A card reversing structure and card shuffler

Abstract

The utility model provides a structure is turned over, belongs to the card sorting machine technical field. Include: the structure is turned over including the shuffling disc, the edge all around of shuffling disc is provided with the card sending channel, the card sending channel has the channel side wall away from one side of shuffling disc, the card sending channel is close to one side of shuffling disc and is connected with shuffling disc, the structure is turned over still include: card sorting piece, card sorting piece is located in the card sending channel and is identified mechanism before, is used for changing into the posture of lying down from the posture of lying down of chess and card, the conveying channel, the card sending end of conveying channel is connected card sending channel card end, and the card end is connected and is identified mechanism card end. The card blocking piece and the contact surface of chess and card are the elastic material. Solve the technical problem of low card sorting efficiency in the prior art. The utility model improves the efficiency of card sorting by setting card sorting piece and pushing the chess and card lying in the shuffling disc to the posture of lying down, improves the use of user's feeling.

Description

Technical Field

[0001] This application relates to a card-reversing structure, belonging to the field of card sorting machine technology. Background Technology

[0002] The improvement of living standards has led to an increasing demand for leisure and entertainment. More and more people are choosing automatic card sorting machines as their preferred alternative to manual card sorting. During shuffling, card sorting machines need to arrange the cards face up or face down for easy identification. Without flipping the cards, their orientation is random, making them unusable. Flipping ensures that each card is presented to the user with the correct face up, facilitating card grabbing and play. During shuffling, the cards inside the machine are in various positions. Maintaining uniformity in these positions is crucial for identifying the front and back of the cards or for flipping them. This has led to the development of various card-sorting mechanisms. Currently, cards are uniformly aligned to a horizontal position during the shuffling stage before identification, resulting in low efficiency. Allowing cards to enter the card-feeding channel in either a horizontal or horizontal position during shuffling, and then aligning them before identification, would significantly improve efficiency. Therefore, there is a lack of a card-turning structure that converts the cards from a horizontal position to a horizontal position before the card-flipping process or the card-recognition process. Utility Model Content

[0003] A brief overview of the present invention is given below to provide a basic understanding of certain aspects thereof. It should be understood that this overview is not an exhaustive summary of the present invention. It is not intended to identify key or essential parts of the present invention, nor is it intended to limit the scope of the present invention. Its purpose is merely to present certain concepts in a simplified form as a prelude to the more detailed description that follows.

[0004] In view of this, in order to solve the technical problem of low card sorting efficiency in the existing technology, this utility model provides a card-turning structure that converts the cards from a horizontal position to a flat position before the process of identifying the front and back of the cards.

[0005] Option 1: A card-reversing structure, the card-reversing structure including a shuffling plate, a card-feeding channel is provided around the perimeter of the shuffling plate, the side of the card-feeding channel away from the shuffling plate has a channel sidewall, and the side of the card-feeding channel close to the shuffling plate is connected to the shuffling plate.

[0006] The card-selling structure also includes:

[0007] The card sorting device is located in front of the identification mechanism on the card delivery channel and is used to change the card from a horizontal position to a flat position.

[0008] The conveying channel has an inlet end connected to a outlet end connected to a card delivery channel, and an outlet end connected to an inlet end connected to an identification mechanism.

[0009] Preferably, the card holder is positioned higher than the thickness of the playing cards but lower than the width of the playing cards.

[0010] Preferably, a blocking block is provided at a relative position of the card holder.

[0011] Preferably, the card reader is fixedly connected to the conveying channel.

[0012] Preferably, the card reader is rotatably connected to the conveying channel.

[0013] Preferably, the card sorting component includes a driving device that drives the card sorting component to rotate.

[0014] Preferably, the card sorting component is vertically and flexibly mounted on the conveying channel.

[0015] Preferably, the card sorting component is movably disposed on the conveying channel.

[0016] Preferably, the contact surface between the card holder and the card is made of an elastic material.

