Winding forming device for carbon fiber preform

Abstract

The invention discloses a winding forming device for a carbon fiber preform, which belongs to the technical field of carbon fiber preform processing and comprises a support assembly, a carbon fiber tow lifting assembly, a carbon fiber preform winding forming assembly, a carbon fiber tow hot-pressing assembly, a carbon fiber preform discharging assembly and a controller. The device is provided with the support assembly, the carbon fiber tow lifting assembly, the carbon fiber preform winding and forming assembly, the carbon fiber tow hot-pressing assembly, the carbon fiber preform discharging assembly, the multiple rotary opening and closing assemblies and the multiple extension and contraction type rolling assemblies; winding, hot pressing, curing forming and discharging of the carbon fiber preform can be integrated and automatic, and the winding forming efficiency of the carbon fiber preform is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of carbon fiber preform processing, and particularly relates to a winding forming device for carbon fiber preform. BACKGROUND

[0002] The carbon fiber preform winding forming device is an automatic mechanical equipment specially used for manufacturing carbon fiber reinforced composite preform, which forms a preform with a designed shape and fiber arrangement by precisely controlling carbon fiber bundles or prepreg to be wound on the surface of a core mold according to a specific path and hot-pressed.

[0003] The current carbon fiber preform winding forming device is generally disassembled and taken by additional equipment after winding and hot-pressing forming. For details, refer to the hardening and shaping tool for the cylindrical carbon fiber preform disclosed in patent CN202123309910.2, which has the following problems: the degree of automation of demolding is low, the additional equipment is easy to cause damage to the carbon fiber preform, and the winding forming efficiency of the carbon fiber preform is reduced.

[0004] In view of this, a winding forming device for carbon fiber preform is designed to solve the above problems. SUMMARY

[0005] To solve the problems in the background art, the application provides a winding forming device for carbon fiber preform, which has the characteristics of integrating winding, hot-pressing, curing forming and discharging of carbon fiber preform and automation, and improving the winding forming efficiency of carbon fiber preform.

[0006] To achieve the above purpose, the application provides the following technical scheme: a winding forming device for carbon fiber preform, comprising: A support assembly supports the carbon fiber preform winding forming assembly to perform winding forming of the carbon fiber preform. A carbon fiber tow lifting assembly is assembled on the support assembly, places carbon fiber tows impregnated with resin, and winds the carbon fiber tows impregnated with resin through lifting cooperation. A carbon fiber preform winding forming assembly is assembled on the support assembly and cooperates with the carbon fiber tow lifting assembly to rotate, so that the carbon fiber tows impregnated with resin are wound on the carbon fiber preform winding forming assembly through rotating lifting. A carbon fiber tow hot-pressing assembly is assembled on the support assembly and cooperates with the carbon fiber preform winding forming assembly to move, hot-presses the carbon fiber tows impregnated with resin wound on the carbon fiber preform winding forming assembly, and then makes them curing forming. A carbon fiber preform discharging assembly is assembled on the carbon fiber preform winding forming assembly and is used for rolling upward to convey the wound and formed carbon fiber preform to complete automatic discharging, and comprises: A plurality of rotating opening and closing assemblies are equidistantly arranged on the carbon fiber prepreg winding forming assembly in the circumferential direction, and the opening and closing of the carbon fiber prepreg winding forming assembly is realized by rotation; A plurality of extension and contraction rolling assemblies are correspondingly arranged on the carbon fiber prepreg winding forming assembly with the plurality of rotating opening and closing assemblies, and when the carbon fiber prepreg winding forming assembly is closed, the extension and contraction rolling assemblies are contracted in the carbon fiber prepreg winding forming assembly, and when the carbon fiber prepreg winding forming assembly is opened, the extension and contraction rolling assemblies are extended out of the carbon fiber prepreg winding forming assembly to contact and roll the winding formed carbon fiber prepreg, and the winding formed carbon fiber prepreg is upwardly conveyed. A controller controls the operation of the carbon fiber tow lifting assembly, the carbon fiber prepreg winding forming assembly, the carbon fiber tow hot pressing assembly and the carbon fiber prepreg discharging assembly to complete the winding forming of the carbon fiber prepreg.

[0007] Further, the support assembly comprises a lower support, and four support legs are fixedly connected to the top corners of the lower support, and an upper support is fixedly connected to the top ends of the four support legs.

[0008] Further, the carbon fiber tow lifting assembly comprises a first motor fixedly connected to one side of the top end of the upper support, a first screw rotatably connected to the same side of the upper support, and a first positioning rod fixedly connected to the same side of the top end of the upper support, the output end of the first motor extends below the upper support and is fixedly sleeved with a first gear, the two ends of the first screw extend above and below the upper support respectively, the bottom end of the first screw is fixedly sleeved with a second gear, the second gear is meshingly connected with the first gear, and the top ends of the first screw and the first positioning rod are sleeved with a placing seat, and the placing seat is sleeved with a carbon fiber tow rack impregnated with resin.

[0009] Further, the carbon fiber prepreg winding forming assembly comprises a rotating seat rotatably connected to the middle of the upper support, a second pulley fixedly sleeved on the first screw between the upper support and the first gear, and a winding forming cylinder arranged above the middle of the upper support, the two ends of the rotating seat extend above and below the upper support respectively, the bottom end of the rotating seat is fixedly sleeved with a first pulley, the first pulley and the second pulley are externally sleeved with a friction transmission belt, and the bottom end of the winding forming cylinder is provided with a rotating groove, and the top end of the rotating seat extends into the rotating groove and is fixedly connected thereto.

[0010] Further, the carbon fiber tow hot pressing assembly comprises a support frame fixedly connected to the top end of the upper support away from the placing seat, an electric cylinder fixedly connected to the side wall of the winding forming cylinder away from the support frame, and a hot pressing plate fixedly connected to the output end of the electric cylinder away from the other side, the hot pressing plate is composed of a hollow heat conducting plate and an electric heating pipe, the hollow heat conducting plate is fixedly connected to the output end of the electric cylinder, and the electric heating pipe is fixedly connected to the inside of the heat conducting plate.

[0011] Further, the rotating opening and closing assembly comprises a first driving cavity formed in the inside of the winding forming cylinder, a conveying through slot formed in the side wall of the winding forming cylinder and communicated with the first driving cavity, a second motor fixed on one side of the top end of the first driving cavity, a second positioning rod fixed on the top end of the first driving cavity, a second screw rod rotatably connected to the winding forming cylinder, and a second driving cavity formed in the inside of the winding forming cylinder below the first driving cavity, the inside of the conveying through slot is provided with a closing plate, the bottom end of the closing plate is rotatably connected with the bottom end of the conveying through slot through a connecting rotating shaft, the side wall top end close to the first driving cavity and the bottom end of the first driving cavity are both fixed with a hook seat at the corresponding positions, the two hook seats are elastically hooked with a tension spring, the output end of the second motor extends into the inside of the second driving cavity and is fixedly sleeved with a fourth gear, the second positioning rod and the second screw rod are located between the closing plate and the tension spring, the two ends of the second screw rod respectively extend to the first driving cavity and the second driving cavity, the second positioning rod and the second screw rod are sleeved with an extrusion block abutting against the closing plate, the bottom end of the second screw rod is fixedly sleeved with a third gear, the top end of the second driving cavity is fixedly connected with a first mounting seat, the first mounting seat is rotatably sleeved with a first outer gear ring outside, the fourth gear and the third gear are meshingly connected with the first outer gear ring.

[0012] Further, the telescopic rolling assembly comprises an inner cylinder body fixed in the middle of the hooks at the bottom end of the first driving cavity, a follower rod rotatably connected to the winding forming cylinder, a third driving cavity opened in the winding forming cylinder below the second driving cavity, and a third motor fixed in the rotating groove, the inner cylinder body is sequentially provided with a lower movable groove and an upper movable groove from bottom to top, a vertical fixed rod is fixedly connected in the lower movable groove, a sliding plate is slidably connected to the vertical fixed rod, a connecting spring with two ends fixedly connected to the sliding plate and the bottom end of the lower movable groove is sleeved on the vertical fixed rod, a vertical rack is fixedly connected to the sliding plate close to the end wall of the inner cylinder body, a rotating shaft is rotatably connected in the inner cylinder body, a fifth gear is fixedly sleeved on the rotating shaft, the fifth gear is meshingly connected with the vertical rack, a conveying frame is arranged in the upper movable groove, the conveying frame is sequentially provided with a movable through groove and a supporting through groove from close to far from the inner cylinder body, the top end of the vertical rack extends to the upper side through the movable through groove, two horizontal racks are symmetrically fixed to the bottom end of the conveying frame through two supporting blocks, the two horizontal racks are meshingly connected with the fifth gear extending out of the vertical rack part, a horizontal fixed rod is fixedly connected in the supporting through groove, a supporting rod is slidably connected to the horizontal fixed rod, the top end of the supporting rod is fixedly connected to the top end of the first driving cavity, a rolling shaft is rotatably connected to the bottom end of the side far from the inner cylinder body of the conveying frame, two rollers are fixedly sleeved on the rolling shaft, a follower conical wheel is fixedly sleeved on one end of the rolling shaft, the follower rods extend into the first driving cavity and the third driving cavity respectively, a driving conical wheel meshingly connected with the moved follower conical wheel is fixedly sleeved on the top end of the follower rod, a sixth gear is fixedly sleeved on the bottom end of the follower rod, one of the two sixth gears at the corresponding position is high and the other is low, the bottom end of one of the follower rods is connected with the output end of the third motor through a shaft coupling, a second mounting seat is fixedly connected to the top end of the third driving cavity, a second outer gear ring is rotatably sleeved outside the second mounting seat, the low-position sixth gear is meshingly connected with the second outer gear ring, seventh gears are rotatably connected in the third driving cavity at positions corresponding to the two high-position sixth gears, the seventh gears are meshingly connected with the second outer gear ring and the high-position sixth gears.

[0013] Compared with the prior art, the present application has the following advantages: The present application sets up a support assembly, a carbon fiber tow lifting assembly, a carbon fiber preform winding forming assembly, a carbon fiber tow hot pressing assembly, a carbon fiber preform discharging assembly, a plurality of rotating opening and closing assemblies, and a plurality of telescopic rolling assemblies. Through the cooperation between the assemblies, the winding, hot pressing, curing forming, and discharging of the carbon fiber preform are integrated and automated, and the winding forming efficiency of the carbon fiber preform is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the present application; Figure 2 It is a vertical sectional view of the present application; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is a vertical sectional view of the present invention from another perspective; Figure 5 This is a partial vertical sectional view of the present invention from another perspective; Figure 6 This is a partial vertical sectional view of the present invention from another perspective; Figure 7 For the present invention Figure 6 Enlarged view at point B in the middle; Figure 8 For the present invention Figure 6 Enlarged view at point C; Figure 9 For the present invention Figure 6 Enlarged view at point D; Figure 10 This is a cross-sectional view of the present invention; In the diagram: 1. Controller; 101. Upper support; 102. Lower support; 103. Support leg; 201. First gear; 202. First motor; 203. Second gear; 204. First positioning rod; 205. First screw; 206. Placement base; 301. Winding molding cylinder; 302. Rotating groove; 303. Rotating seat; 304. Belt; 305. First pulley; 306. Second pulley; 401. Support frame; 402. Electric cylinder; 403. Hot press plate; 501. First drive chamber; 502. Second drive chamber; 503. Extrusion block; 504. Conveying channel; 505. Sealing plate; 506. Connecting shaft; 507. Second positioning rod; 508. Second screw; 509. Hook seat; 510. Tension spring; 511. Third gear; 512. First mounting base; 513. First external gear ring; 514. Second motor; 515. Fourth gear; 601. Third drive chamber; 602. Lower movable groove; 603. Vertical fixed rod; 604. Connecting spring; 605. Rolling shaft; 606. Sliding plate; 607. Horizontal fixed rod; 608. Rotating shaft; 609. Inner cylinder; 610. Fifth gear; 611. Movable through groove; 612. Horizontal rack; 613. Vertical rack; 614. Upper movable groove; 615. Support through groove; 616. Support rod; 617. Conveyor frame; 618. Roller; 619. Follower rod; 620. Driving conical wheel; 621. Follower conical wheel; 622. Sixth gear; 623. Second external gear ring; 624. Second mounting base; 625. Seventh gear; 626. Third motor. Detailed Implementation

[0015] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0016] The present application provides the following technical solutions: a carbon fiber prepreg winding forming device, comprising: A support assembly supports the carbon fiber prepreg winding forming assembly to perform winding forming of the carbon fiber prepreg. A carbon fiber tow lifting assembly is assembled on the support assembly, places the carbon fiber tow impregnated with resin, and winds the carbon fiber tow impregnated with resin through lifting cooperation. A carbon fiber prepreg winding forming assembly is assembled on the support assembly, cooperates with the carbon fiber tow lifting assembly to rotate, and makes the carbon fiber tow impregnated with resin rotate and lift to be wound on the carbon fiber prepreg winding forming assembly. A carbon fiber tow hot pressing assembly is assembled on the support assembly, cooperates with the carbon fiber prepreg winding forming assembly to move, hot-presses the carbon fiber tow impregnated with resin wound on the carbon fiber prepreg winding forming assembly, and then makes the carbon fiber tow impregnated with resin solidify and form. A carbon fiber prepreg discharging assembly is assembled on the carbon fiber prepreg winding forming assembly, and is used to roll upwardly convey the wound and formed carbon fiber prepreg to complete automatic discharging, and comprises: A plurality of rotating opening and closing assemblies are assembled on the carbon fiber prepreg winding forming assembly at equal intervals in the circumferential direction, and opening and closing of the carbon fiber prepreg winding forming assembly is realized through rotation. A plurality of extension and contraction rolling assemblies are assembled on the carbon fiber prepreg winding forming assembly in correspondence with the plurality of rotating opening and closing assemblies, are contracted in the carbon fiber prepreg winding forming assembly when the carbon fiber prepreg winding forming assembly is closed, and are extended out of the carbon fiber prepreg winding forming assembly to contact and roll the wound and formed carbon fiber prepreg upwardly convey the wound and formed carbon fiber prepreg when the carbon fiber prepreg winding forming assembly is opened. A controller 1 controls the carbon fiber tow lifting assembly, the carbon fiber prepreg winding forming assembly, the carbon fiber tow hot pressing assembly, and the carbon fiber prepreg discharging assembly to work, and completes winding forming of the carbon fiber prepreg.

[0017] Specifically, the support assembly comprises a lower support 102, and four supporting legs 103 are fixedly connected to the top of the four corners of the lower support 102, and an upper support 101 is fixedly connected to the top of the four supporting legs 103.

[0018] Referring to the drawings Figure 1The support assembly is supported by a support formed by the lower support 102, the four support legs 103 and the upper support 101, and the reserved installation space improves the winding forming stability of the carbon fiber preform.

[0019] Specifically, the carbon fiber tow lifting assembly comprises a first motor 202 fixed to one side of the top end of the upper support 101, a first screw rod 205 rotatably connected to the same side of the upper support 101, and a first positioning rod 204 fixed to the same side of the top end of the upper support 101. The output end of the first motor 202 extends below the upper support 101 and is fixedly sleeved with a first gear 201. The first screw rod 205 is rotatably connected to the upper support 101 through a bearing. The first screw rod 205 extends above and below the upper support 101 at both ends, respectively. The bottom end of the first screw rod 205 is fixedly sleeved with a second gear 203. The second gear 203 is in meshing connection with the first gear 201. The top end of the first screw rod 205 and the first positioning rod 204 are sleeved with a placing seat 206. The placing seat 206 is in transmission connection with the first screw rod 205 through a transmission nut. The placing seat 206 is in sliding connection with the first positioning rod 204 through a sleeved opening. The placing seat 206 is sleeved with a carbon fiber tow rack impregnated with resin.

[0020] Referring to the accompanying drawings Figure 1 The carbon fiber tow lifting assembly is started by controlling the first motor 202. The first motor 202 drives the output end to rotate, which drives the first gear 201 to rotate. The first gear 201 drives the meshing connected second gear 203 to rotate. The second gear 203 drives the connected first screw rod 205 to rotate. During the rotation of the first screw rod 205, the placing seat 206 moves on the first screw rod 205 due to the positioning action of the first positioning rod 204. The lifting of the placing seat 206 is controlled by the forward and reverse rotation of the first motor 202. The carbon fiber tow rack impregnated with resin is sleeved outside the placing seat 206. The carbon fiber tow rack impregnated with resin is opened for winding operation by the lowering of the placing seat 206. The empty seat is reset by the lifting of the placing seat 206. The empty seat is taken out and placed again in cooperation with the manipulator, and the operation is repeated.

[0021] Specifically, the carbon fiber prepreg winding forming assembly comprises a rotating seat 303 rotatably connected in the middle of the upper support 101, a second pulley 306 fixedly sleeved on the first screw 205 between the upper support 101 and the second gear 203, and a winding forming cylinder 301 arranged above the middle of the upper support 101. The rotating seat 303 is rotatably connected with the upper support 101 through a bearing, and the rotating seat 303 extends to above and below the upper support 101 at both ends respectively. A first pulley 305 is fixedly sleeved on the bottom end of the rotating seat 303. The first pulley 305 and the second pulley 306 are externally sleeved with a friction transmission belt 304. A rotating groove 302 is formed in the bottom end of the winding forming cylinder 301. The top end of the rotating seat 303 extends to the rotating groove 302 and is fixedly connected therewith.

[0022] Referring to Figs. 1 to 4, the carbon fiber prepreg winding forming assembly is driven to rotate by the rotating first screw 205, the second pulley 306 is driven to rotate by the friction transmission, the belt 304 is driven to rotate by the friction transmission, the first pulley 305 is driven to rotate by the belt 304, the rotating seat 303 is driven to rotate by the first pulley 305, and the winding forming cylinder 301 is driven to rotate by the rotating seat 303. Figure 1 、 2 Referring to Figs. 1 to 4, the carbon fiber prepreg winding forming assembly is driven to rotate by the rotating first screw 205, the second pulley 306 is driven to rotate by the friction transmission, the belt 304 is driven to rotate by the friction transmission, the first pulley 305 is driven to rotate by the belt 304, the rotating seat 303 is driven to rotate by the first pulley 305, and the winding forming cylinder 301 is driven to rotate by the rotating seat 303. One end of the resin-impregnated carbon fiber tows on the resin-impregnated carbon fiber tow seat externally sleeved on the placing seat 206 is placed at the top end of the winding forming cylinder 301. The winding forming cylinder 301 is first rotated, and after one rotation, the resin-impregnated carbon fiber tow seat is lowered. The resin-impregnated carbon fiber tows on the resin-impregnated carbon fiber tow seat are continuously wound to the next round. The rotation and lowering speed at this time are precisely designed to meet the above conditions. In this way, the winding is repeated until it is completed.

[0023] Specifically, the carbon fiber tow hot pressing assembly comprises a support frame 401 fixedly connected to the top end of the upper support 101 away from the placing seat 206. An electric cylinder 402 is fixedly connected to the side wall of the winding forming cylinder 301 away from the support frame 401. A hot pressing plate 403 is fixedly connected to the output end of the electric cylinder 402. The hot pressing plate 403 is composed of a hollow heat conduction plate and an electric heating pipe. The hollow heat conduction plate is fixedly connected to the output end of the electric cylinder 402. The electric heating pipe is fixedly connected inside the heat conduction plate.

[0024] Referring to Figs. 1 to 4, the carbon fiber tow hot pressing assembly is driven to rotate by the rotating first screw 205, the second pulley 306 is driven to rotate by the friction transmission, the belt 304 is driven to rotate by the friction transmission, the first pulley 305 is driven to rotate by the belt 304, the rotating seat 303 is driven to rotate by the first pulley 305, and the winding forming cylinder 301 is driven to rotate by the rotating seat 303. Figure 1 The carbon fiber tow hot pressing assembly is started by controlling the electric cylinder 402. The electric cylinder 402 drives the output end to extend, drives the hot pressing plate 403 to extend, and makes the hot pressing plate 403 contact the wound resin-impregnated carbon fiber tows, so as to hot press the wound resin-impregnated carbon fiber tows. The winding forming cylinder 301 is reversely rotated, so that the wound resin-impregnated carbon fiber tows are circulated to contact the hot pressing plate 403, the hot pressing effect is improved, and the placing seat 206 is reset to cooperate with the mechanical hand to take out and place again. The wound resin-impregnated carbon fiber tows after hot pressing are left to cure and form.

[0025] Specifically, the rotating opening and closing assembly comprises a first driving cavity 501 formed in the inside of the winding forming cylinder 301, a conveying channel 504 formed in the side wall of the winding forming cylinder 301 and communicated with the first driving cavity 501, a second motor 514 fixed to one side of the top end of the first driving cavity 501, a second positioning rod 507 fixed to the top end of the first driving cavity 501, a second screw rod 508 rotatably connected to the winding forming cylinder 301, and a second driving cavity 502 formed in the inside of the winding forming cylinder 301 below the first driving cavity 501, the inside of the conveying channel 504 is provided with a closing plate 505, the bottom end of the closing plate 505 is rotatably connected with the bottom end of the conveying channel 504 through a connecting rotating shaft 506, the side wall top end of the closing plate 505 close to the first driving cavity 501 and the bottom end of the first driving cavity 501 are both fixed with a hook seat 509 at the corresponding positions, the two hook seats 509 are elastically hooked with a tension spring 510, a fourth gear 515 is fixedly sleeved in the inside of the second driving cavity 502 extending from the output end of the second motor 514, the second positioning rod 507 and the second screw rod 508 are located between the closing plate 505 and the tension spring 510, the second screw rod 508 is rotatably connected with the winding forming cylinder 301 through a bearing, the second screw rod 508 extends to the first driving cavity 501 and the second driving cavity 502 respectively at both ends, a pressing block 503 abutting against the closing plate 505 is sleeved on the second positioning rod 507 and the second screw rod 508 to ascend and descend, the pressing block 503 is slidably connected with the second positioning rod 507 through a hole sleeve, the pressing block 503 is drivingly connected with the second screw rod 508 through a transmission nut, a third gear 511 is fixedly sleeved at the bottom end of the second screw rod 508, a first mounting seat 512 is fixed at the top end of the second driving cavity 502, a first outer gear ring 513 is rotatably sleeved outside the first mounting seat 512, the first outer gear ring 513 is rotatably connected with the first mounting seat 512 through a bearing, and the fourth gear 515 and the third gear 511 are meshingly connected with the first outer gear ring 513.

[0026] Referring to the accompanying drawings Figures 2-5 The rotating opening and closing assembly is started by controlling the second motor 514, the output end of the second motor 514 is driven to rotate, the fourth gear 515 is driven to rotate, the first outer gear ring 513 meshingly connected with the fourth gear 515 is driven to rotate, the third gears 511 are driven to rotate, the second screw rods 508 are driven to rotate, the pressing blocks 503 move on the second screw rods 508 in the process of rotating the second screw rods 508 under the positioning action of the second positioning rods 507, and the ascending and descending of the pressing blocks 503 is controlled by the forward and reverse rotation of the second motor 514. Initial state, several extrusion blocks 503 are raised, extruding several closure plates 505, so that several closure plates 505 close several conveying grooves 504, and the winding forming cylinder 301 presents a plane, avoiding affecting the winding and hot-press forming of the carbon fiber tows immersed in resin; Discharging state, several extrusion blocks 503 are lowered, losing the extrusion effect on several closure plates 505, and several closure plates 505 rotate along several connecting rotating shafts 506 to the inside of the first driving cavity 501 under the pulling force of several tension springs 510, opening several conveying grooves 504; After discharging, several extrusion blocks 503 are raised, returning to the initial state; The positions of the structures in the above process are precisely designed, without affecting the linkage of the structures.

[0027] Specifically, the telescopic rolling assembly comprises an inner cylinder 609 fixed in the first driving cavity 501 at the bottom of the hook seat 509, a follower rod 619 rotatably connected to the winding forming cylinder 301, a third driving cavity 601 opened in the winding forming cylinder 301 below the second driving cavity 502, and a third motor 626 fixed in the rotating groove 302. The inner cylinder 609 is sequentially provided with a lower movable groove 602 and an upper movable groove 614 from bottom to top. The lower movable groove 602 is fixedly connected with a vertical fixed rod 603. The vertical fixed rod 603 is slidably connected with a sliding plate 606. The sliding plate 606 is slidably connected with the vertical fixed rod 603 through a hole sleeve. The vertical fixed rod 603 is sleeved with a connecting spring 604 fixed at both ends of the sliding plate 606 and the bottom of the lower movable groove 602. The sliding plate 606 is fixedly connected with a vertical rack 613 close to the end wall of the inner cylinder 609. The inner cylinder 609 is rotatably connected with a rotating shaft 608. The rotating shaft 608 is rotatably connected with the inner cylinder 609 through bearings at both ends. The rotating shaft 608 is fixedly sleeved with a fifth gear 610. The fifth gear 610 is meshingly connected with the vertical rack 613. The upper movable groove 614 is provided with a conveying frame 617. The conveying frame 617 is sequentially provided with a movable groove 611 and a support groove 615 from close to far from the inner cylinder 609. The top end of the vertical rack 613 extends to the upper side through the movable groove 611. The bottom end of the conveying frame 617 is symmetrically fixed with two horizontal racks 612 through two support blocks. The two horizontal racks 612 are meshingly connected with the fifth gear 610 extending out of the vertical rack 613. The support groove 615 is fixedly connected with a horizontal fixed rod 607. The horizontal fixed rod 607 is slidably connected with a support rod 616. The support rod 616 is slidably connected with the horizontal fixed rod 607 through a hole sleeve. The top end of the support rod 616 is fixedly connected with the first driving cavity 501. The conveying frame 617 is rotatably connected with a rolling shaft 605 at the bottom end of the side far from the inner cylinder 609. The rolling shaft 605 is rotatably connected with the conveying frame 617 through a bearing. The rolling shaft 605 is fixedly sleeved with two rollers 618. The rolling shaft 605 is fixedly sleeved with a follower conical wheel 621 at one end. The follower rod 619 is rotatably connected with the winding forming cylinder 301 through a bearing. The follower rod 619 extends into the first driving cavity 501 and the third driving cavity 601 at both ends. The top end of the follower rod 619 is fixedly sleeved with a driving conical wheel 620 meshingly connected with the moved follower conical wheel 621. The bottom end of the follower rod 619 is fixedly sleeved with a sixth gear 622. One of the two sixth gears 622 is high and the other is low at the corresponding position. The bottom end of one follower rod 619 is connected with the output end of the third motor 626 through a shaft coupling. The top end of the third driving cavity 601 is fixedly connected with a second mounting seat 624. The second mounting seat 624 is rotatably sleeved with a second outer gear ring 623 outside. The low-position sixth gear 622 is meshingly connected with the second outer gear ring 623. The third driving cavity 601 is rotatably connected with a seventh gear 625 with a shaft body at the positions corresponding to the two high-position sixth gears 622.The shaft of the seventh gear 625 is rotationally connected with the winding forming cylinder 301, and the seventh gear 625 is meshingly connected with the second external gear ring 623 and the high-position sixth gear 622.

[0028] Referring to the drawings Figure 2 , 3 , 6, 7, 8 and 9, the telescopic rolling assembly contacts the sliding plates 606 through the closed plates 505 rotating towards the inside of the first driving cavity 501 along the connecting rotation shafts 506, drives the sliding plates 606 to press the connecting springs 604 on the vertical fixed rods 603 to descend, drives the vertical racks 613 to descend through the sliding plates 606, drives the fifth gears 610 to rotate through the vertical racks 613, drives the horizontal racks 612 to move towards the conveying channel 504 through the fifth gears 610, drives the conveying frames 617 to move towards the conveying channel 504 through the horizontal racks 612 and the sliding support of the horizontal fixed rods 607 and the support rods 616, drives the rollers 618 and the driven bevel gears 621 to move towards the conveying channel 504 through the conveying frames 617 and the rolling shafts 605, and when the closed plates 505 press the sliding plates 606 to slide to the limit, the driven bevel gears 621 are meshingly connected with the driving bevel gears 620, and the rollers 618 contact the inner wall of the winding formed carbon fiber perform. The third motor 626 is controlled to start, the third motor 626 drives the output end to rotate, drives the driven rods 619 to rotate, drives the sixth gears 622 to rotate through the driven rods 619, drives the second external gear ring 623 to rotate through the sixth gears 622, drives the low-position sixth gears 622 and the seventh gears 625 to rotate through the second external gear ring 623, drives the high-position sixth gears 622 to rotate through the seventh gears 625, drives the driven rods 619 to rotate through the sixth gears 622, drives the driving bevel gears 620 to rotate through the driven rods 619, drives the driven bevel gears 621 to rotate through the driving bevel gears 620, drives the rolling shafts 605 to rotate through the driven bevel gears 621, drives the rollers 618 to rotate through the rolling shafts 605, and the winding formed carbon fiber perform is conveyed upwards through the rollers 618, and the discharging is completed. The closed plates 505 are reset through rotating towards the outside of the first driving cavity 501 along the connecting rotation shafts 506, and the sliding plates 606 are reset, so that the initial state is restored. The positions of the structures in the above process are precisely designed, and do not affect the linkage of the structures.

[0029] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A winding molding apparatus for carbon fiber preforms, characterized in that, include: The support assembly supports the carbon fiber preform winding molding assembly for winding and molding the carbon fiber preform; A carbon fiber tow lifting assembly is mounted on a bracket assembly. It holds a carbon fiber tow impregnated with resin and winds the resin-impregnated carbon fiber tow through lifting and lowering. The carbon fiber preform winding molding assembly is assembled on the bracket assembly and rotates in conjunction with the carbon fiber tow lifting assembly, so that the resin-impregnated carbon fiber tow is wound onto the carbon fiber preform winding molding assembly through rotation and lifting. The carbon fiber tow hot pressing assembly is assembled on the bracket assembly and moves in conjunction with the carbon fiber preform winding molding assembly. The resin-impregnated carbon fiber tow is hot-pressed onto the carbon fiber preform winding molding assembly and then cured and molded. A carbon fiber preform discharge assembly, mounted on a carbon fiber preform winding assembly, is used to roll and upwardly convey the wound carbon fiber preform to complete automatic discharge, including: Several rotating opening and closing components are assembled at equal intervals along the circumference on the carbon fiber preform winding molding component, and the opening and closing of the carbon fiber preform winding molding component is realized by rotation. Several retractable rolling components and several rotating opening and closing components are respectively assembled on the carbon fiber preform winding molding component. When the carbon fiber preform winding molding component is closed, the components retract into the carbon fiber preform winding molding component. When the components are open, the components extend out and contact the wound carbon fiber preform, which rolls upward to convey the wound carbon fiber preform. The controller (1) controls the operation of the carbon fiber tow lifting assembly, the carbon fiber preform winding and forming assembly, the carbon fiber tow hot pressing assembly and the carbon fiber preform discharge assembly to complete the winding and forming of the carbon fiber preform.

2. The carbon fiber preform winding molding apparatus according to claim 1, characterized in that: The support assembly includes a lower support (102), with support legs (103) fixedly connected to the four corners of the top of the lower support (102), and an upper support (101) fixedly connected to the top of the four support legs (103).

3. The carbon fiber preform winding molding apparatus according to claim 2, characterized in that: The carbon fiber tow lifting assembly includes a first motor (202) fixed to one side of the top of the upper bracket (101), a first screw (205) rotatably connected to the same side of the upper bracket (101), and a first positioning rod (204) fixed to the same side of the top of the upper bracket (101). The output end of the first motor (202) extends to the lower part of the upper bracket (101) and is fixedly sleeved with a first gear (201). The two ends of the first screw (205) extend to the upper and lower parts of the upper bracket (101) respectively. The bottom end of the first screw (205) is fixedly sleeved with a second gear (203). The second gear (203) meshes with the first gear (201). The top ends of the first screw (205) and the first positioning rod (204) are lifted and sleeved with a placement seat (206). The placement seat (206) is sleeved with a carbon fiber tow frame impregnated with resin.

4. The carbon fiber preform winding molding apparatus according to claim 3, characterized in that: The carbon fiber preform winding molding assembly includes a rotating seat (303) rotatably connected to the middle of the upper support (101), a second pulley (306) fixedly sleeved on the first screw (205) between the upper support (101) and the second gear (203), and a winding molding cylinder (301) disposed above the middle of the upper support (101). The two ends of the rotating seat (303) extend to the upper and lower parts of the upper support (101), respectively. The bottom end of the rotating seat (303) is fixedly sleeved with the first pulley (305). The first pulley (305) and the second pulley (306) are sleeved with a friction drive belt (304). The bottom end of the winding molding cylinder (301) is provided with a rotating groove (302). The top end of the rotating seat (303) extends to the rotating groove (302) and is fixedly connected to it.

5. The carbon fiber preform winding molding apparatus according to claim 4, characterized in that: The carbon fiber tow hot pressing assembly includes a support frame (401) fixed to the top of the upper bracket (101) on the side away from the placement seat (206). An electric cylinder (402) is fixed to the side wall of the support frame (401) away from the winding forming cylinder (301). The output end of the electric cylinder (402) extends to the other side and is fixed to a hot pressing plate (403). The hot pressing plate (403) is composed of a hollow heat-conducting plate and an electric heating tube. The hollow heat-conducting plate is fixed to the output end of the electric cylinder (402), and the electric heating tube is fixed inside the heat-conducting plate.

6. The carbon fiber preform winding molding apparatus according to claim 5, characterized in that: The rotary opening and closing assembly includes a first drive cavity (501) inside the winding forming cylinder (301), a conveying channel (504) on the side wall of the winding forming cylinder (301) communicating with the first drive cavity (501), a second motor (514) fixed to one side of the top of the first drive cavity (501), a second positioning rod (507) fixed to the top of the first drive cavity (501), a second screw (508) rotatably connected to the winding forming cylinder (301), and a second drive cavity (502) inside the winding forming cylinder (301) located below the first drive cavity (501). A sealing plate (505) is provided inside the conveying channel (504). The bottom end of the sealing plate (505) is rotatably connected to the bottom end of the conveying channel (504) through a connecting shaft (506). Hook seats (509) are fixedly connected to the top of the side wall of the sealing plate (505) near the bottom end of the first drive cavity (501). A tension spring (510) is elastically hooked between the two hook seats (509). The output end of the second motor (514) extends into the second drive cavity (502) and is fixedly sleeved with a fourth gear (515). The second positioning rod (507) and the second screw (508) are located between the closed plate (505) and the tension spring (510). The two ends of the second screw (508) extend into the first drive cavity (501) and the second drive cavity (502) respectively. The second positioning rod ( A pressing block (503) that abuts against the sealing plate (505) is sleeved on the second screw (507) and the second screw (508). A third gear (511) is fixedly sleeved at the bottom end of the second screw (508). A first mounting seat (512) is fixedly sleeved at the top end of the second drive cavity (502). A first external gear ring (513) is rotatably sleeved on the first mounting seat (512). The fourth gear (515) and the third gear (511) are meshed with the first external gear ring (513).

7. The carbon fiber preform winding molding apparatus according to claim 6, characterized in that: The retractable rolling assembly includes an inner cylinder (609) fixed inside the first drive cavity (501) and located between several hook seats (509) at the bottom end; a follower rod (619) rotatably connected to the winding forming cylinder (301); a third drive cavity (601) opened inside the winding forming cylinder (301) and located below the second drive cavity (502); and a third motor (626) fixed inside the rotating groove (302). The inner cylinder (609) has a lower movable groove (602) and an upper movable groove (614) sequentially opened from bottom to top. A vertical fixing rod (603) is fixed inside the lower movable groove (602). A sliding plate (606) is slidably connected to the vertical fixing rod (603). 603) A connecting spring (604) is attached to the outer sleeve, with both ends fixed to the bottom of the sliding plate (606) and the lower movable groove (602). A vertical rack (613) is fixed to the sliding plate (606) near the end wall of the inner cylinder (609). A rotating shaft (608) is rotatably connected inside the inner cylinder (609). A fifth gear (610) is fixedly sleeved on the rotating shaft (608). The fifth gear (610) meshes with the vertical rack (613). A conveyor frame (617) is provided inside the upper movable groove (614). The conveyor frame (617) has a movable through groove (611) and a support through groove (615) opened sequentially from near to far from the inner cylinder (609). The top of the vertical rack (613) passes through the movable through groove. The through groove (611) extends upwards. Two transverse racks (612) are symmetrically fixed to the bottom of the conveyor frame (617) via two support blocks. The two transverse racks (612) mesh with the vertical rack (613) extending from the fifth gear (610). A transverse fixing rod (607) is fixedly connected inside the support through groove (615). A support rod (616) is slidably connected to the transverse fixing rod (607). The top of the support rod (616) is fixedly connected to the top of the first drive cavity (501). A rolling shaft (605) is rotatably connected to the bottom of the conveyor frame (617) on the side away from the inner cylinder (609). Two rollers (618) are fixedly sleeved on the rolling shaft (605). A follower conical wheel (621) is fixedly sleeved at one end. The two ends of the follower rod (619) extend into the first drive cavity (501) and the third drive cavity (601) respectively. The top end of the follower rod (619) is fixedly sleeved with an active conical wheel (620) that meshes with the moved follower conical wheel (621). The bottom end of the follower rod (619) is fixedly sleeved with a sixth gear (622). One of the two sixth gears (622) is higher and the other is lower at corresponding positions. The bottom end of one follower rod (619) is connected to the output end of the third motor (626) through a coupling. The top end of the third drive cavity (601) is fixedly sleeved with a second mounting base (624). The second mounting base (624) is rotatably sleeved with a second external gear ring (623).The lower-position sixth gear (622) meshes with the second external gear ring (623). Inside the third drive chamber (601), a seventh gear (625) is rotatably connected to the two higher-position sixth gears (622). The seventh gear (625) meshes with both the second external gear ring (623) and the higher-position sixth gears (622).

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