CN111238199A - Production process for solving adhesion between films and drying device for films - Google Patents
Production process for solving adhesion between films and drying device for films Download PDFInfo
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- CN111238199A CN111238199A CN202010048332.2A CN202010048332A CN111238199A CN 111238199 A CN111238199 A CN 111238199A CN 202010048332 A CN202010048332 A CN 202010048332A CN 111238199 A CN111238199 A CN 111238199A
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- steel belt
- steel strip
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- 238000001035 drying Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000004014 plasticizer Substances 0.000 claims abstract description 6
- 239000004094 surface-active agent Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 21
- 238000011068 loading method Methods 0.000 claims description 13
- 238000004806 packaging method and process Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000003313 weakening effect Effects 0.000 claims description 4
- 239000006255 coating slurry Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 description 85
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
- F26B13/18—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a production process for solving the adhesion among films, which comprises the steps of mixing PVA, a plasticizer and a surfactant by a mixing device, coating a film raw material solution on drying equipment, drying to form a film, heating a carrying steel belt of which a drying channel is in contact with the film in the movement of the carrying steel belt, and generating bubbles to form anti-adhesion grains by moisture on the solid-liquid surface between the film and the carrying steel belt when the carrying steel belt is heated to a certain temperature; the process can realize that the dense, uniform and controllable grains are processed on the surface of the film, and the depth of the grains is controllable, so that the film cannot be perforated, the component proportion of a later package of the film cannot be influenced, good experience can be provided for a user, and the problem of mutual adhesion between the film and the film in the use process is solved.
Description
Technical Field
The invention particularly relates to a production process for solving adhesion between films and a drying device for the films.
Background
The water-soluble films of the present stage can be used for packaging powders, pastes or liquids with a water content of less than 10%, but due to the nature of the water-soluble films, in particular films packaged with laundry-bead-like coatings, the films are relatively sticky in order to give them good elongation. When such a relatively sticky film is used as a package, it is easy to cause "blocking" between two packages, which causes inconvenience in use for consumers.
There are many ways to solve the problem of "blocking", such as mechanically pressing lines on the surface of the film, which can solve the problem of "blocking" well, but due to the design of the embossing roller, the depth of the embossing is difficult to control, and the film is easily damaged. Another solution is to lightly coat a layer of inorganic filler, such as talcum powder, montmorillonite powder, etc., on the surface of the film during production, which also reduces the viscosity of the film to a certain extent, but this way makes both side surfaces of the film adhere with the inorganic filler, which slightly changes the composition of the package, and may have bad effect in some occasions where the inorganic filler is not needed; secondly, after the product is packaged, the powder can be stuck to the hands of a user in the process of touching the product, and the user experience is influenced.
Therefore, the above solutions to "blocking" are not ideal.
Disclosure of Invention
In view of the above, the present invention is to provide a film production process and a drying device for the film, wherein the depth of the texture is controllable, so that the film is not perforated, the component ratio of the package after the film is not affected, and good experience is provided for users, and the problem of mutual adhesion between the film and the film during the use process is solved.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a production process for solving the adhesion between films comprises the following steps:
step 1) preparation of film raw materials: 100 parts of PVA, 700 parts of water, 3-7 parts of plasticizer and 0.8-1.2 parts of surfactant are selected and put into a mixing unit to be heated to 90 ℃ to obtain prepared PVA slurry for later use;
step 2): the heating drying preparation comprises the following specific steps:
a. starting a drying device for film production, enabling the loading steel strip to move under the driving of a driving motor and driving a coating roller to rotate, simultaneously heating the loading steel strip by a heating plate through a heat-conducting roller, controlling the temperature of the loading steel strip to be 70-90 ℃, and keeping the heating temperature of 70-90 ℃ for a long time under the action of a box body for later use;
b. coating slurry on the moving carrying steel strip by the film raw material melt prepared in the step 1) through a feeding roller in the rotating process, then heating the film layer in the moving of the carrying steel strip, wherein when the carrying steel strip is heated to 70-90 ℃, water on the solid-liquid surface between the film and the carrying steel strip generates bubbles, and the generated bubbles cannot be diffused into the film but only adhere to one side of a solid-liquid interface due to the high viscosity of the film; when the film carried steel belt moves around the machine body for heating and drying for one circle, the 'traces' of the bubbles are left on one side of the film contacting with the carried steel belt, meanwhile, the size of the bubbles can be controlled by controlling the heating temperature of the carried steel belt, so that the final depth of the grain traces can be controlled to be below 10um when the carried steel belt is heated to 70 ℃, and can be controlled to be below 15um when the carried steel belt is heated to 90 ℃, thereby avoiding puncturing the film or weakening the mechanical property of the film due to the thinning of the thickness of the film caused by large area;
c. after the film is produced in the specific step b, the film is connected with the winding roller, the film is stripped from the carrying steel strip and wound by the backup winding roller, and the winding rotating speed of the winding roller is equal to the moving speed of the carrying steel strip, so that the phenomenon of perforation caused by the fact that the film is thinned due to pulling is avoided;
step 3), manufacturing a packaging bag: the film prepared in the step 2) is processed into a packaging bag, one surface with the lines is required to face outwards, so that the prepared packaging bag is contacted with each other and cannot be adhered, the use is not influenced, and the surface with the lines can bring good hand feeling to a user when the packaging bag is used.
The utility model provides a drying device for film production, includes the frame, installs the hot plate in the frame, installs at frame one side and the driving motor who is connected with the frame, install in the frame, make frame cooperation hot plate form the box of stoving passageway, and install driving motor one side, and the coiling mechanism who is connected with driving motor, the frame includes the support body, installs the drive roll that is close to driving motor one side at the support body, installs the driven voller on the support body opposite side, winds drive roll and driven voller set up, be used for the year thing steel band of bearing film, install on the support body, and be close to the first combination roll stand of driven voller one side, and set up first combination roll stand one side, and a plurality of second combination roll stand that the equidistance was installed on the support body.
Furthermore, the two ends of the frame body are provided with mounting seats for mounting a driving roller and a driven roller.
Further, the drive roll includes the axle, through the fixed suit of round pin key epaxial roller to and through the fixed suit of round pin key epaxial, and be located the gear of roller both sides, the belt pulley is still installed to the one end of axle.
Further, the structure of the driven roller is consistent with that of the driving roller.
Furthermore, meshing teeth are arranged on two sides of the bottom surface of the carrying steel belt.
Furthermore, the first combined roller frame comprises a first frame body fixed to the frame body in a welded mode, the first combined roller frame is installed, the lower end of the first frame body is used for supporting a carrier roller for carrying a steel belt, the lower end of the first frame body is used for installing a coating roller for applying glue to the steel belt, the carrier roller comprises a roller body and shaft heads welded to the two ends of the roller body and installed with the first frame body through bearings.
Furthermore, the second combined roller frame comprises a second frame body welded and fixed with the frame body, a heat-conducting roller arranged at the lower end of the second frame body and used for supporting and heating a steel strip carrying the object, and a pressing roller arranged at the lower end of the second frame body and used for flattening the sizing layer.
Further, the winding frame comprises a winding support and a winding roller which is arranged on the winding support and connected with the driving motor through a belt.
The technical effects of the invention are mainly reflected in the following aspects: mixing PVA, plasticizer and surfactant by a mixing device, coating the mixture on drying equipment through film raw material melt, drying to form a film, heating a part of a drying tunnel contacting the film in the movement of a carrying steel belt, and generating bubbles to form anti-adhesion grains by the moisture on the solid-liquid surface between the film and the carrying steel belt when the carrying steel belt is heated to a certain temperature; the process can realize that the dense, uniform and controllable grains are processed on the surface of the film, and the depth of the grains is controllable, so that the film cannot be perforated, the component proportion of a later package of the film cannot be influenced, good experience can be provided for a user, and the problem of mutual adhesion between the film and the film in the use process is solved.
Drawings
FIG. 1 is a front view of a drying apparatus for a thin film according to the present invention;
FIG. 2 is a detailed view of the drying apparatus for a thin film according to the present invention;
FIG. 3 is a block diagram of the drive roll of FIG. 2;
FIG. 4 is a partial front view of the carrier strip of FIG. 2;
fig. 5 is a block diagram of the idler of fig. 2;
FIG. 6 is a view of the film obtained by the present invention combining with a drying device after microscopic magnification of 40 times.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
A production process for solving the problem of the previous adhesion of a film is characterized by comprising the following steps:
step 1) preparation of film raw materials: 100 parts of PVA, 700 parts of water, 3-7 parts of plasticizer and 0.8-1.2 parts of surfactant are selected and put into a mixing unit to be heated to 90 ℃ to obtain prepared PVA slurry for later use;
step 2): the heating drying preparation comprises the following specific steps:
a. starting a drying device for film production, so that the loading steel strip 14 moves under the drive of the drive motor 3, and drives the coating roller 153 to rotate, meanwhile, the heating plate 2 heats the loading steel strip 14 through the heat-conducting roller 162, the temperature of the loading steel strip is controlled to be 70-90 ℃, and the heating temperature of 70-90 ℃ is kept for a long time under the action of a box body for standby;
b. coating slurry on the moving carrying steel strip by the film raw material melt prepared in the step 1) through a feeding roller in the rotating process, then heating the film layer in the moving of the carrying steel strip, wherein when the carrying steel strip is heated to 70-90 ℃, water on the solid-liquid surface between the film and the carrying steel strip 14 generates bubbles, and the generated bubbles are not diffused into the film but only attached to one side of a solid-liquid interface due to the high viscosity of the film; when the film carried steel belt moves for one circle around the machine body 1 for heating and drying, the 'traces' of the bubbles are left on one side of the film contacting with the carried steel belt 14, meanwhile, the size of the bubbles can be controlled by controlling the heating temperature of the carried steel belt 14, so as to control the final depth of the grain traces, the depth of the grains can be controlled below 10um when the carried steel belt 14 is heated to 70 ℃, and can be controlled below 15um when the carried steel belt 14 is heated to 90 ℃, thereby avoiding puncturing the film or weakening the mechanical property of the film due to the thinning of the thickness of the film caused by large area;
c. after the film is produced in the specific step b, the film is connected with the winding roller 42, the film is stripped from the carrying steel strip 14 and wound by the backup winding roller 42, and the winding rotating speed of the winding roller 42 is equal to the moving speed of the carrying steel strip 14, so that the phenomenon of perforation caused by thinning of the film due to pulling is avoided;
step 3), manufacturing a packaging bag: the film prepared in the step 2) is processed into a packaging bag, one surface with the lines is required to face outwards, so that the prepared packaging bag is contacted with each other and cannot be adhered, the use is not influenced, and the surface with the lines can bring good hand feeling to a user when the packaging bag is used.
A drying device for film production is shown in figure 1-2, and comprises a frame 1, a heating plate 2 arranged on the frame 1, a driving motor 3 arranged on one side of the frame 1 and connected with the frame 1, a box body 4 arranged on the frame 1 and used for enabling the frame 1 to cooperate with the heating plate 2 to form a drying channel, and a winding device 5 which is arranged at one side of the driving motor 3 and is connected with the driving motor 3, the frame 1 comprises a frame body 11, a driving roller 12 arranged on one side of the frame body 11 close to the driving motor 3, a driven roller 13 arranged on the other side of the frame body 11, a carrying steel belt 14 arranged around the driving roller 12 and the driven roller 13 and used for supporting a film, a first combined roller frame 15 arranged on the frame body 11 and close to one side of the driven roller 13, and a plurality of second combined roller frames 16 which are arranged on one side of the first combined roller frame 15 and are equidistantly arranged on the frame body 11. The frame body 11 is provided at both ends thereof with mounting seats 111 for mounting the driving roller 12 and the driven roller 13. The driven roller 13 has a structure identical to that of the driving roller 12, and is used for supporting and driving the carrying steel belt 14. The first combined roller frame 15 comprises a first frame body 151 fixed to the frame body 11 by welding, a carrier roller 152 installed at the lower end of the first frame body 151 and used for supporting the load carrying steel strip 14, and a coating roller 153 installed at the lower end of the first frame body 151 and used for applying glue to the load carrying steel strip 14. Second combination roller frame 16 includes with support body 11 welded fastening's second support body 161, installs second support body 161 lower extreme, be used for supporting and heating the heat conduction roller 162 who carries thing steel band 14, installation second support body 161 lower extreme, be used for leveling the compression roller 162 of sizing agent layer, rolling frame 5 includes rolling support 51, installs on rolling support 51 and pass through the wind-up roll 52 that the belt is connected with driving motor 3, can the dry gained film of rolling.
As shown in fig. 3, the driving roller 12 includes a shaft 121, a roller 122 fixedly sleeved on the shaft 121 by a pin, and a gear 123 fixedly sleeved on the shaft 121 by a pin and located at two sides of the roller 122, wherein a belt pulley 124 is further installed at one end of the shaft 121, and can be in mesh transmission with the driving motor 3 through a belt.
As shown in fig. 4, the two sides of the bottom surface of the loading steel belt 14 are provided with engaging teeth 141 capable of engaging with the gear 123, so that the loading steel belt 14 can move.
As shown in fig. 5, the idler 152 includes a roller body 1521, and shaft heads 1522 welded to both ends of the roller body 1521 and mounted on the first frame 151 through bearings, and the shaft heads 1522 do not contact with the engaging teeth 141 of the carrying steel belt 14.
In this embodiment, the heat-conducting roller 162 is configured in accordance with the idler roller 152, and is used to support and drive the load-carrying steel belt 14.
Fig. 6 is a microscopic view of the film produced by the production process of the present invention in combination with a drying device, and it can be seen that the diameter of the bubble lines in the width direction of the film is generally controlled below 20um, and in addition, the depth of the bubble lines can be controlled below 10um when the loading steel strip 14 is heated to 70 ℃, and can be controlled below 15um when the loading steel strip 14 is heated to 90 ℃, so as to avoid puncturing the film or weakening the mechanical properties of the film due to the thinning of the film thickness caused by the large area.
The technical effects of the invention are mainly reflected in the following aspects: mixing PVA, plasticizer and surfactant by a mixing device, coating the mixture on drying equipment through film raw material melt, drying to form a film, heating a part of a drying tunnel contacting the film in the movement of a carrying steel belt, and generating bubbles to form anti-adhesion grains by the moisture on the solid-liquid surface between the film and the carrying steel belt when the carrying steel belt is heated to a certain temperature; the process can realize that the dense, uniform and controllable grains are processed on the surface of the film, and the depth of the grains is controllable, so that the film cannot be perforated, the component proportion of a later package of the film cannot be influenced, good experience can be provided for a user, and the problem of mutual adhesion between the film and the film in the use process is solved.
The invention is not limited to the above-described embodiments, but may be modified or varied by those skilled in the art, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. A production process for solving the problem of adhesion between films is characterized by comprising the following steps:
step 1) preparation of film raw materials: 100 parts of PVA, 700 parts of water, 3-7 parts of plasticizer and 0.8-1.2 parts of surfactant are selected and put into a mixing unit to be heated to 90 ℃ to obtain prepared PVA slurry for later use;
step 2): the heating drying preparation comprises the following specific steps:
a. starting a drying device for film production, enabling the loading steel strip to move under the driving of a driving motor and driving a coating roller to rotate, simultaneously heating the loading steel strip by a heating plate through a heat-conducting roller, controlling the temperature of the loading steel strip to be 70-90 ℃, and keeping the heating temperature of 70-90 ℃ for a long time under the action of a box body for later use;
b. coating slurry on the moving carrying steel strip by the film raw material melt prepared in the step 1) through a feeding roller in the rotating process, then heating the film layer in the moving of the carrying steel strip, wherein when the carrying steel strip is heated to 70-90 ℃, water on the solid-liquid surface between the film and the carrying steel strip generates bubbles, and the generated bubbles cannot be diffused into the film but only adhere to one side of a solid-liquid interface due to the high viscosity of the film; when the film carried steel belt moves around the machine body for heating and drying for one circle, the 'traces' of the bubbles are left on one side of the film contacting with the carried steel belt, meanwhile, the size of the bubbles can be controlled by controlling the heating temperature of the carried steel belt, so that the final depth of the grain traces can be controlled to be below 10um when the carried steel belt is heated to 70 ℃, and can be controlled to be below 15um when the carried steel belt is heated to 90 ℃, thereby avoiding puncturing the film or weakening the mechanical property of the film due to the thinning of the thickness of the film caused by large area;
c. after the film is produced in the specific step b, the film is connected with the winding roller, the film is stripped from the carrying steel strip and wound by the backup winding roller, and the winding rotating speed of the winding roller is equal to the moving speed of the carrying steel strip, so that the phenomenon of perforation caused by the fact that the film is thinned due to pulling is avoided;
step 3), manufacturing a packaging bag: the film prepared in the step 2) is processed into a packaging bag, one surface with the lines is required to face outwards, so that the prepared packaging bag is contacted with each other and cannot be adhered, the use is not influenced, and the surface with the lines can bring good hand feeling to a user when the packaging bag is used.
2. The utility model provides a drying device for film production which characterized in that: including the frame, install the hot plate in the frame, install in frame one side, and the driving motor who is connected with the frame, install in the frame, make frame cooperation hot plate form the box of stoving passageway, and install driving motor one side, and the coiling mechanism who is connected with driving motor, the frame includes the support body, installs the drive roll that is close to driving motor one side at the support body, installs the driven voller on the support body opposite side, winds drive roll and driven voller set up, be used for bearing film carry the thing steel band, install on the support body, and be close to the first combination roller frame on one side of the driven voller, and set up first combination roller frame one side, and a plurality of second combination roller frame that the equidistance was installed on the support body.
3. A drying apparatus for film production as set forth in claim 2, wherein: and mounting seats for mounting a driving roller and a driven roller are arranged at two ends of the frame body.
4. A drying apparatus for film production as set forth in claim 2, wherein: the drive roll includes the axle, through the fixed suit of round pin key epaxial roller to and through the fixed suit of round pin key epaxial, and be located the gear of roller both sides, the belt pulley is still installed to the one end of axle.
5. A drying apparatus for film production as set forth in claim 2, wherein: the structure of the driven roller is consistent with that of the driving roller.
6. A drying apparatus for film production as set forth in claim 2, wherein: and meshing teeth are arranged on two sides of the bottom surface of the carrying steel belt.
7. A drying apparatus for film production as set forth in claim 2, wherein: the first combined roller frame comprises a first frame body fixed to the frame body in a welded mode, a carrier roller arranged at the lower end of the first frame body and used for supporting a carrying steel belt, a coating roller arranged at the lower end of the first frame body and used for applying glue to the carrying steel belt, and shaft heads welded to two ends of the roller body and installed with the first frame body through bearings.
8. A drying apparatus for film production as set forth in claim 2, wherein: the second combined roller frame comprises a second frame body welded and fixed with the frame body, a heat-conducting roller installed at the lower end of the second frame body and used for supporting and heating a carrying steel belt, and a pressing roller installed at the lower end of the second frame body and used for flattening the sizing layer.
9. A drying apparatus for film production as set forth in claim 2, wherein: the winding frame comprises a winding support and a winding roller which is arranged on the winding support and is connected with the driving motor through a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048332.2A CN111238199A (en) | 2020-01-16 | 2020-01-16 | Production process for solving adhesion between films and drying device for films |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010048332.2A CN111238199A (en) | 2020-01-16 | 2020-01-16 | Production process for solving adhesion between films and drying device for films |
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| CN111238199A true CN111238199A (en) | 2020-06-05 |
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