CN112917810B

CN112917810B - Mold closing forming process and device for composite material

Info

Publication number: CN112917810B
Application number: CN202110078675.8A
Authority: CN
Inventors: 刘汝斌; 刘超; 杨士超
Original assignee: Jiangsu Hengyun Xingda New Material Technology Co ltd
Current assignee: Jiangsu Hengyun Xingda New Material Technology Co.,Ltd.
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-01-18
Anticipated expiration: 2041-01-21
Also published as: CN112917810A

Abstract

The utility model discloses a mold closing forming process and device for composite materials, and the mold closing forming process and device comprise a mold closing device, wherein a material injection device is fixedly connected to the side end position of the mold closing device, the mold closing device comprises a closing component and a conducting component, the conducting component is arranged at the bottom of the inner end of the mold closing device, the upper end position of the center of the conducting component is fixedly connected with the closing component, the closing component comprises a working end, a hydraulic telescopic device and a supporting end, the hydraulic telescopic device is symmetrically connected to two sides of the bottom of the inner end of the closing component, the upper end position of the hydraulic telescopic device is provided with the working end, the lower end of the center of the working end is fixedly connected with the supporting end, the working end comprises a closing connecting module and a displacement module, the displacement module is arranged at the top position of the inner end of the working end, and the closing connecting module is in threaded connection with the lower end position of the displacement module. The utility model relates to a mold closing forming process and device for composite materials, which achieve the purpose of closing a mold at the inner end through the arrangement of a mold closing device.

Description

Mold closing forming process and device for composite material

Technical Field

The utility model relates to the technical field of composite material mold closing forming equipment, in particular to a composite material mold closing forming process and device.

Background

According to the Chinese patent No. CN102581921B, the utility model discloses a pneumatic pouring mold opening and closing device, which structurally comprises a plurality of interactive mold opening and closing units; the mold opening and closing unit comprises a driving cylinder, a fixed frame and a mold arranged on the outer side of the fixed frame; the mould comprises an outer layer mould framework and an inner layer template; the top of the mould is provided with a translation mechanism, the translation mechanism comprises a cantilever beam rail, a pulley and a pulley seat, one end of the cantilever beam rail is fixed on the fixed frame, and the pulley is fixed on the top of the mould through the pulley seat; the pulley is in sliding fit with the cantilever beam track; the cylinder body of the driving cylinder is fixed on the fixing frame, and the piston rod of the driving cylinder is fixedly connected with the inner layer template. Compared with the prior art, the automatic mold closing and opening device has the advantages that the driving air cylinder, the cantilever beam rail and the pulley are matched with each other, so that the automatic mold closing and opening of the mold are completed, and the automatic mold closing and opening device has the characteristics of simple structure, easiness in operation and high working efficiency.

According to the Chinese patent No. CN206750822U, the utility model relates to the technical field of seat production and manufacturing, in particular to an automatic mold closing device for seat foaming, which comprises a reciprocating trolley, a chain track, a trolley track, a driving motor, a motor protection frame, a lower limit buffer, a lower limit switch, a driving chain, an upper limit buffer, an upper limit switch, a safety flap switch, a safety track, a driven sprocket, a driving sprocket, an installation base and a chain tensioning device.

The composite material closed mold forming process and the device can help to perform composite material closed mold forming work, the closed mold forming work is realized through internal part control, the closed mold forming process is a process method for forming composite material components under the condition that a female mold and a male mold are closed, technologies such as SMC, BMC (bulk molding compound), injection molding, RTM (resin transfer molding), VEC (resin transfer molding) and the like belong to the closed mold forming process, the open mold forming composite material is increasingly limited due to formulation of environmental laws and improvement of product requirements, the application of the closed mold forming technology is promoted, in recent years, the innovation and the development of the RTM technology are particularly promoted, RTM refers to a process technology for flowing low-viscosity resin in a closed mold, infiltrating reinforcing materials and curing and forming, and belongs to the technical field of liquid forming or structural liquid forming of composite materials. The specific method is that a reasonably designed, cut or mechanically preformed reinforcing material is put into a designed mould in advance, the mould needs to be sealed and fastened at the periphery, and the smooth flowing of resin is ensured; after the mold is closed, a certain amount of resin is injected, and after the resin is cured, the desired product can be obtained by demolding, but the prior mold closing forming process and device for the composite material still have the following problems:

the phenomenon that continuous operation is inconvenient to carry out exists, and the production operation that is unfavorable for concentrating can cause certain operation inconvenience, still has the production that is inconvenient for carry out inner integrated into one piece simultaneously, is unfavorable for carrying out the processing output of integration, needs to improve.

Disclosure of Invention

The present invention is directed to a process and an apparatus for closed mold forming of composite materials, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a closed-mold forming process for composite materials, comprising the steps of:

s1, pouring the crushed composite material raw materials into a container, heating and stirring at the same time until mixed slurry is obtained;

s2, controlling the female die frame and the core die to move to close the die, communicating the material injection bent pipe with the rear end of the female die frame, injecting mixed slurry into the cavity in the core die through the material injection bent pipe, and filling the whole cavity with the mixed slurry through the fluidity of the mixed slurry and external vibration;

s3, gradually heating the core mold until the mixed slurry is solidified;

and S4, cooling at room temperature for 20-30min after the mixed slurry is solidified and solidified, and then controlling the female die frame and the core die to be separated for die stripping.

Preferably, the composite material raw materials in the step S1 include, by weight: 70-90 parts of phenolic epoxy resin, 5-8 parts of epoxy acrylate, 6-10 parts of carbon fiber, 1-3 parts of 1, 4-butanediol diglycidyl ether and 1-3 parts of n-butyl alcohol.

A mold closing and forming process and device for composite materials comprise a mold closing device, wherein a material injection device is fixedly connected to the side end of the mold closing device;

the mold closing device comprises a closing component and a conducting component, the conducting component is arranged at the bottom of the inner end of the mold closing device, and the upper end of the center of the conducting component is fixedly connected with the closing component;

the closing assembly comprises a working end, a hydraulic telescopic device and a supporting end, the hydraulic telescopic device is symmetrically connected to two sides of the bottom of the inner end of the closing assembly, the upper end of the hydraulic telescopic device is provided with the working end, and the lower center end of the working end is fixedly connected with the supporting end;

the working end comprises a closed connecting module and a displacement module, the displacement module is arranged at the top of the inner end of the working end, and the closed connecting module is in threaded connection with the lower end of the displacement module;

the closed connecting module comprises a conduction connector, an adaptive sliding frame and a female die frame, the female die is erected at the bottom of the inner end of the closed connecting module, the side end of the female die frame is fixedly connected with the adaptive sliding frame, and the upper end of the adaptive sliding frame is fixedly connected with the conduction connector;

the displacement module comprises an installation disc frame, a threaded rod, a sleeve frame, a connecting fluted disc, a fixed seat frame and a double-head motor, wherein the double-head motor is installed at the central position of the inner end of the displacement module, the side end of the double-head motor is arranged in a penetrating way with the fixed seat frame, the top end of the double-head motor is rotatably connected with the installation disc frame, the side end of the installation disc frame is rotatably connected with the connecting fluted disc, the side end of the connecting fluted disc is rotatably connected with the threaded rod, and the bottom end of the threaded rod is sleeved with the sleeve frame;

the supporting end comprises a cross rod frame, a side rod frame, a supporting plate frame, a stand rod, a reinforcing shaft frame and a central shaft barrel frame, the central shaft barrel frame is arranged at the bottom of the inner end of the supporting end, the side end of the central shaft barrel frame is fixedly connected with the reinforcing shaft frame, the upper end of the central shaft barrel frame is fixedly connected with the stand rod, the upper end of the stand rod is fixedly connected with the cross rod frame, the side end of the cross rod frame is fixedly connected with the supporting plate frame, and the side end of the supporting plate frame is fixedly connected with the side rod frame;

the conduction assembly comprises an outlet end, a sliding support frame, a connecting plate frame, a fixed connecting plate and a bottom plate shaft frame, wherein the bottom plate shaft frame is arranged at the bottom position of the inner end of the conduction assembly, the upper end position of the bottom plate shaft frame is fixedly connected with the sliding support frame, the rear end position of the sliding support frame is fixedly connected with the outlet end, the central position of the sliding support frame is fixedly connected with the connecting plate frame, and the bottom end position of the connecting plate frame is fixedly connected with the fixed connecting plate;

annotate the material device including annotating material return bend, a conduction section of thick bamboo, pan feeding return bend, buffering tank tower and central storage frame, the inner both sides at annotating the material device are established to buffering tank tower symmetry, the top and the pan feeding return bend of buffering tank tower are linked together, the side position and the conduction section of thick bamboo of buffering tank tower are linked together the setting, the side position and the central storage frame of a conduction section of thick bamboo are linked together the setting, the top position and the notes material return bend of central storage frame are linked together the setting.

Preferably, the inner end of the material injection device is fixedly connected with the side end of the bottom plate shaft bracket through a buffer barrel bracket.

Preferably, a hole body structure matched with the material injection bent pipe is arranged at the rear end position of the female die frame.

Preferably, the outlet end of the inner end of the conducting assembly is in limit contact with the top of the hydraulic telescopic device.

Preferably, the threads on the threaded rod at the inner end of the displacement module are arranged in a centrosymmetric reverse manner.

Preferably, the double-end motor is in threaded connection with the conduction connector through a threaded rod.

Preferably, the cross bar frame at the inner end of the supporting end is fixedly connected with the fixed seat frame.

Preferably, the mold closing device further comprises a top plate sleeve, a stand column supporting plate, a heating rod and a mounting support, the stand column supporting plate is arranged at the side end position of the buffer barrel frame, the upper end position of the stand column supporting plate is fixedly connected with the mounting support, the upper end position of the mounting support is fixedly connected with the top plate sleeve, and the heating rod is electrically connected to the bottom position of the mounting support.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a, through the installation mould closing device, mould closing device help carries out inner close work, realizes inside closed processing, and the help carries out mutually supporting of mould, realizes inner fastening connection, and conveniently carries out the setting of integration, realizes the built-in installation of mould, and for laying of mould provides necessary space, helps carrying out the quick closure of mould, makes things convenient for inside mould closing molding process, is convenient for carry out quick use, conveniently carries out holistic installation simultaneously.

Second, annotate the material device through the installation, annotate the material device help and carry out inside notes material work, through annotating material device and external being connected, realize with external intercommunication, through annotating the conduction setting of material device inner, realize inside intercommunication, through the inner notes material return bend with close the mould device and communicate the setting, realize the cooperation intercommunication relation each other, help carrying out inside intercommunication and handle, realize the processing setting of integration.

Thirdly, close ejector plate cover, stand backup pad, heating rod and the installing support of mould device inner through the installation, ejector plate cover, stand backup pad, heating rod and installing support help carry out inside intensification work, provide the temperature that needs for the quick reaction of mould, guarantee that the inside material body of mould carries out quick even dispersion and open, help carrying out holistic setting of pouring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of the closed mold forming process of the present invention;

FIG. 2 is a schematic structural diagram of the main body of the present invention;

FIG. 3 is a schematic structural diagram of the mold closing apparatus of the present invention;

FIG. 4 is a schematic view of the closure assembly of the present invention;

FIG. 5 is a schematic structural view of the working end of the present invention;

FIG. 6 is a schematic structural diagram of a closed connecting module according to the present invention;

FIG. 7 is a schematic structural diagram of a displacement module according to the present invention;

FIG. 8 is a schematic view of the support end of the present invention;

FIG. 9 is a schematic structural view of a conductive assembly of the present invention;

FIG. 10 is a schematic structural view of the injection device of the present invention;

FIG. 11 is a schematic structural diagram of a mold closing apparatus according to a second embodiment of the present invention.

In the figure: 1-a mold closing device; 2-a material injection device; 3-a closure assembly; 4-a conductive component; 5-a working end; 6-a hydraulic telescopic device; 7-a support end; 8-a closed connection module; 9-a displacement module; 10-a conductive connector; 11-adapting the carriage; 12-negative mould base; 13-mounting a tray frame; 14-a threaded rod; 15-a sleeve mount; 16-connecting a fluted disc; 17-a stationary mount; 18-a double-ended motor; 19-a crossbar frame; 20-side bar frame; 21-a support plate frame; 22-a post rod; 23-reinforcing the shaft bracket; 24-central shaft barrel holder; 25-an outlet end; 26-a sliding support frame; 27-a connection plate frame; 28-fixing the connecting plate; 29-baseplate pedestal; 30-material injection bent pipe; 31-a conductive cylinder; 32-feeding a bent pipe; 33-buffer bucket rack; 34-a central storage rack; 35-top plate sleeve; 36-column support plates; 37-a heating rod; 38-mounting the bracket.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The utility model is further described below with reference to the accompanying drawings.

Example 1

A closed mold forming process for composite materials, as shown in fig. 1, comprising the steps of:

and S3, gradually heating the core mould until the mixed slurry is solidified.

And S4, cooling at room temperature for 30min after the mixed slurry is solidified and solidified, and then controlling the female die frame and the core die to be separated to perform die removal.

Preferably, the composite material raw materials in the step S1 include, by weight: 80 parts of phenolic epoxy resin, 6 parts of epoxy acrylate, 7 parts of carbon fiber, 2 parts of 1, 4-butanediol diglycidyl ether and 1.5 parts of n-butyl alcohol.

A closed mold forming process and a device for composite materials are disclosed, as shown in figure 2, and comprise a closed mold device 1, wherein a material injection device 2 is fixedly connected to the side end position of the closed mold device 1;

as shown in fig. 3, the mold closing device 1 comprises a closing component 3 and a conducting component 4, wherein the conducting component 4 is arranged at the bottom of the inner end of the mold closing device 1, and the central upper end position of the conducting component 4 is fixedly connected with the closing component 3;

as shown in fig. 4, the closing assembly 3 comprises a working end 5, a hydraulic telescopic device 6 and a supporting end 7, the hydraulic telescopic device 6 is symmetrically connected to two sides of the bottom of the inner end of the closing assembly 3, the working end 5 is arranged at the upper end of the hydraulic telescopic device 6, and the lower center end of the working end 5 is fixedly connected with the supporting end 7;

as shown in fig. 5, the working end 5 comprises a closed connection module 8 and a displacement module 9, the displacement module 9 is arranged at the top position of the inner end of the working end 5, and the closed connection module 8 is in threaded connection with the lower end position of the displacement module 9;

as shown in fig. 6, the closed connection module 8 includes a conductive connector 10, an adaptive sliding frame 11 and a female mold frame 12, the female mold frame 12 is disposed at the bottom of the inner end of the closed connection module 8, the side end of the female mold frame 12 is fixedly connected to the adaptive sliding frame 11, and the upper end of the adaptive sliding frame 11 is fixedly connected to the conductive connector 10;

as shown in fig. 7, the displacement module 9 includes a mounting plate frame 13, a threaded rod 14, a sleeve frame 15, a connecting fluted disc 16, a fixed seat frame 17 and a double-head motor 18, the double-head motor 18 is mounted at the central position of the inner end of the displacement module 9, the side end of the double-head motor 18 is arranged to penetrate through the fixed seat frame 17, the top end of the double-head motor 18 is rotatably connected to the mounting plate frame 13, the side end of the mounting plate frame 13 is rotatably connected to the connecting fluted disc 16, the side end of the connecting fluted disc 16 is rotatably connected to the threaded rod 14, and the bottom end of the threaded rod 14 is sleeved with the sleeve frame 15;

as shown in fig. 8, the supporting end 7 includes a cross bar frame 19, a side bar frame 20, a supporting bar frame 21, a column bar 22, a reinforcing shaft frame 23 and a central shaft frame 24, the central shaft frame 24 is disposed at the bottom position of the inner end of the supporting end 7, the side end of the central shaft frame 24 is fixedly connected to the reinforcing shaft frame 23, the upper end of the central shaft frame 24 is fixedly connected to the column bar 22, the upper end of the column bar 22 is fixedly connected to the cross bar frame 19, the side end of the cross bar frame 19 is fixedly connected to the supporting bar frame 21, and the side end of the supporting bar frame 21 is fixedly connected to the side bar frame 20;

as shown in fig. 9, the conducting assembly 4 includes an outlet end 25, a sliding support frame 26, a connecting plate frame 27, a fixed connecting plate 28 and a bottom plate shaft frame 29, the bottom plate shaft frame 29 is arranged at the bottom position of the inner end of the conducting assembly 4, the upper end position of the bottom plate shaft frame 29 is fixedly connected with the sliding support frame 26, the rear end position of the sliding support frame 26 is fixedly connected with the outlet end 25, the central position of the sliding support frame 26 is fixedly connected with the connecting plate frame 27, and the bottom end position of the connecting plate frame 27 is fixedly connected with the fixed connecting plate 28;

as shown in fig. 10, the material injecting device 2 includes a material injecting elbow 30, a conducting tube 31, a material feeding elbow 32, a buffering barrel frame 33 and a central storage frame 34, the buffering barrel frame 33 is symmetrically disposed at two sides of the inner end of the material injecting device 2, the top of the buffering barrel frame 33 is communicated with the material feeding elbow 32, the side end of the buffering barrel frame 33 is communicated with the conducting tube 31, the side end of the conducting tube 31 is communicated with the central storage frame 34, and the top of the central storage frame 34 is communicated with the material injecting elbow 30.

The inner end of the material injection device 2 is fixedly connected with the side end position of the bottom plate shaft bracket 29 through a buffer barrel bracket 33, the rear end position of the female die bracket 12 is provided with a hole body structure matched with the material injection bent pipe 30, the outlet end 25 of the inner end of the conduction assembly 4 is in limited contact with the top of the hydraulic telescopic device 6, threads on the threaded rod 14 of the inner end of the displacement module 9 are arranged in a central symmetry reverse mode, the double-head motor 18 is in threaded connection with the conduction connector 10 through the threaded rod 14, and the cross rod bracket 19 of the inner end of the supporting end 7 is fixedly connected with the fixed seat frame 17.

In the embodiment, when the injection molding machine is used, the sliding support frame 26 at the inner end of the conduction assembly 4 is used for pushing the mold core, when the mold core reaches the position of the hydraulic expansion device 6 through the outlet end 25, the hydraulic expansion device 6 is started, the mold core is pushed to the position of the closed connection module 8, the conduction connector 10 at the upper end of the closed connection module 8 is connected with the displacement module 9, the double-head motor 18 at the inner end of the displacement module 9 is used for driving the threaded rod 14 to rotate, the female mold frames 12 are symmetrically arranged, two female mold frames are arranged in each group, opposite movement can be carried out on the threaded rod 14, the closing work of the mold core at the upper end is realized, the inner closing is carried out through alignment, then the feeding elbow 32 is communicated with the outside, the feeding work at the inner end is realized, the material body of the feeding elbow 32 reaches the position of the conduction cylinder 31 through the buffer barrel frame 33, through the conveying of central storage frame 34, be connected to and annotate material return bend 30 position department, annotate material return bend 30 and carry out the intercommunication setting with the rear end position of female die frame 12, realize inside feed work, the production operation of integration is carried out in the help, and after the processing was accomplished, back drive double-end motor 18, double-end motor 18 drive threaded rod 14 rotates for female die frame 12 opens and shuts, later takes out the mold core, carries out the processing production operation of next time.

In the using process, the inner end is driven by the displacement module 9, the double-head motor 18 drives the threaded rod 14 to rotate, the female die frame 12 connected to the threaded rod 14 can move oppositely through the thread arrangement on the threaded rod 14, the internal closing work is realized, the side end of the female die frame 12 is in sliding limit connection with the side lever frame 20 through the adaptive sliding frame 11, the support of the side end position is realized, the displacement transmission work of the inner end is facilitated, the inner end of the support end 7 is supported at the bottom position through the upright post rod 22, the reinforcing shaft frame 23 and the central shaft barrel frame 24, the integral bearing work of the support end 7 is facilitated, the cross rod frame 19 at the upper end position is in direct contact with the fixed seat frame 17, the fixed mounting function of the displacement module 9 is realized, the inner end of the conduction assembly 4 is supported at the bottom position through the bottom plate shaft frame 29, the sliding support frame 26 at the upper end can help to transmit articles, and the outlet end 25 at the rear end is matched with the hydraulic telescopic device 6, so that the hydraulic telescopic device 6 can push the mold core to move upwards, connection setting at the inner end is realized, and integrated processing and production are convenient to carry out.

Example 2

In addition to embodiment 1, as shown in fig. 11, the mold closing apparatus 1 further includes a top plate sleeve 35, an upright support plate 36, a heating rod 37 and a mounting bracket 38, wherein the upright support plate 36 is disposed at a side end position of the buffer barrel rack 33, an upper end position of the upright support plate 36 is fixedly connected to the mounting bracket 38, an upper end position of the mounting bracket 38 is fixedly connected to the top plate sleeve 35, and the heating rod 37 is electrically connected to a bottom position of the mounting bracket 38.

When the heating device is used, a user can be electrically connected with the outside through the heating rod 37, the top plate sleeve 35 and the mounting support 38 help to install the heating rod 37, the heating rod 37 is installed, the bottom end of the mounting support 38 is fixedly connected with the side end of the buffer barrel rack 33 through the upright support plate 36, mutual supporting and mounting work is achieved, temperature rise of the inner end is facilitated, and integral transmission of material bodies is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A closed-die forming process for composite materials, which is characterized by comprising the following steps:

s3, gradually heating the core mold until the mixed slurry is solidified;

s4, cooling at room temperature for 20-30min after the mixed slurry is solidified, and then controlling the female die frame and the core die to be separated to remove the die;

the composite material in the step S1 comprises the following raw materials in parts by weight: 70-90 parts of phenolic epoxy resin, 5-8 parts of epoxy acrylate, 6-10 parts of carbon fiber, 1-3 parts of 1, 4-butanediol diglycidyl ether and 1-3 parts of n-butyl alcohol;

the composite material mold closing forming device for realizing the mold closing forming process comprises a mold closing device (1), wherein a material injection device (2) is fixedly connected to the side end position of the mold closing device (1);

the mold closing device (1) comprises a closing component (3) and a conducting component (4), the conducting component (4) is arranged at the bottom of the inner end of the mold closing device (1), and the upper end of the center of the conducting component (4) is fixedly connected with the closing component (3);

the closing assembly (3) comprises a working end (5), hydraulic telescopic devices (6) and a supporting end (7), the hydraulic telescopic devices (6) are symmetrically connected to two sides of the bottom of the inner end of the closing assembly (3), the working end (5) is arranged at the upper end of each hydraulic telescopic device (6), and the lower center end of each working end (5) is fixedly connected with the supporting end (7);

the working end (5) comprises a closed connecting module (8) and a displacement module (9), the displacement module (9) is arranged at the top of the inner end of the working end (5), and the closed connecting module (8) is in threaded connection with the lower end of the displacement module (9);

the closed connecting module (8) comprises a conduction connector (10), an adaptive sliding frame (11) and a female die frame (12), the female die frame (12) is arranged at the bottom of the inner end of the closed connecting module (8), the side end of the female die frame (12) is fixedly connected with the adaptive sliding frame (11), and the upper end of the adaptive sliding frame (11) is fixedly connected with the conduction connector (10);

the displacement module (9) comprises an installation plate frame (13), a threaded rod (14), a sleeve frame (15), a connection fluted disc (16), a fixed seat frame (17) and a double-head motor (18), wherein the double-head motor (18) is installed at the central position of the inner end of the displacement module (9), the side end of the double-head motor (18) is arranged in a penetrating manner with the fixed seat frame (17), the top end of the double-head motor (18) is rotatably connected with the installation plate frame (13), the side end of the installation plate frame (13) is rotatably connected with the connection fluted disc (16), the side end of the connection fluted disc (16) is rotatably connected with the threaded rod (14), and the bottom end of the threaded rod (14) is sleeved with the sleeve frame (15);

the supporting end (7) comprises a cross rod frame (19), a side rod frame (20), a supporting plate frame (21), a stand column rod (22), a reinforcing shaft frame (23) and a central shaft barrel frame (24), the central shaft barrel frame (24) is arranged at the bottom of the inner end of the supporting end (7), the side end of the central shaft barrel frame (24) is fixedly connected with the reinforcing shaft frame (23), the upper end of the central shaft barrel frame (24) is fixedly connected with the stand column rod (22), the upper end of the stand column rod (22) is fixedly connected with the cross rod frame (19), the side end of the cross rod frame (19) is fixedly connected with the supporting plate frame (21), and the side end of the supporting plate frame (21) is fixedly connected with the side rod frame (20);

the conduction assembly (4) comprises an outlet end (25), a sliding support frame (26), a connecting plate frame (27), a fixed connecting plate (28) and a bottom plate shaft frame (29), the bottom plate shaft frame (29) is arranged at the bottom position of the inner end of the conduction assembly (4), the upper end position of the bottom plate shaft frame (29) is fixedly connected with the sliding support frame (26), the rear end position of the sliding support frame (26) is fixedly connected with the outlet end (25), the central position of the sliding support frame (26) is fixedly connected with the connecting plate frame (27), and the bottom end position of the connecting plate frame (27) is fixedly connected with the fixed connecting plate (28);

annotate material device (2) including annotating material return bend (30), conduction tube (31), pan feeding return bend (32), buffering bucket rack (33) and central storage frame (34), the inner both sides in annotating material device (2) are established to buffering bucket rack (33) symmetry, the top and the pan feeding return bend (32) of buffering bucket rack (33) are linked together, the side position of buffering bucket rack (33) is linked together the setting with conduction tube (31), the side position and the central storage frame (34) of conduction tube (31) are linked together the setting, the top position and the notes material return bend (30) of central storage frame (34) are linked together the setting.

2. A closed-mould forming process for composite materials according to claim 1, characterized in that: the inner end of the material injection device (2) is fixedly connected with the side end position of the bottom plate shaft bracket (29) through a buffer barrel bracket (33).

3. A closed-mould forming process for composite materials according to claim 2, characterized in that: and a hole body structure matched with the material injection bent pipe (30) is arranged at the rear end position of the female die frame (12).

4. A closed-mould forming process for composite materials according to claim 3, characterized in that: the outlet end (25) at the inner end of the conduction assembly (4) is in limit contact with the top of the hydraulic telescopic device (6).

5. A closed-mould forming process for composite materials according to claim 4, characterized in that: the threads on the threaded rod (14) at the inner end of the displacement module (9) are arranged in a centrosymmetric reverse mode.

6. A closed-mould forming process for composite materials according to claim 5, characterized in that: the double-head motor (18) is in threaded connection with the conduction connector (10) through a threaded rod (14).

7. A closed-mould forming process for composite materials according to claim 6, characterized in that: the cross bar frame (19) at the inner end of the supporting end (7) is fixedly connected with the fixed seat frame (17).

8. A closed-mould forming process for composite materials according to claim 7, characterized in that: the mold closing device (1) further comprises a top plate sleeve (35), an upright post supporting plate (36), a heating rod (37) and a mounting support (38), wherein the upright post supporting plate (36) is arranged at the side end position of the buffer barrel frame (33), the upper end position of the upright post supporting plate (36) is fixedly connected with the mounting support (38), the upper end position of the mounting support (38) is fixedly connected with the top plate sleeve (35), and the heating rod (37) is electrically connected to the bottom position of the mounting support (38).