CN-117261293-B - Basalt fiber thermoplastic prepreg device

Abstract

The invention discloses a basalt fiber thermoplastic prepreg device which comprises a processing table, wherein a first support frame and a second support frame are fixedly connected to two sides of the top end of the processing table, a yarn guide device is arranged on the first support frame, a winding device is arranged on the second support frame, a prepreg component comprises an impregnating mould and a third support frame, the third support frame is fixedly connected to the top end of the processing table, the impregnating mould is arranged on the third support frame, the yarn guide device and the winding device are respectively arranged corresponding to the impregnating mould, the impregnating mould is used for carrying out prepreg on basalt fibers, a quantitative conveying component is arranged on the impregnating mould and used for conveying prepreg resin on basalt fibers in the impregnating mould, and a cleaning component is arranged on the impregnating mould and used for cleaning the impregnating mould. The invention realizes stable conveying pressure of the prepreg resin, improves the overall impregnation effect, realizes cleaning of the residual prepreg resin, avoids oxidation yellowing or carbonization of the internal stacked prepreg resin after a long time, and ensures continuous production.

Inventors

• LI HONGFU

Assignees

• 北京科技大学

Dates

Publication Date

20260505

Application Date

20231024

Claims (6)

1. 1. A basalt fiber thermoplastic prepreg apparatus, comprising: The device comprises a processing table (1), wherein a first support frame (2) and a second support frame (3) are fixedly connected to two sides of the top end of the processing table (1), a yarn guide device (4) is arranged on the first support frame (2), the yarn guide device (4) is used for outputting basalt fibers, a winding device (5) is arranged on the second support frame (3), and the winding device (5) is used for winding the basalt fibers; The pre-dipping component comprises a dipping mold and a third supporting frame (6), wherein the third supporting frame (6) is fixedly connected to the middle part of the top end of the processing table (1), the dipping mold is arranged on the third supporting frame (6), the yarn guiding device (4) and the winding device (5) are respectively arranged corresponding to the dipping mold, and the dipping mold is used for pre-dipping basalt fibers; The quantitative conveying assembly is arranged on the dipping mold and used for quantitatively conveying the basalt fiber in the dipping mold with presoaked resin; The dipping mold comprises a plurality of pre-dipping grooves (7), wherein the pre-dipping grooves (7) are fixedly connected to the top end of the third supporting frame (6) and distributed at equal intervals along the axial direction, a plurality of pre-dipping passages (8) are formed in the pre-dipping grooves (7), the pre-dipping passages (8) are located on the same axis and are correspondingly arranged in two adjacent pre-dipping passages (8), basalt fibers are located in the pre-dipping passages (8), the quantitative conveying assembly is arranged on the pre-dipping grooves (7) and is correspondingly arranged with the pre-dipping passages (8), the quantitative conveying assembly comprises a plurality of storage boxes (9), the storage boxes (9) are fixedly connected to the top end of the pre-dipping grooves (7), a feed inlet (10) is formed in the outer side wall of each storage box (9), a discharge outlet (11) is formed in the bottom end of each storage box (9), conveying passages (12) are respectively communicated with the discharge outlet (11) and the top end of each pre-dipping passage (8), a main shaft (13) is arranged in the storage boxes (9) and is correspondingly connected with a stirring piece (13), the stirring piece (13) is arranged on the top end of each storage box (13), the cleaning assembly comprises a cleaning frame (25) arranged in the pre-soaking channel (8) and the conveying channel (12), the outer side wall of the cleaning frame (25) is in sliding contact with the inner side wall of the pre-soaking channel (8) and the conveying channel (12), two driving parts are arranged on the pre-soaking channel (7), the two cleaning frames (25) are respectively in sliding cleaning in the pre-soaking channel (8) and the conveying channel (12) through the two driving parts, the driving parts comprise connecting wires (26) fixedly connected to the two sides of the cleaning frame (25), the two ends of the connecting wires (26) respectively penetrate through the cleaning frame (25) in sequence, the pre-soaking channel (7) is located outside the pre-soaking channel (7), two winding rollers (27) are respectively and fixedly connected to the two sides of the pre-soaking channel (7), and the two ends of the connecting wires (26) are respectively and fixedly connected with the two winding rollers (27).
2. 2. The basalt fiber thermoplastic prepreg device according to claim 1, wherein the stirring and conveying part comprises a column body (15) fixedly connected to the main shaft (13), a plurality of stirring plates (16) are fixedly connected to the top of the outer side wall of the column body (15) at equal intervals along the circumferential direction, gaps are formed between one side, away from the main shaft (13), of the stirring plates (16) and the inner side wall of the storage box (9), conveying parts are arranged on the column body (15), and the stirring plates (16) and the storage box (9) are respectively arranged corresponding to the conveying parts.
3. 3. The basalt fiber thermoplastic prepregs device according to claim 2, wherein the conveying member comprises a plurality of vertical sliding grooves (17) formed in the outer side wall of the cylinder (15), a plurality of vertical sliding grooves (17) are respectively and correspondingly arranged with a plurality of stirring plates (16), sliding blocks (18) are arranged in the vertical sliding grooves (17), supporting rings (19) are slidably connected onto the inner side walls of the storage boxes (9), sealing plates (20) are arranged between the supporting rings (19) and the sliding blocks (18), one ends of the sealing plates (20) are fixedly connected with the sliding blocks (18), annular sliding grooves (21) are formed in the inner side walls of the supporting rings (19), the other ends of the sealing plates (20) are slidably connected with the annular sliding grooves (21), long holes are formed in the sealing plates (20), the stirring plates (16) are matched with the long holes, lifting members are arranged on the cylinder (15), and the sliding blocks (18) are slidably connected with the vertical sliding grooves (17) through the lifting members.
4. 4. The basalt fiber thermoplastic prepreg device according to claim 3, wherein the lifting piece comprises a threaded rod (22) rotatably connected in the vertical sliding groove (17), the threaded rod (22) is in threaded connection with the sliding block (18), a first gear (23) is fixedly connected to the top end of the threaded rod (22) extending out of the cylinder (15) in a coaxial mode, a second gear (24) is sleeved on the main shaft (13), the second gear (24) is fixedly connected with the top end inside the storage box (9), and the first gear (23) is meshed with the second gear (24).
5. 5. The basalt fiber thermoplastic preimpregnation device as claimed in claim 4, wherein heating wires are arranged in the preimpregnation groove (7), the storage box (9), the column body (15) and the stirring plate (16).
6. 6. A basalt fiber thermoplastic preimpregnation device according to claim 5, wherein the conveying passage (12) is obliquely arranged at an angle of 10 ° -85 °.

Description

Basalt fiber thermoplastic prepreg device Technical Field The invention relates to the technical field of dipping equipment, in particular to a basalt fiber thermoplastic prepreg device. Background The basalt fiber is continuous fiber drawn from natural basalt, and is a novel inorganic environment-friendly green high-performance fiber material. The basalt continuous fiber has high strength, has various excellent performances such as electric insulation, corrosion resistance, high temperature resistance and the like, is a famous and real green and environment-friendly material, and is widely applied to various aspects such as fiber reinforced composite materials, friction materials, shipbuilding materials, heat insulating materials, automobile industry, high-temperature filter fabrics, protection fields and the like. The basalt fiber is usually required to be pre-impregnated with thermoplastic resin to be prepared into pre-impregnated resin in use, the pre-impregnated treatment equipment in the prior art is used for pre-impregnating the basalt fiber in a mode that one end enters the fiber and the other end exits the fiber, in the treatment process, the resin is generally extruded through an extruder with a spiral structure, and the impregnating mold is of a semi-open type, so that the defect of low internal resin pressure is caused, the impregnating effect is influenced, a large amount of resin is easy to remain in an impregnating groove in the impregnating mold, and the pre-impregnated resin is easy to oxidize and yellow or carbonize after long-time accumulation, so that the continuous production is influenced. In addition, the inorganic fibers such as basalt, carbon fiber, glass fiber and the like have small diameter and crisp quality, and have high requirements on detailed design of the dipping process, and the current melt dipping method is easy to cause broken filaments and fuzzing of the fibers in the dipping process. Accordingly, there is a need for a basalt fiber thermoplastic prepreg apparatus that solves the above-mentioned problems. Disclosure of Invention The invention aims to provide a basalt fiber thermoplastic prepreg device which is used for solving the problems existing in the prior art. The invention provides a basalt fiber thermoplastic prepreg device, which comprises a processing table, a winding device, a first supporting frame, a second supporting frame, a first winding device and a second winding device, wherein the two sides of the top end of the processing table are fixedly connected with the first supporting frame and the second supporting frame respectively; The pre-dipping component comprises a dipping mold and a third supporting frame, the third supporting frame is fixedly connected to the middle of the top end of the processing table, the dipping mold is arranged on the third supporting frame, the yarn guiding device and the winding device are respectively arranged corresponding to the dipping mold, and the dipping mold is used for pre-dipping basalt fibers; a thermoplastic resin quantitative conveying component, typically a screw extruder, is arranged on the impregnating mould and is used for carrying out quantitative conveying of thermoplastic impregnating resin on the basalt fibers in the impregnating mould; And the cleaning assembly is arranged on the dipping mold and is used for cleaning the dipping mold. Preferably, the impregnation die comprises a plurality of prepreg grooves, the prepreg grooves are fixedly connected to the top end of the third support frame and distributed at equal intervals along the axial direction, the interval can be freely adjusted according to actual production conditions, the interval is 0-any length, a plurality of prepreg channels are formed in the prepreg grooves, the prepreg channels are located on the same axis and are correspondingly arranged in adjacent two prepreg channels, basalt fibers are located in the prepreg channels, and the quantitative conveying assembly is arranged on the prepreg grooves and is correspondingly arranged with the prepreg channels. Preferably, the quantitative conveying assembly comprises a plurality of storage boxes, the storage boxes are fixedly connected to the top ends of the pre-soaking grooves, a feed inlet is formed in the outer side wall of each storage box, a discharge outlet is formed in the bottom end of each storage box, conveying channels are formed in the pre-soaking grooves, two ends of each conveying channel are respectively communicated with the corresponding discharge outlet and the top ends of the pre-soaking channels, a main shaft is rotatably connected to the top ends of the middle portions in the storage boxes, stirring conveying pieces are arranged on the main shaft and correspond to the corresponding discharge outlet, a motor is fixedly connected to the middle portions of the top ends of the storage boxes, and the top ends of the main shafts extend out of the storage boxes and are fixedly co