A card feeding device of a card shuffler

Abstract

The utility model belongs to the technical field of card arranging machine, concretely relates to a card arranging machine card feeding device, including the card shuffler disc and the card poking strip, the edge four around of card shuffler disc is provided with the card feeding channel, the periphery of card shuffler disc or the inside edge of card feeding channel is provided with the limit baffle, under the rotation of card shuffler disc and the poking of card poking strip or the restriction of the inclined channel wall structure of card feeding channel, one side of the card body can abut against the limit baffle and is sent out through the card feeding channel, the limit baffle of the utility model can abut against the side of card body, in the process of sending out through the card feeding channel and the conveying mechanism, can guide the card body in the first state to the second state or poke back to the card shuffler disc through the card arranging mechanism, avoids the phenomenon of the blockage of card feeding channel or long-term no card body passing.

Description

Technical Field

[0001] This utility model belongs to the technical field of card sorting machines, and specifically relates to a card feeding device for a card sorting machine. Background Technology

[0002] Current card sorting machines generally include mahjong machines, domino machines, etc., which mainly sort out entertainment cards, save users time, and enhance the entertainment value.

[0003] Existing card sorting machines mainly fall into two categories: magnetic and non-magnetic. For magnetic methods, both the card manufacturing process and the machine's structure are relatively complex and costly. For non-magnetic methods, the structure is simpler. During the rotation of the shuffling disc, the cards move towards the edge under the influence of rotation and centrifugal force, and are then conveyed to a conveying mechanism via card feeding channels around the disc's edge. The conveying mechanism then transports the cards to subsequent processes until a lifting mechanism ejects them from the machine for user use.

[0004] For non-magnetic methods, the state of the cards during the transfer from the shuffling plate to the delivery channel is uncertain. For example, the cards might be vertical, narrowly horizontal, or widely horizontal. Cards in a narrowly horizontal position can smoothly enter the delivery channel for further processing. If the cards are not in a narrowly horizontal position, they may block the delivery channel or prevent cards from entering for extended periods, significantly prolonging the entire card sorting process and leading to a poor user experience. Summary of the Invention

[0005] This invention addresses the technical problem that card sorting machines using a non-magnetic method may experience blockages in the card delivery channel or have the channel remaining empty for extended periods, significantly prolonging the entire card sorting process and resulting in a poor user experience. The purpose is to provide a card delivery device for a card sorting machine.

[0006] To solve the aforementioned technical problems, this utility model provides a card feeding device for a card sorting machine. The card feeding device includes a shuffling plate and a card pushing strip, and a card feeding channel is provided around the edge of the shuffling plate. The card feeding device of the card sorting machine also includes a limiting baffle, which is disposed at least once on the periphery of the shuffling plate or on the inner side of the card feeding channel; When the limiting baffle is located around the shuffling plate, under the rotation of the shuffling plate and the movement of the card-pushing strip, one side of the card can abut against the limiting baffle and be sent out through the card-feeding channel. When the limiting baffle is set on the inner side of the card delivery channel, the bottom channel wall of the card delivery channel is an inclined channel wall structure with the channel wall on the side away from the limiting baffle being higher and the channel wall on the side close to the limiting baffle being lower. One side of the card can abut against the limiting baffle and be delivered through the card delivery channel.

[0007] Optionally, in the card feeding device of the card feeding machine as described above, the card feeding device further includes a card feeding mechanism, which is used to push the cards in the first state on the card feeding channel or conveying mechanism back to the shuffling plate or guide them to other states.

[0008] Optionally, in the card feeding device of the card sorting machine as described above, the card feeding channel serves as the card sorting mechanism. The side of the card feeding channel away from the limiting baffle has a communication port that communicates with the shuffling plate. The width of the card feeding channel is greater than half the width of the card body and less than half the length of the card body. The card body in the first state is pushed back to the shuffling plate through the communication port by the card feeding channel.

[0009] Optionally, in the card feeding device of the card sorting machine as described above, the card feeding channel is an inclined card feeding channel with a slope, and the height of the bottom channel wall of the card feeding channel to the shuffling plate gradually increases along the rotation direction of the shuffling plate.

