CN212446425U - Preparation device of composite fiber prefabricated material - Google Patents
Preparation device of composite fiber prefabricated material Download PDFInfo
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- CN212446425U CN212446425U CN202020781280.5U CN202020781280U CN212446425U CN 212446425 U CN212446425 U CN 212446425U CN 202020781280 U CN202020781280 U CN 202020781280U CN 212446425 U CN212446425 U CN 212446425U
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Abstract
The utility model provides a preparation facilities of prefabricated material of composite fiber, including the mixer, the extruder, roll the skin machine, first fibre cloth feed mechanism, second fibre cloth feed mechanism and roll-in mechanism, the prefabricated material of composite fiber includes the first fibre cloth that sets gradually from the top down, fibre layering material and second fibre cloth, fibre layering material is rolled the shaping by fibre leftover bits and pieces and resin mixture, fibre leftover bits and pieces distribute at random in fibre layering material, it is criss-cross, transversely arrange or vertically arrange the intensity of the prefabricated material of fibre of making higher for fibre among the prior art, and the utilization ratio of fibre leftover bits and pieces has been improved, reduce the waste of resource.
Description
Technical Field
The utility model belongs to fibre prefabricated material preparation field, concretely relates to preparation facilities of prefabricated material of composite fiber.
Background
The prepreg is a composition of a resin matrix and a reinforcement prepared by impregnating fibers or fabrics with the resin matrix under certain process conditions. The prepreg generally has a light weight characteristic, and can be widely used in the industrial technical field. With the rapid development of the automobile industry, the requirements of materials are higher and higher. The existing glass fiber and Polypropylene (PP) resin prepreg has the characteristic of light weight, and is suitable for the requirement of light weight of automotive interior parts. However, the prepreg has low strength and cannot be well applied to the manufacture of vehicle interior parts, and during the preparation of the prepreg, because fiber length cutting generates a plurality of fiber leftovers, the prepreg cannot be continuously used due to uneven length, so that resource waste is caused to a certain extent, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of prior art, providing a preparation facilities of composite fiber prefabricated material.
The utility model adopts the following technical scheme:
a preparation device of a composite fiber prefabricated material comprises a stirrer, an extruder, a wrapper rolling machine, a first fiber cloth feeding mechanism, a second fiber cloth feeding mechanism and a rolling mechanism, wherein the composite fiber prefabricated material comprises a first fiber cloth, a fiber layer material and a second fiber cloth which are sequentially arranged from top to bottom,
the stirrer is used for stirring and mixing the fiber leftovers and the resin;
the extruder is connected with the stirrer and extrudes the fiber leftovers which are uniformly stirred and mixed with the resin into fiber strip-shaped materials;
the wrapper rolling machine is connected with the extruder and is used for rolling received fiber strip-shaped materials into fiber layered materials, and the wrapper rolling machine comprises a shell, an upper rolling roller and a lower rolling roller which are rotatably arranged in the shell and are oppositely arranged up and down, and a guide disc which is arranged at the front end of the shell and can be connected with an outlet of the extruder, wherein a rolling channel for the fiber strip-shaped materials to pass through is formed between the two rolling rollers, and the rear end of the guide disc is communicated with the rolling channel so as to guide the fiber strip-shaped materials to enter the rolling channel to form the fiber layered materials;
the first fiber cloth feeding mechanism is arranged at the rear end of the wrapper rolling machine, is positioned above the fiber layered material and comprises a first cloth roller for rolling and storing first fiber cloth and a first glue dipping tank arranged below the first cloth roller and used for soaking the first fiber cloth;
the second fiber cloth feeding mechanism and the first fiber cloth feeding mechanism are arranged oppositely up and down and positioned below the fiber layered material, and the second fiber cloth feeding mechanism comprises a second cloth roller for rolling and storing second fiber cloth and a second impregnation tank arranged below the second cloth roller and used for soaking the second fiber cloth;
the rolling mechanism comprises two cloth pressing rollers which are oppositely arranged up and down, and a rolling channel is formed between the two cloth pressing rollers, so that the fiber layered material, the first fiber cloth and the second fiber cloth are compounded to form the composite fiber prefabricated material.
