CN210355978U

CN210355978U - Shuffling and central lifting linkage device of full-automatic mahjong machine

Info

Publication number: CN210355978U
Application number: CN201920160605.5U
Authority: CN
Inventors: 王彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-04-21
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses a shuffling and central lifting linkage device of a full-automatic mahjong machine, which comprises a shuffling mechanism and a central lifting mechanism which are arranged in a base, wherein the shuffling mechanism comprises a shuffling big disk, the central lifting mechanism comprises a lifting rod, a first through hole for the lifting rod to pass through is arranged in the central part of the shuffling big disk, a driving mechanism for driving the shuffling big disk to rotate is arranged on the bottom surface or the periphery of the shuffling big disk, and a one-way transmission mechanism is arranged between the driving mechanism and the lifting rod or between the shuffling big disk and the lifting rod. Because the actions of the shuffling large disc and the lifting rod are not completely synchronous, the present application adopts the one-way transmission mechanism to realize the transmission between the driving mechanism and the lifting rod, the present application provides two setting modes of the one-way transmission mechanism, but in any mode, only one driving mechanism is adopted to drive the shuffling large disc and the lifting rod together, and the manufacturing cost and the running cost are reduced.

Description

Shuffling and central lifting linkage device of full-automatic mahjong machine

Technical Field

The utility model belongs to the technical field of full-automatic mahjong machine, concretely relates to shuffle and central lift aggregate unit of full-automatic mahjong machine.

Background

Mahjong is a popular entertainment tool in the world, and the full-automatic mahjong machine with the automatic shuffling and stacking functions can avoid the trouble of manual shuffling and stacking of players, so the full-automatic mahjong machine is popular. The full-automatic mahjong machine generally comprises a base provided with a shuffling barrel and a panel covered on the base, wherein the center of the panel is provided with a mahjong tile returning hole for pushing mahjong tiles on the panel into the shuffling barrel, and the base is internally provided with a central lifting mechanism, a shuffling mechanism, a mahjong tile pushing and stacking mechanism, a mahjong tile feeding mechanism and a mahjong tile lifting and bearing mechanism.

Taking the shuffling mechanism of the mahjong machine disclosed in chinese utility model with patent number CN201721254591.0 as an example, the shuffling mechanism in the prior art generally comprises a big shuffling disk rotatably mounted in a shuffling barrel and a big disk driving motor for driving the big shuffling disk to rotate, teeth are arranged on the outer periphery of the big shuffling disk, and the big disk driving motor drives the big shuffling disk to rotate through a gear engaged with the teeth.

Taking the chinese utility model patent application publication with application number CN201710626792.7 as an example, the central lifting mechanism in the prior art includes a lifting rod, through holes for the lifting rod to pass through are both provided at the centers of the base and the shuffling large plate, and a lifting driving unit for driving the lifting rod to lift is provided below the base; the top end of the lifting rod is provided with an operation panel which is matched with the mahjong tile returning hole in size, when the operation panel is lifted, the mahjong tile returning hole is opened, and at the moment, mahjong tiles can be pushed into the mahjong tile shuffling barrel; when the operation board is lowered to be level with the panel, the mahjong tile returning hole is shielded, and the mahjong game can be played.

Therefore, in the prior art, the driving motor of the big shuffling disk is arranged at the periphery of the big shuffling disk, and the lifting driving unit is arranged below the base, so that the big shuffling disk and the lifting rod need different driving mechanisms to drive, and the mahjong machine has a complex structure, large occupied space and high driving cost.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide a shuffling and central lifting linkage device of a full-automatic mahjong machine, which adopts the same driving mechanism to drive a shuffling large disk and a lifting rod.