[0010] Optionally, in the card feeding device of the card feeding machine as described above, the card feeding mechanism is a guide bar. The guide bar is disposed on the side of the path from the card feeding channel to the conveying mechanism and is located on the side close to the shuffling plate. The distance from the guide bar to the limiting baffle is greater than the width of the card body and less than the length of the card body. The top surface of the guide bar is a sloping cross-section. The height of the cross-section to the shuffling plate gradually increases along the rotation direction of the shuffling plate. The guide bar guides the card body in the first state to the third state.

[0011] Optionally, in the card feeding device of the card sorting machine as described above, the minimum height of the guide bar is not higher than the bottom height of the card feeding channel or conveying mechanism on the side.

[0012] Optionally, in the card feeding device of the card sorting machine as described above, the card sorting mechanism is a guide bar. The guide bar is disposed above the path from the card feeding channel to the conveying mechanism. The bottom surface of the guide bar is a sloping cut surface near the shuffling plate. The distance from the cut surface to the limiting baffle is greater than the width of the card body and less than the length of the card body. The side of the cut surface has a connecting port that connects to the shuffling plate. The height of the cut surface to the shuffling plate gradually decreases along the rotation direction of the shuffling plate. The guide bar pushes the card body in the first state back to the shuffling plate.

[0013] Optionally, in the card feeding device of the card sorting machine as described above, the height from the lowest point of the guide bar to the bottom surface of the card feeding channel or conveying mechanism on the side is not higher than the height of the card body.

[0014] Optionally, in the card feeding device of the card sorting machine as described above, the surface of the shuffling disc is an inclined disc that gradually slopes downward from the center to the edge.

[0015] Optionally, in the card feeding device of the card sorting machine as described above, when the limiting baffle is disposed around the shuffling plate, the bottom channel wall of the card feeding channel is an inclined channel wall structure with the channel wall on the side away from the limiting baffle being higher and the channel wall on the side closer to the limiting baffle being lower.

[0016] Optionally, in the card feeding device of the card sorting machine as described above, the shuffling plate is provided with a pusher that rotates with the shuffling plate, and the distance from the pusher to the limiting baffle is greater than the width of the card feeding channel and less than the width of the card body.

[0017] Optionally, in the card feeding device of the card sorting machine as described above, the top surface of the pusher is a sloping cut surface, and the height of the cut surface to the shuffling plate gradually decreases along the rotation direction of the shuffling plate.

[0018] Optionally, in the card feeding device of the card sorting machine as described above, the distance between the end of the card pusher bar and the limiting baffle is greater than the width of the card body but less than the length of the card body.

[0019] Optionally, in the card feeding device of the card sorting machine as described above, the limiting baffle is provided with a card outlet, the side of the card outlet has a connecting port connecting the card outlet and the shuffling plate, the card outlet is located on the path from the card feeding channel to the conveying mechanism, and the height of the card outlet is greater than the height of the card body and less than the width of the card body.

[0020] A card sorting machine employs the card feeding device described above.

[0021] Optionally, in the card sorting machine described above, the card sorting machine is a mahjong machine, a poker machine, a domino machine, or a pull-a-middle card machine.

[0022] The positive and progressive effects of this utility model are as follows: the limiting baffle of this utility model can abut against the side of the card body. During the process of the card body being sent out through the card feeding channel and the conveying mechanism, the card body in the first state can be guided to the second state or returned to the shuffling plate by the card sorting mechanism, so as to avoid the blockage of the card feeding channel or the phenomenon of no card body passing through for a long time. Attached Figure Description

[0023] The disclosure of this utility model will become more apparent with reference to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings: Figure 1(a) is a structural schematic diagram of Embodiment 1 of this utility model; Figure 1(b) is a schematic diagram of Figure 1(a) from another angle; Figure 1(c) is a partially enlarged schematic diagram of Figure 1(b); Figure 2(a) is a structural schematic diagram of Embodiment 2 of this utility model; Figure 2(b) is a partially enlarged schematic diagram of Figure 2(a); Figure 2(c) is a magnified view of the area behind the manager's sign in Figure 2(b); Figure 3(a) is a structural schematic diagram of Embodiment 3 of this utility model; Figure 3(b) is a partially enlarged schematic diagram of Figure 3(a); Figure 3(c) is a magnified view of the part behind the manager's sign in Figure 3(b); Figure 3(d) is an enlarged schematic diagram of another state of Embodiment 3 of this utility model. Detailed Implementation

[0024] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0025] It should be noted that, unless otherwise specified, the following embodiments and features can be combined with each other.

[0026] In the description of this utility model, it should be noted that the directional terms such as "outer side", "middle section", "inner", "outer" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0028] Example 1: Referring to Figures 1(a) to 1(c), this example provides a card feeding device for a card sorting machine. The card feeding device is applied in a card sorting machine. The card feeding device includes a shuffling plate 10 and a card pushing strip 20. The shuffling plate 10 has a card feeding channel 30 around its perimeter.

[0029] Typically, the shuffling disc 10 is rotatable, rotating clockwise or counterclockwise around a vertical axis. The card-pulling strip 20 remains stationary relative to the shuffling disc 10. During the rotation of the shuffling disc 10, the card-pulling strip 20 moves the cards 90, shuffling the cards and moving them to the periphery of the shuffling disc 10. The four card-feeding channels 30 around the shuffling disc 10 gradually feed the cards 90 to the conveying mechanism connected to the card-feeding channels 30. The conveying mechanism then sends the cards 90 to subsequent processes such as flipping, stacking, and pushing cards.

[0030] The shuffling plate 10 is provided with a limiting baffle 40 around its perimeter. When the shuffling plate 10 rotates and the card-pushing strip 20 moves, one side of the card body 90 can abut against the limiting baffle 40 and be sent out through the card delivery channel 30.

[0031] When the card body 90 comes into contact with the limiting baffle 40 on one side, depending on the position of the card body 90 on the limiting baffle 40 and the structure of the limiting baffle 40, there may be situations where one side of the card body 90 is completely in contact with the limiting baffle 40, or there may be situations where a corner of one side of the card body 90 is in contact with the limiting baffle 40.

[0032] During the process of sending the deck 90 from the shuffling plate 10 to the delivery channel 30, the deck 90 may be in multiple states, as shown in Figure 1(c). The deck 90a is in the first state, and the deck 90b is in the second state. The deck 90b is in a state where it can smoothly enter the delivery channel for subsequent processing. Therefore, it is necessary to guide the deck 90a in the first state to the deck 90b in the second state before sending it out, or to return the deck 90a in the first state to the shuffling plate 10.

[0033] In this embodiment, the card delivery channel 30 is used as a card sorting mechanism to achieve the purpose of returning the card body 90a in the first state to the shuffling plate 10.

[0034] The side of the card delivery channel 30 away from the limiting baffle 40 (i.e., the inner side) has a communication opening that connects to the shuffling plate 10. As shown in Figure 1(c), the side of the card delivery channel 30 away from the limiting baffle 40 has no inner sidewall and is designed as an open structure. More preferably, the card delivery channel 30 has no sidewalls on either the inner or outer sides, and both sides are open structures. The outer side of the card delivery channel 30 can be served by the limiting baffle 40 as its outer sidewall. In this case, the outer side of the conveying mechanism that docks with the card delivery channel 30 also has the limiting baffle 40 as its outer sidewall. The width of the card delivery channel 30 is greater than half the width of the card body 90, and the width of the card delivery channel 30 is less than half the length of the card body 90.

[0035] As shown in Figure 1(c), let the length of the card body 90 be L, the width be W, the height be H, and the width of the card delivery channel 30 be a. Then, a > W / 2 and a < L / 2.

[0036] In the card delivery channel 30 designed above, when the card 90b is in the second state, it will not fall off the card delivery channel 30 because its outer side abuts against the limiting baffle 40 and most of it is on the card delivery channel 30. When the card 90a is in the first state, it will fall off the card delivery channel 30 into the shuffling plate 10 because its outer side abuts against the limiting baffle 40 and most of it is exposed on the card delivery channel 30.

[0037] In some embodiments, the limiting baffle 40 is a ring-shaped structure or an arc-shaped structure arranged around the shuffling disk 10 in the circumferential direction.

[0038] In some embodiments, the card delivery channel 30 is an inclined card delivery channel 30 with a slope, and the height of the bottom channel wall of the card delivery channel 30 to the shuffling plate 10 gradually increases along the rotation direction of the shuffling plate 10.

[0039] In the card delivery channel 30 designed above, the card body 90 is in an uphill state when it is delivered out of the card delivery channel 30.

[0040] In some embodiments, the shuffling disk is a sloping disk that gradually slopes downward from the center to the edge.

[0041] Due to the design of the tilting plate, the card body 90 located in the middle can be more smoothly transported to the limiting baffle 40 around the shuffling plate 10 as the shuffling plate 10 rotates, and the two can make contact.

[0042] In some embodiments, the bottom channel wall of the card delivery channel 30 is an inclined channel wall structure with a higher channel wall on the side away from the limiting baffle 40 and a lower channel wall on the side closer to the limiting baffle 40.

[0043] To ensure that the outer sidewall of the card body 90 can abut against the limiting baffle 40 when it is located on the card delivery channel 30, this embodiment improves the card delivery channel 30 so that it forms an inclined channel wall structure with a lower outer side and a higher inner side. When the card body 90 is located on the card delivery channel 30, the card body 90 will move to the lower outer side, so that the outer sidewall of the card body 90 can abut against the limiting baffle 40.

[0044] In some embodiments, the shuffling disc 10 is provided with a pusher 50 that rotates with the shuffling disc 10. The distance between the pusher 50 and the limiting baffle 40 is greater than the width of the card delivery channel 30, and the distance between the pusher 50 and the limiting baffle 40 is less than the width of the card body 90.

[0045] The pusher 50, which rotates with the shuffling plate 10, can push the cards 90 located at the edge of the shuffling plate 10 to the card delivery channel 30, and then push the cards 90 on the card delivery channel 30 to the conveying structure.

[0046] Specifically, multiple push bars 50 can be provided, and multiple push bars 50 are evenly arranged around the shuffling plate 10.

[0047] In some embodiments, the top surface of the pusher 50 is a sloping cross-section, and the height of the cross-section to the shuffling disk 10 gradually decreases along the rotation direction of the shuffling disk 10.

[0048] In some embodiments, the distance between the end of the card-pulling strip 20 and the limiting baffle 40 is greater than the width of the card body 90 and less than the length of the card body 90.

[0049] In some embodiments, the limiting baffle 40 is provided with a card outlet 41, and the side of the card outlet 41 has a communication port connecting the card outlet 41 and the shuffling plate 10. The card outlet 41 is located on the path from the card delivery channel 30 to the conveying mechanism. The height of the card outlet 41 is greater than the height of the card body 90, and the height of the card outlet 41 is less than the width of the card body 90.

[0050] By designing the height of the card outlet 41, the vertically positioned cards 90 on the path from the card delivery channel 30 to the conveying mechanism can be blocked and fall back to the shuffling plate 10 through the connecting port.

[0051] Example 2: Referring to Figures 2(a) to 2(c), this example provides a card feeding device for a card sorting machine, which is applied in a card sorting machine.

[0052] The card sorting and feeding device in this embodiment differs from that in Embodiment 1 in that the card sorting mechanism is different, but the rest is the same as in Embodiment 1, and will not be described again here.

[0053] The card arrangement mechanism in this embodiment achieves the purpose of guiding the card body 90a in the first state to the card body 90c in the third state.

[0054] The card sorting mechanism is a guide bar 60, which is located on the side of the conveying mechanism 70 and close to the shuffling plate 10. That is, the guide bar 60 is located on the side of the conveying mechanism 70 away from the limiting baffle 40. The guide bar 60 is fixed and does not rotate with the rotation of the shuffling plate 10.

[0055] The distance between the guide bar 60 and the limit baffle 40 is greater than the width of the card body but less than the length of the card body, so that the card body 90b in the second state can pass smoothly through the conveying mechanism 70 without being touched by the guide bar 60.

[0056] The top surface of the guide bar 60 is a sloping cut surface. The height of the cut surface to the shuffling plate 10 gradually increases along the rotation direction of the shuffling plate 10, as shown in Figure 2(b). This allows the portion of the card body 90a in the first state that is exposed to the conveying mechanism 70 to be guided by the gradually increasing cut surface during the conveying process, as shown in Figure 2(c). Finally, the guide bar 60 guides the card body 90a in the first state to the card body 90c in the third state.

[0057] In some embodiments, the minimum height of the guide bar 60 is not higher than the bottom surface height of the conveying mechanism 70 on its outer side. This ensures that the card body 90a passing through the conveying mechanism 70 can stably and smoothly contact the cross-section of the guide bar 60, and be guided by the cross-section.

[0058] In some embodiments, when the limiting baffle 40 is provided with a card outlet 41, the height design of the card outlet 41 can block the card body 90c in the third state on the path from the card delivery channel 30 to the conveying mechanism 70 and allow it to fall back to the shuffling plate 10 from the communication port.

[0059] Example 3: Referring to Figures 3(a) to 3(d), this example provides a card feeding device for a card sorting machine, which is applied in a card sorting machine.

[0060] The card sorting and feeding device in this embodiment differs from that in Embodiment 1 in that the card sorting mechanism is different, but the rest is the same as in Embodiment 1, and will not be described again here.

[0061] The card sorting mechanism in this embodiment achieves the purpose of returning the card body 90a in the first state to the shuffling plate 10.

[0062] The card sorting mechanism is a guide bar 80, which is positioned above the conveying mechanism 70. The guide bar 60 is fixed and does not rotate with the shuffling plate 10. The bottom surface of the guide bar 80, near the shuffling plate 10, has a sloping cross-section. The distance from the cross-section to the limiting baffle 40 is greater than the width of the card body but less than the length of the card body, so that, as shown in Figure 3(d), the card body 90b in the second state can pass smoothly through the conveying mechanism 70 without being touched by the guide bar 80.

[0063] The cut side has a connecting port that connects to the shuffling plate 10, and the card body 90a in the first state is pushed back to the shuffling plate 10 through the connecting port.

[0064] The height of the cut surface to the shuffling plate 10 gradually decreases along the rotation direction of the shuffling plate 10, as shown in Figure 3(b), so that the part of the card body 90a in the first state that is exposed on the conveying mechanism 70 is guided by the gradually decreasing cut surface during the conveying process, as shown in Figure 3(c), and finally the guide bar 80 pushes the card body 90a in the first state back to the shuffling plate 10.

[0065] In some embodiments, the height from the lowest point of the guide bar 80 to the bottom surface of the outer conveying mechanism 70 is not higher than the height of the card body. This ensures that the card body 90a passing through the conveying mechanism 70 can stably and smoothly contact the cross-section of the guide bar 80, and be guided by the cross-section.

[0066] Example 4: This example provides a card feeding device for a card sorting machine, which is applied in a card sorting machine.

[0067] Compared with Embodiment 1, the card feeding device of this embodiment differs in the placement of the card feeding channel and the limiting baffle, but the rest is the same as Embodiment 1, and will not be described again here.

[0068] In this embodiment, the card delivery channel is positioned differently from that in Embodiment 1. Instead of extending into the shuffling tray, the entrance of the card delivery channel connects to the shuffling tray, and cards from the edge of the shuffling tray are delivered through the card delivery channel. A limiting baffle is provided on the inner side of the card delivery channel. To ensure that the side of the card can abut against this limiting baffle, the bottom channel wall of the card delivery channel in this embodiment has an inclined channel wall structure with a higher wall on the side furthest from the limiting baffle and a lower wall on the side closest to the limiting baffle.

[0069] In some embodiments, when the card feeding device of the card sorting machine has a card outlet, the location of the card outlet is different from that in Embodiment 1. In this embodiment, the card outlet is not set on the limiting baffle, but on any fixed part on the path from the card feeding channel to the conveying mechanism.

[0070] Example 5: A card sorting machine, employing a card feeding device as described in Examples 1, 2, 3, and 4. The card sorting machine is a mahjong machine, a playing card machine, a domino machine, or a tile-laying machine.

[0071] The present invention has been described in detail above with reference to the accompanying drawings and embodiments. Those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be defined by the appended claims.

Claims

1. A card feeding device for a card sorting machine, the card feeding device comprising a shuffling plate and a card dispensing strip, wherein a card feeding channel is provided around the perimeter of the shuffling plate; Its features are, The card feeding device of the card sorting machine also includes a limiting baffle, which is disposed at least once on the periphery of the shuffling plate or on the inner side of the card feeding channel; When the limiting baffle is located around the shuffling plate, under the rotation of the shuffling plate and the movement of the card-pushing strip, one side of the card can abut against the limiting baffle and be sent out through the card-feeding channel. When the limiting baffle is set on the inner side of the card delivery channel, the bottom channel wall of the card delivery channel is an inclined channel wall structure with the channel wall on the side away from the limiting baffle being higher and the channel wall on the side close to the limiting baffle being lower. One side of the card can abut against the limiting baffle and be delivered through the card delivery channel.

2. The card feeding device for a card sorting machine as described in claim 1, characterized in that, The card feeding device of the card sorting machine also includes a card sorting mechanism, which is used to return the cards in the first state on the card feeding channel or conveying mechanism to the shuffling plate or guide them to other states.

3. The card feeding device for a card sorting machine as described in claim 2, characterized in that, The card delivery channel serves as the card sorting mechanism. The side of the card delivery channel away from the limiting baffle has a communication port that communicates with the shuffling plate. The width of the card delivery channel is greater than half the width of the card body and less than half the length of the card body. The card delivery channel pushes the card body in the first state back to the shuffling plate through the communication port.

4. The card feeding device for a card sorting machine as described in claim 3, characterized in that, The card delivery channel is an inclined card delivery channel with a slope, and the height of the bottom channel wall of the card delivery channel to the shuffling plate gradually increases along the rotation direction of the shuffling plate.

5. The card feeding device for a card sorting machine as described in claim 2, characterized in that, The card sorting mechanism is a guide bar, which is located on the side of the path from the card feeding channel to the conveying mechanism and is close to the shuffling plate. The distance from the guide bar to the limiting baffle is greater than the width of the card and less than the length of the card. The top surface of the guide bar is a sloping cross-section, and the height of the cross-section from the shuffling plate gradually increases along the rotation direction of the shuffling plate. The guide bar guides the card in the first state to the third state.

6. The card feeding device for a card sorting machine as described in claim 5, characterized in that, The minimum height of the guide strip shall not be higher than the bottom height of the side card delivery channel or conveying mechanism.

7. The card feeding device for a card sorting machine as described in claim 2, characterized in that, The card sorting mechanism is a guide bar, which is positioned above the path from the card feeding channel to the conveying mechanism. The bottom surface of the guide bar, near the shuffling plate, has a sloping cross-section. The distance from the cross-section to the limiting baffle is greater than the width of the card and less than the length of the card. The side of the cross-section has a connecting port that connects to the shuffling plate. The height of the cross-section from the shuffling plate gradually decreases along the rotation direction of the shuffling plate. The guide bar pushes the cards in the first state back to the shuffling plate.

8. The card feeding device for a card sorting machine as described in claim 7, characterized in that, The height from the lowest point of the guide bar to the bottom surface of the card delivery channel or conveying mechanism on the side is not higher than the height of the card body.

9. The card feeding device for a card sorting machine as described in any one of claims 1 to 8, characterized in that, The shuffling disc is a sloping disc that gradually slopes downwards from the center to the edge.

10. The card feeding device for a card sorting machine as described in any one of claims 1 to 8, characterized in that, When the limiting baffle is set around the shuffling plate, the bottom channel wall of the card delivery channel is an inclined channel wall structure with the channel wall on the side away from the limiting baffle being higher and the channel wall on the side closer to the limiting baffle being lower.

11. The card feeding device for a card sorting machine as described in any one of claims 1 to 8, characterized in that, The shuffling plate is equipped with a pusher that rotates with the shuffling plate. The distance between the pusher and the limiting baffle is greater than the width of the card delivery channel and less than the width of the card body.

12. The card feeding device for a card sorting machine as described in claim 11, characterized in that, The top surface of the pusher is a sloping cut surface, and the height of the cut surface from the shuffling plate gradually decreases along the rotation direction of the shuffling plate.

13. The card feeding device for a card sorting machine as described in any one of claims 1 to 8, characterized in that, The distance between the end of the card-pulling strip and the limiting baffle is greater than the width of the card body but less than the length of the card body.

14. The card feeding device for a card sorting machine as described in any one of claims 1 to 8, characterized in that, The limiting baffle is provided with a card outlet, which is located on the path from the card delivery channel to the conveying mechanism. The height of the card outlet is greater than the height of the card body but less than the width of the card body.

15. A card sorting machine, characterized in that, The card feeding device of the card sorting machine according to any one of claims 1-14 is adopted.

16. A card sorting machine according to claim 15, characterized in that, The card sorting machine can be a mahjong machine, a poker machine, a dominoes machine, or a dominoes machine.

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