Vending machine

Abstract

The utility model relates to the technical field of automatic vending, and particularly discloses an automatic vending machine which comprises a goods shelf, a shielding door driving mechanism, a machine cabinet with a goods taking opening and a goods hopper movably arranged in the machine cabinet, the goods hopper comprises a frame and a shielding door movably connected with the frame, the frame is provided with a goods containing bin, a goods inlet and a goods outlet, and the goods containing bin is connected with the shielding door. The shielding door is used for closing or opening the goods outlet, the goods bucket is provided with a goods taking position where the goods inlet is opposite to the goods shelf, a goods discharging position where the goods outlet is opposite to the goods taking opening and a middle position, the shielding door driving mechanism is arranged on the cabinet and comprises a reciprocating rod movably connected with the cabinet, and the reciprocating rod has an extending position and a retracting position; when the goods hopper is located at the middle position, the reciprocating rod located at the stretching-out position can be matched with the shielding door for sealing the goods outlet, and the shielding door is driven to move to the position for opening the goods outlet along with the movement of the goods hopper towards the goods outlet position. According to the vending machine, the structure of the goods bucket is simplified, and miniaturization design of the goods bucket is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of vending, in particular to a vending machine. Background Art

[0002] Existing vending machines include a cabinet, a goods delivery device and a hopper. Among them, a pick-up opening and a gate for closing or opening the pick-up opening are provided on the cabinet; a shelf is arranged inside the cabinet and is used for accommodating goods; the goods delivery device is arranged inside the cabinet and is located between the pick-up opening and the shelf. The goods delivery device includes a hopper and a hopper driving mechanism. The hopper is used for delivering the goods on the shelf to the pick-up opening. Driven by the hopper driving mechanism, the hopper has a pick-up position and a delivery position. The hopper includes a loading opening and a delivery opening. When the hopper is in the pick-up position, the loading opening faces the shelf, and the loading opening can receive the goods output by the shelf. When the hopper is in the delivery position, the delivery opening faces the pick-up opening, and the user can take away the goods in the hopper through the pick-up opening and the delivery opening.

[0003] The hopper provided by the related art includes a loading door for closing the loading opening and a delivery door for closing the delivery opening. When the hopper is in the pick-up position, the loading door opens the loading opening, and the delivery door closes the delivery opening. The goods can enter the hopper through the loading opening, and since the delivery door closes the delivery opening, it can also prevent the goods from protruding from the delivery opening. When the hopper is in the delivery position, the loading door closes the loading opening, and the delivery door opens the delivery opening. The user can take away the goods in the hopper through the pick-up opening and the delivery opening. At this time, since the loading opening is closed by the loading door, it can prevent people from stealing the goods on the shelf through the pick-up opening, the delivery opening and the loading opening. Among them, the loading door needs to be driven by a loading door driving mechanism to open or close the loading opening; the delivery door needs to be driven by a delivery door driving mechanism to open or close the delivery opening. Thus, it can be seen that not only the loading door and the delivery door need to be provided on the hopper, but also the loading door driving mechanism and the delivery door driving mechanism need to be provided, which all lead to the complex structure of the hopper and are not conducive to the miniaturization design of the hopper. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a vending machine to simplify the structure of the hopper and facilitate the miniaturization of the hopper.

[0005] The utility model provides a vending machine, which includes:

[0006] A cabinet provided with a pick-up opening;

[0007] A shelf for accommodating goods;

[0008] The hopper is movably arranged inside the cabinet. The hopper includes a frame and a shielding door. The frame is provided with a goods storage bin, an inlet and an outlet respectively arranged on both sides of the goods storage bin. The inlet and the outlet are both communicated with the goods storage bin. The shielding door is movably connected to the frame, and the shielding door is used to close or open the outlet. The hopper can move relative to the shelf and has a picking position, a shipping position and an intermediate position. When the hopper is located at the picking position, the inlet faces the shelf, and the shielding door closes the outlet. When the hopper is located at the shipping position, the shielding door opens the outlet, and the outlet faces the picking port;

[0009] The shielding door driving mechanism is arranged on the cabinet. The shielding door driving mechanism includes a reciprocating rod movably connected to the cabinet. The reciprocating rod can move relative to the cabinet and has an extended position and a retracted position. When the hopper is located at the intermediate position and the reciprocating rod is located at the extended position, the reciprocating rod can cooperate with the shielding door, and during the process of the hopper moving from the intermediate position to the shipping position, the reciprocating rod can drive the shielding door that closes the outlet to move relative to the frame, so that the shielding door moves to the position where the outlet is opened.

[0010] As a preferred technical solution of the vending machine, the vending machine further includes a gate slidably connected to the cabinet. The gate can slide relative to the cabinet and has an open position for opening the picking port and a closed position for closing the picking port. The gate is provided with a locking groove;

[0011] The reciprocating rod has a first end and a second end arranged at intervals along the telescopic direction. When the reciprocating rod is located at the retracted position and the gate is located at the closed position, the first end is separated from the shielding door, and the second end is inserted into the locking groove and locks the position of the gate; when the reciprocating rod is located at the extended position and the hopper is located at the intermediate position, the first end cooperates with the shielding door, and the second end exits the locking groove.

[0012] As a preferred technical solution of the vending machine, the shielding door driving mechanism further includes:

[0013] A motor;

[0014] An output gear fixed to the output shaft of the motor;

[0015] A rack fixedly connected to the reciprocating rod. The output gear is directly or indirectly meshed with the rack. Driven by the motor, the rack drives the reciprocating rod to move between the extended position and the retracted position.

[0016] As a preferred technical solution of the vending machine, the shielding door driving mechanism further includes:

[0017] A support frame fixedly connected to the cabinet, and the reciprocating rod is slidably connected to the support frame;

[0018] A first detection component, including a first sensor and a first detection piece, the first sensor is fixedly connected to one of the support frame and the reciprocating rod, and the first detection piece is fixedly connected to the other of the support frame and the reciprocating rod;

[0019] A second detection component, including a second sensor and a second detection piece, the second sensor is fixedly connected to one of the support frame and the reciprocating rod, and the second detection piece is fixedly connected to the other of the support frame and the reciprocating rod. When the reciprocating rod is in the extended position, the first sensor cooperates with the first detection piece, and the second sensor is separated from the second detection piece; when the reciprocating rod is in the retracted position, the first sensor is separated from the first detection piece, and the second sensor cooperates with the second detection piece.

