CN210728643U

CN210728643U - Shuffling device and automatic mahjong machine applying same

Info

Publication number: CN210728643U
Application number: CN201921092112.9U
Authority: CN
Inventors: 韦琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-06-12
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a shuffling device and an automatic mahjong machine using the shuffling device, which comprises a shuffling large disk, a poker shifting strip above the shuffling large disk and a planet bearing, wherein the shuffling large disk and the poker shifting strip are rotatably assembled on a central shaft seat through the planet bearing; the planet bearing comprises a bearing gear outer ring, a bearing gear inner ring, a bearing planet wheel retainer and a plurality of bearing planet wheels which are arranged in a planetary gear train, wherein the bearing planet wheels are assembled on the bearing planet wheel retainer, are packaged between the bearing gear outer ring and the bearing gear inner ring through the bearing planet wheel retainer, and are simultaneously meshed with inner teeth of the bearing gear outer ring and outer teeth of the bearing gear inner ring; the shuffling large disc is fixedly sleeved on the outer ring of the bearing gear, the shuffling bar bearing planet wheel retainer is fixedly connected, and the inner ring of the bearing gear is fixedly arranged opposite to the central shaft seat. The shuffling device of the utility model has simple and compact structure and reliable work, and can effectively improve the shuffling efficiency of the automatic mahjong machine and reduce the shuffling noise.

Description

Shuffling device and automatic mahjong machine applying same

Technical Field

The utility model belongs to automatic mahjong machine equipment, concretely relates to shuffling device and automatic mahjong machine who uses thereof.

Background

The shuffling device of the existing automatic mahjong machine is to move mahjong tiles to peripheral mahjong tile arranging devices for automatic mahjong tile arrangement after the mahjong tiles are disorderly driven by the rotation of a shuffling large disk. Generally, in order to more effectively disorder mahjong tiles, a tile shifting strip is arranged on a shuffling large disk, the tile shifting strip is generally fixed, and mahjong tiles are driven by the shuffling large disk to impact the tile shifting strip to disorder the mahjong tiles. In order to improve the stirring efficiency of the mahjong tiles on the shuffling large plate by the tile stirring strips, the mahjong tiles can be quickly stirred to a tile arranging area at the periphery of the shuffling large plate by the tile stirring strips which rotate together with the shuffling large plate or rotate at a different speed on the automatic mahjong machine, when the tile arranging speed of the mahjong tiles at the periphery of the shuffling large plate is lower than the stirring speed of the mahjong tiles by the tile stirring strips, the mahjong tiles can be excessively accumulated at the periphery of the shuffling large plate, so that the load of the shuffling large plate is increased, and the generated tile stirring noise is increased along with the accumulation of a large number of mahjong tiles at the periphery of the shuffling large plate.

Chinese patent No. CN201721794462.0 discloses a middle lifting mechanism of a mahjong machine, which is also provided with a clutch device for controlling the synchronous rotation of the poker bar and the large plate and the stop of the rotation of the poker bar. Firstly, the card shuffling strip and the card shuffling large disc in the scheme realize card shuffling transmission through friction, the transmission efficiency is not high, and the abrasion of the connection part is serious. In addition, in the scheme, the ejector pins directly slide in the sliding grooves between the large-plate shaft seat and the ejector plate shifting strips to realize the clutch between the ejector plate shifting strips and the shuffling large plates, the ejector pins are impacted greatly in the switching process of rotation and stop between the ejector plate shifting strips and the shuffling large plates, the clutch control can be realized only by embedding the ejector pins into the aligned large-plate shaft seat and the sliding grooves on the ejector plate shifting strips, and the clutch control has certain delay and unstable clutch function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be: aiming at the defects of the shuffling device of the existing automatic mahjong machine, a novel shuffling device and the automatic mahjong machine using the novel shuffling device are provided.

The utility model discloses a following technical scheme realizes:

the shuffling device comprises a shuffling large disk, a shuffling bar above the shuffling large disk and a planetary bearing, wherein the shuffling large disk and the shuffling bar are rotatably assembled on a central shaft seat through the planetary bearing; the planet bearing comprises a bearing gear outer ring, a bearing gear inner ring, a bearing planet wheel retainer and a plurality of bearing planet wheels which are arranged in a planetary gear train, wherein the bearing planet wheels are assembled on the bearing planet wheel retainer, are packaged between the bearing gear outer ring and the bearing gear inner ring through the bearing planet wheel retainer, and are simultaneously meshed with inner teeth of the bearing gear outer ring and outer teeth of the bearing gear inner ring; the shuffling large disc is fixedly sleeved on the outer ring of the bearing gear, the shuffling bars are connected with the bearing planet wheel retainer, and the inner ring of the bearing gear is fixedly arranged relative to the central shaft seat.

Furthermore, a plurality of poker shifting bar connecting rods which are nested with the central mounting seats of the poker shifting bars are arranged on the bearing planet wheel retainer.

The utility model also discloses another shuffling device, which comprises a shuffling big disk, a card shifting strip above the shuffling big disk, a clutch and a planetary bearing, wherein the shuffling big disk and the card shifting strip are rotatably assembled on the central shaft seat through the planetary bearing; the planet bearing comprises a bearing gear outer ring, a bearing gear inner ring, a bearing planet wheel retainer and a plurality of bearing planet wheels which are arranged in a planetary gear train, wherein the bearing planet wheels are assembled on the bearing planet wheel retainer, are packaged between the bearing gear outer ring and the bearing gear inner ring through the bearing planet wheel retainer, and are simultaneously meshed with inner teeth of the bearing gear outer ring and outer teeth of the bearing gear inner ring; the shuffling large disc is fixedly sleeved on the bearing gear outer ring, the shuffling bar bearing planet wheel retainer is connected, the bearing gear inner ring is connected with the clutch, and the bearing gear inner ring is controlled to be switched between a locking state and a free state relative to the central shaft seat.

