CN212347700U

CN212347700U - Mahjong machine conveying double-speed forward and reverse rotating mechanism

Info

Publication number: CN212347700U
Application number: CN202021140375.5U
Authority: CN
Inventors: 陈金荣; 谭永刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-01-15
Anticipated expiration: 2030-06-18

Abstract

A mahjong machine conveying double-speed forward and reverse rotation mechanism comprises a conveying frame and a conveying belt, wherein a conveying wheel, a tensioning wheel, a transition wheel, a tile sucking wheel and a conveying outlet wheel are arranged on the conveying frame, the conveying wheel comprises a first conveying wheel and a second conveying wheel, the double-speed forward and reverse rotation mechanism comprises a conveying motor and a tile returning motor, the first conveying wheel is arranged on an output shaft of the tile returning motor, a double-speed change mechanism is arranged on an output shaft of the conveying motor, the double-speed change mechanism comprises a driving gear, a first transmission gear, a second transmission gear, a middle gear and an output gear, the driving gear is arranged on the output shaft of the conveying motor, and the set rotation directions of a first one-way bearing and a second one; the output shaft is provided with a second conveying wheel; the second conveying wheel is installed on the output shaft through a forward one-way bearing, and the first conveying wheel is installed on the output shaft of the tile returning motor through a reverse one-way shaft seat. The utility model discloses realize that variable speed, practicality are better, cooperate the mahjong machine large plate to realize the double speed silence function.

Description

Mahjong machine conveying double-speed forward and reverse rotating mechanism

Technical Field

The utility model belongs to mahjong machine motor trade relates to a conveying mechanism for mahjong machine.

Background

The existing mahjong machine conveying mechanism comprises a conveying frame, a conveying belt and a driving motor, wherein the driving motor can rotate forward and backward, the rotating speed of the driving motor is constant, the driving motor is installed on the conveying frame, an output shaft of the driving motor is installed on a conveying wheel, meanwhile, a tensioning wheel, a transition wheel, a mahjong tile sucking wheel and a conveying outlet wheel are also installed on the conveying frame, and the conveying belt is sequentially sleeved on the conveying wheel, the tensioning wheel, the transition wheel, the mahjong tile sucking wheel and the conveying outlet wheel; the conveying belt is driven to move by the rotation of the driving motor, for example, the conveying of the mahjong tiles is realized when the mahjong tiles rotate forwards; in case of jamming, the mahjong tiles are reversed to realize the mahjong tile returning operation.

The existing mahjong machine conveying structure can only make forward and reverse rotation at a single speed, and cannot be well matched with the realization of a large-plate double-speed mute function of a mahjong machine.

Disclosure of Invention

In order to overcome the defect that the speed change can not be realized in the prior mahjong machine conveying mode, the utility model provides a mahjong machine conveying double-speed forward and reverse rotating mechanism with the advantages of speed change and better practicability.

The utility model provides a technical scheme that its technical problem adopted is:

a mahjong machine conveying double-speed forward and reverse rotation mechanism comprises a conveying frame and a conveying belt, wherein a conveying wheel, a tensioning wheel, a transition wheel, a tile sucking wheel and a conveying outlet wheel are arranged on the conveying frame, the conveying belt is sleeved on the conveying wheel, the tensioning wheel, the transition wheel, the tile sucking wheel and the conveying outlet wheel, and the mahjong machine conveying double-speed forward and reverse rotation mechanism is characterized in that the conveying wheel comprises a first conveying wheel and a second conveying wheel, the double-speed forward and reverse rotation mechanism comprises a conveying motor and a tile returning motor, the first conveying wheel is arranged on an output shaft of the tile returning motor, a double-speed change mechanism is arranged on an output shaft of the conveying motor, the double-speed change mechanism comprises a driving gear, a first transmission gear, a second transmission gear, a middle gear and an output gear, the driving gear is arranged on the output shaft of the conveying motor, the driving gear is respectively meshed with the first transmission gear and the second transmission gear, the, the intermediate shaft is provided with an intermediate gear, and the first transmission gear is coaxially linked with the intermediate gear; the second transmission gear is mounted on an output shaft through a second one-way bearing, an output gear is mounted on the output shaft, the second transmission gear is coaxially linked with the output gear, and the intermediate gear is meshed with the output gear; the set rotating directions of the first one-way bearing and the second one-way bearing are opposite; a second conveying wheel is arranged on the output shaft;

the second conveying wheel is installed on an output shaft through a forward one-way bearing, and the first conveying wheel is installed on an output shaft of the tile withdrawing motor through a reverse one-way shaft seat.

Further, the number of teeth of first drive gear, second drive gear is a, the number of teeth of intermediate gear is b, the number of teeth of driving gear is c, the number of teeth of output gear is d, wherein, a, b, c, d are positive integers, a < b < c < d.

The beneficial effects of the utility model are that: the speed change and the practicability are better, and the double-speed mute function is realized by matching with the large plate of the mahjong machine.

Drawings

FIG. 1 is an outward schematic view of a mahjong machine conveying double-speed forward and reverse rotating mechanism.

FIG. 2 is an inward view of the mahjong machine conveying two-speed forward and reverse rotating mechanism.

FIG. 3 is a schematic view of the internal structure of the mahjong machine conveying double-speed forward and reverse rotating mechanism.

FIG. 4 is a schematic view of a two-speed ratio gear mechanism.

Fig. 5 is a schematic layout of the first and second transmission gears.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, a mahjong machine conveying double-speed forward and reverse rotation mechanism comprises a conveying frame 1 and a conveying belt 2, wherein the conveying frame 1 is provided with a conveying wheel, a tensioning wheel 3, a transition wheel 4, a tile sucking wheel 5 and a conveying outlet wheel 6, the conveying belt 1 is sleeved on the conveying wheel, the tensioning wheel 3, the transition wheel 4, the tile sucking wheel 5 and the conveying outlet wheel 6, the conveying wheel comprises a first conveying wheel 7 and a second conveying wheel 8, the mahjong machine conveying forward and reverse rotation mechanism comprises a conveying motor 9 and a tile returning motor 10, the first conveying wheel 7 is arranged on an output shaft of the tile returning motor 10, a double-speed change mechanism 11 is arranged on an output shaft of the conveying motor 9, the double-speed change mechanism comprises a driving gear 111, a first transmission gear 112, a second transmission gear 113, a middle gear 114 and an output gear 115, the driving gear 111 is arranged on the output shaft of the conveying motor 9, the driving gear 111 is respectively meshed with a first transmission gear 112 and a second transmission gear 113, the first transmission gear is mounted on an intermediate shaft through a first one-way bearing, an intermediate gear 114 is mounted on the intermediate shaft, and the first transmission gear 112 and the intermediate gear 114 are coaxially linked; the second transmission gear 113 is mounted on an output shaft through a second one-way bearing, the output shaft is provided with an output gear 115, the second transmission gear 113 and the output gear 115 are coaxially linked, and the intermediate gear 114 is meshed with the output gear 115; the set rotating directions of the first one-way bearing and the second one-way bearing are opposite; a second conveying wheel 8 is arranged on the output shaft;

the second conveying wheel 8 is installed on an output shaft through a forward one-way bearing, and the first conveying wheel 7 is installed on an output shaft of the tile withdrawing motor 10 through a reverse one-way shaft seat.

Further, the number of teeth of the first transmission gear 112 and the second transmission gear 113 is a, the number of teeth of the intermediate gear 114 is b, the number of teeth of the driving gear 111 is c, the number of teeth of the output gear 115 is d, wherein a, b, c and d are positive integers, and a < b < c < d.

In this embodiment, the driving gear is driven by the driving motor, the driving motor is a motor capable of rotating forward and backward, the output speed of the driving motor is constant, and the driving gear drives the first transmission gear or the second transmission gear, and because a coaxial but reverse one-way bearing is respectively fixed inside the first transmission gear or the second transmission gear, the driving gear can only drive one of the transmission gears, that is, only one transmission gear generates torque for each rotation direction no matter in forward rotation or reverse rotation, and the transmission gear generating the torque drives the lower gear to rotate, thereby achieving the effect of outputting the torque. Because the first transmission gear drives the output gear through the intermediate gear and the second transmission gear directly drives the output gear, the positive and negative rotation functions of the driving motor can respectively generate two homodromous rotating speeds.