[0020] As a preferred technical solution of the vending machine, the pickup opening, the delivery opening, and the loading opening are arranged in sequence in the front-rear direction. The frame is provided with a slot located below the delivery opening and communicating with the delivery opening. In the up-down direction, the middle position is higher than the delivery position;

[0021] The shielding door is slidably connected to the frame, and the shielding door can move upward relative to the frame to open the delivery opening or move downward relative to the frame to close the delivery opening;

[0022] When the hopper is in the middle position and the reciprocating rod is in the extended position, the reciprocating rod is inserted into the slot and can cooperate with the shielding door that closes the delivery opening.

[0023] As a preferred technical solution of the vending machine, the frame includes two first side walls arranged at intervals in the left-right direction. The two first side walls are symmetrically provided with chutes. The shielding door is a rolling shutter door. The left and right ends of the rolling shutter door are respectively inserted into the two chutes. When the rolling shutter door opens the delivery opening, the rolling shutter door closes the loading opening at the same time. When the rolling shutter door closes the delivery opening, the rolling shutter door opens the loading opening at the same time;

[0024] The cargo box also includes two elastic members, which are respectively located on the outside of the two first side walls. The first ends of the two elastic members are connected to the frame, and the second ends of the two elastic members are respectively connected to the two ends of the rolling door. Under the elastic force of the two elastic members, the rolling door always has a movement tendency to close the shipping port and open the shipping port.

[0025] As a preferred technical solution of the vending machine, the frame further includes two second side walls, the two second side walls being arranged in a one-to-one correspondence with the two first side walls, each second side wall being located on a side of the corresponding first side wall facing away from the cargo storage bin, each second side wall being spaced apart from the corresponding first side wall, and the two second side walls respectively forming two storage spaces with the two first side walls;

[0026] The two ends of the rolling door are respectively inserted into the two accommodating spaces, and the elastic member is a tension spring. When the rolling door opens the delivery port and closes the delivery port, the two tension springs are respectively located in the two accommodating spaces.

[0027] As an optimal technical solution for the vending machine, the cargo bucket also includes two pulley assemblies arranged on the frame, each pulley assembly includes at least one pulley, the two pulley assemblies are arranged in a one-to-one correspondence with the two tension springs, one end of the two tension springs is connected to the frame, and the other ends of the two tension springs are respectively connected to the two ends of the rolling door after passing through the pulleys of the corresponding pulley assemblies.

[0028] As a preferred technical solution for the vending machine, the rolling door includes a first door panel, a second door panel, and a first shaft, wherein the first door panel and the second door panel are hingedly connected via the first shaft, and the two ends of the first shaft are respectively plugged into the sliding grooves on the two first side walls;

[0029] The rolling door further includes a force-bearing portion fixedly connected to the first door panel. When the rolling door closes the delivery port and the cargo bucket moves from the middle position to the delivery position, the reciprocating rod abuts and cooperates with the force-bearing portion.

[0030] As an optimal technical solution for the vending machine, the rolling door also includes a second shaft and two positioning sleeves. The second shaft is connected to the side of the first door panel away from the second door panel. The two positioning sleeves are respectively mounted on both ends of the second shaft, and the two positioning sleeves are respectively plugged into the sliding grooves on the two first side walls. Each positioning sleeve is provided with a hanging hole, and the second ends of the two elastic members are provided with hanging rings, and the two hanging rings are respectively plugged into the two hanging holes.

[0031] The vending machine provided by the present utility model has at least the following beneficial effects:

[0032] The vending machine includes a cabinet, a shelf, a hopper and a shutter driving mechanism. The cabinet is provided with a pick-up opening; the shelf is used for accommodating goods; the hopper is movably arranged inside the cabinet. The hopper includes a frame and a shutter. The frame is provided with a goods storage bin, and an inlet and an outlet respectively arranged on both sides of the goods storage bin. The inlet and the outlet are both communicated with the goods storage bin. The shutter is movably connected to the frame, and the shutter is used to close or open the outlet. The hopper can move relative to the shelf and has a pick-up position, a delivery position and an intermediate position. When the hopper is in the pick-up position, the inlet faces the shelf, and the shutter closes the outlet. When the hopper is in the delivery position, the shutter opens the outlet, and the outlet faces the pick-up opening; the shutter driving mechanism is arranged in the cabinet. The shutter driving mechanism includes a reciprocating rod movably connected to the cabinet. The reciprocating rod can move relative to the cabinet and has an extended position and a retracted position. When the hopper is in the intermediate position and the reciprocating rod is in the extended position, the reciprocating rod can cooperate with the shutter, and during the process of the hopper moving from the intermediate position to the delivery position, the reciprocating rod can drive the shutter closing the outlet to move relative to the frame so that the shutter moves to the position of opening the outlet. In the vending machine provided by the present utility model, the shutter driving mechanism is arranged on the cabinet. By the cooperation of the reciprocating rod in the extended position with the shutter closing the outlet and using the power of the movement of the hopper, the reciprocating rod drives the shutter to move relative to the frame to open the outlet. Compared with the prior art, the vending machine provided by the embodiment of the present utility model does not need to arrange a shutter driving mechanism on the hopper, simplifies the structure of the hopper, and is beneficial to the miniaturized design of the hopper. Description of the Drawings

[0033] Figure 1 Structural schematic diagram of the vending machine in the embodiment of the present utility model Figure 1 ;

[0034] Figure 2 Structural schematic diagram of the vending machine in the embodiment of the present utility model Figure 2 ;

[0035] Figure 3 Partial enlarged view of the vending machine in the embodiment of the present utility model Figure 1 , where the reciprocating rod is in the retracted position;

[0036] Figure 4 Partial enlarged view of the vending machine in the embodiment of the present utility model Figure 2 , where the reciprocating rod is in the extended position;

[0037] Figure 5 Structural schematic diagram of the shutter driving mechanism in the embodiment of the present utility model Figure 1 ;

[0038] Figure 6 Structural schematic of the shielding door driving mechanism in the embodiment of the present utility model Figure 2 ;

[0039] Figure 7 Cross-section view of the hopper in the embodiment of the present utility model Figure 1 ;

[0040] Figure 8 Structural schematic diagram of the hopper in the embodiment of the present utility model;

[0041] Figure 9 Structural schematic diagram of the frame of the hopper in the embodiment of the present utility model;

[0042] Figure 10 Cross-section view of the hopper in the embodiment of the present utility model Figure 2 ;

[0043] Figure 11 Partial structural schematic diagram of the rolling shutter door in the embodiment of the present utility model;

[0044] Figure 12 Exploded view of the partial structure of the rolling shutter door in the embodiment of the present utility model;

[0045] Figure 13 is Figure 10 Enlarged view at position B in;

[0046] Figure 14 is Figure 8 Enlarged view at position A in.

[0047] In the figure:

[0048] 1, cabinet; 11, cabinet body; 111, open end; 12, cabinet door; 121, goods taking opening;

[0049] 2, shelf; 21, shelf board; 22, goods channel;

[0050] 3, hopper; 31, frame; 311, goods storage bin; 312, goods inlet; 313, goods outlet; 314, first side wall; 315, support wall; 316, second side wall; 317, slot; 318, accommodating space; 319, chute; 320, bottom wall; 32, rolling shutter door; 321, first door panel; 322, second door panel; 323, first shaft; 324, force receiving part; 325, shaft sleeve; 326, second shaft; 327, positioning sleeve; 328, sleeve; 329, positioning part; 330, hanging hole; 331, first plugging part; 332, second plugging part; 333, third plugging part; 33, elastic part; 34, gate driving rod; 35, pulley; 36, hanging ring;

[0051] 4. Shading door drive mechanism; 41. Reciprocating rod; 411. First end; 412. Second end; 42. Motor; 43. Output gear; 44. Rack; 45. First gear; 451. First sub-gear; 452. Second sub-gear; 46. Second gear; 47. Support frame; 471. First plate; 472. Second plate; 473. Third plate; 474. Slotted; 48. Support shaft; 49. First detection component; 491. First sensor; 492. First detection piece; 50. Second detection component; 501. Second sensor; 502. Second detection piece;

[0052] 5. Gate; 51. Locking groove; 52. Drive groove. Detailed implementation mode

[0053] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work shall fall within the protection scope of the present utility model.

[0054] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions. Moreover, the first feature being "above", "above" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "below" and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicating that the first feature has a lower horizontal height than the second feature.

[0055] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0056] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0057] Please refer to Figure 1 and Figure 2 , this embodiment provides a vending machine, which includes a cabinet 1, a shelf 2, a hopper 3 and a shutter driving mechanism 4. Among them, the cabinet 1 is provided with a pick-up opening 121; the shelf 2 is arranged inside the cabinet 1 and is used to accommodate goods; the hopper 3 is movably arranged inside the cabinet 1, and the hopper 3 includes a frame 31 and a shutter. The frame 31 is provided with a goods storage bin 311, and an inlet 312 and an outlet 313 respectively arranged on both sides of the goods storage bin 311 (see Figures 7 to 9 ), the inlet 312 and the outlet 313 are both communicated with the goods storage bin 311, the shutter is movably connected to the frame 31, and the shutter is used to close or open the outlet 313. The hopper 3 can move relative to the shelf 2 and has a pick-up position, a delivery position and an intermediate position. When the hopper 3 is in the pick-up position, the inlet 312 faces the shelf 2, and the shutter closes the outlet 313. When the hopper 3 is in the delivery position, the shutter opens the outlet 313, and the outlet 313 faces the pick-up opening 121; the shutter driving mechanism 4 is arranged in the cabinet 1, and the shutter driving mechanism 4 includes a reciprocating rod 41 movably connected to the cabinet 1. The reciprocating rod 41 can move relative to the cabinet 1 and has an extended position and a retracted position. When the hopper 3 is in the intermediate position and the reciprocating rod 41 is in the extended position, the reciprocating rod 41 can cooperate with the shutter, and during the process of the hopper 3 moving from the intermediate position to the delivery position, the reciprocating rod 41 can drive the shutter closing the outlet 313 to move relative to the frame 31 so that the shutter moves to the position of opening the outlet 313. For the vending machine provided in this embodiment, the shutter driving mechanism 4 is arranged on the cabinet 1. By the reciprocating rod 41 in the extended position cooperating with the shutter closing the outlet 313 and using the power of the movement of the hopper 3, the reciprocating rod 41 drives the shutter closing the outlet 313 to move relative to the frame 31 to open the outlet 313. Compared with the prior art, the vending machine provided in this embodiment does not need to set a shutter driving mechanism 4 on the hopper 3, simplifies the structure of the hopper 3, and is beneficial to the miniaturized design of the hopper 3.

[0058] Optionally, please refer to Figure 2 , the shelf 2 includes a plurality of shelves 21 for supporting goods, and the plurality of shelves 21 are arranged at intervals in the up-down direction (such as the direction indicated by the arrow cd in Figure 2 ), and a plurality of partition plates are arranged on each shelf 21, and the plurality of partition plates are arranged in the left-right direction (such asFigure 2 spaced apart in the direction indicated by arrow ef in the figure), and a cargo channel 22 extending in the front-rear direction (such as Figure 2 the direction indicated by arrow ab in the figure) is formed between two adjacent partition plates; the vending machine further includes a hopper driving mechanism (not shown in the drawings), and the hopper driving mechanism is used to drive the hopper 3 to move, so that the hopper 3 transports goods between the cargo channel 22 of the shelf 2 and the pickup opening 121. Since there is no need to provide a shielding door driving mechanism 4 on the hopper 3, the weight of the hopper 3 is reduced, and the load on the hopper driving mechanism is reduced.

