CN113619161A - Four-film prepreg production line and production process thereof - Google Patents
Four-film prepreg production line and production process thereof Download PDFInfo
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- CN113619161A CN113619161A CN202110926484.2A CN202110926484A CN113619161A CN 113619161 A CN113619161 A CN 113619161A CN 202110926484 A CN202110926484 A CN 202110926484A CN 113619161 A CN113619161 A CN 113619161A
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/528—Heating or cooling
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- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The application discloses four membrane prepreg production lines include: the yarn spreading device, the double-film prepreg forming device, the four-film prepreg forming device and the finished product winding device are sequentially arranged along the conveying direction of the reinforcing material. The four-film prepreg production process comprises the following steps: selecting a reinforcing material, molding a double-film prepreg, molding a four-film prepreg, and cooling and rolling the four-film prepreg. The prepreg produced by the production line and the production process has higher rigidity, is cut without sticking a knife, and can meet the requirement of a subsequent cutting process.
Description
Technical Field
The invention relates to the technical field of prepreg production equipment and prepreg production processes, in particular to a four-film prepreg production line and a production process thereof.
Background
Prepreg is a composition of a resin matrix and reinforcement made by impregnating continuous fibers or fabrics with the resin matrix under strictly controlled conditions. The prepreg is classified into a thermosetting resin prepreg and a thermoplastic resin prepreg according to the difference of resin matrixes, and classified into a carbon fiber (fabric) prepreg, a glass fiber (fabric) prepreg and an aramid fiber (fabric) prepreg according to the difference of reinforcing materials. The film rolling method is one of the preparation methods of prepreg, and is characterized by that firstly, the molten resin is uniformly coated on the impregnated paper on the film-making machine to make film, then said film is superimposed with fibre or fabric, and undergone the process of high-temp. treatment, in order to ensure the stability of resin content of prepreg, the resin film and fibre bundle (fabric) are superimposed in the form of "sandwich" structure, then the resin is molten and embedded into the fibre (fabric) at high-temp. so as to form the prepreg. The prepreg of the existing resin matrix-reinforcing material-resin matrix structure has low viscosity and high viscosity at normal temperature, is easy to stick a knife during slitting, cannot meet the requirements of a subsequent slitting process, and influences the quality of the prepreg.
Disclosure of Invention
The invention aims to provide a four-film prepreg production line, and aims to provide a four-film prepreg production process for producing a slitting non-stick knife, meeting the requirements of a subsequent slitting process and achieving high-quality prepregs.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a four-film prepreg production line comprising: the yarn spreading device, the double-film prepreg forming device, the four-film prepreg forming device and the finished product winding device are sequentially arranged along the conveying direction of the reinforcing material. The yarn spreading device spreads the yarns of the reinforcing materials and conveys the reinforcing materials to a double-film prepreg forming device, the double-film prepreg forming device respectively presses and soaks one layer of resin film on the upper surface and the lower surface of the reinforcing materials to form double-film prepregs, the double-film prepregs are conveyed to a four-film prepreg forming device, the four-film prepreg forming device respectively presses and presses one layer of resin film on the upper surface and the lower surface of the double-film prepregs to form four-film prepregs, and the four-film prepregs are conveyed to a finished product winding device; and the finished product winding device winds the four-film prepreg.
Furthermore, the yarn unfolding device comprises a creel and a woven cloth sending device, wherein the creel is arranged at the front end of the yarn unfolding device, the reinforcing material is fibers or woven cloth, the creel is used for installing the fibers, and the woven cloth sending device is used for installing the woven cloth.
Further, the two-film prepreg forming apparatus includes: the double-film forming machine comprises a double-film forming rack, a first front pressing mechanism, a first heating device, a first rear pressing mechanism and a first cooling device which are sequentially arranged on the double-film forming rack, a first upper resin film unreeling device and a first upper PE film reeling device which are arranged above the first front pressing mechanism, and a first lower resin film unreeling device and a first lower PE film reeling device which are arranged below the first front pressing mechanism. The first upper resin film unwinding device and the first lower resin film unwinding device are used for installing resin films, and each resin film comprises a resin layer, and a PE film and release paper which are respectively coated on the upper surface and the lower surface of the resin layer; the first upper PE film winding device and the first lower PE film winding device are used for peeling the PE film on the resin film; the resin layer with the release paper on the upper surface and the lower surface of the reinforced material is sequentially molded into the double-film prepreg through the first front pressing mechanism, the first heating device, the first rear pressing mechanism and the first cooling device.
Further, the four-film prepreg forming apparatus includes: the film forming machine comprises a four-film forming machine frame, a traction roller, a first hot pressing roller, a cooling roller, a second hot pressing roller, a second front pressing mechanism, a second heating device, a second rear pressing mechanism and a second cooling device which are sequentially arranged on the four-film forming machine frame, a second upper release paper winding device, a second upper PE film winding device and a second upper resin film unwinding device which are arranged on the second above the first hot pressing roller, and a second lower release paper winding device, a second lower PE film winding device and a second lower resin film unwinding device which are arranged below the second hot pressing roller. The traction roller is used for conveying the double-film prepreg, the second upper release paper winding device is used for stripping and winding release paper on the upper surface of the double-film prepreg, and the second lower release paper winding device is used for stripping and winding release paper on the lower surface of the double-film prepreg; the second upper resin film unwinding device and the second lower resin film unwinding device are used for installing the resin films, and the second upper PE film winding device and the second lower PE film winding device are used for peeling the PE films on the resin films. And after the release paper is peeled from the upper surface of the double-film prepreg, the upper surface and the resin film are pressed and impregnated at the first hot pressing roller, the double-film prepreg is cooled by the cooling roller, and after the release paper on the lower surface is peeled, the lower surface and the resin film are pressed and impregnated at the second hot pressing roller to form the four-film prepreg.
