CN109968691B - Fiber thermoplastic casting vibration infiltration pre-dipping machine - Google Patents
Fiber thermoplastic casting vibration infiltration pre-dipping machine Download PDFInfo
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- CN109968691B CN109968691B CN201711440927.7A CN201711440927A CN109968691B CN 109968691 B CN109968691 B CN 109968691B CN 201711440927 A CN201711440927 A CN 201711440927A CN 109968691 B CN109968691 B CN 109968691B
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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]
- B29C70/504—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] using rollers or pressure bands
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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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention discloses a fiber thermoplastic casting vibration infiltration pre-dipping machine, which comprises: the first, second and third racks are sequentially arranged from back to front; the feeding device is arranged at the rear side of the first rack and accommodates materials; a drive mechanism; a pretreatment mechanism; the vibration yarn unfolding mechanism is used for carrying out yarn unfolding treatment on the materials; the two casting heads are used for respectively carrying out primary infiltration and yarn fixing treatment on the upper surface and the lower surface of the material; the two pairs of steel belt groups are arranged on the upper side and the lower side of the material in a mirror symmetry manner, and extrude the upper surface and the lower surface of the material together and drive the material to move forwards; at least one group of heating components which are arranged in a mirror image way from top to bottom are distributed on the upper surface and the lower surface of the material and heat the material; the pair of vibration generators are arranged on the upper side and the lower side of the material in a mirror symmetry manner and used for breaking molecular chains of the material; the accommodating device is used for accommodating the processed materials. The thermoplastic prepreg in the technical scheme has high precision and high working efficiency, and can impregnate fiber woven cloth and various unidirectional fibers.
Description
Technical Field
The invention relates to the technical field of preparation of carbon fiber thermoplastic materials, in particular to a fiber thermoplastic casting vibration infiltration pre-dipping machine.
Background
The thermoplastic composite material has the outstanding characteristics of low density, high strength, quick processing, recoverability and reutilization and the like, belongs to a novel composite material with high performance, low cost and environmental protection, and has wide application prospect in the aspects of military industry, civil use, medical treatment, sports and the like by partially replacing expensive engineering plastics, thermosetting composite materials and light metal materials. The problem of difficult infiltration of the thermoplastic composite material restricts the popularization and application of the thermoplastic composite material, and the fiber thermoplastic casting strong infiltration pre-impregnator disclosed by the invention is good equipment for solving the problem of difficult infiltration of the thermoplastic composite material, has the advantages of thorough infiltration and high preparation speed, and has wide market application prospect.
Currently, the production methods of thermoplastic prepregs mainly include three methods, i.e., a dipping method, a film method and a hot-melt method. The dipping method for producing the prepreg by using the dipping tank has the advantages of simple production process and low cost, and the defects that the precision and the prepreg effect of the prepared prepreg are not ideal. The film method for preparing the thermoplastic prepreg by using the thermoplastic plastic film has the advantages of simple production process and low cost, and the defect that the prepared prepreg has great limitation on the prepreg effect due to the limitation of the precision and variety of the film. The hot melting method is generally divided into a coating method and a casting method, and has the advantages that the preparation of the carbon fiber prepreg which is easy to soak due to thermosetting can obtain higher resin precision and soaking effect, the carbon fiber which is difficult to soak due to thermoplastic materials has the defects, the soaking is not thorough enough, the energy is wasted, and the production efficiency is lower.
Disclosure of Invention
Aiming at the problems in the prior art, the fiber thermoplastic tape casting vibration infiltration preimpregnation machine which is high in thermoplastic preimpregnation precision and working efficiency and can impregnate fiber woven cloth and various unidirectional fibers is provided, and the technical defects are overcome.
