guiding property of the guide means may be particularly advantageous.
- the first contact surface is spanned by a plane which is spanned by the transverse direction and the sliding direction.
- the second contact surface and the Gleitablage Materials are respectively spanned by a plane passing through the transverse transverse direction and the sliding direction is clamped.
- each side sliding plate has a third abutment surface with which it rests against the second guide element, wherein the third abutment surface extends away from the first abutment surface in the transverse direction, starting from the second abutment surface.
- the step against which the side sliding plate assigned to it extends between the first and the third abutment surface, wherein the second abutment surface bears against the surface of the step forming the vertical offset of the step.
- the height offset of the step forming surface naturally extends in the transverse transverse direction and is particularly preferably formed as a plane which is spanned by the transverse transverse direction and the sliding direction.
- the third contact surface is spanned by a plane which is spanned by the transverse direction and by 1 the sliding direction, whereby a particularly stable investment and thus fixing the sogleitplatte can be ensured on the second guide element.
- each sogleitplatte on a remindhubanla- surface which extends in the transverse direction between the Gleitstrom matters and the first bearing surface.
- a return stroke section provided on the center element can rest on the return stroke contact surface, which causes a return stroke on the return stroke occurring force can be transmitted.
- the remindhubstromflache is clamped ⁇ by a plane which is spanned by the transverse direction and the sliding direction.
- the remindhubstrom- surface is smaller than the first contact surface, as on the scrubhubstrom constitutional only the force occurring during a return stroke is to be transmitted, which is substantially smaller than the force to be transmitted over the first contact surface, which occurs during the power stroke.
- a particularly small size of the wedge drive can be ensured, including in particular the provision of a pos ⁇ lichst small rinsehubstrom constitutional can contribute. It should be noted at this point that, for the realization of wedge drives, compliance with small sizes is a particularly desirable goal, which is conventionally difficult to achieve due to the necessarily very robust design of a wedge drive.
- the middle element is designed as a central sliding plate and fixed to the first guide element, wherein the first guide element has a surface course graduated along the transverse direction on its surface facing the center sliding plate.
- a ent ⁇ long the transverse direction stepped surface contour tet importance that has, at a cross-sectional view perpendicular to the sliding direction of the surface profile has a stepped profile as a function of the transverse direction. It thus occur depending on the transverse direction step offsets in a direction which is perpendicular to the transverse direction and perpendicular to the sliding direction.
- the Mittengleitplatte has on its side facing the first guide member surface a stepped surface corresponding to the course of the first guide elements ⁇ surface profile, whereby through the mutually corresponding surface gradients acting in a transverse direction of the positive connection between the first guide element and the middle sliding plate is ensured.
- the middle sliding plate with its stepped surface course, is in contact, at least in sections, with the stepped surface course of the first guide element.
- the corresponding surface courses are preferably designed so that they provide a bidirectional positive connection along the transverse direction between the middle sliding plate and the first guide element. This means that the positive locking both at a
- a force acting on the middle sliding plate along the transverse direction in a positive direction as well as a force acting on the center sliding plate along the transverse direction in a negative direction prevents movement of the middle sliding plate in the transverse direction relative to the first guiding element.
- the stepped surface course of the first guide element is at least partially, in particular completely, formed by three fixing surfaces of the guide element.
- a first fixation surface is arranged in the transverse direction between a second and a third fixation surface.
- the first fixing surface is spanned by a plane which is spanned by the transverse direction and by the sliding direction.
- the second and third fixing surfaces are each defined by a plane which is spanned by the transverse transverse direction and by the sliding direction.
- guidance of the middle sliding plate in the transverse direction is bidirectionally ensured by the second and third fixing surfaces, since such is provided over the course of the second and third fixing surfaces and the first fixing surface arranged therebetween, which in turn runs in the transverse direction and the sliding direction
- Contact between the middle sliding plate and the first guide element can be ensured, in which the middle sliding plate both is applied to a force acting in the positive and negative direction along the transverse direction respectively at the second and third fixing surface, so that a movement of the center sliding plate along the transverse direction is avoided.
