CN216578741U

CN216578741U - Dry prepreg production equipment

Info

Publication number: CN216578741U
Application number: CN202123164599.7U
Authority: CN
Inventors: 颜金本; 叶美和
Original assignee: Xiamen Fusheng Composites Co ltd
Current assignee: Xiamen Fusheng Composites Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-24
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a dry process preimpregnation material production facility itself, include: the frame sets up unwinding device, rubber coating device, gumming device, tectorial membrane device, cooling device and the coiling mechanism in the frame, and the material of weaving on the unwinding device is prepreg through rubber coating device, gumming device, tectorial membrane device and cooling device shaping in proper order, by the coiling of coiling mechanism at last, and the gumming device includes: a plurality of warming mill and hot press roller, the warming mill is from last to down, from the past to back arrange in proper order, and the hot press roller passes through elevating gear and locates the top and/or the below of warming mill, and prepreg is from last to down, from the past to back in proper order around establishing the warming mill to prepreg passes through from between warming mill and the hot press roller. The utility model can prolong the heating impregnation time of the prepreg, has small occupied area, ensures that two sides of the prepreg can be heated by matching the hot pressing roller and the heating roller, is beneficial to full impregnation of the prepreg, ensures that the woven cloth is uniformly rubberized, and improves the quality of the finished prepreg.

Description

Dry prepreg production equipment

Technical Field

The utility model relates to the technical field of prepreg production equipment, in particular to dry-process prepreg production equipment.

Background

The prepreg is a composite of a resin matrix and a reinforcement prepared by impregnating continuous fibers or fabrics with the resin matrix under strictly controlled conditions, and is an intermediate material for preparing a composite material, and the preparation method of the prepreg comprises a dry method and a wet method, wherein the prepreg prepared by the dry method has better appearance, and the control precision of the resin content in the prepreg is higher, but most of thermoplastic resins have the defects of poor processability, large melt viscosity and difficult flowing, if the viscosity of the thermoplastic resins is too high, the fibers are difficult to be effectively impregnated, the conventional prepreg production device usually sticks a resin film, directly carries out hot pressing and then directly cools, and often causes the temperature to be lower than a set temperature, so that the quality of the prepreg is poor, in order to solve the problems, a prepreg production device which directly heats the resin and coats the continuous fibers or the fabrics is provided, for example, the utility model patent with application number of 201820215655.4 discloses a composite material prepreg dry production device, although the resin can be ensured to reach the set temperature and coated on the continuous fiber or the fabric, the impregnation time of the resin and the continuous fiber or the fabric is short, and the sizing uniformity of the continuous fiber or the fabric cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide dry-method prepreg production equipment which can improve the gluing uniformity of prepreg and ensure the quality of the prepreg.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

a dry prepreg production apparatus comprising: the machine comprises a frame, and an unreeling device, a gluing device, a glue dipping device, a film laminating device, a cooling device and a reeling device which are arranged on the frame, wherein woven cloth on the unreeling device is molded into prepreg through the gluing device, the glue dipping device, the film laminating device and the cooling device in sequence, and finally the prepreg is reeled by the reeling device. Wherein, the gumming device include: a plurality of warming mill and hot press roller, the warming mill from last to down, arrange in proper order after to in the past, hot press roller pass through elevating gear and locate the top and/or the below of warming mill, prepreg from last to down, in the past to after around establishing the warming mill in proper order, and prepreg from warming mill and hot press roller between pass through.

Further, the dipping device comprises: the prepreg feeding device comprises a first heating roller, a second heating roller, a third heating roller and a fourth heating roller, wherein the first heating roller, the second heating roller, the third heating roller and the fourth heating roller are sequentially wound, the second heating roller is arranged below the first heating roller, the third heating roller is arranged at the rear end of the second heating roller, the fourth heating roller is arranged below the third heating roller, and hot pressing rollers are arranged below the second heating roller and the fourth heating roller.

Further, the lifting device comprises: the hot-pressing roller comprises a fixing plate, a connecting plate and a cylinder which are arranged on two sides of the rack, wherein the bottom of the cylinder is hinged to the rack, one end of the connecting plate is hinged to the fixing plate, the other end of the connecting plate is hinged to a piston rod of the cylinder, the hot-pressing roller is arranged between the connecting plates on the two sides of the rack, and the shaft end of the hot-pressing roller is installed on the connecting plate through a bearing seat.

