CN112591515B - Film winding device - Google Patents
Film winding device Download PDFInfo
- Publication number
- CN112591515B CN112591515B CN202011475384.4A CN202011475384A CN112591515B CN 112591515 B CN112591515 B CN 112591515B CN 202011475384 A CN202011475384 A CN 202011475384A CN 112591515 B CN112591515 B CN 112591515B
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- CN
- China
- Prior art keywords
- roller
- film
- fixed
- rotating shaft
- slide bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004804 winding Methods 0.000 title claims abstract description 43
- 238000007790 scraping Methods 0.000 claims abstract description 36
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Winding Of Webs (AREA)
Abstract
The invention discloses a film winding device which is used for solving the technical problem that a film is easy to be polluted in the winding process and comprises two upright posts, a rotating shaft penetrating through the upright posts, a winding roller, a connecting component, an upper sliding rod, a lower sliding rod and an upper scraping plate and a lower scraping plate.
Description
Technical Field
The invention relates to the technical field of plastic film processing, in particular to a film winding device capable of removing dust on a film before winding the film.
Background
The plastic film is processed, the final working procedure is cooling and winding, after the longer film is cooled down to meet the requirement of winding and preserving, the production personnel need to wind the film on the winding roller through the winding roller, so that the film is wound into a cylindrical structure with a certain diameter and thickness.
The winding operation process is generally carried out in a production workshop, general air in the production workshop is relatively dry, dust in the production workshop can be agitated into the air by machine operation and walking of production staff, a certain amount of floating dust can be filled in the air, and in the winding process, the film is generally in an unfolding tightening state before being wound, so that the contact area between the film and the air is larger at the moment, the surface of the film is easy to be stained with dust, and the use quality of a finished product after being wound is influenced.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a film winding device which is used for solving the technical problem that the film in the background art is easy to be polluted by dust in the winding process.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a film coiling apparatus, including two relative stands, wear to establish on every stand and horizontally pivot, the roller, coupling assembling, two slide bars that are relative from top to bottom and two horizontal and upper and lower scraper blades that are relative from top to bottom, the roller is located between two stands and its both ends are connected with two pivot dismantlements respectively, roller and two pivot are coaxial, two slide bars and two scraper blades all are located roller top, be fixed with the mounting panel on one stand, two slide bars all are parallel with the roller and all wear to establish the mounting panel, the one end of two slide bars corresponds respectively with two scraper blade fixed connection, the other end of two slide bars respectively with coupling assembling sliding connection, coupling assembling is connected with the pivot on this stand, in order to be used for driving two slide bars and slide along the direction of perpendicular to roller axis in step with this pivot rotation, and then drive two synchronous slides, the inboard that every scraper blade is relative all is fixed with at least one elastic scraping strip of perpendicular to roller axis direction, the clearance that leaves the film between the elastic scraping strip that is relative from top to bottom on two scraper blades.
Working principle: the operator installs the roller between two pivots at first, later pulls the tip of the film of waiting to roll up processing, makes the tip of film pass through from the clearance between the upper and lower corresponding elasticity scraping strip, and the elasticity scraping strip of top contacts with the upper surface of film this moment, and the elasticity scraping strip of below contacts with the lower surface of film to keep pulling the tip of film, until the tip connection of film is rolled up on the roller.
And then the operator drives the rotating shaft to rotate, the rotating shaft drives the rolling roller and the other rolling shaft to rotate, the rolling roller continuously moves and continuously winds the traction film on the rolling roller in the rotating process, the rotating shaft drives the two sliding rods to synchronously slide by virtue of the connecting component in the rotating process, the two sliding rods synchronously drive the two scraping plates to slide in the sliding process, and the two scraping plates respectively drive the corresponding elastic scraping strips to slide on the film surface in the moving state in the sliding process, so that dust adhered on the upper surface and the lower surface of the film is scraped off from the film, and the effect of cleaning the dust on the film surface is achieved.
After the winding operation is finished, an operator only needs to detach the winding roller and the film on the winding roller from the position between the two rotating shafts, and then takes down the film wound into a cylinder shape from the winding roller.
