CN115534362A - Method for manufacturing nylon fiber composite material - Google Patents
Method for manufacturing nylon fiber composite material Download PDFInfo
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- CN115534362A CN115534362A CN202211376473.2A CN202211376473A CN115534362A CN 115534362 A CN115534362 A CN 115534362A CN 202211376473 A CN202211376473 A CN 202211376473A CN 115534362 A CN115534362 A CN 115534362A
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- cords
- transverse
- composite material
- trunking
- fiber composite
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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
- B29C70/541—Positioning reinforcements in a mould, e.g. using clamping means for the reinforcement
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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
- B29C70/543—Fixing the position or configuration of fibrous reinforcements before or during moulding
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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
- B29C70/56—Tensioning reinforcements before or during shaping
Abstract
A method for manufacturing a nylon fiber composite material belongs to the technical field of composite material preparation. Solves the problems of insufficient gum dipping, unstable forming, easy cloth distortion and deformation and difficult change of the linear density between cord fabrics in the forming process of the existing woven fiber reinforced composite material. The manufacturing method comprises the steps of shearing rubber materials into pieces, paving the rubber materials in a lower die, then placing cord threads into transverse wire grooves of the lower die, hanging weights at two ends of each cord thread, placing the cord threads into longitudinal wire grooves of the lower die, weaving the cord threads and the cord threads in the transverse wire grooves into a net-shaped structure in an up-and-down penetrating mode, hanging weights at two ends of each cord thread in the horizontal direction after weaving is finished, shearing the rubber materials into pieces, paving the rubber materials on the net-shaped structure, covering an upper die, and finally placing the die in a vulcanizing machine for vulcanizing to obtain the nylon fiber composite material. The method has the advantages of good flexibility and stability, and the prepared composite material has good uniformity, and the superposed part of the fibers is not easy to lack glue.
Description
Technical Field
The invention belongs to the technical field of composite material preparation, and particularly relates to a method for manufacturing a nylon fiber composite material.
Background
Fiber Reinforced composite materials (Fiber Reinforced Polymer, or Fiber Reinforced Plastic, FRP for short) are composite materials formed by winding, molding or pultrusion of Reinforced Fiber materials, such as glass Fiber, carbon Fiber, aramid Fiber, and the like, and matrix materials. The composite material has the excellent effects of high specific strength, large specific modulus, designability of material performance, good corrosion resistance and durability and the like, and is more and more widely applied to the fields of various civil buildings, bridges, roads, oceans, hydraulic structures, underground structures and the like.
The problems of insufficient gum dipping, unstable forming, easy cloth distortion and difficult change of cord density between cord fabrics exist in the forming process of the existing woven fiber reinforced composite material, the prepared composite material has poor uniformity, and the overlapping part of fibers has no gum.
Disclosure of Invention
The present invention provides a method for manufacturing a nylon fiber composite material to solve the above technical problems.
The technical scheme adopted by the invention for realizing the aim is as follows.
The method for manufacturing the nylon fiber composite material comprises the following steps:
firstly, shearing a rubber material, and paving the rubber material in a groove of a lower die, wherein the thickness of the rubber material is 0.3-0.4cm;
step two, taking cords and placing the cords into a transverse wire groove of a lower die, hanging weights after two ends of each cord are respectively fixed on a protruding piece of the die, taking the cords and placing the cords into a longitudinal wire groove of the lower die, weaving the cords and the cords in the transverse wire groove into a net structure in a vertically penetrating mode, and hanging the weights after two ends of each cord in the longitudinal wire groove are respectively fixed on the protruding piece of the die; the vertical distance of the cord in the two adjacent transverse trunking is equal, the vertical distance of the cord in the two adjacent longitudinal trunking is equal, and the vertical distance of the cord in the two adjacent transverse trunking is equal to the vertical distance of the cord in the two adjacent longitudinal trunking;
thirdly, shearing the rubber material, paving the rubber material on the net structure with the thickness of 0.3-0.4cm, and covering the mould;
putting the mold into a vulcanizing machine, and vulcanizing for 45 minutes at 145 ℃ to obtain the nylon fiber composite material;
the die comprises an upper die, a lower die and a plurality of fixing frames; the upper die can be arranged above the lower die in an opening and closing manner; the upper end face of the lower die is provided with a plurality of transverse wire grooves and a plurality of longitudinal wire grooves for placing cords, the depth of each transverse wire groove is the same as that of each longitudinal wire groove, and the distance between every two adjacent transverse wire grooves is the same as that between every two adjacent longitudinal wire grooves; the upper end surface of the lower die is provided with a groove, and the depth of the groove is greater than that of the transverse wire groove; the periphery of the lower die is fixed with a fixing frame; the fixed frame is provided with a convex part for fixing the end part of the cord thread.
