EP0873227A1 - Vorrichtung zur bearbeitung von oberflächen - Google Patents
Vorrichtung zur bearbeitung von oberflächenInfo
- Publication number
- EP0873227A1 EP0873227A1 EP96944073A EP96944073A EP0873227A1 EP 0873227 A1 EP0873227 A1 EP 0873227A1 EP 96944073 A EP96944073 A EP 96944073A EP 96944073 A EP96944073 A EP 96944073A EP 0873227 A1 EP0873227 A1 EP 0873227A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor belt
- stones
- chains
- conveyor
- stone
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
- B28D1/181—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools using cutters loosely mounted on a turning tool support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
Definitions
- the invention relates to a device with a tool for processing flat rock and concrete surfaces according to the preamble of claim 1.
- Such tools for processing the surfaces of materials, in particular stone and concrete goods are widely known.
- a rough distinction is made between whether the devices are intended to create a uniform, uniform surface structure or a patterned surface structure.
- a patterned surface it is usually the incorporation of grooves and grooves using impact tools, as are known from DE-PS 622110, DE-OS 1909193, US-PS 3575155 and US-PS 38585761.
- Striking tools for processing surfaces in order to produce a surface structure that is as constant as possible are known from US Pat. No. 3,380094 and DE-GM 9006049.
- This object is achieved in that two counter-driven shock waves provided with the impact chains are used, that the conveyor consists of three series-connected and at least at times different speeds running conveyor belts, and that the stones are packed tightly under the rotating, with the shock waves provided with the impact chains are displaceable.
- one embodiment of the invention provides that the three conveyor belts consist of a feed-side infeed conveyor belt, a middle machining conveyor belt and a removal conveyor belt, that the middle machining conveyor belt has a constant Transport speed is running so that the infeed conveyor belt can be switched between a speed corresponding to the transport speed of the processing conveyor belt and a higher rapid speed.
- the invention provides that a light barrier is attached to the processing conveyor belt which detects a gap in the stones supplied to the shock waves and to the Control of the feed conveyor belt gives a control pulse that switches the feed conveyor belt to rapid speed until the stones are transported close to each other again to the shock waves. The switch back from rapid speed to normal
- Transport speed happens in that the control pulse Counter starts, which counts the transport distance corresponding to a stone layer width that has been deposited and then switches the rapid speed of the feed conveyor belt back to the low normal transport speed and releases the new loading of the feed conveyor belt.
- Another measure of the invention provides that a further light barrier is provided in the upstream area of the take-off conveyor belt, which scans the stone layer running onto the take-up conveyor belt and emits a control pulse to a counter on the processing conveyor belt which, as soon as the number of stones corresponding to a stone layer width, is pushed onto the take-off conveyor belt is, the take-off conveyor belt switches to a rapid speed in order to transport the stone layer closed against a contact rail and to cause the stone layer to be removed from the conveyor belt.
- the invention further provides that guide rails are attached on both sides of the conveyor belts, which in the processing area under the shock waves Wear a height-adjustable guide rail.
- the upper edge of the guide bar can be adjusted to a height between 5 mm and 10 mm below the surface level of the stones.
- An advantageous embodiment also provides that the guide rails in the area of the feed conveyor belt are designed as push rails with which the stones can be displaced in stone layers lying close to one another laterally.
- the invention provides that the removal conveyor belt is provided at the end on the removal side with a transverse and height-adjustable stop rail, on which the stones each run in closely adjacent stone packages, and that the stop rail can be pushed away from the gripper when gripping a stone package.
- a chain conveyor runs under the conveyor belts according to the invention, which transports the empty stone pallets from the loading side to the delivery side, the chain conveyor always moving an empty pallet into the loading position when a loaded pallet has been removed.
- the invention provides that the shock waves consist of a cylindrical tube with a relatively large diameter, onto which rings are welded at a distance assigned to the chain link size, that along a central circular line with respect to the radial ring width A large number of bores for pushing through steel bars carrying the percussion chains is provided such that a split flange ring corresponding to the rings can be clamped onto the two ends of the tube and clamped onto the tube.
- Removing and hanging in the percussion chain is simplified in that the steel rods for hanging the percussion chains are divided and can be inserted from both sides through the holes in the rings and the respective flange ring, the inner ends being able to mesh with one another lying on a gap, and in that the percussion chains in a repeated distribution pattern are hung in the steel rods.
- tangling of the chains is avoided in that the percussion chains are each hung on the steel rods with a free ring spacing. This measure is supported in that the percussion chains are hung from the steel rod to the steel rod lying on a gap.
- Figure 1 is a schematic side view of a shock wave together with a right and left side end view.
- Figure 2 is a schematic view of a device for processing flat rock and concrete surfaces according to the invention.
- FIG. 3 shows a schematic development of two shock waves to generate a uniform beat pattern
- Fig. 4 is a schematic development of two shock waves to generate a structured beat pattern.
- a shock wave 10 is shown together with two front views shown on the right and left thereof.
- the shock wave consists of a cylindrical tube 12 with stub axles 13 attached to both sides. Rings 14, which are preferably welded onto the cylindrical tube, are attached to hold impact chains 11 over the axial length of the cylindrical tube 12.
- a split clamping ring 15 is also placed, which can be fixed on the cylindrical tube 12 with a clamping device, not shown.
- a plurality of bores 18 are provided over the rings 14 and 15 along a central circular line, through which steel rods 19 can be inserted. These steel rods 19 carry the percussion chains 11 (not shown in FIG. 1), only one percussion chain being arranged between two rings 14 during assembly.
- the steel rods 19 can run over the entire length of the shock wave and end in the fully inserted position within the split clamping rings 15 To hold the operating position and to prevent the steel rods from slipping out, after inserting the steel rods through the aligned bores 18, the outer clamping rings 15 are rotated by a hole width and fixed in this rotated position by tensioning on the cylindrical tube. This ensures easy assembly and a high level of security against the steel rods falling out during operation.
- a distribution pattern results, as is indicated schematically in FIG. 3.
- FIG. 3 In this representation is a settlement of the two running against each other Shock waves are shown, from which the distribution can be seen. This type of distribution results in a very even and uniform striking pattern over the entire surface of the stones.
- a striking pattern in which an uneven structure is to be provided on the surface of the stones, then e.g. a distribution as in FIG. 4 is used, in which a uniform structuring, but a streak structuring is achieved by a larger number of striking chains striking the stone surface in certain areas than in adjacent areas during processing. It is obvious that a wide variety of arrangement and distribution patterns for the percussion chains on the steel bars are possible, and accordingly the percussion chains also produce a corresponding number of structures that can be produced.
- the device comprises three conveyor belts connected in series, namely a feed conveyor belt 22, a processing conveyor belt 24 and a removal conveyor belt 26.
- the striking tool is arranged in the form of two striking shafts 10 with striking chains 11.
- the two shock waves rotate in opposite directions to one another and are located at a height-adjustable distance above the machining conveyor belt 24.
- the stones 32 supplied in the stack via pallets 30 are gripped in layers with the gripper 34 of a gripper robot 33 and placed on the feed conveyor belt 22.
- this feed conveyor belt runs at the transport speed of the processing conveyor belt 24 and, as will be explained in more detail below, is to be switched over to a rapid speed in order to push the stones close together onto the processing conveyor belt so that they pass tightly packed under the shock waves.
- a light barrier 36 is provided on the one hand, which detects gaps between the stones in the upstream area of the processing conveyor belt 24 and emits control pulses which switch the feed conveyor belt 22 to the rapid speed, so that the stones are shifted against each other and the gaps become conclude.
- the control pulse from the light barrier 36 starts a counter that counts the transport route corresponding to a stone layer width that has been deposited and only switches on the rapid speed for a period corresponding to this route.
- the feed conveyor belt 22 is then switched back to the low normal transport speed.
- the gripping robot 33 determines that there is enough space on the feed conveyor belt 22, a new stone layer is gripped with the gripper 34 and placed on the feed conveyor belt 22.
- a guide rail 38 is provided, which runs on both sides of the stone layer above the processing conveyor belt into the removal conveyor belt and is designed as a bumper rail 40 in the area of the feed conveyor belt. With the help of this bumper rail 40, the stones can be moved transversely to the direction of conveyance, so that they also run close to one another under the shock waves 10.
- a guide bar is also provided on the guide rails 38, which is adjustable in height and whose upper edge is set to a level which is slightly below the surface level of the z-processing stones.
- the shock waves are also adjustable in height.
- the shock waves should be set to such a height that e.g. only one or two chain links at the end come into contact with the stone surface or three or more and up to about 7 chain links touch the surface, so that the chain links pulled over the surface exert a grinding effect in addition to the impact effect.
- the stones When leaving the processing station, the stones still lie on the processing conveyor belt 24 in tightly closed stone layers and are moved from the processing conveyor belt 24 onto the removal conveyor belt 26.
- the removal conveyor belt runs at the same transport speed as the processing conveyor belt.
- a further light barrier 46 is provided on the removal conveyor belt 26, which responds as soon as the front edge of the stones taken into the light barrier. Following this, care must now be taken to ensure that the exact number of stones that are provided for a stone package and that can be gripped by the gripper 34 of a further gripping robot 33 collects during further transport to a stop rail.
- the removal conveyor 26 can be switched to a rapid traverse, the light barrier is used to determine when the number of stones required for a stone package has been displaced by the light barrier. Then the take-off conveyor belt is switched back to normal transport speed. This change in speed creates a new gap between the stone package pushed together on the stop rail 48 and the subsequent stones. In this process, an appropriate setting of the light barrier must ensure that the layer width of the stones is taken into account in order to obtain a full stone package.
- a further possibility for pushing the stones together to form a stone package that can be gripped by the gripper 34 is that as soon as the first stone is detected by the light barrier 46 after a gap, a counter 50 on the machining conveyor belt 24 is started and one corresponding to the stone size Counts the conveyor route and switches the removal conveyor 26 to the rapid speed for this time.
- the take-off conveyor belt is thus switched to the rapid speed for exactly the time required to move the stones belonging to a stone package up to the stop 48 and to create a new gap before the take-off conveyor belt 26 is switched back to normal speed.
- the counter it is easy to determine the transport distance required for a given stone width
- the gripping robot moves the gripper 24 from above over the stone package and at the same time pushes the contact rail 48 downward against spring tension in order to be able to grip the stone package from the side.
- the stone package is lifted off and placed adjacent to a pallet 30 for subsequent removal.
- the pallets which have become empty on the loading side are placed on one Chain conveyor 52 is pushed, which runs below the processing system and conveys the pallets in sequence to the output side.
- the chain conveyor is controlled in such a way that a new pallet is brought into the loading position from the chain conveyor whenever a fully loaded pallet is removed on the take-off side.
