CN113944002B - Special spindle pole of three-dimensional establishment of carbon fiber - Google Patents
Special spindle pole of three-dimensional establishment of carbon fiber Download PDFInfo
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- CN113944002B CN113944002B CN202111337633.8A CN202111337633A CN113944002B CN 113944002 B CN113944002 B CN 113944002B CN 202111337633 A CN202111337633 A CN 202111337633A CN 113944002 B CN113944002 B CN 113944002B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C3/00—Braiding or lacing machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Abstract
The utility model provides a special spindle blade of three-dimensional establishment of carbon fiber, including yarn spool external member and by the cover locate the inside reel installation axle of yarn spool external member, reel installation axle lower part is equipped with the spout, spout department is connected with broken wire protection device, yarn axle sleeve spare includes yarn spool, yarn axle base, yarn axle brake disc, yarn axle base below is provided with the epaxial reel seat of reel installation, reel seat one side is connected with the spool, spool top is through articulated assembly and the cooperation of yarn axle sleeve spare, including the follow-up subassembly that can follow yarn take out line process relative motion on the spool. The application has the advantages of simple structure, stable tension, smooth wire outgoing, less damage to the carbon fiber yarns when the carbon fiber yarns are drawn out, and unrestricted placement dimension when the special spindle blade for three-dimensional weaving of the carbon fibers is used.
Description
Technical Field
The application relates to the technical field of three-dimensional braiding machinery, in particular to a special spindle blade for three-dimensional braiding of carbon fibers.
Background
The three-dimensional knitting technology is a two-dimensional knitting technology expansion, and the yarn carrier accurately moves on a plane along a predetermined track, so that the yarn is interweaved in a X, Y, Z three-dimensional space to form a three-dimensional knitted fabric. Carbon fiber is widely used because of the advantages of high strength, high modulus, high temperature resistance, corrosion resistance, light weight and the like, is widely applied to the industrial key fields of aviation composite materials, aerospace ablation-resistant composite materials and the like, has the irreplaceable advantage of other chemical fibers, has the trend of replacing metal materials as high-temperature aviation materials, and still has a plurality of difficult points to overcome when being applied to the field of three-dimensional weaving.
For example, carbon fiber reinforced resin matrix composite is a key structural material in the aviation field, the high performance of which depends on a reinforcement skeleton woven by carbon fibers, but when a conventional chemical fiber weaving spindle blade is adopted to weave carbon fiber yarns, the characteristics of high modulus and wear resistance of the carbon fiber yarns can cause difficult wire outgoing of the carbon fiber yarns, fiber damage and even partial breakage, and phenomena of fuzzing (partial breakage of fiber tows) and inconsistent tension occur in the weaving process, so that the carbon fiber yarns can be damaged or partial tows are broken in the weaving process, the structural strength of the composite is greatly reduced, and the reliability of a composite member is seriously affected.
The key component affecting carbon fiber knitting in the three-dimensional knitting technology is a spindle blade, the spindle blade has the function of storing carbon fiber yarns in the using process and releasing and back-drawing yarns according to constant tension, and because the carbon fibers have the width and the friction force is larger, the existing spindle blade releases unstable tension in the knitting process of the carbon fiber yarns, when the tension of the carbon fiber yarns changes, the stress of the carbon fiber yarns is concentrated, so that the damage or partial fracture of the carbon fiber yarns is easily caused, the structural strength of a knitted reinforcement body is greatly affected, the molding difficulty and the processing time of a prefabricated body are increased, and finally the mechanical property of a composite material is affected.
Disclosure of Invention
The application aims to solve the problems of difficult wire outgoing of carbon fiber yarns and easy damage in the weaving process, and provides a special spindle blade for three-dimensional weaving of carbon fibers, which can pay out and draw back the yarns with stable tension.
The embodiment of the application can be realized by the following technical scheme:
the special spindle blade for three-dimensional weaving of carbon fiber comprises a yarn spool sleeve and a yarn wheel mounting shaft sleeved in the yarn spool sleeve, wherein the yarn spool sleeve comprises a yarn spool, a disc-shaped yarn spool base positioned at two ends of the yarn spool and a yarn spool brake disc, a hinging component is detachably arranged on the yarn spool brake disc, a yarn wheel seat fixed on the yarn wheel mounting shaft is arranged below the yarn spool base, one side of the yarn wheel seat is connected with a wire column, the wire column is of a strip-shaped plate structure, the upper end of the wire column is matched with the yarn spool sleeve through the hinging component, the yarn wheel mounting shaft is a hollow pipe body in the interior, the yarn wheel mounting shaft comprises a wire notch arranged at the upper part of the yarn wheel mounting shaft and a chute opposite to the lower part of the yarn wheel mounting shaft, the wire column comprises a wire column parallel to the yarn spool sleeve and vertically upwards, and a follow-up component is detachably arranged on the wire column, and the follow-up component can move along the axial direction of the yarn spool sleeve on the wire column;
the lower part of the wire wheel installation shaft is provided with a broken wire protection device.
