EP4543641A1 - Convoyeur déformable - Google Patents
Convoyeur déformableInfo
- Publication number
- EP4543641A1 EP4543641A1 EP23741266.3A EP23741266A EP4543641A1 EP 4543641 A1 EP4543641 A1 EP 4543641A1 EP 23741266 A EP23741266 A EP 23741266A EP 4543641 A1 EP4543641 A1 EP 4543641A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- deformable
- handling end
- picking
- here
- robot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
- B65G35/005—Mechanical conveyors not otherwise provided for with peristaltic propulsion along a flexible tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/08—Gripping heads and other end effectors having finger members
- B25J15/12—Gripping heads and other end effectors having finger members with flexible finger members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/10—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
- B65G15/12—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
- B65G15/14—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts the load being conveyed between the belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/10—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
- B65G15/12—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
- B65G15/20—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts arranged side by side, e.g. for conveyance of flat articles in vertical position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/20—Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
- B65G21/2027—Suction retaining means
- B65G21/2036—Suction retaining means for retaining the load on the load-carrying surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/64—Switching conveyors
- B65G47/644—Switching conveyors by a pivoting displacement of the switching conveyor
- B65G47/648—Switching conveyors by a pivoting displacement of the switching conveyor about a vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0202—Agricultural and processed food products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0202—Agricultural and processed food products
- B65G2201/0211—Fruits and vegetables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/42—Soft elements to prevent damage to articles, e.g. bristles, foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
- B65G37/005—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes comprising two or more co-operating conveying elements with parallel longitudinal axes
Definitions
- the invention relates to the field of robotic installations for moving objects.
- these robotic installations take an object from a picking zone, for example on a first production line or a storage zone, and place this object in a placement zone, for example on a second production line or in a box .
- a pick and place robot generally has a single, rigid, articulated arm, at the end of which there is a gripping member.
- the articulated arm executes a rotational and/or translational movement so that this gripping member reaches the placement zone and places the object there.
- Pick and place robots are not always suitable for handling fragile or variable-sized objects, as found in particular in the food industry.
- the use of these robots requires a restrictive arrangement of their workspace, due to the danger that the speed of their movements represents for human safety.
- Collaborative robots are equipped with devices, such as presence detection devices, allowing them to operate in collaboration with or near human operators. However, activating these devices significantly slows down their operation. Collaborative robots are therefore poorly suited to the high speeds required in certain industries, such as the food industry. In addition, these robots are also not always well suited to handling fragile objects or objects with variable dimensions. We are seeking to design a robotic installation for moving objects that is compatible with both the handling of fragile or variable-sized objects, and with high production rates, while remaining secure.
- a picking and placing device comprising a deformable robot arranged to be placed near a picking zone and a placement zone.
- the deformable robot includes a first handling end, at which the deformable robot picks up an object from the picking area, and a second handling end, at which the deformable robot places an object in the placement area.
- the first handling end is capable of being moved in the picking zone, or the second handling end is capable of being moved in the placement zone.
- the deformable robot further comprises a deformable conveyor structure connecting the first handling end and the second handling end so as to convey an object picked up by the first handling end to the second handling end.
- the arrangement of the deformable conveyor structure between the first handling end and the second handling end makes it possible to maintain a high operating rate without requiring rapid and dangerous movements.
- This device is particularly advantageous because it can be made from flexible structures, such as belts or structures with peristaltic movement, which allows the handling of fragile objects or objects of variable dimensions.
- the invention may have one or more of the following characteristics:
- the deformable conveying structure comprises a deformable channel
- the deformable channel comprises a pair of tensioning arms, maintained at a substantially constant distance from each other, and the deformable conveying structure comprises a pair of belts, each arranged on one of the tensioning arms, these belts being able to grip an object between them and to drive it from the first handling end to the second handling end;
- the deformable conveyor structure comprises cables, positioned along the tensioning arms, and an actuator connected to said cables and arranged to deform the deformable conveyor structure by varying the tension of the latter;
- the deformable channel comprises a plurality of tensioning arms (for example three), connected to each other near the first handling end or the second handling end, and the deformable conveying structure comprises a plurality of belts (for example example three), each arranged on a respective tensioning arm, these belts being capable of gripping an object together and driving it from the first handling end to the second handling end;
- the picking and placing device comprises a slide and the deformable conveying structure comprises an actuator connected to said slide and arranged to deform the deformable conveying structure by translating one of the tensioning arms along the slide;
- the picking and placing device is capable of modifying the orientation of an object conveyed in the deformable channel
- At least one belt is deformable in a direction transverse to the local driving direction of said belt
- the deformable conveying structure comprises a peristaltic movement structure connected to the deformable channel;
- the peristaltic movement structure comprises peristaltic rings, each peristaltic ring presenting a row of inflatable actuators;
- the first handling end or the second handling end has a flared shape
- the first handling end or the second handling end has a gripping actuator.
