CN118065035B - Flat-laying bidirectional carbon fiber cloth weaving equipment and method - Google Patents
Flat-laying bidirectional carbon fiber cloth weaving equipment and methodInfo
- Publication number
- CN118065035B CN118065035B CN202410337185.9A CN202410337185A CN118065035B CN 118065035 B CN118065035 B CN 118065035B CN 202410337185 A CN202410337185 A CN 202410337185A CN 118065035 B CN118065035 B CN 118065035B
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- Prior art keywords
- weft
- carbon fiber
- warp
- rapier
- glass fiber
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
- D03D47/18—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick two weft inserters meeting at or near the middle of the shed and transferring the weft from one to the other
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/27—Drive or guide mechanisms for weft inserting
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/12—Controlling warp tension by means other than let-off mechanisms
- D03D49/16—Warp supplied by creel
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention provides a flat-laid bidirectional carbon fiber cloth weaving device, which comprises a double-rapier loom and a bobbin cradle, wherein the double-rapier loom is provided with warp beam, a heald frame, a reed, an upper rapier, a lower rapier, a glass fiber weft feeding mechanism and a winding mechanism, and is structurally characterized by further comprising a carbon fiber weft feeding mechanism for feeding weft carbon fiber tows to the double-rapier loom in a flat and rollover-free manner, and a tension combination roller frame which is arranged between the bobbin cradle and the double-rapier loom and is used for increasing and unifying tension of each warp carbon fiber tow to enable each warp carbon fiber tow to pass through the reed in a non-telescopic manner so as to weave, and the weaving method comprises warp tow preparation, weft tow preparation and ready picking, beating-up and winding weaving; the lower rapier and the upper rapier in the picking process adopt an alternate picking mode instead of the existing mode of picking together. The invention can be used for weaving the flat smooth high-quality bidirectional carbon fiber cloth without the broken filaments, and solves the technical problem that the broken filaments of the carbon fiber cloth woven by the prior art are not high in quality.
Description
Technical Field
The invention relates to the technical field of industrial cloth weaving, in particular to a flat bidirectional carbon fiber cloth weaving device and method.
Background
The carbon fiber cloth has corresponding excellent performance after various corresponding post treatments, and is widely applied. In order to be suitable for different applications, the structure of the carbon fiber cloth is also continuously innovated, patent documents such as application publication number CN102418188A, grant publication number CN206953704U and the like relate to carbon fiber cloth with different structures, and patent document such as application publication number CN102912523A relates to the structure of the carbon fiber cloth and the application thereof. At present, the weaving equipment of the carbon fiber cloth is mainly formed by taking a double-rapier loom (such as an imported multi-denier rapier loom) as a basis and adding a plurality of auxiliary components according to different structures of the carbon fiber cloth, wherein the double-rapier loom mainly comprises warp let-off mechanisms, opening mechanisms, picking mechanisms, beating-up mechanisms, reeling mechanisms and the like, the warp let-off mechanisms comprise warp beams and creels, warp beam warp yarns in weaving adopt radial unwinding and creel warp yarns in axial unwinding modes for let-off, all warp yarns penetrate into harness holes in opening parts for opening, picking mechanisms pick up weft yarns by rapiers in picking up weft yarns fed by weft feeders of the loom for picking up, and reeling parts rotate by cloth reeling rollers of the loom according to weft density.
Because the carbon fiber tows are flat wires, the high-quality carbon fiber cloth woven by the carbon fiber tows is particularly a bidirectional carbon fiber cloth, the carbon fiber flat tows are flat and smooth without broken filaments on the cloth surface, and once the flat wires of the carbon fiber cloth turn over and broken filaments appear, various technical indexes of the carbon fiber cloth material after post treatment can be greatly discounted. However, in the existing equipment and weaving method for weaving carbon fiber cloth, because carbon fiber yarns in the warp direction are axially unwound from a bobbin creel and rotate and turn sideways in the weaving process, all warp yarns need to be lifted up and down through heddles to form openings to allow weft yarns to pass through and are subjected to intense beating by a reed, and the phenomenon that flat yarns turn sideways to generate fuzzing is unavoidable, and the carbon fiber yarns which are flat in the weft direction are output from a weft accumulator and overlap and turn sideways to generate fuzzing is also existed, the quality of the woven carbon fiber cloth is seriously influenced, and the technical performance of a product processed by taking the carbon fiber cloth as a matrix through post treatment is further influenced. Therefore, the improvement on the prior two-way carbon fiber cloth weaving equipment and the weaving method is a technical problem which needs to be solved in the industry.
