Production process of shock absorbing die-cut assembly with different height of filling material

Abstract

This invention relates to a manufacturing process for shockproof die-cutting components with filling materials of different heights. The die-cutting components mainly include a single-sided adhesive layer, a first double-sided adhesive layer, a silicone rubber layer, a second double-sided adhesive layer, first and second filler layers of different heights, a third double-sided adhesive layer, and a fourth double-sided adhesive layer. The first filler layer and its two lower and upper sides, along with the second and third double-sided adhesive layers, have the same shape and constitute the first filler component. The second filler layer and its two upper and lower sides, along with the fourth double-sided adhesive layers, have the same shape and constitute the second filler component, and their composite thicknesses are unequal. The single-sided adhesive layer, the first double-sided adhesive layer, and the silicone rubber layer have the same shape and constitute the shockproof component. This invention overcomes the shortcomings of traditional die-cutting processes that cannot directly machine-form products with three-dimensional structures or varying heights. All steps can be performed on a flatbed die-cutting machine without the need for manual fixtures, thereby improving production efficiency and reducing labor costs.

Description

Technical Field

[0001] This invention relates to the field of die-cutting product technology, and specifically to a production process for a shockproof die-cutting assembly with filling materials of different heights. Background Technology

[0002] In fields such as electronic equipment, automobiles, and industry, the demand for infilled shock-absorbing components is increasing. These components involve three-dimensional structures and localized high and low layers. Conventional mass-production processes cannot form them in one die-cutting. Instead, they need to be broken down into multiple semi-finished products for die-cutting. These are then assembled step by step according to the product structure using a hole-to-hole method and positioning fixtures. This process often involves many processing steps and manpower, resulting in low efficiency and low precision. Therefore, an improved production process is needed to improve production efficiency and product quality. Summary of the Invention

[0003] The purpose of this invention is to overcome the above-mentioned shortcomings of the prior art and provide a production process for shockproof die-cut components with different height filling materials.

[0004] The technical solution adopted in this invention is: a production process for a shockproof die-cutting assembly with filling materials of different heights. The die-cutting assembly, from bottom to top, includes a backing paper layer, a single-sided adhesive layer, a first double-sided adhesive layer, a silicone rubber layer, a second double-sided adhesive layer, a first filling layer and a second filling layer of different heights laminated with the second double-sided adhesive layer, a third double-sided adhesive layer arranged at the same level and laminated with the first filling layer and a fourth double-sided adhesive layer laminated with the second filling layer, and a release film layer covering both the third and fourth double-sided adhesive layers; wherein the first filling layer and the second filling layer are spaced apart, and the second double-sided adhesive layer also... Divided into two spaced-out parts, the third and fourth double-sided adhesive layers are also spaced apart. The first filler layer and its two lower and upper sides, along with the second and third double-sided adhesive layers, have the same shape and constitute the first filler assembly. The second filler layer and its two lower and upper sides, along with the fourth double-sided adhesive layers, have the same shape and constitute the second filler assembly. The thickness of the first filler layer is less than that of the second filler layer. The thicknesses of the third and fourth double-sided adhesive layers are unequal, and their combined thickness is also unequal. The single-sided adhesive layer, the first double-sided adhesive layer, and the silicone rubber layer have the same shape and constitute the shock-absorbing assembly. The manufacturing process of this die-cut assembly includes the following steps:

[0005] Step a1: Take two thinner first filler layer strips and laminate them with two second double-sided adhesive strips respectively. Take another thicker second filler layer strip and laminate it with another second double-sided adhesive strip. Then laminate the first process release film strip onto the surface of the second double-sided adhesive strips respectively to obtain two sets of first filler layer semi-finished strips and one set of second filler layer semi-finished strips for later use.