Further, the broken wire protection device comprises a visual identification sliding block sleeved outside the sliding groove, a broken wire protection tension spring and a buffer tension spring, wherein the broken wire protection tension spring is accommodated in the wire wheel installation shaft, and yarns are led out of the wire wheel installation shaft through one end of the buffer tension spring;
the broken wire protection tension spring is connected with the buffer tension spring through a connecting pin rod, and the other end of the broken wire protection tension spring is fixed;
the connecting pin rod is radially connected with the visual identification sliding block in a penetrating manner through the sliding groove; under the action of the traction force of the broken wire protection tension spring and the buffering tension spring, the visual identification sliding block can axially move in the sliding groove along with the connecting pin rod to provide visual broken wire signals.
Further, the elastic coefficient of the buffer tension spring is smaller than that of the broken wire protection tension spring.
Further, the follower assembly comprises a slidably displaceable self-adjusting cabling device and a self-adjusting connection module connecting the self-adjusting cabling device to the bottom of the cabling post, the self-adjusting connection module comprising a self-adjusting tension spring;
the self-adjusting cabling arrangement has holes for cabling.
Further, the follow-up assembly further comprises a transverse guide hole which is arranged in the middle of the wiring column body and is arranged along the radial direction of the yarn shaft sleeve piece, and a guide hole is arranged on the transverse guide hole.
Further, the self-adjusting wire feeding device comprises a columnar self-adjusting wire feeding sliding block sleeved on the outer surface of the self-adjusting wire feeding sliding column and a block-shaped sliding block side lug arranged opposite to the yarn shaft sleeve piece;
the slider side ears comprise transverse opening wiring holes which are arranged along the radial direction of the yarn shaft sleeve piece.
Further, the self-adjusting connection module further comprises a protective sleeve of a shell-like structure;
the self-adjusting tension spring is accommodated in the middle of the protective sleeve, and the self-adjusting tension spring is connected to the bottom of the self-adjusting wiring sliding block and the bottom of the wiring column.
Further, the self-adjusting wire walking device comprises a self-adjusting wire walking slider and slider side ears, two side walls of the self-adjusting wire walking slider are sleeved on the outer surface of the self-adjusting wire paying-off sliding column in an opening shape, the wire walking hole is an opening positioned in the middle of the self-adjusting wire walking device, and the opening direction of the wire walking hole is radially arranged along the self-adjusting wire walking device;
the self-adjusting wiring sliding block and the wiring hole jointly form an integrated structure with an X-shaped appearance.
Further, the hinge assembly comprises a hinge frame, wherein the hinge frame is a block body capable of overturning along the axial direction of the wiring column, and the upper part of the hinge frame is provided with an arc-shaped groove body for accommodating yarn sliding;
brake shoes are arranged on two sides of the hinge frame, the brake shoes are gravity modules made of metal materials, and pressing blocks inclining downwards are arranged at the tail ends of the brake shoes.
Further, the hinge assembly further comprises an elastic component, wherein the elastic component is connected between the brake shoe and the surface of the yarn axle brake disc, and the elastic component presses the pressing block to the surface of the yarn axle brake disc by means of elastic deformation of the elastic component.
The special spindle blade for three-dimensional weaving of the carbon fiber provided by the embodiment of the application has at least the following beneficial effects:
(1) The novel wiring column is arranged, the follow-up component is arranged on the wiring column, the follow-up component can carry out follow-up motion according to the outgoing line position of the carbon fiber yarn, bad pulling force generated by fixing the position of the wiring port in the paying-off process of the carbon fiber yarn is reduced, and the novel wiring column has the advantages of reducing the loss of the carbon fiber yarn, saving the cost and the like.
(2) According to the application, the buffer tension spring is arranged in the spool mounting shaft and drives the change of the wire outlet point of the carbon fiber yarn, so that the problem that the carbon fiber yarn is difficult to be led out due to the fact that the wire outlet point is fixed on the spindle blade is avoided, and when the carbon fiber yarn is difficult to be led out, the buffer tension spring ejects the hinge assembly from the grid-shaped surface of the spool brake disc, and the spool brake disc has the advantages of stable wire outlet, difficulty in wire breakage and the like.
(3) The wire wheel mounting shaft is provided with the wire breakage protection device, when the carbon fiber yarn breaks, the buffer tension spring pulled up by the carbon fiber yarn can shrink due to the elasticity of the spring, and meanwhile, the wire breakage protection tension spring also pulls back the buffer tension spring under the action of the elasticity of the spring, at the moment, the hinge assembly is in contact with the grid-shaped surface of the yarn shaft brake disc, the machine stops running, and a user can intuitively obtain wire breakage information through the visual identification sliding block sleeved at the lower part of the mounting shaft, so that the wire breakage protection device has the advantages of being simple in structure, strong in practicability and the like.