In order to achieve the above purpose, the technical solution of the present application is as follows:

the shuffling and central lifting linkage device of the full-automatic mahjong machine comprises a shuffling mechanism and a central lifting mechanism which are arranged in a base, wherein the shuffling mechanism comprises a shuffling large disk, the central lifting mechanism comprises a lifting rod, a first through hole for the lifting rod to pass through is formed in the center of the shuffling large disk, a driving mechanism for driving the shuffling large disk to rotate is arranged on the bottom surface or the periphery of the shuffling large disk, and a one-way transmission mechanism is arranged between the driving mechanism and the lifting rod or between the shuffling large disk and the lifting rod.

The shuffling action of the shuffling large disc and the lifting action of the lifting rod are not synchronous, so that the one-way transmission mechanism is adopted to realize the transmission between the driving mechanism and the lifting rod, when the driving mechanism is arranged on the peripheral edge of the shuffling large disc, the one-way transmission mechanism is arranged between the shuffling large disc and the lifting rod, when the driving mechanism is arranged on the bottom surface of the shuffling large disc, the first one-way transmission mechanism is directly arranged between the output shaft of the large disc driving motor and the lifting rod, and no matter which arrangement mode is adopted, the driving mechanism is saved, the purpose that the shuffling mechanism and the central lifting mechanism can be driven by one driving motor is realized, and the manufacturing cost and the running cost are reduced.

The application provides two modes of driving the shuffling large disc to rotate by the large disc driving motor, one of which is as follows: the driving mechanism comprises a large disk driving motor, the bottom surface of the shuffling large disk is provided with an internal gear which is concentrically arranged with the first through hole, and an output shaft of the large disk driving motor is provided with a driving gear which is meshed with the internal gear.

The second step is as follows: the outer periphery of the shuffling big disc is provided with a fluted disc, and an output shaft of the big disc driving motor is provided with a driving gear meshed with the fluted disc; the bottom surface of the big shuffling plate is provided with an internal gear which is concentric with the first through hole, and the one-way transmission mechanism is arranged between the internal gear and the lifting rod.

The transmission effect of the two transmission modes is the same, but the first mode transfers the drive motor of the large shuffling disk to the bottom surface of the base from the peripheral edge of the large shuffling disk, can reduce the occupied area of the whole machine, and is more preferable. Since the present application focuses on the description of the unidirectional transmission mechanism in the first drive mode.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, the central lifting mechanism comprises a base fixed on a base, and a lifting rod is in sliding fit with the base;

the one-way transmission mechanism comprises:

the rocker arm is rotatably arranged on the base and used for jacking the lifting rod;

and the reversing transmission gear set is arranged between the output shaft of the large disk drive motor and the rocker arm.

The rocker arm is supported at the bottom end of the lifting rod, the driving force of the large-disk driving motor is transmitted to the rocker arm through the reversing transmission gear set, and when the rocker arm is driven to rotate relative to the base, the 'top' (driving the lifting rod to ascend) or 'support' (providing supporting force for the descending lifting rod) action of the lifting rod can be realized, so that the stable ascending and descending of the lifting rod are ensured.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, the base comprises a base body arranged between a base and a shuffling large plate, the bottom of the base body is provided with a U-shaped support, a lifting rod is slidably arranged on the U-shaped support, and a circumferential limiting piece for preventing the lifting rod from rotating circumferentially is arranged between the lifting rod and the U-shaped support; the base body is internally provided with a central channel for the lifting rod to pass through, the center of the shuffling large disk is provided with a first through hole for the lifting rod to pass through, the center of the base is provided with a second through hole for the U-shaped support and the lifting rod to pass through, and the first through hole, the central channel and the second through hole are coaxially arranged.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, the circumferential limiting piece comprises two guide sliding chutes which are oppositely arranged on the U-shaped bracket, and the length extension direction of each guide sliding chute is consistent with the lifting direction of the lifting rod; the bottom end of the lifting rod is radially provided with a circumferential limiting rod, and two ends of the circumferential limiting rod respectively penetrate through corresponding guide chutes and are provided with idler wheels in rolling fit with the guide chutes

