Lifting device and sorting equipment

Abstract

The utility model discloses a lifting device and sorting equipment, the lifting device comprises a supporting assembly and a lifting assembly, the supporting assembly comprises a main supporting body and at least one butt joint piece, the butt joint piece is used for being detachably connected with a goods shelf, the position of the butt joint piece in the height direction of the main supporting body is adjustable, and the lifting assembly is arranged on the main supporting body. The lifting assembly comprises a conveying unit and a lifting driving unit, the conveying unit is slidably arranged on the main supporting body in the height direction of the main supporting body, the conveying direction of the conveying unit intersects with the height direction of the main supporting body, and the input end of the conveying unit is used for being in butt joint with the output end of a bag supply machine. The lifting driving unit drives the conveying unit to ascend and descend along the main supporting body so that the output end of the conveying unit can be in butt joint with the storage layers, with different heights, of the goods shelf. The utility model has a simple structure and is convenient to assemble.

Description

Technical Field

[0001] This utility model relates to the field of warehousing technology, specifically to lifting devices and sorting equipment. Background Technology

[0002] In the field of warehousing technology, multi-level shelving is commonly used to store goods in order to make full use of warehouse space and improve storage capacity. In actual use, lifting devices are often used to place goods on each level of the shelving.

[0003] In existing technologies, lifting devices are generally independent of the shelves, which takes up a lot of space and have poor integration with the shelves, making them very inconvenient during production, assembly, and use. Utility Model Content

[0004] This utility model aims to solve one of the technical problems in related technologies to a certain extent. To this end, this utility model provides a lifting device and sorting equipment that occupies little space and is easy to assemble.

[0005] To achieve the above objectives, a first aspect of this utility model discloses a lifting device, which includes a support assembly and a lifting assembly. The support assembly includes a main support body and at least one docking member, which is detachably connected to a shelf. The position of the docking member along the height direction of the main support body is adjustable. The lifting assembly includes a conveying unit and a lifting drive unit. The conveying unit is slidably disposed on the main support body along the height direction of the main support body. The conveying direction of the conveying unit intersects with the height direction of the main support body. The input end of the conveying unit is used to dock with the output end of a packaging machine. The lifting drive unit drives the conveying unit to move up and down along the main support body so that the output end of the conveying unit can dock with storage layers of different heights on the shelf.

[0006] In this technical solution, a connecting component is provided to facilitate the connection between the lifting device and the shelf. During use, the lifting device can be connected to the shelf, improving the integration between the lifting device and the shelf. This reduces the area occupied by independently installed lifting devices and enhances the overall structural stability and operational safety, reducing safety hazards. Furthermore, the height of the connecting component on the main support is adjustable, facilitating matching with different height connection points on the shelf and improving assembly convenience. In addition, by setting up a lifting assembly, during use, a fixed-height packaging machine and storage layers of different heights can be connected via the lifting assembly, facilitating the transfer of materials.

[0007] Furthermore, a first groove is formed on the main support body along its height direction. The docking component includes a first connecting portion and a second connecting portion. The first connecting portion is inserted into the first groove and can slide within it. The second connecting portion is connected to the first connecting portion and is located outside the first groove. A docking hole is formed on the second connecting portion for connecting to the shelf via bolts. The docking component is not connected to the main support body, simplifying the overall structure and facilitating the adjustment of its position on the main support body.

[0008] Furthermore, a groove is formed on the inner wall of the first slot, and the first connecting part includes a first connecting block and a first protrusion. The first protrusion protrudes from the surface of the first connecting block and is engaged in the groove. This improves the stability of the mating part's engagement with the main support body.

[0009] Furthermore, the second connecting portion includes a second connecting block and a second protrusion. The second connecting block includes a mating surface and a mating back surface opposite to the mating surface. The mating hole penetrates through the mating surface and the mating back surface. The second protrusion protrudes from the mating surface and abuts against the shelf, creating a gap between the mating surface and the shelf. This improves the reliability of the connection during assembly.

[0010] Furthermore, the lifting device includes multiple docking members, with each pair of docking members forming a docking unit. Two docking members in each docking unit are positioned on opposite sides of the main support body at the same height. The lifting device includes multiple sets of docking units, which are spaced apart along the height direction of the main support body. This improves the stability of the connection between the lifting device and the rack.