(4) The brake shoe of the hinge assembly adopts the gravity module or the elastic module, so that the hinge assembly can limit the pressing block on the grid-shaped surface of the yarn spool brake disc through the action of gravity or the action of elastic force, and the brake shoe has the advantages of being not limited in placement direction and meeting the multi-dimensional use requirement.
Drawings
FIG. 1 is a schematic perspective view of a special ingot rod for three-dimensional braiding of carbon fibers according to a first embodiment of the present application;
FIG. 2 is a schematic front view of a three-dimensional woven carbon fiber spindle blade according to a first embodiment of the present application;
FIG. 3 is a schematic view of a wire break protection device according to the present application;
FIG. 4 is a schematic diagram of a self-adjusting routing device according to an embodiment of the present application;
FIG. 5 is a schematic view of a self-adjusting connection module according to a first embodiment of the present application;
FIG. 6 is a schematic view of a hinge assembly according to a first embodiment of the present application;
FIG. 7 is a schematic view showing a cross-sectional structure of the carbon fiber three-dimensional weaving spindle along the direction A-A in FIG. 2 in the working state of the carbon fiber three-dimensional weaving spindle;
FIG. 8 is a schematic diagram of a follower assembly according to a second embodiment of the present application;
fig. 9 is a schematic structural diagram of a self-adjusting routing device according to a second embodiment of the present application.
Reference numerals in the figures
1-yarn spool kit; 11-bobbins of yarn; 12-yarn shaft base; 13-a yarn shaft brake disc; 2-a wire wheel mounting shaft; 21-wiring notch; 22-sliding grooves; 3-wiring columns; 31-wiring columns; 32-wiring column open grooves; 33-self-adjusting pay-off spool; 34-wiring column mounting holes; 4-self-adjusting wiring device; 41-self-adjusting wiring slide block; 42-slider side ears; 43-wiring holes; 5-wire wheel seat; 6-self-adjusting connection module; 61-protecting sleeve; 62-self-adjusting tension springs; 7-a broken wire protection device; 71-visually recognizing the slider; 72-connecting the pin rod; 73-breaking wire to protect the tension spring; 74-a buffer tension spring; 75-wire springs; 8-a hinge assembly; 81-hinging frame; 82-brake shoes; 83-briquetting; 9-guiding eyes; 10-carbon fiber yarn.
Detailed Description
The present application will be further described below based on preferred embodiments with reference to the accompanying drawings.
In addition, various components on the drawings have been enlarged (thick) or reduced (thin) for ease of understanding, but this is not intended to limit the scope of the application.
The singular forms also include the plural and vice versa.
In the description of the embodiments of the present application, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the product of the present application is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, in the description of the present application, terms first, second, etc. are used herein for distinguishing between different elements, but not limited to the order of manufacture, and should not be construed as indicating or implying any relative importance, as such may be different in terms of its detailed description and claims.
The terminology used in the description presented herein is for the purpose of describing embodiments of the application and is not intended to be limiting of the application. It should also be noted that unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be connected mechanically, directly or indirectly through an intermediate medium, and can be communicated internally. The foregoing will be particularly understood by those skilled in the art to which the application pertains.
Example 1
Fig. 1 is a schematic perspective view of a special spindle rod for three-dimensional weaving of carbon fibers in this embodiment, fig. 2 is a schematic front view of a special spindle rod for three-dimensional weaving of carbon fibers in this embodiment, as shown in fig. 1 and fig. 2, a special spindle rod for three-dimensional weaving of carbon fibers includes a yarn spool set 1, the yarn spool set 1 is a hollow shaft body in the interior, a spool mounting shaft 2 is sleeved in the shaft body and is used for winding yarns and paying out, and in the paying-out process, the yarn spool set 1 radially rotates with the spool mounting shaft 2 as the center.
Specifically, the yarn spool assembly 1 includes a yarn spool 11, a yarn spool base 12, and a yarn spool brake disc 13, the yarn spool 11 is a cylindrical tube, and the yarn spool base 12 and the yarn spool brake disc 13 are disc-shaped end surfaces located at two ends of the yarn spool 11, and are used for winding yarn on the outer surface of the yarn spool 11.
In some embodiments, it is conceivable that the yarn axle 11, the yarn axle seat 12, the yarn axle brake disc 13 may be provided as a detachable split structure for easy detachment and installation.
The yarn spool installation shaft 2 is a tube body accommodated in the yarn spool sleeve 1, a yarn breakage protection device 7 is arranged at the lower part of the yarn spool installation shaft 2, the yarn breakage protection device 7 comprises a buffer tension spring 74 and a yarn breakage protection tension spring 73, and the buffer tension spring 74 and the yarn breakage protection tension spring 73 are accommodated in the tube body of the yarn spool installation shaft 2 and used for stabilizing tension when pulling yarns to be pulled and discharged.
