A system for manufacturing a fiber-wound profiled rotary body

By designing a non-circular rotating fiber winding molding manufacturing system, and utilizing components such as servo motors and linear drive components, the problems of uneven fiber tension and incomplete winding at the pole holes were solved, achieving stability and density in fiber winding, and improving the quality and precision of the wound products.

CN116408958BActive Publication Date: 2025-12-19SHANDONG UNIV OF SCI & TECH
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Patent Information

Application Number
CN202310409996.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-17
Publication Date
2025-12-19
Estimated Expiration
2043-04-17

AI Technical Summary

Technical Problem

Existing winding machines suffer from uneven fiber tension, inconsistent fiber layer density, and incomplete winding at the two ends of the rotating body during the winding process of variable cross-section rotating bodies, resulting in unstable shape and low precision of the wound products.

Method used

A novel rotating fiber winding molding manufacturing system was designed, including a base, a rotating device, a support drive device, an ejector pin clamping device, an auxiliary pressing device, a fiber feeding device, and a control unit. Through the coordinated work of components such as a servo motor, a chain drive mechanism, a linear drive assembly, and a tension detection mechanism, the system achieves high precision in fiber tension control and stable and dense winding process.

Benefits of technology

It achieves constant fiber tension, stable and uniform winding, high degree of automation, and improved fiber layer density during fiber winding. It solves the problem of incomplete winding at the two end holes of the rotating body and improves the surface quality and precision of the wound products.

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Abstract

The application discloses a special-shaped rotary body fiber winding forming manufacturing system, which comprises a base, a rotating device, a supporting driving device, a ejector pin clamping device, an auxiliary pressing device, a fiber feeding device and a control unit. The rotating device comprises a rotating platform, a rotating sleeve and a rotating driving mechanism, and the rotating platform is rotationally connected with the base. The supporting driving device comprises a power mechanism, a chain transmission mechanism and a supporting roller. The ejector pin clamping device is oppositely arranged on the left and right sides of the rotating platform and comprises a stand, an extension adjusting mechanism and an ejector pin assembly. The auxiliary pressing device is arranged above the supporting roller and comprises a cantilever beam, a rotating frame and a pressing roller. The fiber feeding device is arranged on the left and right sides of the rotating device in an axial symmetry mode. The application can control the fiber tension to be constant, stably and uniformly wind the fiber, match the core mold rolling with the fiber conveying, realize high winding density and better surface quality, and solve the problem that the fiber cannot be wound at the two end holes of the rotary body.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pressure vessel manufacturing, in particular to a special-shaped rotary body fiber winding forming manufacturing system. BACKGROUND

[0002] Composite materials have excellent performance that cannot be replaced by metal materials. Since entering the 21st century, the composite material market has grown particularly rapidly. With the development of computer information technology, the function of the control system is becoming more powerful, which makes it possible to improve the fiber winding precision. With the concept of flexible manufacturing system being proposed, more stringent requirements are put forward for the winding process. For the production of tubular products and pressure vessels, the production is made by winding fibers on the outside of the core mold. Reinforced fibers such as carbon fibers or glass fibers are impregnated with a solidified resin, and are wound around the periphery of the core mold to form a reinforcing layer.

[0003] The existing winding machine has the problems of continuous change of fiber tension in the winding process of variable cross-section rotary body, uneven fiber tightening force, inconsistent density of fiber layer, and incomplete winding at the polar hole due to the fixed ends in the rotary body winding process. The shape of the wound product is not fixed, and the winding stability, precision, efficiency and cost are high. Therefore, a new type of rotary special-shaped component fiber winding device is designed to produce more fiber winding products. Therefore, the prior art needs to be further improved and improved. SUMMARY

[0004] In view of the above problems of the prior art, the present application aims to provide a special-shaped rotary body fiber winding forming manufacturing system to solve the problems of low fiber tension control precision, uneven fiber tightening force, inconsistent density of fiber layer, and incomplete winding at the polar hole of the two ends of the rotary body in the rotary body winding forming process.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is:

[0006] A special-shaped rotary body fiber winding forming manufacturing system, comprising a base, a rotating device, a support driving device, a thimble clamping device, an auxiliary pressing device, a fiber feeding device and a control unit, the rotating device comprising a rotating platform, a rotating sleeve and a rotating driving mechanism, the rotating platform being rotationally connected with the base through the rotating sleeve arranged at the bottom of the rotating platform, and the rotating driving mechanism being connected with the rotating sleeve and driving the rotating platform to rotate horizontally.

[0007] The support driving device comprises a power mechanism, a chain transmission mechanism and a supporting roller. The supporting roller has two, which are arranged in opposite directions above the rotating platform. The power mechanism is arranged on the rotating platform and drives the two supporting rollers to rotate synchronously and in the same direction through the chain transmission mechanism.

[0008] The two ejector pin clamping devices are oppositely arranged on the left and right sides of the rotary platform through the mounting seat, and each of the ejector pin clamping devices comprises a vertical column, a telescopic adjusting mechanism and an ejector pin assembly.

