CN110065192A - Tri-roll press machine is used in a kind of production of light guiding film - Google Patents
Tri-roll press machine is used in a kind of production of light guiding film Download PDFInfo
- Publication number
- CN110065192A CN110065192A CN201910350640.8A CN201910350640A CN110065192A CN 110065192 A CN110065192 A CN 110065192A CN 201910350640 A CN201910350640 A CN 201910350640A CN 110065192 A CN110065192 A CN 110065192A
- Authority
- CN
- China
- Prior art keywords
- storehouse
- calendering
- bottom plate
- pressure roller
- light guiding
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C2043/3272—Component parts, details or accessories; Auxiliary operations driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of light guiding film production tri-roll press machines, including frame body, calender system and heating mechanism, frame body includes bottom plate and calendering storehouse, the upper surface of bottom plate is connected with control panel, the lower surface four corners of bottom plate are connected with self-locking universal wheel, roll the cuboid cavity structure that storehouse is bottom opening, calendering storehouse is fixed in the upper surface of bottom plate, roll and is respectively equipped with inlet port and outlet port on the front and back side plate in storehouse, rolling uniform affixed conducting on the top plate in storehouse has several hot air pipes, the free end of hot air pipe is connected with thread bush, calender system setting is in calendering storehouse, heating mechanism is connect with thread bush, the beneficial effects of the invention are as follows, during light guiding film calendering, heating mechanism can guarantee the temperature of thermoplastic, product quality reduces caused by avoiding its temperature from declining or production fails, during processing, heat Modeling plastics are rolled between two secondary pressure rollers and main pressure roller respectively, to improve the quality of calendered product.
Description
Technical field
The present invention relates to light guiding film production equipment technologies, and in particular to tri-roll press machine is used in a kind of production of light guiding film.
Background technique
Light guiding film, it have it is ultra-thin, shine uniformly, color desktop the features such as, be mainly used in mobile phone key, Ke Yirang
Key is rich in color.It usually requires to use calender in the production process of light guiding film, calender is by two or two
Above roller is arranged by certain forms, at a certain temperature, by rubber or plastics compacting extension at certain thickness and surface shape
The film of shape, and the machinery of kiss-coating can be carried out to fiber curtain canvas or wirecord fabric.
The thermoplastic close to flow temperature being plasticized by a series of opposite direction rotatings horizontal roller gap,
So that material is born extruding and extension effect, becomes the lamellar product with certain thickness, width and any surface finish.
When traditional calender works, during being rolled, temperature cannot keep thermoplastic material, so that pressing
The temperature of time delay material may be decreased under flow temperature, poor so as to cause the effect of calendering, and calendering is caused to be lost when serious
It loses, and three pressure rollers of traditional tri-roll press machine are discharged vertically, the calendering of two width materials can be carried out simultaneously, make the effect of calendering
Rate improves, and still, traditional tri-roll press machine is in calendering, material one-pass molding, and the product quality for producing calendering is poor,
Roll quality to improve, it usually needs two or more calenders is set in Flow of Goods and Materials direction, leads to the purchase commodity of equipment
Increase and the demand in place increases.
Summary of the invention
To solve the above problems, the present invention provides a kind of light guiding film production tri-roll press machine, the present invention be by with
Lower technical solution is realized.
A kind of light guiding film production tri-roll press machine, including frame body, calender system and heating mechanism, the frame body include bottom
Plate and calendering storehouse, the upper surface of the bottom plate are connected with control panel, and the lower surface four corners of bottom plate are connected with self-locking universal
Wheel, the calendering storehouse are the cuboid cavity structure of bottom opening, and calendering storehouse is fixed in the upper surface of bottom plate, rolls the front and back in storehouse
Inlet port and outlet port are respectively equipped on side plate, rolling uniform affixed conducting on the top plate in storehouse has several hot air pipes, the hot wind
The free end of pipe is connected with thread bush, and in calendering storehouse, the heating mechanism is connect with thread bush for the calender system setting.
