Tray stacking device and warehousing system

Abstract

The embodiment of the utility model provides a tray stacking device and a warehousing system.The tray stacking device comprises a rack, a conveying assembly, a centering assembly, a forking assembly and a lifting assembly, the conveying assembly is arranged on one side of the rack, and the conveying assembly is used for conveying trays to the position beside the rack; the centering assembly is arranged on the conveying assembly and used for centering and positioning the trays conveyed by the conveying assembly, so that the trays are stacked at the same position, and the uniformity of the tray stack is improved. The forking assembly is slidably connected with the rack and used for forking the trays. The lifting assembly is connected with the rack and the forking assembly, and the lifting assembly drives the forking assembly to ascend and descend, so that the height of the trays is increased, and the multiple trays are stacked in sequence.

Description

Technical Field

[0001] This application relates to the field of logistics equipment technology, and in particular to a pallet stacking device and warehousing system. Background Technology

[0002] With the rapid development of the modern logistics industry towards automation and intelligence, pallets, as standardized carriers, are increasingly widely used in warehousing and transportation.

[0003] In related technologies, a large number of pallets are used in each warehousing system. After use, these pallets need to be stacked and placed in designated areas. Currently, this is mainly done manually using forklifts to move and stack the pallets.

[0004] However, manual pallet stacking is inefficient, requires high strength, and results in pallet stacks with low uniformity and poor stability. Utility Model Content

[0005] This application provides a pallet stacking device and a storage system for stacking pallets.

[0006] In a first aspect, embodiments of this application provide a pallet stacking device, including:

[0007] frame;

[0008] A conveying assembly, disposed within the frame, is used to convey a pallet to the frame;

[0009] A centering component is disposed on the conveying component, and the centering component is used to center and position the pallet.

[0010] A forklift assembly is slidably connected to the frame, and the forklift assembly is used to lift the pallet;

[0011] A lifting assembly is connected to the frame and to the forklift assembly. The lifting assembly raises the height of the pallet through the forklift assembly to stack multiple pallets.

[0012] In one feasible implementation, the pallet conveying assembly is configured as a roller conveyor;

[0013] The centering assembly includes a mounting frame, a centering drive assembly, and a centering clamping part. The mounting frame is fixedly connected to the roller conveyor. The centering drive assembly is disposed on the mounting frame. The two centering clamping parts are slidably connected to the mounting frame, and both centering clamping parts protrude from the conveying surface of the roller conveyor.

[0014] The centering drive assembly is used to drive the two centering clamping parts to move simultaneously toward or away from each other.

[0015] In one possible implementation, the centering clamping part includes at least one clamping block, each clamping block protruding from the conveying surface between two adjacent rollers of the roller conveyor; or, each clamping block is provided with a through hole, and each clamping block is sleeved on the roller through the through hole.

[0016] In one possible implementation, each of the clamping blocks protrudes from the conveying surface between two adjacent rollers of the roller conveyor;

[0017] Alternatively, each of the clamping blocks is provided with a through hole, and each clamping block is sleeved on the roller of the roller conveyor through the through hole.

[0018] In one feasible implementation, the centering drive assembly is configured as a lead screw and nut drive assembly, a timing belt drive assembly, a transmission chain drive assembly, or a gear and rack drive assembly.

[0019] In one feasible implementation, two forking components are provided.

[0020] The two forklift assemblies are slidably connected to the frame and are located on both sides of the conveying assembly. The two forklift assemblies are arranged opposite each other and simultaneously lift the pallet. The lifting assembly drives the two forklift assemblies to lift and lower simultaneously.

[0021] In one feasible implementation, one lifting component is provided, and one lifting component drives two fork-taking components to lift synchronously;

[0022] Alternatively, two lifting components are provided, with each lifting component corresponding to a fork assembly, and the two lifting components respectively drive the two fork assemblies to lift synchronously.

