CN105148512A - Driving device for shuffling rotary disc of mahjong machine - Google Patents
Driving device for shuffling rotary disc of mahjong machine Download PDFInfo
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- CN105148512A CN105148512A CN201510540364.3A CN201510540364A CN105148512A CN 105148512 A CN105148512 A CN 105148512A CN 201510540364 A CN201510540364 A CN 201510540364A CN 105148512 A CN105148512 A CN 105148512A
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Abstract
The invention belongs to the technical field of automatic equipment, and relates to a mahjong machine, in particular to a driving device for a shuffling rotary disc of the mahjong machine. The problem that an existing shuffling rotary disc motor driving mode is single is solved. The driving device comprises a motor body. The motor body is provided with a motor output shaft capable of circumferentially rotating forwards or circumferentially rotating reversely. The driving device further comprises a rotary disc driving shaft. A variable speed transmission structure capable of enabling the rotary disc driving shaft to circumferentially rotate in the same direction when the motor output shaft circumferentially rotates forward or circumferentially rotates reversely is arranged between the motor output shaft and the rotary disc driving shaft. The variable speed transmission structure has different speed transmission ratios when the motor output shaft circumferentially rotates forwards or circumferentially rotates reversely. The driving device for the shuffling rotary disc of the mahjong machine has the advantages that the structure is simple, a gearbox does not need to be additionally assembled, the installation process is simple, losses generated in the transmission process are low, the shuffling rotary disc can be driven to rotate at different speeds through forward rotation and reverse rotation of the motor body, and the transmission process is stable.
Description
Technical field
The invention belongs to technical field of automation equipment, relate to mahjong machine, especially relate to a kind of mahjong machine and to shuffle rotating blade drive.
Background technology
Automatic mahjong-playing machine, as a kind of high quality resort articles for use, because it is comfortable, healthy, fair, enters the life of people more and more.Automatic mahjong-playing machine, owing to integrating microcomputerized control, electrical control, mechanical transmissioning technology, is a kind of product all more complicated than ordinary electrical home appliance, amusing products.In prior art, the rotating disk of shuffling of mah-jong pieces drives mainly through motor and gearbox, this kind of mode installation process is complicated, transmission process consume is larger, and existing rotating disk of shuffling rotates mainly with single speed, transmission process is stable not, and these problems all greatly constrain existing mahjong machine and to shuffle the use of rotating disk.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of Novel automatic mahjong table [application number: 200920114334.6], comprise center overhead door mechanism, shuffling and table rotating machine structure, inhale board conveying mechanism, fold and push away tile arranging mechanism, four directions raises mechanism, it is characterized in that described shuffling and table rotating machine structure is provided with a deep bid axle bed, deep bid bearing successively on deep bid axle bed, deep bid axle bed lasso, deep bid outer ring, large disk center, group board bar of arcuation, dialling board bar is installed in large disk center by dialling board bar holder, and the distribution in radiation-like, large disk center is connected with large coil motor by a transmission mechanism.
Such scheme to some extent solves existing problem of installing inconvenience, but the program still also exists: transmission process consume is comparatively large, can only rotate, the problem that transmission process is stable not with single speed.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of simple and reasonable, the mahjong machine that single motor realizes friction speed transmission is shuffled rotating blade drive.
For achieving the above object, present invention employs following technical proposal: this mahjong machine is shuffled rotating blade drive, comprise motor body, described motor body has and can circumference rotate forward or circumferential counter-rotational motor output shaft, it is characterized in that, this device also comprises rotary disk driving shaft, be provided with between described motor output shaft and rotary disk driving shaft and can make the circumferential in the same way gear structure of rotating of rotary disk driving shaft when motor output shaft circumference rotates forward or circumference rotates backward, and described gear structure has different transmission velocity ratios when motor output shaft circumference rotates forward and circumference rotates backward.When motor output shaft forward and gear structure when rotating backward can make rotary disk driving shaft with different speed rotating in same directions, thus drive the rotating disk of shuffling be connected from rotary disk driving shaft can rotate with different speed.
