CN201745120U - Device for heating prepreg - Google Patents
Device for heating prepreg Download PDFInfo
- Publication number
- CN201745120U CN201745120U CN2010202945116U CN201020294511U CN201745120U CN 201745120 U CN201745120 U CN 201745120U CN 2010202945116 U CN2010202945116 U CN 2010202945116U CN 201020294511 U CN201020294511 U CN 201020294511U CN 201745120 U CN201745120 U CN 201745120U
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- heating
- prepreg
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- microwave
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Abstract
The utility model provides a device for heating a prepreg, which comprises at least one group of baking boxes vertically arranged. Each group of baking boxes comprises two heating box bodies which are arranged in parallel and have opposite openings, and microwave generators arranged on the heating box bodies; the microwave generators are connected with the heating box bodies by a transmission line; and a gap, through which the prepreg passes, is formed between the two heating box bodies. The device for heating the prepreg heats the prepreg uniformly by a microwave heating way in the heating and baking processes; the air bubbles or the volatile components in the inner layer of the prepreg resin are favorably overflowed; the resin has better appearance; and the performances of the resin such as gelation time, viscosity and the like have favorable consistency. The resin has good uniformity in terms of pressure plate gummosis, uniform thickness and small warpage.
Description
Technical field
The utility model relates to a kind of heater, relates in particular to a kind of device that is used for the prepreg heating.
Background technology
Prepreg is the semi-finished product that are applied to copper-clad plate and multilayer printed circuit board in the present industry, and its main composition is by reinforcing material, comprises glass fabric, nonwoven or wood pulp paper etc., forms through hybrid resin dipping and oven dry.
Prepreg (prepreg) preparation method generally all is first with the glass fabric impregnating resin solution at present, passes through hot blast or deep fat radiation heating then in baking oven, thereby makes the resin system semi-solid preparation, finally makes the prepreg that resin is in the B rank.When resin thickness was thicker, it is particularly remarkable that the semi-solid preparation degree varies of top layer and nexine resin causes situation, tends to influence the performances such as warpage of following process and sheet material usually for the prepreg that this conventional method is made.
The utility model content
The purpose of this utility model is, a kind of device that is used for prepreg heating is provided, and the mode by heating using microwave heats and makes prepreg, thereby makes the semi-solid preparation index unanimity of the about resin bed of prepreg, be convenient to pressing plate control, thereby improved the warpage properties of copper-clad plate.
To achieve these goals, the utility model provides a kind of device that is used for the prepreg heating, comprise at least one group of baking oven of vertically arranging, every group of baking oven includes two and be arranged in parallel and with the relative heating casing of its opening and be located at microwave generator on the heating casing, this microwave generator is connected with the heating casing by transmission line, is formed with the gap of passing for prepreg between the two heating casings.
Described microwave generator is the generator of magnetron or based semiconductor, and its microwave heating temperature is 100～200 ℃.
Described transmission line is coaxial line or waveguide.
Described baking oven lower end also is provided with at least one group of packaged air conditioner that is arranged parallel to each other, and every group of packaged air conditioner includes two wind box that are oppositely arranged with its air outlet.
Described baking oven also comprises and covers at the external housing of two heating cabinets, on this housing relatively the both sides correspondence be provided with import and outlet, the gaps in this import and export and the housing between the relative two heating casings form communication passage that supply the prepreg process.
Described housing adopts metal material to make.
The beneficial effects of the utility model: the device that is used for the prepreg heating of the present utility model, mode by heating using microwave makes in the prepreg heating, drying process and is heated evenly, more help overflowing of prepreg resin nexine bubble or fugitive constituent, the resin outward appearance is better, and performances such as its gelation time, viscosity refer to that uniformity is good, good uniformity aspect the pressing plate gummosis, and thickness is even, thermal stress is low, and angularity is little.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effect apparent by the specific embodiment of the present utility model is described in detail.
In the accompanying drawing,
Fig. 1 is used for the structural representation of the device of prepreg heating for the utility model.
The specific embodiment
For further setting forth technological means and the effect thereof that the utility model is taked, be described in detail below in conjunction with preferred embodiment of the present utility model.
As shown in Figure 1, the device that is used for the prepreg heating of the present utility model, it comprises at least one group of baking oven of vertically arranging, every group of baking oven includes two and be arranged in parallel and with the relative heating casing 2 of its opening, and be located at the microwave generator 20 of heating on the casing 2, this microwave generator 20 is connected with heating casing 2 by transmission line (not shown), with the microwave transmission of microwave generator 20 generations to heating casing 2.Be formed with the gap of passing for prepreg 10 between the two heating casings 2, when prepreg 10 passed, its both sides were carried out heating, drying from the microwave of heating casing 2 to it.Described microwave generator 20 can adopt the generator of magnetron or based semiconductor, and its microwave heating temperature can accurately be controlled between 100～200 ℃, can obtain the better prepreg of oven-dried condition by the adjusting to microwave heating temperature.Described transmission line is coaxial line or waveguide.Described baking oven also comprises and covers at the external housing (not shown) of two heating cabinets 2, relative both sides correspondence is provided with import and outlet on this housing, and this import and export forms the communication passage for prepreg 10 processes with the gaps that housing interior relative two heats between the casings 2.Described housing adopts metal material to make, and can be stainless steel or iron sheet etc.The microwaves that the setting of this housing can prevent to heat in the casing 2 radiate, in order to avoid influence operating personnel's etc. health.
Described baking oven lower end also can be provided with at least one group of packaged air conditioner that is arranged parallel to each other, and every group of packaged air conditioner includes two wind box 4 that are oppositely arranged with its air outlet.The setting of this packaged air conditioner can be cooled off the prepreg 10 by baking oven, and the phenomenon of roll banding takes place when avoiding in prepreg 10 subsequent handlings through running roller, can keep the apparent speed of a motor vehicle that improves preferable time of prepreg 10.Described wind box 4 can be the wind box of prior art, comprises air inlet, air outlet and air pump etc.
When the utility model is used for the heated baking prepreg, prepreg 10 behind gluing machine dipping glue passes from the gap between two heating casings 2 of every group of baking oven, the microwave of microwave generator 20 generations around here is in transmission line is sent to heating casing 2, through the heating after again from the heating casing 2 opening irradiation (the microwave irradiation direction is shown in arrow A Fig. 1) to prepreg 10 therebetween, microwave can be irradiated to the nexine of prepreg 10 resin beds, thereby prepreg 10 is heated evenly, and the prepreg 10 behind the heating, drying is apparent preferable.And prepreg 10 also can cool off by the packaged air conditioner that further is provided with, during cooling, the cold wind of wind box 4 is discharged from its opening and is blowed to (the cold wind direction is shown in arrow B Fig. 1) on the prepreg 10, thereby can reduce the surface temperature of prepreg 10, occur the phenomenon of roll banding in the time of can avoiding prepreg 10 subsequent handlings through running roller like this.
At the prepreg that the device heated baking that is used for the prepreg heating of the present utility model comes out, survey performances such as its peel strength, hear resistance, angularity, further be described and describe as following embodiment.
Embodiment 1: high Tg system prepreg, model 7628
Earlier use the high Tg resin composition, on gluing machine,, send to then in 150～190 ℃ of microwave oven and toasted 5～8 minutes, high Tg system 7628 prepregs that can obtain 7628 glass fabrics dipping.Scrape the resin-oatmeal of getting above-mentioned 7628 prepregs respectively, test gelation time and melting viscosity then; Use above-mentioned 8 7628 prepregs and 1OZ Copper Foil lamination, lamination pressing plate in addition, test peel strength, hear resistance, angularity and thickness evenness then.
Embodiment 2: high Tg system prepreg, model 2116
Earlier use the high Tg resin composition, on gluing machine,, send to then in 150～190 ℃ of microwave oven and toasted 4～6 minutes, high Tg system 2116 prepregs that can obtain 2116 glass fabrics dipping.Scrape the resin-oatmeal of getting above-mentioned 2116 prepregs respectively, test gelation time and melting viscosity then; Use above-mentioned 4 2116 prepregs and 1OZ Copper Foil lamination, lamination pressing plate in addition, test peel strength, hear resistance, angularity then.
Embodiment 3: high Tg system prepreg, model 1080
Earlier use the high Tg resin composition, on gluing machine,, send to then in 150～190 ℃ of microwave oven and toasted 3～5 minutes, high Tg system 1080 prepregs that can obtain 1080 glass fabrics dipping.Scrape the resin-oatmeal of getting above-mentioned 1080 prepregs respectively, test gelation time and melting viscosity then; Use above-mentioned 4 1080 prepregs and 1OZ Copper Foil lamination, lamination pressing plate in addition, test peel strength, hear resistance, angularity then.
