EP2022613B1 - Stossvorrichtung in einer Porenbetonschneidanlage - Google Patents

Stossvorrichtung in einer Porenbetonschneidanlage Download PDF

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Publication number
EP2022613B1
EP2022613B1 EP08104476A EP08104476A EP2022613B1 EP 2022613 B1 EP2022613 B1 EP 2022613B1 EP 08104476 A EP08104476 A EP 08104476A EP 08104476 A EP08104476 A EP 08104476A EP 2022613 B1 EP2022613 B1 EP 2022613B1
Authority
EP
European Patent Office
Prior art keywords
impact apparatus
cutting
lamellae
impact
elements
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.)
Active
Application number
EP08104476A
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German (de)
English (en)
French (fr)
Other versions
EP2022613A3 (de
EP2022613A2 (de
Inventor
Willem Johannes Schreuders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xella Baustoffe GmbH
Original Assignee
Xella Baustoffe GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xella Baustoffe GmbH filed Critical Xella Baustoffe GmbH
Priority to PL08104476T priority Critical patent/PL2022613T3/pl
Publication of EP2022613A2 publication Critical patent/EP2022613A2/de
Publication of EP2022613A3 publication Critical patent/EP2022613A3/de
Application granted granted Critical
Publication of EP2022613B1 publication Critical patent/EP2022613B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
    • B28B1/503—Moulds therefor
    • B28B1/506—Moulds therefor with means for, or adapted for, cutting the moulded article into pieces
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
    • B28B11/145—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for dividing block-shaped bodies of expanded materials, e.g. cellular concrete