[0006] Step a2: Take another first bottom film tape, compound a fourth double-sided adhesive tape in the middle of the first bottom film tape, and compound a third double-sided adhesive tape on each side of the first bottom film tape. There is a spacing between the fourth double-sided adhesive tape and the third double-sided adhesive tapes on both sides. Exclude the self-adhesive film of the double-sided adhesive tape and compound the second process release film tape respectively; then use the first flat knife module to perform the first die-cutting on the compound tape, feed the knife from above the second process release film tape. The first die-cutting forms two groups of fourth double-sided adhesive layer partial contour lines arranged centrally symmetrically on the middle fourth double-sided adhesive tape. Each group of fourth double-sided adhesive layer partial contour lines is continuous in a "Ji" shape, and the part of the fourth double-sided adhesive layer partial contour line facing the outside is the waste of the fourth double-sided adhesive tape; the first die-cutting forms a group of third double-sided adhesive layer partial contour lines and a third double-sided adhesive tape edge line on each of the third double-sided adhesive tapes on both sides. The third double-sided adhesive layer partial contour lines and the third double-sided adhesive tape edge lines on the two third double-sided adhesive tapes are also arranged centrally symmetrically. On the two third double-sided adhesive tapes, the material between the third double-sided adhesive layer partial contour line and the third double-sided adhesive tape edge line is the retained material, and the outside of the two is the waste of the third double-sided adhesive tape; the first die-cutting also forms first positioning holes on the two edges of the first bottom film tape; then exclude the waste of the fourth double-sided adhesive tape, the waste of the third double-sided adhesive tape and the second process release film tape, and form a fourth double-sided adhesive tape and a third double-sided adhesive tape with partial contour lines on the first bottom film tape;

[0007] Step a3: Then, place the two groups of first filling layer semi-finished product tapes obtained in step a1, with the first filling layer tapes facing down, and compound them to the two third double-sided adhesive tapes in step a2 respectively, so that the first filling layer tapes are compounded with the third double-sided adhesive tapes; similarly, compound the second filling layer semi-finished product tape to the fourth double-sided adhesive tape in step a2, so that the second filling layer tape is compounded with the fourth double-sided adhesive tape; at this time, in the middle part of the first bottom film tape, a fourth double-sided adhesive tape with partial contour, a second filling layer tape, a second double-sided adhesive tape, and a first process release film tape are compounded in sequence. On both sides of the first bottom film tape, a third double-sided adhesive tape with partial contour, a first filling layer tape, a second double-sided adhesive tape, and a first process release film tape are compounded in sequence respectively;

[0008] Step b1: The composite strip after step a3 is die-cut a second time using the second flat die-cutting die set. The second die-cutting die cuts through the first positioning hole formed by the first die-cutting die, and enters from above the first process release film strip. It sequentially cuts through the middle of the first process release film strip, the second double-sided adhesive strip, and the second filler layer strip, cutting out two sets of second filler layer local contour lines that are similar in shape to the local contour lines of the fourth double-sided adhesive layer. These two sets of second filler layer local contour lines are also centrally symmetrically arranged. Then, the waste of the second filler layer strip, the waste of the second double-sided adhesive strip, and the waste of the first process release film strip are removed, excluding the waste of the second filler layer local contour lines.

[0009] Step c1: The composite strip after step b1 is die-cut for the third time using the third flat die assembly. The third die-cut still aligns with the first positioning hole formed in the first die-cut. The die enters from above the first process release film strip and sequentially cuts through the first process release film strip, the second double-sided adhesive strip, the first filler layer strip, and the third double-sided adhesive strip on both sides. Simultaneously, it sequentially cuts through the first process release film strip, the second double-sided adhesive strip, the second filler layer strip, and the fourth double-sided adhesive strip in the middle section. The remaining second filler layer outline is formed on the second double-sided adhesive strip, the second filler layer strip, and the fourth double-sided adhesive strip in the middle section. This remaining second filler layer outline is consistent with the partial outline of the fourth double-sided adhesive layer and the partial outline of the second filler layer in steps a2 and b1. The outline forms the complete outline of the second filler component; the complete outline of the first filler component is formed on the second double-sided adhesive tape, the first filler layer tape, and the third double-sided adhesive tape on both sides; then the waste outside the frame of the first filler component and the second filler component, as well as the waste of the first process release film inside the frame, are removed. At this time, on the first support film tape, two sets of second filler components are arranged at intervals in the middle area, and one set of first filler components is arranged in each of the two side areas. The first filler components are arranged from bottom to top as the third double-sided adhesive layer, the first filler layer, and the second double-sided adhesive layer. The second filler components are arranged from bottom to top as the fourth double-sided adhesive layer, the second filler layer, and the second double-sided adhesive layer. Then, the third process release film tape is laminated on the exposed second double-sided adhesive layer and wound up for later use.