Further, unwinding device include: unreel roller and a plurality of tensioning roller, tensioning roller locate the rear end of unreeling the roller, tensioning roller be located the below of rubber coating device.

Further, the gluing device comprises: adjacent to the dancer rools, fixed roll and the rubber roll that sets up in proper order to and locate the melten gel mechanism of dancer rools and fixed roll top, melten gel mechanism melt the resin and drip on the mutual fitting surface of dancer rools and fixed roll, woven cloth around establishing on the rubber roll, the fixed roll with the resin coating on woven cloth surface.

Furthermore, the cooling device comprises a cooling disc, and the upper surface of the cooling disc is an inclined surface.

Further, the one end that the coiling mechanism was kept away from to the cooling pan is higher than the one end that is close to the coiling mechanism, tectorial membrane device include: go up PE membrane unwinding device, lower PE membrane unwinding device, go up PE membrane carry over pinch rolls and PE membrane carry over pinch rolls down, lower PE membrane carry over pinch rolls locate the cooling device front end, the top of lower PE membrane carry over pinch rolls and the upper surface of cooling pan be located the coplanar, lower PE membrane carry over pinch rolls under the lower PE membrane feeding of the below follow preimpregnation material of lower PE membrane unwinding device, last PE membrane carry over pinch rolls locate cooling device's rear end, go up PE membrane carry over pinch rolls and be the cooling roll, the bottom of going up PE membrane carry over pinch rolls and the upper surface of cooling pan be located the coplanar, last PE membrane carry over pinch rolls in the top feeding of going up PE membrane on the PE membrane unwinding device from preimpregnation material.

By adopting the technical scheme, the utility model has the beneficial effects that:

(1) according to the utility model, the woven cloth is wound on the heating rollers which are arranged in a roundabout way, so that the heating impregnation time is prolonged, and the two sides of the prepreg can be heated through the matching of the hot pressing roller and the heating rollers, so that the prepreg can be fully impregnated, the woven cloth can be uniformly coated, and the quality of the finished prepreg is improved.

(2) The heating rollers and the hot pressing rollers are arranged up and down, so that the gum dipping device occupies a small area, and the prepreg is sequentially wound on the heating rollers from top to bottom and from left to right, so that the contact area between the prepreg and the heating rollers can be increased, and the heating impregnation effect is improved.

Drawings

Fig. 1 is a schematic front view of a preferred embodiment of the present invention.

Fig. 2 is a front view schematically showing the unwinding device and the gluing device in fig. 1.

Fig. 3 is a schematic front view of the impregnation apparatus in fig. 1.

Fig. 4 is a front view structural schematic diagram of the film covering device, the cooling device and the winding device in fig. 1.

Wherein: 1. the device comprises a frame, 2. an unreeling device, 21. an unreeling roller, 22. a tensioning roller, 3. a gluing device, 31. an adjusting roller, 32. a fixing roller, 33. a rubber roller, 34. a rubber melting mechanism, 4. a gum dipping device, 41. a first heating roller, 42. a second heating roller, 43. a third heating roller, 44. a fourth heating roller, 45. a hot pressing roller, 46. a lifting device, 461. a fixing plate, 462. a connecting plate, 463. an air cylinder, 464. a bearing seat, 5. a film covering device, 51. an upper PE film unreeling device, 52. a lower PE film unreeling device, 53. an upper PE film drawing roller, 54. a lower PE film drawing roller, 6. a cooling device, 61. a cooling disc, 7. a device, 8. woven cloth and 9. prepreg reeling.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description.

As shown in fig. 1, the present invention discloses a dry prepreg 9 production apparatus, comprising: the device comprises a frame 1, an unreeling device 2 arranged on the frame 1, a gluing device 3, a glue dipping device 4, a film laminating device 5, a cooling device 6 and a reeling device 7.

Wherein, unwinding device 2 includes: an unwinding roller 21 and a plurality of tension rollers 22, the tension rollers 22 are arranged at the rear end of the unwinding roller 21 and are positioned below the gluing device 3, and the weaving cloth 8 arranged on the unwinding roller 21 is tensioned by the tension rollers 22 and then is drawn to the gluing device 3.

