JP2736512B2 - Automatic mahjong table - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat box-shaped machine frame containing a tile arrangement device for automatically aligning mahjong tiles.
A mahjong table for playing mahjong games is mounted on the mahjong table, and the mahjong table that has finished the game of one game is opened in a tile dropper that drops into the tile arrangement device in the machine frame, and it can be opened and closed freely A window hole for fitting a lift that lifts another pair of mahjong tiles, which are closed by the lid plate of the mahjong table, and aligned on the tile arrangement device in the machine frame, and lifted to the top of the mahjong table, is opened. The present invention relates to an improvement of an automatic mahjong table having a configuration in which the game is configured.

[0002]

2. Description of the Related Art An automatic mahjong table A of the above-described type has a flat box as shown in FIG. A rectangular box 2 for storing a drive motor, a transmission mechanism, and the like is vertically provided at a central portion of a bottom surface of the machine frame 1 in which the tile arrangement device is formed and stored therein, and mounted on an upper surface side of the machine frame 1. A lid plate 31 that opens and closes a tile drop opening 30 to be opened at the center of the mahjong table 3 is supported by a column 32 that connects the upper end to the lower surface of the lid plate 31. The lower end of the column 32 is shown in FIG. As shown in the figure, the motor M, which is inserted into the box 2 mounted on the lower surface of the machine frame 1 so as to be able to move up and down freely, and the projected end thereof is stored in the box 2, the output shaft and the transmission mechanism thereof. The cam mechanism a which operates by conducting through a rack or a rack as shown in FIG. Tandem a gear mechanism b consisting of the pinion, by operation of the cam mechanism a or gear mechanism b, Fig 3
As shown by the chain line, the lid plate 31 is raised to open the tile dropout opening 30.

Further, the tile arrangement device 4 stored in the machine frame 1
However, the mahjong tiles P dropped from the above-mentioned tile dropper 30 ...
Are received in the hopper 40 and aligned in a predetermined posture, and while being stacked in a two-stage manner by the two-stage stacking device 41, the transport path u moves to the standby position located on the adjacent side of each of the four lifts 42. As means for preventing the mahjong tiles P from collapsing during transportation, as shown in FIG. 5, a tile collapse prevention that slides on the upper surface of the mahjong tiles P conveyed as shown in FIG. A cushion 5 is provided and the stay 5 is pivoted about a support shaft 50 for maintenance.
1 and is pivotally supported by the machine frame 1 so as to be able to pivot upward and downward.

[0004]

When the tile arrangement device 4 stored in the machine frame 1 transports the mahjong tiles P... Aligned in a predetermined posture to a predetermined standby position along the transport path u, When the mahjong tiles P collapse, the clogging of the transport path u and the malfunction of the transport operation may occur.

In such a case, the game is stopped, and the top plate 3a of the machine frame 1 whose upper surface is formed on the mahjong table 3 is opened upward and turned to open the upper surface of the machine frame 1. Then
Although the tile collapse prevention cushion 5 on the upper surface of the transport path u is opened and rotated to open the transport path u and maintenance is performed in that state, there is a problem that this operation is troublesome.

[0006]

The present invention has been made in order to solve this problem which has occurred in the conventional means. The tile arrangement device 4 to be stored in the machine frame 1 is a mahjong tile P arranged in a predetermined posture.
Of the tiles P is prevented from collapsing when the tiles P are transported to the predetermined standby position along the transport path u. It is another object of the present invention to provide a new means for displacing the upper surface of the transport path u for maintenance so that the upper surface of the transport path u can be easily opened.

[0007]

According to the present invention, as a means for achieving the above-mentioned object, a machine frame 1 formed in a flat box shape having an open upper surface side and having a tile arrangement device 4 housed therein. A mahjong table 3 is mounted on the upper surface of the mahjong table 3 so as to be openable and closable, and on the lower surface of the top plate 3a of the mahjong table 3, the mahjong tiles P arranged by the tile arrangement device 4 are transported to a standby position. The tile collapse prevention cushion 5 slidingly contacting the upper surface of the mahjong tiles P conveyed on the conveyance path u is arranged at a position located above the u, and the tile collapse prevention cushion 5 is attached to the lower surface of the top plate 3a. It proposes an automatic mahjong table that is characterized by being supported.

[0008]

Next, an embodiment will be described in detail with reference to the drawings. In the drawings, the same reference numerals are used for components having the same effects as those of the conventional means.

