WO2014134845A1

WO2014134845A1 - Packaging device for packaging tabular products

Info

Publication number: WO2014134845A1
Application number: PCT/CN2013/073053
Authority: WO
Inventors: 赵芝霖
Original assignee: 深圳市华星光电技术有限公司
Priority date: 2013-03-05
Filing date: 2013-03-22
Publication date: 2014-09-12
Also published as: CN203111751U

Abstract

Disclosed is a packaging device (1) for packaging tabular products (20). The packaging device comprises a base (10), wherein at least one clamping groove is arranged on the base (10); each clamping groove is used for clamping two tabular products (20) which are placed opposite to each other with smooth surfaces; and each of the clamping grooves is symmetrical. The packaging device (1) can reduce the packaging volume or increase the box body utilization rate, thereby reducing the transportation cost.

Description

Packaging device for packaging plate products

Technical field

The present invention relates to the field of packaging, and in particular to a packaging device for packaging a plate-shaped product such as a liquid crystal module.

Background technique

The length and width of the plate-shaped products (such as liquid crystal modules) are relatively large. The industry often uses the packaging method of assembling the boxes to package the plate-shaped products. The box must have a card slot to separate each product and protect it. effect.

For example, in the field of packaging of liquid crystal modules, the packaging methods currently used in the industry basically include FIG. The vertical and card slot modes are shown to place the liquid crystal modules in the same direction. Figure 2 As shown, in order to prevent collision between two liquid crystal modules during storage and transportation, a certain safety gap must be reserved between each two liquid crystal modules. Therefore, the safety clearance in a single-box product may be higher than the space occupancy of the product itself, resulting in a larger packaging volume of the liquid crystal module and a higher transportation cost. In addition, since one side of the liquid crystal module is uneven due to the provision of many electronic components, the width of each card slot is inconsistent in the length direction thereof, and each card slot is generally asymmetrical, which will It brings a lot of inconvenience to the manufacturing of the packaging device, for example, it increases the number of processes, causes mixing, and the like.

technical problem

The technical problem to be solved by the embodiments of the present invention is to provide a packaging device for packaging a plate-shaped product, which can reduce the packaging volume, reduce the transportation cost, and simplify the production process.

Technical solution

In order to solve the above technical problem, an embodiment of the present invention provides A packaging device for packaging a plate-like product having at least one smooth surface, the packaging device comprising a base, the base being provided with at least one card slot, each of the card slots for engaging two The plate-like product is placed opposite to the smooth surface, and each of the card slots is symmetrical.

The base includes a bottom plate and at least one bottom groove group sequentially disposed on the bottom plate, the bottom groove groups are all parallel to the first direction, and each bottom groove group is disposed parallel to the second direction At least one bottom groove, the first direction is perpendicular to the second direction, and the first direction and the second direction are both parallel to the bottom plate, and the bottom slots on each bottom slot group are in one-to-one correspondence, The corresponding bottom slots of all the bottom slot groups form a card slot.

The base includes a bottom plate and first and second side baffles disposed on the bottom plate, and the opposite sides of the first side baffle and the second side baffle are disposed a slot parallel to the third direction, the third direction is perpendicular to the bottom plate, and the first side baffle is in one-to-one correspondence with the slot on the second side baffle, the first side block The corresponding slots on the board and the second side fence form a card slot.

Wherein, the base further includes a first side baffle and a second side baffle disposed on two sides of the bottom plate, and the opposite sides of the first side baffle and the second side baffle are disposed a slot parallel to the third direction, the third direction is perpendicular to the bottom plate, and the first side fence and the slot on the second side fence are in one-to-one correspondence, the first side block a slot on the board and the second side fence corresponds to a bottom slot on the bottom slot group, a slot on the first side fence, a corresponding bottom slot on all the bottom slot groups, And the corresponding slots on the second side baffle together form a card slot.

Wherein the base further includes a first limiting slot set disposed between the bottom plate and the first side fence and a second limit disposed between the bottom plate and the second side fence a slot group extending from a lower side of the first side fence toward the second side fence, the second limit slot group being from the second side fence The lower portion of the first limiting slot group and the second limiting slot group are disposed with at least one limiting slot parallel to the second direction, where the first limiting slot group and the second limiting slot group are disposed. a limiting slot on the limiting slot group corresponds to the slot on the first side fence, and the limiting slot on the second limiting slot group and the insertion on the second side fence One slot for the slot, a slot on the first side fence, a corresponding limit slot on the first limit slot group, a corresponding bottom slot on all the bottom slot groups, and the second limit slot The corresponding limiting slot on the group and the corresponding slot on the second side fence together form a card slot.