- the second and the third fixing surface extend from the first fixing surface towards the second guide member, wherein the Mittengleitplatte between the second and third Fix istsflä ⁇ surface is arranged and wherein the Mittengleitplatte about ih ⁇ ren corresponding surface profile is applied to the three Fixie ⁇ approximately surfaces and is pressed by fastening means against the first fixing surface.
- ⁇ form thus form the three fixing surfaces a recess in which a portion of the middle sliding plate is arranged.
- the described embodiment can thus be particularly sturdy designed and easy to manufacture, since the Mittengleitplatte a ⁇ can be set by providing a corresponding recess in the massive second guide element with their kor ⁇ respond Schlden surface profile in said recess, without the need for delicate operations of Mittengleitplatte or firstssensele ⁇ ments are required.
- the Mittengleitplatte is pressed by fastening means against the first fixing surface, in addition can be ensured that with ⁇ tengleitplatte is reliably held in the plane formed by the three fixing NGS faces recess, which further improves the guiding properties of the guide means.
- the surface of the first fixing area is at least twice as large as the common ⁇ same area of the second and third fixing surface, whereby the fact may be taken that via the first fixing area, a greater force is carry over ⁇ than second and third fixation surfaces. Consequently, this can be a particularly robust wedge drive be realized with the smallest possible size.
- the sliding plate formation consists of the two side sliding plates and the middle sliding plate.
- the play of the guide device can be reduced to a minimum, since only a few components are provided for the realization of the guide device, are to be considered in the manufacturing tolerances.
- the production costs can be kept particularly low.
- the guide device, which guides the slider element to the slider element receiving linear consist of the sliding plate formation.
- mutually inclined surfaces can not be realized, but an embodiment of the components can be realized in such a way that they have exclusively boundary surfaces which run either perpendicular to the transverse direction or perpendicular to the transverse transverse direction.
- both a guide with respect to the vertical pressing force and a guide with respect to the occurring during the working movement of the slider element in the transverse direction force is ensured.
- the common area of the surfaces that are perpendicular to the transverse transverse direction may be greater than the common area of the surfaces that are perpendicular to the transverse direction.
- the common area of the surfaces perpendicular to the transverse transverse direction may be at least twice as large as the common area of the surfaces perpendicular to the transverse direction.
- the slide element can be designed as the first guide element and for the slide element receptacle to be the second guide element.
- a particularly small size can be realized, and, moreover, a particularly uniform force transmission from the slide element receptacle to the slide element can be ensured via the side sliding plates framing the middle element.
- the sogleit- plates in their extension length in a direction that is perpendicular to the sliding direction and perpendicular to the transverse direction, ie in the transverse transverse direction, differ by less than 0.01 mm, this extension length is at least 10 mm.
- This extension length is at least 10 mm.
- Such an identical as possible embodiment of the sogleitplatten with respect to their extension length in the transverse transverse direction can ensure a particularly play-free guide device.
- Such a high A precisely identical design of the side sliding plates can be realized by setting the mentioned extension lengths of both side sliding plates in a single process step, in which the two side sliding plates are simultaneously adjusted to the desired extension length via exactly one tool, such as a milling machine become.
- the side sliding plates abut in each case on the first guide element, the middle element and on the second guide element, wherein the middle element bears against the first guide element and on the side sliding plates and abuts in particular on the second guide element.
- the guiding property of the guide device can be particularly advantageous.
- the central element is spaced from the second guide element. This embodiment is particularly easy to implement, since then the extension of the central element in the transverse transverse direction does not need to be set to a very high degree exactly.
- the middle element also bears against the second guide element. In this embodiment, a particularly reliable power transmission is ensured during the power stroke.
- slide slip plates are provided on the slider element and drive slide plates are provided on the drive element, the slide plates and driver slide plates forming a driver guide for linearly guiding the slider element along the driver element in a driver slide direction, the driver slide direction being in a plane perpendicular to the transverse direction. wherein the driver sliding direction forms an angle of at least 20 °, in particular between 30 ° and 120 ° with the sliding direction.
- Driver sliding direction and sliding direction ensures the conversion of a vertical press force generated by a vertical press movement in a horizontal working movement.
