FR2887227A1 - DEVICE FOR PACKING STORED GOODS ON A PALLET - Google Patents

Abstract

The present invention relates to a device (100) for packing goods (M) stored on a pallet (P), the device (100) comprising a set of slides (220) joined by a connecting plate (230) so as to being able to be placed under said pallet, a bracket (300) fixed on said connecting plate (230) and which supports a mobile rotating arm (400) comprising a first element (410) connected to the bracket by a shaft (546) of link and a second member (420) provided for rotation about the pallet (P) and on which a carrier (430) adapted to hold a film reel (B) can slide. The device is characterized in that it is provided with a drive means (500) of the carrier (430) in a helical path so that the film reel (B) can wrap in unwinding of the goods (M). stored on the pallet (P).

Description

The present invention relates to a device for wrapping

  merchandise stored on a pallet.

  To wrap merchandise placed on a pallet, it is possible to use a reel containing a reel of plastic film which is unrolled manually by turning around the pallet to be wrapped. This operation is tiring and random reproducibility insofar as it does not control the film tension as well as the recovery height of the film.

  For this, we invented a device that performs the same work. Such a known device comprises a motorized frame which rotates around the pallet by uncoiling and moving the reel upwards. Such a device is bulky, which requires to have an important location to rotate around the pallet. It is also expensive to manufacture.

  Devices are also known provided with a rotating arm whose vertical arm supports a reel and which can rotate around the pallet. However, these devices are generally complicated.

  The object of the invention is therefore to provide a device for packaging merchandise stored on a pallet which is as effective as the motorized devices of the prior art, but which requires a lower work surface or is simpler.

  For this purpose, there is provided a device for packing goods stored on a pallet, the device comprising a set of slides joined by a connecting plate so as to be placed under said pallet, a bracket fixed on said connecting plate and which supports a rotatable movable arm comprising a first element connected to the stem by a connecting shaft and a second element designed to rotate around the pallet and on which can slide a support provided to hold a film reel, the device being remarkable in that it is provided with a means for driving the support along a helical path so that the film reel can wrap in unwinding of the goods stored on the pallet.

  It is thus easy to wrap the merchandise stored on said pallet on a low surface location, and without moving it.

  According to an additional feature of the invention, the drive means comprises a first mechanism for driving the mobile arm to rotate, a second drive mechanism in translation of the support whose movement is slaved to that of the first drive mechanism. .

  This gives a constant recovery height of the film on the goods.

  According to an additional feature of the invention, the first mechanism comprises an articulated pusher adapted to cooperate successively with each of the notches of a notched wheel coupled via a transmission to the movable arm, the articulated pusher being recalled by a return means, the articulated pusher being able to be reciprocated by means of a carriage slidably mounted between two flanges and which can be driven reciprocally by means of a fork driven by a lever maneuver.

  The operation of the device can thus be implemented manually.

  According to an additional feature of the invention, and in an alternative embodiment of the first mechanism, it comprises an electric motor mounted at the foot of the bracket and which communicates to the movable arm its drive movement via a vertical shaft connected to a transmission type belt and pulleys or chain and sprockets.

  According to an additional feature of the invention, the first mechanism comprises a non-return mechanism intended to prevent the return of the moving arm in the opposite direction in order to avoid relaxing the film being wound around the pallet.

  According to an additional feature of the invention, the antiretour mechanism comprises a pawl recalled by a biasing means and which cooperates successively with each of the slots of the notch wheel.

  According to an additional characteristic of the invention, the anti-return mechanism consists of a freewheel.

  According to an additional feature of the invention, the second drive mechanism comprises a first belt transmission for returning the movement of the notched wheel or the transmission connected to the vertical shaft on the movable arm, a second transmission by belt connected to the first and at least one strand runs along the second element of the movable arm, the support being coupled to said strand by means of a clamp.

