EP1080805B1 - Positionierungsförderer zum horizontalen Ausrichten von Platten - Google Patents
Positionierungsförderer zum horizontalen Ausrichten von Platten Download PDFInfo
- Publication number
- EP1080805B1 EP1080805B1 EP00112444A EP00112444A EP1080805B1 EP 1080805 B1 EP1080805 B1 EP 1080805B1 EP 00112444 A EP00112444 A EP 00112444A EP 00112444 A EP00112444 A EP 00112444A EP 1080805 B1 EP1080805 B1 EP 1080805B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plates
- stop
- measuring device
- positioning conveyor
- displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Definitions
- the invention relates to a positioning conveyor for horizontal alignment of plates, sheets and the like, with one provided with drive means Conveyor table and at least one stop on an edge of the conveyor table and a strength measuring device provided on the stop for Measurement of the plate thickness of the striking plates, sheets or the like.
- a conveyor of this type is from DE 92 10 560 U1.
- a positioning conveyor When processing plate materials of all kinds, especially sheet metal or blanks, in a processing station, in particular forming machines, it is necessary to precisely level the individual workpieces before machining Position direction.
- the subject of the invention referred to as a "positioning conveyor” because it at least functions as a Has conveying and positioning of the conveyed plates.
- Positioning conveyor Be in practice mostly plates are removed from a stack, to the one mentioned here Positioning conveyor transferred, on this against a stop driven and exactly positioned laterally and then, for example with a Suction cup lift conveyor inserted in the processing station in the correct position.
- the positioning conveyor puts the last station before the processing facility So here is the last opportunity to check whether the separation the records really took place.
- the invention is therefore based on the object of a positioning conveyor of the above type to create a control of the aligned plates in terms of effective separation of the plates. This object is achieved with a positioning conveyor of the above Kind of solved by the features of claim 1.
- the target plate thickness of a plate can be entered by a strength measurement, even with limited measurement accuracy, determine whether just one plate or two or even more Plates have arrived in the aligned position. With a corresponding one Signal of the measuring device, the system can then be stopped when more than one plate is measured.
- a stop supporting the striking plates is on the stop Anvil surface provided, and at least one lowerable
- the finger is attached to the stop in a position above the anvil surface.
- the striking plates can therefore be between the anvil surface and the finger can be clamped with a suitable force. Thereby measurement errors are avoided, which are due to a curvature of the measured plates.
- the touch finger is pivotally attached to the stop. This is not only a solution that is easy to implement in terms of design, but also offers that Another advantage that the probe finger is pivoted out of the area above the plate and the plate with a lifting conveyor or robot arm can be removed upwards.
- the pivotal movement can either directly or after conversion into a linear movement by a displacement measuring device be detected, which generates a path signal.
- the measuring device is preferably designed so that the difference between a measurement signal at the finger is completely lowered onto the anvil surface and when it is lowered output on the surface of a striking plate as a plate strength signal becomes.
- the pivoting of the touch finger can be done, for example, via a rack and pinion gear converted into a linear movement of the armature of a differential transformer become.
- two are on a common axis mounted, swiveling probe fingers laterally offset on the stop. so that sloping panels, the leading edge of which is not transverse and runs perpendicular to the direction of conveyance can be detected.
- a stop 10 includes a housing 12, the viewer facing vertical wall surface serves as a stop surface 14 for the plates.
- This stop surface 14 is slightly curved in the horizontal direction, so that sloping panels can be effectively supported.
- Below the stop surface 14 projects a plate-shaped extension 16, the horizontal surface in the present context as anvil surface 18 should be designated.
- the plates, not shown, run when they hit on the stop surface 14 on this anvil surface 18.
- the anvil surface falls diagonally at the front edge facing the viewer, so that the arriving Smooth the plates onto the anvil surface 18.
- the housing 12 is adjacent to the attachment 16 or the anvil surface 18 at both corners with vertical recesses with a rectangular cross section 20 provided. 1 are pivotable in these recesses Tactile fingers 22, 24, which pass through the housing 12 on both ends Shaft 26 are attached.
- the Touch finger starting from the not designated, receiving the shaft 26 Holes each have a slot 28 by a clamping screw 30 will go through. In this way, the two touch fingers 22, 24 can be opened the shaft 26 are clamped.
- a gear is on the shaft 26 within the housing 12 32 attached.
- This gear 32 meshes with a round cross section, rack flattened on the underside, a tooth profile on the flat underside having.
- the rack 34 is in a sleeve 36 within the housing 12 guided longitudinally. A longitudinal displacement of the rack 34 leads to a rotation of the gear 32 and thus the shaft 26 and thus finally to a pivoting of the touch fingers 22, 24.
- FIG. 2 shows that the Sleeve 40 is sealed airtight to the rear right in FIG. 2 by a cover 48 and that in an inner recess 50 of the cover 48 is a channel 52 for the introduction of compressed air.
- touch fingers 22, 24 between the one shown in FIG. 1 Ready position and the measuring position shown in Fig. 2 moved back and forth can be. If one on the anvil surface 18 in front of the stop surface 14 run plate, touch fingers 22, 24 naturally lay down not against the anvil surface 18, but against the surface of this plate. This way the thickness of the plate can be measured by making a comparison Is brought about between the position of the finger when resting on the anvil surface 18 and the position of the touch fingers when lying on the plate. By introducing compressed air or another pressure medium into the space between the cover 48 and the piston 42 can on the Tracer fingers 22, 24 exert a considerable force, so that measuring errors can result, for example, from a curvature of the measured plate, can be turned off.
- a position measuring device is used to determine the respective position of the touch fingers 22, 24 54 provided in the drawing only as a closed housing is shown.
- the rack 34 is coaxially connected to a rod 56, which enters the path measuring device 54.
- This rod 56 is inside the Position measuring device 54 connected to an iron core, not shown, which in a coil arrangement of a so-called differential transformer in the longitudinal direction is movable.
- the coil arrangement usually has a primary coil and two secondary coils connected to each other on the two longitudinal ends of the coil assembly.
- Measuring devices of this type are known and do not need to be explained in detail. They allow very precisely Length measurements so that it is possible to measure the respective plate thickness suitable conversion about the rotational movement of the shaft 26 and the longitudinal movement to determine the rack 24 accurately.
- the measuring device used here with a differential transformer is of course only an example understand. Basically, any length measuring device can be used that offers sufficient accuracy.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Description
- Fig. 1
- ist eine teilweise aufgebrochene perspektivische Darstellung eines erfindungsgemäßen Anschlags in der Bereitsschaftsposition;
- Fig. 2
- entspricht Fig. 1, zeigt jedoch die Meßposition
Claims (6)
- Positionierungsförderer zum horizontalen Ausrichten von Platten, Blechen und dergleichen mit einem mit Antriebsmitteln versehenen Fördertisch und wenigstens einem Anschlag (10,14) an einem Rand des Fördertisches sowie eine an dem Anschlag vorgesehenen Stärkenmeßeinrichtung (22,24) zur Messung der Plattenstärke der anschlagenden Platten, Bleche oder dergleichen, dadurch gekennzeichnet, daß an dem Anschlag (10,14) eine die anschlagenden Platten abstützende Amboss-Fläche (18) vorgesehen ist und daß wenigstens ein schwenkbarer, oberhalb der Amboss-Fläche (18) angebrachter absenkbarer Tastfinger (22.24) vorgesehen ist, der mit einer Wegmeßeinrichtung (54) verbunden ist.
- Positionierungsförderer nach Anspruch 2, dadurch gekennzeichnet, daß die Wegmeßeinrichtung (54) so ausgebildet ist, daß die Differenz zwischen einem Meßsignal bei vollständiger Absenkung des Tastfingers (22,24) auf die Amboss-Fläche (18) und bei Absenkung auf die Oberfläche einer anschlagenden Platte als Plattenstärkesignal ausgegeben wird.
- Positionierungsförderer nach Anspruch 2, dadurch gekennzeichnet, daß die Achse des Tastfingers (22, 24) mit einer Winkelmeßeinrichtung (54) verbunden ist.
- Positionierungsförderer nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zwei Tastfinger (22,24) quer zur Förderrichtung der Platten versetzt an dem Anschlag (10,14) angebracht sind.
- Positionierungsförderer nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Wegmeßeinrichtung (54) einen Differentialtransformator umfaßt.
- Positionierungsförderer nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Tastfinger (22,24) auf einer gemeinsamen, durch das Gehäuse des Anschlags (10,14) hindurchlaufenden Welle (26) befestigt sind, daß auf der Welle ein Zahnrad (32) befestigt ist, daß das Zahnrad mit einer Zahnstange gekämmt und daß die Zahnstange mit der Wegmeßeinrichtung (54) gekoppelt ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19941037 | 1999-08-28 | ||
| DE19941037A DE19941037C1 (de) | 1999-08-28 | 1999-08-28 | Positionierungsförderer zum horizontalen Ausrichten von Platten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1080805A1 EP1080805A1 (de) | 2001-03-07 |
| EP1080805B1 true EP1080805B1 (de) | 2004-11-10 |
Family
ID=7920035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00112444A Expired - Lifetime EP1080805B1 (de) | 1999-08-28 | 2000-06-10 | Positionierungsförderer zum horizontalen Ausrichten von Platten |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6430837B1 (de) |
| EP (1) | EP1080805B1 (de) |
| DE (2) | DE19941037C1 (de) |
| ES (1) | ES2231080T3 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000077435A (ja) * | 1998-08-31 | 2000-03-14 | Hitachi Ltd | 半導体装置及びその製造方法 |
| CN117344606B (zh) * | 2023-12-04 | 2024-02-13 | 山西晋北高速公路养护有限公司 | 一种公路路面摊铺厚度测量设备 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE125332C (de) | ||||
| US2720707A (en) * | 1955-10-18 | Meat baking time utensil | ||
| US2370187A (en) * | 1943-07-22 | 1945-02-27 | American Can Co | Control mechanism |
| US3298605A (en) * | 1965-06-24 | 1967-01-17 | Field Entpr Inc | Newspaper accounting mechanism |
| US4436007A (en) * | 1981-03-30 | 1984-03-13 | The Boeing Company | Automated feed for a punch press and method of using same |
| US4941269A (en) * | 1989-08-03 | 1990-07-17 | Daido Metal Company, Ltd. | Thickness measuring apparatus |
| US5129152A (en) * | 1990-12-20 | 1992-07-14 | Hughes Aircraft Company | Fast contact measuring machine |
| DE9210560U1 (de) * | 1992-08-07 | 1992-10-01 | Automatisierungs- und Kunststofftechnik GmbH Chemnitz, 09120 Chemnitz | Gerät zur Doppelblechkontrolle für Zuführeinrichtungen an Pressen |
| DE19528811A1 (de) * | 1995-08-05 | 1997-02-06 | Mueller Weingarten Maschf | Vorrichtung zur Kontrolle von Werkstücken |
| US5806398A (en) * | 1996-05-23 | 1998-09-15 | Emerson; Bradley Robert | Method and apparatus for determing the number of sheets in a stack |
-
1999
- 1999-08-28 DE DE19941037A patent/DE19941037C1/de not_active Expired - Fee Related
-
2000
- 2000-06-10 EP EP00112444A patent/EP1080805B1/de not_active Expired - Lifetime
- 2000-06-10 ES ES00112444T patent/ES2231080T3/es not_active Expired - Lifetime
- 2000-06-10 DE DE50008575T patent/DE50008575D1/de not_active Expired - Fee Related
- 2000-08-25 US US09/648,888 patent/US6430837B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2231080T3 (es) | 2005-05-16 |
| DE50008575D1 (de) | 2004-12-16 |
| DE19941037C1 (de) | 2001-01-04 |
| EP1080805A1 (de) | 2001-03-07 |
| US6430837B1 (en) | 2002-08-13 |
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