CN219968832U - Heat setting mechanism of polybutylene terephthalate release film - Google Patents
Heat setting mechanism of polybutylene terephthalate release film Download PDFInfo
- Publication number
- CN219968832U CN219968832U CN202321031719.2U CN202321031719U CN219968832U CN 219968832 U CN219968832 U CN 219968832U CN 202321031719 U CN202321031719 U CN 202321031719U CN 219968832 U CN219968832 U CN 219968832U
- Authority
- CN
- China
- Prior art keywords
- roller
- release film
- heat treatment
- preheating
- heat
- 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.)
- Active
Links
- 238000009998 heat setting Methods 0.000 title claims abstract description 31
- -1 polybutylene terephthalate Polymers 0.000 title claims abstract description 24
- 229920001707 polybutylene terephthalate Polymers 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 238000004049 embossing Methods 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 abstract description 5
- 238000002425 crystallisation Methods 0.000 abstract description 5
- 230000008025 crystallization Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007731 hot pressing Methods 0.000 abstract description 4
- 238000009749 continuous casting Methods 0.000 abstract description 2
- 238000005098 hot rolling Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The utility model discloses a heat setting mechanism of a polybutylene terephthalate release film, and belongs to the field of auxiliary equipment for film processing. The hot-rolling device comprises a unreeling shaft, a preheating roller assembly, a heat treatment roller assembly, an embossing roller, a cooling roller assembly and a reeling shaft, wherein the unreeling shaft, the preheating roller assembly, the heat treatment roller assembly, the cooling roller assembly and the reeling shaft are sequentially connected, and the preheating roller assembly comprises a first preheating roller and a second preheating roller; the heat treatment roller assembly comprises a first heat treatment roller and a second heat treatment roller, the first heat treatment roller is abutted with the embossing roller, and the cooling roller assembly comprises a first cooling roller and a second cooling roller. The heat setting mechanism can effectively eliminate the internal stress generated in the production process of the release film, further improve the crystallization degree of polybutylene terephthalate, reduce the size expansion and shrinkage of the release film during hot pressing, improve the release performance and finally improve the product quality. The operation is simple, the continuous use can be realized, and the continuous casting machine is convenient to install in a casting machine system.
Description
Technical Field
The utility model relates to a heat setting mechanism for a polybutylene terephthalate release film, and belongs to the field of electronic product processing equipment.
Background
In circuit board and combined material processing field, can relate to a release film, its isolation protection effect has the drawing of patterns nature when hot pressing and encapsulation. The release agent is generally coated with a polyester film, or a TPX release film is used, and the ETFE film is used at the higher end.
The polyester film coating release agent has the problem that the release agent is remained or transferred to the product, so that secondary processing is affected; the TPX release film is produced by a hot-melt casting extrusion processing mode, but the TPX particles and the ETFE film have higher cost. In addition, the prior art has the problems that stress cannot be released and the crystallization degree is insufficient in the production of the release film, and the product quality is affected.
Disclosure of Invention
The utility model provides a heat setting mechanism for a three-layer polybutylene terephthalate composite release film produced by tape casting, which can effectively solve the performance deficiencies of crystallization, size expansion and shrinkage and the like.
The heat setting mechanism adopts the following technical scheme:
a heat setting mechanism for a polybutylene terephthalate release film, comprising: the device comprises a unreeling shaft, a preheating roller assembly, a heat treatment roller assembly, an embossing roller, a cooling roller assembly and a reeling shaft, wherein the unreeling shaft, the preheating roller assembly, the heat treatment roller assembly, the cooling roller assembly and the reeling shaft are sequentially connected, and the preheating roller assembly comprises a first preheating roller and a second preheating roller; the heat treatment roller assembly comprises a first heat treatment roller and a second heat treatment roller, the first heat treatment roller is abutted with the embossing roller, and the cooling roller assembly comprises a first cooling roller and a second cooling roller.
Further, a first guide wheel is arranged between the unreeling shaft and the first preheating roller; and a second guide wheel is arranged between the second cooling roller and the winding shaft.
Further, the first guide wheel and the second guide wheel are chrome-plated metal rollers.
Further, the unreeling shaft and the reeling shaft are inflatable shafts.
