Two-in-one prepreg machine

Abstract

The utility model discloses a two-in-one prepreg machine, belongs to the field of prepreg equipment, and is used for solving the problem of how to presoak and fit two rolls of prepreg at the same time. The two-in-one pre-impregnation machine comprises a rack, a first unwinding roller, a second unwinding roller, an impregnation tank, a laminating roller assembly and a winding device. The rack is provided with two sliding block supporting plate assemblies. The first unwinding roller and the second unwinding roller are rotationally arranged on the two sliding block supporting plate assemblies correspondingly. The dipping tank is arranged at the rear ends of the first unwinding roller and the second unwinding roller; the laminating roller assembly comprises at least two laminating rollers which are rotatably arranged on the rack, and the laminating rollers are arranged between the first unwinding roller and the dipping tank or between the second unwinding roller and the dipping tank; the winding device is arranged at the rear end of the dipping tank; wherein the first unwinding roller and the second unwinding roller are parallel or approximately parallel and staggered in the height direction and the horizontal direction, and the first prepreg and the second prepreg are attached to the attaching roller after being unwound.

Description

Technical Field

[0001] This application relates to the field of prepreg equipment, and in particular to a two-in-one prepreg machine. Background Technology

[0002] In the field of composite material manufacturing, prepreg, as an important intermediate material, is a semi-finished product made by pre-impregnating fiber-reinforcing materials (such as glass fiber and carbon fiber) into a resin matrix and then processing them through certain processes. The prepreg machine, as a key piece of equipment in prepreg production, plays a crucial role in advancing the composite materials industry through its technological development.

[0003] Most prepreg machines on the market today are designed and operate on principles primarily focused on the prepreg treatment of single rolls of prepreg. These machines typically feature specific unwinding devices, impregnation systems, and rewinding devices. During production, they can only impregnate single rolls of fiber-reinforced material with resin. Specifically, the fiber-reinforced material is drawn from the unwinding device, passes through guide rollers into the impregnation system, where it comes into full contact with and is impregnated by the resin. Finally, the rewinding device winds up the prepreg roll.

[0004] However, in practical composite material applications, it is sometimes necessary to laminate two or more rolls of prepreg to obtain a composite layer with specific thickness, strength, or functional properties. Under the current production model of prepreg machines, when two rolls of prepreg need to be laminated, they are usually first prepregd separately using a prepreg machine to obtain two rolls of prepreg. Then, these two rolls of prepreg are laminated using additional laminating equipment or manually.

[0005] This production method, which involves pre-impregnating materials separately before bonding them together, has many obvious drawbacks. From a process flow perspective, the entire production process is divided into multiple independent stages, each of which requires equipment debugging, material loading and unloading, and process parameter setting, resulting in a cumbersome process.

[0006] From the perspective of production efficiency, the repeated equipment start-ups and shutdowns, material transfers, and process conversions consume a significant amount of production time, resulting in longer production cycles and reduced production efficiency.

[0007] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0008] (a) Technical problems to be solved

[0009] This application provides a two-in-one prepreg machine that can solve the problem of how to simultaneously prepreg and laminate two rolls of prepreg in the prior art.

[0010] (II) Technical Solution

[0011] To solve the above-mentioned technical problems, this application provides the following technical solution:

[0012] A two-in-one prepreg machine is provided, the two-in-one prepreg machine comprising:

[0013] The frame is provided with two horizontally adjustable slider tray assemblies;

[0014] A first unwinding roller, rotatably disposed on one of the slider tray assemblies, is configured to unwind the first prepreg;

[0015] The second unwinding roller, rotatably mounted on another of the said slider tray assemblies, is configured to unwind the second prepreg;

[0016] An impregnation tank is located at the rear end of the first unwinding roller and the second unwinding roller, and is configured to pre-impregnate the first prepreg and the second prepreg.

[0017] A bonding roller assembly includes at least two bonding rollers rotatably disposed on the frame, the bonding rollers being disposed between the first unwinding roller and the immersion tank, or between the second unwinding roller and the immersion tank;

[0018] A winding device is disposed at the rear end of the impregnation tank and is configured to wind up the first prepreg and the second prepreg after preimpregnation in the impregnation tank.