Further, roll the skin machine and be provided with a plurality ofly, a plurality of skin machine interval arrangements and a plurality of wide footpaths of rolling flat passageway reduce along the trend of fibre strip material gradually.
Further, still including setting up the barrier film composite structure at first fiber cloth batcher rear end, the compound fibre preform still includes the barrier film of compound at first fiber cloth top surface.
Furthermore, the isolating membrane compounding mechanism comprises a membrane roller for rolling and storing the isolating membrane and two membrane pressing rollers which are arranged up and down relative to the fiber layer material, and a membrane pressing channel is formed between the two membrane pressing rollers, so that a layer of isolating membrane is compounded on the top surface of the composite fiber prefabricated material passing through the membrane pressing channel.
Further, the device also comprises a rolling and storing mechanism which is arranged at the rear end of the first fiber cloth feeding mechanism and used for rolling and storing the composite fiber prefabricated material.
Further, it stores up the mechanism and includes the base, the rotatable roll that sets up in the base stores up the roller and sets up and connect and drive on the base and store up the rotatory roll of roller and store up the motor.
Further, still including setting up and guiding composite fiber preform in the rear end of rolling mechanism and carry to rolling up and storing up the mechanism, including two base plates that relative composite fiber preform set up from top to bottom and rotatable setting on the base plate with many guide rolls that the composite fiber preform is relative.
Further, roll the skin machine and still roll the plain-barreled roll and roll plain-barreled roll pivoted driving piece down including setting up on the casing drive, the driving piece is connected and is driven on the casing and roll plain-barreled roll pivoted driving motor, set up at the driving gear of rolling the plain-barreled roll axle head and set up and roll plain-barreled roll axle head and driving gear meshed driven gear under.
Further, the cross section of the extrusion port of the extruder is circular.
Furthermore, a guide channel for guiding the fiber strip-shaped material to enter the rolling channel is formed in the guide disc, and the guide channel is gradually reduced along the trend of the fiber strip-shaped material.
It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the composite fiber prefabricated material comprises a first fiber cloth, a fiber layer material and a second fiber cloth which are sequentially arranged from top to bottom, wherein the fiber layer material is formed by mixing fiber leftovers and resin and rolling the mixture, the fiber leftovers are randomly distributed and criss-cross in the fiber layer material, the strength of the composite fiber prefabricated material is higher compared with that of the fiber prefabricated material prepared by transversely or longitudinally arranging fibers in the prior art, the utilization rate of the fiber leftovers is improved, the resource waste is reduced, and meanwhile, the strength of the composite fiber prefabricated material can be further enhanced by the first fiber cloth and the second fiber cloth so as to meet more production requirements;
the width diameters of a plurality of rolling channels are gradually reduced along the trend of the fiber strip-shaped materials, so that the fiber strip-shaped materials can be rolled to be required thickness;
the isolating membrane is compounded on the top surface of the first fiber cloth, so that when the composite fiber prefabricated material can be coiled and stored, two layers of composite fiber prefabricated materials which are overlapped up and down cannot be influenced mutually;
the guide channel is gradually reduced along the direction of the fiber strip-shaped material, and the diameter of the front end of the guide channel is larger, so that the fiber strip-shaped material coming out of an extruder or coming out of a previous wrapper rolling machine can be conveniently received; the diameter of the rear end of the guide channel is smaller, so that the direction of the fiber strip-shaped material can be aligned, and the fiber strip-shaped material can be ensured to stably enter a rolling channel of a next wrapper rolling machine to be rolled to be required thickness;
