CN114313550A

CN114313550A - Shock-absorbing packaging box for automobile part transportation and preparation process thereof

Info

Publication number: CN114313550A
Application number: CN202111625786.2A
Authority: CN
Inventors: 顾玉林
Original assignee: Taicang Tianfeng Industrial Co ltd
Current assignee: Taicang Tianfeng Industrial Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-04-12

Abstract

A shock absorption packing box for transporting automobile parts and a preparation process thereof comprise a protective outer box body, a combined type foam inner body and an internal shock absorption body, wherein the combined type foam inner body is arranged in the protective outer box body, the internal shock absorption body is arranged in the combined type foam inner body, and the automobile parts and parts are arranged in the internal shock absorption body; the protective outer box body comprises a bottom plate, corrugated paper boards, reinforcing plates and a protective outer box cover, wherein the corrugated paper boards are fixedly arranged on the bottom plate, the corrugated paper boards are assembled on the bottom plate to form a box-shaped structure, and the reinforcing plates are arranged at the joint corners of every two adjacent corrugated paper boards. The shock-absorbing packing box for transporting the automobile parts and the preparation process thereof have reasonable structural design, and the packing box has excellent strength and shock-absorbing performance, is easy to disassemble and assemble, improves the reutilization rate of the packing box and has wide application prospect through the triple arrangement of the outer protection box body, the combined type foam inner body and the built-in shock-absorbing body from outside to inside.

Description

Shock-absorbing packaging box for automobile part transportation and preparation process thereof

Technical Field

The invention belongs to the field of packaging boxes, and particularly relates to a shock-absorbing packaging box for automobile part transportation and a preparation process thereof.

Background

With the continuous progress of human society, automobiles are more and more entered into the lives of people, and China has become the first automobile production country and the largest automobile consumption country all over the world. There are many parts of an automobile, and some parts belong to precision parts.

As is known, in general, various parts are transported to a destination and then assembled, and in the transportation process, if the protection measures are not in place, mechanical parts are easily damaged, especially high-precision automobile parts, if the parts are damaged in the transportation process, not only direct economic loss is caused, but also the assembly period is prolonged, and the overall progress is affected.

The shock-absorbing packing box for the transportation of automobile parts in the prior art is characterized in that a foam mold groove is usually placed inside a box body, and the automobile parts are placed inside the box body, so that the shock-absorbing protection effect is achieved. The above design has the following problems: 1. a plurality of products need to be transported, and a plurality of packing boxes are generally stacked up and down, so that the bottom packing box is easy to collapse to cause the damage of the products in the box, and the shock absorption performance is poor; 2. the disassembly and assembly cannot be realized, and the repeated utilization rate is low; 3. the air circulation in the foam structure is high, the flame retardance is low, the heat release of combustion is high, the smoke generation is very serious, the combustion phenomenon of the foam is determined by the chemical structural characteristics of the foam, the stop is not easy, and the potential safety hazard exists. Therefore, it is necessary to develop a shock-absorbing packing box for automobile parts transportation and a preparation process thereof to solve the above problems.

Chinese patent application No. CN209814522U discloses a precision parts machining is with categorised transport case of depositing, the purpose is that the adoption is put the thing board and is formed package assembly through card post and draw-in groove inside the transport case body, the baffle is putting thing board upper portion and forming the independent categorised thing groove of putting, it independently deposits to put the thing groove to precision parts, pile up about not the transport case of transporting precision automobile parts and place and press flat easily, the damping performance is poor, reuse rate is low, there is the problem of potential safety hazard to improve.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the shock-absorbing packaging box for the transportation of the automobile parts and the preparation process thereof, the formula design is reasonable, the structural design is reasonable, and the packaging box has excellent strength and shock-absorbing performance, is easy to disassemble and assemble, improves the recycling rate of the packaging box and has wide application prospect through the triple arrangement of the protection outer box body, the combined type foam inner body and the built-in shock-absorbing body from outside to inside.

The purpose of the invention is realized by the following technical scheme:

a shock absorption packing box for automobile part transportation comprises a protective outer box body, a combined type foam inner body and an internal shock absorption body, wherein the combined type foam inner body is arranged in the protective outer box body, the internal shock absorption body is arranged in the combined type foam inner body, and automobile parts are arranged in the internal shock absorption body;

the protective outer box body comprises a bottom plate, corrugated boards, reinforcing plates and a protective outer box cover, wherein the corrugated boards are fixedly arranged on the bottom plate, the corrugated boards are assembled on the bottom plate to form a box-shaped structure, the reinforcing plates are arranged at the joint corners of every two adjacent corrugated boards, and the protective outer box cover is arranged on the box-shaped structure;

the combined type foam inner body comprises 4 upright posts, 1 cover plate, 1 bottom plate, 2 side plates in the length direction, 2 side plates in the width direction and 8 corner sleeves, the cover plate and the bottom plate are arranged in parallel up and down, the 4 upright posts are respectively arranged at four corners between the cover plate and the bottom plate, the upper end and the lower end of each upright post are respectively connected with the cover plate and the bottom plate through the corner sleeves, two mutually vertical slots are formed in each upright post, each slot is of a mortise structure, one slot is used for mounting the first side plate, and the other slot is used for mounting the second side plate; the inner side surfaces of the cover plate, the bottom plate, the first side plate and the second side plate are adhered with foam layers, and 4 upright posts, 1 cover plate, 1 bottom plate, 2 first side plates in the length direction, 2 second side plates in the width direction and 8 corner sleeves are spliced to form a main body frame of a combined type foam inner body.

The shock-absorbing packing box for transporting the automobile parts is reasonable in structural design, has excellent strength and shock-absorbing performance through the triple arrangement of the outer protecting box body, the combined type foam inner body and the built-in shock-absorbing body from outside to inside, is small in component number, simple in structure and easy to disassemble and assemble, can effectively improve the overall compressive strength of the packing box, reduces the breakage rate of the packing box, can improve the reuse rate of the packing box through the component type structure, and is wide in application prospect.

The angle department is provided with the reinforcing plate through two liang of adjacent corrugated container board pieces together to the outer box of protection, and the reinforcing plate makes the box compressive strength of the outer box of protection very big reinforcing, when a plurality of outer boxes of protection pile up from top to bottom in proper order, can ensure that the outer box of protection can not be shriveled and damage.

The combined type foam inner body and the upright post are frameworks of the whole combined type foam inner body and play a supporting role, the corner sleeves are universal parts and are suitable for different sizes, the cover plate, the bottom plate and the upright post form a main body framework of the combined type foam inner body, and the framework structure of the combined type foam inner body enables the self compressive strength of the combined type foam inner body to be far higher than that of a common foam packing box and is placed in the protective outer box body, so that the strength and the shock absorption performance are further improved.

Further, foretell automobile parts transportation uses shock attenuation packing box, built-in shock absorber includes protector, lower protector, the relative surface of protector is provided with automobile parts respectively and places the half groove with lower protector, automobile parts on the protector places the half groove with automobile parts on the protector and places the half groove mutual lock setting.

Be provided with last protective body and the lower protective body of mutual lock, establish automobile spare part card between last protective body and the lower protective body for automobile spare part is difficult for rocking the collision in built-in shock absorber, has further improved damping performance.

Further, in the shock absorption packing box for automobile part transportation, the reinforcing plate is arranged in an L-shaped right-angle shape, two right-angle ends of the reinforcing plate are respectively provided with a fixing groove, and adjacent side edges of adjacent corrugated boards are respectively clamped in the two fixing grooves of the reinforcing plate; the fixing groove and the side edge of the corrugated board are correspondingly and respectively provided with a horizontal fixing hole, the fixing bolt penetrates through the horizontal fixing hole, and the corrugated board and the reinforcing board are fixedly arranged.

The design greatly enhances the compression strength of the box body of the outer protection box body.

Furthermore, according to the shock absorption packaging box for automobile part transportation, two positioning holes are formed in the symmetrical center line of the upper end face and the lower end face of the stand column, corner sleeve fixing holes are also formed in the corner sleeves, the positions, the sizes and the number of the corner sleeve fixing holes correspond to those of the positioning holes in the stand column, 2 corner sleeve positioning rods are arranged on the inner sides of the corner sleeves, and when the packaging box is spliced, the corner sleeve positioning rods are inserted into the positioning holes in the stand column, so that the corner sleeves are fixed on the stand column.