Further, the addition amount of the sizing material in the first step is the same as that of the sizing material in the third step.
Further, in the second step, the number of the cords in the transverse trunking is the same as that of the cords in the longitudinal trunking, and the number of the cords is 10 to 30.
Further, the vertical distance of the cords in the two adjacent transverse trunking is 1-5 times the width of the transverse trunking.
Further, the material of the cord is nylon 66.
Further, the cords in the transverse trunking and the cords in the longitudinal trunking are perpendicular.
Furthermore, cords in the longitudinal wire grooves are symmetrical left and right relative to a longitudinal central axis, an included angle of 120 degrees is formed between the cords in the longitudinal wire groove on the left side and the cords in the transverse wire groove, an included angle of 60 degrees is formed between the cords in the longitudinal wire groove on the right side and the cords in the transverse wire groove, and the crossed positions of the cords in the longitudinal wire groove on the left side and the cords in the longitudinal wire groove on the right side are woven in a vertically-penetrating mode.
Furthermore, the lower die is provided with a plurality of positioning columns, and the upper die is provided with a plurality of positioning holes matched with the positioning columns; furthermore, at least two corners of the lower die are provided with positioning columns; furthermore, the positioning column is of a conical structure.
Furthermore, the lower die and the upper die are both of a quadrilateral structure.
Further, the groove is of a quadrilateral structure or a square structure.
Further, the protruding piece is a screw.
Furthermore, the die also comprises side lugs arranged on two sides of the upper die; further, the side ears are welded to the upper die.
Compared with the prior art, the invention has the following beneficial effects:
according to the method for manufacturing the nylon fiber composite material, the cord density can be controlled by the distance between the wire grooves, the anisotropy difference of the prepared material is easy to change, and the gum dipping at the superposition position between the cords is easier.
According to the method for manufacturing the nylon fiber composite material, the weights are hung along the fiber direction, tension exists, the forming stability is better, the twisting deformation cannot occur, and the uniformity of all parts of the material is good.
According to the method for manufacturing the nylon fiber composite material, the fiber direction can be designed into a specific structure according to requirements, and a foundation is laid for computer modeling and finite element analysis.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the structure of a lower mold of a mold used in the method for manufacturing a nylon fiber composite of the present invention;
FIG. 2 isbase:Sub>A schematic structural view of section A-A of FIG. 1;
FIG. 3 is a schematic structural view of an upper mold of a mold used in the method for manufacturing a nylon fiber composite of the present invention;
FIG. 4 is a view showing the routing of cords in the transverse line grooves and cords in the longitudinal line grooves in the method for manufacturing a nylon fiber composite of the present invention;
FIG. 5 is a view showing a method of routing cords in a transverse slot and cords in a longitudinal slot in the method of manufacturing a nylon fiber composite according to the present invention;
in the figure, the positioning hole is 1, the upper die is 11, the positioning hole is 12, the side lug is 2, the lower die is 21, the transverse wire groove is 22, the longitudinal wire groove is 23, the groove is 24, the positioning column is 3 and the fixing frame is arranged.
Detailed Description
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention, but it is to be understood that the description is intended to illustrate further features and advantages of the invention, and not to limit the scope of the claims.
The method for manufacturing the nylon fiber composite material comprises the following steps:
firstly, shearing and crushing a sizing material, and paving the sizing material in a groove 23 of a lower die 2, wherein the thickness is 0.3-0.4cm;
step two, taking cords to be placed into a transverse wire groove 21 of a lower die 2, hanging weights after two ends of each cord are respectively fixed on a protruding piece of the die, taking the cords to be placed into a longitudinal wire groove 22 of the lower die 2, weaving the cords and the cords in the transverse wire groove 21 into a net structure in a vertically penetrating mode, and hanging weights after two ends of each cord in the longitudinal wire groove 22 are respectively fixed on the protruding piece of the die; the vertical distances of the cords in the two adjacent transverse trunking 21 are equal, the vertical distances of the cords in the two adjacent longitudinal trunking 22 are equal, and the vertical distances of the cords in the two adjacent transverse trunking 21 are equal to the vertical distances of the cords in the two adjacent longitudinal trunking 22;
step three, taking the sizing material, shearing the sizing material into pieces, paving the pieces on a net structure, covering an upper die 1, wherein the thickness of the pieces is 0.3-0.4cm;
and step four, putting the mold into a vulcanizing machine, and vulcanizing for 45 minutes at 145 ℃ to obtain the nylon fiber composite material.
In the above technical solution, as shown in fig. 1 to 3, the mold includes: the device comprises an upper die 1, a lower die 2 and a plurality of fixing frames 3; the upper die 1 can be arranged above the lower die 2 in an opening and closing way; the upper end face of the lower die 2 is provided with a plurality of transverse wire grooves 21 and a plurality of longitudinal wire grooves 22 for placing cords, the depth of the transverse wire grooves 21 in the longitudinal wire grooves 22 is the same, and the distance between every two adjacent transverse wire grooves 21 is the same as that between every two adjacent longitudinal wire grooves 22; a groove 23 is formed in the upper end face of the lower die 2, and the depth of the groove 23 is larger than that of the transverse wire casing 21; the periphery of the lower die 2 is fixed with a fixed frame 3; the fixing frame 3 is provided with a protruding member for fixing the end of the cord.
Above-mentioned technical scheme, preferred lower mould 2 sets up a plurality of reference columns 24 to set up at last mould 1 and reference column 24 complex locating hole 11, and then when last mould 1 places on lower mould 2, avoid because of the interior sizing material of recess 23 is too much, side displacement appears in last mould 1. Preferably, the lower mold 2 and the upper mold 1 are configured to have a quadrilateral structure, positioning pillars 24 may be disposed at any two angular positions of the lower mold 2, positioning pillars 24 may be disposed at any three angular positions of the lower mold 2, and positioning pillars 24 may be disposed at four angular positions of the lower mold 2, which can be selected by a person skilled in the art according to requirements. Preferably, positioning column 24 is set to be a conical structure, so that a worker can align positioning hole 11 and positioning column 24 conveniently, and after positioning hole 11 of upper mold 1 is aligned with positioning column 24 of lower mold 2, positioning column 24 can be gradually attached to positioning hole 11 under the action of gravity of upper mold 1 until upper mold 1 contacts lower mold 2. The grooves 23 may preferably have a quadrangular structure, and may also have other shapes, such as a circular structure, a triangular structure, or a polygonal structure, which can be selected by those skilled in the art as required. Preferably, the groove 23 may have a square structure, a rectangular structure, a diamond structure or a trapezoid structure, and those skilled in the art may select the groove according to the requirement. Preferably, the protruding part is set as a screw, a screw hole can be formed in the fixing frame 3, the protruding part can be fixed by threaded connection with the screw hole, the protruding part can also be other parts capable of fixing the end part of the cord thread, and the skilled person can select the fixing part according to requirements. Preferably, the side ears 12 are arranged on two sides of the upper die 1, so that the upper die 1 can be conveniently lifted by a worker, and the upper die 1 is separated from the lower die 2. The side ears 12 can be arranged on two sides of the upper die 1, and the side ears 12 can be arranged on the periphery of the upper die 1, so that the upper die 1 can be further taken down by a worker conveniently. The side lugs 12 can be fixed on the upper die 1 by welding or can be fixed on the upper die 1 by bolts, and can be selected by those skilled in the art according to requirements.
According to the technical scheme, the addition amount of the sizing material in the step one is preferably the same as that of the sizing material in the step three.
In the above technical solution, in the second step, the number of the cords in the longitudinal trunking 22 is preferably the same as that of the cords in the transverse trunking 21, and the number of the cords is 10 to 30.
In the technical scheme, the vertical distance of the cords in two adjacent transverse trunking 21 is 1-5 times the width of the transverse trunking 21.
In the technical scheme, the material of the cord is preferably nylon 66, and can also be made of high-quality high-carbon steel through surface plating, drawing and twisting.
In the above solution, the cords in the transverse trunking 21 are perpendicular to the cords in the longitudinal trunking 22, as shown in fig. 4.
In the above technical solution, the cords in the longitudinal trunking 22 are symmetric left and right with respect to the longitudinal central axis, the cord in the left longitudinal trunking 22 forms an included angle of 120 degrees with the cord in the transverse trunking 21, the cord in the right longitudinal trunking 22 forms an included angle of 60 degrees with the cord in the transverse trunking 21, and the intersecting position of the cord in the left longitudinal trunking 22 and the cord in the right longitudinal trunking 21 is woven in a vertically penetrating manner, as shown in fig. 5.
In the above technical scheme, the sizing material is not particularly limited, and may be any sizing material commonly used in fiber composite materials in the art. The present embodiment provides a formulation of a sizing material, as shown in table 1.
TABLE 1 sizing formulations
Preferably, the above-mentioned compounds are prepared as follows:
step one, weighing each component according to a ratio;
step two, putting the synthetic isoprene rubber into an internal mixer, and carrying out internal mixing for 1-3min;
putting the active agent A, the reinforcing agent, the anti-aging agent, the tackifying resin, the anti-reversion agent, the coupling agent and the anti-scorching agent into an internal mixer, and banburying for 2-8min;
step four, putting the active agent B and the plasticizer into an internal mixer, carrying out internal mixing for 1-4min, discharging rubber at 100-140 ℃, standing for 1-6h in an environment of 20-50 ℃ to obtain rubber compound;
and step five, open-milling the mixed rubber on an open mill, wherein the roll temperature is 60-80 ℃, adding an accelerator and a vulcanizing agent, uniformly mixing, standing at room temperature for more than 12 hours, and vulcanizing to obtain the rubber material.
The method for manufacturing the nylon fiber composite material comprises the steps of arranging a plurality of transverse wire grooves 21 and a plurality of longitudinal wire grooves 22 for placing cords on the upper end surface of a lower die 2, enabling the depth of the transverse wire grooves 21 to be the same as that of the longitudinal wire grooves 22, enabling the distance between the adjacent transverse wire grooves 21 to be the same as that of the adjacent longitudinal wire grooves 22, already arranging grooves 23 on the upper end surface of the lower die 2, then sequentially placing the cords on the transverse wire grooves 21 and the longitudinal wire grooves 22, fixing two ends of the cords on protruding pieces of a fixing frame 3, enabling the cords to be in a tensioned state, and enabling the distance between the adjacent cords to be the same no matter in the longitudinal direction or in the transverse direction. Through adding sizing material to recess 23 in, can make sizing material dip each cord completely to through the cooperation of last mould 1 with bed die 2, under the action of gravity of last mould 1, can make sizing material and cord contact inseparabler, and then the performance of the fibre combined material who obtains is better, and the performance at each position is also more even. The distance between the adjacent longitudinal line grooves 22 and the distance between the adjacent transverse line grooves 21 need to be selected according to requirements.
The terms used in the present invention generally have meanings commonly understood by those of ordinary skill in the art, unless otherwise specified. In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the following embodiments.
In the following examples, various procedures and methods not described in detail are conventional methods well known in the art. Materials, reagents, devices, instruments, apparatuses and the like used in the following examples are commercially available unless otherwise specified.
The present invention is further illustrated by the following examples.
Example 1
Step one, taking 10g of rubber material, shearing, and paving in a lower die 2, wherein the thickness is 0.3cm.
Step two, taking 12 nylon 66 cords to be placed into a transverse wire groove 21 of a lower die 2, hanging weights after two ends of each cord are respectively fixed on a protruding piece of the die, taking 12 nylon 66 cords to be placed into a longitudinal wire groove 22 of the lower die 2, weaving the cords and the cords in the transverse wire groove 21 into a net-shaped structure in a vertically-penetrating mode, and hanging weights after two ends of each cord in the longitudinal wire groove 22 are respectively fixed on the protruding piece of the die; the vertical distance of the cords in the two adjacent transverse trunking 21 is equal, the vertical distance of the cords in the two adjacent longitudinal trunking 22 is equal, the vertical distance of the cords in the two adjacent transverse trunking 21 is equal to the vertical distance of the cords in the two adjacent longitudinal trunking 22, and the vertical distance of the cords in the two adjacent transverse trunking 21 is 2 times the width of the transverse trunking 21; the cords in the transverse trunking 21 are perpendicular to the cords in the longitudinal trunking 22.
And step three, shearing 10g of rubber material, paving the rubber material on a net structure with the thickness of 0.4cm, and covering a die 1.
And step four, putting the mold into a vulcanizing machine, and vulcanizing for 45 minutes at 145 ℃ to obtain the nylon fiber composite material.
Example 2
Step one, taking 10g of rubber material, shearing, and paving in a lower die 2, wherein the thickness is 0.3cm.
Step two, taking 12 nylon 66 cords to be placed into a transverse wire groove 21 of a lower die 2, hanging weights after two ends of each cord are respectively fixed on a protruding piece of the die, taking 12 nylon 66 cords to be placed into a longitudinal wire groove 22 of the lower die 2, weaving the cords and the cords in the transverse wire groove 21 into a net-shaped structure in a vertically-penetrating mode, and hanging weights after two ends of each cord in the longitudinal wire groove 22 are respectively fixed on the protruding piece of the die; the vertical distance of the cords in the two adjacent transverse trunking 21 is equal, the vertical distance of the cords in the two adjacent longitudinal trunking 22 is equal, the vertical distance of the cords in the two adjacent transverse trunking 21 is equal to the vertical distance of the cords in the two adjacent longitudinal trunking 22, and the vertical distance of the cords in the two adjacent transverse trunking 21 is 3 times the width of the transverse trunking 21; the cords in the longitudinal wire grooves 22 are symmetrical left and right relative to the longitudinal central axis, the cords in the left longitudinal wire groove 22 and the cords in the transverse wire grooves 21 form an included angle of 120 degrees, the cords in the right longitudinal wire groove 22 and the cords in the transverse wire grooves 21 form an included angle of 60 degrees, and the intersecting positions of the cords in the left longitudinal wire groove 22 and the cords in the right longitudinal wire groove 21 are woven in a vertically penetrating mode.
And step three, shearing 10g of rubber material, paving the rubber material on a net structure with the thickness of 0.4cm, and covering a die 1.
And step four, putting the mold into a vulcanizing machine, and vulcanizing for 45 minutes at 145 ℃ to obtain the nylon fiber composite material.
It should be understood that the above-described embodiments are merely examples for clarity of description and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither necessary nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The method for manufacturing the nylon fiber composite material is characterized by comprising the following steps:
firstly, shearing and crushing a sizing material, and paving the sizing material in a groove (23) of a lower die (2) to obtain a sizing material with the thickness of 0.3-0.4cm;
secondly, taking cords and placing the cords into a transverse wire groove (21) of a lower die (2), hanging weights after two ends of each cord are respectively fixed on a protruding part of the die, taking the cords and placing the cords into a longitudinal wire groove (22) of the lower die (2), weaving the cords and the cords in the transverse wire groove (21) into a net structure in a vertically penetrating mode, and hanging weights after two ends of each cord in the longitudinal wire groove (22) are respectively fixed on the protruding part of the die after weaving is finished; the vertical distances of the cords in the two adjacent transverse trunking (21) are equal, the vertical distances of the cords in the two adjacent longitudinal trunking (22) are equal, and the vertical distance of the cords in the two adjacent transverse trunking (21) is equal to the vertical distance of the cords in the two adjacent longitudinal trunking (22);
thirdly, shearing the sizing material into pieces, paving the pieces on the net-shaped structure with the thickness of 0.3-0.4cm, and covering an upper die (1);
putting the mold into a vulcanizing machine, and vulcanizing for 45 minutes at 145 ℃ to obtain a nylon fiber composite material;
the die comprises an upper die (1), a lower die (2) and a plurality of fixing frames (3); the upper die (1) is arranged above the lower die (2) in an openable and closable manner; the upper end face of the lower die (2) is provided with a plurality of transverse wire grooves (21) and a plurality of longitudinal wire grooves (22) for placing cords, the depth of each transverse wire groove (21) is the same as that of each longitudinal wire groove (22), and the distance between every two adjacent transverse wire grooves (21) is the same as that between every two adjacent longitudinal wire grooves (22); a groove (23) is formed in the upper end face of the lower die (2), and the depth of the groove (23) is larger than that of the transverse wire groove (21); the periphery of the lower die (2) is fixed with a fixed frame (3); the fixed frame (3) is provided with a convex part for fixing the end part of the cord thread.
2. The method for manufacturing the nylon fiber composite material according to claim 1, wherein the amount of the sizing material added in the first step is the same as the amount of the sizing material added in the third step.
3. The method for manufacturing the nylon fiber composite material according to claim 1, wherein in the second step, the number of the cords in the transverse trunking (21) is the same as that of the cords in the longitudinal trunking (22), and the number of the cords is 10-30.
4. The method for manufacturing nylon fiber composite material according to claim 1, wherein in the second step, the vertical distance of the cords in two adjacent transverse trunking (21) is 1-5 times the width of the transverse trunking (21).
5. The method for manufacturing the nylon fiber composite material according to claim 1, wherein in the second step, the material of the cord is nylon 66.
6. The method for manufacturing nylon fiber composite material according to claim 1, wherein in the second step, the cords in the transverse trunking (21) and the cords in the longitudinal trunking (22) are perpendicular;
or the cords in the longitudinal wire grooves (22) are symmetrical left and right relative to the longitudinal central axis, the cords in the left longitudinal wire groove (22) and the cords in the transverse wire grooves (21) form an included angle of 120 degrees, the cords in the right longitudinal wire groove (22) and the cords in the transverse wire grooves (21) form an included angle of 60 degrees, and the intersecting positions of the cords in the left longitudinal wire groove (22) and the cords in the right longitudinal wire groove (22) are woven in a vertically penetrating mode.
7. The method for manufacturing the nylon fiber composite material according to claim 1, wherein the lower mold (2) is provided with a plurality of positioning pillars (24), and the upper mold (1) is provided with a plurality of positioning holes (11) matched with the positioning pillars (24).
8. The method of manufacturing a nylon fiber composite of claim 7,
positioning columns (24) are arranged at least two corners of the lower die (2);
the positioning column (24) is of a conical structure.
9. The method of manufacturing a nylon fiber composite of claim 1,
the lower die (2) and the upper die (1) are both of quadrilateral structures;
the groove (23) is of a quadrilateral structure or a square structure;
the protruding piece is a screw.
10. The method for manufacturing a nylon fiber composite material according to claim 1, characterized in that the mold further comprises side ears (12) disposed at both sides of the upper mold (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211376473.2A CN115534362A (en) | 2022-11-04 | 2022-11-04 | Method for manufacturing nylon fiber composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211376473.2A CN115534362A (en) | 2022-11-04 | 2022-11-04 | Method for manufacturing nylon fiber composite material |
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| CN115534362A true CN115534362A (en) | 2022-12-30 |
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