Fiber winding impregnation device

Abstract

This invention provides a fiber winding and impregnation apparatus, comprising a cabinet, an impregnation assembly, a feeding roller, and a scraping assembly. The cabinet contains an operating table with an impregnation tank filled with resin, and a weighing sensor at the bottom for weighing the resin. The impregnation assembly includes an impregnation roller group extending into the impregnation tank and a power mechanism for driving the roller group to move vertically. The feeding roller is located within the cabinet on the feeding side of the impregnation assembly and is equipped with an encoder. The scraping assembly includes a rotating shaft and a scraper plate located above the rotating shaft. The scraper plate has a degree of freedom to move vertically and has an adjusting block at its top. This fiber winding and impregnation apparatus allows for adjustment of the impregnation depth and scraping force for fiber bundles of different specifications during impregnation, ensuring the performance and quality of composite material products.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of fiber bundle impregnation, and particularly relates to a fiber winding impregnation device. BACKGROUND

[0002] The fiber winding process refers to a process of winding fibers impregnated with resin glue liquid onto a core mold according to a certain rule, and then curing and demolding to become a composite material product. The fibers and the resin are mixed together to form a composite material. The fiber winding process is divided into dry winding, wet winding and semi-dry winding. The present application uses wet winding, and the direct impregnation method is the most widely used impregnation technology in the wet winding process. The method is to continuously immerse one or more unidirectional tensioned fiber bundles into an impregnation tank for impregnation, and then remove the excess resin.

[0003] Impregnation is an important link of the fiber winding process, which determines the impregnation degree, fiber strength and resin content of the winding fiber. The resin content has a great influence on the performance of the fiber material product. If the resin content is too high, the strength of the product is reduced, and the resin flows seriously during molding and curing. If the resin content is too low, the porosity of the product increases, and the aging resistance and shear strength decrease. The impregnation depth and scraping intensity of different specifications (different materials or diameters) of fiber bundles during impregnation are different. The existing technology usually changes different impregnation equipment for different fiber bundles to ensure complete impregnation of the fiber bundle. Different fiber bundles correspond to different equipment, which increases the cost. Moreover, the impregnation depth and scraping intensity are usually set according to existing experience, and cannot be adjusted according to actual use to adapt to the impregnation depth and scraping intensity of different specifications of fiber bundles, resulting in unstable performance and quality of the composite material product. After impregnation is completed, the resin on the periphery of the fiber bundle is prone to solidification, and the fluidity is low, which cannot guarantee that the resin is completely impregnated into the fiber bundle, and affects the scraping of the resin contained in the fiber bundle. SUMMARY

[0004] The embodiment of the present application provides a fiber winding impregnation device, which aims to solve the technical problems in the prior art that different specifications of fiber need to change different impregnation equipment to ensure complete impregnation of the fiber bundle, which increases the cost, and cannot be adjusted according to actual use to adapt to the impregnation depth and scraping intensity of different specifications of fiber bundles when conveying different fiber bundles, resulting in unstable performance and quality of the composite material product.

[0005] To achieve the above object, the technical scheme adopted by the present application is to provide a fiber winding impregnation device, comprising:

[0006] The cabinet has openings on opposite sides for fiber bundles to pass through. A first heater is provided on the side wall of the cabinet. An operating table is also provided inside the cabinet. An impregnation tank is provided on the operating table. The impregnation tank contains resin and a weighing sensor is provided at the bottom for weighing the resin.

[0007] A dipping assembly is located on one side of the dipping tank. The dipping assembly includes a dipping roller assembly that extends into the dipping tank and a power mechanism that drives the dipping roller assembly to move in the up-down direction.

[0008] A feed roller is located inside the cabinet and on the feed side of the dip-coating assembly. An encoder is provided on the feed roller.

[0009] The glue scraping assembly is located inside the cabinet and on the discharge side of the glue dipping assembly. The glue scraping assembly includes a rotating shaft and a glue scraper located above the rotating shaft. The glue scraper has the freedom to move in the vertical direction and has an adjustment block on the top.

[0010] In one possible implementation, the dip roller assembly includes a plurality of first rollers spaced apart along a first preset path, the first preset path being parallel to the horizontal direction and perpendicular to the surface of the scraper, the axial directions of the plurality of first rollers being parallel to each other, adjacent first rollers being staggered vertically, and at least one first roller being immersed in the resin in the dip tank.

[0011] In one possible implementation, the impregnation roller assembly further includes two second rollers located on the discharge side of the plurality of first rollers and with their outer peripheral surfaces in contact with each other. The two second rollers are used to squeeze out excess resin from the fiber bundles.

[0012] In one possible implementation, the fiber winding impregnation apparatus as described in claim 1, characterized in that the power mechanism comprises:

[0013] A bracket is fixedly connected to one side wall of the impregnation tank;

[0014] A lead screw, rotatably fitted to the bracket, extends in the vertical direction;

[0015] A knob is fixed to the top of the lead screw;

[0016] A slider, which cooperates with the lead screw, is used to move along the axial direction of the lead screw, and the slider is fixedly connected to the dip roller assembly.

[0017] In one possible implementation, the bracket is further provided with a slide rod, the axis of which is parallel to the lead screw. The slider has a through hole for sliding engagement with the slide rod and a groove. The power mechanism further includes a locking mechanism, which includes:

[0018] Two clamping blocks are slidably fitted into the slide groove, and the two clamping blocks cooperate to clamp the slide rod;

[0019] An adjusting rod connects the two clamping blocks, and the adjusting rod is used to move the two clamping blocks closer together to clamp the slide rod.

[0020] In one possible implementation, a guide wheel is further provided between the feed roller and the impregnation assembly. The outer peripheral surface of the guide wheel is recessed to form a plurality of filament splitting grooves, and the plurality of filament splitting grooves are arranged sequentially along the axial direction of the guide wheel.

[0021] In one possible implementation, a level gauge is also provided in the impregnation tank.

[0022] In one possible implementation, the fiber winding impregnation device further includes a resin replenishment assembly, which includes a storage tank and a supply pipe. The storage tank is located inside the cabinet and below the operating table. The storage tank is used to contain resin. The two ends of the supply pipe are respectively connected to the impregnation tank and the storage tank. A power pump is provided on the supply pipe, and the level gauge is communicatively connected to the power pump.

[0023] In one possible implementation, the cabinet body is further provided with a heating component, the heating component comprising:

[0024] The box is fixed to the operating table and located below the impregnation tank, and the box is filled with water.

[0025] The second heater is fixedly connected to one side wall of the box, and the heating wire of the second heater extends into the inside of the box. The first heater is used to heat the water inside the box.

[0026] The second temperature sensor is located inside the enclosure.

[0027] In one possible implementation, a first temperature sensor is also provided inside the cabinet.

[0028] The fiber winding impregnation device provided by this invention, compared with the prior art, conveys a test fiber bundle of a certain length through a feeding roller, an impregnation assembly, and a scraping assembly. The feeding roller measures the length traveled by the test fiber bundle per unit time and rotates with the test fiber bundle, reducing the friction force during the conveying of the test fiber bundle. A weighing sensor calculates the weight of resin consumed by the test fiber bundle per unit time, and the resin content in the test fiber bundle is calculated. Based on the calculation results, the impregnation depth and scraping force of the test fiber bundle are adjusted, so that the appropriate impregnation depth and scraping force can be adjusted during impregnation of fiber bundles of different specifications. It is not necessary to change different impregnation equipment according to the specifications of the fiber bundle to ensure complete impregnation of the fiber bundle. A first heater is provided in the cabinet. After the fiber bundle is impregnated, the temperature of the cabinet is maintained at a suitable temperature to prevent the resin on the outer periphery of the fiber bundle from solidifying, which facilitates the removal of resin from the fiber bundle by the scraping assembly. After debugging, the fiber bundle is officially conveyed, improving the impregnation quality of the fiber bundle, reducing costs, and ensuring the performance and quality of composite material products. Attached Figure Description

[0029] Figure 1 This is a three-dimensional structural schematic diagram of the fiber winding impregnation device provided in an embodiment of the present invention;

[0030] Figure 2 This is a three-dimensional structural diagram of the impregnation tank used in an embodiment of the present invention;

[0031] Figure 3 This is a schematic diagram of the main structure of the impregnation tank used in an embodiment of the present invention;

[0032] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure along line AA;

[0033] Figure 5 This is a three-dimensional structural diagram of the heating component used in an embodiment of the present invention.

[0034] Explanation of reference numerals in the attached figures:

[0035] 10-Cabinet; 11-Operating table; 12-Immersion tank; 13-Weighing sensor; 14-Level gauge; 15-Guide wheel; 16-Wire dividing channel; 17-Opening; 171-Baffle; 18-First heater; 19-First temperature sensor;

[0036] 20 - Dipping assembly; 21 - Dipping roller assembly; 22 - First roller shaft; 23 - Second roller shaft;

[0037] 30 - Feed roller; 31 - Encoder;

[0038] 40-Glue scraper assembly; 41-Spindle; 42-Glue scraper blade; 43-Adjusting weight;

[0039] 50-Power mechanism; 51-Bracket; 52-Lead screw; 53-Knob; 54-Slider; 541-Through hole; 542-Slide groove; 55-Slide rod; 56-Locking mechanism; 561-Clamping block; 562-Adjusting rod;

[0040] 60 - Glue filling assembly; 61 - Storage tank; 62 - Liquid supply pipe; 63 - Power pump;

[0041] 70-Heating component; 71-Box; 72-Second heater; 73-Second temperature sensor; 74-Valve. Detailed Implementation

[0042] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0043] Please refer to the following: Figures 1 to 5 The fiber winding impregnation apparatus of the present invention will be described below. The fiber winding impregnation apparatus includes a cabinet 10, an impregnation assembly 20, a feed roller 30, and a scraping assembly 40. Openings 17 for fiber bundles to pass through are provided on opposite sides of the cabinet 10. A first heater 18 is provided on the side wall of the cabinet 10. An operating table 11 is also provided inside the cabinet 10. An impregnation tank 12 is provided on the operating table 11, containing resin, and a weighing sensor 13 for weighing the resin is provided at the bottom. The impregnation assembly 20 is located on one side of the impregnation tank 12 and includes an extension... The impregnation tank 12 includes an impregnation roller assembly 21 and a power mechanism 50 for driving the impregnation roller assembly 21 to move in the vertical direction; a feed roller 30 is located inside the cabinet 10 and on the feed side of the impregnation assembly 20, and an encoder 31 is provided on the feed roller 30; a scraper assembly 40 is located inside the cabinet 10 and on the discharge side of the impregnation assembly 20, and the scraper assembly 40 includes a rotating shaft 41 and a scraper 42 located above the rotating shaft 41. The scraper 42 has a degree of freedom to move in the vertical direction, and a weight block 43 is provided on the top.

[0044] It should be noted that the impregnation depth of fiber bundles of different specifications (different diameters and different materials) is different. The height of the impregnation roller group 21 is adjusted for different specifications of fiber bundles, thereby changing the impregnation depth of the fiber bundles so that the fiber bundles of different specifications are fully impregnated. For fiber bundles of special materials, impregnation is not required during the winding process. In this case, the operating power mechanism 50 moves the impregnation assembly 20 upward and removes the adjusting block 43 on the scraper 42. The adjusting block 43 can be a weight.

[0045] Optionally, four weighing sensors 13 can be set and located at the four corners of the impregnation tank 12. The four weighing sensors 13 together measure the weight of the resin in the impregnation tank 12. After weighing, the average value of the data measured by the four weighing sensors 13 is taken to obtain the amount of resin consumed, so that the data measured by the weighing sensors 13 during measurement is more accurate.

[0046] Specifically, to ensure that the adhesive content in the fiber bundles being formally delivered meets the usage requirements, a section of length can be cut from the entire fiber bundle to be delivered as a test fiber bundle, or a section of the front end of the fiber bundle can be used as a test fiber bundle. The test fiber bundle is used first for testing, and the impregnation component 20 and the scraping component 40 are adjusted until the appropriate impregnation depth and scraping force are achieved, so that the adhesive content of the fiber bundle meets the usage requirements, before the fiber bundle is formally delivered. When using a section of the front end of the fiber bundle as a test fiber bundle, since the length that the fiber bundle travels during the test is a small proportion of the total length, an unqualified adhesive content in the test fiber bundle will not affect the overall strength of the composite material product formed after the fiber bundle is impregnated. Therefore, the remaining fiber bundle can be delivered after the adjustment is completed.

[0047] Optionally, the first heater 18 is an electric heater, and the glue scraper assembly 40 can be located in the glue dipping tank 12. The resin scraped off by the glue scraper 42 can flow into the glue dipping tank 12 to avoid waste of resin.

[0048] Specifically, multiple baffles 171 can be installed at the opening 17, connected to the cabinet 10 via threaded connectors. Fiber bundles pass through the gap between two adjacent baffles 171. Different specifications of fiber bundles have different tension levels, therefore the transmission height of different fiber bundles also varies. The position of the baffles 171 is adjusted according to the transmitted fiber bundles to ensure that the test fiber bundles can pass through the opening 17 normally. The remaining gaps in the opening 17 are connected by baffles 171 to prevent excessive temperature loss inside the cabinet 10 (e.g., ...). Figure 1 (As shown).

[0049] The fiber winding impregnation device provided by this invention is implemented as follows: A weighing sensor 13 measures the weight of the resin in the impregnation tank 12, and a test fiber bundle is fed to the feed roller 30. The feed roller 30 supports the test fiber bundle as it passes through and rotates with it. An encoder 31 measures the number of rotations of the feed roller 30 per unit time. After passing through the feed roller 30, the test fiber bundle enters the impregnation tank 12 to begin impregnation. The test fiber bundle is wound around the impregnation roller assembly 21 for impregnation. A power mechanism 50 can change the height of the impregnation roller assembly 21. After the test fiber bundle is impregnated, it passes through a scraper assembly 40. A rotating shaft 41 supports the impregnated test fiber bundle, and a scraper plate 42 slides vertically to scrape out the test fiber bundle. Excess resin can be removed by adjusting the weight block 43 to change the scraping force of the test fiber bundle. The resin content in the test fiber bundle is calculated based on the mass of resin consumed by the test fiber bundle per unit time measured by the weighing sensor 13 and the number of rotations of the feed roller 30 per unit time measured by the encoder 31. The resin content of the test fiber bundle is then judged based on the calculation results to determine whether it meets the requirements. If it does not meet the requirements, the height of the impregnation roller group 21 is adjusted by the power mechanism 50 to change the impregnation depth of the test fiber bundle, and / or the number of adjusting weight blocks 43 on the scraper 42 is adjusted to change the resin content in the test fiber bundle to meet the usage requirements. After the resin content in the test fiber bundle meets the requirements, the fiber bundle is officially delivered.

[0050] The fiber winding and impregnation apparatus provided by this invention, compared with the prior art, can transmit a test fiber bundle of a certain length through the feed roller 30, impregnation assembly 20, and scraping assembly 40 before the formal transmission of the fiber bundle. The feed roller 30 measures the length traveled by the test fiber bundle per unit time and rotates with the test fiber bundle, reducing the friction force during transmission. The weighing sensor 13 calculates the weight of resin consumed by the test fiber bundle per unit time. Based on the length traveled by the test fiber bundle per unit time and the weight of resin consumed by the test fiber bundle per unit time, the resin content in the test fiber bundle is calculated. Based on the calculation results, the impregnation depth and scraping force of the test fiber bundle are adjusted to ensure that the resin content in the test fiber bundle is within the required range. The resin content meets the requirements. The cabinet 10 is equipped with a first heater 18. After the fiber bundle is impregnated with resin, the temperature of the cabinet 10 is maintained at a suitable temperature to prevent the resin on the outer periphery of the fiber bundle from solidifying. This facilitates the removal of resin from the fiber bundle by the scraping component 40. After that, the fiber bundle is officially conveyed. This allows for the adjustment of the appropriate impregnation depth and scraping force when impregnating fiber bundles of different specifications. It eliminates the need to change different impregnation equipment according to the specifications of the fiber bundles to ensure complete impregnation, thereby improving the impregnation quality of the fiber bundles, reducing costs, and ensuring the performance and quality of composite material products. Furthermore, the impregnation depth and scraping force of different fiber bundles can be adjusted according to actual conditions to meet the usage requirements of fiber bundles of different specifications.

[0051] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 2 The structure shown. See also Figure 2 The impregnation roller assembly 21 includes multiple first rollers 22 spaced apart along a first preset path. The first preset path is parallel to the horizontal direction and perpendicular to the surface of the scraper 42, respectively. The axial directions of the multiple first rollers 22 are parallel to each other, and adjacent first rollers 22 are staggered vertically. At least one first roller 22 is immersed in the resin in the impregnation tank 12. By setting the adjacent first rollers 22 to be staggered vertically, the fiber bundle moves forward around the multiple first rollers 22 for impregnation, so that the outer surface of the fiber bundle can be immersed in resin, ensuring the impregnation quality of the fiber bundle.

[0052] Specifically, there can be five first rollers 22. The fiber bundle passes through the bottom of the first roller 22, the top of the second roller 22, the bottom of the third roller 22, the top of the fourth roller 22, and the bottom of the fifth roller 22. This arrangement allows the fiber bundle to be immersed in the resin multiple times during the transmission process, ensuring the quality of the resin impregnation.

[0053] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 2 The structure shown. See also Figure 2 The impregnation roller assembly 21 also includes two second rollers 23, which are located on the discharge side of the plurality of first rollers 22 and have their outer peripheral surfaces in contact with each other. The two second rollers 23 are used to squeeze and remove excess resin from the fiber bundles. The outer peripheral surfaces of the two second rollers 23 are in contact with each other and located on the discharge side of the plurality of first rollers 22. The fiber bundles are wavy and pass around the plurality of first rollers 22 and are conveyed at a uniform speed along a first preset path. Due to the manufacturing requirements of the composite material formed by the resin and the fiber bundles, the resin content in the fiber bundles cannot be too high. After the fiber bundles are impregnated with resin, they pass through the gap between the two second rollers 23, which can initially squeeze and remove excess resin from the outer periphery of the fiber bundles, ensuring the impregnation quality of the composite material.

[0054] Optionally, the dip roller assembly 21 can be rotatably connected to the slider 54, and the dip roller assembly 21 can rotate together with the fiber bundle, which can reduce the friction when conveying the fiber bundle.

[0055] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 2 and Figure 3 The structure shown. See also Figure 2 and Figure 3The power mechanism 50 includes a bracket 51, a lead screw 52, ​​a knob 53, and a slider 54. The bracket 51 is fixedly connected to one side wall of the impregnation tank 12. The lead screw 52 is rotatably coupled to the bracket 51 and extends vertically. The knob 53 is fixed to the top of the lead screw 52. The slider 54 cooperates with the lead screw 52 for axial movement along the lead screw 52 and is fixedly connected to the impregnation roller assembly 21. The slider 54 cooperates with the lead screw 52 to move axially along the lead screw 52. By rotating the knob 53, the lead screw 52 is rotated, causing the slider 54 to slide axially along the lead screw 52, ​​changing the height of the impregnation roller assembly 21, thereby adjusting the impregnation depth of the fiber bundle and reducing labor intensity. By adjusting the impregnation depth, fiber bundles of different specifications can be adjusted to their suitable impregnation depth during impregnation, improving the impregnation quality of the fiber bundles.

[0056] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 2 , Figure 3 and Figure 4 The structure shown. See also Figure 2 , Figure 3 and Figure 4 The bracket 51 is also provided with a slide rod 55, the axis of which is parallel to the lead screw 52. The slider 54 is provided with a through hole 541 that slides and engages with the slide rod 55. The slider 54 is provided with a groove 542. The power mechanism 50 also includes a locking mechanism 56, which includes two clamping blocks 561 and an adjusting rod 562. The two clamping blocks 561 are respectively slidably engaged with the groove 542. The two clamping blocks 561 cooperate to clamp the slide rod 55. The adjusting rod 562 connects the two clamping blocks 561 and is used to drive the two clamping blocks 561 to move closer to each other to clamp the slide rod 55. The slider 54 slides in conjunction with the slide rod 55. Rotating the lead screw 52 causes the slider 54 to move along the axial direction of the lead screw 52. During the movement, the slider 54 also slides along the slide rod 55, thereby improving the stability of the slider 54 during the up-and-down sliding process along the lead screw 52. The two clamping blocks 561 are located on both sides of the slide rod 55. After rotating the lead screw 52 to move the slider 54 to the required position and determining the impregnation depth of the fiber bundle, the adjusting rod 562 is rotated to bring the two clamping blocks 561 closer to each other until they are clamped on the outer periphery of the slide rod 55, thus locking them and preventing the impregnation roller group 21 from sliding down due to gravity. This fixes the height of the impregnation roller group 21 and ensures that the fiber bundle is impregnated smoothly.

[0057] Specifically, each of the two clamping blocks 561 has an arc-shaped surface on one side facing the slide bar 55, which is suitable for the outer circumference of the slide bar 55, thereby increasing the contact surface with the slide bar 55 and improving the stability of the two clamping blocks 561 clamping the slide bar 55 together.

[0058] Optionally, the two clamping blocks 561 are provided with reverse threads, and the adjusting rod 562 is connected by a screw or lead screw. By rotating the adjusting rod 562, the distance between the two clamping blocks 561 is controlled, so that the two clamping blocks 561 can move closer to each other to lock the slide bar 55, or separate from each other to release the slide bar 55.

[0059] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus can be as shown in Figure 1. Figure 1 and Figure 2 The structure shown. See also Figure 1 and Figure 2 A guide wheel 15 is also provided between the feed roller 30 and the impregnation assembly 20. The outer circumferential surface of the guide wheel 15 is recessed to form multiple fiber-separating grooves 16, which are arranged sequentially along the axial direction of the guide wheel 15. The guide wheel 15 is provided with multiple fiber-separating grooves 16, which are used to place single fiber bundles. When multiple fiber bundles are impregnated at the same time, a certain distance is maintained between adjacent fiber bundles to prevent them from entangled and affecting complete impregnation. In addition, it is inconvenient to remove excess resin from the fiber bundles during scraping. After the fiber bundles are impregnated, a winding process is required, and entangled fiber bundles will affect the winding quality during the winding process.

[0060] Specifically, the guide wheel 15 can be connected to the side wall of the impregnation tank 12 via a fixed shaft. The guide wheel 15 rotates and engages with the fixed shaft, which can reduce the friction between the fiber bundle and the guide wheel 1 when the fiber bundle is being conveyed.

[0061] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 1 The structure shown. See also Figure 1 The impregnation tank 12 is also equipped with a level gauge 14. When the resin in the impregnation tank 12 reaches the minimum level, an alarm can be sounded and resin can be automatically replenished to ensure that the resin level in the impregnation tank 12 reaches the qualified level. Compared with manually observing the resin level in the impregnation tank 12 and replenishing the resin, this effectively reduces the labor intensity of workers, improves work efficiency, and prevents the inability to replenish the resin in time, thus ensuring the normal operation of the fiber winding impregnation device of this application.

[0062] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 1 The structure shown. See also Figure 1The fiber winding impregnation device also includes a resin replenishment assembly 60, which comprises a storage tank 61 and a supply pipe 62. The storage tank 61 is located inside the cabinet 10 and below the operating table 11. The storage tank 61 is used to hold resin. The two ends of the supply pipe 62 are connected to the impregnation tank 12 and the storage tank 61, respectively. A power pump 63 is installed on the supply pipe 62, and a level gauge 14 is communicatively connected to the power pump 63. When the resin level in the impregnation tank 12 reaches the minimum level, the level gauge 14 controls the power pump 63 to start, and the power pump 63 replenishes the resin in the storage tank 61 into the impregnation tank 12, thereby completing automatic resin replenishment and effectively reducing the labor intensity of workers.

[0063] It should be noted that the resin is composed of two components, referred to as component A and component B. The two components will react when mixed together, so two storage tanks 61 need to be set up to contain component A and component B respectively. When the resin needs to be replenished, the two components will be extracted in proportion and added to the impregnation tank 12.

[0064] Optionally, resin replenishment can be stopped once the level of the replenished resin exceeds the acceptable level.

[0065] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 1 and Figure 5 The structure shown. See also Figure 1 and Figure 5 The cabinet 10 is also equipped with a heating assembly 70, which includes a housing 71, a second heater 72, and a second temperature sensor 73. The housing 71 is fixed to the operating table 11 and located below the impregnation tank 12. The housing 71 contains water. The second heater 72 is fixedly connected to one side wall of the housing 71. The heating wire of the second heater 72 extends into the housing 71. The second heater 72 is used to heat the water in the housing 71. The second temperature sensor 73 is located inside the housing 71. After the resin is injected into the impregnation tank 12, the second heater 72 heats the water in the chamber 71, and the steam generated by the heated water heats the resin in the impregnation tank 12 above the chamber 71, thereby maintaining the resin at a suitable temperature, improving the resin's fluidity, allowing the fiber bundle to fully absorb the resin, and improving the impregnation efficiency of the fiber bundle; the second temperature sensor 73 can monitor the temperature inside the chamber 71 at all times. If the temperature inside the chamber 71 is too low, it controls the second heater 72 to start heating to ensure the impregnation process of the fiber bundle.

[0066] Optionally, the second heater 72 is a heating coupler, and multiple couplers can be spaced apart on the side wall of the housing 71 to improve heating efficiency; the second temperature sensor 73 is a water temperature sensor.

[0067] It should be noted that a valve 74 is provided at the bottom of the housing 71 (e.g.,Figure 5 As shown, when there is a lack of water in the tank 71, a water supply pipe can be connected to the valve 74 to replenish the water, or the water inside the tank 71 can be drained by opening the valve 74 after the resin is no longer heated; a groove can be made on the side wall of the tank 71, and a glass plate can be placed in the groove to observe the amount of water in the tank 71.

[0068] In some embodiments, an improved implementation of the above-described fiber winding impregnation apparatus may employ, as follows: Figure 1 The structure shown. See also Figure 1 The cabinet 10 is also equipped with a first temperature sensor 19. The first heater 18 heats the space inside the cabinet 10 so that the temperature inside the cabinet 10 is the same as the temperature of the resin, so that the fiber bundle can better absorb the resin and improve the impregnation effect of the fiber bundle; the first temperature sensor 19 monitors the temperature inside the cabinet 10 at all times. If the temperature inside the cabinet 10 is too low, it controls the first heater 18 to start heating to ensure the impregnation process of the fiber bundle.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fiber winding and impregnation device, characterized in that, include: The cabinet has openings on opposite sides for fiber bundles to pass through. A first heater is provided on the side wall of the cabinet. An operating table is also provided inside the cabinet. An impregnation tank is provided on the operating table. The impregnation tank contains resin and a weighing sensor is provided at the bottom for weighing the resin. A dipping assembly is located on one side of the dipping tank. The dipping assembly includes a dipping roller assembly that extends into the dipping tank and a power mechanism that drives the dipping roller assembly to move in the up-down direction. A feed roller is located inside the cabinet and on the feed side of the dip-coating assembly. An encoder is provided on the feed roller. A scraper assembly is installed inside the cabinet and located on the discharge side of the glue-impregnation assembly. The scraper assembly includes a rotating shaft and a scraper plate located above the rotating shaft. The scraper plate has the freedom to move in the up and down direction and is provided with an adjustment block at the top. Specifically, the resin content in the test fiber bundle is calculated based on the mass of resin consumed by the test fiber bundle per unit time measured by the weighing sensor and the number of rotations of the feed roller per unit time measured by the encoder. The height of the impregnation roller group is adjusted by the power mechanism to change the impregnation depth of the test fiber bundle, and / or the number of the adjusting blocks on the scraper plate is adjusted, thereby changing the resin content in the test fiber bundle to meet the usage requirements.

2. The fiber winding impregnation apparatus as described in claim 1, characterized in that, The dip roller assembly includes a plurality of first rollers spaced apart along a first preset path. The first preset path is parallel to the horizontal direction and perpendicular to the surface of the scraper, respectively. The axial directions of the plurality of first rollers are parallel to each other, and adjacent first rollers are staggered vertically. At least one first roller is immersed in the resin in the dip tank.

3. The fiber winding impregnation apparatus as described in claim 2, characterized in that, The impregnation roller assembly also includes two second rollers located on the discharge side of the plurality of first rollers, with their outer peripheral surfaces in contact with each other. The two second rollers are used to squeeze out excess resin from the fiber bundles.

4. The fiber winding impregnation apparatus as described in claim 1, characterized in that, The power mechanism includes: A bracket is fixedly connected to one side wall of the impregnation tank; A lead screw, rotatably fitted to the bracket, extends in the vertical direction; A knob is fixed to the top of the lead screw; A slider, which cooperates with the lead screw, is used to move along the axial direction of the lead screw, and the slider is fixedly connected to the dip roller assembly.

5. The fiber winding impregnation apparatus as described in claim 4, characterized in that, The bracket is also provided with a sliding rod, the axis of which is parallel to the lead screw. The slider has a through hole for sliding engagement with the sliding rod and a sliding groove. The power mechanism also includes a locking mechanism, which includes: Two clamping blocks are slidably fitted into the slide groove, and the two clamping blocks cooperate to clamp the slide rod; An adjusting rod connects the two clamping blocks, and the adjusting rod is used to move the two clamping blocks closer together to clamp the slide rod.

6. The fiber winding impregnation apparatus as described in claim 1, characterized in that, A guide wheel is also provided between the feed roller and the impregnation assembly. The outer circumferential surface of the guide wheel is recessed to form multiple filament splitting grooves, and the multiple filament splitting grooves are arranged sequentially along the axial direction of the guide wheel.

7. The fiber winding impregnation apparatus as described in claim 1, characterized in that, The impregnation tank is also equipped with a level gauge.

8. The fiber winding impregnation apparatus as described in claim 7, characterized in that, The fiber winding impregnation device also includes a resin replenishment assembly, which includes a storage tank and a supply pipe. The storage tank is located inside the cabinet and below the operating table. The storage tank is used to contain resin. The two ends of the supply pipe are respectively connected to the impregnation tank and the storage tank. A power pump is provided on the supply pipe. The level gauge and the power pump are communicatively connected.

9. The fiber winding impregnation apparatus as described in claim 1, characterized in that, The cabinet is also equipped with a heating component, which includes: The box is fixed to the operating table and located below the impregnation tank, and the box is filled with water. The second heater is fixedly connected to one side wall of the housing, and the heating wire of the second heater extends into the interior of the housing; The second temperature sensor is located inside the enclosure.

10. The fiber winding impregnation apparatus as described in claim 1, characterized in that, The cabinet is also equipped with a first temperature sensor.

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