Further, the first preheating roller and the second preheating roller are mirror metal rollers.
Further, the diameters of the first preheating roller and the second preheating roller are 500mm-800mm.
Further, the first heat treatment roller and the second heat treatment roller are metal rollers with frosted surfaces.
Further, the embossing roller is a metal roller with patterns or roughness on the surface.
Further, the embossing roller has a diameter of 100-300mm.
Further, the first cooling roller and the second cooling roller are mirror metal rollers, and the surfaces of the first cooling roller and the second cooling roller are plated with chromium.
Advantageous effects
The heat setting mechanism of the polybutylene terephthalate release film can effectively eliminate the internal stress generated in the production process of the release film, further improve the crystallization degree of the polybutylene terephthalate, reduce the size expansion and contraction of the release film during hot pressing, improve the release performance and finally improve the product quality. The heat setting mechanism is simple and convenient to operate, can be continuously used, and is convenient to install in a casting machine system or is independently used as heat setting equipment.
Drawings
FIG. 1 is a schematic structural view of a heat setting mechanism of a polybutylene terephthalate release film of the utility model;
reference numerals: 1. the winding shaft, 2, the first guide wheel, 3, the first preheating roller, 4, the second preheating roller, 5, the first heat treatment roller, 6, the embossing roller, 7, the second heat treatment roller, 8, the first cooling roller, 9, the second cooling roller, 10, the second guide wheel, 11, the winding shaft.
Detailed Description
Example 1
A heat setting mechanism for a polybutylene terephthalate release film, comprising: the unwinding shaft 1, the preheating roller assembly, the heat treatment roller assembly, the embossing roller, the cooling roller assembly and the winding shaft are sequentially connected, and the whole mechanism can be fixed on casting machine equipment through a bracket or can be placed as single heat treatment equipment. The preheating roller assembly comprises a first preheating roller 3 and a second preheating roller 4, and the two preheating rollers are heated in sequence, so that the release film can be preheated gradually; the heat treatment roller assembly comprises a first heat treatment roller 5 and a second heat treatment roller 7, the first heat treatment roller 5 is abutted against the embossing roller 6, the first heat treatment roller 5 and the embossing roller 6 enable the release film to be subjected to heat treatment, heat setting is carried out, internal stress is eliminated, patterns with different roughness are transferred onto the release film during heat setting, and fine patterns are pressed on the surface of the film; and then the internal stress of the film is released through a second heat treatment roller 7, so that the release film is leveled. The cooling roller assembly comprises a first cooling roller 8 and a second cooling roller 9, and the two cooling rollers can gradually cool the release film and cool the film to be finally shaped.
A first guide wheel 2 is arranged between the unreeling shaft 1 and the first preheating roller assembly, and the first guide wheel 2 sends the release film into the preheating roller assembly at a wrap angle as large as possible; a second guide wheel 10 is arranged between the second cooling roller and the winding shaft, and the second guide wheel is used for adjusting the winding angle and sending the release film into the winding shaft.
The unreeling shaft 1 is used for unreeling polybutylene terephthalate release films, the release films are fed into the preheating roller 3 by the first guide wheel 2 at a wrap angle as large as possible, the release films are gradually heated by the first preheating roller 3 and the second preheating roller 4 and then enter the first heat treatment roller 5 and the embossing roller 6, fine patterns are pressed on the surfaces of the release films by the high-temperature heat treatment and the films, and the embossing roller 6 has different pattern shapes, so that different requirements can be met.
After embossing, the release film is sent to a second heat treatment roller 7, and the internal stress of the film is released, so that the release film is leveled. Then the film is gradually cooled by a first cooling roller 8 and a second cooling roller 9, so that the film is finally shaped. And the release film passes through a guide roller 10 to a winding shaft 11, and the release film after heat treatment is wound.
The unreeling shaft 1 is a 3-inch or 6-inch air expansion shaft, the first guide wheel 2 is a chromium plating metal roller and can rotate freely, the first preheating roller 3 and the second preheating roller 4 are mirror metal rollers, heat conduction oil is introduced into the interior of the first preheating roller and used for heating, the diameter of the roller is 500mm-800mm, the highest heating temperature of the heat conduction oil can reach 150 ℃, and the two preheating rollers are provided with independent temperature control equipment and can be respectively provided with different oil temperatures.