Example (c): the number of teeth of the driving gear is 19 teeth, the number of teeth of the first transmission gear is 16 teeth, the number of teeth of the second transmission gear is 16 teeth, the number of teeth of the middle gear is 15 teeth, and the number of teeth of the output gear is 23 teeth.

From the overlooking perspective, if the driving gear rotates clockwise 100 revolutions per minute, the first one-way bearing generates torque to drive the first transmission gear, the second one-way bearing generates no torque, the rotating speed of the intermediate gear is 100 x (19/16) revolutions per minute, and the rotating speed of the output gear is 100 x (19/16) x (15/23) revolutions per minute; if the driving gear rotates 100 revolutions per minute anticlockwise, the second one-way bearing generates torque to drive the second transmission gear, no torque is generated by the first one-way bearing, the rotating speed of the second transmission gear is 100 x (19/16) revolutions per minute, then the rotating speed of the output gear is 100 x (19/16) revolutions per minute, and output of two different speeds is achieved.

In this embodiment, as shown in fig. 1 to 3, the first conveying wheel and the second conveying wheel are internally provided with one-way bearings, and the directions of the two are opposite.

When the first conveying wheel works, the conveying belt acts clockwise, a forward one-way bearing is arranged in the second conveying wheel, no moment is generated by the one-way bearing at the moment, the one-way bearing only rotates along with the conveying belt, and the mahjong tile retreating process is performed at the moment.

When the second conveying wheel rotates anticlockwise, a reverse one-way bearing is arranged in the first conveying wheel, no moment is generated by the one-way bearing at the moment, only the one-way bearing performs following action, the conveying belt performs anticlockwise action, and a conveying process is performed at the moment; because the output shaft of the conveying motor is provided with the double-speed change mechanism and the output shaft is provided with the second conveying wheel, when the conveying is just started, the low-speed running is controlled, and the high-speed running is controlled when the conveying is finished at a certain time in the middle of the conveying; the double-speed mute function of the large disc is realized through a high-speed and low-speed control mode.

Claims

1. A mahjong machine conveying double-speed forward and reverse rotation mechanism comprises a conveying frame and a conveying belt, wherein a conveying wheel, a tensioning wheel, a transition wheel, a tile sucking wheel and a conveying outlet wheel are arranged on the conveying frame, the conveying belt is sleeved on the conveying wheel, the tensioning wheel, the transition wheel, the tile sucking wheel and the conveying outlet wheel, and the mahjong machine conveying double-speed forward and reverse rotation mechanism is characterized by comprising a first conveying wheel and a second conveying wheel, the double-speed forward and reverse rotation mechanism comprises a conveying motor and a tile returning motor, the first conveying wheel is arranged on an output shaft of the tile returning motor, a double-speed change mechanism is arranged on an output shaft of the conveying motor, the double-speed change mechanism comprises a driving gear, a first transmission gear, a second transmission gear, a middle gear and an output gear, the driving gear is respectively meshed with the first transmission gear and the second transmission gear, the first transmission gear is arranged on an intermediate shaft through a first one-way bearing, an intermediate gear is arranged on the intermediate shaft, and the first transmission gear is coaxially linked with the intermediate gear; the second transmission gear is mounted on an output shaft through a second one-way bearing, an output gear is mounted on the output shaft, the second transmission gear is coaxially linked with the output gear, and the intermediate gear is meshed with the output gear; the set rotating directions of the first one-way bearing and the second one-way bearing are opposite; a second conveying wheel is arranged on the output shaft;

2. The mahjong machine conveying double-speed forward and reverse rotation mechanism as claimed in claim 1, wherein the number of teeth of the first transmission gear and the second transmission gear is a, the number of teeth of the middle gear is b, the number of teeth of the driving gear is c, and the number of teeth of the output gear is d, wherein a, b, c and d are positive integers, and a < b < c < d.