- the invention further relates to a method of manufacturing a wedge drive, wherein a thickness of the two side sliding plates defines the extension length of the side sliding plates in a direction perpendicular to the sliding direction and perpendicular to the transverse direction when the side sliding plates are installed in the wedge drive , is set simultaneously and together via a tool.
- the width of exactly one of the sogleitplatten, the plate, the extension length of this sogleit- is specifics ⁇ DERS preferably defined along the transverse direction when these sides tengleitplatte is incorporated in the wedge drive, set in consideration of the distance between the stages of the second guide member in the transverse direction and the Warre ⁇ ckungsmother of the central element and the other.
- the realization of the wedge drive can take place in that finished manufactured components, in particular slider element, Schieberele- mentaufnähme, the center element and the other side sliding plate, are measured in their dimensions in the transverse direction and then the width of the particular Sogleitplatte is specifically adapted to the dimensions. In this way, a particularly good guidance along the transverse direction can be ensured by the guide device.
- FIG. 5 shows a detail of the
- a wedge drive 1 according to the invention in various schematic diagrams from different ⁇ . It can be seen from FIG. 1 that a wedge drive according to the invention comprises a slide element 2, which is arranged vertically between a slide element receptacle 3 and a driver element 4. The slider element 2 is connected via a guide device with the
- Slider element receptacle 3 which in the present case comprises a Gleitplattenformation consisting of three sliding plates, namely a Mitttengleitplatte 7 and two side sliding plates 5, 6.
- the slider element 2 is connected to the driver element 4 via a driver guide comprising Schiebergleitplatten 22, the on the driver element 4 facing side of the slide element 2 angeord ⁇ net are.
- the slider element 2 is connected to the driver element 4 via a return device 21, via which it is ensured that the slider element 2 remains connected to the driver element 4 even during a return stroke in which the slider element holder 3 moves vertically away from the driver element 4.
- FIG. 1 the basic structure of a wedge drive 1 according to the invention thus clearly visible.
- the driver element 4 is attached via fastening means, in this case fastening screws 400, to a base element of a press ⁇ tool.
- the slider element receptacle 3 has in FIG. 1 visible feedthroughs, via which it can be moved by means of Fastening means, such as screws, can be attached to a movable press element of the press tool.
- Fastening means such as screws
- the guide means between slide element 2 and slide element receptacle 3 ensures a linear guidance of the slide element 2 along the slide element receptacle 3 along a sliding direction X, which forms an angle of approximately 30 ° to the vertical direction.
- the driver guide ensures a linear guidance of the slider element 2 along the driver element 4 along a driver sliding direction, which forms an angle of approximately 80 ° to the vertical direction.
- Examergleitides and sliding X form an angle of approximately 50 ° to each other. From this structural design of the wedge drive 1, which can be seen from Figure 1, it follows that the slide element 2 performs a horizontal, linear working movement between the slide element holder 3 and driver element 4, when the slider element holder 3 is moved vertically to the driver element 4 out.
- the return device 21 ensures at the same time that the slider element 2 during a return stroke, ie when the slider element receptacle 3 is moved vertically away from the driver element 4, performs a horizontal, linear return movement between the slide element holder 3 and driver element 4, the negative mapping of the linear working movement during a working stroke represents ⁇ .
- the return device 21 is fixedly fixed to the slider element 2 and engages behind corresponding sliding projections which are arranged on the driver element 4 are so that the slider element 2 is always connected to the driver element 4 during a return stroke.
- the embodiment of a wedge drive 1 according to the invention shown in Fi gur ⁇ 1 further comprises a first support member 31 and a second support member 32, which are firmly fixed to the slide element receiving third
- the second support member 32 be ⁇ limits the return movement of the slider element 2 during a return stroke, since the second support member 32 provides a stop for the Mittengleitplatte 7 berelement on the rail is secured.
- the first support member 31 serves to support a return spring, such as a gas spring. Such a return spring is supported on the first support member 31 and is compressed during a power stroke and helps to move the Schieberele- ment 2 during a return stroke to its original position, in which it is attached to the second support member 32 with attached to it Mitttengleitplatte 7 is present.