  According to an additional feature of the invention, the first transmission comprises a first pulley coupled to the notched wheel or the transmission connected to the vertical shaft, and a second pulley mounted to rotate freely on the link shaft and a first connecting belt, the second transmission comprising a third pulley rotatably mounted on the connecting shaft while being coupled to the second pulley, a set of return pulleys mounted at the intersection of the first element with the second element and a fourth pulley mounted at the free end of the second element, the third pulley and fourth pulley and the set of return pulleys being joined by a second belt provided with said strand.

  1 According to an additional feature of the invention, the support comprises a plate on which are mounted rollers arranged so that they can slide the support along the second element, the plate being extended by a vertically supporting leg a stud adapted to receive a film reel, the rotational movement of the film reel being braked by a pressing puck held opposite the stud by means of a finger fixed on the paw parallel to the axis of the stud, the clamp being fixed against the plate being disposed on the path of said strand of the second belt.

  According to an additional characteristic of the invention, the clamp comprises a fixed impression, a movable impression of complementary shapes and between which said strand may be placed, as well as a cam presser moved by a handle to move the movable impression towards fixed impression.

  According to an additional characteristic of the invention, the device is provided with means for stabilizing its attitude during its operation.

  According to an additional feature of the invention, the stabilizing means comprise two pads arranged at the rear of the connecting plate and which are driven by a toggle pedal driven by a pedal that can be applied to the ground.

  According to an additional feature of the invention, rollers are respectively disposed under the slideways being rotatably mounted under the effect of a rotation control comprising a set of rods connected, on the one hand, to two rotating plates supporting said casters and, secondly, to a maneuvering means.

  According to an additional feature of the invention, the bracket, the movable arm and the carrier drive means for a coil of film following a helical path, are mounted on a pallet carrier.

  The characteristics of the invention mentioned above, as well as others, will appear more clearly on reading the following description of an exemplary embodiment, said description being made in connection with the attached drawings, among which: FIG. . 1 is a side view of a device for packing goods according to the invention, FIG. 2 is a top view of a device for packing goods according to the invention, FIG. 3a is a front view of a support for holding a film reel of a device for packing goods according to the invention, FIG. 3b is a top view of a support for holding a film reel of a device for packing goods according to the invention, FIG. 3c is a side view of a carrier for holding a film reel of a goods wrapping device according to the invention, FIG. 4 is a top view of a rotary drive mechanism of the movable arm of a device for packaging goods according to the invention.

  Device 100 for packing goods, shown in Figs. 1 and 2, comprises a frame 200 on which is mounted a bracket 300 supporting at its free end a rotatable movable arm 400 on which can slide a support 430 adapted to receive a coil B of film.

  The frame 200 is mounted on wheels 210 to allow its placement under a pallet P. It is constituted for this purpose two rails 220 arranged parallel to one another by being joined at one of their ends by a plate link 230 to be placed under said pallet. The bracket 300 is mounted on the connecting plate 230.

  The device 100 is provided with stabilization means 240 of its plate during its operation. These stabilizing means 240 comprise two pads 242 disposed at the rear of the connecting plate 230 and which are driven by a toggle driven by a pedal 244 may apply to the ground.

  To allow its positioning, the rear rollers 210, that is to say those that are disposed at the rear of the connecting plate 230, are mounted freely rotatably. It will also be noted in FIG. 2, that the front rollers 210, that is to say those under the two runners 220, are preferably rotatably mounted via a rotary control 250 comprising a set of connected rods 252, on the one hand, with two rotating flanges 254 supporting said rollers and, on the other hand, with an operating means 256 such as a set of steerable handles.

  The stem is constituted in FIG. 1, a first beam 302 fixed perpendicularly to the connecting plate 230 and which is extended by a second beam 304 rotated in the same direction as the rails 220 and which supports at its free end the movable arm 400.

