EP4165337A1 - Sécurisation d'interventions avec des gants - Google Patents

Sécurisation d'interventions avec des gants

Info

Publication number
EP4165337A1
EP4165337A1 EP21733747.6A EP21733747A EP4165337A1 EP 4165337 A1 EP4165337 A1 EP 4165337A1 EP 21733747 A EP21733747 A EP 21733747A EP 4165337 A1 EP4165337 A1 EP 4165337A1
Authority
EP
European Patent Office
Prior art keywords
shaft
safety device
cover
housing
rotation
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.)
Pending
Application number
EP21733747.6A
Other languages
German (de)
English (en)
Inventor
Laura DURST
Florian GRIMM
Thomas KORELLA
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.)
Bausch and Stroebel SE and Co KG
Original Assignee
Bausch and Stroebel SE and Co KG
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 Bausch and Stroebel SE and Co KG filed Critical Bausch and Stroebel SE and Co KG
Publication of EP4165337A1 publication Critical patent/EP4165337A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F16P3/144—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 using light grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J21/00—Chambers provided with manipulation devices
    • B25J21/02—Glove-boxes, i.e. chambers in which manipulations are performed by the human hands in gloves built into the chamber walls; Gloves therefor

Definitions

  • the invention relates to a safety device for glove grips in a glove box of a machine, the glove box comprising a wall in which an opening is provided which enables glove grips, a light grid being arranged in the glove box, which is coupled to the machine in such a way that when If an intervening object is detected by the light curtain, the operation of the machine is stopped.
  • Glove interventions are indispensable in many pharmaceutical manufacturing processes. They enable access to the manufacturing facilities so that faults in the event of a production interruption can be rectified without having to open the protective device. Aseptic production without the risk of contamination can thus be guaranteed.
  • the machine should preferably be equipped with a safety device for glove interventions.
  • a mechanical safety slide is known from DE 91 04920 U1, which closes glove holes in a glove box by moving it sideways and releases the glove holes again by moving it back.
  • a safety device for a glove socket which comprises a glove ring and a sensor device which is arranged on the glove ring, wherein the sensor device is set up to detect an engagement of an object, in particular a hand, in the glove ring.
  • CH 709889 A2 describes an RFID-based identification system for detecting the presence of a person at a glove box, which includes an RFID transponder which is intended to be worn by a specific person.
  • a reading unit is arranged on the glove box and is intended to signal the presence of the operator equipped with the transponder when the operator enters.
  • EP 2627484 B1 also discloses a safety device for glove interventions, the safety device comprising a locking unit with a distance sensor which, in a closed state, engages a stop section of a flap and thus blocks access to the glove box, an alarm signal being generated. as soon as the flap is lifted up to a transitional state for opening and the distance sensor has detected the position of the stop section which has been lifted as a result.
  • the object is achieved by a safety device for glove grips in a glove box of a machine, the glove box comprising a wall in which an opening is provided which enables glove grips, a light grid being arranged in the glove box, which is provided with the machine is coupled such that when an engaging object is detected by the light curtain, the operation of the machine is stopped,
  • the safety device comprising: a shaft which is adapted to extend from the outside to the inside of the glove box along an axis of rotation; an actuating element which is adapted to be actuated by a user in order to enable axial movement of the shaft; and a housing through which the shaft is passed, the housing being adapted to be fixedly fixed against rotation on the wall; and a cover which is designed to be fastened to the shaft transversely to the axis of rotation of the shaft, the cover further being designed to close the opening in a closed state and to open it by a rotary movement about the axis of rotation of the shaft switch and release the opening, the shaft and
  • the shaft is only rotatable when it and / or the cover are detected by the light grid in the axial rotational position, it can be ensured that the machine has already stopped before the user can reach into the producing machine with a glove . This avoids the risk of injury, so that the safety of the gloves can be guaranteed.
  • the cover could be pivoted in all directions, while in many solutions in the prior art an opening of the cover is only possible to the right or left.
  • the safety device according to the invention can easily be mounted as a separate unit on the wall of the glove box and, with the help of a combination of mechanical protection against intrusion and the light grille that is already present in the glove box, which generates the signal to stop the machine, it can be used to protect gloves so that the cost and construction effort can be reduced significantly.
  • the safety device can be easily dismantled and cleaned, so that hygienic requirements can also be met.
  • the safety device further comprises a curved track part with a guide section, which is attached to the shaft in a rotationally fixed and axially immovable manner or is integrated in one piece with the shaft, and a guide element which is fixedly attached to the inside of the housing or is integrated in one piece with the housing, wherein the guide element is set up to intervene in the guide path of the curved path part, the rotational position of the shaft being determined by the position of the guide element.
  • the guide path is preferably designed as a depression on a surface of the curved path part, while the guide element is preferably designed as a projection is formed on a surface of the housing.
  • the curved path part has an inlet opening which extends from the guide path to a side of the curved path part which faces the guide element in the anti-rotation position and which is designed to allow the guide element through to allow an axial movement of the shaft in the guide path.
  • the safety device thus preferably also has a cover part which is fixedly attached to the inside of the housing or is integrated in one piece with the housing, the cover part having a surface which is designed to interact with a surface of the cam part in such a way that the shaft in the The anti-rotation position is secured against twisting.
  • the one-piece construction of the cover part means that screws, which are used to fasten the cover, can be dispensed with, whereby the cleaning of the safety device can be considerably improved as a result.
  • the guide route preferably has a start position and an end position.
  • the curved path part preferably also has a recess at the end position of the guide section, which is connected to the guide section, the guide element being adapted to move axially in to engage the recess in order to secure the shaft in a stop position against rotation.
  • the guide element is preferably designed as a bolt, wherein the bolt can have any cross section.
  • the bolt can be fixedly attached to the housing or integrated in one piece with the housing.
  • the bolt can furthermore have a rolling section or a sliding section in order to enable or facilitate the rolling or sliding along the guide section.
  • the housing can also be made in one piece or in several parts, with a one-piece structure saving fastening means for connecting individual components and thus simplifying the cleaning of the safety device.
  • the safety device preferably comprises a locking unit, wherein the locking unit is designed to prevent axial movement of the shaft in a locked state and to release it in a released state, so that the shaft against a unintentional operation is secured.
  • the locking unit preferably comprises a bolt which is preloaded into the locking state by an elastic element, the elastic element preferably being designed as a compression spring.
  • the bolt is preferably designed to be pressed against the shaft with the aid of the compression spring in the locked state in order to secure the shaft against axial movement.
  • the latch is preferably to be pulled by a user in the direction opposite to the compressive force of the compression spring.
  • the bolt preferably has an inclined surface which is designed in such a way as to enable a transition from the rotational position to the anti-rotation position of the shaft only by means of an axial movement of the shaft, actuation of the locking unit not being necessary.
  • the actuating element is also designed to be actuated by a user in order to enable the shaft to rotate about its axis of rotation.
