JPH0324208Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a mahjong tile conveying device in a tile alignment device provided below the mahjong table of an automatic mahjong table.

More specifically, after a game has been completed on the top of the mahjong table, an automatic machine that accepts, washes, and arranges the mahjong tiles that are dropped below the mahjong table from a droplet installed in the center of the table. In the tile alignment device of a mahjong table, the mahjong tiles are dropped into the tile washing hopper of the tile alignment device, are washed from the tile hopper and sent out after being arranged in a certain posture, and the mahjong tiles are raised. This invention relates to an improvement in a conveying device for mahjong tiles for conveying them toward each adjacent position of four lifters.

[Prior Art] At the end of a game at an automatic mahjong table, the tiles are dropped into the tile washing hopper of the tile alignment device on the bottom of the mahjong table, and the tiles are washed by the tile hopper and arranged in a fixed posture before being sent out. The mahjong tile conveyance device in the above-mentioned tile alignment device, which is installed to convey the mahjong tiles to the positions adjacent to each of the four lifts for raising mahjong tiles, is arranged so as to correspond to each of the four lifts on the mahjong table. Because it is installed in a ring along the four lifts, conventionally, a special conveyor belt whose outer circumferential side expands and contracts is stretched in a ring, or four conveyor belts are connected to four lifts. The ends of these four conveyor belts are connected by a specially constructed conveyor that transports the conveyor belts by changing the conveying direction by 90 degrees, or two conveyor belts are arranged in adjacent positions, or two conveyor belts are arranged in two layers. By attaching buckets sized to accept a set of mahjong tiles in multiple rows on the outer circumference of a chain that rotates endlessly at adjacent positions of each of the four lifts, it is constructed like a bucket conveyor. It has a complex structure, such as:

[Problem that the invention aims to solve] Regardless of the form of the mahjong tile conveyance device used in conventional automatic mahjong tables, the structure is complex, making it troublesome to assemble and increasing manufacturing costs. There's a problem.

The present invention was devised to solve this problem that occurs with conventional means, and is designed to transport mahjong tiles, which have been washed and arranged in a predetermined position, to adjacent positions on each of the four lifts. However, it is an object of the present invention to provide a new means that can be constructed with a simple structure without requiring troublesome work.

[Means for solving the problem] In the present invention, as a means to achieve this purpose, the machine frame that supports the mahjong table is equipped with the following:
Four lifts are arranged to correspond to the window holes for the lifts to appear and appear on the four edges of the mahjong table, so that they can be raised and lowered freely, and mahjong tiles are placed adjacent to the four lifts in plan view. A taxiway that guides
It is formed into a rectangular frame shape along these four lifts and fixedly supported on the aircraft frame, and an open part is formed at one corner of the taxiway in plan view, and one end of the taxiway facing the open part The end of the tile delivery conveyor is facing the bottom of the guideway, and the bottom of the guideway is provided with a groove that runs along the length of the guideway. Below the guideway, an endlessly rotating chain is connected vertically and vertically to the guideway. The chain is arranged to wrap around the machine frame, and several push-out pins whose upper ends protrude toward the upper surface of the guideway through the groove are attached to the chain in the direction of rotation of the chain. To provide a conveyance device for mahjong tiles in a tile alignment device for an automatic mahjong table, which is installed at intervals longer than the length of a lift.

[Example] Next, an example of implementation will be described in detail with reference to the drawings.

FIG. 1 is a top view of an automatic mahjong table A in which the present invention can be implemented. The lid plate opens and closes, 10... indicates a window hole for the lift to appear, and 3... indicates each lift that is raised to the raised position.

The mahjong table 1 has a machine frame 2 shaped like a square box.
A cover plate is supported on the top surface of the machine frame 2 (Fig. 2) to close the opening on the top side of the machine frame 2. A window hole 10 is provided in the center portion of the mahjong table 1 for raising and lowering the mahjong tiles, which are arranged in a tile alignment device B installed in the mahjong table 1, onto the top surface of the mahjong table 1. The mahjong tiles that have been played after one game are placed in the tile alignment device B below the mahjong table 1.
A droplet 11 is provided for dropping toward the
The drop opening 11 is closed with a lid plate 12 that can be opened and closed.

The tile alignment device B includes a tile washing hopper a that receives the mahjong tiles dropped from the above-mentioned drop slot 11, and a tile washing hopper a that washes the mahjong tiles received in the tile washing hopper a and sends them while maintaining a constant posture. A sending device b that sends out, and the mahjong tiles sent out by the sending device b are transferred to each lift 3...
It consists of a conveyance device c that conveys the mahjong tiles to an adjacent position, and an extrusion device d that pushes out the mahjong tiles conveyed by the conveyance device c so as to be transferred to the upper surface of the lift 3.

