WO2011148077A1 - Device for introducing an animal hide into a splitting machine - Google Patents

Device for introducing an animal hide into a splitting machine Download PDF

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Publication number
WO2011148077A1
WO2011148077A1 PCT/FR2011/051101 FR2011051101W WO2011148077A1 WO 2011148077 A1 WO2011148077 A1 WO 2011148077A1 FR 2011051101 W FR2011051101 W FR 2011051101W WO 2011148077 A1 WO2011148077 A1 WO 2011148077A1
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WO
WIPO (PCT)
Prior art keywords
conveyor belt
skin
structural element
slitting machine
guide member
Prior art date
Application number
PCT/FR2011/051101
Other languages
French (fr)
Inventor
Jérôme Darragon
Didier Chambon
Original Assignee
Ctc
Turner Sas
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 Ctc, Turner Sas filed Critical Ctc
Priority to EP11727218.7A priority Critical patent/EP2576842A1/en
Publication of WO2011148077A1 publication Critical patent/WO2011148077A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/02—Fleshing, unhairing, samming, stretching-out, setting-out, shaving, splitting, or skiving skins, hides, or leather
    • C14B1/14—Fleshing, unhairing, samming, stretching-out, setting-out, shaving, splitting, or skiving skins, hides, or leather using tools cutting the skin in a plane substantially parallel to its surface
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
    • C14B17/06—Work feeding or clamping devices

Definitions

  • the present invention relates to a device for introducing an animal skin for mach ine to slit as well as a slitting machine comprising such a device.
  • the slitting is conventionally carried out on an animal skin said tripe, that is to say a skin not tanned and having undergone a river work consisting of a succession of operations including soaking, pelanage, fleshing, mixing and pickling.
  • skin will be understood to mean an animal skin made of tripe.
  • Slitting consists of cutting the skin in its thickness in order to separate the flower and the crust.
  • the introduction of a skin into a slitting machine requires a prior flat lay of the skin to obtain sufficient cutting accuracy.
  • the introduction of the skin into the slitting machine is a delicate step insofar as this step must be performed quickly because the skin is putrescible.
  • this introduction step is painful for operators having to handle the skin which is heavy, slippery and flaccid.
  • this introduction step is dangerous with the risk of personal accident by the presence of an extremely sharp blade near the operators.
  • Such a device does not ensure a very flat position of the skin. It is the operators who must ensure such an arrangement of the skin, usually manually, which is detrimental in terms of operating time and difficulty, especially when the area of the skin is important.
  • the present invention aims to remedy the aforementioned drawbacks and relates to a device for introducing an animal skin for a slitting machine, remarkable in that it comprises:
  • a first structural element comprising a carrier surface having a first portion, preferably substantially horizontal, and a second descending portion;
  • a first treadmill mounted on the first structural element, and arranged to move the skin of the first part of the bearing surface towards the second part of the bearing surface, the first treadmill having an inlet portion and an outlet portion extends respectively on the first and the second portion of the carrier surface, said inlet portion being intended to receive the skin and said outlet portion being intended to cooperate with the slitting machine,
  • a second conveyor belt mounted on the second structural element, the second conveyor belt having a so-called holding portion, arranged so as to press the skin against the outlet portion of the first conveyor belt when the skin is on said portion of exit.
  • such a holding portion of the second treadmill makes it possible to ensure a flat lay of the skin without heavy operations by operators, which in this way makes it possible to reduce the arduousness and the time of operation, in particular when the area of the skin is important.
  • the second descending portion of the carrier surface on which is mounted the output portion of the first conveyor belt allows to evacuate a large part of the moisture of the skin by gravity.
  • the holding portion of the second conveyor belt extends substantially along the output portion of the first conveyor belt.
  • Such a holding portion ensures a regular and uniform plating of the skin against the output portion of the first conveyor belt.
  • the second structural element is movable relative to the first structural element between:
  • the first and second conveyor belts respectively have a first and a second drive speed, the second drive speed being preferably greater than the first drive speed.
  • the relative movement between the first and the second conveyor belt makes it possible to stretch the skin and to ensure a tension of the skin, and thus to limit the risk of wrinkling of the skin.
  • the device comprises at least one skin guide member, preferably made of polytetrafluoroethylene, mounted on the first structural element, the or each guide member having a guide surface extending in the extension. of the output portion of the first conveyor belt.
  • Such a guide member prevents any return of the skin under the first conveyor belt.
  • polytetrafluoroethylene is preferably used for its release properties to prevent tearing of the skin.
  • the or each guide member is realisé in the form of a n beak preferably having a substantially triangular cross section.
  • the present invention also relates to a remarkable slitting machine in that it comprises a device according to the invention.
  • the slitting machine comprises: an input table arranged to cooperate with the output portion of the first conveyor belt so as to receive the skin,
  • At least one skin guiding member preferably made of polytetrafluoroethylene, mounted on the entry table, the or each guiding member having a guiding surface extending in the extension of the outlet portion of the first mat rolling.
  • a guide member prevents any return of the skin under the first conveyor belt.
  • the or each guide member is in the form of a spout preferably having a substantially triangular cross section.
  • the slitting machine comprises:
  • the first and second treadmills are preferably mounted and a driving cycle is provided, the second driving speed being preferably greater than the first training speed
  • At least one skin drive cylinder disposed near the exit portion of the first conveyor belt, and having a driving speed greater than the first and second respective driving speeds of the first and second conveyor belt.
  • FIG. 1 is a side view of a device according to the invention
  • FIG. 2 is a perspective view of the device illustrated in FIG.
  • FIG. 3 is a partial view of a splitting machine according to the invention comprising the device illustrated in FIGS. 1 and 2,
  • FIG. 4 is an enlarged view of an input table equipping the splitting machine illustrated in FIG.
  • the device illustrated in FIGS. 1 and 2 comprises:
  • a first lower structure element 1 comprising a port surface having a substantially horizontal first portion and a second descending portion 101;
  • a first treadmill 3 mounted on the first structural element 1, and arranged to move a skin 4 of the first part 100 of the carrier surface 1 0 towards the second part 101 of the carrier surface 1 0, the first carpet having an inlet portion 30 and an outlet portion 31 respectively extending over the first and second portions 100, 101 of the carrier surface 10, said inlet portion 30 receiving the skin 4 and the said portion output 31 co-operating with an input table 60 of a splitting machine 6 (illustrated in FIG. 3),
  • a second conveyor belt 5 mounted on the second structural element 2, the second conveyor belt 5 having a holding portion 50, arranged so as to press the skin 4 located on the outlet portion 31 of the first conveyor belt 3 against said output portion 31.
  • the first structural element 1 may be equipped with rollers 1 1 cooperating with guide rails 12.
  • the portion of the support 50 of the second conveyor belt 5 extends substantially along the outlet portion 31 of the first conveyor belt 3.
  • the first and second treadmills 3, 5 may be provided with cavities (not shown) for improving the adhesion of the skin 4 to the first and second treadmills 3, 5.
  • the movement back and forth of the first treadmill 3 is ensured by:
  • the input portion 30 and the output portion 31 of the first treadmill 3 as well as the holding portion 50 of the second treadmill 5 are defined at a given moment, during the movement back and forth of the first and second treadmill 3, 5.
  • the second structural element 2 is pivotally mounted on the first structural element 1 between:
  • the opening angle makes it possible to improve the spreading of the skin 4 between the holding portion 50 of the second treadmill 5 and the outlet portion
  • the opening angle is chosen according to the thickness of the skin 4.
  • the device comprises displacement means of the second structural element 2 comprising actuators 20 (only one is shown), of the hydraulic type, arranged to move the second structural element 2 between the first position and each adjustment position. .
  • the first and the second treadmill 3, 5 respectively have a first and a second drive speed respectively controlled by the first and the second electric motor.
  • the device comprises a control panel 8 for controlling the first and the second driving speed of the first and second conveyor belt 3, 5.
  • the second drive speed is chosen to be greater than the first drive speed.
  • the first drive speed is of the order of 7.5 m / min while the second drive speed is of the order of 7.9 m / min.
  • the device further comprises a cylinder 34 with a helical blade
  • Such Indre cylinder 34 with ic ic blade allows to exert pressure on the skin 4 against the input portion 30 of the first mat rolling 3 after the skin is plated by the holding portion 50 of the second treadmill 5.
  • Such a cylinder 34 helical blade allows to stretch the skin 4 along the axis of the cylinder lash 34 helicoidal blade. Once the helical blade cylinder 34 is actuated, operators no longer need to spread the skin manually. Operators can therefore prepare the next skin, thereby increasing the rate and productivity.
  • the splitting machine 6 illustrated in FIGS. 3 and 4 comprises:
  • an input table 60 arranged to cooperate with the output portion 31 of the first conveyor belt 3 so as to receive the skin 4,
  • a guide nozzle 7 of the skin 4 mounted on the input table 60, and having a beveled guiding surface 70 extending in the extension of the outlet portion 31 of the first treadmill 3,
  • an upper driving cylinder 61 of the skin 4 disposed near the holding portion 50 of the second treadmill 5, and having a driving speed greater than the first and the second respective driving speed of the first and second of the second treadmill 3, 5,
  • a lower support cylinder 62 of the skin 4 having a direction of rotation opposite to the drive cylinder 61.
  • the driving speed of a driving cylin- dle 61 is of the order of 10.5 m / min.
  • the guide spout 7 has a triangular cross section.
  • the guide nozzle 7 may be made of polytetrafluoroethylene.
  • the guide nose 7 is mounted on the first structural element 1 of the device.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Rehabilitation Tools (AREA)
  • Processing Of Meat And Fish (AREA)

Abstract

This device comprises a first structural element (1) comprising a bearing surface (10) having a horizontal first part (100) and a downwardly-angled second part (101), a second structural element (2) surmounting the second part (101) of the bearing surface (10), a first conveyer belt (3) mounted on the first structural element (1) and having an entry portion (30) and an exit portion (31) extending respectively over the first and second part (100, 101) of the bearing surface (10), a second conveyer belt (5) mounted on the second structural element (2), the second conveyer belt (5) having a portion, known as the holding portion (50), designed to press the hide (4) firmly against the exit portion (31) of the first conveyer belt (3) when the hide (4) is on the said exit portion (31).

Description

Dispositif d'introduction d'une peau animale pour machine à refendre  Device for introducing an animal skin for a slitting machine
La présente invention se rapporte à un dispositif d'introduction d'une peau animale pour mach ine à refendre ainsi qu'à une machine à refendre comportant un tel dispositif. The present invention relates to a device for introducing an animal skin for mach ine to slit as well as a slitting machine comprising such a device.
Le refendage s'effectue classiquement sur une peau animale dite en tripe, c'est-à-dire une peau non tannée et ayant subi un travail de rivière consistant en une succession d'opérations comprenant le trempage, le pelanage, l'écharnage, le confitage et le picklage.  The slitting is conventionally carried out on an animal skin said tripe, that is to say a skin not tanned and having undergone a river work consisting of a succession of operations including soaking, pelanage, fleshing, mixing and pickling.
Par suite, on entendra par « peau » une peau animale en tripe. As a result, "skin" will be understood to mean an animal skin made of tripe.
Le refendage consiste à couper la peau dans son épaisseur afin d'en séparer la fleur et la croûte. L'introduction d'une peau dans une machine à refendre nécessite préalablement une disposition bien à plat de la peau afin d'obtenir une précision de coupe suffisante. Slitting consists of cutting the skin in its thickness in order to separate the flower and the crust. The introduction of a skin into a slitting machine requires a prior flat lay of the skin to obtain sufficient cutting accuracy.
L'introduction de la peau dans la machine à refendre est une étape délicate dans la mesure où cette étape doit être réalisée rapidement car la peau est putrescible. En outre, cette étape d'introduction est pénible pour des opérateurs devant manipuler la peau qui est lourde, glissante et flasque. De surcroît, cette étape d'introduction est dangereuse avec des risques d'accident de personne de par la présence d'une lame extrêmement coupante à proximité des opérateurs.  The introduction of the skin into the slitting machine is a delicate step insofar as this step must be performed quickly because the skin is putrescible. In addition, this introduction step is painful for operators having to handle the skin which is heavy, slippery and flaccid. In addition, this introduction step is dangerous with the risk of personal accident by the presence of an extremely sharp blade near the operators.
Il est connu de l'état de la technique d'utiliser un tapis roulant sensiblement horizontal relié à une table d'entrée de la machine à refendre. Ainsi, les opérateurs peuvent déposer en toute sécurité la peau sur le tapis roulant qui va alimenter en peau la machine à refendre.  It is known from the state of the art to use a substantially horizontal treadmill connected to an input table of the slitting machine. Thus, operators can safely deposit the skin on the treadmill that will feed skin to the slitting machine.
Un tel dispositif ne permet pas d'assurer une disposition bien à plat de la peau. Ce sont les opérateurs qui doivent assurer une telle disposition de la peau, généralement manuellement, ce qui est préjudiciable en termes de temps d'opération et de pénibilité, en particulier lorsque la superficie de la peau est importante.  Such a device does not ensure a very flat position of the skin. It is the operators who must ensure such an arrangement of the skin, usually manually, which is detrimental in terms of operating time and difficulty, especially when the area of the skin is important.
En outre, la peau fortement humide, en raison du travail de rivière préalable, présente des risques importants de froissement durant son déplacement du tapis roulant vers la table d'entrée de la machine à refendre. La présente invention vise à remédier aux inconvénients précités et concerne un dispositif d'introduction d'une peau animale pour machine à refendre, remarquable en ce qu'il comporte : In addition, the heavily wet skin, due to the pre-river work, presents significant risks of creasing during its movement from the conveyor belt to the input table of the slitting machine. The present invention aims to remedy the aforementioned drawbacks and relates to a device for introducing an animal skin for a slitting machine, remarkable in that it comprises:
- un prem ier élément de structure comprenant u ne su rface porteuse présentant une prem ière partie, de préférence sensiblement horizontale, et une seconde partie descendante,  a first structural element comprising a carrier surface having a first portion, preferably substantially horizontal, and a second descending portion;
- un second élément de structure surmontant la seconde partie de la surface porteuse,  a second structural element surmounting the second part of the carrier surface,
- un prem ier tapis roulant monté sur le prem ier élément de structure, et agencé pour déplacer la peau de la première partie de la surface porteuse vers la seconde partie de la surface porteuse, le premier tapis roulant présentant u ne portion d 'entrée et u n e portion de sortie s'étend ant respectivement sur la première et la seconde partie de la surface porteuse, ladite portion d'entrée étant destinée à recevoir la peau et ladite portion de sortie étant destinée à coopérer avec la machine à refendre,  a first treadmill mounted on the first structural element, and arranged to move the skin of the first part of the bearing surface towards the second part of the bearing surface, the first treadmill having an inlet portion and an outlet portion extends respectively on the first and the second portion of the carrier surface, said inlet portion being intended to receive the skin and said outlet portion being intended to cooperate with the slitting machine,
- un second tapis roulant monté sur le second élément de structure, le second tapis roulant présentant une portion, dite de maintien, agencée de manière à plaquer la peau contre la portion de sortie du premier tapis roulant lorsque la peau se trouve sur ladite portion de sortie.  a second conveyor belt mounted on the second structural element, the second conveyor belt having a so-called holding portion, arranged so as to press the skin against the outlet portion of the first conveyor belt when the skin is on said portion of exit.
Ainsi, une telle portion de maintien du second tapis roulant permet d'assurer une disposition bien à plat de la peau sans interventions lourdes d'opérateurs, ce qui permet par là-même de réduire la pénibilité et le temps d'opération, en particulier lorsque la superficie de la peau est importante.  Thus, such a holding portion of the second treadmill makes it possible to ensure a flat lay of the skin without heavy operations by operators, which in this way makes it possible to reduce the arduousness and the time of operation, in particular when the area of the skin is important.
En outre, la seconde partie descendante de la surface porteuse sur laquelle est montée la portion de sortie du premier tapis roulant permet d'évacuer une grande partie de l'humidité de la peau par gravité.  In addition, the second descending portion of the carrier surface on which is mounted the output portion of the first conveyor belt allows to evacuate a large part of the moisture of the skin by gravity.
Avantageusement, la portion de maintien du second tapis roulant s'étend sensiblement le long de la portion de sortie du premier tapis roulant.  Advantageously, the holding portion of the second conveyor belt extends substantially along the output portion of the first conveyor belt.
Ainsi, une telle portion de maintien permet d'assurer un plaquage régulier et homogène de la peau contre la portion de sortie du premier tapis roulant.  Thus, such a holding portion ensures a regular and uniform plating of the skin against the output portion of the first conveyor belt.
Dans un mode de réalisation, le second élément de structure est mobile relativement au premier élément de structure entre :  In one embodiment, the second structural element is movable relative to the first structural element between:
- une première position dans laquelle la portion de maintien du second tapis roulant et la portion de sortie du premier tapis roulant sont sensiblement parallèles, et - au moins une deuxième position dite de réglage dans laquelle la portion de maintien du second tapis roulant et la portion de sortie du premier tapis roulant présentent un angle d'ouverture. a first position in which the holding portion of the second treadmill and the output portion of the first treadmill are substantially parallel, and at least a second so-called adjustment position in which the holding portion of the second conveyor belt and the output portion of the first conveyor belt have an opening angle.