Wherein the packaging device further comprises a cushioning gasket placed between the smooth surfaces of the two sheet products that are engaged in each of the card slots.

Wherein, the packaging device further includes an antistatic bag, and the antistatic bag wraps the two sheet products that are engaged in each of the card slots together.

Wherein, the packaging device further includes an antistatic bag, the antistatic bag, the two sheet products that are engaged in each of the card slots and the one placed between the two plate products The cushioning pads are wrapped together.

Wherein the area of the buffer pad is greater than or equal to the outer dimension of the plate-shaped product.

Wherein, the packaging device further comprises a top cover, the top cover is provided with at least one slot, the slot is in one-to-one correspondence with the card slot on the base, and each slot is used for engaging two The plate-like product with its smooth surface oppositely placed.

In another aspect, the present invention also provides a packaging apparatus for packaging a plate-like product having at least one smooth surface, wherein: the packaging device comprises a base provided with at least one card slot, the base comprising a bottom plate And a first side baffle, a bottom trough group, and a second side baffle disposed on the bottom plate in sequence, the base further comprising a first limit disposed between the bottom plate and the first side baffle a slot group and a second limiting slot group disposed between the bottom plate and the second side fence; the bottom slot group is parallel to the first direction, and each bottom slot group is provided with At least one bottom groove parallel to the two directions, the first direction is perpendicular to the second direction, and the first direction and the second direction are both parallel to the bottom plate, and the bottom groove on each bottom groove group a one-to-one correspondence; a slot parallel to the third direction is disposed on an opposite side of the first side fence and the second side fence, the third direction is perpendicular to the bottom plate, and the first The side baffle and the slot on the second side baffle are in one-to-one correspondence, the first side baffle and the second side The slot on the side fence has a one-to-one correspondence with the bottom slot on the bottom slot group; the first limiting slot group extends from the lower side of the first side fence toward the second side fence. The second limiting slot group extends from the lower side of the second side fence toward the first side fence, and the first limiting slot group and the second limiting slot group are disposed on the second limiting slot group. The at least one limiting slot parallel to the second direction, the limiting slot on the first limiting slot group is in one-to-one correspondence with the slot on the first side fence, and the second limiting slot The limiting slot on the group has a one-to-one correspondence with the slot on the second side fence; the card slot includes a slot on the first side fence, and the corresponding one on the first limiting slot group a limit slot, a corresponding bottom slot on all the bottom slot groups, a corresponding limit slot on the second limit slot group, and a corresponding slot on the second side fence, each slot is used for Engaging two of the plate-like products placed opposite each other with their smooth surfaces, the first side baffle being identical to the second side baffle, the first limit groove set and the second limit Slot group complete phase .

Beneficial effect

The embodiment of the invention has the following beneficial effects: by engaging two plate-shaped products in one card slot, the packaging volume can be reduced, the single-box capacity can be fully utilized, and the transportation cost can be reduced; The smooth surfaces of the plate-like products are placed opposite each other, so as to avoid the damage of the protrusions on the other side of one of the two plate-shaped products of the two plate-shaped products contacting each other due to collision, and to ensure the transportation of the plate-shaped products. Safety, reduce breakage rate and reduce transportation loss; by setting each card slot to a symmetrical structure, the production process can be simplified and mixing can be avoided.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a schematic view of a packaging device of a liquid crystal module in the prior art;

Figure 2 is a schematic view showing a safety gap between liquid crystal modules packaged in the packaging device shown in Figure 1;

3 is a schematic structural view of a packaging device for packaging a plate-shaped product (for example, a liquid crystal module) according to an embodiment of the present invention;

Figure 4 is a schematic view showing the placement of a cushion gasket between two adjacent plate-like products in the embodiment shown in Figure 3;

FIG. 5 is a schematic diagram of an antistatic bag according to another embodiment of the present invention; FIG.

