CN114408337A

CN114408337A - Transport tray

Info

Publication number: CN114408337A
Application number: CN202210193745.9A
Authority: CN
Inventors: 周世新
Original assignee: TCL China Star Optoelectronics Technology Co Ltd
Current assignee: TCL China Star Optoelectronics Technology Co Ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-04-29

Abstract

The invention provides a transport tray, which is provided with a front surface and a back surface, wherein the front surface of the transport tray is used for placing objects to be transported. The transportation tray includes strengthening rib slot and magnet device, the strengthening rib slot set up in the transportation tray the back, the magnet device set up in the strengthening rib slot is interior. Wherein a plurality of the transportation trays are stacked, and the magnet devices in two adjacent transportation trays repel each other. When a plurality of transport trays are stacked and placed, the magnet devices in two adjacent transport trays repel each other, so that the transport trays above the objects to be transported are prevented from impacting or wearing the objects to be transported by adjusting the repelling force.

Description

Transport tray

Technical Field

The invention relates to the field of display manufacturing processes, in particular to a transport tray.

Background

Micro-LEDs have developed into one of the hot spots of future display technologies, and compared with current LCD and OLED display devices, have the advantages of fast response, high color gamut, high PPI, low energy consumption, and the like. However, the technology has many difficulties and is complex, and especially the key huge transfer technology and the miniaturization of LED particles become the technological bottlenecks. The Mini-LED is used as a product for combining the Micro-LED with the back plate, has the characteristics of high contrast, high color rendering performance and the like which are comparable to those of the OLED, the cost of the LCD is slightly higher, the cost is only about six of that of the OLED, and the implementation is easier compared with that of the Micro-LED and the OLED, so that the Mini-LED becomes a layout hotspot of various large panel manufacturers.

Because the glass-based Mini-LED is still in the stage of exploration and development, the connection between the two processes is usually performed by air transportation and then by land transportation, which increases the requirement and difficulty for packaging the glass substrate (the glass substrate is provided with a film layer with a certain pattern) whose process is not completed. Because the transportation pallet impacts and damages the thin film layer or the soft/brittle film layer on the glass substrate during the re-transportation process.

Therefore, how to reduce or avoid the damage of the tray to the transported object in the transportation process is a problem to be solved urgently at present.

Disclosure of Invention

The invention aims to provide a transportation tray, aiming at avoiding the damage to objects to be transported in the transportation process of the transportation tray.

The invention provides a transport tray, the transport tray has a front side and a back side, the front side of the transport tray is used for placing objects to be transported, the transport tray comprises:

a stiffener groove disposed on the back side of the transport tray;

the magnet device is arranged in the reinforcing rib groove;

wherein a plurality of the transportation trays are stacked, and the magnet devices in two adjacent transportation trays repel each other.

Further, the shipping tray includes a central region and an edge region located around the central region, the magnet arrangement having a thickness in the central region that is greater than a thickness in the edge region.

Further, the thickness of the magnet device is smaller than or equal to the depth of the reinforcing rib groove.

Further, the reinforcing rib grooves comprise a plurality of rice-shaped grooves distributed on the transportation tray.

Further, the magnet device has a positive electrode and a negative electrode, and the positive electrode and the negative electrode are arranged in a stacking direction of the plurality of transport trays.

Further, the same magnetic poles of the magnet devices in two adjacent transport trays are oppositely arranged.

Further, the shipping pallet further comprises:

and the magnet device is fixed in the reinforcing rib groove by the pyrolytic gel.

Furthermore, the front surface and the back surface of the two adjacent transport trays are clamped and fixed.

Further, the shipping pallet further comprises:

the sponge strip is arranged on the back face of the transportation tray and located on the periphery of the reinforcing rib groove.

Further, the object to be transported includes a glass substrate.

The invention has the beneficial effects that: a shipping tray is provided having a front side and a back side, the front side of the shipping tray being for placement of items to be shipped. The transportation tray includes strengthening rib slot and magnet device, the strengthening rib slot set up in the transportation tray the back, the magnet device set up in the strengthening rib slot is interior. Wherein a plurality of the transportation trays are stacked, and the magnet devices in two adjacent transportation trays repel each other. When a plurality of transport trays are stacked and placed, the magnet devices in two adjacent transport trays repel each other, so that the transport trays above the objects to be transported are prevented from impacting or wearing the objects to be transported by adjusting the repelling force.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.

FIG. 1 is a first schematic structural diagram of a transport tray provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a transportation tray provided in the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a shipping pallet provided in accordance with an embodiment of the present invention;

FIG. 4 is a first schematic view of a package structure of a shipping pallet provided in an embodiment of the present invention;

fig. 5 is a schematic view of a packaging structure of a transportation tray provided in an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

Referring to fig. 1 and fig. 2, fig. 1 is a first structural schematic diagram of a transportation tray provided in an embodiment of the present invention, and fig. 2 is a second structural schematic diagram of a transportation tray provided in an embodiment of the present invention. Fig. 1 and 2 are perspective views each illustrating a plurality of transport trays 10 stacked one on another.

The transport tray 10 has a front surface 11 and a back surface 12, and the front surface 11 of the transport tray 10 is used for placing the object to be transported, so that the front surface 11 of the transport tray 10 can form a receiving groove for receiving the object to be transported. The object to be transported may include a glass substrate on which a thin film layer having a certain pattern is formed, and the thin film layer is generally made of a soft material or a brittle material. The glass substrate can be used for various display panels, such as Micro-LEDs, LCDs, OLEDs and Mini-LEDs.

The material of the shipping pallet 10 may be polyester resin, which is chemically known as Polyethylene terephthalate (PET). PET has good mechanical properties as a packaging material, the impact strength is 3-5 times that of other films, and the folding resistance is good. The PET also has excellent high and low temperature resistance, can be used for a long time within the temperature range of 120 ℃, can resist high temperature of 150 ℃ in short time, can resist low temperature of-70 ℃, and has little influence on the mechanical properties of the PET at high and low temperatures. And PET has low gas and water vapor permeability, namely has excellent gas barrier, water, oil and peculiar smell properties.

The back 12 of the shipping tray 10 is formed with stiffener grooves 121, and the stiffener grooves 121 may be formed in an injection molding process to increase the load capacity of the shipping tray 10 and reduce deformation of the shipping tray 10. The pattern of rib grooves 121 may include a plurality of m-shaped grooves 1211 extending across the back 12 of the shipping pallet 10 and a plurality of elongated grooves located between the plurality of m-shaped grooves 1211. For example, the rib grooves 121 may include six identical m-shaped grooves 1211 that are equally spaced, and elongated grooves that are located between the six m-shaped grooves 1211. Wherein, three rice style of calligraphy slot 1211 is a line, rectangular slot includes the first rectangular slot 1212 that is located between two lines of rice style of calligraphy slots 1211, and is located the rectangular slot 1213 of second that is located between two adjacent rice style of calligraphy slots 1211 in a line rice style of calligraphy slot 1211, the direction of first rectangular slot 1212 is perpendicular to the direction of the rectangular slot 1213 of second. In one embodiment, the width of the first elongate groove 1212 may be greater than the width of the second elongate groove 1213.

In some embodiments, the front surface 11 and the back surface 12 of two adjacent transport trays 10 are fixed in a clamping manner, and specifically, the edge positions of two adjacent transport trays 10 are fixed in a clamping manner, so as to prevent the transport trays 10 from shaking. Under the condition that the transportation tray 10 is not deformed, a certain gap is reserved between the object to be transported placed on the front surface 11 of the transportation tray 10 and the transportation tray 10 above the object to be transported, so that friction between the transportation tray 10 and the object to be transported is avoided.

The inventors have found that the hard shipping pallet 10 may have a certain degree of concavity in its center due to its own weight during the transportation of the air-to-air transportation and then the land transportation, and may be deformed by jolting up and down during the transportation, which may further aggravate the amount of bending deformation. Although there is some clearance between the item to be transported and the back 12 of the transport tray 10, the deformation of the transport tray 10 causes the clearance to be small, and the severe deformation causes the hard bumps and hard contours at the edges of the transport tray 10 to impact or wear the item to be transported thereunder.

