CN113510947A - Method for forming composite continuous fiber chain - Google Patents

Method for forming composite continuous fiber chain Download PDF

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Publication number
CN113510947A
CN113510947A CN202110308632.4A CN202110308632A CN113510947A CN 113510947 A CN113510947 A CN 113510947A CN 202110308632 A CN202110308632 A CN 202110308632A CN 113510947 A CN113510947 A CN 113510947A
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CN
China
Prior art keywords
chain
composite material
forming
fiber
continuous fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110308632.4A
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Chinese (zh)
Inventor
娄小杰
王威力
罗世文
魏喜龙
周国泰
侯涤洋
王世巍
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Harbin FRP Institute Co Ltd
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Harbin FRP Institute Co Ltd
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Publication date
Application filed by Harbin FRP Institute Co Ltd filed Critical Harbin FRP Institute Co Ltd
Priority to CN202110308632.4A priority Critical patent/CN113510947A/en
Publication of CN113510947A publication Critical patent/CN113510947A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/12Chains

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

The invention provides a method for forming a continuous fiber chain of a composite material, and relates to a structure applicable material which is a fiber reinforced resin matrix composite material. The matrix resin of the composite material comprises an epoxy resin system, a vinyl ester system, a polyester resin system and the like; the reinforced phase material of the composite material comprises continuous fibers such as carbon fibers, glass fibers, aramid fibers, basalt fibers and PBO fibers, and the specific method comprises the following steps: the combined chain forming mold adopts continuous fiber to form the composite material chain and surface finishing, and the method can form the composite material chain of the continuous fiber. The composite material chain formed by the forming method is light in weight, easy to operate and good in corrosion resistance in a marine environment compared with a metal chain.

Description

Method for forming composite continuous fiber chain
Technical Field
The invention relates to a method for forming a composite material continuous fiber chain, and belongs to the technical field of composite material forming methods.
Background
At present, the chain is made of metal, such as steel, aluminum, etc. The metal density is high, and in the use, metal chain weight is big, and is difficult to operate, and simultaneously, in marine environment, the corrosion resistance of metal is relatively poor, consequently needs to develop the chain of novel light material and replaces. The continuous fiber reinforced resin matrix composite material has the advantages of good corrosion resistance, high specific strength specific modulus and the like, and is widely applied in the fields of aerospace, transportation, chemical engineering, mechanical manufacturing and the like, but patents and reports of adopting a composite material continuous fiber forming chain structure are not seen at present.
Disclosure of Invention
The invention aims to solve the problems that the metal chain in the prior art is heavy and difficult to operate, and meanwhile, in a marine environment, because seawater contains a large amount of ions, electrochemical corrosion is easy to occur when the seawater is in contact with metal, so that the strength of the metal chain is reduced, and even the use is influenced. The continuous fiber reinforced resin matrix composite material has the advantages of high resistivity, low density, good corrosion resistance and the like, so the invention provides the method for forming the composite material continuous fiber chain, which is used for forming the composite material chain of the continuous fiber, and the prepared chain has the advantages of light weight, designability of material structure of a composite material product and the like.
The invention provides a method for forming a composite continuous fiber chain, which specifically comprises the following steps:
(1) preparing a continuous fiber reinforcement material, wherein a matrix resin of the fiber reinforcement material comprises an epoxy resin system, a vinyl ester system and a polyester resin system; the reinforcing phase material of the fiber reinforced material is one or more of carbon fiber, glass fiber, aramid fiber, basalt fiber and PBO fiber;
(2) assembling a composite material chain forming die;
(3) winding the used fiber on a thread guide;
(4) drawing the fibers by using a thread guide to enable the fibers to be tightly wound on the surface of the die until the fibers fill the arc-shaped cavity of the die, and infiltrating resin in the winding process to enable the resin to be soaked in the fibers;
(5) demolding after curing, and finishing until the surface is smooth to form a chain structure unit;
(6) and (3) assembling the mould, inserting the chain structure unit formed in the step (5) into the mould during assembly, repeating the steps 2-5 to form a second chain structure, forming the subsequent chain structure unit and the like.
Preferably, in step (4), the traction tension is greater than 20N.
Preferably, in the step (4), the resin content is controlled to be 20% -40%.
The utility model provides a combined material chain forming die, includes four main component that the structure is the same, connecting bolt and coupling nut, four main component sets up relatively to fix into a whole through connecting bolt and coupling nut, the cross-section semicircular in shape of main component, the symmetry is provided with two semicircle arc chambeies on the semicircular base, and the semicircular top sets up a protrusion ear perpendicularly, semicircular bottom also sets up a protrusion ear perpendicularly, all is provided with the screw hole on two protrusion ears for pass connecting bolt, and through two adjacent main component of coupling nut fixed.
The forming method of the composite material continuous fiber chain has the beneficial effects that:
1. the invention relates to a method for forming a continuous fiber chain of a composite material, which has the advantages of simple process, no need of mechanical equipment such as a winding machine and the like, low labor and material cost and no need of a complicated subsequent machining process.
2. The proportion of the reinforcing material of the composite material chain is controllable, and the formed chain is light in weight, corrosion resistant and basically the same as that of a metal chain in tensile property.
3. The composite material chain can be used for independently forming the chain link units of the chain and then connecting, and can also be used for continuously forming the chain link units of the chain, namely when a problem occurs in one chain link unit of the chain, the chain link unit can be replaced, the chain can still be used, and the loss is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a front view of a main member of a composite material chain forming mold according to the present invention;
FIG. 2 is a right side view of the main member of the composite link forming mold of the present invention;
FIG. 3 is a bottom view of the primary member of the composite link forming mold of the present invention;
FIG. 4 is a schematic view of the assembly of the forming mold of the composite material chain of the present invention;
FIG. 5 is a right side view of FIG. 4;
FIG. 6 is a bottom view of FIG. 4;
wherein, 1-main component, 2-connecting bolt, 3-connecting nut, and 4-round empty groove.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
the first embodiment is as follows: the present embodiment is explained with reference to fig. 1 to 3. The method for forming the composite continuous fiber chain specifically comprises the following steps:
(1) preparing a continuous fiber reinforcement material, wherein a matrix resin of the fiber reinforcement material comprises an epoxy resin system, a vinyl ester system and a polyester resin system; the reinforcing phase material of the fiber reinforced material is one or more of carbon fiber, glass fiber, aramid fiber, basalt fiber and PBO fiber;
(2) assembling a composite material chain forming die;
(3) winding the used fiber on a thread guide;
(4) using a thread guide to pull the fibers, enabling the fibers to be tightly wound on the surface of the arc-shaped cavity formed after the die assembly until the fibers fill the arc-shaped cavity of the die, infiltrating resin in the winding process, enabling the resin to be soaked in the fibers, and controlling the resin content to be 20-40%;
(5) removing the screw and the nut after curing, demoulding, polishing and trimming off redundant fibers until the surface is smooth, and forming a chain structure unit;
(6) and (3) assembling the mould, inserting the chain structure unit formed in the step (5) into the mould during assembly, repeating the steps (2) to (5) to form a second chain structure, and forming the subsequent chain structure unit and the like.
Continuous fiber reinforcement used for composite chain: the reinforced material 1 is carbon fiber, the reinforced material 2 is glass fiber, the reinforced material 3 is aramid fiber, the reinforced material 4 is basalt fiber, and the reinforced material 5 is PBO fiber. The reinforcing material is one or more of the materials, and can be selected according to the requirements of different strength, modulus, cost and the like.
The utility model provides a combined material chain forming die, includes four main component 1 that the structure is the same, connecting bolt 2 and coupling nut 3, four main component 1 set up relatively to fix into a whole through connecting bolt 2 and coupling nut 3, the cross-section semicircular in shape of main component, the symmetry is provided with two semicircle arc chambeies on the semicircular base, and the semicircular top sets up a protrusion ear perpendicularly, semicircular bottom also sets up a protrusion ear perpendicularly, all is provided with the screw hole on two protrusion ears for pass connecting bolt 2, and fix two adjacent main component 1 through coupling nut 3.
And assembling the composite material chain forming die. And (3) screwing and fixing the main components of the two-segment forming die by using screws and nuts. And the other two main components of the forming die are screwed and fixed by screws and nuts. And finally, the two connected molds are assembled into a whole by penetrating the round holes through screws, and nuts are screwed and fixed.
The forming die of the composite material chain comprises four main components 1 with the same structure, a connecting bolt 2 and a connecting nut 3, and the mounting method comprises the following steps:
(1) after the connecting bolt 2 passes through the threaded hole between the first main component and the second main component, the connecting bolt is screwed by the connecting nut 3, and the relative position between the first main component and the second main component is fixed;
(2) the connecting bolt 2 is inserted through the threaded hole between the third main member and the fourth main member, and then tightened by the connecting nut 3 to fix the relative position between the third main member and the fourth main member.
(3) The connecting bolt 2 is inserted through the threaded hole between the first main member and the fourth main member, and then tightened by the connecting nut 3 to fix the relative position between the first main member and the fourth main member.
(4) The connecting bolt 2 is inserted through the threaded hole between the second main member and the third main member, and then tightened by the connecting nut 3 to fix the relative position between the second main member and the third main member.
The use method of the forming die of the composite material chain comprises the following steps:
and winding the used fibers on a thread guide, and drawing the fibers by using the thread guide to enable the fibers to be tightly wound on the surface of the arc-shaped cavity formed after the die is combined until the fibers fill the arc-shaped cavity of the die. Resin is dipped in the winding process to enable the resin to saturate the fibers. And after curing, removing the screw and the nut, and demolding to form a chain structure unit.
The mold is assembled according to the above-described installation steps, and the last molded zipper structure unit is inserted into the circular hollow groove in the mold during assembly, see position 4 shown in fig. 2, and the molding step is repeated to form a second zipper structure. And the subsequent chain structure unit molding is analogized, so that the molded chain structure unit can be inserted into the mold on one side or inserted into the mold on two sides.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and that the reasonable combination of the features described in the above-mentioned embodiments can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A method for forming a composite continuous fiber chain is characterized by comprising the following steps:
(1) preparing a continuous fiber reinforced material, wherein the continuous fiber reinforced material is one or more of carbon fiber, glass fiber, aramid fiber, basalt fiber and PBO fiber;
(2) assembling a composite material chain forming die;
(3) winding the used fiber on a thread guide;
(4) drawing the fibers by using a thread guide, tightly winding the fibers on the surface of an arc-shaped cavity formed after the die assembly until the fibers fill the arc-shaped cavity of the die, and infiltrating resin in the winding process to enable the resin to saturate the fibers;
(5) demolding after curing, and finishing until the surface is smooth to form a chain structure unit;
(6) and (3) assembling the mould, inserting the formed chain structure unit into the mould during assembly, repeating the steps 2-5 to form a second chain structure, and repeating the subsequent forming of the chain structure unit.
2. The method for forming a composite material continuous fiber chain according to claim 1, wherein in the step (2), the assembling method for assembling the composite material chain forming mold comprises:
(1) the main components of the two-segment forming die are screwed and fixed by screws and nuts,
(2) the other two-segment forming die main components are screwed and fixed by bolts and nuts,
(3) and finally, the two connected molds are assembled into a whole by penetrating the round holes through screws, and nuts are screwed and fixed.
3. The method for forming a continuous fiber chain of composite material according to claim 1, wherein in the step (4), the pulling tension is greater than 20N.
4. The method for forming the composite continuous fiber chain according to claim 1, wherein in the step (4), the resin content is controlled to be 20-40%.
5. The forming method of the composite material continuous fiber chain according to claim 1, wherein the composite material chain forming mold comprises four main components (1) with the same structure, a connecting bolt (2) and a connecting nut (3), the four main components (1) are arranged oppositely and fixed into a whole through the connecting bolt (2) and the connecting nut (3), the section of each main component is semicircular, two semicircular arc cavities are symmetrically arranged on the bottom edge of the semicircle, a protruding lug is vertically arranged at the top of the semicircle, a protruding lug is also vertically arranged at the bottom of the semicircle, and threaded holes are arranged on the two protruding lugs and used for penetrating through the connecting bolt (2) and fixing the two adjacent main components (1) through the connecting nut (3).
CN202110308632.4A 2021-03-23 2021-03-23 Method for forming composite continuous fiber chain Pending CN113510947A (en)

Priority Applications (1)

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CN202110308632.4A CN113510947A (en) 2021-03-23 2021-03-23 Method for forming composite continuous fiber chain

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Application Number Priority Date Filing Date Title
CN202110308632.4A CN113510947A (en) 2021-03-23 2021-03-23 Method for forming composite continuous fiber chain

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115071003A (en) * 2022-05-26 2022-09-20 广联航空工业股份有限公司 Chain rigging co-curing tool

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DE1045744B (en) * 1956-11-05 1958-12-04 Kettenwerke Schlieper Ges Mit Plastic chain
GB830567A (en) * 1956-11-05 1960-03-16 Kettenwerke Schlieper G M B H Improvements relating to chains of synthetic material
GB1316654A (en) * 1969-06-06 1973-05-09 Florjancic Peter Process and device for the fabrication of a chain of links
JP2001082552A (en) * 1999-09-08 2001-03-27 Shibata Ind Co Ltd Composite material of elastic body and chain and manufacture thereof
US20100257835A1 (en) * 2007-09-19 2010-10-14 De Vries Oscar Chain link
CN103317628A (en) * 2013-02-01 2013-09-25 北京玻钢院复合材料有限公司 Preparation methods for soluble core mould and nonmetal-lining or no-lining fibre winding container
CN104797414A (en) * 2012-07-19 2015-07-22 Ihi空间技术株式会社 Stitched carbon fiber base material and wet prepreg using same
CN109466989A (en) * 2018-12-29 2019-03-15 江苏兴华胶带股份有限公司 A kind of manned high speed elevator Carbon fibe enhancing is resisted cold fire retardant balanced compensated chain
CN111572063A (en) * 2020-06-16 2020-08-25 衡阳五行复合材料有限公司 Composite material round-link chain forming die
CN111745998A (en) * 2020-05-28 2020-10-09 广联航空工业股份有限公司 Method for manufacturing chain rigging by using carbon fiber composite material

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DE1045744B (en) * 1956-11-05 1958-12-04 Kettenwerke Schlieper Ges Mit Plastic chain
GB830567A (en) * 1956-11-05 1960-03-16 Kettenwerke Schlieper G M B H Improvements relating to chains of synthetic material
GB1316654A (en) * 1969-06-06 1973-05-09 Florjancic Peter Process and device for the fabrication of a chain of links
JP2001082552A (en) * 1999-09-08 2001-03-27 Shibata Ind Co Ltd Composite material of elastic body and chain and manufacture thereof
US20100257835A1 (en) * 2007-09-19 2010-10-14 De Vries Oscar Chain link
CN104797414A (en) * 2012-07-19 2015-07-22 Ihi空间技术株式会社 Stitched carbon fiber base material and wet prepreg using same
CN103317628A (en) * 2013-02-01 2013-09-25 北京玻钢院复合材料有限公司 Preparation methods for soluble core mould and nonmetal-lining or no-lining fibre winding container
CN109466989A (en) * 2018-12-29 2019-03-15 江苏兴华胶带股份有限公司 A kind of manned high speed elevator Carbon fibe enhancing is resisted cold fire retardant balanced compensated chain
CN111745998A (en) * 2020-05-28 2020-10-09 广联航空工业股份有限公司 Method for manufacturing chain rigging by using carbon fiber composite material
CN111572063A (en) * 2020-06-16 2020-08-25 衡阳五行复合材料有限公司 Composite material round-link chain forming die

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115071003A (en) * 2022-05-26 2022-09-20 广联航空工业股份有限公司 Chain rigging co-curing tool
CN115071003B (en) * 2022-05-26 2023-08-18 广联航空工业股份有限公司 Co-curing tool for chain rigging

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Application publication date: 20211019