CN218890138U - Machine head cam structure - Google Patents
Machine head cam structure Download PDFInfo
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- CN218890138U CN218890138U CN202222618149.9U CN202222618149U CN218890138U CN 218890138 U CN218890138 U CN 218890138U CN 202222618149 U CN202222618149 U CN 202222618149U CN 218890138 U CN218890138 U CN 218890138U
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Abstract
The utility model relates to a machine head cam structure, which comprises a motor, a one-way clutch wheel connected with an output shaft of the motor, a machine head driving wheel arranged at one side of the one-way clutch wheel, a machine head driving wheel and a machine head cam assembly connected with the machine head driving wheel, wherein the machine head cam assembly comprises a machine head cam main body and a driving gear, the driving gear is meshed with the machine head driving wheel, a guide cam is arranged at the back surface of the machine head cam main body, and a guide groove is formed between the peripheral surface of the guide cam and the outer edge of the machine head cam main body; a roller is arranged in the guide groove and is hinged with a first connecting arm, and the end part of the first connecting arm is fixedly provided with a card pushing head; the front face of the machine head cam main body is hinged with a second connecting arm, and the end part of the second connecting arm is hinged with the card connecting head. The structure can drive the card pushing head and the card receiving head to run simultaneously through the unidirectional rotation of the head cam main body, so that the parts such as the head sliding block, the sliding block guide rod and the like in the original structure are omitted, the whole structure is compact, and the installation is simple.
Description
Technical Field
The utility model relates to the field of transmission structures of mahjong machine mechanism devices, in particular to a machine head cam structure.
Background
The full-automatic mahjong machine mainly comprises a table body, a shuffling mechanism, a pushing mechanism and a lifting mechanism, wherein the shuffling mechanism, the pushing mechanism and the lifting mechanism are arranged in the table body, the shuffling mechanism transmits scattered mahjong units to a tile receiving head, the pushing mechanism pushes mahjong pieces to the lifting mechanism, and the lifting mechanism pushes the mahjong pieces to a table surface. The mahjong machine tile receiving head is mainly used for collecting mahjong units transmitted by the tile shuffling mechanism, and the tile pushing head pushes the mahjong units on the tile receiving head onto the main vertical plate to be tidied into mahjong strips.
At present, the tile pushing head and the tile receiving head in the full-automatic mahjong machine all adopt independent transmission structures to complete work, and the tile pushing head and the tile receiving head are driven by independent motors, so that the problems of large occupied space and high input cost of mechanical parts exist.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a machine head cam structure.
The utility model aims to overcome the defects in the prior art and provides a machine head cam structure.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the machine head cam structure comprises a motor, a one-way clutch wheel connected with an output shaft of the motor, a machine head driving wheel arranged on one side of the one-way clutch wheel, a machine head driving wheel meshed with the machine head driving wheel and a machine head cam assembly connected with the machine head driving wheel, wherein the machine head cam assembly comprises a machine head cam main body, a transmission gear is arranged on the front surface of the machine head cam main body and meshed with the machine head driving wheel, a guide cam is arranged on the back surface of the machine head cam main body, and a guide groove is formed between the peripheral surface of the guide cam and the outer edge of the machine head cam main body;
a roller is arranged in the guide groove and is hinged with a first connecting arm, and the end part of the first connecting arm is fixedly provided with a card pushing head;
the front face of the machine head cam main body is hinged with a second connecting arm, and the end part of the second connecting arm is hinged with the card connecting head.
Further, a unidirectional transmission component corresponding to the machine head driving wheel is arranged on the side face of the unidirectional clutch wheel.
Further, the one-way transmission assembly comprises a mounting groove arranged on the surface of the one-way clutch wheel, a spring and a clutch block are arranged in the mounting groove, one end of the spring is supported at the bottom of the mounting groove, the other end of the spring is connected with the clutch block, an inclined guide surface is arranged on the surface of the clutch block, and a rotation stopping surface is arranged on the side surface of the machine head driving wheel and corresponds to the inclined guide surface.
Further, when the inclined guide surface of the clutch block is in extrusion contact with the rotation stopping surface, the machine head driving wheel and the one-way clutch wheel cannot be synchronously linked, and when the side surface of the clutch block is in extrusion contact with the rotation stopping surface, the machine head driving wheel and the one-way clutch wheel are synchronously linked.
Further, the machine head cam main body, the transmission gear and the guide cam are integrally formed.
The beneficial effects of the utility model are as follows: 1. the machine head cam assembly comprises a machine head cam main body, wherein a transmission gear is arranged on the front surface of the machine head cam main body and meshed with a machine head driving wheel, a guide cam is arranged on the back surface of the machine head cam main body, a guide groove is formed between the peripheral surface of the guide cam and the outer edge of the machine head cam main body, a roller is arranged in the guide groove and is hinged with a first connecting arm, the end part of the first connecting arm is fixedly provided with a tile pushing head, the front surface of the machine head cam main body is hinged with a second connecting arm, the end part of the second connecting arm is hinged with a tile receiving head, the machine head driving wheel drives the machine head cam main body to rotate through the transmission gear, a roller rolls in the guide groove on the back surface of the machine head cam main body, and in the rolling process, the roller drives the tile pushing head to swing and reset through the first connecting arm, and the tile pushing head can push mahjong strips; meanwhile, when the machine head cam main body rotates, the machine head cam main body drives the card receiving head to reset to carry out card receiving action through the second connecting arm, the structure can drive the card pushing head and the card receiving head to run simultaneously through unidirectional rotation of the machine head cam main body, and parts such as a machine head sliding block, a sliding block guide rod and the like in the original structure are omitted. And the pushing and lifting mechanism of the machine shares a power element (an independent power element is used for the original structure), thereby greatly reducing the cost of the whole machine.
2. The one-way clutch wheel of this structure is equipped with the one-way transmission subassembly that corresponds with the aircraft nose action wheel side, and the one-way clutch wheel can only drive aircraft nose action wheel unidirectional rotation, can avoid the aircraft nose action wheel reversal to lead to pushing away the problem that card head and card receiving head operation are unusual.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another angle of the present utility model;
FIG. 3 is a rear view of the present utility model;
FIG. 4 is a schematic view of a unidirectional transmission assembly of the present utility model;
FIG. 5 is a schematic view of another angle of the unidirectional transmission assembly of the present utility model.
Detailed Description
As shown in fig. 1, 2 and 3, the machine head cam structure comprises a motor 1, a one-way clutch wheel 2 connected with an output shaft of the motor 1, a machine head driving wheel 3 arranged on one side of the one-way clutch wheel 2, a machine head driving wheel 4 meshed with the machine head driving wheel 3 and a machine head cam assembly connected with the machine head driving wheel 4, wherein the machine head cam assembly comprises a machine head cam main body 5, a transmission gear 6 is arranged on the front surface of the machine head cam main body 5, the transmission gear 6 is meshed with the machine head driving wheel 4, a guide cam 7 is arranged on the back surface of the machine head cam main body 5, the transmission gear 6 and the guide cam 7 are integrally formed, and a guide groove 8 is formed between the peripheral surface of the guide cam 7 and the outer edge of the machine head cam main body 5;
a roller 9 is arranged in the guide groove 8, the roller 9 is hinged with a first connecting arm 10, and the end part of the first connecting arm 10 is fixedly provided with a card pushing head 12;
the front surface of the machine head cam main body 5 is hinged with a second connecting arm 13, and the end part of the second connecting arm 13 is hinged with a card connector 14.
Further, as shown in fig. 4 and 5, a unidirectional transmission component corresponding to the machine head driving wheel 3 is arranged on the side surface of the unidirectional clutch wheel 2, the unidirectional transmission component comprises a mounting groove 15 arranged on the surface of the unidirectional clutch wheel 2, a spring 16 and a clutch block 17 which are arranged in the mounting groove 15, one end of the spring 16 is supported at the bottom of the mounting groove 15, the other end of the spring is connected with the clutch block 17, an inclined guide surface 18 is arranged on the surface of the clutch block 17, a rotation stopping surface 19 is arranged on the side surface of the machine head driving wheel 3, the rotation stopping surface 19 corresponds to the inclined guide surface 18, when the inclined guide surface 18 of the clutch block 17 is in extrusion contact with the rotation stopping surface 19, the machine head driving wheel 3 and the unidirectional clutch wheel 2 cannot be synchronously linked, and when the side surface of the clutch block 17 is in extrusion contact with the rotation stopping surface 19, the machine head driving wheel 3 and the unidirectional clutch wheel 2 are synchronously linked.
