JP2001328727A - Palletizer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a palletizer capable of reliably stacking cargoes in a plurality of stages on a pellet, aligning cargo groups stacked in a plurality of stages in a plurality of lines and a plurality of rows on the pallet without any gap, and placing a large quantity of cargoes on the pallet. SOLUTION: A stacker 10 is situated in one position of the running part of a transport conveyor 2, and cargoes C transported from the transport conveyor 2 are vertically pushed up and stacked in a plurality of stages. A pushing- out device 30 is provided fronting on the stacker 10 to horizontally push out a cargo group CU stacked on the stacker 10. An alignment table 40 is situated on the opposite side of the pushing-out device 30 with the stacker 10 located therebetween and the cargo groups CU pushed out by the pushing-out device 30 are aligned in a plurality of lines. A delivery device 50 is provided fronting on the alignment table 40 to horizontally deliver the cargo groups CU aligned on the alignment table 40. A pallet placing table 70 on which the pallets 80 capable of juxtaposing the cargo groups CU, delivered by the delivery device 50, in a plurality of lines and a plurality of rows are placed is situated on the opposite side to the delivery device 50 with the alignment table 40 located therebetween.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a palletizer in which packages conveyed by a conveyor are stacked in a plurality of stages, and a group of packages stacked in a plurality of stages are arranged in a plurality of rows and a plurality of rows on a pallet capable of being conveyed.

[0002]

2. Description of the Related Art A conventionally known palletizer is provided with a gripping device or a suction device above a load supply unit, and the gripping device or the suction device is supported by a chain or the like, and loads transported by a transport conveyor or the like are provided. A gripper or a suction device grips or sucks, the gripper or the suction device lifts the load, transfers the lifted load to a predetermined position on a transportable pallet, and arranges a plurality of loads on the pallet.

[0003]

In the palletizer, the load is lifted from the load supply unit by a gripping device or a suction device and transferred to a predetermined position on a pallet.
There is a problem that it is difficult to stack the packages on the pallet in a plurality of stages and to arrange the group of packages on the pallet in a plurality of rows and a plurality of rows without any gap. In addition, since the palletizer has only one gripping device or suction device, it must be held after one package is gripped or sucked by the gripping device or suction device, lifted, and transferred to a predetermined position on a transportable pallet. For example, the next luggage cannot be gripped or sucked from the luggage supply unit by a gripping device or a suction device and lifted, and there is a problem in the speed of the transportation of the luggage.

[0004]

In order to solve the above-mentioned problems, a palletizer according to the present invention is provided with a stacker at one position of a traveling portion of a transport conveyor, and pushes up a plurality of packages transported from the transport conveyor in a vertical direction. An extruding device is provided for extruding the luggage group stacked on the stacker horizontally, facing the stacker, and an alignment table is provided on the opposite side of the extruding device with the stacker interposed therebetween. The extruded luggage groups are arranged in a plurality of rows, and a delivery device is provided for horizontally sending the luggage groups arranged on the alignment table, facing the alignment table, and the delivery device is arranged via the alignment table. A pallet on which a pallet capable of transporting a group of packages sent out by the delivery device in a plurality of columns and a plurality of rows on the opposite side is provided. Wherein the is provided a table. Further, a stopper is provided on the supply side in the stacker provided at one position of the transport conveyor and in front of the stacker to stop the load being transported to the transport conveyor.

[0005] The stacker is provided with an elevating device for vertically transporting the goods conveyed by the conveyor, and a luggage holding device for holding the goods conveyed by the elevating device in a plurality of stages. It is characterized by. Further, the lift device is provided with a lifter for loading the load conveyed by the transfer conveyor, and a pusher that pushes the lifter vertically upward is provided below the lifter to guide the lifter to move vertically upward. The slider device is provided in parallel with the pusher.

[0006] The baggage holding device is provided with a holder for holding the baggage conveyed vertically upward from below, and the holder is located at substantially the same height as the baggage loading surface of the alignment table, and is provided in the front-rear direction of the conveyor. It is provided so as to face each other, one end of the arm is attached to this holder,
The other end of the arm is pivotally supported on a frame constituting the stacker, and the arm stands when it comes into contact with the load conveyed vertically upward, and the contact between the arm and the load is released. Then, it is configured to return. Further, the holder is a channel body having an L-shaped cross section.

The extruder is provided with an extruding plate for horizontally pushing the luggage pushed up by the stacker onto the alignment table, and a pusher for horizontally pushing the extruding plate is provided outside the extruding plate so that the extruding plate moves horizontally. A slider device for guiding the slider in parallel with the pusher. Further, the invention is characterized in that a roller conveyor having a plurality of free rollers arranged side by side on the alignment table is provided.

The delivery device has a table, and a line-up pusher composed of a crank mechanism having a crank shaft provided substantially at the center of the table surface. An alignment table is provided at the end of a main connecting rod constituting the crank mechanism. It is characterized in that slider devices are provided on both sides of the delivery plate for connecting the delivery plate for delivering the upper package and guiding the delivery plate to move horizontally.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described based on embodiments with reference to the drawings. FIGS. 1 to 3 are views showing an embodiment of the palletizer of the present invention.
Is a front view of the embodiment, FIG. 2 is a side view thereof, and FIG. 3 is a plan view thereof. FIG. 4 is a sectional view of a transport conveyor for transporting a load to a palletizer.

As shown in FIGS. 1 to 3, the palletizer 1 of the present embodiment includes a stacker 10, an extruder 30, an alignment table 40, a delivery device 50, and a pallet table 7.
It consists of 0. The stacker 10 is provided at one position of a traveling portion of the transport conveyor 2, and pushes up the loads C transported from the transport conveyor 2 in the vertical direction, thereby stacking the loads C in a plurality of stages. In this embodiment, the stacker 10 is provided at one position of the traveling portion of the conveyor 2, but may be provided at the end point of the conveyor 2. The push-out device 30 is provided at the rear of the stacker 10 so as to face the stacker 10 so as to horizontally push the luggage group CU stacked on the stacker 10 forward. Further, the alignment table 40 is provided at a position in front of the stacker 10 so as to face the stacker 10, and the luggage groups CU extruded by the extrusion device 30 are arranged in a plurality of rows. The delivery device 50 is provided on the right side of the sorting table 40, and sends out the luggage group CU arranged on the sorting table 40 horizontally to the left. Also, the alignment table 40
A pallet mounting table 70 is provided on the left side of the pallet.
Can be arranged in parallel in a plurality of columns and a plurality of rows.

Further, the palletizer of the present invention is a device for sending a load conveyed by a conveyor to a pallet, and the conveyor of this embodiment is shown in FIGS. The transport conveyor 2 of the present embodiment has a base plate 6,
A belt conveyor is formed by arranging two chain type belts 3 side by side on the base plate 6. The conveyor 2 is a conveyor having a curve. Guide 4 to prevent derailment
Are provided on both sides of the running portion of the belt 3. Note that the conveyor 2 may be a straight line conveyor without a curve.

Next, each device constituting the palletizer 1 according to the present embodiment will be specifically described. First, the stacker 10 will be described. The stacker 10 is shown in FIGS. 5 to 9, and FIG.
6 is a front view, FIG. 6 is a side view thereof, and FIG. 7 is a plan view thereof. FIG. 8 is a cross-sectional plan view of the upper portion of the stacker 10, and FIG. 9 is a schematic diagram of the configuration of the stacker 10.

The stacker 10 includes a frame 12 configured to surround one position of the conveyor 2 and a stopper 5 that moves up and down is provided on the supply side in the conveyor 2 surrounded by the frame 12. , Frame 12
A plurality of stoppers 5 which move up and down in the same manner as the stoppers 5 are provided at intervals of one load. The stopper 5 is provided on the base plate 6 between the two belts 3 so as to protrude and retreat above and below the transport surface of the transport conveyor 2 by the action of a cylinder. Further, the stopper 5 is provided standing up, and when the stopper 5 projects upward, the load C transported by the transport conveyor 2 is stopped, so that the load C can be reliably sent to the stacker 10 one by one. .

An elevating device 11 is provided below the stacker 10. The elevating device 11 is a device that pushes up the load C transported by the transport conveyor 2. Stacker 10
A lifter 13 is provided between the stopper 5 provided in the inside and the stopper 5 provided in the foreground. This lifter 13 is a rectangular plate-like body kept in a horizontal state,
The load C transported by the transport conveyor 2 is placed on the lifter 13.

A pusher 14 composed of an air cylinder is provided substantially at the lower center of the lifter 13, and the pusher 14 pushes up the lifter 13 vertically upward. Note that the pusher 14 of this embodiment is formed of an air cylinder, but need not be limited to this. A slider device 15 including a slider 16 and a slider guide 17 is provided at both lower ends of the lifter 13. The slider guide 17 constituting the slider device 15 is formed of a cylindrical body, is located at both lower ends of the lifter 13, is provided vertically below the base plate 6 constituting the transport conveyor 2, and penetrates through the slider 16. Let me do it. When the lifter 13 rises, the slider guide 1
7 guides the slider 16 so that the lifter 13 can smoothly rise in the vertical direction while maintaining the horizontal state.

A luggage holding device 21 is provided above the lifting device 11.
Is provided. The baggage holding device 21 includes a holder 22 for holding the baggage C pushed up by the lifter 13. The holders 22 are provided on the left and right sides of the baggage holding device 21 and have substantially the same height as a baggage placement surface of an alignment table described later. It is located in. The holder 22 is a channel body having an L-shaped cross section, and the lower surface of the holder 22 is in a horizontal state when the holder 22 holds the load C. On both sides of the lower surface of the holder 22, an arm 23 made of a substantially parallelogram plate is provided, and the lower end of the arm 23 is pivotally supported by the frame 12 constituting the stacker 10 so as to be swingable. Yes, luggage C pushed up by lifter 13
When the arm 23 comes into contact with the holder 23, the arm 23 stands up and the holder 22 moves outward. Further, a stopper is provided above the frame 12 that supports the arm 23. When the arm 23 is tilted by its own weight, the holder 22 comes into contact with the stopper and stops at the return position where the arm 23 is tilted. It is.

A luggage holding device 21 is provided above the stacker 10.
There is provided a loading section 25 for loading the luggage C held by the above.
The loading unit 25 includes the lifting device 11 and the luggage holding device 21.
The frame 26 is provided separately from the frame 12 on which the package C is provided. In the frame 26, the packages C are stacked in a plurality of stages. In this embodiment, the baggage C
Are arranged in five layers. This frame 26
Inside, a plurality of wires 27 are provided vertically so that luggage C can be stacked smoothly.

Next, the extruder 30 will be described. FIGS. 5 to 7 and FIG.
Indicated by The extruding device 30 holds the luggage C held by the holder 22 of the luggage holding device 21 on the alignment table 4.
An extruding plate 32 that is horizontally pushed out to zero is provided facing the upper side of the holder 22. When the load C is stacked on the load holding device 21, the extruding plate 32 faces the stacker 10 and is located at a rear position thereof. It is located between the provided frames 12.

A pusher 33 constituted by an air cylinder is provided substantially at the center of the outside of the pusher plate 32, and the pusher 33 pushes the pusher plate 32 horizontally. The pusher 33 of the present embodiment is formed of an air cylinder, but need not be limited to this. A slider 35 and a slider guide 36 are provided above the pusher 33.
Is provided. A mounting plate 37 is provided vertically downward from the upper edge frame 12 of the stacker 10.
A slider guide 36 of a tubular body constituting the slider device 34 is provided horizontally outside the slider guide 34, and the slider 35 penetrates the slider guide 36. The slider 35 is provided on the upper and outer sides of the extruding plate 32. When the extruding plate 32 moves toward the alignment table 40, the slider guide 36 guides the slider 35, and the extruding plate 32 smoothly reciprocates horizontally. I can do it.

Next, the alignment table 40 will be described. This alignment table 40 is shown in FIGS.
10 shows a front view of the alignment table 40, FIG. 11 shows a side view thereof, and FIG. 12 shows a plan view thereof.