[0059] Optionally, please continue to refer to Figures 1 to 4 , the vending machine further includes a gate 5 slidably connected to the cabinet 1. The gate 5 can slide relative to the cabinet 1 and has an open position for opening the pickup opening 121 and a closed position for closing the pickup opening 121. The gate 5 is provided with a locking groove 51; the reciprocating rod 41 has a first end 411 and a second end 412 arranged at intervals along the telescopic direction. When the reciprocating rod 41 is in the retracted position and the gate 5 is in the closed position, the first end 411 is separated from the shielding door, and the second end 412 is inserted into the locking groove 51 to lock the position of the gate 5; when the reciprocating rod 41 is in the extended position and the hopper 3 is in the middle position, the first end 411 cooperates with the shielding door, and the second end 412 withdraws from the locking groove 51. With such a setting, when the pickup opening 121 does not need to be opened, the gate 5 is in the closed position, and the reciprocating rod 41 is in the retracted position. At this time, the reciprocating rod 41 and the locking groove 51 are inserted, and the gate 5 can be locked in the closed position, which can prevent people from forcibly opening the gate 5 and stealing the goods on the shelf 2 from the pickup opening 121; before the hopper 3 moves to the shipping position (that is, when the hopper 3 is about to deliver the goods to the pickup opening 121), the hopper 3 first moves to the middle position, and the reciprocating rod 41 moves to the extended position. The reciprocating rod 41 releases the locking of the gate 5 so that the pickup opening 121 can be opened. At the same time, the reciprocating rod 41 cooperates with the shielding door closing the shipping opening 313, and as the hopper 3 moves towards the shipping position, the reciprocating rod 41 drives the shielding door to move and the shipping opening 313 is opened. When the hopper 3 is in the shipping position, the shipping opening 313 is opened and is opposite to the pickup opening 121, which is convenient for customers to take the goods in the goods storage bin 311 from the pickup opening 121 and the shipping opening 313 in sequence. The reciprocating rod 41 has multiple functions, which can further simplify the structure of the vending machine, reduce costs, and improve the safety of the vending machine.

[0060] In other embodiments, the vending machine further includes an inlet door for opening or closing the inlet 312, and an inlet door driving member (not shown in the drawings) for driving the inlet door to open or close the inlet 312. The inlet door driving member can be a cylinder, an electric push rod, etc.

[0061] Please refer to Figure 1 and Figure 2, in this embodiment, the cabinet 1 includes a cabinet body 11 and a cabinet door 12. Among them, the cabinet body 11 is provided with an open opening 111, the cabinet door 12 is pivotally connected to the cabinet body 11, and the cabinet door 12 can rotate relative to the cabinet body 11 to open or close the open opening 111; a pick-up opening 121 is arranged on the cabinet door 12, the gate 5 is movably connected to the cabinet door 12 and is used to open or close the pick-up opening 121 on the cabinet door 12, the shielding door driving mechanism 4 is installed on the cabinet door 12, and the reciprocating rod 41 can slide relative to the cabinet door 12 between an extended position and a retracted position.

[0062] Optionally, please refer to Figure 7 and Figure 8 , the shielding door is slidably connected to the frame 31, so that the space required for the movement of the shielding door can be reduced, which is beneficial to streamlining the volume of the hopper 3. Preferably, the shielding door is slidably connected to the frame 31 in the vertical direction, and the shielding door moves in the vertical direction to open or close the discharge opening 313. The discharge position and the middle position of the hopper 3 are arranged at intervals in the vertical direction, and the distance between the two matches the moving distance of the shielding door. With such a setting, when the hopper 3 is in the middle position and the reciprocating rod 41 is in the extended position, the hopper 3 moves from the middle position to the discharge position in the vertical direction. At the same time, the reciprocating rod 41 drives the shielding door to move in the vertical direction and opens the discharge opening 313, which can make full use of the power and stroke of the hopper 3. In other embodiments, it is also possible to make the shielding door slidably connected to the frame 31 in other directions (such as the left-right direction) according to needs; or, the shielding door can also be rotatably connected to the frame 31.

[0063] Optionally, please refer to 2 and Figure 3 and Figure 4 , the moving direction of the reciprocating rod 41 is perpendicular to the moving direction of the gate 5, so as to ensure that the reciprocating rod 41 can reliably lock the gate 5 at the position of closing the pick-up opening 121. Specifically, in this embodiment, the gate 5 slides in the vertical direction, and the reciprocating rod 41 moves in the front-rear direction; the reciprocating rod 41 has a cuboid structure to ensure the structural strength of the reciprocating rod 41.

[0064] Optionally, please refer to 2 and Figure 8, a gate driving rod 34 is provided on the hopper 3. The gate driving rod 34 has an extended position and a retracted position. A driving groove 52 is provided on the gate 5. When the hopper 3 is in the middle position and the gate 5 is in the closed position, the gate driving rod 34 in the extended position is inserted into the driving groove 52. When the hopper 3 moves from the middle position to the goods-out position, the gate driving rod 34 drives the gate 5 to move to the open position. With such a setting, when the hopper 3 moves from the middle position to the goods-out position, the gate 5 can be driven to move to the open position by the gate driving rod 34, and there is no need to separately provide a driving mechanism for driving the gate 5 to move. Preferably, the vending machine further includes a reset member (not shown in the drawings). The reset member is elastic and connected between the gate 5 and the cabinet door 12. The reset member is configured to make the gate 5 always have a tendency to move towards the closed position, so that when there is no external force acting on the gate 5, the gate 5 can automatically move to the closed position under the action of the elastic force of the reset member. Further preferably, the vending machine further includes a first electromagnet provided on the cabinet door 12 and an adsorption sheet provided on the gate 5 and capable of being magnetically adsorbed. When the gate 5 is in the closed position, the first electromagnet is energized and attracted to the adsorption sheet to ensure that the gate 5 can reliably close the goods-taking opening 121, thereby ensuring the safety of the goods in the cabinet 1; when the hopper 3 is in the middle position, the first electromagnet is de-energized to facilitate the gate driving rod 34 to drive the gate 5 to move and open the goods-taking opening 121, thereby facilitating the customer to take away the goods in the goods storage bin 311.

[0065] In other embodiments, the vending machine includes a gate driving mechanism. The gate driving mechanism includes a linear driving member such as a cylinder or an electric push rod. When there is no goods output, the linear driving member drives the gate 5 to move to the closed position to ensure that the gate 5 can reliably close the goods-taking opening 121; when the hopper 3 moves to the goods-out position, the linear driving member drives the gate 5 to move to the open position to open the goods-taking opening 121, so as to facilitate the customer to take away the goods in the goods storage bin 311.

