CN210488663U - Pushing mechanism and vending machine - Google Patents

Abstract

The utility model relates to an automatic vending device technical field discloses a push away cargo aircraft and automatic vending machine. The goods pushing mechanism comprises a support frame, a driving assembly and a push plate assembly, wherein the driving assembly and the push plate assembly are arranged on the support frame; the push plate assembly is connected with the support frame in a sliding mode and comprises a push plate and a connecting piece, the push plate is pivoted with the connecting piece and can rotate around a pivoting shaft, and the push plate is provided with a goods pushing position and a goods loading position; the connecting piece is provided with a first half thread part, when the push plate is positioned at a goods pushing position, the first half thread part is meshed with the lead screw, and the lead screw can drive the push plate component to move along a first direction; when the push plate is in the loading position, the first half-thread part is separated from the lead screw, and the push plate assembly can be pushed to move along the direction opposite to the first direction. The automatic vending machine comprises the goods pushing mechanism. The utility model discloses reduce automatic vending machine energy consumption and control complexity, practiced thrift electrical component's cost, the operation personnel of being convenient for simultaneously carry out quick replenishment.

Description

Pushing mechanism and vending machine

Technical Field

The utility model relates to an automatic vending device technical field especially relates to a push away cargo aircraft and automatic vending machine.

Background

The vending machine is used as a channel extension of a retail convenience store, has the advantages of small occupied space, low labor cost, small influence of point space and the like, and brings great convenience to shopping for users. A plurality of independent channels are usually provided in a cabinet of an automatic vending machine, and a pushing mechanism for pushing out goods in the channels is provided in each channel. The goods pushing mechanism in the related art generally comprises a push plate and a motor in transmission connection with the push plate, when goods are required to be delivered, the motor drives the push plate to move forwards to push the goods to be delivered, when goods are required to be replenished, the motor rotates reversely to drive the push plate to move backwards, and the goods delivery space is emptied. However, such a vending machine requires the motor in the pushing mechanism to be capable of rotating reversely, wherein the manner of rotating the motor reversely increases the energy consumption and control complexity of the vending machine, increases the cost of the electric components, and is inconvenient for the operator to operate quickly for replenishment.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a push away goods mechanism and have its automatic vending machine to reduce automatic vending machine's energy consumption, practice thrift the electrical component cost, reduce automatic vending machine control's complexity, the quick replenishment of the operating personnel of being convenient for simultaneously.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a goods pushing mechanism comprises a supporting frame, a driving assembly and a push plate assembly, wherein the driving assembly and the push plate assembly are arranged on the supporting frame; the push plate assembly is connected with the support frame in a sliding mode and comprises a push plate and a connecting piece, the push plate is pivoted with the connecting piece and can rotate around a pivoting shaft, and the push plate is provided with a goods pushing position and a goods loading position; the connecting piece is provided with a first half-thread part, when the push plate is positioned at a goods pushing position, the first half-thread part is meshed with the lead screw, and the lead screw can drive the push plate assembly to move along a first direction; when the push plate is in the loading position, the first half thread part is separated from the lead screw, and the push plate assembly can be pushed to move along the direction opposite to the first direction.

As a preferred scheme of the cargo pushing mechanism, the support frame comprises a support surface for supporting the cargo, an elongated slot extending along a first direction is arranged on the support surface, the push plate assembly can slide along the elongated slot, when the push plate is switched from the cargo pushing position to the cargo loading position, the push plate is abutted against the support surface, and the push plate drives the connecting piece to move upwards so as to separate the first half-thread part from the screw rod.

As a preferred scheme who pushes away cargo aircraft structure, the push pedal has the face of pushing away the goods, works as the push pedal is in when pushing away the goods position, push away the goods face with the contained angle setting is personally submitted to the support, works as the push pedal is by pushing away the goods position to the position of loading when switching, push away the goods face along being close to the direction of support rotates.

As a preferable scheme of the goods pushing mechanism, the connecting piece further comprises a supporting part and an inserting part, the inserting part penetrates through the long groove, the supporting part is connected with the upper end of the inserting part, and the first half thread part is connected with the lower end of the inserting part; the push plate is pivoted with the supporting part.