- FIG. 1 is a top view of a picking and placing device according to a first embodiment of the invention, carrying out an object conveying operation
- Figure 2 represents a result of the conveying operation of Figure 1, in three-quarter view
- FIG. 3 is a three-quarter view of an embodiment of the deformable robot of the device of Figures 1 and 2, in the absence of belts;
- FIG. 4 is a top view of a picking and placing device according to a second embodiment of the invention.
- FIG. 5 is a three-quarter view of a scenario of the device of Figure 1 and the device of Figure 4 operating together;
- FIG. 6 is a three-quarter view of a picking and placing device according to a third embodiment of the invention, in an object rotation operation;
- FIG. 7 is a three-quarter view of a picking and placing device according to a fourth embodiment of the invention, in an object rotation operation;
- FIG. 8 represents a first position of a picking and placing device according to a fifth embodiment, in three-quarter view
- Figure 9 is similar to Figure 8, the device being in a second position
- FIG. 10 represents a collection and placement device according to a sixth embodiment, in three-quarter view
- FIG. 11 is a front view of a picking and placing device according to a seventh embodiment, in a first position;
- FIG. 12 is a side view of the device of Figure 11;
- Figure 13 is similar to Figure 12, the device being in a second position;
- FIG. 14 is a three-quarter view of a picking and placing device according to an eighth embodiment of the invention.
- Figure 15 represents the peristaltic movement structure of the device of Figure 14 in a first step of conveying an object, in close-up and side view;
- - Figure 16 represents the peristaltic movement structure of Figure 15 in a second step of conveying an object
- - Figure 17 represents the peristaltic movement structure of Figure 15 in a third step of conveying an object.
- Figure 1 is a top view of a picking and placing device according to a first embodiment of the invention, carrying out an object conveying operation.
- Figure 2 shows a result of the object conveying operation of Figure 1, in three-quarter view.
- the deformable robot 1 moves objects 7, here apples, from the picking zone 3 to the placement zone 5.
- the deformable robot 1 moves several apples simultaneously.
- the deformable robot 1 comprises a first handling end 9 and a second handling end 11, mutually opposite, and a deformable conveyor structure 13, which connects the first handling end 9 to the second handling end 11.
- the deformable robot 1 picks up the objects 7 in the picking zone 3 at the first handling end 9.
- the deformable robot 1 places the objects 7 in the placement zone 5 at the second handling end 11.
- the first handling end 9 has a flared shape, so as to guide the objects 7 from the sampling zone 3 towards the deformable conveyor structure 13 in a progressive manner.
- the second handling end 11 has a flared shape, so as to release the objects 7 in the placement zone 5 in a progressive manner.
- the deformable conveying structure 13 is deformed so as to convey the objects 7 picked up by the first handling end 9 to the second handling end 11.
- the arrangement of the deformable conveyor structure 13 between the first handling end 9 and the second handling end 11 makes it possible to maintain a high operating rate without requiring rapid and dangerous movements of the deformable robot 1.
- the deformable conveying structure 13 is deformed so as to move the second handling end 11 within the placement zone 5.
- the deformable conveyor structure 13 has a deformable channel 15.
- the deformable channel 15 is elongated between the first handling end 9 and the second handling end 11.
- the deformable channel 15 extends from the first handling end 9 to 'at the second handling end 11.
- the deformable channel 15 forms a conduit for the objects 7.
- the deformable conveyor structure 13 comprises a pair of belts 17 and the deformable channel 15 is formed by a pair of tensioning arms 19.
- Each belt 17 is arranged around one of the tensioning arms 19.
- the belts 17 transmit a translation movement so as to convey objects 7 along the deformable conveying structure 13.
- the belts 17 enclose the objects 7 together so as to maintain these objects 7 in the deformable channel 15 during their conveyance along of the deformable conveyor structure 13.
- the belts 17 enclose this object 7 between them and drive it from the first handling end 9 to the second end of handling 11.
- the use, in the deformable conveyor structure 13, of flexible structures, such as belts 17, allows the deformable robot 1 to handle objects 7 that are fragile or have variable dimensions.
- the deformable conveyor structure 13 further comprises one or more crosspieces (not shown) connecting the tensioning arms 19 together, here near the second handling end 11.
- the crosspieces pass outside the pipe formed by the deformable channel 15
- the crosspieces maintain the tensioning arms 19 at a substantially constant spacing distance from one another. The spacing distance is determined according to the dimensions of the objects 7 to be moved.
- each belt 17 On each belt 17, the driving of said belt 17 on the corresponding tensioner arm 19 defines a local driving direction.
- One or each of the belts 17 can be deformable in a direction transverse to the local driving direction of said belt 17. This deformation of one or each of the belts 17 distributes the contact forces on the object 7 held. This deformation of one or each of the belts 17 makes it possible to hold fragile objects 7 or of variable dimensions between the belts 17.
- each belt 17 is deformable in the direction transverse to the local drive direction of said belt 17.
