KR100808279B1 - System for loading pallet with board - Google Patents

Abstract

A system for loading a pallet with a board is provided to reduce human waste and enhance workability by automatically loading the pallet arranged at a loading position with a board stack. A system for loading a pallet with a board includes a pallet supplying apparatus(200), a pallet conveyor(300), a board loading conveyor(400), a board transferring conveyor(500), and a loading apparatus(600). The pallet supplying apparatus supplies the pallet one by one. The pallet conveyor transfers the pallet supplied from the pallet supplying apparatus to a loading position. The board loading conveyor brings in a board stack. The board transferring conveyor transfers the loaded board stack to a standby position next to the loading position. The loading apparatus loads an upper surface of the pallet with the board stack of the standby position. The loading apparatus includes a lifter(610) and a pusher(620). The lifter lifts the board stack so as to place the board stack of the standby position higher than the upper surface of the pallet of the loading position. The pusher pushes the board stack of the standby position toward the upper surface of the pallet.

Description

Plate loading system {SYSTEM FOR LOADING PALLET WITH BOARD}

1 is a plan view showing the configuration of a sheet loading system according to the present invention,

2 is an enlarged side sectional view of a pallet feeding device constituting the system of the present invention;

3 is a plan view showing in detail the second conveyor portion and the clamping means of the pallet conveyor constituting the system of the present invention;

4 is a cross sectional view of a second conveyor unit showing the clamping means in detail;

FIG. 5 is an enlarged plan view of the redirection conveyor unit of the sheet conveying conveyor constituting the system of the present invention; FIG.

6 is a detailed cross-sectional view of the turning conveyor unit;

7 is a plan view showing in detail the stacking device constituting the system of the present invention;

8 is a cross-sectional view taken along line VII-VII of the lifting device of the loading apparatus in detail;

Fig. 9 is a sectional view taken along line X-VIII of Fig. 8 showing the pusher of the loading apparatus in detail.

♣ Explanation of symbols for main part of drawing ♣

100: Controller 200: Pallet Feeder

210: Loading Conveyor 220: Single Supply Unit

222: Frame 224: Stop Plate

230: conveying conveyor 300: pallet conveyor

310: first conveyor unit 320: second conveyor unit

330: first press jaw 340: second press jaw

350: first movement means 352: rack gear

354: Pinion Gear 355: Drive Motor

360: second movement means 362: rack gear

364: Pinion Gear 365: Drive Motor

400: sheet loading conveyor 500: sheet conveying conveyor

510: direction change conveyor unit 512: belt conveyor

514: roller conveyor 516: lifting means

516a: guide rail 516b: elevating plate

517: Chain Wheel 518: Chain

519: drive motor 520: intermediate conveyor

530: terminal conveyor 600: loading device

610: Lifter 612: Lift Arm

614: elevating frame 615: lift cylinder (Lift Cylinder)

620: Pusher 622: Guide Rail

624: transfer tray 625: push plate

630: drive chain wheel 632: driven chain wheel

634: chain 635: drive motor

636: fixing bracket 700: guide plate

800: unloading conveyor

The present invention relates to a sheet loading system, and more particularly, to a sheet loading system for efficiently loading a plate, such as corrugated cardboard on a pallet.

Plate materials such as corrugated cardboard, plywood, etc. are generally loaded in multiple stages on a pallet and transported by a forklift for efficiency and convenience of transportation. By the way, in order to load the plate material such as corrugated cardboard, plywood, etc. in multiple stages, it is pointed out that a worker has to pick and choose a pallet, and then stack the plate on the top of the selected pallet. This drawback not only causes human waste but also delays the conveyance work of the plate, causing a decrease in work efficiency.

The present invention has been made in order to solve the above disadvantages, the object is to configure the plate, such as cardboard, plywood on the pallet can be efficiently loaded on the plate to reduce the human waste as possible while improving the work efficiency To provide a loading system.