the utility model has the advantages of simple overall structure, through mutually supporting between each mechanism, can carry out rational utilization to the fibre leftover bits and pieces, obtain the high composite fiber prefabricated material of intensity to reduce the waste of resource.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a third schematic structural view of the present invention;
fig. 4 is a schematic structural view of a wrapper rolling machine;
FIG. 5 is a cross-sectional view of the structure of a reduction fiber preform;
FIG. 6 is a schematic structural view of a guide plate;
in the figure, 1-stirrer, 2-extruder, 3-rolling machine, 4-first fiber cloth feeding mechanism, 5-second fiber cloth feeding mechanism, 6-rolling mechanism, 7-isolating film compounding mechanism, 8-rolling storage mechanism, 9-guiding mechanism, 0-composite fiber prefabricated material, 31-shell, 32-upper rolling roller, 33-lower rolling roller, 34-guiding disk, 341-guiding channel, 35-driving piece, 351-driving motor, 36-rolling channel, 41-first cloth roller, 42-first glue dipping tank, 43-first guiding roller, 44-first guiding rod, 51-second cloth roller, 52-second glue dipping tank, 53-second guiding roller, 54-second guiding rod, 61-cloth pressing roller, 71-film roller, 72-film pressing roller, 81-base, 82-winding and storing roller, 83-winding and storing motor, 91-first guide mechanism, 911-first base plate, 912-first guide roller, 92-second guide mechanism, 921-second base plate, 922-second guide roller, 01-isolating film, 02-first fiber cloth, 03-fiber layered material and 04-second fiber cloth.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 6, a device for preparing a composite fiber preform includes a mixer 1, an extruder 2, a skin rolling machine 3, a first fiber cloth feeding mechanism 4, a second fiber cloth feeding mechanism 5, a rolling mechanism 6, a film pressing mechanism 7, a winding and storing mechanism 8, and a guiding mechanism 9.
The composite fiber preform 0 comprises a separation film 01, a first fiber cloth 02, a fiber layer material 03 and a second fiber cloth 04 which are sequentially compounded from top to bottom.
Mixer 1 is used for stirring mixed fibre leftover bits and pieces and resin, and the resin is thermosetting resin, and is specific, and mixer 1 is the equipment of common use in the material stirring field, and here does not do further elaboration to its specific structure, and thermosetting resin is the product of selling on the market.
The wrapper rolling machine 3 is connected with the extruder 2, and rolls the received fiber strip-shaped material into a fiber layer-shaped material, and comprises a shell 31, an upper rolling roller 32, a lower rolling roller 33, a guide disc 34 and a driving piece 35, wherein the upper rolling roller 32 and the lower rolling roller 33 are rotatably arranged in the shell 31 and are oppositely arranged up and down, the guide disc 34 is connected to the front end of the shell 31, the driving piece 35 is arranged on the shell 31 and drives the upper rolling roller 32 and the lower rolling roller 33 to rotate, and a rolling channel 36 for the fiber strip-shaped material to pass through is formed between the upper rolling roller 32 and the lower rolling roller 33; the rear end of the guide disc 34 is connected with a rolling channel 36, fiber strip materials are guided to enter the rolling channel 36 to form fiber layer materials, the guide disc of the first wrapper rolling machine 3 is connected with the outlet of the extruder 2, the guide disc 34 of the later wrapper rolling machine 3 is connected with the outlet of the rolling channel 36 of the previous wrapper rolling machine 3, and the fiber strip materials are guided to enter the rolling channel 36 of the next wrapper rolling machine 3; specifically, roll skin machine 3 and be provided with a plurality ofly, a plurality of skin machines 3 of rolling are arranged in proper order and a plurality of wide footpaths of rolling flat passageway 36 reduce along the trend of fibre strip material gradually to make fibre strip material rolled into required thickness.
The guide disc 34 is provided with a guide channel 341 for guiding the fiber strip material to enter the rolling channel 36, the guide channel 341 gradually decreases along the direction of the fiber strip material, the diameter of the front end of the guide channel 341 is larger, so that the fiber strip material coming out from the outlet of the extruder 2 or coming out from the previous rolling machine 3 can be conveniently received, the diameter of the rear end of the guide channel 341 is smaller, the direction of the fiber strip material can be aligned, and the fiber strip material can be ensured to stably enter the rolling channel 36 of the next rolling machine 3 to be rolled to the required thickness.
