CN113911794B - Impregnated paper conveying equipment - Google Patents
Impregnated paper conveying equipment Download PDFInfo
- Publication number
- CN113911794B CN113911794B CN202111518759.5A CN202111518759A CN113911794B CN 113911794 B CN113911794 B CN 113911794B CN 202111518759 A CN202111518759 A CN 202111518759A CN 113911794 B CN113911794 B CN 113911794B
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- Prior art keywords
- impregnated paper
- sliding plate
- conveying
- plate
- sliding
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Classifications
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- 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
-
- 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
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
- B65H37/02—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for applying adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Abstract
The invention relates to the technical field of machinery, in particular to impregnated paper conveying equipment, which comprises an embossing part, a conveying part and a conveying part, wherein the embossing part is suitable for embossing impregnated paper; the conveying part is suitable for receiving the impregnated paper of the embossing part and conveying the impregnated paper, and comprises a plurality of conveying rollers suitable for conveying the impregnated paper; the cutting part comprises a first sliding plate, a second sliding plate, two first pressing plates and a cutting knife, wherein the first sliding plate is arranged on the conveying roller in a sliding mode, the second sliding plate is arranged on the conveying roller in a sliding mode, the first pressing plates are arranged on the first sliding plate, and the cutting knife is arranged on the second sliding plate. The impregnated paper is pressed on the conveying roller by the pressing plate, and cut by the cutting knife until the impregnated paper is cut off.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to impregnated paper conveying equipment.
Background
The impregnated paper needs to be embossed, then needs to be cut into a plurality of sections to the impregnated paper after the embossing is finished, then is bonded with other objects, is cut by adopting a manual processing mode at present, and then is glued to the cut impregnated paper, which is troublesome and laborious.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome one of the technical problems in the above-mentioned art, the present invention provides an impregnated-paper conveying apparatus, comprising,
an embossing section adapted to emboss the impregnated paper;
the conveying part is suitable for receiving the impregnated paper of the embossing part and conveying the impregnated paper, and comprises a plurality of conveying rollers suitable for conveying the impregnated paper;
the cutting part comprises a first sliding plate arranged on the conveying roller in a sliding manner, a second sliding plate arranged on the conveying roller in a sliding manner, a first pressing plate arranged on the first sliding plate, a cutting knife arranged on the second sliding plate, and a second pressing plate respectively arranged on two sides of the cutting knife, wherein a polishing hole corresponding to the position of the cutting knife is formed in the first sliding plate, a polishing block is hinged in the polishing hole, an air bag suitable for storing glue is further arranged on the first sliding plate, a plurality of glue applying holes communicated with the air bag are further formed in the first pressing plate, the position of the air bag corresponds to the position of the polishing block, and the first pressing plate and the second pressing plate are connected through the air bag,
when the conveying part will after the knurling part knurling is accomplished impregnated paper is carried to the portion of tailorring, slide one with two relative movement of slide, so that clamp plate one and the cooperation of clamp plate two will impregnated paper pressure is at adjacent two on the conveying roller, it is right to cut out the sword impregnated paper, it is right to cut out the sword under slide two's drive, continue to polish the hole and remove, it is right to polish the piece to cut out the sword, just it extrudees to cut out the sword the piece of polishing, so that the piece of polishing extrudees the gasbag, the gasbag is followed glue is spout in the glue smearing hole to cutting out on the impregnated paper.
Furthermore, the end face of the cutting knife is an inclined plane, and the grinding face of the grinding block is matched with the inclined plane so as to grind the cutting knife.
Furthermore, the first sliding plate and the second sliding plate are provided with sliding grooves, wherein,
the size of the sliding groove is matched with the size of the conveying roller.
Furthermore, one end of the sliding chute, which is close to the first pressing plate or the second pressing plate, is provided with a cutting edge.
Furthermore, one end of the first pressure plate, which is far away from the first sliding plate, is provided with a guide round angle;
and one end of the second pressing plate, which is far away from the second sliding plate, is provided with a guide fillet.
Furthermore, one surfaces of the first sliding plate and the second sliding plate, which are close to the embossing part, are provided with cutting edges.