FIG. 6 is a vertical sectional front view of an automatic mahjong table A for embodying the present invention. In the figure, reference numeral 1 denotes a machine frame, and 3 denotes an upper surface of the machine frame 1 so as to cover an opening on the upper surface side of the machine frame 1. The mahjong table 30 is mounted on the mahjong table 3 so that it can be opened and closed freely. Reference numeral 30 denotes a tile drop opening provided at the center of the top plate 3a of the mahjong table 3, reference numeral 31 denotes a lid plate for opening and closing the tile drop opening 30, and reference numeral 33 denotes a mahjong table 3. 3 shows window holes for emergence of the lift 42, which are opened at the periphery of.

The machine frame 1 is formed in the shape of a rectangular flat box, in which a tile arrangement device 4 is stored, and a mahjong table 3 is provided in an opening on the upper surface side.
Is open and closed freely, as in the case of the machine frame 1 of the conventional means, but there is no box 2 hanging vertically at the center of the bottom surface, and the bottom wall 1a is formed in a plane.

The tile arrangement device 4 to be stored in the machine frame 1 has the same structure as the conventional one shown in FIG. Referring to FIG. 4, a drum-shaped hopper 40 for receiving mahjong tiles P to be dropped from the tile dropout 30 of the mahjong table 3 is provided at the central portion, and the bottom portion thereof is shown in FIG. As shown in FIG. 6, a mahjong is provided at a peripheral portion of an upper opening of the hopper 40 by a built-in magnet. A suction ring 44 for sucking the tile P is mounted on the shaft. Then, a part of the peripheral part is provided with a conveyor 45 for taking over the mahjong tiles P sucked and carried out by the suction ring 44 and carrying it out of the hopper 40 in FIG.
, The starting end of the conveying path u is made to face the end of the conveyor 45, and the mahjong tiles P
Are stacked in two layers and fed to the transport path u. In the transport path u, when a predetermined number of mahjong tiles P are pushed into the transport path u, a rectangular enclosure Are provided with a feed pin on an endless chain that operates so as to sequentially feed each of the four lifts 42 arranged adjacent to each other.
Extrusion devices 47 for extruding the aligned mahjong tiles P on the upper surfaces of the lifts 42 are arranged at positions on the opposite side of the portions adjacent to the lifts 42 on the transport path u. It is conventionally known.

However, a lid plate 31 provided at the center of the top plate 3a of the mahjong table 3 so as to open and close the opening 30 for opening tiles.
The opening and closing operation is performed by dividing the columns 32 of the lid plate 31 into a plurality of columns, and arranging the columns 32... In an annular shape surrounding the central portion of the lid plate 31 as shown in FIGS. A pipe-shaped guide column 71 is provided in which a lower end of each column 32...
.. Are slidably fitted to each other, so that the lid plate 31 is moved up and down by the sliding movement, and the spring 72 is stretched between the lid plate 31 and the lower block 70 to occupy the lower position in a normal state. I will push it. And this lid plate 3
A flexible outer pipe-shaped guide member 73 is arranged at the center of the lower surface of the lower surface 1 and the upper end thereof is fixedly supported on a guide column 71 via a support metal 74 so as to be in a vertical position. And the lower end side thereof is bent along the upper surface of the bottom wall 1a of the machine frame 1 so that the free end portion is disposed inside the machine frame 1 so as to be driven and rotated by the drive motor M1. And the access mechanism W
Is connected to one end side of a power transmission member 75 formed in a shape of an inner wire or a flexible pipe having a diameter that can be freely inserted and removed into and out of the inner lumen of the outer pipe 73 so that the inner wire or the flexible The other end of the pipe-shaped power transmission member 75 is inserted into the outer pipe 73, and the other end thereof is projected upward from the upper end of the outer pipe 73 which is held in a vertical posture, The other end is connected to the lower end of an adjusting screw 76 which is screwed into the center of the cover plate 31, and the drive motor M1 is driven to operate the access operation mechanism W to form an inner wire or a flexible pipe. By pushing or pulling in the power transmission member 75, the lid plate 31 rises as shown in FIG. Pai drop port 3 lid plate 31 is lowered to as
0 is switched to a closed state.

In this example, the access mechanism W
Is a crank wheel 8 rotated by a drive motor M1.
0 is provided with a crank pin 81 serving as an operating portion, and connected to one end of a power transmission member 75 in the form of a flexible wire or a flexible pipe. Then, the crank wheel 8 is driven by the drive motor M1.
The rotation of 0 is set so as to be in a counterclockwise direction as shown by an arrow A in FIG. In addition, notches 82 are formed on the peripheral surface of the crank wheel 80 with a phase difference of 180 degrees, and a limit switch S
By turning off the circuit of the drive motor M1 by inserting the operation piece of W, the crank wheel 80 stops at the position where the power transmission member 75 of the inner wire or the flexible pipe is pushed out and retracted, respectively. And from that state the drive motor M1
Is controlled so that it stops again when the crank wheel 80 rotates 180 degrees.

The mahjong tiles P, which are pushed into the transport path u of the tile arrangement device 4, are prevented from collapsing during transport by the transport means 46 to a position adjacent to each of the lifts 42. The tile collapse prevention cushion 5 to be installed on the
As shown in FIG. 6, on the lower surface of the top plate 3a of the mahjong table 3, a mahjong moving on the transport path u is provided on the top plate 3a as a support base at a position located above the transport path u. The mahjong table 3 is opened and rotated so as to be in sliding contact with the upper surface of the tile P.
Is rotated upward together with the mahjong table 3 and completely opened above the transport path u so that maintenance around the transport path u can be performed without any trouble.

In the illustrated embodiment, 9 ...
The supporting legs are detachably or foldably mounted on the lower surface of each corner of the machine frame 1 formed in a rectangular flat box shape.

[0016]

As described above, in the automatic mahjong table according to the present invention, the tile collapse when the tile arrangement device 4 in the machine frame 1 transports the arranged mahjong tiles P to the standby position by the transport path u. Is attached to the lower surface of the top board 3a integrated with the mahjong table 3 and is slid on the upper surface of the mahjong tiles P arranged in the transport path u to prevent the mahjong. Tile P
When the top plate 3a integrated with the mahjong table 3 is opened and rotated to open the upper surface side of the machine frame 1, the tile collapse prevention provided on the upper surface of the transport path u is simultaneously performed. Since the cushion 5 moves together with the top plate 3a to open the upper surface of the transport path u, the inspection of the transport path u can be easily performed.

Moreover, since a mechanism for opening and rotating the tile collapse prevention cushion 5 is not required, the mechanism can be simplified.

[Brief description of the drawings]

FIG. 1 is a perspective view of a conventional automatic mahjong table.

FIG. 2 is a vertical sectional front view of the same.

FIG. 3 is a vertical cross-sectional view of an opening / closing means of a tile dropper of the above.

FIG. 4 is a schematic plan view of the tile arrangement device according to the first embodiment;

FIG. 5 is a longitudinal sectional view of the tile collapse prevention upper cushion portion of the above.

FIG. 6 is a vertical sectional front view of the automatic mahjong table according to the present invention.

FIG. 7 is a partially cutaway front view of the lid opening / closing means of the tile dropout door.

FIG. 8 is a partially broken side view of the same means.

FIG. 9 is a partially cutaway front view showing a state in which a cover plate of the same means is opened.

[Explanation of symbols]

A: automatic mahjong table, a: cam mechanism, b: gear mechanism, P: mahjong tile, M: motor, M1: drive motor, W: in / out operation mechanism, SW: limit switch, u: transport path, 1: machine frame 1a: bottom wall, 2 ... box, 3 ... mahjong table, 3a ... top plate, 30 ... tile dropout, 31 ... lid plate, 32 ... post, 33 ...
Window hole, 4 tile arrangement device, 40 hopper, 41 two-tier stacking device, 42 lift, 43 turntable, 4
3a: support shaft, 44: suction ring, 45: transport conveyor,
46: conveying means, 47: extrusion device, 5: cushion for preventing tile collapse, 50: support shaft, 51: stay, 6: pedestal, 7
0: lower block, 71: guide support, 72: spring, 7
3 Guide member, 74 Support bracket, 75 Power transmission member, 76 Adjustment screw, 80 Crank wheel, 81 Crank pin, 82 Notch, 9 Leg.

Claims (1)

(57) [Claims] 1. A mahjong table 3 is openably and closably mounted on an upper surface side of a machine frame 1 formed in a flat box shape having an open upper surface side and having a tile arrangement device 4 stored therein. On the lower surface side of the top plate 3a, the mahjong tiles P ... conveyed along the conveyance path u are located above the conveyance path u for conveying the mahjong tiles P ... arranged by the tile arrangement device 4 to the standby position. Arrange the tile collapse prevention cushion 5 which slides on the upper surface, and the tile collapse prevention cushion 5
An automatic mahjong table , wherein the step 5 is attached to and supported by the lower surface of the top plate 3a.