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, the inner diameter of the central channel is gradually reduced from the bottom end to the top end, a centering block is arranged at the bottom end of the central channel, a centering hole for a lifting rod to pass through is formed in the center of the centering block, and the lifting rod is in clearance fit with the centering hole. The central passage that is cascaded and reduces is for the convenience of assembling the lifter, but this kind of central passage is unfavorable for the steady lift of lifter, and has good additional action to this to the centering block, can also reduce the friction between central passage inner wall and the lifter simultaneously to improve transmission efficiency.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, a rocker arm seat arranged in parallel with a U-shaped support is fixedly arranged on the base at the bottom end of a central channel, the rocker arm is rotatably arranged on the rocker arm seat through a core shaft, and a transmission piece is arranged between the rocker arm and a lifting rod.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, the transmission piece comprises a transmission seat fixed on the periphery of the lifting rod, one side of the transmission seat facing the rocker arm is provided with an expansion wing plate, the first rocker is abutted against the bottom surface of the expansion wing plate, and the distance between the first rocker and the two end surfaces of the expansion wing plate is larger than or equal to the action radius of the first rocker. The expansion wing plate can improve a larger action range for the rocker arm under the condition of not changing the diameter of the supporting rod, and the rocker arm can be ensured to always support the supporting rod.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, the top end of the lifting rod is provided with an operating panel, a main control board is arranged in the operating panel, one end of the first rocker or the first connecting rod facing the rocker seat is provided with a magnet, and one side of the rocker seat facing the U-shaped bracket is provided with a sensor connected with the main control board; the sensor is provided with two sensing points, and the positions of the two sensing points respectively correspond to the highest point and the lowest point of an action path of a magnet on the first rocker; the main control board is used for receiving the output signal of the sensor and controlling the start, stop and steering of the large disk drive motor according to the output signal.

When the rocker arm moves upwards, the lifting rod and the operating panel move upwards along with the rocker arm, and when the sensor detects that the rocker arm reaches the highest point of the action path, the main control board suspends the drive motor of the large panel, so that a user can push mahjong tiles into the tile returning hole and fall onto the shuffling large panel; after the card pushing is finished, the user operates the operation panel, the main control panel starts the large panel driving motor again, and the rocker arm moves downwards; in the process of ascending and descending of the rocker arm, the shuffling large disc rotates, but only when the rocker arm descends, the shuffling large disc bears mahjong tiles and can carry out shuffling operation; when the sensor detects that the rocker arm reaches the lowest point of the action path, the operation panel covers the mahjong tile returning hole, the main control panel changes the rotation direction of the large-panel driving motor, the rocker arm does not act, and only the shuffling operation is carried out.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, a semicircular welding plate is fixedly installed on one side of the rocker arm seat facing the U-shaped support, two sensing points of a sensor are respectively installed at two opening ends of the semicircular welding plate, the middle part of the semicircular welding plate extends outwards to form an ear part, and a connecting terminal connected with a main control board is arranged on the ear part.

In the shuffling and central lifting linkage device of the full-automatic mahjong machine, the reversing transmission gear set comprises a first bevel gear arranged on an output shaft of a driving gear, one end of a mandrel penetrating through a rocker arm seat is provided with a second bevel gear meshed with the first bevel gear, and at least one-way bearings are arranged between the driving gear and an output shaft of a large disk driving motor, between the first bevel gear and the output shaft of the large disk driving motor, between the second bevel gear and the mandrel or between the mandrel and the rocker arm seat. The one-way bearing ensures that the reversing transmission gear set can transmit only when the large-disc conveying motor rotates towards a certain direction, and the one-way bearing can be arranged at any position or a plurality of positions simultaneously.