[0017] Preferably, the card sorting component has a card sorting surface that contacts the cards, and the card sorting surface is inclined in the conveying direction of the conveying channel.

[0018] Option 2: A card sorting machine, characterized in that the card sorting machine includes a card flipping mechanism as described in Option 1, which is mounted on a conveying mechanism.

[0019] Preferably, the card sorting machine is a mahjong machine, a domino machine, or a tile sorting machine.

[0020] The beneficial effects of this utility model are as follows: By setting up a card-sorting component, this utility model changes the position of the card pusher standing in the shuffling tray from horizontal to flat, improving the efficiency of card sorting; it also enhances the user experience; by setting up a card-blocking component, the effect of changing the card pusher from horizontal to flat is even better and more efficient; by using a card-sorting component made of elastic material, it avoids collisions and excessive friction with the cards, increasing the service life of the cards; this utility model can achieve both flipping non-magnetic cards and sorting magnetic cards; it has a wide range of applications. Attached Figure Description

[0021] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0022] Figure 1 This is a schematic diagram of a structure according to Embodiment 1 of the present invention;

[0023] Figure 2 for Figure 1 Partial structural diagram;

[0024] Figure 3 for Figure 2 Another angle of the partial structure diagram;

[0025] Figure 4 This is a partially enlarged schematic diagram of the card delivery channel in the second state in Example 1;

[0026] Figures 5(a) to 5(d) are schematic diagrams of the process in Example 1 where the card picker picks out the cards in the first state and returns them to the shuffling plate;

[0027] Figures 6(a) to 6(d) are schematic diagrams of the process in Example 1 where the card picker picks out the cards from the back side and returns them to the shuffling plate;

[0028] Figure 7 A schematic diagram of the structure in which the card holder is fixedly connected to the conveyor channel;

[0029] Figures 8(a) to 8(d) are schematic diagrams of the process of transforming horizontal cards into flat cards in Example 1;

[0030] Figure 9 A schematic diagram of the structure of the rotating connection of the bearing component on the conveyor channel;

[0031] Figures 10(a) to 10(d) are schematic diagrams of the process of transforming horizontal cards into flat cards in Example 2. Detailed Implementation

[0032] To make the technical solutions and advantages of the embodiments of this application clearer, the exemplary embodiments of this application will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not an exhaustive list of all embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0033] Example 1: Refer to Figure 1 to Figure 1 0. This embodiment provides a card-reversing structure, which includes a shuffling plate. A card-feeding channel 20 is provided around the edge of the shuffling plate 10. The side of the card-feeding channel 20 away from the shuffling plate 10 has a channel sidewall, and the side of the card-feeding channel 20 close to the shuffling plate 10 is connected to the shuffling plate 10.

[0034] The card-selling structure also includes:

[0035] Card sorting component 30 is located in front of the identification mechanism on the card delivery channel 20 and is used to change the card game from a horizontal position to a flat position.

[0036] The conveying channel 70 has an inlet end connected to the outlet end of the card delivery channel 20, and the outlet end is connected to the inlet end of the identification mechanism.

[0037] The conveying channel 70 drives the card game 90 to move. When the card game 90 moves, it will encounter the card-arranging component 30. The card game 90 maintains its original state of motion. When the card game 90 moves forward, it will continue to move forward due to inertia. The card-arranging component 30 generates resistance to the card game 90. The resistance is opposite to the direction of the card game 90's movement, generating a torque that causes the card game 90 to rotate around the card-arranging component 30. The card game 90 will lose its balance and tip over. Therefore, the resistance of the card-arranging component 30 acts on the card game 90, which will change the state of motion of the card game 90 and push the card game 90, which is lying on its side in the card delivery channel 20, to a flat position.

[0038] In this utility model, the flat position of the card game 90 means that the front or back of the card game 90 faces the shuffling plate, and the horizontal position of the card game 90 means that the side formed by the length and thickness of the card game 90 faces the shuffling plate.