Further, the clutch includes a first clutch structure mounted on the inner race of the bearing gear, a second clutch structure coupled to and separated from the first clutch structure, and a reciprocating driving mechanism driving the second clutch structure to be coupled to and separated from the first clutch structure.

Furthermore, first separation and reunion structure is fixed in the bottom of bearing gear inner circle, reciprocating drive mechanism includes that the direction is installed separation and reunion lift ejector pin and the rotary driving spare on the center pin seat, rotary driving spare is through the contact of a drive rotating element and separation and reunion lift ejector pin, converts rotary drive spare's rotary motion into the reciprocal linear motion of separation and reunion lift ejector pin, second separation and reunion structure is fixed at separation and reunion lift ejector pin top.

Further, the rotating element is a swing rod, a cam or an eccentric wheel.

Furthermore, the rotating element is a double-end rocker arm with two swing rods, wherein one swing rod correspondingly drives the clutch lifting ejector rod, and the other swing rod correspondingly drives the operating panel of the automatic mahjong machine to lift.

Furthermore, the rotary driving piece is a separately arranged motor, or motors of other mechanisms inside the automatic mahjong machine are used as the rotary driving piece through a transfer device.

Further, 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 joint position of first separation and reunion structure and second separation and reunion structure's separation position and the jacking position of operation panel respectively.

Furthermore, a return spring for controlling the separation of the second clutch structure and the first clutch structure is further arranged between the clutch lifting ejector rod and the central shaft seat, and a limiting step for limiting the separation limit position of the second clutch structure and the first clutch structure is arranged on the clutch lifting ejector rod.

Furthermore, the first clutch structure and the second clutch structure are friction type clutch structures, embedded type clutch structures or magnetic type clutch structures.

The utility model also discloses an automatic mahjong machine adopting the shuffling device.

The utility model discloses a shuffle device will shuffle the deep bid and dial through the planet bearing assembly between the tablet strip, planet bearing realizes shuffling the deep bid and dials the tablet strip and rotate the assembly to central axis seat mutually, can also realize shuffling the deep bid and dial the planet differential transmission between the tablet strip, and whole shuffle device assembly structure is compacter. The planet bearing realizes the relative rotation between the bearing gear inner ring and the bearing gear outer ring through gear meshing, has smaller noise compared with the common rotating bearing, and has smaller abrasion compared with the roller bearing.

Further, the utility model discloses still can control planetary bearing's bearing gear inner circle looks centering axle bed locking or free state through the clutch. During the early stage of shuffling, a large number of mahjong tiles are accumulated on the periphery of a shuffling large disk, a bearing gear inner ring of a planetary bearing is controlled by a clutch to enter a free state, according to the transmission characteristics of a planetary gear, the bearing gear inner ring is unlocked, because the external mahjong tiles resist to a tile shifting strip, a bearing gear outer ring connected with the shuffling large disk cannot drive a bearing planet wheel retainer connected with the tile shifting strip to form differential rotation with a bearing gear outer ring, the tile shifting strip cannot actively rotate on the large disk to shift the tiles, the mahjong tiles in the middle of the shuffling large disk cannot continuously move to the periphery of the shuffling large disk, the mahjong tiles on the periphery of the shuffling large disk are not crowded, the mahjong tile flipping efficiency of the region is high, the load of a large disk motor is light, and the mahjong tile manipulating noise is low. The mahjong tiles around the shuffling large disc are continuously reduced along with the shuffling, when the mahjong machine enters the shuffling later stage, the clutch controls the planet wheel of the planet bearing to enter a speed change state, the inner ring of the bearing gear of the planet bearing is locked to the central shaft seat by the clutch at the moment, according to the transmission characteristic of the planet gear, the outer ring of the bearing gear connected with the shuffling large disc is used as a power input end at the moment, the bearing planet wheel retainer connected with the tile poking strip is driven to be used as an output end, the tile poking strip and the shuffling large disc are driven to rotate in a differential speed mode, the mahjong tiles are slightly poked by the tile poking strip on the shuffling large disc, the mahjong tiles in the middle part of the shuffling large disc slowly move to the periphery of the shuffling large disc, the remaining mahjong tiles on the shuffling large disc are driven to the peripheral area of the shuffling large disc to sort the mahjong. The utility model discloses utilize clutch control planetary bearing's planetary drive control, adjust the distribution condition of mahjong tiles on shuffling the big dish according to the shuffle stage of difference, guarantee to shuffle the peripheral mahjong tiles of big dish and be in not crowded state, make shuffling the peripheral mahjong tiles of big dish and turn over the mahjong tiles reason tablet efficiency higher once, shuffle the big dish in the middle of and marginal mahjong tiles quantity gently reduce, big dish motor load is light, and the reason tablet noise is lower simultaneously.

The utility model discloses a clutch adopts motor automatic control, through quick corresponding friction formula separation and reunion structure or embedded separation and reunion structure or magnetism inhale formula separation and reunion structure, the state switching reaction of bearing gear inner circle is faster to strike whole effects at two separation and reunion structural, reduced the impact to shuffling the part. Furthermore, the driving control of the clutch can be combined with the lifting control of the operating panel of the automatic mahjong machine, so that the assembly structure in the mahjong machine is more compact, and a control mechanism of the clutch is not required to be arranged independently.

To sum up, the shuffling device of the utility model has simple and compact structure and reliable work, and can effectively improve the shuffling efficiency of the automatic mahjong machine and reduce the shuffling noise.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic structural diagram of a card shuffling device in the first embodiment.

Fig. 2 is a schematic external structural view of a planetary bearing in the first embodiment.

Fig. 3 is a schematic view of the internal structure of the planetary bearing in the first embodiment.

Fig. 4 is a schematic structural view of the card shuffling device in the second embodiment, which corresponds to a free state of the bearing gear inner ring of the planetary bearing.

Fig. 5 is a schematic structural view of the card shuffling device in the second embodiment, which corresponds to a locked state of the bearing gear inner ring of the planetary bearing.

Fig. 6 is a schematic structural view of the card shuffling device in the third embodiment, which corresponds to a free state of the bearing gear inner ring of the planetary bearing.

Fig. 7 is a schematic structural view of the card shuffling device in the third embodiment, corresponding to the locked state of the bearing gear inner ring of the planetary bearing.

Fig. 8 is a schematic diagram of the third embodiment of the shuffler device showing the control panel being lifted.

Fig. 9 is a schematic diagram of a clutch driving structure in the third embodiment.

Fig. 10 is a schematic structural view of a double-headed rocker arm in the third embodiment.

Fig. 11 is a schematic structural view of a clutch lifting jack in the third embodiment.

Fig. 12 is a schematic structural diagram of a positioning sensor in the third embodiment.

Figure 13 is a schematic view of the shuffler structure of the fourth embodiment.

FIG. 14 is a schematic view of the internal structure of a planetary bearing in accordance with the fifth embodiment.

Reference numbers in the figures: 1-shuffling big disc, 11-big disc driving gear ring, 2-playing card strip, 21-playing card strip center mounting seat, 3-center shaft seat, 4-planet bearing, 41-bearing gear outer ring, 41 '-bearing gear lower ring, 411-circumferential limiting structure, 42-bearing gear inner ring, 42' -bearing gear upper ring, 43-bearing planet wheel retainer, 431-playing card strip connecting rod, 44-bearing planet wheel, 45-friction plate, 5-clutch, 51-friction block, 52-clutch lifting ejector rod, 521-horizontal supporting rod, 522-lifting guide rod, 523-limiting step, 53-rocker arm, 531-first rocker arm, 532-second rocker arm, 533-roller, 534-rocker arm mounting seat and 535-induction block, 54-a positioning sensor, 541-a first induction head, 542-a second induction head, 543-a third induction head, 55-a motor, 56-a motor bracket, 61-an operation panel lifting horizontal rod, 62-an operation panel middle lifting rod, 71-a suction piece and 72-an electromagnet.

Detailed Description

Example one

Referring to fig. 1, the shuffling device shown in the figure is a specific embodiment of the present invention, and specifically comprises a shuffling large plate 1, a shuffling bar 2, a central shaft seat 3 and a planetary bearing 4. The large shuffling disk 1 and the large shuffling strips 2 are rotatably assembled on the central shaft seat 3 through the planet bearing 4, the large shuffling disk 2 is positioned above the large shuffling disk 1, and the planet bearing 4 is used as a rotating assembly part for assembling the large shuffling disk 1 and the large shuffling strips 2 on the central shaft seat 3 and also used as a transmission part between the large shuffling disk 1 and the large shuffling strips 2 to realize differential rotation between the large shuffling strips 2 and the large shuffling disk 1.

Referring to fig. 2 and 3 in combination, the planetary bearing 4 includes a bearing gear outer race 41, a bearing gear inner race 42, a bearing planet carrier 43, and a bearing planet 44. The bearing gear outer ring 41 and the bearing gear inner ring 42 are coaxially arranged, inner teeth and outer teeth which are arranged oppositely are arranged on the inner annular wall of the bearing gear outer ring 41 and the outer annular wall of the bearing gear inner ring 42 respectively, the plurality of bearing planet gears 44 are uniformly distributed in an annular space between the bearing gear outer ring 41 and the bearing gear inner ring 42, the bearing planet gears 44 are gears and are meshed with the inner teeth of the bearing gear outer ring and the outer teeth of the bearing gear inner ring simultaneously, and the arrangement is a planet gear train. All the bearing planet wheels 44 are rotatably assembled on the bearing planet wheel retainer 43, the bearing planet wheel retainer 43 comprises two coaxial parallel circular side plates, the bearing planet wheels 44 are rotatably assembled between the circular side plates through gear shafts, and the circular side plates on the two sides are packaged between the bearing gear outer ring 41 and the bearing gear inner ring 42 to form the integral external structure of the rolling bearing.

During assembly, the bearing gear inner ring 42 of the planet bearing 4 is fixedly sleeved on the central shaft seat 3 and can be assembled with the central shaft seat 3 through a connecting key, a connecting pin or interference fit; the inner ring installed at the center of the shuffling large disk 1 is fixedly sleeved on the bearing gear outer ring 41, a plurality of convex or concave circumferential limiting structures 411 are arranged on the outer circumference of the bearing gear outer ring 41, the inner ring installed at the center of the shuffling large disk 1 is provided with one-to-one circumferential limiting structures which are nested and assembled, and circumferential synchronous rotation between the shuffling large disk 1 and the bearing gear outer ring 41 is realized; the integral structure of the card-shifting strip 2 is the same as that of the existing shuffling device, a card-shifting strip central mounting seat 21 is arranged at the center of a spiral strip structure of the card-shifting strip 2, the card-shifting strip central mounting seat 21 is sleeved on a central shaft seat 3 in an empty mode and can rotate freely relative to the central shaft seat 3, meanwhile, the card-shifting strip central mounting seat 21 is also in coaxial transmission connection with a bearing planet wheel retainer 43 of a planet bearing 4, a plurality of card-shifting strip connecting rods 431 are arranged on the bearing planet wheel retainer 43, a plurality of corresponding connecting holes are formed in the card-shifting strip central mounting seat 21 of the card-shifting strip, and the card-shifting strip central mounting seat 21 and the bearing planet wheel retainer 43 synchronously rotate through the connecting holes in one-to-one nested connection and the card-shifting strip.

