CN103924368B - The formation method of knitted fabric base material and knitted fabric base material - Google Patents
The formation method of knitted fabric base material and knitted fabric base material Download PDFInfo
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- CN103924368B CN103924368B CN201410012585.9A CN201410012585A CN103924368B CN 103924368 B CN103924368 B CN 103924368B CN 201410012585 A CN201410012585 A CN 201410012585A CN 103924368 B CN103924368 B CN 103924368B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B7/00—Flat-bed knitting machines with independently-movable needles
- D04B7/14—Flat-bed knitting machines with independently-movable needles with provision for incorporating internal threads in laid-in fabrics
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/102—Patterned fabrics or articles with stitch pattern
- D04B1/108—Gussets, e.g. pouches or heel or toe portions
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/03—Shape features
- D10B2403/033—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process
- D10B2403/0332—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process with gussets folding into three dimensional shape, e.g. seat covers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a kind of formation method and knitted fabric base material of knitted fabric base material, described knitted fabric base material is the knitted fabric base material of complicated shape, and the yarn crossovers be made up of reinforcing fiber and configuring on the whole at base material.Correspond to as should at the block pattern (100) on the basis of the shape of the knitted fabric of cross machine knitting (10a, 10b), make the yarn (70) of inlaying be made up of reinforcing fiber utilize stocking yarn (60) to weave basal knitted fabric portion along the insertion of knitting width direction simultaneously, make the first knitted fabric (10a) shaping.In common block pattern (100), corresponding to the block pattern (100) in directions different during the braiding be set to from the first knitted fabric (10a), make the yarn (70) of inlaying be made up of reinforcing fiber utilize stocking yarn (60) to weave basal knitted fabric portion along the insertion of knitting width direction simultaneously, make the second knitted fabric (10b) shaping.Make the first knitted fabric (10a) overlapping in the mode that mutual shape is consistent with the second knitted fabric (10b).
Description
Technical field
The present invention relates to the yarn crossovers that is made up of reinforcing fiber and the knitted fabric base material configured on the whole at base material form method and knitted fabric base material.Particularly relate to the formation method of the knitted fabric base material of complicated shape.
Background technology
As the fiber base material of fiber-reinforced plastic (FRP), the raw material of shellproof-anti-land heart, utilize the knitted fabric base material employing reinforcing fiber.As the braid method of the yarn be made up of reinforcing fiber knitted fabric intersected with each other, there is the technology described in patent document 1.In patent document 1, disclose the multi-layer braided structures body (knitted fabric base material) using straight-bar machines to utilize stocking yarn to be combined into by each layer of the warp thread be made up of reinforcing fiber and weft yarn.This knitted fabric base material weaves as follows: warp thread configured in parallel many supplied from top to the tooth mouth of straight-bar machines, weft yarn and stocking yarn are supplied by the thread-carrier of straight-bar machines, utilizes stocking yarn form knitted fabric and warp thread and weft yarn are combined.
[at first technical literature]
[patent document]
[patent document 1] Japanese Unexamined Patent Application Publication 2000-501792 publication
Summary of the invention
As knitted fabric base material, not only expect rectangular-shaped knitted fabric base material, also expect the knitted fabric base material of various shape.In order to form the knitted fabric base material of desired shape, the situation of the position of turning back of weft yarn and stocking yarn change thread-carrier can be enumerated.The knitted fabric base material of patent document 1 is fixed and makes the state of warp thread configured in parallel many and weave.Thus, about the shape of knitted fabric base material, even if change the position of turning back of weft yarn and stocking yarn, warp thread is also defined in the configuration in the direction along tooth mouth, is formed and is only arranged with warp thread and the non-existent region of knitted fabric.In order to make this knitted fabric base material become desired shape, need the post processing of warp cut-removing.
The present invention foundes in view of the above problems, one of its object be to provide a kind of yarn crossovers of being made up of reinforcing fiber and the knitted fabric base material configured on the whole at base material form method.Another object of the present invention is to provide the method that knitted fabric base material that a kind of yarn making to be made up of reinforcing fiber configures under crossing condition is formed as arbitrary shape.In addition, another object of the present invention be to provide a kind of apply knitted fabric base material of the present invention formation method and the knitted fabric base material formed.
The formation method of knitted fabric base material of the present invention is the method using straight-bar machines to form knitted fabric base material, comprises following operation α ~ operation γ.
[operation α] ... corresponding to the block pattern on basis of shape becoming the knitted fabric that utilize cross machine knitting, make the yarn of inlaying be made up of reinforcing fiber utilize stocking yarn to weave basal knitted fabric portion along the insertion of knitting width direction simultaneously, thus make the first knitted fabric shaping.
[operation β] ... in described block pattern, corresponding to the block pattern in directions different during the braiding be set to from operation α, make the yarn of inlaying be made up of reinforcing fiber utilize stocking yarn to weave basal knitted fabric portion along the insertion of knitting width direction simultaneously, thus make the second knitted fabric shaping.
[operation γ] ... make described first knitted fabric overlapping in the mode that mutual shape is consistent with the second knitted fabric.
As a mode of the formation method of knitted fabric base material of the present invention, can enumerate as under type: as described in operation α and as described in operation β, weave basal knitted fabric portion at least partially with the coil number in knitting width direction in stringer direction (longitudinal direction of knitted fabric) upper different mode.As the concrete braid method of coil number changing knitting width direction, can enumerate and utilize widening, at least one of braiding of narrowing and turn back.