[0009] The telescopic adjusting mechanism is arranged on the vertical column, and the ejector pin assembly is arranged on the telescopic adjusting mechanism through the vertically arranged first linear drive assembly.

[0010] The auxiliary pressing device is arranged above the carrier roller and comprises a cantilever beam, a rotary frame and a pressing roller.

[0011] The rotary frame is arranged below the cantilever beam through the horizontally arranged second linear drive assembly, and the top of the rotary frame is rotationally connected to the execution end of the horizontally arranged second linear drive assembly.

[0012] The two fiber feeding devices are arranged on the left and right sides of the rotary device in an axisymmetric manner, and each of the fiber feeding devices comprises a displacement drive mechanism, a mounting frame, a spool rotation drive mechanism, a tension detection mechanism and a reversing mechanism.

[0013] The spool rotation drive mechanism is arranged on the mounting frame, the tension detection mechanism is arranged above the spool rotation drive mechanism, and the reversing mechanism is arranged on the side of the mounting frame close to the rotary device, and a direction adjusting roller is arranged above the reversing mechanism.

[0014] Further, the main shaft is vertically fixed on the upper end of the base, the upper end of the rotary sleeve is fixedly connected to the bottom of the rotary platform, and the rotary sleeve is sleeved on the main shaft and rotationally matched with the main shaft.

[0015] The rotary drive mechanism comprises a first servo motor, a pinion and a gear wheel.

[0016] The first servo motor is arranged on one side of the base, and the output end of the first servo motor drives the rotary sleeve to rotate through the pinion.

[0017] Further, the roller shafts of the two carrier rollers are arranged in parallel and rotationally matched with the rotary platform through the first bearing seat.

[0018] The chain transmission mechanism comprises a rotating shaft, a large sprocket and a small sprocket.

[0019] The power mechanism comprises a second servo motor, a driving gear and a driven gear, the driven gear is arranged on the rotating shaft, the driving gear is arranged outside the driven gear and is engaged with the driven gear, the second servo motor is installed on the rotating platform, and an output end of the second servo motor drives the rotating shaft to rotate through the driving gear.

[0020] Further, the telescopic adjusting mechanism comprises first guide rails, a first screw rod, a first nut and a third servo motor, the first guide rails are two and are arranged horizontally and in parallel, a first guide sliding block is sleeved on each first guide rail, the first guide sliding block is fixedly embedded on the stand column, and the first guide rail is in horizontal sliding fit with the stand column through the first guide sliding block.

[0021] The two first guide rails are fixedly connected with the vertically arranged first linear drive assembly at one end close to the rotating device and are fixedly connected through a connecting plate at an end away from the rotating device, and the third servo motor is arranged on the connecting plate and can drive the first guide rail to move horizontally.

[0022] Further, the first nut is embedded on the stand column, the first screw rod passes through the first nut horizontally and is in threaded fit with the first nut, one end of the first screw rod is rotationally connected with the vertically arranged first linear drive assembly, and the other end is coaxially fixedly connected with an output end of the third servo motor.

[0023] The ejector pin assembly comprises an ejector pin and an ejector pin seat, the ejector pin seat is installed on an execution end of the vertically arranged first linear drive assembly, and one end of the ejector pin is inserted into the ejector pin seat and is in rotational fit with the ejector pin seat.

[0024] Further, the cantilever beam is arranged horizontally and transversely, one end of the cantilever beam is fixedly connected with an execution end of the vertically arranged second linear drive assembly, and the vertically arranged second linear drive assembly is fixed to the bottom of the cantilever beam.

[0025] The execution end of the vertically arranged second linear drive assembly is fixedly connected with a connecting frame, the rotating frame comprises a second bearing seat and an arm support, the top of the second bearing seat is rotationally connected with the connecting frame through a vertical shaft, and the bottom of the second bearing seat is provided with a pin shaft.

[0026] The arm support is two and is arranged in a figure-eight shape below the second bearing seat, the upper end of the arm support is rotationally connected with the pin shaft, the middle portions of the two arm supports are connected through springs, and two compression rollers are arranged at the lower ends of the two arm supports.

[0027] Further, the displacement driving mechanism comprises a cross beam and three third linear drive assemblies, two of the third linear drive assemblies are arranged longitudinally and horizontally and are left-right symmetrical, and the left and right ends of the cross beam are fixedly connected with execution ends of the two third linear drive assemblies arranged longitudinally.

[0028] The other third linear drive assembly is installed horizontally and transversely on the top of the cross beam, and the bottom of the mounting frame is fixedly connected with the execution end of the third linear drive assembly arranged horizontally.

[0029] Further, the first, second and third linear driving assemblies each comprise a strip-shaped mounting plate, a second guide rail, a second guide slider, a second lead screw and a fourth servo motor, the second guide rail is arranged in parallel and spaced apart on one side of the strip-shaped mounting plate, and both ends of the second guide rail are fixedly connected with the strip-shaped mounting plate through end seats.

[0030] The second guide slider is sleeved on the second guide rail and is in sliding fit along the length direction of the second guide rail.

