EP4091719A1 - 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
EP4091719A1
EP4091719A1 EP22173128.4A EP22173128A EP4091719A1 EP 4091719 A1 EP4091719 A1 EP 4091719A1 EP 22173128 A EP22173128 A EP 22173128A EP 4091719 A1 EP4091719 A1 EP 4091719A1
Authority
EP
European Patent Office
Prior art keywords
transformation
determined
detection element
protection member
motor
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
EP22173128.4A
Other languages
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 EP4091719A1 publication Critical patent/EP4091719A1/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
    • B02C18/301—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
    • 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
    • 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 fastening means such as 'a nut. Between the nut and the grid is generally inserted a compensation ring which compensates for any 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 aim 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 liable 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 protection member comprising at least one specific part, made of magnetic and/or electrically conductive material, fixed by fixing means and intended to prevent a user from accessing to the transformation zone, and a security system comprising an electrical circuit connected to the control device, the security system being configured to authorize, via the cir cooked electrically, the operation of the motor only when the presence of the protective member in at least one determined protective position is detected.
  • the safety system comprises a detection support made of non-magnetic material arranged on the machine, and the electrical circuit comprises the determined part of the protection member and at least one detection element, capable of detecting the presence of a magnetic body. and/or electrical conductor located in a given position relative to the detection element, this said detection element being housed in the detection support and configured to cooperate with the determined part of the protection member so as to 'authorizing or preventing the operation of the engine according to the relative position of the determined part of the protective member with respect to the detection element, the determined protective position of the protective member corresponding to a relative position of the determined part of the protection member with respect to the detection element in which the operation of the motor is authorized.
  • 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 in 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 member 2 Arranged at least in part in the transformation zone 1, there is a transformation member 2.
  • this transformation member 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 endless mincing or extrusion screws.
  • 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 level of 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 made of magnetic and/or electrically conductive material, or has at least a determined part made of magnetic material and/or conductor of electricity. It is intended to prevent a user from gaining access to processing zone 1. In the case of a grid or perforated plate, it can contribute at the same time to the processing or working of the product.
  • a security system 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 electric circuit, the latter comprising, among other elements, the part made of magnetic material of the protective member 3 and an element 6, which will be presented later.
  • the numerical references 3, 6 are assigned to this electric circuit since only the elements 3, 6 of this circuit are shown in the figures.
  • This electrical circuit 3, 6 is connected to the engine operation control device.
  • the safety system is configured to authorize, via the electric circuit 3, 6, 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 also comprises a detection support 5.
  • This detection support 5 is an element at least partly made of non-magnetic material (plastic or composite for example). It is placed on the machine, precisely at the exit 16 of the transformation zone in the example shown in the figures.
  • the electrical circuit comprises the determined part of the protection member 3, and one or more detection element(s) 6 (the singular is used in the remainder of the description to simplify the wording).
  • This detection element 6 is capable of detecting the presence of a magnetic and/or electrically conductive body located in a given position relative to the detection element 6, and is housed in the detection support 5.
  • This detection element 6 is configured to cooperate with the determined part of the protection member 3 so as to authorize or prevent the operation of the engine according to the relative position of the determined part of the protection member 3 relative to the detection element 6.
  • the determined protective position of the protective member 3 corresponds to a relative position of the determined part of the protective member 3 with respect to the detection element 6, in which the operation of the motor is authorized.
  • the protective element 6 cooperates with the determined part of the protective member 3 so as to allow the operation of the engine, therefore the actuation of the transformation member 2.
  • the protective element 6 cooperates with the determined part of the protective member 3 so to prevent the operation of the motor, and therefore the actuation of the transformation member 2.
  • the detection element 6 is configured to cooperate with the determined part of the protective device 3, so as to close the electrical circuit 3, 6 when the protective device 3 is in the determined protective position, and so as to open the electrical circuit 3, otherwise.
  • the detection element 6 detects the determined part of the protective member 3, which has the effect of closing the electrical circuit 3, 6, which then leads the control device to allow the operation of the motor, therefore the actuation of the transformation member 2.
  • the detection element 6 no longer detects the determined part of the protection member 3, which has the effect of opening the electrical circuit 3, 6, which then leads 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 3, 6 when the detection element 6 detects the determined part of the protection member 3, and a closing of this electrical circuit 3, 6 when the detection element 6 no longer detects the determined part of the protection member 3.
  • the control device is configured to authorize operation of the motor when the electrical circuit 3, 6 is open, and to prevent operation of the motor when the electrical circuit 3, 6 is closed.
  • the detection element 6 can be of the Hall effect sensor or probe type.
  • the detection element 6 when the detection element 6 is in contact with, or sufficiently close to the determined part of the protection member 3, it detects the magnetic field produced, which generates a voltage (Hall effect).
  • the determined protection position of the protection member 3 corresponds to a contact position of the detection element 6 with the determined part of the protection member 3, or a position of sufficient proximity between the detection element 6 and the determined part of the protection member 3. Furthermore, any other position of the protection member 3 than the determined protection position corresponds to a position of absence of contact of the detection element 6 with the determined part of the protection member 3, or an insufficient proximity position between the detection element 6 and the determined part of the protection member 3.
  • the protection position of the protection member 3 corresponds to a position of absence of contact of the detection element 6 with the determined part of the protection member 3, or a position of insufficient proximity between the detection element 6 and the determined part of the protective member 3. Furthermore, any other position of the protective member 3 than the determined protective position corresponds to a contact position of the detection element 6 with the determined part of the protection member 3, or a position of sufficient proximity between the detection element 6 and the determined part of the protection member 3.
  • the zone of the transformation zone 1 has, as mentioned above, an outlet 16.
  • This opening 8 is positioned and configured to allow the detection by the detection element 6 of the presence of the determined part of the protective member 3 in the determined protective position of this protective member 3.
  • the outlet 16 is substantially circular or has a substantially cylindrical shape, centered on an output axis (A).
  • the protective device 3 is then centered around the exit axis A so as to prevent a user from accessing the transformation zone 1 through this exit 16.
  • the detection support 5 has a reception part 9, made of non-magnetic material (for example plastic, or composite), and an arm 10 connected to the reception part 9.
  • the detection element 6 is housed in the part of reception 9.
  • the receiving part 9 is housed in the opening 8.
  • the arm 10 protrudes from the machine. In the example shown in the figures, it protrudes along the outlet 16 of the transformation zone 1.
  • This arm 9 has a longitudinal axis (B) oriented substantially parallel to the outlet axis (A).
  • the detection support 5 is then configured to allow its removal from the opening 8, by pivoting the arm 10 around the longitudinal axis (B), which allows access to the transformation zone 1 for cleaning, for example. .
  • the protective member 3 is provided with a key 11 which cooperates with a groove (not shown) at its outlet 16 to ensure the angular positioning of the protective member 3 with respect to this outlet 16 of the zone of conversion 1.
  • the protection member may be provided with a groove which cooperates with a key formed at the outlet 16.
  • the outlet 16 of the transformation zone 1 has a threaded zone 4.
  • This threaded zone 4 cooperates with the fixing means (not shown), such as a nut, to allow the fixing of the protection member 3.
  • these fastening 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 .
  • a compensation ring can be provided, such as the compensation ring 15 of the figure 1 , mounted interposed between the protective member 3 and the means of fixing, such as the nut 17 of the figure 1 .
  • This compensation ring makes it possible in particular to compensate for deformations of the protective member 3 which would disrupt their proper positioning.
  • the invention is not limited to a machine in which the safety system is based on a detection element 6 of a specific type such as a Hall effect 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)
EP22173128.4A 2021-05-12 2022-05-12 Maschine zur verarbeitung eines produkts, insbesondere zum schneiden und/oder hacken von fleisch Pending EP4091719A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2105025 2021-05-12

Publications (1)

Publication Number Publication Date
EP4091719A1 true EP4091719A1 (de) 2022-11-23

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ID=76730776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22173128.4A Pending EP4091719A1 (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) EP4091719A1 (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
DE202017105549U1 (de) * 2017-09-13 2017-11-06 Vemag Maschinenbau Gmbh Vorrichtung zum Fördern und Bearbeiten von Lebensmitteln und betreffendes Betriebsverfahren
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
DE202017105549U1 (de) * 2017-09-13 2017-11-06 Vemag Maschinenbau Gmbh Vorrichtung zum Fördern und Bearbeiten von Lebensmitteln und betreffendes Betriebsverfahren
EP3680019A1 (de) * 2019-01-11 2020-07-15 Dadaux Schneidmaschine mit einem verriegelungssystem

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