ES2343396A1 - Detection device (Machine-translation by Google Translate, not legally binding) - Google Patents

Detection device (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2343396A1
ES2343396A1 ES200703369A ES200703369A ES2343396A1 ES 2343396 A1 ES2343396 A1 ES 2343396A1 ES 200703369 A ES200703369 A ES 200703369A ES 200703369 A ES200703369 A ES 200703369A ES 2343396 A1 ES2343396 A1 ES 2343396A1
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ES
Spain
Prior art keywords
machine
detection device
receiver
light
operators
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Granted
Application number
ES200703369A
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Spanish (es)
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ES2343396B1 (en
Inventor
Francisco Javie Gaya Fuentes
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Personas y Tecnologia SL
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Personas y Tecnologia SL
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Priority to ES200703369A priority Critical patent/ES2343396B1/en
Publication of ES2343396A1 publication Critical patent/ES2343396A1/en
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Publication of ES2343396B1 publication Critical patent/ES2343396B1/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/08—Protective coverings for parts of machine tools; Splash guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact

Abstract

Detection device. It is intended to prevent accidents to operators that handle machines with mobile elements capable of producing injuries in the hands of operators or other parts of the body. The device of the invention is located in restricted areas close to those mobile elements of the machine. It is characterized in that it comprises a tilting casing in combination with a photocell, which has an emitting element of a light beam located in a fixed part and a receiving element of that beam of light located in an extreme zone of the casing, so that in normal conditions the receiver receives the projection of the beam of light while when the operator tries to manipulate some moving element of the machine, previously contacts the tilting casing placing it in another position, whereby the receiver of the beam of light will stop receiving the signal emitted by the emitter, which will instantly interrupt the movement of the machine thus preventing a possible accident. (Machine-translation by Google Translate, not legally binding)

Description

Dispositivo de detección.Detection device.

Objeto de la invenciónObject of the invention

La presente invención, tal y como se expresa en el enunciado de esta memoria descriptiva, se refiere a un dispositivo de detección destinado para detectar la intrusión en determinadas zonas o dispositivos, en los que es posible generar accidentes graves, como los producidos en maquinaría dotada de partes móviles que pueden succionar las extremidades de los operarios.The present invention, as expressed in the statement of this specification refers to a detection device intended to detect intrusion into certain areas or devices, in which it is possible to generate serious accidents, such as those produced in machinery equipped with moving parts that can suck the limbs of the Operators

Así pues, el objetivo de la invención es desarrollo de un sencillo dispositivo para detectar un determinado movimiento dentro de un área restringida. Su sencilla y robusta concepción lo hacen prácticamente infalible en la detección, de manera que no se limita solo a su aplicación en máquinas, sino que también es perfectamente aplicable y adaptable a cualquier otra tarea similar como sistemas antirrobo o barreras de seguridad, por ejemplo.Thus, the objective of the invention is development of a simple device to detect a certain movement within a restricted area. Its simple and robust conception make it virtually infallible in the detection of way that is not limited only to its application in machines, but that It is also perfectly applicable and adaptable to any other similar task as anti-theft systems or security barriers, for example.

Antecedentes de la invenciónBackground of the invention

Actualmente existen diversos sistemas para detectar la intrusión en determinadas zonas o dispositivos, en los que es posible generar accidentes graves, como los producidos en maquinaría dotada de partes móviles que pueden succionar las extremidades de los operarios.There are currently several systems for detect intrusion in certain areas or devices, in that it is possible to generate serious accidents, such as those produced in machinery equipped with moving parts that can suck the limbs of the operators.

En el sector del azulejo, por ejemplo, es habitual el uso de máquinas de decoración dotadas de determinados cilindros giratorios, que transfieren a la baldosa los motivos decorativos deseados.In the tile sector, for example, it is usual the use of decoration machines equipped with certain rotating cylinders, which transfer the motifs to the tile desired decorative.

Tales cilindros normalmente van cubiertos por un carenado superior, de manera que en la práctica el cilindro es descubierto por los operarios, que llegan incluso a puentear los interruptores de seguridad, para poder actuar sobre la máquina durante su movimiento, con la consiguiente peligrosidad que ello supone.Such cylinders are normally covered by a upper fairing, so that in practice the cylinder is discovered by the operators, who even bridge the safety switches, to act on the machine during its movement, with the consequent danger that it supposed.

