Stacking machine and warehousing system

Abstract

Provided in the embodiments of the present application are a stacking machine and a warehousing system. The stacking machine comprises a frame assembly, a goods-bearing platform and a movement assembly, wherein the goods-bearing platform is movably arranged in the frame assembly; the movement assembly comprises a bracket, a movable plate and a driving member, the bracket being arranged on the goods-bearing platform, and the movable plate being movably connected to the bracket by means of the driving member; a door linkage structure is provided on the movable plate; and the driving member drives the movable plate to move. The convenience of opening and closing a door by means of the movable plate is improved, and the efficiency of structural matching between the stacking machine and an apparatus is ensured.

Description

Stacker cranes and storage systems

[0001] This disclosure claims priority to Chinese patent applications filed with the China Patent Office on September 27, 2023, with application numbers 202311262420.2 and 202322637757.9, and entitled “Stacker and Warehousing System,” the entire contents of which are incorporated herein by reference. Technical Field

[0002] The present application belongs to the technical field of mobile structures, and specifically relates to a stacker and a storage system. Background Art

[0003] During the production and circulation of some products, the products need to be stored in equipment with doors to ensure the sealing of the products.

[0004] In the prior art, a power device is usually added to the equipment to open and close the door. When the door is open, a stacker can be used to move the products inside the equipment. However, the installation of a power device not only takes up a lot of space, but also increases the complexity of opening and closing the door.

[0005] Therefore, how to improve the efficiency of the coordination between stacker crane and equipment structure is an urgent problem to be solved.

[0006] Summary of the Invention

[0007] One purpose of the embodiments of the present application is to provide a new technical solution for a stacker and a storage system.

[0008] According to a first aspect of an embodiment of the present application, a stacker is provided, comprising:

[0009] Framework components;

[0010] a cargo platform movably disposed in the frame assembly;

[0011] A moving assembly, comprising a bracket, a movable plate and a driving member, wherein the bracket is disposed on the cargo platform, and the movable plate is movably connected to the bracket via the driving member;

[0012] The movable plate is provided with a door structure, and the driving member drives the movable plate to move.

[0013] Optionally, the driving member includes a first driving member and a connecting member, the first driving member is provided on the bracket, and an output end of the first driving member is connected to the movable plate through the connecting member;

[0014] The first driving member can drive the connecting member and the movable plate to move together along a first direction.

[0015] Optionally, a first slide rail is provided on the bracket, and a first slider is provided on the connecting member, and the first slider is slidably engaged with the first slide rail;

[0016] Alternatively, a first slider is provided on the bracket, a first slide rail is provided on the connecting member, and the first slider is slidably matched with the first slide rail.

[0017] Optionally, the driving member includes a second driving member, the second driving member is provided on the connecting member, and an output end of the second driving member is connected to the movable plate;

[0018] The second driving member can drive the movable plate to move along a second direction, and the second direction is perpendicular to the first direction.

[0019] Optionally, a second slider is provided on the connecting member, a second slide rail is provided on the movable plate, and the second slide rail is slidably engaged with the second slider;

[0020] Alternatively, a second slide rail is provided on the connecting member, a second slider is provided on the movable plate, and the second slide rail and the second slider are slidably engaged with each other.

[0021] Optionally, two distance measuring sensors are provided on the movable plate, and the two distance measuring sensors are arranged opposite to each other.

[0022] Optionally, the door connecting structure includes a hook, the door connecting structure also includes a guide shaft and an elastic member, and the movable plate has a guide hole;

[0023] The guide shaft is movably arranged in the guide hole, the hook is connected to the guide shaft, and the elastic member is abutted between the movable plate and the hook.

[0024] Optionally, the door connecting structure further comprises an anti-drop cap, and the circumferential dimensions of the anti-drop cap and the hook are larger than the aperture of the guide hole;

[0025] The hook is connected to the first end of the guide shaft, the anti-dropping cap is connected to the second end of the guide shaft, and the hook and the anti-dropping cap are respectively located on both sides of the movable plate.

[0026] Optionally, the door connecting structure includes a pressing block, and the driving member includes a third driving member, and the third driving member can drive the pressing block to move toward the hook.