Comparative example 1: high Tg system prepreg, model 7628
Earlier use the high Tg resin composition, on gluing machine,, send to then in 150～190 ℃ of hot-air ovens and toasted 5～8 minutes, high Tg system 7628 prepregs that can obtain 7628 glass fabrics dipping.Scrape the resin-oatmeal of getting above-mentioned 7628 prepregs respectively, test gelation time and melting viscosity then; Use above-mentioned 8 7628 prepregs and 1OZ Copper Foil lamination, lamination pressing plate in addition, test peel strength, hear resistance, angularity then.
Comparative example 2: high Tg system prepreg, model 2116
Earlier use the high Tg resin composition, on gluing machine,, send to then in 150～190 ℃ of deep fat radiation heating baking ovens and toasted 4～6 minutes, high Tg system 2116 prepregs that can obtain 2116 glass fabrics dipping.Scrape the resin-oatmeal of getting above-mentioned 2116 prepregs respectively, test gelation time and melting viscosity then; Use above-mentioned 4 2116 prepregs and 1OZ Copper Foil lamination, lamination pressing plate in addition, test peel strength, hear resistance, angularity then.
The performance test of the foregoing description 1-3 and comparative example 1-2 is compared as follows table 1:
Table 1 performance test list
By the test performance result of last table embodiment 1-3 and comparative example 1-2 as can be known, the prepreg made from respect to the conventional method of comparative example 1-2, embodiment 1-3 uses prepreg resin nexine and the outer field gelation time and the melt viscosity index homogeneous of the utility model device heating using microwave, pressing plate is functional, especially can effectively improve the warpage properties and the thickness evenness of sheet material.
In sum, the device that is used for the prepreg heating of the present utility model, mode by heating using microwave makes in the prepreg heating, drying process and is heated evenly, more help overflowing of prepreg resin nexine bubble or fugitive constituent, the resin outward appearance is better, and performance such as its gelation time, viscosity refers to that uniformity is good, good uniformity aspect the pressing plate gummosis, thickness is even, and thermal stress is low, and angularity is little.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model claim.
Claims (6)
1. one kind is used for the device that prepreg heats, it is characterized in that, comprise at least one group of baking oven of vertically arranging, every group of baking oven includes two and be arranged in parallel and with the relative heating casing of its opening and be located at microwave generator on the heating casing, this microwave generator is connected with the heating casing by transmission line, is formed with the gap of passing for prepreg between the two heating casings.
2. the device that is used for the prepreg heating as claimed in claim 1 is characterized in that described microwave generator is the generator of magnetron or based semiconductor, and its microwave heating temperature is 100～200 ℃.
3. the device that is used for the prepreg heating as claimed in claim 1 is characterized in that described transmission line is coaxial line or waveguide.
4. the device that is used for the prepreg heating as claimed in claim 1 is characterized in that described baking oven lower end also is provided with at least one group of packaged air conditioner that is arranged parallel to each other, and every group of packaged air conditioner includes two wind box that are oppositely arranged with its air outlet.
5. the device that is used for the prepreg heating as claimed in claim 1, it is characterized in that, described baking oven also comprises and covers at the external housing of two heating cabinets, relative both sides correspondence is provided with import and outlet on this housing, and this import and export forms the communication passage for the prepreg process with the gaps that housing interior relative two heats between the casings.
6. the device that is used for the prepreg heating as claimed in claim 1 is characterized in that, described housing adopts metal material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202945116U CN201745120U (en) | 2010-08-17 | 2010-08-17 | Device for heating prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202945116U CN201745120U (en) | 2010-08-17 | 2010-08-17 | Device for heating prepreg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201745120U true CN201745120U (en) | 2011-02-16 |
Family
ID=43579793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202945116U Expired - Lifetime CN201745120U (en) | 2010-08-17 | 2010-08-17 | Device for heating prepreg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201745120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771260A (en) * | 2017-06-20 | 2020-02-07 | 豪迈股份公司 | Method and device for thermally activating functional layers of a coating material |
| US11491685B2 (en) * | 2018-08-22 | 2022-11-08 | Toray Industries, Inc. | Production method for prepreg, prepreg tape, and fiber reinforced composite material, and prepreg production device |
-
2010
- 2010-08-17 CN CN2010202945116U patent/CN201745120U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771260A (en) * | 2017-06-20 | 2020-02-07 | 豪迈股份公司 | Method and device for thermally activating functional layers of a coating material |
| US11491685B2 (en) * | 2018-08-22 | 2022-11-08 | Toray Industries, Inc. | Production method for prepreg, prepreg tape, and fiber reinforced composite material, and prepreg production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |