CN210992938U

CN210992938U - Shuffling device of mahjong machine and shaft seat clutch device applied to shuffling device

Info

Publication number: CN210992938U
Application number: CN201921092948.9U
Authority: CN
Inventors: 韦琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-07-14
Anticipated expiration: 2029-07-12

Abstract

A mahjong shuffling device and a shaft seat clutch device applied to the mahjong shuffling device, wherein the shaft seat clutch device comprises a central shaft seat and a clutch, and the clutch at least comprises a first clutch part and a second clutch part; the first clutch piece is rotatably assembled on the central shaft seat, and the second clutch piece is arranged on the central shaft seat or the large bottom plate; the first clutch member and the second clutch member are switched between a locked state and a free state relative to the spindle base. The utility model discloses the first separation and reunion piece of axle bed clutch device clutch and second separation and reunion piece are perpendicular on a straight line, and clutch device separation and reunion power is big, and the reasonable overall arrangement of first separation and reunion piece can be without the deep bid bearing, practices thrift the cost to be fit for playing with mahjong machine the card shuffling on the deep bid big bid dish, buffer disc dial the tablet ware and shuffle the deep bid and dial card piece parts such as tablet strip and connect wantonly and the built-up connection accomplishes quick reason tablet and silence reason tablet function.

Description

Shuffling device of mahjong machine and shaft seat clutch device applied to shuffling device

Technical Field

The utility model relates to a mahjong machine or mahjong machine fittings especially relate to a mahjong machine shuffling device and axle bed clutch thereof.

Background

In the existing mahjong machine, a shifting strip or a large plate is provided with a variable speed transmission device for quickly arranging tiles or silently arranging tiles. Patent number CN201711469916.1 discloses a large disk device of a mahjong machine, in which a planetary speed-changing large disk transmission device is designed; patent No. 201820352582.3 discloses a mahjong machine poker bar shifting device, in which a planetary speed-variable poker bar shifting transmission device is designed, and the above devices can be used to control the continuous operation or stop operation of a large plate or poker bar of the mahjong machine by adding a clutch device.

Patent No. CN201721794462.0 discloses a shuffling device of a mahjong machine, which is also provided with a poker bar locking device for controlling the synchronous rotation of poker bars and a large plate and the stopping of rotation of poker bars. The design adopts a driving disc and a cam, the guide part and the blocking part are centrifugally driven, the guide part and the blocking part are not positioned on a vertical line, the stress is uneven, the card is easily damaged, the guide part and the blocking part are not designed on a vertical line when locking movement is executed, and the action of the locking device is unreliable.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shuffling device of a mahjong machine and an axle seat clutch device applied to the shuffling device, which aim to solve the problem that the clutch action moment of a large-plate mechanism or a shifting strip variable speed transmission device is smaller in the shuffling process of the existing mahjong machine.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

the shaft seat clutch device comprises a central shaft seat and a clutch, wherein the clutch at least comprises a first clutch part and a second clutch part; the first clutch piece is rotatably assembled on the central shaft seat, and the second clutch piece is arranged on the central shaft seat or the large bottom plate; the first clutch member and the second clutch member are switched between a locked state and a free state relative to the spindle base.

Furthermore, the first clutch piece is a circular ring body which is sleeved on the central shaft seat and rotates around the circumferential plane of the central shaft seat, and the lower part of the circular ring body is provided with a circular ring iron sheet or a circular ring magnet sheet, and the second clutch piece is a magnetic electromagnetic clutch; when the magnetic type electromagnetic clutch is electrified to generate magnetic force, the ring body and the magnetic type electromagnetic clutch are in a suction locking state relative to the central shaft seat, and when the magnetic type electromagnetic clutch loses the electromagnetic force and disappears, the ring body and the magnetic type electromagnetic clutch are in a release free state relative to the central shaft seat.

Furthermore, the first clutch piece is a ring body which is sleeved on the central shaft seat and rotates around the circumferential plane of the central shaft seat, and the second clutch piece is a clutch lifter which is installed on the central shaft seat in a guiding manner and reciprocates linearly up and down relative to the central shaft seat or the large bottom plate; the clutch further includes a reciprocating drive member for driving the first clutch member into and out of engagement with the second clutch member; the reciprocating driving piece is in contact with the clutch lifter, the rotating motion of the power device is converted into the vertical reciprocating linear motion of the clutch lifter, the clutch lifter is arranged at the top of the reciprocating driving piece, the clutch lifter is provided with a resetting device, when the reciprocating driving piece props against the clutch lifter to move upwards, the annular body and the clutch lifter are in a friction locking state relative to the central shaft base, when the reciprocating driving piece is separated from the clutch lifter, the clutch lifter moves downwards under the action of the resetting device, and the annular body and the clutch lifter are in a friction-free state relative to the central shaft base.

Further, reciprocating drive spare replaces with the double-end rocking arm, the clutch still includes the position sensor of feedback control clutch and operation panel state, position sensor includes the inductive head of at least three detection double-end rocking arm swing position, corresponds the combination position of first separation and reunion spare and second separation and reunion spare respectively, the separation position of first separation and reunion spare and second separation and reunion spare and the jacking position of operation panel.

Furthermore, the double-end rocker arm is composed of a double-end oscillating bar, a bearing and an induction magnet, one end of the double-end oscillating bar is a big end, the other end of the double-end oscillating bar is a small end, one oscillating bar corresponds to the driving clutch lifter, the other oscillating bar corresponds to the driving clutch lifter to lift the operating panel of the automatic mahjong machine, and the positioning sensor outputs a positioning signal when sensing the induction magnet.

Furthermore, the first clutch part and the second clutch part are of a friction type clutch structure, an embedded type clutch structure or a magnetic type clutch structure.

Further, the reciprocating driving piece is a rocker arm, a swing rod, a cam or an eccentric wheel.

Further, the clutch lifter comprises a vertical lifting rod and a horizontal supporting rod; the vertical lifting rod and the horizontal support rod are connected into a U shape; the vertical lifting rod is provided with a backspacing spring and a limiting step.

A mahjong shuffling device of a mahjong machine comprises a mahjong shuffling large disc, a mahjong shifting strip device and the axle seat clutch device, wherein the mahjong shuffling large disc and the mahjong shifting strip device are rotatably assembled on a central axle seat through a first clutch piece; the shuffling large disc is rotatably assembled on a first clutch piece, the shuffling bar device is fixedly connected to the first clutch piece, the first clutch piece is rotatably assembled on a central shaft seat, and the first clutch piece and the second clutch piece are switched between a locking state and a free state relative to the central shaft seat.

Further, the power device is a separately arranged motor or a power transfer transmission device of motors of other mechanisms, and the transfer transmission device can divide the power of one motor into two power outputs to be respectively transmitted to the two actuating mechanisms.

Compared with the prior art, the utility model has the advantages that:

the utility model discloses axle bed clutch's first separation and reunion piece and second separation and reunion piece are perpendicular on a straight line, and clutch power is big, is fit for carrying out the separation and reunion action of friction disc separation and reunion, ejector pin groove locking and the multiple great moment of magnet separation and reunion, and the structure is more simple and has reduced manufacturing cost simultaneously, easily assembles and maintains, under the condition that reduces the reason tablet noise, has further accelerated reason tablet speed. Meanwhile, the reasonable layout of the first clutch part can save cost without a large disc bearing, and is suitable for being connected with arranging parts such as a large shuffling disc, a buffer disc poker shifting device, a large shuffling disc poker bar and the like of a mahjong machine at will and in combination to finish the functions of fast arranging mahjong pieces and mute arranging mahjong pieces.

Drawings

Fig. 1 is a schematic view of an electromagnetic clutch of a shaft seat clutch device according to the present invention;

fig. 2 is a schematic view of the clutch of the shaft seat clutch device of the present invention;

fig. 3 is a schematic view of the side of the shaft seat clutch device in the engaging state of the double-ended rocker arm clutch and the lower position of the operating panel according to the present invention;

fig. 4 is a schematic view of the coupling state of the double-ended rocker arm clutch of the axle seat clutch device according to the present invention, showing the lower position of the operating panel;

fig. 5 is a schematic diagram of the side of the double-ended rocker arm clutch of the axle seat clutch device in a separation state and the lower position of the operating panel according to the present invention;

fig. 6 is a schematic view of the double-ended rocker arm clutch of the axle seat clutch device in a disengaged state, showing the lower position of the operating panel;

fig. 7 is a schematic diagram of the side surface of the double-ended rocker arm clutch of the shaft seat clutch device in a separation state and the upper position of the operating panel of the utility model;

fig. 8 is a schematic diagram of the shaft seat clutch device according to the present invention showing the front side of the double-ended rocker arm clutch in the disengaged state and the upper side of the operation panel;

FIG. 9 is a schematic view of the double-ended rocker arm of the present invention;

FIG. 10 is a schematic view of the dual-head rocker arm of the present invention;

fig. 11 is a schematic structural view of the clutch lifter of the present invention;

fig. 12 is a schematic structural view of the positioning sensor of the present invention;

fig. 13 is a schematic view of a second clutch member mounting structure of the axle seat clutch device according to the present invention;

fig. 14 is a schematic view of the middle state of the double-ended rocker arm of the axle seat clutch device according to the present invention;

fig. 15 is a schematic view of the magnetic-type clutch structure of the shaft seat clutch device and the shuffling device of the present invention;

FIG. 16 is a schematic view of the clutch structure of the shaft seat clutch device and the shuffling device of the present invention;

fig. 17 is a schematic view of the clutch structure of the shaft seat clutch device and the shuffling device of the present invention.

In the figure: 1- -central axle seat; 111- -clutch lifter pilot hole; 2- -operating the middle lifting rod of the plate; 3- -power plant; 4- -middle lift rack; 41- -Power support; 5- -positioning sensor; 51- -lower inductive head; 52- -Upper sensor head; 53- -middle induction head; 6- -operating the disc to lift the horizontal rod; 7- -a second clutch; 70- -Clutch lifter; 71- -vertical lift pins; 72- -horizontal carrier bar; 73- -a retraction spring; 74- -a limit step; 75- -magnetic-type electromagnetic clutch; 8-reciprocating drive member; 80- -double ended rocker arm; 81-double-head swing rod; 811- -double head swing link small; 812-big end of double-head swing rod; 82- -a bearing; 83- -an induction magnet; 9- -shuffle large disks; 10-poker bar; 11- -first clutch member.

Detailed Description

The invention is further described below with reference to the following figures and examples:

example 1: refer to fig. 1. The shaft seat clutch device comprises a central shaft seat 1 and a clutch, wherein the clutch at least comprises a first clutch piece 11 and a second clutch piece 7; the first clutch piece 11 is rotatably assembled on the central shaft seat 1, and the second clutch piece 7 is arranged on the central shaft seat 1 or the large bottom plate; the first clutch 11 and the second clutch 7 are switched between the locked state and the free state with respect to the spindle base 1.

During assembly, the first clutch piece 11 is a circular ring body which is sleeved on the central shaft seat 1 and rotates around the circumferential plane of the central shaft seat, and the lower part of the circular ring body is provided with a circular ring iron sheet or a circular ring magnet sheet, and the second clutch piece 7 is a magnetic electromagnetic clutch 75; the big shuffling disk 9 is sleeved outside the first clutch piece 11 and rotates around the circumferential plane of the first clutch piece 11 and the central shaft seat 1, and the card poking bars 10 are arranged above the first clutch piece 11. The first clutch member 11 (torus) can directly replace the original large disc bearing.

In the initial shuffling stage, when the mahjong machine is crowded, the magnetic electromagnetic clutch 75 is in a state of losing electromagnetic force, the first clutch piece 11 (ring body) is in a free release state relative to the magnetic electromagnetic clutch 75 and the central shaft base 1, and the first clutch piece 11 (ring body) and the mahjong shifting strips 10 are in a free rotation and mahjong shifting state, so that the mahjong arranging noise is reduced, and the load of a large-disk motor is reduced; in the later shuffling stage, when the mahjong machine is not crowded, the magnetic electromagnetic clutch 75 generates a magnetic force state for getting electricity, the first clutch part 11 (annular body) is in a suction locking state relative to the magnetic electromagnetic clutch 75 and the central shaft seat 1, the first clutch part 11 (annular body) and the mahjong shifting strips 10 are in a locking irrotational state and a mahjong shifting state, and the whole mahjong arranging time is short.

Example 2: referring to fig. 2, combined reference is made to fig. 3-11. The shaft seat clutch device comprises a central shaft seat 1 and a clutch, wherein the clutch at least comprises a first clutch part 11, a clutch lifter 70 and a reciprocating driving part 8, and the clutch lifter 70 comprises a vertical lifting rod 71 and a horizontal supporting rod 72; the vertical lifting rod 71 and the horizontal supporting rod 72 are connected into a U shape; a backspacing spring 73 and a limit step 74 are arranged on the vertical lifting rod 71, the reciprocating driving piece 8 is arranged on a power output shaft of the power device 3, the first clutch piece 11 is rotatably assembled on the central shaft seat 1, and the clutch lifter 70 is arranged on the central shaft seat 1; the first clutch member 11 and the clutch lifter 70 are switched between the locked state and the free state with respect to the center hub 1.

During assembly, the first clutch part 11 adopts a circular ring body which is sleeved on the central shaft seat 1, rotates around the circumferential plane of the central shaft seat and is of a friction type clutch structure or an embedded type clutch structure, and the second clutch part 7 adopts a clutch lifter 70 and a reciprocating driving part 8; the big shuffling disk 9 is sleeved outside the first clutch piece 11 and rotates around the circumferential plane of the first clutch piece 11 and the central shaft seat 1, and the card poking bars 10 are arranged above the first clutch piece 11. The first clutch member 11 (torus) can directly replace the original large disc bearing.

In the initial shuffling stage, when the mahjong machine is crowded, the reciprocating driving piece 8 moves to a non-upper position, the clutch lifter 70 moves downwards under the action of the backspacing spring 73, the clutch lifter 70 is separated from the first clutch piece 11 (annular body), the first clutch piece 11 (annular body) is in a release free state relative to the clutch lifter 70 and the central shaft base 1, the first clutch piece 11 (annular body) and the mahjong shifting strips 10 are in a free rotation and mahjong shifting state, the mahjong arranging noise is reduced, and the load of a large-disk motor is reduced; shuffle the later stage, when the mahjong machine is not crowded, reciprocating drive spare 8 moves to the superordinate, clutch lift 70 moves up, clutch lift 70 withstands first clutch piece 11 (the tourus), first clutch piece 11 (the tourus) relative with clutch lift 70 and central axle bed 1 be locking state, first clutch piece 11 (the tourus) and central axle bed 1 are the friction locking state, first clutch piece 11 (the tourus) and dial tablet strip 10 for locking irrotational and dial the tablet state, whole reason tablet time is fast.

In this embodiment, the reciprocating drive member 8 is used as a rotary drive member of the clutch, and the power unit 3 controls only the operation of the clutch. In practical application, in order to reduce cost and improve the internal structure compactness of the automatic mahjong machine, motors of other mechanisms (such as a tile lifting mechanism and a large-disc transmission mechanism) in the automatic mahjong machine can be adopted, and the rotating power of the motors of the other mechanisms is output through a transfer device to control the lifting action of an operation panel.

Example 3: reference is made to fig. 3-14. The axle seat clutch device comprises a central axle seat 1 and a clutch, the clutch at least comprises a first clutch part 11, a clutch lifter 70, a double-end rocker 80 and a positioning sensor 5, the prior mahjong machine is also provided with an operation disk middle lifting rod 2, the mahjong machine mahjong; the clutch lifter 70 comprises a vertical lifting rod 71 and a horizontal supporting rod 72; the vertical lifting rod 71 and the horizontal supporting rod 72 are connected into a U shape; the vertical lifting rod 71 is provided with a retraction spring 73 and a limiting step 74, the double-head rocker arm 80 is composed of a double-head rocker arm 81, a bearing 82 and an induction magnet 83, one end of the double-head rocker arm 81 is a big head 812, the other end of the double-head rocker arm is a small head 811, the small head 811 corresponds to a driving clutch lifter, the other big head 812 corresponds to a driving operation panel of the automatic mahjong machine to lift, and the positioning sensor 5 comprises at least three induction heads for detecting the swinging position of the double-head rocker arm, a lower induction head 51, a middle induction head 53 and an upper induction head 52; the positioning sensor 5 outputs a positioning signal when sensing the induction magnet 83, the double-head rocker arm 80 is installed on a power output shaft of the power device 3, the first clutch member 11 is rotatably assembled on the central shaft seat 1, and the clutch lifter 70 is installed on the central shaft seat 1, corresponding to the combination position of the first clutch member and the clutch lifter 70, the separation position of the first clutch member and the clutch lifter 70, and the jacking position of the operating panel; the first clutch member 11 and the clutch lifter 70 are switched between the locked state and the free state with respect to the center hub 1.

