CN111376342B - A die-cutting device for miniaturized foam products - Google Patents
A die-cutting device for miniaturized foam products Download PDFInfo
- Publication number
- CN111376342B CN111376342B CN201811614528.2A CN201811614528A CN111376342B CN 111376342 B CN111376342 B CN 111376342B CN 201811614528 A CN201811614528 A CN 201811614528A CN 111376342 B CN111376342 B CN 111376342B
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- Prior art keywords
- foam
- double
- die
- sided adhesive
- cutting
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- 239000006260 foam Substances 0.000 title claims abstract description 126
- 239000002699 waste material Substances 0.000 claims abstract description 61
- 239000002390 adhesive tape Substances 0.000 claims abstract description 41
- 239000010410 layer Substances 0.000 claims abstract description 40
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 239000012790 adhesive layer Substances 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000003292 glue Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000010837 adhesive waste Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 229920000742 Cotton Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention relates to a die cutting device for miniaturized foam products, wherein the foam products comprise a release film layer, a double-sided adhesive layer and a foam layer which are sequentially attached together from bottom to top, the length of the foam layer is larger than that of the double-sided adhesive layer, and the die cutting device comprises a composite material belt feeding unit, a double-sided adhesive die cutting unit, a double-sided adhesive waste discharging unit, a foam feeding unit, a foam die cutting unit and a foam waste discharging unit which are sequentially arranged along the moving direction of a material belt. Compared with the prior art, the invention firstly uses the double-sided adhesive tape die-cutting knife to die-cut the whole adhesive area on the double-sided adhesive tape, so as to avoid the problems of displacement, glue overflow and the like of the double-sided adhesive tape, then uses the foam die-cutting knife to die-cut the outer contour of a foam product on the foam layer, and simultaneously cuts between the product adhesive area in the whole adhesive area and the double-sided adhesive tape waste area, thereby simplifying the processing steps, realizing smooth die-cutting processing of the foam product, avoiding the problems of glue overflow, waste discharge difficulty, product falling and the like, and ensuring the product quality.
Description
Technical Field
The invention belongs to the technical field of foam product processing, and relates to a die cutting device for a miniaturized foam product.
Background
In the past, a one-step forming punching process is often adopted for processing foam products, and the foam products can be quickly and accurately punched on a material belt by one-step punching through a die cutter.
Along with the continuous development of technology, electronic products are gradually thinned and miniaturized, corresponding die-cut products for the electronic products are also becoming smaller and smaller, and the technical requirements of the die-cut industry are also becoming higher and higher. At present, when more and more miniaturized foam products are processed by adopting a traditional one-step punching process, the problems of glue overflow, difficult waste discharge, more product falling sheets and the like appear, and a plurality of troubles are caused for subsequent processing and application, and direct economic loss is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a die cutting device for miniaturized foam products.
The aim of the invention can be achieved by the following technical scheme:
A cross cutting device for miniaturized bubble cotton product, bubble cotton product include from bottom to top laminating in proper order and be in the same place from type rete, double faced adhesive tape and bubble cotton layer, the length on bubble cotton layer be greater than the length on double faced adhesive tape, cross cutting device including along the compound material area feeding unit, double faced adhesive tape die cutting unit, double faced adhesive tape waste discharge unit, bubble cotton feeding unit, bubble cotton die cutting unit and bubble cotton waste discharge unit that the material area direction of movement set gradually.
As a preferable technical scheme, in the foam product, the length of the foam layer is 4.5-5.5mm, preferably 5.10mm, the width is 2-2.5mm, preferably 2.26mm, and the thickness is 1.5-1.6mm, preferably 1.55mm.
Further, a protective film is arranged at the bottom of the release film layer. The protection film is convenient for protect the material belt during die cutting processing.
Further, foam non-glue areas are arranged at two ends of the foam layer. The foam non-adhesive area corresponds to the two-end retracting parts of the double-sided adhesive layer, and the double-sided adhesive is not arranged in the foam non-adhesive area.
