JPS605503B2 - Stacking paperboard stacking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a stacking device that stacks paperboard formed to a predetermined size using a cardboard manufacturing machine or the like and stacked in an appropriate number onto a cart, and then transports the paperboard onto a delivery conveyor. .

Currently, when corrugated paper is conveyed from a corrugated board manufacturing machine and is stacked with the same front and back sides, as time passes, it warps in the same direction and the quality deteriorates significantly, so it is necessary to stack it once. Workers are taking turns flipping and reloading multiple sheets of cardboard.

However, this reloading work is extremely labor intensive when the paperboard is large, and such work is unsuitable for highly efficient corrugated board manufacturing machines. Therefore, the present applicant has developed a device that alternately flips over a large number of sheets of corrugated paperboard that are discharged from a corrugated board manufacturing machine. The present invention aims to provide a stacking device that can continuously stack a large number of stacked paperboards to be carried out from the reversing device.One embodiment of the present invention will be described based on the drawings. Conveyor 2 and stacked paperboard A connected to the output side of the reversing device
The machine frame 1 is installed in a recess 4 dug from the floor FL, and its upper part projects above the floor FL.

Reference numerals 5 and 5 designate a pair of left and right truck conveyors that are connected to the transport conveyor 2 at the front upper part of the machine frame 1 with an appropriate distance S left and right in the feeding direction. The frame 6 is constructed so that the distance S therebetween can be adjusted, and a large number of rollers 8 rotated by a motor 7 are arranged in parallel within the frames 6, 6.

Furthermore, the frames 6, 6 are equipped with a drive device B that causes them to retreat outward from each other at high speed and return them to their original positions. This drive device B has gears 10, 10 that rotate in forward and reverse directions meshed with racks 9, 9 protruding from the outside of frames 6, 6 by air cylinders (not shown). 11
is a stopper of the stacked paperboard A disposed above the rear part of the trap conveyors 5, 5 so as to be adjustable back and forth.

Reference numerals 12 and 12 indicate stacking boards A of stacked paperboard A disposed above and outside of the trap conveyors 5, 5, and the piston rod 14 of the air cylinder 13 is connected to the outer surface thereof.

15, 15 descends below the trap conveyors 5, 5,
The trap conveyors 5, 5 are laterally moved to the lower end of the carry-out section a formed between the rear side of the machine frame 1 and the carry-out conveyor 3, and then moved up this carry-out section a to the trap conveyor 5 again.
, 5, which are a pair of trolleys that move below the trolleys 15 and 5.
, 15 is provided with a feeding device for the stacked paperboard A to the delivery conveyor 3, which is formed by a large number of rollers 18 arranged side by side and rotated by a motor 17 in a frame 16.

19, 19 are a pair of front and rear lowering chains 19, 1 which are stretched on the left and right sides of the front side of the machine frame 1 and rotated by the motor 2.
The trolley 15 is placed on a support piece 21 protruding inward from the lower part 9, and the lowering chains 19, 19 rotate to lower the trolley 15.
is configured so that it descends.

Further, reference numerals 22 and 22 denote a pair of front and rear lifting chains that are stretched on the left and right rear sides of the machine frame 1 and are rotated by a motor 23.
Place the cart 15 on top of 4, and connect the lifting chains 22, 2.
2, the cart 15 is raised. 25, 25 are wheels 26 provided at the lower ends of the carts 15, 15
, 26 are a pair of left and right lower rails for horizontal movement laid at the lower end of the machine frame 1, and 27, 27 are the lower rails for horizontal movement laid on the lower end of the machine frame 1 in correspondence with the trolleys 15, 27,
These are a pair of left and right upper rails for lateral movement arranged on the upper part of the machine frame 1 in correspondence with the hanging wheels 28, 28 provided at the upper end of the machine frame 1.

Reference numeral 29 denotes a chain for lateral movement of the carts 15, 15, which is stretched over the entire length outside the lower rails 25, 25, and is rotated by a motor 301.
It has a bifurcated receiving part 32 to which a connecting plate 31 hanging down from the lower end is engaged.

Reference numeral 33 designates a chain for lateral movement of the carts 15, 15, which is installed over the entire length within the upper rails 27, 27 and rotated by a motor. It has a bifurcated receiving part 35 that fits together,
Further, a notch 36 is provided in the upper rails 27, 27 at a corresponding position so that the hanging wheels 28, 28 can be inserted into the upper rails 27, 27, and the air cylinder 3 is provided in this notch 36.
An opening/closing lid 38 operated by 7 is attached. 40'
A phototube switch 39 detects that the stacked paperboard A is placed on the trap conveyors 5, 5, and the stacked paperboard A is transferred to the cart 15 by the operation of the trap conveyors 5, 5.
, 15 is a phototube switch that detects when it is sent to war.

The motors and air cylinders that drive each member in the above embodiments are all automatically controlled by electrical signals from phototube switches or IJ mitt switches provided at predetermined positions. Since one embodiment of the stacking paperboard stacking device according to the present invention has the above-described configuration, a certain number of stacked paperboards A are now fed from the reversing device to the conveyor 2, and the tip of the paperboard A is used to control the photocell switch. 4
0 is closed, the motor 7 is driven by a signal from the phototube switch 40, and the rollers 7 of the trap conveyors 5, 5 rotate, and as shown in FIG. , 5, and when the rear end of the stacked paperboard A passes through and the phototube switch opens, the motor 7 for driving the loaf 8 stops, so the leading edge of the stacked paperboard A is shown in the opening in Figure 6. It is supported by the stoppers 11, 11 and stopped.

At the same time, the air cylinder 13 is activated, and the left and right shifting plates 12, 12 are moved forward at the same time to bring the stacked paperboards A to the center and align both sides of each paperboard A. Then, the drive device B is activated to move the stacked paperboards A toward the center, and then the driving device B is activated to move the stacked paperboards A toward the center. As shown in FIGS. 2 and 2, the pair of left and right trap conveyors 5, 5 simultaneously retreat outward at once, and using the abutment plates 12, 12 and stopper 11 as guides, multiple rows of stacked paperboards A are simultaneously dropped downward, and the carts 15 Place the items on the upper pallet b' in an orderly manner. When the phototube switch 39 is closed by this fallen stack of paperboards, the motor 20 is driven and the descending chains 19, 19 start rolling.
The cart 15 whose lower end is supported by the support pieces 21, 21 descends, and as the stacked paperboard A descends, the phototube switch 3
9 opens, the motor 20 stops and the lowering of the truck 15 is stopped. On the other hand, the trap conveyors 5, 5 and the abutment plates 12, 1
2 returns to its original state at the same time as the cumulus paperboard A falls, so
The next cumulus paperboard A is immediately conveyed from the conveyor 2, and the above operation is repeated. In this way, the paperboard is stacked on the trolley 15, and the wheels 26, 26 of the trolley 15 are connected to the lower rail 25, as shown by the chain lines in FIG.
25, the connecting plate 31 on the side of the trolley 15 is engaged with the receiving part 32 on the side of the lateral movement chain 29, and as the lateral movement chain 29 rotates, the carriage 15 moves to the position shown in FIG. As shown, it is moved to the rear part of the machine frame 1, that is, to the lower end of the unloading section a.
At the same time as this lateral movement, the lateral movement chains 33, 33 in the upper rails 27, 27 are driven, so another cart 15, which was waiting at the top of the unloading section a, moves to the lower side of the truck conveyors 5, 5. Subsequently, the stacked paperboard A falling from the trap conveyors 5, 5 is held. Further, the cart 15 that has moved to the lower end of the unloading section a is supported on the support pieces 24, 24 of the lifting chains 22, 22, and rises at once as the chains 22, 22 rotate, as shown in FIG. When it reaches the position of the carry-out conveyor 3 on the floor FL, it stops once, and the paperboard stacked in multiple rows on the pallet by the rotation of the roller 8 is transferred along with the pallet b to the carry-out conveyor 3 which moves with the roller 18. It is. On the cart 15 that carried out the paperboard A, a new pallet b is placed on the carriage 15 from the carry-out conveyor 3.
After being sent in, the suspension wheels 28, 28 rise slightly and enter into the upper rails 27, 27, and the connecting plate 34 moves into the receiving part 3.
5, the notches 36 of the upper rails 27, 27 are sealed by the opening/closing lid 38, so the cart 15 is supported in a suspended state by the upper rails 27, 27 as shown in FIG. , 5 in preparation for the downward lateral movement. In addition, the lateral movement chains 29, 29 and 3
3 and 33 move the carts 15 and 15 laterally, and then reversely return to the original position so that the receiving portions 32 and 35 correspond to the connecting plates 31 and 34 on the carts 15 and 15 side. As described above, the stacked paperboard layer according to the present invention consists of the left and right end portions of the paperboard stacked in advance in a fixed number of sheets per month on a pair of left and right trap conveyors that are disposed opposite each other at an appropriate interval in the left and right directions with respect to the feeding direction. The structure is such that the stacked paperboard is dropped onto the lower trolley by supporting the trap conveyor and retreating from side to side at once, and this trolley descends according to the height of the stacked paperboard.Moreover, the trap conveyor is equipped with a stopper. Since a pair of left and right stacking plates are provided so that the stacked paperboards fall accurately without shifting in the lateral direction, the stacked paperboards can be piled up neatly and in many layers.

In particular, the pair of left and right carts descends below the trap conveyor, moves backwards when they reach the bottom, rises, connects to the carry-out conveyor, and moves to the bottom of the trap conveyor again. At the same time, the chain for lowering the cart and the chain for raising the cart are driven separately, so that while one cart is sequentially lowered, the other cart rises all at once to carry out the stacked paperboard to the carrying conveyor and to feed a new pallet. As a result, even if the trap conveyor operates at high speed, it is possible to carry out the work of unloading stacked paperboards and setting up empty pallets with plenty of time. This has the effect of stacking up the stacked paperboards in an orderly manner and sending them out to the carry-out conveyor.

[Brief explanation of drawings]

FIG. 1 is a side view showing one embodiment of the present invention, FIG. 2 is a partially cutaway plan view of the same embodiment, FIG. 3 is a perspective view showing a trap conveyor in the same embodiment, and FIG. 4 is a perspective view showing the relationship between the cart and the lower rail in the same embodiment, FIG. 5 is a perspective view showing the relationship between the cart and the upper rail in the above example, and FIG. 6 is the work in the same example. FIG. 2 is an explanatory diagram showing the order. 1: Machine frame, 2: Transfer conveyor, A: Stacking paperboard, 3: Unloading conveyor, 5, 5; Trap conveyor, B: Drive device, 11, 11; Stopper, 12, 12; Collar board, 15
, 15: Dolly, a; Unloading section, 19; 19: Lowering chain, 22, 22; Ascending chain, 25, 25; Lower rail, 27, 27; Upper rail, 29, 33; Lateral movement chain. Figure 1 Figure 2 Figure 4 Figure 3 Figure 5 Figure 6

Claims (1)

[Claims] 1. Install them at an appropriate distance on the left and right in the feeding direction,
A pair of left and right trap conveyors each having a feeding device for transferring the stacked paperboards transferred from the conveyor and a drive device for moving the paperboard forward and backward in the left and right directions with respect to the feeding direction; A stopper for the stacked paperboard, a pair of left and right stacking boards for the stacked paperboard provided above and outside the trap conveyor so that they can move forward and backward, and a feeding device for transferring the stacked paperboard to the delivery conveyor, and The trap is lowered by a descending chain provided therein and laterally transferred to the lower end of the discharge formed between the trap conveyor and the discharge conveyor behind it. It is connected to a pair of trolleys that ascend by a chain and connect to the carry-out conveyor, then move laterally to the underside of the trap conveyor again, stacking the stacked paperboards that fall from the trap conveyor onto the carriages, and transporting them to the carry-out conveyor. A stacking device for stacking paperboard.