In this embodiment, the shipping pallet 10 further includes a magnet assembly 122, and the magnet assembly 122 is disposed in the stiffener groove 121. In some embodiments, the magnet assembly 122 may be disposed in all of the stiffener grooves 121. In other embodiments, some of the bar channels 121 may have the magnet assembly 122 disposed therein, and the remaining bar channels 121 may not have the magnet assembly 122 disposed therein.

The plurality of transport trays 10 are stacked, and the magnet devices 122 in two adjacent transport trays 10 repel each other to avoid the object to be transported from contacting the back 12 of the upper transport tray 10, or can offset the pressure of the upper transport tray 10 on the object to be transported below, so that the object to be transported is prevented from being impacted or worn by the upper transport tray 10 in the transportation process.

Specifically, fig. 1 shows the distribution positions of the magnet devices 122 by gray filling, that is, most of the reinforcing bar grooves 121 are provided with the magnet devices 122, and a few of the reinforcing bar grooves 121 are not provided with the magnet devices 122, for example, the magnet devices 122 arranged around the transport tray 10 are fewer. The distribution or pattern of the magnet assemblies 122 may be set according to the overall stress of the shipping pallet 10, i.e., the magnet assemblies 122 are set at locations where the stress is greater and the magnet assemblies 122 are not set at locations where the stress is less. Generally, the stress is greater at the center of the shipping pallet 10 and less at the edge due to gravity and bumpy deformation during shipping.

In other embodiments, the magnet assembly 122 may be disposed in all of the stiffener grooves 121 shown in fig. 1. The shipping tray 10 may include a center region and an edge region around the center region, and the thickness of the magnet device 122 in the center region is greater than that in the edge region (thickness refers to the height in the stacking direction of the shipping tray 10), so that the repulsive force of the center region is greater than that of the edge region. That is, the magnitude of the repulsive force at different positions can be adjusted by adjusting the thickness of the magnet device 122 at different positions, so that the distribution of the repulsive force corresponds to the stress distribution of the transport tray 10 as a whole. Specifically, the transportation tray 10 has the largest center bending deformation and the smallest edge bending deformation, so that when the magnet device 122 is disposed, the center region and the edge region can be designed according to the stress distribution, the thickness of the magnet device 122 in the center region is set to be thicker, and the thickness of the magnet device 122 in the edge region is set to be thinner. In a particular embodiment, the thickness of the magnet assembly 122 may also be gradually increased from the edge region to the center region.

In one embodiment, the transport tray 10 may further include a sponge strip 13, and the sponge strip 13 is disposed on the back surface 12 of the transport tray 10 and located at the periphery of the stiffener groove 121. As shown in fig. 1, two sponge strips 13 are arranged in parallel on two opposite sides of the transport tray 10 to increase the gap between the back 12 of the transport tray 10 and the object to be transported and reduce friction.

Referring to fig. 3, fig. 3 is a schematic cross-sectional structure diagram of a transportation tray according to an embodiment of the present invention.

In the present embodiment, the magnet device 122 has a positive pole N and a negative pole S, which are arranged in the stacking direction of the plurality of transport trays 10 to generate a repulsive force F in the stacking direction to cancel out the pressure between the transport trays 10 and the object to be transported 14. The magnetic device 122 can be made of any conventional ferromagnetic material, such as neodymium iron boron magnetic material, magnetic aerogel, etc.

Wherein the same poles of the magnet devices 122 in two adjacent transport trays 10 are oppositely arranged. Specifically, the positive poles N or the negative poles S of two magnet devices 122 adjacent to each other up and down are opposed to each other to generate a repulsive force F.

Fig. 3 shows two stacked shipping trays 10, wherein the front side 11 of each shipping tray 10 contains one object 14 to be shipped, and the back side 12 of each shipping tray 10 is provided with reinforcing rib grooves 121, and the back side 12 of the shipping tray 10 is opposite to and spaced apart from the object 14 to be shipped. The embodiment utilizes the space of the rib groove 121 to place the magnet device 122, which can not only solve the space but also avoid the abrasion of the transportation tray 10 to the object 14 to be transported during transportation. The thickness of the magnet device 122 is less than or equal to the depth of the stiffener groove 121, so that the magnet device 122 does not protrude out of the stiffener groove 121 to cause abrasion to the object 14 to be transported.