[0011] Furthermore, the lifting device also includes a detection component, which comprises a photoelectric baffle and two photoelectric sensors. The two photoelectric sensors are spaced apart along the height direction of the main support and correspond to the upper and lower limits of the conveying unit. Each photoelectric sensor includes a light-emitting surface and a light-receiving surface arranged opposite each other. When the light path of a photoelectric sensor is blocked, the photoelectric sensor can generate a positioning signal. The photoelectric baffle is disposed on the lifting slider of the lifting component. When the lifting drive unit drives the conveying unit to move to the upper and lower limits, the photoelectric baffle inserts between the light-emitting surface and the light-receiving surface of the corresponding photoelectric sensor. This facilitates timely monitoring of the conveying unit's position, avoids over-positioning, and improves safety.

[0012] Furthermore, a second slot is formed on the main support body along the height direction of the main support body. The photoelectric sensor includes a sensing bracket and a sensor body. One end of the sensing bracket is inserted into the second slot, and the sensor body is located outside the second slot, including a light emitting surface and a light receiving surface. The photoelectric sensor can slide within the second slot along the height direction of the main support body, facilitating the installation and position adjustment of the photoelectric sensor.

[0013] Furthermore, the lifting assembly also includes a lifting bracket, a lifting guide rail, a lifting slider, a conveying drive unit, a conveying baffle, and a cable chain. The lifting guide rail is arranged along the height direction of the main support body. The lifting slider is slidably arranged on the lifting guide rail. The lifting bracket is connected to the lifting slider. The conveying unit is arranged on the lifting bracket, and the conveying direction of the conveying unit is orthogonal to the height direction of the main support body. The conveying drive unit of the lifting assembly is arranged on the lifting bracket. One end of the cable chain is fixed on the lifting bracket, and the other end of the cable chain extends to the middle of the main support body. The cable chain is used to accommodate the electrical connectors of the conveying drive unit and the external power supply. The conveying baffles are arranged on both sides of the conveying unit.

[0014] Furthermore, the conveying unit includes at least one of the following: a belt conveyor, a roller conveyor, and a chain conveyor.

[0015] The second aspect of this utility model discloses a sorting device, including a package feeder and a shelf. The shelf includes multiple storage layers stacked along the height direction of the shelf. The sorting device also includes the lifting device described in the first aspect. The lifting device is disposed between the package feeder and the shelf. The docking member is detachably connected to the shelf. The input end of the conveying unit is docked with the output end of the package feeder. The output end of the conveying unit can dock with storage layers of different heights on the shelf.

[0016] These features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. The preferred embodiments or means of this utility model will be shown in detail in conjunction with the accompanying drawings, but are not intended to limit the technical solutions of this utility model. In addition, each of these features, elements and components appearing in the following text and drawings is multiple and is labeled with different symbols or numbers for convenience, but all represent parts with the same or similar structure or function. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings:

[0018] Figure 1 This is an overall structural diagram of one embodiment of the present utility model;

[0019] Figure 2 This is a structural diagram of the conveying unit portion of one embodiment of the present utility model;

[0020] Figure 3 This is a structural diagram of the main support body of one embodiment of the present invention;

[0021] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle;

[0022] Figure 5 This is a top view of one embodiment of the present utility model;

[0023] Figure 6 This utility model Figure 5 Enlarged view at point B in the middle;

[0024] Figure 7 This is a top sectional view showing the mating relationship between the main support and the docking component in one embodiment of the present invention.

[0025] Figure 8 This is a structural diagram of the docking component according to one embodiment of the present utility model.

[0026] in,

[0027] 10. Support component; 11. Main support body; 111. First slot; 112. Second slot; 12. Connecting piece; 121. First connecting block; 122. First protrusion; 123. Second connecting block; 124. Second protrusion; 125. Connecting hole;

[0028] 20. Lifting assembly; 21. Lifting drive unit; 22. Conveying unit; 221. Conveying drive unit; 222. Conveying baffle; 23. Lifting bracket; 24. Lifting guide rail; 25. Lifting slider; 26. Cable chain;

[0029] 30. Detection component; 31. Photoelectric baffle; 32. Photoelectric sensor;

[0030] 40. Shelf connectors. Detailed Implementation

[0031] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described are intended to explain this utility model and should not be construed as limiting it.