- the guide device comprises a sliding plate formation, which consists of the middle sliding plate 7 and the two side sliding plates 5, 6.
- the two sogleitplatten 5, 6 are fixed to the slider element receiving 3, which acts as a second guide member, whereas the Mittengleitplatte 7 is fixed to the slider element 2, which acts as a first guide member.
- the center element thus forms ⁇ ge 7 by the Mittengleitplatte 7 of Gleitplattenformation.
- the transverse transverse direction Z is defined by the fact that it is perpendicular to the transverse direction Y and perpendicular to the sliding direction X.
- the attachment of the middle sliding plate 7 to the slider element 2 is particularly well from the synopsis of Figures 2 and 4 can be seen.
- the slider element 2 has a stepped surface course, which is formed by three fixing surfaces 71, 72, 73.
- the first fixing surface 71 is located in the transverse direction between the second and third fixing surface 72, 73.
- the first fixing surface 71 is defined by a plane which is spanned by the transverse direction Y and the sliding direction X.
- Second and third fixing surfaces 72, 73 are respectively spanned by the transverse transverse direction Z and by the sliding direction X and also flat.
- the center sliding plate has a surface course corresponding to the stepped surface course of the slide element 2, in that the center slide plate 7 has on its side facing the slide element 2 a cross section perpendicular to the sliding direction X, which represents the section of a rectangle.
- the middle sliding plate 7 can thus be inserted into the recess formed in the slider element 2 by the three fixing surfaces.
- the dimensions in the transverse direction of the middle sliding plate 7 are provided so that they rest against the entire surface of all three fixing surfaces.
- the middle sliding plate 7 is connected by screws to the slider element 2, which pass through bushings in the middle sliding plate 7, which are shown in FIG. A corresponding screw is indicated in FIG. About these
- the middle sliding plate 7 is pressed against the first fixing surface 71 of the slider element 2.
- the attachment of the sogleitplatten 5, 6 on the Schie ⁇ berelementam 3 is particularly well taken from the synopsis of Figures 3 and 4.
- the slider element receptacle 3 has two steps spaced apart from one another in the transverse direction Y, wherein each of the side sliding plates 5, 6 rests against one of the two steps.
- each of the sogleitplatten 5, 6 with a first contact surface 51, 61, a second bearing surface 52, 62 and a third bearing surface 53, 63 on the slider element receptacle 3 at.
- the second contact surface 52, 62 of the sogleitplatten 5, 6 is in each case spanned by a plane which is spanned by the sliding ⁇ direction X and the transverse transverse direction Z, and is located on the height offset of the respective stage forming surface of the slider element receptacle 3.
- the side sliding plates 5, 6 are each pressed by a screw 500, 600 with their first contact surface 51, 61 and their third abutment surface 53, 63 against the slider element receptacle.
- the individual elements of the embodiment of the wedge drive 1 according to the invention are matched to one another such that the middle sliding plate 7 bears directly against the sliding contact surfaces 55, 65 of the side sliding plates 5, 6 framing them in the transverse direction.
- the middle slide plate 7 slides along the slide contact surfaces 55, 65 of the two side slide plates 5, 6.
- the middle sliding plate 7 with its two transversely opposite sides on the two sogleitplatten 5, 6 rests and beyond the sogleitplatten each have on one side in the transverse direction a Gleitstrom constitutional 55, 65 and on its opposite side in the transverse direction a second contact surface 52, 62, which is Mittengleitplatte 7 thus firmly between the sogleitplatten 5, 6 out, without the Mitttengleitplatte 7 can move in the transverse direction Y appreciably relative to the slider element receptacle 3.
- the described embodiment thus ensures a linear guidance of the slider element 2 along the sliding direction X on the slider element receiver 3 without the slider element 2 performing a movement relative to the slider element receptacle 3 along the transverse direction Y.
- the return stroke 74 of the center slide plate 7 can be seen.
- the return stroke portion 74 has two holding portions which extend in each case in the transverse direction over a portion along the two sogleitplatten 5, 6, wherein they are arranged in this section along the transverse direction with respect to the transverse transverse direction Z between the Schieberelementauf ⁇ measure 3 and the respective sogleitplatten 5, 6.