Ainsi, un tel angle d'ouverture permet d'améliorer l'étalement de la peau entre la portion de maintien du second tapis roulant et la portion de sortie du premier tapis roulant.  Thus, such an opening angle improves the spreading of the skin between the holding portion of the second conveyor belt and the output portion of the first conveyor belt.
Avantageusement, le premier et le second tapis roulant présentent respectivement une prem ière et une seconde vitesse d'entraînement, la seconde vitesse d'entraînement étant de préférence supérieure à la première vitesse d'entraînement.  Advantageously, the first and second conveyor belts respectively have a first and a second drive speed, the second drive speed being preferably greater than the first drive speed.
Ainsi, le mouvement relatif entre le premier et le second tapis roulant permet d'étirer la peau et d'assurer une tension de la peau, et par là- même de limiter les risques de froissement de la peau.  Thus, the relative movement between the first and the second conveyor belt makes it possible to stretch the skin and to ensure a tension of the skin, and thus to limit the risk of wrinkling of the skin.
Dans un mode de réalisation, le dispositif comporte au moins un organe de guidage de la peau, de préférence réalisé en polytétrafluoroéthylène, monté sur le premier élément de structure, le ou chaque organe de guidage présentant une surface de guidage s'étendant dans le prolongement de la portion de sortie du premier tapis roulant.  In one embodiment, the device comprises at least one skin guide member, preferably made of polytetrafluoroethylene, mounted on the first structural element, the or each guide member having a guide surface extending in the extension. of the output portion of the first conveyor belt.
Ainsi, un tel organe de guidage permet d'éviter tout retour de la peau sous le premier tapis roulant.  Thus, such a guide member prevents any return of the skin under the first conveyor belt.
En outre, le polytétrafluoroéthylène est de préférence utilisé pour ses propriétés anti-adhésives afin d'éviter le déchirement de la peau.  In addition, polytetrafluoroethylene is preferably used for its release properties to prevent tearing of the skin.
Selon une forme d'exécution, le ou chaque organe de guidage est réal isé sous la forme d 'u n bec présentant de préférence une section transversale sensiblement triangulaire.  According to one embodiment, the or each guide member is realisé in the form of a n beak preferably having a substantially triangular cross section.
La présente invention se rapporte également à une machine pour refendre remarquable en ce qu'elle comporte un dispositif conforme à l'invention.  The present invention also relates to a remarkable slitting machine in that it comprises a device according to the invention.
Dans un mode de réalisation, la machine à refendre comporte : - une table d'entrée agencée pour coopérer avec la portion de sortie du premier tapis roulant de manière à recevoir la peau,  In one embodiment, the slitting machine comprises: an input table arranged to cooperate with the output portion of the first conveyor belt so as to receive the skin,
- au moins un organe de guidage de la peau, de préférence réalisé en polytétrafluoroéthylène, monté sur la table d'entrée, le ou chaque organe de guidage présentant une surface de guidage s'étendant dans le prolongement de la portion de sortie du premier tapis roulant. Ainsi, un tel organe de guidage permet d'éviter tout retour de la peau sous le premier tapis roulant. at least one skin guiding member, preferably made of polytetrafluoroethylene, mounted on the entry table, the or each guiding member having a guiding surface extending in the extension of the outlet portion of the first mat rolling. Thus, such a guide member prevents any return of the skin under the first conveyor belt.
Selon une forme d'exécution, le ou chaque organe de guidage est réalisé sous la forme d'un bec présentant de préférence une section transversale sensiblement triangulaire.  According to one embodiment, the or each guide member is in the form of a spout preferably having a substantially triangular cross section.
Dans un mode de réalisation, la machine à refendre comporte : In one embodiment, the slitting machine comprises:
- un dispositif dans lequel le prem ier et le second tapis roulant p ré se n te n t res pect i ve m e n t u n e p re m i è re et u n e s eco n d e v ites se d'entraînement, la seconde vitesse d'entraînement étant de préférence supérieure à la première vitesse d'entraînement, a device in which the first and second treadmills are preferably mounted and a driving cycle is provided, the second driving speed being preferably greater than the first training speed,
- au moins un cyl indre d'entraînement de la peau disposé à proximité de la portion de sortie du premier tapis roulant, et présentant une vitesse d'entraînement supérieure à la première et à la seconde vitesse d'entraînement respective du premier et du second tapis roulant.  at least one skin drive cylinder disposed near the exit portion of the first conveyor belt, and having a driving speed greater than the first and second respective driving speeds of the first and second conveyor belt.
Ainsi , une tel le différence de vitesse d'entraînement entre le cylindre d'entraînement et les prem ier et second tapis roulants permet de conférer audit cylindre un effet de décrassage pour nettoyer la peau.  Thus, such a difference in drive speed between the drive cylinder and the first and second treadmills provides the cylinder with a scrubbing effect to clean the skin.
En outre, les risques de marquer la peau avec un tel cylindre d'entraînement sont limités car son action est complétée par le plaquage de la peau entre la portion de maintien du second tapis roulant et la portion de sortie du premier tapis roulant. Il en résulte que le réglage en pression d'un tel cylindre d'entraînement est beaucoup plus faible que pour une machine à refendre tradionnelle.  In addition, the risk of marking the skin with such a drive cylinder is limited because its action is completed by the plating of the skin between the holding portion of the second conveyor belt and the output portion of the first conveyor belt. As a result, the pressure setting of such a drive cylinder is much lower than for a traditional slitter.
D'autres caractéristiques et avantages apparaîtront dans la description qui va suivre d'un mode de réalisation d'un dispositif d'introduction d'une peau animale pour machine à refendre selon l'invention ainsi que d'un mode de réalisation d'une machine à refendre selon l'invention, donnés à titre d'exemples non limitatifs, en référence aux dessins annexés dans lesquels :  Other features and advantages will appear in the following description of an embodiment of an animal skin introduction device for slitting machine according to the invention and an embodiment of a slitting machine according to the invention, given by way of non-limiting example, with reference to the appended drawings in which:
- la figure 1 est une vue de côté d'un dispositif selon l'invention, - la figure 2 est une vue en perspective du dispositif illustré à la figure 1 ,  FIG. 1 is a side view of a device according to the invention, FIG. 2 is a perspective view of the device illustrated in FIG.
- la figure 3 est une vue partielle d'une machine à refendre selon l'invention comportant le dispositif illustré aux figures 1 et 2,  FIG. 3 is a partial view of a splitting machine according to the invention comprising the device illustrated in FIGS. 1 and 2,
- la figure 4 est une vue agrandie d'une table d'entrée équipant la machine à refendre illustrée à la figure 3. Le dispositif illustré aux figures 1 et 2 comporte : FIG. 4 is an enlarged view of an input table equipping the splitting machine illustrated in FIG. The device illustrated in FIGS. 1 and 2 comprises:
- un prem ier élément de structure 1 inférieur comprenant une su rface porteu se 1 0 présentant u ne prem ière partie 100 sensiblement horizontale et une seconde partie 101 descendante,  a first lower structure element 1 comprising a port surface having a substantially horizontal first portion and a second descending portion 101;
- u n second élément de structu re 2 su périeur su rmontant la seconde partie 101 de la surface porteuse 10,  a second structural element 2 above which overlaps the second portion 101 of the carrier surface 10,
- un prem ier tapis roulant 3 monté su r le prem ier élément de structure 1 , et agencé pour déplacer une peau 4 de la première partie 100 de la surface porteuse 1 0 vers la seconde partie 101 de la surface porteuse 1 0, le premier tapis présentant une portion d'entrée 30 et une portion de sortie 31 s'étendant respectivement sur la première et la seconde partie 100, 101 de la surface porteuse 1 0, lad ite portion d'entrée 30 recevant la peau 4 et lad ite portion de sortie 31 coopérant avec une table d'entrée 60 d'une machine à refendre 6 (illustrée à la figure 3),  a first treadmill 3 mounted on the first structural element 1, and arranged to move a skin 4 of the first part 100 of the carrier surface 1 0 towards the second part 101 of the carrier surface 1 0, the first carpet having an inlet portion 30 and an outlet portion 31 respectively extending over the first and second portions 100, 101 of the carrier surface 10, said inlet portion 30 receiving the skin 4 and the said portion output 31 co-operating with an input table 60 of a splitting machine 6 (illustrated in FIG. 3),
- u n second tapis roul ant 5 monté sur le second élément de structure 2, le second tapis roulant 5 présentant une portion de maintien 50, agencée de manière à plaquer la peau 4 se trouvant sur la portion de sortie 31 du premier tapis roulant 3 contre ladite portion de sortie 31 .  a second conveyor belt 5 mounted on the second structural element 2, the second conveyor belt 5 having a holding portion 50, arranged so as to press the skin 4 located on the outlet portion 31 of the first conveyor belt 3 against said output portion 31.
Le premier élément de structure 1 peut être équipé de galets 1 1 coopérant avec des rails de guidage 12.  The first structural element 1 may be equipped with rollers 1 1 cooperating with guide rails 12.
La portion de ma i ntien 50 d u second tapis rou l ant 5 s'étend sensiblement le long de la portion de sortie 31 du premier tapis roulant 3.  The portion of the support 50 of the second conveyor belt 5 extends substantially along the outlet portion 31 of the first conveyor belt 3.
Le prem ier et le second tapis roulant 3, 5 peuvent être munis d'alvéoles (non représentées) permettant d'améliorer l'adhérence de la peau 4 sur le premier et le second tapis roulant 3, 5.  The first and second treadmills 3, 5 may be provided with cavities (not shown) for improving the adhesion of the skin 4 to the first and second treadmills 3, 5.
Le mouvement de va-et-vient du premier tapis roulant 3 est assuré par :  The movement back and forth of the first treadmill 3 is ensured by:
- un rou leau 32 entraîné en rotation pa r u n premier moteur électrique 320,  a wheel 32 driven in rotation by a first electric motor 320,
- deux rouleaux 33 montés libres en rotation sur le premier élément de structure 1 .  two rollers 33 mounted free to rotate on the first structural element 1.
Le mouvement de va-et-vient du second tapis roulant 5 est assuré par :  The movement back and forth of the second conveyor belt 5 is ensured by:
- u n rou leau 52 entraîné en rotation par un second moteur électrique 520, - deux rouleaux 53 montés libres en rotation sur le second élément de structure 2. a wheel 52 driven in rotation by a second electric motor 520, two rollers 53 mounted free to rotate on the second structural element 2.
Bien entendu, la portion d'entrée 30 et la portion de sortie 31 du prem ier tapis roulant 3 ainsi que la portion de maintien 50 du second tapis roulant 5 sont définies à un instant donné, lors du mouvement de va-et-vient du premier et du second tapis roulant 3, 5.  Of course, the input portion 30 and the output portion 31 of the first treadmill 3 as well as the holding portion 50 of the second treadmill 5 are defined at a given moment, during the movement back and forth of the first and second treadmill 3, 5.
Le second élément de structure 2 est monté pivotant sur le premier élément de structure 1 entre :  The second structural element 2 is pivotally mounted on the first structural element 1 between:
- une première position (illustrée aux figures 1 à 3) dans laquelle la portion de maintien 50 du second tapis roulant 5 et la portion de sortie 31 du premier tapis roulant 3 sont sensiblement parallèles, et  a first position (illustrated in FIGS. 1 to 3) in which the holding portion 50 of the second conveyor belt 5 and the outlet portion 31 of the first conveyor belt 3 are substantially parallel, and
- une pluralité de positions dite de réglage (non représentée) dans chacune desquelles la portion de maintien 50 du second tapis roulant 5 et la portion de sortie 31 du premier tapis roulant 3 présentent un angle d'ouverture.  a plurality of so-called adjustment positions (not shown) in each of which the holding portion 50 of the second conveyor belt 5 and the output portion 31 of the first conveyor belt 3 have an opening angle.