[0019] The first unwinding roller and the second unwinding roller are parallel or substantially parallel, and are staggered in height and horizontal direction. The first prepreg and the second prepreg are bonded together at the bonding roller after being unwound.

[0020] In some embodiments, the slider support assembly includes a mounting base fixedly disposed on the frame, a slide rail fixedly disposed on the mounting base, a slider slidably connected to the slide rail, a lead screw rotatably disposed on the mounting base and screwed to the slider, a handwheel connected to the lead screw via a transmission assembly, and a locking assembly disposed between the mounting base and the transmission assembly; wherein the lead screw is disposed along a horizontally spaced direction between the first unwinding roller and the second unwinding roller, the locking assembly is configured to fix the transmission assembly, and the first unwinding roller and the second unwinding roller are rotatably disposed on the slider.

[0021] In some embodiments, the transmission assembly includes a wheel axle rotatably connected to the mounting base, a first gear connected to the wheel axle, and a second gear meshing with the first gear. The second gear is connected to the lead screw, and the handwheel is connected to the wheel axle. The locking assembly includes a fixing member fixedly disposed on the mounting base, a clamp disposed on the fixing member, and a locking bolt disposed on the clamp. The fixing member has a through hole. The wheel axle passes through the through hole and the clamp, and the locking bolt is configured to lock the clamp to prevent the wheel axle from rotating.

[0022] In some embodiments, the first unwinding roller is provided with a first drive motor, which is fixedly mounted on the slider and configured to drive the first unwinding roller.

[0023] In some embodiments, the second unwinding roller is provided with a second drive motor, which is fixedly mounted on the slider and configured to drive the second unwinding roller to rotate.

[0024] In some embodiments, the two-in-one prepreg machine further includes an intermediate roller rotatably disposed on the frame and located between the bonding roller and the first unwinding roller and between the bonding roller and the second unwinding roller.

[0025] In some embodiments, the frame is provided with a lifting mechanism, and the intermediate roller is disposed on the lifting mechanism.

[0026] (III) Beneficial Effects

[0027] Compared with the prior art, the beneficial effects of the technical solution provided in this application include at least the following:

[0028] The two-in-one prepreg machine of this application positions the bonding roller assembly between the first unwinding roller and the impregnation tank, or between the second unwinding roller and the impregnation tank, allowing the two rolls of prepreg to be bonded before entering the impregnation tank. This way, when the bonded prepreg enters the impregnation tank, the resin can simultaneously impregnate the fiber reinforcement material of both rolls, achieving synchronous prepreg and bonding. Equally important, the first and second unwinding rollers are parallel or substantially parallel and staggered, ensuring that the two rolls of prepreg do not interfere with each other during unwinding and can be smoothly bonded at the bonding roller. Simultaneously, this positional relationship ensures that the two rolls of prepreg maintain a stable bond when entering the impregnation tank, promoting uniform resin impregnation and thus guaranteeing the quality of prepreg and bonding. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a perspective view of the two-in-one prepreg machine in the embodiments of this application;

[0031] Figure 2 This is an exploded view of the two-in-one prepreg machine in the embodiments of this application;

[0032] Figure 3 yes Figure 2 A sectional view of section A in the middle;

[0033] Figure 4 This is the two-in-one pre-impregnation machine described in the embodiments of this application.

[0034] Figure label:

[0035] Frame 1, slider support plate assembly 11, mounting base 111, slide rail 112, slider 113, lead screw 114, handwheel 115, transmission assembly 116, first gear 1161, second gear 1162, wheel axle 1163, locking assembly 117, fixing part 1171, clamp 1172, locking bolt 1173;

[0036] First unwinding roller 2, first drive motor 21;

[0037] Second unwinding roller 3, second drive motor 31;

[0038] Impregnation tank 4;

[0039] Bonding roller assembly 5, bonding roller 51;

[0040] Rewinding device 6;

[0041] 7. Intermediate roller; 71. Lifting mechanism.

[0042] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0043] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the disclosure. Furthermore, it should be noted that, for ease of description, only the parts relevant to the present disclosure are shown in the accompanying drawings.

