Integrated workbench for continuous fiber preimpregnation production line

By optimizing the workbench structure of the continuous fiber prepreg production line, the problem of wetting thermoplastic resin materials in the fiber was solved, improving the impregnation effect and space utilization, and enhancing the strength of the composite material.

CN223849704UActive Publication Date: 2026-01-30JIANGSU UNIV OF SCI & TECH +1
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Patent Information

Application Number
CN202423215480.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2026-01-30
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In existing continuous fiber prepreg production equipment, thermoplastic resin materials are difficult to effectively impregnate into the continuous fibers within a limited time, resulting in poor impregnation effect and problems such as printing failure and insufficient strength of the final product.

Method used

Design an integrated workbench with a frame structure, including a wire feeding frame, a wire feeding guide frame, a mold mounting position, a sizing position, and a winding seat. By adjusting the fiber routing path, it can adapt to the longitudinal S-shaped impregnation channel mold, thereby improving space utilization and impregnation effect.

Benefits of technology

It improves the interfacial bonding quality between continuous fibers and thermoplastic resin, reduces porosity, enhances the mechanical properties of composite materials, and reduces the floor space required for the workbench.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated workbench for a continuous fiber preimpregnation production line. The integrated workbench comprises a pay-off rack, a pay-off guide rack, a mold mounting position, a sizing position and a winding seat, the pay-off rack comprises a pay-off supporting column and a pay-off rod, the pay-off guide rack is composed of a first guide column, a second guide column and a guide cross beam fixed to the top end of the first guide column and the top end of the second guide column, and a first guide wheel, a second guide wheel and a third guide wheel are sequentially installed on a beam body of the guide cross beam. The third guide wheel is installed on the portion, exceeding the first guide column, of the left end of the guide cross beam. The mold mounting position is arranged in the middle of the second guide column, the winding seat is arranged at the other end away from the mold mounting position, and the sizing position is arranged between the second guide column and the first guide column. By means of the mode, the requirement for structural optimization of the dipping mold can be met, and the occupied area of the workbench is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to continuous fiber pre-impregnated silk production equipment field especially, it is a kind of integrated workstation for continuous fiber pre-impregnated production line. BACKGROUND

[0002] In the independent extrusion type continuous fiber composite material FDM 3D printer, the printer is controlled by two independent nozzles, one nozzle is responsible for printing thermoplastic resin material, and the other nozzle is responsible for printing pre-impregnated silk made of carbon fiber, glass fiber and aramid fiber etc., when preparing continuous fiber silk, the transverse roller impregnation method is usually used, it is difficult to produce larger pressure at the outlet die, thermoplastic resin material cannot be effectively impregnated into the inner layer structure of continuous fiber in limited time, resulting in poor impregnation effect of continuous fiber pre-impregnated silk, and the phenomenon of breaking, plugging etc. is prone to occur in the process of 3D printing, and further causes printing failure. At the same time, when the continuous fiber pre-impregnated silk is used as 3D printing material, the strength of the final product is difficult to achieve the design effect, and the problem of thermoplastic resin aging is prone to occur. In order to solve the above problems, the special mold with longitudinal S type impregnation flow channel is used instead of the traditional impregnation roller, the thermoplastic resin material is better penetrated into the inside of continuous fiber bundle through the extrusion effect at longitudinal S type flow channel, and the air bubbles possibly existing in the inside of continuous fiber bundle are extruded, which helps to improve the interface bonding quality between continuous fiber-thermoplastic resin material, reduces the porosity in composite material, and improves the mechanical properties. However, the fiber inlet and fiber outlet of the mold are generally perpendicular in actual use, which determines that the structure of the existing traditional impregnation workstation cannot meet the use requirements of the optimized impregnation mold, and the overall structure needs to be re-optimized according to the use mode of the mold to meet the use requirements of the impregnation mold. CONTENT OF THE UTILITY MODEL

[0003] The utility model mainly solves the technical problem to provide a kind of integrated workstation for continuous fiber pre-impregnated production line, can meet the requirements of the impregnation mold optimized at the same time improve space utilization capacity.

