CN202440624U - Let-off device for carbon fiber multilayer angle-link loom - Google Patents

Abstract

The utility model discloses a let-off device for a carbon fiber multilayer angle-link loom. The let-off device for the carbon fiber multilayer angle-link loom comprises a let-off creel, a sheet yarn tension-adjusting device and a yarn gathering device, wherein the yarn gathering device is disposed directly in front of a loom cloth-fell, the sheet yarn tension-adjusting device is arranged directly in front of the yarn gathering device, and the let-off creel is placed directly in front of the sheet yarn tension-adjusting device. The let-off creel comprises a beam frame, a plurality of beam shaft cores are arranged on the beam frame, a plurality of beam yarn spools are fixedly disposed on each beam shaft core, and a driving mechanism is arranged on each beam shaft core. The let-off device for the carbon fiber multilayer angle-link loom enables yarn to keep constant tension in the process of let-off, and is compact in structure, less in occupied space, and suitable for multilayer weaving of the warp in bulk.

Description

Carbon fiber multilayer angle joins loom let off motion

Technical field

The utility model relates to a kind of loom let off motion, and particularly a kind of carbon fiber multilayer angle joins loom let off motion.

Background technology

Along with the development of engineering and material science, to material property require increasingly high.The research of relevant advanced composite material, development and application become one of important content of high-tech material technology, and carbon fiber and carbon fibre composite occupy critical role in this field.Because the performance that carbon fibre composite is unique, remarkable particularly is widely used in the aircraft industry at aviation field.The online technology of knitting in multilayer angle is a kind of advanced composite material (ACM) skeleton weaving technology that on multilayer warp thread weaving technology basis, grows up.The characteristic big to the carbon fibre fabric finished product thickness, that carbon fiber surface is not wear-resisting and weave characteristics such as the number of plies is many has special requirement again for the design and the research of loom let-off part.The related patent U.S. Patent No. that retrieves at present has: 1) Chinese utility model patent 03255599.7 discloses a kind of let-off motion of glass loom; Comprise driving control device, tension-adjusting gear, beam of a loom, warp let-off axle and the transmission device of forming by worm gear, worm screw, warp let-off gear and beam of a loom travelling gear thereof; This device solves hard yarn line grid cloth production need the problem of the quick translation warp let-offs, especially be fit to fiberglass gridding cloth produce in the conveying of sliver.But the utility model only is fit to weaving of woven, and only is applicable to that cross section is weaving of circular fabric.2) Chinese utility model patent 200910186427.4 discloses a kind of multi-beam let-off device, and it comprises a plurality of beamed yarn tubes that are installed on axle axle core, and each beamed yarn tube can rotate on axle axle core, and each beamed yarn tube is driven by independent driving mechanisms respectively.Have warp tension separately on the every beamed yarn tube, in practical application, respectively around the warp thread of single variety fiber and number, many kinds of polychrome warp thread can appear in the warp let-off of turning round simultaneously of many beamed yarn tubes on same breadth on every beamed yarn tube.Come the warp let-off simultaneously through a plurality of beamed yarn tubes, but, can not guarantee that yarn tension is consistent on the same mandrel, promptly guarantee every layer of yarn tension unanimity because single driving and the control respectively of each beamed yarn tube has warp tension separately on the every beamed yarn tube.To the fabric of odd-shaped cross section, this device can not be accomplished the warp let-off simultaneously.3) Chinese utility model patent 201010153813.6 discloses a kind of carbon fibre bobbin creel; Comprise frame, spindle blade and carbon fiber tube; The end of said spindle blade is provided with tension spring and nut, and said nut is pressed on said tension spring on the outer end plate of said carbon fiber tube.Screw or unscrew nut, pressure that just can the adjustment of tonicity spring makes movable friction plate and decides between the friction plate frictional force to increase or reduce, so regulate discharge the tension force of carbon fiber.But in the yarn weaving process, along with carbon fiber bobbin diameter variation, it can not regulate the tension force of yarn automatically.Above-mentioned patent is when being used for the weaving of multilayer warp thread, and bulky, required installing space is bigger, and factory building is had relatively high expectations, and has increased factory building capital construction cost.And existing let-off motion all can not carry out the Tension Control and the warp let-off to single thread and sheet yarn simultaneously.

The utility model content

The utility model provides carbon fiber multilayer angle to join loom let off motion for solving the technical problem that exists in the known technology, and this device can make with one deck yarn tension consistent.

The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of carbon fiber multilayer angle joins loom let off motion; Comprise warp let-off creel, sheet yarn tension adjusting device and hold together yarn feeding device; Hold together the dead ahead that yarn feeding device is positioned at the loom fell; Sheet yarn tension adjusting device is positioned at the dead ahead of yarn feeding device, and warp let-off creel is positioned at the dead ahead of sheet yarn tension adjusting device; Said warp let-off creel comprises through the axle frame, the said many warps axle core that on the axle frame, are equipped with, and every is fixed with a plurality of beamed yarn tubes on an axle core, be equipped with driving mechanism on the every warp axle axle core.

