JPH0623343Y2 - Mahjong tiles carrier tile waiting device - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to a tile waiting device of a carrier device that conveys mahjong tiles mixed with a turntable in an automatic mahjong table to a tile attitude control unit. It is a thing.

(Prior Art) Generally, an automatic mahjong table is provided with a transfer device along a turntable that mixes and mixes the tiles, and has a structure that is moved to the periphery of the turntable and conveys the tiles to a tile attitude control unit.

(Problems to be Solved by the Invention) As described above, the transport device is for transporting tiles on the turntable to the tile posture control unit, and for sequentially sending the tiles to the tile posture control unit one by one. Although a standby device is provided, this standby device was of a solenoid type that actuates a stopper to move in and out. For this reason, the device becomes complicated, such as requiring a sensor unit for timing the turning on and off of the solenoid when the work of the tile attitude control unit is completed. Further, there is a problem that the wiring construction and maintenance management become complicated.

Therefore, the present invention was devised in order to solve the problems of the prior art, and an object thereof is to provide a tile waiting device of a mahjong tiles conveying device having a compact structure and easy maintenance. is there.

(Means for Solving the Problem) In order to achieve the above-mentioned object, in this invention, the tiles in the respective postures that are brought close to the periphery of the rotatable turntable are laid in a prone posture and a supine posture by the gate portion. A mahjong tiles conveying device configured to convey a tile in a prone posture and to move forward and backward, and a reversing unit for reversing the lying posture to the lying posture. In the mahjong tiles transfer device, a standby device for sending tiles to the tiles posture control unit one by one is provided, and the standby device is
A first lever having a stopper capable of projecting and retracting constantly protruding from the conveying surface of the mahjong tile conveying device, and a second lever for lowering the stopper of the first lever at the most advanced position of the tile conveying member, The lever is interlocked with the first lever so as to escape upward without affecting the movement of the first lever when the tile conveying member is retracted.

(Operation) According to such a tile waiting device, the tile conveyed by the conveying device hits the stopper of the first lever and stands by. At this time, the stopper of the first lever is lowered when the tile conveying member is most advanced. At the same time, the tile in the foremost position is released from regulation and passes through. Subsequently, when the advance of the tile conveying member is completed, the topper moves up to regulate the next tile and the tile conveying member retracts. In this case, since the second lever is independently raised, the backward movement of the tile conveying member is not hindered.

(Embodiment) An embodiment of the present invention will be described below in detail with reference to the drawings of FIGS. 1 to 25.

In FIG. 11, reference numeral 1 denotes an automatic mahjong table from which a game table 3 serving as a top plate is removed, and a base plate 5 of the automatic mahjong table 1 is provided with a turntable 7 and four front, rear, left and right peripheral portions of the turntable 7. The assembled assembly mechanism 9, 9, 9, 9
And the tile attitude control units 11, 11, 11, 11 are assembled respectively.

The turntable 7 has a cross-sectional mountain shape that is inclined downward with respect to the peripheral wall 13 formed in a mortar shape.

As shown in FIG. 12, a ring-shaped gear 15 is provided on the back side of the turntable 7 and is rotatably supported by a bearing 17.

A dice case 19 that moves up and down in the bearing 17 by an elevating means (not shown) is provided in the center of the turntable 7, and the slot 21 is secured by raising the dice case 19 upward by the game table 3. It is like this. As a result, the tiles P input from the input port 21 drop onto the turntable 7 and are then shaken out while being stirred. A magnetic material F such as an iron piece is embedded in the tile P toward the back side.

On the other hand, the ring-shaped gear 1 provided on the turntable 7
The transmission gear 23 a of the transmission shaft 23 is meshed with the gear 5.