[0044] It should be noted that, where there is no conflict, the embodiments and features described in this disclosure can be combined with each other. The technical solutions of this disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0045] Unless otherwise stated, the exemplary implementations / embodiments shown are to be understood as providing exemplary features of various details that provide ways in which the technical concepts of this disclosure can be implemented in practice. Therefore, unless otherwise stated, the features of various implementations / embodiments may be additionally combined, separated, interchanged and / or rearranged without departing from the technical concepts of this disclosure.

[0046] The use of crosshairs and / or shading in the accompanying drawings is generally used to clarify the boundaries between adjacent components. Thus, unless otherwise stated, the presence or absence of crosshairs or shading does not convey or indicate any preference or requirement for the specific material, material properties, dimensions, proportions, commonalities between the illustrated components, or any other characteristics, properties, etc., of the components. Furthermore, in the accompanying drawings, the dimensions and relative dimensions of components may be exaggerated for clarity and / or descriptive purposes. When exemplary embodiments can be implemented differently, a specific process sequence may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in the reverse order of their description. Furthermore, the same reference numerals denote the same components.

[0047] When a component is referred to as being "on" or "above" another component, "connected to," or "joined to" another component, the component may be directly on, directly connected to, or directly joined to the other component, or there may be intermediate components. However, when a component is referred to as being "directly on" another component, "directly connected to," or "directly joined to" another component, there are no intermediate components. Therefore, the term "connection" can refer to a physical connection, an electrical connection, etc., and may or may not have intermediate components.

[0048] For descriptive purposes, this disclosure may use spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side (e.g., in a “sidewall”)” to describe the relationship between one component and another component as shown in the accompanying drawings. In addition to the orientations depicted in the drawings, the spatial relative terms are also intended to encompass different orientations of the device during use, operation, and / or manufacture. For example, if the device in the drawings is flipped, a component described as “below” or “under” another component or feature would subsequently be positioned “above” said other component or feature. Thus, the exemplary term “below” can encompass both “above” and “below” orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.

[0049] The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, unless the context clearly indicates otherwise, the singular forms “a” and “the” are intended to include the plural forms as well. Furthermore, when the terms “comprising” and / or “including” and variations thereof are used in this specification, it indicates the presence of the stated features, integrals, steps, operations, parts, components, and / or groups thereof, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, parts, components, and / or groups thereof. It should also be noted that, as used herein, the terms “substantially,” “about,” and other similar terms are used as approximate terms rather than as terms of degree, thus explaining the inherent biases in measurements, calculated values, and / or provided values ​​that would be recognized by one of ordinary skill in the art.

[0050] The existing two-in-one prepreg machine, which involves prepreg separately and then bonding, has the problems of cumbersome process and low production efficiency.

[0051] To solve the above-mentioned technical problems, this embodiment provides a two-in-one prepreg machine.

[0052] A two-in-one prepreg machine is provided, comprising: a frame 1, a first unwinding roller 2, a second unwinding roller 3, an impregnation tank 4, a bonding roller assembly 5, and a winding device 6.

[0053] The frame 1 is equipped with two horizontally adjustable slider tray assemblies 11.

[0054] A first unwinding roller 2 is rotatably disposed on one of the slider tray assemblies 11 for unwinding the first prepreg.

[0055] The second unwinding roller 3 is rotatably mounted on another slider tray assembly 11 for unwinding the second prepreg.

[0056] Impregnation tank 4 is located at the rear end of the first unwinding roller 2 and the second unwinding roller 3, and is used to pre-impregnate the first prepreg and the second prepreg.

[0057] The bonding roller assembly 5 includes at least two bonding rollers 51 rotatably disposed on the frame 1, wherein the bonding rollers 51 are disposed between the first unwinding roller 2 and the immersion tank 4, or between the second unwinding roller 3 and the immersion tank 4.

[0058] The winding device 6 is located at the rear end of the impregnation tank 4 and is used to wind up the first and second prepreg materials after pre-impregnation in the impregnation tank 4. The winding device 6 can use an existing winding device or winding machine.

[0059] The first unwinding roller 2 and the second unwinding roller 3 are parallel or substantially parallel, and are staggered in height and horizontal direction. The first prepreg and the second prepreg are bonded together at the bonding roller 51 after being unwound.

