Preheating equipment for fiber placement of continuous fiber band
By using a combination of a beam splitter and a reflector in the laser component of the fiber tape laying equipment, the problem of uneven heating of high-power lasers was solved, enabling rapid and uniform welding of the base tape and fiber tape, and improving production efficiency.
Patent Information
- Application Number
- CN202423167143.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In existing fiber tape laying equipment, uneven heating by high-power lasers leads to high thermal stress, affecting the laying effect. Furthermore, the processing speed needs to be reduced to ensure sufficient heating, which affects production efficiency.
The laser assembly, including a combination of a high-power laser, a light shield, a beam splitter, and a reflector, is used. The beam splitter divides the laser into a preheating optical path and a welding optical path, which are used to preheat and weld the baseband and fiber tape respectively, ensuring uniform heat diffusion and heating rate, and reducing thermal stress.
It enables rapid and uniform welding of the base tape and fiber tape, reduces thermal stress, and improves processing efficiency.
Smart Images
Figure CN223686015U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fiber tape laying technical field, specifically, it relates to the preheating equipment of continuous fiber tape laying. BACKGROUND
[0002] Fiber tape laying is an advanced composite manufacturing technology, which combines the characteristics of fiber winding and automatic tape laying technology, and is mainly used for the automated production of high-performance composite structures, especially in the manufacturing of complex geometric parts in the fields of aerospace, automobiles, wind power blades and the like. The technology precisely lays continuous thermoplastic continuous fiber prepreg tape on the surface of the base tape through precise automated equipment to form a continuous and precisely controlled fiber reinforced layer.
[0003] Based on the above, the present inventors found that the existing fiber tape laying equipment usually uses a high-power laser to emit a laser to heat and weld the connection between the fiber tape and the base tape, and then a press roller is used for rolling. The high-power laser of the traditional method is easy to cause uneven heating, resulting in large thermal stress and affecting the fiber laying effect. It is necessary to reduce the processing speed to allow the laser to heat sufficiently, which affects the production efficiency and is inconvenient to use.
[0004] Therefore, in view of the above problems, the present application provides a preheating equipment for continuous fiber tape laying to achieve a more practical purpose. SUMMARY
[0005] To solve the above technical problems, the preheating equipment for continuous fiber tape laying is provided by the embodiments of the present application, which is specifically implemented by the following technical solutions:
[0006] The preheating equipment for continuous fiber tape laying comprises a workbench, a laser assembly is arranged at one end of the top of the workbench, and a feeding assembly is arranged at the other end of the top of the workbench, the laser assembly comprises a high-power laser, a light shield is fixedly installed at the output end of the high-power laser, an opening is formed in one side of the light shield, a first beam splitter is fixedly installed at the top of the inner side of the light shield, a second beam splitter is fixedly installed at the middle of the inner side of the light shield, and a mirror is fixedly installed at the bottom of the inner side of the light shield.
[0007] The beneficial effect of adopting the above further scheme is that the laser assembly is arranged at one end of the top of the workbench, and the feeding assembly is arranged at the other end of the top of the workbench, so as to facilitate the feeding assembly to feed the fiber tape for laying, and the laser assembly emits laser to heat and weld the fiber tape and the base tape, the light shield is fixedly installed at the output end of the high-power laser, an opening is arranged on one side of the light shield, so as to facilitate the light shield to be fixedly connected with the first beam splitter, the second beam splitter and the reflector, and the laser is reflected and emitted from the opening, the first beam splitter is fixedly installed at the top of the inner side of the light shield, so as to facilitate the first beam splitter to divide a preheating light path of the laser emitted by the high-power laser and emit the preheating light path to the base tape, so as to preheat the base tape, so that the heat diffusion of the welding area is faster and more uniform, the thermal stress is reduced, a greater temperature rising rate is obtained, and a faster processing efficiency is obtained, the second beam splitter is fixedly installed at the middle of the inner side of the light shield, and the reflector is fixedly installed at the bottom of the inner side of the light shield, so as to facilitate the second beam splitter to divide a welding light path of the laser emitted by the high-power laser and emit the welding light path to the welding area where the fiber tape is connected with the base tape, so as to fix and connect the fiber tape on the base tape.
[0008] Further, the workbench comprises a bottom plate, and first guide rollers are fixedly installed at two ends of the top of the bottom plate.
[0009] The beneficial effect of adopting the above further scheme is that the first guide rollers are fixedly installed at the two ends of the top of the bottom plate, so as to facilitate the first guide rollers to guide the base tape and facilitate the fiber tape to be laid on the base tape.
[0010] Further, the high-power laser is fixedly installed with a supporting leg at the bottom, and the supporting leg is fixedly connected with the bottom plate.
[0011] The beneficial effect of adopting the above further scheme is that the high-power laser is fixedly installed with the supporting leg at the bottom, and the supporting leg is fixedly connected with the bottom plate, so as to facilitate the laser assembly to be fixedly installed on the workbench.
[0012] Further, the feeding assembly comprises a base, and a gasket is fixedly installed at the middle of the top of the base.
[0013] The beneficial effect of adopting the above further scheme is that the gasket is fixedly installed at the middle of the top of the base, so as to facilitate the base tape and the fiber tape heated by laser irradiation to be pressed at the top of the gasket.
[0014] Further, shaft seat plates are fixedly installed at two sides of the base, and material discs are rotatably connected at the top of the shaft seat plates.
[0015] The beneficial effect of adopting the above further scheme is that the material discs are rotatably connected at the top of the shaft seat plates, so as to facilitate the fiber tape to be wound outside the material discs and to feed the fiber tape for laying.
[0016] Further, the shaft seat plate bottom is rotationally connected with a compression roller, and the compression roller is arranged on the gasket top.
[0017] The beneficial effect of the above further scheme is that the shaft seat plate bottom is rotationally connected with a compression roller, and the compression roller is arranged on the gasket top, so that the compression roller can press the base tape and the fiber tape on the gasket top after laser irradiation, thereby improving the compactness of welding.
[0018] Further, the shaft seat plate middle part is rotationally connected with a second guide roller.
[0019] The beneficial effect of the above further scheme is that the shaft seat plate middle part is rotationally connected with a second guide roller, so that the second guide roller can guide the fiber tape to be laid on the base tape top part.
[0020] The beneficial effect of the present utility model is that: the continuous fiber tape laying preheating equipment obtained through the above design, the continuous fiber tape laying preheating equipment, the workbench top one end is equipped with a laser assembly, and the workbench top other end is equipped with a feeding assembly, the feeding assembly is convenient for feeding the fiber tape laying, the laser assembly emits laser to heat and weld the fiber tape and the base tape, the high-power laser output end is fixedly installed with a light shield, the light shield one side is equipped with an opening, the light shield is convenient for fixedly connecting the first beam splitter, the second beam splitter and the reflector, the laser is conveniently emitted from the opening through reflection, the light shield inboard top is fixedly installed with the first beam splitter, the first beam splitter is convenient for dividing the laser emitted by the high-power laser into a preheating light path and shooting at the base tape, thereby preheating the base tape, the heat diffusion of the welding area is faster, more uniform, the thermal stress is reduced, a greater heating rate is obtained, thereby obtaining faster processing efficiency, the light shield inboard middle part is fixedly installed with the second beam splitter, and the light shield inboard bottom is fixedly installed with the reflector, the laser emitted by the high-power laser is conveniently divided into a welding light path and shooting at the welding area where the fiber tape and the base tape are connected, thereby laying the fiber tape on the base tape and fixedly connecting, the utility model can preheat the base tape, the heat diffusion of the welding area is faster, more uniform, the thermal stress is reduced, a greater heating rate is obtained, thereby obtaining faster processing efficiency, and has higher practical value. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present utility model, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.
[0022] Figure 1The utility model provides a three -dimensional structure schematic diagram of continuous fiber tape silk laying's preheating equipment is provided.
[0023] Figure 2 The utility model provides a laser assembly's explosion map.
[0024] Figure 3 The utility model provides a three -dimensional structure schematic diagram of light shield.
[0025] Figure 4 The utility model provides a three -dimensional structure schematic diagram of supply assembly.
[0026] Figure 5 The utility model provides continuous fiber tape silk laying's preheating equipment's preheating and welding light path schematic drawing.
[0027] In the drawing: 101, workbench;10101, bottom plate;10102, first guide roller;102, laser assembly;10201, high power laser;10202, support leg;10203, light shield;10204, first beam splitter;10205, second beam splitter;10206, reflector;10207, opening;103, supply assembly;10301, base;10302, shaft seat plate;10303, gasket;10304, tray;10305, second guide roller;10306, compression roller. DETAILED DESCRIPTION
[0028] In order to make the utility model embodiment's purpose, technical scheme and advantage more clearly, below will combine the drawing in the utility model embodiment, to the technical scheme in the utility model embodiment, clear, complete description, obviously, the described embodiment is the utility model part embodiment, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.
[0029] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.
[0030] The utility model continuous fiber tape silk laying's preheating equipment's embodiment one
[0031] The utility model provides the following technical scheme: Figures 1-5As shown, the preheating equipment for continuous fiber tape laying includes a workbench 101, one end of the top of the workbench 101 is provided with a laser assembly 102, and the other end of the top of the workbench 101 is provided with a feeding assembly 103, the feeding assembly 103 is convenient for feeding for fiber tape laying through the laser assembly 102 provided at one end of the top of the workbench 101 and the feeding assembly 103 provided at the other end of the top of the workbench 101, the laser assembly 102 emits laser to heat and weld the fiber tape and the base tape, the laser assembly 102 includes a high-power laser 10201, a light shield 10203 is fixedly installed at the output end of the high-power laser 10201, an opening 10207 is formed in one side of the light shield 10203, the light shield 10203 is fixedly installed at the output end of the high-power laser 10201, and the opening 10207 is formed in one side of the light shield 10203, so that the light shield 10203 is conveniently fixedly connected with the first beam splitter 10204, the second beam splitter 10205 and the reflector 10206, laser is conveniently emitted from the opening 10207 through reflection, the first beam splitter 10204 is fixedly installed at the top of the inner side of the light shield 10203, so that the first beam splitter 10204 divides the laser emitted by the high-power laser 10201 into a preheating light path and emits the preheating light path to the base tape, thereby preheating the base tape, so that the heat diffusion of the welding area is faster, more uniform, the thermal stress is reduced, a greater temperature rising rate is obtained, and a faster processing efficiency is obtained, the second beam splitter 10205 is fixedly installed at the middle of the inner side of the light shield 10203, and the reflector 10206 is fixedly installed at the bottom of the inner side of the light shield 10203, so that the second beam splitter 10205 is fixedly installed at the middle of the inner side of the light shield 10203, and the reflector 10206 is fixedly installed at the bottom of the inner side of the light shield 10203, so that the laser emitted by the high-power laser 10201 is divided into a welding light path and emitted to the welding area where the fiber tape and the base tape are connected, thereby fixing and connecting the fiber tape on the base tape.
[0032] Embodiment two of the preheating equipment for continuous fiber tape laying
[0033] Refer to Figures 1-5 As shown, the workbench 101 includes a bottom plate 10101, first guide rollers 10102 are fixedly installed at both ends of the top of the bottom plate 10101, the first guide rollers 10102 are convenient for guiding the base tape, and fiber tape laying is facilitated on the base tape, a support leg 10202 is fixedly installed at the bottom of the high-power laser 10201, and the bottom of the support leg 10202 is fixedly connected with the bottom plate 10101, so that the laser assembly 102 is conveniently fixedly installed on the workbench 101.
[0034] Embodiment 3 of the preheating equipment for continuous fiber tape laying of this utility model
[0035] Reference Figures 1-4 As shown, the feeding assembly 103 includes a base 10301. A gasket 10303 is fixedly installed at the center of the top of the base 10301. The gasket 10303 facilitates the pressing of the laser-heated base tape and fiber tape on the top of the gasket 10303. Shaft seat plates 10302 are fixedly installed on both sides of the base 10301. A material tray 10304 is rotatably connected to the top of the shaft seat plate 10302. The material tray 10304 is rotatably connected to the top of the shaft seat plate 10302, facilitating the winding of the fiber tape around the outside of the material tray 10304 for feeding the device during fiber tape laying. A material tray 10304 is rotatably connected to the bottom of the shaft seat plate 10302. A pressure roller 10306 is positioned on top of a pad 10303 and is rotatably connected to the bottom of a bearing plate 10302. The pressure roller 10306 is positioned on top of the pad 10303 to facilitate pressing the laser-irradiated base strip and fiber strip onto the top of the pad 10303, thereby improving the weld density. A second guide roller 10305 is rotatably connected to the middle of the bearing plate 10302 to guide the fiber strip, allowing the fiber strip to bypass the second guide roller 10305 and be laid on top of the base strip.
[0036] Specifically, the working principle of the continuous fiber tape laying preheating device is as follows: in use, the first guide roller 10102 is fixedly installed at the top of the base plate 10101, which facilitates the guiding of the base tape by the first guide roller 10102 and facilitates the fiber tape laying on the base tape; the foot 10202 is fixedly installed at the bottom of the high-power laser 10201, and the foot 10202 is fixedly connected to the base plate 10101 at the bottom, which facilitates the fixed installation of the laser assembly 102 on the workbench 101; the disc 10304 is rotatably connected to the top of the shaft seat plate 10302, which facilitates the fiber tape winding outside the disc 10304 to supply the fiber tape laying device; the pressure roller 10306 is rotatably connected to the bottom of the shaft seat plate 10302, and the pressure roller 10306 is arranged at the top of the gasket 10303, which facilitates the pressure roller 10306 to compress the base tape and the fiber tape irradiated by the laser at the top of the gasket 10303, thereby improving the compactness of the welding; the second guide roller 10305 is rotatably connected to the middle of the shaft seat plate 10302, which facilitates the guiding of the fiber tape by the second guide roller 10305, so that the fiber tape is laid on the top of the base tape by passing through the second guide roller 10305; the light shield 10203 is fixedly installed at the output end of the high-power laser 10201, and the opening 10207 is formed in one side of the light shield 10203, which facilitates the fixed connection of the light shield 10203 to the first beam splitter 10204, the second beam splitter 10205 and the reflector 10206, and facilitates the reflection of the laser from the opening 10207; the first beam splitter 10204 is fixedly installed at the top of the inner side of the light shield 10203, which facilitates the first beam splitter 10204 to divide the laser emitted by the high-power laser 10201 into a preheating light path to the base tape, thereby preheating the base tape, making the heat diffusion of the welding zone faster, more uniform, reducing the thermal stress, obtaining a greater heating rate, thereby obtaining a faster processing efficiency; the second beam splitter 10205 is fixedly installed at the middle of the inner side of the light shield 10203, and the reflector 10206 is fixedly installed at the bottom of the inner side of the light shield 10203, which facilitates the second beam splitter 10205 to divide the laser emitted by the high-power laser 10201 into a welding light path to the welding zone where the fiber tape and the base tape are connected, thereby fixing the fiber tape on the base tape.
[0037] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Those skilled in the art can make various changes and modifications to the present application. 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. Preheating apparatus for continuous fiber tows, characterized in that, The utility model provides a laser cutting device, including workbench (101), workbench (101) top one end is equipped with laser assembly (102), and workbench (101) top other end is equipped with feeding assembly (103), laser assembly (102) includes high power laser (10201), high power laser (10201) output fixed mounting has light shield (10203), the opening (10207) is seted up in light shield (10203) one side, the first light splitting mirror (10204) is fixedly installed in light shield (10203) inboard top, the second light splitting mirror (10205) is fixedly installed in light shield (10203) inboard middle part, and the mirror (10206) is fixedly installed in light shield (10203) inboard bottom.
2. The continuous fiber tape-laying preheating apparatus according to claim 1, characterized in that, The workbench (101) includes a bottom plate (10101), and the first guide roller (10102) is fixedly installed at both ends of the top of the bottom plate (10101).
3. The continuous fiber tape-laying preheating apparatus according to claim 2, characterized in that, The high power laser (10201) is fixedly installed at the bottom of the foot (10202), and the bottom of the foot (10202) is fixedly connected with the bottom plate (10101).
4. The continuous fiber tape-laying preheating apparatus according to claim 1, wherein, The feeding assembly (103) includes a base (10301), and the gasket (10303) is fixedly installed at the top of the middle of the base (10301).
5. The continuous fiber tape-laying preheating apparatus according to claim 4, wherein, The shaft seat plate (10302) is fixedly installed at both sides of the base (10301), and the material disc (10304) is rotatably connected at the top of the shaft seat plate (10302).
6. The continuous fiber tape-laying preheating apparatus according to claim 5, wherein, The pressure roller (10306) is rotatably connected at the bottom of the shaft seat plate (10302), and the pressure roller (10306) is arranged at the top of the gasket (10303).
7. The continuous fiber tape-laying preheating apparatus according to claim 6, characterized in that, The second guide roller (10305) is rotatably connected at the middle of the shaft seat plate (10302).