An apparatus for the production of epoxy prepreg
Patent Information
- Application Number
- CN202522463581.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-20
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-11-20
AI Technical Summary
传统生产装置中，环氧材料的输送多依赖单一输送辊组，缺乏专用梳理结构，环氧材料尤其是纤维基材在输送过程中易因张力不均出现褶皱，部分纤维丝束还会相互缠绕，导致后续浸胶工序中胶液渗透不均；因此，需要对上述问题进行改进
[0010]与现有技术相比，本实用新型的有益效果是：本实用新型通过U形板上理筛网与输送梳理组件的配合，环氧材料从环氧材料架输送至输送辊前，先经过理筛网进行初步过滤与梳理，便于拦截材料表面杂质并初步理顺松散丝束，避免杂质随材料进入后续工序影响产品质量，同时减少输送辊处丝束缠绕的概率，提高了材料预处理的有效性，进而能够实现环氧材料输送前的初步规整；再通过输送梳理组件中第一电机、第一主动带轮、第一传动带与三个第一从动带轮的配合，驱动三个呈倒置三角形排列的输送辊同步转动，便于环氧材料稳定输送，避免单一输送辊组因转速不均导致材料张力波动，提高了材料输送的稳定性，进而能够实现环氧材料尤其是纤维基材的连续、匀速输送；接着通过龙门架上直线电机、滑轨、电推杆与锥型梳理块的配合，直线电机带动梳理块沿滑轨灵活移动以适配材料宽度，电推杆可调整梳理块的高度以适配不同厚度材料，便于对输送中的纤维丝束进行精准、全面梳理，防止丝束相互缠绕，提高了材料梳理的均匀性与适配性，进而能够实现不同规格环氧材料输送过程中的精细梳理；最终解决了传统生产装置依赖单一输送辊组、缺乏专用梳理与预处理结构，导致环氧材料输送时易携带杂质、出现褶皱、纤维丝束缠绕，进而造成后续浸胶工序胶液渗透不均的问题，提高了环氧预浸料生产的预处理效果、连续性、适配性与半成品质量稳定性。
Smart Images
Figure CN224915128U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of epoxy prepreg production technology, and in particular to a production apparatus for epoxy prepreg. Background Technology
[0002] Epoxy prepreg, as a core raw material in the field of composite materials, is widely used in high-end fields such as aerospace, automobile manufacturing, and electronic packaging. Its production process has extremely high requirements for material conveying stability, combing uniformity, tension control, and pressing quality, which directly affect the mechanical properties and appearance precision of the final product. In traditional production equipment, the conveying of epoxy materials mostly relies on a single conveying roller group, lacking a dedicated combing structure. During the conveying process, epoxy materials, especially fiber-based materials, are prone to wrinkles due to uneven tension, and some fiber bundles may also become entangled, resulting in uneven penetration of the adhesive in the subsequent impregnation process. Therefore, it is necessary to improve the above-mentioned problems. Utility Model Content
[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a production apparatus for epoxy prepregs.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: a production device for epoxy prepreg, comprising an epoxy material rack, two conveying and combing assemblies symmetrically arranged on one side of the epoxy material rack, a gantry frame between the two conveying and combing assemblies, a tensioning assembly on one side of the gantry frame, a pressing assembly on the side of the conveying and combing assembly furthest from the epoxy material rack, a U-shaped frame on one side of the pressing assembly, two lower semi-circular grooves symmetrically opened at the top of the U-shaped frame, bearings placed in the two lower semi-circular grooves, a protrusion fixed to the outer ring of the bearing, a groove corresponding to the protrusion opened on the lower semi-circular groove, a rotating shaft of a receiving roller passing through the inner ring of the bearing, two hinge seats symmetrically arranged at the upper end of one side of the outer wall of the U-shaped frame, a closing cover fixed to one side of the rotating block of the hinge seat, an upper semi-circular groove corresponding to the lower semi-circular groove opened on the bottom surface of the closing cover, and a fixing assembly provided between the closing cover and one side of the outer wall of the U-shaped frame.
