JPH09226920A - Empty pallet collecting device for game machine manufacture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically collect an empty pallet produced following supplying of a game board to a game machine manufacturing line from a supply stage by using a supply line. SOLUTION: When empty pallets 4e are placed on a main line 22 by lowering of a supply stage 5, these empty pallets 4e are carried to a carry switching stage 23 and stopped by the chain 22b of the main line 22. After raising of the carry switching stage 23, the empty pallets 4e are carried to an empty pallet stage 25 side while the upper side of the main line 22 is separated. These carried empty pallets 4e are received by the empty pallet stage 25. In the empty pallet stage 25, after the empty pallets 4e are piled up to a certain level so as to be raised in sequence from the lower side, by carrying the pallets via the carry switching stage 23 to a warehouse leaving line 21, the empty pallets 4e are easily collected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention supplies an empty pallet generated when a gaming board in a gaming board block is completely supplied to a gaming machine manufacturing line when manufacturing a gaming machine such as a pachinko machine. The present invention relates to a device for automatically collecting from a stage by using a supply line.

[0002]

2. Description of the Related Art A game board of a pachinko machine is formed by integrally bonding a cell sheet having a design drawing on its back surface to one surface of a game board such as veneer.

By the way, in order to manufacture a gaming machine such as a pachinko machine, a group of four game boards such as veneer cut by a woodworking maker into substantially rectangular predetermined dimensions are arranged in a grid pattern in a plane. 70 to 80 layers are stacked on a pallet, and a dummy veneer for protecting a game board as a product is formed on the uppermost layer to form a layered body, and this layered body together with the pallet does not collapse with a band. The game board blocks are bundled together to form a game board block, and a large number of game board blocks are loaded on the truck bed and transported to the pachinko machine maker's warehouse, and the forklift truck loads each gaming board block from the truck bed to the warehouse. I am unloading.

In a pachinko machine maker, an operator cuts a band of a game board block unloaded in front of a supply stage of a cell pasting device arranged at the uppermost stream of a game machine manufacturing line from a warehouse by a forklift truck to perform packing. When the game board is unpacked, the dummy veneer is removed from the unpacked game board block, and the game board is mounted on the supply stage of the cell attaching device. From this supply stage, for example, 2 game boards
It is supplied to the hot press which is the first step of the cell sticking device so as to be arranged in a plane in a row.

[0005]

However, when the game board in the game board block is completely supplied from the supply stage to the game machine manufacturing line, an empty pallet is generated, but this empty pallet is generated every time the game board is generated. A worker artificially stacked near the block, and when it reaches a certain height, it is transported to the warehouse by a forklift truck, and empty pallets stacked before the transportation are game boards. Not only hinders the work of supplying the machine to the amusement machine manufacturing line, but also causes the operator to accidentally hit an empty pallet that has been stacked.
Occasionally, the stacked empty pallets may collapse and the operator may be injured.

Therefore, the present invention intends to provide an apparatus capable of automatically collecting empty pallets generated by the supply of game boards to the game machine manufacturing line from the supply stage by using the supply line. It is a thing.

[0007]