  • the actuating element can also be coupled to the shaft or integrated in one piece into the shaft, the actuating element preferably being a clamping lever, a star grip or an operating tool which can be attached to a receiving geometry in order to actuate the safety device. This would have the advantage that, on the one hand, the entire safety device would be more compact and would require less space and, on the other hand, only selected operators could operate the safety device.
  • the object is achieved by a system, comprising: a flanged shoe box of a machine, the flanged shoe box comprising a wall in which an opening is provided which enables flanged shoe engagements; a light curtain which is coupled to the machine in such a way that when an intervening object is detected by the light curtain, the operation of the machine is stopped; and a safety device according to any one of claims 1-14.
  • the housing is firmly attached to the wall at the bottom left or bottom right of the opening.
  • a pivoting range of the cover can be minimized.
  • the shaft with such a positioning of the housing can be secured in the stop position by the force of gravity of the cover, the guide element not being able to slip out of the recess due to, for example, vibrations, so that the cover is secured against falling in the stop position.
  • the housing is firmly attached to the outside of the wall, thereby minimizing the risk of contamination.
  • a glove is attached to the opening to enable glove access.
  • the glove mostly hangs outwards without protection and is clamped by a flap, with such a design there is the risk that the entire production batch could be rejected due to possible contamination due to the damage to the glove.
  • the lid is preferably attached to the shaft within the glove box, more preferably to one end of the shaft within the glove box.
  • Fig. 1 is a front view of a glove box with a
  • FIG. 2 is a perspective view of the safety device from FIG.
  • Fig. 3 is a plan view of the glove box with the
  • FIG. 4 shows a plan view of the glove box with the safety device from FIG. 1, the shaft of the safety device being in an axial rotational position;
  • FIG. 5 shows a sectional plan view of the safety device from FIG. 1;
  • FIG. 6 shows a sectional side view of the safety device from FIG. 1.
  • FIG. 1 shows a front view of a flanged shoe box 2 of a machine with a safety device 10 according to an exemplary embodiment of the invention.
  • the flanged shoe box 2 comprises a wall 4 in which an opening 6 is provided which enables flanged shoe interventions.
  • a ring 8 surrounding the opening is provided on the wall 4, a flange shoe, which is not shown in FIG. 1, being fastened to the opening.
  • a light grid 9 is arranged inside the flanged shoe box, which is coupled to the machine in such a way that the operation of the machine is stopped when a light beam of the light grid 9 is interrupted by an intervening object.
  • the safety device 10 comprises a shaft 12 which extends along an axis of rotation, and a housing 14 through which the shaft 12 is passed, the housing 14 at the bottom left of the opening 6 at the Wall 4 is fastened in a rotationally fixed manner with fastening screws 16.
  • a clamping lever 18 is coupled, which is preferably designed to be operated by a user in order to both an axial movement of the shaft along the axis of rotation and a rotational movement of the shaft to enable the axis of rotation.
  • the safety device 10 further comprises a cover 20, which is designed to be fastened to the shaft transversely to the axis of rotation, the cover 20 also being designed to close the opening 6 in a closed state and to rotate about the axis of rotation in to switch an opening state and to release the opening 6.
  • a locking unit 22 is preferably provided on the housing 14, which is designed to prevent axial movement of the shaft in a locked state and to release it in a released state.
  • FIG. 3 shows a plan view of the flanged shoe box 2 with the safety device 10 from FIG. 1, the shaft 12 of the safety device 10 being in an axial anti-rotation position, while FIG Safety device 10 is in an axial rotational position. It can be seen that the shaft 12 extends from the outside to the inside of the flange box 2 along its axis of rotation, the cover 20 being fixedly attached to one end of the shaft 12 within the flange boot box 2.
  • the shaft 12 and the housing 14 are coupled to one another in such a way that the shaft 12 together with the cover 20 is secured against rotation in the axial anti-rotation position shown in FIG The anti-rotation position are not detected by the light grid 9.
  • the shaft 12 and the housing 14 are coupled to one another in the axial rotational position shown in FIG Interrupt the light beam 11 of the light grid 9 and thus the operation of the machine is stopped.
  • the safety device 10 is set up in such a way that that the shaft 12 can only be rotated if it and / or the cover 20 are detected by the light grid 9 in the axial rotation position. In this way it can be ensured that the machine has already been stopped before reaching into the producing machine with a glove, so that the risk of injury can be avoided.
  • FIG. 5 and FIG. 6 it is shown by way of example how the housing 14 and the shaft 12 can be coupled to one another in the embodiment according to the above explanations.
  • a curved path part 24 is attached to the shaft 12 in a rotationally fixed and axially immovable manner, the curved path part 24 comprising a guide section 26 of a certain length, which is designed as a recess on a surface of the curved path part 24.
  • a guide element 28, which is designed as a bolt 28 in the embodiment, is fixedly attached to the inside of the housing 14. The bolt 28 is set up to engage in the guide section 26 of the curved path part 24, the rotational position of the shaft 12 being determined by the position of the curved path part 24.
  • the curved path part 24 has an inlet opening 29 which is designed to let the guide element 28 into the guide section 26 by an axial movement of the shaft 12.
  • the safety device 10 preferably also has a cover part 30 which is integrated on the inside and in one piece with the housing 14, the cover part 30 having a milled surface which is designed to interact with a milled surface of the curved path part 24 in such a way that rotation of the shaft in the anti-rotation position is prevented.
  • the guide section 26 of the curved path part 24 has a start position and an end position, a recess being provided at the end position of the guide section, which is not shown here in the figures.
  • the recess is connected to the guide section, the bolt 28 being designed to engage in the recess by means of an axial movement in order to secure the shaft 12 against rotation in a stop position.
  • the guide path has a length which is defined by the start position and the end position, the length determining the pivoting range of the cover 20.
  • the required pivoting range of the cover 20 to expose the opening 6 is different.
  • the housing 14 is arranged at the bottom left of the opening 6, as a result of which the pivoting range of the cover can be minimized and can only be approximately 65 °.
  • a different swivel range could also be selected depending on the framework conditions.
  • the pivoted-out cover 20 is not in the user's field of vision.
  • the bolt 28 is secured in the stop position by the force of gravity of the cover, so that it cannot slip out of the recess due to vibrations and cause the cover to fall.
  • the locking unit 22 comprises a bolt 23 which is secured against rotation in the housing 14 by means of a surface and, in a locked state, is pressed against the shaft 12 with the aid of a compression spring 25.
  • Step 1 release the lock
  • Step 2 move (area 1)
  • the shaft can be pushed axially in the direction of the glove box 2. Rotation of the cover 20 is prevented in this area by the interaction of a milled surface of the curved path part 24 on the shaft 12 and a milled surface of the cover part 30 on the housing 14.
  • Step 3 move (area 2)
  • the shaft can also be pushed axially in the direction of the glove box 2. Rotation of the shaft 12 is possible only when the axial rotational position is reached, in which the bolt 28 is in engagement with the guide section 26, the light grid 9 being in the rotational position of the shaft 12 and / or the lid 20 is interrupted and the machine stops.
  • Step 4 twisting (opening)
  • the shaft 12 can be rotated with the cover 20 in order to expose the opening 6. Due to the length of the curved path part 24, the pivoting angle of the cover 20 can be limited to a value of 65 °. If the end position of the guide section 26 is reached, the shaft 12 can be pushed inwards again by, for example, 5 mm (axial end stop) and is thus again secured against rotation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