As a preferable technical scheme, the width of the foam non-glue area (namely the interval between the end of the double-sided adhesive layer and the end of the foam layer) is 0.04-0.06mm, preferably 0.05mm.
Further, the composite material belt feeding unit comprises a composite material belt feeding roller and a composite material belt wound on the composite material belt feeding roller, wherein the composite material belt comprises a protective film, a release film layer, a double-sided adhesive layer and an auxiliary release film which are sequentially attached together from bottom to top. The composite material belt feeding roller sequentially feeds the composite material belt to other units.
Further, the double-sided adhesive tape die cutting unit comprises a first upper die holder, a first lower die holder arranged below the first upper die holder and a double-sided adhesive tape die cutting knife arranged on the lower surface of the first upper die holder. The double-sided adhesive tape die cutter cuts through the auxiliary release film and the double-sided adhesive tape at the same time, and die cutting is carried out on the double-sided adhesive layer.
Further, the double-sided adhesive tape die-cutting knife is hollow rectangular, and a plurality of product adhesive areas and a plurality of double-sided adhesive tape waste areas are sequentially and alternately distributed in the hollow rectangular along the length direction of the hollow rectangular. Double-sided tape die-cutting knife is arranged on double-sided adhesive layer and (5) die-cutting the upper die to form a whole glue area. In the whole glue area, the double-sided glue part of the product glue area is the double-sided glue layer in the final foam product, and the length of the product glue area is smaller than that of the foam layer, so that the single die cutting is firstly carried out, the width of the product glue area is the same as that of the foam layer, and the die cutting can be carried out together with the outer contour of foam in a subsequent foam die cutting unit. And the double-sided adhesive part of the double-sided adhesive waste area is discharged after being die-cut together with foam outer frame waste in a subsequent foam die-cutting unit and a foam waste discharging unit.
Further, the double faced adhesive tape waste discharging unit comprises a double faced adhesive tape waste discharging roller arranged above the material belt and a double faced adhesive tape waste discharging roller driving motor in transmission connection with the double faced adhesive tape waste discharging roller, the foam waste discharging unit comprises a foam waste discharging roller arranged above the material belt and a foam waste discharging roller driving motor in transmission connection with the foam waste discharging roller, and the foam feeding unit comprises a foam feeding roller arranged above the material belt. The waste discharge roller driving motor drives the corresponding waste discharge roller to rotate, so that waste discharge is realized. The foam layer sent by the foam feeding roller is attached to the double-sided adhesive layer after the whole adhesive area is discharged from the material belt.
Further, the foam die-cutting unit comprises a second upper die holder, a second lower die holder arranged below the second upper die holder and a foam die-cutting rule arranged on the lower surface of the second upper die holder. The foam die cutter cuts through the foam layer and the double-sided adhesive layer simultaneously.
Further, the foam die-cutting rule comprises a plurality of foam outer contour die-cutting edges which are sequentially arranged on the lower surface of the second upper die base along the length direction of the second upper die base. The foam outer contour die-cutting edge die-cuts the outer contour of foam products on the foam layer, simultaneously cuts between a product glue area and a double-sided adhesive waste area in the whole glue area remained on the double-sided adhesive layer, and then simultaneously discharges the double-sided adhesive waste area and foam outer contour waste.
Further, the foam die-cutting rule also comprises a waste discharge cutting edge which is arranged on the lower surface of the second upper die holder and is connected with the foam outer contour die-cutting edge. The waste discharging cutting edge cuts a waste discharging line on the foam layer, so that the whole waste discharging is convenient.
In the invention, the length of the double-sided adhesive layer is properly reduced, so that a certain distance is reserved between the two ends of the double-sided adhesive layer and the two ends of the foam layer, the application of the whole foam product is not adversely affected, and the problems of adhesion, waste discharge difficulty, product falling and the like caused by a small amount of glue overflow of the double-sided adhesive layer can be avoided. During die cutting, the composite material belt sent by the composite material belt feeding unit is die-cut in the double-sided adhesive tape die-cutting unit, the double-sided adhesive tape is processed, then the double-sided adhesive tape is subjected to waste discharge, the foam layer is attached to the double-sided adhesive tape on the material belt through the foam feeding unit, the foam layer is processed through the foam die-cutting unit, and finally redundant waste is discharged at the foam waste discharge unit.
Compared with the prior art, the invention has the following characteristics:
1) The shape of the foam layer and the width of the double-sided adhesive layer are not changed, and only the two ends of the double-sided adhesive layer are retracted to form a foam non-adhesive area, so that adverse effects on the application of the whole foam product are avoided, and the problems of adhesion, waste discharge difficulty, product falling and the like caused by a small amount of glue overflow of the double-sided adhesive layer can be avoided;
2) The whole glue area is die-cut on the double-sided adhesive layer by utilizing the double-sided adhesive tape die-cutting knife, the problems of displacement, glue overflow and the like of the double-sided adhesive tape are avoided, the outer contour of a foam product is die-cut on the foam layer by utilizing the foam die-cutting knife, and meanwhile, the product glue area in the whole glue area and the double-sided adhesive tape waste area are cut, so that the processing steps are simplified, smooth die-cutting processing of the foam product is realized, the problems of glue overflow, waste discharge difficulty, product falling and the like are avoided, and the product quality is ensured.
Drawings
FIG. 1 is a schematic cross-sectional view of a foam product of the present invention;
FIG. 2 is a schematic structural view of a foam non-glue area according to the present invention;
FIG. 3 is a schematic view of the overall structure of the die cutting device of the present invention;
FIG. 4 is a schematic cross-sectional view of a composite strip according to the present invention;
FIG. 5 is a schematic view showing the bottom view of the double sided tape cutter according to the present invention;
FIG. 6 is a schematic view showing the bottom view of the foam molding cutter according to the present invention;
The figure indicates:
1-release film layer, 2-double-sided adhesive layer, 3-foam layer, 4-protective film, 5-foam non-adhesive area, 6-composite material belt feeding roller, 7-composite material belt, 8-auxiliary release film, 9-first upper die holder, 10-first lower die holder, 11-double-sided adhesive die cutter, 12-product adhesive area, 13-double-sided adhesive waste area, 14-double-sided adhesive waste discharge roller, 15-foam waste discharge roller, 16-foam feeding roller, 17-second upper die holder, 18-second lower die holder, 19-foam die cutter, 20-foam outer profile die cutting edge and 21-waste discharge edge.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Examples:
The foam product shown in fig. 1 comprises a release film layer 1, a double-sided adhesive layer 2 and a foam layer 3 which are sequentially attached together from bottom to top, wherein the length of the foam layer 3 is greater than that of the double-sided adhesive layer 2. The bottom of the release film layer 1 is also provided with a protective film 4. As shown in fig. 2, foam non-glue areas 5 are arranged at both ends of the foam layer 3.
The die cutting device for miniaturized foam products shown in fig. 3 comprises a composite material belt feeding unit, a double-sided adhesive tape die cutting unit, a double-sided adhesive tape waste discharging unit, a foam feeding unit, a foam die cutting unit and a foam waste discharging unit which are sequentially arranged along the moving direction of a material belt.
The composite material belt feeding unit comprises a composite material belt feeding roller 6 and a composite material belt 7 wound on the composite material belt feeding roller 6, and as shown in fig. 4, the composite material belt 7 comprises a protective film 4, a release film layer 1, a double-sided adhesive layer 2 and an auxiliary release film 8 which are sequentially attached together from bottom to top.
The double sided tape die cutting unit comprises a first upper die holder 9, a first lower die holder 10 arranged below the first upper die holder 9, and a double sided tape die cutting knife 11 arranged on the lower surface of the first upper die holder 9. As shown in fig. 5, the double-sided adhesive tape die-cutting knife 11 is hollow rectangular, and a plurality of product adhesive areas 12 and a plurality of double-sided adhesive tape waste areas 13 are alternately arranged in sequence along the length direction of the hollow rectangular.
The double faced adhesive tape waste discharging unit comprises a double faced adhesive tape waste discharging roller 14 arranged above a material belt and a double faced adhesive tape waste discharging roller driving motor in transmission connection with the double faced adhesive tape waste discharging roller 14, the foam waste discharging unit comprises a foam waste discharging roller 15 arranged above the material belt and a foam waste discharging roller driving motor in transmission connection with the foam waste discharging roller 15, and the foam feeding unit comprises a foam feeding roller 16 arranged above the material belt.
The foam die-cutting unit comprises a second upper die holder 17, a second lower die holder 18 arranged below the second upper die holder 17, and a foam die-cutting rule 19 arranged on the lower surface of the second upper die holder 17. As shown in fig. 6, the foam die cutter 19 includes a plurality of foam outer contour die cutting edges 20 sequentially provided on the lower surface of the second upper die holder 17 in the length direction of the second upper die holder 17. The foam die cutter 19 further includes a waste discharge edge 21 provided on the lower surface of the second upper die holder 17 and connected to the foam outer contour die cutting edge 20.
By properly reducing the length of the double-sided adhesive layer 2, certain intervals are reserved between the two ends of the double-sided adhesive layer 2 and the two ends of the foam layer 3, adverse effects on the application of the whole foam product are avoided, and the problems of adhesion, waste discharge difficulty, product falling and the like caused by a small amount of overflow of the double-sided adhesive layer 2 can be avoided. During die cutting, the composite material belt 7 sent by the composite material belt feeding unit is die-cut in the double-sided adhesive die cutting unit to process the double-sided adhesive layer 2, waste is discharged from the double-sided adhesive layer 2, the foam layer 3 is attached to the double-sided adhesive layer 2 on the material belt through the foam feeding unit, the foam layer 3 is processed through the foam die cutting unit, and finally redundant waste is discharged from the foam waste discharging unit.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (1)
1. The die-cutting device for the miniaturized foam product comprises a release film layer (1), a double-sided adhesive layer (2) and a foam layer (3) which are sequentially attached together from bottom to top, wherein the length of the foam layer (3) is greater than that of the double-sided adhesive layer (2), and the die-cutting device is characterized by comprising a composite material belt feeding unit, a double-sided adhesive die-cutting unit, a double-sided adhesive waste discharge unit, a foam feeding unit, a foam die-cutting unit and a foam waste discharge unit which are sequentially arranged along the moving direction of a material belt;
Foam non-glue areas (5) are arranged at two ends of the foam layer (3);
the double-sided adhesive tape die cutting unit comprises a first upper die holder (9), a first lower die holder (10) arranged below the first upper die holder (9) and a double-sided adhesive tape die cutting knife (11) arranged on the lower surface of the first upper die holder (9), wherein the double-sided adhesive tape die cutting knife (11) is in a hollow rectangle, and a plurality of product adhesive areas (12) and a plurality of double-sided adhesive tape waste areas (13) are sequentially and alternately arranged in the hollow rectangle along the length direction of the hollow rectangle;
The foam die-cutting unit comprises a second upper die holder (17), a second lower die holder (18) arranged below the second upper die holder (17) and foam die-cutting knives (19) arranged on the lower surface of the second upper die holder (17), wherein the foam die-cutting knives (19) comprise a plurality of foam outer contour die-cutting edges (20) which are sequentially arranged on the lower surface of the second upper die holder (17) along the length direction of the second upper die holder (17), and the foam die-cutting knives (19) also comprise waste discharge cutting edges (21) which are arranged on the lower surface of the second upper die holder (17) and are connected with the foam outer contour die-cutting edges (20);
The bottom of the release film layer (1) is also provided with a protective film (4);
The composite material belt feeding unit comprises a composite material belt feeding roller (6) and a composite material belt (7) wound on the composite material belt feeding roller (6), wherein the composite material belt (7) comprises a protective film (4), a release film layer (1), a double-sided adhesive layer (2) and an auxiliary release film (8) which are sequentially attached together from bottom to top;
The double faced adhesive tape waste discharging unit comprises a double faced adhesive tape waste discharging roller (14) arranged above a material belt and a double faced adhesive tape waste discharging roller driving motor in transmission connection with the double faced adhesive tape waste discharging roller (14), the foam waste discharging unit comprises a foam waste discharging roller (15) arranged above the material belt and a foam waste discharging roller driving motor in transmission connection with the foam waste discharging roller (15), and the foam feeding unit comprises a foam feeding roller (16) arranged above the material belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614528.2A CN111376342B (en) | 2018-12-27 | 2018-12-27 | A die-cutting device for miniaturized foam products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614528.2A CN111376342B (en) | 2018-12-27 | 2018-12-27 | A die-cutting device for miniaturized foam products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111376342A CN111376342A (en) | 2020-07-07 |
| CN111376342B true CN111376342B (en) | 2025-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811614528.2A Active CN111376342B (en) | 2018-12-27 | 2018-12-27 | A die-cutting device for miniaturized foam products |
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| Country | Link |
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| CN (1) | CN111376342B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376341B (en) * | 2018-12-27 | 2025-02-14 | 上海昊佰智造精密电子股份有限公司 | A high-flatness die-cutting device for polyester products |
| CN111762616A (en) * | 2020-07-15 | 2020-10-13 | 横店集团东磁股份有限公司 | Mechanism for automatically punching attached material and implementation method thereof |
| CN111817507A (en) * | 2020-07-15 | 2020-10-23 | 横店集团东磁股份有限公司 | A device for automatically attaching double-sided tape and foam to a flat motor and its realization method |
| CN113977687B (en) * | 2020-07-27 | 2023-05-30 | 昊佰电子科技（上海）有限公司 | Preparation method of special-shaped foam die-cut piece |
| CN113977700B (en) * | 2020-07-27 | 2023-05-30 | 昊佰电子科技（上海）有限公司 | Die-cutting piece preparation method capable of reducing glue pulling damage |
| CN114571527B (en) * | 2020-11-30 | 2023-12-15 | 上海昊佰智造精密电子股份有限公司 | Anti-falling sheet manufacturing method of conductive foam die-cut piece |
| CN113183236B (en) * | 2021-04-14 | 2023-07-28 | 郑州领胜科技有限公司 | Die cutting method for foam material belt product |
| CN115805625A (en) * | 2022-12-23 | 2023-03-17 | 苏州久泰精密技术股份有限公司 | A Die-cutting Process for Thick Foam without Knife Marks |
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| CN203542719U (en) * | 2013-11-08 | 2014-04-16 | 厦门市鑫力胜印刷包装有限公司 | Label double-die-cutting laminating machine |
| CN206154422U (en) * | 2016-09-23 | 2017-05-10 | 上海景奕电子科技有限公司 | A cutting device for having substrate double faced adhesive tape |
| CN209364809U (en) * | 2018-12-27 | 2019-09-10 | 昊佰电子科技（上海）有限公司 | A die-cutting device for miniaturized foam products |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108656703B (en) * | 2017-03-30 | 2023-08-11 | 昊佰电子科技（上海）有限公司 | Die cutting method and device for conductive cloth with ultrathin single-sided adhesive layer |
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2018
- 2018-12-27 CN CN201811614528.2A patent/CN111376342B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203542719U (en) * | 2013-11-08 | 2014-04-16 | 厦门市鑫力胜印刷包装有限公司 | Label double-die-cutting laminating machine |
| CN206154422U (en) * | 2016-09-23 | 2017-05-10 | 上海景奕电子科技有限公司 | A cutting device for having substrate double faced adhesive tape |
| CN209364809U (en) * | 2018-12-27 | 2019-09-10 | 昊佰电子科技（上海）有限公司 | A die-cutting device for miniaturized foam products |
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