Mahjong machine conveying assembly and mahjong machine

Abstract

The utility model discloses a mahjong machine conveying assembly and a mahjong machine, the conveying assembly comprises a conveying platform arranged at the downstream of a magnetic attraction wheel, the conveying platform is provided by at least one conveying roller, and the conveying roller is made of rubber materials; and at least one conveying roller is in friction transmission with a circumferential driving unit, or at least one conveying roller is provided with a roller shaft which is driven by the circumferential driving unit to rotate. According to the conveying assembly, a conveying belt is omitted, at least one conveying roller is directly used as a conveying platform, and when the conveying rollers rotate, mahjong tiles can be conveyed forwards; moreover, the conveying roller is made of a rubber material, so that when the conveying roller is in friction transmission or meshing transmission with the circumferential driving unit, the requirement on the torque of the circumferential driving unit is low, and the power cost is relatively reduced; and meanwhile, the conveying rollers made of rubber are not easy to generate noise no matter in friction transmission of the circumferential driving unit or in contact with the mahjong tiles.

Description

Technical Field

[0001] The utility model belongs to the technical field of mahjong machines, and particularly relates to a conveying component of a mahjong machine and a mahjong machine. Background Art

[0002] A conveying component is a structure of a mahjong machine arranged between a magnetic attraction wheel and a card stacking seat, and is used for sending the mahjong tiles picked up by the magnetic attraction wheel from a shuffling large plate to the card stacking seat one by one to stack into a card stack.

[0003] In a traditional mahjong machine, a rotating roller is usually arranged on the side of the card stacking seat, and then a conveyor belt is wound between the rotating roller and the magnetic attraction wheel, so that the transfer of mahjong tiles from the magnetic attraction wheel to the card stacking seat can be realized.

[0004] However, this kind of conveying component has the following disadvantages: in order to enable the conveyor belt to run reciprocally following the rotation of the magnetic attraction wheel and the rotating roller, a tensioning structure must be set to tension the conveyor belt, and the tensioned conveyor belt will increase a certain operating load on the motor connected to the magnetic attraction wheel or the rotating roller, resulting in an increased requirement for the motor torque of the mahjong machine. Summary of the Utility Model

[0005] The invention object of the utility model is to provide a conveying component of a mahjong machine, which can solve the problems existing in the traditional transportation of mahjong tiles by a conveyor belt.

[0006] To achieve the above invention object, the technical solution of the utility model is as follows:

[0007] A conveying component of a mahjong machine includes a conveying platform arranged downstream of a magnetic attraction wheel, and the conveying platform is provided by at least one conveying roller made of rubber material; and at least one of the conveying rollers is in friction drive with a circumferential driving unit, or at least one of the conveying rollers has a roller shaft driven to rotate by the circumferential driving unit.

[0008] The conveying component of the utility model omits the conveyor belt and directly uses at least one conveying roller as the conveying platform. When the conveying roller rotates, the mahjong tiles will be conveyed forward; moreover, the conveying roller is made of rubber material, and when in friction drive with the circumferential driving unit, the torque requirement for the circumferential driving unit is relatively small, and the power cost is relatively reduced; at the same time, the rubber conveying roller is not likely to generate noise whether in friction drive with the circumferential driving unit or in contact with the mahjong tiles.

[0009] In addition to setting the outer surface of the conveying roller to be in direct friction drive with the circumferential driving unit, the circumferential driving unit can also be directly used to drive the roller shaft to rotate, and at this time the conveying roller will also rotate accordingly. In this case, it is not likely to generate noise either.

[0010] In the above-mentioned mahjong machine conveying assembly, the circumferential driving unit includes a circumferential driver, and a driving roller is fixedly connected to the output shaft of the circumferential driver. The conveying roller is in friction transmission with the driving roller.

[0011] In the above-mentioned mahjong machine conveying assembly, the conveying roller includes a conveying roller body, and an annular transmission groove is formed on the outer circumference of the conveying roller body. The outer edge of the driving roller is embedded in the transmission groove.