[0031] The second lead screw is arranged on the second guide rail between the strip-shaped mounting plates, one end of the second lead screw is in rotational fit with the end seat, a second nut is arranged on the second lead screw, the second nut is fixed on the second guide slider, and the other end of the second lead screw is connected with the output end of the fourth servo motor, in the working state, the second lead screw drives the second guide slider to move along the second guide rail through the second nut.

[0032] Further, the spool rotation driving mechanism comprises a supporting roller and a fifth servo motor, the supporting roller is horizontally arranged on one side of the mounting frame, and the end portion of the supporting roller penetrates through the mounting frame and is in rotational fit with the mounting frame.

[0033] The fifth servo motor is arranged on the other side of the mounting frame, the output end of the fifth servo motor is connected with the end portion of the supporting roller, and the fifth servo motor can drive the supporting roller to rotate.

[0034] The tension detection mechanism comprises a tension roller, two guide rollers and a tension sensor, the tension roller is arranged above the supporting roller through a tension support, the two guide rollers are arranged above the tension roller in front and behind respectively, and the tension sensor is arranged on the tension support and is connected with the control unit in communication.

[0035] Further, the reversing mechanism comprises a reversing support, two reversing rollers, an L-shaped connecting rod and a sixth servo motor, the sixth servo motor is arranged on one side of the mounting frame, the output end of the sixth servo motor is connected with a speed reducer, and the output shaft of the speed reducer is arranged in longitudinal and horizontal mode.

[0036] The two reversing rollers are arranged in parallel and spaced apart on the reversing support and are in rotational fit with the reversing support, one end of the L-shaped connecting rod is fixedly connected with the output shaft of the speed reducer in coaxial mode, and the other end of the L-shaped connecting rod is fixedly connected with the middle portion of the reversing support away from the reversing rollers.

[0037] In the working state, the sixth servo motor can drive the reversing support to rotate around the output shaft of the speed reducer, and the change of the winding direction of the fiber on the surface of the core mold is adjusted.

[0038] By adopting the above technical scheme, the application has the beneficial technical effects as follows: the tension control precision of the fiber is high, the fiber tension is kept constant in the winding process, the fiber winding on the surface of the core mold is stable and uniform, the degree of automation is high, the rolling of the core mold is matched with the movement of the fiber, the fiber winding is dense, the surface quality is better, and the problem that the fiber cannot be wound at the extreme holes at both ends of the rotary body is solved. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 is a structural schematic diagram of a special-shaped rotary body fiber winding forming manufacturing system of the present application.

[0040] Figure 2 is a schematic diagram of the combination structure of the base, the rotating device and the supporting and driving device.

[0041] Figure 3 is Figure 2 is a schematic diagram of the combination structure in which the godets are removed.

[0042] Figure 4 is Figure 2 is a schematic diagram of a part of the present application, showing the base and the rotating device.

[0043] Figure 5 is a schematic diagram of the combination structure of the needle clamping device and the auxiliary pressing device.

[0044] Figure 6 is Figure 5 is a schematic diagram of a part of the present application, showing the needle clamping device and the related parts.

[0045] Figure 7 is Figure 5 is a schematic diagram of another part of the present application, showing the auxiliary pressing device and the related parts.

[0046] Figure 8 is a structural schematic diagram of the fiber feeding device of the present application.

[0047] Figure 9 is a use state diagram of a special-shaped rotary body fiber winding forming manufacturing system of the present application. DETAILED DESCRIPTION

[0048] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0049] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0050] In conjunction with Figures 1 to 8The application discloses a special-shaped rotary body fiber winding forming manufacturing system which is used for fiber winding forming outside a cylindrical or conical pressure container core mold and comprises a base 1, a rotating device, a supporting driving device, a needle clamping device, an auxiliary pressing device, a fiber feeding device and a control unit.

[0051] The rotating device comprises a rotating platform 11, a rotating sleeve 12 and a rotating driving mechanism, the rotating platform 11 is a square metal plate, the rotating platform 11 is rotationally matched with the base 1 through the rotating sleeve 12 arranged at the bottom of the rotating platform 11, and the rotating driving mechanism is connected with the rotating sleeve 12 and drives the rotating platform 11 to rotate horizontally.

[0052] The upper end of the main shaft 16 penetrates through the upper surface of the rotating platform 11 and is provided with a thrust bearing 18 and a locking nut 19, the thrust bearing 18 is located between the locking nut 19 and the upper surface of the rotating platform 11, the same thrust bearing 18 is arranged between the lower end of the rotating sleeve 12 and the upper surface of the base 1, and the locking nut 19 is screwed on the upper end of the main shaft 16 so as to lock the rotating sleeve 12 on the main shaft 16.

[0053] The rotating driving mechanism comprises a first servo motor 13, a pinion 14 and a gear wheel 15, the gear wheel 15 is fixedly installed at the lower end of the rotating sleeve 12 and is coaxially arranged, the pinion 14 is arranged outside the gear wheel 15 and is in mesh with the gear wheel 15. The first servo motor 13 is fixedly installed on one side of the base 1 through a motor base 17, the first servo motor 13 is provided with a speed reducer, the pinion 14 is fixedly installed on the output shaft of the speed reducer, the output shaft of the speed reducer drives the rotating sleeve 12 to rotate around the main shaft 16 through the pinion 14, and meanwhile, the rotating sleeve 12 drives the rotating platform 11 to rotate horizontally around the main shaft 16.

