A pallet destacker

Abstract

The utility model relates to tray conveying equipment technical field, concretely is a tray divides the stacker, including the drum power conveying mechanism, two symmetries' stack board blocking mechanism and tray jacking mechanism, the drum power conveying mechanism is used for tray transmission, and the middle is equipped with the jacking window, the stack board blocking mechanism symmetry is equipped with the both ends of drum power conveying mechanism, and it is equipped with tray suspension support subassembly to suspend the positioning tray on it, tray jacking mechanism is equipped at the jacking window, is used for lifting jacking tray pile. When working, through the cooperation of tray jacking mechanism and tray suspension support subassembly, realize the automation of tray's division stack, can adapt to different specifications tray. The utility model solves the problem of low efficiency, low automation degree of traditional tray division stack, is applicable to the tray division stack operation of logistics, storage and the like field.

Description

Technical Field

[0001] This utility model relates to the field of pallet conveying equipment technology, and in particular to a pallet stacking machine. Background Technology

[0002] In the logistics, warehousing and manufacturing sectors, pallets are the core carriers for carrying and transferring goods. To improve space utilization and handling efficiency, multiple pallets are often stacked vertically to form pallet stacks for centralized storage or turnover. However, in actual operations, it is necessary to separate the pallets in the pallet stacks one by one (i.e., "stacking") to supply the production line, sorting station and other subsequent workstations.

[0003] Currently, pallet stacking in the industry mostly relies on manual operation or simple mechanical assistance. Manual stacking is not only inefficient, but also poses high labor intensity and safety risks for operators when dealing with heavy pallets. Simple mechanical devices generally have poor adaptability to pallet specifications. When changing pallets of different sizes and with different insertion positions, the mechanical structure needs to be frequently disassembled and adjusted, resulting in long equipment downtime. This makes it difficult to meet the needs of modern logistics warehousing for continuous and automated operations, and seriously restricts the overall production flow efficiency.

[0004] Therefore, developing a device that can automate stacking and adapt to different pallet sizes is key to solving current industry pain points. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a pallet stacking machine to solve the technical problems of traditional stacking, realize automated pallet stacking, and adapt to pallets of different specifications.

[0006] The above objectives are achieved through the following technical solutions: A pallet stacking machine, comprising: A roller-driven conveyor mechanism is used for pallet transfer, and a lifting window is provided in the middle area of ​​the roller-driven conveyor mechanism; The pallet blocking mechanism has two components, which are symmetrically arranged at both ends of the roller power conveying mechanism. Each pallet blocking mechanism is provided with a pallet suspension support component that can support the pallet and is used to suspend and position the pallet. A pallet lifting mechanism is provided at the lifting window and can lift and raise pallets placed on the roller power conveyor mechanism.

[0007] Furthermore, the roller power conveying mechanism includes symmetrically arranged first roller line guards, with a plurality of first rollers movably arranged between the two first roller line guards; second roller line guards are symmetrically arranged at the lifting window position, with a plurality of second rollers movably arranged between each second roller line guard and the first roller line guard on its outer side; the first roller line guards and the second roller line guards are supported by a conveying bracket arranged below.

[0008] Furthermore, each of the first rollers has sprockets at both ends and the outer ends of each second roller. The sprockets on the same side are engaged by the same chain. Any chain is engaged with the motor sprocket of the motor. The motor is fixed by a motor bracket mounted on the conveying bracket.

[0009] Furthermore, pallet guide plates are symmetrically arranged on the two first roller line stops to limit the two outer sides of the pallet.

[0010] Furthermore, the pallet blocking mechanism includes a support beam that can be connected to the two first roller line guards, and the support beam and the conveying surface of the roller power conveying mechanism form a pallet inlet and outlet; the pallet suspension support assembly is disposed on the support beam.

[0011] Furthermore, the tray suspension support assembly includes a cylinder disposed on the support beam, the piston end of the cylinder being connected to a cylinder connecting plate, and both ends of the cylinder connecting plate being provided with insertion holes for optical axes that can pass through the optical axis through holes opened on the support beam.

[0012] Furthermore, symmetrically arranged on the inner sides of the two support beams are limiting baffles that can limit the left and right sides of the pallet respectively, and right-angle limiting baffles that can limit the left and right rear sides of the pallet stack.

