EP4088817A1 - Maschine zur verarbeitung eines produkts, insbesondere zum schneiden und/oder hacken von fleisch - Google Patents

Maschine zur verarbeitung eines produkts, insbesondere zum schneiden und/oder hacken von fleisch Download PDF

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Publication number
EP4088817A1
EP4088817A1 EP22173125.0A EP22173125A EP4088817A1 EP 4088817 A1 EP4088817 A1 EP 4088817A1 EP 22173125 A EP22173125 A EP 22173125A EP 4088817 A1 EP4088817 A1 EP 4088817A1
Authority
EP
European Patent Office
Prior art keywords
spacer
transformation
motor
zone
protection
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
EP22173125.0A
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English (en)
French (fr)
Inventor
Fabrice Chevaleyre
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4088817A1 publication Critical patent/EP4088817A1/de
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/305—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/301—Mincing machines with perforated discs and feeding worms with horizontal axis
    • B02C18/302—Mincing machines with perforated discs and feeding worms with horizontal axis with a knife-perforated disc unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/04—Safety devices

Definitions

  • the present invention relates to a product processing machine. It finds an application in particular in the transformation of a product by cutting and/or chopping, quite particularly for the cutting and/or chopping of food such as meat.
  • Such machines generally comprise a transformation member, comprising for example one or more knives, or else of the endless screw type or an Archimedean screw as in the case of a meat grinder or an extruder, placed in a transformation zone, and actuated by a generally electric actuating motor.
  • An outlet from the transformation zone allowing the evacuation of the transformed product, takes the form of an outlet tube.
  • the opening of this outlet tube therefore emerges outside the machine and is closed by a perforated plate or a grid which can at the same time act as a protection device, held in position by fixing means such as 'a nut. Between the nut and the grid is generally inserted a compensation ring which compensates for possible wear of the grid.
  • the protective grid must be correctly maintained in position to prevent a user from being able to access, for example with his hand, the product feed zone and/or the transformation zone during operation of the machine. transformation member, failing which the user may be seriously injured.
  • the fastening nut maintains the protective grid in position.
  • the protective grid must be removed and then correctly repositioned.
  • the object of the invention is in particular to propose a machine for transforming a product which guarantees the safety of the user vis-à-vis the transformation member when the latter is in action.
  • the invention makes it possible to ensure the presence of a member without which accidents are likely to occur, and thus to ensure the operational safety of the processing machine.
  • the subject of the invention is thus a machine intended to transform, in particular to cut, a product, in particular food such as meat, comprising an actuation motor, a transformation zone, at least one transformation member disposed at least partly in the transformation zone and connected to the actuating motor so as to allow, when the transformation member is actuated by the motor, the transformation of a product introduced into the transformation zone, the machine further comprising a device for controlling the operation of the motor, a protective device fixed by fixing means and intended to prevent a user from gaining access to the transformation zone, and a safety system comprising an electrical circuit connected to the device control, the safety system being configured to authorize, via the electric circuit, the operation of the engine only when the presence of the protective device ion in at least one determined protection position is detected.
  • the safety system comprises a spacer mounted between the protection member and the fixing means, and the electrical circuit comprises first and second contact elements respectively mounted on the spacer and on the machine and configured to cooperate in the circuit electric so as to authorize or prevent the operation of the motor depending on the position of the spacer, the spacer being configured to pass automatically, when the protection member is withdrawn from the determined protection position, d a first position in which the first and second contact elements cooperate in the electric circuit so as to authorize the operation of the motor, to a second position in which the first and second contact elements cooperate in the electrical circuit so as to prevent the operation of the motor.
  • the machine of the invention makes it possible to guarantee the safety of the user vis-à-vis the transformation member, by ensuring that the transformation member cannot be actuated by the motor if the protection, intended to prevent access to moving parts, is not correctly positioned, a fortiori if it is missing.
  • a machine according to the state of the art comprises an actuating motor (not shown), such as an electric motor, and a transformation zone 1, in which the product to be transformed undergoes a transformation.
  • an actuating motor such as an electric motor
  • a transformation zone 1 in which the product to be transformed undergoes a transformation.
  • This transformation member 2 is connected to the actuation motor, so that when the transformation member 2 is actuated by the engine, a product introduced into the transformation zone 1 can be transformed by this transformation device. Under the effect of the transformation dynamics, the transformed product is brought to the outlet 16 of the transformation zone, which takes the form of an outlet tube 16.