[0023] Alternatively, the lifting assembly may be configured as a synchronous belt lifting assembly, a winch lifting assembly, a transmission chain lifting assembly, or a rack and pinion lifting assembly.

[0024] In one feasible implementation, the fork assembly includes a lifting frame, a fork drive assembly, and forks. The lifting frame is slidably connected to the frame, the fork drive assembly is disposed on the lifting frame, and the fork drive assembly is connected to the forks to drive the forks to move in a direction perpendicular to the conveying direction of the conveying assembly.

[0025] In one feasible implementation, the forklift drive assembly is configured as a synchronous belt drive assembly, a transmission chain drive assembly, an electric cylinder drive assembly, a pneumatic cylinder drive assembly, a hydraulic cylinder drive assembly, or a lead screw and nut drive assembly.

[0026] In one feasible implementation, the pallet stacking device further includes a first lifting baffle assembly, which includes a first baffle lifting drive and a first baffle. Along the conveying direction of the conveying assembly, the first baffle lifting drive is disposed at the front end of the conveying assembly, and the first baffle is disposed on the first baffle lifting drive. The first baffle lifting drive drives the first baffle to selectively lift and lower.

[0027] And / or, the pallet stacking device further includes a second lifting baffle assembly, the second lifting baffle assembly including a second baffle lifting drive and a second baffle, along the conveying direction of the conveying assembly, the second baffle lifting drive is disposed at the rear end of the conveying assembly, the second baffle is disposed on the second baffle lifting drive, and the second baffle lifting drive drives the second baffle to selectively lift and lower;

[0028] And / or, the first baffle lifting drive and the second baffle lifting drive are both cam lifting mechanisms or crank lifting mechanisms.

[0029] Secondly, embodiments of this application provide a warehousing system, including a conveyor line and a pallet stacking device as described in the first aspect, wherein the pallet stacking device is disposed in the conveyor line, the conveyor line is used to convey pallets to the pallet stacking device, and the pallet stacking device is used to stack the pallets.

[0030] This application provides a pallet stacking device, including a frame, a conveying assembly, a centering assembly, a forklift assembly, and a lifting assembly. The conveying assembly is located on one side of the frame and is used to transport pallets to the side of the frame. The centering assembly is located on the conveying assembly and is used to center and position the pallets transported by the conveying assembly, ensuring that each pallet is stacked in the same position, thus improving the neatness of the pallet stack. The forklift assembly is slidably connected to the frame and is used to pick up pallets. The lifting assembly is connected to the frame and also to the forklift assembly, driving the forklift assembly to rise and fall, thereby increasing the height of the pallets for sequential stacking of multiple pallets. This pallet stacking device utilizes the forklift assembly and the lifting assembly to stack pallets transported by the conveying assembly and positioned and centered by the centering assembly. Compared to manual pallet stacking in the prior art, this pallet stacking device is more efficient and produces pallet stacks with higher neatness and stability.

[0031] Secondly, embodiments of this application also provide a warehousing system, including a conveyor line and a pallet stacking device as described in the first aspect. The pallet stacking device is disposed at the end of the conveyor line, which is used to transport pallets to the pallet stacking device, and the pallet stacking device is used to stack the pallets. Since this warehousing system includes the pallet stacking device of any of the above-described technical solutions, it has all the beneficial effects of the pallet stacking device of any of the above-described technical solutions, which will not be elaborated further here. Attached Figure Description

[0032] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present application, but do not constitute an undue limitation of the present invention.

[0033] In the attached diagram:

[0034] Figure 1 This is a schematic diagram of the structure of a pallet stacking device provided in one embodiment of this application;

[0035] Figure 2 yes Figure 1 Side view of the pallet stacking device in the middle;

[0036] Figure 3 yes Figure 1 A schematic diagram of the conveying components and centering components of the ultra-low position transition conveying device after assembly.