Definitions

  • the invention relates to a pusher device which is used as a frontal, mostly planar abutment for a still plastic porous concrete block, which is cut with a slitter in an aerated concrete cutting machine in its longitudinal direction with cutting wires in cuboid AAC.
  • slitting devices For longitudinal cutting of aerated concrete blocks slitting devices are used in an autoclaved concrete cutting system having an upright cutting frame, between the horizontal crossbars at a certain lateral distance upright extending cutting wires are stretched like a gate.
  • horizontally extending cutting wires can be arranged between the side rails of the cutting frame at a certain vertical distance.
  • At least one horizontally arranged cutting wire and / or at least one horizontally arranged contour cutting element for.
  • a contour cutting blade provided on the cutting frame, which separate a superficial, production-related uneven upper surface layer of a porous concrete block just before slitting or during the slitting process, so that a flat or contoured surface is formed.
  • the aerated concrete block rests lying on a cutting bed and the cutting frame is moved in the longitudinal direction of the aerated concrete block, wherein the cutting wires penetrate the aerated concrete block.
  • the cutting frame is in a longitudinal cutting station of the cutting system arranged stationary and the aerated concrete block is pushed together with cutting bed through the cutting frame.
  • pushers or counter-holding devices are used, which are attached to the end face of the porous concrete block and serve as an abutment against the cutting pressure.
  • the aerated concrete block pushed on a grid of movable longitudinal bars and usually front and rear pushed on impact devices through the cutting frame, usually at both ends a shock device is provided. By moving them together, the gaps formed by the vertical section are closed before the longitudinal section begins.
  • the impact device frontally with vertically aligned z. B. plate-shaped, arranged at a lateral distance lamellar elements, between which z. B. are formed due to the distance slots in which the cutting wires are located before cutting or in which the cutting wires can enter after leaving the aerated concrete body.
  • horizontal cutting wires and horizontal slots z. B. may be provided in the slats.
  • Autoclaved aerated blocks are often manufactured in a aerated concrete plant with different casting height. Optimal cuts but are usually only achieved when the cutting frame size, in particular the cutting frame height or the length and / or thickness of the cutting wires of the cutting system optimally z. B. on the aerated concrete block cross section and the aerated concrete material composition is turned off. The same applies to the dimensions of the pushers. For this reason, cutting systems are sometimes used in which the cutting frame is interchangeable. There is a problem with the impact device, which is not replaceable installed and may be oversized if smaller blocks of aerated concrete are to be cut. An oversized butt device would but abut the cutting frame, which is why although smaller bumpers can be used, but never larger.
  • the object of the invention is to provide a pusher device which can cooperate with different sized cutting frame and / or arranged in a cutting frame at different heights horizontally extending cutting wires and / or contour cutting elements together.
  • the invention operates with a pusher device having at least two vertically stacked disk packs or lamella blocks each having its own lamellar elements, of which at least the upper disk pack relative to the lower disk pack horizontally back and again before or in the cutting direction and against the cutting direction of the cutting device of a cutting system slidably disposed in the jar.
  • the pusher device may be arranged to be displaceable or displaceable in an autoclaved concrete cutting system, either stationary or in the cutting direction and counter to the cutting direction.
  • the disk packs are spaced apart at a vertical distance so as to form a horizontal gap into which a horizontal cutting wire of a cutting frame can engage.
  • Lamella elements according to the invention are in particular slats in the form of z. B. rectangular and elongated plates, for. B. metal, the upright standing laterally spaced from each other with their side surfaces parallel to each other, rearwardly mounted on support elements of the pusher are arranged so that a comb-like arrangement of the lamellar elements is formed.
  • the thickness of the plates or lamellar elements may be the same or different and z. B. between 0.5 and 10 cm.
  • the height of the web plates is z. B. between 4 and 20 cm and the length is z. B. 40 to 60 cm.
  • the lateral distance between the web plates is z. B. 0.5 to 5 cm.
  • the horizontal gap of the vertical distance between two disk packs has z. B. a wide of 2 to 4 cm.
  • autoclaved concrete cutting 1 has a cross-cutting device 2, a fixed longitudinal cutting device 3 and a horizontally movable, butting jerking device 4 and a horizontally movable and upwardly pivotable, opposing pusher 5 and a cutting bed 6.
  • aerated concrete cutting 1 a cuboid porous concrete block (not shown) placed on the cutting bed 6 of the cross cutting device 2 and cross cut.
  • the butt jointing device can be moved from one side of the cutting unit 1 in the direction of longitudinal cutting frame 3 against the one end face of the cross-cut aerated concrete block and the opposing pusher 5 from the other side of the cutting unit 1 also in the direction of cutting frame 3 against the other end face of the cross-cut porous concrete block wherein the resulting by the cross cutting air concrete body are pushed together so that the kerfs are closed.
  • the pushers 4, 5 can transport the aerated concrete block through the slitter 3 in which the aerated concrete block is cut in its longitudinal direction.
  • the in the Fig. 2 to 6 as an example illustrated inventive impact device 4, 5 has frontally or to the cutting frame pointing one above the other several horizontal plate packs 10, 11, 12, 13, 14, 15, the front side in their initial position vertically aligned with each other.
  • the upper three disc packs 10, 11, 12 are arranged in the double arrow 7 back and again in front of slidably and are each connected to a corresponding drive means in connection.
  • the disk packs 13, 14, 15, however, are fixed or immovable in the pusher 4, 5 are arranged.
  • the lamellae packages 10 to 15 consist, as is known, of lamellar elements 8 in the form of upright side by side spaced lamella plates, between which vertical gaps or slots 9 are provided. Between the disk packs 10 to 15 horizontal gaps 16 are left free.
  • the number of disk packs is not critical. It is essential that at least the uppermost plate pack 10 is slidably disposed and that at least one further plate pack fixed or also displaceable is present underneath.
  • Each supporting frame 17 usually has a front transverse strut 18, a rear transverse strut 19 and two lateral longitudinal struts 20, 21 and a central reinforcing longitudinal strut 22 (FIG. Fig. 4 ).
  • the longitudinal side struts 20, 21 have outside sliding or rolling guide elements 23, which is a horizontal sliding or rolling in correspondingly adapted guide elements 24 in or on vertically arranged side walls 25, 26 in the double arrow direction 7 ( Fig. 4 . 5 ).
  • the displaceable plate packs 10 to 12 between the side walls 25, 26 are movably mounted and supported.
  • the non-displaceable plate packs 13 to 15 store z. B. on frame racks 27 and between the side walls 25, 26 in a fixed arrangement.
  • the side walls 25, 26 are each secured to a horizontal support beam element 28, 29 of a frame construction of the impact device in the lower region, wherein the support beam elements 28, 29 at a short distance via supports 44 on parallel below arranged moving beam elements 30, 31 store.
  • the mobile beam elements 30, 31 have rail wheels 32 which run on fundamentally supported rails 33 running in parallel to the beam elements 28, 29, 30, 31. On the rails 33, the pusher 4, 5 can be moved.
  • a drive device 34 is provided on both sides of the beam elements 28, 29, 30, 31, which can drive the pusher device 4, 5 via a pinion 35 and a rack 36 fixedly arranged on the rails 33 or in the rail region.
  • the support beams 28, 29 are connected to a transverse strut 40, on which vertical support columns 37, 38 are arranged, between which a cross member 39 is seated in the upper end region.
  • a vertical support column 41 is arranged in the longitudinal center region.
  • Fig. 7a to 7c illustrate the principle of operation of a shock device according to the invention 4.
  • Schematically represented is a longitudinal cutting frame 45 with longitudinal cutting wires 46, a cutting device 47 with horizontal cutting wires 48, a contour cutting device 49 with a Conturenschneidmesser 50, to be cut aerated concrete block 51, 51b, 51c and the movable plate packs 10 to 12 and the fixed plate packs 13 to 15.
  • Fig. 7a If the uppermost layer 51a of the porous concrete block 51 is to be removed.
  • the porous concrete block 51 and the pusher 4 are moved against the cutting devices 45, 47, 49 and the contour cutting blade 50 in the direction of arrow 52, wherein the contour cutting blade 50 can penetrate after ablation of the top layer 51a in the pusher 4 without the pusher bothers 4
  • the contour cutting knife 50 has z. B. a horizontally lying flat blade 50a and vertical, on the side distance juxtaposed holding webs 50b; these elements can dip into a horizontal gap 16 and vertical slots 9.
  • Fig. 7b a slightly smaller aerated concrete block 51b is to be cut.
  • the cutting frame 45 has the same dimensions as in the case of Fig. 7a ,
  • the cutters 47 and 49 are set lower.
  • the disk pack 10 is retracted so that the contour cutting knife 50 can freely penetrate into the pusher 4.
  • the minimum aerated concrete block height is z. B. 40 cm.
  • a smaller cutting frame 45a is used because an even smaller block of aerated concrete 51c to be cut. For this reason, the disk packs 10 and 11 are retracted.
  • the contour cutting device with the contour cutting knife 50 and the cutting device 47 with the horizontal cutting wires 48 are set even lower, so that in particular the contour knife 50 and an upper horizontal cutting wire 48 can penetrate into the pusher 4.
  • the impact device according to the invention with a cutting frame whose height is variable, so that - as mentioned - the cutting frame is adjustable to different cross-sectional dimensions of aerated concrete blocks.
  • the cutting wires are replaced by cutting wires according to different length and possibly other thickness, which is not a problem, because the cutting wires are usually mounted replaceable anyway in the cutting frame.
  • a variable in height cutting frame is z. B. from the DD 267 460 A1 .
  • FIGS. 3 and 5 known.
  • the known cutting frame consists of a U-shaped upper frame and a U-shaped subframe, the voltage of the cutting wires by means of hydraulic cylinders a few millimeters, z. B. to 10 mm, can be pressed apart, with screw fix after tightening the clamping state.
  • the present invention which is applicable not only in combination with the impact device according to the invention, provides a cutting frame, which not only has a tensioning device for the wires, but also an adjustment for different lengths of cutting wire sets, so that the cutting frame dependent can be fitted with cutting wires of different lengths of the porous concrete block cross-section, with a respective assembly of course has the same length wires.
  • the invention is particularly useful for cutting frames in which according to DD 267 460 A1 the cutting wires can be moved up and down relative to the cutting frame and expediently also relative to each other by eg camshaft drives with a relatively high frequency.
  • the fixed longitudinal cutting device 3 includes a longitudinal cutting frame 45, which has a rectangular vertical support frame 55 which is mounted on a fundamentally fixed frame 56 with scaffold brackets 57.
  • the storage can be unilateral, as shown, but it can also be provided on both sides.
  • the support frame 55 has an upper horizontal cross member 58 and a lower horizontal cross member 59 and a first vertical side strut 60 and a second vertical side strut 61.
  • a guide element or guide box 62, 63 between which a lower cutting frame crossbar 64 is fixed or immovable to the guide elements and / or struts.
  • a transmission means is provided at least in a guide element.
  • an upper cutting frame cross bar 65 is arranged, which is movable with sliding guide elements 66 in the direction of arrow 67 on the side struts 60, 61 movable up and down.
  • each piston-cylinder arrangement is of double-piston design in that a piston 69 is guided into an upper region of the cylinder 71 of the piston cylinder assembly and a piston 70 in the lower region, a cylinder bottom 72 being provided between the two pistons and the upper piston 69 being provided on the upper cutting frame transverse member 65 and the lower piston 70 acts on the lower cutter frame transverse spar 64.
  • the upper cylinder space receiving the upper piston 69 is shorter than the lower cylinder space accommodating the lower piston.
  • the length of the cylinder chambers can also be reversed, d. that is, the lower one may be shorter than the upper cylinder space.
  • the upper piston 69 is movable in the double arrow direction 73 and the lower piston 70 in the double arrow direction 74, wherein the two pistons can be operated independently of each other movable.
  • the stroke of the upper piston is suitably between 200 and 600 mm and the stroke of the lower piston 70 expediently between 5 and 20 mm.
  • a motor 76 which drives via gear means an upper, disposed in the cross member 65 drive means, for.
  • a lower in the cross member 64 arranged drive means, for. B. also drives a horizontally mounted camshaft.
  • the toothed rod 77 is so in communication with the transmission means that it can slide up and down by the transmission means.
  • the cutting wires 75 sit in a conventional manner interchangeable in the wire end holders or the wire end holder sit interchangeable in the cross bars 64, 65, so that the cutting wires can be replaced. Accordingly, they can be completely exchanged for shorter or longer cutting wires. This is made possible by the variability of the distance between the upper and the lower cross member 64, 65.
  • the cross members 64, 65 are moved with the piston cylinder assemblies 68 in positions in which the new wire lengths between the cross beams This is done with the operation of the lower piston 70.
  • a tensioning of the wires by the operation of the piston 69 in a conventional manner, because for clamping only a small stroke is required.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Disintegrating Or Milling (AREA)
  • Road Repair (AREA)
EP08104476A 2007-07-25 2008-06-19 Stossvorrichtung in einer Porenbetonschneidanlage Active EP2022613B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08104476T PL2022613T3 (pl) 2007-07-25 2008-06-19 Dociskacz w krajarce do betonu komórkowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007034779A DE102007034779A1 (de) 2007-07-25 2007-07-25 Stoßvorrichtung in einer Porenbetonschneidanlage

