CN108749042B - Pultrusion production method and equipment for fiber reinforced composite material bent section - Google Patents
Pultrusion production method and equipment for fiber reinforced composite material bent section Download PDFInfo
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- CN108749042B CN108749042B CN201810521183.XA CN201810521183A CN108749042B CN 108749042 B CN108749042 B CN 108749042B CN 201810521183 A CN201810521183 A CN 201810521183A CN 108749042 B CN108749042 B CN 108749042B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
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Abstract
The invention relates to a pultrusion production method and equipment for a fiber reinforced composite material bent section, wherein the production method comprises the working procedures of yarn feeding, fiber arrangement, gum dipping, preforming, curing and forming, traction and cutting; the equipment for realizing the pultrusion production method comprises a creel, a fiber arrangement plate, a guide roller, a resin glue groove, a preforming die, a curing die, a first bending traction device, a second bending traction device, a cutting device and a rack; after the yarn is preliminarily heated, extruded and solidified and molded in a curing mold, the yarn is pulled out of the mold by a bending traction device, moves along a circular curve track, and is cut into a bent section after reaching a proper length. The method is simple and clear, has simple and easy production tools, and is suitable for pultrusion production of curved profiles with different radiuses.
Description
Technical Field
The invention relates to a pultrusion production method and equipment for a fiber reinforced composite material bent section, belonging to the field of fiber reinforced composite material structures.
Background
The pultrusion process is a method for continuously producing fiber reinforced composite material section bar, which is an automatic production process for forming pultrusion product by impregnating twistless fiber roving or other continuous reinforcing materials on a creel, polyester surface felt and the like with resin, then passing through a forming die with a certain shape, curing and forming in the die, and then continuously discharging the die. The pultrusion has the advantages that: the production process is completely automatically controlled, the production efficiency is high, the gum dipping is carried out under tension, the function of a reinforcing material can be fully exerted, the product strength is high, and no leftover material exists in the production process. As a forming process for producing the composite material with low cost and high quality, the method is particularly suitable for producing the composite material with continuous and fixed cross section. The disadvantages are the high requirements for the manufacture of the mould, the imprecise control of the fibre and resin content and the requirements for the properties of the resin used for pultrusion (rapid curing).
Disclosure of Invention
The technical problem is as follows: the invention aims to provide a pultrusion production method and equipment for a fiber reinforced composite material curved profile, which are simple and clear, simple in equipment and suitable for producing curved profiles with different radiuses.
The technical scheme is as follows: the invention provides pultrusion production equipment for a fiber reinforced composite material bent section, which comprises a creel, a fiber arrangement plate, a guide roller, a resin glue groove, a preforming mold, a curing mold, a traction device, a cutting device and a rack, wherein the fiber arrangement plate is arranged on the creel; the creel, the fiber arrangement plate and the resin glue groove are sequentially arranged at the front end of the preforming mold, an outlet of the resin glue groove is communicated with an inlet end of the preforming mold, and the guide roller (3) is arranged at the front end, the rear end and the middle position of the bottom of the resin glue groove (4); the exit end of preforming mould and the entry end intercommunication of curing mold, the exit end outside of curing mold is provided with draw gear, and draw gear's rear is provided with cutting device, and curing mold and cutting device are fixed in on the frame.
Wherein:
the curing mould is a linear mould or a curved mould; when producing solid curved sections, the curing mould only has an outer mould, and when producing hollow curved sections, the curing mould consists of an outer mould and a mould core.
When the curing die is a curve die, the curvature radius of the inner wall of the outer die is the same as that of the outer wall of the solid bent section in the process of producing the solid bent section; in the process of producing the hollow curved section, the curvature radius of the inner wall of the outer die of the curing die is the same as that of the outer wall of the hollow curved section, and the curvature radius of the outer wall of the die core is the same as that of the inner wall of the hollow curved section.
The traction device comprises a first bending traction device and a second bending traction device, and the two structures are respectively composed of a chuck and a spiral arm for fixing the chuck; the chuck consists of a vertical guide rail, an upper clamping plate and a lower clamping plate which are fixed on the vertical guide rail in parallel, one end of a spiral arm is fixedly connected with the vertical guide rail, the other end of the spiral arm is connected with a fixed rod fixed on the rack, and the radius of the track of the spiral arm rotating around the fixed rod is the same as that of the central line of the bent section; the side surface of the spiral arm is connected with one end of the jack through a connecting piece, the connecting piece and the spiral arm do relative linear motion along the length direction of the spiral arm, and the connecting piece and the jack rotate mutually; the other end of the jack is fixedly connected with a fixed plate which is fixedly connected with the rack to prevent the jack from sliding;
the side of spiral arm passes through the connecting piece and links to each other with the one end of jack, specifically sets up the spout for the spiral arm side, has the slider in the spout, and the slider sees through the slotted hole and links to each other through the hinge with the jack, and during the jack top pushed away, through rotating hinge and slider for the spiral arm rotates round the dead lever, and the chuck is under the drive of spiral arm, and the section bar is pressed from both sides and is followed the curvilinear figure orbit motion, and when the jack was retrieved, because the slotted hole blocks the slider, the spiral arm was driven and is moved back.
The upper clamping plate and the lower clamping plate slide up and down along the vertical guide rail to clamp the sectional material.
The other end of the spiral arm is connected with the fixed rod, and the other end of the spiral arm is sleeved on the fixed rod through a circular ring.
The spring is additionally arranged between the spiral arm and the fixing plate, when the spiral arm does not rotate, the spring is in an initial state, when the jack pushes the spiral arm to rotate, the spring begins to deform, after the spiral arm moves to the farthest distance, the jack returns oil and does not apply jacking force any more, the spring begins to retract, and the spiral arm is driven to return to the initial state.
The other end that indicates the spiral arm passes through the ring cover on the dead lever, installs the torsional spring additional in the ring, the torsional spring is initial state when the spiral arm is not rotatory, when the jack promoted the spiral arm rotatory, the torsional spring begins to warp, moves to the farthest distance after, the jack oil return no longer applys jacking force, the initial state is resumeed gradually to the torsional spring, drives the spiral arm and gets back to initial position.
The spiral arms of the first bending traction device and the second bending traction device are arranged in a vertically staggered mode, and the length of each spiral arm is matched with the curvature radius of the bent section.
According to the different cross-sectional shapes and curvature radii of the designed curved profiles, the cross-sectional shapes and curvature radii of the curing molds are adjusted, and the length of the spiral arms is adjusted, so that the method is applicable to pultrusion production of different curved profiles.
The invention also provides a method for producing the bent profile by using the pultrusion production equipment for the fiber reinforced composite bent profile, which comprises the following steps:
1) controlling the creel to discharge yarns, controlling the yarn discharging speed, and immersing the yarns into a resin glue tank through a guide roller for glue dipping after the yarns are collected by a fiber distribution plate;
2) after gum dipping, the mixture enters a preforming mold, after redundant resin and bubbles are removed, the mixture enters a curing mold, and a bent section is formed through heating and extrusion;
3) the bending section is pulled out along a curve-shaped track by a first traction device, when the bending section is pulled to a second traction device, the second traction device clamps the section, the first traction device is loosened, the second traction device continues to pull out along the curve-shaped track, meanwhile, the first traction device moves back, when the first traction device is retracted to an outlet of a curing mold, the second traction device is pulled to the farthest distance, the first traction device clamps the section at the outlet, the section is continuously pulled out, the second traction device loosens the section, the section moves back until the initial position and is in butt joint with the first traction device, the previous processes are repeated, and after the section is reciprocated for a certain length in this way, the cutting device cuts the section to form the bending section.
Has the advantages that: compared with the prior art, the invention has the following advantages:
1) the method is simple and clear, the equipment is simple and easy to implement, and the method can be directly used after being changed on the original equipment of the linear section;
2) the method can be suitable for the production of curve profiles with different curvature radiuses;
3) the motion trail of the traction device is clear and easy to control.