- One or both of said belts 17 may have one or more strands.
- the strands can be made of a similar or different material.
- each belt 17 comprises two strands.
- the two strands are flat strips 23, 25.
- the flat strips 23, 25 are made of a very flexible material.
- the flat strips 23, 25 are endless.
- the flat strips 23, 25 of the same belt 17 have different lengths.
- the flat strips 23, 25 are arranged so that the longest, called the external flat strip 23, the shortest belt, called the internal flat strip 25.
- the external flat strips 23 are in contact with the objects 7 to move.
- the internal flat bands 25 are in contact with the tensioning arms 19.
- the internal flat band 25 is made of rubber and the external flat band 23 is made of elastomer.
- each belt 17 further comprises a set of fasteners 27 connecting the flat bands 23, 25 to each other.
- each belt 17 comprises forty fasteners 27.
- the fasteners 27 can be made of the same material as that of the flat strips 23, 25 or of a material different from this.
- each attachment 27 has two portions, of generally rectangular shape, which are arranged so as to form a "V" with one another when the deformable robot 1 is seen from above.
- the fasteners 27 are arranged between the flat strips 23, 25 so that the "Vs" are all positioned in the same direction on the same belt 17.
- the flat strips 23, 25 and the fasteners 27 together delimit a series of hollow cells 29.
- the two flat strips 23, 25 and the forty fasteners 27 delimit forty hollow cells 29.
- the hollow cells 29 are deformable .
- the hollow cells 29 have the shape of a cylinder with a hexagonal base.
- the hollow cells 29 located near the object 7 are deform, elastically, in a direction transverse to the local driving direction of the belt 17. This deformation of the hollow cells 29 ensures the maintenance of the object 7 between the belts 17 while distributing the contact forces on the object 7.
- Cells hollow 29 resume their shape once the object 7 reaches the second handling end 11.
- Belt model 17 is described above as an example. Other models of belts 17 are possible.
- Each tensioning arm 19 comprises at each of its ends a tensioning block 31.
- the tensioning blocks 31 each comprise a central part 33, here of substantially cylindrical shape.
- the central parts 33 of the tensioning blocks 31 each have a pulley.
- Each tensioner block 31 further comprises a radial part 35, projecting from the central part 33 of said tensioner block 31.
- Each tensioning arm 19 comprises a flexible body 37 connecting the radial parts 35 of the tensioning blocks 31 together.
- the flexible body 37 is elongated and substantially rectangular.
- Each tensioner arm 19 further comprises pairs of tabs 41, supported by the flexible body 37.
- the tabs 41 of the same pair are arranged at regular intervals along the flexible body 37.
- the tabs 41 are fixed on the flexible body 37 rigidly and substantially perpendicular thereto.
- each flexible body 37 supports eleven pairs of legs 4L
- Each tab 41 carries a pair of rollers 43, at a distance from the flexible body 37.
- the pairs of rollers 43 participate in the alignment of the belt 17 arranged around said tensioning arm 19 and maintain said belt 17 substantially parallel said tensioning arm 19.
- the rollers 43 of the same pair are arranged on either side of the internal flat band 25 of the belt 17 positioned around said tensioning arm 19 and serve as a guide to said internal flat strip 25.
- the deformable conveying structure 13 comprises a first actuator (not shown), capable of moving and deforming said deformable conveying structure 13.
- the first actuator translates the tensioning blocks 31 arranged at the first handling end 9 along slides (not shown) respective.
- the first actuator can only be connected to one of said tensioning blocks 31.
- the slides extend in a direction generally parallel to the first conveying direction.
- the first actuator can cause said tensioning blocks 31 to perform the same translation movement.
- the deformable robot 1 moves in the direction generally parallel to the first conveying direction.
- the first actuator can cause one of said tensioning blocks 31 to perform a relative translation movement relative to the other of said tensioning blocks 31, in the direction generally parallel to the first conveying direction.
- the tensioning arms 19 flex, due to the fact that they are held by the crosspieces at a substantially constant spacing distance from one another.
- the deformable conveyor structure 13 deforms, here in a plane substantially parallel to the first conveyor plane.
- the second handling end 11 moves within the placement zone 5 accordingly.
- the first handling end 9 may comprise a second actuator, called the first gripping actuator.
- Said first gripping actuator modifies an opening angle of the first handling end 9 so as to pick up an object 7 with precision.
- the second handling end 11 may comprise, as here, a third actuator, called the second gripping actuator.
- Said second gripping actuator modifies an opening angle of the second handling end 11 by way to release an object 7 with precision.
- the second gripping actuator moves, at said second handling end 11, the tensioning blocks 31 away from each other. .
- the deformable conveyor structure 13 may include, as here, a motorized stop 45.
- the motorized stop 45 connects the tensioning arms 19 together from below, near the second handling end 11.
- the motorized stop 45 extends along a stop axis and has a generally cylindrical shape.
