Goods taking mechanism with caching function and selling cabinet

Abstract

The utility model provides a goods taking mechanism with a caching function and a selling cabinet, and the goods taking mechanism comprises a fixed goods storage part which is provided with a first accommodation space; the movable storage piece is provided with a second accommodating space; when the movable goods storage piece is located at the first position, the movable goods storage piece is contained in the first containing space, and the second containing space communicates with a goods taking opening of the selling cabinet. When the movable goods storage part is located at the second position, the movable goods storage part is located below the fixed goods storage part, and the first containing space communicates with the goods taking opening; the limiting piece can stretch out and draw back transversely, the limiting piece which stretches out is used for limiting the movable goods storage piece located at the first position to the first position, and when the limiting piece retracts, the movable goods storage piece located at the first position moves to the second position under the action of gravity; and the detection piece is configured to trigger the limiting piece to retract after detecting that the storage duration of the goods in the movable goods storage piece at the first position exceeds the preset duration. The problem that the selling cabinet stops running due to goods retention is solved, and the cost is reduced.

Description

Technical Field

[0001] This application relates to the field of vending machines, and in particular to a pickup mechanism and vending machine with a buffer function. Background Technology

[0002] In some related technologies, vending machines only have one retrieval slot, such as some food vending machines. If a customer purchases goods and the goods remain unclaimed at the retrieval slot for an extended period, the vending machine often identifies this as an abnormal state and suspends operation. In this case, staff must manually remove the unclaimed goods before the vending machine can resume normal operation, which not only increases maintenance costs but also affects the normal operation of the vending machine and the user's shopping experience. Utility Model Content

[0003] This application provides a pickup mechanism and vending machine with a caching function, which solves the problem of vending machine shutdown caused by goods being left unattended, reduces maintenance costs, and improves the user's shopping experience.

[0004] Firstly, the pickup facility with caching function provided in this application includes:

[0005] Fixed inventory items, with primary storage space;

[0006] The movable storage unit has a second receiving space and can move upward to a first position or downward to a second position relative to the fixed storage unit; when the movable storage unit is in the first position, the movable storage unit is received within the first receiving space and the second receiving space is connected to the retrieval port of the vending machine; when the movable storage unit is in the second position, the movable storage unit is located below the fixed storage unit, and the first receiving space is connected to the retrieval port;

[0007] A limiting member, capable of lateral extension and retraction, extends to confine the movable storage component in the first position to that position. When the limiting member retracts, the movable storage component in the first position moves to the second position under the influence of gravity.

[0008] The detection component is configured to trigger the retraction of the limiting component after detecting that the goods in the active storage item at the first position have been stored for a preset time.

[0009] In some embodiments, the fixed storage component further has a clearance opening communicating with the first receiving space, the clearance opening being located below the first receiving space;

[0010] The movable storage unit can move up and down through the clearance opening, and the top surface of the movable storage unit in the second position is used to support the goods stored in the first receiving space.

[0011] In some embodiments, the fixed storage component includes two vertically spaced first side plates and a first top plate connecting the upper ends of the two first side plates, the first side plates and the first top plate together forming the first receiving space;

[0012] The movable storage component includes two vertically spaced second side plates, a second top plate connecting the upper ends of the two second side plates, and a first bottom plate connecting the lower ends of the two second side plates. The second side plates, the second top plate, and the first bottom plate together enclose the second receiving space.

[0013] In some embodiments, the detection element is a through-beam photoelectric sensor, which includes a laser emitting part and a laser receiving part, wherein the laser emitting part is disposed on one of the first side plates and the laser receiving part is disposed on the other first side plate;

[0014] Two second side plates are provided with coaxially arranged laser penetration holes;

[0015] When the active storage unit in the first position is not storing the goods, the laser emitted by the laser emitting unit can pass through the laser penetration holes on the two second side plates in sequence and enter the laser receiving unit.

[0016] When the goods are stored in the active storage unit at the first position, the laser emitted by the laser emitting unit cannot reach the laser receiving unit.

[0017] In some embodiments, the picking mechanism further includes a base;

[0018] The base includes two vertically spaced third side plates, and the fixed storage component is fixed to the upper ends of the two third side plates;

[0019] The active storage component in the second position is housed between the two third side panels.

[0020] In some embodiments, the picking mechanism further includes a limiting plate, the limiting plate being fixed to the third side plate, and the limiting member being fixed to the lower end of the movable storage item;

[0021] When the active inventory item is in the first position, the extended limiting member is supported on the upper end of the limiting plate, and the retracted limiting member does not contact the limiting plate.

[0022] In some embodiments, the limiting element is an electromagnetic lock.

[0023] In some embodiments, the picking mechanism further includes a plurality of vertically extending guide rails, which are fixed to corresponding third side plates, and the guide rails of the two third side plates are symmetrically arranged.

[0024] The picking mechanism also includes a slider fixed to the lower end of the movable storage item, and the slider is slidably connected to the corresponding guide rail.

[0025] In some embodiments, the picking mechanism further includes multiple buffer frames, which are fixed to corresponding third side plates. The buffer frames of the two third side plates are symmetrically arranged, and all the buffer frames together support the movable storage item in the second position.

[0026] Secondly, the vending machine provided in this application includes a pickup mechanism with a buffer function as described in any embodiment of the first aspect.

[0027] Compared with the prior art, the beneficial effects of the embodiments of this application are as follows: The retrieval mechanism and vending machine with buffer function include a fixed storage component and a movable storage component. When no goods are stored, the movable storage component is in the first position, which is housed within the fixed storage component, resulting in a compact layout and facilitating structural miniaturization. When goods need to be dispensed, the movable storage component in the first position connects precisely with the vending machine's retrieval port for dispensing. When goods in the movable storage component are not removed and their storage time exceeds a preset duration, a detection element triggers a limit element to retract, and the movable storage component moves downward to the second position under gravity, whereby the fixed storage component connects with the vending machine's retrieval port for dispensing. This allows the vending machine to continue operating normally, reduces maintenance costs, and improves the user's shopping experience. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of a pickup mechanism with a caching function according to an embodiment of this application;

[0029] Figure 2 for Figure 1 A partial structural diagram;

[0030] Figure 3 This is a schematic diagram of the usage status of a pickup mechanism with a caching function according to an embodiment of this application, wherein the active stock item is in the first position;

[0031] Figure 4 for Figure 3 This is a schematic diagram of another perspective of the pickup mechanism;

[0032] Figure 5 This is a schematic diagram of the usage status of a pickup mechanism with a caching function according to an embodiment of this application, wherein the active stock item is in the second position;

[0033] Figure 6for Figure 5 This is a schematic diagram of another perspective of the pickup mechanism;

[0034] Figure 7 This is a schematic diagram of the vending machine structure according to an embodiment of this application;

[0035] Among them: 1-fixed storage component (11-first receiving space, 12-avoidance opening, 13-first side plate, 14-first top plate, 15-first opening, 16-second opening), 2-movable storage component (21-second receiving space, 22-top surface, 23-second side plate (231-laser penetration hole), 24-second top plate, 25-first bottom plate, 26-third opening, 27-fourth opening, 28-slider), 3-limiting component (31-locking tongue), 4-detection component (41-laser emitting part, 42-laser receiving part), 5-goods, 6-base (61-third side plate, 62-limiting plate, 63-guide rail, 64-buffer frame (641-frame body, 642-buffer pad)), 7-sales cabinet (71-dispensing port). Detailed Implementation

[0036] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of this application.

[0037] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be intermediate components present. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be intermediate components present.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0039] Please refer to Figures 1 to 6 The retrieval mechanism with buffer function in this application embodiment includes a fixed storage component 1, a movable storage component 2, a limiting component 3, and a detection component 4.

[0040] Fixed storage item 1 has a first receiving space 11, and movable storage item 2 has a second receiving space 21. Both receiving spaces are capable of accommodating goods, such as lunch boxes, medicines, beverages, etc. Movable storage item 2 can move upward relative to fixed storage item 1. Figures 1 to 4As shown in the first position, the active inventory item 2 can also be moved downwards relative to the fixed inventory item 1 to, for example... Figures 5 to 6 The second position shown.

[0041] Please refer to Figures 3 to 4 When the active storage component 2 is in the first position, the active storage component 2 is housed within the first housing space 11, and the second housing space 21 is connected to... Figure 7 The dispensing slot 71 of the vending machine 7 shown allows the goods in the active inventory 2 to be shipped out normally. Please refer to this. Figures 5 to 6 As shown, when the active storage item 2 is in the second position, the active storage item 2 is located below the fixed storage item 1. At this time, the first receiving space 11 is connected to the retrieval port 71, so that the goods in the fixed storage item 1 can be shipped out normally.