[0010] Step d1: Take another second bottom film tape. Compound a single-sided adhesive tape, a first double-sided adhesive tape, and a silicone rubber tape on the second bottom film tape in sequence. Then, peel off the third process release film tape from the compound tape wound in step c1, expose its second double-sided adhesive layer facing downwards and compound it with the silicone rubber tape. Next, perform the fourth die-cutting on the compound tape through the fourth flat knife module. The fourth die-cutting is still carried out with the first positioning holes on the first bottom film tape as the registration for die-cutting. Feed the knife from the first bottom film tape downwards and semi-cut to the second bottom film tape, successively cutting through the first bottom film tape, the silicone rubber tape, the first double-sided adhesive tape, and the single-sided adhesive tape to form the outer contour lines of two sets of shock-absorbing components arranged in central symmetry. And each set of the inner parts of the outer contour lines of the shock-absorbing components respectively contains a first filling component and a second filling component. Then, remove the first bottom film tape inside and outside the outer contour lines of the shock-absorbing components, compound the final carrier release film tape on the exposed third double-sided adhesive layer and fourth double-sided adhesive layer. Finally, remove the second bottom film tape from below and transfer it to the carrier backing paper tape, and wind it up to complete the production of the die-cutting component with shock-absorbing materials filled at different heights. Then, slit it as required later.

[0011] In the above production process, the die of the first flat knife module is provided with two sets of fourth double-sided adhesive layer partial contour line blades (also in a continuous "Ji" shape) corresponding to the partial contour lines of the fourth double-sided adhesive layer, two sets of third double-sided adhesive layer partial contour line blades corresponding to the partial contour lines of the third double-sided adhesive layer, two sets of third double-sided adhesive tape edge line blades corresponding to the edge lines of the third double-sided adhesive tape, two sets of first positioning hole blades corresponding to the first positioning holes, and two sets of first registration guide posts corresponding to the first positioning holes, and they are respectively arranged in a central symmetry manner;

[0012] In the above production process, the die of the second flat knife module is provided with two sets of second filling layer partial contour line blades corresponding to the partial contour lines of the second filling layer, two sets of second registration guide posts corresponding to the first positioning holes, and a first elastic top block is arranged in the area between the two sets of second filling layer partial contour line blades; they are respectively arranged in a central symmetry manner;

[0013] In the above production process, the die of the third flat knife module is provided with two sets of remaining second filling layer contour line blades corresponding to the remaining contour lines of the second filling layer, two sets of first filling layer contour line blades corresponding to the contour lines of the first filling layer, two sets of third registration guide posts corresponding to the first positioning holes, and a second elastic top block is arranged in the area corresponding to the first filling layer and the second filling layer; they are respectively arranged in a central symmetry manner;

[0014] In the above production process, the die of the fourth flat knife module is provided with two sets of shock-absorbing component outer contour line blades corresponding to the outer contour lines of the shock-absorbing components and two sets of fourth registration guide posts corresponding to the first positioning holes, and they are also respectively arranged in a central symmetry manner.

[0015] This invention employs the aforementioned process, overcoming the limitations of traditional die-cutting processes that cannot directly machine-form products with three-dimensional structures or varying heights. All steps can be performed on a flatbed die-cutting machine without the need for manual or semi-automatic fixtures, thereby improving production efficiency and reducing labor costs. Furthermore, the invention's process design is applicable to other functional products with the same structural type, and also contributes to improved product precision. Attached Figure Description

[0016] Figure 1 , Figure 2 These are perspective views and planar layered diagrams of a component produced according to an embodiment of the present invention;

[0017] Figure 3 yes Figure 1 Schematic diagram of the exploded structure of the embodiment;

[0018] Figure 4-1 This is a schematic diagram of the die-cutting effect, i.e., the die structure, of the first die-cutting process in this invention;

[0019] Figure 4-2 This is a schematic diagram of the die-cutting effect, i.e., the die structure, of the second die-cutting process in this invention;

[0020] Figure 4-3 This is a schematic diagram of the die-cutting effect, i.e., the die structure, of the third die-cutting process in this invention;

[0021] Figure 4-4 This is a schematic diagram of the die-cutting effect, i.e., the die structure, of the fourth die-cutting process in this invention;

[0022] Figure 4-5 This is a schematic diagram of the effect of four die-cutting layers superimposed. Detailed Implementation

[0023] This invention describes a production process for shockproof die-cut components with filling materials of different heights. First, as... Figures 1-3As shown, the die-cutting assembly, from bottom to top, includes a backing paper layer 1, a single-sided adhesive layer 21, a first double-sided adhesive layer 22, a silicone rubber layer 23, a second double-sided adhesive layer 32 (42), a first filler layer 31 and a second filler layer 41 of different heights that are bonded to the second double-sided adhesive layer, a third double-sided adhesive layer 33 that is bonded to the first filler layer 31 and a fourth double-sided adhesive layer 43 that is bonded to the second filler layer 41, arranged at the same level, and a release film layer 5 that covers the third double-sided adhesive layer 33 and the fourth double-sided adhesive layer 43; wherein the first filler layer 31 and the second filler layer 41 are spaced apart, and the second double-sided adhesive layer 32 (42) is also divided into two spaced parts to bond with the first filler layer 31 and the second filler layer 41 respectively. Layer 41 is composited, with the third double-sided adhesive layer 33 and the fourth double-sided adhesive layer 43 also spaced apart. The first filler layer 31 and its two lower and upper sides, the second double-sided adhesive layers 32 and the third double-sided adhesive layer 33, have the same shape and constitute the first filler component 3. The second filler layer 41 and its two lower and upper sides, the second double-sided adhesive layers 42 and the fourth double-sided adhesive layer 43, have the same shape and constitute the second filler component 4. The thickness of the first filler layer 31 is less than the thickness of the second filler layer 41. The thicknesses of the third double-sided adhesive layer 33 and the fourth double-sided adhesive layer 43 are unequal, and their composite thicknesses are also unequal. The single-sided adhesive layer 21, the first double-sided adhesive layer 22, and the silicone rubber layer 23 have the same shape and constitute the shockproof component 2. The manufacturing process of this die-cut component includes the following steps:

[0024] Step a1: Take two thinner first filler layer strips and laminate them with two second double-sided adhesive strips respectively. Take another thicker second filler layer strip and laminate it with another second double-sided adhesive strip. Remove the face paper of each strip and laminate the first process release film strip onto the surface of the second double-sided adhesive strip respectively to obtain two first filler layer semi-finished strips and one second filler layer semi-finished strip, for later use.

[0025] Step a2: Take another first support film strip, remove its own film, and place the adhesive side upwards. Lay a fourth double-sided adhesive strip in the middle of the first support film strip. Lay a third double-sided adhesive strip on each side of the first support film strip, with a gap between the fourth double-sided adhesive strip and the two third double-sided adhesive strips. Remove the film from the double-sided adhesive strips and lay a second release film strip on each side. Figure 4-1As shown, the composite tape is then subjected to the first die-cutting using the first flat knife module M1. The knife enters from above the second process release film tape. During the first die-cutting, two sets of locally profiled fourth double-sided adhesive layer contour lines M101 arranged centrally symmetrically are formed on the middle fourth double-sided adhesive tape. Each set of the fourth double-sided adhesive layer locally profiled contour lines M101 is continuously arranged in a "ji" shape, and the part of the fourth double-sided adhesive layer locally profiled contour line M101 facing the outside is the waste of the fourth double-sided adhesive tape. During the first die-cutting, one set of third double-sided adhesive layer locally profiled contour lines M102 and one third double-sided adhesive tape edge line M103 are respectively formed on the third double-sided adhesive tapes on both sides. The third double-sided adhesive layer locally profiled contour lines M102 and the third double-sided adhesive tape edge lines M103 on the two third double-sided adhesive tapes are also respectively arranged centrally symmetrically. On the two third double-sided adhesive tapes, the material between the third double-sided adhesive layer locally profiled contour line M102 and the third double-sided adhesive tape edge line M103 is the retained material, and the outside of the two is the waste of the third double-sided adhesive tape. The first die-cutting also forms first positioning holes M104 at the two edges of the first backing film tape. Two semi-finished products of the die-cutting component of the present invention can be formed per pitch on the composite tape. Then, the waste of the fourth double-sided adhesive tape, the waste of the third double-sided adhesive tape, and the second process release film tape are removed, and a fourth double-sided adhesive tape and a third double-sided adhesive tape with locally profiled contours are formed on the first backing film tape.

[0026] Step a3: Then, the two sets of first filling layer semi-finished product tapes obtained in step a1 are respectively laminated onto the two third double-sided adhesive tapes in step a2 with the first filling layer tape facing downwards, so that the first filling layer tape is laminated with the third double-sided adhesive tape. Similarly, the second filling layer semi-finished product tape is laminated onto the fourth double-sided adhesive tape in step a2, so that the second filling layer tape is laminated with the fourth double-sided adhesive tape. At this time, in the middle part of the first backing film tape, the fourth double-sided adhesive tape with local contours, the second filling layer tape, the second double-sided adhesive tape, and the first process release film tape are laminated in sequence. On both sides of the first backing film tape, the third double-sided adhesive tape with local contours, the first filling layer tape, the second double-sided adhesive tape, and the first process release film tape are laminated in sequence.

[0027] Step b1: In combination with Figure 4-2 As shown, the composite tape after step a3 is subjected to the second die-cutting using the second flat knife module M2. The second die-cutting is registered with the first positioning holes M104 formed by the first die-cutting. The knife enters from above the first process release film tape, and successively cuts through the first process release film tape, the second double-sided adhesive tape, and the second filling layer tape in the middle part, and cuts out two sets of second filling layer locally profiled contour lines M201 with shapes equivalent to the fourth double-sided adhesive layer locally profiled contour lines M101. And the two sets of the second filling layer locally profiled contour lines M201 are also arranged centrally symmetrically. And when performing the second die-cutting, as in Figure 4-3Add an elastic top block to the shaded area to make the corresponding second filler layer material strip and the fourth double-sided adhesive material strip tightly bonded; then remove the waste material of the second filler layer material strip, the waste material of the second double-sided adhesive material strip and the waste material of the first process release film material strip, except for the local outline line M201 of the second filler layer.

[0028] Step c1, combined Figure 4-3 As shown, the composite strip after step b1 is die-cut for the third time by the third flat die-cutting module M3. The third die-cutting still aligns with the first positioning hole M104 formed by the first die-cutting. The die enters from above the first process release film strip and sequentially cuts through the first process release film strip, the second double-sided adhesive strip, the first filler layer strip, and the third double-sided adhesive strip on both sides. At the same time, it sequentially cuts through the first process release film strip, the second double-sided adhesive strip, the second filler layer strip, and the fourth double-sided adhesive strip in the middle section. The second double-sided adhesive strip in the middle section... The remaining second filler layer outline M301 is formed on the top adhesive strip, the second filler layer strip, and the fourth double-sided adhesive strip. The remaining second filler layer outline M301, together with the partial outline M101 of the fourth double-sided adhesive layer and the partial outline M201 of the second filler layer in steps a2 and b1, forms the complete outline of the second filler component 4. The complete outline M302 of the first filler component is formed on the second double-sided adhesive strip, the first filler layer strip, and the third double-sided adhesive strip at both sides. And during the third die-cutting, as... Figure 4-3 The shaded area shown is also reinforced with an elastic top block to further ensure that the first and second filling layers are tightly bonded to the third and fourth double-sided adhesive layers, respectively. Then, the waste material outside the frame of the first and second filling components and the waste material of the first process release film inside the frame are removed. At this time, on the first support film strip, two sets of second filling components are arranged at intervals in the middle area, and one set of first filling components is arranged in each of the two side areas. The first filling components are arranged from bottom to top as the third double-sided adhesive layer, the first filling layer, and the second double-sided adhesive layer. The second filling components are arranged from bottom to top as the fourth double-sided adhesive layer, the second filling layer, and the second double-sided adhesive layer. Then, the third process release film strip is bonded to the exposed second double-sided adhesive layer and wound up for later use.

[0029] Step d1: Take a second backing film strip and sequentially laminate a single-sided adhesive strip, a first double-sided adhesive strip, and a silicone rubber strip onto this second backing film strip. Before lamination, peel off the self-adhesive film from each strip. Then, peel off the release film strip from the laminated strip wound in step c1, exposing the second double-sided adhesive layer downwards, and laminate it with the silicone rubber strip. Figure 4-4As shown, the compounded strip is then subjected to a fourth die-cutting by the fourth flat die module M4. The fourth die-cutting is still carried out with the first positioning hole M104 on the first bottom film strip as the registration for die-cutting. The knife enters from the first bottom film strip downward and semi-cuts to the second bottom film strip, successively cutting through the first bottom film strip, the silicone rubber strip, the first double-sided adhesive strip, and the single-sided adhesive strip, forming the outer contour lines M401 of two sets of shockproof components arranged in central symmetry. Combined with Figure 4-5 As shown, each of the inner parts of the outer contour lines M401 of the shockproof components contains a first filling component 3 and a second filling component 4; then the first bottom film strip inside and outside the outer contour lines M401 of the shockproof components is removed, and the final carrier release film strip is compounded on the exposed third double-sided adhesive layer and fourth double-sided adhesive layer. Finally, the second bottom film strip is removed from the bottom and transferred to the carrier backing paper strip, and the winding completes the production of the die-cutting components filled with shockproof materials of different heights. Subsequent slitting can be carried out as needed. Before slitting, a protective film can also be compounded on the surface as needed to prevent scratching.