Compared with the prior art, the beneficial effect of this application is embodied in:

the shuffling action of the shuffling large disc and the lifting action of the lifting rod are not synchronous, so that the one-way transmission mechanism is adopted to realize the transmission between the driving mechanism and the lifting rod, when the driving mechanism is arranged on the peripheral edge of the shuffling large disc, the one-way transmission mechanism is arranged between the shuffling large disc and the lifting rod, when the driving mechanism is arranged on the bottom surface of the shuffling large disc, the second one-way transmission mechanism is directly arranged between the output shaft of the large disc driving motor and the lifting rod, and in any arrangement mode, the driving mechanism is saved, the purpose that the shuffling mechanism and the central lifting mechanism can be driven by one driving motor is realized, and the manufacturing cost and the running cost are reduced.

Drawings

FIG. 1 is a schematic structural view of a shuffling and central lifting linkage device of a full-automatic mahjong machine of the utility model;

FIG. 2 is a schematic structural view of the central lifting mechanism of FIG. 1;

FIG. 3 is a schematic view of the central lifting mechanism shown in FIG. 2 from another perspective;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic structural view of the one-way transmission mechanism of FIG. 1;

FIG. 7 is a schematic structural view of the mahjong machine provided with the shuffling and central lifting linkage device of the full-automatic mahjong machine of the utility model;

FIG. 8 is a schematic view of the explosion structure of the mahjong machine provided with the shuffling and central lifting linkage device of the full-automatic mahjong machine of the present invention;

fig. 9 is an explosion structure diagram of the mahjong machine with the shuffling and central lifting linkage device of the full-automatic mahjong machine of the utility model under another visual angle.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

Example 1

As shown in fig. 7, 8 and 9, the roller coaster type full-automatic mahjong machine comprises a base 1, wherein the base 1 comprises a bottom plate 11 and an integrated part 12 fixedly arranged on the bottom plate 11, and the center of the integrated part 12 is provided with a shuffling barrel 121; as shown in fig. 1, the shuffling and central lifting linkage device of the fully automatic mahjong machine of the embodiment comprises a shuffling mechanism 2 and a central lifting mechanism 3, wherein the shuffling mechanism 2 is arranged between a bottom plate 11 and an integrated member 12, the central lifting mechanism 3 is arranged in a base 1 and a shuffling barrel 121, and a panel (not shown in the figure) is arranged on the top surface of the integrated member 12.

As shown in fig. 1 and fig. 8 and 9, the shuffling mechanism 2 of the present embodiment comprises a large shuffling tray 21 rotatably mounted between a bottom plate 11 and an integrally formed member 12, the large shuffling tray 21 is located below a shuffling barrel 121, the top center of the large shuffling tray 21 is a tapered surface 211 for allowing mahjong tiles to slide from the center of the large shuffling tray to the periphery of the large shuffling tray, and the outer periphery of the top surface of the large shuffling tray 21 is a flat surface for receiving the mahjong tiles sliding down from the tapered surface 211.

As shown in fig. 1 and 8, the bottom surface of the shuffling large disk 21 is provided with a driving mechanism 4 for driving the shuffling large disk 21 to rotate, the driving mechanism 4 comprises a large disk driving motor 41 fixedly arranged on the bottom plate 11, and an internal gear 42 which is fixed on the bottom surface of the shuffling large disk 21 and is coaxially arranged with the shuffling large disk 21; the output shaft of the large-disk drive motor 41 passes through the bottom plate 11 and extends to the lower part of the large shuffling disk 21, the large-disk drive motor 41 drives the large shuffling disk 21 to rotate by the engagement of the drive gear 43 arranged on the output shaft thereof and the internal gear 42, the large shuffling disk 21 shuffles in the rotating process, and the mahjong tiles slide to the periphery of the large shuffling disk 21 along the top surface of the large shuffling disk 21 while being shuffled, so that the mahjong tiles are magnetically sucked and then conveyed by the tile taking and conveying mechanism 6.