As a preferable aspect of the cargo pushing mechanism, the cargo pushing mechanism further includes a first elastic member connected to the connecting member, and the first elastic member is configured to make the first half-threaded portion always have a movement tendency close to the screw shaft.

As a preferable scheme of the goods pushing mechanism, the support frame is further provided with a guide rail extending along a first direction, the goods pushing mechanism further comprises a guide piece, the guide piece comprises a guide edge, and the guide edge is in sliding fit with the guide rail; the guide piece further comprises a guide post extending along the second direction, a guide hole is formed in the connecting piece, the guide post is in plug-in fit with the guide hole, and the second direction is perpendicular to the first direction.

As an optimal scheme of pushing away cargo aircraft structure, push away cargo aircraft structure still includes the locating part, the locating part with the guide post is connected, first elastic component is the pressure spring, the pressure spring cover is in on the guide post, the one end butt of pressure spring in the locating part, the other end butt in the connecting piece.

As a preferred scheme of pushing away cargo aircraft structure, the guide part still includes the sleeve, telescopic internal diameter is greater than the external diameter of lead screw, the sleeve cover is located the lead screw.

As a preferable mode of the cargo pushing mechanism, the guide member further includes a second half-thread portion, and when the push plate is located at the cargo pushing position, the second half-thread portion of the guide member and the first half-thread portion of the connecting member surround the screw shaft and are simultaneously engaged with the screw shaft.

As a preferred scheme of the goods pushing mechanism, the driving assembly further comprises a motor connected with the lead screw in a transmission mode, the goods pushing mechanism further comprises a second elastic piece, and the second elastic piece is sleeved on the lead screw and located between the connecting piece and the motor.

The vending machine comprises a cabinet body and the goods pushing mechanism, wherein the goods pushing mechanism is arranged in the cabinet body.

The utility model has the advantages that:

the utility model provides a goods pushing mechanism, which comprises a support frame, a driving component and a push plate component, wherein the driving component is arranged on the support frame and comprises a lead screw extending along a first direction; the push plate assembly is connected with the support frame in a sliding mode and comprises a push plate and a connecting piece, the push plate is pivoted with the connecting piece and can rotate around a pivoting shaft, and the push plate is provided with a goods pushing position and a goods loading position; the connecting piece is provided with a first half-thread part, when the push plate is positioned at a goods pushing position, the first half-thread part is meshed with the lead screw, and at the moment, the lead screw rotates to drive the push plate to move along a first direction through the connecting piece, so that goods are pushed out; when the push plate is in the loading position, the first half thread part is separated from the screw rod, and the push plate is manually pushed at the moment, so that the push plate can move along the direction opposite to the first direction, and the goods can be supplemented.

The utility model discloses a push away cargo aircraft structure need not the reversal through drive assembly when the replenishment can realize that the push pedal moves to the goods way inboard, has reduced energy resource consumption, has practiced thrift electrical component's cost, and has reduced automatic vending machine's control complexity, and the operating personnel of being convenient for simultaneously mend the goods fast.

Drawings

Fig. 1 is a first schematic structural diagram (cabinet door closed) of the vending machine according to the embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of the vending machine according to the embodiment of the present invention (the cabinet door is opened);

fig. 3 is a first schematic structural diagram of a cargo pushing mechanism according to an embodiment of the present invention (a pushing plate is in a cargo pushing position);

fig. 4 is a schematic structural diagram of a second cargo pushing mechanism provided in the embodiment of the present invention (the pushing plate is in the loading position);

fig. 5 is a third schematic structural view of the pushing mechanism according to the embodiment of the present invention (when the pushing plate is switched from the pushing position to the loading position);

fig. 6 is an exploded schematic view of a cargo pushing mechanism according to an embodiment of the present invention;

fig. 7 is a schematic view of an assembly structure of a push plate assembly and a lead screw according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of the push plate assembly and guide provided by an embodiment of the present invention (the push plate in the loading position);

fig. 9 is an exploded schematic view of a connecting member and a guiding member according to an embodiment of the present invention.

In the figure:

100-a pushing mechanism; 200-a cabinet body; 300-a cabinet door; 400-a locking assembly; 500-a pick-up door; 600-a goods taking bucket; 700-a lift drive; 800-a human-computer interaction device; 900-partition plate.