The specific technical scheme is as follows:
the utility model provides a fibre thermoplasticity curtain coating vibrations infiltration preimpregnation machine, is applied to and soaks fibre woven fabric and multiple one-way tow, includes:
the first frame, the second frame and the third frame are sequentially arranged from back to front;
the feeding device is arranged at the rear side of the first rack and accommodates materials;
the driving mechanism is arranged on the third rack and used for driving the materials to move out of the feeding device and move along a path from back to front;
the pretreatment mechanism is arranged on the first rack and used for pretreating materials;
the vibrating yarn spreading mechanism is arranged on the second rack, the lower end of the vibrating yarn spreading mechanism is abutted against the surface of the material, and the vibrating yarn spreading mechanism is used for performing yarn spreading treatment on the material;
the two casting heads are arranged on the second frame and are used for respectively carrying out primary infiltration and yarn fixing treatment on the upper surface and the lower surface of the material;
the two steel belt groups are arranged on the third rack in a mirror symmetry mode, are arranged on the upper side and the lower side of the material and jointly extrude the upper surface and the lower surface of the material and drive the material to move forwards;
the heating assemblies are arranged on the third rack, distributed on the upper surface and the lower surface of the material and used for heating the material;
the pair of vibration generators are arranged on the upper side and the lower side of the material in a mirror symmetry manner and are arranged on the third rack, so that molecular chains of the material are broken, and the viscosity of the thermoplastic material is reduced;
and the accommodating device is arranged at the foremost end of the third rack and is used for accommodating the processed materials.
Preferably, the second rack is further provided with a hot air mechanism, and an air outlet of the hot air mechanism faces the surface of the material.
Preferably, the curtain coating machine further comprises a control box, and the driving mechanism, the curtain coating head and the vibration generator are respectively and electrically connected with the control box.
Preferably, the vibration yarn spreading mechanism comprises vibration rollers and vibrators which are equal in number and opposite in position, each vibration roller can be longitudinally movably arranged on the second rack and abuts against the surface of the material, and the functional end of each vibrator is opposite to the peripheral position of one vibration roller.
Preferably, the second frame is rotatably provided with a first transition roller and a second transition roller, the second transition roller is positioned at the rear lower position of the first transition roller, the liquid outlet ends of the two casting heads are respectively close to the periphery of the first transition roller and the periphery of the second transition roller, and the material passes through between one casting head and the first transition roller and between the other casting head and the second transition roller.
Preferably, each steel belt set comprises two rollers which are rotatably arranged on the third frame and a steel belt which is arranged outside the two rollers, at least one roller is driven by a servo motor which is arranged on the third frame to rotate, and the steel belts of the two steel belt sets are opposite in rotation direction and used for clamping materials to move forwards.
Preferably, the accommodating device is a winding roller rotatably mounted at the foremost end of the third rack, and the winding roller is driven by a servo motor fixedly mounted on the third rack and used for collecting the processed material in a winding manner.
Preferably, the feeding device comprises a frame and a plurality of fiber rollers which are rotatably arranged on the frame, the fiber rollers are formed by sleeving a damping shaft and a fiber charging barrel, the material is a unidirectional fiber bundle, and each fiber roller is wound with the unidirectional fiber bundle;
the pretreatment mechanism comprises a first roller set and a second roller set, the first roller set and the second roller set are composed of a plurality of groove rollers, the peripheries of the groove rollers are uniformly provided with limit grooves which are circumferentially arranged, and the head ends of a plurality of unidirectional fiber bundles extend out of the fiber rollers and are sequentially clung to the groove roller limit grooves of the first roller set and the groove roller limit grooves of the second roller set.
Preferably, the feeding device comprises a frame and a fiber cloth roller rotatably arranged on the frame, the material is fiber cloth, and the fiber cloth is wound on the periphery of the fiber cloth roller;
the pretreatment mechanism comprises a first roller set and a second roller set, and the first roller set and the second roller set are composed of a plurality of optical axes.
Preferably, a cooling mechanism is further disposed between the two steel belts of each steel belt set, and the cooling mechanism is located at the front side of the heating assembly and the vibration generator and used for cooling and solidifying the material to form the thermoplastic prepreg sheet.
The beneficial effects of the above technical scheme are that:
(1) the thermoplastic prepreg has high precision and high working efficiency, can impregnate fiber woven cloth and various unidirectional fibers, and has stable and reliable structure and high automation degree;
(2) the first roller set and the second roller set are both composed of a plurality of grooved rollers, limiting grooves are formed in the peripheries of the grooved rollers and are used for limiting the positions of tows, and due to rolling friction, the tows are greatly prevented from being abraded and fluffed;
(3) the hot air mechanism can soften the sizing agent on the surface of the fiber and enable the yarn to be fluffy; the two groups of vibration yarn unfolding mechanisms enable the arrangement and yarn unfolding of the tows to be more uniform and fully unfold the yarns under the action of the vibration rollers;
(4) the vibration generator breaks molecular chains of the thermoplastic materials through vibration to enable the molecular chains to be thinned and further spread yarns to enable the molecular chains to be more uniform and more sufficient in infiltration, the thermoplastic materials on two sides are fully infiltrated into fibers under the combined action of vibration and heating extrusion in the heating area, and the fibers are cooled, shaped and solidified in the cooling area to form the thermoplastic prepreg sheet.
Drawings
FIG. 1 is a perspective view of a fiber thermoplastic casting vibratory infiltration pre-impregnator of the present invention;
FIG. 2 is a perspective view of a partial structure of a fiber thermoplastic casting vibration infiltration prepreg of the invention;
FIG. 3 is a side cross-sectional view of the fiber thermoplastic casting vibration immersion pre-immersion machine of the present invention;
FIG. 4 is a view showing the arrangement structure of grooved rollers in the fiber thermoplastic casting vibration infiltration prepreg machine.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, the following embodiments are specifically described in the following embodiments with reference to the accompanying drawings 1 to 4.
Referring to fig. 1, a perspective view of a fiber thermoplastic casting vibration immersion pre-dipping machine is shown; referring to fig. 2, a perspective view of a partial structure of a fiber thermoplastic casting vibration infiltration prepreg is shown; FIG. 3 is a side cross-sectional view of a fiber thermoplastic casting vibration immersion pre-immersion machine; and FIG. 4 is a view of the arrangement structure of grooved rollers in the fiber thermoplastic casting vibration infiltration prepreg machine. And defines the right-to-left direction as viewed on the paper of fig. 3 as the back-to-front direction in this embodiment.
As shown in fig. 1 to 4, the fiber thermoplastic casting vibration infiltration prepreg provided by the invention is applied to impregnating fiber woven cloth and various unidirectional fiber bundles, and comprises the following components: the device comprises a first rack 1, a second rack 2 and a third rack 3 which are sequentially arranged from back to front; a feeding device 4 which is arranged at the rear side of the first frame 1 and accommodates materials; a driving mechanism (not shown in the figure) arranged on the third frame 3 for driving the material to move out from the feeding device 4 and move along a path from back to front; the pretreatment mechanism is arranged on the first rack 1 and is used for pretreating materials; the vibration yarn spreading mechanism is arranged on the second rack 2, the lower end of the vibration yarn spreading mechanism is abutted against the surface of the material, and the vibration yarn spreading mechanism is used for performing yarn spreading treatment on the material; two casting heads 5 arranged on the second frame 2 for performing preliminary infiltration and yarn fixing treatment on the upper and lower surfaces of the material respectively; the two steel belt groups 6 are arranged on the third rack 3, and the two steel belt groups 6 are arranged on the upper side and the lower side of the material in a mirror symmetry manner, and extrude the upper surface and the lower surface of the material together and drive the material to move forwards; at least one group of heating components 7 which are arranged in an up-down mirror image mode are arranged on the third rack 3, distributed on the upper surface and the lower surface of the material and used for heating the material; the pair of vibration generators 8 are arranged on the upper side and the lower side of the material in a mirror symmetry manner and are arranged on the third rack 3, and are used for breaking molecular chains of the material to reduce the viscosity of the material; and the accommodating device 9 is arranged at the foremost end of the third rack 3 and is used for accommodating the processed materials.
In a preferred embodiment, as shown in fig. 2 in particular, the second frame 2 is further provided with a hot air mechanism 10, and an air outlet of the hot air mechanism 10 faces the surface of the material to soften the sizing agent on the surface of the material, so that the yarn spreading is easier. Specifically, the hot air mechanism 10 is an infrared heating device or a hot air blower. Further, the fiber thermoplastic casting vibration infiltration preimpregnation machine also comprises a control box 11, and the driving mechanism, the casting head 5 and the vibration generator 8 are respectively and electrically connected with the control box 11 and used for respectively controlling the running state of each part. Specifically, control box 11 sets up in one side of second frame 2, and has the PLC controller in control box 11, can be convenient play flow control's effect, and the components and parts that the PLC controller was conventionally adopted among the industrial automation, so omit here and describe.
As a further preferred embodiment, the vibrating yarn spreading mechanism comprises vibrating rollers 12 and vibrators 13 which are equal in number and opposite in position, each vibrating roller 12 is longitudinally movably mounted on the second frame 2 and abuts against the surface of the material, and the functional end of each vibrator 13 is opposite to the peripheral position of one vibrating roller 12. In this embodiment, the waist type inslot that sets up on second frame 2 is worn to locate at the both ends of vibrations roller 12 and vibrations roller 12 is located more than the material upper surface, vibrator 13 and foretell vibrations generator 8 all are as the vibrations generator of function end with pneumatics or ultrasonic wave mode, for existing equipment, therefore omit here and describe repeatedly, but also can adopt the structure that vibrates the motor and add the hammer, make under vibrator 13 effect, vibrations roller 12 longitudinal motion constantly strikes the material surface, play vibrations and arrange the yarn, reduce the silk bundle stack, it is more even to make exhibition yarn. And in the present embodiment, the number of the vibrator rollers 12 and the vibrator 13 is two.
As a further preferred embodiment, a first transition roller 14 and a second transition roller 15 are rotatably mounted on the second frame 2, the second transition roller 15 is positioned at the rear lower position of the first transition roller 14, the liquid outlet ends of the two casting heads 5 are respectively close to the periphery of the first transition roller 14 and the periphery of the second transition roller 15, and the material passes between one casting head 5 and the first transition roller 14 and then passes between the other casting head 5 and the second transition roller 15. Because the second transition roller 15 is located at the rear lower position of the first transition roller 14, the material is tightly wound around the periphery of the first transition roller 14 and then tightly wound around the periphery of the second transition roller 15, namely, the two transition rollers are respectively tightly adhered to the upper surface and the lower surface of the material, and the two casting heads 5 can respectively perform infiltration and yarn fixing treatment on the upper surface and the lower surface of the material. Further, still be equipped with infrared heating system (not shown in the figure) on the curtain coating head 5, specifically can be infrared heating pipe, the export section of curtain coating head 5 sets up smart volume control opening system, and specifically accessible servo realizes that the periphery of two transition rollers has the teflon coating. Further, the second frame 2 is further provided with two driving motors (not shown in the figure) which are respectively connected with the first transition roller 14 and the second transition roller 15 in a transmission manner, so as to realize a pulling effect. In addition, the casting head 5, the infrared heating system, the precise control opening system and the two driving motors are respectively and electrically connected with the controller, so that the purpose of automation is realized.
In a preferred embodiment, as shown in fig. 2 in particular, each strip set 6 comprises two rollers rotatably mounted on the third frame 3, a strip arranged outside the two rollers, and at least one roller is driven by a servo motor mounted on the third frame 3, the strips of the two strip sets 6 are turned in opposite directions to grip the material and move forward. Further, the number of the heating assemblies 7 is two groups, and the pair of vibration generators 8 is disposed between the two groups of heating assemblies 7, and in specific applications, the number of the heating assemblies 7 may also be multiple groups. In the present embodiment, the heating unit 7 is realized by electric or oil heating, but may be realized by various methods such as steam heating. Furthermore, on the upper and lower sides of the material, the heating assembly 7 and the vibration generator 8 are both arranged between two layers of steel belts formed on the steel belt group 6. Namely, a layer of steel belt far away from one side of the material and a layer of steel belt tightly attached to the material are formed on the steel belt group 6, and the heating component 7 and the vibration generator 8 are both arranged at the position close to the layer of steel belt tightly attached to the material and respectively play the roles of heating and vibrating. Under the combined action of vibration, heating and extrusion, the thermoplastic materials on the upper and lower surfaces of the material are fully soaked in the fibers
As a further preferred embodiment, as shown in fig. 2 in particular, the accommodating device 9 is a wind-up roll rotatably mounted at the foremost end of the third frame 3, and the wind-up roll is driven by a servo motor (not shown) fixed on the third frame 3 for collecting the processed material around the roll. However, the storage device 9 may be a storage box as it is, and is not limited to this. In addition, the servo motors together form a driving mechanism.
In a preferred embodiment, as shown in fig. 1 and 4, the feeding device 4 comprises a frame 23, a plurality of fiber rollers 24 rotatably mounted on the frame 23, the fiber rollers are formed by sleeving a damping shaft and a fiber barrel, and the material is a unidirectional fiber bundle, and each fiber roller 24 is wound with the unidirectional fiber bundle. Further, the pretreatment mechanism comprises a first roller set 16 and a second roller set 17, the first roller set 16 and the second roller set 17 are composed of a plurality of groove rollers, the peripheries of the groove rollers are uniformly provided with limit grooves which are circumferentially arranged, and the head ends of a plurality of unidirectional fiber bundles extend out of the fiber rollers 24 and are sequentially attached to the groove roller limit grooves of the first roller set 16 and the groove roller limit grooves of the second roller set 17. Each grooved roll longitudinal movement adjusts the yarn distance, replaces conventional fibre separation through the grooved roll and combs and can reduce the fibre friction, and the very big wearing and tearing of preventing the silk bundle are fluffed, and first roller set 16 and second roller set 17 design silk bundle position, and the fibre bundle produces certain tension through between first roller set 16 and the second roller set 17 for fibre preliminary arrangement, thereby realize the mesh of preliminary treatment. Further, as shown in fig. 4, both ends of the grooved rollers are rotatably mounted on the first frame 1, the first roller set 16 includes two sets of roller sets forming an obtuse angle with each other, after the two sets of roller sets form a certain angle, the fiber bundles on both sides are collected into sheets by the two roller sets and the second roller set 17, each roller set includes three grooved rollers parallel to each other, the second roller set 17 includes two grooved rollers parallel to each other, in practical application, the number and arrangement of the grooved rollers can be determined according to practical requirements, and is not limited thereto.
Correspondingly, when the material is the fiber cloth, the feeding device 4 comprises a frame 23 and a fiber cloth roller (not shown in the figure) rotatably arranged on the frame 23, the fiber cloth is wound on the periphery of the fiber cloth roller, the pretreatment mechanism comprises a first roller set 16 and a second roller set 17, the first roller set 16 and the second roller set 17 are both composed of a plurality of optical axes and are used for preparing thermoplastic prepreg cloth, and certain tension is generated between the first roller set 16 and the second roller set 17 to enable the fibers to be preliminarily arranged, so that the purpose of pretreatment is realized.
In a preferred embodiment, a cooling mechanism 18 is further disposed between two steel belts of each steel belt set 6, and the cooling mechanism 18 is located at the front side of the heating assembly 7 and the vibration generator 8 for cooling and solidifying the material to form a thermoplastic prepreg sheet, and specifically, an air cooling structure or the like may be used. Further, the rear end of the second frame 2 is also provided with a first tensioning roller 19 and a second tensioning roller 20 which are vertically arranged in a rotatable manner, and the horizontal height of the second tensioning roller 20 is lower than that of the second roller set 17, so that an angle is formed in the material pulling process, and a certain tension can be generated between the two tensioning rollers to primarily arrange the fibers. Furthermore, the rear end of the third frame 3 is provided with a traction roller set 21 and a guide plate for guiding the material to enter between the two steel belt sets 6 under the combined action. Further, a thickness gauge 22 is arranged between the two casting heads 5 and the traction roller group 21, and is electrically connected with a controller, feeds back information and a control system, and controls the running speed and the casting amount of the equipment so as to control the thickness of the material.
In the specific application of the invention, taking a plurality of unidirectional fiber bundles as an example, the fiber bundles are wound and collected on the periphery of a fiber roller 24, the extending ends of the fiber bundles are pretreated by a first roller group 16 and a second roller group 17 and then are preliminarily arranged into a sheet shape, the sheet shape is tensioned by two tensioning rollers and then enters a second rack 2, the sheet shape is sequentially heated by a hot air mechanism 10, the yarn is spread by a vibration yarn spreading mechanism, the upper surface of one casting head 5 and a first transition roller 14 is soaked and treated, the lower surface of the other casting head 5 and a second transition roller 15 is soaked and treated, then the sheet shape enters the space between the two steel band groups 6 through a traction roller group 21 and a guide plate, wherein the upper surface and the lower surface are sequentially heated by a heating component 7, the vibration generator 8 is vibrated, the upper surface and the lower surface of the other heating component 7 are reheated, the upper surface and the lower surface of. It should be noted that a common electrical control element such as a single chip or a control chip circuit board may also be disposed in the control box 11, which can conveniently implement the above functions and procedures according to the existing use method, and is simple and convenient. Specifically, the PLC controller employs DVP-24ES 2. In addition, the servo motor adopts an ASDA-B2 servo driver.
Therefore, the thermoplastic prepreg of the embodiment has high precision and high working efficiency, can impregnate the fiber woven cloth and various unidirectional fibers, and has stable and reliable structure and high automation degree. In addition, the first roller set 16 and the second roller set 17 are both composed of a plurality of grooved rollers, limiting grooves are formed in the peripheries of the grooved rollers, the limiting grooves are used for limiting the positions of tows, and due to rolling friction, the tows are greatly prevented from being worn and fluffed; the hot air mechanism 10 can soften the sizing agent on the surface of the fiber and make the yarn fluffy; the two groups of vibration yarn unfolding mechanisms enable the arrangement and yarn unfolding of the tows to be more uniform and fully unfold the yarns under the action of the vibration rollers 12; the casting head 5 is provided with an infrared heating system to stabilize the flowing liquid, and the casting head 5 is provided with a precise control opening and closing system to adjust the casting amount; a thickness gauge 22 is arranged between the casting head 5 and the traction roller set 21, and the casting quantity and the equipment running speed are controlled through signals to achieve the precise casting thickness; the vibration generator 8 breaks the molecular chain of the thermoplastic material by vibration to ensure that the molecular chain is thinned and further spread to ensure that the thermoplastic material is more uniform and fully soaked, the vibration and heating area heats and extrudes the thermoplastic material to ensure that the thermoplastic material on two sides is fully soaked in the fiber, and the thermoplastic material is cooled, shaped and solidified in the cooling area to form the thermoplastic prepreg sheet.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a fibre thermoplasticity curtain coating vibrations infiltration preimpregnation machine, is applied to and soaks fibre woven fabric and multiple one-way tow, its characterized in that includes:
the device comprises a first rack (1), a second rack (2) and a third rack (3) which are sequentially arranged from back to front;
the feeding device (4) is arranged at the rear side of the first rack (1) and accommodates materials;
the driving mechanism is arranged on the third rack (3) and used for driving the materials to move out of the feeding device (4) and move along a path from back to front;
the pretreatment mechanism is arranged on the first rack (1) and is used for pretreating materials;
the vibrating yarn spreading mechanism is arranged on the second rack (2), the lower end of the vibrating yarn spreading mechanism is abutted against the surface of the material, and the vibrating yarn spreading mechanism is used for performing yarn spreading treatment on the material;
the two casting heads (5) are arranged on the second rack (2) and are used for respectively carrying out primary infiltration and yarn fixing treatment on the upper surface and the lower surface of the material;
the two steel belt groups (6) are arranged on the third rack (3), are arranged on the upper side and the lower side of the material in a mirror symmetry mode, and extrude the upper surface and the lower surface of the material together to drive the material to move forwards;
at least one group of heating components (7) which are arranged in a vertical mirror image manner, are arranged on the third rack (3), are distributed on the upper surface and the lower surface of the material and heat the material;
the pair of vibration generators (8) are arranged on the upper side and the lower side of the material in a mirror symmetry manner and are arranged on the third rack (3);
the accommodating device (9) is arranged at the foremost end of the third rack (3) and is used for accommodating the processed materials;
the vibrating yarn spreading mechanism comprises vibrating rollers (12) and vibrators (13) which are equal in number and opposite in position, each vibrating roller (12) can be longitudinally movably arranged on the second rack (2) and is abutted against the surface of a material, and the functional end of each vibrator (13) is opposite to the peripheral position of one vibrating roller (12);
each steel belt group (6) comprises two rotary rollers which are rotatably arranged on the third rack (3) and a steel belt which is arranged outside the two rotary rollers, at least one rotary roller is driven by a servo motor which is arranged on the third rack (3) to operate, and the steel belts of the two steel belt groups (6) are reversely rotated and used for clamping materials to move forwards.
2. A fiber thermoplastic casting vibration infiltration preimpregnation machine according to claim 1, characterized in that a hot air mechanism (10) is arranged on the second frame (2), and an air outlet of the hot air mechanism (10) faces to the surface of the material.
3. A fibrous thermoplastic casting vibro-immersion prepreg according to claim 2, further comprising a control box (11), and said driving mechanism, casting head (5), and vibration generator (8) are electrically connected to said control box (11), respectively.
4. A fiber thermoplastic casting vibration infiltration preimpregnation machine according to claim 1, characterized in that a first transition roller (14) and a second transition roller (15) are rotatably installed on the second frame (2), the second transition roller (15) is positioned at the rear lower position of the first transition roller (14), the liquid outlet ends of the two casting heads (5) are respectively close to the periphery of the first transition roller (14) and the periphery of the second transition roller (15), and materials pass between one casting head (5) and the first transition roller (14) and then pass between the other casting head (5) and the second transition roller (15).
5. A machine for thermoplastic casting, vibrating and infiltrating fibers according to claim 1, wherein said containing device (9) is a wind-up roll rotatably mounted on the foremost end of said third frame (3), and said wind-up roll is driven by a servo motor fixed on said third frame (3) for collecting the treated material around the roll.
6. A casting-vibrating-infiltration pre-impregnator for thermoplastic fibres as claimed in claim 1 or 3, characterized in that said supply means (4) comprises a frame (23), a plurality of fibre rollers (24) rotatably mounted on said frame (23), and said material is unidirectional fibre bundles, each of said fibre rollers (24) being wound with unidirectional fibre bundles;
the pretreatment mechanism comprises a first roller set (16) and a second roller set (17), the first roller set (16) and the second roller set (17) are formed by a plurality of groove rollers, the periphery of each groove roller is uniformly provided with a limit groove which is circumferentially arranged, and the head ends of the unidirectional fiber bundles extend out of the fiber rollers (24) and are sequentially attached to the groove roller limit grooves of the first roller set (16) and the groove roller limit grooves of the second roller set (17).
7. A casting vibration soaking pre-dipping machine for fiber thermoplasticity, according to claim 1 or 3, characterized in that, the material supply device (4) comprises a frame (23), a fiber cloth roller which is rotatably arranged on the frame (23), the material is fiber cloth, and the fiber cloth is wound on the periphery of the fiber cloth roller;
the pretreatment mechanism comprises a first roller set (16) and a second roller set (17), and the first roller set (16) and the second roller set (17) are formed by a plurality of optical axes.
8. A fiber thermoplastic casting vibration infiltration preimpregnation machine according to claim 6, characterized in that a cooling mechanism (18) is arranged between two steel belts of each steel belt group (6), and the cooling mechanism (18) is positioned at the front side of the heating assembly (7) and the vibration generator (8) and is used for cooling and solidifying materials to form thermoplastic prepreg sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440927.7A CN109968691B (en) | 2017-12-27 | 2017-12-27 | Fiber thermoplastic casting vibration infiltration pre-dipping machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440927.7A CN109968691B (en) | 2017-12-27 | 2017-12-27 | Fiber thermoplastic casting vibration infiltration pre-dipping machine |
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| Publication Number | Publication Date |
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| CN109968691A CN109968691A (en) | 2019-07-05 |
| CN109968691B true CN109968691B (en) | 2020-12-08 |
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| TWI729521B (en) * | 2019-10-04 | 2021-06-01 | 財團法人塑膠工業技術發展中心 | An equipment and method for producing fiber reinforced composite with more stable yarn spreading and resin impregnating abilities |
| CN111284042A (en) * | 2020-02-20 | 2020-06-16 | 青岛中集创赢复合材料科技有限公司 | Production equipment and production process of fiber reinforced thermoplastic resin composite strip |
| CN111923446A (en) * | 2020-10-09 | 2020-11-13 | 山东国维复合材料科技有限公司 | Wide-width continuous fiber thermoplastic resin pre-impregnation equipment and production process thereof |
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