CN-118181901-B - Production process of shockproof die-cutting assembly with filling materials at different heights

CN118181901BCN 118181901 BCN118181901 BCN 118181901BCN-118181901-B

Abstract

The invention relates to a production process of an anti-vibration die-cutting assembly with filling materials at different heights, which mainly comprises a single-sided adhesive layer, a first double-sided adhesive layer, a silicon rubber layer, a second double-sided adhesive layer, a first filling layer, a second filling layer, a third double-sided adhesive layer and a fourth double-sided adhesive layer which are at different heights, wherein the first filling layer, the second double-sided adhesive layer and the third double-sided adhesive layer which are arranged on the lower side and the upper side of the first filling layer are identical in shape and form the first filling assembly, the second filling layer, the second double-sided adhesive layer and the fourth double-sided adhesive layer which are arranged on the upper side and the lower side of the second filling layer are identical in shape and form the second filling assembly, the composite thicknesses of the second filling layer, the single-sided adhesive layer, the first double-sided adhesive layer and the silicon rubber layer are identical in shape and form the anti-vibration assembly. The process overcomes the defect that the traditional die cutting process can not directly carry out machine forming aiming at products with three-dimensional structures and local high and low layers, and all the steps can be realized on a flat-knife die cutting machine without the assistance of a manual jig, thereby improving the production efficiency and reducing the labor cost.

Inventors

HU ZONGWEI
LUO HUI
LI RIFEI

Assignees

捷邦精密科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20240409

Claims (5)

1. A production process of a shockproof die-cutting assembly with filling materials of different heights comprises a lining 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 which are arranged at the same level and are in different heights, a third double-sided adhesive layer which is in compounding with the first filling layer and a fourth double-sided adhesive layer which is in compounding with the second filling layer and are in compounding with the second filling layer, and release film layers which are in compounding with the second filling layer and are in compounding with the third double-sided adhesive layer, wherein the first filling layer and the second filling layer are separated from each other, the second double-sided adhesive layer is also divided into two parts at intervals, the third double-sided adhesive layer and the fourth double-sided adhesive layer are also separated, the first filling layer and the second double-sided adhesive layer on the lower two sides are identical in shape and form the first filling assembly, the second filling layer and the second double-sided adhesive layer are identical in shape and form the second filling assembly, the first filling layer is smaller than the second filling layer, the third double-sided adhesive layer and the fourth double-sided adhesive layer are not identical in thickness, the second double-sided adhesive layer and the fourth double-sided adhesive layer are identical in thickness, and the second double-sided adhesive layer are also identical in shape, and the following two-sided adhesive layer are not identical, and the first double-sided adhesive layer and the same in forming step, and the shockproof assembly is produced, and different in shape, and the step, and the production process component comprises the steps. Step a1, respectively compounding two thinner first filling layer material belts and two second double-sided adhesive material belts, compounding one thicker second filling layer material belt and the other second double-sided adhesive material belt, and respectively compounding a first process release film material belt on the surfaces of the second double-sided adhesive material belts to obtain two groups of first filling layer semi-finished product material belts and one group of second filling layer semi-finished product material belts for later use; Step a2, additionally taking a first backing film material belt, compounding a fourth double-sided adhesive material belt in the middle of the first backing film material belt, compounding a third double-sided adhesive material belt on two sides of the first backing film material belt respectively, and arranging a space between the fourth double-sided adhesive material belt and the third double-sided adhesive material belts on two sides, removing self-carried films of the double-sided adhesive material belt, and compounding a second process release film material belt respectively; then, carrying out primary die cutting on the composite material belt by using a first flat cutter module, feeding from the upper part of the film material belt in the second process, and forming two groups of central symmetrically arranged fourth double-sided adhesive layer local contour lines on the fourth double-sided adhesive material belt in the middle by the primary die cutting, wherein each group of fourth double-sided adhesive layer local contour lines are continuous in a shape like a Chinese character 'ji', and the part of the fourth double-sided adhesive layer local contour line facing to the outer side is fourth double-sided adhesive material belt waste; forming a group of third double-sided adhesive layer local contour lines and a third double-sided adhesive layer edge line on the third double-sided adhesive layer strips on two sides respectively by the first die cutting, wherein the third double-sided adhesive layer local contour lines and the third double-sided adhesive layer edge lines on the two third double-sided adhesive layer strips are also arranged in a central symmetry mode respectively, materials between the third double-sided adhesive layer local contour lines and the third double-sided adhesive layer edge lines are reserved materials, and the outer sides of the third double-sided adhesive layer local contour lines and the third double-sided adhesive layer edge lines are third double-sided adhesive layer waste materials; Step a3, then compounding the two groups of first filling layer semi-finished product material belts obtained in the step a1 onto the two third double-sided adhesive material belts in the step a2 respectively with the first filling layer material belts facing downwards, so that the first filling layer material belts are compounded with the third double-sided adhesive material belts, and compounding the second filling layer semi-finished product material belts onto the fourth double-sided adhesive material belts in the step a2 in the same way, so that the second filling layer material belts are compounded with the fourth double-sided adhesive material belts, wherein at the moment, the fourth double-sided adhesive material belts, the second filling layer material belts, the second double-sided adhesive material belts and the first process release film material belts with local contours are compounded in sequence at the middle part of the first backing film material belts, and the third double-sided adhesive material belts, the first filling layer material belts, the second double-sided adhesive material belts and the first process release film material belts with local contours are compounded in sequence at the two side parts of the first backing film material belts respectively; Step b1, carrying out secondary die cutting on the composite material belt obtained after the step a3, namely, carrying out secondary die cutting on a second flat cutter module, feeding a first positioning hole formed by primary die cutting on a second die cutting sleeve position, sequentially cutting through a first process release film material belt, a second double-sided adhesive material belt and a second filling layer material belt in the middle part, and cutting out two groups of second filling layer local contour lines which are equivalent to the local contour lines of a fourth double-sided adhesive layer, wherein the two groups of second filling layer local contour lines are also arranged in a central symmetry manner; Step c1, carrying out third die cutting on the composite material belt subjected to the step b1, wherein the third die cutting is still sleeved with a first positioning hole formed by the first die cutting, feeding is carried out from the upper part of the first process release film material belt, sequentially cutting through a first process release film material belt, a second double-sided adhesive material belt, a first filling layer material belt and a third double-sided adhesive material belt at two sides, sequentially cutting through a first process release film material belt, a second double-sided adhesive material belt, a second filling layer material belt and a fourth double-sided adhesive material belt at the middle part, forming a residual second filling layer contour line on the second double-sided adhesive material belt, the second filling layer material belt and the fourth double-sided adhesive material belt at the middle part, and forming a complete contour line of the second filling assembly by the residual second filling layer contour line, the fourth double-sided adhesive layer local contour line and the second filling layer local contour line in the step a2 and the step b 1; forming complete contour lines of a first filling assembly on a second double-sided adhesive tape, a first filling layer material tape and a third double-sided adhesive tape at two sides, then removing waste outside a frame of the first filling assembly and the second filling assembly and waste in a first process release film in the frame, at the moment, arranging two groups of second filling assemblies at intervals in a middle area on a first backing film material tape, arranging a group of first filling assemblies at two sides, wherein the first filling assemblies are a third double-sided adhesive layer, a first filling layer and a second double-sided adhesive layer in sequence from bottom to top, the second filling assemblies are a fourth double-sided adhesive layer, a second filling layer and a second double-sided adhesive layer in sequence from bottom to top, and then compounding a third process release film material tape on the exposed second double-sided adhesive layer for standby; Step d1, a second backing film material belt is additionally taken, a single-sided adhesive material belt, a first double-sided adhesive material belt and a silicone rubber material belt are sequentially compounded on the second backing film material belt, then the composite material belt rolled in the step c1 is stripped, a third process release film material belt is stripped, the second double-sided adhesive layer of the composite material belt is exposed downwards and is compounded with the silicone rubber material belt, a fourth die cutting is carried out on the compounded material belt by a fourth flat knife module, the fourth die cutting is still carried out by a first positioning hole sleeve position on the first backing film material belt, the first backing film material belt is fed downwards, the second backing film material belt is half-cut, the first backing film material belt, the silicone rubber material belt, the first double-sided adhesive material belt and the single-sided adhesive material belt are sequentially cut through, two groups of contour lines of vibration-proof components which are symmetrically arranged in a center are formed, and the inside of the contour lines of each group of vibration-proof components respectively comprise a first filling component and a second filling component; and then removing the first supporting base film material strips outside the outline of the shockproof assembly, compounding the final bearing release film material strips on the exposed third double-sided adhesive layer and the exposed fourth double-sided adhesive layer, finally removing the second supporting base film material strips from the lower part, and attaching the second supporting base film material strips onto the bearing lining paper material strips, and rolling to finish the production of the shockproof material die-cutting assemblies with different heights.
2. The process for producing the shockproof die-cutting assembly with the filling materials with different heights according to claim 1, wherein the die of the first flat die set is provided with two groups of cutting edges of a local contour line of a fourth double-sided adhesive layer, two groups of cutting edges of the local contour line of the third double-sided adhesive layer, two groups of cutting edges of the edge line of the third double-sided adhesive tape, two groups of cutting edges of a first positioning hole, two groups of first positioning guide posts, which correspond to the first positioning hole, and the two groups of cutting edges of the local contour line of the third double-sided adhesive layer, the two groups of cutting edges of the edge line of the third double-sided adhesive tape, the two groups of cutting edges of the first positioning hole, and the two groups of first positioning guide posts, which correspond to the first positioning hole, are respectively arranged in a central symmetry manner.
3. The process for producing the shockproof die-cutting assembly with the filling materials with different heights according to claim 2, wherein the die of the second flat die set is provided with two groups of second filling layer local contour line cutting edges corresponding to the second filling layer local contour lines, two groups of second positioning guide posts corresponding to the first positioning holes, and a first elastic ejector block is arranged in a region between the two groups of second filling layer local contour line cutting edges, wherein the first elastic ejector blocks are respectively arranged in a central symmetry mode.
4. The process for producing the shockproof die-cutting assembly with the filling materials with different heights according to claim 3, wherein the cutting die of the third flat cutting die set is provided with two groups of residual second filling layer contour line cutting edges corresponding to residual second filling layer contour lines, two groups of first filling layer contour line cutting edges corresponding to first filling layer contour lines and two groups of third set of positioning guide posts corresponding to first positioning holes, and second elastic top blocks are arranged in the areas corresponding to the first filling layer and the second filling layer and are respectively arranged in a central symmetry mode.
5. The process of claim 4, wherein the fourth flat knife module has two sets of cutting edges corresponding to the profile of the shockproof assembly and two sets of fourth guide posts corresponding to the first positioning holes and are arranged in a central symmetry manner.

Description

Production process of shockproof die-cutting assembly with filling materials at different heights Technical Field The invention relates to the technical field of die-cut products, in particular to a production process of shockproof die-cut components with filling materials at different heights. Background In fields such as electronic equipment, automobiles and industry, the requirements for filling shockproof assemblies are higher and higher, the filling shockproof assemblies with a three-dimensional structure and a local high-low level are related, a conventional die cutting production process cannot be used for one-step die cutting molding, the level is required to be split into a plurality of semi-finished products for die cutting, and the semi-finished products are assembled and molded step by using a positioning jig according to a product structure in a hole-to-hole mode, so that the problems of high labor, low efficiency, low precision and the like are solved, and therefore, an improved production process is required to improve the production efficiency and the product quality. Disclosure of Invention The invention aims to overcome the defects of the prior art and provide a production process of a shockproof die-cutting assembly with filling materials of different heights. The invention adopts the technical scheme that the production process of the shockproof die-cutting assembly with filling materials of different heights comprises a lining layer, a single-sided adhesive layer, a first double-sided adhesive layer, a silicon rubber layer, a second double-sided adhesive layer, a first filling layer and a second filling layer which are simultaneously compounded with the second double-sided adhesive layer and have different heights, a third double-sided adhesive layer which is arranged in the same layer and is respectively compounded with the first filling layer, and a fourth double-sided adhesive layer which is compounded with the second filling layer, and a release film layer which simultaneously covers the third double-sided adhesive layer and the fourth double-sided adhesive layer, wherein the first filling layer and the second filling layer are separated from each other, the second double-sided adhesive layer is also divided into two parts at intervals, the third double-sided adhesive layer and the fourth double-sided adhesive layer are also separated, the first filling layer and the second double-sided adhesive layer on the upper side of the second filling layer are identical in shape and form the first filling assembly, the second filling layer and the second double-sided adhesive layer on the lower side of the second filling layer are identical in shape and form the second filling assembly, the first filling layer is smaller in thickness than the second filling layer, the second double-sided adhesive layer is also identical in thickness with the second double-sided adhesive layer and the second double-sided adhesive layer is different in shape, and the shockproof rubber layer is produced by the steps of the same as the first double-sided adhesive layer and the second double-sided adhesive layer and different in thickness and the step: Step a1, respectively compounding two thinner first filling layer material belts and two second double-sided adhesive material belts, compounding one thicker second filling layer material belt and the other second double-sided adhesive material belt, and respectively compounding a first process release film material belt on the surfaces of the second double-sided adhesive material belts to obtain two groups of first filling layer semi-finished product material belts and one group of second filling layer semi-finished product material belts for later use; Step a2, additionally taking a first backing film material belt, compounding a fourth double-sided adhesive material belt in the middle of the first backing film material belt, compounding a third double-sided adhesive material belt on two sides of the first backing film material belt respectively, and arranging a space between the fourth double-sided adhesive material belt and the third double-sided adhesive material belts on two sides, removing self-carried films of the double-sided adhesive material belt, and compounding a second process release film material belt respectively; then, carrying out primary die cutting on the composite material belt by using a first flat cutter module, feeding from the upper part of the film material belt in the second process, and forming two groups of central symmetrically arranged fourth double-sided adhesive layer local contour lines on the fourth double-sided adhesive material belt in the middle by the primary die cutting, wherein each group of fourth double-sided adhesive layer local contour lines are continuous in a shape like a Chinese character 'ji', and the part of the fourth double-sided adhesive layer local contour line facing to the outer side is fourth double-sided adh