[0013] Furthermore, the pallet lifting mechanism includes a lifting cylinder fixing plate connected to the conveying bracket. A lifting cylinder is provided at the bottom of the lifting cylinder fixing plate. The lifting piston of the lifting cylinder passes through the lifting cylinder fixing plate and is fixedly connected to the lifting plate. Lifting components are symmetrically arranged on the upper surface of the lifting plate, and guide rods that can pass through guide holes opened on the lifting cylinder fixing plate are symmetrically arranged on the lower surface of the lifting plate.

[0014] Furthermore, the lifting assembly includes top rods symmetrically arranged on the surface of the lifting plate, with the tops of the two top rods fixedly connected to the top plate.

[0015] Furthermore, it can adapt to the stacking operation of pallets of different specifications.

[0016] This utility model provides a pallet stacking machine that achieves fully automated pallet stacking through the coordinated action of a roller power conveyor mechanism, a pallet lifting mechanism, and a pallet blocking mechanism. This eliminates the need for manual intervention, significantly reducing labor intensity and safety risks for operators while substantially improving stacking efficiency. Its support structure, which uses an "insertion shaft inserted into the pallet insertion hole," is adaptable to pallets of different sizes, eliminating the need for frequent disassembly and adjustment, reducing downtime, and meeting diverse operational needs. Simultaneously, pallet guide plates, limit baffles, and right-angle limit baffles ensure precise pallet stack alignment, preventing stacking misalignment, improving operational stability and accuracy, and ensuring a continuous and stable supply of pallets to subsequent workstations. This machine is suitable for high-efficiency operational scenarios in logistics, warehousing, and manufacturing, effectively solving the pain points of traditional stacking methods and helping to improve overall production flow efficiency. Attached Figure Description

[0017] Figure 1 This is a first-view structural schematic diagram of a pallet stacking machine according to the present invention; Figure 2 This is a second-view structural diagram of the pallet stacking machine described in this utility model; Figure 3 This is a first-view structural diagram of a pallet stacking machine according to the present invention, with a pallet attached. Figure 4 This is a second-view structural diagram of a pallet stacking machine according to the present invention, featuring a pallet. Figure 5 This is a schematic diagram of the pallet stacking machine with pallet stacks according to the present invention; Figure 6 This is a schematic diagram showing the connection between the roller power conveying mechanism and the pallet lifting mechanism in the pallet stacking machine of this utility model; Figure 7 This is a schematic diagram of the lifting window in a pallet stacking machine according to the present invention; Figure 8 This is a schematic diagram of the pallet lifting mechanism in the pallet stacking machine of this utility model.

[0018] Illustration markings: 1-Roller power conveyor mechanism, 101-First roller line sidewall, 102-Second roller line sidewall, 103-First roller, 104-Second roller, 105-Conveyor support, 106-Sprocket, 107-Motor, 108-Motor sprocket, 109-Motor support, 110-Lifting window, 111-Pallet guide plate; 2-Platform blocking mechanism, 201-Support beam, 202-Optical axis through hole, 203-Limiting baffle, 204-Right angle limiting baffle; 3-Pallet lifting mechanism, 301-Lifting cylinder fixing plate, 302-Lifting cylinder, 303-Lifting plate, 304-Lifting assembly, 305-Guide hole, 306-Guide rod, 307-Push rod, 308-Top plate; 4-Tray, 401-Socket; 5-Pallet suspension support assembly, 501-Cylinder, 502-Cylinder connecting plate, 503-Insertion optical axis; 6-Pallet stack. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. The described embodiments are merely some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] like Figures 1-4 As shown, this solution provides a pallet stacking machine, including: Roller-driven conveyor mechanism 1: It undertakes the function of transferring pallet 4. A lifting window 110 is opened in the middle area to provide space for the operation of the pallet lifting mechanism. Pallet blocking mechanism 2: There are 2 in total, symmetrically arranged at both ends of the roller power conveying mechanism 1. Each pallet blocking mechanism 2 is equipped with a pallet suspension support component 5 for suspending and positioning the pallet 4. Pallet lifting mechanism 3: Installed at lifting window 110, it can lift and raise the pallets 4 or pallet stacks 6 placed on the roller power conveyor mechanism 1.

[0021] like Figure 6 and Figure 7 As shown, in this embodiment, the roller power conveying mechanism 1 is the core of power transmission for the pallet 4, and its structure is as follows: Side rails and rollers: including symmetrically arranged first roller line side rails 101, with several first rollers 103 movably installed between the two first roller line side rails 101; second roller line side rails 102 are symmetrically arranged at the lifting window 110 position, with several second rollers 104 movably installed between each second roller line side rail 102 and the first roller line side rail 101 on its outer side; the first roller line side rails 101 and the second roller line side rails 102 are supported by the conveying bracket 105 below.

[0022] Power transmission: Sprockets 106 are installed at both ends of each first roller 103 and at the outer ends of each second roller 104; all sprockets 106 on the same side are meshed by the same chain (not shown separately in the diagram); the chain meshes with the motor sprocket 108 of the motor 107, and the motor 107 is fixed by a motor bracket 109 fixed on the conveying bracket 105. After the motor starts, it drives all sprockets to rotate synchronously through the motor sprocket and chain, thereby causing the first roller 103 and the second roller 104 to rotate synchronously, realizing the power conveying of the pallet 4.

[0023] Guide and limit: Pallet guide plates 111 are symmetrically arranged on the two first roller line guard edges 101 to limit the two outer sides of the pallet 4, prevent the pallet from shifting during transportation, and ensure transportation stability.

[0024] like Figure 6 As shown, in this embodiment, the pallet blocking mechanism 2 is used in conjunction with the pallet suspension support assembly 5 to achieve the suspension positioning of the pallet 4, and its structure is as follows: Support beam: The pallet blocking mechanism 2 includes a support beam 201 connected to the two first roller line guards 101. The support beam 201 and the conveying surface of the roller power conveying mechanism 1 form a pallet inlet and outlet, which facilitates the output of the pallet 4.

[0025] Pallet Suspension Support Assembly: The pallet suspension support assembly 5 includes a cylinder 501 mounted on the support beam 201. The piston end of the cylinder 501 is connected to a cylinder connecting plate 502. Insertion holes 503 are provided at both ends of the cylinder connecting plate 502, and the insertion holes 503 can pass through the optical axis through holes 202 opened on the support beam 201. During operation, the two cylinders 501 are driven synchronously, causing the insertion holes 503 on the two support beams 201 to insert into the symmetrical insertion holes 401 on the pallet 4, thereby achieving suspension positioning of the pallet 4 and the stacked pallets 4 above it.

[0026] Auxiliary limiting: The inner sides of the two support beams 201 are symmetrically equipped with limiting baffles 203 to limit the left and right sides of the pallet 4 and right-angle limiting baffles 204 (to limit the left and right rear sides of the pallet stack 6) to ensure accurate alignment of the pallet stack 6; the other side corresponding to the two right-angle limiting baffles 204 is the loading port of the pallet stack 6, which facilitates the placement of the pallet stack 6 by external forklifts or cranes.

[0027] like Figure 8 As shown, in this embodiment, the pallet lifting mechanism 3 is the core for realizing the lifting and lowering of the pallet stack 6, and its structure is as follows: Cylinder and plate: including lifting cylinder fixing plate 301 connected to conveying bracket 105, lifting cylinder 302 is installed at the bottom of lifting cylinder fixing plate 301; the lifting piston of lifting cylinder 302 passes through lifting cylinder fixing plate 301 and is fixedly connected to lifting plate 303; lifting components 304 are symmetrically arranged on the upper surface of lifting plate 303 and guide rods 306 are symmetrically arranged on the lower surface. The guide rods 306 can pass through the guide holes 305 on lifting cylinder fixing plate 301 to ensure the stability of lifting plate 303 when it is raised and lowered and avoid tilting.

[0028] Lifting assembly: The lifting assembly 304 includes top rods 307 symmetrically installed on the surface of the lifting plate 303. The tops of the two top rods 307 are fixed to the top plate 308. During lifting, the top plate 308 contacts the bottom of the pallet stack 6, and the pallet stack 6 is lifted and lowered by the extension and retraction of the lifting cylinder 302.

[0029] Working principle, such as Figure 4 and 5 As shown: It should be noted that the tray-based stack splitting mechanism provided in this solution can implement multiple stack splitting methods. This embodiment only uses one of the stack splitting methods as an example for illustration.

[0030] Loading and alignment: Before operation, several pallets 4 are stacked longitudinally to form a pallet stack 6. The pallet stack 6 is placed on the roller power conveyor mechanism 1 from the other side of the two right-angle limit baffles 204 at the loading port of the pallet stack 6 using an external forklift or crane. At this time, the pallet guide plate 111, the limit baffle 203, and the right-angle limit baffle 204 work together to ensure that the pallet stack 6 is accurately aligned.

[0031] Lifting and Suspension Positioning: When pallet 4 needs to be transferred, pallet lifting mechanism 3 is activated: lifting cylinder 302 extends and lifts pallet stack 6 through lifting plate 303 and top plate 308 of lifting component 304; when the position of "second to last pallet 4 from bottom to top" is raised to the working position of pallet suspension support component 5, pallet lifting mechanism 3 stops; then pallet suspension support component 5 is activated: cylinder 501 drives the insertion shaft 503 through the optical shaft through hole 202 and inserts it into the insertion hole 401 of the second to last pallet 4, so that pallet 4 and the pallet 4 above it are suspended and positioned.

[0032] Single pallet output: After the pallet suspension support component 5 is positioned, the pallet lifting mechanism 3 operates again: the lifting cylinder 302 retracts, driving the lifting plate 303 and lifting component 304 to descend, placing the "last pallet 4 from bottom to top" onto the surface of the first roller 103 and the second roller 104 of the roller power conveying mechanism 1, and then stopping; then the roller power conveying mechanism 1 starts: the motor 107 drives the first roller 103 and the second roller 104 to rotate through the sprocket 106 and chain, outputting the last pallet 4 outward through the "pallet inlet and outlet"; after the pallet 4 is output, the roller power conveying mechanism 1 stops.

[0033] Cyclic Stacking: After a single pallet is output, the pallet lifting mechanism 3 is activated again: the lifting cylinder 302 extends, and stops when the top plate 308 contacts the bottom of the "second to last pallet 4"; then the pallet suspension support assembly 5 releases its support: the cylinder 501 drives the insertion shaft 503 to exit from the insertion hole 401 of the pallet 4; finally, the lifting cylinder 302 of the pallet lifting mechanism 3 retracts, driving the remaining pallet stack 6 down to the conveying surface of the roller power conveyor mechanism 1. When a subsequent workstation needs pallet 4, the above steps are repeated to achieve continuous automated pallet output.

[0034] This pallet stacking machine achieves support by "inserting the optical shaft 503 into the insertion hole 401 of the pallet 4". As long as the pallet 4 has an insertion hole 401 that is compatible with the optical shaft 503, stacking can be completed. Therefore, it can adapt to the stacking operation of pallets 4 of different specifications.

[0035] The implementation methods for each functional mechanism in this solution are as follows: Implementation of the roller power conveying mechanism 1: The conveying bracket 105 provides bottom support for the entire mechanism; the first roller line retainer 101 and the second roller line retainer 102 define the roller installation area; the first roller 103 and the second roller 104 are movably mounted on the retainer through components such as bearings (not shown in the figure); after the motor 107 starts, the motor sprocket 108 drives all sprockets 106 to rotate through the chain, thereby making the first roller 103 and the second roller 104 rotate synchronously, providing conveying power for the pallet 4; the pallet guide plate 111 is installed on the first roller line retainer 101 through fasteners such as bolts (not shown in the figure) to laterally limit the pallet 4 during conveying.

[0036] Implementation of pallet blocking mechanism 2 and pallet suspension support assembly 5: The support beam 201 is fixed to the first roller line guard 101 by welding or bolt connection (not shown in the figure); the cylinder 501 is installed on the support beam 201 through the cylinder seat (not shown in the figure), the piston end of the cylinder 501 is fixed to the cylinder connecting plate 502, and the insertion hole optical shaft 503 at both ends of the cylinder connecting plate 502 is clearance-fitted with the optical shaft through hole 202 to ensure that the insertion hole optical shaft 503 can pass smoothly; the limiting baffle 203 and the right angle limiting baffle 204 are fixed to the inside of the support beam 201 by welding or bolt connection (not shown in the figure) to achieve precise alignment of pallet 4 and pallet stack 6.

[0037] Implementation of pallet lifting mechanism 3: Lifting cylinder fixing plate 301 is connected to conveying bracket 105 by fasteners such as bolts (not marked in the figure); the cylinder body of lifting cylinder 302 is fixed to the bottom of lifting cylinder fixing plate 301, and the lifting piston passes through lifting cylinder fixing plate 301 and is welded or bolted to lifting plate 303; the top rod 307 on the upper surface of lifting plate 303 is welded or bolted to top plate 308, and the guide rod 306 on the lower surface is welded or bolted to lifting plate 303, and the guide rod 306 and guide hole 305 are clearance-fitted to ensure the guiding stability of lifting plate 303 when it is raised and lowered.

[0038] During operation, following the process of "material loading and alignment → lifting and suspension positioning → single pallet output → cyclic stacking", each component works in concert to achieve automated pallet stacking; and because the support method of "insertion optical shaft (503) inserted into pallet insertion hole (401)" is adopted, as long as the pallet 4 has a matching insertion hole 401, stacking can be completed, so it can adapt to pallets 4 of different specifications.

[0039] The above description is only for illustrating the embodiments of this utility model and is not intended to limit this utility model. For those skilled in the art, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pallet stacking machine, characterized in that, include: A roller power conveyor (1) is used for the transfer of the pallet (4), and a lifting window (110) is provided in the middle area of ​​the roller power conveyor (1). The pallet blocking mechanism (2) has two parts, which are symmetrically arranged at both ends of the roller power conveying mechanism (1). Each pallet blocking mechanism (2) is provided with a pallet suspension support assembly (5) that can support the pallet (4) and is used to suspend and position the pallet (4). The pallet lifting mechanism (3) is located at the lifting window (110) and can lift the pallet (4) placed on the roller power conveying mechanism (1).

2. The pallet stacking machine according to claim 1, characterized in that, The roller power conveying mechanism (1) includes symmetrically arranged first roller line guards (101), and a plurality of first rollers (103) are movably arranged between the two first roller line guards (101); the lifting window (110) is symmetrically arranged with second roller line guards (102), and a plurality of second rollers (104) are movably arranged between each second roller line guard (102) and the first roller line guard (101) on its outer side; the first roller line guards (101) and the second roller line guards (102) are supported by a conveying bracket (105) arranged below.

3. A pallet stacking machine according to claim 2, characterized in that, Each of the first rollers (103) has a sprocket (106) at both ends and at the outer end of each of the second rollers (104). The sprockets (106) on the same side are engaged by the same chain. Any chain is engaged with the motor sprocket (108) of the motor (107). The motor (107) is fixed by a motor bracket (109) on the conveying bracket (105).

4. A pallet stacking machine according to claim 2, characterized in that, Two first roller line guards (101) are also symmetrically provided with tray guide plates (111) that can limit the two outer sides of the tray (4).

5. A pallet stacking machine according to claim 4, characterized in that, The pallet blocking mechanism (2) includes a support beam (201) that can be connected to two first roller line guards (101). The support beam (201) and the conveying surface of the roller power conveying mechanism (1) form a pallet inlet and outlet. The pallet suspension support assembly (5) is disposed on the support beam (201).

6. A pallet stacking machine according to claim 5, characterized in that, The tray suspension support assembly (5) includes a cylinder (501) disposed on the support beam (201). The piston end of the cylinder (501) is connected to the cylinder connecting plate (502). Both ends of the cylinder connecting plate (502) are provided with insertion optical shafts (503) that can pass through the optical shaft through holes (202) opened on the support beam (201).

7. A pallet stacking machine according to claim 5, characterized in that, On the inner side of the two support beams (201), there are also symmetrically arranged limiting baffles (203) that can limit the left and right sides of the pallet (4) respectively, and right angle limiting baffles (204) that can limit the left and right rear sides of the pallet stack (6).

8. A pallet stacking machine according to claim 2, characterized in that, The pallet lifting mechanism (3) includes a lifting cylinder fixing plate (301) connected to the conveying bracket (105). A lifting cylinder (302) is provided at the bottom of the lifting cylinder fixing plate (301). The lifting piston of the lifting cylinder (302) passes through the lifting cylinder fixing plate (301) and is fixedly connected to the lifting plate (303). Lifting components (304) are symmetrically arranged on the upper surface of the lifting plate (303). Guide rods (306) that can pass through the guide holes (305) opened on the lifting cylinder fixing plate (301) are symmetrically arranged on the lower surface of the lifting plate (303).

9. A pallet stacking machine according to claim 8, characterized in that, The lifting assembly (304) includes top rods (307) symmetrically arranged on the surface of the lifting plate (303), and the tops of the two top rods (307) are fixedly connected to the top plate (308).

10. A pallet stacking machine according to any one of claims 1-9, characterized in that, It can adapt to the stacking operation of different specifications of pallets (4).

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