WO2018115613A1

WO2018115613A1 - Machine for sorting by densimetric bath

Info

Publication number: WO2018115613A1
Application number: PCT/FR2017/053211
Authority: WO
Inventors: Sylvain FERRANDEZ; Rémi FERRANDEZ; Joseph Ferrandez
Original assignee: Societe Occitane De Maintenance (Socma)
Priority date: 2016-12-22
Filing date: 2017-11-22
Publication date: 2018-06-28
Also published as: EP3558535A1; EP3558535C0; EP3558535B1; FR3061041A1; FR3061041B1

Abstract

The invention relates to a machine for sorting by densimetric bath comprising a trough, at least one draining support associated with the trough and separation means configured to be moved while being partially or entirely in the trough, characterized in that the separation means comprise at least one panel driven by a motorized means and configured to slide along the trough and on said draining support. The invention also relates to an associated sorting method.

Description

Inimetric bath sorting machine

The present invention does machi conce e e e sorting bath densimétriq its particular sort of fruit _* especially berries such as grapes. The invention further relates to a corresponding sorting method.

In the field of sorting berries, it has been proposed machines using conveyor belts or suction channels.

Unfortunately, this type of device involves costs that are related to the complexity of travel belts and their drive system or to the effectiveness of an efficient suction system. In addition, these systems are generally difficult to maintain in that the cleaning of the flow rates of the achine is not easy.

Other machines have been proposed with more omlex structures in remote areas not suitable for use for food products. Some use metal chains which. Involves maintenance by greasing, which can alter the density and remove the food quality necessary for processing products intended for human consumption.

It is a first object of the invention to provide a simplified machine and method with respect to the prior art in order to limit manufacturing and implementation costs. to propose a machine whose maintenance will be facilitated otamm nt to maintain the efficiency of the machine and increase the life of the machine to a minimum,

To do this, the invention provides a densification bath sorting machine comprising a tray, at least one dewatering support associated with the tray and separating means configured to be moved while being partially or totally in the tray. It is possible alternatively to use the terms "draining" or "drying", particularly with reference to the support. When the sorted elements are on these supports, the liquid in the densimetric bath is sensibly removed from said elements.

According to a first aspect, the separating means comprise u least one driven panel pa motor means, and configured to co smooth along the tray and said ^carrier-f sewer floor.

Advantageously, at least one panel is a simplified means for separating fractions of a bulk bath, in particular bays, in comparison with the means of extraction or suction systems of the prior art.

In addition, the use of at least one paaneat leaves less challenging areas of access for cleaning the thing that _f e easier maintenance.

According to aspects taken singly or combined in any technically feasible combination;

said panel is configured to slide at several heights along the tray, then on said drip tray? and or

said panel is configured to slide along a separating support, in particular along the bottom of the tank, then on said digging support; and / or

the separation means comprise a plurality of panels driven by a belt or preferably at least one more pref erential ribbon of plastic; and or

the machine comprises at least one pair of pulleys, preferably gear wheels, associated with said belt or said chain. and or

~ said panel is a cleat; and or

said drip support comprises a grill® at least partially immersed in the tray; and or ledi support is included in a drip arm forming an enclosure, associated with the tank; and / or

- The machine includes two drip arms on either side of the tank com venant, c, a drip support at "a level different from that of the other arm; and or

the draining arm forming the enclosure comprises an orifice for evacuation;

- the panels, are attached to said plastic chain or to said belt, t and / or

chain stitches include a pierced protuberance? and or

the chain and the pulleys or toothed wheels are made of plastic; and or

- the machine comprises a cupola equipped ^f draining of a container associated with additional separation means.

The invention further relates to a method for sorting ripe berries by densinietric bath preferably by means of a machine according to the invention, wherein the ripe berries are isolated by the slide of at least one panel, preferably along a separation support, - in particular the bottom tray lug, then on a drip support,

The invention will be further detailed by the description of non-limiting embodiments, and on the basis of the appended figures in which t

Figure 1 is a view in space of a sorting machine according to a preferred variant of the invention;

FIG. 2 is a front view of the machine of FIG.