The planet bearing 4 in the embodiment not only has the function of a rolling bearing, but also can realize the differential rotation between the shuffling large plate 1 and the shuffling bar 2 through an internally composed planetary gear system. Specifically, the shuffling large disk 1 connected with the bearing gear outer ring 41 is used as an input end, the large disk driving motor and the gear transmission system are in transmission connection with the large disk driving gear ring 11 on the shuffling large disk 1 to drive the shuffling large disk 1 to rotate, and meanwhile, the rotary power of the shuffling large disk 1 is transmitted to the bearing gear outer ring 41 of the planet bearing 4 to synchronously rotate. Because the bearing gear inner ring 42 is locked and fixed relative to the central shaft seat 3, the bearing planet wheel retainer 43 which is used as a planet carrier is a power output end through the transmission principle of a planet gear, and drives the poker bar 2 to actively rotate at a differential speed relative to the large shuffling disc 1.

In the automatic mahjong machine applying the shuffling device of the embodiment, the large shuffling disk 1 and the mahjong tile shifting strip 2 can rotate continuously at a different speed to shift and shuffle mahjong tiles, the rotational assembly and the differential transmission assembly of the large shuffling disk 1 and the mahjong tile shifting strip 2 are realized through one planetary bearing 4, the assembly structure of the shuffling device is more compact, the relative rotation between the planetary bearings 4 is realized through the rolling engagement of planetary gears, and the noise and the wear are lower.

Example two

Referring to fig. 4 and 5, the card shuffling device shown in the figure is another embodiment of the present invention, and specifically comprises a card shuffling large plate 1, a card shifting strip 2, a central shaft seat 3, a planetary bearing 4 and a clutch 5. The large shuffling disk 1 and the large shuffling strips 2 are rotatably assembled on the central shaft seat 3 through the planet bearing 4, the large shuffling disk 2 is positioned above the large shuffling disk 1, and the planet bearing 4 is used as a rotating assembly part for assembling the large shuffling disk 1 and the large shuffling strips 2 on the central shaft seat 3 and also used as a transmission part between the large shuffling disk 1 and the large shuffling strips 2 to realize differential rotation between the large shuffling strips 2 and the large shuffling disk 1. The specific structure of the planet bearing 4 in this embodiment is the same as that of fig. 2 and 3 of the first embodiment, and is different from the first embodiment in that the bearing gear inner ring 42 of the planet bearing 4 is not directly fixedly sleeved with the central shaft base 3, the present embodiment controls the clutch with the bearing gear inner ring 42 of the planet bearing 4 through the clutch 5 mounted on the central shaft base 3, and controls the bearing gear inner ring 42 to switch between a locked state and a free state relative to the central shaft base 3, so as to switch the active differential rotation or the free state of the poker bar 2 relative to the shuffle platter 1.

During assembly, the bearing gear inner ring 42 of the planet bearing 4 is assembled on the central shaft seat 3 in an empty way; the inner ring installed at the center of the shuffling large disk 1 is fixedly sleeved on the bearing gear outer ring 41, a plurality of convex or concave circumferential limiting structures 411 are arranged on the outer circumference of the bearing gear outer ring 41, the inner ring installed at the center of the shuffling large disk 1 is provided with one-to-one circumferential limiting structures which are nested and assembled, and circumferential synchronous rotation between the shuffling large disk 1 and the bearing gear outer ring 41 is realized; the integral structure of the card-shifting strip 2 is the same as that of the existing shuffling device, a card-shifting strip central mounting seat 21 is arranged at the center of a spiral strip structure of the card-shifting strip 2, the card-shifting strip central mounting seat 21 is sleeved on a central shaft seat 3 in an empty mode and can rotate freely relative to the central shaft seat 3, meanwhile, the card-shifting strip central mounting seat 21 is also in coaxial transmission connection with a bearing planet wheel retainer 43 of a planet bearing 4, a plurality of card-shifting strip connecting rods 431 are arranged on the bearing planet wheel retainer 43, a plurality of corresponding connecting holes are formed in the card-shifting strip central mounting seat 21 of the card-shifting strip, and the card-shifting strip central mounting seat 21 and the bearing planet wheel retainer 43 synchronously rotate through the connecting holes in one-to-one nested connection and the card-shifting strip.

When the clutch 5 is switched to be in a separated state with the bearing gear inner ring 42, the bearing gear inner ring 42 is in a free state relative to the central shaft seat 3, at the moment, the bearing gear inner ring 42 is not stressed, the transmission of a planetary gear train in the planetary bearing 4 is interrupted, and the mahjong tiles on the shuffling large disk 1 cannot be shifted by the mahjong tile shifting strip 2; when the clutch 5 is switched to be combined with the bearing gear inner ring 42, the bearing gear inner ring 42 is in a locking state relative to the central shaft seat 3, at the moment, the planet bearing 4 is equivalent to the first embodiment, the shuffling large disk 1 connected with the bearing gear outer ring 41 is used as an input end, the large disk driving motor and the gear transmission system are in transmission connection with the large disk driving gear ring 11 on the shuffling large disk 1 to drive the shuffling large disk 1 to rotate, and meanwhile, the rotating power of the shuffling large disk 1 is transmitted to the bearing gear outer ring 41 of the planet bearing 4 to rotate synchronously. Because the bearing gear inner ring 42 is locked and fixed relative to the central shaft seat 3, the bearing planet wheel retainer 43 which is used as a planet carrier is a power output end through the transmission principle of a planet gear, and drives the poker bar 2 to actively rotate at a differential speed relative to the large shuffling disc 1.