The driving piece 35 includes that the setting is connected and is driven on the casing 31 and roll the smooth roller 32 pivoted driving motor 351, set up and roll the driving gear of smooth roller 32 axle head and set up and roll smooth roller axle head 33 and driving gear engaged's driven gear under, through driving motor 351, driving gear and driven gear's cooperation, drive and roll smooth roller 32 and roll smooth roller 33 rotation down to make the strip material of fibre be rolled into required thickness.
The first fiber cloth feeding mechanism 4 is arranged at the rear end of the wrapper rolling machine 3, is located above the fiber layer material, and comprises a first cloth roller 41 for winding and storing the first fiber cloth 02 and a first glue dipping tank 42 arranged below the first cloth roller 41 and used for soaking the first fiber cloth 02, specifically, a first guide roller 43 for guiding the first fiber cloth 02 to enter the first glue dipping tank 42 and a first guide rod 44 arranged at an outlet of the first glue dipping tank 42 and used for guiding the first fiber cloth 02 to leave the first glue dipping tank 42 are arranged in the first glue dipping tank 42, the first fiber cloth 02 enters the first glue dipping tank 42 and bypasses the lower end of the first guide roller 43 for soaking, then bypasses the upper end of the first guide rod 44 and leaves the first glue dipping tank 42, and further, an opening of the first glue dipping tank 42 is opposite to the wrapper rolling machine 3.
The second fiber cloth feeding mechanism 5 is arranged at the rear end of the wrapper rolling machine 3, is located below the fiber layer material, and comprises a second cloth roller 51 in which the second fiber cloth 04 is stored in a rolling manner and a second glue dipping tank 52 arranged below the second cloth roller 51 and used for wetting the second fiber cloth 04, specifically, a second guide roller 53 for guiding the second fiber cloth 04 to enter the second glue dipping tank 52 and a second guide rod 54 arranged at an outlet of the second glue dipping tank 52 and used for guiding the second fiber cloth 04 to leave the second glue dipping tank 52 are arranged in the second glue dipping tank 52, the second fiber cloth 04 enters the second glue dipping tank 52 and bypasses the lower end of the second guide roller 53 for wetting, and then bypasses the upper end of the second guide rod 54 to leave the second glue dipping tank 52, and further, an opening of the second glue dipping tank 52 is opposite to the wrapper rolling machine 3.
The rolling mechanism 6 is arranged between the wrapper rolling machine 3 and the first fiber cloth feeding mechanism 4 and comprises two cloth pressing rollers 61 arranged up and down relative to the fiber layered material and a driving component for driving the two cloth pressing rollers to rotate, and a rolling channel is formed between the two cloth pressing rollers 61 so that the fiber layered material 03, the first fiber cloth 02 and the second fiber cloth 04 passing through at the same time are compounded to form a composite fiber prefabricated material semi-finished product; the driving assembly comprises a motor and a driving part, the motor is connected with one of the cloth pressing rollers 61, the driving part is connected between the two cloth pressing rollers 62, so that the motor can drive the two cloth pressing rollers to rotate, the first fiber cloth 02, the fiber strip-shaped material 03 and the second fiber cloth 04 are compounded, the driving assembly and the driving part are common parts in the mechanical field, and further description on the specific structure and the connection relation of the driving assembly is omitted.
The isolating film compounding mechanism 7 is arranged at the rear end of the first fiber cloth feeding mechanism 4 and comprises a film roller 71 for winding and storing an isolating film, two film pressing rollers 72 arranged up and down relative to the fiber layer material and a driving mechanism for driving the two film pressing rollers 72 to rotate, a film pressing channel is formed between the two film pressing rollers 72, so that the top surface of the first fiber cloth 02 is compounded with a layer of isolating film 01, and the isolating film 01 can ensure that when the composite fiber prefabricated material 0 is rolled and stored, the two layers of composite fiber prefabricated materials 0 which are overlapped up and down cannot influence each other, specifically, the driving mechanism comprises a film pressing motor and a transmission assembly, the film pressing motor is connected with one film pressing roller 72, the transmission assembly is connected between the two film pressing rollers 72, two film pressing rollers 72 are driven by a film pressing motor to rotate so that the isolating film 01 is compounded on the top surface of the first fiber cloth 02, and a driving mechanism and a transmission assembly are common parts in the mechanical field, so that the specific structure and the connection relation of the driving mechanism and the transmission assembly are not further described.