Further, the finished product winding device comprises a guide roller, a preheating plate and a pressing mechanism, a third release paper winding device and a PE film unwinding device are arranged above the pressing mechanism, the preheating plate heats four-film prepreg passing through the guide roller, the third release paper winding device is used for peeling release paper on the upper surface of the four-film prepreg, the PE film unwinding device is used for installing a PE film and unwinding the PE film to the upper surface of the four-film prepreg peeled from the release paper, and the pressing mechanism presses the four-film prepreg and the PE film.
Furthermore, an X-ray weight measuring instrument is arranged between the guide roller and the preheating plate, and a prepreg cutting device is arranged at the rear end of the pressing mechanism.
Further, the first front pressing mechanism and the first rear pressing mechanism of the double-film prepreg forming device, or the second front pressing mechanism and the second rear pressing mechanism of the four-film prepreg forming device, respectively comprise at least one group of pressing roller set, the pressing roller set comprises mounting plates and a lifter which are arranged on two sides of the double-film forming rack or the four-film forming rack, an upper pressing roller which is rotatably connected between the two mounting plates, and a lower pressing roller which is parallel to the upper pressing roller; hot fluid or heating wires are filled in the upper pressing roller and the lower pressing roller; the lower pressing roller is fixed on the double-film forming rack or the four-film forming rack through a bearing seat and is driven to rotate by a driving motor; the elevator comprises: the lifting cylinder, the lead screw with the piston rod fixed connection of lifting cylinder, install the worm gear speed reducer on the lead screw, the cylinder bottom pin joint of lifting cylinder is in two membrane forming machine frame or four membrane forming machine frame, the one end pin joint of mounting panel is in two membrane forming machine frame or four membrane forming machine frame, the other end pin joint is on the worm gear speed reducer, the lift drives the mounting panel and rotates along the one end of mounting panel, and then drives the laminating roller and reciprocate, go up through connecting rod and coupling joint between the input shaft of the worm gear speed reducer at laminating roller both ends, and by same motor drive.
Further, resin film cooling rollers are provided above and below the first front pressing mechanism or the second front pressing mechanism, and the resin film cooling rollers are used for cooling the resin film passing through the resin film cooling rollers so as to peel off the PE film on the surface of the resin film.
A four-film prepreg production process comprises the following steps:
s1, selecting a reinforcing material, wherein the reinforcing material is continuous fiber or woven cloth; when the reinforcing material is continuous fiber, the continuous fiber is subjected to yarn spreading treatment.
S2, forming the double-film prepreg, namely covering a layer of resin film on each of the upper surface and the lower surface of the reinforced material, and performing lamination impregnation on the reinforced material and the resin film for a plurality of times at the temperature of 80-110 ℃ to form the double-film prepreg with the reinforced material and the resin film laminated on each of the upper surface and the lower surface of the reinforced material.
S3, forming a four-film prepreg, namely covering a layer of resin film on each of the upper surface and the lower surface of the double-film prepreg, and performing lamination impregnation on the double-film prepreg and the resin film for a plurality of times at the temperature of 70-110 ℃ to form the four-film prepreg with a layer of resin film laminated on each of the upper surface and the lower surface of the double-film prepreg.
And S4, cooling and rolling the four-film prepreg.
Further, in step S1, the reinforcing material is preheated and then subjected to step S2, where the preheating temperature is 60 to 100 ℃.
Further, the resin film includes a resin layer, and a PE film and a release paper respectively laminated on upper and lower surfaces of the resin layer, and the step S2 includes the steps of:
a. covering the resin film with the PE film peeled off on the upper and lower surfaces of the reinforcing material, carrying out preliminary heating and pressing to ensure that the viscosity of the resin layer is v, v is more than or equal to 5000mPa.s and less than or equal to 50000mPa.s, and preliminarily impregnating the reinforcing material in the resin layer.
b. And c, heating the reinforcing material and the resin layer in the step a at the heating temperature of 100-110 ℃ so that the resin can permeate the reinforcing material.
c. And c, further heating and pressing the reinforced material and the resin layer obtained in the step b at the heating temperature of 90-110 ℃ to ensure that the reinforced material is fully impregnated by the resin.
d. And c, cooling the reinforcing material and the resin layer in the step c to obtain the cooled double-film prepreg, wherein the cooling temperature is 8-10 ℃.
Further, step S3 includes the following steps:
a. and (3) after the release paper on the upper surface of the double-film prepreg is peeled, a layer of resin film with the PE film peeled is thermally adhered on the upper surface of the double-film prepreg, and the heating temperature is 70-100 ℃.
b. And cooling the double-film prepreg at 8-10 ℃, peeling off release paper on the lower surface of the double-film prepreg, and heating and bonding a resin film with a PE film peeled off on the lower surface of the double-film prepreg at 70-100 ℃.
c. And c, primarily heating and pressing the double-film prepreg and the resin layer subjected to the step b to ensure that the viscosity of the resin is t, t is not less than 20000mPa.s and not more than 200000mPa.s, t-v is not less than 5000mPa.s, and the resin is primarily bonded on the upper surface and the lower surface of the double-film prepreg.
d. And c, heating the double-film prepreg and the resin layer in the step c at the temperature of 100-110 ℃ to reduce the viscosity of the resin.
e. And d, further heating and laminating the double-film prepreg and the resin layer subjected to the step d, wherein the heating temperature is 100-110 ℃, and the resin is fully bonded on the double-film prepreg.
f. And e, cooling the double-film prepreg and the resin layer which are subjected to the step e, wherein the cooling temperature is 8-10 ℃, and obtaining the four-film prepreg.
Further, step S3 further includes:
g. and peeling the release paper on the upper surface of the four-film prepreg.
h. The four-film prepreg was heated at 80 ℃.
i. And pressing a layer of PE film on the upper surface of the four-film prepreg.
Preferably, in step S2, in step a, the PE film of the resin film is peeled off at a cooling temperature of 8 to 10 ℃ to expose the resin layer and cover the resin layer on the surface of the reinforcing material; in step S3, the PE film of the resin film is peeled off at a cooling temperature of 8 to 10 ℃ to expose the resin layer, and the resin layer is thermally bonded to the upper surface of the two-film prepreg by heating.
By adopting the technical scheme, the invention has the beneficial effects that:
(1) the application discloses four membrane prepreg production lines include: the yarn spreading device, the double-film prepreg forming device, the four-film prepreg forming device and the finished product winding device are sequentially arranged along the conveying direction of the reinforcing material. The yarn spreading device is used for spreading yarns of the reinforcing materials and conveying the reinforcing materials to the double-film prepreg forming device, the double-film prepreg forming device is used for laminating a layer of resin film on the upper surface and the lower surface of the reinforcing materials respectively to form a double-film prepreg and conveying the double-film prepreg to the four-film prepreg forming device, the four-film prepreg forming device is used for laminating a layer of resin film on the upper surface and the lower surface of the double-film prepreg respectively to form a four-film prepreg, the four-film prepreg is conveyed to the finished product winding device, and the finished product winding device is used for winding the four-film prepreg. Through the production line of this application, the resin film is impregnated in the two pressfitting of reinforcing material, and the first time is to impregnate the resin film and form two membrane preimpregnation materials at reinforcing material both sides pressfitting, guarantees that reinforcing material and resin film fully impregnate, and the second time is to impregnate the resin film and form four membrane preimpregnation materials at two side pressfitting of two membrane preimpregnation materials, has strengthened the rigidity of preimpregnation material, and it is softer to solve two membrane preimpregnation materials, glues the problem of sword when cutting, makes cut preimpregnation material on-stick sword, can satisfy subsequent technology demand of cutting.
(2) The four-film prepreg production process comprises the following steps: selecting a reinforcing material, molding a double-film prepreg, molding a four-film prepreg, and cooling and rolling the four-film prepreg. The double-film prepreg forming enables resin to be uniformly distributed and permeate the reinforcing material, the bonding strength among all fiber yarns in the reinforcing material is guaranteed, and the quality of the finished prepreg is guaranteed.
(3) The utility model provides a carry over pinch rolls that sets gradually of four membrane preimpregnation material forming device, first hot pressing roller, chill roll and second hot pressing roller, locate the second of first hot pressing roller top from type paper coiling mechanism, PE membrane coiling mechanism and second go up resin film unwinding device on the second, locate the second below the hot pressing roller from type paper coiling mechanism, PE membrane coiling mechanism under the second, resin film unwinding device under the second, make four membrane preimpregnation material forming device peel off the type paper on two membrane preimpregnation material surfaces in grades, when peeling off the type paper of two membrane preimpregnation material one side, still keep the type paper of one side as the support, and make the resin layer of resin film not directly contact with the roller, the resin can not adhere and be taken away on the roller, the local lack of resin or the uneven problem in surface of preimpregnation material can not appear, guarantee the quality of preimpregnation material.
Drawings
Fig. 1 is a schematic view of a structure of a conventional resin film.
Fig. 2 is a schematic structural view of a two-film prepreg according to the present application.
Fig. 3 is a schematic structural view of a four-film prepreg according to the present application.
Fig. 4 is a schematic front view of the four-film prepreg production line according to the present application.
Fig. 5 is a schematic front view of the two-film prepreg forming apparatus according to the present application.
Fig. 6 is a schematic front view of the four-film prepreg forming apparatus according to the present application.
Fig. 7 is a schematic front view structure diagram of the finished product winding device of the present application.
Fig. 8 is a front view of a first front pressing mechanism according to the present application.
Fig. 9 is a top view of a first front stitching mechanism of the present application.
Wherein: 1. the novel double-film prepreg manufacturing method comprises the following steps of reinforcing materials, 2 resin films, 21 resin layers, 22 release paper, 23 PE films, 3 double-film prepregs, 4 four-film prepregs, 5 yarn spreading devices, 6 double-film prepreg forming devices, 61 double-film forming racks, 62 first front pressing mechanisms, 63 first heating devices, 64 first rear pressing mechanisms, 65 first cooling devices, 66 first upper resin film unreeling devices, 67 first upper PE film reeling devices, 68 first lower resin film unreeling devices, 69 first lower PE film reeling devices, 7 fourth film prepreg forming devices, 71 drawing rollers, 72 first hot pressing rollers, 73 cooling rollers, 74 second hot pressing rollers, 75 second front pressing mechanisms, 76 second heating devices, 77 second rear pressing mechanisms, 78 second cooling devices, 79 second upper release paper reeling devices, 710 second upper PE film reeling devices, 711. The device comprises a second upper resin unreeling device, 712, a second lower release paper reeling device, 713, a second lower PE film reeling device, 714, a second lower resin unreeling device, 715, a four-film forming machine frame, 8, a finished product reeling device, 81, a guide roller, 82, a preheating plate, 83, a laminating mechanism, 84, a third upper release paper reeling device, 85.PE film unreeling device, 86. X-ray weight measuring instrument, 87, a prepreg cutting device, 9, a laminating roller set, 91, a mounting plate, 92, an upper laminating roller, 93, a lower laminating roller, 94, a driving motor, 95, a lifting cylinder, 96, a lead screw, 97, a worm gear reducer, 98, a connecting rod, 99, a coupler, 10, a resin film cooling roller, 11, a creel and 12 a woven cloth sending device.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
As shown in FIGS. 1-9, the four-film prepreg production line of the present application includes: the yarn spreading device 5, the double-film prepreg forming device 6, the four-film prepreg forming device 7 and the finished product winding device 8 are sequentially arranged along the conveying direction of the reinforcing material 1. The yarn spreading device 5 is used for spreading yarns of the reinforcing material 1 and conveying the reinforcing material to the double-film prepreg forming device 6, the double-film prepreg forming device 6 is used for laminating the upper surface and the lower surface of the reinforcing material 1 respectively to impregnate a resin film layer 2 to form a double-film prepreg 3 and conveying the double-film prepreg 3 to the four-film prepreg forming device 7, the four-film prepreg forming device 7 is used for laminating the upper surface and the lower surface of the double-film prepreg 3 respectively with a resin film layer 2 to form a four-film prepreg 4 and conveying the four-film prepreg 4 to the finished product winding device 8, and the finished product winding device 8 is used for winding the four-film prepreg 4.