Además de estos carenados, las máquinas suelen incorporar células fotoeléctricas, de manera que cuando se interrumpe el haz de luz se detiene la máquina o emiten determinadas señales de aviso. No obstante en algunos sectores como el del azulejo, estos dispositivos son testimoniales, pues debido a su suciedad (tintas, polvo, etc.), son poco seguros.In addition to these fairings, the machines usually incorporate photoelectric cells, so when interrupts the beam of light the machine stops or emit certain warning signs However in some sectors such as the tile, these devices are testimonials, because due to their Dirt (inks, dust, etc.), are unsafe.

Descripción de la invenciónDescription of the invention

Con el fin de alcanzar los objetivos y evitar los inconvenientes mencionados en los apartados anteriores, la invención propone un dispositivo de detección destinado a evitar accidentes en máquinas que incorporan distintos mecanismos giratorios o de cualquier otro tipo, todos los cuales incorporan elementos móviles que desarrollan distintos movimientos, de forma que para evitar que algunos o alguno de esos elementos móviles puedan provocar lesiones en los operarios que manipulan las máquinas, se incorpora el dispositivo de detección que se instalará en una zona frontal restringida y estratégica de la máquina para que si el operario se acerca en exceso a los elementos móviles, sobre todo con las manos, e incluso cualquier otra parte de su cuerpo, la máquina se detenga al instante, evitándose así un potencial accidente.In order to achieve the objectives and avoid the drawbacks mentioned in the previous sections, the invention proposes a detection device intended to prevent accidents on machines that incorporate different mechanisms rotating or any other type, all of which incorporate mobile elements that develop different movements, so that to prevent some or any of those mobile elements they can cause injuries to the operators who manipulate the machines, the detection device to be installed is incorporated in a restricted and strategic front area of the machine so that if the operator gets too close to the mobile elements, about all with your hands, and even any other part of your body, the machine stops instantly, thus avoiding potential accident.

Partiendo de esta premisa, el dispositivo de la invención se caracteriza porque comprende la combinación de una fotocélula y una carcasa basculante conectada a un soporte fijo solidario de la máquina, de manera que la carcasa cubre en principio toda la anchura del mecanismo susceptible de generar accidentes.Starting from this premise, the device of the invention is characterized in that it comprises the combination of a photocell and a tilting housing connected to a fixed support solidarity of the machine, so that the housing covers in principle the entire width of the mechanism capable of generating accidents.

El elemento emisor del haz de luz de la fotocélula se encuentra instalado en el soporte fijo, mientras que el receptor se encuentra instalado en una zona extrema de la carcasa basculante. Las posiciones del emisor y receptor de la fotocélula podrían intercambiarse.The emitting element of the light beam of the photocell is installed on the fixed stand, while The receiver is installed in an extreme area of the housing swingarm. The positions of the transmitter and receiver of the photocell They could be exchanged.

En condiciones normales de funcionamiento, el haz de luz emitido por el emisor alcanza al receptor siguiendo evidentemente una línea recta, mientras que cuando el operario se acerca en exceso al mecanismo protegido con el dispositivo de detección, entra entonces en contacto con la carcasa basculante, colocándose ésta en otra dirección que la inicial de reposo, con lo cual el haz de luz de la fotocélula no alcanzará al receptor, deteniendo al instante el funcionamiento de la máquina, precisamente debido a que el receptor no recibe el haz de luz.Under normal operating conditions, the beam of light emitted by the emitter reaches the receiver following obviously a straight line, while when the operator excessively approaches the mechanism protected with the device detection, then comes into contact with the tilting housing, placing this one in another direction that the initial one of rest, with what which the light beam of the photocell will not reach the receiver, instantly stopping machine operation, precisely because the receiver does not receive the light beam.

Para que la máquina funcione de nuevo será preciso colocar la carcasa en su posición estable inicial en la que el haz de luz de la fotocélula alcanza al receptor de la misma.For the machine to work again it will be it is necessary to place the housing in its initial stable position where The light beam of the photocell reaches the receiver of the same.

La conexión entre soporte y carcasa es un acoplamiento elástico, aunque podría comprender también otro tipo de conexión pertinente.The connection between support and housing is a elastic coupling, although it could also include another type of relevant connection

Por último cabe señalar que la carcasa comprende esencialmente una estructura tubular, pudiendo presentar también otras estructuras.Finally, it should be noted that the housing comprises essentially a tubular structure, being able to also present other structures

A continuación para facilitar una mejor comprensión de esta memoria descriptiva y formando parte integrante de la misma, se acompañan unas figuras en las que con carácter ilustrativo y no limitativo se ha representado el objeto de la invención.Next to facilitate a better understanding of this descriptive report and being an integral part of the same, some figures are accompanied in which with character illustrative and not limiting the object of the invention.