According to another aspect of the present invention, there is provided an empty pallet collecting device for manufacturing a gaming machine, wherein a gaming board block in which a large number of gaming boards for gaming machines such as pachinko machines are stacked on a pallet, Elevating and laterally transferring inside a supply line that is automatically conveyed by a pair of chains, from the warehouse in the building of a factory that manufactures game machines such as pachinko machines to the most upstream supply stage of the game machine manufacturing line. A feature is that an operable transfer switching stage is installed, and an empty pallet stage that collects empty pallets that have been completely supplied with game boards in a game board block is installed on the side of the supply line at this transfer switching stage. There is. This claim 1
According to the above configuration, the empty pallet stage is provided at the side of the supply line having the pair of chains provided with the supply stage at the end of the transfer direction at the part of the transfer switching stage that can move vertically and laterally. Thereby, the empty pallet in which the game boards in the game board block are completely supplied can be automatically collected from the supply stage to the empty pallet stage via the supply line and the transfer switching stage.
Also, since empty pallets are carried out to the side of the supply line,
After a waiting time until the empty pallet is carried out to the side of the supply line from the supply stage, a new game board block can be transferred from the warehouse to the supply stage on the supply line. Further, inside the supply line, a warehouse support stage that can move up and down, a transfer switching stage that can move up and down and sideways transfer, and a supply stage that can move up and down are arranged in order along the transfer direction of the supply line, and transfer operation is possible. If an empty pallet stage is installed on the side of the main line at the transfer switching stage, the main line will be transferred while the game board is being supplied by the supply stage, and a new game board block will be transferred from the warehouse to the warehouse receiving stage. Prepared by unpacking the new game board block or removing the dummy veneer in a state where it is levitated and supported by a pair of chains of lines, and empty pallet stage from the supply stage through the supply line and transfer switching stage. After automatically collecting the new game board block, It can be quickly supplied to the gaming machine production line emerged supported from a pair of chains of the main line supply stage via the main line from di. The empty pallet collection device for manufacturing a gaming machine according to claim 2 manufactures a gaming board block in which a large number of gaming boards for a gaming machine such as a pachinko machine are stacked on a pallet, and a gaming machine such as a pachinko machine. A supply line that automatically conveys with a pair of chains from the warehouse inside the building of the factory to the most upstream supply stage of the game machine manufacturing line,
The warehousing line and the main line are separately configured, and a first transfer switching stage that can move vertically and laterally is provided at the intersection of the warehousing line and the main line in the transfer direction. On the side of the supply stage and the side of the warehouse line in the plane consisting of, an empty pallet stage is installed to collect the empty pallets that have been completely supplied with the game boards in the game board block. It is characterized in that a second transfer switching stage capable of lifting and moving laterally is installed inside the warehouse line. According to the configuration of claim 2, the game board in the game board block is completely supplied to the side of the supply stage and the side of the warehousing line in the plane formed by the divided warehousing line and the main line. By installing an empty pallet stage that collects the empty pallets, and by installing a second transfer switching stage that can move vertically and laterally inside the warehouse line in the transfer direction side of this empty pallet stage, The stage does not project to the opposite side of the warehouse from the main line, and empty pallets that are completely filled with game boards in the game board block are automatically collected from the supply stage to the empty pallet stage via the supply line and transfer switching stage. It is possible to save space for installation of the device.

[0008]

1 to 6 show a first embodiment,
First, in FIG. 6, a game machine manufacturing line 2 and a warehouse 3 are provided inside a building 1 of a game machine manufacturing factory to prevent changes or warpage in water content of the game boards 4a in the game board block 4 shown in FIG. We try to make it as easy as possible to suppress the occurrence. This amusement machine manufacturing line 2 is installed on the first floor of the building 1,
A supply stage 5 is provided on the uppermost stream side thereof to supply the game board 4a of the game board block 4 to the game machine manufacturing line 2 in a planar manner.

As shown in FIG. 1, the game board block 4 has a set in which, for example, four game boards 4a, such as veneer cut into a substantially rectangular shape by a woodworking maker, are arranged adjacent to each other in a planar lattice. 70 to 80 steps are stacked on the pallet 4b, and a dummy veneer 4c for protecting the game board 4a is placed on the top of the pallet 4b to form a laminated body, and the laminated body is made of synthetic resin together with the pallet 4b. Band 4
700-800k, tied so that the load does not collapse at d
It has a weight of about g. A large number of these game board blocks 4 are loaded on a truck bed (not shown) by a woodworking maker and transported to the material loading port 3b of the warehouse 3 shown in FIG. 6 and unloaded from the truck bed by a forklift truck (not shown). To be done.

Referring again to FIG. 6, the warehouse 3 is located at 1 in the building 1.
The crane 3c for loading and unloading, which has a floor dug down from the floor of the floor and is arranged between the shelf frames 3a installed in parallel on the floor, is instructed by a controller having a computer (not shown), Track 3 laid along shelf frame 3a of warehouse 3
The game board block 4 unloaded from the loading platform of the truck is moved in the vertical and horizontal directions in a state of sliding contact with the d and the shelf frame 3 is placed.
One by one is piled up orderly on the shelf of a, and one game board block 4 is mounted on the supply line 20 from the shelf of the shelf frame 3a and returned to a predetermined standby position.

Further, the crane 3c detects that the empty pallet 4e, which will be described later, arrives at the warehouse side end of the supply line 20 and the conveyance operation of the supply line 20 is stopped by an instruction from a control device (not shown). According to an instruction from a control device (not shown) accompanied by an output signal from the sensor, the empty pallet 4e is moved from a predetermined standby position to the warehouse side end of the supply line 20 and is unloaded to the material carry-in port 3b of the warehouse 3. To return to the predetermined standby position.