Disclosure of Invention
The invention aims to provide improved weaving equipment for flat bidirectional carbon fiber cloth and a weaving method for weaving flat smooth high-quality bidirectional carbon fiber cloth without broken filaments by using the equipment, and solves the technical problem that the broken filaments of the carbon fiber cloth woven by the existing equipment and method are generally low in quality.
The technical scheme is that the flat bidirectional carbon fiber cloth weaving equipment comprises a double-rapier loom and a bobbin cradle, wherein the double-rapier loom is provided with warp beam, heald frame, reed, upper rapier, lower rapier, weft feeding mechanism and winding mechanism, the weft feeding mechanism of the double-rapier loom is reserved with a set of glass fiber weft feeding mechanism, the upper rapier is provided with an upper weft receiving rapier and an upper weft feeding rapier, and the lower rapier is provided with a lower weft receiving rapier and a lower weft feeding rapier.
The carbon fiber weft feeding mechanism comprises a support, a carbon fiber weft bobbin, a directional fixed-length disc, a first tension wheel and a second tension wheel, wherein the carbon fiber weft bobbin is rotatably and detachably arranged on the support and winds weft carbon fiber tows, the directional fixed-length disc is actively rotatably arranged on the support and used for pulling the weft carbon fiber tows to move, the first tension wheel and the second tension wheel are actively rotatably arranged on the support and respectively arranged on two sides below the directional fixed-length disc and used for lifting tension of the weft carbon fiber tows and changing the moving direction, and when the carbon fiber weft feeding mechanism is used, the weft carbon fiber tows are unwound from the carbon fiber weft bobbin along the radial direction and then sequentially pass through the first tension wheel, the directional fixed-length disc and the second tension wheel and are fed into a jaw of a lower weft feeding sword of a double-rapier loom.
The further scheme is that in the working process, the directional fixed-length disc of the carbon fiber weft feeding mechanism rotates for one circle, and the length of the weft carbon fiber tows sent out by the carbon fiber weft feeding mechanism is the length required by the reed width plus the slitter edge of the woven flat bidirectional carbon fiber cloth.
The carbon fiber warp-wise bobbins fully loaded with the warp-wise carbon fiber tows are rotated in the radial direction during operation, so that the warp-wise carbon fiber tows are unwound in the radial direction.
The carbon fiber warp-direction tube is characterized in that two bearings are respectively arranged on two sides of the carbon fiber warp-direction tube, and the carbon fiber warp-direction tube is rotatably connected with a tube mounting rod through the two bearings.
The tension combined roller frame comprises a frame body and a plurality of tension rollers arranged on the frame body, wherein the tension rollers comprise a driving roller and a driven roller.
The damping tension roller is characterized in that the outer periphery of the damping tension roller is coated with polyurethane glue.
The glass fiber weft feeding mechanism comprises a mounting frame, a glass fiber weft bobbin which is rotatably and detachably arranged on the mounting frame and winds weft glass fiber yarns, and a weft accumulator which is arranged on the mounting frame and is used for outputting the weft glass fiber yarns, wherein when the weft accumulator is used, the weft glass fiber yarns are fed into the double-rapier loom after moving.