Referring to fig. 4 and 5 again, the clutch 5 in this embodiment specifically includes a friction plate 45, a friction block 51, and a clutch lift pin 52 and a rocker arm 53 for driving the friction block 51, where the friction plate 45 is a circular friction plate coaxially fixed at the bottom of the bearing gear inner ring 42, and is a first clutch structure, the arrangement of the friction plate 45 does not affect the rotation of the bearing gear outer ring 41 and the bearing planet wheel holder 43, the friction block 51 is arranged at the top of the clutch lift pin 52, and is a second clutch friction structure, the clutch lift pin 52 is vertically guided and mounted on the central shaft base 3, the top is connected with the friction block 51 extending out below the friction plate 45, the bottom is in contact with the rocker arm 53, the rocker arm 53 is connected by a rotary driving member to rotate and swing, the rocker arm 53 and the clutch lift pin 52 constitute a reciprocating driving mechanism for driving the friction block 51 to move up and down, when the rocker arm, the clutch lifting ejector rod 52 is pushed to drive the friction block 51 to lift upwards, so that the friction block 51 is combined and pressed against the friction plate 45, the combination of the clutch is realized, and at the moment, the inner ring of the bearing gear is locked relative to the central shaft seat, as shown in fig. 5; when the rocker arm 53 swings downwards, the clutch lifting mandril 52 descends under the self gravity or the pushing of the return spring to realize the separation of the clutch, as shown in figure 4, and the inner ring of the bearing gear rotates freely relative to the central shaft base.

In the embodiment, the rocker arm 53 is used as a rotating element which is in contact with the clutch lifting mandril and drives the clutch lifting mandril to lift, and in practical application, other driving mechanisms which convert the rotating motion into reciprocating linear motion can be used, such as a cam mechanism which adopts a cam as an active rotating element or an eccentric wheel mechanism which adopts an eccentric wheel as an active rotating element.

The friction plate 45 and the friction block 51 adopted by the clutch 5 in the embodiment are of a friction type clutch structure, and an embedded clutch structure can also be adopted in practical application, for example, a plurality of positioning grooves are formed in the bottom of the bearing gear inner ring 42 along the circumference, and an embedded block capable of being embedded into the positioning grooves is arranged at the top of the clutch lifting ejector rod 52; or a magnetic attraction type clutch structure can be adopted, and magnetic attraction pieces/blocks which are mutually attracted are respectively arranged on the bearing gear inner ring 42 and the clutch lifting mandril 52.

In this embodiment, the motor 55 fixed to the center shaft base 3 by the motor bracket 56 alone is used as a rotary driving member of the clutch, and the motor 55 only controls 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) inside 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 action of the clutch.

EXAMPLE III

Referring to fig. 6-8, the shuffling device shown in the figure is a further implementation scheme of the second embodiment, and comprises a large shuffling plate 1, a large shuffling strip 2, a central shaft seat 3, a planetary bearing 4 and a clutch 5, wherein the clutch 5 controls the lifting of an operation panel of the automatic mahjong machine while controlling the clutch of the inner ring of a bearing gear of the planetary bearing 4, and the operation panel is arranged on the table top of the mahjong machine in a lifting mode and used for a user to operate the automatic mahjong machine. The assembly structure of the shuffling large plate 1 and the shuffling strip 2 is the same as that of the embodiment, and the detailed description of the embodiment is omitted. The clutch 5 of this embodiment also includes a friction plate 45, a friction block 51, a clutch lifting push rod 52 and a rocker arm 53 for driving the friction block 51, except that the rocker arm 53 in this embodiment is a double-head rocker arm having two rocker arms, the two rocker arms are an integrated structure, one of the two rocker arms controls the combination and separation of the clutch 5, the other rocker arm controls the lifting rod 62 in the operating panel arranged in the central shaft seat, and the lifting rod 62 in the operating panel drives the operating panel on the mahjong machine table to lift.

As shown in fig. 9, the friction block driving portion of the clutch 5 of the present embodiment further includes a friction block 51, a clutch lift pin 52, a rocker arm 53, a position sensor 54, a motor 55, and a motor bracket 56. The friction plate 45 of the coaxial fixed ring at the bottom of the bearing gear inner ring 42 is used as a first clutch structure, the friction plate 45 is arranged without influencing the rotation of the bearing gear outer ring 41 and the bearing planet wheel retainer 43, the friction block 51 as a second clutch structure is arranged at the top of the clutch lifting ejector rod 52 and is a second clutch friction structure, the clutch lifting ejector rod 52 is installed on the central shaft seat 3 along the vertical direction in a guiding manner, the central shaft seat 3 is provided with a circumferential extending structure for assembling the clutch lifting ejector rod 52 and the rocker arm 53, the top of the clutch lifting ejector rod 52 is connected with the friction block 51 and extends out of the lower part of the friction plate 45, and the bottom of the clutch lifting ejector rod is in contact with. The rocker arm 53 is in transmission connection with a motor 55 as a rotary driving member, and the motor 55 is fixed on one side of the central shaft seat 3 through a motor bracket 56.