The winding and storing mechanism 8 is arranged at the rear end of the film pressing mechanism 7 and used for winding and storing the composite fiber prefabricated material 0, and comprises a base 81, a winding and storing roller 82 which is rotatably arranged in the base 81 and a winding and storing motor 83 which is arranged on the base 81 and connected with and drives the winding and storing roller 82 to rotate.
The guide mechanism 9 comprises a first guide mechanism 91 and a second guide mechanism 92, wherein the first guide mechanism 91 is arranged between the rolling mechanism 6 and the isolating film compounding mechanism 7 and used for guiding the composite fiber prefabricated material semi-finished product to enter the isolating film compounding mechanism 7, and comprises two first base plates 911 arranged up and down relative to the composite fiber prefabricated material and a plurality of first guide rollers 912 which are rotatably arranged on the first base plates 911 and are opposite to the composite fiber prefabricated material.
The second guide mechanism 92 is arranged between the isolating film compounding mechanism 7 and the winding and storing mechanism 8, guides the composite fiber prefabricated material to be conveyed to the winding and storing mechanism 8 to be wound and stored, and comprises two second base plates 921 which are arranged up and down relative to the composite fiber prefabricated material and a plurality of second guide rollers 922 which are arranged on the second base plates 921 in a rotatable mode and are opposite to the composite fiber prefabricated material.
The composite fiber prefabricated material 0 comprises an isolating membrane 01, a first fiber cloth 02, a fiber layer material 03 and a second fiber cloth 04 which are sequentially arranged from top to bottom, wherein the fiber layer material 03 is formed by mixing and rolling fiber leftovers and resin, the fiber leftovers are randomly distributed and criss-cross in the fiber layer material, the strength of the composite fiber prefabricated material is higher compared with that of the fiber prefabricated material prepared by transversely or longitudinally arranging fibers in the prior art, the utilization rate of the fiber leftovers is improved, the waste of resources is reduced, and meanwhile, the strength of the composite fiber prefabricated material can be further enhanced by the first fiber cloth 02 and the second fiber cloth 04 so as to meet more production requirements; and the prepared composite fiber prefabricated material is stored into a roll, and when the composite fiber prefabricated material is used, the composite fiber prefabricated material can be cut and/or compounded according to production requirements so as to obtain the required prepreg fiber cloth, and more production requirements can be met.
A preparation method of a composite fiber preform comprises the following steps:
step one, collecting fiber leftovers and sending the fiber leftovers into a stirrer 1, and mixing the materials: adding the resin according to the proportion of 10:3-4, and uniformly mixing;
secondly, feeding the uniformly mixed materials into an extruder 2, and extruding the materials into cylindrical fiber strip-shaped materials;
step three, the fiber strip-shaped material is guided by the guide disc 34 to enter the rolling machine 3, and the driving motor 351 drives the upper rolling roller 32 and the lower rolling roller 33 to rotate so as to roll the fiber strip-shaped material into a fiber layer-shaped material with the required thickness;
guiding the fiber layer material to enter a rolling mechanism 6, and compounding the fiber layer material with the first fiber cloth 02 after gum dipping and the second fiber cloth 04 after gum dipping under the action of a cloth pressing roller 61 to form a semi-finished product of the composite fiber prefabricated material, wherein the pressure of the cloth pressing roller is 8-12 MPa;
and step five, guiding the composite fiber prefabricated material semi-finished product to enter an isolating membrane compounding mechanism 7, compounding a layer of isolating membrane 01 on the surface of the first fiber cloth 02 through a film pressing roller 72 to prepare a composite fiber prefabricated material 0, and then coiling and storing the composite fiber prefabricated material 0 into a coil for later use through a coiling and storing mechanism 8.