Specifically, the reel installation shaft 2 is a hollow tube body, two ends of the tube body are open, and an open wiring groove opening 21 is formed in the side wall of the upper portion of the installation shaft 2 and is used as an inlet and outlet for drawing and discharging yarns.
The lower part of the wire wheel installation shaft 2 also comprises a sliding groove 22 which is arranged in opposite directions, and the sliding groove 22 is an axial hole groove which radially penetrates through the lower part of the installation shaft body 21 and is used for placing the wire breakage protection device 7 and can axially slide along the sliding groove 22. The wire breakage protection device 7 comprises a visual identification sliding block 71 sleeved outside the sliding groove 22 and a connecting pin 72 penetrating through the sliding groove 22 and axially sliding, as shown in fig. 3, fig. 3 is a schematic diagram of the wire breakage protection device of the present application, and the connecting pin 72 is connected with the visual identification sliding block 71 in a penetrating manner along the radial direction of the visual identification sliding block 71, so that the visual identification sliding block 71 is fixed at the connecting pin 72, and is used for visually checking the winding and unwinding condition of the yarn in the tube body of the wire reel installation shaft 2 through the visual identification sliding block 71.
In some embodiments, since the special spindle rod for three-dimensional braiding of carbon fiber of the present application needs to be applied to the horizontal type three-dimensional braiding apparatus of the composite material preform, when a number of springs are provided on the connecting pin 72, the springs cannot move to the lower portion of the reel mounting shaft 2 by using the conventional gravity mode, and thus a wire breakage protection tension spring 73 is added in the present embodiment.
Specifically, the connecting pin 72 is sleeved with a buffer tension spring 74 and a broken wire protection tension spring 73, the elastic coefficient of the buffer tension spring 74 is smaller than that of the broken wire protection tension spring 73, the buffer tension spring 74 and the broken wire protection tension spring 73 are accommodated in the reel mounting shaft 2 through the connecting pin 72, yarns are led out from the reel mounting shaft 2 through one end of the buffer tension spring 74, the other end of the broken wire protection tension spring 73 is fixed and used for continuously stretching the buffer tension spring 74 to move along with the yarn traction process under the action of self elasticity in the yarn drawing process, and the tension is regulated to be stable.
One end of the buffer tension spring 74 comprises a wire spring 75 for accommodating yarn to pass through, and the wire spring 75 is a pull ring axially arranged along the wire wheel mounting shaft 2 and is used for accommodating yarn to be pulled to pass through by one end of the buffer tension spring 74.
In the working state, the buffer tension spring 74 can axially stretch to the top along with the yarn along the reel mounting shaft 2, the broken wire protection tension spring 73 is limited by the chute 22, the broken wire protection tension spring 73 is in the lower part of the reel mounting shaft 2 for carrying out the follow-up stretching, and the buffer tension spring 74 and the broken wire protection tension spring 73 can be mutually matched in the yarn drawing and releasing process, so that stable tension is provided for drawing and releasing the yarn.
The elastic coefficient of the buffer tension spring 74 is smaller than that of the broken wire protection tension spring 73, when the yarn breaks, the resilience force of the broken wire protection tension spring 73 is larger than that of the buffer tension spring 74, so that the broken wire protection tension spring 73 pulls the buffer tension spring to move towards the bottom of the wire wheel mounting shaft 2, and further, the broken wire protection device 7 slides to the bottom of the sliding groove 22 to provide a visual broken wire signal.
The lower part of the wire wheel installation shaft 2 is provided with a wire wheel seat 5, the wire wheel seat 5 is a U-shaped clamp, the wire wheel seat 5 is positioned below the yarn shaft base 12, and the opening end of the U-shaped wire wheel seat 5 is detachably fixed on the outer surface of the wire wheel installation shaft body 2 through mutually matched bolts and screws, and is used for fixedly sleeving the surface of the wire wheel installation shaft 2 to form a stable fixing piece and a stable connecting piece.
The opposite side of the open end of the wire wheel seat 5 is provided with a connecting hole, the connecting hole of the wire wheel seat 5 is connected with a wire column 3 through mutually matched screws, the wire column 3 is of a strip-shaped plate structure, the wire column 3 comprises a wire column 31 which is parallel to the wire spool sleeve 1 and vertically upwards, and the wire column 31 is detachably provided with a follow-up assembly.
The follower assembly comprises a slidably displaceable self-adjusting cabling arrangement 4, the self-adjusting cabling arrangement 4 having a hole for cabling;
the follower assembly further comprises a guide eye 9 and a self-adjusting connection module 6 connecting the self-adjusting cabling arrangement 4 to the bottom of the cabling post 3, the self-adjusting connection module 6 comprising a telescopic elastic member.