[0037] Figure 4 yes Figure 1 A schematic diagram of the centering component in the diagram;

[0038] Figure 5 This is a schematic diagram of the centering component provided in another embodiment of this application.

[0039] Explanation of reference numerals in the attached figures:

[0040] 100 - Frame; 200 - Conveying assembly; 300 - Centering assembly; 400 - Forklift assembly; 500 - Lifting assembly; 600 - First lifting baffle assembly;

[0041] 310 - Mounting bracket; 320 - Centering drive assembly; 330 - Centering guide assembly; 340 - Centering clamp; 410 - Lifting frame; 420 - Forklift drive assembly; 430 - Forklift guide assembly; 440 - Fork finger;

[0042] 321 - Centering drive motor; 322 - First lead screw; 341 - Clamping block. Detailed Implementation

[0043] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of this application.

[0044] In the description of the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0045] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0046] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0047] With the rapid development of the modern logistics industry towards automation and intelligence, pallets, as standardized carriers, are increasingly widely used in warehousing and transportation.

[0048] In related technologies, a large number of pallets are used in each warehousing system. After use, these pallets need to be stacked and placed in designated areas. Currently, this is mainly done manually using forklifts to move and stack the pallets.

[0049] However, manual pallet stacking is inefficient, requires high strength, and results in pallet stacks with low uniformity and poor stability.

[0050] To improve pallet stacking efficiency, pallet stack neatness, and stability, this application provides a pallet stacking device and storage system. The following will describe the solution provided by this application in detail with reference to the accompanying drawings.

[0051] Figure 1 This is a schematic diagram of the structure of a pallet stacking device provided in one embodiment of this application; Figure 2 yes Figure 1 Side view of the pallet stacking device in the image.

[0052] Firstly, referring to Figure 1 and Figure 2 As shown in the figure, this application embodiment provides a pallet stacking device, including a frame 100, a conveying assembly 200, a centering assembly 300, a forklift assembly 400, and a lifting assembly 500. The frame 100 is a frame structure formed by connecting profiles, providing a fixed foundation for each component. The conveying assembly 200 is disposed on one side of the frame 100, and is used to convey pallets to the frame 100, i.e., one side, for stacking. The centering assembly 300 is disposed on the conveying assembly 200, and is used to center and position the pallets conveyed by the conveying assembly 200, so that each pallet is forked and stacked in the same position, thereby improving the neatness of the pallet stack. The forklift assembly 400 is slidably connected to the frame 100 through a first slide rail slider assembly, and is used to fork pallets. The lifting assembly 500 is mounted on the frame 100 and connected to the forklift assembly 400. The lifting assembly 500 drives the forklift assembly 400 to lift and lower, thereby increasing the height of the pallets for stacking multiple pallets sequentially. The first slide rail slider assembly includes a first slide rail and a first slider. The first slide rail is vertically mounted on the frame 100. The forklift assembly 400 is fixedly connected to the first slider, and the first slider is connected to the first slide rail.

[0053] When stacking pallets, the conveyor assembly 200 transports the first pallet to the side of the frame 100. The centering assembly 300 centers and positions the pallet. Then, the forklift assembly 400 extends and inserts into the pallet. The lifting assembly 500 controls the forklift assembly 400 to rise, causing the pallet to rise and leave the conveyor assembly 200. The conveyor assembly 200 transports the second pallet to the side of the frame 100. The lifting assembly 500 controls the forklift assembly 400 to descend, and the pallet follows the forklift assembly 400 down and lands on the second pallet. Next, the forklift assembly 400 moves in the opposite direction and moves out of the first pallet. The lifting assembly 500 controls the forklift assembly 400 to descend, then moves and inserts into the second pallet. Finally, the lifting assembly 500 controls the forklift assembly 400 to rise, causing the second pallet and the first pallet to rise together. After the third pallet is conveyed to the side of the frame 100 by the conveying component 200 and centered by the centering component 300, the lifting component 500 controls the fork-lifting component 400 to descend, so that the first and second pallets are stacked on the third pallet. This process is repeated to complete the stacking of multiple pallets in sequence.