In order to achieve the above object, the present invention provides a pallet supply device for supplying the pallets one by one; A pallet conveyor for moving the supplied pallet to a loading position; A plate loading conveyor for introducing a pile of plates; A plate conveying conveyor for moving the loaded sheet pile to a standby position which is a side portion of the pallet of the loading position; And a stacking device for stacking the stack of sheets of the standby position moved to the pallet side of the stacking position on the upper surface of the pallet, wherein the stacking apparatus has a stack of plates of the standby position greater than the upper surface of the pallet of the stacking position. A lifter for lifting the stack of plate upwards to be disposed at a high position; It is characterized in that it comprises a pusher (Pusher) for pushing the stack of the plate of the elevated position to the pallet upper surface of the loading position.

Preferably, the pallet feeder, and a loading conveyor for introducing a pallet pile; A stop plate disposed perpendicular to the frame to limit movement of the loaded pallet stack; Elevating means for raising and lowering the stop plate to a predetermined height so as to permit movement of only the lowest pallets one by one among the pallet piles with limited movement; It characterized in that it comprises a transfer conveyor for transferring the pallets supplied individually to the pallet conveyor.

And the pallet supply device is characterized in that it is configured in plurality so as to selectively supply pallets of different sizes as needed.

And clamping means for clamping the pallet at the stowed position, wherein the clamping means comprises: a first pressing jaw installed above the pallet conveyor to clamp one side of the pallet at the stowed position; A second pressing jaw installed above the pallet conveyor to clamp the other side of the pallet at the loading position; And a first and second movement means for moving the first and second pressure jaws, respectively, so that the first and second pressure jaws can be clamped on one side and the other side of the pallet while moving relative to each other. It features.

The plate conveying conveyor may include a redirection conveyor unit for redirecting the conveying direction of the sheet pile to a state parallel to the conveying direction of the pallet, and an end conveyor unit for transferring the diverted plate stack to a standby position. The redirection conveyor unit, a multi-type belt conveyor for introducing the stack of the plate conveyed from the plate loading conveyor; A roller conveyor installed between the belts of the belt conveyor and having a conveying direction orthogonal to the conveying direction of the belt conveyor; It characterized in that it comprises a lifting means for lowering the height of the belt conveyor lower than the upper surface of the roller conveyor so that the sheet pile introduced into the belt conveyor can be turned while being mounted on the roller conveyor.

The lifter may include lift arms installed on the sheet conveying conveyor to lift the stack of plates in the standby position, and lifting means for raising and lowering the lift arms.

The pusher includes a pair of guide rails horizontally installed at both sides of the sheet conveying conveyor, a conveying table on which both ends are movable along the guide rail, and a stack of plate at the standby position. And a pushing plate installed vertically to the conveying table, and a moving means for horizontally moving the conveying table so that the pushing plate can convey the sheet stack by pushing it onto the upper surface of the pallet.

And it is characterized in that it further comprises an unloading conveyor for discharging the pallet loaded with the sheet pile.

Best Mode for Carrying Out the Invention Preferred embodiments of the sheet loading system according to the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in FIG. 1, the loading system of the present invention includes a controller 100. The controller 100 is for controlling the system, and includes a control board (not shown) and a plurality of operation buttons.

In addition, the stacking system of the present invention includes a pallet supply device 200 for supplying a pallet P1, a pallet conveyor 300 for moving the supplied pallet P1 to a stacking position ("X"), and a sheet pile ( F) The plate loading conveyor 400 which introduces F), the plate conveyance conveyor 500 which moves the loaded sheet pile F to the standby position "Y", and the sheet pile of the standby position "Y" ( And a stacking device 600 for stacking F) onto the pallet P1 at the stacking position " X ".

Looking at this in turn, the pallet supply apparatus 200 has a loading conveyor 210 for introducing a pallet pile (P) as shown in FIG. Loading conveyor 210 is composed of a roller conveyor, and conveys the pallet pile (P) introduced to the rear side to the front.

On the other hand, on the loading conveyor 210, a single supply unit 220 for supplying the loaded pallet stack (P) one by one is installed. The single feeding unit 220 is moved by the frame 222, a stop plate 224 disposed perpendicular to the frame 222 so as to limit the movement of the loaded pallet pile P, and the stop plate 224. Among the limited pallet piles P, it comprises a lifting means for raising and lowering the stop plate 224 to a predetermined height so as to allow movement only of the lowermost pallet P1.

In particular, the elevating means is a pair of sliders which are installed to be elevated along the guide rails 225 while supporting both guide rails 225 installed perpendicular to the frame 222 and both sides of the stop plate 224. 227 and a lift cylinder 228 for lifting the pair of sliders 227 up and down.

According to such a single supply unit 220, the movement of the pallet pile (P) through the stop plate 224 is limited, by raising the stop plate 224 periodically through the lifting means only the lowest pallet (P1) Supply one by one.

Again, referring to FIG. 1, the pallet supply apparatus 200 has a transfer conveyor 230 for transferring individual pallets P1 discharged from the loading conveyor 210. The transfer conveyor 230 is a multi-type belt conveyor as shown in FIGS. 1 and 2, and transfers individual pallets P1 to the other side.

On the other hand, the pallet supply apparatus 200 of such a structure is comprised in multiple numbers as shown in FIG. The pallet supply apparatus 200 is comprised so that the pallet P1 of a different size may be supplied. Therefore, pallets P1 having different sizes can be selectively supplied as needed.

Next, looks at with respect to the pallet conveyor 300 for transferring the pallet (P1) transferred from the pallet supply apparatus 200 to the loading position ("X").

The pallet conveyor 300 is composed of a first conveyor part 310 and a second conveyor part 320, and these first and second conveyor parts 310 and 320 are transport conveyors of the pallet feeder 200. 230 perpendicular to each other. Here, the first and second conveyor parts 310 and 320 are configured as a roller conveyor.

The pallet conveyor 300 receives the pallet P1 transferred from the pallet supply device 200 to the first conveyor unit 310 and transfers the pallet P1 in the loading position ("X") direction. The pallet P1, which is conveyed in the loading position ("X") direction, is received by the second conveyor unit 320 and finally transferred to the loading position ("X"). Here, the second conveyor unit 320 is stopped after the pallet P1 is transferred to the stacking position "X", and the stopped second conveyor unit 320 is stopped at the pallet P1 at the stacking position "X". ) When the stack of plates (F) is loaded in the) will be activated again.

On the other hand, the second conveyor portion 320 is provided with clamping means for clamping the pallet (P1) disposed in the loading position ("X").

As shown in FIGS. 3 and 4, the clamping means includes a first jaw 330 and a first press jaw 330 that are movably installed on the upper side of the second conveyor unit 320. And a second pressing jaw 340 which is movable relative to the first jaw, a first moving means 350 for moving the first pressing jaw 330, and a second moving means 360 for moving the second pressing jaw 340. do.

The first pressing jaw 330 is disposed to extend in the longitudinal direction of the second conveyor unit 320 and is configured to support one side of the pallet P1 moved to the loading position ("X").

The second pressing jaw 340 is installed to be movable relative to the first pressing jaw 330, the movement of the first pressing jaw 330 while moving to the loading position ("X") of the pallet (P1) And pressurizes the other side. In particular, by pressing the other side of the pallet (P1), the pallet (P1) is pushed to the first pressing jaw (330). Accordingly, the pallet P1 is clamped together with the first pressing jaw 330 at the loading position “X”, thereby preventing the pallet P1 from flowing when the stack of the sheet material F is loaded.

As illustrated in FIG. 4, the first movement means 350 includes a rack gear 352 installed on the frame 320a of the second conveyor unit 320 and a first pressure to be engaged with the rack gear 352. The pinion gear 354 is installed in the jaw 330, and the drive motor 355 is installed in the first pressing jaw 330 to rotate the pinion gear 354 forward and backward.

The first movement means 350, by moving the first pressing jaw 330, the first pressing jaw 330 causes the pallet (P1), the stacking of the plate pile (F) is completed, the second conveyor unit ( To the center of the pad and pressurizes it.

The second movement means 360 includes a rack gear 362 installed in the frame 320a of the second conveyor unit 320 and a pinion installed in the second pressure jaw 340 to be engaged with the rack gear 362. It consists of a gear 364 and a drive motor 365 installed in the second pressing jaw 340 to rotate the pinion gear 364 forward and reverse.

The second movement means 360 moves the second pressure jaw 340 to move the second pressure jaw 340 in the direction of the first pressure jaw 330 to move the load position ("X"). The pallet P1 can be clamped together with the first pressing jaw 330.

Next, referring to Figure 1, the plate loading conveyor 400 for loading the plate pile (F), and the plate transfer conveyor 500 for transferring the loaded plate pile (F) to the standby position ("Y") Take a look.

The plate loading conveyor 400 is comprised of a belt conveyor, introduces the plate pile F loaded in multiple stages, and transfers the introduced plate pile F to the other side.

The sheet conveying conveyor 500 includes a redirection conveyor unit 510 for redirecting the sheet pile F conveyed from the sheet loading conveyor 400 and a sheet pile F that is turned, in a standby position (“Y”). The intermediate conveyor unit 520 to be transferred in the direction of), and the end conveyor unit 530 to finally transfer the sheet pile F transferred from the intermediate conveyor unit 520 to the standby position ("Y").

As shown in FIGS. 5 and 6, the direction change conveyor unit 510 includes a belt conveyor 512 for introducing a stack of plates F conveyed from the plate loading conveyor 400 and a belt conveyor 512. The roller conveyor 514 is installed between the roller conveyor 514 having a conveying direction orthogonal to the conveying direction of the belt conveyor 512, and the sheet pile F supported by the belt conveyor 512 is mounted on the roller conveyor 514. Lifting means 516 for lowering the belt conveyor 512 to be transported.

The belt conveyor 512 is a multi-type belt conveyor, and is installed to have the same conveying direction as the plate loading conveyor 400. Therefore, the sheet pile F transferred from the sheet loading conveyor 400 is successively introduced.

The roller conveyor 514 is a conveyor provided between the belts 512a of the belt conveyor 512, which is installed lower than the upper surface of the belt conveyor 512, and with respect to the conveying direction of the belt conveyor 512. It has an orthogonal conveying direction. In particular, it has a conveying direction orthogonal to the belt conveyor 512, it is configured to have a conveying direction parallel to the pallet conveyor (300).

As shown in FIG. 6, the elevating means 516 supports the guide rails 516a installed vertically on both sides of the frame 510a and the guide rails 516a while supporting the belt conveyor 512. The lifting plate 516b, which can be elevated, and the lifting means for pulling the lifting plate 516b up and down. In particular, the towing means includes a chain wheel 517 installed at the frame 510a, a chain 518 having one end fixed to the elevating plate 516b and the other end wound around the chain wheel 517, and a chain 518. It consists of a drive motor 519 that is installed in the frame 510a to loosen or wind.

The lifting means lowers the elevating plate 516b by releasing the chain 518 downward with the drive motor 519 and the chain wheel 517, and lowers the elevating plate 516b so that the belt conveyor 512 is lowered. Lower the lower than the upper surface of the roller conveyor 514. Accordingly, the sheet pile F mounted on the belt conveyor 512 can be supported while being mounted on the roller conveyor 514, and the sheet pile F mounted on the roller conveyor 514 is approximately 90 along the roller conveyor 514. It is able to be transferred to the standby position ("Y") while being turned at an angle.

Here, when the driving motor 519 is rotated in the reverse direction, the belt conveyor 512 is raised to protrude more than the upper surface of the roller conveyor 514. Therefore, while forming the same height as the plate loading conveyor 400, the sheet pile F transferred from the plate loading conveyor 400 is introduced.

Referring again to FIG. 1, the intermediate conveyor 520 of the sheet conveying conveyor 500 is configured as a belt conveyor, and receives a stack of sheets F conveyed from the redirection conveyor 510 to a standby position (" Y ") direction.

And the end conveyor portion 530 is composed of a roller conveyor, and receives the stack of plates (F) conveyed from the intermediate conveyor 520 and directly transfers to the standby position ("Y"). In particular, by directly conveying the sheet pile F to the standby position "Y", the sheet pile F is aligned with the side of the pallet P1 arrange | positioned at the loading position "X".

Here, the end conveyor portion 530 is stopped after transferring the sheet pile F to the standby position ("Y"), and the stopped terminal conveyor portion 530 is the plate pile of the standby position ("Y"). When F) is loaded on the pallet P1 at the loading position ("X"), it is activated again.

Next, with reference to Figs. 1 and 7 and 8 and 9, the stack for stacking the sheet pile F transferred to the standby position "Y" to the pallet P1 in the stacking position "X". The device 600 will be described.

The stacking device 600 includes a lifter 610 that lifts the sheet pile F transported to the standby position ("Y") to the top and a stacking position F of the plate stack F lifted to the upper position (" X ") and a pusher 620 that pushes onto the upper surface of the pallet P1.

The lifter 610 includes lift arms 612 disposed between the transfer rollers 530a of the end conveyor portion 530 so as to lift the sheet pile F in the standby position “Y”, And lifting means for raising and lowering the lift arms 612.

The lift arm 612 moves up and down between the lower preparation position "I" and the upper raising position "J", and the lifting arm 612 moves up and down from the preparation position "I" to the raising position "J". While raising the plate pile (F). In particular, by raising the plate pile F, the height of the plate pile F is made higher than the upper surface of the pallet P1 arrange | positioned at the loading position "X".

The lifting means includes a lifting frame 614 that supports the lift arm 612 and a lift cylinder 615 that lifts the lifting frame 614 up and down. In particular, the lift cylinder 615 lifts the lifting frame 614 up and down, thereby moving the lift arm 612 provided on the lifting frame 614 between the ready position "I" and the rising position "J". Lift up and down at.

On the other hand, the pusher 620 is a pair of guide rails 622 horizontally installed on both sides of the end conveyor portion 530, and the transfer table 624 is installed so that both ends are movable along the guide rail 622. And, the push plate 625 which is installed perpendicular to the transfer table 624 so as to press the plate pile (F), and the push plate 625 pushes the plate pile (F) to the loading position ("X") It is composed of a moving means for horizontally moving the transport table 624 to be transported.

In particular, the moving means is connected to the drive chain wheel 630 and the driven chain wheel 632 and the drive chain wheel 630 and the driven chain wheel 632, which are installed at intervals on the distal conveyor portion 530. The transport table along the chain 634, the drive motor 635 for driving the drive chain wheel 630 so that the chain 634 can move forward / reverse, and the chain 634 for forward / reverse travel It is composed of a fixing bracket 636 for fixing the feed table 624 to the chain 634 so that the 624 can move horizontally. Here, the moving means, it is preferable that a pair is provided on both sides of the transfer table 624 so that both sides of the transfer table 624 can be moved.

According to the pusher 620, the drive motor 635 rotates in the forward direction to drive the drive chain wheel 630. Then, the chain 634 also travels in the forward direction, along the chain 634 traveling in the forward direction, the transport table 624 is also horizontally moved, while the push plate 625 is moved by the horizontal transport platform 624 Push the stack of plates (F) in the standby position ("Y"). In particular, it pushes to the upper surface of the pallet P1 arrange | positioned at the loading position "X", and therefore, the sheet pile F is loaded on the pallet P1 of the loading position "X".

On the other hand, referring to Figure 9, in the first pressure jaw 330 clamping one side of the pallet (P1), the sheet pile F transferred from the standby position ("Y") to the stacking position ("X") A guide plate 700 for guiding is installed.

The guide plate 700 is installed along the longitudinal direction of the first pressing jaw 330, and guides the sheet pile F transferred from the standby position ("Y") to the stacking position ("X"), Helps smooth movement of the pile of plates (F).

Referring back to FIG. 1, the plate loading system of the present invention includes an unloading conveyor 800 for discharging the pallet P1 on which the stack of the plate piles F is completed.

The unloading conveyor 800 is installed successively at the end of the pallet conveyor 300, and consists of a roller conveyor. The unloading conveyor 800 serves to discharge the pallet P1 loaded with the sheet pile F to the outside of the system.

Next, the operation of the present invention having such a configuration will be described with reference to FIGS. 1 to 9.

First, the system is operated using an on / off switch (not shown). Then, as shown in Figure 1, the loading conveyor 210 of the pallet feeder 200 is operated to start introducing the pallet pile (P).

And the pallet pile (P) introduced to the loading conveyor 210, the movement is limited by the stop plate 224 of the individual supply unit 220 while moving along the conveyor 210, as shown in FIG. At this time, only the pallet P1 at the bottom of the pallet pile P exits to the bottom of the stop plate 224.

And the pallet P1 taken out from the individual supply unit 220, as shown in Figure 1, is transferred to the transfer conveyor 230, the conveyed pallet (P1) is the first conveyor portion of the pallet conveyor 300 The pallet P1 transferred to the stacking position ("X") along the 310 and the second conveyor unit 320, and the pallet P1 transferred to the stacking position ("X") stops the operation of the second conveyor unit 320. Position at the stowed position ("X").

When the pallet P1 is transferred to the stacking position "X", as shown in FIGS. 3 and 4, the second pressing jaw 340 of the clamping means moves toward the first pressing jaw 330. The moving second pressure jaw 340 pushes the pallet P1 at the stacking position “X” to the first pressure jaw 330 and moves the pallet P1 together with the first pressure jaw 330. Clamp.

Meanwhile, while the pallet P1 is transferred to the loading position "X", as shown in FIG. 1, the sheet loading conveyor 400 also operates while introducing the sheet pile F and introducing the sheet pile ( F) is conveyed to the sheet conveying conveyor 500, the sheet pile (F) to be conveyed is conveyed to the standby position ("Y") along the sheet conveying conveyor (500).

At this time, the direction change conveyor unit 510 of the sheet conveying conveyor 500 is parallel to the conveying direction of the pallet P1 while redirecting the sheet pile F conveyed from the sheet loading conveyor 400 at an approximately 90 ° angle. To match. The intermediate conveyor 520 and the end conveyor 530 transfer the diverted sheet pile F to the standby position (“Y”). Here, the sheet pile F transferred to the standby position ("Y") is maintained at the standby position ("Y") as the end conveyor portion 530 stops operating.

On the other hand, when the sheet pile F is transferred to the standby position ("Y"), as shown in Figures 7 to 9, the lifter 610 is operated while lifting the sheet pile (F), which will come in at the top The stacked sheet pile F is disposed at a position higher than the upper surface of the pallet P1 at the loading position "X".

When the rising of the sheet pile F is completed, the push plate 625 of the pusher 620 is pressed to press the sheet pile F toward the upper surface of the pallet P1, and the sheet pile F being pressed. Is seated while moving to the upper surface of the pallet P1. At this time, the pusher 620 is returned to the original position when the pressing of the sheet pile (F) is completed.

On the other hand, when the pile stack F is loaded on the upper surface of the pallet (P1), as shown in Figures 3 and 4, while the first pressing jaw 330 of the clamping means moves the pallet (P1) pallet pallet ( Pressed to the center of the 300, the pressed pallet (P1) moves to the center of the pallet conveyor (300).

When the pallet P1 moves to the center of the pallet conveyor 300, as shown in FIG. 1, the pallet conveyor 300 is operated again to transfer the pallet P1 to the unloading conveyor 800. .

The pallet P1 transferred to the unloading conveyor 800 is discharged to the outside of the system while being transferred to the end of the unloading conveyor 800.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

As described above, the plate loading system according to the present invention, by placing the loaded pallet in the loading position one by one, and automatically loading the pile of the plate on the pallet disposed in the loading position, thereby efficiently loading a plate, such as corrugated cardboard on the pallet Allow for convenient loading. In particular, by automatically loading a plate, such as corrugated cardboard on a pallet has the effect of reducing human waste to the maximum and improve the work efficiency.

Claims (8)

A pallet feeder supplying the pallets one by one; A pallet conveyor for moving the supplied pallet to a loading position; A plate loading conveyor for introducing a pile of plates; A plate conveying conveyor for moving the loaded sheet pile to a standby position which is a side portion of the pallet of the loading position; And a stacking device for stacking the stack of sheets of the standby position moved to the pallet side of the stacking position on the upper surface of the pallet, The stacking device includes: a lifter for lifting the stack of plates upward so that the stack of plates in the standby position is disposed at a position higher than the upper surface of the pallet of the stacking position; And a pusher for pushing and loading the elevated stack of plates at the standby position to the upper surface of the pallet at the stowed position. The method of claim 1, The pallet feeder, A loading conveyor for introducing a pallet pile; A stop plate disposed perpendicular to the frame to limit movement of the loaded pallet stack; Elevating means for raising and lowering the stop plate to a predetermined height so as to permit movement of only the lowest pallets one by one among the pallet piles with limited movement; And a conveying conveyor for conveying the individually supplied pallets to the pallet conveyor. The method according to claim 1 or 2, The pallet feeder, Plate loading system, characterized in that a plurality of configured to selectively supply different sizes of pallets as needed. The method of claim 1, Further comprising clamping means for clamping the pallet of the loading position, the clamping means, A first pressurizing jaw installed above the pallet conveyor so as to clamp one side of the pallet at the loading position; A second pressing jaw installed above the pallet conveyor to clamp the other side of the pallet at the loading position; And a first and second movement means for moving the first and second pressure jaws, respectively, so that the first and second pressure jaws can be clamped on one side and the other side of the pallet while moving relative to each other. A plate loading system characterized by the above-mentioned. The method of claim 1, The sheet conveying conveyor may include a redirection conveyor unit for redirecting the conveying direction of the sheet pile to a state parallel to the conveying direction of the pallet, and an end conveyor unit for transferring the diverted plate stack to a standby position, The redirection conveyor unit, A multi-type belt conveyor for introducing the stack of sheet conveyed from the sheet loading conveyor; A roller conveyor installed between the belts of the belt conveyor and having a conveying direction orthogonal to the conveying direction of the belt conveyor; And a lifting means for lowering the height of the belt conveyor lower than the upper surface of the roller conveyor so that the sheet pile introduced into the belt conveyor can be turned while being mounted on the roller conveyor. The method according to any one of claims 1, 2, 4, and 5, And the lifter includes lift arms mounted on the sheet conveying conveyor to lift the stack of plates in the standby position, and lifting means for raising and lowering the lift arms. The method according to any one of claims 1, 2, 4, and 5, The pusher includes a pair of guide rails installed horizontally on both sides of the sheet conveying conveyor, a conveying table on which both ends are movable to move along the guide rail, and the sheet pile at the standby position to press the stack. And a pushing plate installed vertically on a conveying table, and a moving means for horizontally moving the conveying table so that the pushing plate can convey the sheet stack by pushing the upper surface of the pallet at the loading position. The method according to any one of claims 1, 2, 4, and 5, And an unloading conveyor for discharging the pallet on which the stack of sheets is loaded.

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