Through above-mentioned four membrane prepreg production lines, reinforcing material 1 is twice pressfitting and is impregnated resin film 2, the first time is to impregnate resin film 2 and form two membrane prepreg 3 in reinforcing material 1 both sides pressfitting, guarantee that reinforcing material 1 and resin film 2 fully impregnate, the second time is to impregnate resin film 2 and form four membrane prepreg 4 in two sides pressfitting of two membrane prepreg 3, the rigidity of prepreg has been strengthened, it is softer to solve two membrane prepreg 3, the problem of gluing the sword when cutting, and because the surface of two membrane prepreg 3 is rougher, compound a layer of resin film 2 again on the surface of two membrane prepreg 3, can make the surface of prepreg level and smooth, improve the quality of prepreg.
The four-film pre-preg line of the present application will be further described with reference to a preferred embodiment of the present application.
A reinforcing material 1 for this application production line is fibre or woven cloth, in order to realize a tractor serves two-purposely, makes this application both can produce the prepreg that uses the fibre as reinforcing material, also can produce the prepreg that uses woven cloth as reinforcing material, this application still including set up in creel 11 and woven cloth sending device 12 of exhibition yarn device 5 front end, as shown in figure 4, creel 11 is used for installing the fibre, and woven cloth sending device 12 is used for installing woven cloth.
As shown in fig. 5, the two-film prepreg forming apparatus 6 of the present application includes: the double-film forming machine frame 61 comprises a first front pressing mechanism 62, a first heating device 63, a first rear pressing mechanism 64 and a first cooling device 65 which are sequentially arranged on the double-film forming machine frame 61, a first upper resin film unreeling device 66 and a first upper PE film reeling device 67 which are arranged above the first front pressing mechanism 62, and a first lower resin film unreeling device 68 and a first lower PE film reeling device 69 which are arranged below the first front pressing mechanism 62. The first upper resin film unwinding device 66 and the first lower resin film unwinding device 68 are used for mounting the resin film 2, and the resin film 2 includes a resin layer 21, and a PE film 23 and a release paper 22 respectively laminated on upper and lower surfaces of the resin layer 21, as shown in fig. 1. The first upper PE film winding device 67 and the first lower PE film winding device 69 are used for peeling the PE film 23 on the resin film 2, and the resin layer 21 with the release paper 22 compounded on the upper and lower surfaces of the reinforced material 1 is sequentially formed into the double-film prepreg 3 through the first front pressing mechanism 62, the first heating device 63, the first rear pressing mechanism 64 and the first cooling device 65, as shown in fig. 2.
As shown in fig. 6, the four-film prepreg forming apparatus 7 of the present application includes: the film laminating machine comprises a four-film forming frame 715, a traction roller 71, a first hot pressing roller 72, a cooling roller 73, a second hot pressing roller 74, a second front pressing mechanism 75, a second heating device 76, a second rear pressing mechanism 77 and a second cooling device 78 which are sequentially arranged on the four-film forming frame 715, a second upper release paper winding device 79, a second upper PE film winding device 710 and a second upper resin film unwinding device 711 which are arranged above the first hot pressing roller 72, and a second lower release paper winding device 712, a second lower PE film winding device 713 and a second lower resin film unwinding device 714 which are arranged below the second hot pressing roller 74. The traction roller 71 is used for conveying the double-film prepreg 3, the second upper release paper winding device 79 is used for peeling and winding the release paper 22 on the upper surface of the double-film prepreg 3, the second lower release paper winding device 712 is used for peeling and winding the release paper 22 on the lower surface of the double-film prepreg 3, the second upper resin film unwinding device 711 and the second lower resin film unwinding device 714 are used for installing the resin film 2, and the second upper PE film winding device 710 and the second lower PE film winding device 713 are used for peeling the PE film 23 on the resin film 2. After the release paper 22 is peeled off from the upper surface of the two-film prepreg 3, the upper surface is press-impregnated with the resin film 2 at the first hot press roll 72, and cooled by the cooling roll 73, and after the release paper 22 is peeled off from the lower surface, the lower surface is press-impregnated with the resin film 2 at the second hot press roll 74 to form the four-film prepreg 4, as shown in fig. 3.
The utility model provides a four membrane preimpregnation material forming device 7 peels off the release paper 22 on two membrane preimpregnation material 3 surfaces in grades, after peeling off the release paper 22 of two membrane preimpregnation material 3 one side, attach one deck resin film 2 on this face promptly, make two membrane preimpregnation material 3 when peeling off the release paper 22 of one side, still keep the release paper 22 of another side as supporting, avoid peeling off the release paper 22 of its upper and lower two sides simultaneously, resin layer 21 does not have the support, in the in-process of carrying to before the second pressing mechanism 75, easy tractive is out of shape, the easy adhesion of resin layer 21 on reinforcing material 1 surface is taken away or is trickled downwards on the roller, the local resin or the surperficial unevenness's problem of lacking of preimpregnation material appears, influence the quality of preimpregnation material.
As shown in fig. 7, the finished product winding device 8 of the present application includes a guide roller 81, a preheating plate 82 and a laminating mechanism 83, a third upper release paper winding device 84 and a PE film unwinding device 85 are disposed above the laminating mechanism 83, the preheating plate 82 heats the four-film prepreg 4 passing through the guide roller 81, the third upper release paper winding device 84 is used for peeling the release paper 22 on the upper surface of the four-film prepreg 4, the PE film unwinding device 85 is used for mounting the PE film 23 and unwinding the PE film 23 to the upper surface of the four-film prepreg 4 with the release paper 22 peeled, and the laminating mechanism 83 performs lamination on the four-film prepreg 4 and the PE film 23. An X-ray weight measuring instrument 86 is arranged between the guide roller 81 and the preheating plate 82 and used for measuring and monitoring the weight of the four-film prepreg 4 in real time, and a prepreg cutting device 87 is arranged at the rear end of the pressing mechanism 83 and used for trimming the four-film prepreg 4. Before the four-film prepreg 4 enters the finished product winding device 8, the resin layer 21 of the four-film prepreg 4 is cooled by the second cooling device 78, when release paper 22 on the upper surface of the four-film prepreg 4 is peeled, resin of the four-film prepreg 4 is not transferred to the peeled release paper 22, but the resin temperature of the four-film prepreg 4 is too low, the viscosity is too small to be attached to a PE film 23, the four-film prepreg 4 transversely wrinkles when being wound, the four-film prepreg 4 is heated before entering a pressing mechanism 83 for pressing, the resin has certain viscosity, the resin can be uniformly attached to the PE film 23, and the quality of the wound prepreg is guaranteed.
As shown in fig. 8 and 9, the first front pressing mechanism 62 and the first rear pressing mechanism 64 of the dual-film prepreg forming apparatus 6, the second front pressing mechanism 75 and the second rear pressing mechanism 77 of the four-film prepreg forming apparatus 7 each include at least one pressing roller set 9, the pressing roller set 9 includes mounting plates 91 and elevators disposed at both sides of the dual-film forming frame 61 (the four-film forming frame 715), an upper pressing roller 92 rotatably connected between the two mounting plates 91, and a lower pressing roller 93 parallel to the upper pressing roller 92, the upper pressing roller 92 and the lower pressing roller 93 are internally filled with a thermal fluid or are provided with an electric heating wire, the lower pressing roller 93 is fixed on the dual-film forming frame 61 (the four-film forming frame 715) through a bearing seat and is driven to rotate by a driving motor 94, and the elevator includes: the film laminating machine comprises a lifting cylinder 95, a screw rod 96 fixedly connected with a piston rod of the lifting cylinder 95 and a worm and gear speed reducer 97 installed on the screw rod 96, wherein the bottom end of a cylinder barrel of the lifting cylinder 95 is pivoted on a double-film forming rack 61 (a four-film forming rack 715), one end of a mounting plate 91 is pivoted on the double-film forming rack 61 (the four-film forming rack 715), the other end of the mounting plate 91 is pivoted on the worm and gear speed reducer 97, the lifter drives the mounting plate 91 to rotate along one end of the mounting plate 91 so as to drive an upper laminating roller 92 to move up and down, and input shafts of the worm and gear speed reducers at two ends of the upper laminating roller 92 are connected with a coupler 99 through a connecting rod 98 and driven by the same motor. The first heating device 63 and the second heating device 76 of the present application may each employ a heating plate, and the first cooling device 65 and the second cooling device 78 may each employ a cooling plate. The screw 96 and the worm gear reducer form a screw 96 lifter, the screw 96 lifter can accurately control and adjust the lifting height according to a certain program, the transmission efficiency is high, the precision is high, the self-locking can be realized, and the accuracy of adjusting the gap between the upper pressing roller 92 and the lower pressing roller 93 can be improved. The lifting cylinder 95 realizes large-amplitude and rapid lifting of the upper press-fit roller 92, the lifting cylinder 95 is combined with a screw 96 lifter, the speed of adjusting the gap between the upper press-fit roller 92 and the lower press-fit roller 93 is accelerated, the precision of adjusting the gap is ensured, meanwhile, the input shafts of worm gear speed reducers at two ends of the upper press-fit roller 92 are connected with a coupler 99 through connecting rods 98 and are driven by the same motor, multiple linkage use of the screw 96 lifter is realized, the requirements of stable, synchronous and reciprocating lifting of the worm gear speed reducer 97 are met, the consistency of the gaps at all positions of the upper press-fit roller 92 and the lower press-fit roller 93 is ensured, the prepreg is ensured to be uniformly pressed, and the quality of the prepreg is improved. The interior hot-fluid that leads to or install last compression roller 92 and the lower compression roller 93 of heating wire for heat prepreg when the pressfitting, can prolong the heating time of prepreg, the mobility of resin when guaranteeing the pressfitting to impregnate, make reinforcing material 1 and resin fully impregnate. The front pressing mechanism realizes rough pressing impregnation of the reinforced material 1 and the resin film 2, mainly plays a role of shaping, prolongs the heating time of the resin through the heating device, fully heats the resin, has sufficient heating time, is fully hot-melted, fully impregnates each fiber of the reinforced material 1 through the resin, ensures the bonding strength of the resin, and fully presses and impregnates the resin and the reinforced material 1 again through fine pressing of the rear pressing mechanism, thereby achieving the target thickness and improving the quality of the prepreg.
Resin film cooling rollers 10 are provided above and below the first front nip mechanism 62 and the second front nip mechanism 75, and the resin film cooling rollers 10 are used for cooling the resin film 2 passing through the resin film cooling rollers 10 so as to peel off the PE film 23 on the surface of the resin film 2. At normal temperature, because the resin has certain viscosity, certain cohesive force is formed between the resin layer 21 and the PE film 23 and between the resin layer 21 and the release paper 22, the PE film 23 and the release paper 22 have certain toughness, the resin can deform along with the trend of the resin to generate surface peeling, the peeling force is large, part of the resin layer 21 is adhered to the PE film 23 and the release paper 22 and is taken away, the prepreg is partially lack of the resin, and the appearance and the quality of a unit area of the prepreg are influenced. Resin film 2 of this application all passes through the cooling before peeling off its surperficial from type paper 22 and PE membrane 23, has reduced the viscidity of resin, solves to peel off PE membrane 23, is stained with the problem of resin from type paper 22, guarantees even impregnating resin on the reinforcing material 1, and the prepreg surface is even, level and smooth.
Based on the four-film prepreg production line provided by the application, the application also provides a four-film prepreg production process. The four-film prepreg production process comprises the following steps:
s1, selecting a reinforced material
The reinforcing material is continuous fiber or woven cloth; when the reinforcing material is continuous fiber, the continuous fiber is subjected to yarn spreading treatment.