[0042] The limiting member 3 is laterally extendable, and the extended limiting member 3 is used to restrict the movable storage item 2 in the first position to the first position. The detection member 4 is configured to trigger the limiting member 3 to retract when it is detected that the storage time of the goods 5 in the movable storage item 2 in the first position exceeds a preset time. When the limiting member 3 retracts, the movable storage item 2 in the first position moves to the second position under the action of gravity (its own weight and the weight of the goods).

[0043] In this embodiment, the fixed storage component 1 is fixed inside the vending machine 7, and the movable storage component 2 is vertically movable inside the vending machine 7. When no goods are stored, the movable storage component 2 is in the first position, which is housed within the fixed storage component 1. This compact layout facilitates structural miniaturization, and the movable storage component 2 is connected to the retrieval port 71 of the vending machine 7. When a product needs to be dispensed, the product moving mechanism of the vending machine 7 can place the product 5 into the second receiving space 21 of the movable storage component 2 in the first position. The user can then retrieve the product 5 from the second receiving space 21 through the retrieval port 71, thus completing the dispensing process. When the goods 5 in the active storage unit 2 remain unretrieved for more than a preset time, the detection unit 4 triggers the retraction of the limiting unit 3. The retracted limiting unit 3 no longer restricts the active storage unit 2, and under the influence of gravity, the active storage unit 2 moves downwards to a second position to continue storing the remaining goods 5. At this time, the fixed storage unit 1 connects to the retrieval port 71 of the vending machine 7. Subsequently, when delivery is needed, the goods moving mechanism of the vending machine 7 can place the goods 5 into the first receiving space 11 of the fixed storage unit 1, and the user can retrieve the goods 5 from the first receiving space 11 through the retrieval port 71. Therefore, the retrieval mechanism in this embodiment solves the problem of vending machine pausing due to goods retention, allowing the vending machine to continue operating normally and improving the user's shopping experience. Furthermore, since the retrieval mechanism in this embodiment has a buffer function, when goods are left unattended, staff do not need to immediately rush to the scene to handle this abnormal situation. For example, they only need to handle it when patrolling to this vending machine during normal patrol duties, effectively reducing the frequency of equipment maintenance and maintenance costs. For example, when staff maintain vending machine 7, they can remove the unattended goods 5 from the second receiving space 21 and reset the movable storage item 2 to the first position. In addition, when the retrieval mechanism in this embodiment needs to handle the unattended goods 5 in the movable storage item 2, the downward movement of the movable storage item 2 is powered by gravity, eliminating the need for an additional power source and saving costs.

[0044] It should be noted that the goods moving mechanism in this application embodiment is prior art and will not be described in detail here.

[0045] In some implementation methods, please refer to Figure 2 The fixed storage component 1 also has a clearance opening 12, which connects to the first receiving space 11 and is located below the first receiving space 11. The clearance opening 12 can accommodate the movable storage component 2, allowing the movable storage component 2 to move vertically relative to the fixed storage component 1 through the clearance opening 12. When the movable storage component 2 is in the second position, its top surface 22 can be used to support the goods 5 stored in the first receiving space 11.

[0046] In this embodiment, the fixed storage component 1 is a bottomless structure with a clearance opening 12 at the lower end, while the top surface 22 of the movable storage component 2 in the second position can be used as the bottom surface of the fixed storage component 1, which simplifies the mechanical structure of the picking mechanism and reduces the manufacturing cost of the picking mechanism.

[0047] In some implementation methods, please refer to Figure 2 The fixed storage component 1 includes two first side plates 13 and a first top plate 14. The two first side plates 13 are vertically arranged and spaced apart. The first top plate 14 is arranged horizontally. One end of the first top plate 14 is connected to the upper end of one of the first side plates 13, and the other end of the first top plate 14 is connected to the upper end of the other first side plate 13. The two first side plates 13 and the first top plate 14 together form a first receiving space 11.

[0048] As an example, please refer to Figure 2 The fixed storage component 1 has three openings: a first opening 15, a second opening 16, and a clearance opening 12. The first opening 15 is located at the front end of the fixed storage component 1 and directly connects to the retrieval port 71, thus linking the first receiving space 11 and the retrieval port 71. This allows users to retrieve goods, shortens the delivery distance, improves retrieval efficiency, and reduces the risk of jamming. The second opening 16 is located at the rear end of the fixed storage component 1 and connects to the goods moving mechanism. The goods moving mechanism can place goods 5 into the first receiving space 11 through the second opening 16. The goods moving mechanism's placement and the user's retrieval are two independent paths, avoiding collision risks and improving safety.