[0039] To improve card sorting efficiency, card block 100 can be set at the relative position of card sorting piece 30 within the conveyor channel 70;

[0040] The card-reversing structure is installed inside the card sorting machine. The preceding work of the card-reversing structure can be shuffling the cards with a shuffling plate; the subsequent work can be identifying the front and back of the cards. In order to make the card-reversing structure of this embodiment clearer when in use, it will be further explained in conjunction with the shuffling plate 10, the card delivery channel 20, the card sorting component 30, and the card picking component 40. The shuffling plate 10, the card delivery channel 20, the card sorting component 30, and the card picking component 40 can be any form. This embodiment is only given as an example and does not limit the structure of the shuffling plate 10, the card delivery channel 20, the card sorting component 30, the card blocking component 60, and the card picking component 40.

[0041] The shuffling plate 10 has a card delivery channel 20 around its perimeter. The side of the card delivery channel 20 away from the shuffling plate 10 has a channel sidewall 21, and the side of the card delivery channel 20 closer to the shuffling plate 10 is connected to the shuffling plate 10.

[0042] There are four blocking components 60. The distance between the blocking component 60 and the bottom surface of the card delivery channel 20 is greater than the height of the card body 90 and less than the width of the card body 90.

[0043] There are four card pickers 40, each located in front of its corresponding card sorting piece 30. Each card picker 40 gives the card body 90a in the first state on the card delivery channel 20 the tendency to move towards the shuffling plate 10.

[0044] Typically, the shuffling disc 10 is rotatable, rotating either clockwise or counterclockwise around a vertical axis. During the rotation of the shuffling disc 10, external forces, such as the card-pulling strip 50 or other components, shuffle the cards and drive the cards 90 to the periphery of the shuffling disc 10. The card-feeding channels 20 around the shuffling disc 10 gradually feed the cards 90 to the conveying mechanism 80, which connects to the conveying channel 70. The conveying mechanism 80 then sends the cards 90 to subsequent processes such as flipping, stacking, and pushing.

[0045] Reference Figure 1 and Figure 2 In this invention, a card-blocking component 60 is provided on the card-feeding channel 20, and the open structure inside the card-feeding channel 20 is the communication port that connects to the shuffling plate 10. Because the distance between the card-blocking component 60 and the bottom surface of the card-feeding channel 20 is greater than the height of the card body 90 but less than the width of the card body 90, it is designed with reference to... Figure 1 Horizontal cards 90 can continue to be conveyed to the conveying structure through the card-blocking component 60, while vertical cards or cards stacked together, due to their height, are blocked by the card-blocking component 60, causing the vertical cards or cards stacked on top to fall back from the connecting opening to the shuffling tray 10, as shown in the reference. Figure 1 and Figure 2 This causes the cards delivered by the card delivery channel 20 to be in a horizontal or lateral state and to be a single card. Consequently, the cards 90 delivered by the card delivery channel 20 to the conveying channel 70 are in a one-dimensional horizontal or horizontal single card state.

[0046] In this embodiment, the card picker 40 is located on the side of the card delivery channel 20 near the shuffling plate 10. The card picker 40 gives the card body 90 a tendency to move towards the shuffling plate 10 by acting on the front side of the card body 90.

[0047] Specifically, refer to Figure 4 As shown in Figure 6(d), the card picking component 40 of this embodiment includes a card picking block 41. The card picking block 41 is rotatable and its rotation direction is opposite to the rotation direction of the shuffling disc 10. That is, when the shuffling disc 10 rotates clockwise, the card picking block 41 rotates counterclockwise. The shortest distance between the card picking block 41 and the channel sidewall 21 is greater than the width of the card body 90 and less than the length of the card body 90. When the card picking block 41 rotates, it contacts the front side of the card body 90a in the first state and drives the card body 90a to move towards the shuffling disc 10.

[0048] Reference Figure 4 Let the length of the card body 90 be L, the width be W, and the height be H. Let the shortest distance between the card piece 41 and the side wall 21 of the passage be a. Then, a > W and a < L.

[0049] Since the card picker 40 is located in front of the card blocker 60, when the cards 90 are sent from the shuffling plate 10 to the card delivery channel 20, they first pass through the card blocker 60, leaving cards in a horizontal state, namely card 90a in the first state and card 90b in the second state. Since a > W and a < L, therefore refer to... Figure 4 The card 90b in the second state will not be blocked by the card picker 41 and can pass smoothly through the card delivery channel 20. The card 90a in the first state will be blocked by the card picker 41. Since the card picker 41 rotates in the opposite direction to the shuffling plate 10, referring to Figures 5(a) to 5(d), after the card picker 41 contacts the front side of the card 90a, it gradually picks the card 90a from the outside to the inside until it is picked back to the shuffling plate 10. Therefore, under the action of the card picker 41, all the cards delivered through the card delivery channel 20 are the card 90b in the second state.

[0050] When the horizontally lying card body 90 passes through the card picker, it ensures that all cards delivered through the card delivery channel 20 are in the second state, 90b. Cards that collide with the horizontally lying card body or the card picker are returned to the main tray. This ensures that there are no cards side-by-side in the card delivery channel, achieving a single-card play effect. Furthermore, due to the card-sorting mechanism of this invention, the horizontally lying cards can be transformed into flat cards within the delivery channel before entering the subsequent card-flipping mechanism, thus improving the card-feeding efficiency of this invention.

[0051] Since the card-picking block 41 is rotatable and its rotation direction is opposite to that of the shuffling plate 10, a > W and a < L, the card-picking block 41 can not only pick up the cards 90a located on its side and return them to the shuffling plate 10, but also pick up the cards behind it and return them to the shuffling plate 10. Referring to Figures 6(a) to 6(d), the card 90c is located between the shuffling plate 10 and the card delivery channel 20, and is not completely delivered into the card delivery channel 20. This card 90c can easily block other cards behind it, causing blockage at the entrance of the card delivery channel 20. By rotating the card-picking block 41 in this embodiment, the card 90c can be picked up from the card delivery channel 20.

[0052] In some embodiments, the card picking component 40 further includes a connecting block 42, which is rotatable and rotates in the opposite direction to the rotation direction of the shuffling disk 10. One or more card picking blocks 41 are arranged on the connecting block 42 along the rotation direction.

[0053] In this embodiment, the rotation of the card-picking block 41 follows the rotation of the connecting block 42. The connecting block 42 is driven to rotate by the power mechanism, which in turn drives the card-picking block 41 to rotate. By setting multiple card-picking blocks 41 on the connecting block 42, the card body 90a in the first state on its side can be quickly picked back to the shuffling plate 10.

[0054] like Figure 4As shown in Figure 6(d), four card picking blocks 41 are arranged circumferentially on the outer peripheral surface of the connecting block 42.

[0055] In some embodiments, an auxiliary block 43 is provided between each pair of adjacent card blocks 41. The outer surface of the auxiliary block 43 is curved, and the shortest distance between the curved surface of the auxiliary block 43 and the side wall 21 of the channel is greater than the length of the card body 90.

[0056] The auxiliary blocks 43 are not placed between each pair of adjacent pick cards 41, but are arranged at intervals. For example, when there are four pick cards 41, there are two symmetrical auxiliary blocks 43. The auxiliary blocks 43 are recessed between two adjacent pick cards 41. When card body 90a or card body 90c is located between two adjacent pick cards 41, it can be quickly moved back to the shuffling plate under the guidance of the outer side of the auxiliary block 43.

[0057] Preferably, when there are N cards to choose from in block 41 and N is an even number greater than 2, then the auxiliary block 43 is N / 2.

[0058] Preferably, the auxiliary block 43 and the connecting block 42 are integrally formed.

[0059] In some embodiments, the side of the connecting block 42 away from the auxiliary block 43 is an arc-shaped surface. This allows for a certain guiding effect between two adjacent card picking blocks 41 that do not have an auxiliary block 43.

[0060] In some embodiments, the pick block 41 is an elastic block made of an elastic material.

[0061] In some embodiments, the pick block 41 is a polyurethane block or rubber block made of polyurethane or rubber material.

[0062] In some embodiments, the card picker 40 is connected to the power mechanism of the shuffling disc 10 via a card picker transmission mechanism. In this case, the card picker 40 and the shuffling disc 10 share the same power mechanism.

[0063] Specifically, the power mechanism can be connected to the card picking block 41 or the connecting block 42 through the card picking transmission mechanism.

[0064] The power mechanism can be a common power mechanism used in the existing technology for driving the shuffling plate 10 of the card sorting machine, such as a servo motor.

[0065] The card-picking transmission mechanism can use any existing transmission mechanism. Alternatively, the following design can be adopted:

[0066] Reference Figure 2 and Figure 3A ring of face gears 441 is arranged on the bottom surface of the shuffling disc 10. A first gear 442 meshes with the face gear 441. A first connecting shaft 443 is fixedly connected to the first gear 442 and the second gear 444. The axial direction of the first connecting shaft 443 is the radial direction of the shuffling disc 10. The first connecting shaft 443 can be fixed to the fixing component of the card sorting machine via bearings. The second gear 444 meshes with the bevel gear 445, and the third gear 446 meshes with the bevel gear 445. A second connecting shaft 447 is fixedly connected to the third gear 446 and the fourth gear 448. The axial direction of the second connecting shaft 447 is vertical. Similarly, the second connecting shaft 447 can be fixed to the fixing component of the card sorting machine via bearings. The fifth gear 449 can directly mesh with or connect to the fourth gear 448 via a synchronous belt. The fifth gear 449 is fixedly connected to the card picking block 41 or the connecting block 42 via the third connecting shaft 440.

[0067] In some embodiments, the card picker 40 is connected to a separate power mechanism. In this case, the card picker 40 and the shuffling disc 10 are each driven by their own independent power mechanism.

[0068] The power mechanism of component 40 can be a commonly used power mechanism in existing technology, such as a servo motor.

[0069] Specifically, the rotating end of the power mechanism is connected to the pick block 41 or the connecting block 42.

[0070] In some embodiments, the card delivery channel 20 has a circular structure and is arranged around the edge of the shuffling disk 10.

[0071] The card delivery channel 20 can be either a rotatable channel or a fixed channel. A pushing device can be installed on the card delivery channel 20 or on the shuffling plate 10 to push the cards on the card delivery channel 20 to the conveying mechanism 80 that is connected to the card delivery channel 20.

[0072] Reference Figure 1 and Figure 2 The card delivery channel 20 is integrally formed with the shuffling plate 10. The edge of the shuffling plate 10 serves as the card delivery channel 20. At this time, the card delivery channel 20 is a circular and rotatable channel. The conveying mechanism 80 is connected to the card delivery channel 20 on the outside of the shuffling plate 10. At this time, the card sorting component 30 and the card picking component 40 are both located above the shuffling plate 10.

[0073] In some embodiments, the card delivery channel 20 has an arc-shaped structure, and four card delivery channels 20 are respectively arranged around the edge of the shuffling plate 10.

[0074] At this time, there are four independent card delivery channels 20. These channels can be movable or fixed. A pushing device can be installed on the card delivery channel 20 or on the shuffling plate 10 to push the cards on the channel to the conveying mechanism 80.

[0075] In some embodiments, the card delivery channel 20 is a card delivery channel with a movable bottom surface, and a pusher block is provided on the bottom surface of the channel.

[0076] In some embodiments, the pusher is disposed on the bottom surface of the channel on the side away from the shuffle disk 10, and the top surface of the pusher is a sloping cross-section, the height of the cross-section to the bottom surface of the channel gradually decreasing along the direction close to the shuffle disk 10.

[0077] In some embodiments, the shuffling plate 10 is provided with a pusher that rotates with the shuffling plate 10. The distance between the pusher and the channel sidewall 21 is greater than the width of the card delivery channel 20 and less than the length of the card body 90.

[0078] The pusher bar that follows the rotation of the shuffling plate 10 can push the card body 90 located at the edge of the shuffling plate 10 to the card delivery channel 20, and push the card body 90 on the card delivery channel 20 to the conveying structure.

[0079] Specifically, multiple push bars can be set, and the multiple push bars are evenly arranged along the 10 circumferences of the shuffling plate.

[0080] In some embodiments, the top surface of the pusher 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.

[0081] In some embodiments, the rear portion of the card delivery channel 20 is shared with the edge portion of the shuffling disk 10.

[0082] At this time, the edge of the shuffling plate 10 serves as part of the card delivery channel 20, and the cards are delivered to the edge of the shuffling plate 10, which means they are delivered to the rear of the card delivery channel 20. The card sorting unit 30 and the card picking unit 40 are preferably located in the shared area between the card delivery channel 20 and the shuffling plate 10.

[0083] In some embodiments, the rear of the card delivery channel 20 is aligned with the edge of the shuffling disk 10.

[0084] At this time, the card delivery channel 20 is located outside the shuffling plate 10, and there is no shared part between the card delivery channel 20 and the shuffling plate 10. At this time, there is a connecting opening on the side of the card sorting piece 30 and the card picking piece 40, which connects the card delivery channel 20 and the shuffling plate 10, so that the cards blocked by the card sorting piece 30 or the cards picked out by the card picking piece 40 can return to the shuffling plate 10.

[0085] In some embodiments, the card sorting device further includes a card-pushing bar 50, which extends from the center of the shuffling plate 10 to the edge of the shuffling plate 10.

[0086] Of course, the card-dispensing strip 50 will not extend into the card-feeding channel 20. When the edge of the shuffling plate 10 is shared with the rear of the card-feeding channel 20, the card-dispensing strip 50 will not extend into the shared portion.

[0087] Reference Figure 1 and Figure 2 The present invention provides a card sorting component 30 on the conveying channel 70. Since the distance between the card sorting component 30 and the bottom surface of the conveying channel 70 is greater than the thickness of the card body 90 but less than the width of the card body 90, it is designed as follows: Figure 1 The horizontally oriented card 90 can continue to be conveyed to the recognition mechanism through the card-arranging component 30. However, due to its height, the horizontally oriented card is blocked by the card-arranging component 30. When the card 90 moves, it will encounter the card-arranging component 30 and maintain its original motion state. When the card 90 moves forward, it will continue to move forward due to inertia. The card-arranging component 30 generates resistance to the card 90. This resistance is opposite to the direction of the card 90's movement, generating a torque that causes the card 90 to rotate around the card-arranging component 30. The card 90 will lose its balance and tip over. Therefore, the resistance of the card-arranging component 30 acts on the card 90, changing its motion state and pushing the card 90, which is lying on its side in the conveying channel 70, into a flat position. Referring to Figures 8(a) to 8(d), the state of the card delivered by the conveying channel 70 is flat.

[0088] As shown in Figure 8(d), the card arranger 30 has a card arranging surface 301, which contacts the cards and chess pieces. The card arranging surface is inclined in the conveying direction of the conveying channel. In this embodiment, the card arranging surface is tilted to the right. The card arranging surface can be flat or curved.

[0089] Example 2: Refer to Figure 9 to Figure 1 0. This embodiment of the invention provides a card-reversing structure, which is applied in a card-sorting machine. Compared with embodiment 1, the card-reversing structure of this embodiment differs in the structure of the card-sorting component, but the rest is the same as that of embodiment 1, and will not be described again here.