The beneficial effects of the invention are as follows:
according to the invention, the end part of the film is pulled by means of the connecting component, the two sliding rods, the two scraping plates and the plurality of elastic scraping strips, so that the end part of the film passes through between the upper elastic scraping strip and the lower elastic scraping strip, at the moment, the upper elastic scraping strip is contacted with the upper surface of the film, the lower elastic scraping strip is contacted with the lower surface of the film, the end part of the film is wound on the winding roller, the winding roller is driven to rotate, the film is continuously pulled to move in the rotating process of the winding roller, the rotating shaft drives the two sliding rods to synchronously slide by means of the connecting component, the two sliding rods synchronously drive the two scraping plates to move, and the scraping plates drive the corresponding elastic scraping strips to move on the corresponding surfaces of the film, so that dust on the surface of the film can be scraped, and the dust removing effect is achieved.
The winding roller is detachably connected with the two rotating shafts, after the film winding processing is completed, an operator only needs to detach the winding roller and the film on the winding roller from between the two rotating shafts, and then the wound cylindrical film is taken down from the winding roller.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals illustrate: the device comprises a stand column 1, a rotating shaft 2, a winding roller 3, a sliding rod 4, a scraping plate 5, a mounting plate 6, an elastic scraping bar 7, a vertical rod 8, a first bevel gear 9, an eccentric wheel 10, a first connecting rod 11, a first limiting block 12, a sliding chute 13, a sliding block 14, an exhaust hole 15, a hose 16, a second bevel gear 17, a rotating shaft 18, fan blades 19, a connecting cylinder 20, a second connecting rod 21, a second limiting block 22, a bolt 23, a motor 24 and a mounting block 25.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
As shown in FIG. 1, a film reeling device comprises two opposite upright posts 1, a horizontal rotating shaft 2 penetrating through each upright post 1, a reeling roller 3, a connecting component, two sliding rods 4 opposite up and down and two scraping plates 5 opposite up and down, wherein the reeling roller 3 is positioned between the two upright posts 1, two ends of the reeling roller are respectively detachably connected with the two rotating shafts 2, two ends of the reeling roller 3 are close to the end parts and are in threaded connection with a bolt 23, and the two bolts 23 are respectively correspondingly in threaded connection with the two rotating shafts 2. The winding roller 3 and two pivots 2 are coaxial, two slide bars 4 and two scrapers 5 are all located winding roller 3 top, be fixed with mounting panel 6 on one stand 1, two slide bars 4 are all parallel and all wear to establish mounting panel 6 with winding roller 3, the one end of two slide bars 4 corresponds respectively with two scrapers 5 fixed connection, the other end of two slide bars 4 respectively with coupling assembling sliding connection, coupling assembling is connected with pivot 2 on this stand 1, in order to be used for rotating with this pivot 2 and drive two slide bars 4 and slide along the direction of perpendicular to winding roller 3 axis in step, and then drive two scrapers 5 and slide in step, the inboard that every scraper 5 is relative all is fixed with at least one elastic scraping strip 7 of perpendicular to winding roller 3 axis direction, the clearance that the film passed is left between the elastic scraping strip 7 that is relative from top to bottom on two scrapers 5, another be fixed with installation piece 25 on the stand 1, be fixed with motor 24 on this installation piece 25, pivot 2 on this stand 1 is connected at motor 24's output.
As shown in fig. 1, the connecting assembly comprises a vertical rod 8 arranged at one side of the vertical column 1, two meshed first bevel gears 9 and two eccentric wheels 10 which are horizontally and vertically opposite, a first connecting rod 11 is fixed on the vertical column 1, the vertical rod 8 penetrates through the first connecting rod 11, two first limiting blocks 12 positioned at two sides of the first connecting rod 11 are fixed on the vertical rod 8, one first bevel gear 9 is fixedly connected with the rotating end part of the vertical column 1, the other first bevel gear 9 is fixedly connected with the bottom end of the vertical rod 8, the top end of the vertical rod 8 penetrates through the eccentric wheel 10 positioned below and is fixedly connected with the eccentric wheel 10 positioned above, and the two eccentric wheels 10 are respectively correspondingly and slidably connected with the end parts of the two sliding rods 4. Annular sliding grooves 13 are formed in the circumferential side walls of the two eccentric wheels 10, sliding blocks 14 are arranged in the sliding grooves 13, and the end parts of the two sliding rods 4 are fixedly connected with the two sliding blocks 14 respectively.
As shown in fig. 1, two scrapers 5 are hollow, the inner sides of the two scrapers 5 opposite to each other are provided with exhaust holes 15 communicated with the cavities of the scrapers 5, and one side of each scraper 5 is connected with a hose 16 for conveying gas into the cavity of the scraper 5. And two gas generating assemblies for respectively and correspondingly conveying gas into the two hoses 16, wherein the two hoses 16 are positioned on the same side of the two scrapers 5. Each gas generating assembly comprises two meshed second bevel gears 17, a rotating shaft 18 arranged on one side of a mounting plate 6, a plurality of fan blades 19 and a connecting cylinder 20, wherein two second connecting rods 21 are fixed on the mounting plate 6, the two rotating shafts 18 respectively penetrate through the two second connecting rods 21 correspondingly, two second limiting blocks 22 positioned on two sides of the corresponding second connecting rods 21 are fixed on each rotating shaft 18, one second bevel gear 17 is fixedly sleeved on the periphery of the vertical rod 8, the other second bevel gear 17 is fixedly connected with the end part of the rotating shaft 18, the fan blades 19 are fixedly connected with the other end of the rotating shaft 18, the connecting cylinder 20 is fixed on the mounting plate 6, the fan blades 19 are positioned in the connecting cylinder 20, and the hose 16 is communicated with the connecting cylinder 20.
As shown in fig. 1, the upright rod 8 synchronously drives the second bevel gear 17 to rotate in the rotation process, so that the second bevel gear 17 drives the other second bevel gear 17 meshed with the second bevel gear 17 to rotate, and then drives the rotating shaft 18 to rotate, the rotating shaft 18 rotates to drive the plurality of fan blades 19 to rotate, the plurality of fan blades 19 rotate to generate flowing wind force, the flowing wind force enters the connecting cylinder 20 and enters the hose 16 through the connecting cylinder 20, then enters the cavity of the scraper 5 through the hose 16, and finally is blown to the surface of the film from the exhaust hole 15, so that dust adhered to the surface of the film is further blown, and the dust adhered to the film is thoroughly removed from the surface of the film by matching with the elastic scraping strip 7. This way, a cooperative engagement between the elastic wiper strip 7 and the exhaust hole 15 can be achieved, so that dust adhering to the surface of the film can be thoroughly removed.
Working principle: the operator installs the roller 3 between two pivots 2 at first, later pulls the tip of the film of processing of waiting to roll up, makes the tip of film pass through from the clearance between the upper and lower corresponding elastic scraping strip 7, and the elastic scraping strip 7 of top contacts with the upper surface of film this moment, and the elastic scraping strip 7 of below contacts with the lower surface of film to keep pulling the tip of film, until the end connection of film is rolled up on the roller 3, elastic scraping strip 7 is made by the rubber strip material.
Then, the operator drives the rotating shaft 2 to rotate through the motor 24, and then the rotating shaft 2 drives the winding roller 3 and the other rotating shaft 2 to rotate, the winding roller 3 continuously moves and continuously winds the traction film on the winding roller 3 in the rotating process, and the rotating shaft 2 drives the two sliding rods 4 to synchronously slide by means of the connecting component in the rotating process, specifically, the rotating shaft 2 drives the vertical rod 8 to rotate by means of the two first bevel gears 9 in the rotating process, the vertical rod 8 synchronously drives the two eccentric wheels 10 to rotate in the rotating process, the two eccentric wheels 10 can synchronously drive the two sliding rods 4 to reciprocally slide in the rotating process, so that the two sliding rods 4 drive the two scraping plates 5 to move, and the two scraping plates 5 respectively drive the corresponding elastic scraping strips 7 to slide on the film surface in the moving state in the sliding process, so that dust adhered on the upper surface and the lower surface of the film is scraped off the film, and the effect of cleaning dust on the film surface is achieved.
The upright rod 8 can drive the second bevel gear 17 to synchronously rotate in the rotating process, the second bevel gear 17 drives the second bevel gear 17 meshed with the second bevel gear 17 to rotate, the rotating shaft 18 is driven to rotate, the rotating shaft 18 rotates to drive the plurality of fan blades 19 to rotate, so that the plurality of fan blades 19 generate wind power, the generated wind power sequentially flows through the connecting cylinder 20, the hose 16 and the cavity of the scraper 5 and finally blows to the surface of the film from the exhaust hole 15, and the wind power is matched with the elastic scraping strip 7 to thoroughly remove dust adhered to the surface of the film.
After the winding operation is finished, an operator only needs to detach the winding roller 3 and the film on the winding roller 3 from between the two rotating shafts 2, and then takes down the wound cylindrical film from the winding roller 3, so that the whole installation and operation process of the invention is finished.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. A film reeling device, characterized in that: including two relative stand (1), wear to establish on every stand (1) and horizontally pivot (2), roller (3), coupling assembling, two slide bars (4) that are relative from top to bottom and two scraper blades (5) that are relative from top to bottom, roller (3) are located between two stand (1) and its both ends are connected with two pivot (2) dismantlement respectively, roller (3) and two pivot (2) are coaxial, two slide bars (4) and two scraper blades (5) all are located roller (3) top, wherein be fixed with mounting panel (6) on one stand (1), two slide bars (4) all are parallel with roller (3) and all wear to establish mounting panel (6), the one end of two slide bars (4) corresponds respectively with two scraper blades (5) fixed connection, the other end of two slide bars (4) respectively with coupling assembling sliding connection, coupling assembling and this stand (1) on pivot (2) are connected, be used for rotating and driving two slide bars (4) and follow roller (3) synchronous piece (3) along the axis of roller (5) synchronous piece of rotation, and the axis of at least one side of each scraper blade (5) is fixed with the synchronous piece of the axial line of the synchronous roller (3) in the direction of the same direction that the axial line (7) is all fixed with the scraper blade (5), the elastic scraping strips (7) on the two scraping plates (5) are opposite up and down, and a gap for passing a film is reserved between the elastic scraping strips (7) opposite up and down;
the connecting assembly comprises a vertical rod (8) arranged on one side of the vertical column (1), two meshed first bevel gears (9) and two eccentric wheels (10) which are horizontally and vertically opposite, wherein one first bevel gear (9) is fixedly connected with the rotating end part of the vertical column (1), the other first bevel gear (9) is fixedly connected with the bottom end of the vertical rod (8), the top end of the vertical rod (8) fixedly penetrates through the eccentric wheel (10) positioned below and is fixedly connected with the eccentric wheel (10) positioned above, and the two eccentric wheels (10) are respectively correspondingly and slidably connected with the end parts of the two sliding rods (4);
a first connecting rod (11) is fixed on the upright post (1), the upright post (8) passes through the first connecting rod (11), and two first limiting blocks (12) positioned at two sides of the first connecting rod (11) are fixed on the upright post (8);
annular sliding grooves (13) are formed in the circumferential side walls of the two eccentric wheels (10), sliding blocks (14) are arranged in the sliding grooves (13), and the end parts of the two sliding rods (4) are fixedly connected with the two sliding blocks (14) correspondingly;
the two scrapers (5) are hollow, exhaust holes (15) communicated with the cavities of the scrapers (5) are formed in the inner sides of the two scrapers (5) opposite to each other, and one side of each scraper (5) is connected with a hose (16) for conveying gas into the cavity of the scraper (5);
the device also comprises two gas generating assemblies which respectively and correspondingly convey gas into the two hoses (16), and the two hoses (16) are positioned on the same side of the two scrapers (5);
each gas generating assembly comprises two meshed second bevel gears (17), a rotating shaft (18) arranged on one side of the mounting plate (6), a plurality of fan blades (19) and a connecting cylinder (20), wherein one second bevel gear (17) is fixedly sleeved on the periphery of the vertical rod (8), the other second bevel gear (17) is fixedly connected with the end part of the rotating shaft (18), the fan blades (19) are fixedly connected with the other end of the rotating shaft (18), the connecting cylinder (20) is fixed on the mounting plate (6), the fan blades (19) are all positioned in the connecting cylinder (20), and a hose (16) is communicated with the connecting cylinder (20).