[0027] According to a second aspect of an embodiment of the present application, there is provided a warehousing system, comprising a device and the stacker according to the first aspect;

[0028] The device comprises a door body, and the door connecting structure can be connected to the door body and can be switched between an open position and a closed position.

[0029] One of the technical effects of this application is:

[0030] An embodiment of the present application provides a stacker, which includes a frame assembly; a cargo platform, which is movably arranged in the frame assembly; a movable assembly, which includes a bracket, a movable plate and a driving member, the bracket is arranged on the cargo platform, and the movable plate is movably connected to the bracket through the driving member; a connecting door structure is provided on the movable plate, and the driving member drives the movable plate to move so that the connecting door structure switches between an open position and a closed position, thereby improving the convenience of opening and closing the door of the movable plate and ensuring the efficiency of the structural coordination between the stacker and the equipment.

[0031] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0033] FIG1 is an overall schematic diagram of a stacker provided in an embodiment of the present application;

[0034] FIG2 is a schematic diagram of a bracket of a stacker provided in an embodiment of the present application;

[0035] FIG3 is a partial schematic diagram of a stacker provided in an embodiment of the present application;

[0036] FIG4 is a cross-sectional view taken along plane AA in FIG3 ;

[0037] FIG5 is a top view of a bracket of a stacker provided in an embodiment of the present application;

[0038] FIG6 is a first schematic diagram of a driving component of a stacker provided in an embodiment of the present application;

[0039] FIG7 is a schematic diagram of a movable plate of a stacker provided in an embodiment of the present application;

[0040] FIG8 is a cross-sectional view taken along the BB plane in FIG7 ;

[0041] FIG9 is a partial enlarged view of FIG8;

[0042] FIG10 is a second schematic diagram of a driving component of a stacker provided in an embodiment of the present application;

[0043] FIG11 is a schematic diagram of the cooperation between a movable plate and a driving member of a stacker provided in an embodiment of the present application;

[0044] FIG12 is a side view of a moving assembly of a stacker provided in an embodiment of the present application;

[0045] FIG13 is a front view of a moving assembly of a stacker provided in an embodiment of the present application;

[0046] FIG14 is a cross-sectional view taken along the CC plane in FIG13 ;

[0047] FIG15 is a third schematic diagram of a driving component of a stacker provided in an embodiment of the present application;

[0048] FIG16 is a fourth schematic diagram of a driving component of a stacker provided in an embodiment of the present application;

[0049] FIG17 is a schematic diagram of a connecting member of a stacker provided in an embodiment of the present application;

[0050] FIG18 is a second schematic diagram of a movable plate of a stacker provided in an embodiment of the present application;

[0051] FIG19 is a cross-sectional view of a movable plate of a stacker provided in an embodiment of the present application;

[0052] FIG20 is a front view of the connection between the movable plate and the door body of a stacker provided in an embodiment of the present application;

[0053] FIG21 is a top view of the connection between the movable plate and the door body of a stacker provided in an embodiment of the present application;

[0054] FIG22 is a schematic diagram of a door body.

[0055] Description of reference numerals:

[0056] 1. Frame assembly; 2. Cargo platform; 3. Moving assembly; 31. Bracket; 311. First slide rail; 32. Movable plate; 321. Second slide rail; 322. Distance sensor; 33. Driving member; 331. First driving member; 332. Connecting member; 3321. First slider; 3322. Second slider; 333. Second driving member; 334. Third driving member; 34. Door connecting structure; 341. Hook; 342. Guide shaft; 343. Elastic member; 344. Anti-drop cap; 345. Pressing block; 4. Cargo platform lifting mechanism; 5. Pulley assembly; 6. Traveling mechanism;

[0057] 101. Door body; 102. Connecting shaft. DETAILED DESCRIPTION

[0058] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application.

[0059] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be understood as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0060] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly refer to one or more of the features. Throughout the description of this application, unless otherwise specified, "plurality" means two or more. Furthermore, "and / or" in the specification and claims refers to at least one of the connected entities, and the character " / " generally indicates an "or" relationship between the connected entities.

[0061] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 understood as a limitation on the present application.