Breve descripción de los dibujosBrief description of the drawings

Figura 1.- Muestra una vista frontal del dispositivo de detección de la invención aplicado a un rodillo giratorio. Cuando un operario se acerca en exceso al rodillo, éste se detiene gracias al dispositivo de la invención.Figure 1.- Shows a front view of the detection device of the invention applied to a roller rotary. When an operator approaches the roller excessively, it it stops thanks to the device of the invention.

Figura 2.- Muestra una vista del dispositivo en una posición activa en la que se paraliza el giro del rodillo porque el operario se ha acercado en exceso al mismo, en este caso mediante su mano.Figure 2.- Shows a view of the device in an active position in which the rotation of the roller is paralyzed because the operator has approached excessively to it, in this case by his hand.

Figura 3.- Muestra una vista en sección del dispositivo de la invención.Figure 3.- Shows a sectional view of the device of the invention.

Descripción de la forma de realización preferidaDescription of the preferred embodiment

Considerando la numeración adoptada en las figuras, el dispositivo de detección está destinado para instalarse en una zona frontal de un mecanismo con elementos móviles de máquinas para evitar posibles accidentes a los operarios que manipulan tales máquinas.Considering the numbering adopted in the figures, the detection device is intended to be installed in a frontal area of a mechanism with moving elements of machines to avoid possible accidents to operators who They manipulate such machines.

Una aplicación particular puede ser el sector del azulejo donde es habitual el uso de máquinas de decoración dotadas de determinados cilindros giratorios 6 que transfieren a la baldosa los motivos decorativos deseados.A particular application may be the sector of the tile where the use of decoration machines is usual equipped with certain rotating cylinders 6 that transfer to the tile the desired decorative motifs.

El dispositivo de la invención se dispondrá por delante del rodillo 6 cubriendo prácticamente toda su anchura, contando para ello el dispositivo con un soporte fijo 3 solidario del bastidor 7 de la máquina, una carcasa basculante de estructura tubular 2 que se conecta al soporte fijo 3 mediante una conexión elástica 4 y una fotocélula, cuyo emisor de luz 1 se encuentra ubicado en el soporte fijo 3 mientras que el receptor 5 de la fotocélula se encuentra ubicado en una zona extrema de la carcasa basculante 2.The device of the invention will be arranged by in front of roller 6 covering practically its entire width, counting for this the device with a fixed support 3 solidarity of the machine frame 7, a tilting structure carcass tubular 2 that connects to the fixed support 3 through a connection elastic 4 and a photocell, whose light emitter 1 is located located on the fixed support 3 while the receiver 5 of the photocell is located in an extreme area of the housing swingarm 2.

En condiciones normales de funcionamiento, la carcasa 2 se mantiene en una posición estable paralela al rodillo 6 en proximidad al mismo en la que el emisor 1 de la fotocélula proyecta su haz de luz 9 contra el elemento receptor 5 de la fotocélula.Under normal operating conditions, the housing 2 is maintained in a stable position parallel to roller 6 in proximity to it in which the emitter 1 of the photocell projects its beam of light 9 against the receiving element 5 of the photocell

En cambio, cuando el operario acerca en exceso la mano 8 u otra parte de su cuerpo al rodillo giratorio 6 tropieza con la carcasa basculante 2, la cual se moverá situándose en otra posición diferente a la de reposo (figura 2), con lo cual el haz de luz 9 proyectado por el emisor 1 de la fotocélula no alcanzará al receptor 5 porque no está en la dirección de ese haz de luz 9, generándose entonces una señal que detiene el giro del rodillo 6, señal ésta que se produce precisamente cuando el receptor 5 no recibe el haz de luz 9 del emisor 1.On the other hand, when the operator approaches in excess hand 8 or another part of its body to the rotating roller 6 trips with the tilting housing 2, which will move to another different position to rest (figure 2), with which the beam of light 9 projected by the emitter 1 of the photocell will not reach the receiver 5 because it is not in the direction of that beam of light 9, then generating a signal that stops the rotation of the roller 6, signal that occurs precisely when the receiver 5 does not receives the light beam 9 from the emitter 1.

Colocando la carcasa 2 en su posición normal de reposo se podrá activar de nuevo el giro del rodillo 6.By placing the housing 2 in its normal position of At rest, the rotation of roller 6 can be activated again.

Claims (5)

1. Dispositivo de detección, que estando destinado para evitar accidentes a operarios que manipulan máquinas con elementos móviles susceptibles de producir lesiones en las manos de los operarios u otras partes del cuerpo y estando situado el dispositivo en zonas restringidas estratégicas próximas a esos elementos móviles de la máquina, se caracteriza porque comprende una carcasa basculante (2) en combinación con una fotocélula, uno de cuyos elementos seleccionados, emisor (1) o receptor (5), se encuentra ubicado en una parte fija, mientras que el otro elemento parejo se encuentra en una zona de la carcasa basculante (2), de forma que en posición normal el haz de luz (9) del emisor (1) lo recibe el receptor (5) mientras que cuando la carcasa (2) bascula como consecuencia de entrar en contacto con la mano del operario u otra parte del mismo, el receptor (5) deja de recibir el haz de luz (9), deteniéndose entonces los elementos móviles de la máquina.1. Detection device, which is intended to prevent accidents to operators who manipulate machines with mobile elements that can cause injuries to the hands of the operators or other parts of the body and the device being located in strategic restricted areas close to those mobile elements of The machine is characterized in that it comprises a tilting housing (2) in combination with a photocell, one of whose selected elements, emitter (1) or receiver (5), is located in a fixed part, while the other even element is It is located in an area of the tilting housing (2), so that in a normal position the light beam (9) of the transmitter (1) is received by the receiver (5) while when the housing (2) tilts as a result of entering in contact with the operator's hand or another part thereof, the receiver (5) stops receiving the light beam (9), then stopping the moving elements of the machine. 2. Dispositivo de detección, según la reivindicación 1, caracterizado porque la carcasa basculante (2) se conecta, mediante un acoplamiento elástico (4), a un soporte fijo (3) solidario del bastidor (7) de la máquina.2. Detection device according to claim 1, characterized in that the tilting housing (2) is connected, by means of an elastic coupling (4), to a fixed support (3) integral with the frame (7) of the machine. 3. Dispositivo de detección, según la reivindicación 2, caracterizado porque el elemento emisor (1) está conectado en el soporte fijo (3), mientras que el elemento receptor (5) está fijado en la carcasa basculante (2).3. Detection device according to claim 2, characterized in that the emitting element (1) is connected to the fixed support (3), while the receiving element (5) is fixed in the tilting housing (2). 4. Dispositivo de detección, según la reivindicación 2, caracterizado porque el elemento receptor (5) está conectado en el soporte fijo (3) mientras que el elemento emisor (1) está conectado en la carcasa basculante (2).4. Detection device according to claim 2, characterized in that the receiving element (5) is connected to the fixed support (3) while the emitting element (1) is connected to the tilting housing (2). 5. Dispositivo de detección, según una cualquiera de las reivindicaciones anteriores, caracterizado porque la carcasa basculante (2) comprende una estructura tubular.5. Detection device according to any one of the preceding claims, characterized in that the tilting housing (2) comprises a tubular structure.
ES200703369A 2007-12-19 2007-12-19 DETECTION DEVICE. Expired - Fee Related ES2343396B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES200703369A ES2343396B1 (en) 2007-12-19 2007-12-19 DETECTION DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200703369A ES2343396B1 (en) 2007-12-19 2007-12-19 DETECTION DEVICE.

Publications (2)

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ES2343396A1 true ES2343396A1 (en) 2010-07-29
ES2343396B1 ES2343396B1 (en) 2011-07-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029807A (en) * 1963-11-23 1966-05-18 Barber Electrical Services Ltd Improvement in, and design of, controlled guards for machine tools
GB1144512A (en) * 1966-05-10 1969-03-05 Pearson Panke Ltd Improvements in or relating to safety devices
US5216246A (en) * 1992-02-03 1993-06-01 Xerox Corporation Optical safety shutoff for machine cover
JPH11182789A (en) * 1997-12-24 1999-07-06 Komatsu Ltd Interlocking device for safeguard
US20030150952A1 (en) * 2002-02-12 2003-08-14 Fuchs. Lawrence J. Winder splicing nip guard

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029807A (en) * 1963-11-23 1966-05-18 Barber Electrical Services Ltd Improvement in, and design of, controlled guards for machine tools
GB1144512A (en) * 1966-05-10 1969-03-05 Pearson Panke Ltd Improvements in or relating to safety devices
US5216246A (en) * 1992-02-03 1993-06-01 Xerox Corporation Optical safety shutoff for machine cover
JPH11182789A (en) * 1997-12-24 1999-07-06 Komatsu Ltd Interlocking device for safeguard
US20030150952A1 (en) * 2002-02-12 2003-08-14 Fuchs. Lawrence J. Winder splicing nip guard

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Publication number Publication date
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