Advantage and the good effect that the utlity model has are: can make yarn in warp let-off process, keep constant tension, and compact conformation, it is little to take up room, and is applicable to the multi-layer woven of large quantities of warp thread.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the utility model warp let-off creel;

Fig. 3 is the single structural representation through axle axle core driving mechanism of the utility model warp let-off creel;

Fig. 4 is the A portion enlarged drawing of Fig. 2;

Fig. 5 is the structural representation of the utility model sheet yarn tension adjusting device;

Fig. 6 is the A portion cutaway view Amplified image of Fig. 5;

Fig. 7 is the B portion cutaway view Amplified image of Fig. 5;

Fig. 8 is that the C of Fig. 6 is to view;

Fig. 9 is that the D of Fig. 7 is to view;

Figure 10 holds together the structural representation of yarn feeding device for the utility model;

Figure 11 is the A portion enlarged drawing of Figure 10;

Figure 12 is the local structural representation of the utility model warp let-off bobbin cradle;

Figure 13 is the partial side view of Figure 12, i.e. the sketch map of a spindle blade unit of the utility model warp let-off bobbin cradle;

Figure 14 is the profile of Figure 13, i.e. the utility model warp let-off bobbin cradle yarn tube is fixed on the structural representation on the spindle blade;

Figure 15 is the A portion enlarged drawing of Figure 12, i.e. the structural representation of the utility model warp let-off bobbin cradle tension force swing arm part;

Figure 16 is the structural representation of the utility model single thread tensioning frame;

Figure 17 is the I portion enlarged drawing of Figure 16;

Figure 18 is the utility model single thread tensioning frame tensioning spring sheet syndeton sketch map.

The specific embodiment

For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:

See also Fig. 1; A kind of carbon fiber multilayer angle joins loom let off motion; Comprise warp let-off creel 1, sheet yarn tension adjusting device 3 and hold together yarn feeding device 5; Hold together the dead ahead that yarn feeding device 5 is positioned at the loom fell, sheet yarn tension adjusting device 3 is positioned at the dead ahead of yarn feeding device 5, and warp let-off creel 1 is positioned at the dead ahead of sheet yarn tension adjusting device 3.

See also Fig. 2～Fig. 4, above-mentioned warp let-off creel 1 comprises through axle frame 1-1, on a frame 1-1, is equipped with many through axle axle core 1-3, and through the arrangement of axle core 1-3 be: front and back are in a row, and are in a row up and down; Be equipped with sheet yarn cord roller 1-8 an every front upper place through axle axle core 1-3, sheet yarn cord roller 1-8 is used to support warp thread 6, prevents that it is sagging, interferes winding each other with its below warp thread, makes the loom that is sent to that the multilayer warp thread is separated from each other.Above-mentioned arrangement floor space through axle axle core 1-3 is little, simple in structure, and the yarn layout is clear, does not have and interferes, and can guarantee that the multilayer warp thread gets into loom smoothly.

Every is fixed with a plurality of beamed yarn tube 1-2 on axle axle core 1-3, every is equipped with driving mechanism on axle axle core 1-3.A plurality of beamed yarn tube 1-2 adopt one through axle axle core 1-3 transmission, can guarantee to be synchronized with the movement with the beamed yarn tube 1-2 on axle axle core 1-3, thereby guarantee the uniform tension in order with one deck yarn.

Above-mentioned driving mechanism comprises servomotor 1-6, decelerator 1-7 and worm gear 1-4, worm screw 1-5, and worm gear 1-4 is packed on axle axle core 1-3, and meshes with worm screw 1-5, and worm screw 1-5 is connected with decelerator 1-7, and decelerator 1-7 is driven by servomotor 1-6.Servomotor 1-6 drives worm screw 1-5 and worm gear 1-4 through decelerator 1-7, and worm gear 1-4 drives through axle axle core 1-3 and rotates, and rotates thereby drive beamed yarn tube 1-2.

Adopt a structure of a plurality of beamed yarn tube 1-2 upward being installed, can make each beamed yarn tube 1-2 little and light, make things convenient for the replacing of yarn tube through axle axle core 1-3.

In the present embodiment, what front and back were in a row has 10 row through axle axle core 1-3, and in a row up and down has 6 layers through axle axle core 1-3, and each 6 beamed yarn tube 1-2 that on axle axle core 1-3, are symmetrically arranged can accomplish the warp let-off of 360 beamed yarn tube 1-2.

The a plurality of beamed yarn tubes of above-mentioned warp let-off creel adopt one through the transmission of axle axle core, have guaranteed the uniform tension in order with one deck yarn.Floor space is little, and is simple in structure.Adopt a structure of on axle axle core, a plurality of beamed yarn tubes being installed, can make each beamed yarn tube little and light, make things convenient for the replacing of yarn tube.Above-mentioned warp let-off creel has not only been realized the weaving of carbon fibre fabric of different fabric widths, can guarantee the uniform tension in order with one deck yarn again, and it is convenient that the beamed yarn tube is changed.