FIG. 3 is a view on the left side of the machine of FIGS. 1 and 2;

Figure 4 is a view in the space of a cleat and a separation grid; Figure S is a view of the chain link space of a machine according to the preferred embodiment of the invention.

FIG. 6 is a view of a space S configured to cooperate with the links of FIG.

Yes

the figure ? is a view in the space ^f of each sorting machine according to another preferred embodiment of the invention; Fig. 8 is a space view of a finger catcher and a separating grid of 1 'ma of the figure. ; and

FIG. 9 is a view in the space of n complementary separation means of the machine of FIG _.

The invention relates to a densimetric bath sorting machine 1, in particular for the sorting of fruits, more particularly berries by the emulsion of grapes,

The sorting machine according to the invention comprises a particular tray 2, the tray 2 has at least one section of prismatic shape, for example the parallelepiped. The tray 2 is open on an upper face in order to receive elements to be sorted. , in particular the product of the vintage.

The tray 2 preferably comprises a frame 3 surrounding the container and which can be provided with rolling means 5 4, such as wheels, for moving the machine 1. Preferably, the frame 3 comprises a suppor base wider than the tray 2 at the end of the width for a better balance. - For example, the tray 2 has a width of approx. 0 cm? and the base has a width of about 1 meter, the tray 2 may further comprise a wedging means 4a such as a retractable wedge pad, eg pedal "

The tank 2 preferably comprises a drain orifice 5 making it possible to empty the tank 2. The machine, in In particular, the tray 2 may additionally comprise an orifice 5a, such as an outlet or an overfill.

Tray 2 includes its further cover elements such as cover sheets on its open face _. In particular, two plates are provided at the ends of the tray,

Tray 2 is configured to perform a survey bay of the product of a ginned or destalked harvest.

To do this, the tray 2 © s filled with a controlled density liquid. Preferably, the controlled density liquid comprises either water or sugar laden water. In particular, sugar is used to increase the density of the bath.

Once the harvest has been plunged in the hydrothermal bath, the bays with different density of unmixed bays and debris separate.

E _f in particular a sweet densimétriqae bath, the ripe berries sink to the bottom of the bath while -ss o rs bays and debris floating on the surface of the bath.

Of course, the calibration of the densiometric bath can be carried out in. for example, testing the flotation of a ripe bay and an unsaturated bay.

Once the berries are isolated at the bottom of the tank, it is necessary to keep them separate from the bath and to reserve them for example for storing them.

To do this, the machine 1 comprises at least one support d ^? Sewage 7 and separation means B detailed below.

The support of égouttago 7 is associated with the bottom 2. Kn particular, the machine 1 comprises usa ^dpf drip support 7 configured to be a continuation of a wall of the tray 2 _* In not less preferred variant, one can envisage a support drip tray ¾ i is a side wall of the tank According to variants, said support of ^drip 1 c mp na use grilled ssoins partially immersed in the ac 2.

Advantageously, the use of a grid as dewatering support 7 makes it possible to have liquid flows under the grate and a better drainage of the selected elements such as the berries. In addition, the gate of the grid may allow to select a minimum size l in the isolated fraction, the residual debris escaping under the grid and then in the tray 2,

In particular, the grid is removable. For example, a housing or a medium, is provided to dispose and, preferably, taxing the grid, this arrangement allows a better maintenance of the machine 1 in that these parts are easy to clean. for example, to remove waste. Space 9 can be provided in the grid to drop residues under the grid and then in the tray 2.

According to a preferred variant that can be illustrated in FIGS. 8 and 9, the drip support 7 comprises longitudinal orifices 7a oriented obliquely upwardly and the neck 1a), for example lateral to said support 7 ". Preferably, these orifices 7a are cover in the @ ens of moving bays. Advantageously, this arrangement greatly improves drainage because there is no ¾one continuously, full in the direction of movement of the bays. In addition, the integrity of the bays is preserved in comparison with orifices oriented perpendicular to the displacement which would have a "rasp" effect.