The transmission shafts 23 are rotatably supported by bearings 25 and are arranged at four positions respectively corresponding to the assembling mechanisms 9, 9, 9, 9, and each transmission shaft 23 has a drive pulley 27 and a drive gear 29. Each one is provided. Then, of the transmission shafts 23, 23, 23, 23, one transmission shaft 23 is conductively connected to a forward / reverse drive motor 33 via a reduction mechanism 31, and the drive motor 33 rotates via the transmission shaft 23. Power is transmitted to the turntable 7. As a result, the remaining three transmission shafts 23, 23, 23 can be rotated by the turntable 7 that meshes with the ring-shaped gear 15.

A conveyor belt 37 is wound around a drive pulley 27 of the transmission shaft 23 via a driven pulley 35.
Are arranged along the tangential direction so that the transport start end faces the peripheral edge of the turntable 7. Therefore, the agitated tile P is placed on the conveyor belt 37 without difficulty and is sent to the tile attitude control unit 11.

As shown in FIG. 14, the tiled posture control unit 11 conveys the conveyor belt 37.
First and second restriction members 39, 40 provided above the
The gate unit 41 that allows only the tiles in the prone posture and the tiles in the supine posture to pass therethrough and to drop the tiles in the horizontal, vertical, and diagonal postures.
As shown in FIG. 15, it comprises a reversing section 43 for reversing only the supine posture P which has passed through the gate portion 41 to the prone posture, and a tile conveying member 57 described later.

The prone posture tile P and the supine posture tile P that have passed through the gate portion 41 are made to stand by by the standby device 44 on the side of the conveying end portion 37b of the conveying belt 37 as shown in FIG. It is like this.

Referring to FIGS. 1 to 10, the standby device 44
Will be specifically described.

That is, as shown in FIG. 1, the standby device 44 interlocks with the second lever 48 tilted in a seesaw shape by the forward and backward reciprocating movement of the operating arm 59 of the tile conveying member 57, and the second lever 48 and the sub-lever 42. It is configured with the first lever 38 which is connected to each other.

As shown in FIGS. 2 and 3, the first lever 38 and the sub-lever 42 are integrally connected by a connecting member 36 with a space therebetween, and the sub-lever 42 and the second lever 48 are engaged in a vertical relationship. is doing. The first lever is located inside the transport guide wall 34 that also serves as the peripheral wall 11 at the transport end portion 37b of the transport belt 37, and the sub-lever 42 is located outside the transport guide wall 34, and penetrates the transport guide wall 34. A spring 46, which is fixed to each of the shaft members 32 and biases them clockwise, is stretched between the front end side of the sub-lever 42 and the lower part of the conveyance guide wall 34.

The mounting hole 38f of the first lever 38, the bearing portion 48c of the second second lever 48, and the mounting hole 42a of the sub-lever 42 are pivotally supported by the shaft rod 32 penetrating the conveyance guide wall 34, and the second lever 4
A spring 50 is provided between the front end side of 8 and the upper side of the guide wall 34.
Is stretched. As a result, the second lever 48 is urged counterclockwise, and is engaged with the upper edge of the sub-lever 42 via the abutment piece 48a that projects from the connecting rod 32 of the second lever 48 to the rear side surface. is doing.

The biasing force of the spring 46 stretched on the sub-lever 42 is set to be stronger than the biasing force of the spring 50 stretched on the second lever 48. Therefore, in the normal state, the stopper 38d of the first lever 38 projects upward from the transport surface a of the transport belt 37 (FIG. 5).

The stopper 38d of the first lever 38 has a vertical surface 38b that rises above the rear end of the first lever body 38a, and has an inclined surface 38c that descends rearward from the top end of the first lever body 38a. 38e for engaging with the pulley shaft 35a of the driven pulley 35 to prevent the rotation of the
Are formed (FIG. 2).

On the other hand, at the rear end of the second lever 48, an inclined surface 48b descending rearward is formed so as to have an inner width d, and the inclined surface 48b hangs down from the tile conveying member 57 which advances as shown in FIG. The lower end of the actuating arm 59 is adapted to abut.