Next, in FIG. 1, the supply line 20 is installed on the floor of the first floor of the building 1 and the game board block 4 from the warehouse 3 to the supply stage 5 is paired with a chain 21 to be described later.
The warehousing line 21 linearly extending from the warehouse 3 and the warehousing line 21 are divided and configured to be automatically conveyed by being placed on b and 22b. A main line 22 arranged in a plane so as to be orthogonal to each other and extending linearly, and the main line 22.
Transfer switching stage 23 installed inside the intersection of the warehousing line 21 in the transfer direction so that it can be moved up and down and transferred.
And a warehouse receiving stage 24 that is vertically movable at one end of the main line 22 in the transport direction, and a transport switching stage 23.
The empty pallet stage 25 installed on the side of the main line 22 in the above section.

The warehouse line 21 is a skeleton frame 21a and a pallet 4b of the game board block 4 as shown in FIG.
Is provided with a pair of endless chains 21b which are arranged relative to each other at a predetermined interval so that they can be stably mounted.

The chain 21b is a skeleton frame 21a.
Further, the sprocket wheels 21c and 21d are rotatably mounted on the front and rear ends in the transport direction so as to be reversed in the moving direction. The upper transporting portion of the chain 21b located between the sprockets 21c and 21d moves in the one direction indicated by the arrow X1 on the main line 22 side from the warehouse 3 side by the normal rotation drive of a motor (not shown) fixed to the skeletal frame 21a. When the motor is driven in reverse, it moves from the main line 22 side to the other direction indicated by arrow X2 on the warehouse 3 side.

The sprocket 21 of the warehouse line 21
A rail 21e is provided between c and 21d so as to slidably support the upper transfer portion of the chain 21b and bear the weight of the game board block 4.

The main line 22 is provided with a pair of endless chains 22b which are arranged on the skeleton frame 22a so as to be able to stably mount the pallet 4b of the game board block 4 with a predetermined interval therebetween.

The chain 22b is a skeleton frame 22a.
Further, the sprocket wheels 22c and 22d are rotatably mounted to the left and right at the front and rear ends in the conveying direction, and are wound so as to reverse the moving direction. The upper transporting portion of the chain 22b located between the sprockets 22c and 22d moves in the one direction indicated by the arrow Y1 on the supply stage 5 side from the warehouse receiving stage 24 side by the normal rotation drive of a motor (not shown) fixed to the skeleton frame 22a. , By the reverse drive of the motor, the motor moves from the supply stage 5 side to the other direction indicated by the arrow Y2 on the rack receiving ledge 24 side.

The sprocket 22 of this main line 22
Chain 22b is attached to the skeleton frame 22a between c and 22d.
A rail 22e is provided which slidably supports the upper transporting part and which bears the weight of the game board block 4.

As shown in FIG. 2, the transfer switching stage 23 is a game board block 4 or an empty pallet 4e (actually a pallet which is an object to be transferred between the warehouse line 21, the main line 22 and the empty pallet stage 25. Although it is the same as 4b, the reference numeral 4b is given to the pallet in the state where the game boards 4a are stacked, and the game boards 4b are supplied from the supply stage 5 of the game machine manufacturing line 2 to the inspection stage 6 and stacked. Not marked 4e on empty pallet
(Indicated by a circle) is provided in an area where the transfer direction is switched and the delivery is smoothly performed, and a hydraulic cylinder 23a installed at an intersection of the main line 22 is provided, and a piston rod projected above the hydraulic cylinder 23a. A lift base 23b is fixed to an end of the lift base 23b, and a plurality of rollers 23c are rotatably attached to the lift base 23b in a spaced apart arrangement.

Each roller 23c has an axial length capable of stably mounting the pallet 4b of the game board block 4, and is driven by the extension drive of the hydraulic cylinder 23a.
When the hydraulic cylinder 2 is stopped from the lower limit position shown by the phantom line to the upper limit position shown by the solid line in FIG.
When the chain 3b of the main line 22 is stopped from the ascending limit position to the descending limit position by the reduction drive of 3a, it is positioned below the upper conveying portion of the chain 22b.

Each roller 23c is a lift base 2
By rotating the motor (not shown) mounted on 3b in the normal direction, the motor is rotated so as to give a conveying direction from the warehouse line 21 side to the empty pallet stage 25 side, and by the reverse drive of the motor, the warehouse pallet stage 25 is unloaded. It rotates so as to give a conveying direction to the line 21 side.

