Tray stacking structure

By coordinating the feeding mechanism, limiting bin, and lifting mechanism, the pallet is automatically aligned and leveled. Combined with the cleaning function of the cleaning mechanism, the problems of center of gravity shift, collision wear, and surface scratches in pallet stacking equipment are solved, thereby improving the stability and lifespan of pallet stacking.

CN223804490UActive Publication Date: 2026-01-16SUZHOU DAMEI ELECTROMECHANICAL EQUIP CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520563781.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-16
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing pallet stacking equipment suffers from problems such as pallet center of gravity shift, tilting or collapse, pallet collision and wear, and pallet surface scratches, which are particularly noticeable when stacking at high levels.

Method used

The feeding mechanism enables automatic pallet feeding and layer-by-layer stacking, the limiting compartment keeps the pallets aligned, the lifting mechanism is used to level the pallet height, and the cleaning mechanism removes hard particles and stains from the pallet surface, preventing the pallets from tilting, collapsing, and wearing out.

Benefits of technology

It effectively prevents pallets from shifting their center of gravity and tilting when stacked at high levels, prevents pallet collisions and wear, ensures the pallet surface is clean, and extends the pallet's service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223804490U_ABST
    Figure CN223804490U_ABST
Patent Text Reader

Abstract

The tray stacking structure comprises a base, a lifting mechanism is installed on the base, a supporting table is fixedly connected to the top of the base, a limiting bin is fixedly connected to the side, close to the lifting mechanism, of the supporting table, and a material guiding opening is formed in the side, close to the supporting table, of the limiting bin. A material guiding opening is formed in the supporting table, a fixing plate is arranged above the material guiding opening, a cleaning mechanism is installed on the fixing plate, two pairs of roller frames are fixedly connected to the top of the supporting table, and a feeding mechanism is installed on the two pairs of roller frames. According to the tray stacking device, the trays can be limited during stacking, so that the stacked trays can be kept aligned, the center of gravity is prevented from shifting, and the phenomenon that the trays are collided and abraded due to external force impact generated by gravitational potential energy when the trays on the upper layer are stacked on the trays on the lower layer from the high position can be avoided; the surface of the tray can be cleaned before stacking so as to prevent the surface of the tray from being scratched or even deformed due to hard particles or stains when the tray is stacked.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to tray superposition technical field, especially, relate to a tray superposition structure. BACKGROUND

[0002] Tray superposition refers to the operation mode of vertically stacking multiple trays during warehousing or transportation. Through tray superposition, space utilization can be optimized and logistics efficiency can be improved, while considering goods protection and cost control.

[0003] Traditional tray superposition is mainly completed manually, which is time-consuming and laborious. Some devices on the market can automatically superimpose trays. For example, a tray stacking mechanism with publication number CN209796860U is disclosed on the Chinese patent network. This stacking mechanism can replace manual operation to achieve automatic tray superposition, but there are some defects and deficiencies that need to be improved: (1) Some existing tray superposition devices are prone to tilting or collapse due to the shift of the center of gravity after stacking trays to a higher layer, which not only causes damage to the trays and related components, but also easily causes safety hazards; (2) Some existing tray superposition devices often need to stack the upper tray on the lower tray from a high place when stacking the tray, which can cause the tray on the lower layer to collide and wear due to the external force impact generated by the gravitational potential energy; (3) Some existing tray superposition devices lack cleaning function, and cannot effectively remove hard particles (such as metal debris, sand) or stains on the surface of the tray before stacking the tray, which can cause the tray to rub when stacking, resulting in scratches or even deformation on the surface of the tray, thereby affecting the load capacity and service life of the tray. Therefore, in view of the above problems, the utility model provides a tray superposition structure with important significance. UTILITY MODEL CONTENT

[0004] The utility model provides a tray superposition structure, through feeding mechanism can lead to the tray to the limiting warehouse, and stack to the lifting mechanism layer by layer, in order to realize the automatic superposition of multilayer tray in the limiting warehouse, in the superposition process, through the limiting warehouse can play the role of limiting, so that the tray after superposition can keep alignment, thereby effectively avoided the tray superposition to higher layer, the gravity center deviates and leads to the tray inclination or collapse, through the lifting mechanism can move the lifting plate to the limiting warehouse and make the lifting plate with the height of material guide mouth level, with tray stack to the lifting plate layer by layer, can slowly reduce the height of lifting plate, to ensure that every superposition one layer tray, the tray bottom surface height located in the upper layer is even with the tray top surface height located in the lower layer, thereby can effectively avoid the external force impact caused by gravitational potential when the upper layer tray is stacked from high to the lower layer tray, and lead to the tray collision and wear, through the cleaning mechanism can clean the surface of tray before superposition, to effectively remove the hard particles (such as metal scrap, sandstone) or stain remaining on the surface of tray, so as to prevent the tray from being scratched or even deformed due to hard particles or stain when stacking, and the above solves the problems in the background art.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a tray superposition structure, including the base, install lifting mechanism on the base, and the top of base is fixedly connected with the support station, the side of support station near lifting mechanism is fixedly connected with the limiting warehouse, the limiting warehouse is square, and the side of limiting warehouse near support station is equipped with the material guide mouth, the top of material guide mouth is provided with the fixed plate, the fixed plate is fixedly connected in the outer wall of limiting warehouse, and install cleaning mechanism on the fixed plate, the top of support station is fixedly connected with two pairs of roller frame, install feeding mechanism on two pairs of roller frame.