[0054] The pallet stacking device uses a forklift assembly 400 and a lifting assembly 500 to stack pallets conveyed by the conveying assembly 200 and positioned and centered by the centering assembly 300. Compared with the existing technology of manually stacking pallets, the pallet stacking device is more efficient and produces pallet stacks with high neatness and good stability.

[0055] For example, the conveying assembly 200 may be a conveyor belt conveyor, a roller conveyor, or a chain conveyor. When the conveying assembly 200 is configured as a conveyor belt conveyor, the centering assembly 300 is disposed above the conveyor belt and fixedly connected to the frames on both sides of the conveyor belt conveyor. The centering assembly 300 positions and centers the pallets conveyed by the conveyor belt.

[0056] Figure 3 yes Figure 1 A schematic diagram of the assembled conveying component 200 and centering component 300 of the ultra-low position transition conveying device;

[0057] Figure 4 yes Figure 1 A schematic diagram of the centering component 300.

[0058] Reference Figures 1 to 3 As shown, in some examples, the pallet conveying assembly 200 is configured as a roller conveyor. In these examples, the centering assembly 300 is disposed below the rollers of the roller conveyor and protrudes from the conveying surface of the roller conveyor to position and center the pallet. Figure 4As shown, the centering assembly 300 in these examples includes a mounting frame 310, a centering drive assembly 320, and a centering clamping part 340. The mounting frame 310 is fixedly connected to the frame of the roller conveyor, and the centering drive assembly 320 is fixedly mounted on the mounting frame 310. There are two centering clamping parts 340, each slidably connected to the mounting frame 310, and both protruding from the conveying surface of the roller conveyor. The centering drive assembly 320 drives the two centering clamping parts 340 to move simultaneously towards or away from each other. When the centering drive assembly 320 drives the two centering clamping parts 340 to move away from each other, the distance between them increases, facilitating the movement of the pallet between them. After the pallet is moved between them, the centering drive assembly 320 drives the two centering clamping parts 340 to move towards each other to clamp the pallet, completing the centering and positioning of the pallet.

[0059] In some other examples, the centering component 300 also includes a centering guide component 330. Exemplarily, the centering guide component 330 is disposed on the mounting bracket 310 along a first direction. It should be noted that the first direction can be referred to as... Figure 4 As shown in the y-direction. There are two centering clamping parts 340, and the two centering clamping parts 340 are slidably connected to the centering guide assembly 330 respectively. The centering drive assembly 320 drives the centering clamping parts 340 to move along the corresponding centering guide assembly 330.

[0060] Figure 4 yes Figure 1 A schematic diagram of the centering component 300. (Refer to...) Figure 4 As shown, for example, the centering guide component 330 can be a second slide rail slider assembly. The second slide rail is disposed on the frame 100 along the first direction. The two centering clamping parts are respectively fixedly connected to a second slider, and both second sliders are connected to the second slide rail. The centering drive component 320 can be a synchronous belt drive component, a transmission chain drive component, a lead screw and nut drive component, or a gear and rack drive component.

[0061] In this embodiment, the centering drive assembly 320 is configured as a first lead screw and nut drive assembly, which includes a centering drive motor 321, two first lead screws 322, and two first lead screw nuts. Specifically, the centering drive motor 321 is positioned in the middle of the mounting bracket 310, and the two first lead screws 322 are arranged along a first direction on the mounting bracket 310, respectively located on both sides of the centering drive motor 321. The output end of the centering drive motor 321 is connected to the two first lead screws 322 via a transfer gearbox. Each centering clamping part 340 is fixedly connected to a corresponding first lead screw nut, and the first lead screw nut is engaged with the first lead screw 322. The centering drive motor 321 drives the two centering clamping parts 340 to move simultaneously towards each other through the first lead screws 322 and the first lead screw nuts, thereby clamping, centering, and positioning the tray.

[0062] Figure 5 This is a schematic diagram of the centering component 300 provided in another embodiment of this application. (Refer to...) Figure 5 As shown, the centering drive assembly 320 can be configured as a first synchronous belt drive assembly, which includes a synchronous belt centering drive motor and a first synchronous belt. The synchronous belt centering drive motor is mounted on the mounting bracket 310, and the first synchronous belt is wound around the bottom of two centering clamping parts 340. One centering clamping part 340 is connected to the first synchronous belt on one side, and the other centering clamping part 340 is connected to the first synchronous belt on the other side. The synchronous belt centering drive motor and the first synchronous belt are connected through a synchronous belt pulley. When the synchronous belt centering drive motor drives the first synchronous belt to rotate, the first synchronous belt drives the two centering clamping parts 340 to move simultaneously towards or away from each other.

[0063] In some examples, each centering clamping part 340 includes at least one clamping block 341, all clamping blocks 341 are spaced apart along the second direction, each clamping block 341 is slidably connected to the centering guide assembly 330, and each clamping block 341 protrudes from the conveying surface to clamp, position, and center the conveyor belt tray of the conveying assembly 200. Specifically, each clamping block 341 protrudes from the conveying surface between two adjacent rollers of the roller conveyor. That is, each clamping block 341 is located between two adjacent rollers. It should be noted that the second direction can be referred to as... Figure 4 The x-direction is shown in the figure.

[0064] In other examples, the structure of the clamping block 341 differs from that in the above embodiments, see reference to... Figure 3 and Figure 4As shown, each of the clamping blocks 341 in these examples is provided with a through hole, the diameter of which is larger than the diameter of the roller. Each clamping block 341 is sleeved on the roller of the roller conveyor through the through hole. Since the diameter of the through hole is larger than the diameter of the roller, the clamping block 341 will not interfere with the rotating roller when it moves in a direction perpendicular to the conveying direction of the conveying assembly 200.

[0065] In some examples, to improve the stability of pallet lifting, the forklift assembly 400 is provided in two forms, such as... Figure 1 and Figure 2 As shown, two forklift assemblies 400 are slidably connected to the frame 100 via vertically arranged first slide rail slider assemblies, and are located on both sides of the conveying assembly 200. The two forklift assemblies 400 are arranged opposite each other and simultaneously lift the pallet. The lifting assembly 500 drives the two forklift assemblies 400 to rise and fall simultaneously. It can be understood that the two forklift assemblies 400 extend into both sides of the pallet, and the simultaneous rise and fall of the two forklift assemblies 400 improves the stability of pallet lifting.

[0066] In some examples, a single lifting assembly 500 is provided, which drives two forklift assemblies 400 to lift and lower synchronously. The lifting assembly 500 can be configured as a synchronous belt lifting assembly, a winch lifting assembly, or a drive chain lifting assembly. In these examples, the lifting assembly 500 is configured as a synchronous belt lifting assembly, which includes two synchronous belt assemblies and a synchronous belt drive motor. Each synchronous belt assembly is mounted on the frame 100 and connected to a corresponding forklift assembly 400. The synchronous belt drive motor is positioned in the middle of the frame 100 and is connected to both synchronous belt assemblies; that is, the synchronous belt drive motor drives the two forklift assemblies 400 to lift and lower simultaneously via the two synchronous belt assemblies.

[0067] In other examples, two lifting components 500 are provided, with each lifting component 500 corresponding to one forklift component 400. The two lifting components 500 drive the two forklift components 400 to lift synchronously. That is, one lifting component 500 controls the lifting of one forklift component 400, and the two lifting components 500 synchronously control the lifting of the two forklift components 400. Similarly, in these examples, the lifting components 500 can be configured as a synchronous belt lifting component, a winch lifting component, a transmission chain lifting component, or a rack and pinion lifting component.