[0049] It should be noted that in other embodiments, the fixed storage component 1 may not have a second opening 16, and the goods moving mechanism for placing goods and the user for retrieving goods share the first opening 15. Alternatively, the second opening 16 may be located in other positions of the fixed storage component 1, which can be set according to the actual situation, and will not be elaborated here.

[0050] In some implementation methods, please refer to Figure 5 and Figure 6 As shown, the movable storage component 2 includes two second side plates 23, a second top plate 24, and a first bottom plate 25. The two second side plates 23 are vertically arranged and spaced apart, while the second top plate 24 is arranged horizontally. One end of the second top plate 24 is connected to the upper end of one of the second side plates 23, and the other end of the second top plate 24 is connected to the upper end of the other second side plate 23. One end of the first bottom plate 25 is connected to the lower end of one of the second side plates 23, and the other end of the first bottom plate 25 is connected to the lower end of the other second side plate 23. The two second side plates 23, the second top plate 24, and the first bottom plate 25 together form a second receiving space 21.

[0051] As an example, please refer to Figure 1 The movable storage item 2 has two openings: a third opening 26 and a fourth opening 27. The third opening 26 is located at the front of the movable storage item 2. When the movable storage item 2 is in its first position, the third opening 26 can directly connect to the retrieval port 71, thus connecting the second receiving space 21 and the retrieval port 71, allowing users to retrieve goods, shortening the delivery distance, improving retrieval efficiency, and reducing the risk of jamming. The fourth opening 27 is located at the rear of the movable storage item 2 and connects to the goods moving mechanism. The goods moving mechanism can place goods 5 into the second receiving space 21 through the fourth opening 27. The goods moving mechanism's placement and the user's retrieval are two independent paths, avoiding the risk of collision and improving safety.

[0052] It should be noted that in other embodiments, the movable storage component 2 may not have a fourth opening 27, and the goods moving mechanism for placing goods and the user for retrieving goods share the third opening 26. Alternatively, the fourth opening 27 may be located in other positions of the movable storage component 2, which can be set according to the actual situation, and will not be elaborated here.

[0053] In some implementation methods, please refer to Figures 1 to 6 The detection element 4 is a through-beam photoelectric sensor, comprising a laser emitter 41 and a laser receiver 42. When the active storage unit 2 is empty of goods 5, the laser emitted by the laser emitter 41 can reach the laser receiver 42. When goods 5 are stored in the active storage unit 2, the laser emitted by the laser emitter 41 cannot reach the laser receiver 42. When the laser receiver 42 does not receive laser light for a preset duration, the detection element 4 triggers the limit element 3 to retract. As an example, the preset duration can be, but is not limited to, 2 minutes, 3 minutes, 4 minutes, 5 minutes, or 10 minutes, etc.

[0054] As one implementation method, please refer to Figure 5 As shown, a laser emitting unit 41 is disposed on one of the first side plates 13, and a laser receiving unit 42 is disposed on the other first side plate 13. Laser penetration holes 231 are provided on both second side plates 23, and these holes are coaxially arranged. When the movable storage unit 2 is in the first position and no goods 5 are stored inside, the laser emitted by the laser emitting unit 41 can pass through the laser penetration holes 231 on the two second side plates 23 and reach the laser receiving unit 42. When the movable storage unit 2 is in the first position and goods 5 are stored inside, the laser emitted by the laser emitting unit 41 cannot reach the laser receiving unit 42. When the laser receiving unit 42 does not receive laser light for a preset duration, the detection unit 4 triggers the limiting unit 3 to retract.

[0055] It should be noted that in other embodiments, the detection element 4 can also be other types of sensors such as pressure sensors, which can be set according to the actual situation, and will not be elaborated here.

[0056] In some implementation methods, please refer to Figures 1 to 6 The picking mechanism also includes a base 6. The base 6 includes two third side plates 61, which are vertically arranged and spaced apart, and symmetrically fixed to the lower end of the fixed storage component 1. When the movable storage component 2 is in the second position, it is housed between the two third side plates 61. In this embodiment, the base 6 can not only support the fixed storage component 1 but also house the movable storage component 2 in the second position, resulting in a compact structure.

[0057] As one implementation method, please refer to Figures 1 to 4 The base 6 also includes a limiting plate 62, which is fixed to the third side plate 61, and a limiting member 3 is fixed to the lower end of the movable storage component 2. When the movable storage component 2 is in the first position, the extended limiting member 3 is supported on the upper end of the limiting plate 62, thereby preventing the movable storage component 2 from moving downward and thus restricting it to the first position. When the retracted limiting member 3 does not contact the limiting plate 62, the movable storage component 2 moves downward to the first position under the action of gravity.

[0058] As an example, the limiting member 3 can be an electromagnetic lock, and the bolt 31 of the electromagnetic lock can extend and retract. Please refer to... Figure 3 and Figure 4 The extended latch 31 of the electromagnetic lock is supported on the upper end of the limiting plate 62. When the laser receiver 42 does not receive laser light for a period of time exceeding a preset duration, the detection element 4 triggers the latch 31 of the electromagnetic lock to retract.

[0059] As an example, please refer to Figures 1 to 4 The picking mechanism includes a limiting plate 62, which is fixed to the upper end of one of the third side plates 61. Correspondingly, a limiting member 3 is fixed to the lower end of the movable storage component 2, which not only has a simple structure but also effectively restricts the movable storage component 2 to the first position.

[0060] It should be noted that in other embodiments, the picking mechanism may also include other numbers of limiting plates 62. For example, the picking mechanism includes two limiting plates 62, with one limiting plate 62 fixed to the upper end of each third side plate 61. The limiting plates 62 on the two third side plates 61 are symmetrically arranged. Correspondingly, two limiting members 3 are fixed to the lower end of the movable storage item 2, and the two limiting members 3 correspond to the two limiting plates 62 one-to-one. Alternatively, in other embodiments, each limiting plate 62 is correspondingly arranged with two limiting members 3. Alternatively, in other embodiments, the limiting plates 62 are located at the lower end of the movable storage item 2, and the limiting members 3 are fixed to the third side plate 61. Alternatively, in other embodiments, other structures may be provided to cooperate with the limiting members 3 to restrict the movable storage item 2 to the first position. Alternatively, in other embodiments, the limiting members 3 may be other structures, which can be set according to the actual situation, and will not be elaborated here.

[0061] In some implementation methods, please refer to Figures 1 to 6 The base 6 also includes multiple vertically extending guide rails 63, with one or more guide rails 63 provided on each third side plate 61, and the guide rails 63 on the two third side plates 61 are symmetrically arranged. Correspondingly, the movable storage component 2 also includes multiple sliders 28, which are fixed to the lower end of the first base plate 25 and slidably connected to the corresponding guide rails 63, thereby allowing the movable storage component 2 to move up and down more smoothly and effectively restricting the movement path of the movable storage component 2.

[0062] As one implementation method, please refer to Figures 1 to 6 The picking mechanism may include two guide rails 63, with one guide rail 63 fixed on each third side plate 61, and the guide rails 63 on the two third side plates 61 are symmetrically arranged. Correspondingly, the picking mechanism also includes two sliders 28, which are symmetrically fixed to the lower end of the first base plate 25. The two sliders 28 are arranged one-to-one with the two guide rails 63, which can not only effectively restrict the movement path of the moving stored items, but also has a simple structure.

[0063] In some implementation methods, please refer to Figures 1 to 6 The base 6 also includes multiple buffer frames 64. Each third side plate 61 is provided with one or more buffer frames 64. The buffer frames 64 of the two third side plates 61 are symmetrically arranged. When the movable storage part 2 moves down to the second position, all the buffer frames 64 support the movable storage part 2 together. This not only effectively restricts the movable storage part 2 to the second position, but also plays a certain buffering role, absorbing the kinetic energy of the movable storage part 2 when it descends, reducing the impact force when the movable storage part 2 hits the bottom, and avoiding damage and noise caused by rigid collision.

[0064] As one implementation method, please refer to Figures 1 to 6The picking mechanism includes two buffer frames 64, with one buffer frame 64 provided on each third side plate 61.

[0065] It should be noted that in other embodiments, the picking mechanism may include a different number of buffer racks 64. For example, the picking mechanism includes four buffer racks 64. Two buffer racks 64 are provided on each third side plate 61, and the two buffer racks 64 are symmetrically arranged on the front and rear sides of the guide rail 63.

[0066] As one implementation method, please refer to Figure 1 and Figure 3 The buffer frame 64 may include a frame body 641 and a buffer pad 642. The frame body 641 is fixed to the third side plate 61 and is disposed near the lower end of the third side plate 61. The buffer pad 642 is fixed to the frame body 641. When the movable storage component 2 is in the second position, the movable storage component 2 is supported on the buffer pad 642.

[0067] In some implementations, the movable storage component 2 can be manually lifted to the first position by maintenance personnel, and the movable storage component 2 can be restricted to the first position by the extended limiting component 3.

[0068] In other embodiments, a mechanical reset can be used to move the movable storage component 2 upward to the first position. As an example, the picking mechanism may also include a lifting cylinder; when the piston rod of the lifting cylinder extends, the piston rod can push the movable storage component 2 upward to the first position. Alternatively, other mechanisms can be used to drive the movable storage component 2 upward to the first position, which can be configured according to actual conditions and will not be elaborated here.

[0069] The vending machine 7 in this application embodiment includes the pickup mechanism with buffer function provided in any of the above embodiments.

[0070] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0071] The above embodiments merely illustrate preferred implementations of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the scope of protection of this patent application should be determined by the appended claims.

Claims

1. A take-out mechanism having a cache function, characterized by, The application relates to a merchandise display device, comprising: a fixed storage part having a first storage space; a movable storage part having a second storage space, which can move upward to a first position or downward to a second position relative to the fixed storage part; when the movable storage part is in the first position, the movable storage part is accommodated in the first storage space and the second storage space is communicated with a merchandise taking opening of a merchandise display cabinet; when the movable storage part is in the second position, the movable storage part is located below the fixed storage part, and the first storage space is communicated with the merchandise taking opening; a limiting part which can be extended and retracted transversely, and the extended limiting part is used for limiting the movable storage part in the first position; when the limiting part is retracted, the movable storage part in the first position moves to the second position under the action of gravity; and a detection part which is configured to trigger the retraction of the limiting part when the detection part detects that the goods in the movable storage part in the first position are stored for more than a preset time.

2. The article retrieval mechanism of claim 1, wherein, The fixed storage part further has an avoiding opening which is communicated with the first storage space and is located below the first storage space; The movable storage part can move up and down through the avoiding opening, and the top surface of the movable storage part in the second position is used for supporting the goods stored in the first storage space.

3. The article retrieval mechanism of claim 1, wherein, The fixed storage part comprises two vertically and spaced first side plates and a first top plate connected to the upper ends of the two first side plates, and the first side plates and the first top plate jointly form the first storage space. The movable storage part comprises two vertically and spaced second side plates, a second top plate connected to the upper ends of the two second side plates, and a first bottom plate connected to the lower ends of the two second side plates, and the second side plates, the second top plate and the first bottom plate jointly form the second storage space.

4. The article retrieval mechanism of claim 3, wherein, The detection part is a light barrier photoelectric sensor, and the detection part comprises a laser emitting part and a laser receiving part, the laser emitting part is arranged on one of the first side plates, and the laser receiving part is arranged on the other first side plate. Coaxial laser transmission holes are arranged on the two second side plates. When the goods are not stored in the movable storage part in the first position, the laser emitted by the laser emitting part can pass through the laser transmission holes on the two second side plates in sequence and enter the laser receiving part. When the goods are stored in the movable storage part in the first position, the laser emitted by the laser emitting part cannot enter the laser receiving part.

5. A goods retrieval mechanism as claimed in any one of claims 1 to 4, wherein, The merchandise display device further comprises a base; The base comprises two vertically and spaced third side plates, and the fixed storage part is fixed to the upper ends of the two third side plates; The movable storage part in the second position is accommodated between the two third side plates.

6. The article retrieval mechanism of claim 5, wherein, The merchandise display device further comprises a limiting clamping plate, the limiting clamping plate is fixed to the third side plates, and the limiting part is fixed to the lower end of the movable storage part; When the movable storage part is in the first position, the extended limiting part is supported on the upper end of the limiting clamping plate, and the retracted limiting part does not contact the limiting clamping plate.

7. The article retrieval mechanism of claim 6, wherein, The limiting part is an electromagnetic lock.

8. The article retrieval mechanism of claim 5, wherein, The goods taking mechanism further comprises a plurality of vertically extending guide rails fixed to corresponding third side plates, the guide rails of two of the third side plates being symmetrically arranged; The goods taking mechanism further comprises a sliding block fixed to a lower end of the movable storage member, the sliding block being slidingly connected to the corresponding guide rail.

9. The article retrieval mechanism of claim 5, wherein, The goods taking mechanism further comprises a plurality of buffer frames fixed to corresponding third side plates, the buffer frames of two of the third side plates being symmetrically arranged, all the buffer frames collectively supporting the movable storage member in the second position.

10. A merchandising cabinet, characterized by, The goods taking mechanism with the buffering function as claimed in any one of claims 1 to 9. The goods taking mechanism with the buffering function as claimed in any one of claims 1 to 9.

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