[0012] At least the bottom surface of the transmission groove is in friction transmission with the outer circumferential surface of the driving roller.

[0013] On the one hand, the transmission groove can provide a bottom surface for friction transmission with the driving roller. On the other hand, it can also ensure that the conveying roller will not have axial displacement with respect to the driving roller, ensuring the stability of the transmission process and the mahjong tile conveying process.

[0014] In the present utility model, the transmission groove can be recessed on the surface of the conveying roller body, or can be formed by enclosing two convex rings after protruding two convex rings on the surface of the conveying roller body. That is to say: the outer diameter of the bottom surface of the transmission groove can be equivalent to or smaller than the outer diameter of the conveying roller body.

[0015] Obviously, the smaller the outer diameter of the bottom surface of the transmission groove is set, the more beneficial it is to save the power cost of the circumferential driving unit, the lower the rotational speed requirement for the circumferential driving unit is, and the circumferential driving unit can endow the conveying platform provided by the conveying roller with a larger conveying speed at a smaller rotational speed.

[0016] As a preference, in the above-mentioned mahjong machine conveying assembly, both the bottom surface and the side walls of the transmission groove are in friction transmission with the corresponding parts of the driving roller. The three-sided friction transmission makes the transmission more stable and effective.

[0017] As a further preference, in the above-mentioned mahjong machine conveying assembly, the opening of the transmission groove gradually becomes larger from the bottom to the opening; this is convenient for assembling the conveying roller onto the driving roller.

[0018] As a further preference, in the above-mentioned mahjong machine conveying assembly, the two side walls of the transmission groove are symmetrically arranged; this can ensure that the forces at each contact position between the conveying roller and the driving roller are uniform, avoiding different degrees of wear caused by uneven forces and ultimately resulting in poor transmission.

[0019] As a preference, in the above-mentioned mahjong machine conveying assembly, there are at least two conveying rollers arranged in parallel.

[0020] The outer diameter of the active roller is greater than that of the conveying roller, and at least two adjacent conveying rollers are friction-driven by the same active roller. Appropriately increasing the number of conveying rollers is beneficial to forming a conveying platform for stable operation of the mahjong tiles; and using the same active roller to drive at least two adjacent conveying rollers to rotate will not cause an increase in power cost.

[0021] The outer surface of the conveying roller is a circumferential surface, and there will inevitably be transition gaps between adjacent conveying rollers. In order to reduce these transition gaps and make the mahjong tiles more stable during conveying, the outer diameter of the conveying roller can be set to be smaller, but this requires a larger number of conveying rollers; or without increasing the number of conveying rollers, adjacent conveying rollers can be made to cross each other. The second measure is more preferable, that is, in the above-mentioned mahjong machine conveying assembly, the axial projection parts of two adjacent conveying rollers overlap and do not interfere with each other. Although they cross each other, they do not interfere with each other, and do not add an additional torque burden to the active roller.

[0022] In the present utility model, the way to make the axial projection parts of two adjacent conveying rollers overlap is: the conveying roller is formed with male convex rings and female grooves arranged axially at intervals, and the male convex rings on the conveying roller are placed into the female grooves of the adjacent conveying roller but do not contact each other;

[0023] The conveying platform is provided by the mutually staggered male convex rings, and the outer diameter of the male convex ring is equal to or greater than the outer diameter of the conveying roller body.

[0024] Obviously, it is more preferable to set the outer diameter of the male convex ring to be greater than the outer diameter of the conveying roller body. At this time, the male convex rings on two adjacent conveying rollers cross each other, and the conveying platform is completely provided by the male convex rings; and the larger the outer diameter of the male convex ring, the faster the conveying speed can be given to the conveying platform, and the lower the rotational speed requirement for the circumferential driving unit.

[0025] As a preference, in the above-mentioned mahjong machine conveying assembly, the magnetic attraction wheel is driven to rotate by the circumferential driver, further reducing the power cost;

[0026] There are many transmission methods between the circumferential driver and the magnetic attraction wheel. It can be: a driving gear is fixedly connected to the output shaft of the circumferential driver, and a transmission gear meshing with the driving gear is provided on the magnetic attraction wheel;

[0027] It can also be: a driving roller is fixedly connected to the output shaft of the circumferential driver, and a transmission roller frictionally driven by the driving roller is provided on the magnetic attraction wheel; Those skilled in the art can choose arbitrarily according to needs.

[0028] In the present utility model, the driving gear or the driving roller and the driving roller can be separately provided or integrally formed; when integrally formed, it is necessary to ensure that the outer diameter of the driving roller is greater than the outer diameter of the driving gear or the driving roller; so that the outer peripheral edge of the driving roller can be embedded in the driving groove of the conveying roller.

[0029] Preferably, in the above-mentioned mahjong machine conveying assembly, the mahjong machine conveying assembly includes a conveying bracket, and a support ring rotatably matched with the conveying bracket is provided on the magnetic attraction wheel, and the outer diameter of the support ring is greater than the outer diameter of the magnetic attraction wheel, and an avoidance groove for avoiding the support ring is formed on the conveying roller adjacent to the magnetic attraction wheel so that the conveying roller approaches the magnetic attraction wheel.

[0030] The present utility model also provides a mahjong machine, and the mahjong machine includes the above-mentioned mahjong machine conveying assembly.

[0031] Compared with the prior art, the beneficial effects of the present utility model are reflected in:

[0032] (1) The conveying assembly of the present utility model omits the conveyor belt and directly uses at least one conveying roller as the conveying platform. When the conveying roller rotates, the mahjong tiles will be conveyed forward; moreover, the conveying roller is made of rubber material, and when frictionally driving with the circumferential driving unit, the torque requirement for the circumferential driving unit is relatively small, and the power cost is relatively reduced; at the same time, the rubber conveying roller is not likely to generate noise whether it is frictionally driving with the circumferential driving unit or contacting the mahjong tiles.

[0033] (2) In the present utility model, an annular driving groove is formed on the outer periphery of the conveying roller, and the outer edge of the driving roller is embedded in the driving groove; at the same time, the bottom surface and the side wall of the driving groove are frictionally driven with the corresponding parts of the driving roller, and the three-sided friction drive makes the drive more stable and effective.

[0034] (3) In the present utility model, the axial projection parts of two adjacent conveying rollers overlap and do not interfere with each other, so that the transition gap between adjacent conveying rollers can be reduced without increasing the number of conveying rollers, making the mahjong tiles more stable during the conveying process; although the axial projection parts of two adjacent conveying rollers overlap, they still do not interfere with each other and will not increase an additional torque burden on the driving roller.

[0035] (4) In the present utility model, the way to make the axial projections of two adjacent conveying rollers partially overlap is as follows: The conveying rollers are formed with male convex rings and female grooves arranged axially at intervals. The male convex rings on the conveying rollers are placed into the female grooves of adjacent conveying rollers but do not contact each other; the outer diameter of the male convex ring is equal to or larger than the outer diameter of the conveying roller. Obviously, it is more preferable to set the outer diameter of the male convex ring to be larger than the outer diameter of the conveying roller body. At this time, the male convex rings on two adjacent conveying rollers intersect with each other, and the conveying platform is completely provided by the male convex rings; and the larger the outer diameter of the male convex ring, the faster the conveying speed can be given to the conveying platform, and the lower the rotational speed requirement for the circumferential driving unit. Obviously, setting the outer diameter of the bottom surface of the transmission groove to be smaller than the outer diameter of the conveying roller body can also achieve the same effect.

[0036] (5) In the present utility model, the magnetic attraction wheel and each conveying roller are driven to rotate by the same circumferential driver, further reducing the power cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is a schematic structural view of the conveying component of the mahjong machine of the present utility model;

[0038] Figure 2 is a schematic structural view of the conveying component of the mahjong machine of the present utility model from another perspective;

[0039] Figure 3 is an exploded structural view of the conveying component of the mahjong machine of the present utility model;

[0040] Figure 4 is an exploded structural view of the conveying component of the mahjong machine of the present utility model from another perspective;

[0041] Figure 5 is another exploded structural view of the conveying component of the mahjong machine of the present utility model;

[0042] Figure 6 is Figure 5 a schematic structural view of the conveying roller in

[0043] Figure 7 is Figure 4 a schematic structural view of the driving roller in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0044] The technical solutions of the present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0045] Embodiment 1

[0046] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown in the figure, a conveying component of a mahjong machine in this embodiment includes a conveying bracket 1. A magnetic adsorption wheel 2 is rotationally engaged with the conveying bracket 1 through a support ring 21, and the outer diameter of the support ring 21 is greater than the outer diameter of the magnetic adsorption wheel 2. A conveying platform 100 is provided downstream of the magnetic adsorption wheel 2, and the conveying platform 100 is provided by at least one conveying roller 3. When the conveying roller 3 rotates, the mahjong tiles passing through the upper surface of the conveying roller 3 are forwarded.

[0047] The number of the conveying rollers 3 can be freely set according to the length of the required conveying platform 100 and the outer diameter of the conveying rollers 3. In this embodiment, two parallel conveying rollers 3 are provided, and each conveying roller 3 is rotationally engaged with the conveying bracket 1 through a shaft. The outer diameters of the two conveying rollers 3 can be the same or different, as long as it is ensured that the conveying platform 100 formed by the top surfaces of the two conveying rollers 3 is in the same plane.

[0048] The conveying roller 3 in this embodiment is made of rubber material, and all the conveying rollers 3 are frictionally driven by a circumferential driving unit 4. Moreover, the magnetic adsorption wheel 2 is also driven by the circumferential driving unit 4. In this way, one circumferential driver 41 is saved, and there is no excessive requirement for the torque of the circumferential driving unit 4, and the power cost is low.

[0049] As Figure 3 and Figure 7 shown, the circumferential driving unit 4 includes a circumferential driver 41 (a motor is used in this embodiment), and a driving roller 42 and a driving gear 43 fixedly installed on the output shaft of the circumferential driver 41. In this embodiment, the driving roller 42 and the driving gear 43 are integrally formed. Among them, the driving roller 42 is frictionally driven with the conveying roller 3, and the driving gear 43 is meshed and driven with a transmission gear 22 provided on the magnetic adsorption wheel 2.

[0050] For the frictional drive between the driving roller 42 and the conveying roller 3, since two conveying rollers 3 are provided in this embodiment, in order to enable the driving roller 42 to frictionally drive all the conveying rollers 3, in this embodiment, the outer diameter of the driving roller 42 is greater than the outer diameter of each conveying roller 3. In this case, each conveying roller 3 is directly driven by the driving roller 42 and does not interfere with each other. Therefore, the rotation directions of all the conveying rollers 3 are consistent with the conveying direction of the mahjong tiles, and there is no need to provide a steering structure between them.

[0051] As Figure 6 shown, in combination with Figure 3 and Figure 4It can be seen that, in order to ensure effective transmission between the conveying roller 3 and the driving roller 42 and avoid affecting the transmission due to misalignment between the two, in this embodiment, the conveying roller 3 includes a conveying roller body 30 rotatably connected to the conveying bracket 1. A transmission groove 31 is formed on the surface of the conveying roller body 30, and the outer edge of the driving roller 42 is embedded in the transmission groove 31. In order not to affect the embedding of the driving roller 42 into the transmission groove 31, the outer diameter of the driving roller 42 needs to be larger than the outer diameter of the driving gear 43.

[0052] The transmission groove 31 can be recessed on the surface of the conveying roller body 30, or can be formed by enclosing two convex rings on the surface of the conveying roller body 30. There are no special requirements for this embodiment. That is to say, the outer diameter of the bottom surface of the transmission groove 31 can be equivalent to the outer diameter of the conveying roller body 30, or can be smaller than the outer diameter of the conveying roller body 30. Obviously, the smaller the outer diameter of the bottom surface of the transmission groove 31 is set, the more beneficial it is to save the power cost of the circumferential driving unit, and the lower the rotational speed requirement for the circumferential driver 41. In this way, the circumferential driver 41 can impart a larger conveying speed to the conveying platform 100 provided by the conveying roller 3 at a lower rotational speed.