  The movable arm 400 comprises a first horizontal element 410 associated with its free end to a second vertical element 420 turned downwards of polygonal section, consisting for example of a section of square section and which supports freely sliding the support 430 intended to receive a coil B of heat-shrinkable film intended to pack merchandise M stored on the pallet P. In Figs. 3, the support 430 consists mainly of a plate 432 on which are mounted rollers 434 arranged so that they can slide along the second element 420 and whose profile is complementary to that of said second element 420. plate 432 is extended by a tab 440 vertically supporting a stud 442 adapted to receive a coil B of film. The rotational movement of this film reel B is braked by a presser puck 444 held by a finger 446 fixed on the tab 440 parallel to the axis of the stud 442 to adjust the tension of the film. This presser puck 444 is actuated by a lever 448 of toggle type.

  In FIG. 1, the device 100 is provided with a drive means 500 of the support 430 in a helical path so that a heat-shrinkable film unwound from the reel B can envelop the merchandise M stored on the pallet P. For this purpose , the drive means 500 comprises a first mechanism 510 for rotating the movable arm 400 and a second mechanism 560 for translational drive of the support 430 and whose movement is slaved to that of the first mechanism 510 of training.

  The first mechanism 510 is disposed along the second beam 304 of the bracket 300. It mainly comprises in FIG. 4 an articulated pusher 512 which cooperates with a notched wheel 530 adapted to rotate the transmission, by means of a transmission 540, the movable arm 400. The articulated pusher 512 is recalled by a return means 514 such that a spring, and it is reciprocated by means of a carriage 516 slidably mounted between two flanges 518 and which can be reciprocated by means of a fork 520 driven by a lever 522 of manually operated maneuver. The carriage 516, the fork 520 and the lever 522 are also visible in FIG. 1 In FIG. 4, the free end of the articulated pusher 512 cooperates successively with each of the notches 532 of the notch wheel 530 mounted on a shaft 534 connected to the transmission 540 which is preferably of the chain / pinion type for the arm rotation drive mobile 400 around the pallet. This transmission 540 comprises in FIGS. 1 and 4 a first pinion 542 fixed on the shaft 534, a second pinion 544 fixed on a connecting shaft 546 passing through the second beam 304 and which connects it with the first element 410 of the movable arm 400. A chain connects the two pinions 542 and 544.

  Thus, the reciprocating actuation of the lever 522 rotates the movable arm 400 about the connecting shaft 546.

  The first mechanism 510 further comprises, in FIG. 4, a non-return mechanism 550 to prevent the reverse of the moving arm 400 to avoid relaxing the current film (the winding around the pallet.

  The anti-return mechanism 550 comprises a pawl 552 biased by a return means 554 such as a spring and which cooperates successively with each of the notches 532 of the notch wheel 530.

  In an alternative embodiment not shown, the anti-return mechanism 550 consists of a freewheel.

  The lever 522 and its fork 520, the carriage 516, the articulated pusher 512 and the notch wheel 530 are, in an alternative embodiment of the first mechanism not shown, replaced by an electric motor mounted at the foot of the bracket 300 to lower the center of gravity of the device 100 and which communicates its drive movement to the movable arm via a vertical shaft connected to a transmission type belt and pulleys or chain and sprockets. Again, the anti-return mechanism may consist of a freewheel.

  In FIG. 1, the second drive mechanism 560 is adapted to provide translational movement to the carrier 430 along the second member 420 of the movable arm 400 when the latter is rotated.

  It comprises, for this purpose, a first transmission 562 by belt, intended to return the movement of the notched wheel or transmission connected to the vertical shaft on the connecting shaft 546, and a second transmission 570 by belt, provided to move the support 430 of the film reel along the second vertical element 420 of the movable arm 400.

  The first transmission 562 consists of a first pulley 564 fixed on the shaft 534 and coupled to the first pinion 542, a second pulley 566 rotatably mounted on the connecting shaft 546, the two pulleys 564 and 566 being joined by a first belt 568.