Knitted fabric base material of the present invention is the knitted fabric base material be made up of multiple knitted fabric.Each described knitted fabric possess braiding basal knitted fabric portion stocking yarn and be inserted into described basal knitted fabric portion along knitting width direction and be made up of reinforcing fiber inlay yarn.At least 2 knitted fabrics forming described knitted fabric base material are overlapping in the mode that the alignment direction of inlaying yarn is mutually different.
As a mode of knitted fabric base material of the present invention, can enumerate as under type: as described in inlay yarn possess line part and as described in the end, knitting width direction of knitted fabric turn back from this line part and the return portion be connected with next line part.
As a mode of knitted fabric base material of the present invention, can enumerate as under type: as described in knitted fabric this knitted fabric at least partially on possess the coil number in the knitting width direction region different in stringer direction.
Fiber-reinforced plastic of the present invention possesses the mother metal be made up of resin and the fiber base material strengthened described mother metal, and described fiber base material is knitted fabric base material of the present invention.
[invention effect]
The formation method of knitted fabric base material of the present invention, by using a common block pattern, easily can weave same shape and inlaying the mutually different multiple knitted fabrics of the alignment direction of yarn simultaneously.By means of only making these knitted fabrics overlapping in the mode that mutual shape is consistent, just easily can obtain inlaying the knitted fabric base material that the alignment direction of yarn is mutually different, efficiency is high.Because the block pattern of each knitted fabric is common, even the knitted fabric base material of therefore complicated shape, make to inlay yarn by corresponding to block pattern and insert along knitting width direction, also can make on the whole to inlay yarn crossovers at knitted fabric base material.To inlay the mode that yarn becomes desired alignment direction on knitted fabric base material, set the angle of weave of block pattern when the braiding of each knitted fabric, the free degree of therefore inlaying the alignment direction of yarn is high.In addition, owing to using common block pattern, knitting and forming is carried out to each knitted fabric, easily can obtain the knitted fabric base material of complicated shape.About each knitted fabric, reinforcing fiber only being inserted along knitting width direction as inlaying yarn, therefore producing on the stringer direction of knitted fabric and extending.Therefore, each knitted fabric has flexibility, therefore easily makes each knitted fabric overlapping.
Weave basal knitted fabric portion at least partially by the mode different on stringer direction with the coil number in knitting width direction, easily each knitted fabric can be formed as arbitrary shape.Particularly on stringer direction, by carrying out widening in knitted fabric part, narrow, braiding of turning back etc. and can three-dimensionally making knit fabric.The formation method of knitted fabric base material of the present invention uses common block pattern and weaves each knitted fabric, even the therefore knitted fabric base material of three-dimensional shape, by making the knitted fabric corresponding with block pattern overlapping, also can make on the whole to inlay yarn crossovers at knitted fabric base material.
Knitted fabric base material of the present invention configures in the mode that the alignment direction of inlaying yarn be made up of reinforcing fiber is mutually different, is therefore high strength.Knitted fabric base material of the present invention is possessed by each knitted fabric inlays yarn, and can at the knitting width direction of each knitted fabric configuration reinforcing fiber.Be configured with each knitted fabric inlaying yarn along knitting width direction overlapping in the mode that mutual shape is consistent, inlay yarn crossovers on the whole at knitted fabric base material thus, become high strength equally on the whole at knitted fabric base material.In addition, even if on the knitted fabric base material of complicated shape, also the state of inlaying yarn crossovers can be formed as on the whole at knitted fabric base material.
Described yarn of inlaying by existing by line part and the region that forms, a succession of ground of return portion, and becomes the knitted fabric base material of more high strength.
By the region that the coil number at least partially with knitting width direction at described knitted fabric is different on stringer direction, each knitted fabric becomes arbitrary shape.Particularly on stringer direction, by carrying out widening in knitted fabric part, narrow, braiding of turning back etc. and this knitted fabric becomes three-dimensional shape.Even if knitted fabric base material of the present invention is complicated three-dimensional shape, inlaying yarn on the whole at knitted fabric base material and also intersect, is therefore high strength.Particularly also can obtain on large area, inlay yarn becomes a series of three-dimensional shape knitted fabric base material in midway not disjunction.
About fiber-reinforced plastic of the present invention, make use of the easy plan view shapes such as rectangle certainly needless to say, even the arbitrary plan view shape beyond rectangle, three-dimensional shape, also substantially same on the whole at knitted fabric base material is the knitted fabric base material of the present invention of high strength, is therefore high strength on the whole at fiber-reinforced plastic.
Accompanying drawing explanation
In Fig. 1, (A) is the skeleton diagram of the knitted fabric base material shown in embodiment 1, and (B) is the figure of the pattern representing the knitted fabric base material corresponding to (A).
In Fig. 2, (A) is the skeleton diagram of the knitted fabric base material shown in embodiment 2, and (B) is the figure of the pattern representing the knitted fabric base material corresponding to (A).
In Fig. 3, (A) is the skeleton diagram of the knitted fabric base material shown in embodiment 3, and (B) is the figure of the pattern representing the knitted fabric base material corresponding to (A).
In Fig. 4, (A) is the skeleton diagram of the knitted fabric base material shown in embodiment 4, and (B) is the figure of the pattern representing the knitted fabric base material corresponding to (A).