The flat bidirectional carbon fiber cloth weaving method is implemented by adopting the flat bidirectional carbon fiber cloth weaving equipment and comprises the following steps of:
First, warp tows are prepared:
① Warping the glass fiber on a warp beam of a double-rapier loom;
② Each warp-wise glass fiber yarn sequentially penetrates into harness yarn holes of the harness frames one by one and then is pulled to a reed;
③ Mounting each carbon fiber warp bobbin on a bobbin creel, unwinding warp carbon fiber tows from each carbon fiber warp bobbin along the radial direction, directly dragging the carbon fiber tows to a reed between an upper rapier and a lower rapier after passing through a tension combination roller frame and avoiding healds of a heald frame, arranging the warp carbon fiber tows and the warp glass fiber tows one by one according to one ratio, and then sequentially inserting one warp glass fiber and one warp carbon fiber tow into the same reed dent of the reed, and repeating the steps until all the warp fiber tows are prepared;
secondly, preparing weft tows:
① A glass fiber weft bobbin provided by a glass fiber weft feeding mechanism is arranged on a mounting frame provided by the glass fiber weft feeding mechanism, and weft glass fiber yarns unwound from the glass fiber weft bobbin are fed into a jaw provided by an upper weft feeding rapier of an upper rapier through a weft accumulator provided by the glass fiber weft feeding mechanism;
② Arranging a carbon fiber weft bobbin arranged in a carbon fiber weft feeding mechanism on a bracket arranged in the carbon fiber weft feeding mechanism, sequentially passing weft carbon fiber tows unwound from the carbon fiber weft bobbin in a radial motion manner through a first tensioning wheel, a directional fixed-length disc and a second tensioning wheel arranged in the carbon fiber weft feeding mechanism, and then feeding the weft carbon fiber tows into a jaw of a lower weft feeding rapier of a lower rapier to finish weft yarn preparation action;
thirdly, picking, beating-up and reeling weaving:
All warp-wise carbon fiber tows move forwards from back to top without moving up and down, warp-wise glass fiber tows are sunk downwards by a heald frame, weft-wise carbon fiber tows are sent to the middle of a weaving gate by a lower weft sending sword of a lower rapier to be connected with a lower weft receiving sword in openings formed on the lower side of the warp-wise carbon fiber tows and the upper side of the warp-wise glass fiber tows, and the weft-wise carbon fiber tows are pulled to the selvedge at the other end of the weaving by the lower weft receiving sword and clamped by a slitter edge, and then beaten up for weaving;
The second shuttle is used for lifting the warp glass fiber upwards by the heald frame, sending the weft glass fiber to the middle of the weaving gate by the upper weft feeding sword of the upper rapier in an opening formed between the lower side of the warp glass fiber and the upper side of the warp carbon fiber, connecting the weft glass fiber with the upper weft receiving sword, dragging the weft glass fiber to the other selvedge of the weaving end by the upper weft receiving sword, clamping the weft glass fiber by the slitter edge, and beating up for weaving;
And repeating the actions of the first shuttle and the second shuttle to circularly weave, and continuously coiling the woven flat bidirectional carbon fiber cloth by a coiling mechanism of the double-rapier loom according to the weft density process requirement.
The weaving equipment for the flat bidirectional carbon fiber cloth has the advantages that (1) the weaving equipment for the flat bidirectional carbon fiber cloth is based on the existing double-rapier loom, and the improvement design such as a bobbin structure comprising a bobbin frame improved in the warp direction and a tension combined roller frame additionally arranged is adopted, and a carbon fiber weft feeding mechanism comprising a directional fixed-length disc is additionally arranged in the weft direction, so that the weaving equipment can be used for weaving high-quality carbon fiber cloth without side turning and hairline, and the equipment change is easy to realize on the basis of the existing equipment and the improvement cost is low. (2) The weaving method of the flat bidirectional carbon fiber cloth is relatively simple due to the fact that flat weaving is adopted, warp carbon fiber tows unwind from a carbon fiber warp bobbin of a bobbin creel in the radial direction rather than the axial direction as in the prior art in the weaving process, flat carbon fiber tows cannot roll over due to the fact that no axial rotation motion exists, the unwound warp carbon fiber tows uniformly pass through a front beam of a direct loom from reed teeth of a reed through tension combination roller frame tension, do forward motion in the motion process, do not penetrate into heald holes as in the prior art, do not move up and down, accordingly warp carbon fiber tows cannot roll up the wool yarn laterally in the whole weaving process, weft carbon fiber tows are unwound from a carbon fiber weft bobbin in the radial direction in the flat direction and are wound by a lower rapier of a double rapier loom, weft carbon fiber tows cannot roll up sideways due to the fact that the lower rapier and the upper rapier uniformly pass through a front beam of the reed, warp carbon fiber tows cannot roll up in the weft direction due to the fact that the weft carbon fiber tows are easy to roll up, and the warp carbon fiber tows cannot roll down in the warp direction are firmly woven together due to the fact that the warp carbon fiber tows are easy to the fact that the weft carbon fiber tows are rolled down in the warp carbon fiber weft winding device is rolled down in the warp direction, and the warp carbon fiber is not rolled down in the warp carbon fiber winding mode of the glass fiber is firm in the warp winding method and the glass fiber is not rolled down in the warp to the weft weaving method. The flat bidirectional carbon fiber cloth woven by the invention has the advantages of no side turning, no wool, uniform tension, ultra-thin and firm physical index and no loss, and a user can conveniently use the flat bidirectional carbon fiber cloth as a base material for post-treatment such as resin on molding, etc. so as to manufacture the required application material.