Further, the glue smearing hole is communicated with the air bag through an air pipe.
Furthermore, a plurality of the glue smearing holes are arranged on the side wall of the first pressing plate far away from the embossing part, wherein,
and a plurality of the glue applying holes are uniformly distributed.
Furthermore, the first sliding plate is provided with a mounting hole suitable for inserting the second pressing plate;
the second sliding plate is also provided with the mounting hole suitable for the first pressing plate to be inserted into.
Further, the length of the cutting knife is smaller than that of the first pressing plate or the second pressing plate.
Has the advantages that: the invention relates to impregnated paper conveying equipment, which is characterized in that a first sliding plate and a second sliding plate are driven to move relatively by arranging a pressing plate and a cutting knife, the impregnated paper is pressed on a conveying roller by the pressing plate, and the impregnated paper is cut by the cutting knife until the impregnated paper is cut off; the cutting knife continues to move towards the polishing hole, a polishing block in the polishing hole can polish the cutting knife, the cutting knife extrudes the polishing block while polishing, and the polishing block extrudes the air bag, so that glue is coated on the cut impregnated paper; when the first sliding plate and the second sliding plate slide on the conveying rollers, impurities such as residual glue on the conveying rollers can be scraped, and the cleanness of the conveying rollers is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a first schematic view of a cutting portion structure according to the present invention;
FIG. 3 is a second schematic view of a cutting portion structure according to the present invention;
FIG. 4 is a schematic view of the bladder and sanding block of the present invention in combination;
in the figure:
100. an embossing part;
200. a conveying unit 210, a conveying roller;
300. the cutting part comprises a cutting part 310, a first sliding plate 311, a first pressing plate 312, a grinding hole 313, a grinding block 314, a glue smearing hole 315, a grinding surface 316, a sliding groove 317, a cutting edge 318, a guide fillet 319, a cutting edge 320, a second sliding plate 321, a second pressing plate 322, a cutting knife 323, an inclined plane 324, an air pipe 325, a mounting hole 330, an air cylinder 340 and an air bag.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
Example one
The invention provides impregnated paper conveying equipment, which comprises,
an embossing part 100, the embossing part 100 being adapted to emboss the impregnated paper 400;
a conveying part 200, wherein the conveying part 200 is suitable for receiving the impregnated paper 400 of the embossing part 100 and conveying the impregnated paper 400, and the conveying part 200 comprises a plurality of conveying rollers 210 suitable for conveying the impregnated paper 400;
the cutting part 300 comprises a first sliding plate 310 arranged on the conveying roller 210 in a sliding manner, a second sliding plate 320 arranged on the conveying roller 210 in a sliding manner, two first pressing plates 311 arranged on the first sliding plate 310, a cutting knife 322 arranged on the second sliding plate 320, two pressing plates 321 respectively arranged on two sides of the cutting knife 322 and arranged on the second sliding plate 320, a polishing hole 312 corresponding to the position of the cutting knife 322 is formed in the first sliding plate 310, a polishing block 313 is hinged in the polishing hole 312, an air bag 340 suitable for storing glue is further arranged on the first sliding plate 310, a plurality of glue applying holes 314 communicated with the air bag 340 are further arranged on the first pressing plate 311, the position of the air bag 340 corresponds to the position of the polishing block 313, wherein,
when the conveying part 200 conveys the impregnated paper 400 after the embossing part 100 is embossed to the cutting part 300, the first sliding plate 310 and the second sliding plate 320 move relatively to make the first pressing plate 311 and the second pressing plate 321 cooperate to press the impregnated paper 400 on two adjacent conveying rollers 210, the cutting knife 322 cuts the impregnated paper 400, the cutting knife 322 is driven by the second sliding plate 320 to move continuously towards the grinding hole 312, the grinding block 313 grinds the cutting knife 322, the cutting knife 322 extrudes the grinding block 313 to make the grinding block 313 extrude the air bag 340, and the air bag 340 ejects glue from the glue coating hole 314 to the cut impregnated paper 400.
Embossing part 100
The embossing part 100 may emboss the impregnated paper 400.