[0068] Reference Figure 1 and Figure 2As shown in this embodiment, each forklift assembly 400 has its two ends connected to a synchronous belt assembly. The two synchronous belt assemblies are connected by synchronous shafts, and the two synchronous shafts are respectively connected to synchronous belt drive motors mounted on the frame 100 via synchronous belts. That is, one synchronous belt drive motor simultaneously drives two synchronous shafts to rotate, the two synchronous shafts respectively drive two synchronous belt assemblies to rotate, and the two synchronous belt assemblies on each side drive one forklift assembly 400 to rise and fall. In other words, the synchronous belt drive motor drives two forklift assemblies 400 to rise and fall simultaneously via two synchronous shafts and four synchronous belt assemblies. The synchronous belt assembly includes two synchronous pulleys and a second synchronous belt. The two synchronous pulleys are vertically spaced on the frame 100, and the two second synchronous belts are respectively wound around the two synchronous pulleys.

[0069] Continue to refer to Figure 3 As shown, exemplarily, the fork-taking assembly 400 of the above embodiment includes a lifting frame 410, a fork-taking drive assembly 420, and forks 440. The lifting frame 410 is slidably connected to the frame 100 via a slide rail slider assembly, and the lifting frame 410 can move vertically along the frame 100. The fork-taking drive assembly 420 is fixedly mounted on the lifting frame 410 and connected to the forks 440, thereby driving the forks 440 to move in a direction perpendicular to the conveying direction of the conveying assembly 200 to selectively pick up pallets.

[0070] In some other examples, the fork assembly 400 also includes a fork guide assembly 430, which is disposed on the lifting frame 410 in a direction perpendicular to the conveying direction of the conveying assembly 200. The fork finger 440 is connected to the fork guide assembly 430, and the fork drive assembly 420 drives the fork finger 440 to move in the extension direction of the fork guide assembly 430, that is, in a direction perpendicular to the conveying direction of the conveying assembly 200.

[0071] For example, the fork guide assembly 430 can be a third slide rail slider assembly. The fork finger 440 is slidably connected to the lifting frame 410 through this third slide rail slider assembly. The third slide rail slider assembly can guide the movement of the fork finger 440, ensuring that the fork finger 440 moves in a direction perpendicular to the conveying direction of the conveying assembly 200. Specifically, the third slide rail slider assembly includes a third slide rail and a third slider. The third slide rail is disposed on the lifting frame 410 in a direction perpendicular to the conveying direction of the conveying assembly 200, and the third slider is fixedly disposed on the fork finger 440, and the third slider is slidably connected to the third slide rail. The fork drive assembly 420 drives the fork finger 440 to move along the third slide rail.

[0072] Additionally, for example, the forklift drive assembly 420 can be configured as a synchronous belt drive assembly, a transmission chain drive assembly, an electric cylinder drive assembly, a pneumatic cylinder drive assembly, a hydraulic cylinder drive assembly, or a lead screw and nut drive assembly. For example... Figure 1As shown, the forklift drive assembly 420 is configured as a second lead screw and nut drive assembly. The second lead screw and nut drive assembly includes a lead screw drive motor and a second lead screw. The lead screw drive motor is fixedly mounted on the lifting frame 410. The second lead screw is arranged parallel to the forklift guide assembly 430, that is, the second lead screw is arranged on the lifting frame 410 in a direction perpendicular to the conveying direction of the conveying assembly 200. The nut that cooperates with the second lead screw is fixedly mounted on the fork finger 440. The lead screw drive motor drives the fork finger 440 to move along the forklift guide assembly 430 through the second lead screw and the nut, that is, to move in a direction perpendicular to the conveying direction of the conveying assembly 200, so as to selectively pick up the pallet.

