CN108529292A - A kind of feeding mechanism for coating machine - Google Patents
A kind of feeding mechanism for coating machine Download PDFInfo
- Publication number
- CN108529292A CN108529292A CN201810438941.1A CN201810438941A CN108529292A CN 108529292 A CN108529292 A CN 108529292A CN 201810438941 A CN201810438941 A CN 201810438941A CN 108529292 A CN108529292 A CN 108529292A
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- CN
- China
- Prior art keywords
- roll shaft
- roll
- group
- component
- tensioning
- 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.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 12
- 229920000297 Rayon Polymers 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 239000010408 film Substances 0.000 description 83
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
Abstract
A kind of feeding mechanism for coating machine, including rack, unwinding device and draft gear；The unwinding device and the draft gear are set to from right to left in the rack；The draft gear includes the first tensioning group, isolation group and the second tensioning group；The first tensioning group and the second tensioning group are set to and are set to from right to left in the rack, and the isolation group is set between the first tensioning group and the second tensioning group；The first tensioning group includes pan feeding roll shaft, a right roll shaft, right two roll shafts, right three roll shafts and preliminary conductive component；The pan feeding roll shaft, a right roll shaft, right two roll shafts, right three roll shafts and the preliminary conductive component are shifted to install from top to bottom in the rack；The preliminary conductive component is used to export the electrostatic on film.The second tensioning of isolation group pair group is isolated, and external dust or strong wind are completely cut off, and is ensured that film will not fall ash in the second tensioning group, can steadily be conveyed, ensure the tension effects of film.
Description
Technical field
The present invention relates to coating apparatus technical fields, and in particular to a kind of feeding mechanism for coating machine.
Background technology
In recent years, with the fast development of planar movement display technology, tablet computer, smart mobile phone, vehicle mounted guidance sum number
The application of the equipment such as code camera is more and more extensive.Optical hardening film is used in the manufacture of these device display screens.Optics is hard
It is usually to be made of with the transparent hard layer for being coated on its surface the film of high transparency to change film.Existing optical hardening film generally by
Solvent type wet coating mode produces.
Existing coating machine is mainly made of unwinding device, draft gear and coating apparatus etc., is provided in draft gear
Mostly with tensioning shaft.Process is as follows：Unwinding device releases and constantly releases film, and film bypasses the draft gear, most laggard
Enter and film is coated into coating apparatus.In coating process, film necessarily is in the state of rolling tightly, therefore film is entering
Before coating machine, need, around multiple idler rollers in draft gear, to be tensioned film.But due to working as pre-traction device
It is limited to its own structure, tension effects are simultaneously bad, are extremely easy to enable film to generate fold so that film after coated
Surface is uneven, asymmetric or have the phenomenon that holiday.
The width dimensions of film when due to coating are very big, and many dust are usually suspended in the air of workshop, these
Dust is easily fallen on film, and current draft gear does not have dust-extraction unit mostly, even if having dust-extraction unit, by dedusting
Rear film due to not covered or being protected well, also can dust fall again, and dust fall rear film Painting effect and bad, meeting
The defects of generating bubble or sags and crests.
Invention content
A kind of tension effects are good, conveying is steady it is an object of the invention to aiming at the deficiencies in the prior art, providing,
And film will not fall the feeding mechanism for coating machine of ash.
For this purpose, the present invention uses following technical scheme：A kind of feeding mechanism for coating machine, including rack,
Unwinding device and draft gear；
The unwinding device and the draft gear are set to from right to left in the rack；
The draft gear includes the first tensioning group, isolation group and the second tensioning group；
The first tensioning group and the second tensioning group are set to and are set to from right to left in the rack, the isolation
Group is set between the first tensioning group and the second tensioning group；
The first tensioning group includes pan feeding roll shaft, a right roll shaft, right two roll shafts, right three roll shafts and preliminary conductive component；
The pan feeding roll shaft, a right roll shaft, right two roll shafts, right three roll shafts and the preliminary conductive component misplace from top to bottom
It is set in the rack；The preliminary conductive component is used to export the electrostatic on film.
Preferably, the preliminary conductive component includes right four roll shafts, right five roll shafts and the first hairbrush；
Right four roll shaft and right five roll shaft are installed in the rack, and the right four roll shafts setting described right five
The surface of roll shaft, first hairbrush are set to the top of right four roll shaft.