The first heat treatment roller 5 and the second heat treatment roller 7 are metal rollers with frosted surfaces, and the metal rollers with frosted surfaces are formed by sand blasting and plating a layer of metal chromium on the surfaces. The heat transfer oil is introduced into the first heat treatment roller 5 and the second heat treatment roller 7, the highest heating temperature of the heat transfer oil can reach 200 ℃, the diameter of the roller is 500-800mm, and the heat treatment roller with the largest diameter is preferable, so that the release film can be heated uniformly as much as possible, and the production efficiency can be higher.
The embossing roller 6 matched with the first heat treatment roller 5 is a metal roller with patterns or roughness on the surface, heat conduction oil is introduced into the embossing roller, different oil temperatures can be set according to conditions, and the highest heating temperature of the heat conduction oil is 200 ℃. The embossing roller has a diameter of 100-300mm, and the surface pattern or roughness is processed by laser engraving or microetching.
The first cooling roller 8 and the second cooling roller 9 are mirror metal rollers, the surfaces of the first cooling roller and the second cooling roller are plated with metal chromium, cooling water is introduced into the first cooling roller to cool the first cooling roller, the diameter of the roller is 500-800mm, the heat-treated release film is further cooled, internal residual heat is eliminated, and the winding material with waste heat is prevented from forming moire due to uneven heat after being wound.
The second guide wheel 10 is a free-rotating chromium plating metal roller, the winding shaft 11 is a 3-inch or 6-inch air expansion shaft, the winding direction of the winding shaft can be regulated and controlled, and the winding shaft can rotate positively or negatively.
The heat setting mechanism of the polybutylene terephthalate release film can effectively eliminate the internal stress generated in the production process of the release film, further improve the crystallization degree of the polybutylene terephthalate, reduce the size expansion and contraction of the release film during hot pressing, improve the release performance and finally improve the product quality. And the operation is simple, the continuous use can be realized, and the continuous casting machine is convenient to install in a casting machine system or is independently used as heat setting equipment.
The utility model relates to a heat setting mechanism of a polybutylene terephthalate release film, which mainly comprises 7 rollers, wherein 2 rollers are a preheating roller, 2 heat treatment rollers, 1 embossing roller and 2 cooling rollers. Wherein the preheating roller is sequentially heated to gradually heat the release film; performing heat setting and eliminating internal stress, and transferring patterns with different roughness onto the release film by the embossing roller during heat setting; the cooling roller gradually cools the hot release film, and finally the whole shaping process is completed.
Example 2
The use of the heat setting mechanism comprises the following steps:
a1, placing a three-layer co-extrusion polybutylene terephthalate release film waiting for heat setting treatment on a unreeling shaft (1); selecting pattern types required by customers, and replacing the embossing roller (6);
a2, finishing film penetrating of the to-be-treated release film according to the schematic drawing, and heating each roller according to preset temperature requirements;
a3, waiting for the temperature surface of the roller to reach the temperature, starting the whole heat treatment equipment, and enabling the whole heat treatment equipment to operate at a linear speed of 5-10 m/min;
a4, the release film sequentially passes through two preheating rollers, enters an embossing roller and a heat setting roller, and is cooled gradually.
And A5, cooling the release film, completing the whole treatment process, and finally rolling.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that several modifications and equivalents may be made without departing from the principles of the utility model, and such modifications and equivalents should also be considered to be within the scope of the utility model.
Claims (10)
1. A heat setting mechanism of polybutylene terephthalate release film, which is characterized by comprising: the device comprises a unreeling shaft, a preheating roller assembly, a heat treatment roller assembly, an embossing roller, a cooling roller assembly and a reeling shaft, wherein the unreeling shaft, the preheating roller assembly, the heat treatment roller assembly, the cooling roller assembly and the reeling shaft are sequentially connected, and the preheating roller assembly comprises a first preheating roller and a second preheating roller; the heat treatment roller assembly comprises a first heat treatment roller and a second heat treatment roller, the first heat treatment roller is abutted with the embossing roller, and the cooling roller assembly comprises a first cooling roller and a second cooling roller.