According to a variant, said dewatering support 7 is included in a dewatering fortress 10 preferably forming an enclosure, associated with tank 2 "In particular, the drip fortress 10 forms an enclosure opening into the tank 2. of di Egou floor is placed in the arm 10 d ^f dewatering

The frame 3 of the machine 1 also surrounds the lower part of said dewatering arm 10. The ras 10 com rennen also said élèrsents cover ieu rieu s els such as couch plates. the particular, three sheets are provided x ends and in the middle of each arm 10.

Deeperly, the drip arm 10 extends longitudinally from the side of the tank 2. In particular, the drip arm 10 extends slightly towards the hu away from the tank 2. The span of the machine from one end to the other of the arms 10 is for example about 5 meters. The height of the mac ine0 © st. for example about. 1.6 sa.

The drip arm 10 defines for example an inner side near the tray, and an outer side away from the tray.

According to a variant, said b d 'd' Drain 10 forming an enclosure, comprises a discharge port 11. The foreshore 10S preferably comprises said discharge port 11 at one end of the drip support 7, for example the outer end, the sorted elements can be slid on the drip support? up to said end and fall into the hole 11, a means for receiving the sorted elements can be provided under the arm, particularly below the orifice 11.

Alternatively, the machin © 1 comprises two arms drip 10 on either side of the tray 2 each comprising a carrier ^f dewatering 7, dx arm 10 can Centre5 substantially identical.

In another variant, instead of a drip arm is provided a drainage dome 10a, U e variant with deu 10a cupolas may be considered. The drip pan 10a may comprise a container 10b associated with complementary separation means 10c, preferably a worm gear. The container is for example a perforated trough disposed above the level of the kiss. The container comprises a section that projects a projection in a direction perpendicular to a longitudinal axis of the machine. Av ageuseme t, the dome XQ & D dewatering allows to limit the size of the machine and refers to the longitudinal direction, preferably the container can be mounted so that the projection is at the choice of one side or the other of the machine. so to adapt to the place of installation,

The separation means S are configured to separate and so ti the sorted elements of the tray 2. In particular, the separation means 8 to isolate the berries mu es of aae and preferably, the berries noa-aares and the debris on the other hand.

To do this, the separating means S are designed to be driven while being partially or totally in the container. According to the invention, the separation means S comprise at least one panel 8a driven by a motor medium 12. and configured to slide along the tray 2 and said self-supporting bracket 7 "Said panel 8a is preferably driv® horizontally in the tray. A transmission means 13 detailed below connects the motor yen 12 to said panel.

The drip pan 10a may also comprise a motor means 12a, preferably for driving the complementary separation means 10c.

E particularly, said panel 8a slides along the length of the tray 2, then on said dewatering support 7.

Advantageously, said driven panel Sa is a simplified means for separating fractions of a densified bath, in particular bays, in comparison with conveyor means or prior art suction systems.

In addition, the use of the difc panel 8a leaves less ds icic spaces ccès for cleaning the machine 1, which Mui easy maintenance.

Moreover, said panel 8 passes the pouring fraction con rai ly to conveying systems, which makes it possible to have a more compact machine. In addition, the separation means 8 comprise a plurality of panels 8s driven by said motor means 12, and the motor 12 is preferably one. It can be a system with more than one driver,

According to "n ^• will iant®, said 8a year is a cleat. The cleat is in pa tic link a solid panel. Avantageusemen, a. The entire panel is capable of creating a current in the densitech bath facilitating movement of the various elements. A non-solid panel, such as a grid, may be envisaged to retain the elements to be sorted, in particular the bays. The cleat measures for example 40 to 45 cm in length along the width of the tray 2 and foras 10.

The cleat preferably extends asperities 14 on its edge in contact with the grid. More particularly, these asperities 14 are present on a lower edge and an upper edge of the cleat,

In a variant that can be illustrated in FIG. 8, the asperities can extend over more than a quarter of the height of the panel and form fingers, for example, at the bottom and at the bottom. Fingers are expected without exceeding the diameter of a bay. Fingers greatly improve the drainage by letting more liquid pass through a solid panel.

According to one variant, said panel Sa is configured to slide at several heights along the tank 2, then onto said draining support 7. In particular, said panel Sa can slide at the level of the surface of the densimetric bath and another one or said Sa panel can slide to another depth level of the tray 2.

According to a variant, said panel 8a is configured to slide 1 © along a separating medium, in particular along the bottom tray 2, then said carrier ^f dewatering 7. Thus, the cleat scrapes the bottom of the tray 2 isolate the fraction that has flowed into the densistétricps® bath. It concerns in particular racks, A separatio support, such as a grill over the foad of tray 2? can be considered.

In particular, said ring 8a is configured to co smooth at two heights of the tray to isolate a floating fraction S and a flowing fraction. Each of the fractions is then directed by means of said panel Sa v rs a specific side, for example, the flow fraction is directed to the right of Figure 2 and the floating fraction is directed to the left,

Preferably, each of said sides is priva drip arm 10. The panel 8a. bringing a fractio then slides along the drip support?, e particularly the grid, from one end to the other in particular to the corresponding discharge port 11 "

In particular, the right directed flow fraction of Figure 2 comprises the ripe bays and the floating fraction directed to the left makes the bays naked and debris.

Preferably, the slip supports 7 are also arranged at two levels corresponding to the flowing and floating fractions, so that the drip support? oblique one arm is at a different level than the other arm. n particular, the grid of the arm 10 to the right of Figure 2 is disposed at the bottom of said arm 10 and. the gate of the arm 105 on the left is disposed in the middle of said arm 10 "

According to one variant, the separating means 8 comprise several panels 8a without said transmission means 13 which comprises at least one belt or preferably at least a further portion of a plastic belt.

A 15 th chain has a substantially rigid transmission time. In addition, the use of plastics allows to limit the manufacturing costs, Se addition, plastiqu n ^f st not subject to oxidations eontraireîaeat metal chains "It is the same for belt" Sin addition, the meshes of the chain 15 pe me ed® provide a siasple system for fixing the hung nails to the mesh.

The 15 hp Ines com makes stitches! His parallélépipédiqu s * _s ISb especially incpt © ® vsrs aut and down. The meshes comprise UBS paralepipedic portion div sée in two son-sections C bi ues s è more par piulicière ent by a central pillar. The central pillar and the walls of the walls are preferably flattened. The mesh interlocking system comprises an internal cylindrical portion 15e and a cylindrical female part © in two structures 15d disposed here horizontally on either side of the male part. The pin IS is provided in the male and female parts for the fastening of the mesh interlocking system »

In particular, the chain 15 comprises two types of meshes

15a and 15b being differentiated by the possibility of wearing or not a panel 8 "The meshes 15b carrying a panel 8a comprise a perforated protuberance Isf. The pierced protuberance 15f is preferably in the extension of the central pillar of the meshes 15b. Fixing means, such as screw, can be inserted into the pierced protuberance 15 to fix the panel 8a. Preferably, fastening boards 8fo, which may be made of stainless steel, are arranged on either side of the panel 8a and fixed using a fastening means, such as a screw and bolt assembly. The stainless steel boards 8b also make it possible to stiffen the assembly of the board Sa eur chain 15.

In particular, the machine 1 comprises two cha nes 15 each being disposed on either side of the panels Sa> This allows a maxileur equilibrium I ^f drive of the panel 8a, chains 15 slide along a wall of the tray 2 and along an ego ttaq® arm wall 10.

According to one variant, the machine comprises at least one pair of pulleys or preferably of toothed wheels 16, associated with said belt or with said chain 15. This arrangement allows Both drive it from the chain 15 by means 12 and associated with the toothed wheel and the possibility of arranging plies, especially x, chain paths 15 and nnea x 8a. Said set of pulleys or toothed wheels 1 'is preferably arranged axle ends of the drip arms 10' Preferably, the outer end of the drip arm 10 is provided in a forsse of 's' for easy insertion or removal. a wheel axle or pulley. Fixing means 1? such that a handle may be provided to fix said sce in the arm 10.

The gear wheel is preferably also made of plastic. In particular, at least one gearwheel 16 associated with the chain 15 is rotated by the motor means 12, which is preferably a motor. The motor hub 12 is preferably arranged at the outer end of a dewatering arm 10.

In a variant, wheel reinforcements 16a are preferably provided on the trough for improving the mechanical strength of the trough with respect to the axis of the wheels 16,

The chain 15 makes a first path going below the gears 16, in particular to the right of FIG. 2, and a path back over the gears, in particular towards the gusset. Preferably, additional pulleys or toothed wheels 18 are provided for the change of direction of the arm 10 where the path is oblique towards the tray 2 where the path is horizontal.

The invention relates to a method of sorting in particular by means of a device as described above. The steps are illustrated in the figures by the examples a to g,

The method comprises the following steps

(a) deposit a harvest product in a densimetric bath; (ib, e) scraping u "e or several bath heights by sliding at least n panel 8b, in particular at least one bucket,

{e, e) sliding said panel b along a draining support 7, and.

~ {f, g) reserve the isolated nsi fraction,

Step (fo) includes scraping in particular of the bottom of the bath to further isolate mature berries. Step (c) includes scraping the bath surface to isolate in particular non-ripe berries and debris _.

Step {d> includes sliding said panel 8b along an egoattag support ©? b s corresponding to the flowing fraction, in particular the ripe berries. Step (e) comprises sliding said panel 8b 1 along a high dewatering line 7 corresponding to the floating fraction, particularly non-ripe bays and debris.

Step (f) com makes reserving the thus isolated flowing fraction, including in particular the ripe berries. Step (g) is intended to reserve the floating fraction thus isolated, including in particular the non-matrix berries and the debris. In a preferred variant, the flow fraction, comprising in particular the mu-shaped berries, is oriented towards the dome. ^'' e draining the float fraction, in particular comprising the aon-ripe berries, is oriented toward the arm dripping 10.S & procedure may then be repeated from step

(a) and so on.

Claims

1. Density bath sorting machine comprising a fcae {2}, at least one drip support (?) Associated tray (2) and separation means (8) configured to be driven all year partially or totally in the tray {2} _f characterized in that the separating means (8) comprise at least one panel (Ss) driven by a motor yen, and configured to slide along the tray and on said dewatering support (7). ).

2. Mac in sorting according to the preceding claim, wherein said panel (8¾) is configured to slide at several heights along the tray (2), then on said dewatering support {7} _*

3. Sorting machine according to one of the preceding claims, wherein said panel (8a) is configured to slide along a separation support, in particular along the bottom tray (2), then on said support of middle age {7}.

4. Sorting machine according to one of the preceding claims, wherein the separating means {8} comprises a plurality of panels (8a) driven by at least one belt or preferably at least one chain {15} most preferably e plastic.

5. Sorting machine according to the preceding claim, comprising at least one bet of pulleys or preferably of toothed wheels associated with said belt or said henna.

6. Sorting machine according to one of the preceding claims, wherein said panel (8a) is a batten,

7. Sorting machine according to one of the preceding claims, wherein said dewatering support {7} comprises a grid at least partially immersed in the tray {2} _*

8. Sorting machine according to one of the preceding claims, wherein said dewatering support {7} is included in a arm ά 'éoufouftags {10} fo tiant reference ns »enclosure, associated with the tray (2).

9. Sorting machines according to the preceding claim, comprising two draining arms {10} on either side of the tank {2} each comprising a draining support (?) ¾ "ni ea different from that of the arm,

10 _* s lon sorting machine of claim 9 or S, wherein said arm drip {10} forman ue pregnant, compr na "a port ^f evacuation,

11. Sorting machine according to one of the preceding claims, wherein at least claim 4, wherein the neaux are fixed to said plastic chain or said belt.

12. Sorting machine according to one of the preceding claims, wherein at least claim 4, wherein meshes (ISbî of the chain comprise a pierced protrusion C15 £}.

Sorting machine according to the preceding claims, at least claims 4 and 5, in which the chain and the pulleys or toothed wheels are made of plastic.

14. Sorting machine according to one of the preceding claims _f xxn® drip pan ClOa} equipped with a container (10b) associated with complementary separation means {10c5 "

15. A method of sorting ripe berries densimetric bath by means of a machine according to one of the preceding claims including at least claim 3, characterized in that the ripe berries are isolated by the slide of said panel (Sa) along the separation support, in particular along the bottom tray (2), and then on said dripping support.