Referring to fig. 10 in combination, the rocker arm 53 in this embodiment includes a first rocker 531 and a second rocker 532 that are integrated along a same straight direction, a rocker arm mounting seat 534 is disposed between the first rocker 531 and the second rocker 532, and the entire rocker arm 53 is fixedly sleeved on a motor shaft of the motor 55 through the rocker arm mounting seat 534. The first swing link 531 of the rocker 53 is used for controlling the clutch lifting mandril 52, the second swing link 532 is used for controlling the operating panel lifting level rod 61, and the end parts of the first swing link 531 and the second swing link 532 are respectively provided with a roller 533 which is in rolling contact with the clutch lifting mandril 52 and the operating panel lifting mandril 61.

The way of driving the clutch lifting ejector rod 52 by the first swing link 531 of the rocker 53 is the same as that of the embodiment, as shown in fig. 11, the clutch lifting ejector rod 52 includes a horizontal support rod 521 and two lifting guide rods 522, the two lifting guide rods 522 are respectively vertically connected to two ends of the horizontal support rod relative to the horizontal support rod 521 to form a U-shaped rod, the clutch lifting ejector rod 52 is vertically and directionally installed in the guide hole of the central shaft seat 3 through the two parallel lifting guide rods 522, the lifting guide rods 522 are provided with limiting steps 523 for limiting the falling and falling of the lifting guide rods 522 from the guide hole of the central shaft seat, and meanwhile, the limiting steps 523 also limit the separation limit position of the friction block 51 and the friction plate 45. The horizontal support rod 521 is horizontally arranged at the bottom and is in contact with the rocker arm 53, and the horizontal support rod 521 should be located in the swinging plane of the rocker arm 53, so that the rocker arm 53 can contact the bottom of the horizontal support rod 521 and lift the combined lifting ejector rod 52 upwards integrally in the swinging process. When the clutch lifting ejector rod 52 controls the clutch to be separated, the clutch lifting ejector rod can descend through the gravity of the clutch lifting ejector rod 52, a return spring can be sleeved on the lifting ejector rod 52 between the horizontal support rod 521 and the guide hole passage of the central shaft seat, and the clutch can be quickly separated by the aid of elastic acting force of the compressed return spring.

The mode of the second swing link 532 of the rocker 53 controlling the lifting rod 62 in the operating panel is similar to that of a clutch, the bottom of the lifting rod 62 in the operating panel extends to the bottommost position of the rocker 53, the operating panel lifting horizontal rod 61 arranged along a horizontal square is fixedly arranged at the bottom of the lifting rod 62 in the operating panel, in the process of upward swinging through the second swing link 532, the lifting horizontal rod 61 in the operating panel is contacted and pushes the operating panel lifting horizontal rod 61 to drive the lifting rod 62 in the operating panel to lift upwards, in order to ensure that the second swing link 532 can be contacted with the operating panel horizontal rod 61 in the process of upward swinging of the lower semicircle, rollers on the second swing link 532 protrude out of two sides of the first swing link. The descending limit position of the operating panel ascending level rod 61 should ensure that the roller on the second swing link 532 does not contact the operating panel ascending level rod 61 in the process that the first swing link 531 of the rocker arm 53 swings upwards to control the clutch combination, and only when the first swing link 531 swings downwards and the second swing link 532 swings upwards, the operating panel ascending level rod 61 can be pushed to drive the operating panel middle ascending rod 62 to ascend upwards. The embodiment aims to provide a technical scheme that the clutch of the shuffling device and the operation panel can be driven to lift up respectively through the same reciprocating driving mechanism, and the specific lifting installation structure of the lifting rod 62 connected with the operation panel in the operation panel refers to the existing automatic mahjong machine, and the embodiment is not repeated herein.

The rocker arm 53 is driven by a motor 55 to rotate and swing, the rocker arm 53 and the clutch lifting ejector rod 52 form a reciprocating driving mechanism for driving the friction block 51 to lift up and down, when the first swing rod 531 of the rocker arm 53 swings upwards, a roller on the rocker arm 53 pushes the clutch lifting ejector rod 52 to drive the friction block 51 to lift up, so that the friction block 51 is combined and pressed against the friction plate 45, the combination of the clutch is realized, and at the moment, the inner ring of the bearing gear is locked with the central shaft seat, as shown in fig. 7; when the first swing link 531 of the rocker arm 53 swings downward, the clutch lifting ejector rod 52 descends under the pushing of the self gravity or the return spring to realize the separation of the clutch, at this time, the inner ring of the bearing gear freely rotates relative to the central shaft base, as shown in fig. 6, when the first swing link 531 of the rocker arm 53 continuously swings downward, in the process that the second swing link 532 swings in the opposite direction, the roller on the second swing link pushes the operation panel lifting horizontal rod 61 to drive the lifting rod 62 in the operation panel to lift upward, and when the second swing link 532 swings upward to the highest position, the operation panel connected with the lifting rod 62 in the operation panel lifts to the highest position, as shown in fig. 8.

