JP3479862B2 - Depalletizer for profile - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a profile depalletizer. 2. Description of the Related Art Conventionally, for example, in the process of manufacturing an extruded aluminum material, short shapes obtained by cutting an extruded aluminum material into a predetermined length are sequentially stacked on an aging pallet via a spacer. This is introduced into a heating furnace to perform aging treatment on the aluminum profiles on the pallets, then unload the profiles from each pallet, frame each profile on the electrolytic frame, and send it to the surface treatment process. Was. [0003] However, in the conventional depalletizing operation of the profile, the profile loaded in several stages is taken out one by one, and therefore, the deformation of the spacer or the removal position of the spacer is taken out. Each time an error occurred, the work had to be interrupted. [0004] Further, there is a problem that, after the removal of the profile, the next pallet moves and there is a time loss until the next profile can be taken out, and the frequency of waiting for the operator is high. . SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems of the prior art, and to unload a profile from a pallet, it is possible to collectively unload multi-stage parallel profiles. It is an object of the present invention to provide a profile depalletizer with excellent unloading efficiency, in which there is no interruption or time loss of the operation as described above, and the frequency of waiting for the operator is extremely low. [0006] In order to achieve the above object, a profile depalletizer according to the present invention comprises a plurality of parallel-shaped profiles stacked in a plurality of stages on a pallet via a plurality of spacers. The pallet is provided with a plurality of sets of front and rear columns, one pair each on the right and left sides of the rectangular pallet base, and spacer receiving claws are provided at different heights on both front and rear sides of the left and right columns. A holder capable of moving up and down and moving left and right is disposed above the unloading position of the profile loading pallet, and a profile discharge conveyor is disposed on one side of the pallet. Are attached to the left and right supports of the left and right supports of the pallet base. The unloading hanging members are attached to the front and rear spacers of the opposed supports. In addition to having the number of depallet claws corresponding to the claws, the front and rear unloading hanging members move freely close to and away from the support, and are parallel to the front and rear spacer receiving claws of the left and right support of the pallet base. The spacers that support the profile are passed at different heights on both the front and rear sides of the left and right columns, and the parallel profiles are stacked on the pallet in multiple stages via these spacers, and the pallet is held at the unloading position In this state, the holder is lowered by the operation of the elevating mechanism, and the left and right ends of the spacer are supported by front and rear unloading hanging members having depallet pawls disposed on the front and rear sides of the left and right supports of the pallet base. Then, the multi-step shaped members are collectively hung by the unloading hanging member, and then, in this state, the front unloading hanging member and the rear unloading hanging member are opened, The holder is raised, the holder is moved above the conveyor for shape discharge by the operation of the holder left and right moving mechanism, and then the holder is lowered by the operation of the elevating mechanism, so that the parallel shaped material is lower than that of the lower section. It is characterized by being sequentially unloaded. Next, an embodiment of the present invention will be described with reference to the drawings. With reference to FIGS. 1 and 3, a profile depalletizer according to the present invention comprises a plurality of parallel-shaped depalletizers stacked on an aging pallet (1) via a plurality of spacers (3) and (3). Unloads the material (2). The pallet (1) is composed of a plurality of columns (12) and (12) on the left and right side edges of the rectangular pallet base (11).
It has. Spacer receiving claws (13), (13), (14), (14) are provided on the front and rear sides of the left and right columns (12), (12) at a plurality of levels different from each other. The loading of the parallel shaped members (2) is carried out by a loading device (not shown), and the entire pallet (1) after the loading of the shaped members (2) is moved to the unloading position by a crane (not shown). Conveyed. Referring to FIGS. 1 and 2, a holder (30) which can be moved up and down and is movable right and left is arranged above the unloading position of the profile loading pallet (1).
(1) A profile discharge conveyor (20) is arranged on one side. On the left and right side edges of the holder (30), the unloading hanging members (21) (21) which are positioned opposite to the front and rear sides of the left and right columns (12) and (12) of the pallet base (11). ) (22) and (22) are attached. Referring to FIG. 4, these unloading hanging members (21), (21), (22) and (22) are respectively provided with opposing columns (12).
The front and rear spacer receiving claws (13), (13), (14), and (14) of (12) have a number of depallet claws (23), (23), (24), and (24). Front and rear unloading hanging members (21) (21) (22) (22)
Is adapted to move freely close to and away from the left and right columns (12), (12). (Operation) In the above-mentioned depalletizer for profile members, referring to FIGS. 1 and 3, the front and rear spacer receiving claws (13), (13), (14) of the left and right columns (12), (12) of the pallet base (11). )(14)
In addition, the spacers (3) and (3) that support the parallel-shaped members (2) are passed at different heights on the front and rear sides of the left and right columns (12) and (12), and the parallel-shaped members (2) are The pallet (1) is stacked on the pallet (1) via these spacers (3) (3) in a multistage manner. Referring next to FIGS. 2 and 4, when the pallet (1) is held at the unloading position,
The holder (30) is lowered by the operation of the lifting mechanism. By lowering the holder (30), the pallet base
On both sides of the left and right struts (12) and (12) of (11), depallet claws (23) (2
3) (24) (21) (21) (21) (2)
2) (22) is dealt. Referring now to FIGS. 4 and 5, the front and rear unloading hanging members (21), (21), (22) and (22) are respectively connected to the left and right columns (1).
2) By moving closer to (12), the depallet claws (23) (23) (24) (24) are positioned near the lower sides of the left and right ends of the front and rear spacers (3) (3) . Hanging member for unloading front and rear (21) (21) (22) (22)
The left and right ends of the spacers (3) and (3) are supported by the depallet claws (23) (23) (24) (24) as the
(2) are suspended collectively by the unloading hanging members (21), (21), (22), and (22). Then, in this state, the front unloading hanging members (21) and (21) and the rear unloading hanging members (22) and (22) are respectively spaced apart from the left and right columns (12) and (12) by a predetermined distance. I.e., the spacer supported by the depay nails (23) (23) (24) (24)
(3) (3) are the front and rear spacer receiving claws (13) (1)
3) (14) (14) Positioned on both front and rear outer sides, so that the spacer (3) (3) does not hit these receiving claws (13) (13) (14) (14) when ascending. It is moved and opened at a predetermined interval. Thus, the front unloading hanging member (21)
The parallel shaped members (2) placed on the spacers (3) and (3) in the previous stage supported by the depayer claws (23) and (23) of (21) are different from each other in height and on the rear side. Subsequent spacer supported by the depallet claws (24) (24) of the unloading hanging members (22) (22)
(3) The parallel shaped members (2) placed on (3) move so that they are shifted back and forth from each other, and the parallel shaped members (2)
(2) is opened such that their front and rear ends protrude forward and backward in a staggered manner. In this state, the holder (30) is raised by the operation of the lifting / lowering mechanism (32), and all the front / rear unloading hanging members (21), (21), (22), (22) are mounted on the pallet (11). Left and right support (12)
Raise to the height exceeding the upper end of (12), and depallet claws (23) (23) (24) (24) of the front and rear unloading hanging members (21) (21) (22) (22)
By this, all the spacers (3) and the parallel-shaped members (2) of all the stages loaded thereon are lifted at once. Next, as shown in FIG. 2, the holder (30) is moved above the parallel belt conveyor (20) extending in the left-right direction by the operation of the left-right moving mechanism (42). Then, the holder (30) is lowered by the operation of the lifting / lowering mechanism (32). Thereby, among the parallel-shaped members (2) suspended by the unloading hanging members (21), (21), (22), (22), first, as shown in FIG. The material (2) is placed on the upper surface of the parallel belt conveyor (20) extending in the left and right direction, and the holder (30) and the hanging members (21), (21), (22), (22) for front and rear unloading continue. The spacer (3), which has been lowered to the required height and opened from the support of the parallel-shaped members (2), is removed from the depallet claws (23, 23). Next, the holder is operated by the operation of the lifting mechanism (32).
(30) is located at a position where the lower ends of the unloading hanging members (21), (21), (22), (22) are at a level higher than the parallel-shaped members (2) on the belt conveyor (20). In this way, the required height is raised, the lowermost parallel-shaped members (2) are carried out by the operation of the belt conveyor (20), and then the holder (30) is lowered again by the operation of the elevating mechanism (32). Then, the second parallel shaped members (2) from the bottom are placed on the upper surface of the belt conveyor (20),
In the same manner, the parallel shaped members (2) are carried out one by one from the bottom in order by the conveyor (20) so that the so-called step-off processing is performed one by one. According to the above-described depalletizer for a shaped material, when unloading the shaped material (2) from the aging pallet (1) or the like, the multistage parallel shaped materials (2) are unloaded at once. Since there is no interruption or time loss as in the related art, and the frequency of waiting for the operator is very low, the efficiency of unloading is very good. The pallet (1) is a rectangular pallet base (1
1) left and right side edges of the left and right pair of front and rear columns (12)
(12), and spacer receiving claws (13) (13) (14) (14) are provided at the front and rear sides of the left and right columns (12) (12) at different heights. The unloading hanging members (21), (21), (22), and (22) attached to the
The number of Deparé nails (23) (23) (24) (24) corresponding to the front and rear spacer receiving claws (13) (13) (14) (14) of (12) are also provided at different heights from each other. Therefore, the loading efficiency of the parallel shaped members (2) is very large. Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows the entire shape depalletizer of the present invention, and FIG. 3 shows an aging pallet (1) on which parallel shaped materials (2) are loaded. In the figure, a profile depalletizer according to the present invention is a parallel shaped profile (2) which is stacked on an aging pallet (1) via a plurality of spacers (3) and (3) in multiple stages.
Is to unload. The pallet (1) is provided with four pairs of columns (12) and (12) on the left and right sides of the rectangular pallet base (11). Spacer receiving claws (13), (13), (14), (14) are provided on the front and rear sides of the left and right columns (12), (12) at seven levels and six levels at mutually different heights. The upright four columns 16 for transporting the pallet 1 in total on the left and right sides have hooks 17 at their upper ends, and these hooks 17 are connected to a crane or the like (not shown). ) And pallets (1) after loading
The whole is to be transported to the unloading position. At the unloading position shown in FIGS. 1 and 2,
Above the pallet (1), a holder (30) that can move up and down and move to the left and right is arranged.On the right side of the pallet (1), a conveyor ( Two
0) are arranged so as to extend in a direction perpendicular to the parallel-shaped members (2), that is, in the left-right direction. The lifting / lowering mechanism (32) and the left / right moving mechanism (42) of the holder (30) will be described later. At the left and right side edges of the holder (30), there are hanging members for unloading having a substantially L-shaped horizontal cross section, which are located opposite to the front and rear sides of the left and right columns (12) and (12) of the pallet base (11). 21) (21) (22) (2
2) is attached, but in this embodiment, the holder (3
The required number of mounting members (2
7) and (27) are provided in a left and right overhanging shape, respectively, and elevating cylinders (25) and (25) are respectively provided on piston rods (26) and (26) ) Downward, and the upper ends of the front and rear unloading hanging members (21), (21), (22), (22) are connected to the lower ends of the piston rods (26). Front and rear unloading hanging members (21) (21) (22) (22)
The left and right supports (12), (12), the front and rear spacer receiving claws (13) (13)
(14) A number of deparé nails (23) (23) (24) (24) corresponding to (14) are provided at predetermined intervals. Although the detailed moving mechanism is not shown, the hanging members (21), (21), (22) and (22) for unloading the front and rear are moved close to and away from the left and right supports (12) and (12). It is made to move freely. Next, the raising / lowering mechanism (32) of the holder (30) and the left / right moving mechanism (42) will be described. First, a pair of rising suspension members (31) (31) are provided on the upper surface of the holder (30) near the front and rear ends. Vertical rails (38) and (38) are attached to both left and right sides of the front and rear suspension members (31) and (31), respectively.These vertical rails (38) and (38) are required for the frame-shaped carriage (40). It is fitted to guide members (39) (39) attached in a protruding manner at the location. The front and rear suspension members (31) and (31) are framed carts (4
(0) is vertically penetrated inside the frame-shaped trolley (40)
Are mounted on guide rails (44) and (44) on front and rear frames (41) and (41) having a substantially I-shaped cross section via a pair of front and rear wheels (43) and (43) so as to be movable left and right. Vertical racks (33) and (33) are mounted on opposing surfaces of the front and rear suspension members (31) and (31), and pinions (34) are attached to the vertical racks (33) and (33). (34) is engaged. The front and rear pinions (34) and (34) are pivoted by a motor (36) via a driving force transmission mechanism (37).
It is attached to both ends of 5). The driving force transmission mechanism (3) is operated by the operation of the motor (36).
When the pivot (35) rotates via 7), the front and rear pinions (34)
(34) is rotated, and the front and rear suspension members (31) (31) are relatively engaged with the vertical racks (33) (33), and the vertical rails (38) (38) are guide members. (39) The holder (30) and the hanging member (21), (21), (22), (22) for front and rear unloading that move up and down as guided by (39) are moved up and down. is there. The hanging members for unloading the front and rear (21) (21) (22) (2
2) is the piston rod (2
The required height can be raised and lowered by taking in and out of 6). The horizontal moving mechanism (42) of the holder (30) includes horizontal racks (45) and (45) on the inner lower surface of the horizontal upper end walls of the front and rear frames (41) and (41) having the substantially I-shaped cross section. Are installed and these horizontal racks (45) (45) with pinions (46)
(46) is engaged. Both front and rear pinion (46) (46)
Are attached to both ends of a pivot (47) rotated by the operation of a motor (48) via a driving force transmission mechanism (49). The driving force transmission mechanism (4) is operated by the operation of the motor (48).
When the pivot (47) rotates via 9), both front and rear pinions (46)
(46) rotates, and the frame-shaped trolley (40) moves right and left along the guide rails (44) (44) on the front and rear frames (41) (41) by meshing with the horizontal racks (45) (45). The front and rear suspension members (31) and (31), the holder (30) integrated therewith, and the front and rear unloading hanging members (21) and (22) move left and right accordingly. I have. Next, the operation of the profile depalletizer of the present invention will be described. As shown in FIGS. 1 and 3, the pallet base (1
The front and rear spacer receiving claws (13), (13), (14), and (14) of the plural pairs of columns (12) and (12) of the front and rear columns of (1) each have a plurality of spacers (3 ) And (3) are passed in a multi-stage manner at different heights on the front and rear sides of the left and right columns (12) and (12), and the parallel shaped members (2) are placed on the pallet (1) by a plurality of spacers (3). ) (3) are stacked in multiple stages. In the illustration, four columns (12) (1
Regarding (2), seven-stage spacer receiving claws (13) and (13) are provided on the front side of the left and right columns (12) and (12), and six-stage spacer receiving claws (14) and (14) are They are provided at different heights. Then, each of the four columns (12) and (12)
Using the front spacer receiving claws (13) (13) of the step, pass the spacers (3) to the seven steps, place the parallel shaped members (2) on these,
The parallel-shaped members (2) are stacked in seven levels, and the six-level rear spacer receiving claws (14) (14) are used to place the spacers in six levels.
(3), the parallel-shaped members (2) are placed on them, and the parallel-shaped members (2) are stacked in six stages, so that a total of thirteen stages of the parallel-shaped members (2) are stacked. I have. Here, the pallet (1) is provided with a plurality of pairs of front and rear columns on the left and right side edges of the rectangular pallet base (11).
(12) (12), spacer receiving claws (13) (13) (14) (14) are provided at the front and rear sides of the left and right columns (12) (12) at different heights, The unloading hanging members (21) (21) (22) (22) attached to the holder (30) have front and rear spacer receiving claws (13) (13) (13) (13) ( Since the number of depallet claws (23) (23) (24) (24) corresponding to (14) and (14) are also provided at different heights from each other, the loading efficiency of the parallel shaped members (2) is extremely high. It is big. The loading of these parallel shaped members (2) is as follows.
The loading is performed by a loading device (not shown), and the entire pallet (1) after the loading of the profile (2) is transported to a loading / unloading position by a crane (not shown). Then, these 13-stage parallel-shaped members (2) are turned into parallel-shaped members of each stage by the action of the profile depalletizer.
The left and right ends of the spacer (3) supporting the (2)
(12) (12) On the front side, it is hung by a pair of left and right unloading hanging members (21) (21) having depallet claws (23) (23), or on the left and right columns (12) (12) on the rear side Depare nails (24)
(13) are suspended by a pair of left and right unloading hanging members (22) and (22), and the 13-stage parallel members (2) are lifted from the pallet (1) at once, and further discharged. (2
0), and are sequentially lowered onto the conveyor (20) one by one in order from the lower parallel shaped members (2). This will be described in detail below. FIG. 2 schematically shows the operation of the profile depalletizer. In the state shown by the solid line on the left side of the figure, the profile loading pallet (1) is in the unloading position, and the holder (30) and the unloading hanging members (21) attached to the left and right side edges of the holder (30). The) (22) is located above the pallet (1). Next, the operation of the elevating mechanism (32) causes the holder
When the (30) is lowered, as shown by solid lines in FIGS. 4 and 5, the front / rear unloading hanging members (21) (21) (21) (21) having depallet claws (23) (23) (24) (24) are provided. 22) and (22) are located on the front and rear sides of the left and right columns (12) and (12) of the pallet base (11). Then, the depallet claws (23) (23) (24) (24) of the front and rear hanging members (21) (21) (22) (22) come close to each other by the action of a cylinder or the like (not shown). (21) (21) (22)
(22) moves rearward and forward, and as shown by the dashed line in the figure, the front and rear hanging members (21), (21), (22) (22) ( 22) Deparé nails (23) (23)
(24) (24) is located. Further, as shown by a dashed line in FIG. 4, the unloading hanging members (21), (21), (22) and (22) are each used to retract the piston rod (26) by the action of the lifting cylinder (25). As a result, the spacer (3) stops at a position where the left and right ends of the spacer (3) are just supported by the depallet claws (23) (23) (24) (24). In this state, the holder (30) is raised to a required height by the operation of the lifting mechanism (32), and all the front and rear unloading hanging members (21), (21), (22), (22) are raised. And the front and rear unloading hanging members (21) (21) (22) (22) depallet claws (23) (23) (2)
4) By means of (24), all the spacers (3) and the parallel-shaped members (2) of all the stages loaded thereon are lifted at once. Then, in this state, the front unloading hanging members (21) and (21) and the rear unloading hanging members (22) and (22) are respectively spaced apart from the left and right columns (12) and (12) by a predetermined distance. I.e., the spacer supported by the depay nails (23) (23) (24) (24)
(3) (3) are the front and rear spacer receiving claws (13) (1)
3) (14) (14) Positioned on both front and rear outer sides, so that the spacer (3) (3) does not hit these receiving claws (13) (13) (14) (14) when ascending. It is moved and opened at a predetermined interval. Thus, the front unloading hanging member (21)
The parallel shaped members (2) placed on the spacers (3) and (3) in the previous stage supported by the depayer claws (23) and (23) of (21) are different from each other in height and on the rear side. Subsequent spacer supported by the depallet claws (24) (24) of the unloading hanging members (22) (22)
(3) The parallel shaped members (2) placed on (3) move so that they are shifted back and forth from each other, and the parallel shaped members (2)
(2) is opened such that their front and rear ends protrude forward and backward in a staggered manner. In this state, the holder (30) is raised by the operation of the lifting / lowering mechanism (32), and all the front / rear unloading hanging members (21), (21), (22), (22) are mounted on the pallet (11). Left and right support (12)
Raise to the height exceeding the upper end of (12), and depallet claws (23) (23) (24) (24) of the front and rear unloading hanging members (21) (21) (22) (22)
By this, all the spacers (3) and the parallel-shaped members (2) of all the stages loaded thereon are lifted at once. Next, as shown in FIG. 2, the holder (30) is moved above the parallel belt conveyor (20) extending in the left-right direction by the operation of the left-right moving mechanism (42). At this time, a pair of left and right unloading hanging members (21) (21) having depallet claws (23) (23) located in front of the left and right struts (12) (12) of the pallet (11), and the left and right struts (12) (12) A pair of left and right unloading hanging members (22) and (22) having the depallet claws (24) and (24) located on the rear side are adjacent belt conveyors.
(20) Positioned in the middle between (20). Then, the holder (30) is lowered by the operation of the lifting mechanism (32). As a result, as shown in FIG. 6, the lowermost row of the 13 parallel rows (2) suspended by the unloading hanging members (21) (21) (22) (22) The parallel shaped members (2) are placed on the upper surface of the parallel belt conveyor (20) extending in the left-right direction, and furthermore, the holder (30) and the hanging members (21), (21), (22), (22) )
The lower left and right ends of the spacer (3) supporting the lowermost parallel-shaped members (2) are separated from the lower surface of the parallel-shaped members (2) by lowering the spacers (3). )
After being lowered on the belt conveyor (20) upper surface level after being put on the depallet claws (23) (23), the depallet claws (23) (23)
Removed from Then, in this state, the holder (30) is raised to a required height by the operation of the lifting mechanism (32), and the lower ends of the front and rear unloading hanging members (21), (21), (22) and (22) are moved downward. When the belt conveyor (20) is located at a level higher than the parallel-shaped members (2) on the belt conveyor (20), the lowermost parallel-shaped members (2) are unloaded by the operation of the belt conveyor (20). Then, the holder (30) is lowered again by the operation of the lifting / lowering mechanism (32), and the parallel-shaped members (2) at the second level from the bottom move to the belt conveyor (2).
0) It is placed on the upper surface, and in the same manner, the parallel-shaped members (2) are similarly unloaded by the conveyor (20) one by one from the bottom in
A so-called step-off process is performed for each step. It should be noted that there is no limitation on the number of spacers (3) and the number of parallel shaped members (2) to be processed collectively by the shape depalletizer according to the present invention.
For example, the parallel shaped members (2) of a total of 25 levels are stacked on the pallet (1) via the spacer (3) and are collectively determined by the shape depalletizer according to the present invention. In some cases. The depalletizer for shaped material according to the present invention
As described above, a device for unloading parallel shaped members stacked in a plurality of stages on a pallet via a plurality of spacers, wherein the pallet includes a pair of left and right sides on both left and right side edges of a rectangular pallet base. Equipped with a plurality of front and rear columns, spacer receiving claws are provided at different heights on both front and rear sides of the right and left columns, and a holder that can move up and down and move left and right is arranged above the unloading position of the profile loading pallet. In addition, a conveyor for discharging the profiled material is arranged on one side of the pallet, and hanging members for unloading which are positioned opposite to the front and rear sides of the left and right columns of the pallet base are attached to the left and right side edges of the holder. Each of these unloading hanging members has a number of depallet claws corresponding to the front and rear spacer receiving claws of the opposing struts, and the front and rear unloading hanging members can be freely moved toward and away from the struts. The spacers for supporting the parallel shaped members are transferred to the front and rear spacer receiving claws of the left and right columns of the pallet base at different heights on both the front and rear sides of the left and right columns. Are stacked in a multi-stage manner on the pallet via these spacers, and in a state where the pallet is held at the unloading position, the holder is lowered by the operation of the lifting mechanism, and the front and rear sides of the left and right columns of the pallet base are The left and right ends of the spacer are supported by the front and rear unloading hanging members having the depallet claw arranged in the multi-staged shape member, and the multi-step shaped members are collectively suspended by the unloading hanging members. The front unloading hanging member and the rear unloading hanging member are opened, the holder is raised, and the holder is moved up and down by the operation of the holder left and right moving mechanism. After being moved, the holder is lowered by the operation of the lifting / lowering mechanism, and the parallel shaped members are sequentially unloaded from the lower one. According to the present invention, the shape is formed from an aging pallet or the like. When unloading materials, multi-tiered parallel shaped members can be unloaded at once, without interruption or time loss as in the past, and the frequency of waiting for workers is extremely low. Because of this, the unloading efficiency is very good. Further, the pallet is provided with a plurality of sets of front and rear columns, one pair each on the right and left sides of the rectangular pallet base, and spacer receiving claws are provided on the front and rear sides of the left and right columns at different heights from each other. On the other hand, the hanging members for unloading attached to the holder are provided with a number of depallet claws corresponding to the front and rear spacer receiving claws of the opposing columns, respectively, at different heights. This has the effect that the loading efficiency is extremely high.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall schematic perspective view of a profile depalletizer showing an embodiment of the present invention. FIG. 2 is an enlarged rear view showing the operation of the same shape material depalletizer. FIG. 3 is a partially cutaway perspective view of a parallel shaped material loading pallet. FIG. 4 is an enlarged side view of a partially cutaway main part for explaining the unloading action of a pallet-loaded profile, showing a state in which a profile support spacer is lifted by a depallet claw of a front and rear unloading hanging member. FIG. 5 is an enlarged plan view of the same part. FIG. 6 is a partially enlarged cross-sectional view showing a state in which a lowermost row-shaped section is placed on the upper surface of a conveyor and a spacer is removed. [Description of Signs] 1 Pallet 2 Parallel shaped members 3 Spacers 11 Rectangular pallet bases 12, 12 Left and right columns 13, 14 Front and rear spacer receiving claws 20 Conveyors 21 and 22 for discharging shaped members Front and rear unloading members 23 and 24 Front / rear depallet claw 30 Holder 32 Elevating mechanism 42 Left / right moving mechanism

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-5-186021 (JP, A) JP-A 4-118332 (JP, U) JP-A 4-56630 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) B65G 59/00-59/12 B65G 1/00-1/20 B65G 61/00 B65D 19/44

Claims (1)

(57) [Claims] [Claim 1] A plurality of spacers (3) (3) on a pallet (1)
This is a device for unloading parallel shaped members (2) stacked in a plurality of stages via a pallet (1). Pair of struts
(12) (12), and spacer receiving claws (13) (13) (14) (14) are provided on both front and rear sides of the left and right columns (12) (12) at different heights. Above the unloading position of (1), a holder (30) that can move up and down and move left and right is arranged, and a conveyor (2)
0) are disposed, and the unloading hanging members (21) are positioned on the left and right side edges of the holder (30), and are positioned opposite to the front and rear sides of the left and right columns (12) and (12) of the pallet base (11). (21) (22) (22) are attached, these unloading hanging members (21) (21) (22)
(22) is the number of deparé nails (23) (2) corresponding to the front and rear spacer receiving claws (13) (13) (14) (14) of the opposing struts (12) (12), respectively.
3) Hanging member for unloading front and rear with (24) and (24)
(21) (21) (22) (22) are designed to move freely to and away from the columns (12) (12), and the left and right columns (12) (12) of the pallet base (11) Front and rear spacer receiving claws (13) (13) (14) (14)
In addition, the spacers (3) and (3) that support the parallel-shaped members (2) are passed at different heights on the front and rear sides of the left and right columns (12) and (12), and the parallel-shaped members (2) are While the pallet (1) is held in the unloading position while being stacked on the pallet (1) via these spacers (3) (3),
(0) is lowered by the operation of the elevating mechanism, and the depallet claws (23) (23) (24) (24) arranged on the front and rear sides of the left and right supports (12) (12) of the pallet base (11) are Hanging member for unloading before and after
(21) (21) (22) (22) The spacers (3) and (3) are supported at both left and right ends by a multi-stage shaped member (2).
(21) (21) (22) (22), and in this state, the front unloading hanging members (21) (21) and the rear unloading hanging members (22) (22) ) Is opened, the holder (30) is raised, and the operation of the holder left / right moving mechanism (42) causes the holder (30) to move upward.
After the (30) is moved above the profile discharge conveyor (20), the holder (30) is lowered by the operation of the lifting / lowering mechanism (32), and the parallel-shaped profiles (2) are lower than those in the lower row. A depalletizer for a shaped material characterized by being sequentially unloaded.