In order further to make the sheet yarn tension keep constant; See also Fig. 5～Fig. 9; Above-mentioned yarn tension adjusting device 3 comprises sheet yarn tension adjusting frame 3-1, and the sheet yarn tension is regulated on the frame 3-1 top tension adjustment support 3-3 and bottom tension adjustment support 3-2 are installed, and top tension adjustment support 3-3 and bottom tension adjustment support 3-2 are symmetric arrangement up and down; And vertically section is V-shaped, and the V-arrangement opening is relative with the loom fell.

Top tension adjustment support 3-3 goes up mounted in pairs to be had along top warp let-off roller 3-6 and top swing idler roller 3-10 that warp let-off direction sets gradually; Top warp let-off roller 3-6 is rotatably connected on the top swing arm rotating shaft 3-5, and top swing arm rotating shaft 3-5 is rotatably connected on the tension adjustment support 3-3 of top; Top swing idler roller 3-10 is rotatably connected on the pendulum roller bolster 3-9 of top; Top pendulum roller bolster 3-9 is fixed on the top swing arm rotating shaft 3-5 through the top swing arm 3-7 that is fixed in its two ends; The lower end of top swing arm 3-7 and top pendulum roller bolster 3-9 are affixed, and the upper end of top swing arm 3-7 and top swing arm rotating shaft 3-5 are affixed; Regulate between the frame 3-1 near a side lower part of loom fell and sheet yarn tension at top swing arm 3-7 and to be clamped with spring I3-8.

Bottom tension adjustment support 3-2 goes up mounted in pairs to be had along bottom warp let-off roller 3-16 and bottom swing idler roller 3-13 that warp let-off direction sets gradually; Bottom warp let-off roller 3-16 is rotatably connected on the bottom swing arm rotating shaft 3-15, and bottom swing arm rotating shaft 3-15 is rotatably connected on the tension adjustment support 3-2 of bottom; Bottom swing idler roller 3-13 is rotatably connected on the pendulum roller bolster 3-12 of bottom; Bottom pendulum roller bolster 3-12 is fixed on the bottom swing arm rotating shaft 3-15 through the bottom swing arm 3-17 that is fixed in its two ends, and bottom pendulum roller bolster 3-12 is positioned at the top of bottom swing arm rotating shaft 3-15; Regulate between the frame 3-1 near a upper lateral part of loom fell and sheet yarn tension at bottom swing arm 3-17 and to be clamped with spring II3-14.

The upper end of bottom swing arm 3-17 and bottom pendulum roller bolster 3-12 are affixed; The middle part of bottom swing arm 3-17 and bottom swing arm rotating shaft 3-15 are affixed; The lower end of swing arm 3-17 is provided with counterweight installing hole and counterweight support bar II3-18 in the bottom, and counterweight support bar II3-18 and spring II3-14 are arranged on the homonymy of bottom swing arm 3-17.Above top swing arm 3-7, be provided with counterweight support bar I3-4, counterweight support bar I3-4 and spring I3-8 divide the both sides that are located at top swing arm 3-7.Counterweight support bar I3-4 and counterweight support bar II3-14 adopt usually and are obliquely installed.

Top tension adjustment support 3-3 and bottom tension adjustment support 3-2 all can be connected to form by at least two segmentations.With convenient processing and transportation.

Top warp let-off roller 3-6, bottom warp let-off roller 3-16, top swing idler roller 3-10 and bottom swing idler roller 3-13 are all processed by lightweight SCP composite steel tube, to reduce the wearing and tearing to yarn.

On top swing arm rotating shaft 3-5 and the bottom swing arm rotating shaft 3-15 electromagnetic brake is installed all, when loom beating-up, excessive in order to prevent the power of beating up; Causing beats up a little gathers around yarn; Electromagnetic brake is set, and electromagnetic brake is held the swing arm rotating shaft tightly when beating up, and makes the swing arm rotating shaft keep static; Can not rotate, avoid gathering around yarn with the power of beating up.Finish the back electromagnetic brake at this time beating motion and unclamp the swing arm rotating shaft, carry out weaving next time motion to make things convenient for loom.

In this example, the swing idler roller that is the V-shaped layout of vertical section has 90, can accomplish the tension adjustment of 90 layers of warp thread.

The operation principle of above-mentioned yarn tension adjusting device:

Yarn gets into through warp let-off roller, draws through the swing idler roller, and yarn is in tensioned state all the time under the effect of spring.The flexible of spring can store opening and comprehensive usual friendship for the redundant yarn that produces in the process, guarantee that yarn is in tensioning state all the time in weaving process.

In single yarn number of yarns more after a little while, loom pulling sheet yarn, the insufficient pressure that spring is formed is so that it produces enough distortion; Need hang additional bob-weight this moment on the counterweight support bar, the counterweight countershaft applies the opposite moment of spring torque that discharges with spring, makes the swing arm holddown spring; Make spring produce enough distortion; Compress swing arm, swing arm drives pendulum tube bolster and compresses yarn with the swing idler roller, makes the yarn tensioning.