[0007] The lifting mechanism includes a hydraulic cylinder, the hydraulic cylinder is installed on the base, and the output shaft top end is fixedly connected with the lifting plate;

[0008] The cleaning mechanism includes an electric telescopic rod, the electric telescopic rod is installed on the fixed plate, the output shaft bottom end is fixedly connected with the mounting seat, the mounting seat is installed with the cleaning block, and a layer of cleaning brush is arranged on the bottom surface of cleaning block;

[0009] The feeding mechanism includes a motor and a driven roller, the motor is installed on one pair of roller frames, the output shaft is installed with the driving roller, the driving roller is located between one pair of roller frames, the driven roller is located between the other pair of roller frames, and a through hole is formed in the center, the roller shaft is inserted into the through hole, the both ends of roller shaft are installed on the corresponding roller frame through the bearing, the height of driving roller and driven roller is even, and the feeding belt is transmissionally connected between the driving roller and the driven roller.

[0010] Further, the material guide is rectangular, the bottom surface height is flush with the top surface height of the support table, and the two sides of the material guide are provided with guide plates, one end of the guide plate is fixedly connected to the outer wall of the limiting bin, the other end is inclined, and the distance between the guide plates corresponds to the length of the material guide.

[0011] Further, the limiting bin is fixedly connected with reinforcing blocks on the two outer walls, the reinforcing blocks are triangular, and one side is fixedly connected to the side wall of the support table.

[0012] Further, the lifting plate is rectangular and located directly below the limiting bin, and the length and width of the lifting plate correspond to the length and width of the inner wall of the limiting bin.

[0013] Further, the top surface of the lifting plate is provided with a plurality of anti-skid pads, the anti-skid pads are long strips and are linearly distributed at equal distances along the length direction of the lifting plate, and the surface of the anti-skid pad is provided with a chevron-shaped anti-skid pattern.

[0014] Further, the side wall of the lifting plate is fixedly connected with a plurality of stop blocks, the stop blocks are long strips and are symmetrically distributed, and the surface of the stop block is provided with a buffer strip, the surface of the buffer strip is arc-shaped, the inner wall of the limiting bin is provided with a plurality of clamping grooves, the number of the clamping grooves corresponds to the number of the stop blocks, and the groove length and groove width correspond to the width and thickness of the stop blocks, respectively, and the center of each clamping groove corresponds to the center of each stop block.

[0015] Further, the top of the cleaning block is fixedly connected with a pair of threaded studs, the threaded studs are threadedly connected with nuts matched therewith, a pair of mounting holes are formed in the mounting seat, the hole diameter of the mounting hole corresponds to the diameter of the threaded stud, and the center of each mounting hole corresponds to the center of each threaded stud.

[0016] The utility model discloses relative to prior art includes the following beneficial effects:

[0017] (1) a tray stacking structure in the utility model in use, through the feeding mechanism, the tray can be guided into the limiting bin, and is stacked on the lifting mechanism layer by layer, so that the automatic stacking of the multiple layers of trays in the limiting bin is realized, in the stacking process, the limiting bin can play a limiting role, so that the stacked trays can be kept in alignment, thereby effectively avoiding the inclination or collapse of the tray caused by the shift of the center of gravity when the tray is stacked to a high number of layers.

[0018] (2) The tray stacking structure in the utility model is used, the lifting plate can be moved into the limiting bin and the height of the lifting plate and the material guiding opening is flush through the lifting mechanism, with the tray stacked layer by layer on the lifting plate, the height of the lifting plate can be slowly lowered, so that the height of the bottom surface of the tray in the upper layer is flush with the height of the top surface of the tray in the lower layer when each layer of tray is stacked, thereby effectively avoiding the collision and abrasion of the tray caused by the external force impact due to the gravitational potential when the upper tray is stacked on the lower tray from a high place;

[0019] (3) The tray stacking structure in the utility model is used, the surface of the tray can be cleaned before stacking through the cleaning mechanism, so that the hard particles (such as metal scraps, sand) or stains remaining on the surface of the tray are effectively removed, thereby preventing the surface of the tray from being scratched or even deformed due to the hard particles or stains when the tray is stacked.

[0020] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is a structure schematic view of the tray stacking structure of the utility model;

[0023] Figure 2 It is a structure schematic view of the base and the limiting bin in the utility model;

[0024] Figure 3 It is a top view of the base and the limiting bin in the utility model;

[0025] Figure 4 It is a structure schematic view of the feeding mechanism in the utility model;

[0026] Figure 5 It is a structure schematic view of the lifting mechanism in the utility model;

[0027] Figure 6 It is a structure schematic view of the mounting seat in the utility model;

[0028] Figure 7 It is a structure schematic view of the cleaning block in the utility model.

[0029] In the drawings, the component list represented by each sign is as follows:

[0030] 1, base; 2, support table; 3, limit bin; 4, guide inlet; 5, fixed plate; 6, roller frame; 7, hydraulic cylinder; 8, lifting plate; 9, electric telescopic rod; 10, mounting seat; 11, cleaning block; 12, cleaning brush; 13, motor; 14, driven roller; 15, driving roller; 16, roller shaft; 17, feeding belt; 18, guide plate; 19, reinforcing block; 20, non-slip pad; 21, stop block; 22, buffer strip; 23, clamping groove; 24, stud; 25, nut; 26, mounting hole. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] In the description of the utility model, it is understood that the terms "relative", "one end", "internal", "transverse", "end", "two ends", "two sides", "front", "one end surface", "the other end surface" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0033] Please refer to Figures 1-7 The utility model discloses a tray superposition structure, including base 1, the lifting mechanism is installed on base 1, and the top of base 1 is fixedly connected with support table 2, and one side of support table 2 close to lifting mechanism is fixedly connected with limit bin 3, limit bin 3 is square, and one side of limit bin 3 close to support table 2 is equipped with guide inlet 4, and the top of guide inlet 4 is provided with fixed plate 5, and fixed plate 5 is fixedly connected on the outer wall of limit bin 3, and cleaning mechanism is installed on fixed plate 5, and the top of support table 2 is fixedly connected with two pairs of roller frames 6, and the feeding mechanism is installed on two pairs of roller frames 6;

[0034] The lifting mechanism includes hydraulic cylinder 7, and the output shaft top end of hydraulic cylinder 7 is fixedly connected with lifting plate 8, and lifting plate 8 can be driven to move up and down by driving hydraulic cylinder 7, so as to move lifting plate 8 to the inside of limit bin 3;

[0035] The cleaning mechanism comprises an electric telescopic rod 9 mounted on the fixed plate 5, the bottom end of the output shaft of which is fixedly connected with a mounting seat 10, the bottom of the mounting seat 10 is provided with a cleaning block 11, and the bottom surface of the cleaning block 11 is provided with a layer of cleaning brush 12. The driving of the electric telescopic rod 9 can drive the mounting seat 10 and the cleaning block 11 to move up and down together. When the cleaning brush 12 on the bottom surface of the cleaning block 11 contacts the surface of the tray, the surface of the tray can be cleaned by the cleaning brush 12, so as to effectively remove the hard particles (such as metal scraps, sand) or stains remaining on the surface of the tray, thereby preventing the tray from being scratched or even deformed due to hard particles or stains when stacking. The height of the cleaning block 11 can be adjusted according to the thickness of the tray to ensure that the cleaning brush 12 can always contact the surface of the tray.

[0036] The feeding mechanism comprises a motor 13 and a driven roller 14. The motor 13 is mounted on one of the pair of roller frames 6, and a driving roller 15 is mounted on the output shaft of the motor 13. The driving roller 15 is located between the one pair of roller frames 6. The driven roller 14 is located between the other pair of roller frames 6, and a through hole is formed in the center of the driven roller 14. A roller shaft 16 is inserted into the through hole. The two ends of the roller shaft 16 are respectively mounted on the corresponding roller frame 6 through bearings. The height of the driving roller 15 is flush with that of the driven roller 14. A feeding belt 17 is transmissionally connected between the driving roller 15 and the driven roller 14. The feeding belt 17 can place the trays to be stacked. At this time, the driving of the motor 13 can drive the driving roller 15 to rotate. When the driving roller 15 rotates, it can drive the feeding belt 17 and the driven roller 14 to rotate, so as to transfer the trays to the limiting bin 3, and guide them into the limiting bin 3 through the guide inlet 4. After the trays enter the limiting bin 3, they can fall on the lifting plate 8 layer by layer, so as to complete the automatic stacking of the trays in the limiting bin 3. During the stacking process, the limiting bin 3 can limit the position, so that the stacked trays can be aligned, thereby effectively preventing the trays from tilting or collapsing due to the shift of the center of gravity when the trays are stacked to a high level.