Publications (3)

Publication Number Publication Date
EP2022613A2 EP2022613A2 (de) 2009-02-11
EP2022613A3 EP2022613A3 (de) 2009-03-25
EP2022613B1 true EP2022613B1 (de) 2010-05-26

Family

ID=40091887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104476A Active EP2022613B1 (de) 2007-07-25 2008-06-19 Stossvorrichtung in einer Porenbetonschneidanlage

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Country Link
EP (1) EP2022613B1 (pl)
AT (1) ATE468954T1 (pl)
DE (2) DE102007034779A1 (pl)
PL (1) PL2022613T3 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019532B9 (de) 2014-12-23 2016-05-04 Xella Baustoffe Gmbh Schneidverfahren und Schneidanlage zum Quer- und Längsschneiden von schneidfesten Leichtbetonkuchen, insbesondere Poren- oder Schaumbetonkuchen, sowie Verfahren und Vorrichtung zur Herstellung von Leichtbetonformkörpern, insbesondere Poren- oder Schaumbetonformkörpern
CN108943367A (zh) * 2018-07-06 2018-12-07 益文杰 一种砌块纵切机钢丝清理装置
CN114571587B (zh) * 2022-03-17 2023-11-17 沭阳苏星包装材料有限公司 一种发泡水泥板切割装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE510416A (pl) 1951-04-05
SE369160B (pl) * 1972-12-21 1974-08-12 Siporex Int Ab
NL8700271A (nl) 1987-02-04 1988-09-01 Durox Gasbeton Bv Werkwijze en inrichting voor het snijden van gasbeton.

Also Published As

Publication number Publication date
PL2022613T3 (pl) 2010-10-29
DE102007034779A1 (de) 2009-01-29
EP2022613A3 (de) 2009-03-25
DE502008000707D1 (de) 2010-07-08
EP2022613A2 (de) 2009-02-11
ATE468954T1 (de) 2010-06-15

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