阅读说明：本技术 Dvr机箱用epe缓冲包装垫及其制备方法 (EPE buffer packaging pad for DVR (digital video recorder) case and preparation method thereof ) 是由 孙振浩 王桂兴 于 2020-12-13 设计创作，主要内容包括：本发明属于EPE缓冲包装技术领域,旨在提供DVR机箱用EPE缓冲包装垫,包括方形底板,所述方形底板内部设有收纳型腔,所述收纳型腔设有第一弯折部和第二弯折部；所述方形底板的一侧顶端设有顶板,所述顶板设有空腔,中间设有凸出部；本发明还提供了DVR机箱用EPE缓冲包装垫制备方法,包括采用第一模板、第二模板、第三模板和第四模板分体模切成型后,再热合叠加制备而成。本发明的DVR机箱用EPE缓冲包装垫制备方法,具有生产效率高、生产成本低、制备的DVR机箱包装垫产品外观美观等特点,可广泛用于DVR机箱的包装技术领域。(The invention belongs to the technical field of EPE (electronic parts and equipment) buffer packaging, and aims to provide an EPE buffer packaging pad for a DVR (digital video recorder) case, which comprises a square bottom plate, wherein a containing cavity is arranged in the square bottom plate, and the containing cavity is provided with a first bending part and a second bending part; a top plate is arranged at the top end of one side of the square bottom plate, a cavity is formed in the top plate, and a protruding part is arranged in the middle of the top plate; the invention also provides a preparation method of the EPE buffer packaging pad for the DVR chassis, which comprises the steps of adopting the first template, the second template, the third template and the fourth template to perform split die cutting and molding, and then heating, laminating and overlapping to prepare the EPE buffer packaging pad. The preparation method of the EPE buffer packaging pad for the DVR chassis has the characteristics of high production efficiency, low production cost, attractive appearance of the prepared DVR chassis packaging pad product and the like, and can be widely applied to the technical field of packaging of DVR chassis.)

1. An EPE buffer packaging pad for a DVR chassis is characterized by comprising a square bottom plate (1), wherein a containing cavity (2) is arranged inside the square bottom plate (1), and the containing cavity (2) is provided with a first bent part (3) and a second bent part (4); the square bottom plate is characterized in that a top plate (5) is arranged at the top end of one side of the square bottom plate (1), a cavity (6) is formed in the top plate (5), and a protruding portion (7) is arranged in the middle of the top plate.

2. The EPE cushion packaging pad for the DVR chassis of claim 1, wherein the side of the accommodating cavity (2) is provided with power interface grooves (12), and the power interface grooves (12) are symmetrically distributed.

3. The EPE cushion packaging pad for the DVR chassis of claim 2, wherein the power interface groove (12) is connected with the second bending part (4).

4. The EPE cushion packaging pad for the DVR chassis of claim 1, wherein the first bending part (3) is a single right-angle bending structure, and the second bending part (4) is a double right-angle bending structure.

5. The EPE buffer packaging pad for the DVR chassis of claim 1, wherein two EPE buffer packaging pads are used as one set, the combination of the two EPE buffer packaging pads can completely wrap the DVR inside the EPE buffer packaging pad, the thickness of the square bottom plate (1) is more than or equal to 60mm, and the thickness of the top plate (5) is 30-50 mm.

6. A method for preparing the EPE buffer packaging cushion for the DVR cabinet of claim 1, which comprises the following steps:

(1) cutting by a machine: cutting an EPE plate into square plates with four specifications suitable for being punched by a first template (8), a second template (9), a third template (10) and a fourth template (11);

(2) punching and die cutting: pushing the divided square plates into a four-column cutting machine through a first template (8), a second template (9), a third template (10) and a fourth template (11) respectively for punching and die cutting, wherein the template blades face upwards during punching, the punching time is set to be 0.2-0.5 s, the pressure maintaining time is 0.3-0.6 s, and the return time is 0.5-1.5 s;

(3) first-step bonding: punching die-cut blanks by the first template (8) and the second template (9), bonding the base plates to prepare a bottom blank, and controlling the instant bonding temperature to 400-500 ℃;