As shown in FIG. 3, the warehouse receiving stage 24 is an area where the band 4d of the game board block 4 is cut to unpack and the dummy veneers 4c are removed, and the inside of one end of the chain 22b of the main line 22 is removed. In building 1
It is equipped with a hydraulic cylinder 24a installed on the floor.
A lift base 24b having a size capable of stably mounting the pallet 4b of the game board block 4 is connected to the hydraulic cylinder 24a so as to move up and down by the expansion / contraction drive of the piston rod of the hydraulic cylinder 24.

The lift base 24b is stopped by the extension drive of the hydraulic cylinder 24a from the lower limit position shown by the phantom line in FIG. 3 to the upper limit position shown by the solid line in FIG. The main line 2 is located at a higher position and is stopped from the ascending limit position to the descending limit position by the reduction drive of the hydraulic cylinder 24a.
The second chain 22b is located below the upper transport section.

As shown in FIGS. 2 and 4, the empty pallet stage 25 is an area for collecting and stacking empty pallets 4e from the supply stage 5, and is a box-shaped skeleton frame opened to the main line 22 side. The inside of 25a is provided with a pair of endless chains 25b which are arranged relatively opposite to each other at a predetermined interval so that the empty pallet 4e can be stably mounted.

This chain 25b is a skeleton frame 25a
Further, the sprocket wheels 25c and 25d are rotatably mounted on the front and rear ends in the transport direction so as to rotate in the left and right directions. The upper transfer section of the chain 25b located between the sprockets 25c and 25d is located substantially in the same plane as the upper transfer section of the chain 21b of the warehouse line 21. The empty pallet 4e is loaded into the skeleton frame 25a from the main line 22 side by the roll driving, and the empty pallet 4e is unloaded from the skeleton frame 25a side to the main line 22 side by the reverse driving of the motor.

Between the sprockets 25c and 25d, a skeleton frame 25a is provided with a rail 25e for slidably supporting the upper conveying portion of the chain 25b and for bearing the weight of the empty pallet 4e.

A hydraulic cylinder 25f is provided on the inner bottom of the skeleton frame 25a. Hydraulic cylinder 25f
A lift base 25g having a size capable of stably mounting the empty pallet 4b is connected thereto so as to move up and down by the expansion / contraction drive of the piston rod of the hydraulic cylinder 25f.

When the lift base 25g is stopped from the lower limit position to the upper limit position by the extension drive of the hydraulic cylinder 25f, a space D for one empty pallet 4e or more is formed above the upper conveying portion of the chain 25b. In addition, when the lift base 25g is stopped from the ascending limit position to the descending limit position by the reduction drive of the hydraulic cylinder 25f, it is located below the upper conveying portion of the chain 25b.

A pair of claws 2 provided on the skeleton frame 25a above the lift limit position of the lift base 25g.
5h is inserted laterally into the empty pallet 4e mounted on the lift base 25g stopped at the lift limit position to hold the empty pallet 4e so as to sandwich it from the left and right, while the held empty pallet 4e rises. When being lifted by the empty pallet 4e mounted on the lift base 25g on the way, the empty pallet 4e is pulled out to the left and right from the held empty pallet 4e and moves so as to properly raise the empty pallet 4e mounted on the lift base 25g. .

As shown in FIG. 5, the supply stage 5 is a region for planarly supplying the set of game boards 4a of the game board block 4 to the inspection stage 5 of the game machine manufacturing line 2.
The hydraulic cylinder 5a is provided inside the other end of the chain 22b of the main line 22.
A lift base 5b having a size capable of stably mounting the pallet 4b of the game board block 4 is fixed to the end of the piston rod projecting upward.

This lift base 5b is a hydraulic cylinder 5
When the extension driving of a is stopped from the lowering limit position shown by the virtual line in FIG.
The chain 2 of the main line 22 is stopped by stopping the hydraulic cylinder 5a from the ascending limit position to the descending limit position by the reduction drive.
It is located below the upper conveyance section of 2b.

In this embodiment, the supply line 20 supplies the game board block 4 from the warehouse 3 by the controller (not shown) which receives the output signal from the sensor (not shown) which detects the game board block 4 or the empty pallet 4e. 5, when the empty pallets 4e are collected from the supply stage 5 to the empty pallet stage 25, and when the stacked empty pallet blocks are moved from the empty pallet stage 25 to the warehouse 3
It operates as follows, depending on whether it is collected or not.