During assembly, the first clutch part 11 adopts a circular ring body which is sleeved on the central shaft seat 1, rotates around the circumferential plane of the central shaft seat and is of a friction type clutch structure or an embedded type clutch structure, and the second clutch part 7 adopts a clutch lifter 70 and a double-end rocker arm 80; the big shuffling disk 9 is sleeved outside the first clutch piece 11 and rotates around the circumferential plane of the first clutch piece 11 and the central shaft seat 1, and the card poking bars 10 are arranged above the first clutch piece 11. The first clutch member 11 (torus) can directly replace the original large disc bearing.

In the initial shuffling stage, when the mahjong machine is crowded, the double-end rocker arm 80 moves to the middle position, a signal is sent to the middle position induction head 53 corresponding to the positioning sensor 5, the lifting motor is controlled to stop, the lifting rod 2 in the operation plate is not lifted corresponding to the large head 812, the clutch lifter 70 is separated corresponding to the small head 811, the clutch lifter 70 moves downwards under the action of the backspacing spring 73, the clutch lifter 70 is separated from the first clutch part 11 (annular body), the first clutch part 11 (annular body) is in a free state relative to the clutch lifter 70 and the central shaft seat 1, the first clutch part 11 (annular body) and the mahjong shifting strips 10 rotate freely and do not shift mahjong, the mahjong arranging noise is reduced, and the load of the motor of the large plate is reduced; in the later shuffling stage, when the mahjong machine is not crowded, the double-end rocker arm 80 moves to the lower position, a signal is sent to the lower induction head 51 corresponding to the positioning sensor 5, the lifting motor is controlled to stop, the lifting rod 2 in the operation plate is not lifted corresponding to the large head 812, the clutch lifter 70 is propped to move upwards corresponding to the small head 811, the clutch lifter 70 is propped against the first clutch part 11 (a ring body), the first clutch part 11 (the ring body) is in a locking state relative to the clutch lifter 70 and the central shaft seat 1, the first clutch part 11 (the ring body) and the central shaft seat 1 are in a friction locking state, the first clutch part 11 (the ring body) and the mahjong shifting strip 10 are in a locking irrotational and mahjong shifting state, and the whole mahjong arranging time is short. After the player moustache, when the operating panel lifting key is pressed, the double-head rocker arm 80 moves to the upper position, the upper induction head 52 corresponding to the positioning sensor 5 has a signal, the lifting motor is controlled to stop, the corresponding big head 812 lifts the lifting rod 2 in the operating panel to the top position, and the corresponding small head 811 is far away from the clutch lifter 70.

In this embodiment, the double-ended rocker arm 80 is used as a rotary driving member of the clutch, and the power unit 3 controls the action of the clutch and the lifting action of the lifting rod 2 in the operating panel. In practical application, in order to reduce cost and improve the internal structure compactness of the automatic mahjong machine, motors of other mechanisms (such as a tile lifting mechanism and a large disk transmission mechanism) in the automatic mahjong machine can be adopted, and the rotating power of the motors of other mechanisms is output through a transfer device to control the lifting action of the lifting rod 2 in the operating panel and the action of a clutch and a clutch.

Example 4: refer to fig. 15. A mahjong shuffling device of a mahjong machine comprises a central shaft seat 1, a clutch, a mahjong shifting bar 10 and a mahjong shuffling large disc 9. The clutch comprises at least a first clutch 11 and a second clutch 7; the first clutch piece 11 is rotatably assembled on the central shaft seat 1, and the second clutch piece 7 is arranged on the central shaft seat 1 or the large bottom plate; the first clutch 11 and the second clutch 7 are switched between the locked state and the free state with respect to the spindle base 1.

During assembly, the first clutch piece 11 adopts a circular ring body which is sleeved on the central shaft seat 1 and rotates around the circumferential plane of the central shaft seat, and the lower part of the circular ring body is provided with a circular ring iron sheet or a circular ring magnet sheet, the first clutch piece 11 (the circular ring body) directly replaces a large-disc bearing, and the second clutch piece 7 adopts a magnetic type electromagnetic clutch 75; the big shuffling disk 9 is sleeved outside the first clutch piece 11 and rotates around the circumferential plane of the first clutch piece 11 and the central shaft seat 1, and the card poking bars 10 are arranged above the first clutch piece 11.