1-a support frame; 11-a support surface; 12-long groove; 13-a guide rail;

2-a drive assembly; 21-a lead screw; 22-a motor; 23-a reduction gearbox;

3-a push plate assembly; 31-a push plate; 311-pushing goods surface; 32-a connector; 321-a first half-threaded portion; 322-a plug-in part; 323-a support portion; 324-a pilot hole; 33-a pivot shaft;

4-a first elastic member;

5-a guide; 51-a guide edge; 52-a guide post; 53-a sleeve; 54-a second half-threaded portion;

6-a limiting part;

7-a second elastic element.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 is a schematic structural diagram of the vending machine provided in this embodiment when a cabinet door is closed; fig. 2 is a schematic structural diagram of the vending machine provided in this embodiment in a state where the cabinet door is opened. As shown in fig. 1 and fig. 2, the present embodiment provides an automatic vending machine, which includes a cabinet 200 and a cabinet door 300, wherein the cabinet door 300 is pivoted to the cabinet 200, the cabinet door 300 can be opened or closed by rotating around a pivoting axis, and further includes a safety lock (not shown) for locking the cabinet door 300 in a closed position. A plurality of goods channels for placing goods and a goods taking bucket 600 for receiving the goods are arranged in the cabinet 200, and a goods pushing mechanism 100 (see fig. 3) is arranged in each goods channel. The cabinet door 300 is provided with a human-computer interaction device 800 and a goods taking opening, the goods taking opening is provided with a goods taking door 500 and a locking assembly 400, the goods taking door 500 is used for opening or closing the goods taking opening, and the locking assembly 400 is used for locking the goods taking door 500 on a closed position. After the user selects the type and quantity of the goods in the vending machine through the human-computer interaction device 800 and completes payment, the goods can be pushed to the goods taking bucket 600 along the first direction by the goods pushing mechanism 100 in the corresponding goods channel, then the locking assembly 400 releases the locking of the position of the goods taking door 500, and the user can open the goods taking door 500 and take the goods in the goods taking bucket 600 through the goods taking opening.

With continued reference to fig. 2, a plurality of laminates are arranged in the cabinet 200 at intervals along the vertical direction, a plurality of partitions 900 are arranged on each laminate at intervals along the left-right direction, and the partitions 900 on each laminate and the inner wall of the cabinet 200 form a plurality of cargo channels. The goods taking bucket 600 is located between the goods passage and the cabinet door 300 and is used for receiving goods output by the goods passage. Optionally, a lifting driving device 700 is further disposed in the cabinet 200, the lifting driving device 700 is in transmission connection with the goods taking bucket 600, and the lifting driving device 700 can drive the goods taking bucket 600 to move in the up-down direction to receive goods. After the user selects the goods and finishes payment, the lifting driving device 700 drives the goods taking bucket 600 to reach the height of the appointed goods channel, and after the goods are conveyed to the goods taking bucket 600, the lifting driving device 700 drives the goods taking bucket 600 to move to the position opposite to the goods taking port, so that the user can take out the goods conveniently. Above-mentioned setting can avoid the goods directly to drop to getting in the goods fill 600 from the eminence, causes the damage of goods. In addition, the bottom of the cabinet 200 is further provided with a detection piece for detecting whether the goods taking bucket 600 reaches a position opposite to the goods taking opening.

