• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    System (1) for sorting fruit and / or vegetables, comprising: - a main conveyor (2) comprising a plurality of receiving zones (22) mounted on drive means (21) forming a closed loop defining a linear section - a feed conveyor (3), adapted to feed the main conveyor (2), comprising a feed portion (31) adapted to dump fruit and / or vegetables in the linear section of the main conveyor, - a calculator (5) and one or more sensors (23), characterized in that said feed portion (31) is disposed laterally offset and disposed adjacent to the linear section and configured to produce the fruits. and / or vegetables are poured laterally into the receiving zones (22), so that the feed conveyor (3) allows the continuous circulation of fruits and / or vegetables throughout the closed loop of the main conveyor (2).
    公开号:FR3014710A1
    申请号:FR1362651
    申请日:2013-12-16
    公开日:2015-06-19
    发明作者:Jean Fachaux
    申请人:FACHAUX ET FILS ETS；
    IPC主号:
    专利说明:

    [0001] GENERAL TECHNICAL FIELD The present invention relates to the field of digital systems for sorting fruit and / or vegetables.
    [0002] Sorting means in the present application the operations of sizing, packaging and production of batches of products such as fruits and vegetables. STATE OF THE ART Digital fruit and vegetable sorting systems are commonly used to sort fruits and / or vegetables according to their weight, or to form batches of a given weight from a set of fruits. and / or vegetables. Digital systems include sensors for weighing different fruits and vegetables, and a control unit, typically a calculator, driving the system. We can particularly mention the calibrator marketed under the trade name "Calib'fruit" by the plaintiff, which allows an automatic and controlled calibration of fruits and vegetables and / or the formation of batches. Such a sizer comprises a feed conveyor through which fruits or vegetables are fed, which are then dumped into receiving zones fixed on a main conveyor forming a closed loop. The receiving zones are used to calibrate the fruits or vegetables and pour them into various storage areas before a complete turn of the closed loop is made, the receiving areas being then refilled. Such sizers, however, have certain drawbacks, in particular because of the structure of the main conveyor which leads to emergency stops in the event that a fruit or vegetable remains in a receiving zone despite its tipping, or in the event of a mistake. weighing. PRESENTATION OF THE INVENTION The present invention thus aims in particular to provide a sizer allowing a continuous circulation of fruits or vegetables in the main conveyor, while satisfying the constraints related to the handling of fruits and vegetables.
    [0003] For this purpose, the present invention provides a digital system for sorting fruits and / or vegetables, comprising: - a main conveyor comprising a plurality of receiving zones adapted to convey fruits and / or vegetables, said receiving zones being mounted on drive means forming a closed loop defining a linear section, - a fruit and / or vegetable supply conveyor, adapted to supply fruit and / or vegetables to the main conveyor, the feed conveyor comprising a portion of feed adapted to dump fruit and / or vegetables into the main conveyor, - a computer adapted to control said system, and one or more sensors adapted to measure the weight of the fruit or vegetable contained where appropriate in each receiving zone, characterized in said feed portion is arranged to be offset laterally with respect to said linear section area and disposed adjacent to the linear section, and configured so that the fruits and / or vegetables are discharged laterally into the receiving areas, so that the feeding conveyor allows the continuous flow of fruits and / or vegetables 30 over the entire closed loop of the main conveyor. The present system may also have one or more of the following characteristics, taken independently or in combination: The feed portion is linear and is arranged to be substantially parallel to the linear section of the main conveyor. - The main conveyor and the feed conveyor are configured so that the conveyance of fruits and / or vegetables in the linear section of the main conveyor and the movement of fruits and / or vegetables in the feeding section are according to a same direction of movement. - The computer is adapted to control the feed conveyor configured to control the feed conveyor so as not to dump fruit and / or vegetable in a receiving area already containing a fruit or a vegetable. - The closed loop defined by the main conveyor comprises two linear sections interconnected by curved sections. The system comprises means for tilting the receiving zones so as to selectively pour their contents into storage areas arranged around the main conveyor. The calculator is then