CN101736518A - Rotary braiding machine - Google Patents
Rotary braiding machine Download PDFInfo
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- CN101736518A CN101736518A CN200810226422A CN200810226422A CN101736518A CN 101736518 A CN101736518 A CN 101736518A CN 200810226422 A CN200810226422 A CN 200810226422A CN 200810226422 A CN200810226422 A CN 200810226422A CN 101736518 A CN101736518 A CN 101736518A
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Abstract
The invention provides a rotary braiding machine, comprising a drive assembly, a reversing assembly and a yarn-carrying seat, the drive assembly comprises yarn-carrying disks which are arranged in lines and rows and are rotated simultaneously, the yarn-carrying seat is connected with a yarn-braiding spindle and moves ahead under the drive of the yarn-carrying disks, the reversing assembly comprises moveable partition plates arranged among the lines and rows of the yarn-carrying disks and fixed partition plates arranged on the peripheries of the lines and rows of yarn-carrying disks, at least two rail edges are formed on each moveable partition plate, each moveable partition plate rotates intermittently to form the inner movement locus of the yarn-carrying seat, and fixed rails are arranged on the fixed partition plates to form the automatic retracing movement locus of the yarn-carrying seat on an edge. Therefore, the movement path of a yarn-carrying device can be reliably controlled on a predetermined path so as to reduce the failure rate of the braiding machine, and simultaneously, being matched with special external assemblies, the rotary braiding machine can realize the continuous braiding of a preformed assembly with a needed section shape, thereby increasing the working efficiency and reducing the cost.
Description
Technical field
The present invention relates to a kind of braiding machine that weaves three-dimensional preforms, particularly a kind of rotary braiding machine.
Background technology
At present, in the three dimensional knitting method, two step method, four step rule and rotary process are arranged typically, and wherein rotary process have can synchronous operated advantage, so production efficiency height is that braiding is fastest in the existing 3 D weaving, but it is many that its shortcoming is a moving component, and the control difficulty is big.
As shown in Figure 1, it is the mesa structure schematic diagram of disclosed a kind of rotary braiding machine in the U.S. Pat 6439096, each is taken 91 four of the drives of yarn dish and takes yarn feeding device 92 rotations, every motion 90 degree need stop, drive switching mechanism by accurate control, adjacent yarn feeding device 92 rotations 180 degree of taking on the yarn dish 91 of taking are exchanged, take then yarn dish 91 rotate again 90 the degree stop, switching mechanism rotates 180 degree with the adjacent yarn feeding device of taking on the yarn dish 91 92 of taking again, by that analogy, make that taking yarn feeding device 92 advances according to predefined paths, knits out required cross sectional shape on table top.Use this patented method, only need to change the control program of switching mechanism, just can change the motion path of taking yarn feeding device 92 easily.Yet its weak point is: control system complexity, precision, with high costs, and because every motion 90 degree need stop overturns, operating efficiency reduces greatly, and each switching mechanism all will be drawn control circuit, along with the increase of mesa dimensions, implementing difficulty increases.
In addition, use the track plate of solid shape to guide in addition and take the rotary braiding machine that yarn feeding device advances, because described track plate fixed in shape, also will increase reversing arrangement and control device taking yarn feeding device motor decussation point place, structure is also very complicated.
In view of the foregoing, the present invention has designed a kind of rotary braiding machine, by its unique Mechanical Driven commutation assembly that is provided with, the motion path of taking yarn feeding device is controlled on the predefined paths reliably, to reduce the fault rate of braiding machine.Cooperate special external module simultaneously, can realize the not intermittently running braiding continuously of required cross sectional shape preform, can increase work efficiency, and reduce cost.
Summary of the invention
At the deficiencies in the prior art, the objective of the invention is to: a kind of rotary braiding machine is provided, and braiding three-dimensional preforms continuously can not turn round with resting.
Another object of the present invention is to: a kind of rotary braiding machine is provided,, the motion path of taking yarn feeding device is controlled on the predefined paths reliably,, increase work efficiency to reduce the fault rate of braiding machine by its unique inverting module that is provided with.
The present invention also aims to: a kind of rotary braiding machine is provided, form the braiding table top with modular shape, be convenient to adjust combined shaped and the size that weaves table top, knit out the 3 D weaving preform of square-section, circular cross-section or any compound section according to the cross sectional shape and the size of assembling-disassembling.
For achieving the above object, the technical solution used in the present invention is:
A kind of rotary braiding machine, it is characterized in that: comprise driven unit, assembly and take the yarn seat commutates, described driven unit comprise that determinant is arranged and rotation synchronously take the yarn dish, the described yarn seat of taking is connected with the spindle of knitting yarn, and under the described drive of taking the yarn dish, advance, described commutation assembly is arranged on to be taken on the path that the yarn seat advances, and does not stop to adjust the direction of advance of taking the yarn seat.
In the preferable technical scheme: described commutation assembly comprises and is arranged on the sideboard taken between the yarn dish ranks and is arranged on the fixed dam of taking yarn dish ranks periphery, form at least two track limits on each sideboard, and each sideboard is that intermittently rotate in the axle center with a reversing shaft perpendicular to its plate face, described track limit is combined to form the internal motion track of taking the yarn seat, described fixed dam is provided with trapped orbit, forms to take the yarn seat and arrive that taking turns back behind the yarn dish ranks edge automatically takes the movement locus of yarn dish ranks inside.
In the preferable technical scheme: at least two track limits of moulding all are concave arcs on the described sideboard, described concave arc is combined to form the curvilinear motion track of taking the yarn seat, and the trapped orbit on the described fixed dam is the imploded arcs limit that is molded on the fixed dam.
In the preferable technical scheme: at least two track limits of moulding all are rectilinear orbit grooves on the described sideboard, described rectilinear orbit groove is combined to form the straight-line trajectory of taking the yarn seat, and the trapped orbit on the described fixed dam is the arc track groove that is molded on the fixed dam.
In the preferable technical scheme: described reversing shaft is hollow, can pass for axial yarn.
In the preferable technical scheme: be fixed with a sheave on the described reversing shaft, be the right-angled intersection shape on the sheave and offer four chutes, the described yarn dish of taking is provided with central shaft, then be fixed with shift fork and limiting plate on the every central shaft, stirring pin and can embed in the respective slide slots of described sheave on the shift fork together rotated to drive reversing shaft and baffle plate, and described limiting plate outer rim is provided with two outer chimbs, described outer chimb can with the corresponding engaging of described sheave outer rim, rotate to stop sheave.
In the preferable technical scheme: described take the yarn dish comprise be that determinant arranges in take the yarn dish and be arranged in take the outer yarn dish of taking of yarn dish outside, taking the yarn dish in described is that rotate in the axle center with its central shaft that axially is provided with, the described outer yarn dish of taking is that rotate in the axle center with its outer shaft that axially is provided with, described central shaft is hollow, can pass for axial yarn; Described outer take the yarn dish and in take on the edge of yarn dish and all offer breach, described breach can drive the described yarn seat of taking and move.
In the preferable technical scheme: each central shaft is provided with a central gear, each outer shaft is provided with an edge gear, transmission is meshing with each other between the adjacent gear, the described outer diameter of taking the yarn dish is taken half of yarn dish diameter in being, and the number of teeth of described edge gear is half of the number of teeth of described central gear.
In the preferable technical scheme: described commutation assembly comprises the Internal baffle taken in being arranged between the yarn dish, take the yarn dish in being arranged on and take the outer baffle between the yarn dish outward and be arranged on the outer fixed dam of taking yarn dish outside; All form at least two track limits on each Internal baffle and the outer baffle, and each Internal baffle and outer baffle be that intermittently rotate in the axle center with a reversing shaft perpendicular to its plate face all, described track limit is combined to form the internal motion track of taking the yarn seat; Described fixed dam is provided with trapped orbit, forms to take the yarn seat and arrive that taking turns back behind the yarn dish ranks edge automatically takes the movement locus of yarn dish ranks inside.
In the preferable technical scheme: the track limit that is provided with on the described Internal baffle is arranged on the concave arc of Internal baffle both sides; The track limit that is provided with on the outer baffle comprises: be arranged on outer baffle near in take the bigger concave arc of radius of yarn dish one side, and, be arranged on outer baffle near two concave arcs that radius is less taking yarn dish one side outward; The shape of the concave arc that described radius is bigger is all identical with concave arc on the Internal baffle with size; Trapped orbit on the described fixed dam is the imploded arcs limit that is molded on the fixed dam.
In the preferable technical scheme: take in described on the periphery of yarn dish and offer two semicircular breach at an opposite side at least, at least be provided with a semicircular breach on the described outer periphery of taking the yarn dish, described semicircular breach can drive the described yarn seat of taking and advance along circular arc line.
In the preferable technical scheme: the track limit that is provided with on the described Internal baffle is arranged on the rectilinear orbit groove of Internal baffle both sides; The track limit that is provided with on the outer baffle comprises: be arranged on outer baffle near in take the long rectilinear orbit groove of yarn dish one side, and, be arranged on outer baffle near two short rectilinear orbit grooves taking yarn dish one side outward; The shape of the rectilinear orbit groove that described length is bigger is all identical with rectilinear orbit on the Internal baffle with size, described two rectilinear orbit groove middle wares disconnections of lacking; Trapped orbit on the described fixed dam is the arc track groove that is molded on the fixed dam.
In the preferable technical scheme: take the breach that offers two deep trouth shapes on the periphery of yarn dish at least at an opposite side in described, at least be provided with the breach of a deep trouth shape on the described outer periphery of taking the yarn dish, the described yarn seat of taking can slippage in the breach of described deep trouth shape.
In the preferable technical scheme: two opposite sides at described Internal baffle and outer baffle have all designed slope or step.
In the preferable technical scheme: described reversing shaft is hollow, can pass for axial yarn.
Compared with prior art, the beneficial effect that has of the present invention is:
1. the present invention can not weave three-dimensional preforms continuously with resting.
2. the present invention is controlled at the motion path of taking the yarn seat on the predefined paths reliably by its unique commutation assembly that is provided with, and to reduce the fault rate of braiding machine, increases work efficiency.
3. the present invention forms the braiding table top with modular form, is convenient to adjust combined shaped and the size that weaves table top according to the cross sectional shape and the size of assembling-disassembling, knits out the three-dimensional braid of square-section, circular cross-section or any compound section.
Description of drawings
Fig. 1 is the mesa structure schematic diagram of No. 6439096 disclosed a kind of rotary braiding machines of U.S. Pat;
Fig. 2 is the schematic perspective view of first preferred embodiment of rotary braiding machine of the present invention;
Fig. 3 is the mesa structure schematic diagram of driven unit of first embodiment of rotary braiding machine of the present invention;
Fig. 4 is the drive connection schematic diagram of driven unit of first embodiment of rotary braiding machine of the present invention;
Fig. 5 is the floor map of commutation assembly of first embodiment of rotary braiding machine of the present invention;
Fig. 6 is intermittent motion mechanism's plane of Internal baffle of first embodiment of rotary braiding machine of the present invention;
Fig. 7 is intermittent motion mechanism's stereogram of Internal baffle of first embodiment of rotary braiding machine of the present invention;
Fig. 8 is the intermittent movement structural perspective of central shaft of first embodiment of rotary braiding machine of the present invention;
Fig. 9 is the taking the yarn seat and take the drive connection schematic diagram of yarn dish of first embodiment of rotary braiding machine of the present invention;
Figure 10 is the upward view of Fig. 9;
Figure 11 A is the floor map of Internal baffle of second embodiment of rotary braiding machine of the present invention;
Figure 11 B is the cutaway view of Figure 11 A;
Figure 11 C is a kind of possible upward view of Figure 11 A, and two opposite sides of expression Internal baffle have all designed the slope;
Figure 11 D is another possible upward view of Figure 11 A, and two opposite sides of expression Internal baffle have all designed step;
Figure 12 A is the floor map of outer baffle of second embodiment of rotary braiding machine of the present invention;
Figure 12 B is the side view of Figure 12 A;
Figure 12 C is the vertical view of Figure 12 A;
Figure 13 A, Figure 13 B are the shape schematic diagrames of fixed dam of second embodiment of rotary braiding machine of the present invention;
Figure 14 A, Figure 14 B are respectively the inside and outside floor map of taking the yarn dish of second embodiment of rotary braiding machine of the present invention;
Figure 15 is the structural representation of commutation assembly of second embodiment of rotary braiding machine of the present invention.
The specific embodiment
Embodiment one:
As shown in Figure 2, it is the schematic perspective view of a preferred embodiment of described rotary braiding machine, as seen from the figure, it comprises driven unit 10, commutation assembly 20 and take yarn seat 30, described driven unit 10 comprise that determinant is arranged and rotation synchronously take yarn dish 11,12, taking yarn dish 11 centers can pass for the axial yarn (not shown), the described yarn seat 30 of taking is connected with the spindle (not shown) of knitting yarn, and at the described yarn dish 11 of taking, advance under 12 the drive, described commutation assembly 20 is arranged on to be taken on the path that yarn seat 30 advances, and does not stop to adjust the direction of advance of taking yarn seat 30.Below will discuss the structure of each several part in detail.
In conjunction with Fig. 2, shown in Figure 3, described driven unit 10 comprise be that determinant arranges in take yarn dish 11 and be arranged in take the outer yarn dish 12 of taking of yarn dish 11 outsides, taking yarn dish 11 in described is that rotate in the axle center with its central shaft 13 that axially is provided with, and the described outer yarn dish 12 of taking is that rotate in the axle center with its outer shaft 14 that axially is provided with; Wherein, described central shaft 13 is hollow, can pass for the axial yarn (not shown).Take in described and be the breach 15 that offers two semicirculars in shape relatively symmetrically on the periphery of yarn dish 11, take the breach 15 that also is provided with a semicircular in shape on the periphery of yarn dish 12 outward, described breach 15 can drive the described yarn seat 30 of taking along the circular arc path movement, and, what per two adjacent breach 15 were formed a circle when rotating to same position takes the yarn hole, the described yarn seat 30 of taking is in described when taking among the yarn hole, under the control of described commutation assembly 20, from the state transitions that driven by a breach 15 to the state that is driven by another breach 15.(described two adjacent breach 15 rotate to same position, and also being this position is the paths intersect point.)
As shown in Figure 4, be take in described between the yarn dish 11 and in take yarn dish 11 and take drive connection schematic diagram between the yarn dish 12 outward, each central shaft 13 is provided with a central gear 16, and each outer shaft 14 is provided with an edge gear 17, and transmission is meshing with each other between the adjacent gear.In the present embodiment, the described outer diameter of taking yarn dish 12 is taken half of yarn dish 11 diameters in being, and the number of teeth of described edge gear 17 is half of the number of teeth of described central gear 16.
Still as shown in Figure 3, taking yarn dish 11 in described drives and takes yarn seat 30 and advance continuously along the multi sphere section paths of+/-45 degree directions, the described outer yarn dish 12 of taking then can be realized taking yarn seat 30 and arrives that taking turns back to behind the yarn disk array edge automatically takes yarn disk array inside, takes the movement locus of yarn seat 30 in inside to continue to finish.
As shown in Figure 5, the structural representation of representing described commutation assembly 20, described commutation assembly 20 comprises the Internal baffle of taking in being arranged between the yarn dish 11 21, take yarn dish 11 in being arranged on and take the outer baffle 22 between the yarn dish 12 outward and be arranged on the outer fixed dam 23 of taking yarn dish 12 outsides, all form at least two track limits on described Internal baffle 21 and the outer baffle 22, described track limit is combined to form the internal motion track of taking the yarn seat, described fixed dam is provided with trapped orbit, forms to take the yarn seat and arrive that taking turns back behind the yarn dish ranks edge automatically takes the movement locus of yarn dish ranks inside.In the present embodiment, described track limit all is concave arcs 24, described concave arc 24 is combined to form the curvilinear motion track of taking yarn seat 30, specifically: Internal baffle 21 is provided with two symmetrical concave arcs 241, and outer baffle 22 near in take yarn dish 11 one side be provided with one with Internal baffle 21 on concave arc 241 shapes, the concave arc 242 that size is identical, one side close take yarn dish 12 outward then be provided with two concave arcs 243 that radius is less.Therefore, generally speaking, the shape of described concave arc 24 is just in time consistent with the motion path of the breach of taking the yarn dish 15 that is in the baffle plate top with the position, thereby the feasible yarn seat 30 of taking is steady, the suitable cunning of taking between the yarn dish of motion.Described fixed dam 23 be for prevent to take yarn seat 30 from outside take yarn dish 12 outsides and come off and be provided with, therefore fixed dam 23 inboards are formed with imploded arcs limit 231, the shape on imploded arcs limit 231 is consistent with the motion path of the breach 15 of taking yarn dish 12 outward, can dock with the less concave arc 243 of the radius on the outer baffle 22.
As Fig. 6, Fig. 7, shown in Figure 8, it is the structural representation of the intermittent movement of an Internal baffle 21 central shafts 13 formation adjacent thereto, the stereogram of the stereogram of the intermittent movement structure on the Internal baffle 21 and the intermittent movement structure on the central shaft, by diagram as can be known, described Internal baffle 21 is provided with a reversing shaft 25 perpendicular to its plate face direction, and (reversing shaft 25 is designed to solid shafting, also can be designed to hollow form wears wherein for axial yarn), be fixed with a sheave 26 on the described reversing shaft 25, be the right-angled intersection shape on the sheave 26 and offer four chutes 261, then be fixed with a shift fork 27 on each described central shaft 13, fixingly on the shift fork 27 stir pin 271 and can embed in the respective slide slots 261 of described sheave 26, to drive reversing shaft 25, Internal baffle 21 and outer baffle 22 together rotate.In the present embodiment, not only to realize the rotation of reversing shaft 25, and will guarantee to take yarn seat 30 by certain position the time, the inside and outside baffle plate 21,22 of this position stops in corresponding position and passes through smoothly along orbital path to guarantee to take yarn seat 30, so, on described central shaft 13, also be fixed with limiting plate 28, described limiting plate 28 outer rims are provided with two outer chimbs 281, described outer chimb 281 can with the corresponding engaging of described sheave 26 outer rims, when taking yarn seat 30, stop sheave 26 and rotate by track crossing.So, by the teamwork of shift fork 27, sheave 26 and limiting plate 28, realize that accurately rotate the intermittence of Internal baffle 21 and outer baffle 22.As for the intermittent movement structure on the outer baffle 22, identical with on the Internal baffle do not repeat them here.Because described Internal baffle 21, outer baffle 22 all can intermittently rotate, therefore can be referred to as sideboard.What need to replenish is: alleged among the present invention " intermittently rotating " is meant that sideboard once revolves to a direction to turn 90 degrees location then, next reverse rotation 90 degree location once more.In addition, also can make that the motion process of Internal baffle 21 is that intermittent revolving towards same direction turn 90 degrees by suitably adjusting the setting of above-mentioned intermittent motion mechanism, in this case, because Internal baffle 21 symmetrical configuration are consistent with the effect of coming back rotation, a kind of replacement scheme of also can yet be regarded as.
Describedly taking the spindle that yarn seat 30 can connect knitting yarn, because its mode that connects spindle is varied, and is not focus technology content of the present invention, does not repeat them here.And as Fig. 9, shown in Figure 10, be describedly to take yarn seat 30 and take yarn dish 11 drive connection schematic diagrames, the described yarn seat 30 of taking comprises the driving section 31 that engages with the breach 15 of taking yarn dish 11, and with the spacing guide part 32 of changement 20 formation.In the present embodiment, described driving section 31 all is cylindric with guide part 32, and the diameter of guide part 32 is less than the diameter of driving section 31.In the braiding process, breach 15 driven rotary of yarn dish 11 are taken in described driving section 31, and described guide part 32 is subjected to the restriction and the guiding of baffle plate 21,22,23, finishes its movement locus so that take yarn seat 30.What need replenish is, be arranged under the prerequisite with shape shaft with guide part 32 in described driving section 31, take yarn seat 30 and can realize the purpose of interlock spindle, therefore, ladder is cylindric, coniform, round table-like, ellipticity or polygon-shaped even the described driving section 31 of taking yarn seat 30 or guide part 32 be arranged to, and still belongs within the creating conception of the present invention.
Embodiment two
The braiding path design that present embodiment will be taken yarn seat 30 is a form of straight lines, it adopts all components and motion mode among the embodiment one substantially, institute's difference is: described sideboard comprises Internal baffle 41 and outer baffle 42, at least two track limits of moulding all are rectilinear orbit grooves on Internal baffle 41 and the outer baffle 42, described rectilinear orbit groove is combined to form the straight-line trajectory of taking the yarn seat, and the trapped orbit on the described fixed dam is the arc track groove that is molded on the fixed dam.Specifically:
Shown in Figure 11 A, Figure 11 B, Figure 11 C, two concave arcs 24 of Internal baffle 41 are changed into the form of two rectilinear orbit grooves 44, and in order to prevent that each Internal baffle 41 from interfering when rotated, all designed slope 411 (shown in the accompanying drawing 11C) at two opposite sides of Internal baffle 41.In addition, interfere when rotated, a step 419 (shown in Figure 11 D) can also all be set at two opposite sides of Internal baffle 41, to substitute described slope 411 in order to prevent each Internal baffle 41;
Shown in Figure 12 A, Figure 12 B, Figure 12 C, the structure of outer baffle 42 and Internal baffle 41 are basic identical, just correspondingly-sized is changed to some extent, specifically, outer baffle 42 near in take yarn dish 11 one side form long rectilinear orbit groove 441, outer baffle 42 forms two short rectilinear orbit grooves 442 near one side of taking yarn dish 12 outward, the shape of the rectilinear orbit groove 441 that described length is bigger is all identical with rectilinear orbit groove 44 on the Internal baffle with size, described two rectilinear orbit groove 442 middle wares disconnections of lacking; In addition, two opposite sides of outer baffle 42 also all design slope 421 is arranged, perhaps step (not shown) is so that dock with outer fixed dam 43;
And for example shown in Figure 13 A, Figure 13 B, have arc track groove 45 on the fixed dam 43, can with outer baffle in the middle of the rectilinear orbit groove 442 that is interrupted dock, form and take 30 arrival of yarn seat and take to turn back automatically behind the yarn dish ranks edge and take the movement locus of yarn dish ranks inside.
For another example shown in Figure 14 A, Figure 14 B, the inside and outside semicircle breach of taking on the yarn dish 51,52 15 is changed into the breach 53 of deep trouth shape, inside and outside take yarn dish 51,52 rotation in, take yarn seat 30 slippage in the breach 53 of deep trouth shape, to adapt to the different variations that brought of distance of each point and central shaft 13 on the rectilinear orbit;
As shown in figure 15, be the planar structure schematic diagram of commutation assembly of the rotary braiding machine in this form of straight lines braiding path.
Adopt said structure to form the rotary braiding machine in a form of straight lines braiding path, concrete motion mode is: by the mechanism that intermittently rotates, in making, outer baffle 41, rectilinear orbit groove 44 on 42,441,442 edges+/-45 degree are parked, then by in the breach 53 of being with the deep trouth shape, take yarn dish 51 outward, 30 motions of yarn seat are taken in 52 drivings, the guide part 32 of taking yarn seat 30 lower ends can be subjected to rectilinear orbit groove 44,441,442 constraint makes and takes yarn seat 30 interior, take yarn dish 51 outward, 52 driving lower edge rectilinear orbit groove 44,441,442 direction moves to next paths intersect point.This moment next position the Internal baffle 41 of band rectilinear orbit groove 44 or outer baffle 42 also just move to previous baffle plate on the end to end position of rectilinear orbit groove 44 take yarn seat 30 and move on so that continue guiding at the driving lower edge direction initialization of taking the yarn dish of next one band deep trouth.When taking yarn seat 30 and move to inside and outside intersection, taken outward that yarn dish 52 drives take the short lines track of yarn seat 30 on outer baffle 42 enter outside arc track groove 45 on the fixed dam 43, enter then on the outer baffle 42 of opposite side in the middle of the rectilinear orbit that is interrupted, thereby finish turning at the edge, return motion inner and that continuation is inner, thereby drive the yarn axle of taking on the yarn seat 30, make yarn finish braiding according to designing requirement.
Below only be two preferred embodiments of the present invention, and when reality is used, many replacement schemes can also be arranged:
In the foregoing description one, be to form corrugated track, and, control and take yarn seat 30 direction of advance in orbit, thereby finish the braiding motion by the baffle plate that rotate described intermittence with baffle plate with concave arc 24.In fact, also track can be arranged to be fixed on wavy on the table top, and the place, crosspoint at track increases design and installation by the guide groove that intermittent motion mechanism drives, and can pass through the crosspoint in the clear according to trends of design along track with portable yarn seat 30.
In addition, if under the prerequisite of track being arranged to be fixed on the table top, track is arranged to be made up of the straight line intersection, breach 15 shapes that then need further to take the yarn dish change long groove shape 53 into, adapting to the different variations that brought of distance of each point and central shaft 13 on the rectilinear orbit, and, at the place, crosspoint of track, increase design and installation by the guide groove that intermittent motion mechanism drives, can pass through the crosspoint in the clear according to trends of design along track with portable yarn seat 30.In addition, drive and to take yarn seat 30 and move along rectilinear orbit, can also not use and take the yarn dish, and use other mechanical systems directly to drive, promote as machineries such as cylinder, hydraulic cylinders, perhaps machine driving such as tooth bar, chain also can be to take yarn seat 30 to move from line mode.
Certainly, the type of drive of described edge module also can use other modes to substitute, and realizes taking regular motion or the start-stop of yarn device in the edge exhumation process as the internal gear that artificial, manipulator, solenoid travel switch or edge's speed change are rotated or intermittently rotated.
Braiding machine platform of the present invention both can level be installed, the preformed member that vertical-lift has woven, also vertical mounting platform, the good preformed member of along continuous straight runs traction braiding, even can be along any direction mounting platform, to adapt to the needs of different preform braidings.
In addition, braiding machine platform provided by the present invention, taking yarn dish 11 (or 51) assembly and Internal baffle 21 (or 41) assembly in it can several group be installed on the machine module chassis to constitute complete module, with one or several modular forms, be equipped with some outer rotary braiding machines that yarn dish 12 (or 52) assembly, outer baffle 22 assemblies (or outer baffle 42 of band rectilinear orbit groove) and outer fixed dam 23 (or 43) constitute arbitrary dimension and shape of taking again.Even, this module combinations thought also extends in the combination of many machines, by between different machines, taking the yarn device braiding preform size is increased, or make the complex section preform that single machine is difficult to complete by artificial or mechanical system transmission.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (15)
1. rotary braiding machine, it is characterized in that: comprise driven unit, assembly and take the yarn seat commutates, described driven unit comprise that determinant is arranged and rotation synchronously take the yarn dish, the described yarn seat of taking is connected with the spindle of knitting yarn, and under the described drive of taking the yarn dish, advance, described commutation assembly is arranged on to be taken on the path that the yarn seat advances, and does not stop to adjust the direction of advance of taking the yarn seat.
2. rotary braiding machine according to claim 1, it is characterized in that: described commutation assembly comprises and is arranged on the sideboard taken between the yarn dish ranks and is arranged on the fixed dam of taking yarn dish ranks periphery, form at least two track limits on each sideboard, and each sideboard is that intermittently rotate in the axle center with a reversing shaft perpendicular to its plate face, described track limit is combined to form the internal motion track of taking the yarn seat, described fixed dam is provided with trapped orbit, forms to take the yarn seat and arrive that taking turns back behind the yarn dish ranks edge automatically takes the movement locus of yarn dish ranks inside.
3. rotary braiding machine according to claim 2, it is characterized in that: at least two track limits of moulding all are concave arcs on the described sideboard, described concave arc is combined to form the curvilinear motion track of taking the yarn seat, and the trapped orbit on the described fixed dam is the imploded arcs limit that is molded on the fixed dam.
4. rotary braiding machine according to claim 2, it is characterized in that: at least two track limits of moulding all are rectilinear orbit grooves on the described sideboard, described rectilinear orbit groove is combined to form the straight-line trajectory of taking the yarn seat, and the trapped orbit on the described fixed dam is the arc track groove that is molded on the fixed dam.
5. rotary braiding machine according to claim 2 is characterized in that: described reversing shaft is hollow, can pass for axial yarn.
6. rotary braiding machine according to claim 2, it is characterized in that: be fixed with a sheave on the described reversing shaft, be the right-angled intersection shape on the sheave and offer four chutes, the described yarn dish of taking is provided with central shaft, then be fixed with shift fork and limiting plate on the every central shaft, stirring pin and can embed in the respective slide slots of described sheave on the shift fork, together rotate to drive reversing shaft and baffle plate, described limiting plate outer rim is provided with two outer chimbs, described outer chimb can with the corresponding engaging of described sheave outer rim, rotate to stop sheave.