The glue spreading device 3 includes: the prepreg manufacturing device comprises a regulating roller 31, a fixing roller 32, a rubber roller 33 and a glue melting mechanism 34, wherein the regulating roller 31, the fixing roller 32 and the rubber roller 33 are arranged in an abutting mode in sequence, the glue melting mechanism 34 is arranged above the regulating roller 31 and the fixing roller 32, resin is melted and dripped on the matching surfaces of the regulating roller 31 and the fixing roller 32, the woven cloth 8 is wound on the rubber roller 33, the regulating roller 31 can regulate the distance between the regulating roller 31 and the fixing roller 32 to achieve the purpose of controlling the thickness of the resin, a layer of resin film is formed on the surface of the fixing roller 32 in the rotating process of the fixing roller 32, the woven cloth 8 passes through the position between the fixing roller 32 and the rubber roller 33, and the fixing roller 32 coats the resin on the surface of the woven cloth 8 to form a prepreg 9 along with the rotation of the fixing roller 32.

The impregnation device 4 includes: a plurality of heating rollers and hot press roller 45, the heating roller is from last to down, arrange in proper order from the front to back, hot press roller 45 locates the top and/or the below of heating roller through elevating gear 46, prepreg 9 is from last to down, from the front to back in proper order around establishing on the heating roller, the time that prepreg 9 heating was impregnated can be prolonged to the heating roller of a plurality of circuitous laying, improve the effect of impregnating of woven fabric 8 and resin, the heating roller heats prepreg 9 from one side of prepreg 9, prepreg 9 passes through from heating roller and hot press roller 45 between, hot press roller 45 can cooperate the heating roller to heat prepreg 9 simultaneously from the opposite side of prepreg 9, make prepreg 9 two-sided being heated, do benefit to the abundant flooding of prepreg 9, improve 8 rubberizing homogeneity woven fabric, improve the quality of finished product prepreg 9. The lifting device 46 controls the lifting of the hot-pressing roller 45, so that the prepreg 9 can be conveniently fed between the heating roller and the hot-pressing roller 45 in the preparation stage. In this embodiment, the hot press roller is a silica gel roller to prevent resin from adhering to the hot press roller, and hot oil is introduced into both the hot press roller and the heating roller. In this embodiment, the impregnation device 4 includes four heating rollers and two hot-pressing rollers 45, and the four heating rollers are respectively: the prepreg 9 is horizontally led from the gluing device 3 to the first heating roller 41, is wound on the first heating roller 41, the second heating roller 42, the third heating roller 43 and the fourth heating roller 44 in sequence, and is then led to the cooling device 6 for cooling.

The lifting device 46 includes: locate the fixed plate 461, connecting plate 462 and the cylinder 463 of frame 1 both sides, the bottom of cylinder 463 articulates on frame 1, the one end of connecting plate 462 is articulated with fixed plate 461, the other end is articulated with the piston rod of cylinder 463, hot pressing roller 45 locates between the connecting plate 462 of frame 1 both sides, the axle head of hot pressing roller 45 passes through bearing frame 464 and installs on connecting plate 462, the other end of cylinder 463 drive connecting plate 462 rotates around fixed plate 461, and then realizes the reciprocating of hot pressing roller 45.

The cooling device 6 comprises a cooling disc 61 with an inclined surface on the upper surface, and under the condition of the same floor space, the upper surface area of the cooling disc 61 is larger than that of the cooling disc 61 with the horizontal surface on the upper surface, so that the floor space of the device is reduced, and the cooling effect of the prepreg 9 is improved.

The film coating device 5 includes: go up PE film unwinding device 51, lower PE film unwinding device 52, go up PE film carry over pinch rolls 53 and lower PE film carry over pinch rolls 54, lower PE film carry over pinch rolls 54 locates the front end of cooling device 6, the top of lower PE film carry over pinch rolls 54 is located the coplanar with the upper surface of cooling disc 61, it is the cooling roll to go up PE film carry over pinch rolls 53, go up PE film carry over pinch rolls 53 and locate the rear end of cooling device 6, the bottom of going up PE film carry over pinch rolls 53 is in the coplanar with the upper surface displacement of cooling disc 61, lower PE film on the lower PE film unwinding device 52 is from the below feeding PE film carry over pinch rolls 54 down of prepreg 9, go up the last PE film on the PE film unwinding device 51 and feed into upper PE film carry over pinch rolls 53 from the top of prepreg 9. Compared with the method of simultaneously coating PE films on two sides of the prepreg 9, the film coating method of the utility model has the advantages that the problem of slippage between the PE films and the prepreg 9 is avoided, the production speed of the prepreg 9 is improved, meanwhile, because the prepreg 9 passes through the upper surface of the cooling disc 61 and the lower surface of the prepreg 9 is cooled, the PE films are coated on the lower surface of the prepreg 9 before the prepreg 9 is cooled, the film coating effect is better, the resin of the prepreg 9 can be prevented from being adhered to the cooling disc 61, the PE films are coated on the upper surface of the prepreg 9 after the prepreg is cooled by the cooling disc 61, and meanwhile, the prepreg 9 is cooled from the upper surface of the prepreg 9 by the upper PE film traction roller 53, so that the cooling effect of the prepreg 9 is improved.

In this embodiment, the prepreg 9 is drawn obliquely upward from the fourth heating roller 44 to the lower PE film drawing roller 54, the lower surface of the prepreg 9 is covered with a PE film at the lower PE film drawing roller 54, then drawn to the cooling tray 61 for cooling, drawn to the upper PE film drawing roller 53, covered with a PE film at the upper surface of the prepreg 9, cooled, and finally drawn to the winding device 7 for winding.

While the utility model 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 utility model as defined by the appended claims.

Claims

1. A dry prepreg production apparatus, comprising: the woven cloth on the unwinding device is sequentially molded into prepreg through the gluing device, the gumming device, the laminating device and the cooling device, and finally the prepreg is wound by the winding device;

the gumming device include: a plurality of warming mill and hot press roller, the warming mill from last to arranging in proper order down, from the past to the back, hot press roller pass through elevating gear and locate the top and/or the below of warming mill, prepreg from last to down, from the past to the back in proper order around establishing the warming mill, and prepreg pass through between warming mill and hot press roller.

2. The dry prepreg manufacturing apparatus according to claim 1, wherein the impregnation device comprises: a first heating roller, a second heating roller, a third heating roller and a fourth heating roller which are sequentially wound with the prepreg; the second heating roller is arranged below the first heating roller, the third heating roller is arranged at the rear end of the second heating roller, the fourth heating roller is arranged below the third heating roller, and a hot pressing roller is arranged below the second heating roller and the fourth heating roller.

3. The dry prepreg manufacturing apparatus according to claim 1, wherein the gluing device comprises: the glue melting device comprises an adjusting roller, a fixed roller and a glue roller which are sequentially arranged adjacently, and a glue melting mechanism arranged above the adjusting roller and the fixed roller; the glue melting mechanism melts and drips the resin on the mutual matching surface of the adjusting roller and the fixing roller, the woven cloth is wound on the glue roller, and the fixing roller coats the resin on the surface of the woven cloth.

4. The dry prepreg production apparatus according to claim 1, wherein the cooling device comprises a cooling tray, and the upper surface of the cooling tray is an inclined surface.

5. The dry prepreg production apparatus according to claim 4, wherein the end of the cooling plate far from the winding device is higher than the end close to the winding device; the film covering device comprises: the device comprises an upper PE film unreeling device, a lower PE film unreeling device, an upper PE film drawing roller and a lower PE film drawing roller; the lower PE film drawing roller is arranged at the front end of the cooling device, the top of the lower PE film drawing roller and the upper surface of the cooling disc are positioned on the same plane, and a lower PE film on the lower PE film unreeling device is fed into the lower PE film drawing roller from the lower part of the prepreg; the upper PE film drawing roll is arranged at the rear end of the cooling device and is a cooling roll, the bottom of the upper PE film drawing roll and the upper surface of the cooling disc are located in the same plane, and the upper PE film on the upper PE film unwinding device is fed into the upper PE film drawing roll from the upper side of the prepreg.

6. The dry prepreg manufacturing apparatus according to claim 1, wherein the lifting device comprises: the hot-pressing roller comprises a fixing plate, a connecting plate and a cylinder which are arranged on two sides of the rack, wherein the bottom of the cylinder is hinged to the rack, one end of the connecting plate is hinged to the fixing plate, the other end of the connecting plate is hinged to a piston rod of the cylinder, the hot-pressing roller is arranged between the connecting plates on the two sides of the rack, and the shaft end of the hot-pressing roller is installed on the connecting plate through a bearing seat.

7. The dry prepreg manufacturing apparatus according to claim 1, wherein the unwinding device comprises: unreel roller and a plurality of tensioning roller, tensioning roller locate the rear end of unreeling the roller, tensioning roller be located the below of rubber coating device.