That is, when the game board block 4 is supplied from the warehouse 3 to the supply stage 5, one game board block 4 from the shelf frame 3a of the warehouse 3 is moved by the crane 3c to the warehouse side of the chain 21b of the warehouse line 21. When the arm of the crane 3c is removed from the pallet 4b of the game board block 4 that is mounted on the end, the chain 21b of the warehouse line 21 conveys the game board block 4 to the main line 22 side, and the game board block 4 Is transferred to each roller 23c of the transport switching stage 23 that is rotating at the ascending limit position, the rotation of the roller 23c is stopped and the transport switching stage 23 is lowered, and the chain 22b of the main line 22 is lowered during the lowering. After receiving the pallet 4b of the game board block 4, it moves and is conveyed to the warehouse receiving stage 24 side,
When the game board block 4 arrives at the warehouse receiving stage 24 and the transport operation of the main line 22 is stopped, the warehouse receiving stage 24 moves up, and the warehouse receiving stage 24 moves the game board block 4 to the main line during the ascent. 22 is floated and supported, and in that state, the worker cuts the band 4d of the game board block 4 mounted on the warehouse receiving stage 24 to unpack and remove the dummy veneer 4c.

After that, in response to a game board block supply start command output from a controller (not shown), the storage stage 2
4 started descending, and on the way down, main line 22
After receiving the game board block 4, the chain 22b moves and conveys it to the supply stage 5 side, and the game board block 4 arrives at the supply stage 5 and the main line 22
When the carrying operation of (3) is stopped, the pallet 4b of the game board block 4 is levitationally supported by the chain 22b of the main line 22 while the lift base 5b of the supply stage 5 is rising.

The uppermost set of game boards 4a arranged in a lattice from the game board block 4 transferred to the supply stage 5 is arranged on the upstream side of the inspection stage 6 of the gaming machine manufacturing line 2 and is not shown. When the supply to the inspection stage 6 is started by the supply mechanism of, the new game board block 4 is loaded from the shelf frame 3a of the warehouse 3 to the warehouse side end of the chain 21b of the warehouse line 21 by the crane 3c, Main line 22 via transfer switching stage 23
Warehouse stage 2 while levitating from the chain 22b
4, the worker cuts the band 4d of the new game board block 4 mounted on the warehouse line 21 to unpack it and remove the dummy veneer 4c.

As the supply of the game board 4a in the game board block 4 to the inspection stage 6 progresses, the game board 4e is completely supplied, and the empty pallet 4e remains on the supply stage 5, and the supply stage 5 receives the empty pallet 4e. When recovering the remaining empty pallet 4e to the empty pallet stage 25, the lift base of the supply stage 5 is instructed by an empty pallet recovery start command output from a controller (not shown) accompanying the exhaustion of the game board 4a. 5b starts to descend, and in the middle of its descending, the chain 22b of the main line 22 moves after receiving the empty pallet 4e and moves to the transfer switching stage 23.
And the empty pallet 4e is transferred to the transfer switching stage 23.
When the transport operation of the main line 22 is stopped, the empty pallet 4e is levitationally supported by the chain 22b of the main line 22 while the lift base 23b of the transport switching stage 23 is rising, and then the transport switching stage 23 is stopped.
Each roller 23c rotates from the warehouse line 21 side to the empty pallet stage 25 side to convey the empty pallet 4e to the empty pallet stage 25 side.

With the transportation of the empty pallet 4e on the transport switching stage 23, the chain 25b of the empty pallet stage 25 performs the transport operation on each roller 2 of the transport switching stage 23.
The transfer switching stage 2 starts at the same speed as the transfer speed of 3c.
Empty pallet 4e transferred from 3 to frame frame 25a
When the empty pallet 4e is transferred to the inside of the empty pallet stage 25 and is transferred directly above the lift base 25g of the empty pallet stage 25,
When the carrying operation of the chain 25b is stopped, the lift base 25g starts to rise, and during the ascent, the lift base 25g floats and supports the empty pallet 4e from the chain 25b and stops at the lift limit position.

When the pawl 25h is laterally inserted into the empty pallet 4e mounted on the lift base 25g due to the stop of the lift base 25g to the upper limit position, the lift base 25g starts to descend and during its descending. The upper wall of the empty pallet 4e is received by the claw 25h from above,
A space D having a height of at least one empty pallet 4e is formed between the lower surface of the empty pallet 4e held by the claws 25h and the upper portion of the chain 25b.
Stops at the lower limit position.

Transport switching stage 2 for the empty pallet 4e
With the transfer from 3 to the empty pallet stage 25, the lift base 24b of the warehouse receiving stage 24 starts to descend, and during the descending, the chain 22b of the main line 22 moves after receiving a new game board block 4. When the new game board block 4 is conveyed to the supply stage 5 side and arrives at the supply stage 5 and the conveyance operation of the main line 22 is stopped, a new game board is raised while the lift base 5b of the supply stage 5 is rising. Pallet 4 of block 4
b is levitated from the chain 22b of the main line 22, and the uppermost set of game boards 4a arranged in a lattice from the new game board block 4 is the game machine manufacturing line 2
It is supplied to the inspection stage 6 by a supply mechanism (not shown) arranged on the upstream side of the inspection stage 6.

Each time the empty pallet 4e is collected from the supply stage 5, the chain 25b of the empty pallet stage 25 is repeatedly conveyed by the chain 25b, the lift base 25g is moved up and down, and the claws 25h are held and released. When collecting empty pallet blocks consisting of empty pallets 4e from the empty pallet stage 25 to the warehouse 3, the game board blocks 14 from the warehouse 3 to the warehouse receiving stage 24 are piled up in a certain amount so as to approach each other in order. While the transportation is suspended, a lift base 25g is generated by an empty pallet block recovery start command output from a controller (not shown) accompanying a certain amount of stacking of the empty pallets 4e.
Started to climb, and during that climb, lift base 25g
After lifting the lowermost empty pallet 4e on which the stack is stacked, the claw 25h retracts from the empty pallet 4e and comes out.

When the claw 25h comes off from the lowermost empty pallet 4e in the empty pallet block, the lift base 25g starts to descend, and the chain 25b of the empty pallet stage 25 is in the empty pallet block during the downward movement. After receiving the lowermost empty pallet 4e, the moving pallet block moves to carry it to the carrying switching stage 23 side, and the empty pallet block rotates at the ascending limit position.
When the crane 3c is transferred from the roller 23c of the warehouse 21c to the chain 21b of the warehouse line 21 and arrives at the side end of the warehouse 3 and the carrying operation of the warehouse line 21 is stopped, the crane 3c moves from the predetermined standby position of the warehouse 3 It moves to the warehouse side end of the warehouse line 21, receives an empty pallet block, unloads it to the material loading port 3b of the warehouse 3, and returns to a predetermined standby position.

According to the structure of this embodiment, the chain 22b, in which the supply stage 5 is provided at the end in the transport direction at the portion of the transport switching stage 23 capable of moving up and down and moving sideways the empty pallet stage 25 capable of transporting, is provided. Since it is provided on the side of the supply line 20, the empty pallet 4e in which the game board 4a in the game board block 4 is completely supplied
Can be automatically recovered from the supply stage 5 via the supply line 20 and the transfer switching stage 23.

Further, since the empty pallet 4e is carried out to the side of the supply line 20, the empty pallet 4e is moved to the supply stage 5
After a waiting time from when the product is unloaded to the side of the supply line 20, a new game board block 4 can be transferred from the warehouse 3 to the supply stage 5 on the supply line 20.

In particular, a warehouse receiving stage 24 capable of moving up and down inside the main line 22, a transfer switching stage 23 capable of moving vertically and laterally, and a supply stage 5 capable of moving vertically are provided along the transfer direction of the main line 22. Empty pallet stage 25, which is arranged in order and is capable of carrying operation
Since the transfer switching stage 23 is installed beside the main line 22, the main line 22 is transferred while the game board 4a is being supplied by the supply stage 5 to receive a new game board block 4 from the warehouse 3 With the stage 24 floatingly supported by the chain 22b of the main line 22, the new game board block 4 is unpacked and the dummy veneer 4c is artificially removed and prepared, and the empty pallet 4e is supplied from the supply stage 5. Empty pallet stage 25 via line 20 and transfer switching stage 23
After automatically collecting the newly prepared game board block 4 from the warehouse stage 24 to the main line 2
It is possible to float and support from the chain 22b of the main line 22 on the supply stage 5 via 2 and quickly supply to the gaming machine manufacturing line 2.

Although the empty pallet stage 25 having a structure for stacking the empty pallets 4e has been illustrated and described in the above embodiment, the empty pallet 4e is drawn from the supply stage 5 to the empty pallet stage 25, though not shown. At the same time, a new game board block 4 is conveyed to the supply stage 5 on the supply line 20, and after the supply stage 5 floats and supports the new game board block 4 from the supply line 20, the empty pallet stage 25 empties the pallet 4e.
Are collected in the warehouse 3 via the transfer switching stage 23 and the supply line 20, the empty pallet stage 2
5, it is possible to omit the stacking mechanism such as the hydraulic cylinder 25f, the lift base 25g, and the claw 25h, and to simplify the incidental equipment.