In single yarn number of yarns more for a long time, additional bob-weight in the counterweight installing hole, or through counterweight hole suspension additional bob-weight, with balance bottom swing arm structure, make bottom pendulum roller bolster remain on bottom swing arm rotating shaft above, prevent that the bottom swing arm is turned upside-down.

Above-mentioned yarn tension adjusting device has the following advantages:

1) on warp let-off direction, adopt the spring compression swing arm, the swing idler roller that swing arm drives on the swing arm bolster compresses yarn, makes yarn be in tensioned state all the time, and simple in structure, effect is remarkable; 2) be employed in the V-shaped upper and lower part tension adjustment support of symmetric arrangement up and down of the vertical section of installation on the frame, can make the yarn layout clear, do not have and interfere, guarantee that the multilayer yarn gets into loom smoothly, and compact conformation, floor space is little, and volume is little; The vertical power that yarn acts on the upper and lower tension adjustment support can partial offset, improves the force-bearing situation of frame, the stability of intensifier; 3) warp let-off roller all adopts lightweight SCP composite steel tube with the swing idler roller, has reduced the wearing and tearing to yarn.

In order to reduce taking up room of equipment, see also Figure 10～Figure 11, above-mentionedly hold together yarn feeding device 5 and comprise holding together yarn frame 5-5; Hold together to be connected with yarn roller support 5-1 on the yarn frame 5-5, the vertical section that holds together yarn roller support 5-1 is the opening V-arrangement relative with loom; The many upper stratas that are parallel to each other are installed on the first half of holding together yarn roller support 5-1 advance yarn and hold together yarn roller 5-2, all upper stratas are advanced yarn and are held together yarn roller 5-2 and be positioned at same plane; Every upper strata advance yarn hold together yarn roller 5-2 tiltedly below be provided with the upper strata yarn along warp let-off direction and hold together yarn roller 5-3; All upper strata yarns are held together yarn roller 5-3 and are positioned at same plane, and all upper strata yarns are held together plane and all upper stratas at yarn roller 5-3 place and advanced the plane parallel that yarn holds together yarn roller 5-2 place; The many lower floors that are parallel to each other are installed on the latter half of holding together yarn roller support 5-1 advance yarn and hold together yarn roller 5-6, all lower floors advance yarn and hold together yarn roller 5-6 and be positioned at same plane; Advancing oblique upper that yarn holds together yarn roller 5-6 every lower floor is provided with lower floor's yarn along warp let-off direction and holds together yarn roller 5-7; All lower floor's yarns are held together yarn roller 5-7 and are positioned at same plane, and the plane parallel that yarn holds together yarn roller 5-6 place is advanced by plane and all lower floors that yarn roller 5-7 place is held together in all lower floor's yarns.

Above-mentionedly hold together yarn feeding device and draw in the height that is not more than 300mm with all yarns of seeing let-off motion off; It is principle with warp let-off distance partly that the reduction equipment of trying one's best is held together the yarn part; And consider that carbon fiber is prone to bending particularity easy to wear; Adopt vertical section be v-shaped structure hold together yarn roller support, draw in the height that is not more than 300mm in the distance of tens layers yarn about 4m that can see let-off motion off up to 4m, the length of holding together yarn feeding device is merely let-off motion and sees about 30% of yarn height off; The height that holds together yarn feeding device is merely let-off motion and sees about 40% of yarn height off; This structural design makes yarn in the short interior gathering of warp let-off distance, has dwindled the floor space of equipment, and has made yarn bending angle drop to minimum as far as possible.

For the structure that makes yarn roller support compact more; More reasonable stress; The cabling of yarn is convenient; The upper strata is advanced yarn and is held together yarn roller 5-2, upper strata yarn and hold together yarn roller 5-3, lower floor and advance yarn and hold together yarn roller 5-6 and lower floor's yarn and hold together the quantity of yarn roller 5-7 and all equate, and the upper strata advances yarn and hold together yarn roller 5-2 and lower floor and advance yarn and hold together yarn roller 5-6 and be symmetric arrangement up and down, the upper strata yarn hold together yarn roller 5-3 and lower floor's yarn hold together yarn roller 5-7 be about symmetric arrangement.

In order to reduce the wearing and tearing to yarn, the upper strata is advanced yarn and is held together yarn roller 5-2, upper strata yarn and hold together yarn roller 5-3, lower floor and advance yarn and hold together yarn roller 5-6 and lower floor's yarn and hold together yarn roller 5-7 and all be installed on the yarn roller support 5-1 through bearing.In holding together the yarn process, under the pulling of yarn, hold together the yarn roller along with yarn rotates together.

In order to reduce the wearing and tearing to yarn further, the upper strata is advanced yarn and is held together yarn roller 5-2, upper strata yarn and hold together yarn roller 5-3, lower floor and advance yarn and hold together yarn roller 5-6 and lower floor's yarn and hold together yarn roller 5-7 and all processed by the SCP composite steel tube.