[0066] Optionally, please refer to Figures 3 to 6, the shutter door driving mechanism 4 further includes a motor 42, an output gear 43 and a rack 44. Among them, the output gear 43 is fixed to the output shaft of the motor 42; the rack 44 is fixedly connected to the reciprocating rod 41, and the output gear 43 is directly or indirectly meshed with the rack 44. Driven by the motor 42, the rack 44 can drive the reciprocating rod 41 to move between the extended position and the retracted position. In this embodiment, the output shaft of the motor 42 rotates forward and backward to drive the reciprocating rod 41 to move between the extended position and the retracted position. And in this embodiment, the power generated by the movement of the hopper 3 is used to drive the shutter door to move. Therefore, the motor 42 of the shutter door driving mechanism 4 can be selected with a lower power, thereby reducing the cost of the vending machine; in addition, since the output gear 43 is directly or indirectly meshed with the rack 44, the self-locking function of the motor 42 can also prevent the reciprocating rod 41 from moving when the reciprocating rod 41 is in the extended position or the retracted position, so that the position of the reciprocating rod 41 is locked. Therefore, the reciprocating rod 41 can reliably drive the shutter door to open the delivery port 313 or reliably lock the gate 5 at the closed position of the closed pick-up port 121. Preferably, the rack 44 and the reciprocating rod 41 are integrally formed, which can effectively reduce the number of components.

[0067] Among them, in this embodiment, a scheme in which the output gear 43 is indirectly meshed with the rack 44 is exemplarily given. Specifically, please refer to again Figure 5 and Figure 6 , the shutter door driving mechanism 4 further includes a first gear 45 and a second gear 46 that are meshed. The output gear 43 is meshed with the first gear 45, and the second gear 46 is meshed with the rack 44. Preferably, the first gear 45 includes a first sub-gear 451 and a second sub-gear 452 that are coaxially and fixedly connected. The first sub-gear 451 is meshed with the output gear 43, and the second sub-gear 452 is meshed with the second gear 46.

[0068] Optionally, please refer to again Figure 5, the shielding door driving mechanism 4 further includes a support frame 47, a first detection component 49 and a second detection component 50. Among them, the support frame 47 is fixedly connected to the cabinet 1, and the reciprocating rod 41 is slidably connected to the support frame 47; the first detection component 49 includes a first sensor 491 and a first detection piece 492, the first sensor 491 is fixedly connected to one of the support frame 47 and the reciprocating rod 41, and the first detection piece 492 is fixedly connected to the other of the support frame 47 and the reciprocating rod 41; the second detection component 50 includes a second sensor 501 and a second detection piece 502, the second sensor 501 is fixedly connected to one of the support frame 47 and the reciprocating rod 41, and the second detection piece 502 is fixedly connected to the other of the support frame 47 and the reciprocating rod 41. When the reciprocating rod 41 is in the extended position, the first sensor 491 cooperates with the first detection piece 492, and the second sensor 501 is separated from the second detection piece 502; when the reciprocating rod 41 is in the retracted position, the first sensor 491 is separated from the first detection piece 492, and the second sensor 501 cooperates with the second detection piece 502. In this embodiment, both the first sensor 491 and the second sensor 501 are photoelectric sensors. The photoelectric sensor includes a light emitter and a light receiver arranged at a relatively spaced interval. When the first sensor 491 cooperates with the first detection piece 492, the first detection piece 492 extends into the space between the light emitter and the light receiver of the first sensor 491, and the first sensor 491 outputs a first signal (such as a high level). When the first sensor 491 is separated from the first detection piece 492, the first detection piece 492 withdraws from the space between the light emitter and the light receiver of the first sensor 491, and the first sensor 491 outputs a second signal (such as a low level). The working principle of the second sensor 501 is the same as that of the first sensor 491, and will not be elaborated here. By setting the first detection component 49 and the second detection component 50 in this embodiment, the position of the reciprocating rod 41 can be accurately determined. Furthermore, the movement of the reciprocating rod 41 can be controlled according to the positions of the hopper 3 and the gate 5, so that the gate 5 can be locked in position by the reciprocating rod 41 in the retracted position when the gate 5 is in the closed position, and the reciprocating rod 41 in the extended position can cooperate with the shielding door when the hopper 3 is in the middle position.

[0069] Optionally, please refer to Figure 5 and Figure 6, the support frame 47 includes a first plate 471, a second plate 472, and a third plate 473 that are vertically connected in sequence. The first plate 471 and the third plate 473 face each other. The motor 42 is fixedly connected to the third plate 473, and the output gear 43 is located between the first plate 471 and the third plate 473. A slotted opening 474 is provided on the second plate 472. The reciprocating rod 41 is slidably installed between the first plate 471 and the third plate 473 and is inserted and matched with the slotted opening 474. The moving direction of the reciprocating rod 41 can be restricted through the slotted opening 474. Moreover, parts such as the motor 42, the reciprocating rod 41, and the gear are all integrated on the support frame 47, facilitating the modular design of the shielding door driving mechanism 4.

[0070] Optionally, please refer to Figure 6 , the support frame 47 further includes a support shaft 48 connected between the first plate 471 and the third plate 473. The support shaft 48 is arranged parallel and spaced from the second plate 472. The support shaft 48 and the second plate 472 jointly support the reciprocating rod 41. In this way, the moving direction of the reciprocating rod 41 can be restricted jointly by the support shaft 48 and the slotted opening 474.

[0071] As an alternative solution, the shielding door driving mechanism 4 further includes a second electromagnet. The second electromagnet includes a coil, an armature, and a spring. The reciprocating rod 41 is fixedly connected or integrally formed with the armature of the second electromagnet. When the second electromagnet is energized, the armature drives the reciprocating rod 41 to move to the extended position. When the second electromagnet is de-energized, under the action of the spring, the armature drives the reciprocating rod 41 to move to the retracted position.

[0072] As an alternative solution, the shielding door driving mechanism 4 further includes a second linear driving member such as a cylinder or an electric push rod. The reciprocating rod 41 can be driven by the second linear driving member to move between the extended position and the retracted position along the telescopic direction.