(4) and a second step of bonding: then, a third template (10) and a fourth template (11) are bonded on the bottom blank, including bonding a receiving cavity (2) and a top plate (5), and the instant bonding temperature is controlled at 400-550 ℃, so as to prepare a finished product of the DVR chassis buffer packaging pad;

(5) and (3) inspecting and packaging: and (3) carrying out appearance and size inspection on the prepared finished product of the DVR chassis buffer packaging pad, stacking the finished product according to a fixed quantity after the finished product is qualified, putting the finished product into plastic packaging bags, and finally packaging the plastic packaging bags into a carton.

7. The preparation method of the EPE buffer packaging pad for the DVR chassis of claim 6, wherein the first template (8) in the step (1) is a square template, the surface of the square template is provided with a plurality of groups of side-by-side hollow die-cutting high knives (81), and the hollow die-cutting high knives (81) are connected with the straight high knives (82); the second template (9) is a square template, and the surface of the second template is provided with a plurality of solid die-cutting high cutters (91); the third template (10) is a square template, the surface of the third template is provided with a first trapezoid high knife (101) and a second trapezoid high knife (102), the first trapezoid high knife (101) is provided with a square groove high knife (103), and the second trapezoid high knife (102) is internally provided with a T-shaped high knife (104); the fourth template (11) is a square template, and three large square die-cutting high cutters (111) and three small square die-cutting high cutters (112) are arranged on the surface side by side.

8. The preparation method of the EPE buffer packaging pad for the DVR chassis of claim 6, wherein the first template (8), the second template (9), the third template (10) and the fourth template (11) in the step (1) are all laser cutting dies, and comprise a base plate and a blade, and the blade is 30-50 mm higher than the base plate.

9. The preparation method of the EPE buffer packaging pad for the DVR chassis of claim 8, wherein EPE buffer base plates with the thickness of 20-40 mm are embedded in the areas surrounded by the high edges of the first template (8), the second template (9), the third template (10) and the fourth template (11).

10. The preparation method of the EPE cushion packaging pad for the DVR chassis of claim 6, wherein the first template (8) and the second template (9) in the step (1) are provided with frame high knives (13) at the upper and lower top ends.

Technical Field

The invention belongs to the technical field of EPE buffer packaging, and particularly relates to an EPE buffer packaging pad for a DVR chassis and a preparation method thereof.

Background

DVR (digital Video recorder) is a hard disk Video recorder for short, which adopts hard disk Video recording and is a set of computer system for storing and processing images compared with the traditional analog Video recorder; the DVR has the functions of long-time video recording, sound recording, remote monitoring and control of images/voice, is a preferred product of a television monitoring system on the market at present, and has huge market development potential along with the continuous promotion of people on monitoring requirements and the civilization of monitoring installation.

At present, most of existing DVR chassis are of square structures, and are provided with a protruding part and a part of connecting wires at the top, and the DVR chassis belongs to electronic products, so that the packaging of the DVR chassis is high (requirements of shock resistance, electricity resistance, moisture resistance, close attachment and the like), and therefore the DVR chassis is guaranteed not to be damaged and surged in the transportation process, and the use performance of products is prevented from being influenced. Traditional packing methods that combines such as carton, foam, bubble paper, though the low price, the packaging process is loaded down with trivial details, does not have fine hugging closely the parcel to DVR quick-witted case, also not elegant appearance enough simultaneously. The EPE buffering packaging material belongs to polyethylene foam cotton, is a novel environment-friendly packaging material, has the advantages of water resistance, moisture resistance, shock resistance, insulation, strong toughness, environmental protection and the like, and is an ideal material for packaging a DVR cabinet.