L'angle d'ouverture permet d'améliorer l'étalement de la peau 4 entre la portion de maintien 50 du second tapis roulant 5 et la portion de sortie The opening angle makes it possible to improve the spreading of the skin 4 between the holding portion 50 of the second treadmill 5 and the outlet portion
31 du premier tapis roulant 3. L'angle d'ouverture est choisi en fonction de l'épaisseur de la peau 4. 31 of the first treadmill 3. The opening angle is chosen according to the thickness of the skin 4.
A cet effet, le dispositif comporte des moyens de déplacement du second élément de structure 2 comprenant des actionneurs 20 (un seul est représenté), de type hydraulique, agencés pour déplacer le second élément de structure 2 entre la première position et chaque position de réglage.  For this purpose, the device comprises displacement means of the second structural element 2 comprising actuators 20 (only one is shown), of the hydraulic type, arranged to move the second structural element 2 between the first position and each adjustment position. .
Le premier et le second tapis roulant 3, 5 présentent respectivement une première et une seconde vitesse d'entraînement commandées respectivement par le premier et le second moteur électrique The first and the second treadmill 3, 5 respectively have a first and a second drive speed respectively controlled by the first and the second electric motor.
320, 520. A cet effet, le d ispositif comporte un pupitre 8 de contrôle de la première et de la seconde vitesse d'entraînement du premier et du second tapis roulant 3, 5. 320, 520. For this purpose, the device comprises a control panel 8 for controlling the first and the second driving speed of the first and second conveyor belt 3, 5.
La seconde vitesse d'entraînement est choisie de manière à être supérieure à la première vitesse d'entraînement. A titre d'exemple, la première vitesse d'entraînement est de l'ordre de 7,5 m/min tandis que la seconde vitesse d'entraînement est de l'ordre de 7,9 m/min.  The second drive speed is chosen to be greater than the first drive speed. For example, the first drive speed is of the order of 7.5 m / min while the second drive speed is of the order of 7.9 m / min.
Le dispositif comporte en outre un cylindre 34 à lame hélicoïdale The device further comprises a cylinder 34 with a helical blade
(non représenté à la figure 2) surmontant la portion d'entrée 30 du premier tapis roulant 3. Un tel cyl indre 34 à lame hél icoïdale permet d'exercer une pression sur la peau 4 contre la portion d'entrée 30 du premier tapis roulant 3 après que la peau est plaquée par la portion de maintien 50 du second tapis roulant 5. Un tel cylindre 34 à lame hélicoïdale permet d'étirer la peau 4 suivant l'axe du cyl indre 34 à lame hél icoïdale. Dès que le cylindre 34 à lame hélicoïdale est actionné, les opérateurs n'ont plus besoin d'étaler la peau manuellement. Les opérateurs peuvent donc préparer la peau suivante, augmentant par là-même la cadence et la productivité. (Not shown in Figure 2) overcoming the input portion 30 of the first conveyor belt 3. Such Indre cylinder 34 with ic ic blade allows to exert pressure on the skin 4 against the input portion 30 of the first mat rolling 3 after the skin is plated by the holding portion 50 of the second treadmill 5. Such a cylinder 34 helical blade allows to stretch the skin 4 along the axis of the cylinder indre 34 helicoidal blade. Once the helical blade cylinder 34 is actuated, operators no longer need to spread the skin manually. Operators can therefore prepare the next skin, thereby increasing the rate and productivity.
La machine à refendre 6 illustrée aux figures 3 et 4 comporte :  The splitting machine 6 illustrated in FIGS. 3 and 4 comprises:
- une table d'entrée 60 agencée pour coopérer avec la portion de sortie 31 du premier tapis roulant 3 de manière à recevoir la peau 4,  an input table 60 arranged to cooperate with the output portion 31 of the first conveyor belt 3 so as to receive the skin 4,
- un bec de guidage 7 de la peau 4, monté sur la table d'entrée 60, et présentant une surface de gu idage 70 biseautée s'étendant dans le prolongement de la portion de sortie 31 du premier tapis roulant 3,  a guide nozzle 7 of the skin 4, mounted on the input table 60, and having a beveled guiding surface 70 extending in the extension of the outlet portion 31 of the first treadmill 3,
- un cylindre d'entraînement 61 supérieur de la peau 4 disposé à proximité de la portion de maintien 50 du second tapis roulant 5, et présentant une vitesse d'entraînement supérieure à la première et à la seconde vitesse d'entraînement respective du premier et du second tapis roulant 3, 5,  an upper driving cylinder 61 of the skin 4 disposed near the holding portion 50 of the second treadmill 5, and having a driving speed greater than the first and the second respective driving speed of the first and second of the second treadmill 3, 5,
- un cylindre de support 62 inférieur de la peau 4 présentant un sens de rotation opposé au cylindre d'entraînement 61 .  - A lower support cylinder 62 of the skin 4 having a direction of rotation opposite to the drive cylinder 61.
A titre d 'exem pl e , l a vitesse d 'entraîn em ent d u cyl i nd re d'entraînement 61 est de l'ordre de 10,5 m/min.  By way of example, the driving speed of a driving cylin- dle 61 is of the order of 10.5 m / min.
Le bec de guidage 7 présente une section transversale triangulaire. Le bec de guidage 7 peut être réalisé en polytétrafluoroéthylène.  The guide spout 7 has a triangular cross section. The guide nozzle 7 may be made of polytetrafluoroethylene.
Selon un mode de réalisation non représenté, le bec de guidage 7 est monté sur le premier élément de structure 1 du dispositif.  According to an embodiment not shown, the guide nose 7 is mounted on the first structural element 1 of the device.
Bien entendu, les modes de réalisation de l'invention décrits ci- dessus ne présentent aucun caractère limitatif. Des détails et améliorations peuvent y être apportés dans d'autres variantes d'exécution sans pour autant sortir du cadre de l'invention.  Of course, the embodiments of the invention described above are not limiting in nature. Details and improvements can be made in other embodiments without departing from the scope of the invention.

Claims

REVENDICATIONS
1 . Dispositif d'introduction d'une peau (4) animale pour machine à refendre (6), caractérisé en ce qu'il comporte : 1. Device for introducing an animal skin (4) for a slitting machine (6), characterized in that it comprises:
- un premier élément de structure (1 ) comprenant une surface porteuse (10) présentant u ne prem ière partie (100), de préférence sensiblement horizontale, et une seconde partie (101 ) descendante,  a first structural element (1) comprising a bearing surface (10) having a first portion (100), preferably substantially horizontal, and a second descending portion (101),
- un second élément de structure (2) surmontant la seconde partie (101 ) de la surface porteuse (10),  a second structural element (2) surmounting the second portion (101) of the carrier surface (10),
- un premier tapis roulant (3) monté sur le premier élément de structure (1 ), et agencé pour déplacer la peau (4) de la première partie (100) de la surface porteuse (10) vers la seconde partie (101 ) de la surface porteuse (10), le premier tapis roulant (3) présentant une portion d'entrée (30) et une portion de sortie (31 ) s'étendant respectivement sur la première et la seconde partie (100, 101 ) de la surface porteuse (10), ladite portion d'entrée (30) étant destinée à recevoir la peau (4) et ladite portion de sortie (31 ) étant destinée à coopérer avec la machine à refendre (6),  a first treadmill (3) mounted on the first structural element (1), and arranged to move the skin (4) of the first part (100) of the carrier surface (10) towards the second part (101) of the bearing surface (10), the first conveyor belt (3) having an inlet portion (30) and an outlet portion (31) extending respectively over the first and second portions (100, 101) of the surface carrier (10), said inlet portion (30) being adapted to receive the skin (4) and said outlet portion (31) being intended to cooperate with the slitting machine (6),
- un second tapis roulant (5) monté sur le second élément de structure (2), le second tapis roulant (5) présentant une portion , dite de maintien (50), agencée de manière à plaquer la peau (4) contre la portion de sortie (31 ) du premier tapis roulant (3) lorsque la peau (4) se trouve sur ladite portion de sortie (31 ).  a second conveyor belt (5) mounted on the second structural element (2), the second conveyor belt (5) having a so-called holding portion (50) arranged to press the skin (4) against the portion outlet (31) of the first conveyor belt (3) when the skin (4) is on said outlet portion (31).
2. Dispositif selon la revendication 1 , caractérisé en ce que la portion de maintien (50) du second tapis roulant (5) s'étend sensiblement le long de la portion de sortie (31 ) du premier tapis roulant (3). 2. Device according to claim 1, characterized in that the holding portion (50) of the second conveyor belt (5) extends substantially along the output portion (31) of the first conveyor belt (3).
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le second élément de structure (2) est mobile relativement au premier élément de structure (1 ) entre : 3. Device according to claim 1 or 2, characterized in that the second structural element (2) is movable relative to the first structural element (1) between:
- une première position dans laquelle la portion de maintien (50) du second tapis roulant (5) et la portion de sortie (31 ) du premier tapis roulant (3) sont sensiblement parallèles, et  a first position in which the holding portion (50) of the second conveyor belt (5) and the output portion (31) of the first conveyor belt (3) are substantially parallel, and
- au moins une deuxième position dite de réglage dans laquelle la portion de maintien (50) du second tapis roulant (5) et la portion de sortie (31 ) du premier tapis roulant (3) présentent un angle d'ouverture. - At least a second so-called adjustment position in which the holding portion (50) of the second treadmill (5) and the output portion (31) of the first conveyor belt (3) have an opening angle.
4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le premier et le second tapis roulant (3, 5) présentent respectivement une prem ière et u n e second e vitesse d'entraînement, la seconde vitesse d'entraînement étant de préférence su périeu re à l a première vitesse d'entraînement. Device according to one of Claims 1 to 3, characterized in that the first and second conveyor belts (3, 5) have respectively a first and a second drive speed, the second drive speed being preferably at the first drive speed.
5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'il comporte au moins un organe de guidage (7) d e l a peau (4), d e préférence réalisé en polytétrafluoroéthylène, monté sur le premier élément de structure (1 ), le ou chaque organe de guidage (7) présentant une surface de guidage (70) s'étendant dans le prolongement de la portion de sortie (31 ) du premier tapis roulant (3). 5. Device according to one of claims 1 to 4, characterized in that it comprises at least one guiding member (7) of the skin (4), preferably made of polytetrafluoroethylene, mounted on the first structural member (1). ), the or each guide member (7) having a guide surface (70) extending in the extension of the output portion (31) of the first conveyor belt (3).
6. Dispositif selon la revendication 5, caractérisé en ce que le ou chaque organe de guidage est réalisé sous la forme d'un bec (7) présentant de préférence une section transversale sensiblement triangulaire. 6. Device according to claim 5, characterized in that the or each guide member is in the form of a spout (7) preferably having a substantially triangular cross section.
7. Machine à refendre (6) caractérisée en ce qu'elle comporte un dispositif selon l'une des revendications 1 à 4. 7. Slitting machine (6) characterized in that it comprises a device according to one of claims 1 to 4.