- the control is carried out with the help of the gripping robot which detects the unloading and the full loading of the pallet and controls the transport to and from it.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19548932A DE19548932A1 (de) | 1995-12-27 | 1995-12-27 | Vorrichtung zur Bearbeitung von Oberflächen |
| DE19548932 | 1995-12-27 | ||
| PCT/EP1996/005851 WO1997024210A1 (de) | 1995-12-27 | 1996-12-27 | Vorrichtung zur bearbeitung von oberflächen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0873227A1 true EP0873227A1 (de) | 1998-10-28 |
| EP0873227B1 EP0873227B1 (de) | 2001-09-12 |
Family
ID=7781539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96944073A Expired - Lifetime EP0873227B1 (de) | 1995-12-27 | 1996-12-27 | Vorrichtung zur bearbeitung von oberflächen |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0873227B1 (de) |
| AT (1) | ATE205436T1 (de) |
| DE (2) | DE19548932A1 (de) |
| WO (1) | WO1997024210A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6109906A (en) * | 1997-09-30 | 2000-08-29 | Groupe Permacon Inc. | Apparatus for treating concrete blocks |
| EP1339532A1 (de) * | 2000-12-08 | 2003-09-03 | Averkamp, Ingo | Maschine zum kantenbrechen noch nicht ausgehärteter betonsteine |
| CA2343338C (en) * | 2001-04-09 | 2006-10-03 | Charles Ciccarello | Apparatus for roughing surfaces of concrete casted blocks |
| US6575727B2 (en) * | 2001-04-26 | 2003-06-10 | Techo-Bloc, Inc. | Apparatus for roughing surfaces of concrete casted blocks |
| ITTO20010644A1 (it) * | 2001-07-04 | 2003-01-04 | Co Fi Plast Srl | Procedimento ed impianto per la divisione in lastre di blocchi di materiale lapideo mediante uno o piu' utensili di taglio. |
| DE10154367A1 (de) * | 2001-11-06 | 2003-05-15 | Fnb Pflasterbau Gmbh | Vorrichtung und Verfahren zum mechanischen Bearbeiten von Steinen, insbesondere von Pflastersteinen |
| DE10204374C1 (de) * | 2002-02-02 | 2003-04-24 | Hess Maschfab Gmbh & Co | Vorrichtung zum Bearbeiten von Steinen |
| US6685459B2 (en) * | 2002-02-06 | 2004-02-03 | Hess Maschinenfabrik Gmbh & Co. Kg | Apparatus for treating blocks |
| CA2456893C (en) | 2004-02-04 | 2009-09-15 | Techo-Bloc Inc. | Apparatus for roughing the surfaces of casted concrete block |
| CN104275744B (zh) * | 2013-07-12 | 2015-12-02 | 五莲县恒瑞车辆附件有限公司 | 大理石板自动爆皮机 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2925691A (en) * | 1957-12-27 | 1960-02-23 | Mclouth Steel Corp | Grinding machine |
| DE3009615A1 (de) * | 1980-03-13 | 1981-09-24 | Siegfried 7971 Aichstetten Gebhart | Vorrichtung zum fraesen von bausteinen |
| ATE25503T1 (de) * | 1982-07-06 | 1987-03-15 | Arx Ag | Fahrbares oberflaechenbearbeitungsgeraet. |
| DE3927601A1 (de) * | 1989-08-22 | 1991-03-14 | Sf Vollverbundstein | Verfahren und vorrichtung zur oberflaechengestaltung von steinprodukten, insbesondere von beton-pflastersteinen |
| US5085008A (en) * | 1990-02-15 | 1992-02-04 | Versicut, Ltd. | Apparatus and method for cutting and grinding masonry units |
| DE4142396C2 (de) * | 1991-12-20 | 1995-06-08 | Munderkingen Betonwerke | Vorrichtung zur Bearbeitung von Oberflächen |
-
1995
- 1995-12-27 DE DE19548932A patent/DE19548932A1/de not_active Withdrawn
-
1996
- 1996-12-27 DE DE59607695T patent/DE59607695D1/de not_active Expired - Lifetime
- 1996-12-27 AT AT96944073T patent/ATE205436T1/de not_active IP Right Cessation
- 1996-12-27 EP EP96944073A patent/EP0873227B1/de not_active Expired - Lifetime
- 1996-12-27 WO PCT/EP1996/005851 patent/WO1997024210A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9724210A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0873227B1 (de) | 2001-09-12 |
| WO1997024210A1 (de) | 1997-07-10 |
| DE59607695D1 (de) | 2001-10-18 |
| ATE205436T1 (de) | 2001-09-15 |
| DE19548932A1 (de) | 1997-07-03 |
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