[0053] From Figure 4 、 Figure 5 and Figure 6 it can be seen that, in order to facilitate the assembly of the conveying roller 3 onto the driving roller 42, the opening of the transmission groove 31 of this embodiment gradually becomes larger from the groove bottom to the groove opening.

[0054] In this embodiment, the transmission groove 31 can frictionally drive with the outer peripheral surface of the driving roller 42 only at its groove bottom surface, or the groove bottom surface and the groove side wall can both frictionally drive with the corresponding parts of the driving roller 42. Obviously, the three-sided frictional drive makes the drive more stable and effective.

[0055] In this case, it is best to symmetrically arrange the two groove side walls of the transmission groove 31 so that the transmission groove 31 has an isosceles trapezoidal cross-section. In this way, it can be ensured that the forces at each contact position between the conveying roller 3 and the driving roller 42 are uniform, avoiding different degrees of wear caused by uneven forces and ultimately resulting in poor transmission.

[0056] The outer surface of the conveying roller 3 is a circumferential surface, and there will inevitably be transition gaps between adjacent conveying rollers 3. In order to reduce these transition gaps and make the mahjong tiles more stable during the conveying process, two remedial measures can be taken: First, set the outer diameter of the conveying roller 3 to be smaller, but this requires setting a larger number of conveying rollers 3; Second, make the axial projection parts of two adjacent conveying rollers 3 overlap but still remain non-interfering, without adding an additional torque burden to the driving roller 42.

[0057] Such as Figure 3 、 Figure 4 、 Figure 5 andFigure 6 As shown, in this embodiment, the second method is adopted, that is, male convex rings 32 and female grooves 33 arranged axially are formed at intervals on the conveying roller 3, and the male convex rings 32 on the conveying roller 3 are placed in the female grooves 33 of the adjacent conveying roller 3, but the two do not contact each other.

[0058] The outer diameter of the male convex ring 32 can be equal to or larger than the outer diameter of the conveying roller body 30; obviously, it is more preferable to set the outer diameter of the male convex ring 32 to be larger than the outer diameter of the conveying roller body 30. At this time, the male convex rings 32 on two adjacent conveying rollers 3 intersect with each other, and the conveying platform 100 is completely provided by the male convex rings 32; and the larger the outer diameter of the male convex ring 32, the faster the conveying speed that can be given to the conveying platform 100, and the lower the rotational speed requirement for the circumferential driver 41.

[0059] As Figure 3 、 Figure 4 and Figure 5 shown, similarly, in order to reduce the gap between the conveying roller 3 and the magnetic attraction wheel 2, in this embodiment, an avoidance groove 34 for avoiding the support ring 21 is also formed on the conveying roller 3 adjacent to the magnetic attraction wheel 2.

[0060] The working principle of the mahjong machine conveying assembly in this embodiment is as follows:

[0061] When it is necessary to pick up the mahjong tiles, the motor starts, and the driving roller 42 and the driving gear 43 are synchronously driven. Among them, the driving gear 43 meshes with the transmission gear 22 on the magnetic attraction wheel 2 to drive the magnetic attraction wheel 2 to rotate to pick up the mahjong tiles from the shuffling large plate; and the driving roller 42 is frictionally driven with each conveying roller 3. When the magnetic attraction wheel 2 picks up the mahjong tiles, the mahjong tiles move onto the conveying roller 3 along with the rotating magnetic attraction wheel 2, and reach the stacking seat at the end of the conveying platform 100 in sequence under the conveyance of the conveying roller 3.

[0062] Embodiment 2

[0063] A mahjong machine conveying assembly in this embodiment has basically the same structure as that in Embodiment 1, except that: the conveying roller 3 has a roller shaft, and a driven gear is fixedly arranged on the roller shaft, and the driven gear drives the roller shaft and the conveying roller to rotate by meshing with the driving gear 43.