  The second transmission 570 belt consists of a third pulley 572 rotatably mounted on the connecting shaft 546 being coupled to the second pulley 566, a set of return pulleys 574 mounted at the intersection of the first element 410 with the second element 420 and a fourth pulley 576 mounted at the free end of the second element 420, the two pulleys 572, 576 and the set of return pulleys 574 being joined by a second belt 578, so that that the two strands of the second belt 578 can circulate along the second element 420 of the mobile arm 400 in order to be able to drive the support 430.

  This is provided for this purpose in Figs. 3, a clamp 450 fixed against the plate 432 being disposed in the path of one of the strands R of the second belt. The clamp 450 comprises in FIG. 3c, a fixed footprint 452, a movable footprint 454 of complementary shape to the fixed footprint 452 and between which it is appropriate to place said strand R, and a cam presser 456 mu by a joystick to move the movable footprint 454 in the direction of the fixed impression 452 to clamp the strand R to allow the longitudinal displacement of the support 430 by it, along the second element 420, during the rotary drive of the movable arm.

  In FIG. 1, the belts 568 and 578 and their associated pulleys are preferably notched type to eliminate the slippage likely to occur between them and said pulleys.

  It will be noted that the ratio of the diameters between the second pulley 566 and the third pulley 572 determines the value of the covering of the film at each revolution of the mobile arm 400. By way of illustration, a covering of 250 mm for a coil of height equal to 400 mm is a correct value.

  In Figs. 1 and 2, a retractable stop 460 is provided on the frame 200 to correctly position the device 100 in depth and laterally under the pallet P, so that it can be placed centrally centrally in the axis of the pallet. 546 connecting shaft.

  The device of the invention can easily be adapted, for most of its constituents, to a commercial pallet carrier. It is thus possible to mount removably or not the stem provided with its movable arm and the drive means of the coil holder on the frame of such pallet carrier. Stabilizing means such as those described above can also be adapted to the pallet carrier.

  The device 100 for packing goods operates in the following manner. A coil B of film is installed in the support 430 which is brought down by opening and closing the clamp 450, and then the device 100 is placed so that the rails 220 can be placed between the feet of the pallet P taking care to put it in abutment on the retractable stop 460. The device 100 is blocked on the ground by operating the pedal 244 to bring the pads 242 into contact with the ground, and then the film of the reel B is finally attached to the palette.

  An operator actuates the lever 522, which has the effect of rotating the second element 420 of the movable arm 400 around the merchandise M, thereby causing the coil B, so that the film is unwound around said merchandise for the wrap around in this a helical motion.

  When the merchandise M is packaged, the operator separates the film from the spool and then removes the device 100 from under the pallet P after having raised the shoes 242 from the ground.

  In an alternative embodiment, not shown, the device for packing goods is provided with a drive means, such as an electric motor attached to the foot of the bracket to facilitate its movement.

  The device for packaging goods of the invention thus makes it possible to pack goods stored on a pallet without it being necessary to move it. Its operating space is relatively small.

  By its simplicity of construction, its cost price is quite low.

Claims (15)

  1) Device (100) for packing goods (M) stored on a pallet (P), the device (100) comprising a set of slides (220) joined by a connecting plate (230) so as to be able to be placed under said pallet, a bracket (300) fixed on said connecting plate (230) and supporting a rotatable movable arm (400) comprising a first element (410) connected to the bracket by a connecting shaft (546) and a second element (420) provided for rotation around the pallet (P) and on which a support (430) adapted to hold a film reel (B) can slide, characterized in that it is provided with means for driving (500) the support (430) in a helical path so that the film reel (B) can wrap by unwinding the merchandise (M) stored on the pallet (P).   2) Device (100;) according to claim 1, characterized in that the drive means (500) comprises a first mechanism (510) for rotating the movable arm (400), a second mechanism (560) d translational drive of the support (430) whose movement is slaved to that of the first drive mechanism (510).   3) Device (100) according to claim 2, characterized in that the first mechanism (510) comprises an articulated pusher (512) adapted to cooperate successively with each of the notches (532) of a notched wheel (530) hitched by via a transmission (540) to the movable arm (400), the articulated pusher (512) being biased by a return means (514), the articulated pusher (512) being reciprocally movable by the intermediate of a carriage (516) slidably mounted between two flanges (518) and which can be reciprocated by means of a fork (520) driven by a lever (522) maneuvering.   4) Device (100) according to claim 2, characterized in that the first mechanism comprises an electric motor mounted at the bottom of the bracket (300) and which communicates to the movable arm (400) its drive movement via a vertical shaft connected to a transmission type belt and pulleys or chain and sprockets.   5) Device (100) according to claim 2, 3 or 4, characterized in that the first mechanism (510) comprises a non-return mechanism (550) for preventing Il the reverse direction of the movable arm (400) for avoid slackening the wrapping film around the pallet.   6) Device (100) according to claim 5, characterized in that the anti-return mechanism (550) comprises a pawl (552) biased by a biasing means (554) and which cooperates successively with each of the notches (532) of the notch wheel (530).   7) Device (100) according to claim 5, characterized in that the non-return mechanism (550) consists of a freewheel.   8) Device (100) according to any one of claims 2 to 7, 10 characterized in that the second drive mechanism (560) comprises a first transmission (562) by belt for returning the movement of the notch wheel (530) or the transmission connected to the vertical shaft on the movable arm (400), a second belt transmission (570) connected to the first and at least one strand (R) running along the second element (420). ) of the movable arm (400), the support (430) being coupled to said strand (R) by means of a clamp (450).   9) Device (100) according to claim 8, characterized in that the first transmission (562) comprises a first pulley (564) coupled to the notch wheel (530) or the transmission connected to the vertical shaft, and a second pulley (566) freely rotatably mounted on the connecting shaft (546) and a first connecting belt (568), the second transmission (570) comprising a third pulley (572) rotatably mounted on the shaft ( 546) being coupled to the second pulley (566), a set of return pulleys (574) mounted at the intersection of the first member (410) with the second member (420) and a fourth pulley (576) mounted at the free end of the second member (420), the third pulley (572) and fourth pulley (576) and the set of return pulleys (574) being joined by a second belt (578) provided with said strand (R) .   10) Device (100) according to claim 8 and 9, characterized in that the support (430) comprises a plate (432) on which are mounted rollers (434) arranged so that they can slide the support (430) along the second element (420), the plate (432) being extended by a lug (440) vertically supporting a stud (442) adapted to receive a film reel (B), the rotational movement of the reel (B) film being braked by a pressing puck (444) held opposite the stud (442) by means of a finger (446) fixed on the tab (440) parallel to the axis of the stud (442), the clamp (450) being fixed against the plate (432) being disposed on the path of said strand (R) of the second belt (578).   11) Device (100) according to claim 10, characterized in that the clamp (450) comprises a fixed impression (452), a movable footprint (454) of complementary shapes and between which can be placed said strand (R), and a cam presser (456) moved by a joystick to move the movable footprint (454) toward the fixed footprint (452).   12) Device (100) according to any one of the preceding claims, characterized in that it is provided with stabilization means (240) of its plate 1 o during its operation.   13) Device (100) according to claim 12, characterized in that the stabilizing means (240) comprise two pads (242) disposed at the rear of the connecting plate (230) and which are driven by a toggle driven by a pedal (244) capable of applying them on the ground.   14) Device (100) according to any one of the preceding claims, characterized in that rollers (210) are respectively disposed under the slideways (220) being mounted in a rotatable manner under the effect of a rotary control ( 250) comprising a set of rods (252) connected, on the one hand, to two rotary flanges (254) supporting said rollers (210) and, on the other hand, to an operating means (256).   15) Device (100) according to any one of the preceding claims, characterized in that the bracket (300), the movable arm (400) and the drive means (500) of the support (430) for a coil (B ) film following a helical path, are mounted on a pallet carrier.