Furthermore, in the shock absorption packaging box for automobile part transportation, fixing holes are formed in the upper end and the lower end of each upright post, 2 positioning holes are formed in each of 4 corners of the cover plate and the base plate, the positions, the sizes and the number of the positioning holes are matched with the positioning holes in the upright posts, and the cover plate, the base plate and the upright posts are connected through corner sleeves; and the peripheries of the inner side surfaces of the cover plate and the bottom plate are all subjected to slotting treatment and used for inserting the first side plate or the second side plate.

The invention also relates to a preparation process of the shock absorption packing box for automobile part transportation, which comprises the following steps:

1. assembling the combined foam inner body: after the corner sleeve positioning rods of the 4 corner sleeves penetrate through the positioning holes of the bottom plate, the corner sleeves and the positioning holes of the stand columns are respectively inserted into the positioning holes of the stand columns, the corner sleeves and the fixing holes on the stand columns are aligned, a binding belt penetrates through the fixing holes and then is tightened, then a side plate I and a side plate II are inserted between the stand columns, and foam layers of the side plate I and the side plate II face inwards;

2. assembling automobile spare and accessory parts: placing the lower protective body into the combined foam inner body, placing the automobile parts into the automobile part placing half grooves of the lower protective body, and then mutually buckling the automobile part placing half grooves on the upper protective body and the automobile part placing half grooves on the lower protective body; placing a cover plate on the upper protective body, enabling a foam layer of the cover plate to face downwards, then respectively inserting angle sleeve positioning rods of 4 angle sleeves into positioning holes of the stand columns after penetrating the angle sleeve positioning rods through the positioning holes of the cover plate, aligning the angle sleeves with fixing holes on the stand columns, and tightly binding after penetrating the fixing holes through a binding belt; the combined type foam inner body is placed into the protective outer box body, and the protective outer box cover and the box body-shaped structure are tightly bound through a binding band; the packing boxes are stacked in a staggered manner for transportation;

3. unloading automobile spare and accessory parts: unfastening the binding bands for protecting the outer box cover and the box-shaped structure, opening the protective outer box cover, unfastening the binding bands at the upper end of the upright post, upwards pulling out the corner sleeves, taking down the cover plate, taking down the upper protective body with the built-in shock absorption body, and taking out the automobile spare and accessory parts; when the empty box is transported back, all the components of the protective outer box body, the combined type foam inner body and the built-in damping body are disassembled, and the transportation volume is reduced.

Furthermore, in the preparation process of the shock absorption packing box for automobile part transportation, the upright column, the cover plate, the bottom plate, the first side plate, the second side plate and the built-in shock absorption body of the combined type foam inner body are all made of flame-retardant EPS foam.

The flame-retardant EPS foam which can achieve the A-level flame-retardant effect on the market is adopted, so that the problems of low flame retardance, high combustion heat release and serious smoke generation of common foams are solved.

Compared with the prior art, the invention has the following beneficial effects:

(1) the shock-absorbing packing box for transporting the automobile spare parts, disclosed by the invention, has excellent strength and shock-absorbing performance through the triple arrangement of the outer protection box body, the combined type foam inner body and the built-in shock-absorbing body from outside to inside, and the outer protection box body and the combined type foam inner body both adopt frame-type structures, so that the repeated utilization rate of the packing box is improved, and the application prospect is wide;

(2) the invention discloses a shock-absorbing packing box for automobile part transportation, which is characterized in that reinforcing plates are arranged at splicing corners of every two adjacent corrugated boards, so that the compression strength of the box body of the outer protecting box body is greatly enhanced by the reinforcing plates, and when a plurality of outer protecting boxes are stacked up and down in sequence, the outer protecting boxes can be prevented from being shriveled and damaged; the combined foam inner body has a frame structure, so that the compressive strength of the combined foam inner body is far higher than that of a common foam packing box, and the combined foam inner body is placed in a protective outer box body, so that the strength and the shock absorption performance are further improved; the automobile accessory protector is provided with the upper protective body and the lower protective body which are mutually buckled, and automobile accessories are clamped between the upper protective body and the lower protective body, so that the upper protective body and the lower protective body are not easy to shake and collide in the built-in shock absorber, and the shock absorption performance is further improved;

3 the shock absorption packing box for automobile part transportation and the preparation process thereof have the advantages of convenient operation, easy assembly and disassembly, capability of improving the repeated utilization rate of the packing box through a component type structure, and wide application prospect.

Drawings

FIG. 1 is a schematic overall appearance diagram of a shock-absorbing packing box for automobile part transportation according to the present invention;

FIG. 2 is a schematic structural view of a protective outer box of the shock-absorbing packing box for automobile part transportation according to the present invention;

FIG. 3 is a schematic structural diagram of a unitized foam inner body of the shock absorbing packing box for automobile parts transportation according to the present invention;

FIG. 4 is a schematic structural view of a built-in shock absorber of the shock absorbing packing box for automobile part transportation according to the present invention;

FIG. 5 is a schematic diagram of a reinforcing plate structure of the shock-absorbing packing box for automobile part transportation according to the present invention;

FIG. 6 is a schematic structural diagram of a column of the shock-absorbing packing box for automobile part transportation according to the present invention;

FIG. 7 is a schematic view of a corner sleeve structure of the shock-absorbing packing box for automobile part transportation according to the present invention;

in the figure: the protective outer box body 1, the bottom plate 11, the corrugated board 12, the reinforcing plate 13, the fixing groove 131, the horizontal fixing hole 132, the protective outer box cover 14, the box-shaped structure 15, the combined foam inner body 2, the upright post 21, the inserting groove 211, the positioning hole 212, the fixing hole 213, the cover plate 22, the positioning hole 221, the bottom plate 23, the first side plate 24, the second side plate 25, the corner sleeve 26, the corner sleeve fixing hole 261, the corner sleeve positioning rod 262, the built-in shock absorption body 3, the upper protective body 31 and the lower protective body 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the attached drawings 1 to 7 and the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As shown in fig. 1 to 7, the following embodiments provide a shock-absorbing packing box for transporting automobile parts and its manufacturing process, including a protective outer box 1, a sectional foam inner body 2, and an internal shock-absorbing body 3, wherein the sectional foam inner body 2 is disposed in the protective outer box 1, the internal shock-absorbing body 3 is disposed in the sectional foam inner body 2, and the automobile parts are disposed in the internal shock-absorbing body 3;

the protective outer box body 1 comprises a bottom plate 11, corrugated boards 12, reinforcing plates 13 and a protective outer box cover 14, wherein the corrugated boards 12 are fixedly arranged on the bottom plate 11, the corrugated boards 12 are assembled on the bottom plate 11 to form a box-shaped structure 15, the reinforcing plates 13 are arranged at the corners of the corrugated boards 12 adjacent to each other, and the protective outer box cover 14 is arranged on the box-shaped structure 15;

the combined type foam inner body 2 comprises 4

upright posts

21, 1

cover plate

22, 1

bottom plate

23, 2 side plate I24 in the length direction, and 2 side plate II 25 and 8 corner sleeves 26 in the width direction, wherein the cover plate 22 and the bottom plate 23 are arranged in parallel up and down, the 4 upright posts 21 are respectively arranged at four corners between the cover plate 22 and the bottom plate 23, the upper end and the lower end of each upright post 21 are respectively connected with the cover plate 22 and the bottom plate 23 through the corner sleeves 26, two mutually vertical slots 211 are formed in each upright post 21, each slot 211 is of a tongue-and-groove structure, one slot 211 is used for mounting the side plate I24, and the other slot 211 is used for mounting the side plate II 25; the inner side surfaces of the cover plate 22, the bottom plate 23, the first side plate 24 and the second side plate 25 are adhered with foam layers, and 4

upright posts

21, 1

cover plate

22, 1

bottom plate

23, 2 first side plates 24 in the length direction, 2 second side plates 25 in the width direction and 8 corner sleeves 26 are spliced to form a main body frame of the combined type foam inner body 2.

Wherein, built-in damper 3 includes protector 31, lower protector 32, the relative surface of protector 31 and lower protector 32 is provided with the automobile parts respectively and places the half groove on going up, the automobile parts on the protector 31 place the half groove and place the mutual lock setting in half groove with the automobile parts on the protector 32 down.

Further, the reinforcing plate 13 is arranged in an L-shaped right-angle shape, two right-angle ends of the reinforcing plate 13 are respectively provided with a fixing groove 131, and adjacent side edges of adjacent corrugated boards 11 are respectively clamped in the two fixing grooves 131 of the reinforcing plate 13; horizontal fixing holes 132 are correspondingly formed in the fixing grooves 131 and the side edges of the corrugated board 11, and fixing bolts pass through the horizontal fixing holes 132 to fix the corrugated board 11 and the reinforcing plate 13.

Furthermore, two positioning holes 212 are formed in the symmetrical middle line of the upper end surface and the lower end surface of the upright post 21, corner sleeve fixing holes 261 are also formed in the corner sleeves 26, the position, size and number of the corner sleeve fixing holes 261 correspond to those of the positioning holes 212 in the

upright post

21, 2 corner sleeve positioning rods 262 are arranged on the inner sides of the corner sleeves 26, and when the packing boxes are spliced, the corner sleeve positioning rods 262 are inserted into the positioning holes 212 in the upright post 21, so that the corner sleeves 26 are fixed on the upright post 21.

Furthermore, the upper and lower ends of the upright post 21 are provided with fixing holes 213, 4 corners of the cover plate 22 and the bottom plate 23 are respectively provided with 2 positioning holes 221, the positions, sizes and numbers of the positioning holes 221 are matched with the positioning holes 214 on the upright post 21, and the cover plate 22, the bottom plate 23 and the upright post 21 are connected through corner sleeves 26; the peripheries of the inner side surfaces of the cover plate 22 and the bottom plate 23 are all subjected to grooving treatment and used for inserting the first side plate 24 or the second side plate 25.

Examples

The preparation process of the shock-absorbing packaging box for automobile part transportation comprises the following steps:

1. assembling the combined foam inner body: after the corner sleeve positioning rods 262 of the 4 corner sleeves 26 penetrate through the positioning holes 221 of the bottom plate 23, the corner sleeves 26 and the fixing holes 213 on the upright posts 21 are aligned, a binding tape penetrates through the fixing holes 213 and then is fastened, then the first side plate 24 and the second side plate 25 are inserted between the upright posts 21, and foam layers of the first side plate 24 and the second side plate 25 face inwards;

2. assembling automobile spare and accessory parts: placing the lower protective body 32 into the combined type foam inner body 2, placing the automobile parts into the automobile part placing half groove of the lower protective body 32, and then mutually fastening the automobile part placing half groove on the upper protective body 31 and the automobile part placing half groove on the lower protective body 32; placing the cover plate 22 on the upper protective body 31, with the foam layer of the cover plate 22 facing downwards, then inserting the corner sleeve positioning rods 262 of the 4 corner sleeves 26 into the positioning holes 212 of the upright posts 21 after passing through the positioning holes 221 of the cover plate 22, aligning the corner sleeves 26 with the fixing holes 213 on the upright posts 21, and fastening after passing through the fixing holes by using a binding tape; the combined type foam inner body 2 is put into the protective outer box body 1, and the protective outer box cover 14 and the box-shaped structure 15 are tightly bound through a binding band; the packing boxes are stacked in a staggered manner for transportation;

3. unloading automobile spare and accessory parts: unfastening the binding bands for protecting the outer box cover 14 and the box-shaped structure 15, opening the protective outer box cover 14, unfastening the binding bands at the upper ends of the stand columns 21, upwards pulling out the corner sleeves 26, taking down the cover plate 22, taking down the upper protective body 31 with the built-in shock absorption bodies 3, and taking out the automobile parts; when the empty box is transported back, all the components of the protective outer box body 1, the combined type foam inner body 2 and the built-in shock absorption body 3 are disassembled, and the transportation volume is reduced.

The shock-absorbing packing box for transporting the automobile parts is reasonable in structural design, has excellent strength and shock-absorbing performance through the triple arrangement of the outer protecting box body 1, the combined type foam inner body 2 and the built-in shock-absorbing body 3 from outside to inside, is small in number of components, simple in structure and easy to disassemble and assemble, can effectively improve the overall compressive strength of the packing box and reduce the breakage rate of the packing box, can improve the reuse ratio of the packing box through the component type structure, and is wide in application prospect.

Protection outer box 1 is provided with reinforcing plate 13 through two liang of adjacent corrugated container board 12 piece angle departments, and reinforcing plate 13 makes the box compressive strength of protection outer box 1 greatly strengthen, when piling up in proper order about a plurality of protection outer boxes 1, can ensure that protection outer box 1 can not be shriveled and damage.

The combined type foam inner body 2 and the upright post 21 are frameworks of the whole combined type foam inner body 1 and play a supporting role, the corner sleeves 26 are universal components and are suitable for different sizes, the cover plate 22, the bottom plate 23 and the upright post 21 form a main body framework of the combined type foam inner body 2, and the combined type foam inner body 2 is of a frame type structure, so that the self compressive strength of the combined type foam inner body 2 is far higher than that of a common foam packing box and is placed in the protective outer box body 1, and the strength and the shock absorption performance are further improved.

Further, an upper protection body 31 and a lower protection body 32 which are mutually buckled are arranged, and automobile parts are clamped between the upper protection body 21 and the lower protection body 32, so that the automobile parts are not prone to shaking and colliding in the built-in shock absorption body 3, and the shock absorption performance is further improved.

Furthermore, the upright post 21, the cover plate 22, the bottom plate 23, the first side plate 24, the second side plate 25 and the built-in shock absorption body 3 of the combined type foam inner body 2 are all made of flame-retardant EPS foam. The flame-retardant EPS foam which can achieve the A-level flame-retardant effect on the market is adopted, so that the problems of low flame retardance, high combustion heat release and serious smoke generation of common foams are solved.

The invention has many applications, and the above description is only a preferred embodiment of the invention. It should be noted that the above examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the invention and these modifications are to be considered within the scope of the invention.

Claims

1. The shock-absorbing packing box for transporting the automobile parts is characterized by comprising a protective outer box body (1), a combined type foam inner body (2) and a built-in shock-absorbing body (3), wherein the combined type foam inner body (2) is arranged in the protective outer box body (1), the built-in shock-absorbing body (3) is arranged in the combined type foam inner body (2), and the automobile parts are arranged in the built-in shock-absorbing body (3);

the protective outer box body (1) comprises a bottom plate (11), corrugated boards (12), reinforcing plates (13) and a protective outer box cover (14), wherein the corrugated boards (12) are fixedly arranged on the bottom plate (11), the corrugated boards (12) are assembled on the bottom plate (11) to form a box-shaped structure (15), the reinforcing plates (13) are arranged at the joint corners of every two adjacent corrugated boards (12), and the protective outer box cover (14) is arranged on the box-shaped structure (15);

the combined type foam inner body (2) comprises 4 upright posts (21), 1 cover plate (22), 1 bottom plate (23), 2 side plate I (24) in the length direction, 2 side plate II (25) in the width direction and 8 corner sleeves (26), wherein the cover plate (22) and the bottom plate (23) are arranged in parallel up and down, the 4 upright posts (21) are respectively arranged at four corners between the cover plate (22) and the bottom plate (23), the upper end and the lower end of each upright post (21) are respectively connected with the cover plate (22) and the bottom plate (23) through the corner sleeves (26), two mutually vertical slots (211) are formed in each upright post (21), each slot (211) is of a mortise structure, the 1 slot (211) is used for mounting the side plate I (24), and the other slot (211) is used for mounting the side plate II (25); and the inner side surfaces of the cover plate (22), the bottom plate (23), the first side plate (24) and the second side plate (25) are adhered with foam layers, and 4 upright posts (21), 1 cover plate (22), 1 bottom plate (23), 2 first side plates (24) in the length direction, 2 second side plates (25) in the width direction and 8 corner sleeves (26) are spliced to form a main body frame of the combined type foam inner body (2).

2. The packing box of claim 2, wherein the built-in shock absorber (3) comprises an upper protector (31) and a lower protector (32), the opposite surfaces of the upper protector (31) and the lower protector (32) are respectively provided with a half slot for placing the automobile parts, and the half slot for placing the automobile parts on the upper protector (31) and the half slot for placing the automobile parts on the lower protector (32) are buckled with each other.

3. The shock-absorbing packing box for the transportation of automobile parts as claimed in claim 2, wherein the reinforcing plate (13) is arranged in a right-angle shape like an L, fixing slots (131) are respectively arranged at two right-angle ends of the reinforcing plate (13), and adjacent side edges of adjacent corrugated boards (11) are respectively clamped in the two fixing slots (131) of the reinforcing plate (13); horizontal fixing holes (132) are correspondingly formed in the fixing grooves (131) and the side edges of the corrugated board (11), fixing bolts penetrate through the horizontal fixing holes (132), and the corrugated board (11) and the reinforcing plate (13) are fixedly arranged.

4. The packing box for shock absorption of automobile parts and accessories for transportation according to claim 1, wherein two positioning holes (212) are formed on the symmetrical middle line of the upper end surface and the lower end surface of the upright post (21), the corner sleeve (26) is also provided with corner sleeve fixing holes (261), the position, size and number of the corner sleeve fixing holes (261) correspond to the positioning holes (212) on the upright post (21), 2 corner sleeve positioning rods (262) are arranged inside the corner sleeve (26), and when the packing box is spliced, the corner sleeve positioning rods (262) are inserted into the positioning holes (212) of the upright post (21) so as to fix the corner sleeve (26) on the upright post (21).

5. The packing box of claim 1, wherein the vertical column (21) is provided with fixing holes (213) at the upper and lower ends thereof, the cover plate (22) and the bottom plate (23) are provided with 2 positioning holes (221) at 4 corners thereof, the positioning holes (221) are matched with the positioning holes (214) of the vertical column (21) in position, size and number, and the cover plate (22), the bottom plate (23) and the vertical column (21) are connected through corner sleeves (26); the peripheries of the inner side surfaces of the cover plate (22) and the bottom plate (23) are all subjected to grooving treatment and used for inserting the first side plate (24) or the second side plate (25).

6. The process for preparing the shock-absorbing packing box for automobile part transportation according to any one of claims 1 to 5, wherein the preparation of the shock-absorbing packing box comprises the following steps:

(1) assembling the combined foam inner body: after corner sleeve positioning rods (262) of 4 corner sleeves (26) penetrate through positioning holes (221) of a bottom plate (23), the corner sleeves (26) are respectively inserted into positioning holes (212) of an upright post (21), the corner sleeves (26) are aligned with fixing holes (213) on the upright post (21), a binding tape penetrates through the fixing holes (213) and then is fastened, then a side plate I (24) and a side plate II (25) are inserted between the upright posts (21), and foam layers of the side plate I (24) and the side plate II (25) face inwards;

(2) assembling automobile spare and accessory parts: placing the lower protective body (32) into the combined type foam inner body (2), placing automobile parts into the automobile part placing half grooves of the lower protective body (32), and then mutually buckling the automobile part placing half grooves on the upper protective body (31) and the automobile part placing half grooves on the lower protective body (32); placing a cover plate (22) on an upper protective body (31), enabling a foam layer of the cover plate (22) to face downwards, then respectively inserting corner sleeve positioning rods (262) of 4 corner sleeves (26) into positioning holes (212) of an upright post (21) after penetrating through positioning holes (221) of the cover plate (22), aligning the corner sleeves (26) with fixing holes (213) on the upright post (21), and tightening after penetrating through the fixing holes by using a binding belt; the combined type foam inner body (2) is placed inside the protective outer box body (1), and the protective outer box cover (14) and the box body-shaped structure (15) are tightly bound through a binding band; the packing boxes are stacked in a staggered manner for transportation;

(3) unloading automobile spare and accessory parts: unfastening a binding belt for protecting the outer box cover (14) and the box-shaped structure (15), opening the outer box cover (14), unfastening a binding belt at the upper end of the upright post (21), upwards pulling out the corner sleeve (26), taking down the cover plate (22), taking down the upper protective body (31) of the built-in shock absorption body (3), and taking out automobile parts; when the empty box is transported back, all the components of the protective outer box body (1), the combined type foam inner body (2) and the built-in damping body (3) are disassembled, and the transportation volume is reduced.

7. The manufacturing process of the shock-absorbing packing box for the transportation of the automobile parts as claimed in claim 6, wherein the column (21), the cover plate (22), the bottom plate (23), the first side plate (24), the second side plate (25) and the built-in shock-absorbing body (3) of the combined foam inner body (2) are all made of flame-retardant EPS foam.