7. rotary braiding machine according to claim 1, it is characterized in that: described take the yarn dish comprise be that determinant arranges in take the yarn dish and be arranged in take the outer yarn dish of taking of yarn dish outside, taking the yarn dish in described is that rotate in the axle center with its central shaft that axially is provided with, the described outer yarn dish of taking is that rotate in the axle center with its outer shaft that axially is provided with, described central shaft is hollow, can pass for axial yarn;
Described outer take the yarn dish and in take on the edge of yarn dish and all offer breach, described breach can drive the described yarn seat of taking and move.
8. rotary braiding machine according to claim 7, it is characterized in that: each central shaft is provided with a central gear, each outer shaft is provided with an edge gear, transmission is meshing with each other between the adjacent gear, the described outer diameter of taking the yarn dish is taken half of yarn dish diameter in being, and the number of teeth of described edge gear is half of the number of teeth of described central gear.
9. rotary braiding machine according to claim 7 is characterized in that: described commutation assembly comprises the Internal baffle taken in being arranged between the yarn dish, take the yarn dish in being arranged on and take the outer baffle between the yarn dish outward and be arranged on the outer fixed dam of taking yarn dish outside;
All form at least two track limits on each Internal baffle and the outer baffle, and each Internal baffle and outer baffle be that intermittently rotate in the axle center with a reversing shaft perpendicular to its plate face all, described track limit is combined to form the internal motion track of taking the yarn seat;
Described fixed dam is provided with trapped orbit, forms to take the yarn seat and arrive that taking turns back behind the yarn dish ranks edge automatically takes the movement locus of yarn dish ranks inside.
10. rotary braiding machine according to claim 9 is characterized in that:
The track limit that is provided with on the described Internal baffle is arranged on the concave arc of Internal baffle both sides;
The track limit that is provided with on the outer baffle comprises: be arranged on outer baffle near in take the bigger concave arc of radius of yarn dish one side, and, be arranged on outer baffle near two concave arcs that radius is less taking yarn dish one side outward; The shape of the concave arc that described radius is bigger is all identical with concave arc on the Internal baffle with size;
Trapped orbit on the described fixed dam is the imploded arcs limit that is molded on the fixed dam.
11. rotary braiding machine according to claim 10, it is characterized in that: take in described on the periphery of yarn dish and offer two semicircular breach at an opposite side at least, at least be provided with a semicircular breach on the described outer periphery of taking the yarn dish, described semicircular breach can drive the described yarn seat of taking and advance along circular arc line.
12. rotary braiding machine according to claim 9 is characterized in that:
The track limit that is provided with on the described Internal baffle is arranged on the rectilinear orbit groove of Internal baffle both sides;
The track limit that is provided with on the outer baffle comprises: be arranged on outer baffle near in take the long rectilinear orbit groove of yarn dish one side, and, be arranged on outer baffle near two short rectilinear orbit grooves taking yarn dish one side outward; The shape of the rectilinear orbit groove that described length is bigger is all identical with rectilinear orbit on the Internal baffle with size, described two rectilinear orbit groove middle wares disconnections of lacking;
Trapped orbit on the described fixed dam is the arc track groove that is molded on the fixed dam.
13. rotary braiding machine according to claim 12, it is characterized in that: take the breach that offers two deep trouth shapes on the periphery of yarn dish at least at an opposite side in described, at least be provided with the breach of a deep trouth shape on the described outer periphery of taking the yarn dish, the described yarn seat of taking can slippage in the breach of described deep trouth shape.
14. rotary braiding machine according to claim 12 is characterized in that: two opposite sides at described Internal baffle and outer baffle have all designed slope or step.
15. rotary braiding machine according to claim 9 is characterized in that: described reversing shaft is hollow, can pass for axial yarn.
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| CN2008102264225A CN101736518B (en) | 2008-11-10 | 2008-11-10 | Rotary braiding machine |
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| CN2008102264225A CN101736518B (en) | 2008-11-10 | 2008-11-10 | Rotary braiding machine |
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| CN101736518B CN101736518B (en) | 2011-07-20 |
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| JPH0222392U (en) * | 1988-07-23 | 1990-02-14 | ||
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