Drawings
FIG. 1 is a schematic view of a pultrusion production method and a complete set of equipment for producing a curved profile in example 1;
FIG. 2 is a top view of the curing mold of example 1;
FIG. 3 is a front view of a curing mold in example 1;
FIG. 4 is a schematic view showing the configuration of a bending draft apparatus in embodiment 1;
FIG. 5 is a schematic view showing the hinge joint of the slide block and the jack in the bending traction apparatus of embodiment 1;
FIG. 6 is a plan view of a radial arm in the bending traction apparatus according to embodiment 1;
FIG. 7 is a front view of a radial arm in the curved draft gear in example 1;
FIG. 8 is a schematic view showing the configuration of a curved draft gear according to embodiment 2.
In the drawings: creel 1, fibre cloth arranging plate 2, guide roll 3, resin glue groove 4, preforming mould 5, curing mould 6, external mould 6.1, mould core 6.2, first crooked draw gear 7, punch holder 7.1, vertical guide 7.2, lower plate 7.3, spiral arm 7.4, spout 7.5, slider 7.6, hinge 7.7, jack 7.8, fixed plate 7.9, dead lever 7.10, slotted hole 7.11, second crooked draw gear 8, cutting device 9, frame 10, crooked section bar 11 and spring 12.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
Example 1
A pultrusion production device (shown in figure 1) of a fiber reinforced composite material bent section comprises a creel 1, a fiber arrangement plate 2, a guide roller 3, a resin glue groove 4, a preforming mold 5, a curing mold 6, a traction device, a cutting device 9 and a frame 10; the creel 1, the fiber arranging plate 2 and the resin glue groove 4 are sequentially arranged at the front end of the preforming mold 5, the outlet of the resin glue groove 4 is communicated with the inlet end of the preforming mold 5, and the guide roller 3 is arranged at the front end, the rear end and the middle position of the bottom of the resin glue groove 4; the outlet end of the preforming mold 5 is communicated with the inlet end of the curing mold 6, a traction device is arranged on the outer side of the outlet end of the curing mold 6, a cutting device 9 is arranged behind the traction device, and the curing mold 6 and the cutting device 9 are fixed on a rack 10.
The traction device comprises a first bending traction device 7 and a second bending traction device 8 (shown in figures 4, 5, 6 and 7), and the structures of the first bending traction device and the second bending traction device are both composed of a chuck and a radial arm 7.4 for fixing the chuck; the clamping head consists of a vertical guide rail 7.2, an upper clamping plate 7.1 and a lower clamping plate 7.3 which are fixed on the vertical guide rail 7.2 in parallel, and the upper clamping plate 7.1 and the lower clamping plate 7.3 both slide up and down along the vertical guide rail 7.2 to clamp the sectional material; one end of the radial arm 7.4 is fixedly connected with the vertical guide rail 7.2, the other end of the radial arm 7.4 is sleeved on the fixed rod 7.10 through a circular ring, and the radius of the track of the radial arm 7.4 rotating around the fixed rod 7.10 is the same as that of the central line of the bent section bar 11; the side surface of the swing arm 7.4 is provided with a sliding chute 7.5, a sliding block 7.6 is arranged in the sliding chute, the sliding block 7.6 is connected with a jack 7.8 through a slotted hole 7.11 by a hinge 7.7, the other end of the jack 7.8 is fixedly connected with a fixed plate 7.9, the fixed plate 7.9 is fixedly connected with a rack 10, and the swing arms 7.4 of the first bending traction device 7 and the second bending traction device 8 are arranged in a vertically staggered manner.
The curing mold 6 (shown in fig. 2 and 3) is a linear mold or a curved mold; when producing solid curved section, the curing mould 6 only has an outer mould 6.1, when producing hollow curved section, the curing mould 6 consists of the outer mould 6.1 and a mould core 6.2; when the curing mould 6 is a curve mould, the curvature radius of the inner wall of the outer mould 6.1 is the same as that of the outer wall of the solid curved section in the process of producing the solid curved section; in the process of producing the hollow curved section, the curvature radius of the inner wall of the outer die 6.1 of the curing die 6 is the same as that of the outer wall of the hollow curved section, and the curvature radius of the outer wall of the die core 6.2 is the same as that of the inner wall of the hollow curved section.
According to different designed sectional shapes and curvature radiuses of the bent profiles 11, the sectional shapes and the curvature radiuses of the curing molds 6 are adjusted, and the length of the rotary arms 7.4 is adjusted, so that the method is applicable to pultrusion production of different bent profiles 11.
The method for producing the bent profile by using the pultrusion production equipment for the fiber reinforced composite bent profile comprises the following steps: controlling a creel 1 to discharge yarns, after the yarns are gathered by a fiber arrangement plate 2, immersing the yarns into a resin glue groove 4 through a guide roller 3 for glue dipping, then entering a preforming mold 5 to remove redundant resin and bubbles, then entering a curing mold 6, forming a bent section 11 through heating and extrusion, then pulling out the bent section along a curved track by a first traction device 7, when the bent section is pulled to a second traction device 8, clamping the section 11 by the second traction device 8, loosening the first traction device 7, continuously pulling out the bent section along the curved track by the second traction device 8, simultaneously moving the first traction device 7 back, when the first traction device 7 is retracted to an outlet of the curing mold 6, pulling out the section 8 to the farthest distance, clamping the section 11 at the outlet by the first traction device 7, continuously pulling out, loosening the section 11 by the second traction device 8, moving back until the initial position is in butt joint with the first traction device 7, the previous process is repeated, and after reciprocating for a certain length, the bent profile is cut by the cutting device 9.
Example 2
A pultrusion production device (shown in figure 1) of a fiber reinforced composite material bent section comprises a creel 1, a fiber arrangement plate 2, a guide roller 3, a resin glue groove 4, a preforming mold 5, a curing mold 6, a traction device, a cutting device 9 and a frame 10; the creel 1, the fiber arranging plate 2 and the resin glue groove 4 are sequentially arranged at the front end of the preforming mold 5, the outlet of the resin glue groove 4 is communicated with the inlet end of the preforming mold 5, and the guide roller 3 is arranged at the front end, the rear end and the middle position of the bottom of the resin glue groove 4; the outlet end of the preforming mold 5 is communicated with the inlet end of the curing mold 6, a traction device is arranged on the outer side of the outlet end of the curing mold 6, a cutting device 9 is arranged behind the traction device, and the curing mold 6 and the cutting device 9 are fixed on a rack 10.
The traction device comprises a first bending traction device 7 and a second bending traction device 8 (shown in figures 4, 5, 6 and 7), and the structures of the first bending traction device and the second bending traction device are both composed of a chuck and a radial arm 7.4 for fixing the chuck; the clamping head consists of a vertical guide rail 7.2, an upper clamping plate 7.1 and a lower clamping plate 7.3 which are fixed on the vertical guide rail 7.2 in parallel, and the upper clamping plate 7.1 and the lower clamping plate 7.3 both slide up and down along the vertical guide rail 7.2 to clamp the sectional material; one end of the radial arm 7.4 is fixedly connected with the vertical guide rail 7.2, the other end of the radial arm 7.4 is sleeved on the fixed rod 7.10 through a circular ring, and the radius of the track of the radial arm 7.4 rotating around the fixed rod 7.10 is the same as that of the central line of the bent section bar 11; a sliding chute 7.5 is arranged on the side surface of the rotary arm 7.4, a sliding block 7.6 is arranged in the sliding chute, the sliding block 7.6 is connected with a jack 7.8 through a slotted hole 7.11 by a hinge 7.7, the other end of the jack 7.8 is fixedly connected with a fixed plate 7.9, the fixed plate 7.9 is fixedly connected with a rack 10, and the rotary arms 7.4 of the first bending traction device 7 and the second bending traction device 8 are arranged in a vertically staggered manner; a spring 12 (as shown in fig. 8) is additionally arranged between the fixed plate 7.9 and the radial arm 7.4, the initial state of the spring is the state when the radial arm 7.4 is not rotated, when the jack 7.8 pushes the radial arm 7.4 to rotate, the spring starts to deform, after the spring moves to the farthest distance, the jack 7.8 returns oil, the jacking force is not applied any more, the spring starts to retract, and the radial arm 7.4 is driven to return to the initial state.
The curing mold 6 (shown in fig. 2 and 3) is a linear mold or a curved mold; when producing solid curved section, the curing mould 6 only has an outer mould 6.1, when producing hollow curved section, the curing mould 6 consists of the outer mould 6.1 and a mould core 6.2; when the curing mould 6 is a curve mould, the curvature radius of the inner wall of the outer mould 6.1 is the same as that of the outer wall of the solid curved section in the process of producing the solid curved section; in the process of producing the hollow curved section, the curvature radius of the inner wall of the outer die 6.1 of the curing die 6 is the same as that of the outer wall of the hollow curved section, and the curvature radius of the outer wall of the die core 6.2 is the same as that of the inner wall of the hollow curved section.
According to different designed sectional shapes and curvature radiuses of the bent profiles 11, the sectional shapes and the curvature radiuses of the curing molds 6 are adjusted, and the length of the rotary arms 7.4 is adjusted, so that the method is applicable to pultrusion production of different bent profiles 11.
The method for producing the bent profile by using the pultrusion production equipment for the fiber reinforced composite bent profile comprises the following steps: controlling a creel 1 to discharge yarns, after the yarns are gathered by a fiber arrangement plate 2, immersing the yarns into a resin glue groove 4 through a guide roller 3 for glue dipping, then entering a preforming mold 5 to remove redundant resin and bubbles, then entering a curing mold 6, forming a bent section 11 through heating and extrusion, then pulling out the bent section along a curved track by a first traction device 7, when the bent section is pulled to a second traction device 8, clamping the section 11 by the second traction device 8, loosening the first traction device 7, continuously pulling out the bent section along the curved track by the second traction device 8, simultaneously moving the first traction device 7 back, when the first traction device 7 is retracted to an outlet of the curing mold 6, pulling out the section 8 to the farthest distance, clamping the section 11 at the outlet by the first traction device 7, continuously pulling out, loosening the section 11 by the second traction device 8, moving back until the initial position is in butt joint with the first traction device 7, the previous process is repeated, and after reciprocating for a certain length, the bent profile is cut by the cutting device 9.
Example 3
A pultrusion production device (shown in figure 1) of a fiber reinforced composite material bent section comprises a creel 1, a fiber arrangement plate 2, a guide roller 3, a resin glue groove 4, a preforming mold 5, a curing mold 6, a traction device, a cutting device 9 and a frame 10; the creel 1, the fiber arranging plate 2 and the resin glue groove 4 are sequentially arranged at the front end of the preforming mold 5, the outlet of the resin glue groove 4 is communicated with the inlet end of the preforming mold 5, and the guide roller 3 is arranged at the front end, the rear end and the middle position of the bottom of the resin glue groove 4; the outlet end of the preforming mold 5 is communicated with the inlet end of the curing mold 6, a traction device is arranged on the outer side of the outlet end of the curing mold 6, a cutting device 9 is arranged behind the traction device, and the curing mold 6 and the cutting device 9 are fixed on a rack 10.
The traction device comprises a first bending traction device 7 and a second bending traction device 8 (shown in figures 4, 5, 6 and 7), and the structures of the first bending traction device and the second bending traction device are both composed of a chuck and a radial arm 7.4 for fixing the chuck; the clamping head consists of a vertical guide rail 7.2, an upper clamping plate 7.1 and a lower clamping plate 7.3 which are fixed on the vertical guide rail 7.2 in parallel, and the upper clamping plate 7.1 and the lower clamping plate 7.3 both slide up and down along the vertical guide rail 7.2 to clamp the sectional material; one end of the radial arm 7.4 is fixedly connected with the vertical guide rail 7.2, the other end of the radial arm 7.4 is sleeved on the fixed rod 7.10 through a circular ring, and the radius of the track of the radial arm 7.4 rotating around the fixed rod 7.10 is the same as that of the central line of the bent section bar 11; a sliding chute 7.5 is arranged on the side surface of the rotary arm 7.4, a sliding block 7.6 is arranged in the sliding chute, the sliding block 7.6 is connected with a jack 7.8 through a slotted hole 7.11 by a hinge 7.7, the other end of the jack 7.8 is fixedly connected with a fixed plate 7.9, the fixed plate 7.9 is fixedly connected with a rack 10, and the rotary arms 7.4 of the first bending traction device 7 and the second bending traction device 8 are arranged in a vertically staggered manner; install a torsional spring in the connecting ring of radial arm 7.4 and dead lever 7.10 additional, the initial condition of torsional spring is the state when radial arm 7.4 does not rotate, and when jack 7.8 promoted radial arm 7.4 and rotated, the torsional spring began to warp, after moving to the farthest distance, jack 7.8 oil return, no longer exert jacking force, the torsional spring began to resume initial condition gradually, drives radial arm 7.4 and gets back to initial position.
The curing mold 6 (shown in fig. 2 and 3) is a linear mold or a curved mold; when producing solid curved section, the curing mould 6 only has an outer mould 6.1, when producing hollow curved section, the curing mould 6 consists of the outer mould 6.1 and a mould core 6.2; when the curing mould 6 is a curve mould, the curvature radius of the inner wall of the outer mould 6.1 is the same as that of the outer wall of the solid curved section in the process of producing the solid curved section; in the process of producing the hollow curved section, the curvature radius of the inner wall of the outer die 6.1 of the curing die 6 is the same as that of the outer wall of the hollow curved section, and the curvature radius of the outer wall of the die core 6.2 is the same as that of the inner wall of the hollow curved section.
According to different designed sectional shapes and curvature radiuses of the bent profiles 11, the sectional shapes and the curvature radiuses of the curing molds 6 are adjusted, and the length of the rotary arms 7.4 is adjusted, so that the method is applicable to pultrusion production of different bent profiles 11.
The method for producing the bent profile by using the pultrusion production equipment for the fiber reinforced composite bent profile comprises the following steps: controlling a creel 1 to discharge yarns, after the yarns are gathered by a fiber arrangement plate 2, immersing the yarns into a resin glue groove 4 through a guide roller 3 for glue dipping, then entering a preforming mold 5 to remove redundant resin and bubbles, then entering a curing mold 6, forming a bent section 11 through heating and extrusion, then pulling out the bent section along a curved track by a first traction device 7, when the bent section is pulled to a second traction device 8, clamping the section 11 by the second traction device 8, loosening the first traction device 7, continuously pulling out the bent section along the curved track by the second traction device 8, simultaneously moving the first traction device 7 back, when the first traction device 7 is retracted to an outlet of the curing mold 6, pulling out the section 8 to the farthest distance, clamping the section 11 at the outlet by the first traction device 7, continuously pulling out, loosening the section 11 by the second traction device 8, moving back until the initial position is in butt joint with the first traction device 7, the previous process is repeated, and after reciprocating for a certain length, the bent profile is cut by the cutting device 9.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. The utility model provides a pultrusion production device for fiber reinforced composite material curved profiles, which is characterized in that: the equipment comprises a creel (1), a fiber arrangement plate (2), a guide roll (3), a resin glue groove (4), a preforming mold (5), a curing mold (6), a traction device, a cutting device (9) and a frame (10); the creel (1), the fiber cloth arranging plate (2) and the resin glue groove (4) are sequentially arranged at the front end of the preforming mold (5), the outlet of the resin glue groove (4) is communicated with the inlet end of the preforming mold (5), and the guide roller (3) is arranged at the front end, the rear end and the middle position of the bottom of the pool of the resin glue groove (4); the outlet end of the preforming mold (5) is communicated with the inlet end of the curing mold (6), a traction device is arranged on the outer side of the outlet end of the curing mold (6), a cutting device (9) is arranged behind the traction device, the curing mold (6) and the cutting device (9) are fixed on a rack (10), the traction device comprises a first bending traction device (7) and a second bending traction device (8), and the structures of the first bending traction device and the second bending traction device are both composed of a chuck and a rotating arm (7.4) for fixing the chuck; the clamp head comprises a vertical guide rail (7.2), an upper clamping plate (7.1) and a lower clamping plate (7.3) which are fixed on the vertical guide rail (7.2) in parallel, one end of a spiral arm (7.4) is fixedly connected with the vertical guide rail (7.2), the other end of the spiral arm (7.4) is connected with a fixed rod (7.10) fixed on a rack (10), and the radius of the track of the spiral arm (7.4) rotating around the fixed rod (7.10) is the same as the radius of the central line of the bent profile (11); the side surface of the radial arm (7.4) is connected with one end of the jack through a connecting piece, the connecting piece and the radial arm (7.4) do relative linear motion along the length direction of the radial arm (7.4), and the connecting piece and the jack rotate mutually; the other end of the jack is fixedly connected with a fixed plate (7.9), and the fixed plate (7.9) is fixedly connected with the frame (10).
2. The pultrusion production device for the fiber reinforced composite material curved profiles as claimed in claim 1, characterized in that: the curing mould (6) is a linear mould or a curved mould; when producing solid curved profiles, the curing mould (6) has only an outer mould (6.1), and when producing hollow curved profiles, the curing mould (6) consists of an outer mould (6.1) and a mould core (6.2).
3. The pultrusion production device for the fiber reinforced composite material curved profiles as claimed in claim 2, characterized in that: when the curing mould (6) is a curved mould, the curvature radius of the inner wall of the outer mould (6.1) is the same as that of the outer wall of the solid curved section in the process of producing the solid curved section; in the process of producing the hollow curved section, the curvature radius of the inner wall of an outer die (6.1) of the curing die (6) is the same as that of the outer wall of the hollow curved section, and the curvature radius of the outer wall of a die core (6.2) is the same as that of the inner wall of the hollow curved section.
4. The pultrusion production device for the fiber reinforced composite material curved profiles as claimed in claim 1, characterized in that: the side of spiral arm (7.4) links to each other through the connecting piece and the one end of jack, specifically is: the side surface of the rotary arm (7.4) is provided with a sliding chute (7.5), a sliding block (7.6) is arranged in the sliding chute, and the sliding block (7.6) is connected with the jack (7.8) through a hinge (7.7) through a slotted hole (7.11).
5. The pultrusion production device for the fiber reinforced composite material curved profiles as claimed in claim 1, characterized in that: the upper clamping plate (7.1) and the lower clamping plate (7.3) slide up and down along the vertical guide rail (7.2) to clamp the section bar.
6. The pultrusion production device for the fiber reinforced composite material curved profiles as claimed in claim 1, characterized in that: the other end of the radial arm (7.4) is connected with a fixed rod (7.10) fixed on the frame (10), which means that the other end of the radial arm (7.4) is sleeved on the fixed rod (7.10) through a circular ring.
7. The pultrusion production device for the fiber reinforced composite material curved profiles as claimed in claim 1, characterized in that: a spring (12) is additionally arranged between the rotary arm (7.4) and the fixed plate (7.9).
8. The pultrusion production device for the fiber reinforced composite material curved profiles as claimed in claim 1, characterized in that: the other end of the spiral arm (7.4) is sleeved on the fixed rod (7.10) through a circular ring, and a torsion spring is additionally arranged in the circular ring.
9. A method for producing a curved profile by using pultrusion production equipment of the fiber reinforced composite curved profile as claimed in any one of claims 1 to 8, comprising the following steps of:
1) controlling a creel (1) to discharge yarns, and immersing the yarns into a resin glue tank (4) through a guide roller (3) for glue dipping after the yarns are gathered by a fiber cloth arranging plate (2);
2) the yarn is dipped in glue and then enters a preforming mold (5), after redundant resin and bubbles are removed, the yarn enters a curing mold (6), and a bent section bar (11) is formed through heating and extrusion;
3) the bent section (11) is pulled out along a curved track by a first bending traction device (7), when the bent section is pulled to a second bending traction device (8), the second bending traction device (8) clamps the section (11), the first bending traction device (7) is loosened, the bent section is continuously pulled out along the curved track by the second bending traction device (8), meanwhile, the first bending traction device (7) moves back, when the first bending traction device (7) is retracted to an outlet of a curing mould (6), the second bending traction device (8) is pulled to the farthest distance, the first bending traction device (7) clamps the section (11) at the outlet, the bent section is continuously pulled out, the second bending traction device (8) loosens the section (11), the section moves back until the initial position is in butt joint with the first bending traction device (7), the previous process is repeated, and after the section is reciprocated for a certain length, the cutting device (9) is used for cutting, forming a curved profile.
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| CN109648891A (en) * | 2018-12-14 | 2019-04-19 | 陕西四方联合轨道交通设备有限公司 | A kind of continuously shaped matrix device of intelligence composite material thermoplastic and method |
| DE102019127025A1 (en) * | 2019-10-08 | 2021-04-08 | Kraussmaffei Technologies Gmbh | Pultrusion device for curved profiles |
| CN111649084A (en) * | 2020-06-11 | 2020-09-11 | 中航复合材料有限责任公司 | Composite material plate spring structure for vehicle manufactured by pultrusion process |
| CN113619163A (en) * | 2021-08-12 | 2021-11-09 | 山东金利德机械股份有限公司 | Forming method and production line of bent fiber reinforced composite material |
| CN115091788B (en) * | 2022-03-01 | 2024-04-19 | 南京诺尔泰复合材料设备制造有限公司 | Method suitable for compensating pulling and extruding process of photovoltaic fiber reinforced composite frame |
| CN115122674B (en) * | 2022-05-24 | 2024-03-29 | 哈尔滨玻璃钢研究院有限公司 | Bending composite material profile pultrusion equipment |
| CN117944294B (en) * | 2024-03-27 | 2024-05-28 | 山东金利德机械股份有限公司 | Pultrusion production equipment and method for fiber reinforced composite material curve profile |
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| US8852475B2 (en) * | 2005-12-01 | 2014-10-07 | Saint-Gobain Performance Plastics Corporation | Method of making continuous filament reinforced structural plastic profiles using pultrusion/coextrusion |
| DE102008013467A1 (en) * | 2007-03-23 | 2008-11-13 | Thomas Gmbh + Co. Technik + Innovation Kg | Method and device for producing a plastic profile |
| CN101870171A (en) * | 2010-07-08 | 2010-10-27 | 廖济柙 | Pultrusion method and special equipment for producing bent section |
| KR101322857B1 (en) * | 2011-06-03 | 2013-10-29 | (주)이소 | Manufacturing apparatus for round surface panel and Manufacturing method thereof |
| CN103273667A (en) * | 2013-05-03 | 2013-09-04 | 马希祥 | Pultrusion system for producing multi-layer greenhouse beam and use method of pultrusion system |
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| CN206812473U (en) * | 2017-04-11 | 2017-12-29 | 南京豪力液压设备有限公司 | A kind of extruder and its draw-gear |
| CN206938018U (en) * | 2017-06-20 | 2018-01-30 | 南通浩冰汽车车厢有限公司 | A kind of automobile bodies fiberglass cold air groove manufacturing equipment |
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