Drawings
FIG. 1 is a schematic view of a partial structure of a tiled bi-directional carbon fiber cloth woven by the present invention;
FIG. 2 is a schematic structural view of the weaving apparatus and weaving process of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
The reference numerals in the above figures are as follows:
the double-rapier loom 1, warp beam 11, heald frame 12, reed 13, upper rapier 14, upper weft insertion rapier 14-1, upper weft feeding rapier 14-2, lower rapier 15, lower weft insertion rapier 15-1, lower weft feeding rapier 15-2, glass fiber weft feeding mechanism 16, mounting frame 16-1, glass fiber weft bobbin 16-2 and weft accumulator 16-3;
the device comprises a carbon fiber weft feeding mechanism 2, a bracket 21, a carbon fiber weft bobbin 22, a directional fixed-length disc 23, a first tensioning wheel 24 and a second tensioning wheel 25;
a creel 3, a bobbin mounting bar 31, a carbon fiber warp bobbin 32;
A tension combination roller frame 4, a frame body 41 and a tension roller 42;
the two-way carbon fiber cloth 5, warp carbon fiber tows 51, warp glass fiber tows 52, weft carbon fiber tows 53 and weft glass fiber tows 54 are laid flat.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1, a tiled bidirectional carbon fiber cloth 5 woven by the tiled bidirectional carbon fiber cloth weaving device and method according to the embodiment is formed by arranging warp carbon fiber tows 51 and warp glass fiber yarns 52 in parallel according to a proportion of one to one, arranging weft carbon fiber tows 53 and weft glass fiber yarns 54 in parallel according to a proportion of one to one, tiling warp carbon fiber tows 51 and weft carbon fiber tows 53 in warp and weft, and interweaving warp glass fiber yarns 52 and weft glass fiber yarns 54 in warp and weft.
Referring to fig. 2 and 3, the bi-directional carbon fiber cloth weaving device for flat spreading of the present embodiment mainly comprises a double rapier loom 1, a carbon fiber weft feeding mechanism 2, a bobbin cradle 3 and a tension combination roller cradle 4.
The double rapier loom 1 is a commercially available piece. The double-rapier loom 1 comprises a warp beam 11, a heald frame 12, a reed 13, an upper rapier 14, a lower rapier 15, two weft feeders and a winding mechanism, wherein the upper rapier 14 comprises an upper weft receiving rapier 14-1 and an upper weft receiving rapier 14-2, the lower rapier 15 comprises a lower weft receiving rapier 15-1 and a lower weft receiving rapier 15-2, only one weft feeder is reserved for the two weft feeders of the double-rapier loom 1 as a glass fiber weft feeder 16, and the removed weft feeders are replaced by specially-developed carbon fiber weft feeders 2.
The glass fiber weft feeding mechanism 16 mainly comprises a mounting frame 16-1, a glass fiber weft bobbin 16-2 rotatably and detachably arranged on the mounting frame 16-1 and wound with weft glass fiber yarns 54, and a weft accumulator 16-3 arranged on the mounting frame 16-1 and used for outputting the weft glass fiber yarns 54, wherein the glass fiber weft feeding mechanism 16 is in the prior art, and the specific structure and the working principle thereof are not repeated. In use, after movement of the accumulator 16-3, the weft glass filaments 54 are fed into the jaws provided on the upper weft feeding rapier 14-2 of the upper rapier 14 of the double rapier loom 1.