Above-mentionedly hold together yarn feeding device and can draw the yarn that 20,000 90 floor heights reach 4m in and be not more than 300mm.

Above-mentioned operation principle of holding together yarn feeding device:

Above-mentionedly hold together yarn feeding device and be installed between the warp let-off part and loom fell part that carbon fiber multilayer angle joins loom; The yarn of partly being seen off by the warp let-off is crossed yarn earlier and is held together the yarn roller and hold together the yarn roller after yarn from holding together yarn roller support outside; Walk zigzag; Be brought in the V-arrangement opening of yarn roller support, get into the loom fell again.

Above-mentionedly hold together yarn feeding device and have the following advantages: 1) hold together yarn roller support and adopt v-shaped structure; Draw in the height that is not more than 300mm in the distance of tens layers yarn about 4m that can see let-off motion off up to 4m; The length of holding together yarn feeding device is merely let-off motion and sees about 30% of yarn height off; The height that holds together yarn feeding device is merely let-off motion and sees about 40% of yarn height off, and this structural design can make yarn at the short interior gathering of warp let-off distance, compact conformation; Floor space is little, and makes yarn bending angle drop to minimum as far as possible; 2) hold together yarn roller support and adopt v-shaped structure, symmetry makes yarn to holding together the vertical power partial offset of yarn roller up and down, has improved the force-bearing situation that holds together the yarn frame; 3) bilayer of V-shaped up and down symmetric arrangement holds together the yarn roller and can effectively avoid the interference between the multilayer yarn; 4) hold together the yarn roller and adopt lightweight SCP composite steel tube, reduced wearing and tearing yarn.

When weaving special-shaped skeleton fabric; Above-mentioned let-off motion also should comprise warp let-off bobbin cradle 2 and single thread tensioning frame 4; Single thread tensioning frame 4 is positioned at the above-mentioned dead ahead of holding together yarn feeding device 5; Warp let-off bobbin cradle 2 is positioned at the place ahead of single thread tensioning frame 4, in order to make compact equipment, preferably warp let-off bobbin cradle 2 is placed the top of warp let-off creel 1.

For the tension force that makes single thread keeps constant, please see Figure 12～Figure 15 for details, above-mentioned warp let-off bobbin cradle 2 comprises bobbin cradle support body 2-4, is fixed with many spindle blade 2-1 on the bobbin cradle support body, the arrangement of spindle blade 1 is: front and back become row, stratification up and down.

Be equipped with symmetrical two yarn jacket casing roller 2-2 on the every spindle blade 2-1; Two yarn tube 2-6 divide the both sides that are located at bobbin cradle support body 2-4; And be rotationally connected through bearing 2-15 with spindle blade 2-1; Each yarn jacket casing roller 2-2 is provided with fixedly tapered sleeve 2-13 of inboard yarn tube in the inboard, be provided with fixedly tapered sleeve 2-5 of outside yarn tube in the outside; Inboard yarn tube fixedly tapered sleeve 2-13 is fixed on the yarn jacket casing roller 2-2, and outside yarn tube fixedly tapered sleeve 2-5 sky is enclosed within on the yarn jacket casing roller 2-2, and is provided with locking nut 2-3 in the outside.

In order to install, to change conveniently, inboard yarn tube fixedly tapered sleeve 2-13 is connected the medial end of yarn jacket casing roller 2-2 through key, and the medial end of yarn jacket casing roller 2-2 is provided with the fixedly spacing shaft shoulder 2-17 of tapered sleeve 2-13 of inboard yarn tube.

Dismounting for ease, the inboard yarn tube fixedly cross section of the medial end outer surface of tapered sleeve 2-13 is set to hexagon, so that with instrument locking, when preventing to tighten locking nut 2-3, inboard yarn tube is tapered sleeve 2-13 and yarn jacket casing roller 2-2 servo-actuated together fixedly.

Inboard yarn tube fixedly tapered sleeve 2-13 is provided with belt grooves; Tension band 2-14 is stretched in the belt grooves, and the end of tension band 2-14 is fixed on the bobbin cradle support body 2-4, and the other end is connected with the end of spring A2-12; The other end of spring A2-12 is connected with bearing pin 2-9 with locknut 2-16 through adjusting screw(rod) 2-11; Adjusting screw(rod) 2-11 runs through bearing pin 2-9, and locknut 2-16 is connected on the adjusting screw(rod) 2-11, and divides the both sides that are located at bearing pin 2-9 with spring A2-12.Come the initial length of regulating spring A2-12 through regulating the position of locknut 2-16 on adjusting screw(rod) 2-11.

Tension force swing arm 2-10 is a V-arrangement; Be provided with former and later two minutes arm; The preceding arm that divides is provided with connecting hole, and bearing pin 2-9 is inserted in the connecting hole of tension force swing arm 2-10, and the back divides the upper end of arm affixed with the medial extremity of spy roller back shaft 2-8; Be provided with the yarn tube radius that is rotationally connected with it in the outboard end of visiting roller back shaft 2-8 and visit roller 2-7, tension force swing arm 2-10 is rotatably connected on the bobbin cradle support body 2-4 through its V-arrangement bottom.

Two yarn jacket casing roller 2-2 are contained on the spindle blade 2-1 through bearing 2-15 respectively symmetrically, the yarn unwinding separately on each yarn tube 2-6.Inboard yarn tube fixedly tapered sleeve 2-13 is connected with yarn jacket casing roller 2-2 through key, and is provided with the fixedly spacing shaft shoulder 2-17 of tapered sleeve 2-13 of inboard yarn tube in yarn jacket casing roller 2-2 end; Outside yarn tube fixedly tapered sleeve 2-5 sky is enclosed within on the yarn jacket casing roller 2-2, and is provided with locking nut 2-3 in the outside.The fixed structure of above-mentioned yarn tube 2-6, reliable and stable, it is convenient to change.

The quantity that yarn tube 2-6 is installed on each working face of bobbin cradle support body is 5 layers up and down; Front and back 33 row; Front and back 33 row are divided into 3 unit, are provided with two branch silk reeds that are uniformly distributed with in the middle of each unit every layer of yarn tube 2-6, divide the dent of silk reed to be processed by ceramic material; To prevent that yarn from twining and wearing and tearing, above-mentioned let-off motion can be accomplished the warp let-off of 330 bobbins.

The operation principle of above-mentioned warp let-off bobbin cradle:

Along with yarn reducing of footpath simply, it is more and more littler that yarn acts on the moment that inboard yarn tube fixed cone puts; Yarn tube radius is visited roller reducing along with yarn tube radius; Constantly move, and drive spring A, its amount of tension is reduced to the center of spindle blade; Spring A drives tension band; Reduce the fixing pressure of tapered sleeve of inboard yarn tube, thereby reduced tension band to inboard yarn the tube fixedly frictional force and the moment of friction of tapered sleeve, fixedly moment of friction and the yarn of tapered sleeve act on the drag torque that inboard yarn tube fixed cone puts and remain balance to make tension band act on inboard yarn tube.

Above-mentioned warp let-off bobbin cradle has the following advantages: the drive disk assembly-inboard yarn tube fixed cone that 1) is employed in the yarn tube puts and establishes tension band; Tension band one end is fixed; One end is connected with the end of spring A, and the other end of spring A and yarn tube radius are visited the structure that the swing arm of roller tension force is connected, and the deflection that makes spring A changes with the variation of yarn tube radius; The tension force of tension band changes with the variation of spring A deflection; Finally make tension band act on inboard yarn tube fixedly moment of friction and the yarn of tapered sleeve act on inboard yarn tube fixedly the tapered sleeve drag torque keep balance, regulate the tension force of every one thread automatically, make its maintenance constant; 2) because the friction of tension band and inboard yarn tube fixed cone inner room makes yarn have initial tension; Because the friction of tension band and inboard yarn tube fixed cone inner room can not make yarn gather around out when shutdown or deceleration owing to the rotator inertia of yarn tube; 3) be employed in the structure that adjusting screw(rod) is set between spring A and the bearing pin, make the tension adjustable of yarn; 4) spool changing is convenient; 5) compact conformation, volume trifle save space.

In order further to keep the constant tension of single thread; See also Figure 16～Figure 18, above-mentioned single thread tensioning frame 4 comprises tensioning frame support body 4-6, and tensioning frame support body 4-6 top is provided with yarn guide 4-7; Yarn guide 4-7 below is provided with tensioning frame 4-8; Tensioning frame 4-8 is fixed on the tensioning frame support body 4-6, and yarn guide 4-7 is provided with the many single thread cord roller 4-1 that are parallel to each other, and single thread cord roller 4-1 passes through bearings on tensioning frame support body 4-6; Free to rotate, all single thread cord roller 4-1 are in together in the plane; Tensioning frame 4-8 is provided with the tensioning support fixation bar 4-2 corresponding with single thread cord roller 4-1; Tensioning support fixation bar 4-2 is provided with the fixed block 4-3 suitable with single thread quantity; Each fixed block 4-3 all is sleeved on the tensioning support fixation bar 4-2, and with holding out against screw locking.All be fixed with a tensioning spring sheet 4-4 on each fixed block 4-3, porcelain ring 4-5 is installed on the tensioning spring sheet 4-4.The thickness of tensioning spring sheet 4-4 is generally 0.5～2mm, is preferably 0.8～1.2mm.When needs are regulated tensioning spring sheet position, unclamp and hold out against screw, i.e. the position of scalable fixed block, thus reach the purpose of regulating tensioning spring sheet position.

In order to reduce the wearing and tearing to yarn, single thread cord roller 4-1 adopts the SCP composite steel tube to process.