Detailed description of the invention
< embodiment 1>
Below, knitted fabric base material of the present invention and forming method thereof is described.Knitted fabric base material uses straight-bar machines as described later and is formed, but is first described the formation of knitted fabric base material, then, is described the formation method of knitted fabric base material.The knitted fabric base material 1 of the present embodiment shown in Fig. 1 is made up of 2 knitted fabrics 10a, 10b.Each knitted fabric 10a, 10b possess the stocking yarn 60 in formation basal knitted fabric portion and are inserted into basal knitted fabric portion and be made up of reinforcing fiber inlay yarn 70.One of feature of the present invention is, knitted fabric 10a, 10b are overlapping in the mode that the alignment direction of inlaying yarn 70 is mutually different.
[knitted fabric base material]
Knitted fabric base material 1, as shown in Fig. 1 (A), is the plan view shape of isosceles trapezoid, possesses the weft yarn 71 and warp thread 72 that are made up of reinforcing fiber.Weft yarn 71 and warp thread 72 orthogonal.Knitted fabric base material 1 is as shown in Fig. 1 (B), and 2 knitted fabrics 10a, 10b being formed respectively are overlapping in the mode making mutual shape consistent.
(knitted fabric)
In knitted fabric 10a, 10b, inlay yarn 70 and be inserted into the basal knitted fabric portion be made up of stocking yarn 60.The shape of each knitted fabric 10a, 10b is identical, and the alignment direction of inlaying yarn 70 differs 90 °.Herein, if knitted fabric 10a inlay the weft yarn 71 that yarn 70 is knitted fabric base material 1, if knitted fabric 10b inlay the warp thread 72 that yarn 70 is knitted fabric base material 1.
Stocking yarn 60 can utilize reinforcing fiber, nonreinforcement resin fibre etc.As reinforcing fiber, such as carbon fiber, aramid fiber, glass fibre, ultra-high molecular weight polyethylene (concrete example: Dyneema: registration mark) etc. can be enumerated.As nonreinforcement resin fibre, the thermoset resin fibres such as thermoplastic resin fibre, unsaturated polyester ester fiber, phenolic resin fiber, epoxy resin fiber such as such as nylon resin fiber, polyvinyl resin fiber, mylar fiber, acrylic resin fiber, polyether-ether-ketone resin fiber, polyether ketone resin fiber can be enumerated.In addition, the metallic high-strength yarn of bag can also be utilized.As metal material, the yarn of stainless steel, the yarn of aluminum alloy, the yarn etc. of titanium alloys can be enumerated.When knitted fabric base material 1 of the present invention is used in the base material of FRP, by using thermoplastic resin fibre, and utilize the heat melting that is subject in the manufacturing process of FRP, do not retain stocking yarn 60 original shape and can be integrated with the resin of the mother metal as FRP, so preferably.Utilized by knitted fabric base material 1 of the present invention as in the raw-material situation of shellproof-anti-land heart, by using the high-strength yarn comprising reinforcing fiber, metal, basal knitted fabric portion also can become high strength, so preferably.
Inlay yarn 70 to be made up of reinforcing fiber, such as carbon fiber, aramid fiber, glass fibre, ultra-high molecular weight polyethylene (concrete example: Dyneema: registration mark) etc. can be utilized.
Inlay yarn 70 as shown in the enlarged drawing only winning knitted fabric 10a in Fig. 1 (A), in the coil utilizing stocking yarn 60 to be formed, can by being alternately inserted through the front and back (paper is side depth side nearby) of adjacent coil and fixing.About the insertion method inlaying yarn 70, be not limited to the method for this enlarged drawing, and other known methods can be adopted.
Inlay yarn 70 as shown in the enlarged drawing of Fig. 1 (A), if utilize single yarn to form certain line part 70s, then turn back with the return portion 70r on the end, knitting width direction of knitted fabric, the mode forming next line part 70s is crawled configuration.Inlay yarn 70 except solely crawling and being configured to, different yarns also can be utilized to form each line part.Such as, if the circumference of knitted fabric base material 1 is cut into desired shape, then each line part becomes different yarns.
Herein, be set to 90 ° (orthogonal) by the angle formed as the weft yarn 71 and warp thread 72 of inlaying yarn, but by changing the gradient of block pattern 100 with arbitrary angle, make to inlay yarn 70 to insert and carry out knitting and forming to basal knitted fabric portion simultaneously, and the angle desired by the angle formed as the weft yarn 71 and warp thread 72 of inlaying yarn can become 45 ° etc.
Overlapping knitted fabric can be more than 2, and the alignment direction of inlaying yarn 70 at least 2 knitted fabrics is mutually different.Knitted fabric base material 1 utilizes the overlap of knitted fabric 10a, 10b and forms, and therefore basal knitted fabric portion becomes double-deck, has thickness.The number of overlapping knitted fabric more increases, and the thickness of knitted fabric base material is also thicker.
The knitted fabric base material 1 of present embodiment is two-dimensional shapes, but the pattern sticked by knitted fabric base material 1 is such as side, top 11 and following 12 side openings, from following 12 tapered towards front end, top 11 tubular (skirt shape), knitted fabric base material 1 is sticked in the mode being wound in pattern.
Be the plan view shape of isosceles trapezoid for weaving the pattern of the knitted fabric base material 1 of present embodiment, but also can be formed as the pattern that is such as made up of multiple patches of roughly triangular shape, about each patch, make to inlay yarn 70 and insert and carry out braiding of turning back simultaneously.Even if the alignment direction of in this case, inlaying yarn 70 is also different.