In summary, the nose cam assembly with the structure comprises a nose cam main body 5, wherein the front surface of the nose cam main body 5 is provided with a transmission gear 6, the transmission gear 6 is meshed with a nose driving wheel 4, the back surface of the nose cam main body 5 is provided with a guide cam 7, wherein the nose cam main body 5, the transmission gear 6 and the guide cam 7 are integrally formed, a guide groove 8 is formed between the peripheral surface of the guide cam 7 and the outer edge of the nose cam main body 5, a roller 9 is arranged in the guide groove 8, the roller 9 is hinged with a first connecting arm 10, and the end part of the first connecting arm 10 is fixedly provided with a card pushing head 12; the front surface of the machine head cam main body 5 is hinged with a second connecting arm 13, the end part of the second connecting arm 13 is hinged with a mahjong tile receiving head 14, after the machine head driving wheel 4 drives the machine head cam main body 5 to rotate through the driving gear 6, the roller 9 rolls in the guide groove 8 on the back surface of the machine head cam main body 5, and in the rolling process, the roller 9 drives the mahjong tile pushing head 12 to swing and reset through the first connecting arm 10, and the mahjong tile pushing head 12 can push mahjong tiles; meanwhile, when the machine head cam main body 5 rotates, the machine head cam main body 5 drives the card receiving head 14 to reset through the second connecting arm 13 to carry out card receiving action, and the structure can drive the card pushing head 12 and the card receiving head 14 to run simultaneously through unidirectional rotation of one machine head cam main body 5, so that the structure is compact in integral structure and simple to install. And the pushing and lifting mechanism of the machine shares a power element (an independent power element is used for the original structure), thereby greatly reducing the cost of the whole machine.
In addition, the side of the unidirectional clutch wheel 2 with the structure is provided with a unidirectional transmission component corresponding to the machine head driving wheel 3, and the unidirectional clutch wheel can only drive the machine head driving wheel 3 to rotate unidirectionally, so that the problem that the card pushing head 12 and the card receiving head 14 run abnormally due to the reverse rotation of the machine head driving wheel 3 can be avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The machine head cam structure comprises a motor, a one-way clutch wheel connected with an output shaft of the motor, a machine head driving wheel arranged on one side of the one-way clutch wheel, a machine head driving wheel meshed with the machine head driving wheel and a machine head cam assembly connected with the machine head driving wheel, and is characterized in that the machine head cam assembly comprises a machine head cam main body, a transmission gear is arranged on the front surface of the machine head cam main body and meshed with the machine head driving wheel, a guide cam is arranged on the back surface of the machine head cam main body, and a guide groove is formed between the peripheral surface of the guide cam and the outer edge of the machine head cam main body;
a roller is arranged in the guide groove and is hinged with a first connecting arm, and the end part of the first connecting arm is fixedly provided with a card pushing head;
the front face of the machine head cam main body is hinged with a second connecting arm, and the end part of the second connecting arm is hinged with the card connector.
2. The machine head cam structure according to claim 1, wherein a one-way transmission assembly corresponding to the machine head driving wheel is arranged on the side face of the one-way clutch wheel.
3. The machine head cam structure according to claim 2, wherein the one-way transmission assembly comprises a mounting groove arranged on the surface of the one-way clutch wheel, a spring and a clutch block, wherein the spring and the clutch block are arranged in the mounting groove, one end of the spring is supported at the bottom of the mounting groove, the other end of the spring is connected with the clutch block, an inclined guide surface is arranged on the surface of the clutch block, a rotation stopping surface is arranged on the side surface of the machine head driving wheel, and the rotation stopping surface corresponds to the inclined guide surface.
4. A machine head cam structure according to claim 3, wherein the machine head driving wheel and the one-way clutch wheel cannot be synchronously linked when the inclined guide surface of the clutch block is in extrusion contact with the rotation stopping surface, and the machine head driving wheel and the one-way clutch wheel are synchronously linked when the side surface of the clutch block is in extrusion contact with the rotation stopping surface.
5. A nose cam assembly according to claim 3, wherein the nose cam body, the drive gear and the guide cam are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222618149.9U CN218890138U (en) | 2022-09-30 | 2022-09-30 | Machine head cam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222618149.9U CN218890138U (en) | 2022-09-30 | 2022-09-30 | Machine head cam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218890138U true CN218890138U (en) | 2023-04-21 |
Family
ID=85998185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222618149.9U Active CN218890138U (en) | 2022-09-30 | 2022-09-30 | Machine head cam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218890138U (en) |
-
2022
- 2022-09-30 CN CN202222618149.9U patent/CN218890138U/en active Active
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