EP0870708B1 - Halterung für Sensorelemente, insbesondere für optische Sensorelemente an Förderbahnen - Google Patents

Halterung für Sensorelemente, insbesondere für optische Sensorelemente an Förderbahnen Download PDF

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Publication number
EP0870708B1
EP0870708B1 EP98250091A EP98250091A EP0870708B1 EP 0870708 B1 EP0870708 B1 EP 0870708B1 EP 98250091 A EP98250091 A EP 98250091A EP 98250091 A EP98250091 A EP 98250091A EP 0870708 B1 EP0870708 B1 EP 0870708B1
Authority
EP
European Patent Office
Prior art keywords
holder
spherical
sensor elements
connecting element
connection
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
Application number
EP98250091A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0870708A3 (de
EP0870708A2 (de
Inventor
Edgar Ing. Bonifer (Grad.)
Hans-Jürgen El-Techniker Hartmann
Thomas Techn. Zeichner Geiger
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.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0870708A2 publication Critical patent/EP0870708A2/de
Publication of EP0870708A3 publication Critical patent/EP0870708A3/de
Application granted granted Critical
Publication of EP0870708B1 publication Critical patent/EP0870708B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/60—Coupling, adapter or locking means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/80—Arangement of the sensing means

Definitions

  • the invention relates to a holder for sensor elements, in particular for optical ones Sensor elements on conveyor tracks according to the preamble of claim 1.
  • the Reflex light barrier is arranged on the input side of a conveyor with transport rollers, from which the sheet film is conveyed to a film processor.
  • the leaf films are fed to the conveyor with the transport rollers via a suction gripper that to release the sheet film is ventilated with a time delay when the sheet film with its Front edge breaks through the light beam of the reflex light barrier.
  • the advantage is the oblique alignment of the light beam to the surface of the sheet film described, as this may reflect light rays from the sheet film surface cannot reach the receiver of the reflex light barrier.
  • the Retro-reflective sensors essentially consist of a transmitter and receiver unit and a reflector.
  • the transmitter and receiver unit is attached to a bracket attached to a housing of the conveyor with the transport rollers.
  • This bracket is constructed from an angle element and a straight connecting element.
  • the Angle element is at one end with two screws to the housing and at the the other end connected to the connecting element via a further screw.
  • the screw between the angle and the connecting element is used for Aligning the light beam from the transmitter unit with the reflector.
  • the reflector is as Part of another bracket formed, one end of which is polished for this purpose.
  • the bracket designed as a sheet metal part has a U-shaped opening in its center and at its end facing away from the reflector a fork-shaped design. This bracket is attached with its fork-shaped end to an axis pushed and pivoted towards a shaft of the transport rollers, where the U-shaped Opening the bracket clamped around the shaft.
  • the straight connecting part of the transmitting and Receiver unit is connected to the angle element only by means of a screw and is therefore only adjustable in one plane with respect to the reflector. Another Adjustment can only be achieved by bending the angle element.
  • the Bracket for the reflector is not adjustable.
  • the present invention has for its object a holder for Sensor elements, in particular for optical sensor elements on conveyor tracks create that has a structurally simple design and at the same time a offers easy installation of the sensor elements.
  • the configuration of the adjusting element between the connecting element and the connecting element of the holder for sensor elements as a ball-and-socket connection means that the sensor element can be set in two planes in an assembly-friendly manner in relation to the object to be scanned or recognized. It proves to be advantageous to provide this setting regardless of the attachment of the connecting element of the bracket to a structural element.
  • the ball joint connection is formed in the usual way from a ball head part and a ball seat.
  • the ball receptacle is part of the connecting element which can be connected to the construction element and is formed in two parts.
  • the connecting element for receiving the sensor elements is advantageously designed as a square-shaped attachment on the spherical head part, onto which the sensor elements can be placed with a complementary recess.
  • the sensor elements are attached to the ball head part by means of a screw. Due to the square-shaped approach, the sensor elements are arranged against rotation with respect to the connecting element, so that an adjustment of the sensor elements after clamping the ball head part is avoided.
  • the connecting element is particularly inexpensive to manufacture and injection molded has in addition to the function of fixing the ball head part also the function of Connection of the connecting element with the construction element. That is why Connection element at the end facing away from the ball seat with a fork part provided that on structural elements, preferably as profiles with flanges or horizontally aligned mounting plates are formed, can be pushed on.
  • the fork part is preferably attached using two threaded screws are supported on a fork part and can be adjusted on one side to the flange and thus press the opposite side of the fork part onto the flange.
  • the holder for sensor elements according to the invention is particularly suitable for optical sensors such as light sensors, one-way light barriers or reflex light barriers with a transmitter and receiver unit and a reflector.
  • optical sensors such as light sensors, one-way light barriers or reflex light barriers with a transmitter and receiver unit and a reflector.
  • Such sensors come, for example, in conveyor technology in connection with roller conveyors used to detect the presence of piece goods on the roller conveyor.
  • This bracket enables a particularly simple installation of the reflex light barriers Roller conveyors with side walls that have flanges around the connection element to be able to slide the bracket. Due to the fork-shaped design of the This is suitable for a range of flange thicknesses.
  • the present holder is structurally very simple and shows few components.
  • FIG. 1 shows a cross section through a roller conveyor 1 Conveyor track with an inventive holder 2 for an optical Sensor element 3.
  • the roller conveyor 1 consists essentially of a plurality of in Direction of conveyance seen one behind the other and spaced apart Rollers 4, which are formed at their ends in a U-shaped side cheeks 5 Construction elements are stored.
  • the side cheeks 5 have flange parts 5a that are oriented horizontally and outwards.
  • the brackets 2 for the sensor elements 3 can be attached.
  • Flange parts can also be provided in sheet metal sections.
  • For attachment is the holder of a connecting element 6 and a connecting element 7 constructed, which are interconnected via an adjusting element 8.
  • the connecting element 6 serves to fasten the sensor elements 3 to the upper one Flange part 5a of the side wall 5.
  • the connection element 6 has at one end a fork part 9, which can be pushed onto the upper flange part 5a.
  • Fork part 9 with the upper flange part 5a releasably connect to one Side of the fork part 9 two fasteners 10 in the form of threaded screws provided which are supported in a thread cut into the fork part 9 and can be adjusted in the direction of the underside of the upper flange part 5a.
  • the upper part of the fork part 9 is placed on the upper side of the upper part Flange part 5a pressed and thus the connecting element 7 with the side cheek 5th connected.
  • this connecting element 6 proves to be very easy to assemble and adaptable to different flange thicknesses.
  • the setting element 8 is preferably a ball joint connection with a ball receptacle 11 and a ball head part 12 are formed.
  • the bullet holder 11 is in the connecting element 6, which is preferably as an injection molded part or die-cast part is trained, incorporated. In the area of the ball seat 11 that is Connection element 6 divided in the middle and slightly worn on the parting surfaces, see above that an employment of the two surfaces of the ball receptacles 11 is possible.
  • the Connection element 6 is divided in the area of the ball receptacle 11 such that on the An end of the connecting element 6 facing away from the fork part 9 is an outer part 14 is formed, the parting surface perpendicular to the longitudinal extent of the fork part 9th is aligned.
  • the split design of the ball receptacle 11 makes it possible to the ball head part 12 used here after adjustment of the sensor element 3 Clamp the two parts of the ball receptacle 11 together. This Movement takes place via preferably designed as threaded screws Fastening means 13 (see Figure 2).
  • the ball head part 12 is a section of a ball with flattened ball caps formed and has a central bore 15. Flattened on one of the two On the side of the ball head part 12, a connecting element 7 is arranged, which as square-shaped approach is formed. This approach serves to include the Sensor elements 3, which are complementary in a corresponding manner trained recess 16 are provided. Through this positive connection About the approach and the recess 16 are the sensor element 3 and Ball head part 12 secured against rotation. In addition, the sensor element 3 via another fastener 17 in the form of a screw through the Bore 15 is guided, attached to the ball head part 12.
  • the sensor elements 3 are designed in the form of optical sensors, specifically as reflective light barriers with a transmitting and receiving unit 3a and a reflector 3b.
  • sensor elements 3 are thus understood to mean, on the one hand, the sensors themselves and, on the other hand, their aids, such as the aforementioned reflectors 3b. Since these sensor elements have different designs and sizes, the transmitting and receiving unit 3a can be plugged onto the attachment of the connecting element 7 directly via its housing 3c, in which the recess 16 is arranged. In this position, the transmitting and receiving unit 3a is held by the fastening means 17 guided from below through the bore 15.
  • a reflector 3b is provided on the opposite side of the roller conveyor 1 and is connected to the connecting element 7 via an angle element 18. Accordingly, one leg of the angle element 18 has the recess 16 in order to be able to place the angle element 18 on the shoulder of the spherical head part 12 in a rotationally secure manner.

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  • Geophysics And Detection Of Objects (AREA)
EP98250091A 1997-04-11 1998-03-13 Halterung für Sensorelemente, insbesondere für optische Sensorelemente an Förderbahnen Expired - Lifetime EP0870708B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19716746A DE19716746B4 (de) 1997-04-11 1997-04-11 Halterung für Sensorelemente, insbesondere für optische Sensorelemente an Förderbahnen
DE19716746 1997-04-11

Publications (3)

Publication Number Publication Date
EP0870708A2 EP0870708A2 (de) 1998-10-14
EP0870708A3 EP0870708A3 (de) 1999-08-11
EP0870708B1 true EP0870708B1 (de) 2002-08-28

Family

ID=7827242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98250091A Expired - Lifetime EP0870708B1 (de) 1997-04-11 1998-03-13 Halterung für Sensorelemente, insbesondere für optische Sensorelemente an Förderbahnen

Country Status (3)

Country Link
EP (1) EP0870708B1 (da)
DE (2) DE19716746B4 (da)
DK (1) DK0870708T3 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109855547B (zh) * 2019-01-13 2021-04-09 宁波鄞科科技咨询有限公司 一种汽车玻璃的测量装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956632A (en) * 1975-06-30 1976-05-11 Fmc Corporation Conveyor belt position monitoring device
DE2850351A1 (de) * 1978-11-20 1980-05-22 Baeuerle Gmbh Mathias Opto-elektronische vorrichtung zur bogendurchlaufkontrolle
DE9105269U1 (de) * 1991-04-29 1991-07-04 Kodak Ag, 7000 Stuttgart Vorrichtung zum Transportieren von Blattfilmen
US5505293A (en) * 1995-01-23 1996-04-09 York Food Systems Spiral freezer infeed assist drive system

Also Published As

Publication number Publication date
DE59805280D1 (de) 2002-10-02
DE19716746B4 (de) 2004-01-08
EP0870708A3 (de) 1999-08-11
EP0870708A2 (de) 1998-10-14
DK0870708T3 (da) 2002-12-02
DE19716746A1 (de) 1998-10-15

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