A delivery device b that sends out the mahjong tiles received in the tile washing hopper a includes a rotary table 41 arranged to rotate with an inclined rotation axis Z by a tilted support shaft 40 at the bottom of the tile washing hopper a. , is formed into a ring shape to hold a magnet on the lower surface, and is pivoted above the upper opening of the tile washing hopper a so as to rotate along a horizontal plane, so that an iron piece or A suction ring 42 that acts on a magnet to attract the mahjong tiles P to the lower surface side, and a suction ring 42 that is provided on the lower surface side of the suction ring 42 on the side away from the upper surface of the rotary table 41, and the mahjong tiles that are carried out by the suction ring 42. A delivery conveyor 43 that inherits the data P and sends it out toward the above-mentioned transport device c, and a two-layer stack of mahjong tiles sent out from the terminal end 43a of the delivery conveyor 43 in two stacks on the outside of the terminal end 43a of the delivery conveyor 43. Although it is composed of a stage sorter 44 and a feeder 45 that feeds the mahjong tiles stacked in two stages by the two-stage arranger 44 toward the starting end of the conveying device c, it may be configured as appropriate. be.

As shown in FIG. 2, the transport device c is located adjacent to the four lifts 3 described above, which are arranged to form a quadrilateral enclosure frame in plan view. A taxiway 5 is formed on the outer peripheral side in the shape of a rectangular enclosing frame along the four lifts 3, and is fixedly supported on the machine frame 2, and has a groove 50 along the guidance direction on the bottom surface, and A chain 51 is arranged below to vertically overlap with the guideway 5 and stretched over the machine frame 2 so as to rotate endlessly, and the chain 51 is attached to the chain 51 so that the upper end thereof is connected to the groove 50.
It consists of a plurality of extrusion pins 52 that protrude from the upper surface of the guideway 5 through the guideway 5.

As shown in FIG. 5, the guideway 5 includes linear sections 5b parallel to each lift 3, and arcuate corners 5c connecting the linear sections 5b.
... are formed separately (Figure 5),
Those separate linear parts 5b... and arcuate corners 5c
A longitudinally continuous groove 50 is formed in the widthwise center of each of the brackets 55, and the straight portions 5b and arcuate corners 5c are integrally formed therein. 2, it is fixedly supported on the machine frame 2 as a continuous rectangular frame (Fig. 2). And at that time,
By removing one of the arcuate corners 5c..., as shown in FIG. It is formed and its open part w
One end 5a of the two free ends facing the
A terminal end 43a of the above-mentioned delivery conveyor 43 is provided at this one end 5a as a receiving inlet in the guiding direction (conveying direction).
When the mahjong tiles sent out from the terminal end 43a are piled up in two stages by the two-stage aligner 44, the above-mentioned feeder 45 moves the mahjong tiles from the one end 5a which serves as the receiving opening. It is designed to be sent into the guideway 5. In addition, the taxiway 5
In the illustrated example, the lift 3 is disposed on the outer circumferential side of the lift 3, but it may also be disposed on the inner circumferential side.

Furthermore, the endlessly rotating chain 51
In plan view, each corner 5 of the above-mentioned guideway 5
c... and a sprocket 56... arranged at a portion corresponding to the open portion w and pivotally supported on the machine frame 2, and these sprockets 56...
A conductive sprocket 57 is provided on the shaft of a suitable sprocket 56 (Fig. 4), and by driving the conductive sprocket 57 by a motor (not shown), the rotation direction in the clockwise direction as shown in Fig. 2 is achieved. When the number of mahjong tiles sent to the first straight section 5b of the guideway 5 reaches a predetermined number, the state is changed to the first straight section 5b. This is performed when the photo sensor S facing the front end in the rotating direction detects the rotation.

In addition, the extrusion pins 52 attached to the chain 51 are connected to the chain 5 as shown in FIG.
Three lifts 3 are attached at intervals longer than the length of the lift 3 in the rotating direction of the lift 3. And these three ejector pins 52... in the rotating direction of the chain 51, the first ejector pin 52-1, the fourth ejector pin
When the second lift pin 52-2 is positioned in front of the third lift 3-4, the second lift pin 52-2
The third ejector pin 52-3 is positioned in front of the second lift 3-2 and attached to the chain 51.

In the illustrated embodiment, the push-out pins 52 are formed in the shape of vertical rods, but the mahjong tiles fed into the guide path 5 are not piled up in two layers, but rather When the mahjong tiles are stacked side by side in two tiers horizontally, the portion from which the mahjong tiles are pushed out is formed into a plate shape that is wide in the width direction of the guide path 5.