[0060] The working process of the two-in-one prepreg machine described above is as follows: Unwinding: The first prepreg roll is mounted on the first unwinding roller 2, and the second prepreg roll is mounted on the second unwinding roller 3. Since the first unwinding roller 2 and the second unwinding roller 3 are parallel or approximately parallel and staggered in both height and horizontal directions, the two prepreg rolls can be independently unwound from their respective unwinding rollers. Laminating: As the first and second prepreg rolls move forward, they pass through the laminating roller assembly 5. At least two rotatable laminating rollers 51 in the laminating roller assembly 5 guide the two prepreg rolls to the laminating position through their rotation and surface pressure, and apply a certain pressure to make them tightly bonded together. Prepreg: The two prepreg rolls continue to move forward and enter the impregnation tank 4. In the impregnation tank 4, the two prepreg rolls come into full contact with the resin in the tank. Under the influence of capillary action, pressure, and other factors, the resin impregnates the fiber reinforcement material of the prepreg, completing the prepreg process. Rewinding: After the two rolls of prepreg have exited the impregnation tank 4, they are wound up by the winding device 6 to form the product.

[0061] In some embodiments, the slider support assembly 11 includes a mounting base 111 fixedly disposed on the frame 1, a slide rail 112 fixedly disposed on the mounting base 111, a slider 113 slidably connected to the slide rail 112, a lead screw 114 rotatably disposed on the mounting base 111 and screwed to the slider 113, a handwheel 115 connected to the lead screw 114 via a transmission assembly 116, and a locking assembly 117 disposed between the mounting base 111 and the transmission assembly 116; wherein the lead screw 114 is disposed along the horizontally spaced direction of the first unwinding roller 2 and the second unwinding roller 3, the locking assembly 117 is used to fix the transmission assembly 116, and the first unwinding roller 2 and the second unwinding roller 3 are rotatably disposed on the slider 113. Further, the transmission assembly 116 includes a wheel axle 1163 rotatably connected to the mounting base 111, a first gear 1161 connected to the wheel axle 1163, and a second gear 1162 meshing with the first gear 1161. The second gear 1162 is connected to the lead screw 114, and the handwheel 115 is connected to the wheel axle 1163. The locking assembly 117 includes a fixing member 1171 fixedly disposed on the mounting base 111, a clamp 1172 disposed on the fixing member 1171, and a locking bolt 1173 disposed on the clamp 1172. The fixing member 1171 is provided with a through hole. The wheel axle 1163 is disposed through the through hole and the clamp 1172. The locking bolt 1173 is used to lock the clamp 1172 to prevent the wheel axle 1163 from rotating.

[0062] For example, both ends of the first unwinding roller 2 and the second unwinding roller 3 are provided with slider support plate assemblies 11.

[0063] During installation, the mounting base 111 is fixedly installed on the frame 1 of the two-in-one prepreg machine according to the design requirements. The slide rail 112 is precisely fixed on the mounting base 111, ensuring that its levelness and straightness meet the standards. Then, the slider 113 is slidably connected to the slide rail 112, ensuring that the slider 113 can move smoothly on the slide rail 112. The lead screw 114 is rotatably mounted on the mounting base 111 along the horizontal interval between the first unwinding roller 2 and the second unwinding roller 3 through bearings and other components, and the lead screw 114 and the slider 113 are screwed together to form a lead screw and nut transmission structure. Regarding the transmission component 116, a rotatable axle 1163 is installed on the mounting base 111, and one end of the axle 1163 is connected to a handwheel 115. The first gear 1161 is installed on the axle 1163, and the second gear 1162 is installed on the lead screw 114, so that the first gear 1161 and the second gear 1162 mesh with each other to form a gear transmission structure. In the locking assembly 117, a fixing member 1171 is fixedly installed at a suitable position on the mounting base 111, and a through hole is provided on the fixing member 1171. A clamp 1172 is installed on the fixing member 1171 and equipped with a locking bolt 1173. A wheel axle 1163 passes through the through hole of the fixing member 1171 and the clamp 1172. When it is necessary to adjust the position of the unwinding roller, the locking bolt 1173 is loosened, allowing the clamp 1172 to be in a relaxed state, at which point the wheel axle 1163 can rotate freely. The operator rotates the handwheel 115, which drives the first gear 1161 to rotate via the wheel axle 1163. The first gear 1161 then drives the second gear 1162 to rotate, thereby causing the lead screw 114 to rotate. The rotation of the lead screw 114 drives the slider 113 to move on the slide rail 112, thereby causing the first unwinding roller 2 or the second unwinding roller 3, which is mounted on the slider 113, to move horizontally to adjust the horizontal spacing between the two rolls of prepreg. Once adjusted to the appropriate position, tighten the locking bolt 1173. The clamp 1172 will then grip the axle 1163, preventing it from rotating and thus fixing the transmission assembly 116, stabilizing the position of the unwinding roller. The locking assembly 117 effectively secures the transmission assembly 116, preventing the unwinding roller from shifting due to vibration or other factors during equipment operation, ensuring production stability and consistent product quality.