[0037] The guide inlet 4 is rectangular, and the height of the bottom surface is flush with the height of the top surface of the supporting table 2. Guide plates 18 are arranged on both sides of the guide inlet 4. One end of the guide plate 18 is fixedly connected to the outer wall of the limiting bin 3, and the other end is inclined. The distance between the guide plates 18 corresponds to the length of the guide inlet 4. When the trays are guided into the limiting bin 3 by the feeding mechanism, the guide plates 18 can be arranged on both sides of the feeding belt 17 to guide and limit the trays, thereby effectively preventing the trays from falling off the feeding belt 17 due to deviation during feeding, and ensuring that the trays can accurately enter the limiting bin 3 along the guide inlet 4.

[0038] The two side outer walls of the limiting bin 3 are fixedly connected with reinforcing blocks 19, the reinforcing blocks 19 are triangular, one side of the reinforcing blocks 19 is fixedly connected with the side wall of the supporting table 2, the limiting bin 3 can be supported and reinforced through the reinforcing blocks 19, so that the stability of the limiting bin 3 is improved, and the loosening and deformation of the limiting bin 3 are prevented, so that the stacking of the tray is affected.

[0039] The lifting plate 8 is rectangular and located directly below the limiting bin 3, and the length and width of the lifting plate 8 correspond to and are equal to the length and width of the inner wall of the limiting bin 3, the lifting plate 8 can be driven to move up and down along the inner wall of the limiting bin 3 through the driving hydraulic cylinder 7, when the tray is stacked, the lifting plate 8 can be moved into the limiting bin 3 and the height of the lifting plate 8 is flush with the height of the material guide opening 4, as the tray is stacked layer by layer on the lifting plate 8, the height of the lifting plate 8 can be slowly lowered, so that the height of the bottom surface of the upper tray is flush with the height of the top surface of the lower tray when each layer of tray is stacked, so that the collision and wear of the tray caused by the external force impact generated by the gravitational potential when the upper tray is stacked on the lower tray from a high place can be effectively avoided.

[0040] The top surface of the lifting plate 8 is provided with a plurality of anti-skid pads 20, the anti-skid pads 20 are long strips and are linearly distributed at equal distances along the length direction of the lifting plate 8, and the surface of the anti-skid pad 20 is provided with a chevron-shaped anti-skid pattern, the anti-skid pad 20 can be made of elastic materials such as rubber and is fixed by adhesives, the anti-skid pattern on the surface of each anti-skid pad 20 can increase the friction between the bottom tray and the lifting plate 8, so as to play an anti-skid role, so that the stability of the stacked tray can be effectively prevented from being affected by the slipping and displacement of the bottom tray.

[0041] The side wall of the lifting plate 8 is fixedly connected with a plurality of stop blocks 21, the stop blocks 21 are long strips and are symmetrically distributed, and the surface of the stop block 21 is provided with a buffer strip 22, the surface of the buffer strip 22 is arc-shaped, the buffer strip 22 can be made of elastic materials such as sponge and is fixed by adhesives, the inner wall of the limiting bin 3 is provided with a plurality of clamping grooves 23, the number of the clamping grooves 23 is the same as that of the stop blocks 21, the groove length and the groove width of the clamping grooves 23 correspond to and are equal to the width and the thickness of the stop blocks 21, respectively, and the center of each clamping groove 23 corresponds to the center of each stop block 21, when the lifting plate 8 moves into the limiting bin 3, each stop block 21 can be aligned and attached in the corresponding clamping groove 23, when the tray enters the limiting bin 3 and is stacked layer by layer on the lifting plate 8, the buffer strip 22 can play a role of energy absorption and buffering, so as to prevent the surface of the tray from being worn due to collision during the stacking process.

[0042] The top of the cleaning block 11 is fixedly connected with a pair of studs 24, nuts 25 matched with the studs 24 are threadedly connected on the studs 24, a pair of mounting holes 26 are formed on the mounting seat 10, the diameters of the mounting holes 26 correspond to the diameters of the studs 24, the centers of the mounting holes 26 and the centers of the studs 24 one-to-one correspond, each stud 24 can be aligned and pass through the corresponding mounting hole 26, at this time, the nuts 25 are threadedly connected on the studs 24 and are tightened, the cleaning block 11 can be fixedly installed on the mounting seat 10 through the mutual cooperation of the studs 24, the mounting holes 26 and the nuts 25, when the cleaning block 11 is used for a long time, the cleaning block 11 can be disassembled from the mounting seat 10 by rotating the nuts 25, so that the cleaning brush 12 can be regularly cleaned.