[0005] Preferably, the conveying and combing assembly includes two symmetrically arranged U-shaped plates. Three conveying rollers arranged in an inverted triangle are rotatably disposed between the opposite faces of the two U-shaped plates. A sieve is provided on the top surface of the U-shaped plate near the epoxy material frame. A first transmission box is provided on the outer wall of one of the two U-shaped plates. Three first driven pulleys are rotatably disposed inside the first transmission box and are coaxially fixed to the three conveying rollers. A first driving pulley is rotatably disposed on the lower end of the side of the lowest first driven pulley among the three first driven pulleys on the inner wall of the first transmission box. A first motor is coaxially fixed to the first driving pulley and installed on the outer wall of the U-shaped plate. A first transmission belt is installed between the first driving pulley and the three first driven pulleys.
[0006] Preferably, a horizontal plate is fixedly connected to the middle of the opposite side of the gantry frame, a slide rail is provided on the top surface of the horizontal plate, a linear motor is slidably mounted on the slide rail, multiple electric push rods are fixedly connected to one side of the linear motor, and a combing block is fixedly connected to the telescopic end of the electric push rod, the bottom end of the combing block being conical.
[0007] Preferably, the tensioning assembly includes two symmetrically arranged vertical plates. Two rotating plates are symmetrically rotatably arranged on the upper surface of the two vertical plates. A rotating rod is fixedly connected to the middle of one side of each of the two rotating plates and is rotatably arranged on the vertical plate. A cross-shaped block located on the outer wall of one side of one of the two vertical plates is coaxially fixed to one end of the rotating rod. A second motor is installed on the vertical plate below the cross-shaped block. A concave wheel for gap-fitting against the cross-shaped block is coaxially fixed to the output shaft of the second motor. A tensioning rod is rotatably arranged between the two ends of the opposite surfaces of the two rotating plates.
[0008] Preferably, the pressing assembly includes a symmetrically arranged second transmission box and a first mounting plate. Two meshing rotating gears are rotatably arranged inside the second transmission box. One of the rotating gears is coaxially fixed to a third motor mounted on the inner wall of the second transmission box. Two feeding rollers, coaxially fixed to the two rotating gears, are rotatably arranged opposite each other on the first mounting plate and the opposite side of the second transmission box. The upper feeding roller feeds out PE film, and the lower feeding roller feeds out release paper. Two symmetrically arranged second mounting plates are arranged on one side of each feeding roller. Two rows of hot press rollers are arranged between the opposite surfaces of the second mounting plates. A heat-conducting box is mounted on the outer wall of the second mounting plate. A heat-conducting pipe connecting the two rows of hot press rollers in parallel is provided inside the heat-conducting box. One end of the heat-conducting pipe is connected to the output end of a hot air blower. A dustproof air inlet is provided on one side of the outer wall of the heat-conducting box.
[0009] Preferably, the fixing assembly includes a sliding column slidably disposed on the outer wall of the closed cover. A through-hole seat coaxial with the sliding column is fixedly connected to the lower end of the U-shaped frame at the lower end of the sliding column. A threaded hole seat is provided on one side of the lower end of the through-hole seat. A screw is screwed into the threaded hole of the threaded hole seat. A through hole for inserting the screw is opened at the lower end of the sliding column. A knob is coaxially fixed to one end of the screw. A handle is fixedly connected to the outer wall of the closed cover at the end away from the hinge seat. A third transmission box is installed on one side of the outer wall of the U-shaped frame. A second driving pulley is rotatably disposed on the lower end of the inner wall of the third transmission box. A second driven pulley is rotatably disposed on the upper end of the second driving pulley. A second transmission belt is disposed between the second driven pulley and the second driving pulley. The second driven pulley is connected to one end of the shaft of the receiving roller by a flat key.