In the present embodiment, the internal gear 42 is provided integrally with the shuffle platter 21; and a plurality of reinforcing ribs 22 are arranged between the outer periphery of the inner gear 42 and the bottom surface of the shuffling large disk 21, and the reinforcing ribs 22 extend along the radial direction of the shuffling large disk 21 and are uniformly arranged on the outer periphery of the inner gear 42 in the circumferential direction. The reinforcing ribs 22 are also integrally provided with the shuffle platter 21, and the connecting surface between the reinforcing ribs 22 and the bottom surface of the shuffle platter 21 is wedge-shaped (the reinforcing ribs 22 are also wedge-shaped), which is adapted to the taper of the shuffle platter 21.

As shown in fig. 1 and 2 and seen in fig. 7 and 9, the central lifting mechanism 3 of the present embodiment includes a base 31 mounted on the bottom plate 11, the base 31 includes a base body 311 mounted between the bottom plate 11 and the shuffle board 21, the bottom of the base body 311 has a U-shaped support 312, the U-shaped support 312 has a lifting rod 32 slidably mounted thereon, and a circumferential limiting member 35 for preventing the lifting rod 32 from rotating circumferentially is disposed between the lifting rod 32 and the U-shaped support 312; a central channel 3111 for the lifting rod 32 to pass through is arranged in the base body 311, a first through hole 212 for the lifting rod 32 to pass through is arranged in the center of the shuffle board 21, a second through hole 111 for the U-shaped bracket 312 and the lifting rod 32 to pass through is arranged in the center of the bottom plate 11, and the first through hole 212, the central channel 3111 and the second through hole 111 are coaxially arranged; the lifting rod 32 is provided with an operation panel through one end (namely the top end) of the shuffling large disc 21, a card returning hole matched with the operation panel is arranged on a panel arranged on the top surface of the base 1, and the mahjong tiles on the panel can return into the shuffling barrel 121 through the card returning hole; a main control board is arranged in the operation panel.

The circumferential limiting member 35 of the present embodiment includes two guiding sliding grooves 351 oppositely disposed on the U-shaped bracket 312, and a length extending direction of the guiding sliding grooves 351 is consistent with a lifting direction of the lifting rod 32; the bottom end of the lifting rod 32 is provided with a circumferential limiting rod 352 in the radial direction, two ends of the circumferential limiting rod 352 respectively penetrate through the corresponding guide chutes 351, and two ends of the circumferential limiting rod 352 are provided with rollers 353 which are in rolling fit with the guide chutes 351.

As shown in fig. 4, the inner diameter of the central passage 3111 is gradually reduced from the bottom end to the top end, a centering block 313 is installed in the central passage 3111 at the bottom end of the central passage 3111, a centering hole for the lift rod 32 to pass through is formed in the center of the centering block 313, and the lift rod 32 is in clearance fit with the centering hole.

As shown in fig. 4 and 5, the centering block 313 has an outer ring 3131 closely attached to the inner wall of the central passage 3111 and an inner ring 3132 in clearance fit with the lifting rod 32, the outer ring 3131 and the inner ring 3132 are connected in a U-shape, a plurality of supporting plates 3133 radially arranged are circumferentially distributed in an annular chamber defined by the outer ring 3131 and the inner ring 3132, the annular chamber is divided into a plurality of deformation chambers 3134 by the supporting plates 3133, and the outer ring 3131, the inner ring 3132 and the supporting plates 3133 are all integrally arranged. And, a plurality of strip-shaped deformation grooves 3135 are formed on the inner peripheral wall of the centering hole, and the length extension direction of all the deformation grooves 3135 is the same as the lifting direction of the lifting rod 32.

In this embodiment, the lifting of the lifting rod 32 is also driven by the large disk drive motor 41, and the rotation of the large disk drive motor 41 is transmitted to the lifting rod 32 through the one-way transmission mechanism 5. As shown in fig. 1, 6 and 7, the unidirectional transmission mechanism 5 of the present embodiment further includes a rocker arm base 51 fixedly mounted on the bottom surface of the bottom plate 11, the rocker arm base 51 is parallel to the U-shaped bracket 312 and is rotatably mounted with a rocker arm 52, and the rocker arm 52 is rotatably connected with the rocker arm base 51 through a mandrel 521; the spindle 521 is connected with the output shaft of the large disc driving motor 41 through a reversing transmission gear set in a transmission manner so as to prop up the lifting rod 32, and a transmission member is arranged between the rocker arm 52 and the lifting rod 32.