  • This outlet tube 16 is substantially circular or has a shape substantially cylindrical, centered on an output axis (A).
  • the machine also comprises a control device, not shown, making it possible to control the operation of the motor.
  • a protective grid 3, or a perforated plate, is fixed, at the level of the outlet 16, by a nut 17.
  • This grid 3 is intended to prevent a user from gaining access to the transformation zone 1.
  • the outlet tube 16 has a key 14 to prevent the rotation of the grid 3. It also has a threaded zone 4 which cooperates with the nut 17, to allow the fixing of the grid 3.
  • a compensation ring 15 may be provided, mounted interposed between the protective grid 3 and the nut 17.
  • the machine according to the invention comprises an actuation motor (not shown), such as an electric motor, and a transformation zone 1 shown more specifically on the figure 2 . It is in particular in this transformation zone 1 or in a part thereof, that the product to be transformed undergoes the transformation.
  • this transformation unit 2 is represented schematically and partially, in the form of a simple block 2 which can for example represent one or more cutting knives or one or more chopping or extrusion augers.
  • This transformation member 2 is connected to the actuation motor, so that when the transformation member 2 is actuated by the motor, a product introduced into the transformation zone 1 can be transformed by this transformation member.
  • the transformed product is brought to the outlet 16 of the transformation zone, which takes the form of an outlet tube 16 in the example shown in the figures.
  • the machine also comprises a control device, not shown, making it possible to control the operation of the motor.
  • a protective member 3 such as a protective grid or a perforated plate, is fixed, at the outlet 16, by fixing means, not shown to simplify the figures.
  • These fastening means may be identical or similar to the nut 17 of the figure 1 , and positioned with respect to output 16 as on the figure 1 .
  • This protection member 3 is intended to prevent a user from gaining access to the processing zone 1. In the case of a grid or perforated plate 3, the latter can contribute at the same time to the processing and to the working of the product.
  • a security system 5, 6, 7 is provided. It is configured to control the operation of the motor, therefore of the transformation member, with a view to guaranteeing the safety of the user.
  • the security system comprises an electrical circuit, the latter comprising, among other elements, two elements 6, 7 which will be presented later.
  • the numerical references 6, 7 are assigned to this electrical circuit since only the elements 6, 7 of this circuit are shown in the figures.
  • This electric circuit 6.7 (therefore in particular the elements 6 and 7) is connected to the device for controlling the operation of the engine.
  • the safety system 5, 6, 7 is configured to authorize, via the electrical circuit 6, 7, the operation of the motor only when the presence of the protection member 3 in at least one determined protection position is detected.
  • the security system 5, 6, 7 also comprises a part forming a spacer 5.
  • This spacer 5 is mounted between the member protection 3 and the fixing means (not shown).
  • these fixing means can be identical or similar to the nut 17 of the figure 1 , and positioned with respect to output 16 as on the figure 1 .
  • the electric circuit comprises a first and a second contact element 6, 7.
  • the first contact element 6 is mounted on the spacer 5
  • the second contact element 7 is mounted on the machine, by example on the crankcase, near or at the level of exit 16.
  • first and a second contact elements 6, 7 are configured to cooperate in the electrical circuit 6, 7 so as to authorize or prevent the operation of the motor depending on the position of the spacer 5.
  • This spacer 5 is also configured to move automatically from a first to a second position, when the protection member 3 is removed from the determined protection position. Specifically, in the first position of the spacer 5, the first and second contact elements 6, 7 cooperate in the electrical circuit 6, 7 so as to allow the operation of the motor. In the second position of the spacer 5, the first and second contact elements 6, 7 cooperate in the electrical circuit 6, 7 so as to prevent the operation of the motor.
  • the spacer 5 when the protective member 3 is present in a determined protective position, the spacer 5 is in the first position in which the first and the second contact elements 6, 7 cooperate in the electrical circuit 6, 7 in so as to allow the operation of the motor, therefore the actuation of the transformation member 2.
  • the spacer 5 automatically passes into the second position in which the first and the second contact elements 6, 7 cooperate in the electrical circuit 6, 7 so as to prevent the operation of the motor, therefore the actuation of the transformation member 2.
  • the first and second contact elements 6, 7 are configured to cooperate so as to close the electric circuit 6, 7 in the first position of the spacer 5, and so as to open the electric circuit 6, 7 in the second position of the spacer 5.
  • the control device is itself configured to authorize the operation of the motor when the electrical circuit 6, 7 is closed, and to prevent the operation of the motor when the electrical circuit 6, 7 is open.
  • the spacer 5 when the protection member 3 is present in the determined protection position, the spacer 5 is in the first position in which the first and the second contact elements 6, 7 cooperate to close the circuit electric 6, 7, which leads the control device to allow the operation of the motor, therefore the actuation of the transformation member 2.
  • the spacer 5 automatically passes into the second position in which the first and the second contact elements 6, 7 cooperate to open the electric circuit 6, 7, which causes the control device to prevent the operation of the motor , therefore the actuation of the transformation member 2.