Preferably, the second tensioning group includes lower-left component, left three roll shafts, flattening component, left six roll shafts, left seven rollers
Axis destatics component and discharge component；
The lower-left component, left three roll shafts, flattening component, left six roll shafts, destatic component and discharge component at left seven roll shafts
It is installed on from bottom to up in the rack, and respective mutual dislocation.
Preferably, lower-left component includes the first from left roll shaft and the second from left roll shaft；
The second from left roll shaft is set to the surface of the first from left roll shaft.
Preferably, the flattening component includes left four roll shafts and left five roll shafts；
Left four roll shaft and the right mutual spacing setting of described left five roll shafts, one the first from left；And the axis of left four roll shaft and
The axis of left five roll shaft is in same level.
Preferably, the component that destatics includes left eight roll shafts and the second hairbrush；
Viscose glue is enclosed on left eight roll shaft, second hairbrush is set to the lower right of left eight roll shaft.
Preferably, the discharge component includes discharging roll shaft and third hairbrush；
The third hairbrush is set to the lower right of the discharging roll shaft.
Preferably, the barrier assembly is cloche or the Glass House；
The first tensioning group and the second tensioning group are isolated from each other by the cloche or the Glass House.
Preferably, the unwinding device includes let off roll and unwinding rack；
The let off roll is set on the unwinding rack, and the unwinding rack is set to the right side of the first tensioning group.
Beneficial effects of the present invention：The second tensioning group is between the first tensioning group and coating machine, is its discharging
After can be coated at once, if not in place to the protection of the film and relatively easy fan for enabling film dust fall or workshop
Deng circulation device for air in film, can also blow film, and film is extremely thin, just easily dislocation or be blown change after being blown
Shape.But the application increases the isolation group and the second tensioning group is isolated, and completely cuts off external dust or strong wind, to
Ensure that film will not fall ash in the second tensioning group, and can steadily convey, ensures the normal tension effects of film.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overall structure diagram of one of present invention embodiment.
Wherein：Rack 1, unwinding device 2, let off roll 21, unwinding rack 22, draft gear 3, the first tensioning group 31, pan feeding roller
Axis 311, a right roll shaft 312, right two roll shafts 313, right three roll shafts 314, preliminary conductive component 315, right four roll shafts 3151, right five rollers
Axis 3152, the first hairbrush 3153, isolation group 32, the second tensioning group 33, lower-left component 331, the first from left roll shaft 3311, the second from left roll shaft
3312, left three roll shafts 332 flatten component 333, left four roll shafts 3331, left five roll shafts 3332, left six roll shafts 334, left seven roll shafts
335, component 336 is destaticed, left eight roll shafts 3361, the second hairbrush 3362, discharge component 337, discharge roll shaft 3371, third hairbrush
3372。
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of feeding mechanism for coating machine, including rack 1, unwinding device 2 and draft gear 3；
The unwinding device 2 and the draft gear 3 are set to from right to left in the rack 1；
The draft gear 3 includes the first tensioning group 31, isolation group 32 and the second tensioning group 33；
The first tensioning group 31 and the second tensioning group 33 are set to and are set to from right to left in the rack 1, institute
Isolation group 32 is stated to be set between the first tensioning group 31 and the second tensioning group 33；
The first tensioning group 31 includes pan feeding roll shaft 311, a right roll shaft 312, right two roll shafts 313,314 and of right three roll shaft
Preliminary conductive component 315；
The pan feeding roll shaft 311, a right roll shaft 312, right two roll shafts 313, right three roll shafts 314 and the preliminary conductive component
315 shift to install from top to bottom in the rack 1；The preliminary conductive component 315 is used to export the electrostatic on film.
The thin-film width to be processed is more than between 1-3 meters.
The pan feeding roll shaft 311, a right roll shaft 312, right two roll shafts 313, right three roll shafts 314 and the preliminary conductive component
315 shift to install from top to bottom in the rack 1, referring to that their axis is not in positive upper and lower, but they
Axis phase mutual centainly deviates.
Process is as follows：Film is constantly released in the unwinding device 2, film bypasses the pan feeding roll shaft 311, the right side one successively
Roll shaft 312, right two roll shafts 313 and right three roll shafts 314 most export to second tensioning through the preliminary conductive component 315 afterwards
It is tensioned again in group 33.The film between roll shaft is tensioned two-by-two, because they are prevented between two roll shafts
The buckling phenomena that film length is long and occurs.Film before leaving the first tensioning group 31 can obtain described preliminary
Conductive component 315 removes electrostatic to film so that leave the film of the first tensioning group 31 without electrostatic, it is convenient subsequently after
Continuous tensioning.
Pass through the isolation group 32 by preliminary smooth film, enter in the second tensioning group 33, again by
The second tensioning group 33 is tensioned.In fact, because the width of film is very big, by a first right roll shaft 312, right two roll shafts
313, the tensioning of right three roll shafts 314 and the preliminary conductive component 315, because the tensioning more than four roll shafts is related only to, and
Film cannot be flattened completely, and the medium position of film and two side positions actually still will appear more and larger fold, are
Ensure the flattening effect to film, it is necessary to increase by 33 pairs of films of the second tensioning group and be tensioned and smoothed again, and coating
Machine and dryer are typically all to be arranged in the top of the feeding mechanism, if only being opened by the first tensioning group 31
If tight, when film is exported from the first tensioning group 31, it is inherently in the lower section of the coating machine, film has to enter into
To being coated in coating machine, so film is to this section of transportation section of coating machine completely not any support and tensioning, pole has
Film may be enabled to occur fold again and lack tensioning, to which shadow coating machine is to the Painting effect of film.
The second tensioning group 33 is between the first tensioning group 31 and coating machine, is that can be applied at once after it discharges
Cloth, if the air circulation of not in place to the protection of film and relatively easy fan for enabling film dust fall or workshop etc. is set
It is standby also to blow film in film, and film is extremely thin, with regard to easily misplacing or being blown deformation after being blown.But the application increases
32 pairs of the isolation group the second tensioning group 33 is isolated, and completely cuts off external dust or strong wind, to ensure that film exists
Ash will not be fallen in the second tensioning group 33, and can steadily be conveyed, ensures the normal tension effects of film.
Further, the preliminary conductive component 315 includes right four roll shafts 3151, right five roll shafts 3152 and the first hairbrush
3153；
Right four roll shaft 3151 and right five roll shaft 3152 are installed in the rack 1, and right four roll shaft
3151 are arranged the surface of right five roll shaft 3152, and first hairbrush 3153 is set to the upper of right four roll shaft 3151
Side.
Film first bypasses right four roll shaft 3151 further around excessively described right five roll shaft 3152, and right four roll shaft 3151
The close proximity between right five roll shaft 3152 ensures that film is adequately stretched tight before leaving the first tensioning group 31
Tightly, enter the second tensioning group 33 be not in pull, while first hairbrush 3153 can eliminate on film residual or
The electrostatic of generation.
Further, the second tensioning group 33 includes lower-left component 331, left three roll shafts 332, flattening component 333, a left side
Six roll shafts 334, destatic component 336 and discharge component 337 at left seven roll shafts 335；
The lower-left component 331, left three roll shafts 332, flattening component 333, left six roll shafts 334, left seven roll shafts 335, except quiet
Electrical component 336 and discharge component 337 are installed on from bottom to up in the rack 1, and respective mutual dislocation.
Film successively bypasses the lower-left component 331, and the lower-left component 331 tightens film, thin after tightening
Film can become to be more prone in the tensioning of the second tensioning group 33.Film enters institute further around excessively described left three roll shaft 332
Flattening component 333 is stated, the flattening component 333 flattens film, completely eliminates the fold on film, film is further around mistake
Left six roll shaft 334 and left seven roll shafts 335, make the preceding tensioning to film of discharging, and film removes cleaning assemblies around described, disappears
The dust of film turn-over can be sticked out, can also eliminate the electrostatic on film again, finally passes through discharge component 337 and discharges.It is thin
The front of film refers to that uncoated one side, the reverse side of film refer to the one side by coating.
Further, lower-left component 331 includes the first from left roll shaft 3311 and the second from left roll shaft 3312；
The second from left roll shaft 3312 is set to the surface of the first from left roll shaft 3311.
Film first bypasses the first from left roll shaft 3311 further around excessively described the second from left roll shaft 3312, the first from left roll shaft 3311 and institute
It states between the second from left roll shaft 3312 at a distance of being also close, ensures that film can have adequately when entering the second tensioning group 33
It tightens, occurs the phenomenon that film is mutually pullled when preventing from being subsequently tensioned.
