CN211541461U - Circular knife die cutting production line - Google Patents
Circular knife die cutting production line Download PDFInfo
- Publication number
- CN211541461U CN211541461U CN202020107310.4U CN202020107310U CN211541461U CN 211541461 U CN211541461 U CN 211541461U CN 202020107310 U CN202020107310 U CN 202020107310U CN 211541461 U CN211541461 U CN 211541461U
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- Prior art keywords
- roller
- film
- circular knife
- die cutting
- frame
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- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 81
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- 239000002699 waste material Substances 0.000 claims abstract description 54
- 238000003825 pressing Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000010096 film blowing Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 abstract description 33
- 229920000742 Cotton Polymers 0.000 abstract description 6
- 239000012790 adhesive layer Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 239000012528 membrane Substances 0.000 description 17
- 238000007664 blowing Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000007774 anilox coating Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 208000004350 Strabismus Diseases 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a circular knife die cutting production line, which comprises a base material film discharging roller, a first film pressing mechanism, a first die cutting mechanism, a second film pressing mechanism, a third film pressing mechanism, a second die cutting mechanism and a fourth film pressing mechanism in sequence according to the production flow; the substrate film discharging roller is sleeved with a substrate film, the substrate film comprises a substrate layer, a release layer and an adhesive layer, and the adhesive layer is positioned between the substrate layer and the release layer; first press mold mechanism second press mold mechanism third press mold mechanism and fourth press mold mechanism all include compression roller and lower compression roller. The utility model discloses a foam is cotton with product compress tightly the back cutting again, guarantees the roughness of cutting plane, does benefit to and observes whether skew in twice cross cutting position, guarantees the cross cutting precision, and whole production process can arrange the waste material automatically, and degree of automation is high.
Description
Technical Field
The utility model belongs to the technical field of the cross cutting, especially, relate to a circular knife cross cutting production line.
Background
The die cutting machine is applied to die cutting and forming of various materials such as non-setting adhesive materials, protective films, electronic shielding materials, PVC (polyvinyl chloride), films, mylar paper, copper-aluminum foils, double faced adhesive tapes, foam cotton and the like and LCD (liquid crystal display) reflectors, diffusion sheets, buffer sheets, brightness enhancement films, silica gel tapes and the like in the photoelectric industry, and is widely applied to the manufacturing industries such as electronics, IT (information technology), automobiles and the like. The die-cutting machine comprises a flat die-cutting machine and a circular knife die-cutting machine.
Many products are not simple a single rectangle or circular, all are anomalous shape, for example, there are several round holes on the double faced adhesive tape product a bit, the effect of these several round holes is the location, make things convenient for artifical laminating equipment, guarantee the position of double faced adhesive tape laminating, the cross cutting in-process can produce a large amount of wastes material, need use the waste material in the special equipment absorption product, this can lead to the improvement of cross cutting material cost, and circular knife film cutting machine needs a plurality of circular knife to carry out many times cutting usually, but because factors such as cutting in-process membrane position change, machine vibrations or roller speed change lead to the glued membrane position to change, if can not discover in time that the cutting position squints, then cause a large amount of defective products easily, bring the loss for the enterprise.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a circular knife cross cutting production line, through the bubble cotton with the product compress tightly the back cutting again, guarantee the roughness of cutting plane, do benefit to and observe whether skew in twice cross cutting position, guarantee the cross cutting precision, the waste material can be arranged automatically to whole production process, degree of automation is high.