In this embodiment, the reversing transmission gear set includes a first bevel gear 53 mounted on the output shaft of the large disk drive motor 41, a second bevel gear 54 engaged with the first bevel gear 53 is mounted on the end of the spindle 521 passing through the rocker arm base 51, and a one-way bearing 57 is provided between the first bevel gear 53 and the output shaft of the large disk drive motor 41, between the second bevel gear 54 and the rocker arm 52, or between the spindle 521 and the rocker arm base 51. The large disk drive motor 41 performs the shuffling operation when driving the rotation of the shuffling large disk 21, but the shuffling operation is not synchronous with the lifting operation of the lifting rod 32 and the operation disk, so a one-way bearing 57 needs to be arranged on the transmission path of the large disk drive motor 41 and the lifting rod 32 to ensure the one-way transmission and ensure that each mechanism keeps a relatively independent working state. The one-way bearing 57 may be provided at any position between the first bevel gear 53 and the output shaft of the large disk drive motor 41, between the second bevel gear 54 and the rocker arm 52, or between the stem 521 and the rocker arm base 51, or may be provided at a plurality of positions at the same time, or may even be provided between the drive gear 43 and the output shaft of the large disk drive motor 41, as the case may be.

As shown in fig. 2 and 4, in the present embodiment, the transmission member includes an annular transmission seat 55 fixedly disposed on the outer periphery of the lifting rod 32, and a circumferential limiting rod 352 at the bottom end of the lifting rod 32 sequentially passes through the lifting rod 32 and the transmission seat 55 and then extends into the guide chute 351; the side of the transmission seat 55 facing the swing arm 52 is provided with an extension wing plate 56, and the extension wing plate 56 and the transmission seat 55 can be integrally arranged or detachably fixedly connected.

The rocker arm 52 abuts against the bottom surface of the expansion flap 56, and the distance between the rocker arm 52 and both end surfaces of the expansion flap 56 is equal to or greater than the operating radius of the rocker arm 52. Therefore, the rocker arm 52 always abuts against the bottom surface of the expansion wing plate 56 no matter which rotating position is located, and the lifting process of the lifting rod 32 is always ensured to be uniform and stable while the lifting rod 32 is driven to lift.

Meanwhile, as shown in fig. 6, a magnet is arranged on the side of the rocker arm 52 facing the rocker arm seat 51, a semicircular welding plate 33 is fixedly mounted on the side of the rocker arm seat 51 facing the rocker arm 52, and a sensor 34 (which may be a magnetic control sensor) is mounted on the semicircular welding plate 33; the sensor 34 has two sensing points 341, and the two sensing points 341 are respectively located at two open ends of the semicircular welding plate 33, and respectively correspond to the highest point and the lowest point of the motion path of the rocker arm 52; the middle part of the semicircular welding plate 33 extends outwards to form an ear 331, the ear 331 is provided with a connection terminal 342, the sensor 34 is connected with a main control board through the connection terminal 342, and the main control board is used for receiving an output signal of the sensor 34 and controlling the start and stop of the large disk drive motor 41 according to the output signal. When the sensor 34 detects that the rocker arm 52 rotates to the highest point or the lowest point of the action path, the operating panel rises to the highest point or falls to the lowest point to be matched with the card returning hole, and the main control panel stops the large panel driving motor 41.

The working principle of the shuffling and central lifting linkage device of the full-automatic mahjong machine in the embodiment is as follows:

after the game on the panel is finished, the user operates the operation panel, the main control panel starts the large panel driving motor 41, the large panel driving motor 41 rotates reversely, the first bevel gear 53 and the second bevel gear 54 are linked, the rocker arm 52 jacks up the lifting rod 32 to drive the operation panel to ascend, and when the sensing point 341 at the highest point of the action path of the rocker arm 52 detects the rocker arm 52, the main control panel suspends the large panel driving motor 41, so that mahjong tiles on the panel can enter the shuffling large panel 21 through the tile returning hole;

after the card is returned, the user operates the operation panel, the main control board starts the large-disc driving motor 41 again, the large-disc driving motor 41 continues to rotate reversely, the rocker arm 52 descends from the highest point, the lifting rod 32 descends along with the rocker arm, when the sensing point 341 at the lowest point of the action path of the rocker arm 52 detects the rocker arm 52, the main control board suspends the large-disc driving motor 41, and at the moment, the operation panel returns to the card returning hole;

when the lifting rod 32 is lifted, the driving gear 43 drives the shuffling large disk 21 to rotate reversely, and at the moment, no mahjong tiles exist in the shuffling large disk 21, and the shuffling large disk 21 idles; when the lifting rod 32 descends, the shuffling big disk 21 still rotates reversely, but the shuffling big disk 21 has mahjong tiles, so the shuffling starts; when the lifting rod 32 is at the lowest point, the main control board changes the rotation direction of the big-disk drive motor 41, at this time, the driving gear 43 drives the big shuffling disk 21 to rotate in the positive direction, the big shuffling disk 21 continues to shuffle, and the rocker arm 52 is limited by the one-way bearing 57, cannot act, stays at the lowest point of the action path, and waits for rising next time.

Claims

1. A shuffling and central lifting linkage device of a full-automatic mahjong machine comprises a shuffling mechanism (2) and a central lifting mechanism (3) which are arranged in a base (1), wherein the shuffling mechanism (2) comprises a shuffling large disk (21), the central lifting mechanism (3) comprises a lifting rod (32), a first through hole (214) for the lifting rod (32) to pass through is formed in the center of the shuffling large disk (21), the full-automatic mahjong machine is characterized in that a driving mechanism (4) for driving the shuffling large disk (21) to rotate is arranged on the bottom surface or the peripheral edge of the shuffling large disk (21), and a one-way transmission mechanism (5) is arranged between the driving mechanism (4) and the lifting rod (32) or between the shuffling large disk (21) and the lifting rod (32).

2. The shuffling and center lifting linkage device of the full automatic mahjong machine according to claim 1, wherein the driving mechanism (4) comprises a large disk driving motor (41), the bottom surface of the large shuffling disk (21) is provided with an internal gear (42) which is concentrically arranged with the first through hole (214), and the output shaft of the large disk driving motor (41) is provided with a driving gear (43) which is meshed with the internal gear (42).

3. The shuffling and central lifting linkage assembly of claim 2, wherein the central lifting mechanism comprises a base (31) fixed on the base (1), and the lifting rod (32) is slidably engaged with the base (31);

the one-way transmission mechanism (5) comprises:

a rocker arm (52) rotatably mounted on the base (31), the rocker arm (52) being used for jacking the lifting rod (32);

and a reversing transmission gear set arranged between the output shaft of the large disk drive motor (41) and the rocker arm (52).

4. The shuffling and central lifting linkage device of the full-automatic mahjong machine as claimed in claim 3, wherein the base (31) comprises a base body (311) installed between the base (1) and the shuffling large disk (21), the bottom of the base body (311) is provided with a U-shaped bracket (312), the U-shaped bracket (312) is provided with a lifting rod (32) in a sliding way, and a circumferential limiting piece (35) for preventing the lifting rod (32) from rotating circumferentially is arranged between the lifting rod (32) and the U-shaped bracket (312); a central channel (3111) for a lifting rod (32) to pass through is arranged in the base body (311), a first through hole (214) for the lifting rod (32) to pass through is formed in the center of the shuffling large disc (21), a second through hole (111) for the U-shaped support (312) and the lifting rod (32) to pass through is formed in the center of the base (1), and the first through hole (214), the central channel (3111) and the second through hole (111) are coaxially arranged.