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: Through the cooperation of the U-shaped plate sorting screen and the conveying and combing assembly, the epoxy material, before being conveyed from the epoxy material rack to the conveying rollers, undergoes preliminary filtration and combing via the sorting screen. This facilitates the interception of impurities on the material surface and the initial straightening of loose filaments, preventing impurities from entering subsequent processes and affecting product quality. Simultaneously, it reduces the probability of filament entanglement at the conveying rollers, improving the effectiveness of material pretreatment and thus achieving preliminary straightening of the epoxy material before conveying. Furthermore, through the cooperation of the first motor, first driving pulley, first transmission belt, and three first driven pulleys in the conveying and combing assembly, three conveying rollers arranged in an inverted triangle are driven to rotate synchronously. This facilitates stable conveying of the epoxy material, avoiding material tension fluctuations caused by uneven rotation speeds in a single conveying roller group, improving the stability of material conveying, and thus enabling… The continuous and uniform conveying of epoxy materials, especially fiber-based materials, is achieved through a combination of linear motors, slide rails, electric push rods, and conical carding blocks on a gantry frame. The linear motors drive the carding blocks to move flexibly along the slide rails to adapt to the material width, while the electric push rods adjust the height of the carding blocks to accommodate materials of different thicknesses. This facilitates precise and comprehensive carding of the fiber bundles during conveying, preventing tangling and improving the uniformity and adaptability of the material carding. Consequently, it enables fine carding during the conveying of epoxy materials of different specifications. Ultimately, this solves the problem of traditional production equipment relying on a single conveying roller group and lacking a dedicated carding and pretreatment structure, which leads to impurities, wrinkles, and fiber bundle tangling during epoxy material conveying, resulting in uneven resin penetration in subsequent impregnation processes. This improves the pretreatment effect, continuity, adaptability, and semi-finished product quality stability of epoxy prepreg production. Attached Figure Description
[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1This is a first-view schematic diagram of the overall structure proposed in this utility model; Figure 2 This is a partial cross-sectional view of the first transmission box proposed in this utility model; Figure 3 This is a partial cross-sectional view of the second transmission box proposed in this utility model; Figure 4 This is a partial cross-sectional view of the third transmission box proposed in this utility model.
[0012] The numbers in the diagram are: 1. Receiving roller; 2. Hot press roller; 3. Combing block; 4. Epoxy material frame; 5. Rotating plate; 6. Sorting screen; 7. Cross-shaped block; 8. First transmission belt; 9. Gantry frame; 10. Heat conduction pipe; 11. Rotating gear; 12. Hinge seat; 13. Handle; 14. Sliding column. Detailed Implementation
[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0014] Example: See Figures 1 to 4This utility model discloses a production device for epoxy prepreg, comprising an epoxy material rack 4, two conveying and combing assemblies symmetrically arranged on one side of the epoxy material rack 4, a gantry frame 9 between the two conveying and combing assemblies, a tensioning assembly on one side of the gantry frame 9, a pressing assembly on the side of the conveying and combing assembly furthest from the epoxy material rack 4, a U-shaped frame on one side of the pressing assembly, two lower semi-circular grooves symmetrically opened at the top of the U-shaped frame, bearings placed in the two lower semi-circular grooves, a protrusion fixed to the outer ring of the bearing, and a groove corresponding to the protrusion opened on the lower semi-circular groove, the inner ring of the bearing being fitted with the shaft of the receiving roller 1, and two hinge seats 12 symmetrically arranged on the upper end of one side of the outer wall of the U-shaped frame, a closing mechanism fixed to one side of the rotating block of the hinge seat 12. The closed cover has an upper semi-circular groove corresponding to the lower semi-circular groove on its bottom surface. A fixing component is provided on one side of the outer wall of the closed cover and the U-shaped frame. The epoxy material rack 4, gantry 9, and U-shaped frame are all made of Q235 carbon steel, which improves the overall structural strength of the device, withstands external forces during material conveying and pressing, and prevents deformation over long-term use. The epoxy material rack 4 provides the initial placement carrier for the epoxy material. The conveying and combing component enables material conveying and initial combing, the tensioning component adjusts material tension, and the pressing component completes the lamination of the material with the PE film and release paper. The receiving roller 1 is made of 304 stainless