8. Machine à refendre (6) selon la revendication 7, caractérisée en ce qu'elle comporte : 8. Slitting machine (6) according to claim 7, characterized in that it comprises:
- une table d'entrée (60) agencée pour coopérer avec la portion de sortie (31 ) du premier tapis roulant (3) de manière à recevoir la peau (4),  an input table (60) arranged to cooperate with the output portion (31) of the first conveyor belt (3) so as to receive the skin (4),
- au moins un organe de guidage (7) de la peau (4), de préférence réalisé en polytétrafluoroéthylène, monté sur la table d'entrée (60), le ou chaque organe de guidage (7) présentant une surface de guidage (70) s'étendant dans le prolongement de la portion de sortie (31 ) du premier tapis roulant (3).  at least one guide member (7) of the skin (4), preferably made of polytetrafluoroethylene, mounted on the input table (60), the or each guide member (7) having a guide surface (70); ) extending in the extension of the output portion (31) of the first conveyor belt (3).
9. Machine à refendre (6) selon la revendication 8, caractérisée en ce que le ou chaque organe de guidage est réalisé sous la forme d'un bec (7) présentant de préférence une section transversale sensiblement triangulaire. 9. Slitting machine (6) according to claim 8, characterized in that the or each guide member is in the form of a spout (7) preferably having a substantially triangular cross section.
10. Machine à refendre (6) selon l'une des revendications 7 à 9, caractérisée en ce qu'elle comporte : 10. Slitting machine (6) according to one of claims 7 to 9, characterized in that it comprises:
- un dispositif selon la revendication 4,  a device according to claim 4,
- au moins un cylindre d'entraînement (61 ) de la peau (4) disposé à proximité de la portion de sortie (31 ) du premier tapis roulant (3), et présentant une vitesse d'entraînement supérieure à la première et à la seconde vitesse d'entraînement respective du premier et du second tapis roulant.  at least one driving cylinder (61) of the skin (4) arranged near the outlet portion (31) of the first conveyor belt (3), and having a driving speed greater than the first and the second respective driving speed of the first and second treadmills.
PCT/FR2011/051101 2010-05-26 2011-05-17 Device for introducing an animal hide into a splitting machine WO2011148077A1 (en)

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FR10/02207 2010-05-26
FR1002207A FR2960554B1 (en) 2010-05-26 2010-05-26 DEVICE FOR INTRODUCING ANIMAL SKIN FOR REFINER MACHINE

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Publication number Priority date Publication date Assignee Title
KR20160129276A (en) * 2015-04-30 2016-11-09 구욱림 Leather Shaving Machine
ITUB20152304A1 (en) * 2015-07-20 2017-01-20 Ge Ma Ta Spa SPLIT MACHINE TO DIVIDE THE THICKNESS OF THE LEATHER IN TWO PARTS IN A CROSS-SENSE SENSE, IN ORDER TO SEPARATE THE UPPER PART FROM THE LOWER PART, EQUIPPED WITH AN AUTOMATIC INTRODUCTOR FOR THE TRANSPORT, RELAXATION AND INSERTING OF THE SKIN BETWEEN THE TRANSPORT ROLLERS
IT201700020096A1 (en) * 2017-02-22 2018-08-22 Ge Ma Ta Spa SPLIT MACHINE TO DIVIDE THE THICKNESS OF THE LEATHER IN TWO PARTS, IN A CROSS-SENSE SENSE, SO AS TO SEPARATE THE UPPER PART FROM THE LOWER PART OF THESE SKINS, ACCORDING TO THE THICKNESS
IT201900005094A1 (en) * 2019-04-04 2020-10-04 Alpe Spak S R L SPLITING MACHINE FOR INSTRIAL SKINS
IT202000003095A1 (en) * 2020-02-17 2021-08-17 Mosconi S P A Introducing group for a splitting machine and a splitting machine comprising this group

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Publication number Priority date Publication date Assignee Title
KR20160129276A (en) * 2015-04-30 2016-11-09 구욱림 Leather Shaving Machine
KR101720544B1 (en) * 2015-04-30 2017-03-29 구욱림 Leather Shaving Machine
ITUB20152304A1 (en) * 2015-07-20 2017-01-20 Ge Ma Ta Spa SPLIT MACHINE TO DIVIDE THE THICKNESS OF THE LEATHER IN TWO PARTS IN A CROSS-SENSE SENSE, IN ORDER TO SEPARATE THE UPPER PART FROM THE LOWER PART, EQUIPPED WITH AN AUTOMATIC INTRODUCTOR FOR THE TRANSPORT, RELAXATION AND INSERTING OF THE SKIN BETWEEN THE TRANSPORT ROLLERS
EP3121293A1 (en) 2015-07-20 2017-01-25 GE.MA.TA. S.p.A. Splitting machine for splitting the thickness of hides in two parts in the transverse direction, in order to separate the upper part from the lower part thereof, provided with an automatic feeder for transporting, stretching and inserting the hide between the conveyor rollers
IT201700020096A1 (en) * 2017-02-22 2018-08-22 Ge Ma Ta Spa SPLIT MACHINE TO DIVIDE THE THICKNESS OF THE LEATHER IN TWO PARTS, IN A CROSS-SENSE SENSE, SO AS TO SEPARATE THE UPPER PART FROM THE LOWER PART OF THESE SKINS, ACCORDING TO THE THICKNESS
EP3366786A1 (en) 2017-02-22 2018-08-29 GE.MA.TA. S.p.A. Splitting machine for dividing the thickness of skins in two parts, transversally, so as to separate the upper part from the lower part of said skins, according to the thickness
IT201900005094A1 (en) * 2019-04-04 2020-10-04 Alpe Spak S R L SPLITING MACHINE FOR INSTRIAL SKINS
WO2020202095A1 (en) * 2019-04-04 2020-10-08 Alpe Spak S.R.L. Industrial hide splitting machine
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CN113767180B (en) * 2019-04-04 2022-10-14 阿尔佩斯帕克有限公司 Industrial raw hide splitting machine
IT202000003095A1 (en) * 2020-02-17 2021-08-17 Mosconi S P A Introducing group for a splitting machine and a splitting machine comprising this group

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EP2576842A1 (en) 2013-04-10
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