In some embodiments, the magnet assembly 122 may be secured within the stiffener groove 121 by a pyrolytic glue 123. Pyrolysis glue 123 is an ultraviolet curing adhesive that can realize the debonding through heating, and its key feature is: after UV curing, the coating has certain adhesive force on glass, metal, plastic and the like; 2. acid and alkali resistance and solvent resistance, and is suitable for CNC, electroplating, grinding and other processing technologies; 3. heating for degumming without residue and offset printing; 4. meets the requirement of environmental protection, and can be used for treating solid waste after degumming. Therefore, the magnet assembly 122 can be flexibly disassembled and recycled.

In some embodiments, the magnet assembly 122 may be secured within the stiffener groove 121 by hot melt adhesive. The hot melt adhesive is a plastic adhesive, is in a solid state at normal temperature, and can be quickly bonded after being heated and melted. The hot melt adhesive is mainly characterized in that: 1. the bonding is rapid, generally, only tens of seconds or even several seconds are needed from the gluing to the cooling and bonding; 2. the adhesive has wide adhesive range, can be used for adhering a plurality of materials, even the materials which are generally recognized to be difficult to adhere, and particularly can be used for adhering a joint by using a hot melt adhesive to resist bending for more than 105-106 times without cracking; 3. the adhesive can be repeatedly heated and bonded for many times; 4. stable performance and convenient storage and transportation. Therefore, the use of hot melt adhesive for fixation allows the magnet assembly 122 to be flexibly disassembled for recycling.

Referring to fig. 4 and 5, fig. 4 is a first schematic view of a packaging structure of a transport tray provided in an embodiment of the present invention, and fig. 5 is a second schematic view of the packaging structure of the transport tray provided in the embodiment of the present invention.

In the present embodiment, after the plurality of transport trays 10 are stacked, the plurality of transport trays 10 are packed in the first packing box 15, and then the plurality of transport trays 10 with the first packing box 15 are placed in the second packing box 16 to be packed. The first packing box 15 may be made of a hard material, and the second packing box 16 may include a calcium plastic box.

The transportation tray 10 provided by the embodiment of the invention has a front surface 11 and a back surface 12, wherein the front surface 11 of the transportation tray 10 is used for placing an object to be transported 14. The shipping tray 10 includes a stiffener groove 121 and a magnet device 122, the stiffener groove 121 is disposed on the back surface 12 of the shipping tray 10, and the magnet device 122 is disposed in the stiffener groove 121. Wherein a plurality of the transportation trays 10 are stacked, and the magnet devices 122 in two adjacent transportation trays 10 repel each other. Therefore, when a plurality of transport trays 10 are stacked, the magnet devices 122 in two adjacent transport trays 10 repel each other, and the transport trays 10 above the object to be transported 14 can be prevented from impacting or wearing the object to be transported 14 in the transportation process by adjusting the magnitude of the repulsive force F.

The above description of the embodiments is only for helping understanding the technical solution of the present invention and its core idea; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A shipping tray, said shipping tray having a front side and a back side, said front side of said shipping tray being for placement of items to be shipped, said shipping tray comprising:

a stiffener groove disposed on the back side of the transport tray;

the magnet device is arranged in the reinforcing rib groove;

2. A transport tray according to claim 1 wherein the transport tray comprises a central region and an edge region around the central region, the thickness of the magnet means being greater in the central region than in the edge region.

3. A shipping tray according to claim 1 wherein the thickness of said magnet means is less than or equal to the depth of said reinforcing bar channels.

4. The shipping tray of claim 1, wherein the reinforcing grooves comprise a plurality of m-shaped grooves distributed in the shipping tray.

5. The transport tray of claim 1, wherein the magnet device has a positive pole and a negative pole, the positive pole and the negative pole being disposed in a stacking direction of the plurality of transport trays.

6. Transport tray according to claim 5, characterized in that the same poles of the magnet arrangements in two adjacent transport trays are arranged opposite each other.

7. The shipping tray of claim 1, further comprising:

8. The shipping tray of claim 1, wherein said front and back sides of adjacent two of said shipping trays are snap fit.

9. The shipping tray of claim 1, further comprising:

10. The shipping tray of claim 1, wherein said item to be shipped comprises a glass substrate.