[0043] The circuit, electronic components and chip modules involved in the utility model are all prior art, and can be realized by those skilled in the art without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0044] The standard parts used in the application file can be purchased from the market, all the components in the application file can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt conventional types in the prior art, the electrical components in the text are electrically connected with the main controller and the power supply, and the main controller is a conventional known device that can play a control role.

[0045] The working principle of the utility model is:

[0046] The utility model discloses a drive hydraulic cylinder 7 makes it drive lifting plate 8 to move upwards, until moving lifting plate 8 to the inside of spacing bin 3, then the tray to be stacked is placed on the feeding belt 17, and drive motor 13 makes it drive driving roller 15 rotation, when driving roller 15 rotates, can drive feeding belt 17 together with driven roller 14 rotation, in order to shift tray to spacing bin 3, and through guide hole 4 is introduced to spacing bin 3, in this process, the cleaning brush 12 of cleaning block 11 bottom surface will be contacted with the surface of tray, at this moment, utilize cleaning brush 12 to clean the surface of tray, in order to effectively remove the hard particles (such as metal scrap, sandstone) or stains remaining on the surface of tray, thereby prevent the surface scratch even deformation caused by hard particles or stains when stacking tray, after completing cleaning and entering spacing bin 3, tray can fall on lifting plate 8 layer by layer, in order to complete the automatic stacking work of tray in spacing bin 3, in the stacking process, through spacing bin 3 can play the role of limiting, so that the tray after stacking each layer can keep alignment, thereby effectively avoid the center of gravity deviation and lead to tray tilt or collapse after stacking tray to higher layer, when stacking tray, lifting plate 8 can be moved to spacing bin 3 and make lifting plate 8 with the height of guide hole 4 flush, with tray stacked on lifting plate 8 layer by layer, can slowly reduce the height of lifting plate 8, to ensure that when each tray is stacked, the height of the tray bottom surface in the upper layer is flush with the height of the tray top surface in the lower layer, thereby effectively avoid the impact of external force caused by gravitational potential energy when stacking the upper tray on the lower tray from high, when completing the stacking work of tray, drive hydraulic cylinder 7 makes it drive lifting plate 8 to move downwards, until lifting plate 8 together with the tray after stacking moves to the outside of spacing bin 3, then the tray after stacking can be taken off from lifting plate 8.

[0047] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A pallet superposition structure, characterized by, The base is provided with a lifting mechanism, and the top of the base is fixedly connected with a support table. The lifting mechanism comprises a hydraulic cylinder, which is installed on the base and has an output shaft fixedly connected with a lifting plate at the top end. The cleaning mechanism comprises an electric telescopic rod, which is installed on the fixed plate and has an output shaft fixedly connected with a mounting seat at the bottom end. The feeding mechanism comprises a motor and a driven roller, the motor is installed on one of the roller frames, and the output shaft of the motor is provided with a driving roller.

2. A pallet superposition structure according to claim 1, characterized in that The feeding port is rectangular, and the height of the bottom surface of the feeding port is flush with the top surface of the support table.

3. A pallet superposition structure according to claim 1, characterized in that The two sides of the feeding port are provided with guide plates, one end of the guide plate is fixedly connected to the outer wall of the limiting bin, and the other end is inclined.

4. A pallet superposition structure according to claim 1, characterized in that The two sides of the limiting bin are fixedly connected with reinforcing blocks, and the reinforcing blocks are triangular.

5. A pallet superposition structure according to claim 1, characterized in that The lifting plate is rectangular and located directly below the limiting bin.

6. A pallet superposition structure according to claim 1, characterized in that The top surface of the lifting plate is provided with a plurality of anti-skid pads, which are long strips and linearly distributed along the length direction of the lifting plate.

7. A pallet superposition structure according to claim 1, characterized in that The side wall of the lifting plate is fixedly connected with a plurality of stop blocks, which are long strips and symmetrically distributed. The top of the cleaning block is fixedly connected with a pair of threaded studs, and the threaded studs are threadedly connected with nuts matched therewith. The mounting seat is provided with a pair of mounting holes, and the hole diameter of the mounting hole is equal to the diameter of the threaded stud. The center of each mounting hole and the center of each threaded stud correspond one by one.

Citation Information

Patent Citations

  • Tray stacking mechanism

    CN209796860U