- the sogleitplatten 5, 6 are thus with a remindhubstromflache 54, 64 each at a holding portion of the return stroke of the Mittengleitplatte 7.
- FIG. 5 schematically shows the cross section perpendicular to the sliding direction X of a further embodiment of a wedge drive 1 according to the invention.
- the central element 7 is formed integrally with the slider element 2, ie slide element 2 and center element 7 are formed as an integrally manufactured component, here as cast metal body.
- a stable linear guidance of the slide element 2 along the sliding direction X on the slide element receptacle 3 is ensured even in the embodiment according to FIG.
- this power transmission takes place via the first contact surfaces 51, 61 of the slider element receiving the sogleitplatten 5, 6 and then from the sogleitplatten 5, 6 on the slider element 2 via two Gleitstrom friendship parallel to the first contact surfaces 51, 61 and with respect to the transversal transverse direction Z are arranged on the ends of the side sliding plates 5, 6 opposite the first abutment surfaces 51, 61.
- This return stroke section 74 is firmly fixed to the center element 7 by means of screws 700 and has two holding sections, each of which extends over a section along the transverse transverse direction Y along one of the two side sliding plates 5, 6.
- the arrangement of the return stroke section 74 on the middle element 7 with its relative position to the side sliding plates 5, 6 ensures that, after a working stroke, low return stroke, the slide member 2 is forced back into its starting position ⁇ before performing the power stroke, in which, in an embodiment, not shown, the middle element 7 rests on the second support member 32 as explained above.
- exporting ⁇ approximate shape of the return stroke section 74 is formed as a separate slide plate, which surface is designed such that during the return stroke, in which the return stroke section 74 to the 9.gleitplatten 5, 6 slides along sections, egg ne very small frictional force is present.
- the return stroke portion 74 is formed as a sliding plate made of bronze.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Machine Tool Units (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Linear Motors (AREA)
- Toys (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202015106966.9U DE202015106966U1 (de) | 2015-12-21 | 2015-12-21 | Keiltrieb |
PCT/EP2016/082204 WO2017108968A1 (de) | 2015-12-21 | 2016-12-21 | Keiltrieb |
Publications (2)
Publication Number | Publication Date |
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EP3393693A1 true EP3393693A1 (de) | 2018-10-31 |
EP3393693B1 EP3393693B1 (de) | 2020-10-14 |
Family
ID=55358898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16819086.6A Active EP3393693B1 (de) | 2015-12-21 | 2016-12-21 | Keiltrieb |
Country Status (9)
Country | Link |
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US (1) | US20180369893A1 (de) |
EP (1) | EP3393693B1 (de) |
KR (1) | KR102142201B1 (de) |
CN (1) | CN108430664B (de) |
BR (1) | BR112018012375A2 (de) |
DE (1) | DE202015106966U1 (de) |
ES (1) | ES2841575T3 (de) |
MX (1) | MX2018007665A (de) |
WO (1) | WO2017108968A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017108968A1 (de) | 2015-12-21 | 2017-06-29 | Harald Weigelt | Keiltrieb |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202017100989U1 (de) | 2017-02-22 | 2017-04-21 | Fibro Gmbh | Keiltrieb mit optimierter Führung |
CN111389951B (zh) * | 2020-03-26 | 2020-12-25 | 燕山大学 | 一种管材滚胀成形液压机 |
DE202021101852U1 (de) * | 2021-04-07 | 2021-04-30 | Fibro Gmbh | Keiltrieb mit einstellbarer Arbeits- und Montagestellung |
DE102022108067B3 (de) | 2022-04-05 | 2023-04-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Werkzeugschieber und Verfahren zum Montieren und/oder Demontieren |
DE202023101869U1 (de) | 2023-04-13 | 2023-06-22 | F I B R O Gmbh | Keiltrieb mit optimierter Anordnung der Gleitflächen |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5487296A (en) * | 1992-01-09 | 1996-01-30 | Connell Limited Partnership | Univers cam unit |
DE19753549C2 (de) * | 1997-12-03 | 2000-02-17 | Harald Weigelt | Keiltrieb |
JP3757635B2 (ja) * | 1998-08-26 | 2006-03-22 | オイレス工業株式会社 | カム装置 |
DE19860178C1 (de) | 1998-12-24 | 2000-05-11 | Harald Weigelt | Keiltrieb zur Umlenkung einer vertikalen Preßkraft |
EP1136152B1 (de) | 2000-03-17 | 2004-08-11 | Sankyo Oilless Industry, Inc. | Schieber und mit dem Schieber ausgerüsteter Führungsschlitten |
US6990844B1 (en) * | 2004-07-27 | 2006-01-31 | Anchor Lamina America, Inc. | Narrow aerial and die-mount cams |
DE102007045703A1 (de) * | 2007-09-24 | 2009-04-09 | Harald Weigelt | Keiltrieb mit Schieberaufnahme |
JP5448520B2 (ja) * | 2009-03-27 | 2014-03-19 | 三協オイルレス工業株式会社 | カム装置のカムスライダー用緩衝材の取付構造 |
DE102010018534A1 (de) * | 2010-04-27 | 2011-10-27 | Läpple Werkzeugbau GmbH | Vorrichtung zum Formen eines Werkstücks |
DE102014102993B4 (de) | 2014-03-06 | 2016-05-12 | Voestalpine Giesserei Linz Gmbh | Werkzeugschieber |
WO2015132353A2 (de) | 2014-03-06 | 2015-09-11 | Voestalpine Giesserei Linz Gmbh | Werkzeugschieber |
JP2017507036A (ja) | 2014-03-06 | 2017-03-16 | フェストアルピネ・ギーセライ・リンツ・ゲー・エム・ベー・ハー | 工具スライド |
DE102015103112B4 (de) * | 2014-03-06 | 2019-10-10 | voestalpine Gießerei Linz GmbH | Werkzeugschieber |
CN204545106U (zh) * | 2014-12-17 | 2015-08-12 | 上海新朋联众汽车零部件有限公司 | 带有可动冲头的斜楔机构 |
CN204842662U (zh) * | 2015-06-28 | 2015-12-09 | 富士瑞鹄技研(芜湖)有限公司 | 一种新型压料翻边机构 |
DE202015106966U1 (de) | 2015-12-21 | 2016-01-28 | Harald Weigelt | Keiltrieb |
-
2015
- 2015-12-21 DE DE202015106966.9U patent/DE202015106966U1/de not_active Expired - Lifetime
-
2016
- 2016-12-21 BR BR112018012375A patent/BR112018012375A2/pt not_active Application Discontinuation
- 2016-12-21 KR KR1020187019448A patent/KR102142201B1/ko active IP Right Grant
- 2016-12-21 MX MX2018007665A patent/MX2018007665A/es unknown
- 2016-12-21 EP EP16819086.6A patent/EP3393693B1/de active Active
- 2016-12-21 CN CN201680075123.9A patent/CN108430664B/zh not_active Expired - Fee Related
- 2016-12-21 ES ES16819086T patent/ES2841575T3/es active Active
- 2016-12-21 WO PCT/EP2016/082204 patent/WO2017108968A1/de active Application Filing
- 2016-12-21 US US16/063,997 patent/US20180369893A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017108968A1 (de) | 2015-12-21 | 2017-06-29 | Harald Weigelt | Keiltrieb |
Also Published As
Publication number | Publication date |
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BR112018012375A2 (pt) | 2018-12-04 |
CN108430664A (zh) | 2018-08-21 |
ES2841575T3 (es) | 2021-07-08 |
WO2017108968A1 (de) | 2017-06-29 |
DE202015106966U1 (de) | 2016-01-28 |
KR102142201B1 (ko) | 2020-08-06 |
CN108430664B (zh) | 2020-12-29 |
EP3393693B1 (de) | 2020-10-14 |
US20180369893A1 (en) | 2018-12-27 |
MX2018007665A (es) | 2019-07-04 |
KR20180097617A (ko) | 2018-08-31 |
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