  • the operation can be reversed, with an opening of the electrical circuit 6, 7 in the first position of the spacer 5 and a closing of this electrical circuit 6, 7 in the second position of the spacer 5.
  • the control device is configured to authorize the operation of the motor when the electrical circuit 6, 7 is open, and to prevent the operation of the motor when the electrical circuit 6, 7 is closed.
  • the first contact element 6 can be of the coded magnetic actuator type 6, and the second contact element 7 is then of the magnetic receiver 7 type configured to be actuated by the first contact element 6.
  • the electrical circuit 6, 7 is closed.
  • the first position of the spacer 5 corresponds to a position of contact between the coded magnetic actuator 6 and the magnetic receiver 7, and the second position of the spacer 5 corresponds to a position of absence of contact between the coded magnetic actuator 6 and the receiver magnetic 7.
  • the first position of the spacer 5 corresponds to a position of absence of contact between the coded magnetic actuator 6 and the magnetic receiver 7, and the second position of the spacer 5 corresponds to a position of contact between the coded magnetic actuator 6 and the magnetic receiver 7.
  • the zone of the transformation zone 1 has, as mentioned above, an outlet 16.
  • This outlet 16 is substantially circular or has a substantially cylindrical shape, centered on an output axis (A).
  • output 16 has a key 14 to prevent rotation of protection member 3.
  • the protection member 3 and the spacer 5 are then mounted centered around the output axis A so as to prevent a user from accessing the transformation zone 1 through this output 16.
  • the spacer 5 is in this case configured to pass automatically from the first position to the second position by rotation around the output axis (A) under the effect of its own weight, when the protection member 3 is withdrawn from the protection position determined.
  • the spacer 5 is provided with a lug 8 and the protective member 3 is provided with a housing 9.
  • the lug 8 and the housing 9 are configured so that the housing 9 receives and maintains the lug 8 in the first position of spacer 5.
  • the transformation zone 1, preferably at its outlet 16 is provided with the key 14, and where the protective member 3 is provided with a groove 9 intended to cooperate with the key 14 to ensure the angular positioning of the protection member 3 with respect to the exit 16 from the transformation zone 1, the groove 9, or a portion of this groove 9, can fulfill the role of housing 9 for the lug 8 of the spacer 5.
  • this housing role for the lug 8 can also be played by one or one of the holes in the grid or the perforated plate.
  • spacer 5 to be provided with a housing, and for protection member 3 to be provided with a lug.
  • the spacer 5 has a substantially circular main body 10 which is centered around the output axis A, and a support 11 which receives the first contact element 6.
  • the main body 10 is oriented in a plane perpendicular to the output axis (A), and the support 11 is offset from the plane of the main body 10.
  • This main body 10 and this support 11 are connected by a bridge (12).
  • this threaded zone 4 cooperates with the fixing means, such as a nut, to allow the fixing of the protective member 3. As shown can see it more precisely on the figure 1 and 3 , this threaded zone 4 is provided with an opening 13 allowing the passage of the bridge 12. This opening 13 is configured to allow the rotation of this bridge 12 around the output axis A over an angular distance corresponding to the passage of the spacer 5 from the first to the second position.
  • This compensation ring 15 makes it possible in particular to compensate for deformations of the protection member 3 and/or of the spacer 5, or the wear of these parts, which would disturb their correct positioning.
  • the spacer 5 and the compensation ring 15 can be combined in a single piece.
  • the spacer 5 can also perform the function of the compensation ring.
  • the invention is not limited to a machine in which the safety system is based on contact elements 6, 7 of a specific type such as a coded magnetic actuator and sensor.
  • the invention is not limited either to a machine in which the transformation member allows a specific transformation, such as cutting, chopping or extrusion.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP22173125.0A 2021-05-12 2022-05-12 Maschine zur verarbeitung eines produkts, insbesondere zum schneiden und/oder hacken von fleisch Pending EP4088817A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2105023 2021-05-12

Publications (1)

Publication Number Publication Date
EP4088817A1 true EP4088817A1 (de) 2022-11-16

Family

ID=76523151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22173125.0A Pending EP4088817A1 (de) 2021-05-12 2022-05-12 Maschine zur verarbeitung eines produkts, insbesondere zum schneiden und/oder hacken von fleisch

Country Status (1)

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EP (1) EP4088817A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020084368A1 (en) * 2000-10-31 2002-07-04 Jurgen Bernhardt Safety systems for grinding machines
EP2471601A1 (de) * 2010-12-28 2012-07-04 La Felsinea S.r.L. Automatisierte Sicherheitsvorrichtung für Zerkleinerungsmaschinen
EP3680019A1 (de) * 2019-01-11 2020-07-15 Dadaux Schneidmaschine mit einem verriegelungssystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020084368A1 (en) * 2000-10-31 2002-07-04 Jurgen Bernhardt Safety systems for grinding machines
EP2471601A1 (de) * 2010-12-28 2012-07-04 La Felsinea S.r.L. Automatisierte Sicherheitsvorrichtung für Zerkleinerungsmaschinen
EP3680019A1 (de) * 2019-01-11 2020-07-15 Dadaux Schneidmaschine mit einem verriegelungssystem

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