Fig. 3 is a schematic structural diagram of the cargo pushing mechanism 100 provided in the embodiment, in which the pushing plate 31 is in the cargo pushing position; fig. 4 is a structural schematic diagram of the cargo pushing mechanism 100 provided in this embodiment, in which the pushing plate 31 is in the cargo loading position; fig. 5 is a third schematic structural diagram of the cargo pushing mechanism 100 provided in this embodiment, in which the pushing plate 31 is in the process of switching from the cargo pushing position to the cargo loading position. As shown in fig. 3 to 5, the cargo pushing mechanism 100 provided in this embodiment includes a supporting frame 1, a driving assembly 2 disposed on the supporting frame 1, and a pushing plate assembly 3. The driving assembly 2 comprises a motor 22, a reduction gearbox 23 and a screw rod 21, the output end of the motor 22 is connected with the input end of the reduction gearbox 23, the output end of the reduction gearbox 23 is in transmission connection with the screw rod 21, and the screw rod 21 extends along a first direction. Here, the first direction is in the horizontal plane, in particular the direction in which the goods are pushed out of the cargo way. The push plate component 3 is slidably connected with the support frame 1, the push plate component 3 comprises a push plate 31 and a connecting piece 32, the connecting piece 32 is provided with a first half thread part 321, the push plate 31 is pivoted with the connecting piece 32, and the push plate 31 can rotate around a pivoting shaft 33. The pusher 31 has a pushing position for pushing the goods and a loading position for loading the goods again after the goods are sold out. When the push plate 31 is at the goods pushing position, the first half-thread portion 321 of the connecting member 32 is engaged with the screw rod 21, and at this time, the screw rod 21 rotates to drive the push plate 31 to move along the first direction through the connecting member 32, so as to push out the goods. When the push plate 31 is at the loading position, the push plate 31 abuts against the support frame 1 to drive the first half-thread portion 321 to be separated from the screw rod 21, and at the moment, the push plate 31 is manually pushed to move to the inner side of the cargo channel along the direction opposite to the first direction so as to supplement the cargo. The goods pushing mechanism 100 of the embodiment can realize that the push plate 31 moves to the inner side of the goods channel without reversing through the driving assembly 2 when supplementing goods, thereby reducing energy consumption, saving the cost of electrical elements, reducing the control complexity of the vending machine, and facilitating quick replenishment of operating personnel.

Fig. 6 is an exploded schematic view of the cargo pushing mechanism 100 provided in this embodiment; FIG. 7 is a schematic view of an assembly structure of the push plate assembly 3 and the lead screw 21 provided in the present embodiment; FIG. 8 is a sectional view showing the construction of the push plate assembly 3 and the guide 5 provided in the present embodiment, in which the push plate 31 is in the loading position; fig. 9 is an exploded view of the connecting member 32 and the guide 5 according to the present embodiment. Referring to fig. 3 to 9, the supporting frame 1 of the present embodiment includes a supporting surface 11 for supporting goods, and the supporting surface 11 is provided with an elongated slot 12 extending along a first direction. The connecting member 32 further includes a supporting portion 323 and a plug portion 322, the plug portion 322 passes through the elongated slot 12, the supporting portion 323 is connected to an upper end of the plug portion 322, the first half-thread portion 321 is connected to a lower end of the plug portion 322, the supporting portion 323 is located above the supporting surface 11, and both the first half-thread portion 321 and the lead screw 21 are located below the supporting surface 11. The push plate 31 of the present embodiment is pivotally connected to the support portion 323. Specifically, the supporting portion 323 includes a bottom plate and two lugs spaced apart from the bottom plate, the two lugs are perpendicular to the bottom plate, and the two lugs are rotatably connected to the push plate 31 through two pivot shafts 33. Further, as shown in fig. 3, the pushing plate 31 has a goods pushing surface 311, and when the pushing plate 31 is in the goods pushing position, the goods pushing surface 311 is disposed at an angle with the supporting surface 11, which is preferably 90 degrees in this embodiment, so as to increase the placing space of the goods and push the goods efficiently. As shown in fig. 5, when the push plate 31 is switched from the pushing position to the loading position, the pushing surface 311 rotates in a direction close to the supporting surface 11, and this arrangement enables the top end of the push plate 31 to be held when the push plate 31 is pushed in the reverse direction of the first direction during replenishment, thereby improving the convenience of operation. As shown in fig. 4, when the pushing plate 31 is at the loading position, the bottom end of the pushing plate 31 abuts against the supporting surface 11, and the vertical distance from the pivot shaft 33 to the supporting surface 11 is greater than that when the pushing plate 31 is at the loading position. This arrangement enables the push plate 31 to drive the connecting member 32 to move upward to separate the first half-threaded portion 321 from the lead screw 21 when the push plate 31 is switched from the push position to the loading position.

Preferably, as shown in fig. 6, the cargo pushing mechanism 100 further includes a guide 5, the guide 5 includes two guide posts 52 extending along the second direction, and the two guide posts 52 are spaced apart along the third direction. Here, the second direction is perpendicular to the first direction and the third direction, i.e., the second direction is disposed in a vertical direction. The connecting piece 32 is provided with two guide holes 324, the two guide columns 52 are matched with the two guide holes 324 in an inserted manner, the connecting piece 32 and the guide piece 5 can synchronously move along the first direction due to the arrangement, the moving stability of the connecting piece 32 is improved, and meanwhile, the guide piece 5 can be pushed to the inner side of the cargo channel together by pushing the push plate 31 during replenishment. The support frame 1 of this embodiment extends along first direction, still is provided with two guide rails 13 that extend along first direction on the support frame 1, and two guide rails 13 are arranged along the third direction interval. Here, the third direction is also in the horizontal plane and perpendicular to the first direction. Two guide edges 51 are provided on both sides of the guide 5, and the two guide edges 51 are slidably engaged with the two guide rails 13, thereby achieving smooth sliding of the guide 5 in the first direction. Preferably, the screw 21 of the present embodiment is inserted between the two guide posts 52 to increase the balance of the movement and the operational reliability of the pushing mechanism 100.

Further, referring to fig. 6 and 7, the cargo pushing mechanism 100 of the present embodiment further includes a first elastic member 4, the first elastic member 4 is connected to the connecting member 32, and the first elastic member 4 is configured to make the first half-threaded portion 321 always have a tendency to move closer to the screw 21. This arrangement enables the push plate 31 to be stabilized at the push position on the one hand, and ensures reliable engagement of the first half-threaded portion 321 with the lead screw 21 on the other hand. Further, the cargo pushing mechanism 100 further includes a limiting member 6 for limiting the movement of the first elastic member 4. Specifically, in the present embodiment, the first elastic element 4 is a compression spring, the compression spring is sleeved on the guide post 52, one end of the compression spring abuts against the limiting element 6, and the other end of the compression spring abuts against the connecting element 32. Preferably, the position limiting member 6 of the present embodiment is a screw, and the end of the guiding column 52 is provided with a threaded hole, and the screw is in threaded connection with the threaded hole, so as to limit the upward movement of the pressure spring. When the push plate 31 is located at the goods pushing position, the first half thread part 321 is meshed with the screw rod 21 through the downward elastic force of the pressure spring; when the pushing plate 31 is located at the loading position, the pushing plate 31 drives the connecting member 32 to move upwards, so that the compression spring is further compressed, and at this time, the first half-thread part 321 is separated from the screw rod 21.

Preferably, referring to fig. 6 and 9, the guide 5 further includes a sleeve 53, an inner diameter of the sleeve 53 is larger than an outer diameter of the screw 21, and the sleeve 53 is sleeved on the screw 21 to increase the movement smoothness of the guide 5. Preferably, the connecting member 32 of the present embodiment includes two first half-threaded portions 321 spaced apart in the first direction, and when the push plate 31 is located at the push position, the two first half-threaded portions 321 simultaneously engage with the lead screw 21, thereby increasing the reliability of the engagement of the connecting member 32 with the lead screw 21. The sleeve 53 is located between the two first half-thread portions 321, the connecting member 32 is further provided with an avoiding hole corresponding to the position of the sleeve 53, the inner diameter of the avoiding hole is larger than the outer diameter of the screw 21, and the two first half-thread portions 321 are respectively arranged at two ends of the avoiding hole. Further, the guide 5 further includes a second half-thread portion 54, and when the push plate 31 is located at the push position, the second half-thread portion 54 of the guide 5 and the first half-thread portion 321 of the connecting member 32 surround the lead screw 21 and simultaneously engage with the lead screw 21. This arrangement enables the drive assembly 2 to drive the link 32 and the guide 5 synchronously, further improving the reliability of the movement of the link 32 and the guide 5.

Preferably, the cargo pushing mechanism 100 of the present embodiment further includes a second elastic member 7, the second elastic member 7 is sleeved on the lead screw 21 and located between the connecting member 32 and the motor 22, and the second elastic member 7 can cooperate with the connecting member 32 (or the guide member 5) to buffer when the push plate 31 moves to the extreme end, so as to prevent the connecting member 32 (or the guide member 5) from causing collision damage to the driving assembly 2. In this embodiment, the second elastic member 7 is preferably a compression spring, and the driving assembly 2 is effectively protected by the elastic force of the compression spring.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A goods pushing mechanism comprises a support frame (1), a driving component (2) arranged on the support frame (1) and a push plate component (3), and is characterized in that the driving component (2) comprises a lead screw (21) extending along a first direction; the push plate assembly (3) is connected with the support frame (1) in a sliding mode, the push plate assembly (3) comprises a push plate (31) and a connecting piece (32), the push plate (31) is pivoted with the connecting piece (32), the push plate (31) can rotate around a pivoting shaft (33), and the push plate (31) is provided with a goods pushing position and a goods loading position; the connecting piece (32) is provided with a first half-thread part (321), when the push plate (31) is at a goods pushing position, the first half-thread part (321) is in meshed connection with the lead screw (21), and the lead screw (21) can drive the push plate assembly (3) to move along a first direction; when the push plate (31) is in the loading position, the first half thread part (321) is separated from the lead screw (21), and the push plate assembly (3) can be pushed to move along the direction opposite to the first direction.

2. The cargo pushing mechanism according to claim 1, wherein the supporting frame (1) comprises a supporting surface (11) for supporting the cargo, an elongated slot (12) extending along a first direction is formed in the supporting surface (11), the pushing plate assembly (3) can slide along the elongated slot (12), when the pushing plate (31) is switched from the cargo pushing position to the cargo loading position, the pushing plate (31) abuts against the supporting surface (11), and the pushing plate (31) drives the connecting piece (32) to move upwards to separate the first half-threaded part (321) from the screw rod (21).

3. The pushing mechanism according to claim 2, characterized in that the pushing plate (31) has a pushing surface (311), the pushing surface (311) is disposed at an angle with respect to the supporting surface (11) when the pushing plate (31) is in the pushing position, and the pushing surface (311) rotates in a direction close to the supporting surface (11) when the pushing plate (31) is switched from the pushing position to the loading position.

4. The cargo pushing mechanism according to claim 2, wherein the connecting member (32) further comprises a supporting portion (323) and an inserting portion (322), the inserting portion (322) passes through the elongated slot (12), the supporting portion (323) is connected with the upper end of the inserting portion (322), and the first half-threaded portion (321) is connected with the lower end of the inserting portion (322); the push plate (31) is pivoted with the supporting part (323).

5. The pushing mechanism according to claim 1, further comprising a first elastic member (4), wherein the first elastic member (4) is connected with the connecting member (32), and the first elastic member (4) is configured to make the first half-threaded portion (321) always have a tendency to move close to the lead screw (21).

6. The cargo pushing mechanism according to claim 5, characterized in that the supporting frame (1) is further provided with a guide rail (13) extending along a first direction, the cargo pushing mechanism further comprises a guide member (5), the guide member (5) comprises a guide edge (51), and the guide edge (51) is slidably engaged with the guide rail (13); the guide piece (5) further comprises a guide post (52) extending along a second direction, a guide hole (324) is formed in the connecting piece (32), the guide post (52) is in plug-in fit with the guide hole (324), and the second direction is perpendicular to the first direction.

7. The cargo pushing mechanism according to claim 6, further comprising a limiting member (6), wherein the limiting member (6) is connected to the guiding post (52), the first elastic member (4) is a compression spring, the compression spring is sleeved on the guiding post (52), one end of the compression spring abuts against the limiting member (6), and the other end of the compression spring abuts against the connecting member (32).

8. The pushing mechanism according to claim 6, characterized in that the guide member (5) further comprises a second half-threaded portion (54), and when the pushing plate (31) is located at the pushing position, the second half-threaded portion (54) of the guide member (5) and the first half-threaded portion (321) of the connecting member (32) surround the screw shaft (21) and are simultaneously engaged with the screw shaft (21).

9. The cargo pushing mechanism according to any one of claims 1 to 8, wherein the driving assembly (2) further comprises a motor (22) in transmission connection with the lead screw (21), and the cargo pushing mechanism further comprises a second elastic member (7), and the second elastic member (7) is sleeved on the lead screw (21) and is located between the connecting member (32) and the motor (22).

10. A vending machine comprising a cabinet (200), characterized in that it further comprises a pushing mechanism according to any one of claims 1 to 9, said pushing mechanism being arranged inside said cabinet (200).

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