In the present embodiment, 10 single thread cord roller 4-1 are arranged on the yarn guide 4-7,10 single thread cord roller 4-1 are uniformly distributed with, are fixed in parallel to each other on the yarn guide 4-7.Tension bracket 4-8 is provided with 10 tension force corresponding with single thread cord roller 4-1 and supports fixed bar 4-2; Every tension force supports fixed bar 4-2 and goes up 99 fixed block 4-3 of installation; One tensioning spring sheet 4-4 all is installed on each fixed block 4-3, and tensioning spring sheet 4-4 is provided with porcelain ring 4-5.Can accomplish the adjusting of 990 single yarn tensions.

The operation principle of above-mentioned single thread tensioning frame:

Above-mentioned single thread tensioning frame is installed in carbon fiber multilayer angle and joins between loom let-off mechanism and the loom fell; After the jacquard weave warp-feeding mechanism is seen single yarn off; Single yarn at a certain angle through the porcelain ring on the tensioning spring sheet, gets into the loom fell through the guiding and the support of single thread cord roller 1.In fabric opening, comprehensive flat process, single yarn can be in tensioning state all the time under the effect of tensioning spring sheet, thereby makes the individual carbon fibers warp thread of release have certain force of strain all the time, plays the effect of trace compensation opening warp thread amount.

Above-mentioned single thread tensioning frame has the following advantages: through being employed in tensioning spring chip architecture corresponding with single thread quantity, that installed the porcelain ring additional is installed on the tensioning support fixation bar; The individual carbon fibers yarn that makes process porcelain ring is under the effect of tensioning spring sheet; All the time be in the state of tensioning; Thereby realized the automatic adjusting of individual carbon fibers yarn tension force in woven process, solved well in fabric opening and comprehensive usual friendship problem for redundant yarn tensioning in the process; And certain guiding supporting role, the problem of having avoided threads to interfere are each other arranged for long single yarn apart from the warp let-off.And the utility model is simple in structure; It is less to take up room, and can carry out tension adjustment to a fairly large number of single thread simultaneously, and can be through the length of single thread cord roller and tensioning support fixation bar; The number of control tensioning spring sheet is to satisfy the needs of varying number warp thread.

Although combine accompanying drawing that the preferred embodiment of the utility model is described above; But the utility model is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.

Claims (8)

1. a carbon fiber multilayer angle joins loom let off motion; Comprise warp let-off creel, sheet yarn tension adjusting device and hold together yarn feeding device; Hold together the dead ahead that yarn feeding device is positioned at the loom fell; Sheet yarn tension adjusting device is positioned at the dead ahead of yarn feeding device, and warp let-off creel is positioned at the dead ahead of sheet yarn tension adjusting device; It is characterized in that said warp let-off creel comprises through the axle frame, the said many warps axle core that on the axle frame, are equipped with, every is fixed with a plurality of beamed yarn tubes on an axle core, be equipped with driving mechanism on the every warp axle axle core.

2. carbon fiber multilayer according to claim 1 angle joins loom let off motion, it is characterized in that, said yarn tension adjusting device comprises sheet yarn tension adjusting frame; Said yarn tension regulated on the frame top tension adjustment support and bottom tension adjustment support is installed; Said top tension adjustment support and said bottom tension adjustment support are symmetric arrangement up and down; And vertically section is V-shaped, and the V-arrangement opening is relative with the loom fell;

On the tension adjustment support of said top there be along top warp let-off roller and top swing idler roller that warp let-off direction sets gradually mounted in pairs; Said top warp let-off roller is rotatably connected in the swing arm rotating shaft of top, and the swing arm rotating shaft of said top is rotatably connected on the tension adjustment support of said top; Said top swing idler roller is rotatably connected on the pendulum roller bolster of top; Said top pendulum roller bolster is fixed in the swing arm rotating shaft of said top through the top swing arm that is fixed in its two ends; The lower end of said top swing arm is connected with said top pendulum roller bolster, and the upper end of said top swing arm is connected with the swing arm rotating shaft of said top; Regulate between the frame near a side lower part of loom fell and sheet yarn tension in the swing arm of said top and to be clamped with spring I;

On the tension adjustment support of said bottom there be along bottom warp let-off roller and bottom swing idler roller that warp let-off direction sets gradually mounted in pairs; Said bottom warp let-off roller is rotatably connected on bottom swing arm rotating shaft, and the swing arm rotating shaft of said bottom is rotatably connected on the tension adjustment support of said bottom; Said bottom swing idler roller is rotatably connected on the pendulum roller bolster of bottom; Said bottom pendulum roller bolster is fixed in the swing arm rotating shaft of said bottom through the bottom swing arm that is fixed in its two ends, and said bottom pendulum roller bolster is positioned at the top of said bottom swing arm rotating shaft; Regulate between the frame near a upper lateral part of loom fell and sheet yarn tension in the swing arm of said bottom and to be clamped with spring II.

