CN212293396U - High-precision small-size double-faced adhesive tape assembly with multi-layer different structures - Google Patents
High-precision small-size double-faced adhesive tape assembly with multi-layer different structures Download PDFInfo
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- CN212293396U CN212293396U CN202021244136.4U CN202021244136U CN212293396U CN 212293396 U CN212293396 U CN 212293396U CN 202021244136 U CN202021244136 U CN 202021244136U CN 212293396 U CN212293396 U CN 212293396U
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- faced adhesive
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Abstract
The utility model relates to a high-precision small-size multi-level different structure double faced adhesive tape assembly, which comprises a bottom release film, a first double faced adhesive tape layer, a middle release film, a second double faced adhesive tape layer and a transparent PET film from bottom to top in sequence, wherein a hollow part is formed inside the first double faced adhesive tape layer, and the outer contour line of the second double faced adhesive tape layer is positioned inside the outer contour line of the middle release film; and a handle part which extends outwards and protrudes out of the edge of the middle release film is further arranged on one side of the transparent PET film, a single-sided adhesive tape is compounded at the position, close to the outer end, of the lower surface of the handle part, a through hole is formed at the position, close to the inner end, of the handle part, and a pre-folding line is arranged at the connecting position of the handle part and the transparent PET film main body. The utility model discloses multilayer not nanostructured's double faced adhesive tape subassembly can directly be accomplished at the production line, need not the manual equipment operation, consequently the precision of production efficiency and product all can improve by a wide margin to satisfy the demand of market to output and the requirement of electronic product to its precision.
Description
The technical field is as follows:
the utility model relates to a peripheral compound cross cutting material technical field of electronic product refers in particular to a multi-level not isostructure double faced adhesive tape subassembly of high accuracy small-size.
Background art:
at present, electronic products such as computers, mobile phones and tablet computers are designed more and more precisely, and the size requirement is higher and higher, so that the requirements on various composite die cutting assemblies used in the electronic products are higher and higher.
In present cross cutting trade, often can use the component that contains multilayer double faced adhesive tape, and the size of every layer of double faced adhesive tape, molding respectively have the difference moreover, and among the prior art, the assembly process is generally adopted to like such structure spare, is about being divided into the product split two parts, and the size part split of will differing is come out die-cut shaping alone, then manual tool equipment is in the same place, but such assembly product has two inevitable shortcomings: 1. the assembly precision is not high, at least the tolerance of +/-0.2 mm exists, 2. the production efficiency is low, the capacity requirement of the order is difficult to meet, and for the small-sized electronic product precision structural member, the precision requirement is generally +/-0.1 mm and even higher.
The utility model has the following contents:
the utility model aims at overcoming the above-mentioned weak point of prior art, provide a multi-level not isostructure double faced adhesive tape subassembly of high accuracy small-size.
The utility model adopts the technical proposal that: a high-precision small-size multi-level different-structure double faced adhesive tape assembly sequentially comprises a bottom release film, a first double faced adhesive tape layer, a middle release film, a second double faced adhesive tape layer and a transparent PET film from bottom to top, wherein a hollow part is formed inside the first double faced adhesive tape layer, a release surface of the middle release film layer is compounded with the first double faced adhesive tape layer, a non-release surface is compounded with the second double faced adhesive tape layer, the outer contour line of the first double faced adhesive tape layer is equivalent to that of the middle release film layer and is equivalent to part of the outer contour line of the transparent PET film, and the outer contour line of the second double faced adhesive tape layer is positioned inside the outer contour line of the middle release film layer; and a handle part which extends outwards and protrudes out of the edge of the middle release film is further arranged on one side of the transparent PET film, a single-sided adhesive tape is compounded at the position, close to the outer end, of the lower surface of the handle part, a through hole is formed at the position, close to the inner end, of the handle part, and a pre-folding line is arranged at the joint of the handle part and the transparent PET film main body.
In the above double-sided adhesive tape assembly, the handle portion is folded toward the transparent PET film main body along the pre-folding line and the single-sided adhesive tape is positioned on the uppermost layer.
The utility model discloses multilayer not nanostructured's double faced adhesive tape subassembly integral structure can directly accomplish at the production line, need not the manual equipment operation, consequently the precision of production efficiency and product all can improve by a wide margin to satisfy the demand of market to output and the requirement of electronic product to its precision.
Description of the drawings:
fig. 1 is an exploded view of the double-sided adhesive tape assembly of the present invention;
fig. 2 is a schematic view of the double-sided adhesive tape assembly of the present invention after the handle portion is folded;
fig. 3-7 are schematic plan views of a first die cutting die to a fourth die cutting die according to the present invention;
fig. 8 is a diagram showing the effect of the four die cuts in the present invention.
The specific implementation mode is as follows:
as shown in fig. 1-2, the utility model relates to a multi-level different structure double faced adhesive tape subassembly of high accuracy small-size, this double faced adhesive tape subassembly includes from bottom to top in proper order from type membrane 1, first double faced adhesive tape layer 2, middle level from type membrane 3, second double faced adhesive tape layer 4 and transparent PET film 5, wherein, first double faced adhesive tape layer 2 inside shaping has a fretwork portion 21, the profile of middle level from type membrane 3 is compound with first double faced adhesive tape layer 2, non-from type face is compound with second double faced adhesive tape layer 4, and first double faced adhesive tape layer 2 is equivalent with the outer contour line of middle level from type membrane 3, with the partial outer contour line of transparent PET film 5, the outer contour line of second double faced adhesive tape layer 4 is located inside the outer contour line of middle level from type membrane 3, namely second double faced adhesive tape layer 4 wholly is less than middle level from type membrane 3 and first double faced adhesive tape layer 2; a handle part 51 extending outwards and protruding out of the edge of the middle release film 3 is further arranged on one side of the transparent PET film 5, a single-sided adhesive tape 6 is compounded on the lower surface of the handle part 51 close to the outer end, a through hole 52 is formed on the handle part 51 close to the inner end, and a pre-folding line 53 is arranged at the joint of the handle part 51 and the transparent PET film 5 main body.
In the above double-sided tape unit, the handle portion 51 is folded back toward the transparent PET film 5 along the pre-folding line 53 such that the single-sided tape 6 is positioned at the uppermost layer.
The utility model discloses provide the cross cutting production technology of the multi-level not isostructure double faced adhesive tape subassembly of above-mentioned high accuracy small-size simultaneously, it is shown to combine fig. 3-8, and this production technology contains following step:
step a: respectively compounding a first transitional release film and first transitional release paper on the upper surface and the lower surface of the second double-sided adhesive tape, and then performing die cutting through a first die cutting die Q1, wherein as shown in fig. 3, a first registration hole cutting edge Q11, a first linear cutting edge Q12, a first mark line cutting edge Q13 and a first positioning column Q14 are arranged on the first die cutting die Q1, and the first registration hole cutting edge Q11 cuts through the three layers of the composite tapes and forms a first registration hole on the tapes; the first straight blade Q12 cuts a boundary line of one end of the second double-sided adhesive layer 4 close to the handle part 51 on the second double-sided adhesive tape, the first marking line blade Q13 cuts a section of marking line on the first transition release paper, and the marking line is used for positioning the subsequent composite single-sided adhesive tape; then, removing the second double-sided adhesive tape waste and all the first transition release film waste except the boundary line of the second double-sided adhesive tape; then, compounding a single-sided adhesive tape on the first transitional release paper and the outer side of the mark line, and sequentially compounding a transparent PET film material tape and a first acrylic protective film material tape on the second double-sided adhesive tape and the single-sided adhesive tape; forming a composite material belt which is sequentially provided with a first transition release type paper material belt, a second double-sided adhesive material belt, a single-sided adhesive material belt, a transparent PET film material belt and a first acrylic protective film material belt from bottom to top, wherein the single-sided adhesive material belt is on the same layer as the second double-sided adhesive material belt and is spaced from the second double-sided adhesive material belt;
step b: b, enabling the composite material tape after the step a to be vertically turned (namely, the first acrylic protective film material tape is arranged at the bottom, and the first transitional release type paper material tape is arranged at the uppermost layer), and then entering a second die cutting die Q2 for die cutting, wherein as shown in fig. 4, a second positioning column Q21 corresponding to the first positioning hole is arranged on the second die cutting die Q2, a second positioning hole cutting edge Q22 is further arranged on the inner side of the second positioning column Q21, a second closing cutting edge Q23 matched with the transparent PET film 5 and the handle part 51 is further arranged on the second die cutting die Q2, a second linear cutting edge Q24 is further arranged between the outer side of the second closing cutting edge Q23 and the second positioning hole cutting edge Q22, a pre-folding line cutting edge Q25 of a breaking point type is arranged in the second closing cutting edge Q23 and at a position corresponding to the joint of the handle part, and the length of the pre-folding line cutting edge Q25 is smaller than the width of the handle part; the second nesting hole cutting edge Q22 cuts through the composite material belt to form a second nesting hole, and the second closed cutting edge Q23, the second linear cutting edge Q24 and the pre-broken line cutting edge Q25 cut through the transparent PET film material belt and partially cut through the first acrylic protective film material belt; then, removing the waste materials on the transparent PET film material belt and the transparent PET film material belt outside the transparent PET film outer frame, and removing all the first transition release paper waste materials; then, sequentially compounding a middle-layer release film material belt, a first double-sided adhesive tape and a second transition release paper material belt on a second double-sided adhesive layer formed by the exposed second double-sided adhesive tape, wherein the non-release surface of the middle-layer release film material belt faces the second double-sided adhesive tape; the formation is as follows from bottom to top in sequence: the composite material belt comprises a first acrylic protective film material belt, a transparent PET film, a second double-sided adhesive layer, a single-sided adhesive tape, a middle-layer release film material belt, a first double-sided adhesive tape and a second transition release paper material belt which are in the same layer as the second double-sided adhesive layer;
step c: c, die-cutting the composite material tape subjected to the step b by using a third die-cutting die Q3, wherein as shown in FIG. 5, a third positioning column Q31 corresponding to the second positioning hole and a third closing blade Q32 corresponding to the shape of the hollow part 21 of the first double-sided adhesive layer 2 are arranged on the third die-cutting die Q3; a third closing blade Q32 cuts through the first double-sided adhesive tape, partially cuts into the middle-layer release film tape, then removes the second transition release paper tape and the first double-sided adhesive waste material in the frame corresponding to the hollow part 21, and then compounds a layer of second transition release film tape; the formation is as follows from bottom to top in sequence: the composite material belt comprises a first acrylic protective film material belt, a transparent PET film 5, a second double-sided adhesive layer 4, a single-sided adhesive tape 6, a middle release film material belt, a first double-sided adhesive tape belt with a hollow part 21 and a second transition release film material belt, wherein the single-sided adhesive tape 6 is in the same layer as the second double-sided adhesive layer 4;
step d: c, die-cutting the composite tape subjected to the step c by using a fourth die-cutting die Q4, wherein as shown in FIG. 6, a fourth positioning post Q41 corresponding to the second positioning hole is also arranged on the fourth die-cutting die Q4, and a first half-closed blade Q42 corresponding to a partial contour line of the first double-sided adhesive layer 2 is further arranged, and is approximately shaped like a Chinese character 'ji'; the blades on the two sides of the first half-closing blade Q42 are deeply cut to the first acrylic protective film material belt, and the blade part of the first half-closing blade Q42 corresponding to the handle part 51 is cut into the transparent PET film 5 to further form a pre-folding line 53; then, removing the waste materials on two sides of the first semi-closed cutting edge Q42 and between adjacent main materials, wherein the waste materials comprise partial waste materials of the transparent PET film material belt, more than middle-layer release film material belt waste materials and first double-sided adhesive tape waste materials, removing all second transition release film material belt waste materials, and compounding a layer of third transition release film material belt; the formation is as follows from bottom to top in sequence: the composite material belt comprises a first acrylic protective film material belt, a transparent PET film 5 with a pre-folding line 53, a second double-sided adhesive layer 4, a single-sided adhesive tape 6 which is in the same layer as the second double-sided adhesive layer 4, a middle-layer release film material belt, a first double-sided adhesive material belt with a hollow part 21 and a third transition release film material belt;
step e: d, performing die cutting on the composite tape subjected to the step d by using a fifth die cutting die Q5, wherein as shown in fig. 7, the fifth die cutting die Q5 also has a fifth positioning column Q51 corresponding to the second positioning hole, and a second semi-closed blade Q52 corresponding to another part of the contour line of the first double faced adhesive layer 2, and the second semi-closed blade Q52 and the first semi-closed blade Q42 on the fourth die cutting die Q4 are matched with each other for die cutting to form a complete contour line of the first double faced adhesive layer 2; the fifth die cutting die Q5 is further provided with a through hole blade Q53 corresponding to the through hole 52 of the handle portion 51, and the through hole blade Q53 forms the through hole 52 in the handle portion 51; the second semi-closed cutting edge Q52 is semi-cut to the first acrylic protective film material strip, then all the waste materials except the second semi-closed cutting edge Q52 are removed, the waste materials comprise transparent PET film material strip waste materials, middle-layer release film material strip waste materials above the transparent PET film material strip waste materials, first double-sided adhesive material strip waste materials, and all the third transitional release film material strips are removed; and (3) the exposed first double-sided adhesive layer 2 is pasted with the bottom release film material belt in a rotating mode and then is sliced and discharged.
In the process, two groups of blades are symmetrically arranged on each die cutting die, so that two groups of double-sided adhesive tape assemblies can be formed at each time.
The utility model discloses in the production technology, after cutting into slices at last, turn over handle portion 51 along fold line 53 in advance and pack again.
In the above embodiment, the first double-sided tape finally forms the first double-sided adhesive layer 2, the middle-layer release film tape finally forms the middle-layer release film 3, the second double-sided tape finally forms the second double-sided adhesive layer 4, and the transparent PET film tape finally forms the transparent PET film 5; the bottom release film material strip finally forms a bottom release film 1 correspondingly.
The utility model discloses an adopt above-mentioned technology: firstly, in the step a and the step b, a group of sleeve position holes are arranged by turning the direction of the material belt and distributing, and the sleeve position holes are accurately transferred from one group of composite material belt to the other group of composite material belt, so that the positioning assembly of the two composite material belts is realized, and the manual operation is avoided; secondly, the release surface of the middle release film is compounded with the first double-sided adhesive tape with the hollow part, so that waste materials at the hollow part can be conveniently adhered and removed by the waste discharge adhesive tape; thirdly, because the size of the product is very small, step-by-step processing is adopted when the first double-sided adhesive tape punches the inner frame and the outer frame, the hollowed-out part is punched in the step c, and then the outer frame is punched in the steps d and e, if the outer frame and the inner frame are simultaneously punched in a die-cutting mode, the edge of the transition film or the waste material of the release film on the surface is easy to be adhered to the adhesive tape, especially under the condition that the transition film or the release film is thin and the adhesive tape is thick, the waste discharge is very inconvenient and the shape and the product quality of the double-sided adhesive layer can be influenced; and the utility model discloses the double faced adhesive tape subassembly integral structure of multilayer not isostructure can directly accomplish at the production line, need not the manual assembly operation, consequently the precision of production efficiency and product all can improve by a wide margin to satisfy the demand of market to output and the requirement of electronic product to its precision.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (2)
1. The utility model provides a multi-level different structure double faced adhesive tape subassembly of high accuracy small-size which characterized in that: the double faced adhesive tape component sequentially comprises a bottom release film, a first double faced adhesive tape layer, a middle release film, a second double faced adhesive tape layer and a transparent PET film from bottom to top, wherein a hollow part is formed inside the first double faced adhesive tape layer, a release surface of the middle release film layer is compounded with the first double faced adhesive tape layer, a non-release surface is compounded with the second double faced adhesive tape layer, the first double faced adhesive tape layer is equivalent to the outer contour line of the middle release film layer and is equivalent to part of the outer contour line of the transparent PET film, and the outer contour line of the second double faced adhesive tape layer is positioned inside the outer contour line of the middle release film layer; and a handle part which extends outwards and protrudes out of the edge of the middle release film is further arranged on one side of the transparent PET film, a single-sided adhesive tape is compounded at the position, close to the outer end, of the lower surface of the handle part, a through hole is formed at the position, close to the inner end, of the handle part, and a pre-folding line is arranged at the joint of the handle part and the transparent PET film main body.
2. The high-precision small-size multi-layer different-structure double-sided adhesive tape assembly of claim 1, wherein: the handle part is folded towards the transparent PET film main body along the pre-folding line, and the single-sided adhesive tape is positioned on the uppermost layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244136.4U CN212293396U (en) | 2020-06-29 | 2020-06-29 | High-precision small-size double-faced adhesive tape assembly with multi-layer different structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244136.4U CN212293396U (en) | 2020-06-29 | 2020-06-29 | High-precision small-size double-faced adhesive tape assembly with multi-layer different structures |
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| Publication Number | Publication Date |
|---|---|
| CN212293396U true CN212293396U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244136.4U Active CN212293396U (en) | 2020-06-29 | 2020-06-29 | High-precision small-size double-faced adhesive tape assembly with multi-layer different structures |
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|---|---|
| CN (1) | CN212293396U (en) |
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- 2020-06-29 CN CN202021244136.4U patent/CN212293396U/en active Active
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