6 is a schematic view of a plate-shaped product (for example, a liquid crystal module) provided by the present invention;

Figure 7 is a schematic view showing the slot width of the card slot of the prior art packaging device;

Figure 8 is a schematic view showing the slot width of the card slot of the packaging device shown in Figure 3;

Figure 9 is an exploded perspective view of the base of the packaging device shown in Figure 3.

Embodiments of the invention

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 3, it is a schematic structural view of a packaging device 1 for packaging a plate-shaped product according to an embodiment of the present invention. Packing device 1 For comprising a plate-like product 20 having at least one smooth surface, the packaging device 1 comprises a base 10, a base 10 At least one card slot is provided, and each of the card slots can be used to engage two plate-like products 20 which are placed opposite each other with their smooth surfaces, and each of the card slots is symmetrical. Specifically, the width of each card slot is slightly larger than two plate products 20 The combined width. The plate product 20 It can be a liquid crystal module, a solar glass panel, etc., and such a product usually has a smooth surface, and the other surface needs to be provided with various components, interfaces, circuits, etc., and therefore is generally uneven. Therefore, when packaging, these two plate products can be The smooth surfaces of 20 are placed opposite each other, which helps to reduce the separation distance between the two plate-like products 20 and reduce the overall volume after packaging. In addition, in the placement of two plate products 20 (for example, a liquid crystal module), the two plate products can be made 20 The width of the whole formed after the combination is symmetrical, so that the width of each of the slots can be made symmetrical during production, which simplifies the production process and avoids mixing.

In this example, the packaging method for packaging the sheet product 20 into the packaging device 1 includes: two plate products 20 The smooth surfaces are placed opposite each other; the two plate-like products 20 are snapped into a card slot on a base 10.

The packaging device for the plate-shaped product provided by the embodiment of the invention can reduce the packaging volume by fully engaging the two plate-shaped products in one card slot, fully utilize the capacity of the single box, and reduce the transportation cost; The smooth surfaces of the two plate-shaped products are placed opposite each other, so as to avoid the damage of the other plate-shaped product on the other side of the two plate-shaped products of the two plate-shaped products contacting each other, and the plate-shaped product is ensured. The transportation safety, reduce the breakage rate and reduce the transportation loss; by setting each card slot to a symmetrical structure, the production process can be simplified and the mixing can be avoided.

In a preferred embodiment, as shown in Figures 3 and 4, the packaging device 1 further includes a cushioning pad 11, the cushioning pad 11 Place between the smooth surfaces of the two plate-like products 20 that fit in each card slot. Wherein, the cushioning pad 11 may be made of elastically expandable polyethylene or ethylene - Made of foamed materials such as vinyl acetate copolymer. By placing a buffer gasket between two adjacent plate-shaped products in the same card slot, collision between the plate-shaped products in the same card slot can be avoided, the transportation of the plate-shaped product can be ensured, the damage rate can be reduced, and the reduction rate can be reduced. Transportation loss.

In this example, the packaging method for packaging the sheet product 20 into the packaging device 1 includes: two plate products 20 The smooth surfaces are placed opposite each other; a cushioning pad 11 is inserted between the smooth surfaces of the two plate-like products 20; the two plate-like products 20 and the place between the two plate-like products 20 are placed Buffer gasket 11 Commonly snapped into a card slot on a base 10.

Specifically, as shown in FIG. 4, for example, a plate product 20 For the liquid crystal module, since the front surface of the liquid crystal module is usually a liquid crystal glass and a frame, it is basically a completely smooth surface, and the back surface of the liquid crystal module is usually provided with some components and interfaces, etc., which are basically uneven, therefore, Usually two LCD modules The front side of the 20 is placed opposite to each other, and the buffer pad 11 is inserted in the middle to the two liquid crystal modules 20 Insert a card slot into a unit. For the liquid crystal module, since the front surface is smooth and more susceptible to damage, the front surface of the liquid crystal module can be attached to the buffer pad to more effectively avoid collision and reduce transportation loss.

In another preferred embodiment, as shown in Figure 4, the area of the cushioning pad 11 is greater than or equal to the plate-like product 20 The outer dimensions thus completely separate the two adjacent panel products 20.

In another preferred embodiment, as shown in FIG. 5, the packaging device 1 further includes an antistatic bag 12, and the antistatic bag 12 Two plate-like products 20 that are engaged in each of the card slots are wrapped together with a cushioning pad 11 placed between the two plate-like products 20. The plate-shaped product can be effectively prevented by putting on the anti-static bag 12 Electrostatic effects (such as liquid crystal modules) create a safe transport and storage.

In this example, the packaging method for packaging the sheet product 20 into the packaging device 1 includes: two plate products 20 The smooth surfaces are placed opposite each other; a cushioning pad 11 is inserted between the smooth surfaces of the two plate-like products 20; the two plate-like products 20 and the place between the two plate-like products 20 are placed Buffer gasket 11 collectively disposed in an antistatic bag 12; an antistatic bag 12 to which the two plate-like products 20 and the cushioning pad 11 between the two plate-like products 20 are to be mounted 12 The card is snapped into a card slot on a base.

In one embodiment, as shown in FIG. 9, the base 10 may include a bottom plate G and a bottom plate G in sequence. At least one bottom slot group C and the bottom slot group C are parallel to the first direction, and each bottom slot group C Having at least one bottom groove parallel to the second direction, the first direction is perpendicular to the second direction, and the first direction and the second direction are both parallel to the bottom plate G, and the bottom groove on each of the bottom groove groups C corresponds one-to-one , all bottom slot groups C The corresponding bottom slot forms a card slot.

In another embodiment, as shown in FIG. 9, the base 10 may further include a bottom plate G and a bottom plate G in sequence. The first side baffle A and the second side baffle E on the upper side of the first side baffle A and the second side baffle E are provided with slots parallel to the third direction, the third direction and the bottom plate G Vertical, and the first side fence A One-to-one correspondence with the slots on the second side fence E, the corresponding slots on the first side fence A and the second side fence E constitute a card slot.

In a more preferred embodiment, as shown in FIG. 9, the base 10 can be provided with a bottom plate G and sequentially disposed on the bottom plate G. The upper side baffle A, the at least one bottom trough group C and the second side baffle E, the opposite sides of the first side baffle A and the second side baffle E are provided with slots parallel to the third direction , the third direction and the bottom plate G Vertical, and the slots on the first side fence A and the second side fence E correspond one-to-one, the slots on the first side fence A and the second side fence E and the bottom slot on the bottom slot group C One-to-one correspondence, the first side fence A The upper slot, the corresponding bottom slot on all the bottom slot groups C, and the corresponding slots on the second side fence E together form a card slot. More preferably, the base 10 may further include a bottom plate G and a first side fence a first limit slot group B between A and a second limit slot group D disposed between the bottom plate G and the second side fence E, the first limit slot group B is from below the first side fence A Second side fence E The direction of the second limiting slot group D extends from the lower side of the second side fence E toward the first side fence A, the first limiting slot group B and the second limiting slot group D At least one limiting slot parallel to the second direction is disposed, and the limiting slot on the first limiting slot group B corresponds to the slot on the first side fence A, and the second limiting slot group D is Limiting groove and second side fence E One slot for the upper slot, one slot on the first side fence A, the corresponding limit slot on the first limit slot group B, the corresponding bottom slot on all the bottom slot groups C, and the second limit slot Group D The corresponding limit slot and the corresponding slot on the second side fence E together form a card slot.

In addition, as shown in FIG. 9, the first limit slot group B and the second limit slot group D It is cut laterally (along the second direction). In order to better define the position of the plate-like product 20 and avoid lateral movement of the plate-like product 20 in the packaging device 1, the base 10 may further comprise two limiting members F. And respectively disposed outside the first limiting slot group B and the second limiting slot group D, and both are perpendicular to the bottom plate G, and are used for closing the outer opening of the limiting slot.

As shown in FIG. 6, the 28-inch liquid crystal module of the plate-shaped product 20 is taken as an example, and includes a first end portion facing in opposite directions. 201 and second end portion 202, wherein the first end portion 201 has a thickness W1 and the second end portion 202 has a thickness W2, and W1 and W2 are not equal. That is, as shown in Figure 7 As shown, the width of the left and right ends of the card slot on the base of the matching packaging device is also consistent with the width of the liquid crystal module 20, that is, the widths of the left and right ends of the card slot are substantially W1 and W2, respectively. But, usually, The difference between W1 and W2 is small and almost indistinguishable to the naked eye.