Referring to fig. 9 again, in order to accurately control the swing position of the rocker arm 53 and achieve the engagement and disengagement of the clutch and the accurate positioning control of the operating panel, the clutch 5 of the present embodiment further includes a positioning sensor 54 for feedback control of the states of the clutch and the operating panel, as shown in fig. 12, the positioning sensor 54 includes three sets of inductive heads respectively corresponding to the swing positions of the double-ended rocker arm 53, the three sets of inductive heads are respectively fixed on the sensor support on the center pedestal, wherein the first inductive head 541 swings to the position where the friction block and the friction plate are combined corresponding to the double-head rocker arm 53 of the clutch 5, the second inductive head 542 is 180 degrees different from the first inductive head 541, corresponding to the position that the double-ended rocker arm 53 swings to lift the operating panel to the proper position, the third inductive head 543 is located between the first inductive head 541 and the second inductive head 542, and is disposed closer to the first sensing head 541 corresponding to the double-headed rocker arm 53 of the clutch 5 swung to a position where the friction pads are separated from the friction plates. The inductive head can adopt a proximity switch, and an inductive block 535 for triggering the proximity switch is arranged on one swing rod of the double-head swing arm 53.

Example four

Referring to fig. 13, the card shuffling device shown in the figure is another embodiment of the present invention, and specifically comprises a card shuffling large plate 1, a card shuffling bar 2, a central shaft seat 3, a planetary bearing 4 and a clutch 5. The large shuffling disk 1 and the large shuffling strips 2 are rotatably assembled on the central shaft seat 3 through the planet bearing 4, the large shuffling disk 2 is positioned above the large shuffling disk 1, and the planet bearing 4 is used as a rotating assembly part for assembling the large shuffling disk 1 and the large shuffling strips 2 on the central shaft seat 3 and also used as a transmission part between the large shuffling disk 1 and the large shuffling strips 2 to realize differential rotation between the large shuffling strips 2 and the large shuffling disk 1. The specific structure of the planet bearing 4 in this embodiment is the same as that of fig. 2 and 3 of the first embodiment, and is different from the first embodiment in that the bearing gear inner ring 42 of the planet bearing 4 is not directly fixedly sleeved with the central shaft base 3, the present embodiment controls the clutch with the bearing gear inner ring 42 of the planet bearing 4 through the clutch 5 mounted on the central shaft base 3, and controls the bearing gear inner ring 42 to switch between a locked state and a free state relative to the central shaft base 3, so as to switch the active differential rotation or the free state of the poker bar 2 relative to the shuffle platter 1.

The clutch 5 in this embodiment specifically includes an attraction plate 71 and an electromagnet 72, wherein the attraction plate 71 is a circular ring iron plate or a magnetic plate coaxially fixed at the bottom of the bearing gear inner ring 42, and is a first clutch structure, the arrangement of the attraction plate 71 does not affect the rotation of the bearing gear outer ring 41 and the bearing planet wheel holder 43, the attraction plate 71 is arranged at the top of the electromagnet 72, the electromagnet 72 is a second clutch friction structure, the electromagnet 72 is installed on the central shaft seat 3, the bottom of the attraction plate 71 is in contact with the top of the electromagnet 72 but can rotate freely, when the electromagnet 72 is electrified to generate magnetic force, the bottom of the attraction plate 71 and the top of the electromagnet 72 are tightly attracted together and can not rotate freely, and the combination of the clutch is realized; when electromagnet 72 loses its electromagnetic force and disappears, the clutch is disengaged, as shown in fig. 13.

The rotary driving member in the embodiment is a motor, and in practical application, a power output device of other mechanisms can be adopted to share one power motor with other mechanisms through a connecting rod or a gear.

EXAMPLE five

The planetary bearings in the above four embodiments are all cylindrical gears, and in practical application, the planetary bearings may also adopt the bevel gear planetary gear train in fig. 14.

Specifically, the planetary bearing 4 in the present embodiment includes a bearing gear lower ring 41 ', a bearing gear upper ring 42', a bearing planet carrier 43, and a bearing planet 44. The lower bearing gear ring 41 'and the upper bearing gear ring 42' are coaxially arranged according to the upper position and the lower position, the upper surface of the lower bearing gear ring 41 'and the lower surface of the upper bearing gear ring 42' are processed with opposite conical gear teeth, the bearing planet gears 44 are conical gears, and a plurality of bearing planet gears 44 are uniformly distributed in an annular space between the lower bearing gear ring 41 'and the upper bearing gear ring 42' and are meshed with the conical gear teeth of the lower bearing gear ring and the upper bearing gear ring simultaneously to form a planet gear train arrangement. All the bearing planet wheels 44 are rotatably mounted on a bearing planet wheel holder 43, and the bearing planet wheel holder 43 is arranged around the outer circumference of the bearing gear lower ring 41 'and the bearing gear upper ring 42' and is rotatably mounted relative to the bearing gear lower ring 41 'and the bearing gear upper ring 42'.

During assembly, the upper ring 42' of the bearing gear of the planet bearing 4 is fixedly sleeved on the central shaft seat through the tooth groove structure of the inner ring and is fixedly assembled relative to the central shaft seat 3; the inner ring arranged at the center of the shuffling large disk 1 is fixedly sleeved on the bearing gear lower ring 41 ', a plurality of mounting hole positions are arranged on the outer circumference of the bearing gear lower ring 41 ' and are coaxially and fixedly assembled with the shuffling large disk, so that the circumferential synchronous rotation between the shuffling large disk and the bearing gear lower ring 41 ' is realized; the integral structure of the poker shifting strip is the same as that of the existing shuffling device, a central mounting seat of the poker shifting strip is arranged at the center of a spiral strip-shaped structure of the poker shifting strip, the central mounting seat of the poker shifting strip is sleeved on a central shaft seat in an empty mode and can rotate freely relative to the central shaft seat, the central mounting seat of the poker shifting strip is connected with a bearing planet wheel retainer 43 of a planet bearing 4 in a coaxial transmission mode, the specific transmission connection mode is the same as that of the first embodiment to the fourth embodiment, a plurality of poker shifting strip connecting rods 431 are arranged on the bearing planet wheel retainer 43, a plurality of corresponding connecting holes are formed in the central mounting seat of the poker shifting strip, and the connecting holes of the poker shifting strip central mounting seat in one-to-one nested connection and the poker shifting strip connecting rods 431 are.