The lower end of the actuating arm 59 has an abutting projection 59 bent outward.
a is formed, and in the forward stroke, the abutment piece 59a comes into contact with the inclined surface 48b against the bias of the spring 50, so that a downward pressing force is secured and the second lever 4
8, the counterclockwise rotation state can be obtained.

Further, when the forward movement is completed, the abutment piece 59a turns to the back side of the inclined surface 48b and moves to the backward stroke, so that only the second lever 48 can independently rise.

When the stopper 38d descends from the conveying surface a, the regulation of the tile P is released in the forward movement of the abutting piece 59a, and the stopper 38d is released when the forward movement of the abutting piece 59a over the inclined surface 48b is completed. The timing is set to project from the transport surface a.

In the reversing unit 43, as shown in FIGS. 15 to 18, a tile receiving unit 45 is provided at the transport end portion 37b of the transport belt 37.

The tile receiving section 45 is connected to the receiving table 47 through the guide surface 49, and the tile receiving section 45 is provided with a feeding device 51 for feeding the tile P to the receiving table 47.

The feeding device 51 includes a first arm 53 and a second arm 55 which are rotatable in the arrow direction by an arm shaft 52,
The arm pin 53a of the first arm 53 faces the cutout portion 45a formed in the bottom portion of the tile receiving portion 45. The arm pin 55 a of the second arm 55 is in contact with the operating arm 59 of the tile transfer member 57.

The tile conveying member 57 is formed in the shape of a strip plate extending from a base end portion 57a slidably fitted and supported by the left and right guide rails 61, 61 to a position above the conveying end portion 37b of the conveying belt 37, and has a tip end portion. On the back surface side, a protrusion 63 for temporarily stopping the tiles P sent by the conveyor belt 37 at the conveyor end portion 37b and a magnet 65 for attracting the tiles P in a prone posture with the back side facing upward are provided. The above-mentioned operating arm 59 is provided on the side of the tile conveying member 57, and the operating arm 59 is in contact with the arm pin 55a of the second arm 55 when moving forward (solid line in FIG. 15). As a result, the second arm 55 of the feeding device 51 is moved to the operating arm 5
At the time of backward movement of 9 (chain line in FIG. 16), the arm shaft 52 rotates counterclockwise about the fulcrum.

A guide groove 67 is provided along the width direction on the bottom surface of the base end portion 57a of the tile conveying member 57, and the rotating body 6 is provided in the guide groove 67.
A projection pin 71 provided at a position deviated from the center of 9 is engaged.

The rotating body 69 is connected to and supported by the motor shaft 73a of the drive motor 73, and can be rotated counterclockwise by the drive motor 73. As a result, the protrusion pin 71 slides in the guide groove 67 by the rotation of the rotating body 69.

The protrusion pin 71 is set at a position where the tile conveying member 57 is reciprocally moved along the guide rails 61, 61 by sliding in the guide groove 67. The reciprocating movement at this time is the tile P attracted by the magnet 65. Is the stroke amount that abuts on the rising wall 47b formed on the pedestal 47.

Further, a drive plate 83 for driving the sending member 77 of the tile sending device 75 is provided on the back surface side of the rotating body 69.

The sending-out member 77 of the tile sending-out device 75 is fixed to a base portion slidably inserted along the guide rail 79, and is normally urged by a biasing spring 78 on the pedestal 47 side and in a notched rising position. It is positioned outside the wall 47a. The delivery member 77 moves against the biasing spring 78 when the drive plate 83 comes into contact with the pin 81 provided at the base on the rotation locus line of the drive plate 83, and moves the tile P to the assembling mechanism 9 described later. Pin 81 that functions to send to the alignment table 85 of
Is released at a position outside the rotation locus region of the drive plate 83. The pressing stroke of the sending-out member 77 is set to a length corresponding to one tile in which the standby state for receiving the tile P in the receiving table 47 is secured.

