EP2643133B1 - Mold for producing molded concrete blocks - Google Patents
Mold for producing molded concrete blocks Download PDFInfo
- Publication number
- EP2643133B1 EP2643133B1 EP11817270.9A EP11817270A EP2643133B1 EP 2643133 B1 EP2643133 B1 EP 2643133B1 EP 11817270 A EP11817270 A EP 11817270A EP 2643133 B1 EP2643133 B1 EP 2643133B1
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- EP
- European Patent Office
- Prior art keywords
- wall panels
- slot
- mould according
- partition wall
- panels
- 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.)
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- 238000005192 partition Methods 0.000 claims description 89
- 238000000465 moulding Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims 2
- 239000004575 stone Substances 0.000 description 19
- 238000005452 bending Methods 0.000 description 7
- 230000013011 mating Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/162—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes for building blocks or similar block-shaped articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation
- B28B7/241—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces
Definitions
- the invention relates to a mold for the production of concrete blocks.
- Molds for the industrial production of concrete blocks in concrete molding machines typically have a plurality of mold cavities arranged side by side and separated from one another by intermediate walls.
- the entirety of the mold cavities is also referred to as a stone field, wherein the marginal mold cavities are limited to the outside of the stone field facing by outer walls.
- at least the intermediate walls are typically formed by wall plates which are directly or indirectly connected to each other and on the outer walls and form a substantially rigid box.
- the mold cavities are upwardly and downwardly open and the wall panels are formed continuously vertically between lower and upper bounding planes of the mold.
- the stone field is usually surrounded by a cover frame surface, which may be formed in particular by exchangeable wear plates.
- the mold cavity limiting wall surfaces are exposed to considerable mechanical stresses, especially static by high side pressure of the concrete set, abut pressure plates at the top, and are dynamically by abrasion of moving during shaking and demolding along the wall surfaces granular components of the concrete amount to reduce wear by abrasion the surfaces of the side walls advantageously hardened.
- Hardening gives case hardening a higher resistance to wear than nitriding, but it also poses a greater risk of forgiving molds and having to be reworked after curing with great effort.
- Weld-free connections can for example be given by the fact that the partitions are designed in a first direction as over the entire stone field continuous first wall plates and extending in a second direction transverse thereto intermediate walls only between two first wall plates and connectors on their first wall plates assigning faces are positively connected to the first wall plates.
- the US 4,249,358 describes forms with intersecting wall panels as partitions and outer walls of mold cavities of a stone field, which are comb-like inserted into each other at points of intersection on oppositely directed slots and outside the stone field without welding attached to a mold frame.
- the invention has for its object to provide an advantageous structure of a form with intersecting at intersections wall plates.
- the support structures are formed as depressions, namely as grooves in the wall surface of a first of the two intermeshed at the junction point wall plates, in which the edges of the slot of the second of the two wall plates are supported.
- the edges of the slots of both intersecting mated partition panels are mutually fixed to support structures of the respective other partition panel and supported against a change in position parallel to the wall surface of the panel structures having the support structures.
- Recesses designed as first grooves in the extension of a first slot as holding structures in the wall surface of a first partition wall are advantageously formed over the entire extent of the first partition walls in extension of the first slot, so that the edges of the second slot over the entire length of the first grooves in this inserted and positively fixed.
- the depth of engagement of the edges of the second slot in the first grooves in a lying at the opening of the second slot initial area is greater than in a spaced-apart from the slot opening area.
- the first grooves may have a constant cross-section over their vertical longitudinal extent and the edges of the second slot in the initial region facing each other pointing projections.
- a slot edge In the area spaced from the slot opening, a slot edge then has a greater distance from the bottom of the slot than at the beginning.
- the projections can also rest firmly against the groove bottoms, without the mating of the intermediate wall plates at the point of intersection being appreciably impeded.
- the outer walls of the mold cavities of the stone field are also bounded by wall plates, hereinafter referred to as outer wall panels.
- the partition plates may also preferably via comb-like slot connectors at intersections with partition plates and / or other outer wall panels to be connected without welding. At these crossing points, other forms of connection can be given.
- Relative fixing of outer wall panels to one another and to the intermediate wall panels preferably takes place outside of the stone field, for which purpose the partition panels advantageously protrude laterally beyond the outer wall panels with projections.
- no welds are performed on the Formnester limiting plate sections.
- connecting elements can be arranged on outer surfaces of the outer wall panels and / or intermediate wall panels, which effect a relative vertical fixation of intermediate wall panels and outer wall panels.
- the mold has an outline which is substantially rectangular in plan, limited by longitudinal sides and transverse sides, and flanges for clamping into a molding machine on both lateral sides, but not on the longitudinal sides, by means of which the mold is filled during filling of the mold cavities and during a vibrating operation to solidify the mold Betongemenges to concrete blocks on the vibratory pad with high power is pressed.
- the largest Force load is assumed during the lifting of the mold during demoulding of the concrete blocks, occur in a matched to a vibratory pad form the maximum loads during the shaking, in particular the pad upward forces on the lower edges of the wall plates of the mold and Maschineneinhard downwardly directed Exert forces on the flanges on the transverse sides.
- the slot openings point downwards, so that a narrowing of the slot opening connected to a deflection of these partition panels is particularly advantageously compensated by supporting the slot edges on the transverse wall panels and a deflection is particularly low can be held.
- the length of the downwardly facing slots is not more than 45%, in particular not more than 40% of the total height of the partition plates.
- the length of the upwardly open slots then at least 55%, in particular at least 60% of the total height of the partition plates.
- Fig. 1 shows in oblique view from above a complete mold for the production of hollow blocks, to which the invention is explained below.
- Plotted with is a shape-related, right-angled xyz-coordinate system, the xy plane of which runs horizontally in the regular operating position of the mold and whose z-direction indicates the vertical direction.
- the x-direction is also referred to below as the transverse direction and the y-direction as the longitudinal direction.
- the mold has a plurality of mold cavities FN, which lie between an in Fig. 1 visible upper horizontal boundary plane and one in Fig. 1 covered concealed lower horizontal boundary plane with substantially constant cross section and are open at the top and bottom.
- the mold is placed in operation with the lower boundary plane on a vibratory pad of a molding machine and arranged on two opposite in the longitudinal direction y opposite transverse sides arranged machine flanges FM in a molding machine and pressed onto the vibratory pad.
- a filling carriage is typically moved over the mold in the x-direction.
- dirt strips or guide rails WF may be provided at the top of the mold dirt strips or guide rails WF may be provided.
- the entirety of the plurality of mold cavities FN forms the stone field which is bounded outwardly by longitudinal outer walls AL extending in the longitudinal direction y and transverse transverse outer walls AQ extending in the transverse direction x.
- the outer walls AL, AQ are advantageously formed by wall panels.
- the mold cavity is subdivided by longitudinal intermediate walls ZL extending in the longitudinal direction y and by transverse transverse walls ZQ extending in the transverse direction x into the plurality of mold cavities.
- the intermediate walls intersect at points of intersection KP and are there inserted into one another in a manner described in more detail below and held together without any welds.
- the partition walls ZL, ZQ are also designed as wall panels and go in the longitudinal direction or transverse direction uninterrupted between the outer walls AL and AQ through the stone field. At the crossing points, the intermediate wall plates ZQ, ZL are supported horizontally against each other.