Knitted fabric base material 1 shown in Fig. 1 (A) and the block pattern shown in Fig. 1 (B) 100 are skeleton diagram, are illustrated figure in order to the alignment direction of inlaying yarn 70 when easy understand makes knitted fabric 10a, 10b overlapping.In fact, knitted fabric 10a makes 10b overlap, during from top view knitted fabric base material 1, that can see knitted fabric 10b inlays yarn (warp thread 72).
[purposes]
Knitted fabric base material 1 of the present invention suitably can be used in the base material of FRP.In this situation, in knitted fabric base material 1 of the present invention, add hot compression containing resin pickup.In addition, in the stocking yarn 60 of knitted fabric base material 1 containing resin, can by add and at knitted fabric base material 1 impregnation or coating resin, but this add not necessarily.In addition, knitted fabric base material 1 of the present invention suitably can be used in the raw material of shellproof-anti-land heart.
[the formation method of knitted fabric base material]
Above-mentioned knitted fabric base material 1 of the present invention uses straight-bar machines to be obtained by following formation method.In the formation method of knitted fabric base material 1 of the present invention, be used as and weave multiple knitted fabrics 10a, 10b at the common block pattern 100 on the basis of the shape of the knitted fabric of cross machine knitting.In the braiding of knitted fabric, use two needle-bars (also can be four needle-bars) straight-bar machines, it possesses extension in left-right direction and a pair mutually opposing in the longitudinal direction needle-bar, can carry out the barring-on of coil, and the needle-bar of at least one party can be traversing between the needle-bar of front and back.Substantially mainly use either party in 2 needle-bars, just can weave each knitted fabric 10a, 10b.
(block pattern)
The block pattern 100 that present embodiment uses as shown in Fig. 1 (B)-(a), for by top 111, following 112 and the plan view shape of isosceles trapezoid that formed of side 113.The knitted fabric base material 1 of present embodiment 1 is two-dimensional shapes, and therefore the shape of block pattern 100 directly becomes the shape of knitted fabric base material 1.That is, the top 111 of block pattern 100, the top 11 that following 112, side 113 corresponds to knitted fabric base material 1, following 12, side 13.If the direction of the block pattern 100 shown in Fig. 1 (B)-(a) is 0 °.
(operation α)
Corresponding to the block pattern 100 of the shape shown in Fig. 1 (B)-(a), make to inlay yarn 70 and insert and utilize stocking yarn 60 to weave basal knitted fabric portion simultaneously, thus making knit fabric 10a.Multiple horizontal lines in figure are the direction of insertion of inlaying yarn 70.
In the braid method of knitted fabric 10a, on the needle-bar of a side, stocking yarn 60 is first utilized to carry out 1 row braiding.Then, the every barring-on alternately of coil be woven into is made to the needle-bar of opposed the opposing party, to make to inlay yarn 70 and be inserted between two needle-bars.Further, the coil of barring-on is made to restore.Thus, as shown in the enlarged drawing of Fig. 1 (A), can make to inlay yarn 70 and alternately configure in the front and back of adjacent coil.By carrying out new braiding on the coil of this 1 row, the yarn 70 of inlaying inserted can be fixed.Block pattern 100 is isosceles trapezoid shape, and side 113 tilts, and therefore when carrying out new braiding, carries out the braiding based on narrowing.In this condition, make the every barring-on alternately of coil be newly woven into the needle-bar of opposed the opposing party, make to inlay yarn 70 and be inserted between two needle-bars, the coil of barring-on is restored.By repeatedly carrying out this action, multiple horizontal line of the block pattern 100 shown in Fig. 1 (B)-(a) can be corresponded to and configure and inlay yarn 70.In this knitted fabric 10a, following 112 become braiding initial, top 111 become braiding terminate.
(operation β)
As shown in Fig. 1 (B)-(b), make block pattern 100 half-twist.Have rotated the block pattern 100 of 90 ° corresponding to this, in the same manner as the braid method of above-mentioned knitted fabric 10a, make to inlay yarn 70 and insert and utilize stocking yarn 60 to weave basal knitted fabric portion simultaneously, thus making knit fabric 10b.Multiple horizontal lines in figure are the direction of insertion of inlaying yarn 70.Herein, although make block pattern 100 half-twist, the anglec of rotation of this block pattern 100 can set arbitrarily.In this knitted fabric 10b, it is initial that the right corner portion of the side 113 of downside becomes braiding, and the right corner portion of the side 113 of upside becomes braiding and terminates.
(operation γ)
Make knitted fabric 10a overlapping in the mode that mutual shape is consistent with knitted fabric 10b.As shown in Fig. 1 (B)-(c), the block pattern 100 that the braiding of knitted fabric 10a uses differs 90 ° with the block pattern 100 that the braiding of knitted fabric 10b uses, if therefore make two block patterns 100 overlapping, then the direction of insertion of inlaying yarn 70 is orthogonal.Knitted fabric 10a, 10b of being woven into owing to making to correspond to block pattern 100 are overlapping, therefore, in the knitted fabric base material 1 be woven into, inlay yarn 70 and utilize weft yarn 71 and the orthogonal state of warp thread 72 to configure on the whole (Fig. 1 (A)) at knitted fabric base material 1.
< embodiment 2>
In embodiment 1, describe the braid method of the knitted fabric base material 1 of two-dimensional shapes.In embodiment 2, with reference to Fig. 2, the braid method of the knitted fabric base material 2 of 3D shape is described.The knitted fabric base material 2 of embodiment 2, as shown in Fig. 2 (A), possesses the swells 22 that the central portion in rectangular-shaped outer edge 21 bends.The stocking yarn used about each knitted fabric 20a, 20b, inlay yarn, identical with embodiment 1, therefore following the braid method of the knitted fabric base material 2 employing block pattern 200 to be described.
(block pattern)
Block pattern 200 is as shown in Fig. 2 (B)-(a), and the halfbody possessing the shape that trapezoidal greatly and little ladder is formed as one is with the little trapezoidal minor face swells 222 that is border and balanced configuration up and down and the rectangular-shaped outer edge 221 clipping the configuration of this swells 222.This block pattern 200 is the patterns making the knitted fabric base material 2 of 3D shape be launched into two dimension.Therefore, when weaving each knitted fabric 20a, 20b corresponding to this block pattern 200, in Fig. 2 (B), region indicated by the arrow connects and weaves.This connection is the knitted fabric part arranged on row direction or stringer direction for the formation of three-dimensional portion, each knitted fabric part is connected.The outer edge 221 of block pattern 200, swells 222 correspond to outer edge 21, the swells 22 of knitted fabric base material 2.If the direction of the block pattern 200 shown in Fig. 2 (B)-(a) is 0 °.
First, corresponding to the block pattern 200 shown in Fig. 2 (B)-(a), make to inlay yarn 70 and insert and utilize stocking yarn 60 to weave basal knitted fabric portion simultaneously, thus making knit fabric 20a (operation α).In the braiding of knitted fabric 20a, corresponding to block pattern 200, reciprocal knitting is carried out to the outer edge 221 (on the downside of paper) of a side, the coil number utilizing swells 222 to change knitting width direction is turned back simultaneously, then carries out reciprocal knitting to the outer edge 221 (on the upside of paper) of the opposing party.Now, corresponding to the shape of swells 222, after the final row weaving the outer edge 221 (on the downside of paper) of a side terminates, the coil of a part for knitted fabric is made to be hooked in knitting needle and to become the state that braiding is stopped, simultaneously with until the central authorities of swells 222 and mode that knitting width narrows change the position and weaving of turning back.Then, comprise the coil being hooked in the knitting needle becoming halted state, become large mode with knitting width and carry out braiding of turning back.In this knitted fabric 20a, the outer edge 221 on the downside of paper to become braiding below initial, the top of the outer edge 221 on the upside of paper becomes braiding and terminates.
Then, as shown in Fig. 2 (B)-(b), block pattern 200 half-twist is made.Corresponding to the block pattern 200 of this half-twist, make to inlay yarn 70 and insert and utilize stocking yarn 60 to weave basal knitted fabric portion simultaneously, thus making knit fabric 20b (operation β).In the braiding of knitted fabric 20b, corresponding to block pattern 200, weave continuously from a side (on the downside of paper) of two outer edges 221, carry out interior widening at the braiding position of swells 222, braiding is simultaneously used between two outer edges 221, form three-dimensional portion knitted fabric part and swells 222.Carry out weaving until swells 222 central authorities after, corresponding to the shape of swells 222, utilize overlapped stitches (narrowing) to weave in swells 222, utilize narrowing to reduce mutual distance in two outer edges 221 simultaneously, each knitted fabric part is connected.In this knitted fabric 20b, it is initial that the side on the downside of the paper being positioned at two outer edges 221 becomes braiding, and the side on the upside of the paper that two outer edges 221 are opposed becomes braiding and terminates.
Further, make knitted fabric 20a and knitted fabric 20b with the consistent mode overlap (operation γ) of mutual shape.Now, the shape of the swells 22 of each knitted fabric 20a, 20b is also unanimously overlapping.In the knitted fabric base material 2 formed, inlay yarn 70 and utilize weft yarn 71 and the orthogonal state of warp thread 72 to configure on the whole (Fig. 2 (A)) at knitted fabric base material 2.Swells 22 also becomes inlays the orthogonal state of yarn 70.
< embodiment 3>
In embodiment 3, with reference to Fig. 3, the formation method of the knitted fabric base material 3 of other modes of 3D shape is described.The knitted fabric base material 3 of embodiment 3 as shown in Fig. 3 (A), a part (outer edge 31) for rectangular-shaped base material possess circular contraction flow region 32, from the inner edge of this contraction flow region 32 continuously and the cylindrical portion 33 being axis with the direction orthogonal with outer edge 31.About cylindrical portion 33, more leaving contraction flow region 32 more becomes path, upper and lower side opening.The stocking yarn used about each knitted fabric 30a, 30b, inlay yarn, identical with embodiment 1, therefore following the formation method of the knitted fabric base material 3 employing block pattern 300 to be described.
(block pattern)
Block pattern 300 as shown in Fig. 3 (B)-(a), possess 2 cylindrical portion 333 that 3 little trapezoidal modes of aliging on straight line with long limit are respectively arranged, the substantially rectangular shape clipping this cylindrical portion 333 and configuration outer edge 331, on this outer edge 331, correspond to the long limit of cylindrical portion 333 and the contraction flow region 332 that formed at the lateral margin opposed with cylindrical portion 333.This block pattern 300 is the patterns making the knitted fabric base material 3 of 3D shape be launched into two dimension.Therefore, when weaving each knitted fabric 30a, 30b corresponding to this block pattern 300, in Fig. 3 (B), region as shown by arrows connects and weaves.This connection is same with embodiment 2, on row direction or stringer direction, arranges the knitted fabric part for the formation of three-dimensional portion, each knitted fabric part is connected.The outer edge 331 of block pattern 300, contraction flow region 332, cylindrical portion 333 correspond to the outer edge 31 of knitted fabric base material 3, contraction flow region 32, cylindrical portion 33.If the direction of the block pattern 300 shown in Fig. 3 (B)-(a) is 0 °.
The braiding of knitted fabric 30a corresponds to the block pattern 300 shown in Fig. 3 (B)-(a), makes to inlay yarn 70 and inserts and utilize stocking yarn 60 to weave basal knitted fabric portion simultaneously.This braiding order is, first, the rectangular-shaped part that extended line in the outer edge 331 (on the downside of paper) of a side to the border utilized between the middle body of contraction flow region 332 is formed carries out reciprocal knitting, then, weave as outer edge 331 remainder, with either party right-angled trapezium portion, the hypotenuse of contraction flow region 332 left and right that is leg, and then to be turned back braiding respectively in the right-angled trapezium portion of the opposing party.Further, make the coil of the stringer direction terminal of outer edge 331 be classified as halted state, continue with contraction flow region 332 and utilize known narrowing knitted cylindrical portion 333 (on the downside of paper) towards little trapezoidal short brink.When forming each little trapezoidal braiding of cylindrical portion 333, woven by each little trapezoidal joint, making the knitting needle of the coil hook of the both ends, knitting width direction of cylindrical portion 333 (the little trapezoidal left side hypotenuse on the left of paper and the little trapezoidal right side hypotenuse on the right side of paper) is halted state simultaneously.Then, weave towards long side from little trapezoidal short brink in another cylindrical portion 333 (on the upside of paper) arranged opposite.In addition, in order to make the upper end open of the cylindrical portion 33 of knitted fabric base material 3 (Fig. 3 (A)), do not connect between the little trapezoidal minor face of cylindrical portion 333 arranged opposite.Therefore, implement trim ring to the end coil row of the cylindrical portion 333 on the downside of paper, that carries out the cylindrical portion 333 on the upside of paper plays the end.Cylindrical portion 333 on the upside of paper is each little trapezoidal minor faces of continuous weaving, carrying out known widening braiding by under the state of each little trapezoidal joint, also comprising the coil being hooked in the knitting needle being in halted state in the cylindrical portion 333 simultaneously on the downside of paper and change position of turning back and weave.Be connected in the knitting needle of the halted state of the outer edge 331 on the downside of paper, either party right-angled trapezium portion, the left and right that the inclined-plane of the contraction flow region 332 taken up one's knitting on the upside of with paper is leg, braiding of carrying out turning back is connected with the final coil of the cylindrical portion 333 on the upside of paper simultaneously.And then also comprise in the outer edge 331 of the right-angled trapezium portion of the opposing party respectively on the downside of paper the coil being hooked in the knitting needle being in halted state and carry out braiding of turning back, be connected with the final coil of the cylindrical portion 333 on the upside of paper simultaneously.Further, finally reciprocal knitting is carried out to the remaining rectangular-shaped part of outer edge 331.That inlays that yarn 70 also can change into other at the boundary member of a pair cylindrical portion 333 inlays yarn.About knitted fabric 30a, the outer edge 331 on the downside of paper to become braiding below initial, the top of the outer edge 331 on the upside of paper becomes braiding and terminates.
About knitted fabric 30b, corresponding to the block pattern 300 shown in Fig. 3 (B)-(b), continuous weaving from the end side (on the downside of paper) of two outer edges 331, carries out interior widening simultaneously in knitted cylindrical portion 333,331, two outer edge at the braiding position of cylindrical portion 333.In addition, in order to make the upper end open of the cylindrical portion 33 of knitted fabric base material 3 (Fig. 3 (A)), do not connect between the little trapezoidal minor face of cylindrical portion 333 arranged opposite.Carry out weaving until cylindrical portion 333 central authorities after, by narrowing, the distance of two outer edges 331 is reduced, each knitted fabric part is connected.About knitted fabric 30b, it is initial that the side on the downside of the paper being positioned at two outer edges 331 becomes braiding, and the side on the upside of the paper of two outer edges 331 becomes braiding and terminates.
Herein, in knitted fabric base material 3 (Fig. 3 (A)), the upper end open of cylindrical portion 33, but also can be formed as remaining silent have lid shape.In this situation, about block pattern 300, the little trapezoidal minor face of 2 cylindrical portion 333 utilizes not shown lid to connect.
, about knitted fabric base material 3, make knitted fabric 30a, 30b overlapping in the mode that mutual shape is consistent, therefore the shape of cylindrical portion 33 is also unanimously overlapping in embodiment 3 also.Therefore, in knitted fabric base material 30, inlay yarn 70 and utilize weft yarn 71 and the orthogonal state of warp thread 72 to configure on the whole (Fig. 3 (A)) at knitted fabric base material 3.Cylindrical portion 33 also becomes inlays the orthogonal state of yarn 70.
< embodiment 4>
In embodiment 4, with reference to Fig. 4, the method using the block pattern 400 different from embodiment 3 to form the knitted fabric base material 4 of the shape (possess outer edge 41, contraction flow region 42, cylindrical portion 43) identical with embodiment 3 is described.The stocking yarn used about each knitted fabric 40a, 40b, to inlay yarn identical with embodiment 1, is described the formation method of the knitted fabric base material 4 employing block pattern 300 therefore below.
(block pattern)
Block pattern 400, as shown in Fig. 4 (B)-(a), possesses the contraction flow region 442 that 3 little trapezoidal modes of aliging on straight line respectively with long limit and minor face are respectively arranged, the outer edge 441 configured continuously with the long side of this contraction flow region 442, the cylindrical portion 443 that configures continuously with the short brink of contraction flow region 442.This block pattern 400 is the patterns making the knitted fabric base material 4 of 3D shape expand into two dimension.In Fig. 4 (B), block pattern 400, with two-dimensional diagram, therefore only illustrates the first half of actual block pattern 400.That is, the latter half of first half and same shape is present in paper depth side.When weaving each knitted fabric 40a, 40b corresponding to this block pattern 400, in Fig. 4 (B), region indicated by the arrow connects and weaves.This connection is identical with embodiment 2, on row direction or stringer direction, arranges the knitted fabric part for the formation of three-dimensional portion, each knitted fabric part is connected.The outer edge 441 of block pattern 400, contraction flow region 442, cylindrical portion 443 correspond to the outer edge 41 of knitted fabric base material 4, contraction flow region 42, cylindrical portion 43.If the direction of the block pattern 400 shown in Fig. 4 (B)-(a) is 0 °.
The braiding of knitted fabric 40a corresponds to the block pattern 400 shown in Fig. 4 (B)-(a), will inlay yarn 70 and insert and utilize stocking yarn 60 to weave basal knitted fabric portion simultaneously.This braiding order is first, carry out reciprocal knitting individually respectively at front needle-bar and rear needle-bar to each outer edge 441 of first half and latter half.Now, inlay yarn 70 and be inserted into front and back needle-bar individually.The coil column being positioned at the both sides of contraction flow region 442 in the coil column of the stringer direction terminal of each outer edge 441 is bonded with each other with the coil column of opposed needle-bar.Then, carry out narrowing and utilize front needle-bar and rear needle-bar by the tubular of contraction flow region 442 integrated by weaving of first half and latter half simultaneously.Continuously tubular knitted with this, utilize front needle-bar and rear needle-bar by the tubular of cylindrical portion 443 integrated by weaving of first half and latter half.When tubular knitted, inlay yarn 70 and also 70 two, the yarn of respectively inlaying used when the braiding of each outer edge 441 can be inserted together, also can only the yarn 70 of inlaying of a side be inserted.In knitted fabric 40a, the outer edge 441 of first half and latter half to become braiding below initial, the opening edge of cylindrical portion 443 becomes braiding and terminates.
In knitted fabric 40b, corresponding to the block pattern 400 shown in Fig. 4 (B)-(b), respectively by front needle-bar and rear needle-bar braiding first half and each outer edge 441 of latter half, contraction flow region 442, cylindrical portion 443.In the end (on the left of paper) of contraction flow region 442 side of each outer edge 441, the part be not connected with contraction flow region 442 (being positioned at the part of the upper and lower sides of contraction flow region 442) utilizes front needle-bar and rear needle-bar continuous weaving.The part be connected with the contraction flow region 442 of each outer edge 441 at front needle-bar and rear needle-bar separately by outer edge 441 and contraction flow region 442 continuous weaving.Further, in the end (on the left of paper) of cylindrical portion 443 side of contraction flow region 442, contraction flow region 442 is connected with cylindrical portion 443 and weaves simultaneously.About contraction flow region 442, little trapezoidal corresponding to 3, repeatedly carry out making the coil of a part for knitted fabric be hooked in knitting needle and make braiding become halted state to change the step carrying out weaving in position of turning back simultaneously and also comprise the coil that is hooked in the knitting needle becoming halted state and change the step carrying out weaving in position of turning back, adjacent little being trapezoidally connected to each other lower on paper.About cylindrical portion 443, initial for weaving with the side on the downside of paper, weave separately at front needle-bar and rear needle-bar, engage with contraction flow region 442 in the end (on the right side of paper) of contraction flow region 442 side simultaneously.Braiding end on the upside of the braiding initial sum paper of cylindrical portion 443, engages utilizing the knitted fabric of front needle-bar and the braiding of rear needle-bar.The one end (on the right side of paper) in the row direction of contraction flow region 442 is by being connected with outer edge 441 continuous weaving, and the other end (on the left of paper) carries out weaving simultaneously by engaging with cylindrical portion 443 and is connected.About knitted fabric 40b, it is initial that the side be positioned on the downside of paper of the outer edge 441 of first half and latter half becomes braiding, and the side on the upside of the paper of outer edge 441 becomes braiding and terminates.
Herein, in knitted fabric base material 4, the upper end open of cylindrical portion 43, but also can be formed as remaining silent have lid shape.In this situation, about block pattern 400, the lid (not shown) that each cylindrical portion 443 of first half and latter half connects is formed at either party of first half and latter half.Or form each the lid being divided into first half and latter half respectively, respective end coil row are engaged with each other by each lid.
Also, about knitted fabric base material 4, make knitted fabric 40a, 40b overlapping in the mode that mutual shape is consistent, therefore the shape of cylindrical portion 43 is also unanimously overlapping for embodiment 4.Therefore, about knitted fabric base material 40, inlay yarn 70 and utilize weft yarn 71 and the orthogonal state of warp thread 72 to configure on the whole (Fig. 4 (A)) at knitted fabric base material 4.Cylindrical portion 43 also becomes inlays the orthogonal state of yarn 70.
In addition, the present invention is not limited to above-mentioned embodiment, can be suitable for without departing from the spirit and scope of the invention changing and implementing.
[label declaration]
1,2,3,4 knitted fabric base materials
10a, 10b, 20a, 20b, 30a, 30b, 40a, 40b knitted fabric
11 following 13 sides in top 12
21 outer edge 22 swells
31 outer edge 32 contraction flow region 33 cylindrical portion
41 outer edge 42 contraction flow region 43 cylindrical portion
60 stocking yarns
70 inlay yarn 71 weft yarn 72 warp thread
70s line part 70r return portion
100,200,300,400 block patterns
111 following 113 sides in top 112
221 outer edge 222 swells
331 outer edge 332 contraction flow region 333 cylindrical portion
441 outer edge 442 contraction flow region 443 cylindrical portion
Claims (6)
1. a formation method for knitted fabric base material, is the method using straight-bar machines to form knitted fabric base material, it is characterized in that, comprising:
Operation α, corresponding to the block pattern on basis of shape becoming the knitted fabric that utilize cross machine knitting, make the yarn of inlaying be made up of reinforcing fiber utilize stocking yarn to weave basal knitted fabric portion along the insertion of knitting width direction simultaneously, thus make the first knitted fabric shaping;
Operation β, in described block pattern, corresponding to the block pattern in directions different during the braiding be set to from operation α, make the yarn of inlaying be made up of reinforcing fiber utilize stocking yarn to weave basal knitted fabric portion along the insertion of knitting width direction simultaneously, thus make the second knitted fabric shaping; And
Operation γ, makes described first knitted fabric overlapping in the mode that mutual shape is consistent with the second knitted fabric.
2. the formation method of knitted fabric base material according to claim 1, is characterized in that,
In described operation α and described operation β, weave basal knitted fabric portion at least partially in the mode that the coil number in knitting width direction is different on stringer direction.
3. a knitted fabric base material, is the knitted fabric base material be made up of multiple knitted fabric, it is characterized in that,
Each described knitted fabric possess braiding basal knitted fabric portion stocking yarn and be inserted into described basal knitted fabric portion along knitting width direction and be made up of reinforcing fiber inlay yarn,
At least 2 knitted fabrics forming described knitted fabric base material are overlapping in the mode that the alignment direction of inlaying yarn is mutually different.
4. knitted fabric base material according to claim 3, is characterized in that,
The described return portion of inlaying yarn and possessing line part and turning back from this line part in the end, knitting width direction of described knitted fabric and be connected with next line part.
5. the knitted fabric base material according to claim 3 or 4, is characterized in that,
Described knitted fabric this knitted fabric at least partially on possess the coil number in the knitting width direction region different in stringer direction.
6. a fiber-reinforced plastic, possesses the mother metal be made up of resin and the fiber base material strengthened described mother metal, wherein,
Described fiber base material is the knitted fabric base material according to any one of claim 3 ~ 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-002990 | 2013-01-10 | ||
| JP2013002990A JP6084041B2 (en) | 2013-01-10 | 2013-01-10 | Knitted substrate forming method, knitted substrate, and fiber reinforced plastic |
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| Publication Number | Publication Date |
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| CN103924368A CN103924368A (en) | 2014-07-16 |
| CN103924368B true CN103924368B (en) | 2016-01-27 |
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| JP (1) | JP6084041B2 (en) |
| KR (1) | KR101523500B1 (en) |
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| CN106032606A (en) * | 2015-03-17 | 2016-10-19 | 东莞市长立纺织科技有限公司 | Braiding structure of textile fabric and braiding method thereof |
| CN105463677A (en) * | 2015-12-28 | 2016-04-06 | 宝鸡金健数码针纺有限责任公司 | Production process of antistatic kitted fabric |
| JP2017218688A (en) * | 2016-06-07 | 2017-12-14 | 三菱重工業株式会社 | Reinforcing base material for composite material part, composite material part, and method for producing the same |
| FR3065181B1 (en) * | 2017-04-14 | 2020-11-06 | Rt2I | PROCESS FOR MAKING A DRY PREFORM MADE BY KNITTING, PROCESS FOR MANUFACTURING A PRODUCT IN COMPOSITE MATERIALS FROM THE SAID PREFORM |
| CN110485042B (en) * | 2019-08-14 | 2021-02-09 | 江南大学 | Method for converting two-dimensional pattern into three-dimensional full-formed knitted pattern of clothing |
| CN113756000B (en) * | 2021-08-03 | 2022-11-25 | 嘉兴市蒂维时装有限公司 | Knitting method for improving full-forming stripe alternation effect and fabric thereof |
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- 2013-01-10 JP JP2013002990A patent/JP6084041B2/en active Active
- 2013-12-24 KR KR1020130162138A patent/KR101523500B1/en active IP Right Grant
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2014
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103924368A (en) | 2014-07-16 |
| DE102014000153A1 (en) | 2014-07-10 |
| JP2014133960A (en) | 2014-07-24 |
| KR101523500B1 (en) | 2015-05-28 |
| JP6084041B2 (en) | 2017-02-22 |
| KR20140090937A (en) | 2014-07-18 |
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