[0073] Continue to refer to Figure 1 As shown, in some examples, the pallet stacking device also includes a first lifting baffle assembly 600, which includes a first baffle lifting drive and a first baffle. Along the conveying direction of the conveying assembly 200, the first baffle lifting drive is disposed at the front end of the conveying assembly 200, and the first baffle is disposed on the first baffle lifting drive. The first baffle lifting drive drives the first baffle to selectively lift and lower to block the pallet and prevent subsequent pallets from rushing into the pallet stacking area and colliding with the pallets being stacked, thus affecting the stacking of the previous pallet.

[0074] In other examples, the pallet stacking device further includes a second lifting baffle assembly, which includes a second baffle lifting drive and a second baffle. In the conveying direction of the conveying assembly 200, the second baffle lifting drive is disposed at the rear end of the conveying assembly 200, and the second baffle is disposed on the second baffle lifting drive. The second baffle lifting drive drives the second baffle to selectively lift and lower to block the pallet, so that the pallet stays in the pallet stacking area and prevents the pallet from rushing out of the stacking area due to high speed, which would affect the neatness of the pallet stacking.

[0075] For example, both the first baffle lifting drive and the second baffle lifting drive are cam lifting mechanisms or crank lifting mechanisms. Cam lifting mechanisms or crank lifting mechanisms are existing technologies, and this application does not involve improvements to this part, so they will not be described in detail here.

[0076] The pallet stacking process is described using the solution of an embodiment of this application.

[0077] During pallet stacking, the second baffle lifting drive unit raises the second baffle to a height that protrudes from the roller surface of the roller conveyor. The second baffle prevents pallet movement, keeping the pallet stationary in the stacking area. Once the pallet enters the stacking area, the first baffle lifting drive unit raises the first baffle to a height that protrudes from the conveying surface of the roller conveyor, blocking the pallet and preventing the next pallet from entering the stacking area. Next, the centering component 300 clamps the pallet and centers it. After centering, the lifting component 500 drives the fork-taking component 400 to rise and adjust to a suitable height. The fork-taking drive component 420 of the fork-taking component 400 drives the fork fingers 440 to extend and take the pallet. Finally, the lifting component 500 drives the fork-taking component 400 to rise, thereby raising the pallet to a height ready for the next pallet to enter the stacking area.

[0078] Secondly, embodiments of this application also provide a warehousing system, including a conveyor line and a pallet stacking device as described in the first aspect. The pallet stacking device is disposed in the conveyor line, i.e., at the end of the conveyor line. The conveyor line is used to transport pallets to the pallet stacking device, and the pallet stacking device is used to stack the pallets. Since this warehousing system includes the pallet stacking device of any of the above-described technical solutions, it has all the beneficial effects of the pallet stacking device of any of the above-described technical solutions, which will not be elaborated further here.

[0079] It is readily understood that, based on the several embodiments provided in this application, those skilled in the art can combine, split, or reorganize the embodiments of this application to obtain other embodiments, none of which exceed the protection scope of this application.

[0080] The above detailed embodiments further illustrate the purpose, technical solution, and beneficial effects of the embodiments of this application. It should be understood that the above are merely specific embodiments of the embodiments of this application and are not intended to limit the protection scope of the embodiments of this application. Any modifications, equivalent substitutions, improvements, etc., made on the basis of the technical solutions of the embodiments of this application should be included within the protection scope of the embodiments of this application.

Claims

1. A pallet stacking device, characterized in that, include: Rack (100); A conveying assembly (200) is disposed within the frame (100) for conveying a pallet to the frame (100); A centering component (300) is disposed on the conveying component (200), the centering component (300) being used to center and position the pallet; A forklift assembly (400) is slidably connected to the frame (100) and is used to forklift the pallet; A lifting assembly (500) is connected to the frame (100) and the lifting assembly (500) is connected to the forklift assembly (400). The lifting assembly (500) raises the height of the pallet through the forklift assembly (400) to stack multiple pallets.

2. The pallet stacking device according to claim 1, characterized in that, The conveying assembly (200) is configured as a roller conveyor; The centering assembly (300) includes a mounting frame (310), a centering drive assembly (320), and a centering clamping part (340). The mounting frame (310) is fixedly connected to the roller conveyor. Two centering drive assemblies (320) are disposed on the mounting frame (310). Two centering clamping parts (340) are slidably connected to the mounting frame (310), and both centering clamping parts (340) protrude from the conveying surface of the roller conveyor. The centering drive assembly (320) is used to drive the two centering clamping parts (340) to move towards each other or away from each other simultaneously.

3. The pallet stacking device according to claim 2, characterized in that, The centering clamping part (340) includes at least one clamping block (341), each clamping block (341) protruding from the conveying surface between two adjacent rollers of the roller conveyor; or, each clamping block (341) is provided with a through hole, and each clamping block (341) is sleeved on the roller through the through hole.

4. The pallet stacking device according to claim 2, characterized in that, The centering drive assembly (320) is configured as a lead screw and nut drive assembly, a timing belt drive assembly, a transmission chain drive assembly, or a gear and rack drive assembly.

5. The pallet stacking device according to claim 1, characterized in that, Two forklift assemblies (400) are provided. The two forklift assemblies (400) are slidably connected to the frame (100) and are located on both sides of the conveying assembly (200). The two forklift assemblies (400) are arranged opposite to each other and simultaneously lift the pallet. The lifting assembly (500) drives the two forklift assemblies (400) to lift and lower simultaneously.

6. The pallet stacking device according to claim 5, characterized in that, One lifting assembly (500) is provided, and one lifting assembly (500) drives two fork-taking assemblies (400) to lift synchronously; Alternatively, two lifting components (500) may be provided, with each lifting component (500) corresponding to one of the forklift components (400), and the two lifting components (500) driving the two forklift components (400) to lift synchronously. Alternatively, the lifting assembly (500) may be configured as a synchronous belt lifting assembly, a winch lifting assembly, a transmission chain lifting assembly, or a rack and pinion lifting assembly.

7. The pallet stacking device according to claim 1, characterized in that, The forklift assembly (400) includes a lifting frame (410), a forklift drive assembly (420), and forks (440). The lifting frame (410) is slidably connected to the frame (100). The forklift drive assembly (420) is disposed on the lifting frame (410) and connected to the forks (440) to drive the forks (440) to move in a direction perpendicular to the conveying direction of the conveying assembly (200).

8. The pallet stacking device according to claim 7, characterized in that, The forklift drive assembly (420) is configured as a synchronous belt drive assembly, a transmission chain drive assembly, an electric cylinder drive assembly, a pneumatic cylinder drive assembly, a hydraulic cylinder drive assembly, or a lead screw and nut drive assembly.

9. The pallet stacking device according to any one of claims 1-8, characterized in that, The pallet stacking device further includes a first lifting baffle assembly (600), which includes a first baffle lifting drive and a first baffle. Along the conveying direction of the conveying assembly (200), the first baffle lifting drive is disposed at the front end of the conveying assembly (200), and the first baffle is disposed on the first baffle lifting drive. The first baffle lifting drive drives the first baffle to selectively lift and lower. And / or, the pallet stacking device further includes a second lifting baffle assembly, the second lifting baffle assembly including a second baffle lifting drive and a second baffle, along the conveying direction of the conveying assembly (200), the second baffle lifting drive is disposed at the rear end of the conveying assembly (200), the second baffle is disposed on the second baffle lifting drive, and the second baffle lifting drive drives the second baffle to selectively lift and lower; And / or, both the first baffle lifting drive and the second baffle lifting drive are cam lifting mechanisms or crank lifting mechanisms.

10. A warehousing system, characterized in that, The device includes a conveyor line and a pallet stacking device as described in any one of claims 1-9, wherein the pallet stacking device is disposed in the conveyor line for conveying pallets to the pallet stacking device, and the pallet stacking device is used to stack the pallets.

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