[0030] In this embodiment, the first filling layer 31 is a thin PC with a thickness of 0.5 mm, the second filling layer 3 is a thick PC with a thickness of 0.85 mm, the thickness of the second double-sided adhesive layer 32(42) is 0.1 mm, the thickness of the third double-sided adhesive layer 33 is 0.12 mm, the thickness of the fourth double-sided adhesive layer 43 is 0.十六毫米,硅橡胶层23在防震组件2中的厚度为1.2毫米,单面胶层32为厚度0.05毫米的PI单面胶;第一双面胶层22的厚度为0.05毫米。

[0031] In the above production process, again as Figure 4-1 As shown, the die mold of the first flat die module M1 is provided with two sets of fourth double-sided adhesive layer partial contour line cutting edges R101 corresponding to the partial contour line M101 of the fourth double-sided adhesive layer (also in a continuous "J" shape), two sets of third double-sided adhesive layer partial contour line cutting edges R102 corresponding to the partial contour line M102 of the third double-sided adhesive layer, two sets of third double-sided adhesive strip edge line cutting edges R103 corresponding to the edge line M103 of the third double-sided adhesive strip, two sets of first positioning hole cutting edges R104 corresponding to the first positioning hole M104, and two sets of first registration guide posts R105 corresponding to the first positioning hole M104, and they are respectively arranged in a central symmetry manner;

[0032] In the above production process, again as Figure 4-2 As shown, the die mold of the second flat die module M2 is provided with two sets of second filling layer partial contour line cutting edges R201 corresponding to the partial contour line M201 of the second filling layer, two sets of second registration guide posts R202 corresponding to the first positioning hole M104, and a first elastic top block R203 is provided in the area between the two sets of second filling layer partial contour line cutting edges R201, that is Figure 4-2As shown in the shaded area, the first elastic top block R203 is made of steel and is connected to the die with elastic adhesive to make it elastic. The first elastic top block R203 protrudes 0.1mm from the cutting edge, which can make the corresponding second filler layer strip and the fourth double-sided adhesive strip tightly bonded together; they are arranged in a centrally symmetrical manner.

[0033] In the above-mentioned production process, for example... Figure 4-3 As shown, the die of the third flat die module M3 is provided with two sets of remaining second fill layer contour line cutting edges R301 corresponding to the remaining second fill layer contour line M301, two sets of first fill layer contour line cutting edges R302 corresponding to the first fill layer contour line M302, and two sets of third sleeve guide posts R303 corresponding to the first positioning hole M104. In addition, a second elastic top block R304 is provided in the area corresponding to the first fill layer 3 and the second fill layer 4 (the second elastic top block R304 and the first elastic top block R203 have the same structure, principle and function); they are arranged in a centrally symmetrical manner.

[0034] In the above production process, the die of the fourth flat die M4 is provided with two sets of anti-vibration component outline blades R401 corresponding to the outline of the anti-vibration component M401, and two sets of fourth positioning guide posts R402 corresponding to the first positioning hole M104, which are also arranged symmetrically to each other.

[0035] In summary, the present invention, employing the aforementioned process, overcomes the shortcomings of traditional die-cutting processes that cannot directly machine-form products with three-dimensional structures or varying heights. All steps can be performed on a flatbed die-cutting machine without the need for manual or semi-automatic fixtures, thereby improving production efficiency and reducing labor costs. Furthermore, the invention's process design is applicable to other functional products with the same structural type and also contributes to improved product precision.