- the motorized stop 45 rotates on itself around its stop axis.
- the rotation of the latter around its stop axis modifies the orientation of said object 7.
- the crosspiece 21 connecting the tensioning arms 19 between them bypasses the pipe formed by the deformable channel 15 from above.
- the crosspiece 21 connects the radial parts 35 of the tensioning blocks 31 arranged at the second handling end 11.
- Each of the tensioning blocks 31 arranged at the first handling end 9 has a projecting part 87, here extending substantially perpendicular to its radial part 35.
- the projecting parts 87 move away from said tensioning blocks 31 so as to clear a space for the passage of belts.
- the projecting parts 87 move away from the pipe formed by the deformable channel 15.
- the motors 47 transmitting a rotational movement to the belts 17 are fixed above the tensioning blocks 31 arranged at the first handling end 9.
- Each motor 47 is positioned astride the central part 33 and the projecting part 87 of the tensioning block 31 partner.
- the slides 49 are positioned on either side of the deformable robot 1, near the first handling end 9.
- the first actuator is connected to the slides 49 via rack mechanisms.
- Each slide 49 comprises two rails, along which slide linear translation guides fixed to the projecting part 87 of one of the tensioning blocks 31 arranged at the first handling end 9.
- the tensioning arms 19 are further connected together by an articulated arch 51, here substantially halfway along the deformable channel 15.
- the articulated arch 51 bypasses the pipe formed by the deformable channel 15 by above.
- the articulated arch 51 contributes to maintaining the tensioning arms 19 at a substantially constant spacing distance from one another during the deformation of the deformable conveying structure 13.
- first handling end 9 and the second handling end 11 are devoid of gripping actuators.
- the deformable conveyor structure 13 does not have a motorized stop.
- This figure shows a picking and placing device according to a second embodiment, in top view.
- the elements functionally similar to those presented in the first embodiment bear identical reference numbers increased by a hundred.
- the deformable robot 101 is substantially similar to that described in the first embodiment, except that the conveying structure deformable robot 113 of said deformable robot 101 is deformed so as to move the first handling end 109 within the picking zone 103, and not so as to move the second handling end 111 within the placement zone 105.
- the picking zone 103 is a first belt conveyor and the placement zone 105 is a second belt conveyor.
- the first belt conveyor and the second belt conveyor are arranged according to a first conveying plane and a second conveying plane, respectively.
- the first conveying plane and the second conveying plane are substantially horizontal, but the first conveying plane and the second conveying plane could be inclined.
- the first belt conveyor and the second belt conveyor extend along a first conveying direction and a second conveying direction, respectively.
- the first conveying direction and the second conveying direction together form an angle, here of approximately 90°.
- the first belt conveyor is below the second belt conveyor.
- the deformable robot 101 is attached, at its second handling end 111, to the structure of the second belt conveyor.
- the flexible bodies 137 of the tensioning arms 119 are pre-curved, so that the deformable robot 101 is placed, at its first handling end 109, on the first belt conveyor.
- the crosspieces are positioned near the first handling end 109.
- the first actuator actuates the tensioning blocks 131 arranged at the second handling end 111.
- the first actuator can actuate only one of said tensioning blocks 131.
- the simultaneous sliding of said tensioning blocks 131 causes the deformable robot 101 to move in a direction generally parallel to the second conveying direction.
- the relative sliding of one of said tensioning blocks 131 relative to the other of said tensioning blocks 131 in the direction generally parallel to the second conveying direction causes the movement of the first handling end 109 within the zone of levy 103.
- the first gripping actuator of the first handling end 109 modifies the opening angle of said first handling end 109 so as to pick up an object 107 with precision.
- the second handling end 111 does not have a gripping actuator.
- the motorized stop 145 is positioned near the first handling end 109.
- the first belt conveyor, the second belt conveyor and the third belt conveyor extend in a first conveying direction, a second conveying direction and a third conveying direction, respectively.
- the first conveying direction and the second conveying direction together form an angle, here of approximately 90°.
- the second conveying direction and the third conveying direction together form an angle, here of approximately 90°.
- the first conveying direction and the third conveying direction are substantially parallel.
- the first belt conveyor and the third belt conveyor are below the second belt conveyor.
- the first deformable robot 101 and the second deformable robot 1 are each attached to one of the ends of the structure of the second belt conveyor.
- the first deformable robot 101 is placed on the first belt conveyor at its first handling end 109.
- the first deformable robot 101 is attached to the second belt conveyor at its second handling end 111.
- the second deformable robot 1 is attached to the second belt conveyor at its first handling end 9.
- the second deformable robot 1 overlooks the third belt conveyor at its second handling end 11.
- the first handling end 109 of the first deformable robot 101 is able to be moved in the sampling zone 103 thereof.
- the second handling end 11 of the second deformable robot 1 is able to be moved in the placement zone 5 thereof.
- the first deformable robot 101 picks up at its first handling end 109 an object in its picking zone 103, here the first belt conveyor, with precision.
- the first deformable robot 101 conveys the object to its second handling end 111.
- the first deformable robot 101 then places the object in its placement zone 105, here one end of the second belt conveyor.
- the object is transported by the second belt conveyor to its other end, which forms the picking zone 3 of the second deformable robot 1.
- the second deformable robot 1 picks up the object at its first handling end 9 and conveys this up to its second handling end 11.
- the second deformable robot 1 finally places the object in its placement zone 5, here a packaging tray transported by the third belt conveyor, with precision.
- This figure is a three-quarter view of a picking and placing device according to a third embodiment of the invention, in an object rotation operation.
- the deformable robot 201 is substantially similar to that described in the first embodiment, except that the deformable conveyor structure 213 of said deformable robot 201 is devoid of motorized stop and has models of belts 217 and of flexible bodies 237 of tensioning arms 219 significantly different from those described in the first embodiment.
- each belt 217 has a single strand, which comprises a flat strip 289 and a set of cushions 291 fixed to said flat strip 289.
- the flat bands 289 are substantially similar to the internal flat bands of the belts described in the first embodiment.
- the 289 flat strips are endless.
- the flat bands 289 are in contact with the tensioning arms 219.
- the rollers 243 of the same pair are arranged on either side of the flat band 289 of the belt 217 positioned around said arm tensioner 219 and serve as a guide to said flat strip 289.
- the flat strips 289 are made of rubber or another flexible polymer, possibly reinforced by textile fibers.
- each cushion 291 supports a platform, through which said cushion 291 is in contact with the objects 207 to be moved.
- said platforms have a generally rectangular shape.
- the cushions 291 are arranged so that the platforms of said cushions 291 are contiguous.
- each cushion 291 has the general shape of a truncated pyramid with a rectangular base, which widens from the end of said cushion 291 fixed on one of the flat strips 289 towards the platform supported by said cushion 291.
- the cushions 291 are made of a flexible polymer material, for example silicone or flexible plastic.
- the 291 cushion model is described above as an example.
- Other cushion models are possible, which for example have a geometry specifically adapted to a type of objects with a homogeneous shape, transported in an industrial context.
- the cushions 291 deform in a manner substantially similar to that described for the hollow cells delimited by the belts in the first embodiment.
- an object 207 is taken from the first handling end 209, said object 207 comes into contact with the cushions 291 of the belts 217.
- the cushions 291 located near the object 207 are deformed, elastically, in a direction transverse to the local driving direction of the belt 217. This deformation of the cushions 291 ensures the maintenance of the object 207 between the belts 217 while distributing the contact forces on the object 207. cushions 291 resume their shape once the object 207 reaches the second handling end 211.
- the flexible bodies 237 of the tensioning arms 219 differ from what is described in the first embodiment in that said flexible bodies 237 have a serration, here forming nine teeth. Each tooth supports one of the pairs of legs 241.
- the deformable robot 201 modifies the orientation of the objects 207 conveyed between the first handling end 209 and the second handling end 211.
- the objects 207 undergo a rotation relative to the deformable robot 201.
- this rotation takes place around of an axis perpendicular to the local drive directions of the belts 217, as represented by first arrows 297.
- the rotation of the objects 207 results from a modification of the drive speed of the belts 217.
- the drive movement of the belts 217 is represented by second arrows 293 and third arrows 295.
- second arrows 293 and third arrows 295 are of different lengths, which means that the drive speeds of the belts 217 are different.
- the drive speed of the belt 217 associated with the third arrows 295 is lower than that of the belt 217 associated with the second arrows 293.
- the second arrows 293 and the third arrows 295 are in the same direction, which means that the directions drive belts 217 are the same.
- the direction of drive of the belts 217 is oriented from the first handling end 209 towards the second handling end 211.
- the objects 207 conveyed in the deformable channel 215 continue to advance from the first handling end 209 towards the second handling end 211.
- the objects 207 rotate on themselves, at an angular speed which depends on the difference between the speeds d driving the belts 217. This rotation operation is particularly suitable for making the objects 207 execute a fine rotational movement.
- the rotation of the objects 207 may result from a modification of the driving direction of the belts 217.
- the driving directions of the belts 217 are opposite to each other with respect to the 'other.
- the objects 207 conveyed in the deformable channel 215 stop advancing towards the second handling end 211.
- the objects 207 rotate on themselves, at an angular speed which depends on the drive speeds of each of the belts 217. This operation of alternative rotation is particularly suitable for making objects 207 perform a large rotational movement.
- This figure is a three-quarter view of a picking and placing device according to a fourth embodiment of the invention, in an object rotation operation.
- the elements functionally similar to those presented in the third embodiment bear identical reference numbers.
- the deformable robot 201 is substantially similar to that described in the third embodiment, except that the deformable conveyor structure 213 of said deformable robot 201 is provided with the motorized stop 245.