[0032] The terms "an embodiment," "example," or "trademark" used in this specification refer to a particular feature, structure, or characteristic described in connection with the embodiment itself that may be included in at least one embodiment disclosed in this utility model. The phrase "in an embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment.

[0033] See appendix Figure 1 , 2 One embodiment of this utility model discloses a lifting device, which includes a support assembly 10 and a lifting assembly 20. The support assembly 10 includes a main support body 11 and at least one docking member 12. The docking member 12 is used to detachably connect to a shelf. The position of the docking member 12 along the height direction of the main support body 11 is adjustable. The lifting assembly 20 includes a conveying unit 22 and a lifting drive unit 21. The conveying unit 22 is slidably disposed on the main support body 11 along the height direction of the main support body 11. The conveying direction of the conveying unit 22 intersects the height direction of the main support body 11. The input end of the conveying unit 22 is used to dock with the output end of a packaging machine. The lifting drive unit 21 drives the conveying unit 22 to move up and down along the main support body 11 so that the output end of the conveying unit 22 can dock with storage layers of different heights on the shelf.

[0034] In this embodiment, the lifting device is connected to the shelf to form a whole during use. This means that only the installation space for the lifting device needs to be reserved on the shelf during the design phase, and the lifting device can be installed in the corresponding installation space. Compared with the prior art, there is no need to reserve separate walking space and working space for the lifting equipment, which improves the space utilization rate.

[0035] Furthermore, during the process of connecting the lifting device to the shelf, the assembly efficiency can be improved by setting the docking part 12. Specifically, since the position of the docking part 12 along the height direction of the main support body 11 can be adjusted, during the assembly process, the position of the docking part 12 can be adjusted to better align with the corresponding connection position on the shelf, thereby facilitating installation.

[0036] This embodiment does not specifically limit the specific structure of the docking component 12. In actual installation, the docking component 12 can be an assembled bracket structure or a separate component. Furthermore, it does not specifically limit how the docking component 12 cooperates with the main support body 11. The docking component 12 and the main support body 11 can be directly connected by a connector or cooperate with each other through a mating structure (such as snap-fit, plug-in, etc.). As long as the docking component 12 can fix the position of the main support body 11 and the shelf relatively after being connected to the shelf, it is acceptable.

[0037] As can be seen, this embodiment facilitates the connection between the lifting device and the shelf by setting the docking part 12. When in use, the lifting device can be connected to the shelf, which improves the integration between the lifting device and the shelf, reduces the area occupied by the independently set lifting device, and improves the stability of the overall structure and the safety of operation, reducing safety hazards.

[0038] In this embodiment, the lifting assembly 20 enables a fixed-height bag feeder to connect with storage layers of different heights. During operation, the bag feeder's working height is constant, generally lower than the maximum height of the storage rack. When the conveying surface of the conveying unit 22 in the lifting assembly 20 is flush with the working surface of the bag feeder, the goods on the bag feeder are transferred to the lifting unit of the lifting assembly 20. The lifting assembly 20 then lifts the goods to the height corresponding to the storage layer where they need to be stored, and finally unloads the goods from the conveying unit 22 onto the corresponding storage layer for storage. It can be seen that the lifting device in this embodiment can transfer goods from the bag feeder to storage layers of different heights on the rack, facilitating convenient goods transfer.

[0039] In actual design, the shelf and the connecting piece 12 can be connected via the shelf connector 40, improving the ease of connection. See Appendix. Figure 1 , 5 .

[0040] As one embodiment of this utility model, see the appendix. Figure 1 , 7 The main support body 11 has a first slot 111 formed along the height direction of the main support body 11. The docking member 12 includes a first connecting part and a second connecting part. The first connecting part is inserted into the first slot 111 and can slide in the first slot 111. The second connecting part is connected to the first connecting part and is located outside the first slot 111. The second connecting part has a docking hole 125 formed on it. The docking hole 125 is used to connect with the shelf by bolts.

[0041] In this embodiment, the docking part 12 is not connected to the main support body 11, but is only snapped together. In use, this simplifies the assembly structure of the docking part 12 and the main support body 11. Moreover, the docking part 12 can slide in the first slot 111, which facilitates the adjustment of the position of the docking part 12 on the main support body 11.