Specifically, walk line post 31 is bar platy structure, walk line post 31 middle part be equipped with along the radial transverse guide hole that sets up of yarn axle sleeve spare 1 is equipped with pilot hole 9 on the transverse guide hole, pilot hole 9 is made by ceramic material or polytetrafluoroethylene etc. material, and frictional force is little for more smooth when the yarn passes through, difficult breaking.
The utility model discloses a self-adjusting wire feeding device, including walking the spool 31, walk spool opening groove 32 for being located walk spool 31 lower part's "window" structure, make walk spool 31 lower part is the fretwork form, the middle part position of spool opening groove 32 includes the self-adjusting unwrapping wire post 33 that the axial set up, self-adjusting unwrapping wire post 33 is for being located walk the structure of the middle part department in spool opening groove 32, self-adjusting unwrapping wire post 33 is the column, walk spool 31, walk spool opening groove 32, self-adjusting unwrapping wire post 33 and constitute "river" word column structure jointly for do the sliding carrier of self-adjusting wire feeding device 4.
The self-adjusting wire feeding device 4 is a sliding displacement module sleeved on the surface of the self-adjusting wire feeding sliding column 33 and is used for performing movement in the wire feeding process along the axial direction of the self-adjusting wire feeding sliding column 33 according to the yarn position.
Fig. 4 is a schematic structural diagram of a self-adjusting wire routing device 4 in this embodiment, as shown in fig. 4, the self-adjusting wire routing device 4 includes a self-adjusting wire routing slider 41 with a columnar structure and a block-shaped slider side lug 42 opposite to the yarn shaft sleeve member 1, the self-adjusting wire routing slider 41 is sleeved on the outer surface of the self-adjusting wire routing slide column 33, the slider side lug 42 includes a transverse opening wire routing hole 43 radially arranged along the yarn shaft sleeve member 1, the opening direction of the wire routing hole 43 is consistent with the winding direction of the yarn, and in the wire routing process, the self-adjusting wire routing slider 41 can slide on the self-adjusting wire routing slide column 33 according to the yarn position, so as to reduce the bad tension of the yarn.
Fig. 5 is a schematic structural diagram of a self-adjusting connection module 6 in this embodiment, as shown in fig. 5, a self-adjusting connection module 6 is disposed between the bottom of the self-adjusting wiring device 4 and the bottom of the wiring column 3, the self-adjusting connection module 6 includes a protective sleeve 61 with a shell structure and a self-adjusting tension spring 62 with an elastic component structure, the protective sleeve 61 is sleeved on the bottom of the wiring column 3, and the self-adjusting tension spring 62 is accommodated in the middle of the protective sleeve 61.
Specifically, the self-adjusting tension spring 62 is a spring elastic component, the self-adjusting tension spring 62 is sleeved outside the self-adjusting pay-off spool 33 and is accommodated in the middle of the protective sleeve 61, and the self-adjusting tension spring 62 is fixedly connected to the bottom of the wire spool 3 and the bottom of the self-adjusting wire sliding block 41, so that when the self-adjusting wire device 4 moves along with yarns, the self-adjusting connection module 6 pulls the self-adjusting wire device 4 to move, and the self-adjusting wire device 4 is more stable to follow.
The lower end of the wiring column 3 further comprises a wiring column mounting hole 34, and the wiring column mounting hole 34 is a mounting hole corresponding to the connecting hole of the wire wheel seat 5 and is used for connecting the wiring column 3 with the wire wheel mounting shaft 2 through the wire wheel seat 5.
The upper end of the wiring column 3 is connected with a hinge assembly 8 through a hinge, and the wiring column 3 is matched with the yarn shaft sleeve 1 through the hinge assembly 8 and used for controlling yarn drawing and discharging to be stable.
Specifically, fig. 6 is a schematic structural diagram of the hinge assembly 8 in this embodiment, as shown in fig. 6, the hinge assembly 8 includes a hinge frame 81, the hinge frame 81 is a block capable of turning along the axial direction of the wire column 3, and an arc-shaped slot body for accommodating yarn sliding is provided at the upper part of the hinge frame 81;
the two sides of the hinge frame 81 are provided with brake shoes 82, the brake shoes 82 are gravity modules made of metal materials, and the tail ends of the brake shoes 82 are provided with downward-inclined pressing blocks 83 which are used for pressing the pressing blocks 83 down to the surface of the yarn shaft brake disc 13 by means of the gravity of the brake shoes 82.
Alternatively, the brake shoe 82 may also be provided with an elastic component, where the elastic component is connected between the brake shoe 82 and the surface of the yarn axle brake disc 13, and the elastic component includes a spring, that is, the elastic component presses the pressing block 83 against the surface of the yarn axle brake disc 13 by means of elastic deformation of the elastic component, so that the placing direction of the special spindle blade for three-dimensional braiding in the use process is not limited, and the multi-dimensional use requirements such as horizontal placement and the like can be met.
In some embodiments, the yarn axle brake disc 13 has an uneven grid-like surface, and the grid-like surface of the yarn axle brake disc 13 cooperates with the hinge assembly 8 for controlling the movement of the yarn axle sleeve member 1, and the paying-off is stable.
The application has simple structure and can be manufactured by adopting methods such as 3D printing, injection molding, metal processing and the like.
Fig. 7 is a schematic view of a cross-sectional structure along A-A in fig. 2 in a working state of the three-dimensional weaving spindle for carbon fiber according to this embodiment, and the working principle of the present application is described in detail below with reference to fig. 7:
when the yarn winding device is used, the lower end of the yarn winding wheel installation shaft 2 is connected with a three-dimensional braiding machine, the yarn shaft sleeve piece 1 wound with carbon fiber yarns 10 is sleeved outside the yarn winding wheel installation shaft 2 by the upper end of the yarn winding wheel installation shaft 2, the hinge assembly 8 is turned over, and the pressing blocks 83 of the hinge assembly 8 are buckled on the grid-shaped surface of the yarn winding shaft brake disc 13 under the action of the brake shoes 82. The carbon fiber yarn 10 wound on the surface of the yarn shaft 11 is led out from the yarn shaft sleeve member 1, the carbon fiber yarn 10 enters the inside of the yarn wheel mounting shaft 2 through the follow-up assembly and extends downwards to pass through the wire spring 75, the carbon fiber yarn 10 passing through the wire spring 75 extends upwards reversely to the yarn wheel mounting shaft 2, and the three-dimensional braiding machine performs braiding work by using the carbon fiber yarn 10 extending from the top of the yarn wheel mounting shaft 2.
In the weaving process, the buffer tension spring 74 in the reel installation shaft 2 is in mutual traction with the carbon fiber yarn 10 through the wiring spring 75, the buffer tension spring 74 drives the change of the wire outlet point of the carbon fiber yarn 10, and when the wire outlet of the carbon fiber yarn 10 is difficult, the buffer tension spring 74 ejects the hinge assembly 8 from the grid-shaped surface of the yarn shaft brake disc 13 of the yarn shaft brake disc, so that the carbon fiber yarn 10 is prevented from being broken due to the fact that the wire outlet point is fixed and the wire outlet is difficult.
The lower part of the wire wheel mounting shaft 2 is provided with a broken wire protection tension spring 73, and the elastic coefficient of the broken wire protection tension spring 73 is larger than that of the buffer tension spring 74, so that the broken wire protection tension spring 73 pulls the buffer tension spring 74 to continuously reciprocate up and down under the action of elasticity, and the tension of the carbon fiber yarn 10 is relatively stable in the drawing and paying-off process, and the yarn is not easy to take off; the wiring column 3 is provided with a follow-up component, the follow-up component can carry out follow-up motion according to the outlet position of the carbon fiber yarn 10, the friction force of the carbon fiber yarn 10 is reduced, and the drawing and paying-off process is smoother.
When the carbon fiber yarn 10 is discharged and broken, the buffer tension spring 74 pulled up by the carbon fiber yarn 10 is contracted due to the elasticity of the spring, meanwhile, the broken wire protection tension spring 73 also pulls back the buffer tension spring 74 under the action of the elasticity, at this time, the hinge assembly 8 is in contact with the grid-shaped surface of the yarn shaft brake disc 13, the three-dimensional braiding machine stops running, the visual identification sliding block 71 falls into the bottom of the sliding groove 22, and a user can intuitively obtain broken wire information through the position of the visual identification sliding block 71.
Example two
Fig. 8 is a schematic structural diagram of a follower assembly in this embodiment, as shown in fig. 8, and the structure of this embodiment is similar to that of the first embodiment, except that the follower device has a different structure, and the middle portion of the wire post 3 has no transverse guide hole radially arranged along the yarn shaft sleeve member 1, i.e. the follower assembly does not include a guide hole 9.
The follower assembly comprises a slidably displaceable self-adjusting cabling arrangement 4 and a self-adjusting connection module 6 connecting the self-adjusting cabling arrangement 4 to the bottom of the cabling post 3, the self-adjusting connection module 6 comprising a self-adjusting tension spring 62, and the self-adjusting cabling arrangement 4 having a hole for cabling.
Specifically, the wire column open slot 32 is located the "window" structure of wire column 31 lower part, makes wire column 31 lower part is the fretwork form, wire column open slot 32 middle part position includes the self-interacting unwrapping wire post 33 of axial setting, self-interacting unwrapping wire post 33 is the column, self-interacting unwrapping wire post 33 quantity is two, self-interacting unwrapping wire post 33 locates respectively the both sides department in the wire column open slot 32, wire column 31 walk wire column open slot 32 self-interacting unwrapping wire post 33 constitutes "four" word column structure jointly for do the sliding carrier of self-interacting wire device 4.
The self-adjusting wire-feeding device 4 is a sliding displacement module sleeved on the surface of the self-adjusting wire-feeding sliding column 33, and is used for enabling the self-adjusting wire-feeding device 4 to axially move along the self-adjusting wire-feeding sliding column 33 according to the yarn position in the wire-feeding process.
Fig. 9 is a schematic structural diagram of a self-adjusting wire feeding device 4 in this embodiment, as shown in fig. 9, the self-adjusting wire feeding device 4 includes a self-adjusting wire feeding slider 41 and a wire feeding hole 43, two side walls of the self-adjusting wire feeding slider 41 are sleeved on the outer surface of the self-adjusting wire feeding slide post 33 in an opening shape, the wire feeding hole 43 is located in the middle opening of the self-adjusting wire feeding device 4, the opening direction of the wire feeding hole 43 is along the radial direction of the self-adjusting wire feeding device 4, the self-adjusting wire feeding slider 41 and the wire feeding hole 43 together form an integral structure with an X-shaped appearance for accommodating yarns to pass through, and the self-adjusting wire feeding device 4 can move axially along the self-adjusting wire feeding slide post 33 according to the positions of the yarns.
Self-adjusting connection module 6 is arranged between the bottom of the self-adjusting wiring device 4 and the bottom of the wiring column 3, the self-adjusting connection module 6 comprises a self-adjusting tension spring 62, the self-adjusting tension spring is a spring elastic component, the self-adjusting tension spring 62 is located in the middle of the opening groove 32 of the wiring column, the self-adjusting connection module 6 is axially arranged along the self-adjusting paying-off sliding column 33, two ends of the self-adjusting connection module 6 are respectively fixed between the wiring column 3 and the self-adjusting wiring sliding block 41, and the self-adjusting connection module 6 is used for dragging the self-adjusting wiring device 4 to move when the self-adjusting wiring device 4 moves along with yarns, so that the self-adjusting wiring device 4 is more stable to follow-up.
While the foregoing is directed to embodiments of the present application, other and further embodiments of the application may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (8)
1. The utility model provides a special spindle blade of three-dimensional establishment of carbon fiber, includes yarn spool external member and is located the inside reel installation axle of yarn spool external member by the cover, yarn spool installation axle includes yarn spool and is located yarn spool both ends discoid yarn spool base, yarn spool brake disc, detachably is provided with hinge assembly on the yarn spool brake disc, yarn spool base below is provided with and is fixed in epaxial reel seat of reel installation, reel seat one side is connected with the line post, the line post is bar platy structure, line post upper end cooperates with yarn spool installation spare through hinge assembly, reel installation axle is inside hollow body, reel installation axle is including locating the line notch of going up on reel installation axle upper portion and being the spout that the opposite direction was located reel installation axle lower part, its characterized in that:
the yarn feeding device comprises a yarn shaft sleeve piece, a yarn feeding column and a yarn feeding device, wherein the yarn feeding column comprises a yarn feeding column body which is parallel to the yarn shaft sleeve piece and vertically upwards, a follow-up assembly is detachably arranged on the yarn feeding column body, and the follow-up assembly can move on the yarn feeding column body along the axial direction of the yarn shaft sleeve piece;
the lower part of the wire wheel mounting shaft is provided with a wire breakage protection device, the wire breakage protection device comprises a visual identification sliding block, a wire breakage protection tension spring, a buffer tension spring and a connecting pin rod, the wire breakage protection tension spring and the connecting pin rod are contained in the wire wheel mounting shaft and axially slide through a sliding groove, and the visual identification sliding block is sleeved outside the sliding groove through the connecting pin rod;
the elastic coefficient of the buffer tension spring is smaller than that of the broken wire protection tension spring, and yarns are led out of the reel installation shaft through one end of the buffer tension spring;
the broken wire protection tension spring is connected with the buffer tension spring through a connecting pin rod, and the other end of the broken wire protection tension spring is fixed;
the connecting pin rod is radially connected with the visual identification sliding block in a penetrating manner through the sliding groove, and under the traction action of the broken wire protection tension spring and the buffer tension spring, the visual identification sliding block can axially move in the sliding groove along with the connecting pin rod to provide visual broken wire signals.
2. The special spindle blade for three-dimensional weaving of carbon fibers according to claim 1, wherein the special spindle blade comprises the following components:
the follow-up assembly comprises a self-adjusting wiring device capable of sliding and shifting and a self-adjusting connection module for connecting the self-adjusting wiring device to the bottom of the wiring column, and the self-adjusting connection module comprises a self-adjusting tension spring;
the self-adjusting cabling arrangement has holes for cabling.
