CN108437585B - Wear-resistant non-metal composite board and manufacturing method thereof - Google Patents
Wear-resistant non-metal composite board and manufacturing method thereof Download PDFInfo
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- CN108437585B CN108437585B CN201810362262.0A CN201810362262A CN108437585B CN 108437585 B CN108437585 B CN 108437585B CN 201810362262 A CN201810362262 A CN 201810362262A CN 108437585 B CN108437585 B CN 108437585B
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
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Abstract
The wear-resistant non-metal composite board comprises a substrate and a wear-resistant fabric layer arranged on the substrate, wherein the substrate is made of glass short fibers and epoxy resin, the wear-resistant fabric layer comprises a fabric surface layer and a fabric bottom layer, the fabric bottom layer is connected with a fabric surface layer and a base body, the fabric surface layer is formed by weaving one or more of polytetrafluoroethylene filaments and aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether ether ketone filaments and cotton fiber filaments, the fabric bottom layer is formed by weaving one or more of aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether ether ketone filaments and cotton fiber filaments, and wear-resistant resin is filled in thread gaps of the fabric surface layer and the fabric bottom layer. Therefore, the sliding plate has the advantages of wear resistance, no need of oil supply, long service life, low cost and the like, and can be used for replacing the metal sliding plate needing oil supply and the engineering plastic sliding plate with lower bearing capacity. Also provides a manufacturing method of the wear-resistant non-metal composite board.
Description
Technical Field
The invention relates to a non-metal plate, in particular to a wear-resistant non-metal composite plate and a manufacturing method thereof.
Background
In an injection molding machine or other processing equipment, plates are often used as components such as a slide plate, and conventionally, plates made of metal or alloy materials, such as copper alloy or zinc-aluminum alloy plates, are generally used. However, metal or alloy plates are worn very quickly under dry friction, are not used for a period of time and are easy to corrode and rust, an oil supply system is required to be adopted to supply oil and lubricate regularly, the oil supply can pollute the table top of equipment, once the oil supply system is blocked by abrasive dust for a long time without cleaning, the oil supply is impossible, and the cost is high. Some existing non-metal plates, such as engineering plastic plates, have limited bearing capacity and cannot meet the requirements of equipment.
Disclosure of Invention
In view of this, the invention provides a wear-resistant non-metallic composite board which is wear-resistant, does not need oil supply, has a long service life and is low in cost, and a manufacturing method thereof, so as to solve the problems.
The utility model provides a wear-resisting nonmetal composite board, includes the base plate and sets up the wear-resisting fabric layer on the base plate, the base plate is formed by short glass fiber and epoxy resin preparation, the wear-resisting fabric layer includes fabric surface course and the fabric bottom that local cross woven, fabric surface course and base member are connected to the fabric bottom, the fabric surface course is woven by polytetrafluoroethylene filament and one or more among aramid filament, dacron filament, polyphenylene sulfide filament, polyether ether ketone filament, the cotton fiber filament and is formed, the fabric bottom is woven by one or more among aramid filament, dacron filament, polyphenylene sulfide filament, polyether ether ketone filament, the cotton fiber filament and is formed, it has wear-resisting resin to fill in the silk thread gap of fabric surface course and fabric bottom.
Further, the glass short fibers are randomly arranged in the epoxy resin.
Further, the length of the short glass fiber is 1-30 mm.
Further, the length of the short glass fiber is 3-20 mm.
Furthermore, the weight ratio of the short glass fibers in the substrate is 40-80%.
Further, the wear-resistant resin is formed by mixing epoxy resin, a curing agent and one or more of polytetrafluoroethylene short fibers, carbon fibers or graphite.
A manufacturing method of a wear-resistant non-metal composite board comprises the following steps:
step S1: manufacturing a substrate, adding a curing agent and short glass fibers into epoxy resin, uniformly stirring to form a matrix mixture, introducing the matrix mixture into a prepared plate die, performing pre-curing treatment, and pressing to be flat;
step S2: preparing wear-resistant resin slurry, namely uniformly stirring the epoxy resin and the curing agent, adding one or more of polytetrafluoroethylene short fibers, carbon fibers or graphite, and uniformly stirring;
and step S3: manufacturing a wear-resistant fabric layer, wherein the wear-resistant fabric layer comprises a fabric surface layer and a fabric bottom layer, twisting one or more of polytetrafluoroethylene filaments and aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether-ether-ketone filaments and cotton filaments to form mixed fiber bundles, performing warp-weft weaving on a plurality of mixed fiber bundles to form the fabric surface layer, twisting one or more of aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether-ether-ketone filaments and cotton filaments to form mixed fiber bundles, performing warp-weft weaving on the plurality of mixed fiber bundles to form the fabric bottom layer, and performing cross weaving on a part of the fabric surface layer close to the fabric bottom layer and a part of the fabric bottom layer close to the fabric surface layer to form the wear-resistant fabric layer;
and step S4: soaking in acetone or alcohol to remove lipid compounds on the surface of the wear-resistant fabric layer, taking out and drying;
step S5: immersing the wear-resistant fabric layer into the wear-resistant resin slurry;
step S6: taking out the wear-resistant fabric layer, and scraping redundant wear-resistant resin on the surface of the wear-resistant fabric layer;
step S7: the composite substrate and the wear-resistant fabric layer are compounded, wherein one surface of the wear-resistant fabric layer, which is provided with the fabric bottom layer, faces the composite substrate.