Further, it is symmetrically rotatably connected to charging deflector roll in the feed inlet, is symmetrically rotatablely connected in the discharge port
There is discharging deflector roll.
Further, the calender system includes that main pressure roller, motor, secondary pressure roller and guide roller, the main pressure roller pass through master
Axis is rotatably connected between the left side plate in calendering storehouse, and the rear end of main shaft reaches outside calendering storehouse and is connected with driving gear, institute
The front side board outer wall that motor is fixed in calendering storehouse, motor driven main axis are stated, motor is powered by external power supply and is equipped with control
The first switch of its stop and start is made, on the control panel, the pair pressure roller is rotatably connected on by countershaft for the first switch setting
Between the left side plate for rolling storehouse, secondary pressure roller is respectively arranged at one in the underface of main pressure roller and front-right, main each two pairs of pressure roller
The equal gap setting of pressure roller, the distance in gap are equal to the thickness of light guiding film, and the rear end of countershaft injects to outside calendering storehouse and is connected with
Driven gear, two uniform driving gear engagements of driven gear, the guide roller are rotatably connected on the left and right sides in calendering storehouse
Between plate.
Further, the heating mechanism includes warehouse, blower, heating tube, radio-frequency power supply, adaptation and induction coil,
The warehouse is fixed in the upper surface of bottom plate and is located at the right side in calendering storehouse, is connected with partition in warehouse, and the partition is by warehouse
It is separated into the heating cabinet on top and the conversion storehouse of lower part, converting affixed conducting on the side plate in storehouse has blast pipe, and the blower is affixed
On bottom plate, the air outlet of blower and the affixed conducting of blast pipe, blower, which is powered and is equipped with by external power supply, controls its stop and start
Second switch, on the control panel, the bottom of the heating tube is affixed with partition and leads with conversion storehouse for the second switch setting
It is logical, except being reached at the top of warehouse at the top of heating tube and it is equipped with thread groove, thread bush connects one to one with thread groove, described
Radio-frequency power supply and adaptation are fixed in warehouse outer wall, and radio-frequency power supply is powered by external power supply, and the induction coil is wrapped in respectively
In heating tube, radio-frequency power supply, adaptation and induction coil constitute series loop.
It further, further include temperature control mechanism, the temperature control mechanism includes temperature sensor and controller, and the temperature passes
Sensor is fixed in calendering storehouse, and the controller is fixed on bottom plate, and the input terminal and temperature sensor of controller are electrically connected,
The output end and radio-frequency power supply of controller are electrically connected.
Further, the model Pt100 of the temperature sensor, the controller are KY02S controller.
The invention has the advantages that structure novel, practical function, during light guiding film calendering, heating mechanism can
To guarantee the temperature of thermoplastic, product quality is reduced caused by avoiding its temperature from declining or production fails, in the mistake of processing
Cheng Zhong, thermoplastic is rolled between two secondary pressure rollers and main pressure roller respectively, to improve the quality of calendered product.
Detailed description of the invention
It, below will be to required use in specific embodiment description in order to illustrate more clearly of technical solution of the present invention
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
A kind of Fig. 1: structural schematic diagram of light guiding film production tri-roll press machine of the present invention；
A kind of Fig. 2: structural schematic diagram of light guiding film production another angle of tri-roll press machine of the present invention；
Fig. 3: the schematic diagram of internal structure in calendering storehouse of the present invention；
Fig. 4: the partial schematic diagram of heating mechanism of the present invention.
Appended drawing reference is as follows:
101, bottom plate, 102, calendering storehouse, 103, control panel, 104, self-locking universal wheel, 105, feed inlet, 106, discharging
Mouthful, 107, hot air pipe, 108, thread bush, 109, charging deflector roll, 110, discharging deflector roll,
201, main pressure roller, 202, motor, 203, secondary pressure roller, 204, guide roller, 205, main shaft, 206, driving gear, 207,
Countershaft, 208, driven gear,
301, warehouse, 302, blower, 303, heating tube, 304, radio-frequency power supply, 305, adaptation, 306, induction coil,
307, partition, 308, heating cabinet, 309, conversion storehouse, 310, blast pipe, 311, thread groove,
401, temperature sensor, 402, controller.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the present invention has following four specific embodiment:
Embodiment 1
A kind of light guiding film production tri-roll press machine, including frame body, calender system and heating mechanism, frame body include bottom plate
101 are connected with control panel 103 with calendering storehouse 102, the upper surface of bottom plate 101, and the lower surface four corners of bottom plate 101 are connected with
Self-locking universal wheel 104, calendering storehouse 102 are the cuboid cavity structure of bottom opening, and calendering storehouse 102 is fixed in the upper of bottom plate 101
Surface rolls and is respectively equipped with feed inlet 105 and discharge port 106 on the front and back side plate in storehouse 102, rolls on the top plate in storehouse 102 uniformly
Affixed conducting has several hot air pipes 107, and the free end of hot air pipe 107 is connected with thread bush 108, and calender system setting is in calendering storehouse
In 102, heating mechanism is connect with thread bush 108.
Preferably, it is symmetrically rotatably connected to charging deflector roll 109 in feed inlet 105, is symmetrically rotatably connected in discharge port 106
Discharge deflector roll 110.
Embodiment 2
The difference from embodiment 1 is that the invention also includes the following contents:
Calender system includes that main pressure roller 201, motor 202, secondary pressure roller 203 and guide roller 204, main pressure roller 201 pass through main shaft
205 are rotatably connected between the left side plate in calendering storehouse 102, and the rear end of main shaft 205 reaches outside calendering storehouse 102 and is connected with master
Moving gear 206, motor 202 are fixed in the front side board outer wall in calendering storehouse 102, the rotation of 202 driving spindle 205 of motor, and motor 202 leads to
It crosses external power supply to power and be equipped with the first switch for controlling its stop and start, first switch is arranged on control panel 103, secondary pressure roller
203 are rotatably connected between the left side plate in calendering storehouse 102 by countershaft 207, and secondary pressure roller 203 is in the underface of main pressure roller 201
Respectively it is arranged at one with front-right, 201 each two equal gap settings of secondary pressure roller 203 of main pressure roller, the distance in gap is equal to light guiding film
Thickness, the rear end of countershaft 207 inject to outside calendering storehouse 102 and are connected with driven gear 208, and two driven gears 208 are uniform
Driving gear 206 engages, and guide roller 204 is rotatably connected between the left side plate in calendering storehouse 102
Embodiment 3
The difference from example 2 is that the invention also includes the following contents:
Heating mechanism includes warehouse 301, blower 302, heating tube 303, radio-frequency power supply 304, adaptation 305 and induction coil
306, warehouse 301 is fixed in the upper surface of bottom plate 101 and is located at the right side in calendering storehouse 102, is connected with partition 307 in warehouse 301,
Warehouse 301 is separated into the heating cabinet 308 on top and the conversion storehouse 309 of lower part by partition 307, is converted affixed on the side plate in storehouse 309
Conducting has blast pipe 310, and blower 302 is fixed on bottom plate 101, the air outlet of blower 302 and the affixed conducting of blast pipe 310, wind
Machine 302 is powered by external power supply and is equipped with the second switch for controlling its stop and start, and second switch is arranged on control panel 103,
The bottom of heating tube 303 is affixed with partition 307 and is connected with conversion storehouse 309, and the top of heating tube 303 reaches the top of warehouse 301
Except portion and it is equipped with thread groove 311, thread bush 108 connects one to one with thread groove 311, radio-frequency power supply 304 and adaptation 305
It is fixed in 301 outer wall of warehouse, radio-frequency power supply 304 is powered by external power supply, and induction coil 306 is wrapped in each heating tube 303,
Radio-frequency power supply 304, adaptation 305 and induction coil 306 constitute series loop
Embodiment 4
Difference with embodiment 3 is that the invention also includes the following contents:
It further include temperature control mechanism, temperature control mechanism includes temperature sensor 401 and controller 402, and temperature sensor 401 is affixed
In calendering storehouse 102, controller 402 is fixed on bottom plate 101, and the input terminal of controller 402 electrically connects with temperature sensor 401
It connects, the output end and radio-frequency power supply 304 of controller 402 are electrically connected.
Preferably, the model Pt100 of temperature sensor 401, controller 402 are KY02S controller.
Working principle: in use, the thermoplastic close to flow temperature being plasticized is transported to pressure through feeding deflector roll 109
Prolong in storehouse 102, the light guiding film after being calendered carries out subsequent cooling and winding work after discharging deflector roll 110 is discharged.
During calendering, material is respectively in the secondary pressure roller 203 and main 201-rear side of pressure roller of main 201-lower section of pressure roller
Secondary pressure roller 203 between rolled, the light guiding film after calendering through guide roller 204 guiding after through discharging deflector roll 110 export.
302 exhausting of blower enters conversion storehouse 309, and the heated pipe 303 of air and hot air pipe 107 converted in storehouse 309 enter
Into calendering storehouse 102, the temperature of plasticizing plastic in calendering storehouse 102 is kept, the alternating current of high frequency is generated when radio-frequency power supply 304 works
Source, the AC power source of high frequency generate heat when passing through induction coil 306, heat to the air flowed in heating tube 303.
Temperature sensor 401 can be monitored in real time the temperature in calendering storehouse 102 and data be conveyed to controller 402, control
Device 402 processed compares the data and data preset in it, when the data are higher than preset data, disconnects radio-frequency power supply
304 circuit, when being lower than preset data, radio-frequency power supply 304 works, to keep the relative stability of temperature in calendering storehouse 102.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, also do not limit the specific embodiment that the invention is only.Obviously, according to the content of this specification, can make
Many modifications and variations.These embodiments are chosen and specifically described to this specification, is original in order to better explain the present invention
Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only authorized
The limitation of sharp claim and its full scope and equivalent.
Claims (6)
1. a kind of light guiding film production tri-roll press machine, it is characterised in that: described including frame body, calender system and heating mechanism
Frame body includes bottom plate and calendering storehouse, and the upper surface of the bottom plate is connected with control panel, and the lower surface four corners of bottom plate are affixed
There is self-locking universal wheel, the calendering storehouse is the cuboid cavity structure of bottom opening, and calendering storehouse is fixed in the upper surface of bottom plate, pressure
Inlet port and outlet port are respectively equipped on the front and back side plate of Yan Cang, uniformly affixed conducting has hot dry wind if rolling on the top plate in storehouse
Pipe, the free end of the hot air pipe are connected with thread bush, and the calender system setting is in calendering storehouse, the heating mechanism and spiral shell
Line set connection.
2. a kind of light guiding film production tri-roll press machine according to claim 1, it is characterised in that: right in the feed inlet
Title is rotatably connected to charging deflector roll, is symmetrically rotatably connected to discharging deflector roll in the discharge port.
3. a kind of light guiding film production tri-roll press machine according to claim 1, it is characterised in that: the calender system packet
Include main pressure roller, motor, secondary pressure roller and guide roller, the main pressure roller be connected to by main axis roll storehouse left side plate it
Between, the rear end of main shaft reaches outside calendering storehouse and is connected with driving gear, and the motor is fixed in the front side board outer wall in calendering storehouse,
Motor driven main axis, motor are powered by external power supply and are equipped with the first switch for controlling its stop and start, the first switch
On the control panel, the pair pressure roller is rotatably connected between the left side plate in calendering storehouse by countershaft, and secondary pressure roller is in master for setting
The underface of pressure roller and front-right are respectively arranged at one, and each two equal gap settings of secondary pressure roller of main pressure roller, the distance in gap, which is equal to, to be led
The thickness of light film, the rear end of countershaft inject to outside calendering storehouse and are connected with driven gear, and two driven gears are uniformly led
Moving gear engagement, the guide roller are rotatably connected between the left side plate in calendering storehouse.
4. a kind of light guiding film production tri-roll press machine according to claim 1, it is characterised in that: the heating mechanism packet
Warehouse, blower, heating tube, radio-frequency power supply, adaptation and induction coil are included, the warehouse is fixed in the upper surface of bottom plate and is located at
Rolling the right side in storehouse, is connected with partition in warehouse, warehouse is separated into the heating cabinet on top and the conversion storehouse of lower part by the partition,
Converting affixed conducting on the side plate in storehouse has blast pipe, and the blower is fixed on bottom plate, and the air outlet and blast pipe of blower are affixed
Conducting, blower are powered by external power supply and are equipped with the second switch for controlling its stop and start, and the second switch is arranged in control plane
On plate, the bottom of the heating tube is affixed with partition and is connected with conversion storehouse, except being reached at the top of warehouse at the top of heating tube
And it is equipped with thread groove, thread bush connects one to one with thread groove, and the radio-frequency power supply and adaptation are fixed in warehouse outer wall, penetrate
Frequency power is powered by external power supply, and the induction coil is wrapped in each heating tube, radio-frequency power supply, adaptation and induction coil
Constitute series loop.
5. a kind of light guiding film production tri-roll press machine according to claim 4, it is characterised in that: further include temperature controlling machine
Structure, the temperature control mechanism include temperature sensor and controller, and the temperature sensor is fixed in calendering storehouse, the controller
It is fixed on bottom plate, the input terminal and temperature sensor of controller are electrically connected, and the output end and radio-frequency power supply of controller are electrical
Connection.
6. a kind of light guiding film production tri-roll press machine according to claim 5, it is characterised in that: the temperature sensor
Model Pt100, the controller be KY02S controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350640.8A CN110065192A (en) | 2019-04-28 | 2019-04-28 | Tri-roll press machine is used in a kind of production of light guiding film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350640.8A CN110065192A (en) | 2019-04-28 | 2019-04-28 | Tri-roll press machine is used in a kind of production of light guiding film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110065192A true CN110065192A (en) | 2019-07-30 |
Family
ID=67369404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910350640.8A Pending CN110065192A (en) | 2019-04-28 | 2019-04-28 | Tri-roll press machine is used in a kind of production of light guiding film |
Country Status (1)
| Country | Link |
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| CN (1) | CN110065192A (en) |
Cited By (3)
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| CN110587888A (en) * | 2019-09-20 | 2019-12-20 | 天津市天塑滨海氟塑料制品有限公司 | Calender capable of accurately measuring temperature |
| CN111976073A (en) * | 2020-08-04 | 2020-11-24 | 湖州骏才科技有限公司 | Calender for processing plastic film for film production |
| CN114770843A (en) * | 2022-03-30 | 2022-07-22 | 杨芸 | A calendering roller temperature compensation device for TDK film processing equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587888A (en) * | 2019-09-20 | 2019-12-20 | 天津市天塑滨海氟塑料制品有限公司 | Calender capable of accurately measuring temperature |
| CN111976073A (en) * | 2020-08-04 | 2020-11-24 | 湖州骏才科技有限公司 | Calender for processing plastic film for film production |
| CN114770843A (en) * | 2022-03-30 | 2022-07-22 | 杨芸 | A calendering roller temperature compensation device for TDK film processing equipment |
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Application publication date: 20190730 |
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| RJ01 | Rejection of invention patent application after publication |