2. A film winding apparatus as claimed in claim 1, wherein: two second connecting rods (21) are fixed on the mounting plate (6), two rotating shafts (18) respectively penetrate through the two second connecting rods (21) correspondingly, and two second limiting blocks (22) positioned on two sides of the corresponding second connecting rods (21) are fixed on each rotating shaft (18).
3. A film winding apparatus as claimed in claim 1, wherein: two ends of the roller (3) are close to the end parts and are in threaded connection with a bolt (23), and the two bolts (23) are in threaded connection with the two rotating shafts (2) correspondingly.
4. A film winding apparatus as claimed in claim 1, wherein: the other upright post (1) is fixedly provided with a motor (24), and a rotating shaft (2) on the upright post (1) is connected with the output end of the motor (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475384.4A CN112591515B (en) | 2020-12-15 | 2020-12-15 | Film winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475384.4A CN112591515B (en) | 2020-12-15 | 2020-12-15 | Film winding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112591515A CN112591515A (en) | 2021-04-02 |
| CN112591515B true CN112591515B (en) | 2023-06-23 |
Family
ID=75195549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011475384.4A Active CN112591515B (en) | 2020-12-15 | 2020-12-15 | Film winding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112591515B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334638A (en) * | 2021-05-08 | 2021-09-03 | 重庆和泰润佳股份有限公司 | Plastic panel breaker is used in film production |
| CN113213217B (en) * | 2021-05-31 | 2022-11-01 | 重庆和泰润佳股份有限公司 | Film winding device |
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|---|---|---|---|---|
| EP0479528A2 (en) * | 1990-09-29 | 1992-04-08 | Michael James Knights | Polythene sheeting cleaner |
| JP2016140826A (en) * | 2015-02-02 | 2016-08-08 | 大日本印刷株式会社 | Foreign matter removal device, web processing machine and foreign matter removal method |
| CN107618927A (en) * | 2017-09-30 | 2018-01-23 | 重庆三创印刷有限公司 | A kind of film cutting method |
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| JP4611900B2 (en) * | 2006-01-12 | 2011-01-12 | 株式会社ニックス | Dust removal equipment |
| CN108792723A (en) * | 2017-03-08 | 2018-11-13 | 李月仙 | A kind of weaving with dedusting function cloth wrap-up |
| CN208326797U (en) * | 2018-05-03 | 2019-01-04 | 安徽路政通新材料科技有限公司 | A kind of reflective membrane packing wrap-up with dedusting function |
| CN209492080U (en) * | 2018-09-29 | 2019-10-15 | 天津天雄薄膜有限公司 | PVC film cools down process equipment |
| CN109626056B (en) * | 2019-01-26 | 2020-12-18 | 吉安中逸非织造材料有限公司 | Cloth coiling mechanism with clean function |
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| CN210214239U (en) * | 2019-06-03 | 2020-03-31 | 重庆喜多利包装印务有限公司 | Cleaning and winding device for food packaging bag production |
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|---|---|---|---|---|
| EP0479528A2 (en) * | 1990-09-29 | 1992-04-08 | Michael James Knights | Polythene sheeting cleaner |
| JP2016140826A (en) * | 2015-02-02 | 2016-08-08 | 大日本印刷株式会社 | Foreign matter removal device, web processing machine and foreign matter removal method |
| CN107618927A (en) * | 2017-09-30 | 2018-01-23 | 重庆三创印刷有限公司 | A kind of film cutting method |
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|---|---|
| CN112591515A (en) | 2021-04-02 |
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