3. carbon fiber multilayer according to claim 2 angle joins loom let off motion, it is characterized in that, is provided with counterweight support bar I in the upper end of said top swing arm, and said counterweight support bar I and said spring I divide the both sides that are located at the swing arm of said top; The upper end of said bottom swing arm and said bottom pendulum roller bolster are affixed; The middle part of said bottom swing arm and the swing arm rotating shaft of said bottom are affixed; Be provided with counterweight installing hole and counterweight support bar II in the lower end of said bottom swing arm, said counterweight support bar II and said spring II are arranged on the homonymy of said bottom swing arm.

4. carbon fiber multilayer according to claim 2 angle joins loom let off motion, it is characterized in that, in swing arm rotating shaft of said top and the swing arm rotating shaft of said bottom electromagnetic brake is installed all.

5. carbon fiber multilayer according to claim 1 angle joins loom let off motion, it is characterized in that, saidly holds together yarn feeding device and comprises holding together the yarn frame; Saidly hold together on the yarn frame to be connected with yarn roller support, the said vertical section that holds together yarn roller support is the opening V-arrangement relative with loom;

The many upper stratas that are parallel to each other are installed on said the first half of holding together yarn roller support advance yarn and hold together the yarn roller, all said upper stratas are advanced yarn and are held together the yarn roller and be positioned at same plane; Every said upper strata advance yarn hold together the yarn roller tiltedly below be provided with the upper strata yarn along warp let-off direction and hold together the yarn roller; All said upper strata yarns are held together the yarn roller and are positioned at same plane, and all upper strata yarns are held together plane and all said upper stratas at yarn roller place and advanced the plane parallel that yarn holds together yarn roller place;

The many lower floors that are parallel to each other are installed on said the latter half of holding together yarn roller support advance yarn and hold together the yarn roller, all said lower floors advance yarn and hold together the yarn roller and be positioned at same plane; Advancing oblique upper that yarn holds together the yarn roller every said lower floor is provided with lower floor's yarn along warp let-off direction and holds together the yarn roller; All said lower floor yarns are held together the yarn roller and are positioned at same plane, and the plane parallel that yarn holds together yarn roller place is advanced by plane and all said lower floors that yarn roller place is held together in all said lower floor yarns.

6. carbon fiber multilayer according to claim 1 angle joins loom let off motion; It is characterized in that; This let-off motion also comprises warp let-off bobbin cradle and single thread tensioning frame, and said single thread tensioning frame is positioned at the said dead ahead of holding together yarn feeding device, and said warp let-off bobbin cradle is positioned at the place ahead of said single thread tensioning frame.

7. carbon fiber multilayer according to claim 6 angle joins loom let off motion, it is characterized in that said warp let-off bobbin cradle comprises the bobbin cradle support body, is fixed with many spindle blades on the said bobbin cradle support body; Be equipped with symmetrical two yarn jacket casing rollers on the every spindle blade, said two yarn jacket casing roller branches are located at said bobbin cradle support body both sides, and are rotationally connected with said spindle blade; Each said yarn jacket casing roller is provided with fixedly tapered sleeve of inboard yarn tube in the inboard, be provided with fixedly tapered sleeve of outside yarn tube in the outside; Said inboard yarn tube fixedly tapered sleeve is fixed on the said yarn jacket casing roller; Said outside yarn tube fixedly tapered sleeve sky is enclosed within on the said yarn jacket casing roller, and is provided with locking nut in the outside;

Said inboard yarn tube fixed cone puts and is provided with belt grooves; Tension band is stretched in the said belt grooves; One end of said tension band is fixed on the said bobbin cradle support body, and the other end is connected with the end of said spring A, and the other end of said spring A is connected with the tension force swing arm through bearing pin; Said tension force swing arm is a V-arrangement; Be provided with former and later two minutes arm, the said preceding arm that divides is provided with connecting hole, and said bearing pin is inserted in the said connecting hole; Said back divides the upper end of arm affixed with the medial extremity of visiting the roller back shaft, is provided with the yarn tube radius that is rotationally connected with it in the outboard end of said spy roller back shaft and visits roller, and said tension force swing arm is rotatably connected on the said bobbin cradle support body through its V-arrangement bottom.

8. carbon fiber multilayer according to claim 6 angle joins loom let off motion, it is characterized in that said single thread tensioning frame comprises the tensioning frame support body; Said tensioning frame support body top is provided with yarn guide; Said yarn guide below is provided with tensioning frame, and said tensioning frame is fixed on the said tensioning frame support body, and said yarn guide is provided with the many single thread cord rollers that are parallel to each other; On said tensioning frame support body, all said single thread cord rollers are in together in the plane said single thread cord roller through bearings; Said tensioning frame is provided with the tensioning support fixation bar corresponding with said single thread cord roller; Said tensioning support fixation bar is provided with the fixed block suitable with single thread quantity; Each said fixed block all is sleeved on the said tensioning support fixation bar; And, all be fixed with a tensioning spring sheet on each said fixed block with holding out against screw locking, on the said tensioning spring sheet porcelain ring is installed.

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