- the motorized stop 245 is substantially similar to that described in the first embodiment.
- the motorized stop 245 connects the flexible bodies 237 of the tensioning arms 219 to each other from below, near the second handling end 211.
- the motorized stop 245 rotates around its stop axis, relative to the deformable robot 201 Here, this rotation is in the counterclockwise direction, as represented by a fourth arrow 246.
- the rotation of the latter around the axis of stop modifies the orientation of said object 207.
- said object 207 undergoes rotation around an axis parallel to the stop axis, as represented by a fifth arrow 299, relative to the deformable robot 201.
- the deformable conveyor structure 213 is substantially similar to that of the third embodiment, except that said deformable conveyor structure 213 is able to deform in a direction transverse to the deformable robot 201, here a vertical direction .
- the serration on the flexible bodies 237 of the tensioning arms 219 allows a bending movement of the deformable robot 201 in the vertical direction.
- Each tensioner block 231 near the first handling end 209 is topped with a post 253.
- the post 253 rises from the central part 233 of said tensioner block 231, here from the center of it. this.
- the posts 253 extend in the vertical direction, generally parallel to each other.
- the deformable conveyor structure 213 comprises two cables 257.
- the cables 257 extend along the tensioning arms 219, here above said tensioning arms 219.
- each of the cables 257 connects the end of one of the posts 253 to one side of crosspiece 221.
- the fourth actuator pulls slightly on the cables 257, so as to substantially maintain the deformable robot 201 in a plane, here a horizontal plane.
- the deformable conveyor structure 213 is not deformed in the vertical direction.
- This figure is a three-quarter view of a picking and placing device according to a sixth embodiment of the invention.
- the deformable robot 201 is substantially similar to that described in the fifth embodiment, except that the device further comprises a robot arm 258, capable of deforming the deformable conveying structure 213 in three non-directional directions. coplanars of space. The deformation of the deformable conveyor structure 213 is no longer obtained by actuators connected to slides or cables.
- the deformable conveyor structure 213 does not have the first actuator and the fourth actuator described above.
- the robot arm 258 is itself known in the state of the art.
- the robot arm 258 is connected to the deformable robot 201 near the second manipulation end 211.
- the robot arm 258 is connected to the crosspiece 221.
- the robot arm 258 moves the second manipulation end 211 in the three directions of space, within the placement zone.
- This embodiment of the device has the advantage of improving the precision of the movements of the second handling end 211 of the deformable robot 201 in the three directions of space.
- Figures 11, 12 and 13 show a picking and placing device according to a seventh embodiment of the invention, in front view and in side view, in two different positions.
- the deformable conveyor structure 313 of the deformable robot 301 is represented schematically in Figures 12 and 13, without tensioning blocks and crosspieces, in particular.
- the deformable conveying structure 313 is substantially similar to that described in the first embodiment, except that the deformable channel 315 is formed by three tensioning arms 319, here arranged at 120° relative to each other. others, and that said deformable conveying structure 313 comprises three belts 317, each arranged around one of the tensioning arms 319.
- the belts 317 together enclose this object and the 'drive from the first handling end 309 to the second handling end 311.
- One or more crosspieces 321 connect the three tensioning arms 319 together in pairs.
- the crosspieces 321 pass outside the pipe formed by the deformable channel 315.
- the crosspieces 321 maintain the tensioning arms 319 at a substantially constant spacing distance from each other.
- the deformable conveyor structure 313 comprises three crosspieces 321 connecting the radial parts of the tensioning blocks 331 of the tensioning arms 319 together, two by two, near the second handling end 311.
- the first actuator deforms the deformable conveyor structure 313 in a manner substantially similar to that described in the first embodiment, except that the relative translational movement of one of the tensioning blocks 331 relative to the others of the tensioning blocks 331 causes a deformation of the deformable conveyor structure 313 in three non-coplanar directions of space.
- this deformation causes a movement of the second handling end 311 within the placement zone, in the three directions of space.
- the first actuator is inactive.
- the deformable robot 301 is not deformed.
- the first actuator moves, at the first handling end 309, the tensioning block of the tensioning arm 319 shown at the bottom, to the right, relative to the tensioning blocks of the two other tensioning arms 319.
- the second handling end 311 is moved accordingly, here substantially towards the top of the figure.
- the deformable conveyor structure 313 is deformed.
- This embodiment of the device has the advantage of improving the grip of the deformable conveyor structure on the objects to be conveyed. It also makes it possible to rotate these objects uniformly, by varying the drive speeds of the belts differentially, as described above concerning the device in Figure 6.
- the deformable channel is formed by a plurality (two, three , or more) of tensioning arms comprising a soft and flexible body
- the deformable conveying structure comprises a plurality of belts, each arranged around one of the tensioning arms.
- the deformable conveyor structure then generally comprises as many tensioning arms as belts, each tensioning arm acting as a structure carrying a belt.
- the tensioning arms comprising a soft and flexible body are placed outside the belts and are connected together by a deformable tubular structure (made for example from flexible plastic), also placed outside the belts. These belts are then carried by support means (eg pulleys) secured to the interior surface of the tubular structure. As before, the tensioning arms tighten the belts through the tubular structure, and also transmit the deformation of the structure to the belts.
- These tensioning arms can be controlled to ensure a desired deformation of the tubular structure (ie of the deformable channel), and, by implication, a similar deformation of the belts inside said tubular structure. In such an embodiment, there are therefore not necessarily as many tensioning arms as there are belts.
- This figure shows a simulation of a sampling and placement device according to an eighth embodiment of the invention, in three-quarter view.
- the deformable conveying structure 413 comprises a peristaltic movement structure connected to the deformable channel 415.
- the peristaltic movement structure is arranged so as to convey objects 407 taken from the first handling end 409 until 'at the second handling end 411, as represented by a seventh arrow 485.
- sampling area 403 is a bin.
- placement area 405 is a plate chain conveyor.
- the plate chain conveyor is shown horizontally, but said plate chain conveyor can be inclined.
- the plate chain conveyor is positioned at the top of the bin.
- the picking and placing device comprises a base 461, supporting the deformable robot 401.
- the base 461 is generally parallelepiped in shape.
- the base 461 is positioned between the sampling zone 403 and the placement zone 405.
- the deformable conveyor structure 413 comprises a column 463, supporting the deformable channel 415.
- the column 463 extends along an axis, here a vertical axis.
- column 463 is supported by base 461.
- the deformable channel 415 comprises a sleeve 465, fitted onto the column 463.
- the sleeve 465 is arranged so as to be able to rotate around the axis of the column 463 relative to the base 461.
- the sleeve 465 is of the shape generally cylindrical.
- the sleeve 465 is hollow.
- the deformable channel 415 further comprises a first deformable arm 467 and a second deformable arm 469, connected by the sleeve 465.
- the first deformable arm 467 has at its end opposite the sleeve 465 the first handling end 409.
- the second deformable arm 469 has at its end opposite the sleeve 465 the second handling end 411.
- the first deformable arm 467 is deformed so as to move the first handling end 409 within the sampling zone 403, as represented by an eighth arrow 481.
- the second deformable arm 469 is deformed so as to move the second handling end 411 within the placement zone 405, as represented by a ninth arrow 483.
- the first deformable arm 467 and the second deformable arm 469 are of generally elongated shape.
- the first deformable arm 467 and the second deformable arm 469 each have a set of tubular portions 471, connected one after the other.
- the first deformable arm 467 and the second deformable arm 469 each have eleven tubular portions 471.
- the peristaltic movement structure is housed in the deformable channel 415.
- the peristaltic movement structure connects the first manipulation end 409 to the second manipulation end 411.
- the peristaltic movement structure is housed inside the first deformable arm 467, of the sleeve 465 and the second deformable arm 469.
- the peristaltic movement structure comprises peristaltic rings 473 positioned one after the other.
- Each peristaltic ring 473 has a row of inflatable actuators 475.
- Each inflatable actuator 475 has a set of silicone cavities 477. When said inflatable actuator 475 inflates, said silicone cavities 477 unfold, filling with air. When said inflatable actuator 475 deflates, said silicone cavities 477 collapse, expelling the air.
- each inflatable actuator 475 has five silicone cavities 477.
- the silicone cavities 477 are generally saucer-shaped.
- the deformable conveyor structure further comprises an internal conduit 479 supported by the inflatable actuators 475.
- the internal conduit 479 forms a conduit for the objects 407.
- the inflatable actuators 475 modify the section of the internal conduit 479 by inflating one after the other others, as shown in Figures 15 to 17 for example.
- This deformation of the internal conduit 479 exerts a constriction on the object 407 to be conveyed, so as to advance said object 407 in the internal conduit 479 by a peristaltic movement.
- Figures 15 to 17 show a progression of object 407 from right to left.