As shown in Figure 9, A and E, B and D have the same outer diameter, the only difference is that they are set in A and E. The width of the upper slot is different, and the width of the bottom slot set on B and D is different, and this difference is extremely difficult to distinguish, so it is often confused when assembling the base 10, causing mixing, resulting in Base 10 The production process is time consuming and laborious.

Therefore, as shown in FIG. 4, the first end portion 201 of one of the liquid crystal modules 20 in the same card slot and the other liquid crystal module 20 The second end portion 202 is on the same side, and the first end portion 201 and the second end portion 202 are perpendicular to the card slots, respectively. Thus, two liquid crystal modules 20 in the same card slot The thickness of one unit formed is substantially symmetrical, so as shown in Fig. 8, the slot of the mounting device 1 can be set to the left and right widths, that is, the widths of the slots on A and E shown in Fig. 9 are the same. , B The width of the bottom slot on D is the same, therefore, A and E, B and D Can be set to the same material, avoid mixing in the production process, reducing the difficulty of production, saving manpower and material resources. Of course, when the plate-shaped product is a product other than the liquid crystal module, it can also be installed in the above manner, so that the card slots are wide and wide to form a symmetrical structure.

Among them, A, B, C, D, E, F, G The other portions may be made of a foamed material such as an elastic expandable polyethylene or an ethylene-vinyl acetate copolymer.

Those skilled in the art should understand that in order to better fix the plate-shaped product (such as the liquid crystal module) and avoid collision due to displacement during transportation, in other embodiments of the present invention, in addition to the base 10, the packaging Device 1 A top cover may be further included, and at least one slot is disposed in the top cover, the slot is in one-to-one correspondence with the slot on the base 10, and each slot is used for engaging two of them to be placed opposite to each other with a smooth surface thereof The plate product 20 . Place the plate product 20 on the base 10 After that, the top cover is covered, so that each of the two plate-shaped products placed on the smooth surface is respectively engaged into each of the slots of the top cover. The structure of the top cover and the base is substantially the same except that the width of the top cover is different from the corresponding position of the base card slot due to the difference in thickness between the top end and the bottom end of the plate product.

By implementing the packaging device and packaging method of the plate-shaped product provided by the present invention, a 28-inch LCD module is taken as an example, and the original shipping outer box is 8 pieces/ The box can now be shipped in 12 cases per carton and the load utilization rate is increased by 50%. In addition, the amount of anti-static bag used has been reduced from 1 piece/bag to 2 pieces/bag, saving material.

The above disclosure is only a preferred embodiment of the present invention, and of course, the scope of the present invention is not limited thereto, and those skilled in the art can understand all or part of the process of implementing the above embodiments, and according to the present invention. The equivalent changes required are still within the scope of the invention.

Claims

1 a packaging device for packaging a plate-like product having at least one smooth surface, wherein: the packaging device comprises a base, the base is provided with at least one card slot, and each card slot is used for engaging two The plate-like products are placed opposite each other with their smooth surfaces, and each of the card slots is symmetrical.

2, as claimed in claim 1 The packaging device, wherein the base comprises a bottom plate and at least one bottom groove group sequentially disposed on the bottom plate, the bottom groove groups are all parallel to the first direction, and each bottom groove group is provided At least one bottom groove parallel to the second direction, the first direction being perpendicular to the second direction, and the first direction and the second direction are both parallel to the bottom plate, each of the bottom groove groups The bottom slots correspond one-to-one, and the corresponding bottom slots of all the bottom slot groups form a card slot.

3, as claimed in claim 1 The packaging device, wherein the base comprises a bottom plate and a first side fence and a second side fence, which are sequentially disposed on the bottom plate, the first side fence and the second side fence a slot parallel to the third direction is disposed on the opposite side, the third direction is perpendicular to the bottom plate, and the first side fence is in one-to-one correspondence with the slot on the second side fence. The corresponding slots on the first side fence and the second side fence form a card slot.

4, as claimed in claim 2 The packaging device, wherein the base further includes a first side fence and a second side fence disposed on two sides of the bottom plate, the first side fence and the second side fence a slot parallel to the third direction is disposed on the opposite side, the third direction is perpendicular to the bottom plate, and the first side fence and the slot on the second side fence are in one-to-one correspondence. The slots on the first side fence and the second side fence are in one-to-one correspondence with the bottom slots on the bottom slot group, and one slot and all the bottom slot groups on the first side fence The corresponding bottom slot and the corresponding slot on the second side fence together form a card slot.