[0004] To solve the above technical problems, the utility model adopts one technical scheme, which provides an integrated workbench for continuous fiber pre-impregnation production line, the integrated workbench is a frame structure as a whole, the workbench top of the integrated workbench is sequentially provided with a pay-off rack, a pay-off guide rack, a mold mounting position, a sizing position and a winding seat according to the wiring direction of the continuous fiber, the workbench top of the integrated workbench is a rectangular frame formed by two long edge columns of the same length and two short edge columns of the same length being vertically spliced two by two, a plurality of bearing beams parallel to the short edge columns are installed in the middle of the rectangular frame, and height-adjustable leg columns are installed at the four corners of the workbench top.

[0005] In a preferred embodiment of the utility model, two tension wheels are symmetrically installed on the beams at the two sides of the second guide wheel seat, and the second guide wheel and the two tension wheels together form a tension adjusting wheel set.

[0006] In a preferred embodiment of the utility model, a cross bar is arranged between the short edge column below the mold mounting position and the winding seat, the inner side of the cross bar is attached to the outer sides of the first guide column and the second guide column, and the sizing position is arranged on the cross bar between the first guide column and the second guide column.

[0007] In a preferred embodiment of the utility model, the tabletop of the integrated workbench is also provided with a take-up adjusting structure, the take-up adjusting structure is composed of two adjusting rods fixed in parallel on the tabletop between the first guide column and the take-up seat, which are a first adjusting rod and a second adjusting rod, a fourth guide wheel is installed on the first adjusting rod, a fifth guide wheel is installed on the second adjusting rod, and the first adjusting rod and the second adjusting rod are coplanar with the pay-off guide frame.

[0008] In a preferred embodiment of the utility model, the integrated workbench is also provided with a barrel seat, which is fixed to the outside of the workbench below the mold mounting position and below the mold mounting position.

[0009] In a preferred embodiment of the utility model, the take-up seat is composed of two short edge columns connected away from the side of the mold mounting position and a short rod inside the load-bearing beam.

[0010] In a preferred embodiment of the utility model, the frame structure is spliced by aluminum alloy profiles with the same size of mounting tracks on four sides.

[0011] The utility model has the advantages that the utility model is an improvement of the existing workbench for continuous fiber impregnation production line, the overall structure is adjusted, the fiber routing is changed, the inlet and outlet directions of the impregnation mold with longitudinal S-shaped impregnation flow channel are adapted, the take-up section and the pay-off section are designed to be three-dimensionally overlapped in space, the requirements of continuous fiber impregnation are met, the overall space is fully utilized, and the floor area of the workbench is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of a preferred embodiment of the utility model;

[0013] Figure 2 It is a working schematic view of the illustrated embodiment;

[0014] The marks of components in the drawings are as follows:

[0015] 1. long edge column, 2. short edge column, 3. load-bearing beam, 4. foot column, 5. cross rod, 6. pay-off support column, 7. pay-off rod, 8. first guide column, 9. second guide column, 10. guide cross beam, 11. first guide wheel seat, 12. second guide wheel seat, 13. first adjusting rod, 14. second adjusting rod, 15. take-up seat, 16. bottom rod, 17. mold mounting plate, 18. barrel seat. DETAILED DESCRIPTION

[0016] The advantages and features of the present application will be more apparent from the following detailed description of preferred embodiments of the present application, taken in conjunction with the accompanying drawings, in which:

[0017] Referring to Figure 1 and Figure 2 , the embodiments of the present application include:

[0018] The application discloses an integrated workbench for a continuous fiber prepreg production line, which is a frame structure formed by splicing aluminum alloy 3030 profiles with the same specifications on four sides; the aluminum alloy profiles can be used to adjust various components installed on the workbench according to the track on the surface of the profile. A pay-off rack, a pay-off guide rack, a mold installation position, a sizing position and a winding seat are sequentially arranged on the tabletop of the integrated workbench for the continuous fiber prepreg production line according to the running direction of the continuous fiber; the tabletop is a rectangular frame formed by vertically splicing two long-side columns 1 and two short-side columns 2 with the same length; four load-bearing beams 3 are arranged in parallel in the middle of the rectangular frame and parallel to the short-side columns 2; height-adjustable foot columns 4 are arranged at the four corners of the tabletop; the pay-off rack comprises a pay-off support column 6 and a pay-off rod 7; the pay-off support column 6 is vertically fixed at the middle position of the inner long-side column 1; the pay-off rod 7 is vertically fixed on the upper portion of the pay-off support column 6; the fixing direction of the pay-off rod 7 is parallel to the load-bearing beam 3; a continuous fiber cartridge can be rotatably installed on the pay-off rod 7; the pay-off guide rack comprises a first guide column 8, a second guide column 9, a guide beam 10 and a plurality of guide wheels; the first guide column 8 and the second guide column 9 have the same height and are lower than the installation height of the pay-off rod 7; the second guide column 9 is vertically fixed on the short-side column 2 on one side; the first guide column 8 is fixed on the load-bearing beam 3 close to the pay-off support column 6; a cooling fan is arranged on the column body of the first guide column 8 and faces the winding path of the continuous fiber; the guide beam 10 is fixed at the top ends of the first guide column 8 and the second guide column 9; the beam body of the guide beam 10 is provided with a first guide wheel seat 11 and a second guide wheel seat 12 arranged in sequence along the pay-off direction; the first guide wheel seat 11 is provided with a first guide wheel; the second guide wheel seat 12 is provided with a second guide wheel; the left end portion of the guide beam 10 protrudes beyond the top end of the first guide column 8, and a third guide wheel is arranged on the protruding portion; the mold installation position is arranged at the middle position of the second guide column 9; the mold installation position is provided with a mold installation plate; when an impregnation mold is fixed on the mold installation plate, the impregnation mold is located outside the tabletop of the integrated workbench; the winding seat 15 is arranged at the other end away from the mold installation position; and the sizing position is arranged between the second guide column 9 and the first guide column 8. Two tension wheels are symmetrically arranged on the beam bodies on the two sides of the second guide wheel seat 12; the second guide wheel and the two tension wheels form a tension adjusting wheel set together, so that the tension of the pay-off can be adjusted, and the stability of the continuous fiber when entering the impregnation mold through the third guide wheel can be ensured.

[0019] The short side column 2 below the mold installation position is provided with a cross bar 5 between the winding seat 15, the inner side of the cross bar 5 is attached to the outer side of the first guide column 8 and the second guide column 9, the sizing position is arranged on the cross bar 5 and located between the first guide column 8 and the second guide column 9. In this way, the cross bar 5 is coplanar with the plurality of guide wheels, and the continuous fiber can directly enter the sizing die installed on the cross bar 5 after impregnation, and since the cross bar 5 is also made of aluminum alloy 3030 profile, the sizing die can be adjusted along the cross bar 5 between the first guide column 8 and the second guide column 9 according to different specifications of the continuous fiber.

[0020] The workbench is also provided with a take-up adjusting structure on the table top, which is composed of two adjusting rods fixed on the table top between the first guide column 8 and the winding seat 15, namely a first adjusting rod 13 and a second adjusting rod 14, which are coplanar with the pay-off guide frame, the first adjusting rod 13 is vertically fixed on a bottom rod 16 connecting the two load-bearing beams 3, the fourth guide wheel is installed on the first adjusting rod 13, and the second adjusting rod 14 is vertically fixed on a load-bearing beam 3, and the fifth guide wheel is installed on the second adjusting rod 14. By setting the take-up adjusting structure, the angle and tension of the impregnated continuous fiber entering the winding disc of the winding device can be adjusted, so that the whole winding action remains stable.

[0021] The integrated workbench is also provided with a barrel seat 18, which is fixed on the outside of the workbench below the mold installation position and relies on the two foot columns 4 on the side below the mold installation position. In this way, after installing the impregnation mold, the plastic material overflowing from the runner in actual production can be collected by the barrel placed on the barrel seat 18, preventing direct dropping onto the ground, which not only pollutes the environment but also causes material waste.

[0022] The winding seat 15 is composed of two connecting rods installed between the short side column 2 away from the mold installation position and the inner side load-bearing beam 3. In this way, the winding device can be stably fixed on the table top relying on the winding seat composed of the two aluminum alloy profiles.

[0023] The above only describes the embodiments of the present application, and does not limit the patent scope of the present application, any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An integrated worktable for a continuous fiber prepreg production line, characterized by, The integrated workbench is a frame structure, the workbench top is sequentially provided with a pay-off rack, a pay-off guide rack, a mold mounting position, a sizing position and a winding seat according to the running direction of the continuous fiber, the workbench top is a rectangular frame formed by two pairs of vertical splicing of two long edge columns with the same length and two short edge columns with the same length, a plurality of bearing beams parallel to the short edge columns are installed in the middle of the rectangular frame, and height-adjustable leg columns are respectively installed at the four corners of the workbench top; The pay-off rack comprises a pay-off support column and a pay-off rod, the pay-off support column is vertically fixed at the middle position of the inner long edge column, and the pay-off rod is vertically fixed on the pay-off support column, and the fixing direction of the pay-off rod is parallel to the bearing beam; The pay-off guide rack comprises a first guide column, a second guide column, a guide beam and a plurality of guide wheels, the first guide column and the second guide column have the same height and are lower than the installation height of the pay-off rod, the second guide column is vertically fixed on the short edge column on one side, the first guide column is fixed on the bearing beam close to the pay-off support column, a cooling fan is installed on the column body of the first guide column, the cooling fan faces the winding path of the continuous fiber, the guide beam is fixed at the top ends of the first guide column and the second guide column, the beam body of the guide beam is provided with a first guide wheel seat and a second guide wheel seat arranged in sequence in the pay-off direction, the first guide wheel seat is provided with a first guide wheel, and the second guide wheel seat is provided with a second guide wheel, and the left end of the guide beam partially protrudes from the top end of the first guide column, and the protruding part is provided with a third guide wheel; The middle position of the second guide column is provided with the mold mounting position, the mold mounting position is provided with a mold mounting plate, when the impregnation mold is fixed on the mold mounting plate, the impregnation mold is located outside the workbench top, the winding seat is arranged at the other end away from the mold mounting position, and the sizing position is arranged between the second guide column and the first guide column.

2. The integrated table for a continuous fiber prepreg production line according to claim 1, characterized by, Two tension wheels are symmetrically installed on the beam bodies on both sides of the second guide wheel seat, and the second guide wheel and the two tension wheels together form a tension adjusting wheel set.

3. The integrated table for a continuous fiber prepreg production line according to claim 1, characterized by, A cross bar is arranged between the short edge column below the mold mounting position and the winding seat, the inner side of the cross bar is attached to the outer sides of the first guide column and the second guide column, the sizing position is arranged on the cross bar and located between the first guide column and the second guide column.

4. The integrated table for a continuous fiber prepreg production line according to claim 1, characterized by, The workbench top is also provided with a take-up adjusting structure, the take-up adjusting structure comprises two adjusting rods parallel to the workbench top and arranged between the first guide column and the winding seat, namely a first adjusting rod and a second adjusting rod, a fourth guide wheel is installed on the first adjusting rod, and a fifth guide wheel is installed on the second adjusting rod, and the first adjusting rod and the second adjusting rod are coplanar with the pay-off guide rack.

5. The integrated table for a continuous fiber prepreg line according to claim 1, characterized by, The integrated workbench is also provided with a barrel seat, the barrel seat is fixed on the outer side of the workbench below the mold mounting position and below the mold mounting position.

6. The integrated table for a continuous fiber prepreg line according to claim 1, characterized by, The winding seat is composed of two short edge columns connected to the side away from the mold installation position and a short rod inside the load-bearing beam.

7. The integrated table for a continuous fiber prepreg line according to claim 1, characterized by, The frame structure is spliced by aluminum alloy profiles with the same specification mounting tracks on four sides.