The alignment table 40 has a table body 41.
The height of the table body 41 is slightly lower than the original height of the holder 22. The extruder 30 is placed on the table surface 42 of the table body 41.
A plurality of free rollers 44 are provided between the frames 43 to form a roller conveyor 45 by juxtaposing them. The roller surface of the free roller 44 serves as the luggage placement surface, and the roller surface has substantially the same height as the original height of the holder 22, and the luggage group CU extruded later.
Pushes the luggage group CU already extruded onto the alignment table 40 by the extruder 30, and
The luggage group CU extruded upward is transferred to the free rollers 44.
The luggage group CU extruded on the alignment table 40 is sequentially moved.

Next, the sending device 50 will be described. This sending device 50 is shown in FIGS. Sending device 50 to the right of alignment table 40
The delivery device 50 includes a table 51, and the height of the table surface 52 of the table 51 is substantially the same as the original position of the lower surface of the holder 22, that is, the table 51 is provided on the alignment table 40. The height is substantially the same as the roller surface of the free roller 44. A line-up pusher 53 is provided on a table surface 52 of the table 51. The configuration of the line-up pusher 53 is also illustrated in FIG. The line-up pusher 53 is a pusher of a crank mechanism having a crankshaft 54 provided substantially at the center of a table surface 52 of the table 51. The crankshaft 54 penetrates one end of a crank 55, and the other end of the crank 55 The crank pin 56 penetrates through. A main connecting rod 57 is provided on the upper side of the crank 55, the crank pin 56 penetrates the other end of the main connecting rod 57, and one end of the main connecting rod 57 is disposed substantially at the center of the delivery plate 58. Swingably connected. The delivery plate 58 is a member that sends out the luggage groups CU arranged on the alignment table 40 onto the pallet 80. The width of the delivery plate 58 is changed at a time by the four luggage groups CU arranged on the alignment table 40. It can be transported to the pallet 80.

On both upper side edges of the table 51, beams 64 are provided.
, And a slider device 61 including a slider 62 and a slider guide 63 is provided on the beam 64. A slider guide 63 constituting the slider device 61 is provided on the beam 64, and the slider guide 63 is formed of a cylindrical body, and the slider 62 penetrates the slider guide 63. The sliders 62 are provided on both sides of the delivery plate 58. When the delivery plate 58 moves in the direction of the pallet 70, the slider 62 is guided by the slider guide 63, and the delivery plate 58 moves smoothly and horizontally. I can do it.

Next, the pallet mounting table 70 will be described. The pallet mounting table 70 is a table on which a pallet 80 located on the left side of the alignment table 40 is mounted.
0 is placed, the pallet surface of the pallet 80 is configured to be substantially the same height as the roller surface of the free roller 44 of the alignment table 40. The pallet 80 placed on the pallet mounting table 70 is capable of arranging the packages C in four columns and three rows, and is configured to be transportable by a forklift or the like.

The palletizer 1 of this embodiment is configured as described above, and the palletizer 1 transfers the load C onto the pallet 80 as follows. First, the load C is transported by the transport conveyor 2. A stacker 10 is provided at one position of the traveling portion of the conveyor 2 and a stopper 5 is provided in front of the stacker 10. The stopper 5 stands up in a state where it is moved upward, and the load C transported to the belt 3 of the transport conveyor 2 stops in the transport conveyor 2. The cargo C transported into the stacker 10 is transported by the transport conveyor 2
If it is confirmed that there is no luggage, the stopper 5 moves down, the stop of the luggage C is released, and the luggage C is removed from the stacker 10.
Send to A stopper 5 is also provided on the supply side of the transport conveyor 2 provided in the stacker 10, and the stopper 5 stands up in a state of moving upward, and the load C stops in the stacker 10. By providing the plurality of stoppers 5 in the transport conveyor 2 in this manner, the packages C can be reliably sent to the stacker 10 one by one.

The load C stopped in the stacker 10 is pushed up by an elevating device 11 provided below the load C. Specifically, a pusher 14 is provided substantially at the lower center of the lifter 13, and the pusher 14 pushes up the lifter 13 to raise the load C. At this time, pusher 14
A slider device 15 is provided on both sides of the slider device 15, and a slider 16 constituting the slider device 15 slides in a slider guide 17 to guide the lifter 13 to move vertically upward. When the raised baggage C comes into contact with the arm 23 of the baggage holding device 21, the arm 23 is supported by the frame 12 and stands up, and the space between the holders 22 is expanded. As the space between the holders 22 expands, the lifting device 1
The load C pushed up in step 1 further rises, and the contact between the arm 23 and the load C is released. The arm 23 released from contact with the baggage C falls down by its own weight, and the holder 22
The holder 22 stops at the return position by contacting a stopper provided above the frame 12 to which the frame 3 is connected, and the lower surface of the holder 22 is in a horizontal state. The width of the gap between the holders 22 in the horizontal state is wider than the width of the lifter 13 and smaller than the width of the load C. Therefore, when the lifter 13 descends, the lifter 13 returns to the original position, and the holder 22 holds the load C. When the lifter 13 returns to the original position,
When the stopper 5 of another luggage C stopped in front of the stacker 10 is released and the luggage C is transported to the stacker 10 and the luggage C is placed on the lifter 13, the luggage C is lifted by the above-described procedure. Push up with 11.

Subsequently, when the load C is pushed up by the lifting device 11, the lifted load C comes into contact with the arm 23. At this time, the arm 23 is supported by the frame 12 and stands up, and the space between the holders 22 is expanded. By expanding the space between the holders 22, the load C pushed up by the lifting device 11 further rises. On the other hand, the luggage C already pushed up is released from the holder 22. The load C is placed on and stacked on the load C pushed up by the elevating device 11, and the stacked load C is pushed up by the elevating device 11. Further, when the load C is pushed up by the lifting device 11, the contact between the arm 23 and the load C is released. The arm 23 released from contact with the load C is tilted by its own weight, the holder 22 abuts on a stopper provided above the frame 12 to which the arm 23 is connected, and the holder 22 stops at the return position, The lower surface of 22 is in a horizontal state. At this time, lifter 1
3 descends and returns to its original position, and the holder 22 holds the stacked packages C. By repeating this, the packages C can be stacked in five stages.

The holder 22 for holding the luggage group CU stacked in five tiers is substantially at the same height as the table surface 41 of the alignment table 40 provided facing the stacker 10, and the five tiers of luggage held by the holder 22 are provided. Group CU, Stacker 1
The extruding device 30 provided at the rear position facing the zero pushes out onto the alignment table 40. Specifically, a pusher 33 is provided at substantially the center of the outside of an extruding plate 32 constituting the extruding device 30, and this pusher 33 is
2 is pushed, and the luggage group CU in contact with the pushing plate 32 is pushed out to the alignment table 40. At this time, a slider device 34 is provided above the pusher 33, and a slider 35 constituting the slider device 34 slides in a slider guide 36 to guide the extruding plate 32 to move horizontally. Further, since the holder 22 is formed of an L-shaped channel body and is provided on the left and right sides of the stacker 10, the side wall of the holder 22 plays a role of guiding the luggage group CU, and the luggage group CU stacked in five stages is extruded. When pushed onto the alignment table 40 at 30, the holder 22
Can guide the luggage group CU and push it out smoothly. When the extruder 30 that has pushed out the luggage group CU onto the alignment table 40 returns to the original position, the stacker 10 can newly stack luggage C in five levels, and can newly load luggage C.
Are stacked in five stages, and the alignment table 4
It is possible to push the luggage group CU onto zero.

Subsequently, when another luggage group CU is extruded onto the alignment table 40 by the extruder 30, the alignment table 4
The luggage group CU extruded above 0 is pushed by another luggage group CU extruded later. At this time, the luggage group CU already pushed out on the alignment table 40 is placed on the free roller 44 constituting the roller conveyor 45, and another luggage group CU pushes the luggage group CU already pushed out on the alignment table 40. As a result, the free roller 44 rotates, and the rotating free roller 44 can sequentially move the luggage group CU. By repeating the above operation, the luggage groups CU stacked in five stages can be arranged in four rows on the arrangement table 40.

When the luggage groups CU stacked in five stages on the alignment table 40 are arranged in four rows, the luggage groups CU arranged in four rows
Is sent out onto a pallet 80 provided on the left side of the alignment table 50 by a delivery device 50 provided on the right side of the alignment table 40. Specifically, when the luggage groups CU stacked in five stages on the alignment table 40 are arranged in four rows, the crankshaft 54 of the line-up pusher 53 rotates, and accordingly, the crank 55 also rotates. The other end of the main connecting rod 57 is also penetrated by the crank pin 56 penetrating through the other end of the crank 55, so that the other end of the main connecting rod 57 also rotates. On the other hand, main bar 5
7 is swingably connected to a substantially center of the delivery plate 58, and a slider device 61 is provided on both sides of the delivery plate 58.
3 is moved by the crank mechanism, the delivery device 50
The slider guide 63 provided on both sides of the
And the delivery plate 58 reciprocates horizontally. As a result, the luggage groups CU arranged in four rows are sent out onto the pallet 80 by the sending plate 58, and when the sending plate 58 returns to the original position, the luggage groups CU stacked in five stages by the stacker 10 are arranged on the alignment table 40. Can be arranged in four new rows,
When the luggage groups CU are newly arranged in four rows, the luggage groups CU can be sent out onto the pallet 80 in the above-described procedure.

When the luggage groups CU newly stacked in five stages on the alignment table 40 are arranged in four rows, the luggage groups CU already sent out on the pallet 80 are pushed by another luggage group CU sent out later. It is. At this time, the luggage group CU already sent out on the pallet 80 sequentially moves on the pallet 80, and the above operation is repeated to arrange the luggage group CU stacked in five stages on the pallet 80 in three rows and four columns. Can be. When the luggage groups CU are arranged in three rows and four columns on the pallet 80, the pallet 80 can be transported together with a forklift.

[0032]

According to the palletizer of the present invention, a stacker is provided at one position of the traveling portion of the conveyor, and the goods conveyed from the conveyor are pushed up in the vertical direction and stacked in a plurality of stages. In addition, an extruding device for horizontally pushing out the luggage group stacked on the stacker is provided, an alignment table is provided on the opposite side of the extruding device via the stacker, and the luggage group extruded by the extruding device is arranged in a plurality of rows. A delivery device for horizontally sending out a group of packages arranged on the alignment table facing the alignment table, and a package delivered by the delivery device to the opposite side of the delivery device via the alignment table. Since a pallet mounting table is provided for mounting pallets that can be transported in groups that can be arranged in multiple rows and multiple rows,
Make sure to stack the luggage in multiple layers on the pallet,
This luggage group can be arranged in multiple columns and multiple rows on the pallet without gaps, and a large amount of luggage can be placed on the pallet,
There is an effect that the workability can be improved. In addition, at the stage where the luggage is stacked in a plurality of stages with the stacker and the luggage group is pushed out to the alignment table, the luggage can be newly stacked in the plurality of stages with the stacker, and there is an effect that the work of transporting the luggage can be performed quickly.

Since a stopper for stopping the goods being conveyed to the conveyor is provided on the supply side in the stacker provided at one position of the conveyor and in front of the stacker, the goods are conveyed to the conveyor. There is an effect that luggage can be reliably sent to the stacker one by one.

The stacker is provided with an elevating device for vertically transporting the goods conveyed by the conveyor and a load holding device for holding the goods conveyed by the elevating device in a plurality of stages. , At the time when the luggage is pushed up to the luggage holding device, the luggage newly transported to the elevating device can be pushed up to the luggage holding device,
There is an effect that the work of transporting the luggage can be performed quickly.

The lift device is provided with a lifter on which the goods conveyed by the conveyor are placed, and a pusher for lifting the lifter vertically upward is provided below the lifter to guide the lifter to move vertically upward. Since the slider device is provided in parallel with the pusher, there is an effect that, when pushing up the load with the lifter, it is not necessary to perform an operation of attaching and detaching the lifter and the load, and the transfer operation of the load can be performed quickly. Also, since the slider device for guiding the lifter to move upward in the vertical direction is provided in parallel with the pusher, the lifter can be pushed up horizontally without swinging, and the load can be stacked in a plurality of stages. This also has the effect of preventing the collapse of the load.

[0036] The baggage holding device is provided with a holder for holding the baggage conveyed vertically upward from below, and the holder is located at substantially the same height as the baggage loading surface of the alignment table, and is provided in the front-rear direction of the conveyor. It is provided so as to face each other, one end of the arm is attached to this holder,
The other end of the arm is pivotally supported on a frame constituting the stacker, and the arm stands when it comes into contact with the load conveyed vertically upward, and the contact between the arm and the load is released. Then, the cargo can be stacked only by pushing up the cargo to a predetermined position with the elevating device, and the transfer operation can be performed efficiently. Further, since the holder is a channel body having an L-shaped cross section, when the holder holds and releases the luggage, the holder does not require an attaching / detaching operation, so that the luggage can be quickly transferred. There is. In addition, when the load is pushed out to the alignment table by the pushing device, the side wall of the holder serves as a guide for the load, so that the load can be pushed out smoothly.

The extruder is provided with an extruding plate for horizontally pushing the luggage pushed up by the stacker onto the alignment table, and a pusher for horizontally pushing the extruding plate is provided outside the extruding plate so that the extruding plate moves horizontally. Is provided in parallel with the pusher, so that the configuration is easy and there is an effect that the operation of pushing out the load to the alignment table can be performed quickly. In addition, since a slider device for guiding the extruding plate to move horizontally is provided in parallel with the pusher, the load can be pushed out horizontally to the alignment table, and when the load is pushed out, the load collapses. There is an effect that can be prevented.

Since a roller conveyor having a plurality of free rollers arranged side by side on the alignment table is provided, a group of packages newly pushed out to the alignment table pushes a group of packages already on the alignment table. In addition, the free rollers are rotated, and the rotating free rollers can sequentially move the luggage groups, so that the luggage groups stacked in a plurality of stages quickly and smoothly can be arranged in a plurality of rows on the alignment table. .

Since a transport device for horizontally transporting the packages arranged on the alignment table to the pallet is provided on the side opposite to the pallet with respect to the alignment table, a group of packages arranged in a plurality of rows on the alignment table. Can be sequentially sent to the pallet, and there is an effect that the work of transporting the luggage can be performed quickly and smoothly.

The delivery device has a table, and a line-up pusher composed of a crank mechanism having a crankshaft provided substantially at the center of the table surface. An alignment table is provided at the end of a main connecting rod constituting the crank mechanism. Slider devices for connecting the delivery plates for sending out the above packages and guiding the delivery plates to move horizontally are provided on both sides of the delivery plates. Thus, a group of packages arranged in a plurality of rows can be sent out on a pallet at a time, and there is an effect that the work of transporting the packages can be performed quickly and smoothly. Also,
Slider devices that guide the delivery plate to move horizontally are provided on both sides of this delivery plate, so when stacking multiple stages with a stacker and sending out a group of packages arranged in multiple rows on an alignment table to a pallet. This has the effect of preventing collapse of the load.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a palletizer according to the present invention.

FIG. 2 is a side view of the embodiment shown in FIG. 1;

FIG. 3 is a plan view of the embodiment shown in FIG. 1;

FIG. 4 is a sectional view of a transport conveyor for transporting a load to a palletizer according to the present invention.

FIG. 5 is a front view showing a main part of a stocker constituting the palletizer according to the present invention.

FIG. 6 is a side view of the embodiment shown in FIG. 5;

FIG. 7 is a plan view of the embodiment shown in FIG. 5;

FIG. 8 is a sectional plan view of an upper portion of the stocker.

FIG. 9 is a schematic diagram showing a configuration of a stocker.

FIG. 10 is a front view of an alignment table constituting the palletizer according to the present invention.

FIG. 11 is a side view of the embodiment shown in FIG. 10;

FIG. 12 is a plan view of the embodiment shown in FIG. 10;

FIG. 13 is a front view illustrating a main part of a transport device that transports a load held on an alignment table to a pallet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Palletizer 2 Conveyor 3 Belt 4 Guide 5 Stopper 6 Base plate 10 Stacker 11 Lifting device 12 Frame 13 Lifter 14 Pusher 15 Slider device 16 Slider 17 Slider guide 21 Luggage holding device 22 Holder 23 Arm 25 Loading part 26 Frame 27 Wire 30 Pushing out Device 32 Extrusion plate 33 Pusher 34 Slider device 35 Slider 36 Slider guide 37 Mounting plate 40 Alignment table 41 Table body 42 Table surface of table body 41 43 Frame 44 Free roller 45 Roller conveyor 50 Feeding device 51 Table 52 Table surface of table 51 53 Line up pusher 54 Crank shaft 55 Crank 56 Crank pin 57 Main connecting rod 58 Out plate 61 slider 62 slider 63 slider guide 64 beam 70 pallet mounting base 80 palette C load CU group of loads

Claims (9)

[Claims] 1. A stacker is provided at one position of a traveling portion of a transport conveyor, and loads conveyed from the transport conveyor are vertically pushed up and stacked in a plurality of stages, and the stackers are stacked on the stacker so as to face the stacker. An extruding device for horizontally extruding the loaded luggage group, an alignment table provided on the opposite side of the extruding device via a stacker, wherein the luggage groups extruded by the extruding device are arranged in a plurality of rows; A delivery device is provided for horizontally sending out the luggage groups arranged on the alignment table, and the luggage groups sent out by the delivery device are arranged in a plurality of rows and a plurality on the opposite side of the delivery device via the alignment table. A palletizer comprising a pallet mounting table for mounting a pallet that can be transported in parallel to a row. 2. The apparatus according to claim 1, further comprising a stopper provided on one side of the stacker at a position on a supply side of the stacker and at a position in front of the stacker for stopping a load being transferred to the stacker. The palletizer according to 1. 3. The stacker is provided with an elevating device that vertically conveys the goods conveyed by the conveyor and a load holding device that holds the goods conveyed by the elevating device in a plurality of stages. The palletizer according to claim 1, wherein the palletizer is provided. 4. A lifter on which the load conveyed by the conveyor is placed on the lifting device, and a pusher for lifting the lifter vertically upward is provided below the lifter so that the lifter moves vertically upward. The palletizer according to claim 3, wherein a slider device for guiding the pallet is provided in parallel with the pusher. 5. The package holding device is provided with a holder for holding the package transported vertically upward from below, the holder being located at substantially the same height as the package loading surface of the alignment table, and being provided in front of and behind the transport conveyor. One end of an arm is attached to the holder, and the other end of the arm is pivotally supported on a frame constituting the stacker, and the arm is vertically upward. The palletizer according to claim 3 or 4, wherein the palletizer is configured to stand up when it comes into contact with the load conveyed to the vehicle, and to return when the contact between the arm and the load is released. 6. The palletizer according to claim 5, wherein the holder is a channel body having an L-shaped cross section. 7. The extruder is provided with an extruding plate for extruding the luggage pushed up by the stacker horizontally on the alignment table, a pusher for horizontally pushing the extruding plate is provided outside the extruding plate, and the extruding plate moves horizontally. The palletizer according to any one of claims 1 to 6, wherein a slider device for guiding the pallet is provided in parallel with the pusher. 8. The palletizer according to claim 1, wherein a roller conveyor having a plurality of free rollers arranged in parallel is provided on the alignment table. 9. The delivery device includes a table, and a line-up pusher including a crank mechanism provided with a crank shaft substantially at the center of the table surface. 9. A slider device for connecting a delivery plate for delivering a load on an alignment table and guiding the delivery plate to move horizontally is provided on both sides of the delivery plate. The palletizer according to any one of the above.