The carbon fiber weft feeding mechanism 2 mainly comprises a bracket 21, a carbon fiber weft bobbin 22 which is rotatably and detachably arranged on the bracket 21 and is wound with weft carbon fiber tows 53, a directional fixed-length disc 23 which is actively rotatably arranged on the bracket 21 and is used for pulling the weft carbon fiber tows 53 to move, and a first tensioning wheel 24 and a second tensioning wheel 25 which are actively rotatably arranged on the bracket 21 and are respectively arranged on two sides below the directional fixed-length disc 23 and are used for improving the tension of the weft carbon fiber tows 53 and changing the moving direction. In use, the flat weft carbon fiber tow 53 is unwound from the carbon fiber weft bobbin 22 in the radial direction and then sequentially passes through the first tensioning wheel 24, the directional fixed-length disc 23 and the second tensioning wheel 25, and is fed into the jaw of the lower weft gripper 15-2 of the lower gripper 15 of the double-gripper loom 1. The carbon fiber weft feeder 2 adopts the structure, so that the defects of the weft feeder comprising a weft accumulator in the prior art can be overcome, and the weft carbon fiber tows 53 are ensured to move flat without side turning and without broken filaments in the weaving process for the double rapier loom 1 to pull and weave. Preferably, in the working process, the length of the weft carbon fiber tows 53 sent out by the carbon fiber weft feeding mechanism 2 by one rotation of the directional fixed-length disc 23 is the length required by the reed width plus the slitter edge of the woven flat bidirectional carbon fiber cloth 5.
The creel 3 is provided with a plurality of bobbin mounting bars 31, and the carbon fiber warp bobbins 32 are rotatably provided on the bobbin mounting bars 31 in the radial direction. During operation, the carbon fiber warp bobbins 32 fully loaded with the warp carbon fiber tows 51 rotate in the radial direction, so that the warp carbon fiber tows 51 unwind in the radial direction, and the problems that the warp carbon fiber tows 51 unwind in the axial direction of the bobbins in the prior art can rotate and turn over are solved. Preferably, two bearings are provided on each side of each carbon fiber warp bobbin 32, and each carbon fiber warp bobbin 32 is rotatably connected to a bobbin mounting rod 31 by two bearings.
The tension combination roller frame 4 is a specially added component of the invention, and the tension combination roller frame 4 is arranged between the bobbin cradle 3 and the double rapier loom 1 and is used for enabling each warp carbon fiber yarn bundle 51 to increase and unify tension, so that each warp carbon fiber yarn bundle 51 smoothly passes through a reed without stretching so as to be woven. As a specific implementation manner, the tension combination roller frame 4 is composed of a frame body 41 and a plurality of (e.g. 6) tension rollers 42 arranged on the frame body 1, wherein the tension rollers 42 comprise a driving roller and a driven roller, and preferably, each tension roller 42 is a damping tension roller with polyurethane glue coated on the periphery.
It can be seen from the foregoing that the weaving device for flat-laid bidirectional carbon fiber cloth in this embodiment is based on the existing double rapier loom, and by including a bobbin structure for improving a bobbin cradle in the warp direction and an additional tension combined roller cradle, the weft direction is additionally provided with an improved design of a specially designed carbon fiber weft feeding mechanism including a directional fixed-length disc, so that the weaving device of the present invention can weave high-quality carbon fiber cloth without rollover and hairline, and the modification of the device is easy to be realized on the existing basis and the improvement cost is not high.