[0062] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0063] It should be noted that like reference numerals and letters refer to like items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0064] 1 to 22 , an embodiment of the present application provides a stacker, the stacker comprising:

[0065] Frame assembly 1;

[0066] The cargo platform 2 is movably arranged in the frame assembly 1;

[0067] The movable assembly 3 includes a bracket 31, a movable plate 32 and a driving member 33. The bracket 31 is arranged on the cargo platform 2, and the movable plate 32 is movably connected to the bracket 31 through the driving member 33;

[0068] A door connecting structure 34 is provided on the movable plate 32 , and the driving member 33 drives the movable plate 32 to move so that the door connecting structure 34 switches between an open position and a closed position.

[0069] Specifically, the driving member 33 drives the movable plate 32 to move until the door structure 34 is connected to the door body 101 on the device, and the movable plate 32 and the door body 101 can move together to switch the door body 101 between the open position and the closed position. For example, when the door structure 34 is in the open position, the movable plate 32 and the door body 101 move together and can drive the door body 101 to open, so that the door body 101 is in the open position; and when the door structure 34 is in the closed position, the movable plate 32 and the door body 101 move together and can drive the door body 101 to close, so that the door body 101 is in the closed position.

[0070] Specifically, the device with the door body 101 can be used to store products such as batteries or circuit boards. For example, the device is a shelf for storing batteries or circuit boards. On the basis of facilitating product storage, the door body 101 closes the space inside the device to ensure the sealing of the products during storage.

[0071] In one embodiment, the bracket 31 is used to store batteries, and the batteries can be transferred by moving the moving component 3 on the cargo platform 2; and the movable plate 32 is movably connected to the bracket 31 through the driving member 33, which can achieve the closure of the bracket 31.

[0072] Specifically, referring to Figure 1, the stacker includes a cargo platform lifting mechanism 4, a pulley assembly 5 and a walking mechanism 6. The cargo platform lifting mechanism 4 and the walking mechanism 6 are installed on the frame assembly 1, and the mobile assembly 3 is installed on the cargo platform 2. The cargo platform 2 is connected to the cargo platform lifting mechanism 4 through a rope via the pulley assembly 5. The cargo platform lifting mechanism 4 can flexibly control the lifting and lowering of the cargo platform 2 and the mobile assembly 3, and the walking mechanism 6 can drive the entire frame assembly 1 to move, thereby realizing the movement of the cargo platform 2 and the mobile assembly 3.

[0073] When the driving member 33 drives the movable plate 32 to move, the movable plate 32 can move to the position where the door structure 34 is connected to the door body 101 on the equipment. At the same time, the cargo platform lifting mechanism 4 and the walking mechanism 6 can drive the movable plate 32 and the door body 101 to move together, so that the door body 101 can switch between the open position and the closed position, avoiding the need to set a door opening and closing structure on the equipment, improving the convenience of opening and closing the door of the movable plate, and ensuring the efficiency of the structural coordination between the stacker and the equipment.

[0074] Optionally, referring to FIG. 12 to FIG. 14 , the driving member 33 includes a first driving member 331 and a connecting member 332 . The first driving member 331 is disposed on the bracket 31 , and an output end of the first driving member 331 is connected to the movable plate 32 via the connecting member 332 .

[0075] The first driving member 331 can drive the connecting member 332 and the movable plate 32 to move along the first direction.

[0076] Specifically, the first direction can be the Z direction in Figure 12 (including the +Z direction and the -Z direction). When the door structure 34 needs to move along the first direction before it can be connected to the door body 101 on the device, the first driving member 331 can be used to drive the connecting member 332 and the movable plate 32 to move along the first direction together. For example, the first driving member 331 of the motor or cylinder structure can be used to drive the movable plate 32 to move along the first direction, so that the movable plate 32 can drive the door structure 34 to connect with the door body 101 on the device, thereby facilitating the opening and closing of the door body 101.

[0077] Optionally, referring to FIG. 14 , a first slide rail 311 is provided on the bracket 31 , and a first slider 3321 is provided on the connecting member 332 . The first slider 3321 is slidably engaged with the first slide rail 311 .

[0078] Specifically, when the output end of the first driving member 331 is connected to the movable plate 32 through the connecting member 332 , the connection between the connecting member 332 and the movable plate 32 may be a direct connection or an indirect connection.

[0079] When the first driving member 331 drives the connecting member 332 to move along the first direction, since the first slider 3321 slides in cooperation with the first slide rail 311, that is, the first slide rail 311 can provide guidance for the movement of the connecting member 332, thereby ensuring the position accuracy of the connecting member 332 and the movable plate 32 when they move together.

[0080] In another embodiment, a first slider 3321 is provided on the bracket 31, and a first slide rail 311 is provided on the connecting member 332. The first slider 3321 slides with the first slide rail 311. The sliding direction of the first slide rail 311 can also be guided by the first slider 3321 to ensure the consistency of the moving directions of the connecting member 332 and the movable plate 32.

[0081] Optionally, referring to FIG. 10 to FIG. 12 , the driving member 33 includes a second driving member 333 , the second driving member 333 is disposed on the connecting member 332 , and an output end of the second driving member 333 is connected to the movable plate 32 ;

[0082] The second driving member 333 can drive the movable plate 32 to move along a second direction, which is perpendicular to the first direction.

[0083] Specifically, the second direction can be the X direction in Figure 12 (including the +X direction and the -X direction). When the door structure 34 needs to move along the second direction before it can be connected to the door body 101 on the device, the second driving member 333 can directly drive the movable plate 32 to move along the second direction. For example, the second driving member 333 of the motor or cylinder structure can drive the movable plate 32 to move along the second direction, so that the movable plate 32 drives the door structure 34 to connect with the door body 101 on the device, thereby facilitating the opening and closing of the door body 101.

[0084] Furthermore, the second driving member 333 realizes an indirect connection between the connecting member 332 and the movable plate 32, and the movable plate 32 can move along the second direction relative to the connecting member 332. Through the cooperation of the first driving member 331 and the second driving member 333, the movable plate 32 can be flexibly moved in the first direction and the second direction.

[0085] Optionally, referring to FIG. 11 , a second slider 3322 is provided on the connecting member 332 , and a second slide rail 321 is provided on the movable plate 32 . The second slide rail 321 is slidably engaged with the second slider 3322 .

[0086] When the second driving member 333 drives the movable plate 32 to move along the second direction, the second slide rail 321 and the second slider 3322 slide together, that is, the second slider 3322 can provide guidance for the movement of the second slide rail 321, thereby ensuring the position accuracy of the movable plate 32 when moving.

[0087] In another embodiment, a second slide rail 321 is provided on the connecting member 332, and a second slider 3322 is provided on the movable plate 32. The second slide rail 321 and the second slider 3322 are slidably matched. The sliding direction of the second slider 3322 can also be guided by the second slide rail 321 to ensure the direction of movement of the movable plate 32.

[0088] Optionally, referring to FIG. 7 , two distance measuring sensors 322 are provided on the movable plate 32 . The two distance measuring sensors 322 are arranged opposite to each other. The two distance measuring sensors 322 can be used to measure the horizontal degree of the door opening object of the movable plate 32 .

[0089] Specifically, the ranging sensor 322 can be a photoelectric sensor. When the door body 101 connected to the movable plate 32 is skewed relative to the horizontal direction, the photoelectric signal intensity detected by the two photoelectric sensors will change, and correspondingly, the horizontality of the door body 101 will also change; for example, when the photoelectric signal intensity detected by the two photoelectric sensors increases, the horizontality of the door body 101 decreases, that is, the skewness of the door body 101 increases, so that the horizontality of the door body 101 in the opening object of the movable plate 32 can be measured by the change in the photoelectric signal intensity detected by the two photoelectric sensors.

[0090] Optionally, referring to FIG8 and FIG9 , the door connecting structure 34 includes a hook 341 , which can be switched between an open position and a closed position; for example, the hook 341 can be engaged with the connecting shaft 102 on the door body 101 in the open position and the closed position.

[0091] Specifically, four groups of hooks can be provided on the movable plate 32, and the four groups of hooks are arranged horizontally in pairs. After two hooks are respectively hooked on the two connecting shafts of the door body 101, the movable plate 32 is driven to move in conjunction with the cargo platform lifting mechanism 4 and the walking mechanism 6 to open or close the door body 101, as shown in Figures 20 to 22.

[0092] Furthermore, two hooks among the four groups of hooks can form a bottom hook group, and the other two hooks can form a top hook group. If the top hook group among the bottom hook group and the top hook group is close to the connecting axis of the door body 101, the top hook group on the door structure 34 is driven by the driving member 33 to connect with the door body 101 on the equipment, so as to shorten the moving distance of the movable plate 32 and improve the efficiency of the stacker in opening and closing the door body 101.

[0093] In another embodiment, the door connecting structure 34 includes a clamp, and the door connecting structure 34 can also be connected to the door body 101 on the device by clamping the connecting shaft on the door body, so that the door body 101 can be switched between the open position and the closed position.

[0094] Optionally, referring to FIG9 , the door structure 34 further includes a guide shaft 342 and an elastic member 343 , and the movable plate 32 has a guide hole;

[0095] The guide shaft 342 is movably disposed in the guide hole. The hook 341 is connected to the guide shaft 342 . The elastic member 343 abuts between the movable plate 32 and the hook 341 .

[0096] Specifically, when the door structure 34 is connected to the door body 101 on the equipment, a movable gap can be formed between the movable plate 32 and the hook 341; in the case where the hook 341 hits the door body 101 due to position deviation, the guide shaft 342 and the hook 341 can retreat together under the action of the impact force, avoiding a hard collision between the hook 341 and the door body 101, protecting the structural integrity of the hook 341 and the door body 101, and at the same time the elastic part 343 of the spring or plastic elastomer structure is compressed.

[0097] After the hook 341 is out of contact with the door body 101 , the elastic member 343 can restore the hook 341 while recovering its deformation, so as to facilitate the reconnection of the hook 341 with the door body 101 .

[0098] Optionally, referring to FIG9 , the door structure 34 further includes an anti-drop cap 344 , and the circumferential dimensions of the anti-drop cap 344 and the hook 341 are larger than the diameter of the guide hole;

[0099] The hook 341 is connected to a first end of the guide shaft 342 , the anti-dropping cap 344 is connected to a second end of the guide shaft 342 , and the hook 341 and the anti-dropping cap 344 are respectively located on both sides of the movable plate 32 .

[0100] Specifically, when the hook 341 and the anti-drop cap 344 are connected to both ends of the guide shaft 342 , a stable connection between the door structure 34 and the movable plate 32 can be achieved, preventing the guide shaft and the hook 341 from falling off the movable plate 32 .

[0101] Optionally, referring to FIG. 18 and FIG. 19 , the door connecting structure 34 includes a pressing block 345 , and the driving member 33 includes a third driving member 334 . The third driving member 334 can drive the pressing block 345 to move toward the direction close to the hook 341 .

[0102] Specifically, the third driving member 334 of the motor or cylinder structure can drive the pressure block to rise and fall in the direction close to or away from the hook 341 through the synchronous belt, so as to clamp and fix the connecting shaft 102 on the door body 101 between the hook 341 and the pressure block 345, so that the hook 341 and the pressure block 345 form a surrounding structure for the connecting shaft 102 on the door body, ensuring that the hook 341 can smoothly hook the connecting shaft 102 on the door body 101; at the same time, the movement of the synchronous belt can provide guidance through the cooperation of the linear rail and the slider, ensuring the accuracy of the lifting and positioning of the pressure block 345.

[0103] In one embodiment, the door connecting structure 34 includes two pressing blocks 345, and the two pressing blocks 345 are respectively opposite to two hooks 341 arranged horizontally in pairs, so as to clamp and fix the two connecting shafts 102 on the door body 101 between the corresponding hooks 341 and the pressing blocks 345, thereby improving the stability of the connection between the door connecting structure 34 and the door body 101 on the equipment.

[0104] The embodiment of the present application also provides a warehousing system, including the equipment and the stacker;

[0105] The device includes a door body 101, the door connecting structure 34 can be connected to the door body 101, and the door connecting structure 34 can be switched between an open position and a closed position.

[0106] Specifically, in the stacker of the storage system, when the driving member 33 drives the movable plate 32 to move, the movable plate 32 can move to the position where the door structure 34 is connected to the door body 101 on the equipment. At the same time, the cargo platform lifting mechanism 4 and the walking mechanism 6 can drive the movable plate 32 and the door body 101 to move together, so that the door body 101 can switch between the open position and the closed position, avoiding the need to set a switch door structure on the equipment, improving the convenience of opening and closing the door body 101, and ensuring the efficiency of the structural coordination between the stacker and the equipment.

[0107] Although some specific embodiments of the present application have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A stacker, characterized in that: include: Frame assembly (1); A cargo platform (2), the cargo platform (2) being movably arranged in the frame assembly (1); A moving assembly (3), the moving assembly (3) comprising a bracket (31), a movable plate (32) and a driving member (33), the bracket (31) being arranged on the cargo platform (2), and the movable plate (32) being movably connected to the bracket (31) via the driving member (33); The movable plate (32) is provided with a door connecting structure (34), and the driving member (33) drives the movable plate (32) to move.

2. The stacker according to claim 1, characterized in that: The driving member (33) comprises a first driving member (331) and a connecting member (332); the first driving member (331) is arranged on the bracket (31); and an output end of the first driving member (331) is connected to the movable plate (32) via the connecting member (332); The first driving member (331) can drive the connecting member (332) and the movable plate (32) to move together along a first direction.

3. The stacker according to claim 2, characterized in that: The bracket (31) is provided with a first slide rail (311), the connecting member (332) is provided with a first slider (3321), and the first slider (3321) is slidably matched with the first slide rail (311); Alternatively, the bracket (31) is provided with a first sliding block (3321), the connecting member (332) is provided with a first sliding rail (311), and the first sliding block (3321) is slidably matched with the first sliding rail (311).

4. The stacker according to claim 2, characterized in that: The driving member (33) comprises a second driving member (333), the second driving member (333) is arranged on the connecting member (332), and an output end of the second driving member (333) is connected to the movable plate (32); The second driving member (333) can drive the movable plate (32) to move along a second direction, and the second direction is perpendicular to the first direction.

5. The stacker according to claim 4, characterized in that: The connecting member (332) is provided with a second sliding block (3322), the movable plate (32) is provided with a second sliding rail (321), and the second sliding rail (321) and the second sliding block (3322) are slidably matched; Alternatively, the connecting member (332) is provided with a second slide rail (321), the movable plate (32) is provided with a second slider (3322), and the second slide rail (321) and the second slider (3322) are slidably matched.

6. The stacker according to claim 1, characterized in that: Two distance measuring sensors (322) are arranged on the movable plate (32), and the two distance measuring sensors (322) are arranged opposite to each other.

7. The stacker according to claim 1, characterized in that: The door connecting structure (34) comprises a hook (341), the door connecting structure (34) further comprises a guide shaft (342) and an elastic member (343), and the movable plate (32) has a guide hole; The guide shaft (342) is movably disposed in the guide hole, the hook (341) is connected to the guide shaft (342), and the elastic member (343) is abutted between the movable plate (32) and the hook (341).

8. The stacker according to claim 7, characterized in that: The door connecting structure (34) further comprises an anti-dropping cap (344), wherein the circumferential dimensions of the anti-dropping cap (344) and the hook (341) are larger than the diameter of the guide hole; The hook (341) is connected to the first end of the guide shaft (342), the anti-drop cap (344) is connected to the second end of the guide shaft (342), and the hook (341) and the anti-drop cap (344) are respectively located on both sides of the movable plate (32).

9. The stacker according to claim 7, characterized in that: The door connecting structure (34) includes a pressing block (345), and the driving member (33) includes a third driving member (334). The third driving member (334) can drive the pressing block (345) to move in a direction close to the hook (341).

10. A storage system, characterized in that: Comprising a device and a stacker according to any one of claims 1 to 9; The device comprises a door body (101), the door connecting structure (34) can be connected to the door body (101), and the door connecting structure (34) can be switched between an open door position and a closed door position.

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