In order to solve the technical problem, the utility model discloses a technical scheme be: a circular knife die cutting production line comprises a base material film discharging roller, a first film pressing mechanism, a first die cutting mechanism, a second film pressing mechanism, a third film pressing mechanism, a second die cutting mechanism and a fourth film pressing mechanism in sequence according to a production flow;
the substrate film discharging roller is sleeved with a substrate film, the substrate film comprises a substrate layer, a release layer and an adhesive layer, and the adhesive layer is positioned between the substrate layer and the release layer;
the first film pressing mechanism, the second film pressing mechanism, the third film pressing mechanism and the fourth film pressing mechanism comprise upper pressing rollers and lower pressing rollers;
the first die cutting mechanism comprises a first circular knife and a first steel roller, the first circular knife is positioned above the first steel roller, the peripheral surface of the first circular knife is provided with a plurality of rows of circular blades and a plurality of positioning columns, the circular blades are arranged along the circumferential direction of the first circular knife, the distance between every two adjacent rows of circular blades is 17-18mm, each row of circular blades consists of a plurality of closed cutting edges, and the width of each cutting edge is 0.8-1.2 mm;
the second die cutting mechanism comprises a second circular knife and a second steel roller, the second circular knife is positioned above the second steel roller, the peripheral surface of the second circular knife is provided with a closed frame blade, and the frame blade is provided with an inwards-concave mark opening;
the top of first press mold mechanism is equipped with frame waste disposal roller, frame waste disposal roller is used for rolling the frame from the glue film of type layer and frame, the below of first die cutting mechanism is equipped with the round hole waste disposal mechanism who gets rid of the downthehole waste material of circle, the top of second press mold mechanism is equipped with the inside casing waste disposal mechanism from the type layer of rolling inside casing, second press mold mechanism with be equipped with down protection film blowing roller and last protection film blowing roller between the third press mold mechanism.
Further say, the mechanism that gives up is arranged to round hole includes reticulation membrane blowing roller and reticulation membrane receipts material roller, reticulation membrane blowing roller cover has the reticulation membrane, the reticulation membrane passes first press mold mechanism and first die cutting mechanism receive the material roller with the reticulation membrane and be connected.
Furthermore, the release layer of the outer frame and the adhesive tape of the outer frame are connected with the waste discharge roller of the outer frame.
Further say, inside casing waste discharge mechanism includes inside casing waste discharge blowing roller and inside casing waste discharge receiving roller, inside casing waste discharge blowing roller cover has the waste discharge sticky tape, the waste discharge sticky tape pass second press mold mechanism with inside casing waste discharge receiving roller is connected.
Further, lower protection film blowing roller cover has lower protection film, lower protection film pastes in the lower surface from the type layer through third press mold mechanism.
Further, go up protection film blowing roller cover and have last protection film, second die cutting mechanism with be equipped with the first frame material roller of receiving of last protection film that is used for the rolling frame between the fourth press mold mechanism, the low reaches of fourth press mold mechanism are equipped with the second frame material roller of receiving of the substrate layer that is used for the rolling frame.
Further, a product receiving roller is arranged at the downstream of the second frame receiving roller.
Further, the length of the border blade is 289 and 291mm, and the width of the border blade is 119 and 121 mm.
Furthermore, the peripheral surfaces of the first circular knife and the second circular knife are covered with a layer of foam.
Furthermore, the outer peripheral surface of the first circular knife is provided with an L-shaped first marking blade, the outer peripheral surface of the second circular knife is provided with an L-shaped second marking blade, and the first marking blade and the second marking blade form a crossed notch on a product.
The beneficial effects of the utility model are that following several points have at least:
the utility model discloses a top of first press mold mechanism is equipped with the frame of the release layer of rolling frame and the glue film of frame and arranges useless roller, cuts the back through the cutting edge of first circular knife, gets rid of the release layer and the glue film of cutting edge periphery through frame row useless roller, and degree of automation is high;
the utility model discloses a plurality of reference columns are equipped with to the outer peripheral face of first circular knife to form the round hole at the product, do benefit to follow-up artifical laminating equipment location, it is worth mentioning that, the below of first die cutting mechanism is equipped with round hole waste discharge mechanism, thereby gets rid of the waste material in the round hole;
the utility model discloses a first circular knife's outer peripheral face is equipped with the first mark blade of "L" type, and the outer peripheral face of second circular knife is equipped with the second mark blade of "L" type, and first mark blade and mark blade form the breach of "ten" style of calligraphy on the product, do benefit to and observe twice cross cutting position and whether squint, guarantee the cross cutting precision, prevent that a large amount of defective products from producing, avoid causing the loss for the enterprise;
the outer peripheral surfaces of the first circular knife and the second circular knife of the utility model are covered with a layer of foam cotton, and because the foam cotton has elasticity, when the substrate film is cut, the substrate film is pressed tightly by the foam cotton and then cut, thereby ensuring the flatness of the cut surface;
the utility model discloses a frame blade is equipped with inside sunken mark mouth, and the mark mouth does benefit to the model specification of distinguishing the product including model mark mouth and material number mark mouth.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an expanded view of a first circular knife of the present invention;
fig. 3 is an enlarged view of fig. 2 a of the present invention;
fig. 4 is an expanded view of a second circular knife of the present invention;
FIG. 5 is a schematic structural view of the product after passing through the second die-cutting mechanism according to the present invention;
FIG. 6 is a cross-sectional view of a product of the invention;
the parts in the drawings are marked as follows:
a base material film discharging roller 1, a base material film 11, a base material layer 111, a glue layer 112, a first film pressing mechanism 2, an upper pressing roller 21, a lower pressing roller 22, a first die cutting mechanism 3, a first circular knife 31, a positioning column 311, a knife edge 312, a first marking blade 313, a first steel roller 32, a second film pressing mechanism 4, a third film pressing mechanism 5, a second die cutting mechanism 6, a second circular knife 61, a frame blade 611, a model marking port 6111, a material number marking port 6112, a second marking blade 612, a second steel roller 62, a fourth film pressing mechanism 7, an outer frame waste discharging roller 8, a circular hole waste discharging mechanism 9, an anilox film discharging roller 91, an anilox film 911, an anilox film receiving roller 92, an inner frame waste discharging mechanism 10, a lower protective film discharging roller 100, an inner frame waste discharging roller 101, a lower protective film, a waste discharging tape 1011, an inner frame waste discharging roller 102, an upper protective film discharging roller 200, an upper protective film receiving roller 2001, a first edge frame discharging roller 2002, an inner frame waste discharging roller 2001, an inner frame discharging roller 102, an upper protective film, The second frame material receiving roller 2003, the product material receiving roller 300, the outer frame 400, the circular holes 500, the inner frame 600, the frame 700, the crossed notch 800, the length L1 of the frame blades, the width W1 of the frame blades, the distance L2 between two adjacent rows of circular blades and the width W2 of the cutting edges.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b): a circular knife die cutting production line is shown in figures 1-6 and sequentially comprises a base material film discharging roller 1, a first film pressing mechanism 2, a first die cutting mechanism 3, a second film pressing mechanism 4, a third film pressing mechanism 5, a second die cutting mechanism 6 and a fourth film pressing mechanism 7 according to the production flow;
the substrate film discharging roller 1 is sleeved with a substrate film 11, the substrate film 11 comprises a substrate layer 111, a release layer and an adhesive layer 112, and the adhesive layer 112 is positioned between the substrate layer 111 and the release layer;
the first film pressing mechanism 2, the second film pressing mechanism 4, the third film pressing mechanism 5 and the fourth film pressing mechanism 7 all comprise an upper pressing roller 21 and a lower pressing roller 22;
the first die cutting mechanism 3 comprises a first circular knife 31 and a first steel roller 32, the first circular knife 31 is located above the first steel roller 32, the peripheral surface of the first circular knife 31 is provided with a plurality of rows of circular blades and a plurality of positioning columns 311, the circular blades are arranged along the circumferential direction of the first circular knife 31, the distance L2 between two adjacent rows of circular blades is 17-18mm, each row of circular blades consists of a plurality of closed cutting edges 312, and the width W2 of each cutting edge 312 is 0.8-1.2 mm;
the second die cutting mechanism 6 comprises a second circular knife 61 and a second steel roller 62, the second circular knife 61 is positioned above the second steel roller 62, a closed frame blade 611 is arranged on the outer peripheral surface of the second circular knife 61, and the frame blade 611 is provided with an inwards concave mark opening;
in specific implementation, the marking ports include a model marking port 6111 and a material number marking port 6112.
First press mold machine structure 2's top is equipped with frame and arranges useless roller 8, frame row useless roller 8 is used for rolling frame 400 from the glue film of type layer and frame 400, the below of first die cutting mechanism 3 is equipped with the round hole of getting rid of waste material in the round hole 500 and arranges useless mechanism 9, the top of second press mold machine structure 4 is equipped with rolling inside casing 600 from the inside casing of type layer and arranges useless mechanism 10, second press mold machine structure 4 with be equipped with down protection film blowing roller 100 and last protection film blowing roller 200 between the third press mold machine structure 5.
The release layer of the outer frame 400 and the adhesive tape of the outer frame 400 are connected with the waste discharge roller 8 of the outer frame.
The inner frame waste discharge mechanism 10 comprises an inner frame waste discharge discharging roller 101 and an inner frame waste discharge receiving roller 102, the inner frame waste discharge discharging roller 101 is sleeved with a waste discharge adhesive tape 1011, and the waste discharge adhesive tape 1011 passes through the second film pressing mechanism 4 and is connected with the inner frame waste discharge receiving roller 102.
Lower protection film blowing roller 100 cover has lower protection film 1001, lower protection film 1001 pastes in the lower surface from the type layer through third press mold mechanism 5.
Go up protection film blowing roller cover and have last protection film 2001, second die cutting mechanism 6 with be equipped with the first frame material roller 2002 that receives that is used for rolling the last protection film of frame 700 between the fourth press mold mechanism 7, the low reaches of fourth press mold mechanism 7 are equipped with the second frame material roller 2003 that is used for rolling the substrate layer of frame 700.
A product receiving roller 300 is arranged at the downstream of the second frame receiving roller 2003.
The length L1 of the border blade is 289-291mm, and the width W1 of the border blade is 119-121 mm.
The outer peripheral surfaces of the first circular knife 31 and the second circular knife 61 are covered with a layer of foam.
The outer peripheral surface of the first circular knife 31 is provided with an L-shaped first marking blade 313, the outer peripheral surface of the second circular knife 61 is provided with an L-shaped second marking blade 612, and the first marking blade 313 and the second marking blade 612 form a cross-shaped notch 800 on a product.
In specific implementation, the cutting edge 312, the positioning column 311, the frame blade 611, the first marking blade 313 and the second marking blade 612 cut the substrate film 11 through the foam.
The working principle of the utility model is as follows: cover a layer of net grain membrane at the lower surface of substrate membrane through first press mold mechanism, after cutting through first circular knife, the cutting edge outlying is got rid of through frame row waste roller from type layer and glue film, the waste material in the round hole is got rid of through the reticulation membrane, then get rid of the type layer of the inside casing that the cutting edge formed through the waste discharge sticky tape of inside casing row waste mechanism, reuse upper protection film unwinding roller and lower protection film blowing roller cover protection film and lower protection film respectively on the upper and lower surface of product, utilize first frame receipts material roller and second frame to receive the material roller and detach the upper protection film of frame and the substrate layer of frame through second die cutting mechanism after cutting.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (10)
1. The utility model provides a circular knife cross cutting production line which characterized in that: the production process sequentially comprises a base material film discharging roller (1), a first film pressing mechanism (2), a first die cutting mechanism (3), a second film pressing mechanism (4), a third film pressing mechanism (5), a second die cutting mechanism (6) and a fourth film pressing mechanism (7);
the base material film discharging roller is sleeved with a base material film (11), the base material film comprises a base material layer (111), a release layer and a glue layer (112), and the glue layer is positioned between the base material layer and the release layer;
the first film pressing mechanism, the second film pressing mechanism, the third film pressing mechanism and the fourth film pressing mechanism all comprise an upper pressing roller (21) and a lower pressing roller (22);
the first die cutting mechanism comprises a first circular knife (31) and a first steel roller (32), the first circular knife is located above the first steel roller, a plurality of rows of circular blades and a plurality of positioning columns (311) are arranged on the peripheral surface of the first circular knife, the circular blades are arranged along the circumferential direction of the first circular knife, the distance (L2) between every two adjacent rows of circular blades is 17-18mm, each row of circular blades is composed of a plurality of closed cutting edges (312), and the width (W2) of each cutting edge is 0.8-1.2 mm;
the second die cutting mechanism comprises a second circular knife (61) and a second steel roller (62), the second circular knife is positioned above the second steel roller, a closed frame blade (611) is arranged on the outer peripheral surface of the second circular knife, and the frame blade is provided with an inwards-concave mark opening;
the top of first press mold mechanism is equipped with frame waste disposal roller (8), the frame waste disposal roller is used for rolling frame (400) from the glue film of type layer and frame, the below of first die cutting mechanism is equipped with round hole waste disposal mechanism (9) of getting rid of waste material in round hole (500), the top of second press mold mechanism is equipped with the inside casing waste disposal mechanism (10) from the type layer of rolling inside casing (600), second press mold mechanism with be equipped with down protection film blowing roller (100) and last protection film blowing roller (200) between the third press mold mechanism.
2. The circular knife die cutting production line according to claim 1, characterized in that: the round hole waste discharge mechanism comprises a net grain film discharging roller (91) and a net grain film collecting roller (92), the net grain film discharging roller is sleeved with a net grain film (911), and the net grain film penetrates through the first film pressing mechanism and the first die cutting mechanism to be connected with the net grain film collecting roller.
3. The circular knife die cutting production line according to claim 1, characterized in that: the release layer of the outer frame and the adhesive tape of the outer frame are connected with the waste discharge roller of the outer frame.
4. The circular knife die cutting production line according to claim 1, characterized in that: the inner frame waste discharge mechanism comprises an inner frame waste discharge discharging roller (101) and an inner frame waste discharge receiving roller (102), the inner frame waste discharge discharging roller is sleeved with a waste discharge adhesive tape (1011), and the waste discharge adhesive tape passes through the second film pressing mechanism and is connected with the inner frame waste discharge receiving roller.
5. The circular knife die cutting production line according to claim 1, characterized in that: lower protection film blowing roller cover has lower protection film (1001), lower protection film pastes in the lower surface from the type layer through third press mold mechanism.
6. The circular knife die cutting production line according to claim 1, characterized in that: go up protection film blowing roller cover and have protection film (2001), second die cutting mechanism with be equipped with between the fourth press mold mechanism and be used for rolling frame (700) last protection film first frame receipts material roller (2002), the low reaches of fourth press mold mechanism is equipped with second frame receipts material roller (2003) that are used for the substrate layer of rolling frame.
7. The circular knife die cutting production line according to claim 6, characterized in that: and a product receiving roller (300) is arranged at the downstream of the second frame receiving roller.
8. The circular knife die cutting production line according to claim 1, characterized in that: the length (L1) of the border blade is 289-291mm, and the width (W1) of the border blade is 119-121 mm.
9. The circular knife die cutting production line according to claim 1, characterized in that: the outer peripheral surfaces of the first circular knife and the second circular knife are covered with a layer of foam.
10. The circular knife die cutting production line according to claim 1, characterized in that: the outer peripheral surface of the first circular knife is provided with an L-shaped first marking blade (313), the outer peripheral surface of the second circular knife is provided with an L-shaped second marking blade (612), and the first marking blade and the second marking blade form a crossed notch (800) on a product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107310.4U CN211541461U (en) | 2020-01-17 | 2020-01-17 | Circular knife die cutting production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107310.4U CN211541461U (en) | 2020-01-17 | 2020-01-17 | Circular knife die cutting production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211541461U true CN211541461U (en) | 2020-09-22 |
Family
ID=72492663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020107310.4U Expired - Fee Related CN211541461U (en) | 2020-01-17 | 2020-01-17 | Circular knife die cutting production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211541461U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389066A (en) * | 2021-01-21 | 2021-02-23 | 太仓展新胶粘材料股份有限公司 | Supporting film circular knife die cutting process for OLED and supporting film for OLED |
| CN114030927A (en) * | 2021-10-28 | 2022-02-11 | 江苏南锦电子材料有限公司 | Automatic hole waste discharging and cleaning production equipment and method for Mini LED reflector plate |
| CN114701012A (en) * | 2022-05-10 | 2022-07-05 | 东莞六淳智能科技股份有限公司 | Asynchronous processing technology of graphene sponge |
-
2020
- 2020-01-17 CN CN202020107310.4U patent/CN211541461U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389066A (en) * | 2021-01-21 | 2021-02-23 | 太仓展新胶粘材料股份有限公司 | Supporting film circular knife die cutting process for OLED and supporting film for OLED |
| CN114030927A (en) * | 2021-10-28 | 2022-02-11 | 江苏南锦电子材料有限公司 | Automatic hole waste discharging and cleaning production equipment and method for Mini LED reflector plate |
| CN114701012A (en) * | 2022-05-10 | 2022-07-05 | 东莞六淳智能科技股份有限公司 | Asynchronous processing technology of graphene sponge |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |