Intra-membrane compounding device for composite material one-way belt

By designing the lower and upper mold components, the problems of fiber misalignment and entanglement were solved, enabling uniform compounding and high-quality production of unidirectional composite tapes, and improving the density and strength of the unidirectional tapes.

CN223559125UActive Publication Date: 2025-11-18JIANGSU WEIFUTE NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202423064403.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-18
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

In the intramural lamination device of composite material unidirectional tape, fibers are prone to misalignment and entanglement, resulting in uneven fiber distribution and affecting overall performance. Existing technologies make it difficult to monitor and adjust in real time.

Method used

The design employs a lower mold assembly and an upper mold assembly. The lower mold assembly includes a lower die and heating rollers, which work together with the conveying rollers to ensure uniform heat transfer and material compaction. The upper mold assembly, through the cooperation of an electric push rod and a column, ensures uniform pressure distribution.

Benefits of technology

It achieves uniform bonding between fiber and matrix materials, reduces internal voids and defects, improves the density and strength of unidirectional tape, and ensures production stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an in-mold compounding device of a composite material one-way belt, which comprises an upper mold assembly and a lower mold assembly, the lower mold assembly is arranged on the upper side surface of a base assembly, the upper mold assembly used for in-mold compounding of the composite material one-way belt is arranged above the lower mold assembly, and the lower mold assembly comprises a lower mold, the upper side surface of the lower mold is sunken downwards to form a mold groove, and a heating roller and a conveying roller are symmetrically mounted on the inner wall of the mold groove. The matched use of the conveying roller and the heating roller is beneficial for controlling the quality of the one-way belt, the conveying roller can enable the one-way belt and the heating roller to keep proper contact in the conveying process, uniform heat transfer is ensured, meanwhile, the compaction of materials is also facilitated, and therefore fibers and base materials can be better combined, and the production efficiency is improved. Internal gaps and defects are reduced, and the density and strength of the unidirectional belt are improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of composite equipment, in particular to a film in composite device of composite material unidirectional tape. BACKGROUND

[0002] The film in composite device of composite material unidirectional tape is a kind of equipment specially used to manufacture composite material unidirectional tape, and there are many drawbacks in current film in composite device of composite material unidirectional tape.In the fiber unwinding and conveying link, there is no effective limiting, and fiber is prone to deviation, winding and other situations.Fiber is drawn out from the unwinding mechanism, and lacks lateral restraint, and when tension changes or equipment slightly vibrates, it will deviate from the predetermined path, resulting in uneven distribution when entering the composite area.This can make the local fiber content of unidirectional tape too high or too low, affecting overall performance.The conventional method is to check and manually adjust regularly, but this cannot be monitored in real time, and it is difficult to ensure that the fiber is always in the correct position in long-time continuous production, so a new structure is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a film in composite device of composite material unidirectional tape to solve the problems raised in the background art.

[0004] The utility model realizes the following technical scheme: a film in composite device of composite material unidirectional tape, comprising: upper die assembly and lower die assembly, the lower die assembly is installed on the upper side surface of base assembly, the upper side surface of lower die assembly is installed with the upper die assembly for the film in composite of composite material unidirectional tape, the lower die assembly includes: lower die, the upper side surface of lower die is recessed downward and forms die groove, heating roller and conveying roller are symmetrically installed on the inner wall of die groove, the upper die assembly includes: upper die, the upper side surface of upper die is installed with the mounting plate for lifting, the upper side surface of mounting plate is symmetrically installed with two electric push rods, the electric push rod is installed on the surface of cover plate, four upright columns are installed on the lower side surface of cover plate, the mounting plate is slidably installed on the outer side surface of upright column.

[0005] As a preferred embodiment, the base assembly includes: base frame and bottom plate, the bottom plate is installed with base frame on the lower side surface, the lower die is installed on the upper side surface center position of bottom plate, and one stand is installed on the upper side surface four corners of lower die respectively.

[0006] As a preferred implementation, the bottom of the mold groove of the lower mold is designed in an arc structure, and the front and rear inner walls of the mold groove are uniformly provided with a plurality of heating rollers and conveying rollers, and gaps are arranged between the heating rollers and the conveying rollers.

[0007] As a preferred implementation, the upper side surfaces of the four stands are respectively provided with a stand column, and the stand columns are connected to the four corners of the lower side surface of the cover plate away from the stands, and the upper side surface of the cover plate is symmetrically provided with two electric push rods, and the telescopic rods of the electric push rods are connected to the upper side surface of the mounting plate through the surface of the cover plate, and in use, the four stand columns on the lower side surface of the cover plate penetrate the mounting plate, which ensures the stability of the upper mold during lifting, and when the electric push rods push the mounting plate and the upper mold to descend, the stand columns play a guiding role, so that the upper mold can be pressed vertically to the lower mold assembly, which can ensure that the pressure is evenly distributed on the surface of the composite unidirectional tape, avoiding the situation that the local pressure is too large or too small.

[0008] As a preferred implementation, the lower side surface of the mounting plate is provided with an upper mold at the center position, the upper side surface of the mounting plate is provided with a feeding pipe, and the left and right side surfaces of the mounting plate are respectively provided with a fixed plate.

[0009] As a preferred implementation, the lower side surface of the fixed plate and the upper side surface of the bottom plate are respectively provided with a limiting roller, and the two limiting rollers are symmetrically arranged and have a gap therebetween, and the composite unidirectional tape is arranged between the two limiting rollers and between the heating rollers and the conveying rollers.

[0010] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: the lower mold assembly is arranged on the upper side surface of the base assembly, and the upper mold assembly for the in-film compounding of the composite unidirectional tape is arranged above the lower mold assembly, the lower mold assembly comprises: a lower mold, the upper side surface of the lower mold is concave downward to form a mold groove, and heating rollers and conveying rollers are symmetrically arranged on the inner wall of the mold groove, in use, the cooperation of the conveying rollers and the heating rollers is conducive to controlling the quality of the unidirectional tape, the conveying rollers can keep the unidirectional tape in proper contact with the heating rollers during conveying, ensuring uniform heat transfer, and also helping to compact the material, which can better combine the fibers and the matrix material, reduce internal voids and defects, and improve the density and strength of the unidirectional tape.

[0011] By setting the upper die assembly, the upper die assembly comprises: an upper die, the upper side surface of the upper die is provided with a mounting plate for lifting, the upper side surface of the mounting plate is symmetrically provided with two electric push rods, the electric push rods are installed on the surface of a cover plate, the lower side surface of the cover plate is provided with four columns, and the mounting plate is slidingly installed through the outer side surface of the columns; in use, the four columns installed on the lower side surface of the cover plate penetrate the mounting plate, and the structure ensures the stability of the upper die in the lifting process; when the electric push rods push the mounting plate and the upper die to descend, the columns play a guiding role, so that the upper die can be vertically pressed towards the lower die assembly, so that the uniform distribution of pressure on the surface of the entire composite unidirectional tape can be ensured, and the situation of excessive or insufficient local pressure can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Fig. 1 It is a whole structure schematic view of the film-in composite device of the composite unidirectional tape.

[0014] Fig. 2 It is a schematic view of the lower die assembly of the film-in composite device of the composite unidirectional tape.

[0015] In the figure, 100 is a base frame, and 110 is a base plate.

[0016] 200 is a lower die assembly, 210 is a lower die, 230 is a die groove, 240 is a heating roller, 250 is a conveying roller, and 260 is a stand.

[0017] 300 is a cover plate, 310 is an electric push rod, 320 is a column, 330 is a mounting plate, 340 is an upper die, 350 is a fixed plate, 360 is a limiting roller, and 370 is a feeding pipe. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] Please refer to Figs. 1-2The utility model provides a kind of technical scheme: a composite material unidirectional tape's film in composite device, comprising: upper die assembly and lower die assembly 200, lower die assembly 200 is installed on the upper side surface of base assembly, the upper side surface of lower die assembly 200 is installed with the upper die assembly for the film in composite of composite material unidirectional tape, lower die assembly 200 includes: lower mould 210, the upper side surface of lower mould 210 is concave and is formed with mould groove 230, heating roller 240 and conveying roller 250 are symmetrically installed in mould groove 230 inner wall, upper die assembly includes: upper mould 340, the upper side surface of upper mould 340 is installed with the mounting plate 330 for lifting, the upper side surface of mounting plate 330 is symmetrically installed with two electric push rods 310, electric push rod 310 is installed on the surface of cover plate 300, the lower side surface of cover plate 300 is installed with four stand columns 320, mounting plate 330 is slidably installed on the outer side surface of stand column 320.

[0020] Please refer to Figs. 1-2 , as the first embodiment of the utility model: base assembly includes: base frame 100 and bottom plate 110, the lower side surface of bottom plate 110 is installed with base frame 100, the upper side surface center position of bottom plate 110 is installed with lower mould 210, the upper side surface four corners of lower mould 210 are installed with one stand 260 respectively;

[0021] The bottom of mould groove 230 of lower mould 210 is arc structure design, the front inner wall and rear inner wall of mould groove 230 are evenly installed with multiple sets of heating roller 240 and conveying roller 250, gap is provided between heating roller 240 and conveying roller 250;

[0022] In use, the user first prepares the composite material unidirectional tape that needs to be prepared for composite film, and places it on the outer surface of the limiting roller 360. After the placement of the composite material unidirectional tape is completed, the composite material unidirectional tape is between the two limiting rollers 360 and inside the mold groove 230, and the composite material unidirectional tape is also arranged between the heating roller 240 and the conveying roller 250 inside the mold groove 230. At this time, the composite material unidirectional tape is conveyed in the mold groove 230 by the heating roller 240 and the conveying roller 250 (both the heating roller 240 and the conveying roller 250 are driven by a motor, and the specific working principle and structure are not described here), and after the upper mold assembly moves into the lower mold assembly 200, the film material that needs to be compounded is conveyed through the feeding pipe 370, and then the film-in composite operation of the composite material unidirectional tape is completed. Since the conveying roller 250 and the heating roller 240 are used in cooperation during use, it is beneficial to control the quality of the unidirectional tape. The conveying roller 250 can make the unidirectional tape maintain appropriate contact with the heating roller 240 during the conveying process, ensure uniform heat transfer, and also help to compact the material. In this way, the fiber and matrix material can be better combined, the internal voids and defects can be reduced, and the density and strength of the unidirectional tape can be improved.

[0023] Please refer to Figs. 1-2 As a second embodiment of the present application: the upper side surfaces of the four stands 260 are respectively provided with a stand column 320, and the stand column 320 is connected to the four corners of the lower side surface of the cover plate 300 away from the stand 260. The upper side surface of the cover plate 300 is symmetrically provided with two electric push rods 310, and the telescopic rod of the electric push rod 310 penetrates the surface of the cover plate 300 and is connected to the upper side surface of the mounting plate 330.

[0024] The lower side surface of the mounting plate 330 is provided with an upper mold 340 at the center position, and the upper side surface of the mounting plate 330 is provided with a feeding pipe 370. The left side surface and the right side surface of the mounting plate 330 are respectively provided with a fixed plate 350.

[0025] The lower side surface of the fixed plate 350 and the upper side surface of the bottom plate 110 are respectively provided with a limiting roller 360, and the two limiting rollers 360 are symmetrically arranged and have a gap between them. The composite material unidirectional tape is arranged between the two limiting rollers 360 and between the heating roller 240 and the conveying roller 250.

[0026] In use, after the composite unidirectional tape is placed inside the lower mold assembly 200 through the operation steps (immersion operation) of the first embodiment, the user can start the electric push rod 310, so that the telescopic rod of the electric push rod 310 extends, and the mounting plate 330 moves downward along the stand 320, so that the lower mold 210 on the lower side surface of the mounting plate 330 moves towards the inside of the mold, the lower mold 210 is a heated mold, and the lower side surface of the lower mold 210 moves to above the mold groove 230, at this time, the limiting roller 360 on the left side surface and the right side surface of the mounting plate 330 installed through the fixing plate 350 approaches the limiting roller 360 on the upper side surface of the bottom plate 110, so as to limit and fix the composite unidirectional tape between the two limiting rollers 360, and because the four stands 320 on the lower side surface of the cover plate 300 penetrate the mounting plate 330 in use, this structure ensures the stability of the upper mold 340 in the lifting process, when the electric push rod 310 pushes the mounting plate 330 and the upper mold 340 to descend, the stand 320 plays a guiding role, so that the upper mold 340 can be pressed vertically to the lower mold assembly 200, so as to ensure that the pressure is uniformly distributed on the surface of the entire composite unidirectional tape, and avoid the situation that the local pressure is too large or too small.

[0027] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An in-membrane composite device for a unidirectional composite material belt, comprising: The upper mold assembly and the lower mold assembly (200) are characterized in that the lower mold assembly (200) is mounted on the upper surface of the base assembly, and the upper mold assembly for in-film bonding of the composite material unidirectional tape is mounted above the lower mold assembly (200). The lower mold assembly (200) includes a lower mold (210), the upper surface of which is recessed downward to form a mold groove (230), and heating rollers (240) and conveying rollers (250) are symmetrically installed on the inner wall of the mold groove (230). The upper mold assembly includes an upper mold (340), the upper surface of which is equipped with a mounting plate (330) for lifting. Two electric push rods (310) are symmetrically installed on the upper surface of the mounting plate (330). The electric push rods (310) are installed on the surface of the cover plate (300). Four columns (320) are installed on the lower surface of the cover plate (300). The mounting plate (330) is slidably installed on the outer surface of the columns (320).

2. The in-membrane composite device for a unidirectional composite material belt as described in claim 1, characterized in that: The base assembly includes a base frame (100) and a base plate (110). The base frame (100) is mounted on the lower surface of the base plate (110). A lower mold (210) is mounted at the center of the upper surface of the base plate (110). A stand (260) is mounted at each of the four corners of the upper surface of the lower mold (210).

3. The in-membrane composite device for a unidirectional composite material belt as described in claim 1, characterized in that: The bottom of the mold groove (230) of the lower mold (210) is designed with an arc shape. Multiple sets of heating rollers (240) and conveying rollers (250) are evenly installed on the front inner wall and the rear inner wall of the mold groove (230). A gap is provided between the heating rollers (240) and the conveying rollers (250).

4. The in-membrane composite device for a unidirectional composite material belt as described in claim 2, characterized in that: Each of the four uprights (260) has a column (320) installed on its upper surface. The end of the column (320) away from the upright (260) is connected to the four corners of the lower surface of the cover plate (300). Two electric push rods (310) are symmetrically installed on the upper surface of the cover plate (300). The telescopic rod of the electric push rod (310) passes through the surface of the cover plate (300) and is connected to the upper surface of the mounting plate (330).

5. The in-membrane composite device for a unidirectional composite material belt as described in claim 4, characterized in that: An upper mold (340) is installed at the center of the lower surface of the mounting plate (330), a feed pipe (370) is installed on the upper surface of the mounting plate (330), and a fixing plate (350) is installed on the left and right surfaces of the mounting plate (330).

6. The in-membrane composite device for a unidirectional composite material belt as described in claim 5, characterized in that: The lower surface of the fixed plate (350) and the upper surface of the base plate (110) are respectively rotated by a limiting roller (360). The two limiting rollers (360) are symmetrically arranged and a gap is provided between the two limiting rollers (360). A composite material unidirectional belt is provided between the two limiting rollers (360) and between the heating roller (240) and the conveying roller (250).