[0073] Optionally, please refer to Figure 1 、 Figure 2 、 Figures 7 to 10, the goods pickup opening 121, the goods delivery opening 313, and the goods inlet 312 are arranged in sequence in the front - rear direction. The frame 31 is provided with a slot 317 located below the goods delivery opening 313 and communicating with the goods delivery opening 313. In the up - down direction, the middle position is higher than the delivery position; the shielding door can move upward relative to the frame 31 to open the goods delivery opening 313 or move downward relative to the frame 31 to close the goods delivery opening 313; when the hopper 3 is in the middle position and the reciprocating rod 41 is in the extended position, the reciprocating rod 41 is inserted into the slot 317 and cooperates with the shielding door. With such a setting, after the reciprocating rod 41 is inserted into the slot 317, the hopper 3 moves downward, and the reciprocating rod 41 drives the shielding door that closes the goods delivery opening 313 to move upward relative to the frame 31, capable of opening the goods delivery opening 313. Optionally, the slot 317 extends in the up - down direction, the upper end of the slot 317 communicates with the goods delivery opening 313, and the lower end of the slot 317 communicates with the outside. In this way, the position accuracy requirement for the middle position of the hopper 3 in the up - down direction can be reduced. In other embodiments, it is also possible to make the delivery position of the hopper 3 above the middle position, the shielding door moves downward relative to the frame 31 to open the goods delivery opening 313, and the shielding door moves upward relative to the frame 31 to close the goods delivery opening 313.

[0074] Optionally, please refer to Figures 8 to 10 , the frame 31 includes two first side walls 314 arranged at intervals in the left - right direction. Symmetrically arranged chutes 319 are provided on the two first side walls 314. The shielding door is a rolling shutter door 32. The left and right ends of the rolling shutter door 32 are respectively inserted into the chutes 319 on the two first side walls 314. When the rolling shutter door 32 opens the goods delivery opening 313, the rolling shutter door 32 closes the goods inlet 312 at the same time. When the rolling shutter door 32 closes the goods delivery opening 313, the rolling shutter door 32 opens the goods inlet 312 at the same time; the hopper 3 further includes two elastic members 33. The two elastic members 33 are respectively located outside the two first side walls 314. The first ends of the two elastic members 33 are both connected to the frame 31, and the second ends of the two elastic members 33 are respectively connected to the two ends of the rolling shutter door 32. Under the elastic force of the two elastic members 33, the rolling shutter door 32 always has a tendency to move to close the goods delivery opening 313 and open the goods inlet 312. With such a setting, through a single rolling shutter door 32, either one of the goods inlet 312 and the goods delivery opening 313 can be opened and the other can be closed; in addition, by providing two elastic members 33, the rolling shutter door 32 always has a tendency to close the goods delivery opening 313, so that without the action of other external forces, the rolling shutter door 32 can automatically close the goods delivery opening 313 under the drive of the elastic members 33 to prevent the goods in the goods storage bin 311 or on the shelf 2 from being stolen. Preferably, the chute 319 is in an n - shape.

[0075] It should be noted that the number of the elastic members 33 is not limited in this embodiment. In other embodiments, the number of the elastic members 33 can also be set to four or more according to needs.

[0076] Alternatively, see Figure 9 The cross-section of the cargo storage bin 311 is U-shaped. Specifically, the frame 31 further includes a support wall 315, which is connected between the two first side walls 314 and together with the two first side walls 314 form the cargo storage bin 311. A cargo inlet 312 is formed between the two first side walls 314 and on the upper rear side of the support wall 315. A cargo outlet 313 is formed between the two first side walls 314 and on the upper front side of the support wall 315. A slot 317 is provided on the support wall 315 and is connected to the lower end of the cargo outlet 313. The provision of the support wall 315 ensures the relative position between the two first side walls 314 is stable and improves the overall structural strength of the frame 31. At the same time, the provision of the slot 317 on the support wall 315 allows the area below the cargo outlet 313 to be used for accommodating cargo, thereby increasing the volume of the cargo storage bin 311. Preferably, the support wall 315 and the two first side walls 314 are integrally provided, which can reduce the number of components and further improve the overall structural strength of the frame 31. In other embodiments, the delivery port 313 may also be formed between the two first side walls 314 and in front of the support wall 315 .

[0077] Alternatively, see Figure 10 The frame 31 also includes two second side walls 316, which are arranged in a one-to-one correspondence with the two first side walls 314. Each second side wall 316 is located on the side of the corresponding first side wall 314 away from the cargo compartment 311. Each second side wall 316 is arranged relative to the corresponding first side wall 314 and spaced apart. The two second side walls 316 form two accommodating spaces 318 with the two first side walls 314 respectively; the two ends of the rolling shutter door 32 are respectively inserted into the two accommodating spaces 318, and the elastic member 33 is a tension spring. When the rolling shutter door 32 opens the shipping port 313 and closes the shipping port 312, the two tension springs are respectively located in the two accommodating spaces 318. With such arrangement, when the rolling shutter door 32 opens the delivery port 313 and closes the delivery port 312, the tension spring is stretched and lengthened, the pitch of the spring wire of the tension spring becomes larger, and foreign matter or other structures can more easily enter between the spring wires. At this time, the stretched and deformed tension spring is accommodated by two accommodating spaces 318 respectively, which can prevent foreign matter or other structures from extending between the spring wires, ensure the reliability of the two tension springs, and further ensure that the rolling shutter door 32 can reliably close the delivery port 313.

[0078] Optionally, refer again to Figure 10, the hopper 3 further includes two pulley assemblies disposed on the frame 31. Each pulley assembly includes at least one pulley 35. The two pulley assemblies are arranged corresponding to the two tension springs. One ends of the two tension springs are both connected to the frame 31, and the other ends of the two tension springs respectively bypass the pulleys 35 of the corresponding pulley assemblies and then are connected to both ends of the rolling shutter door 32. By making the tension spring bypass the pulley assembly, a relatively long tension spring can be arranged in a relatively small space, thereby supporting the rolling shutter door 32 to have a relatively large moving stroke. Specifically, in this embodiment, a scheme in which each pulley assembly includes two pulleys 35 is exemplarily given. One of the two pulleys 35 is disposed below the delivery outlet 313, and the other is adjacent to the top of the frame 31. The tension spring bypasses the two pulleys 35 in sequence, so that the tension spring has a relatively long length. In this embodiment, an opening (not shown in the drawings) is provided at the bottom of the accommodation space 318. The pulley 35 is located below the opening. After the tension spring bypasses the pulley 35, it enters the accommodation space 318 through the opening and is connected to the end of the rolling shutter door 32. When the rolling shutter door 32 opens the delivery outlet 313, the rolling shutter door 32 moves upward relative to the frame 31, the tension spring is stretched, and the pulley 35 can also prevent the tension spring from contacting the second side wall 316. In other embodiments, the tension spring and the pulley 35 can also be both disposed in the accommodation space 318.

[0079] Optionally, please refer to Figure 11 and Figure 12, the rolling shutter door 32 includes a first door panel 321, a second door panel 322 and a first shaft 323. The first door panel 321 and the second door panel 322 are hinged by the first shaft 323, and both ends of the first shaft 323 are inserted into the chutes 319 on the two first side walls 314. The rolling shutter door 32 further includes a force-receiving portion 324 fixedly connected to the first door panel 321. When the rolling shutter door 32 closes the shipping outlet 313 and the hopper 3 moves from the middle position to the shipping position, the reciprocating rod 41 at the extended position abuts against and cooperates with the force-receiving portion 324, and drives the rolling shutter door 32 to open the shipping outlet 313. With such an arrangement, the rolling shutter door 32 moves through the first shaft 323 in the chute 319, and the first door panel 321 and the second door panel 322 are located outside the chute 319. When the movement direction of the first shaft 323 changes, the first door panel 321 and the second door panel 322 will not interfere with the movement of the first shaft 323, so as to ensure that the rolling shutter door 32 can move smoothly along the chute 319. Preferably, the force-receiving portion 324 is centrally arranged with respect to the first door panel 321, so that when the reciprocating rod 41 cooperates with the force-receiving portion 324, both ends of the rolling shutter door 32 can move smoothly with respect to the chutes 319 on the two first side walls 314. Further preferably, the rolling shutter door 32 further includes two shaft sleeves 325. The two shaft sleeves 325 are respectively sleeved on both ends of the first shaft 323 and are respectively inserted and cooperated with the chutes 319 on the two first side walls 314. When the rolling shutter door 32 moves, the shaft sleeves 325 slide in the chutes 319. Once the shaft sleeves 325 are worn, only the shaft sleeves 325 need to be replaced. Further preferably, the first door panel 321 includes two first insertion portions 331 arranged at intervals, and the second door panel 322 includes two second insertion portions 332 arranged at intervals. The two first insertion portions 331 of the first door panel 321 and the two second insertion portions 332 of the second door panel 322 are alternately arranged, and each first insertion portion 331 and each second insertion portion 332 are sleeved on the first shaft 323 to realize the hinge connection between the first door panel 321 and the second door panel 322.

[0080] It should be noted that the rolling shutter door 32 includes a plurality of second door panels 322 and a plurality of first shafts 323. The plurality of second door panels 322 are arranged in sequence along the moving direction of the rolling shutter door 32, and any two adjacent second door panels 322 are hinged by the first shaft 323, and both ends of each first shaft 323 are inserted and cooperated with the chutes 319 on the two first side walls 314.

[0081] Optionally, please refer to Figures 10 to 14, the rolling door 32 further includes a second shaft 326 and two positioning sleeves 327. The second shaft 326 is connected to the side of the first door panel 321 away from the second door panel 322. The two positioning sleeves 327 are respectively sleeved on both ends of the second shaft 326, and the two positioning sleeves 327 are respectively inserted and matched with the sliding grooves 319 on the two first side walls 314. A hanging hole 330 is provided on each positioning sleeve 327. Hanging rings 36 are provided at the second ends of the two elastic members 33, and the two hanging rings 36 are respectively inserted into the two hanging holes 330. With such a setting, when the rolling door 32 opens or closes the shipping opening 313, the positioning sleeve 327 slides in the sliding groove 319. Once the positioning sleeve 327 is worn, it is convenient to directly replace the positioning sleeve 327. Preferably, two third insertion parts 333 are provided on the first door panel 321, and the second shaft 326 is inserted into the two third insertion parts 333.

[0082] Optionally, please refer to Figure 11 and Figure 12 , the force-receiving part 324 is located between the two third insertion parts 333, and the force-receiving part 324 is sleeved on the second shaft 326. With such a setting, it can be ensured that the force-receiving part 324 has a high structural strength.

[0083] Optionally, please refer to Figure 12 and Figure 13 , the positioning sleeve 327 includes a sleeve 328 and a positioning part 329 fixedly connected to the outer wall of the sleeve 328. The sleeve 328 is sleeved on the second shaft 326. The positioning part 329 is provided with a positioning surface. The end of the sliding groove 319 is provided with a bottom wall 320. When the rolling door 32 closes the shipping opening 313, the positioning surface is in surface contact with the bottom wall 320, so that the position of the rolling door 32 can be kept stable. Preferably, the bottom wall 320 is flush with the lower edge of the shipping opening 313. Further preferably, the hanging hole 330 is provided on the positioning part 329.

[0084] Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims

1. A vending machine, characterized in that, Comprising: A cabinet (1) provided with a pick-up opening (121); A goods shelf (2) for accommodating goods; A hopper (3) movably arranged inside the cabinet (1), the hopper (3) comprising a frame (31) and a shielding door. The frame (31) is provided with a goods storage bin (311), and an inlet (312) and an outlet (313) respectively arranged on both sides of the goods storage bin (311). The inlet (312) and the outlet (313) are both communicated with the goods storage bin (311). The shielding door is movably connected to the frame (31), and the shielding door is used to close or open the outlet (313). The hopper (3) can move relative to the goods shelf (2) and has a pick-up position, a delivery position and an intermediate position. When the hopper (3) is in the pick-up position, the inlet (312) faces the goods shelf (2), and the shielding door closes the outlet (313). When the hopper (3) is in the delivery position, the shielding door opens the outlet (313), and the outlet (313) faces the pick-up opening (121); A shielding door driving mechanism (4) arranged in the cabinet (1), the shielding door driving mechanism (4) comprising a reciprocating rod (41) movably connected to the cabinet (1). The reciprocating rod (41) can move relative to the cabinet (1) and has an extended position and a retracted position. When the hopper (3) is in the intermediate position and the reciprocating rod (41) is in the extended position, the reciprocating rod (41) can cooperate with the shielding door closing the outlet (313), and during the process of the hopper (3) moving from the intermediate position to the delivery position, the reciprocating rod (41) can drive the shielding door to move relative to the frame (31) so that the shielding door moves to a position where the outlet (313) is opened.