typically adapted to, depending on a control value and the weight values provided by said weighing means, selectively pour the contents of the receiving zones into a storage area so that the total weight of the fruits and / or spilled vegetables is substantially equal to the order value. The feeding portion of the feed conveyor includes a discharge section configured to guide the discharge of fruits and / or vegetables from the feed conveyor to the receiving areas. The feeding conveyor then typically comprises two treadmills arranged so as to have a V-shaped section and thus performing a function of aligning the fruits and / or vegetables. That of said two conveyor belts which is adjacent to the main conveyor then typically has a shorter length than the other, this length difference defining the discharge section and forming a housing in which a guide member is positioned. The guide element is for example an inclined section or a treadmill configured to guide the discharge of fruits and / or vegetables from the supply conveyor to the receiving areas. - The closed loop defined by the main conveyor (2) defines a trajectory of the receiving zones (22) forming a horizontal plane. PRESENTATION OF THE FIGURES Other characteristics, objects and advantages of the invention will emerge from the description which follows, which is purely illustrative and nonlimiting, and which should be read with reference to the appended drawings, in which: FIG. top view of a system according to one aspect of the invention, and - Figures 2 and 3 show two detailed views of the positioning of the supply conveyor. In all the figures, the elements in common are identified by identical reference numerals.
    [0004] DETAILED DESCRIPTION FIGS. 1 to 3 show a system 1 for the calibration of fruits and / or vegetables, comprising a main conveyor 2 and a feed conveyor 3. The system 1 also comprises a calculator 5, typically associated with a screen The main conveyor 2 comprises driving means 21 forming a closed loop, on which are mounted receiving zones 22 advantageously having a shape adapted to receive a predefined fruit or vegetable, for example cups or containers, typically adapted to each receive a fruit or vegetable. The driving means 21 cause the receiving zones 22 in a direction indicated in the figures by an arrow. The closed loop defined by the drive means 21 comprises at least one linear section. In the embodiment shown, the closed loop comprises two linear sections, connected by two sections in an arc. The closed loop defined by the drive means 21 is typically defined in a plane. According to a particular embodiment, the closed loop defined by the main conveyor defines a trajectory of the receiving zones forming part of a horizontal plane. Storage areas 4 are arranged around all or part of the drive means 21, these storage areas 4 being separated by partitions 41, thus making it possible to form different sets from fruits and / or vegetables treated with the system 1. The feed conveyor 3 comprises means for training fruit and / or vegetables, for example a treadmill, for conveying the fruits and / or vegetables to a feed portion 31 20 of the conveyor. feed 3 adapted to dump fruit and / or vegetables in the main conveyor 2. In the embodiment shown in the figures, the feed portion 31 is a free end of the feed conveyor 3. It can also s' act of a portion comprising spill means, arranged on a supply conveyor 3 forming a loop. The feed conveyor 3 is advantageously configured to also perform a function of alignment of the fruits and / or vegetables, in order to have a single fruit or vegetable head when they reach the feeding portion 31. The conveyor Feed 3 may thus comprise two treadmills arranged to form a V, or else comprise a plurality of rolling elements having a recessed central section, so as to center the fruits or vegetables and thus align them. The feed conveyor 3 is arranged to be offset laterally with respect to the linear section of the main conveyor 2, substantially adjacent to this linear section. This specific configuration makes it possible not to superpose the feed conveyor 3 and the main conveyor 2, so that the feed conveyor 3 does not prevent the flow of fruit and / or vegetables over the entire closed loop defined by the main conveyor 2. This configuration is particularly advantageous in that it avoids having to trigger an emergency shutdown of the system 1 in the case where a fruit and / or vegetable was not properly removed from the system. receiving zone 22 in which it is located. The supply conveyor 3 is typically configured so that its feed portion 31 is substantially linear, and is disposed substantially parallel to the linear section of the main conveyor 2. By substantially parallel, it is meant that a gap is possible due to positioning tolerances. As a variant, the feed portion 31 may be configured to form an angle [3 with the linear section of the main conveyor 2, this angle [3 being for example less than or equal to 45 °, or even less than or equal to 30 °, or even more precisely less than or equal to 15 °. Feed conveyor 3 as shown includes a discharge section 32 at its feed portion 31, so that fruits and / or vegetables reaching this spill section 32 are dumped into the receiving areas 22 of the main conveyor 2 , thus forming a lateral feed of the main conveyor 2. This optional discharge section 32 makes it possible to soften the discharge of the fruits and / or vegetables into the receiving zones 22. As shown in FIG. 3, the discharge section 32 is advantageously carried out so as to be slightly raised relative to the receiving zones 22, so as to minimize the impact of the fall of the fruits and / or vegetables in the receiving zones 22. The discharge section 32 may for example be an inclined section as shown on FIG. Figures 1 to 3, or be a treadmill, inclined or not, positioned to direct the fruits and / or vegetables c irculant on the supply conveyor 3 to the main conveyor 2. In the case where the supply conveyor 3 comprises two treadmills mounted side by side, that of these treadmill which is adjacent to the main conveyor 2 is typically substantially less long as the other treadmill, this difference in length thus allowing the positioning of an inclined section as shown in Figures 1 to 3, or a treadmill having a distinct orientation. The main conveyor 2 is advantageously configured in such a way that its driving direction is such that the displacement of the receiving zones 22 in the linear section of the main conveyor 2 and the displacement of the fruits and / or vegetables on the feed conveyor 3 are in the same direction. Thus, because of the lateral feed of the main conveyor 2 at its linear section, the positioning of the supply conveyor which is adjacent and offset laterally with respect to the linear section of the main conveyor 2, and of the direction of movement and defined the main conveyor 2, the movement of fruits and / or vegetables when they are discharged into the receiving zones 22 of the main conveyor 2 is substantially in the extension of their movement on the feed conveyor 3, which avoids a degradation of fruits and / or vegetables during their discharge from the feed conveyor 3 to the main conveyor 2.
    [0005] The main conveyor 2 comprises a set of sensors 23 comprising one or more sensors, adapted to weigh the elements contained in each of the receiving zones 22, in this case fruits and / or vegetables. These sensors 23 thus perform both a function of detecting the presence of an element in the receiving zones 22, and of weighing these elements. In the embodiment shown, the sensors 23 carry out a weighing of the fruits and / or vegetables contained in the receiving zones 22 by measuring the deflection caused by the fruits and / or vegetables on the support of the receiving zone 22 concerned. The sensors 23 may also comprise additional measurement and detection means, in particular optical sensors performing a diameter measurement, a color detection or an apparent fault detection. Such additional means coupled to a weighing element allow more precise identification of the fruits and / or vegetables contained in the receiving zones. The sensors 23 are advantageously configured so as to weigh the fruits and / or vegetables contained in the receiving zones 22 on a linear section of the main conveyor 2, which allows a more accurate measurement than in a non-linear section because the fruit is more stable and not subject to centrifugal force in a linear section. For example, a weighing sensor is positioned in the linear section of the main conveyor 2, and weighs the receiving areas 22 as they pass through said linear section. Several weighing sensors can be used to make measurements more reliable. Moreover, in case of error during the measurement, it can be carried out again, for example once the fruit and / or vegetable has made a complete turn of the main conveyor 1. A measurement error can by 30 example be detected in the case where the weight is less than a lower threshold value, or greater than an upper threshold value, such threshold values may for example be entered into the computer 5 by a user.
    [0006] The main conveyor 2 comprises tilting means 24 receiving zones 22, adapted for, during the application of a command by the computer 5, selectively switch the receiving zones 22 so that their content flows into a storage area 4 chosen. By way of example, the tilting means may comprise an actuator, for example a magnetic actuator, arranged facing each of the storage areas 4. The receiving zones 22 of the main conveyor 2 thus pass successively at the level of the different tilting means 24, which are controlled by the computer 5 so that the content of the receiving zones 2 is discharged into the appropriate storage area.
    [0007] Alternatively, the main conveyor may comprise a plurality of tilting means 24 which thus equip each of the receiving zones, and can actuate them individually, thus making it possible to carry out a spill at any point.
    [0008] Advantageously, the computer 5 is configured to drive the feed conveyor 3 so that, in the case where a fruit or vegetable performs a complete turn of the closed mouth of the main conveyor 2 and thus passes to the level of the 3 feeding conveyor discharge zone already being loaded with a fruit or a vegetable, the feed conveyor 3 does not pour an additional fruit or vegetable into a receiving zone 22 already filled. The supply conveyor 3 can thus be stopped temporarily, for example for a period determined by the computer 5, and then automatically resume operation by application of a command by the computer 5, or under the action of an operator.
    [0009] The sensors 23 may comprise one or more optical sensors arranged at the outlet of the last storage area 4, thus realizing a function of detecting fruits and / or vegetables contained in the receiving areas 22 in order to avoid dumping a fruit or vegetable into an already occupied reception area, as previously described. The computer 5 may for example be configured so as to perform a calibration, that is to say a sorting of fruits and / or vegetables by weight, or to achieve batches of a given weight. The operating mode can for example be selected by the user using the computer 5. For the calibration function, the computer 5 controls the tilting means 24 of the main conveyor 2 so as to discharge the fruits and / or vegetables contained in the receiving zones 22 in different storage areas 4 according to the weight of the fruits and / or vegetables measured by the sensors 23. The different storage areas 4 can thus each be intended to receive fruits and / or vegetables of a given size. .
    [0010] For the production of batches, a user defines a setpoint and enters it as input data for the computer 5. The computer 5 then controls the tilting means 24 of the main conveyor 2 so as to discharge the fruits and / or vegetables contained in the receiving zones 22 in different storage areas 4, so that the total mass of the fruits and / or vegetables thus dumped in a given storage area 4 is substantially equal to said set value. By substantially equal means that a margin of error is acceptable, typically of the order of 1 to 5% of the set value. The set point and the margin can typically be entered by the user into the computer 5.
    [0011] For the production of batches, the computer 5 may for example proceed by not spilling fruit and / or vegetables in the storage areas 4 that once an entire batch has been formed. The computer 5 identifies a set of fruits and / or vegetables in receiving zones 22 of the main conveyor whose total weight is substantially equal to the set value. The computer 5 then applies an instruction to the tilting means 24 of the receiving zones 22 thus identified so that their contents are discharged into the same storage area 4.
    [0012] This method makes it possible to ensure that all the batches formed correspond to the set value defined. This method also allows not to cause a rejection of fruits and / or vegetables not suitable for the realization of a lot in their first round of the main conveyor 2; the fruits and / or vegetables can thus be maintained in the receiving zones 22 until they are suitable for the formation of a batch. It is well understood that this method of procedure may lead to certain fruits and / or vegetables performing a full revolution or more of the main conveyor 2, which the configuration of the supply conveyor 3 with respect to the main conveyor 2 allows, such fruits that can be used for subsequent batch formation. Alternatively, the computer 5 can proceed by performing a progressive and simultaneous filling of several storage areas 4, for example up to a threshold value corresponding for example to a percentage of the set value, and then defines sublots among the fruits and / or vegetables present in the receiving zones 22 in order to complete the different storage areas 4 so that the total weight in each storage area 4 satisfies the given set point. For example, the computer 5 will control the main conveyor 2 so as to dump fruit in several storage areas 4 of the system 1 until each of these storage areas reaches for example 80% of a value setpoint defined by the user. The calculator 5 will then calculate for each storage area 4 the weight of missing fruits to satisfy the given setpoint, and select fruits present in the receiving areas 22 to thereby complete the different storage areas. Some fruits may not be suitable to complete the lots; they then perform several laps on the main conveyor 2, which is not a problem for the operation of the system 1.
    [0013] Alternatively, the storage areas 4 may be provided with weighing means adapted to perform a weighing of all the elements arranged in each of the storage areas 4. The batch formation can then be achieved by gradually pouring fruit and / or vegetables in a storage area 4 until a threshold weight is reached, from which this storage area 4 is no longer supplied with fruit and / or vegetables until it has been emptied. The storage areas 4 advantageously comprise sensors making it possible to detect the presence or absence of products in a given storage area, so that the computer 5 determines the storage areas 4 that can or can not receive fruits and / or vegetables. The configuration of the supply conveyor 3 with respect to the main conveyor 2 allowing fruits and / or vegetables to perform one or more turns on the main conveyor also makes it possible to avoid an emergency stop of the system in the case where the storage areas 4 are not emptied sufficiently quickly by operators. For example, in the case where there is no free storage area 4 to receive a formed batch, the fruits and / or vegetables can then perform one or more turns on the main conveyor 2 to allow an operator to free storage areas 4.
    [0014] The proposed system 1 thus makes it possible to sort fruits and / or vegetables, in particular for carrying out calibration operations or for batch formation, while eliminating recurrent causes of emergency stoppage on such systems. .
    [0015] The proposed system also makes it possible to form batches with increased accuracy compared to existing systems. The system 1 makes it possible to recycle the fruits and / or vegetables by preserving them on the main conveyor 2, avoiding in particular a systematic evacuation of the fruits and / or vegetables remaining before they have carried out a complete revolution of the main conveyor 2, and thus limiting the operations to be performed by the operators.
    权利要求:
    Claims (12)
    [0001]
    REVENDICATIONS1. Digital system (1) for sorting fruit and / or vegetables, comprising: - a main conveyor (2) comprising a plurality of receiving zones (22) adapted to convey fruits and / or vegetables, the receiving zones (22) being mounted on drive means (21) forming a closed loop defining a linear section; - a feed conveyor (3) made of fruit and / or vegetables, adapted to supply fruit and / or vegetables to the main conveyor (2 ), the feed conveyor (3) comprising a feeding portion (31) adapted to discharge fruits and / or vegetables into the linear section of the main conveyor (2), - a calculator (5) adapted to control said system (1), and one or more sensors (23) adapted to measure the weight of the fruit or vegetable contained where appropriate in each receiving zone (22), characterized in that said feed portion (31) is disposed so to be shifted laterally by r ratio to said linear section and disposed adjacent to the linear section, and configured so that the fruits and / or vegetables are discharged laterally into the receiving areas (22), so that the feed conveyor (3) ) allows the continuous circulation of fruits and / or vegetables throughout the closed loop of the main conveyor (2). 25
    [0002]
    2. System (1) according to claim 1, wherein the feed portion (31) is linear and is arranged to be substantially parallel to the linear section of the main conveyor (2).
    [0003]
    3. System (1) according to one of claims 1 or 2, wherein the main conveyor (2) and the feed conveyor (3) are configured so that the conveyance of fruits and / or vegetables in the linear section of the main conveyor (2) and the displacement offruits and / or vegetables in the feed section (3) are in the same direction of movement.
    [0004]
    4. System (1) according to one of claims 1 to 3, wherein the main conveyor (2) comprises one or more sensors (23) adapted to detect the presence of fruit or vegetables in each of the receiving zones (22), the computer (5) is further configured to control the feed conveyor (3) so as not to dump fruit and / or vegetable in a receiving area (22) already containing a fruit or vegetable.
    [0005]
    5. System (1) according to one of claims 1 to 4, wherein the closed loop defined by the main conveyor (2) comprises two linear sections interconnected by curved sections.
    [0006]
    6. System (1) according to one of claims 1 to 5, further comprising tilting means (24) of the receiving zones (22) so as to selectively discharge their contents in storage areas (4) arranged around the main conveyor (2).