- a vertical fixation between running in the longitudinal direction and in the transverse direction wall panels is advantageously carried out by connecting means outside the stone field, for what in Fig. 1 a clamping strip SL shown in the longitudinal direction is shown, which is guided through recesses SA in over the longitudinal outer wall panels AL beyond projecting plate projections UQ of the transverse partition plates.
- Form cores FK which are held on the stone field spanning core holder strips KL, are arranged in the mold cavities FN.
- the machine flanges FM are advantageously connected to the plate ends of the longitudinally extending intermediate wall panels ZL and outer wall panels AL in order to transmit the forces of the molding machine to the mold. There are no machine flanges on the long sides of the mold. When the mold is pressed onto the vibratable support via the machine flanges FM clamped in the molding machine, the mold is therefore stressed, in particular, by deflection in y-z planes.
- Fig. 2 shows components of in Fig. 1 illustrated form in an assembly diagram. In Fig. 2 for clarity, not shown are the mandrels FK and the core holder strips KL. In Fig. 2 the longitudinally and transversely extending wall panels are still shown in the mated condition.
- Fig. 3 shows only those in the form Fig. 1 and Fig. 2 inserted wall panels in disassociated, but aligned for assembly representation.
- the longitudinal intermediate wall panels ZL and one of the longitudinal outer wall panels AL have on one side a non-planar structure, which for producing depressions in side surfaces of a hollow block, into which mortar or adhesive for connecting adjacent stones can be introduced.
- the wall panels are substantially flat and advantageously at least approximately of the same thickness, which favors the uniform and low-distortion hardening in a common hardening process.
- the flatness of the plates is not mandatory, but is particularly advantageous in terms of production and common for a variety of stone shapes. The following is therefore without limitation of generality assumed forms with longitudinally and transversely straight wall panels.
- the longitudinal intermediate wall plates ZL have upwardly leading lower slots SU from their lower edges UK, and in the transverse intermediate wall plates ZQ, slots SO are guided downwardly in a corresponding manner from the upper edges of these transverse partition plates. Also in the outer wall panels AL, AQ and the additional wall panels WZ corresponding slots are formed.
- the longitudinal or transverse wall panels, which cross each other in vertical projection, are plugged together with vertically aligned lower slots SU and upper slots SO. The slots are then at the intersections of the composite plates.
- Fig. 4 shows to further illustrate the invention, only a longitudinal intermediate wall ZL and a transverse partition ZQ, which are inserted into each other at a crossing point KP, so that the lower edges of both wall panels lie in a common lower boundary plane.
- the plug-in connection of the two wall panels in the crossing point KP ensures that both wall panels are supported on one another both in the longitudinal direction y and in the transverse direction x.
- Essential to the invention is that at the intersection not only a lateral overlap of the longitudinal intermediate wall ZL is given by a slot SO of the transverse partition ZQ and a spreading of the transverse partition ZQ through a slot SU of the longitudinal partition ZL, but that in addition the slot edges of at least one slot SU or SO, preferably both slots by holding structures on the wall plate encompassed by the respective slot additionally in the horizontal direction parallel to are supported by the embraced wall plate.
- the edges of an upwardly open slot SO of the transverse partition wall ZQ are thereby additionally supported in the y-direction at the point of intersection KP, so that no deflection, in particular of the upper edge of the transverse partition wall ZQ, can occur in the region of the slot opening.
- Fig. 4 outlines such holding structures on the wall panels realized by grooves in extension of the slots.
- upper grooves NO are formed as recesses against the surrounding plate surface. Slot edges of an upwardly open slot SO of the transverse partition wall ZQ are located in a crossing point KP in these upper grooves NO and thus prevent escaping in particular of the upper edges of the transverse partition wall ZQ at the crossing point KP in the y direction when high forces occur.
- lower grooves NU are provided in the transverse partition ZQ, and edges of a lower slot SU of the longitudinal partition ZL are in lower grooves NU of the transverse partition ZQ against deflection in the x direction supported.
- the support is of particular importance in the respective slot openings, since the wall panels are here exposed to the greatest bending moments in opposing plate sides possibly unequal acting forces on the wall panels.
- the slots are therefore advantageously in the range their openings narrowed by a small amount compared to their remaining course.
- the lower slots SU are in the region of the slot opening at the lower edge of the longitudinal partition wall wall projections VU, at the upper slots SO in the transverse partition projections VO are formed, which narrow the slot width in the region of the slot opening slightly compared to the rest of the slot.
- Such a special design of the slots is of particular advantage for the transverse support of the particularly loaded plate edges in the region of the slot openings on the one hand and for easy mating cross-plates in the crossing points on the other.
- the lower slots would be narrowed, but this is largely prevented by the support of the Nutenr selected the lower slots SU in the lower grooves NU of the transverse partition plate in the y direction, so that by this choice of the orientation of the slot openings in the longitudinal partition plates after below the bending stiffness of these plates is increased against the particular bending stresses in the molding machine during the shaking operation.
- the transverse partition plates ZQ are not exposed to significant bending stresses, since on the opposite ends this transverse partition plates no special acting beyond the inherent rigidity of the mold depressing forces act.
- the particular and different bending stresses of the longitudinal and the transverse partition plates with the machine flanges exclusively at the opposite ends of the longitudinal partition plates is also advantageously taken into account that the slot length of the lower slots SU in the longitudinal partition plates is less than the length the upper slots SO in the transverse partition plates.
- Fig. 5 is a longitudinal intermediate wall plate ZL singled shown in different views, wherein Fig. 5 (A) an oblique view, Fig. 5 (B) a bottom view of the bottom edge and Fig. 5 (C) represents a view in the x-direction perpendicular to the plate surface.
- the individual design features of the longitudinal intermediate wall plate ZL are with the already in Fig. 4 used reference numerals, so that the explanations to Fig. 4 is referenced.
- Fig. 5 are designated by Roman numerals VII, VIII and IX areas, which in FIGS. 7, 8 and 9 are shown enlarged.
- Fig. 6 shows an oblique view of an isolated transverse partition wall plate ZQ, in which HO denotes the slot length of the upper slot SO.
- the slot length HO is advantageously at least 55%, in particular at least 60% of the total height HW of the wall panel.
- the rest in Fig. 6 Reference numerals used in their identification are identical to the reference numerals used in the preceding figures, to which reference is made.
- Fig. 7 shows as a section VII Fig. 5 (A) in oblique view, a lower slot SU in a longitudinal intermediate wall plate ZL.
- Fig. 8 shows the section with view parallel to the x-direction.
- the bottom slot SU is open to the lower edge UK of the wall plate.
- the slit width measured in the y direction is reduced to a width dimension DU by opposed cams as projections VU.
- the dimension DU is matched to the wall thickness reduced in the lower groove NU of the transverse partition panel.
- the slot SU is made wider by a small amount.
- an upper groove NO is formed as a depression against the wall surface of the longitudinal partition wall plate as a support structure for the slit edges of a transverse partition wall plate mated at a crossing point with the longitudinal partition wall plate ZL.
- the width of the groove NO in the y-direction is preferably substantially equal to the cam spacing DU.
- the width BO of the groove NO is tuned to the width of the upper cam VO, which is reduced in relation to the surrounding wall thickness of the transverse partition wall plate, at the opening from the slot SO open at the top.
- Fig. 9 is a bottom view of the lower slot SU of the longitudinal partition plate after 8 and 9 shown, from which the opposite upper grooves NO as depressions against the wall surface and the projecting from the edges of the lower slot on both sides of the slot center lower projections VU are visible. With a broken line a concealed in this view chamfer FA is indicated on the upper edge of the longitudinal partition plate.
