Automatic stacking device for wood pallets

The automatic pallet stacking device achieves the separation of pallets from stop bars through a top plate, hydraulic cylinder, and linkage structure, solving the problems of device dragging and stop bar deformation, and improving material unloading efficiency and device stability.

CN224105073UActive Publication Date: 2026-04-10WUHAN XINTIANDI PLASTIC WOOD PACKING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing automated wooden pallet stacking devices are easily dragged when forklifts pick up materials, causing the stop bar to deform and reducing unloading efficiency.

Method used

The top plate, hydraulic cylinder and connecting rod structure are used so that the top plate rises during material unloading, pushing the connecting rod and side plate to unfold, separating the pallet and the stop bar, avoiding the device being dragged and the stop bar being deformed. The pallet is supported by the cylinder and the top material frame to ensure stable material unloading.

Benefits of technology

It improves the handling efficiency of wooden pallets and the service life of equipment accessories, prevents pallets from falling, and enhances the effect and efficiency of stacking and handling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic stacking device for wood trays, and relates to the technical field of medical instruments. The automatic stacking device for the wood trays comprises a rack; the two side plates are arranged on the rack in a sliding manner; the hydraulic cylinder is fixedly arranged on the bottom surface in the rack; the top plate is fixedly arranged at the telescopic end of the hydraulic cylinder. According to the automatic stacking device for the wood pallets, through the arrangement of the top plate, the hydraulic cylinder and the connecting rods, when stacked pallet bodies are discharged, the hydraulic cylinder drives the top plate to ascend, and in the ascending process of the top plate, the connecting rods are pushed to move together and push the side plates to conduct unfolding movement, so that the side plates and the stop rods are separated from the stacked pallet bodies; the stacked pallet body can be conveniently carried by a forklift, the situation that the device is dragged or the stop lever is deformed due to dragging is avoided, the carrying efficiency of the stacked wooden pallet is improved, and the service life of accessories on the device is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wood pallet technical field, concretely is a kind of wood pallet automatic stacking device. BACKGROUND

[0002] Wood pallet is used for the horizontal platform device of placing goods and products as unit load for packing, stacking, handling and transportation, facilitate loading and unloading, handling unit materials and small amount of materials, in modern supply chain management and logistics system is indispensable component part, when goods handling is completed, wood pallet is usually stacked and handled using automatic stacking device, to facilitate subsequent transportation and placement.

[0003] In prior art, such as Chinese patent CN202717370U discloses a kind of "wood pallet automatic stacking device", including rack, conveying mechanism, stacking mechanism and for stacking wood pallets of stacking frame, rack has stacking station, conveying mechanism is set on rack for conveying wood pallet to be stacked to stacking station, the stacking frame is located above stacking station, above-mentioned stacking mechanism is set below stacking station, and wood pallet located at stacking station can be pushed vertically upwards to stacking frame, the stacking frame and stacking station are provided with one-way anti-falling mechanism.

[0004] As above-mentioned utility model, although only need to be stacked finished wood pallet is sequentially placed on conveying mechanism, it can be sequentially stacked after conveying in place, since the friction between baffle and wood pallet is adhered, in the process that forklift removes stacked wood pallet, it is easy to cause pulling situation to device due to the friction between baffle and wood pallet, in this case, device is easily dragged, and baffle is also prone to deformation in being dragged, so that forklift is more inconvenient when discharging, need first plug-in plug is inserted into the bottom of wood pallet, then side plate is separated to be able to discharge, reduce the efficiency of handling when discharging. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of wood pallet automatic stacking device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of wood pallet automatic stacking device, comprising: rack;Two side plates, slidingly set on rack;Hydraulic cylinder, fixedly set in the bottom surface of rack interior;Top plate, fixedly set in the telescopic end of hydraulic cylinder;Several connecting rods, rotationally set in the bottom end of two side plates, the other end of the connecting rod is rotationally set on top plate, and when the top plate is set to move in vertical direction, the connecting rod pushes or pulls side plate to move.