[0036] It is understood that the above embodiments are merely exemplary implementations used to illustrate the principles of the present invention, and the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A manufacturing process for a shockproof die-cut assembly with filling materials of different heights, the die-cut assembly comprising, from bottom to top, a backing paper layer, a single-sided adhesive layer, a first double-sided adhesive layer, a silicone rubber layer, a second double-sided adhesive layer, a first filling layer and a second filling layer of different heights simultaneously laminated with the second double-sided adhesive layer, a third double-sided adhesive layer laminated with the first filling layer and a fourth double-sided adhesive layer laminated with the second filling layer arranged at the same level, and a release film layer covering both the third and fourth double-sided adhesive layers; wherein, The first filling layer and the second filling layer are spaced apart, and the second double-sided adhesive layer is also divided into two spaced parts. The third double-sided adhesive layer and the fourth double-sided adhesive layer are also spaced apart. The first filling layer and the second double-sided adhesive layers on its upper and lower surfaces and the third double-sided adhesive layer have the same shape and form the first filling component. The second filling layer and the second double-sided adhesive layers on its upper and lower surfaces and the fourth double-sided adhesive layer have the same shape and form the second filling component; the thickness of the first filling layer is less than the thickness of the second filling layer, the thicknesses of the third double-sided adhesive layer and the fourth double-sided adhesive layer are not equal, and their composite thicknesses are also not equal; the single-sided adhesive layer, the first double-sided adhesive layer, and the silicone rubber layer have the same shape and form the shockproof component; it is characterized in that: the production process of the die-cutting component includes the following steps: Step a1, take two thinner first filling layer tapes and two second double-sided adhesive tapes and respectively laminate them. Take another thicker second filling layer tape and another second double-sided adhesive tape and laminate them, and respectively laminate the first process release film tape on the surface of the second double-sided adhesive tape to obtain two groups of first filling layer semi-finished tapes and one group of second filling layer semi-finished tapes for standby; Step a2, take another first backing film tape, laminate the fourth double-sided adhesive tape in the middle of the first backing film tape, laminate one third double-sided adhesive tape on each side of the first backing film tape, and there is a spacing between the fourth double-sided adhesive tape and the third double-sided adhesive tapes on both sides. Exclude the self-adhesive film of the double-sided adhesive tape and respectively laminate the second process release film tape; then perform the first die-cutting on the laminated tape with the first flat die module, feed the knife from above the second process release film tape. The first die-cutting forms two groups of fourth double-sided adhesive layer partial contour lines arranged in central symmetry on the middle fourth double-sided adhesive tape. Each group of fourth double-sided adhesive layer partial contour lines is continuous in a "ji" shape, and the part of the fourth double-sided adhesive layer partial contour line facing the outside is the waste of the fourth double-sided adhesive tape; the first die-cutting forms one group of third double-sided adhesive layer partial contour lines and one third double-sided adhesive tape edge line on each of the third double-sided adhesive tapes on both sides. The third double-sided adhesive layer partial contour lines and the third double-sided adhesive tape edge lines on the two third double-sided adhesive tapes are also arranged in central symmetry respectively. On the two third double-sided adhesive tapes, the material between the third double-sided adhesive layer partial contour line and the third double-sided adhesive tape edge line is the reserved material, and the outside of the two is the waste of the third double-sided adhesive tape; the first die-cutting also forms the first positioning holes on the two edges of the first backing film tape; then exclude the waste of the fourth double-sided adhesive tape and the third double-sided adhesive tape and the second process release film tape, and form the fourth double-sided adhesive tape and the third double-sided adhesive tape with local contour lines on the first backing film tape; Step a3: Then, the two sets of first filler layer semi-finished material strips obtained in step a1 are laminated onto the two third double-sided adhesive strips in step a2 with the first filler layer material strip facing down, so that the first filler layer material strip is laminated with the third double-sided adhesive strip; similarly, the second filler layer semi-finished material strip is laminated onto the fourth double-sided adhesive strip in step a2, so that the second filler layer material strip is laminated with the fourth double-sided adhesive strip; at this time, the fourth double-sided adhesive strip with a partial outline, the second filler layer material strip, the second double-sided adhesive strip, and the first process release film material strip are laminated sequentially in the middle part of the first base film material strip, while the third double-sided adhesive strip with a partial outline, the first filler layer material strip, the second double-sided adhesive strip, and the first process release film material strip are laminated sequentially in the two sides of the first base film material strip; Step b1: The composite strip after step a3 is die-cut a second time using the second flat die-cutting die set. The second die-cutting die cuts through the first positioning hole formed by the first die-cutting die, and enters from above the first process release film strip. It sequentially cuts through the middle of the first process release film strip, the second double-sided adhesive strip, and the second filler layer strip, cutting out two sets of second filler layer partial contour lines that are similar in shape to the partial contour lines of the fourth double-sided adhesive layer. These two sets of second filler layer partial contour lines are also centrally symmetrically arranged. Then, the waste of the second filler layer strip, the waste of the second double-sided adhesive strip, and the waste of the first process release film strip are removed, excluding the second filler layer partial contour lines. Step c1: The composite strip after step b1 is die-cut for the third time using the third flat die assembly. The third die-cut still aligns with the first positioning hole formed in the first die-cut. The die enters from above the first process release film strip and sequentially cuts through the first process release film strip, the second double-sided adhesive strip, the first filler layer strip, and the third double-sided adhesive strip on both sides. Simultaneously, it sequentially cuts through the first process release film strip, the second double-sided adhesive strip, the second filler layer strip, and the fourth double-sided adhesive strip in the middle section. The remaining second filler layer outline is formed on the second double-sided adhesive strip, the second filler layer strip, and the fourth double-sided adhesive strip in the middle section. This remaining second filler layer outline is consistent with the partial outline of the fourth double-sided adhesive layer and the partial outline of the second filler layer in steps a2 and b1. The outline forms the complete outline of the second filler component; the complete outline of the first filler component is formed on the second double-sided adhesive tape, the first filler layer tape, and the third double-sided adhesive tape on both sides; then the waste outside the frame of the first filler component and the second filler component, as well as the waste of the first process release film inside the frame, are removed. At this time, on the first support film tape, two sets of second filler components are arranged at intervals in the middle area, and one set of first filler components is arranged in each of the two side areas. The first filler components are arranged from bottom to top as the third double-sided adhesive layer, the first filler layer, and the second double-sided adhesive layer. The second filler components are arranged from bottom to top as the fourth double-sided adhesive layer, the second filler layer, and the second double-sided adhesive layer. Then, the third process release film tape is laminated on the exposed second double-sided adhesive layer and wound up for later use. Step d1: Take a second backing film strip and sequentially laminate a single-sided adhesive strip, a first double-sided adhesive strip, and a silicone rubber strip onto it. Then, peel off the release film strip from the third process of the laminated strip wound in step c1, exposing the second double-sided adhesive layer downwards to laminate with the silicone rubber strip. Next, perform a fourth die-cut on the laminated strip using a fourth flat die assembly. The fourth die-cut still uses the first positioning hole on the first backing film strip for positioning, with the die entering downwards from the first backing film strip, partially cutting into the second backing film strip, and sequentially cutting through the first backing film strip. The process involves using a strip of silicone rubber, a first double-sided adhesive strip, and a single-sided adhesive strip to form two sets of centrally symmetrical shock-absorbing component outlines. Each set of shock-absorbing component outlines contains a first filling component and a second filling component. Then, the first support film strip inside and outside the shock-absorbing component outlines is removed. Finally, the last carrier release film strip is laminated onto the exposed third and fourth double-sided adhesive layers. Finally, the second support film strip is removed from below and transferred to the carrier backing paper strip. The process is then completed by winding up the components to produce die-cut shock-absorbing components with different heights of filling material.

2. The production process of the shockproof die-cutting assembly with different height filling materials according to claim 1, characterized in that: The first flat die set has two sets of cutting edges corresponding to the partial contour lines of the fourth double-sided adhesive layer, two sets of cutting edges corresponding to the partial contour lines of the third double-sided adhesive layer, two sets of cutting edges corresponding to the edge lines of the third double-sided adhesive strip, two sets of cutting edges corresponding to the edge lines of the third double-sided adhesive strip, two sets of cutting edges corresponding to the first positioning hole, and two sets of first positioning guide posts corresponding to the first positioning hole, and they are arranged in a centrally symmetrical manner.

3. The production process of the shockproof die-cutting assembly with different height filling materials according to claim 2, characterized in that: The die of the second flat die set is provided with two sets of second filler layer local contour line cutting edges corresponding to the local contour line of the second filler layer, two sets of second sleeve guide posts corresponding to the first positioning hole, and a first elastic top block is provided in the area between the two sets of second filler layer local contour line cutting edges; they are arranged in a centrally symmetrical manner.

4. The production process of the shockproof die-cutting assembly with different height filling materials according to claim 3, characterized in that: The die of the third flat die set is provided with two sets of blades corresponding to the remaining second fill layer contour line, two sets of blades corresponding to the first fill layer contour line, and two sets of third sleeve guide posts corresponding to the first positioning hole. A second elastic top block is provided in the area corresponding to the first fill layer and the second fill layer. They are arranged in a centrally symmetrical manner.

5. The production process of the shockproof die-cutting assembly with different height filling materials according to claim 4, characterized in that: The fourth flat die set has two sets of blades corresponding to the outline of the shock-absorbing component and two sets of fourth guide posts corresponding to the first positioning hole, which are also arranged symmetrically to each other.

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