The method for weaving the tiled bidirectional carbon fiber cloth is implemented by adopting the tiled bidirectional carbon fiber cloth weaving equipment and comprises the following steps:
First, warp tows are prepared, and the specific operation is as follows:
① Warping the glass fiber yarn 52 on the warp beam 11 of the double rapier loom 1;
② Each warp glass fiber yarn 52 sequentially penetrates into heald holes of the heald frame 12 of the double-rapier loom 1 one by one and then is pulled to the reed 13 of the double-rapier loom 1;
③ The warp carbon fiber yarn bundles 51 are unwound from the carbon fiber warp bobbins 32 along the radial direction, passed through the tension combining roller frame 4 and kept away from the heald wires, and then directly pulled to the reed 13 between the upper rapier 14 and the lower rapier 15 of the double rapier loom 1, the warp carbon fiber yarn bundles 51 and the warp glass fiber yarn 52 are arranged in a one-to-one arrangement, and then the adjacent warp glass fiber yarn 52 and warp carbon fiber yarn bundle 51 are sequentially inserted into the same reed tooth of the reed 13, and the process is repeated until all the warp yarn bundles are prepared.
Secondly, preparing weft tows, wherein the specific operation is as follows:
① The glass fiber weft bobbin 16-2 of the glass fiber weft feeding mechanism 16 is arranged on the mounting frame 16-1, and weft glass fiber yarns 54 unreeled from the glass fiber weft bobbin 16-2 are fed into the jaw of the upper weft feeding rapier 14-2 of the upper rapier 14 of the double rapier loom 1 through the weft accumulator 16-3;
② The carbon fiber weft bobbin 22 of the carbon fiber weft feeding mechanism 2 is arranged on the bracket 21, and weft carbon fiber tows 53 which are unwound from the carbon fiber weft bobbin 22 in a radial motion pass through the first tensioning wheel 24, the directional fixed-length disc 23 and the second tensioning wheel 25 in sequence and then are fed into the jaws of the lower weft feeding rapier 15-2 of the lower rapier 15 of the double rapier loom 1, so that weft yarn preparation action is completed.
Thirdly, picking, beating-up and reeling weaving:
A first shuttle, wherein all warp carbon fiber tows 51 move forwards from back to forth without moving up and down, warp glass fiber tows 52 are sunk downwards by a heald frame 12, weft carbon fiber tows 53 are sent to the middle of a weaving gate by a lower weft feeding sword 15-2 of a lower rapier 15 to be intersected with a lower weft receiving sword 15-1 in openings formed on the lower side of the warp carbon fiber tows 51 and the upper side of the warp glass fiber tows 52, and the weft carbon fiber tows 53 are pulled to the other end selvedge of the weaving and clamped by a waste selvedge by the lower weft receiving sword 15-1 and then beaten up for weaving;
a second shuttle, wherein all warp carbon fiber tows 51 move back and forth without moving up and down, warp glass fiber tows 52 are lifted upwards by a heald frame 12, weft glass fiber tows 54 are sent to the middle of a weaving gate by an upper weft feeding sword 14-2 of an upper rapier 14 to be connected with an upper weft receiving sword 14-1, and weft glass fiber tows 54 are pulled by the upper weft receiving sword 14-1 to move to the other cloth edge of the woven end and clamped by a waste edge, and then beaten up for weaving, thus one unit weaving of the tiled bidirectional carbon fiber cloth 5 is completed;
the actions of the first shuttle and the second shuttle are repeated to circularly weave, and the winding mechanism of the double rapier loom 1 continuously winds the woven flat bidirectional carbon fiber cloth 5 according to the weft density process requirement according to the prior art method.
As can be seen from the foregoing, the weaving method of the tiled bidirectional carbon fiber cloth according to the present embodiment adopts the tiled weaving, so that the weaving method is relatively simple, warp carbon fiber bundles 51 are unwound from the carbon fiber warp bobbins 32 of the bobbin creel 3 in the radial direction instead of the axial direction as in the prior art, the flat carbon fiber bundles 51 are not turned over due to no axial rotation movement, the unwound warp carbon fiber bundles 51 uniformly pass through the front beam of the direct loom from the reed teeth of the reed 13 through the tension combination roller frame tension, move forward in the movement, do not penetrate into the heald holes as in the prior art, and do not move up and down, so that the warp carbon fiber bundles 51 do not turn up the wool in the whole weaving process, the weft carbon fiber bundles 53 are unwound from the carbon fiber weft bobbins 22 in the radial direction and are wound up by the lower rapier 15 of the double rapier loom 1 after being wound up by the fixed-length directional fixed-length carrier 23, the weft carbon fiber bundles 53 are not rolled up by the side of the lower rapier 15, the weft carbon fiber bundles 15 are wound up by the lower rapier gripper 14 and the weft carbon fiber bundles 53 are not wound up by the weft fixed-length carrier, and the weft carbon fiber bundles are not rolled up by the weft gripper 16 and the weft carbon fiber carrier 3 in the warp carrier warp carbon fiber carrier winding method. The flat bidirectional carbon fiber cloth 5 woven by the invention and shown in figure 1 has the advantages of no side turning, no broken filaments, uniform tension, ultra-thin and firm performance, no loss of physical indexes, and the user can conveniently use the cloth as a base material for post-treatment such as resin on modeling, etc. so as to manufacture the required application material.
The above embodiments are illustrative of the specific embodiments of the present invention, and not restrictive, and various changes and modifications may be made by those skilled in the relevant art without departing from the spirit and scope of the invention, and all such equivalent technical solutions are intended to be included in the scope of the invention.
Claims (2)
1. The flat-laid bi-directional carbon fiber cloth weaving device comprises a double-rapier loom and a bobbin cradle, wherein the double-rapier loom is provided with warp beam, heald frames, a reed, an upper rapier, a lower rapier, a glass fiber weft feeding mechanism and a coiling mechanism, the upper rapier is provided with an upper weft receiving rapier and an upper weft feeding rapier, and the lower rapier is provided with a lower weft receiving rapier and a lower weft feeding rapier;
the carbon fiber weft feeding mechanism comprises a bracket, a carbon fiber weft bobbin, a directional fixed-length disc, a first tension wheel and a second tension wheel, wherein the carbon fiber weft bobbin is rotatably and detachably arranged on the bracket and is wound with weft carbon fiber tows, the directional fixed-length disc is actively rotatably arranged on the bracket and is used for pulling the weft carbon fiber tows to move, the first tension wheel and the second tension wheel are actively rotatably arranged on the bracket and are respectively arranged on two sides below the directional fixed-length disc and are used for lifting tension of the weft carbon fiber tows and changing the moving direction;
in the working process, the directional fixed-length disc of the carbon fiber weft feeding mechanism rotates for one circle, and the length of the weft carbon fiber tows sent out by the carbon fiber weft feeding mechanism is the length required by the reed width plus the slitter edge of the woven tiled bidirectional carbon fiber cloth;
When the machine is in operation, the carbon fiber warp bobbins fully loaded with warp carbon fiber tows rotate along the radial direction, so that the warp carbon fiber tows are unwound along the radial direction;
two sides of the carbon fiber warp-direction tube are respectively provided with a bearing, and the carbon fiber warp-direction tube is rotatably connected with a tube mounting rod through the two bearings;
the tension combined roller frame comprises a frame body and a plurality of tension rollers arranged on the frame body, wherein each tension roller comprises a driving roller and a driven roller;
The tension roller is a damping tension roller with polyurethane glue coated on the periphery;
the glass fiber weft feeding mechanism comprises a mounting frame, a glass fiber weft bobbin which is rotatably and detachably arranged on the mounting frame and is wound with weft glass fiber yarns, and a weft accumulator which is arranged on the mounting frame and is used for outputting the weft glass fiber yarns, wherein when the weft accumulator is used, the weft glass fiber yarns are fed into the double-rapier loom after moving.