The planetary bearing 4 in the embodiment not only has the function of a rolling bearing, but also can realize the differential rotation between the shuffling large disc and the shuffling bars through an internally composed planetary gear system. Specifically, the shuffling large disk connected with the lower ring 41 'of the bearing gear is used as an input end, the large disk driving motor and the gear transmission system are in transmission connection with a large disk driving gear ring on the shuffling large disk to drive the shuffling large disk to rotate, and meanwhile, the rotary power of the shuffling large disk is transmitted to the lower ring 41' of the bearing gear of the planet bearing 4 to synchronously rotate. Because the upper ring 42' of the bearing gear is locked and fixed relative to the central shaft seat 3, the bearing planet wheel retainer 43 as a planet carrier is a power output end through the transmission principle of the planet gear, and drives the poker bar 2 to actively rotate at a differential speed relative to the shuffling large disc 1.

In the automatic mahjong machine applying the shuffling device of the embodiment, the shuffling large disc and the mahjong pieces shifting strips can rotate continuously at a different speed to shift and shuffle the mahjong pieces, the rotational assembly and the differential transmission assembly of the shuffling large disc and the mahjong pieces shifting strips are realized through one planetary bearing 4, the assembly structure of the shuffling device is more compact, the relative rotation between the planetary bearings 4 is realized through the rolling engagement of a planetary gear train of a bevel gear, the transmission efficiency is more reliable, and the noise is lower.

The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The shuffling device comprises a shuffling large disk and a shuffling bar above the shuffling large disk, and is characterized in that:

the card shuffling large disc and the card shuffling bars are rotatably assembled on the central shaft seat through the planetary bearing;

the planet bearing comprises a bearing gear outer ring, a bearing gear inner ring, a bearing planet wheel retainer and a plurality of bearing planet wheels which are arranged in a planetary gear train, wherein the bearing planet wheels are assembled on the bearing planet wheel retainer, are packaged between the bearing gear outer ring and the bearing gear inner ring through the bearing planet wheel retainer, and are simultaneously meshed with inner teeth of the bearing gear outer ring and outer teeth of the bearing gear inner ring;

the shuffling large disc is fixedly sleeved on the outer ring of the bearing gear, the shuffling bars are connected with the bearing planet wheel retainer, and the inner ring of the bearing gear is fixedly arranged relative to the central shaft seat.

2. The card shuffling device of claim 1, wherein: the bearing planet wheel retainer is provided with a plurality of poker shifting bar connecting rods which are nested with the central mounting seats of the poker shifting bars.

3. The shuffling device comprises a shuffling large disk and a shuffling bar above the shuffling large disk, and is characterized in that:

the card shuffling large disc and the card shuffling bars are rotatably assembled on a central shaft seat through the planetary bearing;

the shuffling large disc is fixedly sleeved on the bearing gear outer ring, the shuffling bar bearing planet wheel retainer is connected, the bearing gear inner ring is connected with the clutch, and the bearing gear inner ring is controlled to be switched between a locking state and a free state relative to the central shaft seat.

4. The card shuffling device of claim 3, wherein: the bearing planet wheel retainer is provided with a plurality of poker shifting bar connecting rods which are nested with the central mounting seats of the poker shifting bars.

5. The card shuffling device of claim 3, wherein: the clutch comprises a first clutch structure arranged on the inner ring of the bearing gear, a second clutch structure combined with and separated from the first clutch structure, and a reciprocating driving mechanism for driving the second clutch structure to be combined with and separated from the first clutch structure.

6. The card shuffling device of claim 5, wherein: the first clutch structure is fixed at the bottom of the inner ring of the bearing gear, the reciprocating driving mechanism comprises a clutch lifting ejector rod and a rotary driving piece, the clutch lifting ejector rod and the rotary driving piece are installed on the central shaft seat in a guiding mode, the rotary driving piece is in contact with the clutch lifting ejector rod through driving a rotating element, the rotary motion of the rotary driving piece is converted into the reciprocating linear motion of the clutch lifting ejector rod, and the second clutch structure is fixed at the top of the clutch lifting ejector rod.

7. The card shuffling device of claim 6, wherein: the rotating element is a swing rod, a cam or an eccentric wheel.

8. The card shuffling device of claim 6, wherein: the rotating element is a double-end rocker arm with two swing rods, wherein one swing rod correspondingly drives the clutch lifting ejector rod, and the other swing rod correspondingly drives the operating panel of the automatic mahjong machine to lift.

9. The card shuffling device of claim 6, wherein: the rotary driving member is a motor.

10. The card shuffling device of claim 8, wherein: 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 joint position of first separation and reunion structure and second separation and reunion structure's separation position and the jacking position of operation panel respectively.

11. The card shuffling device of claim 7 or 8, wherein: and a return spring for controlling the separation of the second clutch structure and the first clutch structure is further arranged between the clutch lifting ejector rod and the central shaft seat, and a limiting step for limiting the separation limit position of the second clutch structure and the first clutch structure is arranged on the clutch lifting ejector rod.

12. The card shuffling device of claim 5, wherein: the first clutch structure and the second clutch structure are friction type clutch structures, embedded type clutch structures or magnetic type clutch structures.

13. Automatic mahjong machine, its characterized in that: use of the card shuffling device of any of claims 1-12.