Further, the flattening component 333 includes four roll shaft 3331 of a left side and left five roll shafts 3332；
Left four roll shaft 3331 and the right mutual spacing setting of described left five roll shafts, 3,332 1 the first from left；And left four roll shaft
The axis of 3331 axis and left five roll shaft 3332 is in same level.
Film passes through between left four roll shaft 3331 and left five roll shaft 3332, the two sides of film quilt simultaneously
Left four roll shaft 3331 and left five roll shaft 3332 are equivalent to the obverse and reverse of film by " flattening-out " to pushing down, thus
Film surface by the flattening component 333 is very smooth.
Further, the component 336 that destatics includes left eight roll shafts 3361 and the second hairbrush 3362；
Viscose glue is enclosed on left eight roll shaft 3361, second hairbrush 3362 is set to left eight roll shaft 3361
Lower right.
Film first passes through second hairbrush 3362, and second hairbrush 3362 takes away the electrostatic on film, in addition when thin
When film bypasses left eight roll shaft 3361, left eight roll shaft 3361 can stick out the dust on film.
Further, the discharge component 337 includes discharging roll shaft 3371 and third hairbrush 3372；
The third hairbrush 3372 is set to the lower right of the discharging roll shaft 3371.
Film completes traction and the device of film around the last discharging of the discharging roll shaft 3371, after can be directly entered
It is coated in coating machine.It is provided with the second hairbrush between left eight roll shaft 3361 and the discharging roll shaft 3371
3362 and third hairbrush 3372, it is in order to which the rear film that ensures to discharge can never take electrostatic, second hairbrush 3362 and institute
Third hairbrush 3372 is stated the electrostatic of the film before discharging to taking away.And the effect of first hairbrush 3153 is to take away major part
Transmit the electrostatic on hairbrush.
Further, the isolation group 32 is cloche or the Glass House；
The first tensioning group 31 and the second tensioning group 33 are isolated from each other by the cloche or the Glass House.
The cloche or the Glass House can prevent external dust or strong wind from influencing the second tensioning group 33.The glass
It is provided with entrance below glass cover, the entrance that film enters the second tensioning group 33 from the first tensioning group 31 is provided.
Further, the unwinding device 2 includes let off roll 21 and unwinding rack 22；
The let off roll 21 is set on the unwinding rack 22, and the unwinding rack 22 is set to the first tensioning group 31
Right side.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (9)
1. a kind of feeding mechanism for coating machine, it is characterised in that：Including rack, unwinding device and draft gear；
The unwinding device and the draft gear are set to from right to left in the rack；
The draft gear includes the first tensioning group, isolation group and the second tensioning group；
The first tensioning group and the second tensioning group are set to and are set to from right to left in the rack, and the isolation group is set
It is placed between the first tensioning group and the second tensioning group；
The first tensioning group includes pan feeding roll shaft, a right roll shaft, right two roll shafts, right three roll shafts and preliminary conductive component；
The pan feeding roll shaft, a right roll shaft, right two roll shafts, right three roll shafts and the preliminary conductive component shift to install from top to bottom
In in the rack；The preliminary conductive component is used to export the electrostatic on film.
2. feeding mechanism according to claim 1, it is characterised in that：The preliminary conductive component includes right four roll shafts, the right side
Five roll shafts and the first hairbrush；
Right four roll shaft and right five roll shaft are installed in the rack, and right five roll shaft is arranged in right four roll shaft
Surface, first hairbrush is set to the top of right four roll shaft.
3. feeding mechanism according to claim 1, it is characterised in that：The second tensioning group includes lower-left component, a left side three
Roll shaft, left six roll shafts, left seven roll shafts, destatics component and discharge component at flattening component；
The lower-left component, left three roll shafts, flattening component, left six roll shafts, destatic component and discharge component under at left seven roll shafts
It is supreme to be installed in the rack, and respective mutual dislocation.
4. feeding mechanism according to claim 3, it is characterised in that：Lower-left component includes the first from left roll shaft and the second from left roll shaft；
The second from left roll shaft is set to the surface of the first from left roll shaft.
5. feeding mechanism according to claim 3, it is characterised in that：The flattening component includes left four roll shafts and left five rollers
Axis；
Left four roll shaft and the right mutual spacing setting of described left five roll shafts, one the first from left；And the axis of left four roll shaft and described
The axis of left five roll shafts is in same level.
6. feeding mechanism according to claim 3, it is characterised in that：The component that destatics includes left eight roll shafts and second
Hairbrush；
Viscose glue is enclosed on left eight roll shaft, second hairbrush is set to the lower right of left eight roll shaft.
7. feeding mechanism according to claim 3, it is characterised in that：The discharge component includes discharging roll shaft and third hair
Brush；
The third hairbrush is set to the lower right of the discharging roll shaft.
8. feeding mechanism according to claim 1, it is characterised in that：The barrier assembly is cloche or the Glass House；
The first tensioning group and the second tensioning group are isolated from each other by the cloche or the Glass House.
9. feeding mechanism according to claim 1, it is characterised in that：The unwinding device includes let off roll and unwinding rack；
The let off roll is set on the unwinding rack, and the unwinding rack is set to the right side of the first tensioning group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438941.1A CN108529292A (en) | 2018-05-09 | 2018-05-09 | A kind of feeding mechanism for coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438941.1A CN108529292A (en) | 2018-05-09 | 2018-05-09 | A kind of feeding mechanism for coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108529292A true CN108529292A (en) | 2018-09-14 |
Family
ID=63476665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810438941.1A Pending CN108529292A (en) | 2018-05-09 | 2018-05-09 | A kind of feeding mechanism for coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108529292A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739426A (en) * | 2019-10-08 | 2020-01-31 | 华南理工大学 | lithium ion battery diaphragm preparation facilities |
| CN111292901A (en) * | 2020-03-02 | 2020-06-16 | 王奉瑾 | Preparation method and preparation equipment of carbon wire |
| CN113104640A (en) * | 2021-04-19 | 2021-07-13 | 青岛华泓星塑胶有限公司 | Film flattening process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749988A (en) * | 1972-01-03 | 1973-07-31 | Westinghouse Electric Corp | Constant tension control system for a dc reel drive motor |
| CN203599155U (en) * | 2013-09-18 | 2014-05-21 | 贵州劲嘉新型包装材料有限公司 | Static electricity removing dust sucking device |
| CN205167859U (en) * | 2015-12-01 | 2016-04-20 | 云南红塔彩印包装有限公司 | Gilding press thermoprint aluminium foil neutralization apparatus |
| CN205240877U (en) * | 2015-12-15 | 2016-05-18 | 浙江翔鹏塑业股份有限公司 | Film unwinding device |
| CN105799309A (en) * | 2014-12-31 | 2016-07-27 | 天津市津西振宇印刷厂 | Flattening machine of printing press |
| CN205868681U (en) * | 2016-07-11 | 2017-01-11 | 东莞市魔方新能源科技有限公司 | Unfamiliar coating unit who contains dust cover |
| CN208345426U (en) * | 2018-05-09 | 2019-01-08 | 广东莱尔新材料科技股份有限公司 | A kind of feeding mechanism for coating machine |
-
2018
- 2018-05-09 CN CN201810438941.1A patent/CN108529292A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749988A (en) * | 1972-01-03 | 1973-07-31 | Westinghouse Electric Corp | Constant tension control system for a dc reel drive motor |
| CN203599155U (en) * | 2013-09-18 | 2014-05-21 | 贵州劲嘉新型包装材料有限公司 | Static electricity removing dust sucking device |
| CN105799309A (en) * | 2014-12-31 | 2016-07-27 | 天津市津西振宇印刷厂 | Flattening machine of printing press |
| CN205167859U (en) * | 2015-12-01 | 2016-04-20 | 云南红塔彩印包装有限公司 | Gilding press thermoprint aluminium foil neutralization apparatus |
| CN205240877U (en) * | 2015-12-15 | 2016-05-18 | 浙江翔鹏塑业股份有限公司 | Film unwinding device |
| CN205868681U (en) * | 2016-07-11 | 2017-01-11 | 东莞市魔方新能源科技有限公司 | Unfamiliar coating unit who contains dust cover |
| CN208345426U (en) * | 2018-05-09 | 2019-01-08 | 广东莱尔新材料科技股份有限公司 | A kind of feeding mechanism for coating machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739426A (en) * | 2019-10-08 | 2020-01-31 | 华南理工大学 | lithium ion battery diaphragm preparation facilities |
| CN111292901A (en) * | 2020-03-02 | 2020-06-16 | 王奉瑾 | Preparation method and preparation equipment of carbon wire |
| CN113104640A (en) * | 2021-04-19 | 2021-07-13 | 青岛华泓星塑胶有限公司 | Film flattening process |
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