[0054] The supporting driving device is installed on the rotating platform 11 and comprises a power mechanism, a chain transmission mechanism and a supporting roller 21, the supporting roller 21 is a conical round roller and is provided with two, is arranged above the rotating platform 11 in opposite spacing, the power mechanism is arranged on the rotating platform 11 and drives the two supporting rollers 21 to rotate synchronously and in the same direction through the chain transmission mechanism. The roller shafts 211 of the two supporting rollers 21 are arranged in parallel, the supporting roller 21 is keyed connected with the roller shaft 211 on the inner side, and the two ends of each roller shaft 211 are rotationally matched with the rotating platform 11 through first bearing seats 22.

[0055] The chain transmission mechanism comprises a rotating shaft 23, a large sprocket 24 and a small sprocket 25. The rotating shaft 23 is arranged below the two compression rollers 42 and is arranged in parallel with the roller shaft of the carrier roller 21. The two ends of the rotating shaft 23 are rotatably connected to the rotating platform 11 by bearing frames. The large sprocket 24 is fixed to the two ends of the rotating shaft 23. The roller shaft of each compression roller 42 is provided with a small sprocket 25 at each end. Each large sprocket 24 is connected to the two small sprockets 25 on the same side by a chain 26. The rotating shaft 23 can drive the two carrier rollers 21 above it to rotate synchronously and in the same direction through the chain 26.

[0056] The power mechanism comprises a second servo motor 27, a driving gear 28 and a driven gear 29. The driven gear 29 is fixedly installed on the rotating shaft 23. The driving gear 28 is arranged outside the driven gear 29 and is in meshing engagement with the driven gear 29. The second servo motor 27 is fixedly installed on the rotating platform 11. The second servo motor 27 is provided with the same speed reducer. The driving gear 28 is fixedly installed on the output shaft of the speed reducer. The second servo motor 27 drives the rotating shaft 23 to rotate through the driving gear 28. The rotating shaft 23 drives the carrier rollers 21 to rotate through the chains 26 at both ends. The signal ends of the first servo motor 13 and the second servo motor 27 are connected in communication with the controller. The controller controls the direction and rotating speed of the output shafts of the first servo motor 13 and the second servo motor 27 through programs, thereby realizing the rotating speed control of the rotating platform 11 and the compression rollers 42, respectively.

[0057] The rotating platform 11 is provided with a protective cover 111 on the outside. The protective cover 111 is an integrated structure composed of an annular side wall and a top wall. The inside of the protective cover 111 is provided with a framework. The protective cover 111 is fixedly connected to the rotating platform 11 through the framework on the inside. The rotating drive mechanism and the rotating platform 11 are located inside the protective cover 111. The top wall of the protective cover 111 has a square opening. The two carrier rollers 21 are located inside the square opening and the upper surfaces are higher than the top wall. In the working state, the upper surfaces of the two carrier rollers 21 place the core mold 10. The carrier rollers 21 drive the core mold 10 to roll.

[0058] The needle clamping device has two and is arranged on the left and right sides of the rotating platform 11 through the mounting seat 3. The mounting seat 3 is a C-shaped structure and is arranged on the needle clamping device. Each mounting seat 3 comprises a stand 31, a telescopic adjusting mechanism and a needle assembly. The lower end of one stand 31 is fixedly connected to the mounting seat 3. The lower end of the other stand 31 is adjustably fixedly connected to the mounting seat 3 through the first linear drive assembly 30 arranged in the longitudinal direction.

[0059] The telescopic adjusting mechanism is arranged on the column 31, and the needle assembly is arranged on the telescopic adjusting mechanism through the vertically arranged first linear drive assembly 30. The telescopic adjusting mechanism comprises a first guide rail 32, a first lead screw 33, a first nut 34 and a third servo motor 35. The first guide rail 32 is arranged in two and horizontally arranged in parallel. The first guide rail 32 is sleeved with a first guide sliding block 36. The first guide sliding block 36 is fixedly embedded on the column 31. The first guide rail 32 is horizontally slidably connected with the column 31 through the first guide sliding block 36.

[0060] The two first guide rails 32 are fixedly connected with the vertically arranged first linear drive assembly 30 at one end close to the rotating device and fixedly connected through a connecting plate 37 at the other end away from the rotating device. The third servo motor 35 is arranged on the connecting plate 37 and can drive the first guide rail 32 to move horizontally.

[0061] The first nut 34 is fixedly embedded on the column 31. The first lead screw 33 is transversely arranged through the first nut 34 and threadedly connected with the first nut 34. One end of the first lead screw 33 is rotationally connected with the vertically arranged first linear drive assembly 30, and the other end is coaxially fixedly connected with the output end of the third servo motor 35. The signal end of the third servo motor 35 is connected in communication with the controller, and the controller controls the displacement of the needle 38.

[0062] In the working state, the third servo motor 35 drives the first lead screw 33 to rotate. The first lead screw 33 and the first nut 34 drive the two first guide rails 32 to drive the first linear drive assembly 30 to move horizontally relative to the column 31, so as to move close to or away from the core mold 10.

[0063] The needle assembly comprises a needle 38 and a needle seat 39. The needle seat 39 is installed on the execution end of the vertically arranged first linear drive assembly 30. One end of the needle 38 is inserted into the needle seat 39 and rotationally connected with the needle seat 39. The column 31 on the right side adjusts the position of the needle assembly on the left side through the two first linear drive assemblies 30, so that the needle assembly on the left side is positively corresponding to the needle assembly on the right side. The relative movement of the two needles 38 presses the two ends of the core mold 10, limits the position of the core mold 10 in the horizontal direction, and ensures that the core mold 10 rolls around the axis.

[0064] The auxiliary pressing device is located above the supporting roller 21 and comprises a cantilever beam 41, a rotating frame and a pressing roller 42. The cantilever beam 41 is arranged on one side of the column 31 through the vertically arranged second linear drive assembly 40. The cantilever beam 41 is horizontally arranged in transverse direction. One end of the cantilever beam 41 is fixedly connected with the execution end of the vertically arranged second linear drive assembly 40. The vertically arranged second linear drive assembly 40 is fixedly arranged on the bottom of the cantilever beam 41. The two second linear drive assemblies 40 are cooperatively adjusted to adjust the height and the position in the horizontal plane of the rotating frame and the pressing roller 42.

[0065] The rotary frame is arranged below the cantilever beam 41 through the transversely arranged second linear drive assembly 40, and the top thereof is rotationally connected with the executing end of the transversely arranged second linear drive assembly 40. Specifically, the second guide sliding block 103 of the transversely arranged second linear drive assembly 40 is fixed with a connecting frame 43, and the rotary frame comprises a second bearing seat 44 and a swing arm support 45. The second bearing seat 44 is located below the connecting frame 43, and a vertical shaft is fixed at the middle position of the top of the second bearing seat 44. The upper end of the vertical shaft penetrates into the inner side of the connecting frame 43 and is rotationally connected with the same. The bottom of the second bearing seat 44 is provided with a horizontally arranged pin shaft 47, and the second bearing seat 44 and the swing arm support 45 can be horizontally freely rotated relative to the cantilever beam 41.

[0066] The swing arm support 45 is in a muleteer shape and is arranged below the second bearing seat 44. The upper end of the swing arm support 45 is rotationally connected with the pin shaft 47, and the middle portions of the two swing arm supports 45 are connected through a spring 46. The compression roller 42 is a conical round roller and is provided in two. The two compression rollers 42 are oppositely and spacedly arranged at the bottom of the rotary frame. Specifically, the two compression rollers 42 are arranged at the lower ends of the two swing arm supports 45 respectively, and the roller shafts of the compression rollers 42 are rotationally connected with the swing arm supports 45 respectively.

[0067] In the use state, the two compression rollers 42 are pressed and held on the upper surface of the mandrel 10. The upper side and the lower side of the mandrel 10 are limited by the two compression rollers 42 and the two supporting rollers 21 respectively and have a pre-pressing force. The two ends of the mandrel 10 are also pressed by the two ejector pins 38. The two supporting rollers 21 drive the mandrel 10 to roll for fiber winding. After the two compression rollers 42 contact with the upper surface of the mandrel 10 in the descending process, the reaction force of the mandrel 10 on the compression rollers 42 can make the two swing arm supports 45 open, and the spring 46 is stretched. The two compression rollers 42 keep the mandrel 10 pressed, so that the mandrel 10 rolls synchronously with the two supporting rollers 21.

[0068] The fiber feeding device is provided in two in the axisymmetric manner at the front and rear sides of the rotary device, and comprises a displacement driving mechanism 6, a mounting frame 62, a spool rotation driving mechanism, a tension detection mechanism and a reversing mechanism 9. The mounting frame 62 is arranged at the displacement driving mechanism 6, and the bottom thereof is fixedly connected with the executing end of the displacement driving mechanism 6.

[0069] The displacement driving mechanism 6 comprises a cross beam 61 and three third linear drive assemblies 60. Two third linear drive assemblies 60 are arranged in a longitudinal and horizontal and left-right symmetric manner. The left and right ends of the cross beam 61 are fixedly connected with the executing ends of the two third linear drive assemblies 60 arranged in a longitudinal manner respectively.

[0070] The first linear drive assembly 30, the second linear drive assembly 40 and the third linear drive assembly 60 each comprise a strip-shaped mounting plate 101, a second guide rail 102, a second guide slider 103, a second lead screw and a fourth servo motor. The second guide rail 102 is arranged in parallel and spaced apart on one side of the strip-shaped mounting plate 101, and both ends thereof are fixedly connected with the strip-shaped mounting plate 101 through end seats. The second guide slider 103 is sleeved on the second guide rail 102 and is in sliding fit along the length direction of the second guide rail 102. The signal end of the fourth servo motor is in communication connection with the controller, and the controller controls the position of the second guide slider 103 on the second guide rail 102.

[0071] The second lead screw is arranged on the second guide rail 102 between the strip-shaped mounting plates 101, one end of the second lead screw is in rotary fit with the end seat, a second nut is arranged on the second lead screw, the second nut is fixed on the second guide slider 103, and the other end of the second lead screw is connected with the output end of the fourth servo motor. In the working state, the second lead screw drives the second guide slider 103 to move along the second guide rail 102 through the second nut.

[0072] The second guide sliders 103 of the two third linear drive assemblies 60 arranged longitudinally move synchronously, the left and right ends of the cross beam 61 are fixedly connected with the second guide sliders 103 of the two third linear drive assemblies 60 arranged longitudinally, and the two third linear drive assemblies 60 arranged longitudinally drive the cross beam 61 to move forward and backward. The remaining third linear drive assembly 60 is transversely mounted on the top of the cross beam 61 and moves forward and backward together with the cross beam 61. The bottom of the mounting frame 62 is fixedly connected with the second guide slider 103 of the third linear drive assembly 60 arranged transversely, and the second guide slider 103 of the third linear drive assembly 60 arranged transversely drives the mounting frame 62 to move transversely, thereby cooperating with the two third linear drive assemblies 60 arranged longitudinally to realize the position adjustment of the displacement driving mechanism 6 in the horizontal plane.

[0073] The spool rotation driving mechanism is arranged on the mounting frame 62 and comprises a supporting roller 71 and a fifth servo motor 72. The supporting roller 71 is horizontally arranged on one side of the mounting frame 62, and the end portion of the supporting roller 71 penetrates through the mounting frame 62 and is in rotary fit with the mounting frame 62. The fifth servo motor 72 is arranged on the other side of the mounting frame 62, the output end of the fifth servo motor 72 is connected with the end portion of the supporting roller 71, the fifth servo motor 72 can drive the supporting roller 71 to rotate, and the signal end of the fifth servo motor 72 is in communication connection with the controller. The fiber drum 70 is fixedly mounted on the supporting roller 71, the fifth servo motor 72 drives the supporting roller 71 and the fiber drum 70 to rotate synchronously, and the fiber is continuously transported to the core mold.

[0074] The tension detection mechanism is arranged above the spool rotation driving mechanism, and comprises a tension roller 81, guide rollers 82 and a tension sensor 83.

[0075] The reversing mechanism 9 is arranged on the side of the mounting frame 62 close to the rotating device, and a direction adjusting roller 73 is arranged above the reversing mechanism 9.

[0076] The reversing mechanism 9 comprises a reversing support 91, reversing rollers 92, an L-shaped connecting rod 93 and a sixth servo motor 94.

[0077] The fiber on the fiber drum 70 is wound upwards over the upper surface of one of the guide rollers 82, then downwards over the lower surface of the tension roller 81, then upwards over the upper surface of the other guide roller 82, and then over the upper surface of the direction adjusting roller 73, and then through the space between the two reversing rollers 92 to the surface of the mandrel 10.

[0078] The output shaft of the sixth servo motor 94 is coaxially fixed to the end of the longitudinal part of the L-shaped connecting rod 93, and the middle part of the reversing support 91 is fixed to the end of the transverse part of the L-shaped connecting rod 93.

[0079] The working process of the system for manufacturing a fiber wound and formed product in the form of a special-shaped rotating body is as follows:

[0080] S1, place the formed mandrel 10 on the upper surfaces of the two supporting rollers 21, and adjust the mounting frames 62 of the two fiber feeding devices to the initial positions.

[0081] The fiber tube is fixed on the supporting roller 71, and the fiber end on one of the fiber tubes is wound around one of the guide rollers 82, the tension roller 81, the other guide roller 82, the direction adjusting roller 73, and then through the two reversing rollers 92 to be wound on the circumferential surface of one end of the mandrel 10.

[0082] The fiber on the other fiber tube is wound on the circumferential surface of the other end of the mandrel 10 in the same way, and the fiber is wound at least one turn and then the thread end is pressed on the surface of the mandrel 10.

[0083] S2, the two pressing rollers 42 of the auxiliary pressing device move downward to press the upper surface of the mandrel 10.

[0084] The extension adjusting mechanism of the two pin clamping devices respectively drives the relative movement of the two pins 38, and the needle tip of the pin 38 abuts against the corresponding end of the mandrel 10.

[0085] S3, the second servo motor 27 and the fifth servo motor 72 are started at the same time, the second servo motor 27 drives the two supporting rollers 21 to rotate synchronously through the gear mechanism and the chain transmission mechanism, and the supporting roller 21 drives the mandrel 10 to roll around the axis thereof by the friction force.

[0086] The fifth servo motor 72 drives the fiber tube to rotate and cooperate with the rolling of the mandrel 10 to continuously feed the fiber to the circumferential surface of the mandrel 10, and the third linear driving assembly 60 of the transverse arrangement of the displacement driving mechanism 6 drives the fiber tube to continuously move transversely, so that the fiber is spirally wound on the circumferential surface of the mandrel 10.

[0087] S4, the fibers on the two fiber tubes move in opposite directions along the axis of the mandrel 10, when the fiber winding reaches one end of the mandrel 10 along the axis thereof, the output shaft of the sixth servo motor 94 is rotated by 180°, the two reversing rollers 92 are turned over to the other side, the direction of the fiber is changed, the fiber continues to be wound in the opposite direction along the axis of the mandrel 10, and then the winding is changed again when it reaches the other end of the axis of the mandrel 10, so that the fiber is wound on the circumferential surface of the mandrel 10 in multiple layers, and the fiber is disconnected.

[0088] S5, the extension adjusting mechanism respectively drives the two pins 38 to move in opposite square directions to release the constraint on the two ends of the mandrel 10.

[0089] After the fiber end is wound on the radial surface of the mandrel 10 for at least one turn, the thread end is pressed, the first servo motor 13 is started, the mandrel 10 rotates with the rotating platform 11, the supporting roller 21 drives the mandrel 10 to rotate around the axis thereof, and the fiber is continuously wound on the radial surface of the mandrel 10 for several layers.

[0090] The parts not mentioned in the application can be realized by using or referring to the existing technology.

[0091] In the description of the present application, unless otherwise specified and limited, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0092] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0093] Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present application should also be within the scope of protection of the present application.

Claims

1. A fiber winding molding system for irregularly shaped rotating bodies, characterized in that, It includes a base, a rotating device, a support drive device, a pin clamping device, an auxiliary pressing device, a fiber feeding device, and a control unit. The rotating device includes a rotating platform, a rotating sleeve, and a rotating drive mechanism. The rotating platform is rotatably engaged with the base through the rotating sleeve located at its bottom. The rotating drive mechanism is connected to the rotating sleeve and drives the rotating platform to rotate horizontally. The support drive device includes a power mechanism, a chain drive mechanism, and idlers. There are two idlers, which are arranged at relative intervals above the rotary platform. The power mechanism is located on the rotary platform and drives the two idlers to rotate synchronously and in the same direction through the chain drive mechanism. There are two ejector pin clamping devices, which are mounted opposite each other on the left and right sides of the rotary platform via mounting bases. Each ejector pin clamping device includes a column, a telescopic adjustment mechanism and an ejector pin assembly. The lower end of one column is fixedly connected to the mounting base, and the lower end of the other column is adjustablely and fixedly connected to the mounting base via a longitudinally arranged first linear drive assembly. The telescopic adjustment mechanism is mounted on the column, and the ejector pin assembly is mounted on the telescopic adjustment mechanism via a vertically arranged first linear drive assembly; The auxiliary pressing device is located above the idler roller and includes a cantilever beam, a rotating frame and pressure rollers. The cantilever beam is mounted on a column on one side via a vertically arranged second linear drive assembly. There are two pressure rollers, which are arranged at relative intervals at the bottom of the rotating frame. The slewing frame is located below the cantilever beam via a second linear drive assembly arranged laterally, and its top is rotatably connected to the execution end of the second linear drive assembly arranged laterally. There are two fiber feeding devices, which are arranged symmetrically on the front and rear sides of the rotary device. Each device includes a displacement drive mechanism, a mounting frame, a bobbin rotation drive mechanism, a tension detection mechanism, and a reversing mechanism. The mounting frame is located on the displacement drive mechanism and its bottom is fixedly connected to the execution end of the displacement drive mechanism. The spool rotation drive mechanism is mounted on the mounting frame, the tension detection mechanism is located above the spool rotation drive mechanism, and the reversing mechanism is located on the side of the mounting frame near the rotary device, with a reversing roller above it.

2. The system for filament winding of a profiled body according to claim 1, characterized in that A main shaft is vertically fixed at the upper end of the base, and the upper end of the rotating sleeve is fixedly connected to the bottom of the rotary platform to form a whole. The rotating sleeve is sleeved on the main shaft and rotates in cooperation with it. The rotary drive mechanism includes a first servo motor, a pinion and a large gear. The large gear is mounted on a rotating sleeve and arranged coaxially with it. The pinion is located outside the large gear and meshes with it. The first servo motor is located on one side of the base, and its output end drives the rotating sleeve to rotate via a pinion gear.

3. The system for filament winding of a profiled body according to claim 1, characterized in that The roller shafts of the two idler rollers are arranged in parallel and rotate with the rotary platform through the first bearing seat; The chain drive mechanism includes a rotating shaft, a large sprocket, and small sprockets. The rotating shaft is located below the pressure roller and is arranged parallel to the roller shaft of the idler roller. The large sprocket is located on the rotating shaft. Each pressure roller has a small sprocket on its roller shaft. The large sprocket is connected to both small sprockets via a chain. The power mechanism includes a second servo motor, a driving gear, and a driven gear. The driven gear is mounted on the rotating shaft, and the driving gear is located outside the driven gear and meshes with it. The second servo motor is mounted on the rotary platform, and its output end drives the rotating shaft to rotate through the driving gear.

4. The system for filament winding of a profiled body according to claim 1, characterized in that, The telescopic adjusting mechanism comprises first guide rails, a first screw rod, a first nut and a third servo motor, the first guide rails are two and horizontally arranged in parallel, each first guide rail is sleeved with a first guide sliding block, the first guide sliding block is fixedly embedded on the stand column, the first guide rail is horizontally slidably connected with the stand column through the first guide sliding block; The two first guide rails are fixedly connected with the first linear driving assembly arranged vertically at one end close to the rotating device, and are fixedly connected through a connecting plate at the other end away from the rotating device, and the third servo motor is arranged on the connecting plate and can drive the first guide rail to move horizontally.

5. The system for filament winding of a profiled body according to claim 1, characterized in that The first nut is embedded on the stand column, the first screw rod is horizontally arranged through the first nut and is in threaded connection with the first nut, one end of the first screw rod is rotatably connected with the first linear driving assembly arranged vertically, and the other end is coaxially fixedly connected with the output end of the third servo motor; The needle assembly comprises a needle and a needle seat, the needle seat is installed on the execution end of the first linear driving assembly arranged vertically, and one end of the needle is inserted into the needle seat and is in rotational connection with the needle seat.

6. The system for filament winding of a profiled body according to claim 1, characterized in that, The cantilever beam is horizontally arranged, one end of the cantilever beam is fixedly connected with the execution end of the second linear driving assembly arranged vertically, and the second linear driving assembly arranged horizontally is fixed to the bottom of the cantilever beam; The execution end of the second linear driving assembly arranged horizontally is fixedly connected with a connecting frame, the rotating frame comprises a second bearing seat and an arm support, the top of the second bearing seat is rotatably connected with the connecting frame through a vertical shaft, and the bottom of the second bearing seat is provided with a pin shaft; The arm support is two and is arranged in a figure-eight shape below the second bearing seat, the upper end of the arm support is rotatably connected with the pin shaft, the middle portions of the two arm supports are connected through springs, and the two compression rollers are arranged at the lower ends of the two arm supports.

7. The system for filament winding of a profiled body according to claim 1, characterized in that, The displacement driving mechanism comprises a cross beam and three third linear driving assemblies, two of the third linear driving assemblies are horizontally arranged longitudinally and symmetrically, and the left and right ends of the cross beam are fixedly connected with the execution ends of the two third linear driving assemblies arranged longitudinally; The other third linear driving assembly is horizontally installed on the top of the cross beam, and the bottom of the mounting frame is fixedly connected with the execution end of the third linear driving assembly arranged horizontally.

8. The system for filament winding of claim 7, wherein, The first, second and third linear driving assemblies each comprise a strip-shaped mounting plate, a second guide rail, a second guide sliding block, a second screw rod and a fourth servo motor, the second guide rails are arranged in parallel and at intervals on one side of the strip-shaped mounting plate, and the two ends of the second guide rails are fixedly connected with the strip-shaped mounting plate through end seats; The second guide sliding block is sleeved on the second guide rail and is in sliding connection with the second guide rail in the length direction; The second screw rod is arranged on the second guide rail between the strip-shaped mounting plates, one end of the second screw rod is rotatably connected with the end seat, a second nut is arranged on the second screw rod, the second nut is fixedly connected with the second guide sliding block, and the other end of the second screw rod is connected with the output end of the fourth servo motor; in the working state, the second screw rod drives the second guide sliding block to move along the second guide rail through the second nut.

9. The system for filament winding of a profiled body according to claim 1, characterized in that, The spool rotation driving mechanism comprises a supporting roller and a fifth servo motor, the supporting roller is horizontally arranged on one side of the mounting frame, and the end portion of the supporting roller penetrates through the mounting frame and is rotatably connected with the mounting frame; The fifth servo motor is arranged on the other side of the mounting frame, the output end of the fifth servo motor is connected with the end portion of the supporting roller, and the supporting roller can be driven to rotate by the fifth servo motor. The tension detection mechanism comprises a tension roller, guide rollers and a tension sensor, the tension roller is arranged above the supporting roller through a tension support, the guide rollers are two, arranged above the tension roller respectively in front and behind, the tension sensor is arranged on the tension support and connected with the control unit in communication.

10. The system for filament winding of a profiled body according to claim 1, characterized in that, The reversing mechanism comprises a reversing support, reversing rollers, L-shaped connecting rods and a sixth servo motor, the sixth servo motor is arranged on one side of the mounting frame, an output end of the sixth servo motor is connected with a speed reducer, and an output shaft of the speed reducer is arranged horizontally in the longitudinal direction; The reversing rollers are two, arranged in parallel and spaced apart on the reversing support and in rotation cooperation with the reversing support, one end of the L-shaped connecting rod is fixedly connected with the output shaft of the speed reducer in the same axis, and the other end is fixedly connected with the middle part of the reversing support away from the reversing rollers; In the working state, the sixth servo motor can drive the reversing support to rotate around the output shaft of the speed reducer, so as to adjust the change of the winding direction of the fiber on the surface of the core mold.

Citation Information

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