5, as in claim 4 The packaging device, wherein the base further includes a first limiting slot group disposed between the bottom plate and the first side fence, and the bottom plate and the second side fence disposed at the bottom plate a second limiting slot group extending from a lower side of the first side fence toward the second side fence, the second limiting slot group being a lower side of the second side fence extends toward the first side fence, and the first limiting slot group and the second limiting slot group are provided with at least one limit parallel to the second direction a slot, the slot on the first slot group is in one-to-one correspondence with the slot on the first side fence, the limiting slot on the second limiting slot group and the second slot One slot of the slot on the side baffle, a slot on the first side baffle, a corresponding limit slot on the first slot set, and a corresponding bottom slot on all the bottom slot sets The corresponding limiting slot on the second limiting slot group and the corresponding slot on the second side fence jointly form a card slot.

6. According to claim 1 The packaging device, wherein the packaging device further comprises a cushioning gasket placed between the smooth surfaces of the two sheet products that are engaged in each of the card slots.

7. Claims 1 The packaging device, wherein the packaging device further comprises an antistatic bag, and the antistatic bag wraps the two sheet products that are engaged in each of the card slots together.

8. According to claim 6 The packaging device, wherein the packaging device further comprises an antistatic bag, and the antistatic bag places the two sheet products engaged in each of the card slots in the two plate shapes The cushioning gasket between the products is wrapped together.

9. A packaging device according to claim 6 wherein the area of the cushioning pad is greater than or equal to the outer dimension of the sheet product.

10, as claimed in claim 1 The packaging device, wherein the packaging device further comprises a top cover, the top cover is provided with at least one slot, the slot is corresponding to the card slot on the base, and each slot is used The two plate-shaped products placed opposite each other with their smooth surfaces are engaged.

11 a packaging device for packaging a plate-like product having at least one smooth surface, wherein: the packaging device comprises a base provided with at least one card slot, the base comprising a bottom plate and sequentially disposed on the bottom plate a first side baffle, a bottom trough group, a second side baffle, the base further comprising a first limit slot set disposed between the bottom plate and the first side baffle and disposed in the a second limiting slot group between the bottom plate and the second side baffle; the bottom slot group is parallel to the first direction, and each bottom slot group is provided with at least one bottom slot parallel to the second direction The first direction is perpendicular to the second direction, and the first direction and the second direction are both parallel to the bottom plate, and the bottom slots on each bottom slot group are in one-to-one correspondence; a slot parallel to the third direction, the third direction being perpendicular to the bottom plate, and the first side fence and the second side are disposed on opposite sides of the side fence and the second side fence One-to-one correspondence of the slots on the side fences, the slots on the first side fence and the second side fence and the bottom The bottom slot on the slot group has a one-to-one correspondence; the first limit slot group extends from the lower side of the first side fence toward the second side fence, and the second limit slot group is from the a lower side of the second side fence extends toward the first side fence, and the first limiting slot group and the second limiting slot group are provided with at least one limit parallel to the second direction a slot, the slot on the first slot group is in one-to-one correspondence with the slot on the first side fence, the limiting slot on the second limiting slot group and the second slot The slot on the side baffle has a one-to-one correspondence; the card slot includes a slot on the first side baffle, a corresponding limit slot on the first limit slot group, and corresponding on all the bottom slot groups a bottom slot, a corresponding limiting slot on the second limiting slot group, and a corresponding slot on the second side fence, each card slot for engaging two of the opposite surfaces with their smooth surfaces In the plate-shaped product, the first side baffle is identical to the second side baffle, and the first limit groove set and the second limit groove set are identical.

12, as in claim 11 The packaging device, wherein the packaging device further comprises a cushioning gasket placed between the smooth surfaces of the two sheet products that are engaged in each of the card slots.

13 as in claim 11 The packaging device, wherein the packaging device further comprises an antistatic bag, and the antistatic bag wraps the two sheet products that are engaged in each of the card slots together.

14 as claimed in claim 12 The packaging device, wherein the packaging device further comprises an antistatic bag, and the antistatic bag places the two sheet products engaged in each of the card slots in the two plate shapes The cushioning gasket between the products is wrapped together.

15 as claimed in claim 12 The packaging device, wherein an area of the cushioning pad is greater than or equal to an outer dimension of the plate-shaped product.