Conveying part 200
The conveying unit 200 is adapted to take in the impregnated paper 400 of the embossing unit 100 and convey the impregnated paper 400.
The conveying part 200 includes a plurality of conveying rollers 210 adapted to convey the impregnated paper 400. The conveying roller 210 is driven by a motor, and the motor drives the conveying roller 210 to rotate, so that the impregnated paper 400 is taken from the embossing part 100 and then conveyed to the cutting part 300.
Cutting part 300
The cutting part 300 comprises a first sliding plate 310 arranged on the conveying roller 210, a second sliding plate 320 arranged on the conveying roller 210, two pressing plates 311 arranged on the first sliding plate 310, a cutting knife 322 arranged on the second sliding plate 320, and two pressing plates 321 arranged on two sides of the cutting knife 322 respectively and arranged on the second sliding plate 320, a polishing hole 312 corresponding to the position of the cutting knife 322 is formed in the first sliding plate 310, a polishing block 313 is hinged in the polishing hole 312, an air bag 340 suitable for storing glue is further arranged on the first sliding plate 310, a plurality of glue applying holes 314 communicated with the air bag 340 are further formed in the first pressing plate 311, and the position of the air bag 340 corresponds to the position of the polishing block 313. The two pressing plates one 311 are positioned between the two pressing plates two 321, and the two pressing plates one 311 and two pressing plates 321 press the impregnated paper 400 onto the two adjacent conveying rollers 210, that is, one of the pressing plates one 311 and two pressing plates 321 presses the impregnated paper 400 onto one conveying roller 210, and the other of the pressing plates one 311 and two pressing plates 321 presses the impregnated paper 400 onto one adjacent conveying roller 210, so that the impregnated paper 400 is pressed onto the conveying roller 210. In order to realize the relative movement of the first sliding plate 310 and the second sliding plate 320, the first sliding plate 310 and the second sliding plate 320 are respectively connected with an air cylinder 330 in a transmission way.
The end surface of the cutting knife 322 is an inclined surface 323, and the grinding surface 315 of the grinding block 313 is matched with the inclined surface 323 to grind the cutting knife 322. The cutting blade 322 moves toward the grinding hole 312, and the grinding surface 315 contacts with the inclined surface 323 of the cutting blade 322, thereby realizing the grinding operation of the cutting blade 322.
The first sliding plate 310 and the second sliding plate 320 are provided with sliding grooves 316, wherein the size of the sliding grooves 316 is matched with the size of the conveying rollers 210. One end of the sliding groove 316 close to the first pressing plate 311 or the second pressing plate 321 is provided with a cutting edge 317. When the first sliding plate 310 and the second sliding plate 320 slide on the conveying roller 210, the cutting edge 317 can scrape off the residual glue on the conveying roller 210, and the cleanness of the conveying roller 210 is ensured.
One end of the first pressing plate 311, which is far away from the first sliding plate 310, is provided with a guide round corner 318; and one end of the second pressure plate 321, which is far away from the second sliding plate 320, is provided with a guide round corner 318. In order to enable the first pressing plate 311 and the second pressing plate 321 to be pressed on the impregnated paper 400 conveniently and prevent the impregnated paper 400 from being pressed and tilted, a guide round corner 318 is arranged at one end of the first pressing plate 311 and one end of the second pressing plate 321 to play a role in guiding.
The first and second sliding plates 310 and 320 have cutting edges 319 on their surfaces adjacent to the embossed portion 100. The cutting edges 319 of the first and second sliding plates 310 and 320 may cut the embossed impregnated paper 400 to a desired width, or may remove burrs at the edges of the impregnated paper 400.
The glue applying hole 314 is communicated with the air bag 340 through an air pipe 324. The plurality of glue applying holes 314 are formed in the side wall of the first pressing plate 311 far away from the embossing part 100, wherein the plurality of glue applying holes 314 are uniformly arranged. The air bag 340 is extruded by the polishing block 313, glue in the air bag 340 enters the glue smearing hole 314 from the air pipe 324 and is sprayed out of the glue smearing hole 314, and in order to achieve the uniformity of the glue smearing, the glue smearing holes 314 are uniformly formed in the side wall of the first pressing plate 311, so that the glue can be uniformly coated on the cut impregnated paper 400.
The first sliding plate 310 is provided with a mounting hole 325 suitable for inserting the second pressing plate 321; the second sliding plate 320 is also provided with the mounting hole 325 suitable for the first pressing plate 311 to be inserted. The first pressure plate 311 can be inserted into the mounting hole 325 on the second sliding plate 320, and the second pressure plate 321 can also be inserted into the mounting hole 325 on the first sliding plate 310, thereby ensuring that the cutting is finished. When the cutting blade 322 enters the grinding hole 312 and is ground by the grinding block 313, the first sliding plate 310 and the second sliding plate 320 do not contact the impregnated paper 400, i.e. the width of the impregnated paper 400 is smaller than the distance between the first sliding plate 310 and the second sliding plate 320.
In order to enable the first pressing plate 311 and the second pressing plate 321 to compress the impregnated paper 400, and then cut the impregnated paper 400, the length of the cutting knife 322 is smaller than that of the first pressing plate 311 or the second pressing plate 321.
The working principle is as follows: when the conveying part 200 conveys the impregnated paper 400 after the embossing of the embossing part 100 to the cutting part 300, the first sliding plate 310 and the second sliding plate 320 move relatively, so that the first pressing plate 311 and the second pressing plate 321 cooperate to press the impregnated paper 400 on two adjacent conveying rollers 210, the first sliding plate 310 and the second sliding plate 320 slide on the conveying rollers 210, the cutting edge 317 cleans the conveying rollers 210 to ensure the cleanness of the conveying rollers 210, the cutting knife 322 cuts the impregnated paper 400, the cutting knife 322 is driven by the second sliding plate 320 to move continuously towards the grinding hole 312, the cutting blade 322 is ground by the grinding block, and the cutting blade 322 presses the grinding block 313, so that the sanding block 313 presses the air bag 340, and the air bag 340 sprays glue from the glue smearing hole 314 to the cut impregnated paper 400.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An impregnated paper conveying apparatus, comprising,
an embossing section adapted to emboss the impregnated paper;
the conveying part is suitable for receiving the impregnated paper of the embossing part and conveying the impregnated paper, and comprises a plurality of conveying rollers suitable for conveying the impregnated paper;
the cutting part comprises a first sliding plate arranged on the conveying roller in a sliding mode, a second sliding plate arranged on the conveying roller in a sliding mode, a first pressing plate arranged on the first sliding plate, a cutting knife arranged on the second sliding plate, and a second pressing plate arranged on the second sliding plate and positioned on two sides of the cutting knife respectively, wherein a polishing hole corresponding to the position of the cutting knife is formed in the first sliding plate, a polishing block is hinged in the polishing hole, an air bag suitable for storing glue is further arranged on the first sliding plate, a plurality of glue applying holes communicated with the air bag are further formed in the first pressing plate, the position of the air bag corresponds to the position of the polishing block, sliding grooves are formed in the first sliding plate and the second sliding plate, and the size of each sliding groove is matched with the size of the conveying roller; the first two pressing plates are positioned between the second two pressing plates, the first pressing plates and the second pressing plates press the impregnated paper onto two adjacent conveying rollers, wherein,
when the conveying part will after the knurling part knurling is accomplished impregnated paper is carried to the portion of tailorring, slide one with two relative movement of slide, so that clamp plate one and the cooperation of clamp plate two will impregnated paper pressure is at adjacent two on the conveying roller, it is right to cut out the sword impregnated paper, it is right to cut out the sword under slide two's drive, continue to polish the hole and remove, it is right to polish the piece to cut out the sword, just it extrudees to cut out the sword the piece of polishing, so that the piece of polishing extrudees the gasbag, the gasbag is followed glue is spout in the glue smearing hole to cutting out on the impregnated paper.
2. The impregnated paper conveying apparatus according to claim 1,
the end face of the cutting knife is an inclined plane, and the grinding face of the grinding block is matched with the inclined plane so as to grind the cutting knife.