L'invention concerne un dispositif de sécurité (10) pour des interventions avec des gants dans une boîte à gants (2) d'une machine, cette boîte à gants (2) comportant une paroi (4) dans laquelle est prévue une ouverture (6) qui permet des interventions avec des gants, un rideau optique (9) étant prévu dans la boîte à gants (2) et étant couplé à la machine de manière que lorsqu'un objet entrant est détecté par le rideau optique (9), le fonctionnement de la machine est arrêté, le dispositif de sécurité comprenant : un arbre conçu pour s'étendre de la face externe à la face interne de la boîte à gants (2) le long d'un axe de rotation de l'arbre, un élément d'actionnement conçu pour être actionné par un utilisateur pour permettre un mouvement axial de l'arbre, et un boîtier à travers lequel l'arbre est introduit, ce boîtier étant conçu pour pouvoir être fixé sur la paroi (4) de manière à être bloqué en rotation, et un couvercle (20) conçu pour être fixé sur l'arbre perpendiculairement à l'axe de rotation de cet arbre, ce couvercle (20) étant en outre conçu pour fermer l'ouverture (6) dans un état de fermeture et pour libérer cette ouverture (6) en passant à un état d'ouverture par l'intermédiaire d'un mouvement de rotation autour de l'axe de rotation, l'arbre et le boîtier étant en outre accouplés de manière que l'arbre, avec le couvercle (20), soit bloqué en rotation dans une position de blocage de rotation axiale et puisse être animé d'un mouvement de rotation pour passer de l'état de fermeture à l'état d'ouverture du couvercle (20) et vice versa dans une position de rotation axiale, l'arbre et/ou le couvercle (20) étant conçu(s) pour être détecté(s) par le rideau optique (9) dans la position de rotation.
EP21733747.6A 2020-06-15 2021-06-10 Sécurisation d'interventions avec des gants Pending EP4165337A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202020103410.3U DE202020103410U1 (de) 2020-06-15 2020-06-15 Absicherung von Handschuheingriffen
PCT/EP2021/065711 WO2021254888A1 (fr) 2020-06-15 2021-06-10 Sécurisation d'interventions avec des gants

Publications (1)

Publication Number Publication Date
EP4165337A1 true EP4165337A1 (fr) 2023-04-19

Family

ID=72518440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21733747.6A Pending EP4165337A1 (fr) 2020-06-15 2021-06-10 Sécurisation d'interventions avec des gants

Country Status (5)

Country Link
US (1) US20230243469A1 (fr)
EP (1) EP4165337A1 (fr)
CN (1) CN115398140A (fr)
DE (1) DE202020103410U1 (fr)
WO (1) WO2021254888A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9104920U1 (de) 1991-04-22 1991-06-20 Siemens AG, 8000 München Handschuhkasten mit Sicherheitsschieber
US6491621B1 (en) * 2000-02-12 2002-12-10 Datex-Ohmeda, Inc. Double walled door for infant care apparatus
IT1401852B1 (it) * 2010-10-15 2013-08-28 Ima Life Srl Dispositivo di sicurezza per glove port
CH709889A2 (de) 2014-07-16 2016-01-29 Skan Ag Identifikationssystem zur Erkennung der Präsenz einer Bedienperson an einem Containment.
DE102018209249A1 (de) 2018-06-11 2019-12-12 Robert Bosch Gmbh Sicherheitseinrichtung eines Handschuhstutzens

Also Published As

Publication number Publication date
US20230243469A1 (en) 2023-08-03
CN115398140A (zh) 2022-11-25
WO2021254888A1 (fr) 2021-12-23
DE202020103410U1 (de) 2020-08-31

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