Patent number "201720348504.1" describes a cushioning packaging structure of EPE material, including sealed lid and fixed block constitution, has good cushioning packaging effect to red wine bottle and wineglass etc. is fit for long distance transportation. Patent number "201710277609.7" introduces a cotton packing carton of pearl, including cotton bottom plate of pearl, the cotton curb plate of pearl and connecting block, the cotton bottom plate of its pearl and the cotton curb plate of pearl can dismantle the use, after the local damage directly change this damaged part can, avoid local waste and the whole waste that causes, the connecting block has guaranteed the stability of packing carton for the reliability of being connected between the cotton bottom plate of pearl and the cotton curb plate of pearl. Still introduce a lining packaging structure of spherical camera like patent number "201520251879.7", including last liner and lower liner, go up the clamp space that has the parcel spherical camera between liner and the lower liner, through adopting the buffering liner structure that the EPE material was made, realize the cushion packaging of spherical camera, have sufficient storage space simultaneously.

Although the above mentioned packaging products related to EPE pearl wool have many kinds and various structures, the description of EPE cushion packaging pad for DVR case is less, and the preparation method of EPE cushion packaging pad is yet to be further researched and improved due to the special structure of DVR case, including the control of the thickness of bottom and side, which all affect the damage of transportation process to DVR case. Therefore, the buffer product suitable for packaging the DVR chassis is researched, the use requirement is met, the production efficiency is improved, the production cost of the EPE buffer packaging cushion is reduced, and the EPE buffer packaging cushion has higher market competitiveness.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides the EPE buffer packaging pad for the DVR chassis, has the characteristics of simple structure, good anti-seismic effect, close storage, environmental protection and the like, and also provides the preparation method of the EPE buffer packaging pad for the DVR chassis.

In order to solve the problems, the EPE buffer packaging pad for the DVR chassis comprises a square bottom plate, wherein a containing cavity is arranged in the square bottom plate, and the containing cavity is provided with a first bending part and a second bending part; the square bottom plate is characterized in that a top plate is arranged at the top end of one side of the square bottom plate, a cavity is formed in the top plate, and a protruding portion is arranged in the middle of the top plate.

The invention also provides a preparation method of the EPE buffer packaging pad for the DVR chassis, which comprises the following steps:

(1) cutting by a machine: cutting the EPE plate into square plates with four specifications suitable for stamping a first template, a second template, a third template and a fourth template;

(2) punching and die cutting: pushing the cut square plates into a four-column cutting machine through a first template, a second template, a third template and a fourth template to perform stamping and die cutting, wherein the blades of the templates are upward during stamping, the stamping time is set to be 0.2-0.5 s, the pressure maintaining time is set to be 0.3-0.6 s, and the return time is set to be 0.5-1.5 s;

(3) first-step bonding: punching die-cut blanks on the first template and the second template, and bonding the base plates to prepare a bottom blank, wherein the instant bonding temperature is controlled at 400-500 ℃;

(4) and a second step of bonding: bonding a third template and a fourth template on the bottom blank, including bonding a receiving cavity and a top plate, wherein the instant bonding temperature is controlled to be 400-550 ℃, thereby preparing a finished product of the DVR chassis buffer packaging pad;

(5) and (3) inspecting and packaging: and (3) carrying out appearance and size inspection on the prepared finished product of the DVR chassis buffer packaging pad, stacking the finished product according to a fixed quantity after the finished product is qualified, putting the finished product into plastic packaging bags, and finally packaging the plastic packaging bags into a carton.

As an improvement, the side face of the accommodating cavity is provided with power interface grooves which are symmetrically distributed.

As an improvement, the power interface groove is connected with the second bending part.

As an improvement, the first bending portion is a single-right-angle bending structure, and the second bending portion is a double-right-angle bending structure.

As an improvement, the number of the cavities is two, and the cavities are symmetrically distributed on two sides of the protruding portion.

As an improvement, the two EPE buffer packaging cushions are combined to be used, the DVR can be completely wrapped inside the EPE buffer packaging cushions, the thickness of the square bottom plate is more than or equal to 60mm, and the thickness of the top plate is 30-50 mm.

As an improvement, the first template in the step (1) is a square template, the surface of the first template is provided with a plurality of groups of parallel hollow die-cutting high knives, and the hollow die-cutting high knives are connected with the linear high knives; the second template is a square template, and the surface of the second template is provided with a plurality of solid die-cutting high cutters; the third template is a square template, the surface of the third template is provided with a first trapezoidal high knife and a second trapezoidal high knife, the first trapezoidal high knife is provided with a square groove high knife, and the second trapezoidal high knife is internally provided with a T-shaped high knife; the fourth template is a square template, and three large square die-cutting high cutters and three small square die-cutting high cutters are arranged on the surface of the fourth template side by side.