[0042] In this embodiment, the design of the docking component 12 structure allows the main support body 11 to be relatively fixed to the shelf through the compression of bolted connection when connected to the shelf, making positioning convenient. Moreover, in actual production, the docking component 12 is small in size and easy to process, avoiding the need to directly process holes on the large main support body 11.

[0043] To improve the stability of the fit between the mating part 12 and the main support body 11, please refer to the appendix. Figure 7 , 8 A groove is formed on the inner wall of the first slot 111. The first connecting part includes a first connecting block 121 and a first protrusion 122. The first protrusion 122 protrudes from the surface of the first connecting block 121 and is fitted into the groove.

[0044] In this embodiment, the first slot 111 can be configured as a T-shaped slot, and the first connecting part can be configured as a T-shaped block or an L-shaped block that mates with the first slot 111. In this way, when the docking part 12 mates with the main support body 11, the docking part 12 can be inserted and installed from one end of the first slot 111. The docking part 12 can also be separated from the main support body 11 from both ends of the first slot 111, which can improve the stability of the mating between the docking part 12 and the main support body 11.

[0045] As one embodiment of this utility model, see the appendix. Figure 6 , 8 The second connecting part includes a second connecting block 123 and a second protrusion 124. The second connecting block 123 includes a mating surface and a mating back surface opposite to the mating surface. The mating hole 125 penetrates the mating surface and the mating back surface. The second protrusion 124 protrudes from the mating surface and is used to abut against the shelf, forming a gap d between the mating surface and the shelf. In this embodiment, when the connecting member 12 is mated with the shelf, the second protrusion 124 on the connecting member 12 abuts against the shelf, thus forming a gap d between the mating surface and the shelf. When connected by bolts, the existence of this gap d provides locking space allowance, which helps to improve the locking force and improve the reliability of the connection between the main support body 11 and the shelf.

[0046] To further improve the reliability of the connection between the main support 11 and the shelf, see Appendix Figure 1 , 3 The lifting device includes multiple docking members 12, and every two docking members 12 form a docking unit. The two docking members 12 in the docking unit are arranged on opposite sides of the main support body 11 and are at the same height. The lifting device includes multiple sets of docking units, and the multiple sets of docking units are distributed at intervals along the height direction of the main support body 11.

[0047] In this embodiment, multiple docking components 12 can form multiple connection points with the shelf, forming multi-point support for the main support body 11. As shown in the figure, each docking unit includes two symmetrically distributed docking components 12, which further improves the reliability of the connection. Multiple sets of docking units are distributed at intervals in the height direction. In actual installation, the interval in the height direction of the docking units can correspond to the support components on the shelf. For example, the docking units can be connected to each storage layer on the shelf to improve the stability of the connection.

[0048] To improve safety during the operation of the lifting device, one embodiment of the lifting device of this utility model further includes a detection component 30, see attached drawing. Figure 3 , 4 The detection component 30 includes a photoelectric baffle 31 and two photoelectric sensors 32. The two photoelectric sensors 32 are spaced apart along the height direction of the main support 11 and correspond to the upper and lower limit positions of the conveying unit 22. Each photoelectric sensor 32 includes a light emitting surface and a light receiving surface arranged opposite to each other. When the light path of the photoelectric sensor 32 is blocked, the photoelectric sensor 32 can generate a positioning signal. The photoelectric baffle 31 is disposed on the lifting slider 25 of the lifting component 20. When the lifting drive unit 21 drives the conveying unit 22 to move to the upper and lower limit positions, the photoelectric baffle 31 is inserted between the light emitting surface and the light receiving surface of the corresponding photoelectric sensor 32.

[0049] See appendix Figure 2 In this invention, one of the photoelectric sensors 32 is located near the top of the main support 11, and the other photoelectric sensor 32 is located near the bottom of the main support 11. During operation, the position of the photoelectric sensor 32 is matched with the movement range of the lifting assembly 20 to monitor the upper and lower limits of the movement of the conveying unit 22, thereby preventing over-movement and improving safety.

[0050] Of course, in actual setup, to further improve safety, multiple photoelectric sensors 32 can be set up. The photoelectric sensors 32 can be symmetrically distributed, which can avoid the problem of not being able to detect a failure in time when a certain photoelectric sensor 32 fails.

[0051] To facilitate the installation and position adjustment of the detection component 30, a second slot 112 is formed on the main support body 11 in one embodiment of the present invention along the height direction of the main support body 11. The photoelectric sensor 32 includes a sensing bracket and a sensor body. One end of the sensing bracket is inserted into the second slot 112, and the sensor body is located outside the second slot 112 and includes the light emitting surface and the light receiving surface. The photoelectric sensor 32 can slide in the second slot along the height direction of the main support body 11.

[0052] In this embodiment, the detection component 30 is not directly connected to the main support 11, which makes installation convenient and facilitates the adjustment of the relative positions of the detection component 30 and the main support 11. During use, the sensor bracket can be supported on the inner wall of the second slot 112 by pressing the top screw, thereby achieving relative fixation of the positions of the detection component 30 and the main support 11.

[0053] As one embodiment of this utility model, see the appendix. Figure 1 The lifting assembly 20 also includes a lifting bracket 23, a lifting guide rail 24, a lifting slider 25, a conveying drive unit 221, and a cable chain 26. The lifting guide rail 24 is arranged along the height direction of the main support body 11. The lifting slider 25 is slidably arranged on the lifting guide rail 24. The lifting bracket 23 is connected to the lifting slider 25. The conveying unit 22 is arranged on the lifting bracket 23. The conveying direction of the conveying unit 22 is orthogonal to the height direction of the main support body 11. The conveying drive unit 221 of the lifting assembly 20 is arranged on the lifting bracket 23. One end of the cable chain 26 is fixed on the lifting bracket 23, and the other end of the cable chain 26 extends to the middle of the main support body 11. The cable chain 26 is used to accommodate the electrical connectors of the conveying drive unit 221 and the external power supply.

[0054] In this embodiment, the lifting bracket 23 and the lifting slider 25 can be detachably connected by screws. The lifting bracket 23 can adopt a frame structure with high structural strength to improve the load-bearing capacity of the lifting assembly 20. By setting one end of the drag chain 26 in the middle of the main support body 11, the drag chain 26 can adapt to the upper and lower limit positions of the lifting assembly 20, reducing the length of the drag chain 26 and simplifying the overall structure of the lifting device.

[0055] It should be noted that the lifting assembly 20 in this embodiment also includes a conveying baffle 222. The conveying baffle 222 is disposed on both sides of the conveying unit 22 and is used to limit the goods on the conveying unit 22, thereby improving the stability of the goods on the conveying unit 22.

[0056] As one embodiment of the present invention, the conveying unit 22 includes at least one of the following: a belt conveyor mechanism, a roller conveyor mechanism, and a chain conveyor mechanism.

[0057] The second aspect of this utility model discloses a sorting device, including a package feeder and a shelf. The shelf includes multiple storage layers stacked along the height direction of the shelf. The sorting device also includes the lifting device described in the first aspect. The lifting device is disposed between the package feeder and the shelf. The docking member 12 is detachably connected to the shelf. The input end of the conveying unit 22 is docked with the output end of the package feeder. The output end of the conveying unit 22 can dock with storage layers of different heights on the shelf.

[0058] The sorting equipment provided by this utility model includes a packer, a lifting device, and a shelf. The lifting device only needs to lift the goods in the vertical direction, so it does not have to simultaneously bear the weight of the robot used to transport the goods in the horizontal direction, thereby saving a lot of energy and improving the efficiency of goods transfer.

[0059] The above are merely specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Those skilled in the art should understand that this utility model includes, but is not limited to, the contents described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of this utility model will be included within the scope of the claims.

Claims

1. A lifting device, characterized in that, The lifting device includes a support assembly (10) and a lifting assembly (20). The support assembly (10) includes a main support body (11) and at least one docking member (12). The docking member (12) is used to be detachably connected to the shelf. The position of the docking member (12) along the height direction of the main support body (11) is adjustable. The lifting assembly (20) includes a conveying unit (22) and a lifting drive unit (21). The conveying unit (22) is slidably disposed on the main support body (11) along the height direction of the main support body (11). The conveying direction of the conveying unit (22) intersects with the height direction of the main support body (11). The input end of the conveying unit (22) is used to dock with the output end of the packaging machine. The lifting drive unit (21) drives the conveying unit (22) to move up and down along the main support body (11) so that the output end of the conveying unit (22) can dock with the storage layers of different heights of the shelf.

2. The lifting device as described in claim 1, characterized in that, The main support (11) has a first slot (111) formed along the height direction of the main support (11). The docking part (12) includes a first connecting part and a second connecting part. The first connecting part is inserted into the first slot (111) and can slide in the first slot (111). The second connecting part is connected to the first connecting part and is located outside the first slot (111). The second connecting part has a docking hole (125) formed on it. The docking hole (125) is used to connect with the shelf by bolts.

3. The lifting device as described in claim 2, characterized in that, A groove is formed on the inner wall of the first slot (111). The first connecting part includes a first connecting block (121) and a first protrusion (122). The first protrusion (122) protrudes from the surface of the first connecting block (121) and is fitted into the groove.

4. The lifting device as described in claim 2, characterized in that, The second connecting part includes a second connecting block (123) and a second protrusion (124). The second connecting block (123) includes a mating surface and a mating back surface opposite to the mating surface. The mating hole (125) penetrates the mating surface and the mating back surface. The second protrusion (124) protrudes from the mating surface and is used to abut against the shelf, thereby forming a gap between the mating surface and the shelf.

5. The lifting device as described in claim 1, characterized in that, The lifting device includes multiple docking parts (12), and every two docking parts (12) form a docking unit. The two docking parts (12) in the docking unit are arranged on opposite sides of the main support body (11) and at the same height. The lifting device includes multiple sets of docking units, and the multiple sets of docking units are distributed at intervals along the height direction of the main support body (11).

6. The lifting device according to any one of claims 1 to 5, characterized in that, The lifting device also includes a detection component (30), which includes a photoelectric baffle (31) and two photoelectric sensors (32). The two photoelectric sensors (32) are distributed at intervals along the height direction of the main support (11) and correspond to the upper limit position and lower limit position of the conveying unit (22). The photoelectric sensor (32) includes a light emitting surface and a light receiving surface arranged opposite to each other. When the light path of the photoelectric sensor (32) is blocked, the photoelectric sensor (32) can generate a positioning signal. The photoelectric baffle (31) is disposed on the lifting slider (25) of the lifting component (20). When the lifting drive unit (21) drives the conveying unit (22) to move to the upper limit position and the lower limit position, the photoelectric baffle (31) is inserted between the light emitting surface and the light receiving surface of the corresponding photoelectric sensor (32).

7. The lifting device according to claim 6, characterized in that, The main support (11) has a second slot (112) formed on its upper surface along the height direction of the main support (11). The photoelectric sensor (32) includes a sensing bracket and a sensor body. One end of the sensing bracket is inserted into the second slot (112). The sensor body is located outside the second slot (112) and includes the light emitting surface and the light receiving surface. The photoelectric sensor (32) can slide in the second slot along the height direction of the main support (11).

8. The lifting device according to any one of claims 1 to 5, characterized in that, The lifting assembly (20) further includes a lifting bracket (23), a lifting guide rail (24), a lifting slider (25), a conveying drive unit (221), a conveying baffle (222), and a cable chain (26). The lifting guide rail (24) is arranged along the height direction of the main support (11). The lifting slider (25) is slidably arranged on the lifting guide rail (24). The lifting bracket (23) is connected to the lifting slider (25). The conveying unit (22) is arranged on the lifting bracket (23). The conveying direction is orthogonal to the height direction of the main support (11). The lifting assembly (20) and the conveying drive unit (221) are mounted on the lifting bracket (23). One end of the drag chain (26) is fixed on the lifting bracket (23), and the other end of the drag chain (26) extends to the middle of the main support (11). The drag chain (26) is used to accommodate the electrical connector of the conveying drive unit (221) and the external power supply. The conveying baffle (222) is mounted on both sides of the conveying unit (22).

9. The lifting device according to any one of claims 1 to 5, characterized in that, The conveying unit (22) includes at least one of the following: belt conveyor, roller conveyor, chain conveyor.

10. A sorting device, comprising a package feeder and a shelf, said shelf comprising multiple storage layers stacked along the height direction of the shelf, characterized in that, The sorting equipment further includes a lifting device as described in any one of claims 1 to 9, the lifting device being disposed between the package feeder and the shelf, the docking member (12) being detachably connected to the shelf, the input end of the conveying unit (22) being docked with the output end of the package feeder, and the output end of the conveying unit (22) being able to dock with storage layers of different heights on the shelf.

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