3. A carbon fiber three-dimensional braiding special spindle blade as claimed in claim 2, wherein:
the follow-up assembly further comprises a transverse guide hole which is arranged in the middle of the wiring column body and is arranged along the radial direction of the yarn shaft sleeve piece, and a guide hole is formed in the transverse guide hole.
4. A carbon fiber three-dimensional braiding special spindle blade as claimed in claim 2, wherein:
the lower part of the wiring column body is provided with a wiring column opening groove, the wiring column opening groove is of a window-shaped structure positioned at the lower part of the wiring column body, so that the lower part of the wiring column body is hollow, and the middle part of the wiring column opening groove comprises an axially arranged self-adjusting paying-off sliding column;
the self-adjusting wire-feeding device comprises a columnar self-adjusting wire-feeding sliding block sleeved on the outer surface of the self-adjusting wire-feeding sliding column and a block-shaped sliding block side lug arranged opposite to the yarn shaft sleeve piece;
the slider side ears comprise transverse opening wiring holes which are arranged along the radial direction of the yarn shaft sleeve piece.
5. The special spindle blade for three-dimensional weaving of carbon fibers according to claim 4, wherein the special spindle blade comprises the following components:
the self-adjusting connection module further comprises a protective sleeve with a shell-like structure;
the self-adjusting tension spring is accommodated in the middle of the protective sleeve, and the self-adjusting tension spring is connected to the bottom of the self-adjusting wiring sliding block and the bottom of the wiring column.
6. A carbon fiber three-dimensional braiding special spindle blade as claimed in claim 2, wherein:
the lower part of the wiring column body is provided with a wiring column opening groove, the wiring column opening groove is of a window-shaped structure positioned at the lower part of the wiring column body, so that the lower part of the wiring column body is hollow, and the middle part of the wiring column opening groove comprises an axially arranged self-adjusting paying-off sliding column;
the self-adjusting wire feeding device comprises a self-adjusting wire feeding sliding block and sliding block side lugs, two side walls of the self-adjusting wire feeding sliding block are sleeved on the outer surface of the self-adjusting wire feeding sliding column in an opening shape, the wire feeding hole is an opening positioned in the middle of the self-adjusting wire feeding device, and the opening direction of the wire feeding hole is radially arranged along the self-adjusting wire feeding device;
the self-adjusting wiring sliding block and the wiring hole jointly form an integrated structure with an X-shaped appearance.
7. The special spindle blade for three-dimensional weaving of carbon fibers according to claim 1, wherein the special spindle blade comprises the following components:
the hinge assembly comprises a hinge frame, the hinge frame is a block body capable of overturning along the axial direction of the wiring column, and the upper part of the hinge frame is provided with an arc-shaped groove body for accommodating yarn sliding;
brake shoes are arranged on two sides of the hinge frame, the brake shoes are gravity modules made of metal materials, and pressing blocks inclining downwards are arranged at the tail ends of the brake shoes.
8. The special spindle blade for three-dimensional weaving of carbon fibers according to claim 7, wherein the special spindle blade comprises the following components:
the hinge assembly further comprises an elastic component, wherein the elastic component is connected between the brake shoe and the surface of the yarn shaft brake disc, and the elastic component is used for pressing the pressing block to the surface of the yarn shaft brake disc by means of elastic deformation of the elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337633.8A CN113944002B (en) | 2021-11-10 | 2021-11-10 | Special spindle pole of three-dimensional establishment of carbon fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337633.8A CN113944002B (en) | 2021-11-10 | 2021-11-10 | Special spindle pole of three-dimensional establishment of carbon fiber |
Publications (2)
| Publication Number | Publication Date |
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| CN113944002A CN113944002A (en) | 2022-01-18 |
| CN113944002B true CN113944002B (en) | 2023-09-08 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1373783A (en) * | 1963-08-19 | 1964-10-02 | Spindle improvements for braiding machines | |
| US4292879A (en) * | 1980-05-12 | 1981-10-06 | Kokubun Inc. | Hook assembly for spring tension carrier in braiding machine |
| CN2663471Y (en) * | 2003-11-22 | 2004-12-15 | 梁贤军 | Special-purpose spindle for outer plexiform layer of knitted hose |
| JP2008248458A (en) * | 2007-03-30 | 2008-10-16 | Tochigi Prefecture | Yarn feeder for torchon lace machine |
| CN112726012B (en) * | 2020-12-26 | 2022-02-11 | 哈尔滨工业大学（威海） | Special spindle blade for ceramic fiber weaving |
-
2021
- 2021-11-10 CN CN202111337633.8A patent/CN113944002B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 基于粒子群优化算法的碳纤维纱线用编织锭子结构参数的优化;杨晓东;孙志军;杜诚杰;叶超;;毛纺科技(09);第12-21页 * |
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