Shuffle in rotating blade drive at above-mentioned mahjong machine, described motor body is provided with the case that can cover on motor output shaft, described gear vibrational power flow is in case, and described rotary disk driving shaft one end passes case and this end is connected with rotating disk transmission of shuffling.Namely all parts is all arranged in case and makes installation process simple, and without the need to additionally assembling gearbox.
Shuffle in rotating blade drive at above-mentioned mahjong machine, described gear structure comprises and is arranged on motor output shaft and is positioned at the output gear of case, described rotary disk driving shaft is provided with axle shaft gear, described output gear side is connected with axle shaft gear by the first single-direction transmission assembly, described output gear opposite side is connected with axle shaft gear by the second single-direction transmission assembly, and the gearratio between described output gear from the first single-direction transmission assembly is different with the gearratio between output gear and the second single-direction transmission assembly, and be provided with between the first described single-direction transmission assembly and axle shaft gear or between the second single-direction transmission assembly and axle shaft gear and turn to changeover module.Namely when motor output shaft forward is with when rotating backward, by the first single-direction transmission assembly and the second single-direction transmission assembly, rotary disk driving shaft is rotated with different speed and by turning to changeover module to switch rotation direction, thus make motor output shaft forward and rotary disk driving shaft when rotating backward with different speed rotating in same directions.
Shuffle in rotating blade drive at above-mentioned mahjong machine, the first described single-direction transmission assembly comprises the first gear be meshed with output gear, the first described gear is connected with concentric the first unilateral bearing gear arranged with the first gear by the first power transmission shaft, and the first described unilateral bearing gear and axle shaft gear engage each other.
Shuffle in rotating blade drive at above-mentioned mahjong machine, the second described single-direction transmission assembly comprises the second gear be meshed with output gear, gearratio between the second described gear and output gear is different from the gearratio between the first gear and output gear, the second described gear is connected with concentric the second unilateral bearing gear arranged with the second gear by second driving shaft, the second described unilateral bearing gear is contrary with turning to of the first unilateral bearing gear, and the second described unilateral bearing gear and axle shaft gear engage each other.
Shuffle in rotating blade drive at above-mentioned mahjong machine, the described changeover module that turns to comprises some carrier gears be arranged between the first unilateral bearing gear and axle shaft gear or between the second unilateral bearing gear and axle shaft gear.
Shuffle in rotating blade drive at above-mentioned mahjong machine, described rotating disk of shuffling is provided with at least one motor body, and described motor body is all arranged on the outer circumferential of rotating disk of shuffling.Preferably, the number of motor body is here at least one, and each motor body circumference is evenly arranged when the quantity of motor body is multiple.
Shuffle in rotating blade drive at above-mentioned mahjong machine, described rotary disk driving shaft one end be positioned at outside case is provided with rotating disk driven wheel, and described rotating disk outer circumferential of shuffling is provided with some teeth be meshed with rotating disk driven wheel.
Shuffle in rotating blade drive at above-mentioned mahjong machine, described motor output shaft and rotary disk driving shaft are coaxially arranged, and the first described power transmission shaft and second driving shaft are all parallel to motor output shaft.
Shuffle in rotating blade drive at above-mentioned mahjong machine, described motor body and case are connected as a single entity structure.
Compared with prior art, the shuffle advantage of rotating blade drive of this mahjong machine is: structure is simple, without the need to additionally assembling gearbox, installation process is simple, transmission process consume is little, transfer driving rotating disk of shuffling and rotate with friction speed, and transmission process is stablized by motor positive and negative.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention.
Fig. 2 is the structural representation that provided by the invention mahjong machine is shuffled under rotating blade drive using state.
In figure, motor body 1, motor output shaft 11, rotary disk driving shaft 12, rotating disk driven wheel 121, case 2, gear structure 3, output gear 31, axle shaft gear 32, first gear 33, first power transmission shaft 34, first unilateral bearing gear 35, second gear 36, second driving shaft 37, second unilateral bearing gear 38, carrier gear 39, rotating disk 4 of shuffling, teeth 41.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Figure 1-2, this mahjong machine is shuffled rotating blade drive, comprise motor body 1, motor body 1 has and can circumference rotate forward or circumferential counter-rotational motor output shaft 11, this device also comprises rotary disk driving shaft 12, be provided with between motor output shaft 11 and rotary disk driving shaft 12 and can make the circumferential in the same way gear structure 3 of rotating of rotary disk driving shaft 12 when motor output shaft 11 circumference rotates forward or circumference rotates backward, and gear structure 3 has different transmission velocity ratios when motor output shaft 11 circumference rotates forward and circumference rotates backward, when motor output shaft 11 forward and gear structure 3 when rotating backward can make rotary disk driving shaft 12 with different speed rotating in same directions, thus drive the rotating disk 4 of shuffling be connected from rotary disk driving shaft 12 can rotate with different speed.
Particularly, motor body 1 in the present embodiment is provided with the case 2 that can cover on motor output shaft 11, gear structure 3 is arranged in case 2, and rotary disk driving shaft 12 one end passes case 2 and this end is connected with rotating disk 4 transmission of shuffling, namely all parts is all arranged in case 2 and makes installation process simple, and without the need to additionally assembling gearbox.Gear structure 3 in the present embodiment comprises and is arranged on motor output shaft 11 and is positioned at the output gear 31 of case 2, rotary disk driving shaft 12 is provided with axle shaft gear 32, output gear 31 side is connected with axle shaft gear 32 by the first single-direction transmission assembly, output gear 31 opposite side is connected with axle shaft gear 32 by the second single-direction transmission assembly, and the gearratio between output gear 31 from the first single-direction transmission assembly is different with the gearratio between output gear 31 and the second single-direction transmission assembly, and be provided with between the first single-direction transmission assembly and axle shaft gear 32 or between the second single-direction transmission assembly and axle shaft gear 32 and turn to changeover module, namely when motor output shaft 11 forward is with when rotating backward, by the first single-direction transmission assembly and the second single-direction transmission assembly, rotary disk driving shaft 12 is rotated with different speed and by turning to changeover module to switch rotation direction, thus make motor output shaft 11 forward and rotary disk driving shaft when rotating backward 12 with different speed rotating in same directions, and motor output shaft 11 here is coaxially arranged with rotary disk driving shaft 12, and the first power transmission shaft 34 is all parallel to motor output shaft 11 with second driving shaft 37.
Wherein, the first single-direction transmission assembly in the present embodiment comprises the first gear 33 be meshed with output gear 31, first gear 33 is connected with concentric the first unilateral bearing gear 35 arranged with the first gear 33 by the first power transmission shaft 34, and the first unilateral bearing gear 35 engages each other with axle shaft gear 32.Similarly, here the second single-direction transmission assembly comprises the second gear 36 be meshed with output gear 31, gearratio between second gear 36 and output gear 31 is different from the gearratio between the first gear 33 and output gear 31, second gear 36 is connected with concentric the second unilateral bearing gear 38 arranged with the second gear 36 by second driving shaft 37, second unilateral bearing gear 38 is contrary with turning to of the first unilateral bearing gear 35, and the second unilateral bearing gear 38 engages each other with axle shaft gear 32.Preferably, the changeover module that turns to here comprises some carrier gears 39 be arranged between the first unilateral bearing gear 35 and axle shaft gear 32 or between the second unilateral bearing gear 38 and axle shaft gear 32.
As shown in Figure 2, rotating disk 4 of shuffling in the present embodiment is provided with at least one motor body 1, and motor body 1 is all arranged on the outer circumferential of rotating disk 4 of shuffling, preferably, the number of motor body 1 is here at least one, and each motor body 1 is evenly arranged on the outer circumferential of rotating disk 4 of shuffling when the quantity of motor body 1 is multiple.Wherein, rotary disk driving shaft 12 one end be positioned at outside case 2 is here provided with rotating disk driven wheel 121, and rotating disk 4 outer circumferential of shuffling is provided with some teeth 41 be meshed with rotating disk driven wheel 121.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ motor body 1, motor output shaft 11, rotary disk driving shaft 12, rotating disk driven wheel 121, case 2, gear structure 3, output gear 31, axle shaft gear 32, first gear 33, first power transmission shaft 34, first unilateral bearing gear 35, second gear 36, second driving shaft 37, second unilateral bearing gear 38, carrier gear 39, rotating disk 4, the teeth 41 etc. of shuffling term herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. a mahjong machine is shuffled rotating blade drive, comprise motor body (1), described motor body (1) has and can circumference rotate forward or circumferential counter-rotational motor output shaft (11), it is characterized in that, this device also comprises rotary disk driving shaft (12), be provided with between described motor output shaft (11) and rotary disk driving shaft (12) and the circumferential in the same way gear structure (3) of rotating of rotary disk driving shaft (12) can be made when motor output shaft (11) circumference rotates forward or circumference rotates backward, and described gear structure (3) has different transmission velocity ratios when motor output shaft (11) circumference rotates forward and circumference rotates backward.
2. mahjong machine according to claim 1 is shuffled rotating blade drive, it is characterized in that, described motor body (1) is provided with the case (2) that can cover on motor output shaft (11), described gear structure (3) is arranged in case (2), and described rotary disk driving shaft (12) one end passes case (2) and this end is connected with rotating disk of shuffling (4) transmission.
3. mahjong machine according to claim 2 is shuffled rotating blade drive, it is characterized in that, described gear structure (3) comprises that to be arranged on motor output shaft (11) upper and be positioned at the output gear (31) of case (2), described rotary disk driving shaft (12) is provided with axle shaft gear (32), described output gear (31) side is connected with axle shaft gear (32) by the first single-direction transmission assembly, described output gear (31) opposite side is connected with axle shaft gear (32) by the second single-direction transmission assembly, and the gearratio between described output gear (31) from the first single-direction transmission assembly is different with the gearratio between output gear (31) and the second single-direction transmission assembly, and be provided with between the first described single-direction transmission assembly and axle shaft gear (32) or between the second single-direction transmission assembly and axle shaft gear (32) and turn to changeover module.
4. mahjong machine according to claim 3 is shuffled rotating blade drive, it is characterized in that, the first described single-direction transmission assembly comprises the first gear (33) be meshed with output gear (31), described the first gear (33) is connected with concentric the first unilateral bearing gear (35) arranged with the first gear (33) by the first power transmission shaft (34), and the first described unilateral bearing gear (35) and axle shaft gear (32) engage each other.
5. mahjong machine according to claim 4 is shuffled rotating blade drive, it is characterized in that, the second described single-direction transmission assembly comprises the second gear (36) be meshed with output gear (31), gearratio between described the second gear (36) and output gear (31) is different from the gearratio between the first gear (33) and output gear (31), described the second gear (36) is connected with concentric the second unilateral bearing gear (38) arranged with the second gear (36) by second driving shaft (37), the second described unilateral bearing gear (38) is contrary with turning to of the first unilateral bearing gear (35), and the second described unilateral bearing gear (38) and axle shaft gear (32) engage each other.
6. mahjong machine according to claim 5 is shuffled rotating blade drive, it is characterized in that, the described changeover module that turns to comprises some carrier gears (39) be arranged between the first unilateral bearing gear (35) and axle shaft gear (32) or between the second unilateral bearing gear (38) and axle shaft gear (32).
7. to shuffle rotating blade drive according to the mahjong machine in claim 2-6 described in any one, it is characterized in that, described rotating disk of shuffling (4) is provided with at least one motor body (1), and described motor body (1) is all arranged on the outer circumferential of rotating disk of shuffling (4).
8. mahjong machine according to claim 7 is shuffled rotating blade drive, it is characterized in that, described rotary disk driving shaft (12) is positioned at case (2) one end outward and is provided with rotating disk driven wheel (121), and described rotating disk of shuffling (4) outer circumferential is provided with some teeth (41) be meshed with rotating disk driven wheel (121).
9. mahjong machine according to claim 5 is shuffled rotating blade drive, it is characterized in that, described motor output shaft (11) and rotary disk driving shaft (12) are coaxially arranged, and described the first power transmission shaft (34) and second driving shaft (37) are all parallel to motor output shaft (11).
10. mahjong machine according to claim 2 is shuffled rotating blade drive, it is characterized in that, described motor body (1) and case (2) are connected as a single entity structure.
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CN201510540364.3A CN105148512B (en) | 2015-08-28 | 2015-08-28 | Mahjong machine is shuffled rotating blade drive |
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CN201510540364.3A CN105148512B (en) | 2015-08-28 | 2015-08-28 | Mahjong machine is shuffled rotating blade drive |
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CN105148512B CN105148512B (en) | 2018-09-04 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106422315A (en) * | 2016-12-19 | 2017-02-22 | 浙江宣和电器有限公司 | Mahjong machine and driving clutch mechanisms thereof |
CN107198430A (en) * | 2017-07-31 | 2017-09-26 | 浙江联宜电机有限公司 | Wall-breaking machine Normal juice machine integral structure |
CN110538451A (en) * | 2019-08-22 | 2019-12-06 | 杨建兴 | Mahjong machine and big dish speed change gear thereof |
CN112121396A (en) * | 2020-09-11 | 2020-12-25 | 阳琳 | Shuffling method of mahjong machine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201100370Y (en) * | 2007-09-30 | 2008-08-13 | 松冈机电(中国)有限公司 | A transmission machine for automatic mah-jong machine |
CN202762067U (en) * | 2012-09-25 | 2013-03-06 | 江苏唐邦机电有限公司 | Mahjong machine table |
CN103071285A (en) * | 2013-02-04 | 2013-05-01 | 松冈机电(中国)有限公司 | Suction and rotation device for automatic mahjong machine |
CN203154782U (en) * | 2013-01-06 | 2013-08-28 | 松冈机电(中国)有限公司 | Speed-variable shuffling plate |
CN204121727U (en) * | 2014-08-07 | 2015-01-28 | 松冈机电(中国)有限公司 | The how fast shuffle disk of a kind of automatic mahjong-playing machine |
CN205019704U (en) * | 2015-08-28 | 2016-02-10 | 杭州速控软件有限公司 | Mahjong machine washing tablet table drive device |
-
2015
- 2015-08-28 CN CN201510540364.3A patent/CN105148512B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201100370Y (en) * | 2007-09-30 | 2008-08-13 | 松冈机电(中国)有限公司 | A transmission machine for automatic mah-jong machine |
CN202762067U (en) * | 2012-09-25 | 2013-03-06 | 江苏唐邦机电有限公司 | Mahjong machine table |
CN203154782U (en) * | 2013-01-06 | 2013-08-28 | 松冈机电(中国)有限公司 | Speed-variable shuffling plate |
CN103071285A (en) * | 2013-02-04 | 2013-05-01 | 松冈机电(中国)有限公司 | Suction and rotation device for automatic mahjong machine |
CN204121727U (en) * | 2014-08-07 | 2015-01-28 | 松冈机电(中国)有限公司 | The how fast shuffle disk of a kind of automatic mahjong-playing machine |
CN205019704U (en) * | 2015-08-28 | 2016-02-10 | 杭州速控软件有限公司 | Mahjong machine washing tablet table drive device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106422315A (en) * | 2016-12-19 | 2017-02-22 | 浙江宣和电器有限公司 | Mahjong machine and driving clutch mechanisms thereof |
CN106422315B (en) * | 2016-12-19 | 2023-07-11 | 浙江宣和机电科技有限公司 | Mahjong machine and driving clutch mechanism thereof |
CN107198430A (en) * | 2017-07-31 | 2017-09-26 | 浙江联宜电机有限公司 | Wall-breaking machine Normal juice machine integral structure |
CN107198430B (en) * | 2017-07-31 | 2022-08-30 | 浙江联宜电机有限公司 | Broken wall machine stock machine integral type structure |
CN110538451A (en) * | 2019-08-22 | 2019-12-06 | 杨建兴 | Mahjong machine and big dish speed change gear thereof |
CN112121396A (en) * | 2020-09-11 | 2020-12-25 | 阳琳 | Shuffling method of mahjong machine |
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Address after: 311121 Zhejiang City, Hangzhou, Yuhang District, Yuhang street, Yi Sheng Road, No. 1, building 1, 2 Applicant after: HANGZHOU SUKONG SOFTWARE CO., LTD. Address before: 311121 Zhejiang City, Jinhua, Yuhang District, Yuhang street, Yi Sheng Road, No. 1, building 1, 2 Applicant before: HANGZHOU SUKONG SOFTWARE CO., LTD. |
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