[0064] Embodiment 3

[0065] A mahjong machine in this embodiment includes a shuffling large plate, and the same conveying assemblies as those in Embodiment 1 are provided on all four sides of the shuffling large plate.

Claims

1. A conveying assembly of a mahjong machine, comprising a conveying platform (100) arranged downstream of a magnetic attraction wheel (2), characterized in that, The described conveying platform (100) is provided by at least one conveying roller (3) made of rubber material; and at least one of the conveying rollers (3) is frictionally driven by a circumferential driving unit (4), or at least one of the conveying rollers (3) has a roller shaft driven to rotate by the circumferential driving unit (4).

2. The conveying assembly of the mahjong machine according to claim 1, wherein, The described circumferential driving unit (4) includes a circumferential driver (41), and a driving roller (42) is fixedly connected to the output shaft of the circumferential driver (41), and the conveying roller (3) is frictionally driven by the driving roller (42).

3. The conveying assembly of the mahjong machine according to claim 2, wherein, The conveying roller (3) includes a conveying roller body (30), and an annular driving groove (31) is formed on the outer circumference of the conveying roller body (30), and the outer edge of the driving roller (42) is embedded in the driving groove (31). At least the bottom surface of the driving groove (31) is frictionally driven with the outer circumferential surface of the driving roller (42). The outer diameter of the bottom surface of the driving groove (31) is equal to or smaller than the outer diameter of the conveying roller body (30).

4. The conveying assembly of the mahjong machine according to claim 3, wherein, Both the bottom surface and the side wall of the driving groove (31) are frictionally driven with the corresponding parts of the driving roller (42).

5. The conveying assembly of the mahjong machine according to claim 3 or 4, wherein The opening of the driving groove (31) gradually becomes larger from the bottom to the mouth of the groove. The two side walls of the driving groove (31) are symmetrically arranged.

6. The conveying component of the mahjong machine according to claim 2, characterized in that, There are at least two of the conveying rollers (3) arranged in parallel. The outer diameter of the driving roller (42) is larger than the outer diameter of the conveying roller (3), and at least two adjacent conveying rollers (3) are frictionally driven by the same driving roller (42).

7. The conveying assembly of the mahjong machine according to claim 6, characterized in that, The axial projection parts of two adjacent conveying rollers (3) overlap and do not interfere with each other.

8. The conveying component of the mahjong machine according to claim 7, wherein, Male convex rings (32) and female grooves (33) arranged axially are formed at intervals on the conveying roller (3), and the male convex rings (32) on the conveying roller (3) are placed in the female grooves (33) of adjacent conveying rollers (3) but do not contact each other. The conveying platform (100) is provided by the male convex rings (32) that intersect with each other, and the outer diameter of the male convex rings (32) is equal to or larger than the outer diameter of the conveying roller body (30).

9. The conveying assembly of the mahjong machine according to claim 2, characterized in that, The magnetic attraction wheel (2) is driven to rotate by the circumferential driver (41). A driving gear (43) is fixedly connected to the output shaft of the circumferential driver (41), and a transmission gear (22) meshing with the driving gear (43) is provided on the magnetic attraction wheel (2). Alternatively, a driving roller is fixedly connected to the output shaft of the circumferential driver (41), and a transmission roller frictionally driven by the driving roller is provided on the magnetic attraction wheel (2). The driving gear (43) or the driving roller is separately arranged or integrally formed with the driving roller (42). The outer diameter of the driving roller (42) is larger than the outer diameter of the driving gear (43) or the driving roller. The described mahjong machine conveying assembly includes a conveying bracket (1). A support ring (21) that is rotationally engaged with the conveying bracket (1) is provided on the magnetic attraction wheel (2). The outer diameter of the support ring (21) is larger than the outer diameter of the magnetic attraction wheel (2). An avoidance groove (34) for avoiding the support ring (21) is formed on the conveying roller (3) adjacent to the magnetic attraction wheel (2) so that the conveying roller (3) approaches the magnetic attraction wheel (2).

10. A mahjong machine, characterized in that, It includes the mahjong machine conveying assembly according to any one of claims 1-9.

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