Further, the length of the short glass fiber is 3-20 mm.
Further, the weight ratio of the glass short fibers in the substrate is 40% -80%.
Further, the weight ratio of the glass short fibers in the substrate is 55-65%.
Compared with the prior art, the wear-resistant non-metal composite board comprises a substrate and a wear-resistant fabric layer arranged on the substrate, wherein the substrate is made of glass short fibers and epoxy resin, the wear-resistant fabric layer comprises a fabric surface layer and a fabric bottom layer, the fabric bottom layer is connected with the fabric surface layer and a base body, the fabric surface layer is formed by weaving one or more of polytetrafluoroethylene filaments and aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether ether ketone filaments and cotton fiber filaments, the fabric bottom layer is formed by weaving one or more of aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether ether ketone filaments and cotton fiber filaments, and wear-resistant resin is filled in filament gaps of the fabric surface layer and the fabric bottom layer. The sliding plate has the advantages of wear resistance, no need of oil supply, long service life, low cost and the like, and can be used for replacing the metal sliding plate needing oil supply and the engineering plastic sliding plate with lower bearing capacity.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic cross-sectional view of the wear-resistant non-metallic composite plate provided by the present invention.
Fig. 2 is a schematic flow chart of a manufacturing method of the wear-resistant non-metal composite board provided by the invention.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1, a wear-resistant non-metallic composite board provided by the present invention includes a bottom substrate 10 and a wear-resistant fabric layer 20 disposed on the bottom substrate 10.
The material of the substrate 10 mainly comprises glass short fibers and epoxy resin, the length of the glass short fibers is different from 1 mm to 30mm, the glass short fibers are randomly arranged in the epoxy resin, the weight ratio of the glass short fibers in the substrate 10 is 40% -80%, preferably, the weight ratio of the glass short fibers in the substrate 10 is 55% -65%, and most preferably, the weight ratio of the glass short fibers in the substrate 10 is 60%. The glass fiber is an inorganic non-metallic material with excellent performance, and has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, and the glass short fiber does not need to be arranged in the epoxy resin, so that the matrix 10 has better strength in any direction.
The wear-resistant fabric layer 20 includes a partially cross-woven fabric face layer 22 and a fabric base layer 24, the fabric base layer 24 connecting the fabric face layer 22 to the substrate 10. The wear resistant fabric layer 20 has a thickness of 0.2 to 1.0mm.
The fabric surface layer 22 is woven by Polytetrafluoroethylene (PTFE) filaments and one or more of aramid filaments, polyester filaments, polyphenylene sulfide (PPS) filaments, polyether ether ketone (PEEK) filaments and cotton filaments. The polytetrafluoroethylene has the advantages of acid resistance, alkali resistance, various organic solvents resistance, high temperature resistance, low temperature resistance, corrosion resistance, high lubrication, non-adhesiveness, electric insulation and the like; the aramid fiber has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, aging resistance, long life cycle and the like; the terylene has the characteristics of firmness, durability, good elasticity, difficult deformation, corrosion resistance, insulation, stiffness, easy washing, quick drying and the like; the polyphenylene sulfide has the advantages of high mechanical strength, high temperature resistance, chemical resistance, high flame retardance, good thermal stability, excellent electrical property and the like; the polyether-ether-ketone has high temperature resistance, fatigue resistance, self-lubricating property, corrosion resistance, high flame retardance, easy processability and the like; the fabric surface layer 22 woven from one or more of polytetrafluoroethylene filaments and aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether ether ketone filaments and cotton filaments has good acid-resistant and alkali-resistant properties, high temperature resistance, corrosion resistance, high strength and wear resistance.
The fabric bottom layer 24 is woven by one or more of aramid filament, polyester filament, polyphenylene sulfide filament, polyether ether ketone filament and cotton fiber filament. It should be noted that, because the fabric bottom layer 24 does not contain the polytetrafluoroethylene filament, the polytetrafluoroethylene has the characteristics of acid resistance, alkali resistance, various organic solvents resistance and non-stickiness, and is hardly dissolved in all solvents, and the fabric bottom layer 24 which does not contain the polytetrafluoroethylene filament reduces the non-stickiness, and increases the bonding strength between the wear-resistant fabric layer 20 and the substrate 10.
The yarn gaps of the fabric surface layer 22 and the fabric bottom layer 24 are also filled with wear-resistant resin, and the wear-resistant resin is formed by mixing epoxy resin, a curing agent and one or more of polytetrafluoroethylene short fibers, carbon fibers or graphite. This further increases the abrasion resistance of the fabric top layer 22 and the fabric bottom layer 24, and the epoxy resin improves the bonding strength between the abrasion-resistant fabric layer 20 and the substrate 10.
Referring to fig. 2, the method for manufacturing the wear-resistant non-metallic composite board provided by the present invention includes the following steps:
step S1: manufacturing a substrate 10, adding a curing agent and 40-80 wt% of short glass fibers into epoxy resin, wherein the short glass fibers have different lengths of 1-30mm, preferably 3-20mm, and are uniformly stirred to form a matrix mixture, introducing the matrix mixture into a prepared plate mold for pre-curing, and pressing and flattening the surface of the plate for later use after the pre-curing is completed. Preferably, the weight ratio of the glass short fibers in the substrate 10 is 55% to 65%, and the best preferred embodiment is that the weight ratio of the glass short fibers in the substrate 10 is 60%.
Step S2: preparing wear-resistant resin slurry, namely uniformly stirring the epoxy resin and the curing agent, adding one or more of polytetrafluoroethylene short fibers, carbon fibers or graphite, and uniformly stirring to prepare the wear-resistant resin slurry for later use;
and step S3: and manufacturing the wear-resistant fabric layer. Twisting the polytetrafluoroethylene filament and one or more of aramid filament, polyester filament, polyphenylene sulfide filament, polyether ether ketone filament and cotton filament to form mixed fiber bundles, and then weaving a plurality of mixed fiber bundles by warps and wefts to form a fabric surface layer 22; twisting one or more of aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether-ether-ketone filaments and cotton filaments to form mixed fiber bundles, and performing warp and weft weaving on the mixed fiber bundles to form a fabric bottom layer 24; the portion of the fabric cover 22 adjacent to the fabric base layer 24 and the portion of the fabric base layer 24 adjacent to the fabric cover 22 are cross-woven to form a wear-resistant fabric layer.
And step S4: and (3) soaking the surface of the wear-resistant fabric layer in acetone or alcohol to remove lipid compounds, taking out and drying.
Step S5: the wear-resistant fabric layer is dipped into a wear-resistant resin slurry.
Step S6: and taking out the wear-resistant fabric layer, and scraping the redundant wear-resistant resin on the surface of the wear-resistant fabric layer.
Step S7: the composite substrate 10 and the wear-resistant fabric layer 20 are compounded, wherein one surface of the wear-resistant fabric layer 20 with the fabric bottom layer 24 faces the composite substrate 10, air in the compounded surface is extruded by a press roller, and finally, the compound substrate and the wear-resistant fabric layer are solidified and molded.
Compared with the prior art, the wear-resistant non-metal composite board has the advantages of wear resistance, no need of oil supply, long service life, low cost and the like, and can be used for replacing the metal sliding plate needing oil supply and the engineering plastic sliding plate with low bearing capacity, such as a barrel base sliding plate used as an injection molding machine material. Through the wear-resisting test, the test data of the copper alloy plate, the zinc-aluminum alloy plate and the wear-resisting nonmetal composite plate of the invention are shown in the table 1:
TABLE 1 abrasion resistance test data for three panels
As can be seen from Table 1, the wear-resistant non-metallic composite plate of the present invention has the least wear loss and the best wear resistance.
The above description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements and the like within the spirit of the present invention are included in the scope of the appended claims.
Claims (9)
1. The wear-resistant non-metal composite board is characterized in that: the wear-resistant non-metal composite board comprises a substrate and a wear-resistant fabric layer arranged on the substrate, wherein the wear-resistant fabric layer comprises a fabric surface layer and a fabric bottom layer which are woven in a local cross mode, the fabric bottom layer is connected with the fabric surface layer and a base body, the fabric surface layer is formed by weaving one or more of polytetrafluoroethylene filaments and aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether ether ketone filaments and cotton fiber filaments, the fabric bottom layer is formed by weaving one or more of aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether ether ketone filaments and cotton fiber filaments, wear-resistant resin is filled in thread gaps of the fabric surface layer and the fabric bottom layer, and the manufacturing method of the wear-resistant non-metal composite board comprises the following steps: step S1: manufacturing a substrate, adding a curing agent and short glass fibers into epoxy resin, uniformly stirring to form a matrix mixture, introducing the matrix mixture into a prepared plate die, performing pre-curing treatment, and pressing to be flat;
step S2: preparing wear-resistant resin slurry, namely uniformly stirring the epoxy resin and the curing agent, adding one or more of polytetrafluoroethylene short fibers, carbon fibers or graphite, and uniformly stirring;
and step S3: manufacturing a wear-resistant fabric layer, wherein the wear-resistant fabric layer comprises a fabric surface layer and a fabric bottom layer, twisting one or more of polytetrafluoroethylene filaments and aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether-ether-ketone filaments and cotton filaments to form mixed fiber bundles, performing warp-weft weaving on a plurality of mixed fiber bundles to form the fabric surface layer, twisting one or more of aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether-ether-ketone filaments and cotton filaments to form mixed fiber bundles, performing warp-weft weaving on the plurality of mixed fiber bundles to form the fabric bottom layer, and performing cross weaving on a part of the fabric surface layer close to the fabric bottom layer and a part of the fabric bottom layer close to the fabric surface layer to form the wear-resistant fabric layer;
and step S4: soaking in acetone or alcohol to remove lipid compounds on the surface of the wear-resistant fabric layer, taking out and drying;
step S5: immersing the wear-resistant fabric layer in the wear-resistant resin slurry;
step S6: taking out the wear-resistant fabric layer, and scraping redundant wear-resistant resin on the surface of the wear-resistant fabric layer;
step S7: the composite substrate and the wear-resistant fabric layer are compounded, wherein one surface of the wear-resistant fabric layer, which is provided with the fabric bottom layer, faces the composite substrate.
2. The wear-resistant non-metallic composite sheet material of claim 1, wherein: the glass short fibers are arranged in the epoxy resin in a disordered manner.
3. The wear-resistant non-metallic composite sheet according to claim 1 or 2, wherein: the length of the short glass fiber is 1-30 mm.
4. The wear-resistant non-metallic composite sheet material of claim 3, wherein: the length of the short glass fiber is 3-20 mm.
5. The wear-resistant non-metallic composite sheet material of claim 1, wherein: the weight ratio of the glass short fibers in the substrate is 40-80%.
6. A method of making the wear-resistant non-metallic composite sheet of claim 1, comprising the steps of:
step S1: manufacturing a substrate, adding a curing agent and short glass fibers into epoxy resin, uniformly stirring to form a matrix mixture, introducing the matrix mixture into a prepared plate die, performing pre-curing treatment, and pressing to be flat;
step S2: preparing wear-resistant resin slurry, namely uniformly stirring the epoxy resin and the curing agent, adding one or more of polytetrafluoroethylene short fibers, carbon fibers or graphite, and uniformly stirring;
and step S3: manufacturing a wear-resistant fabric layer, wherein the wear-resistant fabric layer comprises a fabric surface layer and a fabric bottom layer, twisting one or more of polytetrafluoroethylene filaments and aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether-ether-ketone filaments and cotton filaments to form mixed fiber bundles, performing warp-weft weaving on a plurality of mixed fiber bundles to form the fabric surface layer, twisting one or more of aramid filaments, polyester filaments, polyphenylene sulfide filaments, polyether-ether-ketone filaments and cotton filaments to form mixed fiber bundles, performing warp-weft weaving on the plurality of mixed fiber bundles to form the fabric bottom layer, and performing cross weaving on a part of the fabric surface layer close to the fabric bottom layer and a part of the fabric bottom layer close to the fabric surface layer to form the wear-resistant fabric layer;
and step S4: soaking in acetone or alcohol to remove lipid compounds on the surface of the wear-resistant fabric layer, taking out and drying;
step S5: immersing the wear-resistant fabric layer into the wear-resistant resin slurry;
step S6: taking out the wear-resistant fabric layer, and scraping redundant wear-resistant resin on the surface of the wear-resistant fabric layer;
step S7: the composite substrate and the wear-resistant fabric layer are compounded, wherein one surface of the wear-resistant fabric layer, which is provided with the fabric bottom layer, faces the composite substrate.
7. The method of manufacturing of claim 6, wherein: the length of the short glass fiber is 3-20 mm.
8. The method of manufacturing of claim 6, wherein: the weight ratio of the glass short fibers in the substrate is 40-80%.
9. The method of manufacturing of claim 8, wherein: the weight ratio of the glass short fibers in the substrate is 55-65%.
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| CN112323216A (en) * | 2019-07-19 | 2021-02-05 | 东丽纤维研究所（中国）有限公司 | Self-lubricating textile and application thereof |
| CN114262452A (en) * | 2021-12-24 | 2022-04-01 | 上海瓴荣材料科技有限公司 | Fiber reinforced resin matrix composite wear-resistant pressure-resistant gasket and preparation method thereof |
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