2. The vending machine according to claim 1, wherein, The vending machine further comprises a gate (5) slidably connected to the cabinet (1). The gate (5) can slide relative to the cabinet (1) and has an open position for opening the pick-up opening (121) and a closed position for closing the pick-up opening (121). The gate (5) is provided with a locking groove (51); The reciprocating rod (41) has a first end (411) and a second end (412) arranged at intervals along the telescopic direction. When the reciprocating rod (41) is in the retracted position and the gate (5) is in the closed position, the first end (411) is separated from the shielding door, and the second end (412) is inserted into the locking groove (51) to lock the position of the gate (5); when the reciprocating rod (41) is in the extended position and the hopper (3) is in the intermediate position, the first end (411) cooperates with the shielding door, and the second end (412) withdraws from the locking groove (51).

3. The vending machine according to claim 1 or 2, characterized in that, The shielding door driving mechanism (4) further comprises: A motor (42); An output gear (43) fixed to the output shaft of the motor (42); A rack (44) is fixedly connected to the reciprocating rod (41). The output gear (43) is directly or indirectly meshed with the rack (44). Driven by the motor (42), the rack (44) drives the reciprocating rod (41) to move between the extended position and the retracted position.

4. The vending machine according to claim 3, characterized in that, The shutter door driving mechanism (4) further includes: A support frame (47) fixedly connected to the cabinet (1). The reciprocating rod (41) is slidably connected to the support frame (47); A first detection component (49), including a first sensor (491) and a first detection piece (492). The first sensor (491) is fixedly connected to one of the support frame (47) and the reciprocating rod (41), and the first detection piece (492) is fixedly connected to the other of the support frame (47) and the reciprocating rod (41); A second detection component (50), including a second sensor (501) and a second detection piece (502). The second sensor (501) is fixedly connected to one of the support frame (47) and the reciprocating rod (41), and the second detection piece (502) is fixedly connected to the other of the support frame (47) and the reciprocating rod (41). When the reciprocating rod (41) is in the extended position, the first sensor (491) cooperates with the first detection piece (492), and the second sensor (501) is separated from the second detection piece (502). When the reciprocating rod (41) is in the retracted position, the first sensor (491) is separated from the first detection piece (492), and the second sensor (501) cooperates with the second detection piece (502).

5. The vending machine according to claim 1, characterized in that, The pick-up opening (121), the delivery opening (313), and the loading opening (312) are arranged in sequence in the front-rear direction. The frame (31) is provided with a slot (317) located below the delivery opening (313) and communicating with the delivery opening (313). In the up-down direction, the middle position is higher than the delivery position; The shutter door is slidably connected to the frame (31), and the shutter door can move upward relative to the frame (31) to open the delivery opening (313) or move downward relative to the frame (31) to close the delivery opening (313); When the hopper (3) is in the middle position and the reciprocating rod (41) is in the extended position, the reciprocating rod (41) is inserted into the slot (317) and can cooperate with the shutter door closing the delivery opening.

6. The vending machine according to claim 5, characterized in that, The frame (31) includes two first side walls (314) spaced apart in the left-right direction, and the two first side walls (314) are symmetrically provided with sliding grooves (319). The shielding door is a rolling shutter door (32), and the left and right ends of the rolling shutter door (32) are respectively plugged into the two sliding grooves (319). When the rolling shutter door (32) opens the delivery port (313), the rolling shutter door (32) closes the delivery port (312). When the rolling shutter door (32) closes the delivery port (313), the rolling shutter door (32) opens the delivery port (312). The cargo bucket (3) further comprises two elastic members (33), the two elastic members (33) being respectively located on the outsides of the two first side walls (314), the first ends of the two elastic members (33) being connected to the frame (31), and the second ends of the two elastic members (33) being respectively connected to the two ends of the rolling shutter door (32), and under the elastic force of the two elastic members (33), the rolling shutter door (32) always has a movement tendency of closing the delivery port (313) and opening the delivery port (312).

7. The vending machine according to claim 6, characterized in that, The frame (31) further includes two second side walls (316), the two second side walls (316) are arranged in a one-to-one correspondence with the two first side walls (314), each second side wall (316) is located on a side of the corresponding first side wall (314) away from the cargo storage bin (311), each second side wall (316) is spaced apart from the corresponding first side wall (314), and the two second side walls (316) respectively form two accommodating spaces (318) with the two first side walls (314); The two ends of the rolling shutter door (32) are respectively inserted into the two accommodating spaces (318); the elastic member (33) is a tension spring; when the rolling shutter door (32) opens the delivery port (313) and closes the delivery port (312), the two tension springs are respectively located in the two accommodating spaces (318).

8. The vending machine according to claim 7, characterized in that, The cargo bucket (3) also includes two pulley assemblies arranged on the frame (31), each of the pulley assemblies includes at least one pulley (35), and the two pulley assemblies are arranged in a one-to-one correspondence with the two tension springs. One end of the two tension springs is connected to the frame (31), and the other ends of the two tension springs are connected to the two ends of the rolling door (32) after passing through the pulleys of the corresponding pulley assemblies.

9. The vending machine according to claim 7, wherein, The rolling door (32) comprises a first door panel (321), a second door panel (322) and a first shaft (323); the first door panel (321) and the second door panel (322) are hingedly connected via the first shaft (323); and both ends of the first shaft (323) are respectively plugged into the sliding grooves (319) on the two first side walls (314); The rolling shutter door (32) further includes a force-receiving part (324) fixedly connected to the first door panel (321). When the rolling shutter door (32) closes the shipping opening (313) and the hopper (3) moves from the middle position to the shipping position, the reciprocating rod (41) abuts and cooperates with the force-receiving part (324).

10. The vending machine according to claim 9, characterized in that, The rolling shutter door (32) further includes a second shaft (326) and two positioning sleeves (327). The second shaft (326) is connected to the side of the first door panel (321) away from the second door panel (322). The two positioning sleeves (327) are respectively sleeved on both ends of the second shaft (326), and the two positioning sleeves (327) are respectively inserted and cooperated with the chutes (319) on the two first side walls (314). A hanging hole (330) is provided on each positioning sleeve (327). The second ends of the two elastic members (33) are respectively provided with hanging rings (36), and the two hanging rings (36) are respectively inserted and cooperated with the two hanging holes (330).

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