Example 5: referring to fig. 16, combined reference is made to fig. 3-11. A mahjong shuffling device of a mahjong machine comprises a central shaft seat 1, a clutch, a mahjong shifting bar 10 and a mahjong shuffling large disc 9. The clutch at least comprises a first clutch part 11, a clutch lifter 70 and a reciprocating driving part 8, wherein the clutch lifter 70 comprises a vertical lifting rod 71 and a horizontal supporting rod 72; the vertical lifting rod 71 and the horizontal supporting rod 72 are connected into a U shape; a backspacing spring 73 and a limit step 74 are arranged on the vertical lifting rod 71, the reciprocating driving piece 8 is arranged on a power output shaft of the power device 3, the first clutch piece 11 is rotatably assembled on the central shaft seat 1, and the clutch lifter 70 is arranged on the central shaft seat 1; the first clutch member 11 and the clutch lifter 70 are switched between the locked state and the free state with respect to the center hub 1.

During assembly, the first clutch part 11 is a circular ring body which is sleeved on the central shaft seat 1, rotates around the circumferential plane of the central shaft seat and is of a friction type clutch structure or an embedded type clutch structure, and the first clutch part 11 (the circular ring body) directly replaces an original large-disc bearing. The second clutch part 7 adopts a clutch lifter 70 and a reciprocating driving piece 8; the big shuffling disk 9 is sleeved outside the first clutch piece 11 and rotates around the circumferential plane of the first clutch piece 11 and the central shaft seat 1, and the card poking bars 10 are arranged above the first clutch piece 11.

Example 6: refer to fig. 17. A mahjong shuffling device of a mahjong machine comprises a central shaft seat 1, a clutch, a mahjong shifting bar 10 and a mahjong shuffling large disc 9. The clutch at least comprises a first clutch part 11, a clutch lifter 70, a double-end rocker arm 80 and a positioning sensor 5, the existing mahjong machine is also provided with an operation disc middle lifting rod 2, a middle lifting support 4, a power support 41 and a power device 3, the operation disc middle lifting rod 2 penetrates through the central shaft base 1, the operation disc lifting horizontal rod 6 is installed at the bottom end of the operation disc middle lifting rod 2, an operation disc (not marked in the figure, referring to a control disc for starting the mahjong machine lifting by a player) is installed at the top end of the operation disc middle lifting rod 2, the positioning sensor 5 and the power device 3 are installed on the power support 41, the power support 41 is installed beside the operation disc middle lifting rod 2, the double-end rocker arm 80 is installed on a power output shaft of the power device 3, and the double-end rocker arm 80 can drive the operation disc lifting horizontal rod 6 and the operation disc middle lifting rod 2 and the operation disc to perform lifting action along the limited track of; the clutch lifter 70 comprises a vertical lifting rod 71 and a horizontal supporting rod 72; the vertical lifting rod 71 and the horizontal supporting rod 72 are connected into a U shape; the vertical lifting rod 71 is provided with a retraction spring 73 and a limiting step 74, the double-head rocker arm 80 is composed of a double-head rocker arm 81, a bearing 82 and an induction magnet 83, one end of the double-head rocker arm 81 is a big head 812, the other end of the double-head rocker arm is a small head 811, the small head 811 corresponds to a driving clutch lifter, the other big head 812 corresponds to a driving operation panel of the automatic mahjong machine to lift, and the positioning sensor 5 comprises at least three induction heads for detecting the swinging position of the double-head rocker arm, a lower induction head 51, a middle induction head 53 and an upper induction head 52; the positioning sensor 5 outputs a positioning signal when sensing the induction magnet 83, the double-head rocker arm 80 is installed on a power output shaft of the power device 3, the first clutch member 11 is rotatably assembled on the central shaft seat 1, and the clutch lifter 70 is installed on the central shaft seat 1, corresponding to the combination position of the first clutch member and the clutch lifter 70, the separation position of the first clutch member and the clutch lifter 70, and the jacking position of the operating panel; the first clutch member 11 and the clutch lifter 70 are switched between the locked state and the free state with respect to the center hub 1.