S2, forming of double-film prepreg
Covering a layer of resin film on each of the upper and lower surfaces of the reinforcing material, and performing lamination impregnation on the reinforcing material and the resin film for several times at 80-110 ℃ to form a double-film prepreg in which a layer of resin film is laminated on each of the upper and lower surfaces of the reinforcing material.
S3, four-film prepreg forming
Covering a layer of resin film on each of the upper and lower surfaces of the double-film prepreg, and performing lamination impregnation on the double-film prepreg and the resin film for several times at the temperature of 70-110 ℃ to form a four-film prepreg with a layer of resin film laminated on each of the upper and lower surfaces of the double-film prepreg.
And S4, cooling and rolling the four-film prepreg.
In order to further understand the above process, the above steps are described in detail in connection with a certain preferred embodiment of the present application.
The resin film used in the process includes a resin layer 21, and a PE film 23 and a release paper 22 respectively laminated on the upper and lower surfaces of the resin layer 21, as shown in fig. 1.
In step S1, the reinforcing material is preheated and then subjected to step S2, wherein the preheating temperature is 60 ℃ to 100 ℃. The preheated reinforcing material can accelerate the later absorption of the resin by the reinforcing material, and preparation is made for the resin to fully impregnate the reinforcing material 1.
Step S2 includes the following steps:
a. covering resin films with PE films peeled off on the upper and lower surfaces of the reinforcing material, carrying out primary heating and pressing to ensure that the viscosity of the resin is v, v is more than or equal to 5000mPa.s and less than or equal to 50000mPa.s, and impregnating the reinforcing material with the resin primarily.
Preferably, the resin film is cooled at 8 to 10 ℃, the PE film is peeled off from the surface thereof to expose the resin layer, and the resin layer is covered on the surface of the reinforcing material to prevent the resin from having a high viscosity at room temperature, and the resin is carried away when the PE film is peeled off, so that the resin is partially lost in the two-film prepreg, and the prepreg is unevenly impregnated, and the viscosity increases and the viscosity decreases after the resin is cooled, and the resin is not carried away when the PE film is peeled off.
b. And c, heating the reinforcing material and the resin layer in the step a at the heating temperature of 100-110 ℃ so that the resin can permeate the reinforcing material.
c. And c, further heating and pressing the reinforced material and the resin layer obtained in the step b at the heating temperature of 90-110 ℃ to ensure that the reinforced material is fully impregnated by the resin.
d. And c, cooling the reinforcing material and the resin layer in the step c to obtain the cooled double-film prepreg, wherein the cooling temperature is 8-10 ℃.
Step S3 includes the following steps:
a. and (3) after the release paper on the upper surface of the double-film prepreg is peeled, a layer of resin film with the PE film peeled is thermally adhered on the upper surface of the double-film prepreg, and the heating temperature is 70-100 ℃.
Preferably, the resin film is cooled at 8 to 10 ℃, the PE film is peeled off from the surface thereof to expose the resin layer, and then the resin layer is heat-bonded to the upper surface of the two-film prepreg.
b. And cooling the double-film prepreg at 8-10 ℃, peeling off release paper on the lower surface of the double-film prepreg, and heating and bonding a resin film with a PE film peeled off on the lower surface of the double-film prepreg at 70-100 ℃.
c. And c, primarily heating and pressing the double-film prepreg and the resin layer subjected to the step b to ensure that the viscosity of the resin is t, t is not less than 20000mPa.s and not more than 200000mPa.s, t-v is not less than 5000mPa.s, and the resin is primarily bonded on the upper surface and the lower surface of the double-film prepreg.
d. And c, heating the double-film prepreg and the resin layer in the step c at the temperature of 100-110 ℃ to reduce the viscosity of the resin.
e. And d, further heating and laminating the double-film prepreg and the resin layer subjected to the step d, wherein the heating temperature is 100-110 ℃, and the resin is fully bonded on the double-film prepreg.
f. And e, cooling the double-film prepreg and the resin layer which are subjected to the step e, wherein the cooling temperature is 8-10 ℃, and obtaining the four-film prepreg.
g. And peeling the release paper on the upper surface of the four-film prepreg.
h. The four-film prepreg was heated at 80 ℃.
i. And pressing a layer of PE film on the upper surface of the four-film prepreg.
In one preferred embodiment of the present application, the resin film used for forming the two-film prepreg in step S2 and the resin film used for forming the four-film prepreg in step S3 are the same resin film, and step a of step S2 is to cover the resin films with the PE films peeled off on the upper and lower surfaces of the reinforcing material, and perform preliminary heating and pressing at 80 ℃; in step c of step S3, the two-film prepreg and the resin layer subjected to step b are preliminarily heated and laminated at a heating temperature of 70 ℃. For the same resin film, the viscosity of the resin film is controlled by controlling the heating temperature.
In another preferred embodiment of the present application, the resin film used for the two-film prepreg forming in the step S2 and the resin film used for the four-film prepreg forming in the step S3 are different resin films, and under the same conditions, the viscosity of the resin film used for the two-film prepreg forming in the step S2 is lower than that of the resin film used for the four-film prepreg forming in the step S3, and the difference in viscosity between the resin films is realized by selecting different resin films.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (14)
1. A four-film prepreg production line, characterized by comprising: the yarn spreading device, the double-film prepreg forming device, the four-film prepreg forming device and the finished product winding device are sequentially arranged along the conveying direction of the reinforcing material;
the yarn spreading device spreads the yarns of the reinforcing materials and conveys the reinforcing materials to a double-film prepreg forming device, the double-film prepreg forming device respectively presses and soaks a layer of resin film on the upper surface and the lower surface of the reinforcing materials to form a double-film prepreg, and the double-film prepreg is conveyed to a four-film prepreg forming device; the four-film prepreg forming device respectively presses a layer of resin film on the upper surface and the lower surface of the double-film prepreg to form the four-film prepreg, and the four-film prepreg is conveyed to a finished product winding device; and the finished product winding device winds the four-film prepreg.
2. The four-film prepreg production line according to claim 1, further comprising a creel and a woven cloth delivery device, wherein the creel is arranged at the front end of the yarn spreading device, the reinforcing material is fibers or woven cloth, the creel is used for installing the fibers, and the woven cloth delivery device is used for installing the woven cloth.
3. The four-film prepreg production line according to claim 1, wherein the two-film prepreg forming device comprises: the double-film forming machine comprises a double-film forming rack, a first front pressing mechanism, a first heating device, a first rear pressing mechanism and a first cooling device which are sequentially arranged on the double-film forming rack, a first upper resin film unreeling device and a first upper PE film reeling device which are arranged above the first front pressing mechanism, and a first lower resin film unreeling device and a first lower PE film reeling device which are arranged below the first front pressing mechanism;
the first upper resin film unwinding device and the first lower resin film unwinding device are used for installing resin films, and each resin film comprises a resin layer, and a PE film and release paper which are respectively coated on the upper surface and the lower surface of the resin layer; the first upper PE film winding device and the first lower PE film winding device are used for peeling the PE film on the resin film; the resin layer with the release paper compounded on the upper surface and the lower surface of the reinforced material is sequentially molded into the double-film prepreg through the first front pressing mechanism, the first heating device, the first rear pressing mechanism and the first cooling device.
4. The four-film prepreg production line according to claim 3,
the four-film prepreg forming device includes: the film forming machine comprises a four-film forming machine frame, a traction roller, a first hot pressing roller, a cooling roller, a second hot pressing roller, a second front pressing mechanism, a second heating device, a second rear pressing mechanism and a second cooling device which are sequentially arranged on the four-film forming machine frame, a second upper release paper winding device, a second upper PE film winding device and a second upper resin film unwinding device which are arranged above the first hot pressing roller, and a second lower release paper winding device, a second lower PE film winding device and a second lower resin film unwinding device which are arranged below the second hot pressing roller;
the traction roller is used for conveying the double-film prepreg, the second upper release paper winding device is used for stripping and winding release paper on the upper surface of the double-film prepreg, and the second lower release paper winding device is used for stripping and winding release paper on the lower surface of the double-film prepreg; the second upper resin film unwinding device and the second lower resin film unwinding device are used for installing resin films, and the second upper PE film winding device and the second lower PE film winding device are used for peeling PE films on the resin films;
after the release paper is peeled from the upper surface of the double-film prepreg, the upper surface and the resin film are pressed and impregnated at a first hot pressing roller, the double-film prepreg is cooled by a cooling roller, and after the release paper on the lower surface is peeled, the lower surface and the resin film are pressed and impregnated at a second hot pressing roller to form the four-film prepreg.
5. The four-film prepreg production line according to claim 4, wherein the finished product winding device comprises a guide roller, a preheating plate and a pressing mechanism, a third upper release paper winding device and a PE film unwinding device are arranged above the pressing mechanism, the preheating plate heats the four-film prepreg passing through the guide roller, the third upper release paper winding device is used for peeling release paper on the upper surface of the four-film prepreg, the PE film unwinding device is used for installing a PE film and unwinding the PE film to the upper surface of the four-film prepreg peeled from the release paper, and the pressing mechanism presses the four-film prepreg and the PE film.
6. The four-film prepreg production line according to claim 5, wherein an X-ray weight measuring instrument is arranged between the guide roller and the preheating plate, and a prepreg cutting device is arranged at the rear end of the laminating mechanism.
7. The four-film prepreg production line according to claim 3 or 4,
the first front pressing mechanism and the first rear pressing mechanism of the double-film prepreg forming device or the second front pressing mechanism and the second rear pressing mechanism of the four-film prepreg forming device respectively comprise at least one group of pressing roller set, the pressing roller set comprises mounting plates and a lifter which are arranged on two sides of the double-film forming rack or the four-film forming rack, an upper pressing roller which is rotatably connected between the two mounting plates, and a lower pressing roller which is parallel to the upper pressing roller; hot fluid or heating wires are filled in the upper pressing roller and the lower pressing roller; the lower pressing roller is fixed on the double-film forming rack or the four-film forming rack through a bearing seat and is driven to rotate by a driving motor; the elevator comprises: the device comprises a lifting cylinder, a lead screw fixedly connected with a piston rod of the lifting cylinder, and a worm and gear speed reducer installed on the lead screw, wherein the bottom end of a cylinder barrel of the lifting cylinder is pivoted on the double-film forming frame or the four-film forming frame, one end of a mounting plate is pivoted on the double-film forming frame or the four-film forming frame, the other end of the mounting plate is pivoted on the worm and gear speed reducer, the lifter drives the mounting plate to rotate along one end of the mounting plate, so that the upper press-fit roller is driven to move up and down, and input shafts of the worm and gear speed reducers at two ends of the upper press-fit roller are connected through a connecting rod and a coupler and driven by the same motor.
8. The four-film prepreg production line according to claim 3 or 4,
resin film cooling rollers are arranged above and below the first front pressing mechanism or the second front pressing mechanism and used for cooling the resin film passing through the resin film cooling rollers so as to peel the PE film on the surface of the resin film.
9. A four-film prepreg production process is characterized by comprising the following steps:
s1, selecting a reinforcing material;
the reinforcing material is continuous fiber or woven cloth; when the reinforcing material is continuous fiber, the continuous fiber is subjected to yarn spreading treatment;
s2, forming a double-film prepreg;
covering a layer of resin film on each of the upper and lower surfaces of the reinforced material, and performing lamination impregnation on the reinforced material and the resin film for several times at the temperature of 80-110 ℃ to form a double-film prepreg in which a layer of resin film is laminated on each of the upper and lower surfaces of the reinforced material;
s3, forming four-film prepreg;
covering a layer of resin film on each of the upper and lower surfaces of the double-film prepreg, and performing lamination impregnation on the double-film prepreg and the resin film for several times at the temperature of 70-110 ℃ to form a four-film prepreg with a layer of resin film laminated on each of the upper and lower surfaces of the double-film prepreg;
and S4, cooling and rolling the four-film prepreg.
10. The process for producing a four-film prepreg according to claim 9, wherein the reinforcing material is preheated in step S1 at a temperature of 60 to 100 ℃ in step S2.
11. The four-film prepreg production process according to claim 9,
the resin film comprises a resin layer, and a PE film and release paper which are respectively coated on the upper surface and the lower surface of the resin layer; step S2 includes the following steps:
a. covering resin films with PE films peeled off on the upper and lower surfaces of the reinforcing material, carrying out primary heating and pressing to ensure that the viscosity of the resin layers is v, v is more than or equal to 5000mPa.s and less than or equal to 50000mPa.s, and preliminarily impregnating the reinforcing material in the resin layers;
b. heating the reinforced material and the resin layer obtained in the step a at the temperature of 100-110 ℃ to enable the resin to permeate the reinforced material;
c. c, further heating and pressing the reinforced material and the resin layer obtained in the step b at the heating temperature of 90-110 ℃ to ensure that the reinforced material is fully impregnated by the resin;
d. and c, cooling the reinforcing material and the resin layer in the step c to obtain the cooled double-film prepreg, wherein the cooling temperature is 8-10 ℃.
12. The four-film prepreg production process according to claim 11, wherein step S3 includes the steps of:
a. stripping release paper on the upper surface of the double-film prepreg, and thermally bonding a layer of resin film stripped of the PE film on the upper surface of the double-film prepreg at the heating temperature of 70-100 ℃;
b. cooling the double-film prepreg at the temperature of 8-10 ℃, and heating and bonding a layer of resin film stripped of the PE film on the lower surface of the double-film prepreg at the temperature of 70-100 ℃ after stripping release paper on the lower surface of the double-film prepreg;
c. c, primarily heating and pressing the double-film prepreg and the resin layer subjected to the step b to ensure that the viscosity of the resin is t, t is not less than 20000mPa.s and not more than 200000mPa.s, t-v is not less than 5000mPa.s, and the resin is primarily bonded on the upper surface and the lower surface of the double-film prepreg;
d. c, heating the double-film prepreg and the resin layer in the step c at the temperature of 100-110 ℃ to reduce the viscosity of the resin;
e. c, further heating and laminating the double-film prepreg and the resin layer subjected to the step d, wherein the heating temperature is 100-110 ℃, so that the resin is fully bonded on the double-film prepreg;
f. and e, cooling the double-film prepreg and the resin layer which are subjected to the step e, wherein the cooling temperature is 8-10 ℃, and obtaining the four-film prepreg.
13. The four-film prepreg production process according to claim 12, wherein step S3 further comprises:
g. stripping release paper on the upper surface of the four-film prepreg;
h. heating the four-film prepreg at the temperature of 80 ℃;
i. and pressing a layer of PE film on the upper surface of the four-film prepreg.
14. The process according to claim 12, wherein in step S2, in step a, the PE film of the resin film is peeled off at a cooling temperature of 8 to 10 ℃ to expose the resin layer and cover the resin layer on the surface of the reinforcing material; in step S3, the PE film of the resin film is peeled off at a cooling temperature of 8 to 10 ℃ to expose the resin layer, and the resin layer is thermally bonded to the upper surface of the two-film prepreg by heating.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476760A (en) * | 2022-01-24 | 2022-05-13 | 东莞市鹏威能源科技有限公司 | High-temperature processing equipment for heat-insulation cotton coiled material for aerogel production and heat-insulation cotton coiled material treatment process |
| CN115534491A (en) * | 2022-10-10 | 2022-12-30 | 厦门复晟复合材料有限公司 | Three-layer woven fabric pre-impregnation production line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11188828A (en) * | 1997-12-25 | 1999-07-13 | Nippon Petrochem Co Ltd | Manufacture of laminate |
| CN104842619A (en) * | 2015-05-06 | 2015-08-19 | 江苏恒神股份有限公司 | Prepreg manufacturing process of high-tenacity multilayer structure |
| CN111204086A (en) * | 2020-03-10 | 2020-05-29 | 山东大学 | Carbon fiber thermoplastic prepreg fabric with gradient structure |
| CN213291410U (en) * | 2020-10-12 | 2021-05-28 | 东莞市德泰复合材料有限公司 | Production system of preimpregnation material |
-
2021
- 2021-08-12 CN CN202110926484.2A patent/CN113619161A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11188828A (en) * | 1997-12-25 | 1999-07-13 | Nippon Petrochem Co Ltd | Manufacture of laminate |
| CN104842619A (en) * | 2015-05-06 | 2015-08-19 | 江苏恒神股份有限公司 | Prepreg manufacturing process of high-tenacity multilayer structure |
| CN111204086A (en) * | 2020-03-10 | 2020-05-29 | 山东大学 | Carbon fiber thermoplastic prepreg fabric with gradient structure |
| CN213291410U (en) * | 2020-10-12 | 2021-05-28 | 东莞市德泰复合材料有限公司 | Production system of preimpregnation material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476760A (en) * | 2022-01-24 | 2022-05-13 | 东莞市鹏威能源科技有限公司 | High-temperature processing equipment for heat-insulation cotton coiled material for aerogel production and heat-insulation cotton coiled material treatment process |
| CN115534491A (en) * | 2022-10-10 | 2022-12-30 | 厦门复晟复合材料有限公司 | Three-layer woven fabric pre-impregnation production line |
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Effective date of registration: 20220817 Address after: 361000 1st to 3rd Floor, Building A, No. 69, Tongsheng Road, Tong'an District, Xiamen City, Fujian Province (3# Plant) Applicant after: XIAMEN FUSHENG COMPOSITES Co.,Ltd. Address before: One of the second floor of 1# workshop, No. 69, Tongsheng Road, Tong'an District, Xiamen City, Fujian Province, 361000 Applicant before: Xiamen xinmeihe Equipment Manufacturing Co.,Ltd. |