FIGS. 7 to 8 show the second embodiment, and in the plane formed by the warehouse line 21 having the chain 21b and the main line 22 having the chain 22b, the side of the supply stage 30 and the warehouse line 21. The empty pallet stage 31 is installed on the side of the
Does not project to the opposite side of the warehouse 3 from the main line 22 to save installation space.

The supply stage 30 of this embodiment has a side transfer function in addition to the lifting operation function of the supply stage 5 of the above embodiment. That is, a lift base 30a corresponding to the above-mentioned lift base 5b capable of ascending / descending is provided inside the other end of the chain 22b of the main line 22, and a plurality of rollers 30b are arranged in parallel in the lift base 30a. It is attached so that it can rotate.

Each of the rollers 30b has an axial length capable of stably mounting the pallet 4b of the game board block 4, and the main line 22 is stopped when the lift base 30a is stopped from the lower limit position to the upper limit position. Chain 22b
Of the lift base 30a, which is located above the upper transporting part of the
When it is stopped from the ascending limit position to the descending limit position, it is located below the upper conveying part of the chain 22b of the main line 22, while it is moved to the empty pallet stage 31 side by driving a motor (not shown) attached to the lift base 30a. Rotate to give the transport direction.

The empty pallet stage 31 is provided inside a box-shaped skeleton frame 31a which is open to one side corresponding to the skeleton frame 25a described above, and has a transport function by a chain 31b corresponding to the chain 25b described above and a lift base 31c. In addition to the stacking function by the ascending / descending operation and the holding / opening operation of the claw 31d, it has a function of switching the carrying direction by the chain 31b.

That is, the empty pallet stage 31 is provided on the floor of the building 1 with a mechanism (not shown) that horizontally moves in the XY directions orthogonal to each other, and reciprocally rotates within a range of 90 ° on the movable table of this horizontal movement mechanism. Attach a turntable (not shown) to exercise,
The skeletal frame 31a and a hydraulic cylinder (not shown) are installed on the rotating body of the turntable.
When receiving the empty pallet 4e from 0, as shown in FIG.
0 and at the same time close to the main line 22 without interfering with the main line 22, the chain 31b is connected to the supply stage 30.
When the empty pallet 4e moves in the direction in which the empty pallet 4e is carried in from the main line 22 side to the inside of the skeleton frame 31a while being located in substantially the same plane as the roller 30b at the ascent limit position, the roller is moved from the supply stage 30 at the ascent limit position to the roller Thirty
Receive the empty pallet 4e that is unloaded by the rotational drive of c,
Lift base 31 corresponding to the above-mentioned lift base 25g
The empty pallets 4e are stacked so that the claws 31c corresponding to the claws 25h described above cooperate with each other so that the empty pallets 4e are pushed up in order from the bottom.

When the empty pallets 4e are stacked in a certain amount and the empty pallet blocks are carried out to the warehouse 3, the warehouse line 21 is rotated even if the skeleton frame 31a is rotated.
The horizontal movement mechanism (not shown) moves to a position where it does not interfere with the main line 22 and the open side of the skeleton frame 31a is directed toward the warehouse line 21 side by a turntable (not shown) as shown in FIG. After that, the skeleton frame 31a is brought closer to the warehouse line 21 by the horizontal movement mechanism, and the empty pallet block is carried out from the inside of the framework frame 31a to the warehouse line 21 side by the conveyance drive of the chain 31b.

Inside the warehouse line 22 in the direction in which the empty pallet 4e is transported from the empty pallet stage 31, the same structure as the transport switching stage 23 provided inside the main line 22 can be moved up and down and transported. A transfer switching stage 32 is provided, and the transfer switching stage 32 is provided.
Lift base 32 by extension drive of hydraulic cylinder not shown
By stopping a from the lower limit position to the upper limit position,
A plurality of rollers 32b rotatably attached to the lift base 32a in parallel and spaced apart from each other are positioned higher than the upper conveying portion of the chain 21b of the warehouse line 21, and the lift base 32 is driven by the reduction drive of the hydraulic cylinder.
By stopping a from the ascending limit position to the descending limit position,
Each roller 32b is positioned lower than the upper side transport section of the chain 21b of the warehouse line 21.

Each roller 32b has an axial length capable of stably mounting the empty pallet 4e, and is attached to the lift base 32a when the lift base 32a is stopped at the ascent limit position. By driving the outside motor to rotate so as to give a transfer direction from the empty pallet stage 31 side to the warehouse line 21 side, the empty pallet block delivered from the empty pallet stage 31 is received, and the empty pallet block is Warehouse line 21
The rotation of each roller 32b is stopped when the rollers 32b are conveyed right above.

When the rotation of the roller 32b is stopped, the hydraulic cylinder is driven to contract and the lift base 32a starts to descend. During the descending operation, the chain 21b of the warehouse line 21 moves after receiving the empty pallet block. When the empty pallet block arrives at the warehouse side end, the carrying operation of the warehouse line 21 is stopped.

In the above embodiment, the lift base 5b in each stage of the supply stage 5, the transfer switching stage 23, the warehouse receiving stage 24 and the empty pallet stage 25,
23b, 24b and 25g are hydraulic cylinders 5a and 23
Although a state in which it is directly fixed to the piston rods a, 24a, and 25f is schematically illustrated, in reality, the lift base 5
Although b, 23b, 24b, and 25g are stably moved up and down without wobbling, illustration is omitted, but for example, two sets of X-shaped lever units in which two levers are rotatably connected by a pin are used. The lift bases are placed on the left and right sides at a predetermined interval relative to each other, and the lower end of one of the lever units is rotatably connected to the frame installed on the floor with a pin, and the other lever is connected. The lower end of each of the lever units is slidably engaged with the frame, and the upper ends of the levers of the lever units are slidably engaged with the lift base, while the bottom portion of the lever connected to the frame is pinned to the bottom portion of the hydraulic cylinder. Connect rotatably, and position the piston rod end of this hydraulic cylinder at a position above the pin that constitutes the center of rotation of each lever unit at the connecting point of the two levers. Comprise parallel lifting mechanism which is rotatably connected with down, the lift base stretchable driving the hydraulic cylinders are to be moved up and down while maintaining the horizontal state via the two pairs of lever unit.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment.

FIG. 2 is a schematic diagram corresponding to a cross section taken along the line AA of FIG.

FIG. 3 is a schematic diagram showing a warehouse receiving stage of the same embodiment.

FIG. 4 is a front view schematically showing the empty pallet stage of the same embodiment.

FIG. 5 is a schematic diagram showing a supply stage of the same embodiment.

FIG. 6 is a plan view showing a layout of a building section of the same embodiment.

FIG. 7 is a plan view showing a second embodiment.

FIG. 8 is a plan view showing the same embodiment.

[Explanation of symbols]

 1 Building 2 Game Machine Manufacturing Line 3 Warehouse 4 Game Board Block 4a Game Board 4b Pallet 4e Empty Pallet 5,30 Supply Stage 5b, 30a Lift Base 20 Supply Line 21 Hold Out Line 21b Hold Out Line 22 Main Line 22b Main Line Chain 23 Transport switching stage 23b Lift base 23c Roller 25,31 Empty pallet stage 25b, 31b Chain of empty pallet stage 32 Transport switching stage

Claims (2)

[Claims] 1. A gaming board block in which a large number of gaming boards for gaming machines such as pachinko machines are stacked on a pallet from a warehouse inside a building of a factory that manufactures gaming machines such as pachinko machines. Inside the supply line that automatically conveys with a pair of chains to the most upstream supply stage of the gaming machine production line, a transfer switching stage that can move up and down and sideways is installed, and supply at this transfer switching stage An empty pallet recovery device for manufacturing a gaming machine, characterized in that an empty pallet stage for collecting empty pallets in which the game boards in the game board block are exhausted is installed on the side of the line. 2. A gaming board block in which a large number of gaming boards for gaming machines such as pachinko machines are stacked on a pallet from a warehouse inside a building of a factory that manufactures gaming machines such as pachinko machines. A supply line that is automatically conveyed by a pair of chains to the most upstream supply stage of the gaming machine manufacturing line is divided into a warehouse line and a main line, and the intersection of the warehouse line and the main line in the transport direction A first transfer switching stage capable of raising and lowering and side transfer operations is provided in the game board in the game board block on the side of the supply stage and on the side of the warehouse line in the plane formed by the warehouse line and the main line. An empty pallet stage is installed to collect the empty pallet that has been completely supplied, and the empty pallet stage is laterally moved in the conveying direction to move up and down inside the warehouse An empty pallet recovery device for manufacturing a gaming machine, in which an operable second transfer switching stage is installed.