As an improvement, the first template, the second template, the third template and the fourth template in the step (1) are all laser cutting dies and are composed of a base plate and a blade, and the blade is 30-50 mm higher than the base plate.

As an improvement, EPE buffer backing plates with the thickness of 20-40 mm are embedded in the areas surrounded by the high blades of the first template, the second template, the third template and the fourth template in the step (1).

As an improvement, the distance between the outermost layer blade in the first template, the second template, the third template and the fourth template in the step (1) and the edge of the substrate is 40-80 mm.

As an improvement, the upper top end and the lower top end of the first template and the second template in the step (1) are respectively provided with a frame high knife.

As an improvement, a beef tendon plastic cushion wraps the pressing surface at the top of the four-column cutting machine in the step (2), and the thickness of the beef tendon plastic cushion is 5-10 mm; a thin iron plate pad is arranged above the stamping bottom surface of the four-column cutting machine, and the thickness of the thin iron plate pad is 1-2 mm.

The invention has the beneficial effects that: an EPE buffer packaging cushion for a DVR chassis has the characteristics of simple structure, good anti-seismic effect, close storage, environmental protection and the like, a storage cavity is arranged in the EPE buffer packaging cushion, a first bending part and a second bending part suitable for placing a DVR machine are arranged, a power interface groove is arranged at the same time, and two combined die modes are adopted, so that the DVR machine is more compact in packaging and cannot shift or shake; a method for preparing EPE buffer packaging pad for DVR chassis, through splitting the buffer packaging pad, and adopt the first template, second template, third template and fourth template to carry on the segmental die cutting, the die cutting punches out each assembly, bind and prepare through the 500 duC high temperature of 300-; compared with the die sinking preparation process, the preparation method has the advantages of high yield, low cost, convenient control and the like; in addition, EPE cushion plates with the thickness of 20-40 mm are embedded in the areas surrounded by the high knives of the first template, the second template, the third template and the fourth template, and are 10-30 mm lower than the high knives, so that the EPE blanks after die cutting can be effectively prevented from being embedded into the high knives, and the blanks are prevented from being manually scratched to influence the production efficiency; in fact, in the actual production process, the embedding of the EPE blank most affects the production efficiency, and the embedding problem is avoided by matching the height of the high knife and the height of the backing plate, or the embedding problem is avoided after the high knife is used for a period of time, so that the production efficiency is directly improved by 5-10%, and the method has obvious economic benefit.

Drawings

FIG. 1: the DVR chassis of the invention buffers the front view of the packing pad with EPE;

FIG. 2: the invention discloses a top view of an EPE buffer packaging pad for a DVR chassis;

FIG. 3: the invention discloses a left view of an EPE buffer packaging pad for a DVR chassis;

FIG. 4: the invention discloses a first template structure schematic diagram of an EPE buffer packaging pad for a DVR chassis;

FIG. 5: the structure of a second template of the EPE buffer packaging pad for the DVR chassis is shown schematically;

FIG. 6: the structure of a third template of the EPE buffer packaging pad for the DVR chassis is shown schematically;

FIG. 7: the invention discloses a fourth template structure schematic diagram of an EPE buffer packaging pad for a DVR chassis.

In the figure: 1. a square bottom plate; 2. a receiving cavity; 3. a first bent portion; 4. a second bent portion; 5. a top plate; 6. a cavity; 7. a projection; 8. a first template; 9. a second template; 10. a third template; 11. a fourth template; 12. a power interface groove; 81. hollow die-cutting high knife; 82. a straight line high knife; 91. solid die-cutting high knife; 101. a first trapezoidal high knife; 102. a second trapezoidal high knife; 103. a square groove high knife; 104. t-shaped high knife; 111. a large square die-cutting high knife; 112. a small square die-cutting high knife; 13. the frame is high.

Detailed Description

The present invention will be described in further detail with reference to embodiments.

As shown in fig. 1 to 3, the EPE cushion for a DVR case of the present invention includes a square bottom plate 1, a storage cavity 2 is disposed inside the square bottom plate 1, the storage cavity 2 is provided with a first bending portion 3 and a second bending portion 4, a power interface groove 12 is further disposed on a side surface of the storage cavity 2, and the power interface grooves 12 are symmetrically distributed and connected to the second bending portion 4; further, the first bending portion 3 is a single-right-angle bending structure, and the second bending portion 4 is a double-right-angle bending structure; a top plate 5 is arranged at the top end of one side of the square bottom plate 1, a cavity 6 is arranged on the top plate 5, a protruding part 7 is arranged in the middle of the top plate, and specifically, two cavities 6 are arranged and symmetrically distributed on two sides of the protruding part 7; more specifically, the two EPE buffer packaging cushions are combined for use, the thickness of the square bottom plate is larger than or equal to 60mm, the thickness of the top plate is 30-50 mm, and the better shockproof buffer effect is provided while the DVR case is tightly wrapped.

The invention also provides a method for preparing the EPE buffer packaging pad for the DVR chassis, as shown in figures 4-7, the first template 8, the second template 9, the third template 10 and the fourth template 11 are adopted to punch each component in sections, and then the components are bonded at high temperature in sequence; the method specifically comprises the following steps:

(1) cutting by a machine: cutting the EPE plate into square plates with four specifications suitable for being stamped by a first template 8, a second template 9, a third template 10 and a fourth template 11;

(2) punching and die cutting: pushing the divided square plates into a four-column cutting machine through a first template 8, a second template 9, a third template 10 and a fourth template 11 for punching and die cutting, wherein the template blades face upwards during punching, the punching time is set to be 0.2-0.5 s, the pressure maintaining time is set to be 0.3-0.6 s, and the return time is set to be 0.5-1.5 s;

(3) first-step bonding: punching the die-cut blank by the first template 8 and the second template 9, and bonding the bottom plate 1 to prepare a bottom blank, wherein the instant bonding temperature is controlled at 400-500 ℃;

(4) and a second step of bonding: then, sequentially bonding a third template 10 and a fourth template 11 on the bottom blank, including bonding a receiving cavity 2 and a top plate 5, wherein the instant bonding temperature is controlled at 400-;

(5) and (3) inspecting and packaging: and (3) carrying out appearance and size inspection on the prepared finished product of the DVR chassis buffer packaging pad, stacking the finished product according to a fixed quantity after the finished product is qualified, putting the finished product into plastic packaging bags, and finally packaging the plastic packaging bags into a carton.

Further, the first template 8 in the step (1) is a square template, the surface of the square template is provided with a plurality of groups of high hollow die-cutting knives 81 side by side, and the high hollow die-cutting knives 81 are connected with the high linear knives 82; the second template 9 is a square template, and the surface of the second template is provided with a plurality of solid die-cutting high cutters 91; the third template is a square template 10, the surface of the third template is provided with a first trapezoidal high knife 101 and a second trapezoidal high knife 102, the first trapezoidal high knife 101 is provided with a square groove high knife 103, and the second trapezoidal high knife 102 is internally provided with a T-shaped high knife 104; the fourth template 11 is a square template, and three large square die-cutting high knives 111 and three small square die-cutting high knives 112 are arranged on the surface side by side.

Further, the first template 8, the second template 9, the third template 10 and the fourth template 11 in the step (1) are all laser cutting dies and are composed of a substrate and a blade, and the blade is 30-50 mm higher than the substrate; specifically, EPE buffer cushion plates with the thickness of 20-40 mm are embedded in areas surrounded by high blades of the first template 8, the second template 9, the third template 10 and the fourth template 11; specifically, the distance between the outermost layer blade in the first template 8, the second template 9, the third template 10 and the fourth template 11 and the edge of the substrate is 40-80 mm.

Further, the upper and lower top ends of the first template 8 and the second template 9 in the step (1) are provided with frame height cutters 13.

Further, a beef tendon plastic pad is wrapped on the pressing surface at the top of the four-column cutting machine in the step (2), and the thickness of the beef tendon plastic pad is 5-10 mm; a thin iron plate pad is arranged above the stamping bottom surface of the four-column cutting machine, and the thickness of the thin iron plate pad is 1-2 mm.

Example 1:

(1) cutting by a machine: cutting an EPE plate into square plates with four specifications suitable for being stamped by a first template 8, a second template 9, a third template 10 and a fourth template 11, wherein the square plates can be cut by a slitting machine, specifically, the first template 8 is a square template, and the surface of the first template is provided with a plurality of groups of parallel hollow die-cutting high cutters 81; the second template 9 is a square template, and the surface of the second template is provided with a plurality of solid die-cutting high cutters 91; the third template is a square template 10, the surface of the third template is provided with a first trapezoidal high knife 101 and a second trapezoidal high knife 102, the first trapezoidal high knife 101 is provided with a square groove high knife 103, and the second trapezoidal high knife 102 is internally provided with a T-shaped high knife 104; the fourth template 11 is a square template, the surface of which is provided with three large square die-cutting high knives 111 and three small square die-cutting high knives 112 side by side, wherein the parts enclosed by the high knives on each template are all component blanks, and the waste materials are arranged outside the high knives;

(2) punching and die cutting: pushing the divided square plates into a four-column cutting machine through a first template 8, a second template 9, a third template 10 and a fourth template 11 for punching and die cutting, wherein a template blade faces upwards during punching, the blade is 30mm higher than a base plate, 20mm of EPE buffer gaskets are arranged in a region surrounded by the blades, and a piece of tendon plastic cushion wraps the downward-pressing surface at the top of the four-column cutting machine, and the thickness of the tendon plastic cushion is 5 mm; a thin iron plate pad is arranged above the stamping bottom surface of the four-column cutting machine, the thickness of the thin iron plate pad is 1mm, the stamping time is set to be 0.2s, the pressure maintaining time is set to be 0.3s, and the return time is set to be 0.5 s;

(3) first-step bonding: punching die-cut blanks by using a first template 8 and a second template 9, bonding the base plate 1 to prepare a bottom blank, and controlling the instant bonding temperature to be 400 +/-5 ℃;

(4) and a second step of bonding: then, sequentially bonding a third template 10 and a fourth template 11 on the bottom blank, including bonding a receiving cavity 2 and a top plate 5, wherein the instant bonding temperature is controlled to be 400 +/-5 ℃, thereby preparing a finished product of the DVR chassis buffer packaging pad;

(5) and (3) inspecting and packaging: and (3) carrying out appearance and size inspection on the prepared finished product of the DVR chassis buffer packaging pad, stacking the finished product according to a fixed quantity after the finished product is qualified, putting the finished product into plastic packaging bags, and finally packaging the plastic packaging bags into a carton.

Example 2:

(1) cutting by a machine: cutting an EPE plate into square plates with four specifications suitable for being stamped by a first template 8, a second template 9, a third template 10 and a fourth template 11, wherein the square plates can be cut by a slitting machine, specifically, the first template 8 is a square template, and the surface of the first template is provided with a plurality of groups of parallel hollow die-cutting high cutters 81; the second template 9 is a square template, and the surface of the second template is provided with a plurality of solid die-cutting high cutters 91; the third template is a square template 10, the surface of the third template is provided with a first trapezoidal high knife 101 and a second trapezoidal high knife 102, the first trapezoidal high knife 101 is provided with a square groove high knife 103, and the second trapezoidal high knife 102 is internally provided with a T-shaped high knife 104; the fourth template 11 is a square template, the surface of which is provided with three large square die-cutting high knives 111 and three small square die-cutting high knives 112 side by side, wherein the parts enclosed by the high knives on each template are all component blanks, and the waste materials are arranged outside the high knives;

(2) punching and die cutting: pushing the divided square plates into a four-column cutting machine through a first template 8, a second template 9, a third template 10 and a fourth template 11 for punching and die cutting, wherein a template blade faces upwards during punching, the blade is 40mm higher than a base plate, an EPE buffer gasket with the thickness of 30mm is embedded in a region surrounded by the blade, and a lower-pressure bread at the top of the four-column cutting machine is wrapped by a plastic tendon cushion with the thickness of 8 mm; a thin iron plate pad is arranged above the stamping bottom surface of the four-column cutting machine, the thickness of the thin iron plate pad is 1.5mm, the stamping time is set to be 0.3s, the pressure maintaining time is set to be 0.4s, and the return time is set to be 1.0 s;

(3) first-step bonding: punching die-cut blanks by using a first template 8 and a second template 9, bonding the base plate 1 to prepare a bottom blank, and controlling the instant bonding temperature to be 450 +/-5 ℃;

(4) and a second step of bonding: then, sequentially bonding a third template 10 and a fourth template 11 on the bottom blank, including bonding a receiving cavity 2 and a top plate 5, wherein the instant bonding temperature is controlled at 450 +/-5 ℃, thereby preparing a finished product of the DVR chassis buffer packaging pad;

(5) and (3) inspecting and packaging: and (3) carrying out appearance and size inspection on the prepared finished product of the DVR chassis buffer packaging pad, stacking the finished product according to a fixed quantity after the finished product is qualified, putting the finished product into plastic packaging bags, and finally packaging the plastic packaging bags into a carton.

Example 3:

(1) cutting by a machine: cutting an EPE plate into square plates with four specifications suitable for being stamped by a first template 8, a second template 9, a third template 10 and a fourth template 11, wherein the square plates can be cut by a slitting machine, specifically, the first template 8 is a square template, and the surface of the first template is provided with a plurality of groups of parallel hollow die-cutting high cutters 81; the second template 9 is a square template, and the surface of the second template is provided with a plurality of solid die-cutting high cutters 91; the third template is a square template 10, the surface of the third template is provided with a first trapezoidal high knife 101 and a second trapezoidal high knife 102, the first trapezoidal high knife 101 is provided with a square groove high knife 103, and the second trapezoidal high knife 102 is internally provided with a T-shaped high knife 104; the fourth template 11 is a square template, the surface of which is provided with three large square die-cutting high knives 111 and three small square die-cutting high knives 112 side by side, wherein the parts enclosed by the high knives on each template are all component blanks, and the waste materials are arranged outside the high knives;

(2) punching and die cutting: pushing the divided square plates into a four-column cutting machine through a first template 8, a second template 9, a third template 10 and a fourth template 11 for punching and die cutting, wherein a template blade faces upwards during punching, the blade is 50mm higher than a base plate, an EPE buffer gasket with the thickness of 35mm is embedded in a region surrounded by the blades, and a piece of cowhells plastic cushion wraps the pressed surface at the top of the four-column cutting machine and is 10mm thick; a thin iron plate pad is arranged above the stamping bottom surface of the four-column cutting machine, the thickness of the thin iron plate pad is 2mm, the stamping time is set to be 0.5s, the pressure maintaining time is set to be 0.6s, and the return time is set to be 1.5 s;

(3) first-step bonding: punching die-cut blanks by using a first template 8 and a second template 9, bonding the base plate 1 to prepare a bottom blank, and controlling the instant bonding temperature to be 500 +/-5 ℃;

(4) and a second step of bonding: then, sequentially bonding a third template 10 and a fourth template 11 on the bottom blank, including bonding a receiving cavity 2 and a top plate 5, wherein the instant bonding temperature is controlled at 500 +/-5 ℃, thereby preparing a finished product of the DVR chassis buffer packaging pad;

(5) and (3) inspecting and packaging: and (3) carrying out appearance and size inspection on the prepared finished product of the DVR chassis buffer packaging pad, stacking the finished product according to a fixed quantity after the finished product is qualified, putting the finished product into plastic packaging bags, and finally packaging the plastic packaging bags into a carton.

Finally, it should be noted that the above-mentioned list is only a specific embodiment of the present invention. It is obvious that the present invention is not limited to the above embodiments, but many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.