- the invention is not limited to the embodiments described above, but encompasses all the variants conceivable by those skilled in the art. Especially :
- the deformable conveyor structure 413 of the deformable robot 401 described in the eighth embodiment can comprise, instead of the peristaltic movement structure 459, a suction system and a blower system connected to the deformable channel 415, housed in the first deformable arm 467 and the second deformable arm 469, respectively;
- the deformable conveyor structure 413 of the deformable robot 401 described in the eighth embodiment may comprise, instead of the peristaltic movement structure 459, an eyelash mechanism moving an object 407 in the deformable channel 415 by a coordinated beat.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Robotics (AREA)
- Specific Conveyance Elements (AREA)
- Manipulator (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2206157A FR3137009B1 (fr) | 2022-06-22 | 2022-06-22 | Convoyeur déformable |
| PCT/EP2023/066852 WO2023247644A1 (fr) | 2022-06-22 | 2023-06-21 | Convoyeur déformable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4543641A1 true EP4543641A1 (fr) | 2025-04-30 |
Family
ID=83280587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23741266.3A Pending EP4543641A1 (fr) | 2022-06-22 | 2023-06-21 | Convoyeur déformable |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20250368451A1 (fr) |
| EP (1) | EP4543641A1 (fr) |
| JP (1) | JP2025520576A (fr) |
| KR (1) | KR20250028281A (fr) |
| CN (1) | CN119585091A (fr) |
| CA (1) | CA3257226A1 (fr) |
| FR (1) | FR3137009B1 (fr) |
| WO (1) | WO2023247644A1 (fr) |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1241346B (de) * | 1966-03-31 | 1967-05-24 | Lemfoerder Kunststoff G M B H | Deckbandfoerderer |
| US4025121A (en) * | 1976-02-26 | 1977-05-24 | The United States Of America As Represented By The Secretary Of The Interior | High-pressure injection hydraulic transport system with a peristaltic pump conveyor |
| US4180156A (en) * | 1977-06-20 | 1979-12-25 | Grubman Viktor G | Device for handling flaskless moulds |
| GB2140376B (en) * | 1983-04-26 | 1986-08-06 | Zuerich Verpackungstech | Carrier for a drag chain conveyor for loose articles |
| US4561537A (en) * | 1983-08-17 | 1985-12-31 | Continental Conveyor & Equipment Co., Inc. | Pressure device for conveyor |
| US4779715A (en) * | 1987-10-07 | 1988-10-25 | Apv Douglas Machine Corporation | Lane divider |
| US5090557A (en) * | 1990-06-01 | 1992-02-25 | Don Carmen | Side grip member for conveyor systems |
| US5492216A (en) * | 1994-03-09 | 1996-02-20 | Simplimatic Engineering Company | Method and apparatus for transferring containers while maintaining vertical orientation |
| US5573103A (en) * | 1994-10-24 | 1996-11-12 | Agr International, Inc. | Speed adjusting apparatus for containers |
| GB0008986D0 (en) * | 2000-04-13 | 2000-05-31 | Rhm Tech Ltd | Handling device |
| WO2002060790A1 (fr) * | 2001-01-30 | 2002-08-08 | Torben Hove Jensen | Procede et systeme d'acheminement servant a acheminer de maniere controlee un flux de marchandises descendant par gravite |
| US6846029B1 (en) * | 2001-08-09 | 2005-01-25 | Gary Dean Ragner | Torus-shaped mechanical gripper |
| US6854586B1 (en) * | 2003-11-06 | 2005-02-15 | Goldco Industries, Inc. | Unstable article conveying device with diverter having curved path |
| US7334676B1 (en) * | 2006-02-08 | 2008-02-26 | Pearson Packaging Systems | Compensating roller system |
| US8127712B2 (en) * | 2006-07-07 | 2012-03-06 | Von Ardenne Anlagentechnik Gmbh | Vacuum coating system comprising a transport unit for transporting substrates |
| JP2014124741A (ja) * | 2012-12-27 | 2014-07-07 | Seiko Epson Corp | エンドエフェクター |
| JP7220115B2 (ja) * | 2019-04-09 | 2023-02-09 | 川崎重工業株式会社 | ロボットハンド、ロボット及びロボットシステム |
| IT201900008835A1 (it) * | 2019-06-13 | 2020-12-13 | Regina Catene Calibrate Spa | Tampone gommato, in particolare per catene per linee di movimentazione/sollevamento di prodotti. |
| US12090519B2 (en) * | 2019-10-03 | 2024-09-17 | Ems Group S.P.A. | Method for controlling containers, in particular made of glass and related apparatus |
-
2022
- 2022-06-22 FR FR2206157A patent/FR3137009B1/fr active Active
-
2023
- 2023-06-21 US US18/875,877 patent/US20250368451A1/en active Pending
- 2023-06-21 CN CN202380048739.7A patent/CN119585091A/zh active Pending
- 2023-06-21 JP JP2024574588A patent/JP2025520576A/ja active Pending
- 2023-06-21 EP EP23741266.3A patent/EP4543641A1/fr active Pending
- 2023-06-21 CA CA3257226A patent/CA3257226A1/fr active Pending
- 2023-06-21 KR KR1020247042452A patent/KR20250028281A/ko active Pending
- 2023-06-21 WO PCT/EP2023/066852 patent/WO2023247644A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3137009A1 (fr) | 2023-12-29 |
| CA3257226A1 (fr) | 2023-12-28 |
| FR3137009B1 (fr) | 2024-10-25 |
| CN119585091A (zh) | 2025-03-07 |
| WO2023247644A1 (fr) | 2023-12-28 |
| JP2025520576A (ja) | 2025-07-03 |
| KR20250028281A (ko) | 2025-02-28 |
| US20250368451A1 (en) | 2025-12-04 |
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