    [0007]
    7. System (1) according to claim 6, wherein the computer (5) is adapted to, depending on a control value and the weight values provided by the sensor (s) (23), selectively pour the content of receiving areas in a storage area (4) so that the total weight of the fruits and / or vegetables spilled is substantially equal to the order value.
    [0008]
    8. System (1) according to one of claims 1 to 7, wherein said feed portion (31) of the feed conveyor (3) comprises a discharge section (32) configured to guide the spill of fruits and / or vegetables from the feeding conveyor (3) to the receiving areas (22).
    [0009]
    9. System (1) according to one of claims 1 to 8, wherein the feed conveyor (3) comprises two conveyor belts arranged to have a V-shaped section and thus performing a function of alignment of the fruits and / or vegetables.
    [0010]
    10. System (1) according to claim 9, wherein that of said two conveyor belts which is adjacent to the main conveyor has a shorter length than the other conveyor belt, this difference in length defining the discharge section and forming a housing in which is positioned a guide element.
    [0011]
    The system (1) of claim 10, wherein said guide member is an inclined section or treadmill configured to guide the discharge of fruits and / or vegetables from the supply conveyor (3) to the receiving areas. (22).
    [0012]
    12. System according to one of claims 1 to 11, wherein the closed loop defined by the main conveyor (2) defines a trajectory of the receiving zones (22) forming part of a horizontal plane.
    类似技术:
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    同族专利:
    公开号 | 公开日
    EP2886213A1|2015-06-24|
    FR3014710B1|2016-01-01|
    EP2886213B1|2017-08-02|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US5086909A|1988-09-23|1992-02-11|Powell Machinery, Inc.|Gentle handling of fruit during weight sizing and other operations|
    EP1469301A1|2003-04-18|2004-10-20|S.A.M.M.O. S.p.A.|An apparatus for optically checking the exterior quality of bulbous fruits and vegetable products of various shapes and sizes|
    FR2893518A1|2005-11-24|2007-05-25|Jean Fachaux|Fruit sorting device for use in e.g. fruit treating field, has conveying unit provided to transport fruits and forming buckle that is contained in horizontal plane, where conveying unit is oval in shape|
    EP2628551A1|2012-02-15|2013-08-21|Calibrex|Device for sorting products, in particular fruits or vegetables|WO2016209071A1|2015-06-22|2016-12-29|De Greef's Wagen-, Carrosserie- En Machinebouw B.V.|Sorting system for sorting products and method therefor|
    ITUB20161024A1|2016-02-24|2017-08-24|Unitec Spa|PLANT FOR TREATMENT OF FRUIT AND VEGETABLE PRODUCTS, OF THE TYPE OF BLUEBERRIES AND THE LIKE|
    IT201700090345A1|2017-08-04|2019-02-04|Fabrizio Oderda|SELECTION PLANT FOR THE PACKAGING OF PRODUCTS, IN PARTICULAR OF THE FRUIT AND VEGETABLE TYPE.|
    CN109513626B|2018-10-17|2020-12-01|朱华珍|Full-automatic product quality classification equipment|
    法律状态:
    2015-10-09| PLFP| Fee payment|Year of fee payment: 3 |
    2016-09-29| PLFP| Fee payment|Year of fee payment: 4 |
    2017-10-11| PLFP| Fee payment|Year of fee payment: 5 |
    2018-10-10| PLFP| Fee payment|Year of fee payment: 6 |
    2019-09-30| PLFP| Fee payment|Year of fee payment: 7 |
    2020-10-12| PLFP| Fee payment|Year of fee payment: 8 |
    2021-11-04| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1362651A|FR3014710B1|2013-12-16|2013-12-16|IMPROVED SORTING SYSTEM FOR FRUIT AND / OR VEGETABLES|FR1362651A| FR3014710B1|2013-12-16|2013-12-16|IMPROVED SORTING SYSTEM FOR FRUIT AND / OR VEGETABLES|
    EP14197985.6A| EP2886213B1|2013-12-16|2014-12-15|Improved sorting system for fruit and/or vegetables|
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