The assembling mechanism 9 is a frame 8 fixed to the base plate 5.
7, an ascending table 89 which is vertically movable and an elevating table 89
The aligning table 85, which is installed in parallel with the receiving table 47 and is capable of descending and ascending and returning by the thickness of the tile, and the push-out mechanism 91 for simultaneously pushing out the aligning tiles on the aligning table 83 to the elevator table 89. Is moved up and down by the actuating member 93.

That is, the lifting platform 89 is supported on both ends by the first guide members 97, 97 that move up and down along the left and right guide rails 95, 95, and is placed on the upper surface of the operating member 93. Further, it is supported by an assisting means 98 having an upward biasing function.

The actuating member 93 is supported at both ends by filter guide members 99, 99 that move up and down along the left and right guide rails 95, 95, and a guide member 97 on the elevating table 89 side, a second guide member 99 on the actuating member 93 side, and a spring. It is interlockingly connected by 101. Long holes 103, 103 are provided on the left and right sides of the operating member 93, and the final gears 107, 107 of the first and second power transmission systems 105, 105 composed of respective gear groups are provided on the left and right long holes 13, 103. Eccentric engagement pin 109,
109 is engaged. Therefore, since the final gears 107, 107 are rotated by the eccentric engagement pins 109, 109, the operating member 93 can be moved up and down. Can be raised. It should be noted that when the operating member 93 descends, the elevating table 89 descends by its own weight.

Input gear 10 of the first and second power transmission systems 105, 105
Reference numeral 9 meshes with a drive gear 29 provided on the transmission shaft 23.

The drive gear 29 is loosely fitted to the transmission shaft 23 as shown in FIG. 13, and when the transmission shaft 23 rotates in the reverse direction (arrow), the projection pin 1
When the engaging claw 113 swings idle with respect to 11, it becomes a free state, and the assembling mechanism 9 is in the standby state and the transport belt 37.
The operating states of are secured respectively. Further, when the transmission shaft 23 rotates forward, that is, when the alignment of the tiles on the assembling mechanism 9 is completed, the engagement claw 113 that meshes with the projection pin 111 rotates integrally with the transmission shaft 23 to rotate the first and second powers. Power transmission to the transmission systems 105, 105 is ensured.

The alignment table 85 includes an outer member 115 on which the tiles P are placed and an inner member 117 slidably fitted and supported in the outer member 115. The outer member 115 is vertically movable with one hinge pin 119 as a fulcrum. There is. A protruding lower piece 121 is provided at the other end of the outer member 115, which is the free end side, and can come into contact with the lower edge 125 of the cutout window 123 provided in the frame 87 when descending.

On the other hand, the inner member 117 is constantly urged toward the notch window 123 by the urging spring 127, and the extension protrusion 129 provided at the end is in contact with the lower edge 125 of the notch window 123. At this time, the outer member 115 is positioned so as to face the pedestal 47.

The extension protrusion 129 is used for the setting hole 1 of the inner member 117.
The regulating body 133 inserted into the opening 31 of the outer member 115 is pushed by the tile P at the time of completion of the alignment, which has reached the prescribed number, and moves backward against the biasing spring 127, so that the cutout window 12
3 falls off from the lower edge 125. At this time,
The projecting tongue 121 comes into contact with the lower edge 125 of the cutout window 123 so that the protruding tongue 121 is positioned at a height at which the tiles can be stacked in two stages. The restricting body 133 is formed in a character shape as shown in FIG. 25, and contacts the lower half of the restricting body 133 when the one-step alignment is completed, and contacts the upper half of the restricting body 133 when the two-step alignment is completed. This ensures the correct stacking condition. The alignment table 85 is a push-out mechanism 91.
When the tiles aligned by are pushed out to the lifting platform 89, they can be returned to their original positions by a biasing spring (not shown).