Example 1
A preparation method of a composite fiber preform comprises the following steps:
step one, collecting fiber leftovers and sending the fiber leftovers into a stirrer 1, and mixing the materials: adding the resin in a ratio of 10:4, and uniformly mixing;
secondly, feeding the uniformly mixed materials into an extruder 2, and extruding the materials into cylindrical fiber strip-shaped materials;
step three, the fiber strip-shaped material is guided by the guide disc 34 to enter the rolling machine 3, and the driving motor 351 drives the upper rolling roller 32 and the lower rolling roller 33 to rotate so as to roll the fiber strip-shaped material into a fiber layer-shaped material with the required thickness;
guiding the fiber layer material to enter a rolling mechanism 6, and compounding the fiber layer material with the first fiber cloth 02 after gum dipping and the second fiber cloth 04 after gum dipping under the action of a cloth pressing roller 61 to form a semi-finished product of the composite fiber prefabricated material, wherein the pressure of the cloth pressing roller is 12 MPa;
and step five, guiding the composite fiber prefabricated material semi-finished product to enter an isolating membrane compounding mechanism 7, compounding a layer of isolating membrane 01 on the surface of the first fiber cloth 02 through a film pressing roller 72 to prepare a composite fiber prefabricated material 0, and then coiling and storing the composite fiber prefabricated material 0 into a coil for later use through a coiling and storing mechanism 8.
The composite fiber preform prepared by the method is tested to obtain the following data:
interlaminar shear strength: 15 MPa;
bending strength: 186 MPa;
density: 1.16g/cm-3；
The composite fiber preform in the prior art is tested to obtain the following data:
interlaminar shear strength: 7 MPa;
bending strength: 135 MPa;
density: 1.33g/cm-3；
According to the data, the fiber leftovers are randomly distributed and longitudinally and transversely crossed in the fiber layered material, the strength of the fiber prefabricated material manufactured by transversely arranging or longitudinally arranging the fibers in the prior art is higher, the utilization rate of the fiber leftovers is improved, the waste of resources is reduced, and meanwhile, the strength of the composite fiber prefabricated material can be further enhanced by the first fiber cloth 02 and the second fiber cloth 04 so as to meet more production requirements.
Example 2
A preparation method of a composite fiber preform comprises the following steps:
step one, collecting fiber leftovers and sending the fiber leftovers into a stirrer 1, and mixing the materials: adding the resin according to the proportion of 10:3, and uniformly mixing;
secondly, feeding the uniformly mixed materials into an extruder 2, and extruding the materials into cylindrical fiber strip-shaped materials;
step three, the fiber strip-shaped material is guided by the guide disc 34 to enter the rolling machine 3, and the driving motor 351 drives the upper rolling roller 32 and the lower rolling roller 33 to rotate so as to roll the fiber strip-shaped material into a fiber layer-shaped material with the required thickness;
guiding the fiber layer material to enter a rolling mechanism 6, and compounding the fiber layer material with the first fiber cloth 02 after gum dipping and the second fiber cloth 04 after gum dipping under the action of a cloth pressing roller 61 to form a semi-finished product of the composite fiber prefabricated material, wherein the pressure of the cloth pressing roller is 8 MPa;
and step five, guiding the composite fiber prefabricated material semi-finished product to enter an isolating membrane compounding mechanism 7, compounding a layer of isolating membrane 01 on the surface of the first fiber cloth 02 through a film pressing roller 72 to prepare a composite fiber prefabricated material 0, and then coiling and storing the composite fiber prefabricated material 0 into a coil for later use through a coiling and storing mechanism 8.
The composite fiber preform prepared by the method is tested to obtain the following data:
interlaminar shear strength: 14 MPa;
bending strength: 182 MPa;
density: 1.17g/cm-3；
The composite fiber preform in the prior art is tested to obtain the following data:
interlaminar shear strength: 7 MPa;
bending strength: 135 MPa;
density: 1.33g/cm-3；
According to the data, the fiber leftovers are randomly distributed and longitudinally and transversely crossed in the fiber layered material, the strength of the fiber prefabricated material manufactured by transversely arranging or longitudinally arranging the fibers in the prior art is higher, the utilization rate of the fiber leftovers is improved, the waste of resources is reduced, and meanwhile, the strength of the composite fiber prefabricated material can be further enhanced by the first fiber cloth 02 and the second fiber cloth 04 so as to meet more production requirements.
Example 3
A preparation method of a composite fiber preform comprises the following steps:
step one, collecting fiber leftovers and sending the fiber leftovers into a stirrer 1, and mixing the materials: adding the resin according to the proportion of 10:3.6, and uniformly mixing;
secondly, feeding the uniformly mixed materials into an extruder 2, and extruding the materials into cylindrical fiber strip-shaped materials;
step three, the fiber strip-shaped material is guided by the guide disc 34 to enter the rolling machine 3, and the driving motor 351 drives the upper rolling roller 32 and the lower rolling roller 33 to rotate so as to roll the fiber strip-shaped material into a fiber layer-shaped material with the required thickness;
guiding the fiber layer material to enter a rolling mechanism 6, and compounding the fiber layer material with the first fiber cloth 02 after gum dipping and the second fiber cloth 04 after gum dipping under the action of a cloth pressing roller 61 to form a semi-finished product of the composite fiber prefabricated material, wherein the pressure of the cloth pressing roller is 10 MPa;
and step five, guiding the composite fiber prefabricated material semi-finished product to enter an isolating membrane compounding mechanism 7, compounding a layer of isolating membrane 01 on the surface of the first fiber cloth 02 through a film pressing roller 72 to prepare a composite fiber prefabricated material 0, and then coiling and storing the composite fiber prefabricated material 0 into a coil for later use through a coiling and storing mechanism 8.
The composite fiber preform prepared by the method is tested to obtain the following data:
interlaminar shear strength: 17 MPa;
bending strength: 192 MPa;
density: 1.13g/cm-3；
The composite fiber preform in the prior art is tested to obtain the following data:
interlaminar shear strength: 7 MPa;
bending strength: 135 MPa;
density: 1.33g/cm-3；
According to the data, the fiber leftovers are randomly distributed and longitudinally and transversely crossed in the fiber layered material, the strength of the fiber prefabricated material manufactured by transversely arranging or longitudinally arranging the fibers in the prior art is higher, the utilization rate of the fiber leftovers is improved, the waste of resources is reduced, and meanwhile, the strength of the composite fiber prefabricated material can be further enhanced by the first fiber cloth 02 and the second fiber cloth 04 so as to meet more production requirements.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (10)
1. The utility model provides a preparation facilities of composite fiber prefabricated material which characterized in that: comprises a stirrer, an extruder, a wrapper rolling machine, a first fiber cloth feeding mechanism, a second fiber cloth feeding mechanism and a rolling mechanism, wherein the composite fiber prefabricated material comprises a first fiber cloth, a fiber layer material and a second fiber cloth which are sequentially arranged from top to bottom,
the stirrer is used for stirring and mixing the fiber leftovers and the resin;
the extruder is connected with the stirrer and extrudes the fiber leftovers which are uniformly stirred and mixed with the resin into fiber strip-shaped materials;
the wrapper rolling machine is connected with the extruder and is used for rolling received fiber strip-shaped materials into fiber layered materials, and the wrapper rolling machine comprises a shell, an upper rolling roller and a lower rolling roller which are rotatably arranged in the shell and are oppositely arranged up and down, and a guide disc which is arranged at the front end of the shell and can be connected with an outlet of the extruder, wherein a rolling channel for the fiber strip-shaped materials to pass through is formed between the two rolling rollers, and the rear end of the guide disc is communicated with the rolling channel so as to guide the fiber strip-shaped materials to enter the rolling channel to form the fiber layered materials;
the first fiber cloth feeding mechanism is arranged at the rear end of the wrapper rolling machine, is positioned above the fiber layered material and comprises a first cloth roller for rolling and storing first fiber cloth and a first glue dipping tank arranged below the first cloth roller and used for soaking the first fiber cloth;
the second fiber cloth feeding mechanism and the first fiber cloth feeding mechanism are arranged oppositely up and down and positioned below the fiber layered material, and the second fiber cloth feeding mechanism comprises a second cloth roller for rolling and storing second fiber cloth and a second impregnation tank arranged below the second cloth roller and used for soaking the second fiber cloth;
the rolling mechanism comprises two cloth pressing rollers which are oppositely arranged up and down, and a rolling channel is formed between the two cloth pressing rollers, so that the fiber layered material, the first fiber cloth and the second fiber cloth are compounded to form the composite fiber prefabricated material.
2. The apparatus for preparing a preform of composite fibers according to claim 1, wherein: roll the skin machine and be provided with a plurality ofly, roll skin machine interval arrangement and a plurality of wide footpath of rolling flat passageway and reduce along the trend of fibre strip material gradually.
3. The apparatus for preparing a composite fiber preform according to claim 1 or 2, wherein: the composite fiber cloth feeding machine is characterized by further comprising an isolation film compounding mechanism arranged at the rear end of the first fiber cloth feeding machine, and the composite fiber prefabricated material further comprises an isolation film compounded on the top surface of the first fiber cloth.
4. The apparatus for preparing a preform of composite fiber according to claim 3, wherein: the isolating membrane compounding mechanism comprises a membrane roller for rolling and storing the isolating membrane and two membrane pressing rollers which are arranged up and down relative to the fiber layer material, and a membrane pressing channel is formed between the two membrane pressing rollers so that the top surface of the composite fiber prefabricated material passing through the membrane pressing channel is compounded with a layer of isolating membrane.
5. The apparatus for preparing a composite fiber preform according to claim 1 or 2, wherein: the device also comprises a winding and storing mechanism which is arranged at the rear end of the first fiber cloth feeding mechanism and used for winding and storing the composite fiber prefabricated material.
6. The apparatus for preparing a preform of composite fibers according to claim 5, wherein: the winding and storing mechanism comprises a base, a winding and storing roller which is rotatably arranged in the base and a winding and storing motor which is arranged on the base and connected with the base and drives the winding and storing roller to rotate.
7. The apparatus for preparing a preform of composite fibers according to claim 5, wherein: the device also comprises a rolling mechanism arranged at the rear end of the rolling mechanism for guiding the composite fiber prefabricated material to be conveyed to the rolling and storing mechanism, and the rolling mechanism comprises two substrates which are arranged up and down relative to the composite fiber prefabricated material and a plurality of guide rollers which are rotatably arranged on the substrates and are opposite to the composite fiber prefabricated material.
8. The apparatus for preparing a composite fiber preform according to claim 1 or 2, wherein: roll the skin machine and still roll the plain-barreled roll and roll plain-barreled roll pivoted driving piece down including setting up on the casing drive, the driving piece is connected and is driven and roll plain-barreled roll pivoted driving motor, set up at the driving gear of rolling the plain-barreled roll axle head and set up and roll plain-barreled roll axle head and driving gear meshed driven gear down including setting up on the casing.
9. The apparatus for preparing a composite fiber preform according to claim 1 or 2, wherein: the cross section of the extrusion outlet of the extruder is circular.
10. The apparatus for preparing a composite fiber preform according to claim 1 or 2, wherein: a guide channel for guiding the fiber strip-shaped materials to enter the rolling channel is formed in the guide disc, and the guide channel gradually decreases along the trend of the fiber strip-shaped materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020781280.5U CN212446425U (en) | 2020-05-12 | 2020-05-12 | Preparation device of composite fiber prefabricated material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020781280.5U CN212446425U (en) | 2020-05-12 | 2020-05-12 | Preparation device of composite fiber prefabricated material |
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| Publication Number | Publication Date |
|---|---|
| CN212446425U true CN212446425U (en) | 2021-02-02 |
Family
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