Reference numeral 6 denotes a pushing plate of a pushing device d that pushes out mahjong tiles aligned on the straight line portion 5b of the guideway 5 toward the upper surface of the lift 3, and a mounting plate 6 integrated with the pushing plate 6.
The cylindrical slider 61 provided on the lower surface of the machine frame 2
The cam is supported on the machine frame 2 so that it can move forward and backward with respect to the lift 3 by being supported by a guide rod 62 supported on the support machine frame 20 integrally assembled with the cam. a cam wheel 64 that rotates once when the shaft 63 is rotated by the motor M;
As the cam wheel 64 rotates, the reciprocating rod 66 that reciprocates left and right around the support shaft 65 in FIG. 4 and the return spring 67 move the lift 3 forward and backward.

This extrusion device d corresponds to the fact that the mahjong tiles arranged on the straight line portion 5b of the guideway 5 are stacked in two layers, one above the other. When stacking tiles, the tiles are pushed out while rotating 90 degrees.

In addition, the lift 3, as shown in FIG.
Lifting rods 30, 30 are vertically installed on the lower surface side of the parts near both ends of the longitudinal direction, and are slidable on vertically cylindrical guide members 31, 31 fixed to the machine frame 2, respectively. In addition, a horizontally elongated actuating member 32 is separately installed on the lower surface side between the left and right lifting rods 30, 30, and a lower edge 32a of the actuating member 32 is attached to the supporting machine frame 20 with a shaft. A crank pin 35 provided on a crank wheel 34 attached to one end of the supported shaft 33 is brought into abutment from below, the lift 3 is supported by this crank pin 35, and the shaft 33 is pivoted to the support machine frame 20. The power is transmitted through the supporting camshaft 63 and the transmission gears 36 and 37, and when the camshaft 63 rotates once by the motor M, the crank pin 35 rotates once around the shaft 33 in synchrony with the lift 3. One cycle of a downward stroke and an upward stroke is performed. The operation of the crank pin 35 is set to one revolution, starting from the highest raised position shown by the solid line in FIG. 7 and ending when the crank pin 35 returns to the base position. 68 and 69 are a control disk and a photo sensor that control the rotation of the camshaft 63 to one rotation.

[Function] The mahjong tile conveying device in the automatic mahjong table tile arranging device according to the present invention configured as described above operates as follows.

The mahjong tiles P sent out from the tile washing hopper a by the sending device b are placed in one corner of the guideway 5, which is formed into a rectangular enclosure shape along the four lifts 3 and fixed to the machine frame 2. When they are fed to a position facing the open part w provided in the opening part w, they are stacked in two stages by the two-stage aligner 44 provided in a position facing the open part w, and when this state is reached, the feed One end portion 5a of the guideway 5 facing the open portion w is provided by the container 45.
, within the first straight portion 5b of the guideway 5,
They will be sent one after another.

As a result, when the number of mahjong tiles P reaches a predetermined number when aligned with the first straight line portion 5b of the taxiway 5, the bottom surface of the taxiway 5 is controlled by the photo sensor S that detects this. The motor that drives the chain 51 that is stretched endlessly on the side operates, and the chain 51 rotates clockwise in FIG. 52-2 and 52-3 move simultaneously in the above direction. And the first extrusion pin 52-1
is fitted into the groove 50 of the floor surface of the first straight portion 5b of the guideway 5, and henceforth,
The first push-out pin 52-1 pushes out the mahjong tiles P aligned in the first straight line portion 5b in the direction in the guideway 5, and the second straight line portion 5b Transfer to.

As a result, the aforementioned feeder 45 sequentially feeds the mahjong tiles P into the first straight section of the vacant taxiway 5, and when the number reaches a predetermined number, the chain 51 rotates again. Then, the mahjong tiles P aligned by the push-out pins are transferred. In this transfer operation, the first extrusion pin 52-1
The row of mahjong tiles P . The row of mahjong tiles P .

Next, the feeder 45 sequentially feeds the mahjong tiles P into the first straight portion 5b of the guideway 5, which has been emptied by this transfer operation, and lines them up. When the number of aligned mahjong tiles P... reaches a predetermined number, the chain 51 rotates again and the push-out pins move all at once, and the aligned mahjong tiles P...
Replace columns. At this time, the first extrusion pin 52-1 transfers the mahjong tiles P aligned with the third straight line part 5b of the guideway 5 to the fourth straight line part 5b, and The mahjong tiles P whose pins 52-2 are aligned with the second straight line portion 5b of the taxiway 5 are transferred to the third straight line portion 5b,
The third ejector pin 52-3 operates to transfer the mahjong tiles P aligned in the first straight section 5b of the guideway 5 to the second straight section 5b.

As a result, 1 of taxiway 5 became empty.
The mahjong tile P is placed in the straight line part 5b by the feeder 45.
... are sent and lined up, and when the number reaches a predetermined number, the mahjong tiles P arranged in a predetermined number...
have been transported to adjacent positions of each of the four lifts 3, and the transport operation ends.

[Effects of the Invention] As explained above, the mahjong tile conveying device in the tile alignment device of the automatic mahjong table according to the present invention moves the mahjong tiles P, which have been washed and arranged in a predetermined posture, into four lifts 3... The taxiway 5 guiding to each adjacent position of...
The mahjong tiles P, which are formed into a rectangular enclosure shape with one corner as an open part w, and are fed from one end 5a of the taxiway 5 facing the open part w, are arranged in a predetermined number. By the way, due to the rotation of the endless chain 51 provided below the taxiway 5, the lift 3
Several push-out pins 52... provided on the chain 51 at intervals longer than the length of... move in unison to move the aligned rows of mahjong tiles P... to each linear portion 5b of the guideway 5... Then, the mahjong tiles P are arranged in a predetermined number and are transferred to adjacent positions of each lift 3. A guideway 5 having an enclosing frame shape and having a groove 50 on the floor, and the guideway 5
It is only necessary to have an endless chain 51 provided at the bottom and several ejector pins 52 provided thereon, which simplifies the structure. Since it is only necessary to attach ..., its manufacture becomes extremely simple, the manufacturing cost can be significantly reduced, and maintenance is also greatly facilitated.

[Brief explanation of the drawing]

Fig. 1 is a plan view of an automatic mahjong table that can implement the present invention, Fig. 2 is a schematic plan view of the tile alignment device of the above, Fig. 3 is a schematic vertical side view of the same, and Fig. 4 is a schematic diagram of the main parts of the same. A vertical side view, Figure 5 is a plan view of the main parts of the same as above,
FIG. 6 is a plan view of the main portion of the same, and FIG. 7 is a longitudinal sectional front view of the same. Explanation of drawing symbols, A... Automatic mahjong table, B... Tile alignment device, M... Motor, P... Mahjong tiles, Z...
... Rotation axis, S... Photo sensor, a... Tile washing hopper, b... Delivery device, c... Conveyance device, d...
...Extrusion device, w...Opening part, 1...Mahjong table, 10
... Window hole, 11 ... Drop opening, 12 ... Lid plate, 2 ...
...Machine frame, 20...Support machine frame, 3...Lift, 30
... Lifting rod, 31 ... Guide member, 32 ... Operating member, 32a ... Lower edge, 33 ... Shaft, 34
...Crank wheel, 35 ...Crank pin, 3
6, 37...Transmission gear, 40...Spindle, 41...
Rotary table, 42... Suction ring, 43... Delivery conveyor, 43a... Terminal section, 44... Two-stage aligner, 45... Infeed device, 5... Guideway, 5a...
One end, 5b...straight line part, 5c...corner, 50
... Groove, 51 ... Chain, 52 ... Extrusion pin, 5
5...Bracket, 56...Sprocket, 57
...Conduction sprocket, 6...Extrusion plate, 60...
Mounting plate, 61...Slider, 62...Guide rod, 6
3...Cam shaft, 64...Cam wheel, 65...Spin shaft, 66...Reciprocating rod, 67...Return spring, 6
8,69...Photo sensor.

Claims (1)

[Scope of utility model registration request] In the machine frame 2 that supports the mahjong table 1, there are window holes 10 provided at each of the four edges of the mahjong table 1 for the lift to appear.
The four lifts 3 are arranged to correspond to...
are provided so that they can be raised and lowered freely, and a guide path 5 for guiding mahjong tiles P is formed in a rectangular frame shape along these four lifts 3 at a position adjacent to these four lifts 3 in plan view. The guideway 5 is fixedly supported on the frame 2, and an open part w is formed at one corner in a plan view of the guideway 5, and the terminal end of the tile delivery conveyor 43 is provided at one end 5a of the guideway 5 facing the open part w. A groove 50 is provided on the bottom surface of the guideway 5 along the longitudinal direction of the guideway 5, and a chain 51 that rotates endlessly is installed below the guideway 5 vertically with respect to the guideway 5. The chain 51 is arranged so as to wrap around the machine frame 2, and the upper end thereof is connected to the groove 51.
An automatic mahjong table in which several push-out pins 52 projecting from the upper surface of the guideway 5 through the chain 51 are attached at intervals longer than the length of the lift 3 in the rotating direction of the chain 51. A conveyance device for mahjong tiles in a tile alignment device.