[0090] In this embodiment, the card sorting component is rotatably connected to the conveying channel. A rotatable card sorting component 30 is provided on the conveying channel 70. Since the distance between the card sorting component 30 and the bottom surface of the conveying channel 70 is greater than the thickness of the card body 90 but less than the width of the card body 90, it is designed as follows: Figure 1The horizontally positioned cards 90 can continue to be conveyed to the recognition mechanism via the card-sorting component 30. However, due to their height, the horizontally positioned cards are blocked by the rotating card-sorting component 30. When the cards 90 move, they will encounter the card-sorting component 30, maintaining their original motion state. When the cards 90 move forward, they will continue to move forward due to inertia. The card-sorting component 30 generates resistance to the cards 90, and this resistance is opposite to the direction of the cards 90's movement, generating a torque that causes the cards 90 to rotate around the card-sorting component 30. The cards 90 will lose balance and tip over. Therefore, the resistance of the card-sorting component 30 acts on the cards 90, changing their motion state and pushing the cards 90 lying on their side in the conveyor channel 70 into a flat position. Referring to Figures 10(a) to 10(d), the state of the cards delivered by the conveyor channel 70 is flat.

[0091] In some embodiments, the card sorting component includes a drive device that drives the card sorting component to rotate. The drive device may be an electric motor.

[0092] Example 3: This example provides a card sorting machine, which has the card sorting device provided in Example 1 or Example 2 of this utility model.

[0093] The card sorting machine is a mahjong machine, a domino machine, or a tile sorting machine.

[0094] Although the present invention has been described with reference to a limited number of embodiments, those skilled in the art will understand from the foregoing description that other embodiments are conceivable within the scope of the present invention described herein. Furthermore, it should be noted that the language used in this specification has been chosen primarily for readability and edibility purposes, and not for interpreting or limiting the subject matter of the invention. Therefore, many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the appended claims. Regarding the scope of the invention, the disclosure made is illustrative and not restrictive, and the scope of the invention is defined by the appended claims.

Claims

1. A card-reversing structure, the card-reversing structure comprising a shuffling tray, wherein card-feeding channels are provided around the perimeter of the shuffling tray, characterized in that, The side of the card delivery channel away from the shuffling plate has a channel sidewall, and the side of the card delivery channel close to the shuffling plate is connected to the shuffling plate. The card-selling structure also includes: Card arranger, which is installed on the card delivery channel, is used to change the card from a horizontal position to a flat position; The conveying channel has an inlet end connected to a outlet end connected to a card delivery channel, and an outlet end connected to an inlet end connected to an identification mechanism.

2. The card-reversing structure according to claim 1, characterized in that, The card holder is positioned higher than the thickness of the game board but lower than its width.

3. The card-reversing structure according to claim 1, characterized in that, The sign holder is provided with a blocking block at a relative position.

4. The card-reversing structure according to claim 1, characterized in that, The card reader is fixedly connected to the conveying channel.

5. The card-reversing structure according to claim 1, characterized in that, The card reader is rotatably connected to the conveying channel.

6. The card-reversing structure according to claim 1, characterized in that, The card sorting component includes a driving device, which drives the card sorting component to rotate.

7. The card-reversing structure according to claim 1, characterized in that, The card reader can be lifted and lowered on the conveyor channel.

8. The card-reversing structure according to claim 1, characterized in that, The card reader is movably mounted on the conveyor channel.

9. The card-reversing structure according to claim 1, characterized in that, The contact surface between the card holder and the game board is made of elastic material.

10. The card-reversing structure according to claim 1, characterized in that, The card sorting component has a card sorting surface that contacts the cards, and the card sorting surface is inclined in the conveying direction of the conveying channel.

11. A card sorting machine, characterized in that, The card sorting machine includes a card-reversing structure as described in any one of claims 1-10.

12. A card sorting machine according to claim 11, characterized in that, The card sorting machine is a mahjong machine, a domino machine, or a tile sorting machine.

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