The pushing mechanism 91 includes a pushing plate 135 and a pair of first and second link arms 137 and 139, and the pushing plate 135 is arranged along the alignment table 85. The extrusion plate 135 is formed to have an angled cross section, and the extrusion surface on the front surface is set to a length at which the two-tiered tiles P are simultaneously extruded. A pair of first link arms 137, 137 is provided on the left and right, one end of which is rotatably supported by the pushing plate 135 and the other end of which is rotatably supported by the frame 87. Second link arm 13
A pair of 9, 139 are provided on the left and right, and one end of the pushing plate 135
The other end of the bracket 141 is rotatably supported by a side plate of the frame 87 and a rod 143 bridged between the side plates. As a result, a parallel link mechanism is formed, and the push-out plate 135 can be moved between the standby position (solid line in FIG. 23) and the push-out position (chain line in FIG. 23). In addition, the second ring arm 13
9 is further extended from the rod 143, and the extension 14
Reference numeral 5 is in contact with the back surface of the actuating member 93, and when the actuating member 93 is at the lowest position, it functions to move the pushing plate 135 forward to the actuating position via the second link arms 139 and 139. The part corresponding to the restricting body 133 is open so that the operation of the pushing plate 135 is not hindered.

Note that FIG. 19 shows a stopper mechanism 147 which prevents the transfer of the tiles when the two-stage stacking alignment of the tiles of each assembling mechanism 9 is completed.

The stopper mechanism 147 includes the first and second stop bodies 149, 15
1 and a drive mechanism 153 for operating the first and second stop bodies 149 and 151. The first stop body 149 is located above the transport end portion side of the transport belt 37, and the second stop body 151 is secured to the transport belt 37. Spindles 1 are arranged above the starting side of the conveyance.
With 55 as a fulcrum, it is rotatably supported in a state of protruding above the conveyor belt 37 (chain line) and in a retracted standby state (solid line). The support shafts 155, 155 are the support shafts 155, 1
The operating rod 16 connected to the first movable arm 157 by interlocking connection by the connecting rod 161 connecting the first movable arm 157 and the second movable arm 159 fixed to 55.
Pressing 3 (arrow) enables rotation. Furthermore, the first
The movable arm 157 is provided with a long hole 165.
5, a pin 171 of a rotating arm 169 pivotally supported by a mounting bracket 167 is engaged. The pin 171 is eccentrically provided and can be engaged with and disengaged from the first recess 173 and the second recess 174 formed in the mounting bracket 167. The bias spring 175 allows the first recess 173 and the second recess 173 to be engaged and disengaged. The first concave portion 173 is normally biased toward the 174 side.
Facing inside. At this time, the tip of the rotating arm 169 retracts into the peripheral wall 13, and when it is positioned in the second recess 174, it projects from the peripheral wall 13 as shown by the chain line.

When the tip of the rotating arm 169 protrudes from the peripheral wall 13, the plurality of protrusions 7 provided on the peripheral edge of the turntable 7 on the back surface side.
Knocked out by a. Accordingly, the second recess 174
By moving the pin 171 in the first movable arm 157
Move and the first and second stop bodies 149 and 151 move to the conveyor belt 3.
7 and the transfer of the tile P is blocked.

On the other hand, the operating rod 163 is connected to the swing arm 177,
The swing arm 177 is interlockingly linked with a slide arm 179 slidably supported by the base plate 5.
The protruding piece 181 of the slide arm 179 is located at a position corresponding to the vertically extending arm 183 perpendicular to the inner member 117 of the alignment table 85, and when the alignment table 85 descends, the protruding piece 181 is formed.
The interlocking state in which 1 and the vertical arm 183 are in contact with each other is ensured. Therefore, the inner member 117
Of the first movable arm 157 of the drive mechanism 153 via the swing arm 177 and the operating rod 163 when the slide arm 179 is moved by the vertical arm 183 that moves simultaneously with the completion of the tile alignment. Will be obtained.