steel, possessing good corrosion resistance and wear resistance, extending its service life, and preventing rust contamination of the material. It, along with the U-shaped frame and high-carbon chromium bearing steel... The bearings (high-carbon chromium bearing steel has good wear resistance, reducing the friction of the rotating shaft) are matched to ensure smooth winding of the finished product; the hinge seat 12, the closing cover and the fixing components ensure the stable installation of the take-up roller 1; the above constitutes the basic framework of the device, providing core support for the entire process of epoxy prepreg from raw material transportation to finished product winding; the conveying and combing assembly includes two symmetrically arranged U-shaped plates, with three conveying rollers arranged in an inverted triangle between the opposite faces of the two U-shaped plates; a sorting screen 6 is provided on the top surface of the U-shaped plate near the epoxy material frame 4; a first transmission box is provided on the outer wall of one of the two U-shaped plates, and three driven pulleys are rotatably fixed to the three conveying rollers on the same axis in the first transmission box. The inner wall of the first transmission box has a first driving pulley rotatably mounted on the lower end of the lowest driven pulley among the three driven pulleys. The first driving pulley is coaxially fixed to a first motor mounted on the outer wall of the U-shaped plate. A first transmission belt 8 is installed between the first driving pulley and the three driven pulleys. The U-shaped plate is made of Q235 carbon steel, providing stable installation support for components such as the conveyor rollers and the sieve 6. The conveyor rollers are made of 304 stainless steel, which is corrosion-resistant and wear-resistant. The three conveyor rollers arranged in an inverted triangle can maintain stable tension of the material and prevent slippage during conveying. The sieve 6 is made of nylon, which is soft and tough, and can avoid damaging the fiber bundles during the initial combing of the material, while also having a certain ability to filter impurities.The first motor uses an AKM series servo motor, which provides stable power. It works in conjunction with the first driving pulley, the first transmission belt 8, and the first driven pulley to drive the conveyor rollers to rotate synchronously, ensuring uniform material conveying and further improving conveying stability and pretreatment effect. A horizontal plate is fixed to the center of the opposite side of the gantry frame 9. A slide rail is provided on the top surface of the horizontal plate, and a linear motor slides on the slide rail. Multiple electric push rods are fixed to one side of the linear motor, and a combing block 3 is fixed to the telescopic end of each electric push rod. The bottom end of the combing block 3 is tapered. The horizontal plate and slide rail provide a moving track for the linear motor. Employing an SSA series brushless linear motor, the system boasts high movement precision, enabling the carding block 3 to move precisely along the slide rail to accommodate materials of varying widths. The electric actuator allows for flexible height adjustment of the carding block 3 to accommodate materials of different thicknesses. Made of polytetrafluoroethylene (PTFE), the carding block 3 features a smooth, high-temperature resistant surface, reducing friction with fiber bundles and preventing breakage. It also adapts to the temperature environment of subsequent processing. Its tapered bottom precisely inserts into the gaps between fiber bundles, separating and guiding the tangled bundles to achieve a neat arrangement, effectively improving material carding uniformity and laying a solid foundation for subsequent impregnation processes.
[0015] In this invention, the tensioning assembly includes two symmetrically arranged vertical plates. Two rotating plates 5 are symmetrically rotatably mounted on the upper surfaces of the two vertical plates. A rotating rod, rotatably mounted on the vertical plate, is fixedly connected to the middle of one side of each rotating plate 5. A cross-shaped block 7 located on the outer wall of one of the two vertical plates is coaxially fixed to one end of the rotating rod. A second motor is mounted on the vertical plate below the cross-shaped block 7. A concave wheel for gap-fitting against the cross-shaped block 7 is coaxially fixed to the output shaft of the second motor. A tensioning rod is rotatably mounted between the two ends of the opposite surfaces of the two rotating plates 5. The vertical plates are made of Q235 carbon steel, providing a stable mounting base for the rotating plates 5, the second motor, and other components. The second motor is an AKM series servo motor, facilitating precise control. The concave wheel rotates at a certain speed, and when it rotates, it abuts against the cross-shaped block 7, causing the rotating rod to drive the rotating plate 5 to swing smoothly. The tensioning rod is made of 304 stainless steel, which is corrosion-resistant and has high structural strength. When the rotating plate 5 swings, the contact angle and pressure between the tensioning rod and the material can be adjusted to achieve dynamic fine-tuning of the material tension, effectively avoiding material relaxation or excessive stretching, ensuring tension stability during material conveying, and reducing material damage caused by abnormal tension. The pressing assembly includes a symmetrically arranged second transmission box and a first mounting plate. Two meshing rotating gears 11 are rotatably installed inside the second transmission box. One of the two rotating gears 11 is coaxially fixed to a third motor installed on the inner wall of the second transmission box. The first mounting plate and The second transmission box has two feeding rollers that rotate opposite each other and are coaxially fixed to two rotating gears 11. The upper feeding roller feeds out PE film, and the lower feeding roller feeds out release paper. Two symmetrically arranged second mounting plates are provided on one side of the feeding rollers. Two rows of hot press rollers 2 are arranged between the opposite faces of the second mounting plates. A heat conduction box is installed on the outer wall of the second mounting plate. The heat conduction box contains heat conduction pipes 10 that connect the two rows of hot press rollers 2 in parallel. One end of the heat conduction pipes 10 is connected to the output end of a hot air blower. A dustproof air inlet is provided on one side of the outer wall of the heat conduction box. The second transmission box, the first mounting plate, and the second mounting plate are all made of Q235 carbon steel, with high structural strength, providing a stable installation environment for each component. The third motor uses an AKM series servo motor, which can drive two meshing rotating gears 11 to rotate synchronously, thereby driving the feeding roller to run at a uniform speed, ensuring that the PE film and release paper are fed at the same speed, and avoiding misalignment during lamination; the hot press roller 2 is made of 304 stainless steel, which has good thermal conductivity and is corrosion resistant, and the heat conduction pipe 10 is made of copper, which has excellent thermal conductivity and can quickly transfer heat; the hot air blower uses a circulating industrial hot air blower, which provides stable heating and ensures uniform heat distribution. The hot air blower provides uniform heating to the hot press roller 2 through the heat conduction pipe 10, and the two rows of hot press rollers 2 achieve tight pressing of the material with the PE film and release paper; the dustproof air inlet net prevents dust from entering the heat conduction box and affecting the heating efficiency, further improving the pressing quality and the stability of the finished product;The fixing assembly includes a sliding column 14 slidably mounted on the outer wall of the closed cover. A through-hole seat coaxial with the sliding column 14 is fixedly connected to the lower end of the U-shaped frame. A threaded hole seat is provided on one side of the lower end of the through-hole seat, and a screw is screwed into the threaded hole of the threaded hole seat. A through hole for inserting the screw is opened at the lower end of the sliding column 14. A knob is coaxially fixed to one end of the screw. A handle 13 is fixedly connected to the outer wall of the closed cover at the end away from the hinge seat 12. A third transmission box is installed on one side of the outer wall of the U-shaped frame. A second driving pulley is rotatably mounted on the lower end of the inner wall of the third transmission box. A second driven pulley is rotatably mounted on the upper end of the second driving pulley. The second driven pulley and the second driving pulley are connected... A second transmission belt is provided between the two, and the second driven pulley is connected to one end of the shaft of the take-up roller 1 via a flat key. The slide column 14, through hole seat, screw, knob, and handle 13 are all made of durable materials. The slide column 14 and through hole seat cooperate to guide the movement, the screw and knob enable quick fixing and unlocking of the closed cover, and the handle 13 facilitates the closing and flipping operation of the cover, simplifying the disassembly and assembly process of the take-up roller 1. The second driving pulley and second driven pulley in the third transmission box cooperate with the second transmission belt to drive the take-up roller 1 to rotate synchronously, ensuring that the winding speed is consistent with the material conveying speed, avoiding material accumulation or pulling, and improving the efficiency of finished product transfer while reducing downtime.
[0016] Working Principle: In the use of this utility model, material pretreatment and preliminary conveying are first performed. After the epoxy material, especially the fiber substrate, is released from the epoxy material rack 4, it is first conveyed to the U-shaped plate of the conveying and combing assembly. The sieve 6 on the top surface of the U-shaped plate near the epoxy material rack 4 will perform preliminary filtration and combing of the material, intercepting dust, debris and other impurities attached to the material surface, and at the same time, preliminarily straightening the loose fiber bundles in the material to prevent impurities from entering the subsequent process with the material, and also reducing the probability of the fiber bundles getting tangled at the conveying roller, completing the preliminary straightening of the material before conveying; then it enters the stable conveying stage, and the first motor of the conveying and combing assembly is started. The first motor drives the first drive pulley to rotate. The driving pulley drives three driven pulleys to rotate synchronously via the first transmission belt 8. These three driven pulleys are coaxially fixed to three conveying rollers, which in turn drive the three conveying rollers arranged in an inverted triangle to rotate at a uniform speed. This inverted triangle arrangement ensures that the epoxy material maintains appropriate tension during transport, preventing slippage or uneven tension caused by insufficient contact area in a single conveying roller group. This achieves continuous and stable forward transport of the epoxy material, providing a stable transport rhythm for the subsequent combing process. Following this, a fine combing operation is performed. Based on the width and thickness of the epoxy material, the combing structure at the gantry 9 is adjusted. A linear motor moves along the slide rail on the horizontal plate, driving multiple combing blocks 3 to adjust... The transverse position is adjusted to ensure that the carding block 3 covers the entire width of the material. Simultaneously, the electric actuator extends and retracts to adjust the height of the carding block 3, ensuring that the bottom of the conical carding block 3 is just close to the material surface. This avoids the block being too high to card or too low to damage the material. As the material moves with the conveyor rollers, the tip of the conical carding block 3 inserts into the gaps between the fiber bundles, separating and disassembling the intertwined bundles. The inclined conical surface guides the bundles to align neatly along the conveying direction, achieving precise and comprehensive carding of materials of different specifications. This ensures uniform distribution of the material bundles, preparing for uniform penetration of the adhesive in the subsequent impregnation process. After carding, the epoxy material continues to be conveyed forward, passing through the tensioning assembly, which adjusts the material... When adjusting the tension, first start the second motor on the vertical plate. The second motor drives the concave wheel on the output shaft to rotate. During the rotation of the concave wheel, it abuts against the cross-shaped block 7. When the protruding part of the concave wheel contacts the star-shaped teeth of the cross-shaped block 7, it will push the cross-shaped block 7 to rotate around the axis of the rotating rod, which in turn drives the rotating plate 5 to rotate synchronously. The rotating plate 5 drives the tensioning rods at both ends to swing. By adjusting the contact angle and pressure between the tensioning rods and the material, the tension of the material is changed. When the concave part of the concave wheel turns towards the cross-shaped block 7, the cross-shaped block 7 loses its thrust, and the rotating plate 5 returns to its original position under the action of the material's own tension. This cycle is used to achieve dynamic fine adjustment of the material tension, avoiding material slack or overstretching.The material then passes through a pressing assembly, which laminates the material with the PE film and release paper. Finally, it is wound into a roll by take-up roller 1. Take-up roller 1 is fixed to the closing cover by bearings on the U-shaped frame. When it is necessary to disassemble take-up roller 1, first turn the knob on the threaded hole seat in the fixing assembly. The knob drives the screw to retract outward along the threaded hole of the threaded hole seat until the screw is completely disengaged from the through hole at the lower end of the slide column 14. Then, pull the slide column 14 upward to separate it from the through hole seat. Finally, hold the closing cover away from the hinge. The handle 13 at one end of the connecting seat 12 is flipped upwards around the rotating block of the hinged seat 12 to close the cover, causing the upper half-arc groove on the bottom surface of the closed cover to disengage from the bearing; then, the receiving roller 1 is pulled away from the third transmission box, pulling the shaft of the receiving roller 1 out of the keyway of the second driven pulley. At this time, the bearing fixed on the shaft will be removed from the lower half-arc groove at the top of the U-shaped frame along with the shaft. Finally, the bearing is removed from the shaft, completing the complete disassembly of the receiving roller 1, facilitating the transfer of finished products; thus, the device is used successfully.
[0017] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An apparatus for producing epoxy prepreg, comprising an epoxy material rack (4), characterized in that: Two conveying and combing components are symmetrically arranged on one side of the epoxy material rack (4). A gantry frame (9) is provided between the two conveying and combing components. A tensioning component is provided on one side of the gantry frame (9). A pressing component is provided on the side of the conveying and combing component away from the epoxy material rack (4). A U-shaped frame is provided on one side of the pressing component. Two lower semi-circular grooves are symmetrically opened at the top of the U-shaped frame. Bearings are placed in the two lower semi-circular grooves. A protrusion is fixed to the outer ring of the bearing. A groove corresponding to the protrusion is opened on the lower semi-circular groove. The rotating shaft of the receiving roller (1) passes through the inner ring of the bearing. Two hinge seats (12) are symmetrically arranged on the upper end of one side of the outer wall of the U-shaped frame. A closing cover is fixed to one side of the rotating block of the hinge seat (12). The bottom surface of the closing cover has an upper semi-circular groove corresponding to the lower semi-circular groove. A fixing component is provided between the closing cover and one side of the outer wall of the U-shaped frame.
2. The production apparatus for epoxy prepreg according to claim 1, characterized in that: The conveying and combing assembly includes two symmetrically arranged U-shaped plates. Three conveying rollers arranged in an inverted triangle are rotatably disposed between the opposite surfaces of the two U-shaped plates. A sieve (6) is provided on the top surface of the U-shaped plate near the epoxy material frame (4). A first transmission box is provided on the outer wall of one of the two U-shaped plates. Three first driven pulleys are rotatably disposed inside the first transmission box and are coaxially fixed to the three conveying rollers. A first driving pulley is rotatably disposed on the lower end of the side of the lowest first driven pulley among the three first driven pulleys on the inner wall of the first transmission box. A first motor is coaxially fixed to the first driving pulley and installed on the outer wall of the U-shaped plate. A first transmission belt (8) is installed between the first driving pulley and the three first driven pulleys.
3. The production apparatus for epoxy prepreg according to claim 2, characterized in that: A horizontal plate is fixed to the middle of the opposite side of the gantry frame (9). A slide rail is provided on the top surface of the horizontal plate. A linear motor is slidably mounted on the slide rail. Multiple electric push rods are fixed to one side of the linear motor. A combing block (3) is fixed to the telescopic end of the electric push rod. The bottom end of the combing block (3) is conical.
4. The production apparatus for epoxy prepreg according to claim 3, characterized in that: The tensioning assembly includes two symmetrically arranged vertical plates. Two rotating plates (5) are symmetrically rotated at the upper ends of the opposite surfaces of the two vertical plates. A rotating rod is fixedly connected to the middle of one side of each of the two rotating plates (5) and is rotatably mounted on the vertical plate. A cross-shaped block (7) located on the outer wall of one side of one of the two vertical plates is coaxially fixed to one end of the rotating rod. A second motor is installed at the lower end of the vertical plate at the cross-shaped block (7). A concave wheel for gap contact with the cross-shaped block (7) is coaxially fixed to the output shaft of the second motor. A tensioning rod is rotatably arranged between the two ends of the opposite surfaces of the two rotating plates (5).
5. The production apparatus for epoxy prepreg according to claim 4, characterized in that: The pressing assembly includes a symmetrically arranged second transmission box and a first mounting plate. The second transmission box contains two meshing rotating gears (11). One of the rotating gears (11) is coaxially fixed to a third motor mounted on the inner wall of the second transmission box. The first mounting plate and the opposite side of the second transmission box have two feeding rollers that are coaxially fixed to the two rotating gears (11). The upper feeding roller of the two feeding rollers feeds out PE film, and the lower feeding roller of the two feeding rollers feeds out release paper. Two symmetrically arranged second mounting plates are provided on one side of the feeding rollers. Two rows of hot press rollers (2) are provided between the opposite sides of the second mounting plates. A heat conduction box is installed on the outer wall of the second mounting plate. The heat conduction box contains a heat conduction pipe (10) that connects the two rows of hot press rollers (2) in parallel. The heat conduction pipe (10) is connected to the output end of a hot air blower at one point. A dustproof air inlet net is provided on one point of the outer wall of the heat conduction box.
6. The production apparatus for epoxy prepreg according to claim 5, characterized in that: The fixing component includes a sliding column (14) slidably disposed on the outer wall of the closed cover. A through hole seat coaxial with the sliding column (14) is fixedly connected to the lower end of the U-shaped frame. A threaded hole seat is provided on one side of the lower end of the through hole seat. A screw is screwed into the threaded hole of the threaded hole seat. A through hole for inserting the screw is opened at the lower end of the sliding column (14). A knob is coaxially fixed to one end of the screw. A handle (13) is fixedly connected to the outer wall of the closed cover away from the hinge seat (12). A third transmission box is installed on one side of the outer wall of the U-shaped frame. A second driving pulley is rotatably provided at the lower end of the inner wall of the third transmission box. A second driven pulley is rotatably provided at the upper end of the second driving pulley. A second transmission belt is provided between the second driven pulley and the second driving pulley. The second driven pulley is connected to one end of the shaft of the receiving roller (1) by a flat key.