- Fig. 10 shows an oblique view of a section of a transverse partition plate with an upper slot SO.
- the slot SO is narrowed at the slot opening at the upper edge of the transverse partition panel by upper projections VO directed toward the slot center, and from the slot opening in the direction of the slot bottom after the upper protrusions VO in a region spaced from the slot opening area widens again.
- the lower groove NU in the transverse partition wall plate is continued to the upper edge thereof, so that the upper projections VO do not extend in the y-direction over the entire plate thickness, but at this point in vertical projection, a stepped course of the edges of the upper slot occurs ,
- Fig. 11 shows as a sectional view in a yz-sectional plane a section of a crossing point with a longitudinal intermediate wall plate ZL and a mating with this transverse partition plate ZQ. From the illustration to Fig. 11 In particular, it can be seen that the spacing of the edges of the lower slot SU from the transverse baffle plate in the y-direction is greater in a region spaced from the lower slot opening of the lower slot SU than in an area at the lower slot opening where the edges of the lower Slot over lower projections VU are formed projecting towards the slot center. This is particularly advantageous for the mating of the wall panels in the crossing point. This is in an in Fig. 15 shown section C from Fig. 11 further illustrated. In the in Fig. 15 shown section between the lower projections VU and the transverse partition plate ZQ is still a narrow gap indicated. However, the lower projections VU can also rest directly on the transverse partition plate ZQ in the y direction.
- Fig. 12 shows a view on a crossing point from below. From this view, it is clear how the edges of the lower slot SU of the longitudinal partition plate ZL engage in the lower groove NU of the transverse partition plate ZQ and how the edges of the slot SU are positively supported on the side edges of the lower groove in the x direction. A reliable support is in particular in the region of the lower projections VU by the deeper Intervention in the grooves NU given.
- Fig. 12 with XI - XI is the cutting plane in the view Fig. 11 indicating that the in Fig. 11 hatched for the transverse partition wall plate ZQ sectional area is not the full wall thickness of the transverse partition wall plate ZQ, but the reduced in the region of the lower grooves NU wall thickness.
- Fig. 13 shows a view vertically from above to a crossing point and illustrates the graded in this area the course of the edges of the upper slot SO with the not the full wall thickness of the transverse partition plate ZQ engaging upper projections VO.
- the upper slot SO may be formed engaging in the upper groove NO in an area spaced from its slot opening in the direction of the slot bottom, the engagement depth in this spaced area being advantageously less than the engagement depth of the projections VO in the groove NO.
- the upper slot SO can but the in Fig.
- Fig. 14 shows an enlarged section C from Fig. 11 in which the design of the slot bottom of the lower slot SU is shown enlarged.
- the side walls of the lower slot SU pass over the slots FR in the region of the slot depth GU bounding the depth of insertion during the mating of longitudinal and transverse partition plates, via roundings FR, thereby reliably avoiding the occurrence of high notch stresses in this area.
- the area of the upper slot SO in the region of its slot bottom GO is advantageously designed in the same way.
- Fig. 16 shows a further embodiment of a mold with the inventive compound of longitudinal and transverse partition plates, wherein the in Fig. 16 As shown, the cover plates and the core holder assembly are omitted.
- Fig. 17 shows an enlarged section Fig. 16 , At the in Fig. 16
- the transverse intermediate wall panels extending in the transverse direction x are connected to the longitudinal outer wall panels AL via plate sections UQ protruding beyond the longitudinal outer wall panels AL via angle connectors VW.
- the angle connectors VW are bolted to both the protruding portions UQ and the outsides of the outer wall panels AL via two vertical connector legs.
- the angle connectors VW can have an additional horizontal connector leg, which serves to screw the cover plates onto the mold.
- the plate portions of the transverse outer wall panels AQ transversely beyond the outer wall panel AL may be connected to the longitudinal outer wall panels AL by the same angle connectors.
- About additional holding elements HL, which are positively inserted into recesses of the outer surface of the outer wall panels AL and bolted to the outer wall panels AL, which can over the outer wall panels projecting portions of core holder strips vertically down against the outer wall plates are braced.
- connection angle VF On the transverse sides of the mold further connection angle VF are provided, by means of which the machine flange strips FM are attached to the longitudinal intermediate wall panels and longitudinal outer wall panels.
- the angle connectors VF can advantageously also serve at the same time for screwing the transverse cover plates DQ or DL on the mold.
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Description
Die Erfindung betrifft eine Form zur Herstellung von Betonformsteinen.The invention relates to a mold for the production of concrete blocks.
Formen zur industriellen Herstellung von Betonformsteinen in Betonformmaschinen weisen typischerweise eine Mehrzahl von nebeneinander angeordneten und durch Zwischenwände voneinander getrennten Formnestern auf. Die Gesamtheit der Formnester wird auch als Steinfeld bezeichnet, wobei die randständigen Formnester zur Außenseite des Steinfelds weisend durch Außenwände begrenzt sind. Insbesondere für hohe Formen, beispielsweise zur Herstellung von Hohlblocksteinen, sind zumindest die Zwischenwände typischerweise durch Wandplatten gebildet, welche untereinander und auf den Außenwänden direkt oder indirekt verbunden sind und einen im wesentlichen starren Kasten bilden. Die Formnester sind nach oben und unten offen und die Wandplatten sind vertikal zwischen einer unteren und einer oberen Begrenzungsebene der Form durchgehend ausgebildet. An der Oberseite der Form ist das Steinfeld in der Regel von einer Deckrahmenfläche, welche insbesondere durch austauschbare Verschleißbleche gebildet sein kann, umgeben.Molds for the industrial production of concrete blocks in concrete molding machines typically have a plurality of mold cavities arranged side by side and separated from one another by intermediate walls. The entirety of the mold cavities is also referred to as a stone field, wherein the marginal mold cavities are limited to the outside of the stone field facing by outer walls. In particular, for tall molds, for example for the production of hollow blocks, at least the intermediate walls are typically formed by wall plates which are directly or indirectly connected to each other and on the outer walls and form a substantially rigid box. The mold cavities are upwardly and downwardly open and the wall panels are formed continuously vertically between lower and upper bounding planes of the mold. At the top of the mold, the stone field is usually surrounded by a cover frame surface, which may be formed in particular by exchangeable wear plates.
Die die Formnester begrenzenden Wandflächen sind erheblichen mechanischen Beanspruchungen ausgesetzt, insbesondere statisch durch hohen Seitendruck des Betongemenges, an dessen Oberseite Druckplatten anliegen, und dynamisch durch Abriebskräfte der beim Rütteln und beim Entformen entlang der Wandflächen bewegten körnigen Bestandteile des Betongemenges zur Verminderung von Verschleißerscheinungen durch Abrieb werden die Oberflächen der Seitenwände vorteilhafterweise gehärtet. Bei der Härtung ergibt eine Einsatzhärtung eine höhere Verschleißfestigkeit als eine Nitrierung, birgt aber auch eine größere Gefahr, dass sich Formen verziehen und mit hohem Aufwand nach der Härtung nachgearbeitet werden müssen.The mold cavity limiting wall surfaces are exposed to considerable mechanical stresses, especially static by high side pressure of the concrete set, abut pressure plates at the top, and are dynamically by abrasion of moving during shaking and demolding along the wall surfaces granular components of the concrete amount to reduce wear by abrasion the surfaces of the side walls advantageously hardened. Hardening gives case hardening a higher resistance to wear than nitriding, but it also poses a greater risk of forgiving molds and having to be reworked after curing with great effort.
Während bei Formen, bei welchen Zwischenwände nur in einer Richtung zwischen gegenüber liegenden Außenwänden verlaufen, die Verbindungen der Zwischenwände mit den Außenwänden auf relativ einfache Arten formstabil ausführbar sind, ist dies bei Formen mit in verschiedene Richtungen verlaufenden und sich an Kreuzungspunkten überschneidenden Zwischenwänden bedeutend schwieriger.While in forms in which intermediate walls extend only in one direction between opposite outer walls, the compounds of the intermediate walls with the outer walls in a relatively simple manner dimensionally stable executable, this is significantly more difficult in forms with running in different directions and at intersections intersecting partitions.
Schweißverbindungen der Wandplatten an Kreuzungspunkten bilden zwar stabile Verbindungen, schwächen aber bei Verschweißung nach der Härtung die Verschleißfestigkeit und erhöhen die Dauerbruchsgefahr. Formen mit vor der Härtung verschweißten Wandplatten weisen nach der Härtung häufig einen starken Verzug auf.Welded connections of the wall panels at intersection points form stable connections, but weaken wear resistance after hardening and increase the risk of fatigue failure. Forms with wall plates welded before curing often show a strong distortion after hardening.
Verschweißungsfreie Verbindungen können beispielsweise dadurch gegeben sein, dass die Zwischenwände in einer ersten Richtung als über das gesamte Steinfeld durchgehende erste Wandplatten ausgeführt sind und in einer zweiten Richtung quer dazu verlaufende Zwischenwände nur zwischen zwei ersten Wandplatten verlaufen und über Steckverbindungen an ihren den ersten Wandplatten zuweisenden Stirnflächen mit den ersten Wandplatten formschlüssig verbunden sind. Die
In der
Aus der
Der Erfindung liegt die Aufgabe zugrunde, einen vorteilhaften Aufbau einer Form mit sich an Kreuzungspunkten überschneidenden Wandplatten anzugeben.The invention has for its object to provide an advantageous structure of a form with intersecting at intersections wall plates.
Die Erfindung ist im unabhängigen Anspruch beschrieben. Die abhängigen Ansprüche enthalten vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung.The invention is described in the independent claim. The dependent claims contain advantageous refinements and developments of the invention.
Durch die formschlüssige Fixierung der Ränder eines Schlitzes einer Zwischenwandplatte mittels Haltestrukturen an der anderen Zwischenwandplatte eines Kreuzungspunkts ergibt sich vorteilhafterweise mit geringem Aufwand ohne Verschweißung oder zusätzliche mechanische Verbindungselemente eine Querabstützung mit hoher Stabilität der an dem Kreuzungspunkt bestehenden Steckverbindung zweier Zwischenwandplatten. Insbesondere kann ein seitliches Abweichen der Wandplatten von dem vertikalen Verlauf im Bereich der Öffnung des Schlitzes, z. B. unter Einwirkung des hydrostatischen Drucks im Betongemenge.Due to the positive fixing of the edges of a slot of a partition wall plate by means of holding structures on the other partition plate of a crossing point results advantageously with little effort without welding or additional mechanical fasteners a transverse support with high stability of existing at the intersection point connector of two partition plates. In particular, a lateral deviation of the wall panels from the vertical course in the region of the opening of the slot, for. B. under the influence of hydrostatic pressure in the concrete amount.
Bei den Angaben oben, unten, vertikal, horizontal usw. sei dabei und im folgenden von einer regulären Betriebslage der Form in einer Formmaschine ausgegangen, bei welcher die Form mit einer unteren Begrenzungsebene auf einer horizontalen ebenen Unterlage aufliegt und die Formnester in vertikaler Richtung einen im wesentlichen gleichbleibenden Querschnitt besitzen.In the above, below, vertically, horizontally, etc. let and in the following from a regular operating position of the mold in a molding machine, in which the mold rests with a lower boundary plane on a horizontal flat surface and the mold cavities in the vertical direction in the have substantially constant cross-section.
Durch die formschlüssige Fixierung können vorteilhafterweise auch eventuell auftretende geringe Formverzüge der Zwischenwandplatten aus einem vorangegangenen Härtevorgang wieder ausgeglichen werden. Die Haltestrukturen sind als Vertiefungen, nämlich als Nuten in der Wandfläche einer ersten der beiden an dem Kreuzungspunkt ineinander gesteckten Wandplatten ausgebildet, in welchen die Ränder des Schlitzes der zweiten der beiden Wandplatten abgestützt sind.Due to the positive fixing advantageously occurring even deformations of the intermediate wall panels can be compensated again from a previous hardening process. The support structures are formed as depressions, namely as grooves in the wall surface of a first of the two intermeshed at the junction point wall plates, in which the edges of the slot of the second of the two wall plates are supported.
Von Bedeutung ist insbesondere die Querabstützung der Ränder der nach unten offenen Schlitze. Vorzugsweise sind an einem Kreuzungspunkt die Ränder der Schlitze beider sich kreuzend ineinander gesteckter Zwischenwandplatten wechselseitig an Haltestrukturen der jeweils anderen Zwischenwandplatte fixiert und gegen eine Lageveränderung parallel zu der Wandfläche der die Halterstrukturen aufweisenden Wandfläche abgestützt.Of particular importance is the transverse support of the edges of the downwardly open slots. Preferably, at an intersection, the edges of the slots of both intersecting mated partition panels are mutually fixed to support structures of the respective other partition panel and supported against a change in position parallel to the wall surface of the panel structures having the support structures.
Als erste Nuten in Verlängerung eines ersten Schlitzes ausgeführte Vertiefungen als Haltestrukturen in der Wandfläche einer ersten Zwischenwandplatte sind vorteilhafterweise über die gesamte Erstreckung der ersten Zwischenwandplatten in Verlängerung des ersten Schlitzes ausgebildet, so dass die Ränder des zweiten Schlitzes über die gesamte Länge der ersten Nuten in diesen einlege und formschlüssig fixiert sind. Außerdem ist die Eingriffstiefe der Ränder des zweiten Schlitzes in die ersten Nuten in einem bei der Öffnung des zweiten Schlitzes liegenden Anfangsbereich größer als in einem von der Schlitzöffnung beabstandeten Bereich. Hierfür können die ersten Nuten einen über ihre vertikale Längserstreckung konstanten Querschnitt besitzen und die Ränder des zweiten Schlitzes in dem Anfangsbereich aufeinander zu weisende Vorsprünge zeigen. In dem von der Schlitzöffnung beabstandeten Bereich weist ein Schlitzrand dann gegen den Grund der Nut einen größeren Abstand auf als im Anfangsbereich. Insbesondere können die Vorsprünge an den Nutengründen auch fest anliegen, ohne dass das Zusammenstecken der Zwischenwandplatten an dem Kreuzungspunkt nennenswert erschwert wäre.Recesses designed as first grooves in the extension of a first slot as holding structures in the wall surface of a first partition wall are advantageously formed over the entire extent of the first partition walls in extension of the first slot, so that the edges of the second slot over the entire length of the first grooves in this inserted and positively fixed. In addition, the depth of engagement of the edges of the second slot in the first grooves in a lying at the opening of the second slot initial area is greater than in a spaced-apart from the slot opening area. For this purpose, the first grooves may have a constant cross-section over their vertical longitudinal extent and the edges of the second slot in the initial region facing each other pointing projections. In the area spaced from the slot opening, a slot edge then has a greater distance from the bottom of the slot than at the beginning. In particular, the projections can also rest firmly against the groove bottoms, without the mating of the intermediate wall plates at the point of intersection being appreciably impeded.
Vorteilhafterweise sind die Außenwände der Formnester des Steinfelds gleichfalls durch Wandplatten, nachfolgend als Außenwandplatten bezeichnet, begrenzt. Die Zwischenwandplatten können vorzugsweise gleichfalls über kammartige Schlitz-Steckverbindungen an Kreuzungspunkten mit Zwischenwandplatten und/oder anderen Außenwandplatten verschweißungsfrei verbunden sein. An diesen Kreuzungspunkten können auch andere Verbindungsformen gegeben sein. Eine relative Fixierung von Außenwandplatten untereinander und mit den Zwischenwandplatten erfolgt vorzugsweise außerhalb des Steinfelds, wofür die Zwischenwandplatten vorteilhafterweise mit Überständen seitlich über den Außenwandplatten hinausragen. Vorteilhafterweise sind dabei an die Formnester begrenzenden Plattenabschnitten keine Verschweißungen durchgeführt. Insbesondere können Verbindungselemente an Außenflächen der Außenwandplatten und/oder Zwischenwandplatten angeordnet sein, welche eine relative vertikale Fixierung von Zwischenwandplatten und Außenwandplatten bewirken.Advantageously, the outer walls of the mold cavities of the stone field are also bounded by wall plates, hereinafter referred to as outer wall panels. The partition plates may also preferably via comb-like slot connectors at intersections with partition plates and / or other outer wall panels to be connected without welding. At these crossing points, other forms of connection can be given. Relative fixing of outer wall panels to one another and to the intermediate wall panels preferably takes place outside of the stone field, for which purpose the partition panels advantageously protrude laterally beyond the outer wall panels with projections. Advantageously, no welds are performed on the Formnester limiting plate sections. In particular, connecting elements can be arranged on outer surfaces of the outer wall panels and / or intermediate wall panels, which effect a relative vertical fixation of intermediate wall panels and outer wall panels.
In besonderer Ausführung können an zwei gegenüber liegenden Seiten des Steinfelds von den dieses begrenzenden Außenwandplatten von dem Steinfeld weg beabstandet zusätzlich, zu den Außenwandplatten im wesentlichen parallele Zusatzplatten vorgesehen sein, welche mit den Außenwandplatten und den dazu gekreuzt verlaufenden Zwischenwandplatten Leerfelder bilden. Durch die Beabstandung zu dem Steinfeld können bei den Zusatzplatten Schweißverbindungen mit den kreuzenden Zwischenwandplatten hergestellt sein, ohne die Verschleißfestigkeit der gehärteten Wandflächen der Formnester zu beeinträchtigen.In a particular embodiment can be provided on two opposite sides of the stone field of the this limiting outer wall panels away from the stone field in addition to the outer wall panels substantially parallel additional plates which form with the outer wall panels and crossed to running partition panels blank spaces. Due to the spacing from the stone field, welding joints with the intersecting partition plates can be produced on the additional panels without impairing the wear resistance of the hardened wall surfaces of the mold cavities.
Vorteilhafterweise weist die Form einen in Draufsicht im wesentlichen rechtekkigen durch Längsseiten und Querseiten begrenzten Umriss und an beiden Querseiten, nicht aber an den Längsseiten Flansche zum Einspannen in eine Formmaschine auf, mittels welcher die Form während des Befüllens der Formnester und während eines Rüttelvorgangs zur Verfestigung des Betongemenges zu Betonformsteinen auf die rüttelbare Unterlage mit hoher Kraft andrückbar ist. Während bei der eingangs genannten
Die Erfindung ist nachfolgend anhand bevorzugter Ausführungsbeispiele unter Bezugnahme auf die Abbildungen noch eingehend veranschaulicht. Dabei zeigt:
- Fig. 1
- eine komplette Form in Schrägansicht,
- Fig. 2
- eine Zusammenbaudarstellung von Komponenten der Form nach
Fig. 1 , - Fig. 3
- die Wandplatten zu der Form nach
Fig. 1 in Zusammenbaustellung, - Fig. 4
- zwei ineinander gesteckte Wandplatten,
- Fig. 5
- eine Längswandplatte in verschiedenen Ansichten,
- Fig. 6
- eine Querwandplatte,
- Fig. 7
- einen vergrößerten Ausschnitt eines Schlitzes,
- Fig. 8
- die Darstellung nach
Fig. 7 mit Blick parallel zur Wandflächennormale, - Fig. 9
- einen Blick in den Schlitz von unten,
- Fig. 10
- eine Schrägansicht eines nach oben offenen Schlitzes,
- Fig. 11
- eine Schnittdarstellung eines Ausschnitts eines Kreuzungspunkts,
- Fig. 12
- einen Kreuzungspunkt von unten
- Fig. 13
- einen Kreuzungspunkt von oben,
- Fig. 14
- eine vergrößerte Darstellung eines Schlitzendbereichs,
- Fig. 15
- eine vergrößerte Darstellung eines Abstützungsbereichs,
- Fig. 16
- eine Variante eines Formaufbaus,
- Fig. 17
- einen Ausschnitt aus
Fig. 16 .
- Fig. 1
- a complete shape in an oblique view,
- Fig. 2
- an assembly diagram of components in shape
Fig. 1 . - Fig. 3
- the wall panels to the shape
Fig. 1 in an assembled position, - Fig. 4
- two nested wall panels,
- Fig. 5
- a longitudinal wall panel in different views,
- Fig. 6
- a transverse wall panel,
- Fig. 7
- an enlarged section of a slot,
- Fig. 8
- the representation after
Fig. 7 with a view parallel to the wall surface normal, - Fig. 9
- a look into the slot from below,
- Fig. 10
- an oblique view of an upwardly open slot,
- Fig. 11
- a sectional view of a section of a crossing point,
- Fig. 12
- a crossing point from below
- Fig. 13
- a crossroads from above,
- Fig. 14
- an enlarged view of a Schlitzendbereichs,
- Fig. 15
- an enlarged view of a support area,
- Fig. 16
- a variant of a mold design,
- Fig. 17
- a section from
Fig. 16 ,
Die Form weist eine Mehrzahl von Formnestern FN auf, welche zwischen einer in
Die Gesamtheit der mehreren Formnester FN bildet das Steinfeld, welches nach außen durch in Längsrichtung y verlaufende Längs-Außenwände AL und durch in Querrichtung x verlaufende Quer-Außenwände AQ begrenzt ist. Die Außenwände AL, AQ sind vorteilhafterweise durch Wandplatten gebildet.The entirety of the plurality of mold cavities FN forms the stone field which is bounded outwardly by longitudinal outer walls AL extending in the longitudinal direction y and transverse transverse outer walls AQ extending in the transverse direction x. The outer walls AL, AQ are advantageously formed by wall panels.
Das Formnest ist durch in Längsrichtung y verlaufende Längs-Zwischenwände ZL und durch in Querrichtung x verlaufende Querzwischenwände ZQ in die mehreren Formnester unterteilt. Die Zwischenwände überkreuzen sich an Kreuzungspunkten KP und sind dort auf nachfolgend noch näher beschriebene Wiese ineinander gesteckt und verschweißungsfrei aneinander gehalten. Die Zwischenwände ZL, ZQ sind gleichfalls als Wandplatten ausgeführt und gehen in Längsrichtung bzw. Querrichtung ununterbrochen zwischen den Außenwänden AL bzw. AQ durch das Steinfeld durch. An den Kreuzungspunkten sind die Zwischenwandplatten ZQ, ZL horizontal gegeneinander abgestützt. Eine vertikale Fixierung zwischen in Längsrichtung und in Querrichtung verlaufenden Wandplatten erfolgt vorteilhafterweise durch Verbindungseinrichtungen außerhalb des Steinfelds, wofür in
In den Formnestern FN sind Formkerne FK angeordnet, welche an das Steinfeld überspannenden Kernhalterleisten KL gehalten sind.Form cores FK, which are held on the stone field spanning core holder strips KL, are arranged in the mold cavities FN.
In Längsrichtung y von den Quer-Außenwandplatten AQ vom Steinfeld weg versetzt sind in dem in
Die Maschinenflansche FM sind vorteilhafterweise mit den Plattenenden der in Längsrichtung verlaufenden Zwischenwandplatten ZL und Außenwandplatten AL verbunden, um die Kräfte der Formmaschine auf die Form zu übertragen. An den Längsseiten der Form sind keine Maschinenflansche angebracht. Beim Andrücken der Form auf die rüttelbare Unterlage über die in die Formmaschine eingespannten Maschinenflansche FM ist daher die Form insbesondere auf Durchbiegung in y-z-Ebenen beansprucht.The machine flanges FM are advantageously connected to the plate ends of the longitudinally extending intermediate wall panels ZL and outer wall panels AL in order to transmit the forces of the molding machine to the mold. There are no machine flanges on the long sides of the mold. When the mold is pressed onto the vibratable support via the machine flanges FM clamped in the molding machine, the mold is therefore stressed, in particular, by deflection in y-z planes.
Die Längs-Zwischenwandplatten ZL weisen von ihren Unterkanten UK her nach oben führende untere Schlitze SU auf und in den Quer-Zwischenwandplatten ZQ sind in entsprechender Weise von den Oberkanten dieser Quer-Zwischenwandplatten Schlitze SO nach unten geführt. Auch in den Außenwandplatten AL, AQ und den zusätzlichen Wandplatten WZ sind entsprechende Schlitze ausgebildet. Die in vertikaler Projektion einander überkreuzend verlaufenden Längs- bzw. Quer-Wandplatten werden mit in Vertikalrichtung fluchtenden unteren Schlitzen SU und oberen Schlitzen SO zusammen gesteckt. Die Schlitze liegen dann an den Kreuzungspunkten der zusammengesetzten Platten.The longitudinal intermediate wall plates ZL have upwardly leading lower slots SU from their lower edges UK, and in the transverse intermediate wall plates ZQ, slots SO are guided downwardly in a corresponding manner from the upper edges of these transverse partition plates. Also in the outer wall panels AL, AQ and the additional wall panels WZ corresponding slots are formed. The longitudinal or transverse wall panels, which cross each other in vertical projection, are plugged together with vertically aligned lower slots SU and upper slots SO. The slots are then at the intersections of the composite plates.
Wesentlich für die Erfindung ist, dass an dem Kreuzungspunkt nicht nur ein seitliches Übergreifen der Längs-Zwischenwand ZL durch einen Schlitz SO der Quer-Zwischenwand ZQ und ein Übergreifen der Quer-Zwischenwand ZQ durch einen Schlitz SU der Längs-Zwischenwand ZL gegeben ist, sondern dass zusätzlich die Schlitzränder zumindest eines Schlitzes SU oder SO, vorzugsweise beider Schlitze durch Haltestrukturen an der von dem jeweiligen Schlitz umgriffenen Wandplatte zusätzlich in horizontaler Richtung parallel zu der umgriffenen Wandplatte abgestützt sind. Die Ränder eines nach oben offenen Schlitzes SO der Quer-Zwischenwand ZQ sind dadurch im Kreuzungspunkt KP zusätzlich in y-Richtung abgestützt, so dass keine Durchbiegung insbesondere der Oberkante der Quer-Zwischenwand ZQ im Bereich der Schlitzöffnung auftreten kann. In gleicher Weise sind die Ränder eines nach unten offenen Schlitzes SU der Längs-Zwischenwand ZL in dem Kreuzungspunkt KP durch Haltestrukturen an der Quer-Zwischenwand ZQ im Kreuzungspunkt gegen eine bei Verformung der Längs-Zwischenwand ZL eventuell mögliche Verschiebung insbesondere der Unterkante UK der Längs-Zwischenwand durch Haltestrukturen an der Quer-Zwischenwand abgestützt.Essential to the invention is that at the intersection not only a lateral overlap of the longitudinal intermediate wall ZL is given by a slot SO of the transverse partition ZQ and a spreading of the transverse partition ZQ through a slot SU of the longitudinal partition ZL, but that in addition the slot edges of at least one slot SU or SO, preferably both slots by holding structures on the wall plate encompassed by the respective slot additionally in the horizontal direction parallel to are supported by the embraced wall plate. The edges of an upwardly open slot SO of the transverse partition wall ZQ are thereby additionally supported in the y-direction at the point of intersection KP, so that no deflection, in particular of the upper edge of the transverse partition wall ZQ, can occur in the region of the slot opening. In the same way, the edges of a downwardly open slot SU of the longitudinal intermediate wall ZL in the crossing point KP by holding structures on the transverse partition wall ZQ at the crossing point against a possible deformation of the longitudinal intermediate wall ZL displacement in particular the lower edge of the longitudinal edge UK Supported intermediate wall by holding structures on the transverse partition wall.
Erfindungsgemäß sind wie in
Die Abstützung ist insbesondere von Bedeutung bei den jeweiligen Schlitzöffnungen, da die Wandplatten hier den größten Biegemomenten bei von gegenüber liegenden Plattenseiten eventuell ungleich wirkenden Kräften auf die Wandplatten ausgesetzt sind. Die Schlitze sind daher vorteilhafterweise im Bereich ihrer Öffnungen um ein geringes Maß verengt gegenüber ihrem übrigen Verlauf. Bei den unteren Schlitzen SU sind im Bereich der Schlitzöffnung an der Unterkante UK der Längs-Zwischenwand Vorsprünge VU, bei den oberen Schlitzen SO in der Quer-Zwischenwand sind Vorsprünge VO ausgebildet, welche die Schlitzweite im Bereich der Schlitzöffnung geringfügig gegenüber dem übrigen Schlitzverlauf verengen. Eine solche besondere Gestaltung der Schlitze ist von besonderem Vorteil für die Querabstützung der besonders belasteten Plattenkanten im Bereich der Schlitzöffnungen einerseits und für ein einfaches Zusammenstecken sich überkreuzender Platten in den Kreuzungspunkten andererseits.The support is of particular importance in the respective slot openings, since the wall panels are here exposed to the greatest bending moments in opposing plate sides possibly unequal acting forces on the wall panels. The slots are therefore advantageously in the range their openings narrowed by a small amount compared to their remaining course. In the lower slots SU are in the region of the slot opening at the lower edge of the longitudinal partition wall wall projections VU, at the upper slots SO in the transverse partition projections VO are formed, which narrow the slot width in the region of the slot opening slightly compared to the rest of the slot. Such a special design of the slots is of particular advantage for the transverse support of the particularly loaded plate edges in the region of the slot openings on the one hand and for easy mating cross-plates in the crossing points on the other.
Von besonderem Vorteil ist ferner, dass in Verbindung mit der Befestigung von Maschinenflanschen FM an den in Längsrichtung y entgegen gesetzten Enden der Längs-Zwischenwandplatten ZL die Schlitze in den Längs-Zwischenwandplatten ZL nach unten offen sind. Durch die an den Maschinenflanschen FM an den Enden der Längs-Zwischenwandplatten nach unten gerichteten Haltekräfte und durch die von der rüttelbaren Unterlage während des Rüttelvorgangs auf die Unterkanten UK der Wandplatten ausgeübten, nach oben gerichteten Kräfte sind die Längs-Zwischenwandplatten Biegebeanspruchungen ausgesetzt, welche eine Aufwölbung der Längs-Zwischenwandplatten zwischen den Maschinenflanschen FM nach oben zu bewirken versuchen. Hierbei würden die unteren Schlitze verengt, was aber durch die Abstützung der Nutenränder der unteren Schlitze SU in den unteren Nuten NU der Quer-Zwischenwandplatte in y-Richtung weitgehend verhindert ist, so dass durch diese Wahl der Ausrichtung der Schlitzöffnungen in den Längs-Zwischenwandplatten nach unten die Biegesteifigkeit dieser Platten gegen die besonderen Biegebeanspruchungen in der Formmaschine während des Rüttelbetriebs erhöht ist. Die Quer-Zwischenwandplatten ZQ sind keinen nennenswerten Biegebeanspruchungen ausgesetzt, da auf die entgegen gesetzten Enden dieser Quer-Zwischenwandplatten keine besonderen, über die Eigensteifigkeit der Form hinausgehenden niederhaltenden Kräfte wirken.Of particular advantage is further that, in connection with the attachment of machine flanges FM at the opposite ends in the longitudinal direction y of the longitudinal intermediate wall plates ZL, the slots in the longitudinal partition plates ZL are downwardly open. By the upwardly directed forces on the machine flanges FM at the ends of the longitudinal diaphragm plates and by the upward forces exerted by the vibratory pad during the shaking action on the lower edges UK of the wall plates, the longitudinal diaphragm plates are subjected to bending stresses which are buckled try to bring the longitudinal partition plates between the machine flanges FM upwards. Here, the lower slots would be narrowed, but this is largely prevented by the support of the Nutenränder the lower slots SU in the lower grooves NU of the transverse partition plate in the y direction, so that by this choice of the orientation of the slot openings in the longitudinal partition plates after below the bending stiffness of these plates is increased against the particular bending stresses in the molding machine during the shaking operation. The transverse partition plates ZQ are not exposed to significant bending stresses, since on the opposite ends this transverse partition plates no special acting beyond the inherent rigidity of the mold depressing forces act.
Den besonderen und unterschiedlichen Biegebeanspruchungen der Längs- und der Quer-Zwischenwandplatten mit den Maschinenflanschen ausschließlich an den entgegen gesetzten Enden der Längs-Zwischenwandplatten wird auch dadurch vorteilhafterweise Rechnung getragen, dass die Schlitzlänge der unteren Schlitze SU in den Längs-Zwischenwandplatten geringer ist als die Länge der oberen Schlitze SO in den Quer-Zwischenwandplatten.The particular and different bending stresses of the longitudinal and the transverse partition plates with the machine flanges exclusively at the opposite ends of the longitudinal partition plates is also advantageously taken into account that the slot length of the lower slots SU in the longitudinal partition plates is less than the length the upper slots SO in the transverse partition plates.
In
In
Die Querabstützung der Ränder der Schlitze in den Zwischenwandplatten im Bereich der jeweiligen Schlitzöffnung ist aufgrund der Kraftverhältnisse besonders vorteilhaft, aber nicht zwingend. Es kann auch eine Querabstützung über die gesamte Länge der Schlitze oder erst von den jeweiligen Schlitzöffnungen in Richtung des Schlitzgrundes beabstandet vorgesehen sein.
An den Querseiten der Form sind weitere Verbindungswinkel VF vorgesehen, mittels welcher die Maschinenflanschleisten FM an den Längs-Zwischenwandplatten und Längs-Außenwandplatten befestigt sind. Die Winkelverbinder VF können vorteilhafterweise wiederum zugleich zur Verschraubung der Quer-Deckbleche DQ oder DL auf der Form dienen.On the transverse sides of the mold further connection angle VF are provided, by means of which the machine flange strips FM are attached to the longitudinal intermediate wall panels and longitudinal outer wall panels. The angle connectors VF can advantageously also serve at the same time for screwing the transverse cover plates DQ or DL on the mold.
Claims (24)
- Mould for the production of moulded concrete blocks, comprising a plurality of mould cavities (FN) which are arranged next to one another and form a block field, which cavities are separated from one another by means of partition walls which are continuous between the upper side and the lower side of the mould cavities, wherein the partition walls are formed from partition wall panels (ZL, ZQ) which pass through the entire block field in one piece and intersect one another at intersection points (KP), wherein two intersecting partition wall panels (ZL, ZQ) are plugged into one another by way of slots (SU, SO) oriented in opposite directions, wherein holding structures (NU) are formed at least on a first of the two partition wall panels (ZQ) intersecting at an intersection point, as an extension of the first slot (SO) formed in this first partition wall panel, which holding structures positively fix the edges of the second slot (SU), which is formed in the second of the two partition wall panels (ZL), in a direction (y) parallel to the wall surface of the first partition wall panel (ZQ) and transversely to the direction (z) of the first and second slot (SU, SO), characterized in that the holding structures are formed as depressions (NU) with respect to the surrounding wall surfaces of the partition wall panels (ZL, ZQ), the depressions are configured as grooves (NU) and the inner surfaces of the second slot (SU) have, in a portion spaced apart from the slot opening, a greater spacing from the bottom of the grooves (NU) than at the slot opening.
- Mould according to Claim 1, characterized in that the grooves (NU) are configured with side edges perpendicular to the surrounding wall surface.
- Mould according to Claim 1 or 2, characterized in that the groove width is constant and the second partition wall panel (ZL) lies with its entire wall thickness in the grooves (NU) at the edges of the second slot (SU).
- Mould according to Claim 1, characterized in that the second slot (SU) is narrowed at the slot opening with respect to the spaced-apart portion.
- Mould according to one of Claims 1 to 4, characterized in that second holding structures (NO) for transversely supporting the edges of the first slot (SO) are formed on the second partition wall panel (ZL).
- Mould according to one of Claims 1 to 5, characterized in that the first slot (SO) and/or the second slot (SU) have roundings (FR) towards the slot side walls at the slot bottom lying opposite the slot opening.
- Mould according to one of Claims 1 to 6, characterized in that the outer walls of the block field are configured as outer wall panels (AL, AQ) at least on two opposite sides.
- Mould according to Claim 7, characterized in that the partition wall panels (ZL, ZQ) protrude laterally beyond the block field by way of projections (UL, ZU) so as to intersect the outer wall panels (AL, AQ).
- Mould according to Claim 6 or 7, characterized in that the block field is configured to be substantially rectangular with edges in a longitudinal direction and a transverse direction and is delimited by two pairs of outer wall panels (AL, AQ) oriented at right angles to one another.
- Mould according to Claim 9, characterized in that the outer wall panels (AL, AQ) extend so as to intersect one another at corner points.
- Mould according to one of Claims 8 to 10, characterized in that the projections (UQ) of the partition wall panels (ZQ) are connected, in particular screwed, to the outer surfaces of the outer wall panels (AL) by means of first angle connectors (VW).
- Mould according to Claim 11, characterized in that the first angle connectors (VW) form only connections between projections (UQ) of partition wall panels (ZQ) extending in the transverse direction and outer wall panels (AL) extending in the longitudinal direction.
- Mould according to one of Claims 7 to 12, characterized in that the block field is surrounded at its surface by metal cover sheets (DQ, DL) and the metal cover sheets (DQ, DL) are connected, in particular screwed, to the partition wall panels (ZL) or the outer wall panels (AQ) via second angle connectors (VF).
- Mould according to Claim 13, characterized in that at least part of the second angle connectors (VF) simultaneously forms first angle connectors (VW).
- Mould according to one of Claims 7 to 14, characterized in that counter-holders for core holder strips (KL) of a mould core arrangement are arranged on the outer surfaces of at least two mutually opposite outer wall panels.
- Mould according to Claim 15, characterized in that the counter-holders are vertically braced by ends of core holder strips that protrude beyond the outer wall panels.
- Mould according to Claim 15 or 16, characterized in that the counter-holders are screwed onto the outer surfaces of the outer wall panels.
- Mould according to Claim 15 or 16, characterized in that the counter-holders are held on projections of the partition wall panels (ZQ).
- Mould according to Claim 18, characterized in that the core holder strips (KL) lie in recesses of the outer wall panels (AL) and a vertical connection of the outer wall panels (AL) to the partition wall panels which intersect them is combined with bracing of the ends of the core holder strips (KL).
- Mould according to one of Claims 1 to 19, characterized in that flange arrangements designed to clamp the mould into a moulding machine are in each case provided on two mutually opposite transverse sides.
- Mould according to Claim 20, characterized in that the slots (SU) are open to the bottom in the partition wall panels (ZL) which extend in the longitudinal direction between the transverse sides.
- Mould according to Claim 21, characterized in that the height of the slots (SU) which are open to the bottom is at most 45%, in particular at most 40%, of the height of the partition wall panels (ZL).
- Mould according to one of Claims 7 to 22, characterized in that additional panels (WZ) are arranged on at least two mutually opposite sides so as to be offset outwardly spaced apart from the outer wall panels (AQ), which additional panels form empty fields with respect to the outer wall panels (AQ).
- Mould according to Claim 23, characterized in that the additional panels (WZ) are welded to partition wall panels (ZL) and/or outer wall panels (AL) which intersect them.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201130793A SI2643133T1 (en) | 2010-11-23 | 2011-11-09 | Mold for producing molded concrete blocks |
PL11817270T PL2643133T3 (en) | 2010-11-23 | 2011-11-09 | Mold for producing molded concrete blocks |
HRP20160412TT HRP20160412T1 (en) | 2010-11-23 | 2016-04-18 | Mold for producing molded concrete blocks |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010060742A DE102010060742A1 (en) | 2010-11-23 | 2010-11-23 | Mold for the production of concrete blocks |
PCT/EP2011/069774 WO2012069315A2 (en) | 2010-11-23 | 2011-11-09 | Mold for producing molded concrete blocks |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2643133A2 EP2643133A2 (en) | 2013-10-02 |
EP2643133B1 true EP2643133B1 (en) | 2016-02-03 |
Family
ID=45571486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11817270.9A Active EP2643133B1 (en) | 2010-11-23 | 2011-11-09 | Mold for producing molded concrete blocks |
Country Status (11)
Country | Link |
---|---|
US (1) | US9370873B2 (en) |
EP (1) | EP2643133B1 (en) |
CA (1) | CA2819339C (en) |
DE (1) | DE102010060742A1 (en) |
DK (1) | DK2643133T3 (en) |
HR (1) | HRP20160412T1 (en) |
HU (1) | HUE028861T2 (en) |
PL (1) | PL2643133T3 (en) |
RU (1) | RU2578069C2 (en) |
SI (1) | SI2643133T1 (en) |
WO (1) | WO2012069315A2 (en) |
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CN103302732B (en) * | 2013-05-30 | 2015-12-02 | 金立虎 | A kind of post-foaming contoured foam concrete sandwich composite heat insulation block special tooling |
CN105269663A (en) * | 2014-11-06 | 2016-01-27 | 天津市文强科技咨询有限公司 | Shaking press clamping groove type combined mould |
CN107097326B (en) * | 2017-06-12 | 2019-07-23 | 福建省万维新能源电力有限公司 | A kind of markstone manufacture craft |
CN107856170B (en) * | 2017-12-19 | 2024-04-19 | 太仓富莱克斯模具科技有限公司 | Hollow block mould |
DE102018101164A1 (en) * | 2018-01-19 | 2019-07-25 | Rampf Formen Gmbh | Mold insert for a mold frame and mold for the mechanical production of concrete mold blocks |
CN109208812B (en) * | 2018-09-20 | 2024-03-29 | 新疆展熠科技有限公司 | Method for constructing process wall by imitating lost wax casting mould |
DE102019122309B4 (en) * | 2019-08-20 | 2021-06-17 | formwerk GmbH | Process for the production of a mold insert for the production of moldings as well as mold insert and its use |
CN110722660B (en) * | 2019-10-16 | 2021-04-02 | 广东辉泰建筑工程有限公司 | Effectual environmental protection building templates gives sound insulation |
CN110682421A (en) * | 2019-11-22 | 2020-01-14 | 太仓富莱克斯模具科技有限公司 | Brick making die structure with flexibly replaced hanging rod and core |
CN113547617A (en) * | 2021-07-26 | 2021-10-26 | 安徽中轩建设工程有限公司 | Adjustable pouring mold for autoclaved aerated concrete block |
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-
2011
- 2011-11-09 RU RU2013128475/03A patent/RU2578069C2/en active
- 2011-11-09 SI SI201130793A patent/SI2643133T1/en unknown
- 2011-11-09 DK DK11817270.9T patent/DK2643133T3/en active
- 2011-11-09 PL PL11817270T patent/PL2643133T3/en unknown
- 2011-11-09 HU HUE11817270A patent/HUE028861T2/en unknown
- 2011-11-09 WO PCT/EP2011/069774 patent/WO2012069315A2/en active Application Filing
- 2011-11-09 EP EP11817270.9A patent/EP2643133B1/en active Active
- 2011-11-09 US US13/884,068 patent/US9370873B2/en active Active
- 2011-11-09 CA CA2819339A patent/CA2819339C/en active Active
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2016
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Also Published As
Publication number | Publication date |
---|---|
EP2643133A2 (en) | 2013-10-02 |
US9370873B2 (en) | 2016-06-21 |
CA2819339C (en) | 2016-01-26 |
WO2012069315A3 (en) | 2012-07-26 |
WO2012069315A2 (en) | 2012-05-31 |
RU2578069C2 (en) | 2016-03-20 |
RU2013128475A (en) | 2014-12-27 |
SI2643133T1 (en) | 2016-10-28 |
DE102010060742A1 (en) | 2012-05-24 |
PL2643133T3 (en) | 2016-07-29 |
CA2819339A1 (en) | 2012-05-31 |
HUE028861T2 (en) | 2017-01-30 |
HRP20160412T1 (en) | 2016-05-20 |
DK2643133T3 (en) | 2016-04-25 |
US20130234003A1 (en) | 2013-09-12 |
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