5. The shuffling and central lifting linkage device of the full-automatic mahjong machine according to claim 4, wherein the circumferential limiting member (35) comprises two guide sliding grooves (351) oppositely arranged on the U-shaped bracket (312), and the length extending direction of the guide sliding grooves (351) is consistent with the lifting direction of the lifting rod (32); the bottom end of the lifting rod (32) is radially provided with a circumferential limiting rod (352), and two ends of the circumferential limiting rod (352) respectively penetrate through the corresponding guide sliding grooves (351) and are provided with idler wheels (353) which are in rolling fit with the guide sliding grooves (351).

6. The shuffling and center lifting linkage assembly as claimed in claim 4, wherein the inner diameter of the central passage (3111) is gradually reduced from the bottom end to the top end, a centering block (313) is installed in the central passage (3111) at the bottom end of the central passage (3111), a centering hole for the lifting rod (32) to pass through is formed in the center of the centering block (313), and the lifting rod (32) is in clearance fit with the centering hole.

7. The shuffling and central lifting linkage system of the full-automatic mahjong machine according to claim 4, characterized in that at the bottom end of the central channel (3111), the base (1) is fixedly provided with a rocker arm seat (51) arranged in parallel with the U-shaped bracket (312), the rocker arm (52) is rotatably arranged on the rocker arm seat (51) through a mandrel (521), and a transmission piece is arranged between the rocker arm (52) and the lifting rod (32).

8. The shuffling and central lifting linkage assembly of claim 7, wherein the transmission member comprises a transmission seat (55) fixed on the periphery of the lifting rod (32), one side of the transmission seat (55) facing the rocker arm (52) is provided with an expanding wing plate (56), the rocker arm (52) abuts against the bottom surface of the expanding wing plate (56), and the distance between the rocker arm (52) and the two end surfaces of the expanding wing plate (56) is greater than or equal to the action radius of the rocker arm (52).

9. The shuffling and central lifting linkage system of claim 7, wherein the lifting rod (32) has an operating panel at its top end, a main control panel is arranged in the operating panel, a magnet is arranged at one end of the rocker arm (52) facing the rocker arm seat (51), and a sensor (34) connected with the main control panel is arranged at one side of the rocker arm seat (51) facing the U-shaped bracket (312); the sensor (34) is provided with two sensing points (341), and the positions of the two sensing points (341) respectively correspond to the highest point and the lowest point of the action path of the magnet on the rocker arm (52); the main control board is used for receiving the output signal of the sensor (34) and controlling the start, stop and steering of the large disk drive motor (41) according to the output signal.

10. The shuffling and central lifting linkage of the fully automatic mahjong machine according to claim 9, wherein the reversing transmission gear set comprises a first bevel gear (53) installed on the output shaft of the driving gear (43), a second bevel gear (54) which is meshed with the first bevel gear (53) is installed at one end of the mandrel (521) passing through the rocker arm seat (51), and at least one-way bearings (57) are arranged between the driving gear (43) and the output shaft of the large disk driving motor (41), between the first bevel gear (53) and the output shaft of the large disk driving motor (41), between the second bevel gear (54) and the mandrel (521) or between the mandrel (521) and the rocker arm seat (51).

11. The shuffling and central lifting linkage system of the fully automatic mahjong machine as claimed in claim 1, wherein the outer periphery of the shuffling large plate (21) is provided with a toothed plate (81), the driving mechanism (4) comprises a large plate driving motor (41), and a driving gear (43) meshed with the toothed plate (81) is installed on the output shaft of the large plate driving motor (41); the bottom surface of the shuffling large disc (21) is provided with an internal gear (42) which is concentric with the first through hole (214), and the one-way transmission mechanism (5) is arranged between the internal gear (42) and the lifting rod (32).