In the tile standby device thus configured, the tile P conveyed to the conveying end portion 37b by the conveyor belt 37 hits the stopper 38d of the first lever 38 and stands by, as shown in FIG. At this time, as shown in FIG. 6, the abutting projection piece 59a at the lower end of the operation arm 59 is moved forward by the tile conveying member 57.
Collides against the inclined surface 48b of the second lever 48 and pushes it down against the clockwise biasing of the spring, and the stopper 38d of the first lever 38 moves the stopper surface 38d of the transfer surface a when the tile conveying member 57 is most advanced.
Descend from. At that time, at the same time, the regulation of the tile P at the foremost position is released, the tile P passes through the conveyance end portion 37b, and subsequently, when the movement of the tile conveying member 57 is completed, the stopper 38d is moved upward by the bias of the spring 50 to move to the next position. The tile P is regulated and put on standby, and the tile conveying member 57 is retracted. At this time, as shown in FIG. 7, the abutting protrusion 59a retreats while abutting against the back surface of the inclined surface 48b, but the second lever 48 rises independently and thus the tile conveying member 57. There is no hindrance to the backward movement of.

[Effects of the Invention] As described above, according to the tile waiting device of the mahjong tiles conveying device of the present invention, it is possible to mechanically make the stopper appear and disappear at the forward end of the conveyor belt by the reciprocating movement of the tile conveying member. As a result, a sensor or the like for timing is not required, and the entire apparatus can be made compact, and it is very preferable in terms of cost efficiency and maintenance.

[Brief description of drawings]

FIG. 1 is a side view of a waiting device of a mahjong tiles transporting device which implements the present invention, and FIG. 2 is a perspective view of a main part of the same waiting device.
FIG. 4 is an exploded perspective view of the main part of the same standby device, and FIG. 4 is FIG.
Sectional views taken along the line IV-IV, FIGS. 5 to 10 are explanatory views of the operation of the standby device of the above, FIG. 11 is a schematic plan view of an automatic mahjong table in which the present invention is implemented, and FIG. 12 is XII of FIG. -XII enlarged sectional view, FIG. 13 is a sectional view taken along line XIII-XIII in FIG. 12,
FIG. 14 is an explanatory view of the regulating member, FIG. 15, FIG. 16, FIG. 17, and FIG. 18 are explanatory views of the reversing part of the tile, and FIG. 19 is a schematic plan view of the stopper mechanism of the tile, FIG. 21 is a plan view of the assembling mechanism, FIG. 21 is a rear view of the same, FIG. 22 is a side view of the same, FIG. 23 is a sectional view taken along line XXIII-XXIII of FIG. 20, and FIG. Explanatory diagram showing the system,
FIG. 25 is an explanatory view of the alignment table. 7 ... Turntable 11 ... Tile posture control unit 37 ... Conveying belt (conveying device) 38 ... First lever 38d ... Stopper 41 ... Gate unit 43 ... Reversing unit 44 ... Standby device 48 ... No. Two levers 57 ... tile transfer member

Claims (1)

[Scope of utility model registration request] 1. A tile conveying member which allows a tile in each posture approached to the periphery of a rotatable turntable to pass only a tile in a prone posture and a supine posture by a gate portion and which is capable of advancing and retracting a tile in a prone posture. In a mahjong tiles carrying device for carrying to a tiles posture control part provided with a reversing part for reversing a tile in a supine posture to a lying posture, in the mahjong tiles conveying device,
A standby device is provided for sending tiles to the tile attitude control unit one by one, and the standby device includes a first lever having a retractable stopper that constantly protrudes from the transport surface of the mahjong tile transport device, and the maximum of the tile transport member. A second lever that lowers the stopper of the first lever at the forward position, and the second lever is configured to escape upward without affecting the movement of the first lever when the tile conveying member retracts. A tile waiting device for a mahjong tiles carrier device characterized by being linked and linked with.