2. A weaving method of a tiled bidirectional carbon fiber cloth is characterized by being implemented by adopting the tiled bidirectional carbon fiber cloth weaving equipment as claimed in claim 1, and comprises the following steps:
First, warp tows are prepared:
① Warping the glass fiber on a warp beam of a double-rapier loom;
② Each warp-wise glass fiber yarn sequentially penetrates into harness yarn holes of the harness frames one by one and then is pulled to a reed;
③ Mounting each carbon fiber warp bobbin on a bobbin creel, unwinding warp carbon fiber tows from each carbon fiber warp bobbin along the radial direction, directly dragging the carbon fiber tows to a reed between an upper rapier and a lower rapier after passing through a tension combination roller frame and avoiding healds of a heald frame, arranging the warp carbon fiber tows and the warp glass fiber tows one by one according to one ratio, and then sequentially inserting one warp glass fiber and one warp carbon fiber tow into the same reed dent of the reed, and repeating the steps until all the warp fiber tows are prepared;
secondly, preparing weft tows:
① A glass fiber weft bobbin provided by a glass fiber weft feeding mechanism is arranged on a mounting frame provided by the glass fiber weft feeding mechanism, and weft glass fiber yarns unwound from the glass fiber weft bobbin are fed into a jaw provided by an upper weft feeding rapier of an upper rapier through a weft accumulator provided by the glass fiber weft feeding mechanism;
② Arranging a carbon fiber weft bobbin arranged in a carbon fiber weft feeding mechanism on a bracket arranged in the carbon fiber weft feeding mechanism, sequentially passing weft carbon fiber tows unwound from the carbon fiber weft bobbin in a radial motion manner through a first tensioning wheel, a directional fixed-length disc and a second tensioning wheel arranged in the carbon fiber weft feeding mechanism, and then feeding the weft carbon fiber tows into a jaw of a lower weft feeding rapier of a lower rapier to finish weft yarn preparation action;
thirdly, picking, beating-up and reeling weaving:
All warp-wise carbon fiber tows move forwards from back to top without moving up and down, warp-wise glass fiber tows are sunk downwards by a heald frame, weft-wise carbon fiber tows are sent to the middle of a weaving gate by a lower weft sending sword of a lower rapier to be connected with a lower weft receiving sword in openings formed on the lower side of the warp-wise carbon fiber tows and the upper side of the warp-wise glass fiber tows, and the weft-wise carbon fiber tows are pulled to the selvedge at the other end of the weaving by the lower weft receiving sword and clamped by a slitter edge, and then beaten up for weaving;
The second shuttle is used for lifting the warp glass fiber upwards by the heald frame, sending the weft glass fiber to the middle of the weaving gate by the upper weft feeding sword of the upper rapier in an opening formed between the lower side of the warp glass fiber and the upper side of the warp carbon fiber, connecting the weft glass fiber with the upper weft receiving sword, dragging the weft glass fiber to the other selvedge of the weaving end by the upper weft receiving sword, clamping the weft glass fiber by the slitter edge, and beating up for weaving;
And repeating the actions of the first shuttle and the second shuttle to circularly weave, and continuously coiling the tiled bidirectional carbon fiber cloth woven according to the technological weft density by a coiling mechanism of the double-rapier loom.
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| JP2002013040A (en) * | 2000-06-27 | 2002-01-18 | Toray Ind Inc | Carbon fiber reinforcing woven fabric, wet prepreg using this woven fabric, and method for producing the same |
| CN102418200A (en) * | 2010-09-27 | 2012-04-18 | 江苏澳盛复合材料科技有限公司 | Carbon fiber cloth weaving machine |
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| EP0450120A1 (en) * | 1990-04-04 | 1991-10-09 | N.V. Michel Van de Wiele | Method and device for the leno binding of the side edges of a double fabric being woven in a double gripper loom |
| BE1012269A3 (en) * | 1998-11-06 | 2000-08-01 | Wiele Michel Van De Nv | METHOD FOR MANUFACTURING A TISSUE RIBS WITH STRUCTURE AND TISSUE produced by that process. |
| CN201158735Y (en) * | 2007-01-19 | 2008-12-03 | 陆宗埜 | Dual rapier loom |
| JP5185682B2 (en) * | 2008-04-22 | 2013-04-17 | サカイ・コンポジット株式会社 | Method and apparatus for producing flat yarn fabric |
| CN202466083U (en) * | 2012-03-12 | 2012-10-03 | 天津海天长丰科技开发有限公司 | Carbon fiber cloth loom |
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| JP2002013040A (en) * | 2000-06-27 | 2002-01-18 | Toray Ind Inc | Carbon fiber reinforcing woven fabric, wet prepreg using this woven fabric, and method for producing the same |
| CN102418200A (en) * | 2010-09-27 | 2012-04-18 | 江苏澳盛复合材料科技有限公司 | Carbon fiber cloth weaving machine |
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