[0064] For example, the first unwinding roller 2 and the second unwinding roller 3 are provided with a slider support plate assembly 11 at only one end, and the other end is movably mounted on the frame 1, such as by fitting a gap in the shaft hole opened in the frame 1, so that it can move during adjustment operations. When the lead screw 114 rotates to drive the slider 113 to move on the slide rail 112, thereby driving the first unwinding roller 2 or the second unwinding roller 3, which is mounted on the slider 113 at one end, to move in the horizontal direction, the parallel relationship between the first unwinding roller 2 and the second unwinding roller 3 can also be adjusted.

[0065] In some embodiments, the first unwinding roller 2 is equipped with a first drive motor 21, which is fixedly mounted on the slider 113 and used to drive the first unwinding roller 2. The first drive motor 21 is fixedly installed on the slider 113 by bolts or other connection methods. The output shaft of the first drive motor 21 is connected to the shaft end of the first unwinding roller 2 by a coupling or other components to ensure a firm connection and smooth transmission. When the equipment is running, the first drive motor 21 starts, and its output shaft drives the first unwinding roller 2 to rotate, realizing the unwinding operation of the first prepreg. The operator can control the speed of the first drive motor 21.

[0066] In some embodiments, the second drive motor 31 is mounted on the slider 113 using a suitable fixing method, such as fixing the second drive motor 31 to the slider 113 using a motor mounting bracket and bolts. The output shaft of the second drive motor 31 is reliably connected to the shaft end of the second unwinding roller 3 through a coupling or other components to ensure stable power transmission. When the equipment is running, the second drive motor 31 starts, driving the second unwinding roller 3 to rotate, thereby unwinding the second prepreg. The operator can adjust the unwinding speed and direction of the second prepreg by controlling the speed and direction of the second drive motor 31 according to production requirements, ensuring the synchronicity and consistency of the two rolls of prepreg during the bonding process.

[0067] In some embodiments, an intermediate roller 7 is rotatably mounted on the frame 1 of the two-in-one prepreg machine via bearings and other components. The intermediate roller 7 is located between the bonding roller 51 and the first unwinding roller 2, and between the bonding roller 51 and the second unwinding roller 3. When the first prepreg is released from the first unwinding roller 2, it passes through the intermediate roller 7 first, and then enters the bonding roller assembly 5; when the second prepreg is released from the second unwinding roller 3, it similarly passes through the intermediate roller 7 first, and then enters the bonding roller assembly 5. The intermediate roller 7 guides and supports the prepreg, ensuring that the prepreg maintains a stable running trajectory and appropriate tension before entering the bonding roller assembly 5, thus ensuring that the two rolls of prepreg can be smoothly and tightly bonded together at the bonding roller 51.

[0068] Furthermore, the frame 1 is equipped with a lifting mechanism 71, and the intermediate roller 7 is mounted on the lifting mechanism 71. The lifting mechanism 71 is designed and installed on the frame 1. The lifting mechanism 71 can be an existing linear lifting module, such as a hydraulic lifting mechanism or an electric screw lifting mechanism. The intermediate roller 7 is mounted on the lifting component of the lifting mechanism 71 via bearings and other components, allowing the intermediate roller 7 to move vertically up and down with the movement of the lifting mechanism 71. During production, depending on different prepreg specifications, production process requirements, or actual production conditions, operators can control the lifting mechanism 71 to adjust the height of the intermediate roller 7, thereby changing the running angle and tension of the prepreg to adapt to different production needs.

[0069] The two-in-one prepreg machine of this application positions the bonding roller assembly 5 between the first unwinding roller 2 and the impregnation tank 4, or between the second unwinding roller 3 and the impregnation tank 4, so that the two rolls of prepreg are bonded before entering the impregnation tank 4. In this way, when the bonded prepreg enters the impregnation tank 4, the resin can simultaneously impregnate the fiber reinforcement material of both rolls of prepreg, achieving synchronous prepreg and bonding, thereby simplifying the process and improving production efficiency. Equally important, the first unwinding roller 2 and the second unwinding roller 3 are parallel or approximately parallel and staggered, ensuring that the two rolls of prepreg do not interfere with each other during unwinding and can be smoothly bonded at the bonding roller 51. At the same time, this positional relationship also ensures that the two rolls of prepreg maintain a stable bonded state when entering the impregnation tank 4, which is beneficial for uniform resin impregnation, thereby guaranteeing the quality of prepreg and bonding.

[0070] In the description of this specification, the references to terms such as "one embodiment / mode," "some embodiments / modes," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment / mode or example is included in at least one embodiment / mode or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment / mode or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments / modes or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments / modes or examples described in this specification, as well as the features of different embodiments / modes or examples.

[0071] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0072] Those skilled in the art should understand that the above embodiments are merely for illustrating the present disclosure and are not intended to limit the scope of the disclosure. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present disclosure.

Claims

1. A two-in-one prepreg machine characterized by, include: The frame is provided with two horizontally adjustable slider tray assemblies; A first unwinding roller, rotatably disposed on one of the slider tray assemblies, is configured to unwind the first prepreg; The second unwinding roller, rotatably mounted on another of the said slider tray assemblies, is configured to unwind the second prepreg; An impregnation tank is located at the rear end of the first unwinding roller and the second unwinding roller, and is configured to pre-impregnate the first prepreg and the second prepreg. A bonding roller assembly includes at least two bonding rollers rotatably disposed on the frame, the bonding rollers being disposed between the first unwinding roller and the immersion tank, or between the second unwinding roller and the immersion tank; A winding device is disposed at the rear end of the impregnation tank and is configured to wind up the first prepreg and the second prepreg after preimpregnation in the impregnation tank. The first unwinding roller and the second unwinding roller are parallel or substantially parallel, and are staggered in height and horizontal direction. The first prepreg and the second prepreg are bonded together at the bonding roller after being unwound.

2. The two-in-one prepreg machine of claim 1, wherein, The slider support assembly includes a mounting base fixedly disposed on the frame, a slide rail fixedly disposed on the mounting base, a slider slidably connected to the slide rail, a lead screw rotatably disposed on the mounting base and screwed to the slider, a handwheel connected to the lead screw via a transmission assembly, and a locking assembly disposed between the mounting base and the transmission assembly; wherein, the lead screw is disposed along the horizontally spaced direction of the first unwinding roller and the second unwinding roller, the locking assembly is configured to fix the transmission assembly, and the first unwinding roller and the second unwinding roller are rotatably disposed on the slider.

3. The two-in-one prepreg machine of claim 2, wherein, The transmission assembly includes a wheel axle rotatably connected to the mounting base, a first gear connected to the wheel axle, a second gear meshing with the first gear, the second gear being connected to the lead screw, and the handwheel being connected to the wheel axle; The locking assembly includes a fixing member fixedly disposed on the mounting base, a clamp disposed on the fixing member, and a locking bolt disposed on the clamp, wherein the fixing member is provided with a through hole; The axle passes through the through hole and the clamp, and the locking bolt is configured to lock the clamp to prevent the axle from rotating.

4. The two-in-one prepreg machine of claim 1, wherein, The first unwinding roller is equipped with a first drive motor, which is fixedly mounted on the slider and configured to drive the first unwinding roller.

5. The two-in-one pre-dipper of claim 1 or 4, wherein, The second unwinding roller is equipped with a second drive motor, which is fixedly mounted on the slider and configured to drive the second unwinding roller to rotate.

6. The two-in-one pre-dipper of claim 1, wherein, The two-in-one prepreg machine also includes an intermediate roller, which is rotatably mounted on the frame and located between the bonding roller and the first unwinding roller, and between the bonding roller and the second unwinding roller.

7. The two-in-one pre-dipper of claim 6, wherein, The frame is equipped with a lifting mechanism, and the intermediate roller is disposed on the lifting mechanism.

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