CN116277298A - Cross feeding die-cutting machine and processing technology - Google Patents
Cross feeding die-cutting machine and processing technology Download PDFInfo
- Publication number
- CN116277298A CN116277298A CN202310325185.2A CN202310325185A CN116277298A CN 116277298 A CN116277298 A CN 116277298A CN 202310325185 A CN202310325185 A CN 202310325185A CN 116277298 A CN116277298 A CN 116277298A
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- roller
- die
- protective film
- pressing roller
- material belt
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- 238000005520 cutting process Methods 0.000 title claims abstract description 33
- 238000005516 engineering process Methods 0.000 title abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 74
- 239000000047 product Substances 0.000 claims description 19
- 239000011265 semifinished product Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B26F1/44—Cutters therefor; Dies therefor
-
- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- 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
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
-
- 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
- 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
-
- 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)
Abstract
The invention provides a cross feeding die-cutting machine and a processing technology, wherein the die-cutting machine comprises a base, a stamping die, a first feeding mechanism and a second feeding mechanism, wherein the first feeding mechanism and the second feeding mechanism are arranged on two sides of the base, feeding directions of the first feeding mechanism and the second feeding mechanism are mutually vertically staggered, a first material belt is conveyed on the first feeding mechanism, a protective film is circularly conveyed through the second feeding mechanism for use, and the second material belt is transferred to the protective film and is pressed and punched with the first material belt punching die. According to the cross feeding die-cutting machine and the processing technology, the annular conveying structure is utilized to enable the protective film to serve as a bearing film, the protective film is circularly conveyed and used, the production cost is reduced, in addition, the advance of the protective film is controlled through the color code sensor, punching and pasting are carried out on two materials in the die, the processing procedures of products of the type of structure are saved, the production efficiency of the products is improved, and the consistency of the quality of the products is guaranteed.
Description
Technical Field
The invention relates to the technical field of die cutting, in particular to a cross feeding die cutting machine and a processing technology.
Background
The die cutting machine is also called a cutting machine and a numerical control punching machine, and is mainly used for die cutting, indentation and gold stamping operations, laminating and automatic waste discharge of corresponding non-metal materials, self-adhesive tapes, EVA (ethylene vinyl acetate), double-sided tapes, electronics, mobile phone rubber pads and the like. At present, aiming at products with a plurality of structural layers, the traditional process needs to separate compound die cutting, the production efficiency is low, the protective film is frequently used in separate die cutting processing, the protective film cannot be recycled, and the production cost of the products is improved.
Disclosure of Invention
The invention aims to provide a cross feeding die-cutting machine and a processing technology, which aim to solve the technical problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a cross feed cross cutting machine, includes base, stamping die, first feed mechanism and second feed mechanism are installed in the both sides of base, first feed mechanism and second feed mechanism's feed direction mutually perpendicular crisscross, stamping die installs on the base, first feed mechanism includes first driving roller subassembly and second driving roller subassembly, first driving roller subassembly and second driving roller subassembly are installed respectively in stamping die's left and right sides, second feed mechanism includes third driving roller subassembly, conveying roller and a plurality of tensioning roller, the front side at stamping die is installed to third driving roller subassembly, the conveying roller corresponds the rear side of installing at stamping die, a plurality of tensioning roller are installed in the below of base, third driving roller subassembly, conveying roller and tensioning roller form an annular circulation conveying structure.
The stamping die comprises an upper die and a lower die, wherein the upper die is located right above the lower die, the lower die is fixed on a base, a die cutting tool is installed on the lower side of the upper die, a color code sensor is installed on the front side of the lower die, the color code sensor is fixedly connected with the base through a locating support, and the color code sensor is arranged on the rear side of the third driving roller assembly and above the third driving roller assembly.
The first driving roller assembly and the second driving roller assembly have the same structure, the first driving roller assembly comprises a first upper pressing roller and a first lower pressing roller, the first upper pressing roller is right above the first lower pressing roller, the second driving roller assembly comprises a second upper pressing roller and a second lower pressing roller, and the second upper pressing roller is right above the second lower pressing roller; the third driving roller assembly comprises a third upper pressing roller and a third lower pressing roller, and the third upper pressing roller is right above the third lower pressing roller.
The tensioning rollers are two, namely a first tensioning roller and a second tensioning roller, the first tensioning roller and the second tensioning roller are arranged on the front side and the rear side of the base, the first tensioning roller is arranged below the conveying roller, and the second tensioning roller is arranged below the third driving roller assembly.
The processing technology of the cross feeding die-cutting machine comprises the following processing steps:
step S1, conveying a first material belt to the direction of a stamping die through a first feeding mechanism, passing a protective film between a third upper pressing roller and a third lower pressing roller, winding the protective film to a conveying roller, bypassing the first tensioning roller and the second tensioning roller from the conveying roller, returning the protective film to the third upper pressing roller and the third lower pressing roller to form a circularly used substrate, winding a second material belt from the upper side of the third upper pressing roller to the position between the third upper pressing roller and the third lower pressing roller, and penetrating the second material belt to the front side of a third driving roller assembly, wherein the second material belt is in contact and press fit with the protective film, and comprises a bottom film and a precut semi-finished product;
s2, transferring the semi-finished product on the protective film through pressing of a second material belt and a third driving roller assembly;
step S3, conveying the protective film stuck with the semi-finished product in the step II into a stamping die, enabling the first material belt to be above the protective film, enabling the upper die to move downwards, and carrying out die cutting through combination with the lower die, wherein the die cutting is carried out to form a first material belt and the semi-finished product which are completely penetrated, the protective film is not penetrated, and the obtained finished product is adhered to the protective film;
and S4, continuously conveying the punched finished product along with the feeding of the protective film to take the product out.
The protective film is a PET film, the thickness of the protective film is 0.1-0.2mm, and the bonding strength of the protective film is 1-40g/in.
The height between the first material belt and the protective film is 5-10mm.
Compared with the prior art, the cross feeding die-cutting machine and the processing technology have the advantages that the annular conveying structure is utilized to enable the protective film to serve as a bearing film, the protective film is circularly conveyed for use, the use of backing materials during die cutting is saved, the production cost is reduced, in addition, the advance of the protective film is controlled through the color code sensor, the two materials are punched and pasted in the die, the processing procedure of products of the type of structure is saved, the continuous mass production process can be realized, the production efficiency of products is improved, and the consistency of the product quality is guaranteed.
Drawings
Fig. 1: the three-dimensional structure schematic diagram of the cross feeding die-cutting machine is provided;
fig. 2: the working principle of the application is schematically shown.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Specific example 1: referring to fig. 1 and 2, in an embodiment of the present invention, a cross feeding die-cutting machine includes a base 1, a stamping die 2, a first feeding mechanism 3 and a second feeding mechanism 4, the first feeding mechanism 3 and the second feeding mechanism 4 are installed on two sides of the base 1, feeding directions of the first feeding mechanism 3 and the second feeding mechanism 4 are vertically staggered, the stamping die 2 is installed on the base 1, the stamping die 2 includes an upper die 201 and a lower die 202, the upper die 201 is located right above the lower die 202, the lower die 202 is fixed on the base 1, and a die-cutting tool is installed on the lower side of the upper die 201.
The first feeding mechanism 3 comprises a first driving roller assembly 301 and a second driving roller assembly 302, the first driving roller assembly 301 and the second driving roller assembly 302 are respectively arranged on the left side and the right side of the stamping die 2, the first driving roller assembly 301 and the second driving roller assembly 302 are identical in structure, the first driving roller assembly 301 comprises a first upper pressing roller 301-1 and a first lower pressing roller 301-2, the first upper pressing roller 301-1 is directly above the first lower pressing roller 301-2, the first upper pressing roller 301-1 and the first lower pressing roller 301-2 are connected in a rotating mode, the second driving roller assembly 302 comprises a second upper pressing roller 302-1 and a second lower pressing roller 302-2, the second upper pressing roller 302-1 is directly above the second lower pressing roller 302-2, the second upper pressing roller 302-1 and the second lower pressing roller 302-2 are connected in a rotating mode, and during production operation, a first material belt 5 passes through between the first upper pressing roller 301-1 and the first lower pressing roller 301-2 to convey materials between the second upper pressing roller 302-1 and the second lower pressing roller 302-2.
The second feeding mechanism 4 comprises a third driving roller assembly 401, a conveying roller 402 and a plurality of tensioning rollers, two tensioning rollers are arranged in the application, namely a first tensioning roller 403 and a second tensioning roller 404, the third driving roller assembly 401 is arranged on the front side of the base 1 and on the front side of the stamping die 2, the conveying roller 402 is correspondingly arranged on the rear side of the stamping die 2, the third driving roller assembly 401 comprises a third upper pressing roller 401-1 and a third lower pressing roller 401-2, the third upper pressing roller 401-1 is directly above the third lower pressing roller 401-2, the third upper pressing roller 401-1 and the third lower pressing roller 401-2 are connected in a rotating mode, the first tensioning roller 403 and the second tensioning roller 404 are arranged on the front side and the rear side of the base 1, the first tensioning roller 403 is arranged below the conveying roller 402, the second tensioning roller 404 is arranged below the third driving roller assembly 401, and the conveying roller 402 and the tensioning rollers form an annular circulating conveying structure.
The front side of the lower die 202 is provided with a color code sensor 8, the color code sensor 8 is fixedly connected with the base 1 through a positioning bracket 9, and the color code sensor 8 is arranged on the rear side of the third driving roller assembly 401 and above the third driving roller assembly 401.
The processing technology of the cross feeding die-cutting machine comprises the following processing steps:
step S1, preparing a first material belt 5, a protective film 6 and a second material belt 7, wherein the protective film 6 adopted in the application is a PET film, conveying the first material belt 5 to the direction of a stamping die 2 through a first feeding mechanism 3, passing the protective film 6 between a third upper pressing roller 401-1 and a third lower pressing roller 401-2, then winding the protective film 6 to a conveying roller 402, enabling the adhesive surface of the protective film 6 to be upward, bypassing a first tensioning roller 403 and a second tensioning roller 404 from the conveying roller 402, returning the protective film 6 between the third upper pressing roller 401-1 and the third lower pressing roller 401-2, bonding the protective film 6 end to end through adhesive tapes to form a circular recyclable substrate structure, winding the second material belt 7 to the front side of a third upper pressing roller 401-1 and a third lower pressing roller 401-2 from above the third upper pressing roller 401-1, enabling the second material belt 7 to be in contact with the protective film 6, and bonding the second material belt 7 comprises a semi-finished product of a pre-cut bottom film and a pre-finished product;
in step S2, the second material belt 7 is transferred to the protective film 6 by pressing the third driving roller assembly 401, and the adhesive surface of the protective film 6 faces upwards, that is, the semi-finished product on the second material belt 7 can be transferred to the protective film 6 by pressing the third upper pressing roller 401-1 and the third lower pressing roller 401-2 while the second material belt 7 is conveyed into the third driving roller.
Step S3, conveying the protective film 6 stuck with the semi-finished product in the step II into the stamping die 2, enabling the first material belt 5 to be above the protective film 6, enabling the upper die 201 to move downwards and be pressed and punched with the lower die 202, punching the protective film 6 to form a first material belt 5 and the semi-finished product to be completely penetrated, enabling the obtained finished product to be stuck on the protective film 6, sensing that the semi-finished product is stuck on the protective film 6 through the color code sensor 8 in the conveying process, then sending a signal to a corresponding driving mechanism to drive the protective film 6 to move, realizing that the sticking and punching of different products can be achieved without a sleeve position process, and saving production raw materials.
And S4, continuously conveying the finished product punched in the step three along with the feeding of the protective film 6 to take out the product.
In this application, the height between the first material area 5 and the protection film 6 is 5-10mm, and in this embodiment, the height between the first material area 5 and the protection film 6 is 5mm, guarantees that the first material area 5 and the protection film 6 do not have conflict when walking the material.
The thickness of the protective film 6 used in the present application is 0.1 to 0.2mm, the adhesive strength of the protective film 6 is 1 to 40g/in, and the protective film 6 having an adhesive strength of 20g/in and a thickness of 0.1mm is used in the present embodiment.
Compared with the prior art, the cross feeding die-cutting machine and the processing technology have the advantages that the annular conveying structure is utilized to enable the protective film to serve as a bearing film, the protective film is circularly conveyed for use, the use of backing materials during die cutting is saved, the production cost is reduced, in addition, the advance of the protective film is controlled through the color code sensor, the two materials are punched and pasted in the die, the processing procedure of products of the type of structure is saved, the continuous mass production process can be realized, the production efficiency of products is improved, and the consistency of the product quality is guaranteed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a cross walk material cross cutting machine which characterized in that: including base, stamping die, first feed mechanism and second feed mechanism install the both sides at the base, first feed mechanism and second feed mechanism walk the material direction mutually perpendicular crisscross, stamping die installs on the base, first feed mechanism includes first driving roller subassembly and second driving roller subassembly, first driving roller subassembly and second driving roller subassembly are installed respectively in stamping die's left and right sides, second feed mechanism includes third driving roller subassembly, conveying roller and a plurality of tensioning roller, the front side at the base is installed to third driving roller subassembly and at stamping die's front side, the conveying roller is installed in stamping die's rear side correspondingly, a plurality of tensioning roller are installed in the below of base, third driving roller subassembly, conveying roller and tensioning roller form an annular circulation conveying structure.
2. The cross feed die cutting machine as claimed in claim 1, wherein: the stamping die comprises an upper die and a lower die, wherein the upper die is located right above the lower die, the lower die is fixed on a base, a die cutting tool is installed on the lower side of the upper die, a color code sensor is installed on the front side of the lower die, the color code sensor is fixedly connected with the base through a locating support, and the color code sensor is arranged on the rear side of the third driving roller assembly and above the third driving roller assembly.
3. A cross feed die cutter as claimed in claim 2, wherein: the first driving roller assembly and the second driving roller assembly have the same structure, the first driving roller assembly comprises a first upper pressing roller and a first lower pressing roller, the first upper pressing roller is right above the first lower pressing roller, the second driving roller assembly comprises a second upper pressing roller and a second lower pressing roller, and the second upper pressing roller is right above the second lower pressing roller; the third driving roller assembly comprises a third upper pressing roller and a third lower pressing roller, and the third upper pressing roller is right above the third lower pressing roller.
4. A cross feed die cutter as claimed in claim 3, wherein: the tensioning rollers are two, namely a first tensioning roller and a second tensioning roller, the first tensioning roller and the second tensioning roller are arranged on the front side and the rear side of the base, the first tensioning roller is arranged below the conveying roller, and the second tensioning roller is arranged below the third driving roller assembly.
5. A process for manufacturing a cross feed die cutter according to any one of claims 1-3, wherein: the method comprises the following processing steps:
the method comprises the steps that S1, a first material belt, a protective film and a second material belt are prepared, the first material belt is conveyed to the direction of a stamping die through a first feeding mechanism, the protective film passes through a space between a third upper pressing roller and a third lower pressing roller and then is wound to a conveying roller, the protective film passes through a first tensioning roller and a second tensioning roller and returns to the third upper pressing roller and the third lower pressing roller from the conveying roller to form a recycled substrate, the protective film is arranged below the first material belt, the adhesive surface of the protective film faces upwards, the second material belt passes through the space between the third upper pressing roller and the third lower pressing roller from above the third upper pressing roller and then passes to the front side of a third driving roller assembly, the second material belt is in contact pressing with the protective film, and the second material belt comprises a bottom film and a precut semi-finished product;
s2, transferring the semi-finished product on the protective film through pressing of a second material belt and a third driving roller assembly;
step S3, conveying the protective film stuck with the semi-finished product in the step II into a stamping die, enabling the first material belt to be above the protective film, enabling the upper die to move downwards, and carrying out die cutting through combination with the lower die, wherein the die cutting is carried out to form a first material belt and the semi-finished product which are completely penetrated, the protective film is not penetrated, and the obtained finished product is adhered to the protective film;
and S4, continuously conveying the punched finished product along with the feeding of the protective film to take the product out.
6. The process of the cross feed die cutting machine as claimed in claim 5, wherein: the protective film is a PET film, the thickness of the protective film is 0.1-0.2mm, and the bonding strength of the protective film is 1-40g/in.
7. The process of the cross feed die cutting machine as claimed in claim 6, wherein: the height between the first material belt and the protective film is 5-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310325185.2A CN116277298A (en) | 2023-03-30 | 2023-03-30 | Cross feeding die-cutting machine and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310325185.2A CN116277298A (en) | 2023-03-30 | 2023-03-30 | Cross feeding die-cutting machine and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116277298A true CN116277298A (en) | 2023-06-23 |
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ID=86822255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310325185.2A Pending CN116277298A (en) | 2023-03-30 | 2023-03-30 | Cross feeding die-cutting machine and processing technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN116277298A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117601192A (en) * | 2023-09-27 | 2024-02-27 | 东莞市日盛绝缘制品有限公司 | Die cutting method for environment-friendly auxiliary material-saving multi-layer laminating product |
-
2023
- 2023-03-30 CN CN202310325185.2A patent/CN116277298A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117601192A (en) * | 2023-09-27 | 2024-02-27 | 东莞市日盛绝缘制品有限公司 | Die cutting method for environment-friendly auxiliary material-saving multi-layer laminating product |
| CN117601192B (en) * | 2023-09-27 | 2024-05-28 | 东莞市日盛绝缘制品有限公司 | Die cutting method for environment-friendly auxiliary material-saving multi-layer laminating product |
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Country or region after: China Address after: 523000, No. 218-2 Dalang Shuixin Road, Dalang Town, Dongguan City, Guangdong Province Applicant after: Dongguan Liuchun Intelligent Technology Co.,Ltd. Address before: No. 62, Fumin South Road, Dalang Town, Dongguan, Guangdong 523000 Applicant before: Dongguan Liuchun Intelligent Technology Co.,Ltd. Country or region before: China |