During assembly, the first clutch part 11 is a circular ring body which is sleeved on the central shaft seat 1, rotates around the circumferential plane of the central shaft seat and is of a friction type clutch structure or an embedded type clutch structure, and the first clutch part 11 (the circular ring body) directly replaces an original large-disc bearing. The second clutch part 7 adopts a clutch lifter 70 and a double-end rocker arm 80; the big shuffling disk 9 is sleeved outside the first clutch piece 11 and rotates around the circumferential plane of the first clutch piece 11 and the central shaft seat 1, and the card poking bars 10 are arranged above the first clutch piece 11.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should be made within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. Axle bed clutch, including central axle bed, characterized by: the clutch at least comprises a first clutch piece and a second clutch piece;

the first clutch piece is rotatably assembled on the central shaft seat, and the second clutch piece is arranged on the central shaft seat or the large bottom plate; the first clutch member and the second clutch member are switched between a locked state and a free state relative to the spindle base.

2. The axle seat clutch device according to claim 1, wherein: the first clutch piece is a ring body which is sleeved on the central shaft seat and rotates around the circumferential plane of the central shaft seat, and the lower part of the ring body is provided with a ring iron sheet or a magnet sheet; when the magnetic type electromagnetic clutch is electrified to generate magnetic force, the ring body and the magnetic type electromagnetic clutch are in a suction locking state relative to the central shaft seat, and when the magnetic type electromagnetic clutch loses the electromagnetic force and disappears, the ring body and the magnetic type electromagnetic clutch are in a release free state relative to the central shaft seat.

3. The axle seat clutch device according to claim 1, wherein: the first clutch piece is a ring body which is sleeved on the central shaft seat and rotates around the circumferential plane of the central shaft seat, and the second clutch piece is a clutch lifter which is arranged on the central shaft seat in a guiding way and reciprocates linearly up and down relative to the central shaft seat or the large bottom plate; the clutch further includes a reciprocating drive member for driving the first clutch member into and out of engagement with the second clutch member; the reciprocating driving piece is in contact with the clutch lifter, the rotating motion of the power device is converted into the vertical reciprocating linear motion of the clutch lifter, the clutch lifter is arranged at the top of the reciprocating driving piece, the clutch lifter is provided with a resetting device, when the reciprocating driving piece props against the clutch lifter to move upwards, the annular body and the clutch lifter are in a friction locking state relative to the central shaft base, when the reciprocating driving piece is separated from the clutch lifter, the clutch lifter moves downwards under the action of the resetting device, and the annular body and the clutch lifter are in a friction-free state relative to the central shaft base.

4. The axle seat clutch device according to claim 3, wherein: the reciprocating driving piece is replaced by a double-end rocker arm, the clutch further comprises a positioning sensor for controlling the states of the clutch and the operating disc in a feedback mode, the positioning sensor comprises at least three sensing heads for detecting the swing position of the double-end rocker arm, and the sensing heads respectively correspond to the combination position of the first clutch piece and the second clutch piece, the separation position of the first clutch piece and the second clutch piece and the jacking position of the operating disc.

5. The axle seat clutch device according to claim 4, wherein: the double-end rocker arm is composed of double-end swing rods, a bearing and an induction magnet, one end of each double-end swing rod is a big end, the other end of each double-end swing rod is a small end, one swing rod corresponds to the driving clutch lifter, the other swing rod corresponds to the driving clutch lifter to lift the operation panel of the automatic mahjong machine, and the positioning sensor outputs a positioning signal when sensing the induction magnet.

6. The axle seat clutch device according to claim 1, wherein: the first clutch piece and the second clutch piece are of a friction type clutch structure, an embedded type clutch structure or a magnetic type clutch structure.

7. The axle seat clutch device according to claim 3, wherein: the reciprocating driving piece is a rocker arm, a swing rod, a cam or an eccentric wheel.

8. The axle seat clutch device according to claim 3, wherein: the clutch lifter comprises a vertical lifting rod and a horizontal supporting rod; the vertical lifting rod and the horizontal support rod are connected into a U shape; the vertical lifting rod is provided with a backspacing spring and a limiting step.

9. A mahjong shuffling device of a mahjong machine comprises a large shuffling plate and a mahjong shifting bar device, and is characterized in that: further comprising the axle seat clutch of any one of claims 1-8;

the shuffling large disc and the shuffling bar device are rotatably assembled on a central shaft seat through a first clutch piece;

the shuffling large disc is rotatably assembled on a first clutch piece, the shuffling bar device is fixedly connected to the first clutch piece, the first clutch piece is rotatably assembled on a central shaft seat, and the first clutch piece and the second clutch piece are switched between a locking state and a free state relative to the central shaft seat.