[0007] Preferably, further comprising: a plurality of air cylinders fixedly arranged on the top plate; a top material rack fixedly arranged on the output end of the plurality of air cylinders, the top material rack being located inside the frame; when the air cylinders are arranged to push the top material rack to move, the top material rack pushes the materials to move upwards; and when the air cylinders are arranged to move with the top plate, the top material rack props up the stacked materials.

[0008] Preferably, further comprising: a plurality of blocking rods fixedly arranged on the two side plates; and a tray body arranged between the plurality of blocking rods and abutting against one side of the blocking rods.

[0009] Preferably, further comprising: a delay plate fixedly arranged on the top plate; a delay through hole provided on the side of the delay plate; one end of the connecting rod is slidingly arranged in the delay through hole; and when the top plate is arranged to move upwards, the connecting rod pushes the side plates to move after the top material rack props up the tray body.

[0010] Preferably, further comprising: a plurality of supporting blocks slidingly arranged inside the side plates, the top surface of the supporting blocks abutting against the bottom end of the tray body located at the lowermost layer; a plurality of receiving covers fixedly arranged on the side of the side plates, one end of the supporting blocks extending into the receiving covers; and a return spring arranged inside the receiving cover, the two ends of the return spring being fixedly arranged on the surface of the supporting block and inside the receiving cover respectively, and when the supporting block is arranged to slide inside the receiving cover, the return spring is deformed.

[0011] Preferably, further comprising: a plurality of positioning rods fixedly arranged inside the frame, the inside of the side plates slidingly arranged on the outer surface of the positioning rods; and a positioning telescopic rod fixedly arranged on the bottom surface of the frame, the other end of the positioning telescopic rod being fixedly arranged on the bottom end of the top plate.

[0012] Preferably, further comprising: a guide plate fixedly arranged on one end of the side plate; and a positioning plate fixedly arranged on the other end of the side plate.

[0013] The wood tray automatic stacking device has the following beneficial effects:

[0014] (1) The wood tray automatic stacking device has the following beneficial effects:

[0015] (2) The utility model discloses a structure that the gas cylinder, the top material frame, the delay board and the delay through -hole are set up, in the process of discharging, the hydraulic cylinder will drive the top material frame and move upwards first, and the tray body and the side plate are separated before the connecting rod rotates, and the tray body is separated conveniently and the tray body is avoided falling after losing the support, improves the effect and the efficiency of stacking and carrying. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the schematic diagram of the whole structure of the utility model when stacking.

[0017] Figure 2 It is the schematic diagram of the whole structure of the utility model.

[0018] Figure 3 It is the schematic diagram of the structure between the hydraulic cylinder and the side plate of the utility model.

[0019] Figure 4 It is the exploded schematic diagram of the structure between the top plate and the top material frame of the utility model.

[0020] Figure 5 It is the schematic diagram of the structure of the utility model Figure 4 The enlarged schematic diagram of the structure of area A.

[0021] In the drawing: 1, rack, 2, side plate, 3, connecting rod, 4, top plate, 5, hydraulic cylinder, 6, gas cylinder, 7, top material frame, 8, positioning plate, 9, stop rod, 10, tray body, 11, delay board, 12, delay through -hole, 13, positioning telescopic rod, 14, guide plate, 15, storage cover, 16, support block, 17, reset spring, 18, positioning rod. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model embodiment will be described clearly and completely in conjunction with the drawings in the utility model embodiment.

[0023] The utility model provides technical scheme: refer to 1-5, in this embodiment, a kind of wood pallet automatic stacking device, it include: rack 1;Two side plates 2, slidingly set in rack 1;Hydraulic cylinder 5, fixedly set in the bottom surface inside rack 1;Top plate 4, fixedly set in the telescopic end of hydraulic cylinder 5;Several connecting rods 3, rotationally set in the bottom end of two side plates 2, connecting rod 3 other end rotationally set on top plate 4, and top plate 4 is set as vertical direction moves, connecting rod 3 promotes or pulls side plate 2 to move, wherein, the connecting rod 3 of symmetrical arrangement can be first connected together by bearing rotation, then by bearing and delay through-hole 12 inside carry out sliding fit, hydraulic cylinder 5 can be oil cylinder or electric hydraulic cylinder 5, in the process that top plate 4 is lifted by hydraulic cylinder 5, top plate 4 promotes connecting rod 3 to move together after delaying a position, promote side plate 2 to separate in the process that connecting rod 3 moves, so that forklift is more convenient when discharging, will not drag device movement or the situation that blocking lever 9 is dragged.

[0024] Still include: several air cylinders 6, fixedly set on top plate 4;Material lifting frame 7, fixedly set on the output end of several air cylinders 6, material lifting frame 7 is located in the inside of rack 1;Air cylinder 6 is set as promoting material lifting frame 7 to move, and material lifting frame 7 pushes material to move upwards, air cylinder 6 is set as following top plate 4 to move, and material lifting frame 7 supports the material after stacking, wherein, material lifting frame 7 can be fixed with the output end of air cylinder 6 by bolt connection or welding, material lifting frame 7 has different functions under different circumstances, can promote tray body 10 to move upwards when being driven by air cylinder 6, and stacking, material lifting frame 7 can support the tray body 10 after stacking when being driven to move by hydraulic cylinder 5, prevent falling when side plate 2 separates and facilitate forklift to move.

[0025] Still include: several blocking levers 9, fixedly set on two side plates 2;Tray body 10, is set between several blocking levers 9, and the side of tray body 10 is attached with one side of blocking lever 9, and blocking lever 9 can limit tray body 10, so that the tray body 10 after stacking can be kept in the same position, prevent skewing.

[0026] Delay plate 11, fixedly set on top plate 4;Delay through-hole 12, is set on the side of delay plate 11, and one end of connecting rod 3 is slidingly set in delay through-hole 12, and top plate 4 is set as moving upwards, and connecting rod 3 promotes side plate 2 to move after lifting tray body 10 by material lifting frame 7, by the setting of delay plate 11 and delay through-hole 12, can guarantee that side plate 2 separates again after material lifting frame 7 lifts the tray body 10 after stacking.

[0027] Further include: a plurality of support blocks 16, slidingly arranged inside the side plate 2, the top surface of the support block 16 is in contact with the bottom end of the tray body 10 located in the lowermost layer; a plurality of storage covers 15 are fixedly arranged on the side surface of the side plate 2, one end of the support block 16 extends into the storage cover 15; a return spring 17 is arranged inside the storage cover 15, the two ends of the return spring 17 are fixedly arranged on the surface of the support block 16 and inside the storage cover 15 respectively, and the support block 16 is arranged to deform the return spring 17 when sliding inside the storage cover 15, wherein the support block 16 can support the tray body 10 to be stably stacked by being arranged, and the bottom end of the support block 16 is provided with an inclined surface, which can facilitate the tray body 10 to be accumulated and then entered into the storage cover 15, and facilitate stacking, and the return spring 17 can ensure that the support block 16 supports in time.

[0028] Further include: a plurality of positioning rods 18 fixedly arranged inside the rack 1, and the inner surface of the side plate 2 is slidingly arranged on the outer surface of the positioning rod 18; the positioning telescopic rod 13 is fixedly arranged on the bottom surface of the rack 1, and the other end of the positioning telescopic rod 13 is fixedly arranged on the bottom end of the top plate 4, the positioning rod 18 can ensure the stable movement of the side plate 2 and prevent the side plate 2 from being inclined, and the positioning telescopic rod 13 can position the top plate 4 and improve the stability.

[0029] Further include: a guide plate 14 fixedly arranged on one end of the side plate 2; and a positioning plate 8 fixedly arranged on the other end of the side plate 2, the guide plate 14 can guide the entering tray body 10, and the positioning plate 8 can position the position of the tray body 10 to ensure the neatness when stacking.

[0030] The utility model provides a kind of wood tray automatic stacking device, and specific working principle is as follows:

[0031] When the tray bodies 10 are stacked, the tray bodies 10 are sent into the frame 1 by the feeding mechanism, then the cylinder 6 is started, so that the material lifting frame 7 lifts the tray bodies 10, in the process of lifting the tray bodies 10, the supporting blocks 16 are pressed into the receiving cover 15 by the tray bodies 10, at this time, the reset spring 17 is deformed, after the tray bodies 10 pass through the supporting blocks 16, the reset spring 17 restores the elastic deformation and resets the supporting blocks 16, then the material lifting frame 7 is reset under the driving of the cylinder 6, the tray bodies 10 are in contact with the surface of the supporting blocks 16 and are lifted, so as to repeat the automatic stacking of the tray bodies 10, after the stacking is completed, the hydraulic cylinder 5 drives the top plate 4 to rise, under the action of the delay plate 11 and the delay through hole 12, the hydraulic cylinder 5 drives the material lifting frame 7 to move upwards first, and lifts the stacked tray bodies 10 before the connecting rod 3 rotates, so that the tray bodies 10 are separated from the supporting blocks 16, then the top plate 4 drives the connecting rod 3 to move together and drives the side plate 2 to expand, so that the side plate 2 and the stop rod 9 are separated from the stacked tray bodies 10, finally, the unloading process is carried out by the forklift, after the unloading is completed, the hydraulic cylinder 5 is reset, and the stacking can be carried out again.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wood pallet automatic stacking device, characterized by: It includes: Frame (1); Two side plates (2) are slidingly arranged on the frame (1); Hydraulic cylinder (5) is fixedly arranged on the inner bottom surface of the frame (1); The top plate (4) is fixedly arranged on the telescopic end of the hydraulic cylinder (5); A plurality of connecting rods (3) are rotatably arranged at the bottom end of the two side plates (2), the other end of the connecting rod (3) is rotatably arranged on the top plate (4), and when the top plate (4) is arranged to move in the vertical direction, the connecting rod (3) pushes or pulls the side plate (2) to move.

2. The automatic wood pallet stacking device of claim 1, wherein: It also includes: A plurality of air cylinders (6) are fixedly arranged on the top plate (4); The top material rack (7) is fixedly arranged on the output end of the plurality of air cylinders (6), and the top material rack (7) is located in the frame (1); When the air cylinder (6) is arranged to push the top material rack (7) to move, the top material rack (7) pushes the material upward, and when the air cylinder (6) is arranged to move with the top plate (4), the top material rack (7) supports the stacked material.

3. The automatic wood pallet stacking apparatus of claim 2, wherein: It also includes: A plurality of stop rods (9) are fixedly arranged on the two side plates (2); The tray body (10) is arranged between the plurality of stop rods (9), and the side surface of the tray body (10) is attached to one side of the stop rod (9).

4. The automatic wood pallet stacking apparatus of claim 3, wherein: It also includes: The delay plate (11) is fixedly arranged on the top plate (4); The delay through hole (12) is arranged on the side surface of the delay plate (11), one end of the connecting rod (3) is slidingly arranged in the delay through hole (12), and when the top plate (4) is arranged to move upward, the connecting rod (3) pushes the side plate (2) to move after lifting the tray body (10) of the top material rack (7).

5. The automatic wood pallet stacking apparatus of claim 1, wherein: It also includes: A plurality of supporting blocks (16) are slidingly arranged in the side plate (2), and the top surface of the supporting block (16) abuts against the bottom end of the lowermost tray body (10); A plurality of receiving covers (15) are fixedly arranged on the side surface of the side plate (2), one end of the supporting block (16) extends into the receiving cover (15); The reset spring (17) is arranged in the receiving cover (15), and the two ends of the reset spring (17) are fixedly arranged on the surface of the supporting block (16) and the inside of the receiving cover (15), respectively, and when the supporting block (16) is arranged to slide in the receiving cover (15), the reset spring (17) is deformed.

6. The automatic wood pallet stacking apparatus of claim 1, wherein: It also includes: A plurality of positioning rods (18) are fixedly arranged in the frame (1), and the inside of the side plate (2) is slidingly arranged on the outer surface of the positioning rod (18); The positioning telescopic rod (13) is fixedly arranged on the inner bottom surface of the frame (1), and the other end of the positioning telescopic rod (13) is fixedly arranged on the bottom end of the top plate (4).

7. The automatic wood pallet stacking apparatus of claim 1, wherein: It also includes: The guide plate (14) is fixedly arranged on one end of the side plate (2); The positioning plate (8) is fixedly arranged on the other end of the side plate (2).

Citation Information

Patent Citations

  • Automatic stacking device for wooden trays

    CN202717370U