3. The impregnated paper conveying apparatus according to claim 1,
and one end of the sliding chute, which is close to the first pressing plate or the second pressing plate, is provided with a cutting edge.
4. The impregnated paper conveying apparatus according to claim 1,
one end of the first pressing plate, which is far away from the first sliding plate, is provided with a guide fillet;
and one end of the second pressing plate, which is far away from the second sliding plate, is provided with a guide fillet.
5. The impregnated paper conveying apparatus according to claim 1,
and one surfaces of the first sliding plate and the second sliding plate, which are close to the embossing part, are provided with shearing edges.
6. The impregnated paper conveying apparatus according to claim 1,
the glue smearing hole is communicated with the air bag through an air pipe.
7. The impregnated paper conveying apparatus according to claim 1,
the plurality of glue smearing holes are arranged on the side wall of the first pressing plate far away from the embossing part,
wherein the content of the first and second substances,
and a plurality of the glue applying holes are uniformly distributed.
8. The impregnated paper conveying apparatus according to claim 1,
the first sliding plate is provided with a mounting hole suitable for inserting the second pressing plate;
the second sliding plate is also provided with the mounting hole suitable for the first pressing plate to be inserted into.
9. The impregnated paper conveying apparatus according to claim 1,
the length of the cutting knife is smaller than that of the first pressing plate or the second pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518759.5A CN113911794B (en) | 2021-12-14 | 2021-12-14 | Impregnated paper conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518759.5A CN113911794B (en) | 2021-12-14 | 2021-12-14 | Impregnated paper conveying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113911794A CN113911794A (en) | 2022-01-11 |
| CN113911794B true CN113911794B (en) | 2022-03-11 |
Family
ID=79249054
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111518759.5A Active CN113911794B (en) | 2021-12-14 | 2021-12-14 | Impregnated paper conveying equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN113911794B (en) |
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| CN104179313B (en) * | 2014-08-15 | 2016-06-22 | 王子路 | A kind of cutting paster production line manufactured for wall surface paster |
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| WO2019116579A1 (en) * | 2017-12-15 | 2019-06-20 | 三菱重工機械システム株式会社 | Cardboard box dividing device and cardboard box production device |
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| KR102016933B1 (en) * | 2019-04-23 | 2019-09-02 | 진재경 | Fabric layer cutting and separating apparatus of conveyor belt for blocking generation of dust |
| CN110587702A (en) * | 2019-08-22 | 2019-12-20 | 北京恒安众生科技有限公司 | Cutting tool and cutting device with same |
| CN110561514A (en) * | 2019-09-17 | 2019-12-13 | 浙江宜佳新材料股份有限公司 | Precision-adjustable high-precision impregnated paper cutting device |
| CN210914168U (en) * | 2019-09-18 | 2020-07-03 | 深圳市中兆智显科技有限公司 | Film cutting machine for producing LCD screen |
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| CN212170569U (en) * | 2020-05-15 | 2020-12-18 | 柳州佳饰家装饰材料有限公司 | Cutting device for pressing wood grain paper |
| CN111604215A (en) * | 2020-05-27 | 2020-09-01 | 张克财 | Production line of acrylic coated plate |
| CN213136899U (en) * | 2020-06-22 | 2021-05-07 | 杭州培盛卫浴材料有限公司 | Cutting equipment of extruded sheet |
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| CN113103382A (en) * | 2021-04-02 | 2021-07-13 | 李广有 | Jointless quality of laminated wood board covers melamine impregnated paper making devices |
| CN113293653B (en) * | 2021-05-28 | 2022-04-05 | 浙江德邦印务有限公司 | Anti-counterfeiting bill production process |
| CN113715320B (en) * | 2021-08-23 | 2023-03-31 | 山东瑞邦智能装备股份有限公司 | Automatic PVC membrane device that pastes of gypsum board |
| CN113524873A (en) * | 2021-08-24 | 2021-10-22 | 绍兴市金烟新型材料科技有限公司 | Processing technology of integrated fireproof smoke-discharging air pipe special plate |
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2021
- 2021-12-14 CN CN202111518759.5A patent/CN113911794B/en active Active
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