2. The heat setting mechanism of a polybutylene terephthalate release film according to claim 1, wherein a first guide wheel is arranged between the unreeling shaft and the first preheating roller; and a second guide wheel is arranged between the second cooling roller and the winding shaft.
3. The mechanism of claim 2, wherein the first and second guide wheels are chrome plated metal rollers.
4. The mechanism of claim 1, wherein the unwind shaft and the take-up shaft are inflatable shafts.
5. The mechanism for heat-setting a polybutylene terephthalate release film according to claim 1, wherein the first preheating roller and the second preheating roller are mirror metal rollers.
6. The mechanism for heat-setting a polybutylene terephthalate release film according to claim 1, wherein the diameters of the first preheating roller and the second preheating roller are 500mm to 800mm.
7. The mechanism for heat-setting a polybutylene terephthalate release film according to claim 1, wherein the first heat-treating roller and the second heat-treating roller are metal rollers with frosted surfaces.
8. The mechanism for heat-setting a polybutylene terephthalate release film according to claim 1, wherein the embossing roller is a metal roller having a pattern or roughness on the surface.
9. The mechanism for heat setting a polybutylene terephthalate release film according to claim 1, wherein the embossing roll has a diameter of 100 to 300mm.
10. The mechanism for heat-setting a polybutylene terephthalate release film according to claim 1, wherein the first cooling roller and the second cooling roller are mirror metal rollers, and the surfaces of the first cooling roller and the second cooling roller are plated with chromium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321031719.2U CN219968832U (en) | 2023-05-04 | 2023-05-04 | Heat setting mechanism of polybutylene terephthalate release film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321031719.2U CN219968832U (en) | 2023-05-04 | 2023-05-04 | Heat setting mechanism of polybutylene terephthalate release film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219968832U true CN219968832U (en) | 2023-11-07 |
Family
ID=88590689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321031719.2U Active CN219968832U (en) | 2023-05-04 | 2023-05-04 | Heat setting mechanism of polybutylene terephthalate release film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219968832U (en) |
-
2023
- 2023-05-04 CN CN202321031719.2U patent/CN219968832U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101400811B1 (en) | Intermittent film forming system and intermittent film forming method | |
| TWI495556B (en) | Method and apparatus for producing film having fine uneven pattern surface | |
| CN104943324B (en) | Compound machine for manufacturing hot melting sticky wall cloth | |
| JP4135768B2 (en) | Intermittent film forming apparatus and method | |
| TWI700173B (en) | Manufacturing method and manufacturing device of surface structure film | |
| CA2217349C (en) | Method and apparatus for coating a metal strip and the product thereof | |
| JP7338042B2 (en) | Gravure coating apparatus and method for preparing very thin metallic lithium strips | |
| EP2642022B1 (en) | Dry-process artifical leather manufacturing machine | |
| CN219968832U (en) | Heat setting mechanism of polybutylene terephthalate release film | |
| CN111361322A (en) | Production method for producing high-precision chromatography thermoprinting tipping paper on line | |
| KR20080012772A (en) | Production line and method for manufacturing a magnesium strip | |
| JPH08134645A (en) | Vacuum treating device for plastic film | |
| JP4240444B2 (en) | Film embossing material and manufacturing method thereof | |
| JP4165723B2 (en) | Hot rolling method and equipment | |
| CN201056077Y (en) | Two-sided pad pasting equipment for metal sheet | |
| CN111497430B (en) | Multi-roller continuous high-speed transfer machine | |
| JP2663090B2 (en) | Metal strip frame processing apparatus and processing method | |
| CN216511918U (en) | A rolling equipment for synthetic leather is from type paper | |
| JP6085193B2 (en) | Microstructure film manufacturing method and manufacturing apparatus | |
| CN215430016U (en) | On-line coating machine strippable is from type membrane recycle device | |
| JP2004314358A (en) | Method for heating and pressing product to be processed by double belt machine and the double belt machine | |
| CN212708499U (en) | Multi-roller continuous high-speed transfer machine | |
| JP4929008B2 (en) | Intermittent film forming method and forming apparatus for long film surface | |
| JP3274712B2 (en) | Aluminum strip degreasing apparatus and manufacturing method | |
| CN111532017A (en) | Multi-roller continuous high-speed transfer machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |