WO2018113412A1 - 一种高速打纬起毛机构 - Google Patents

一种高速打纬起毛机构 Download PDF

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Publication number
WO2018113412A1
WO2018113412A1 PCT/CN2017/108014 CN2017108014W WO2018113412A1 WO 2018113412 A1 WO2018113412 A1 WO 2018113412A1 CN 2017108014 W CN2017108014 W CN 2017108014W WO 2018113412 A1 WO2018113412 A1 WO 2018113412A1
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Prior art keywords
beating
chute
hinged
link
reversing lever
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PCT/CN2017/108014
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English (en)
French (fr)
Inventor
王勇
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江苏友诚数控科技有限公司
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Publication of WO2018113412A1 publication Critical patent/WO2018113412A1/zh

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60—Construction or operation of slay

Definitions

  • the invention relates to a beating machine for beating and weaving of a towel loom, in particular to a high-speed numerical control rotary beating and raising device for weaving different heights.
  • the traditional toweling machine is divided into swaying and fluffing.
  • the lifting of the bristles is controlled by the movable chest beam and the back beam, so that the woven mouth displacement is completed.
  • the driving energy is high, the yarn friction is large, and the strength is high. It is not easy to synchronize before and after, and the production efficiency is low.
  • the flicking is controlled by controlling the relative displacement of the steel boring point to control the height of each latitude to achieve fluffing. Compared with the hoisting, the steel ⁇ drive energy consumption is low, and the yarn is low.
  • the lifting mechanism of the patent application No. 201210559088.1, 201610385569.3, the driving mechanism of the sliding seat is eccentric cam structure.
  • the driving effect of the rotation angle is after the eccentric cam rotates by 180°. Achieve, drive invalid time, the highest beating speed per minute 200-400 times, mainly used in rapier towel machine, not suitable for high-speed weaving of jet towel machine with speed of 400-700 rpm, and too many driving parts, easy to produce gap High cost, easy to damage and short service life.
  • the large gear of the servo motor pinion directly drives the fixed connection with the sliding seat to rotate a certain angle, thereby realizing
  • the first and second joints are fixed at a fixed angle to control the position of the beating point.
  • the limit mechanism and the origin signal mechanism are provided.
  • the structure is simple, the production is convenient, the beating is stable, and the weaving speed and precision can be effectively ensured.
  • the pinion and large gear drive are static friction and wear less.
  • a high-speed beating and raising mechanism including a numerical control chute rotating mechanism, a limit mechanism, a fixed-stroke reciprocating mechanism, a beating transmission link, an origin signal mechanism, an electric box and a beating shackle portion
  • the fixed stroke reciprocating mechanism movable hinged beating transmission link is driven by the numerical control chute rotating mechanism to drive the beating and wefting seat portion
  • the beating transmission connecting rod comprises one or two transmission connecting rods, and one end of the first driving connecting rod
  • the movable hinged fixed stroke reciprocating mechanism has the other end connected to the end of the secondary transmission link through the link contact, and the other end of the secondary transmission link is hingedly connected to the leg of the beating seat or fixedly coupled with the leg of the crucible.
  • the said numerical control chute rotating mechanism comprises a numerical control servo motor, a pinion gear, a large gear, a sliding seat; the numerical control servo motor drives the pinion, the pinion meshes the large gear, and the sliding slot is seated in the frame
  • the upper gear is rotatable, the large gear is fixedly coupled with the chute seat and rotates coaxially.
  • the chute seat is provided with a center line passing through the center of the chute, or the large gear is provided with a center line passing through the center of the chute.
  • the secondary link hinge point fulcrum shaft is provided with a slider or a rotor, and the slider or the rotor is limited to be in the sliding groove to slide or roll in the direction of the sliding groove.
  • the high-speed beating raising mechanism comprises a numerical control servo motor, a planetary reduction mechanism or a worm gear reduction mechanism, a chute seat; and the planetary reduction mechanism Or the output shaft of the worm gear reduction mechanism and the chute seat are fixedly connected with the center of the groove.
  • the device further includes a limiting mechanism for the rotation angle of the sliding seat, the limiting mechanism includes a limiting slot or a surface matching limiting block or a shaft, and the limiting gear has a limiting slot or surface, and the limiting block or the shaft Fixed to the frame and the rotation angle of the corresponding limit slot or facing the large gear is in a limit state.
  • the limiting slot or face may also be disposed on a component that is fixedly coupled to the chute seat.
  • the fixed-stroke reciprocating mechanism includes a crank, a crank link, a first reversing lever, a short link, and a second reversing lever, and one end of the first-stage transmission link is hingedly hinged to a non-central end of the second reversing lever.
  • the middle of the second reversing lever is hinged to the frame of the loom, and the other end of the non-center of the second reversing lever is hinged to one end of the short link, and the other end of the short link is hinged to the non-central end of the first reversing lever, the first reversing lever
  • the middle portion is hinged to the loom frame, and the other end of the non-center of the first reversing lever is hinged to one end of the crank link, and the other end of the crank link is hinged on the crank to reciprocate with the crank rotation.
  • the fixed-stroke reciprocating mechanism includes a conjugate cam group and a swing arm, and the swing arm is rotatable on the frame, and one end of the first-stage transmission link is hinged to the non-center of the swing arm, and the two rotors on the swing arm are respectively The gap is matched to the two cams of the conjugate cam group, so that the swing arm rotates in a fixed stroke on the frame centering on the swing arm axis.
  • the origin signal mechanism is an origin signal convex and a signal sensor, and an origin signal convex is fixed on the rotating shaft of the sliding sleeve or synchronously fixed with the sliding slot seat on the frame, and is fixed on the frame.
  • the signal sensor corresponds to the original signal and is connected to the electric box so that the squat is opened and opened.
  • the size of the cymbal is controlled by the electric box.
  • the numerical control motor is driven by the large reduction gear to rotate the chute to determine the state from the original position.
  • the origin signal mechanism may also be an encoder, an encoder on the sliding slot or on a shaft synchronously rotating with the sliding slot seat, and the encoder is connected to the electric box so that the cymbal is opened and opened.
  • Box control digital control The machine drives the chute through the size reduction gear to determine the state from the origin rotation angle.
  • the movement of the conjugate cam group is rotated by its axis, and the two cam pieces of the conjugate cam group respectively correspond to the upper rotor and the lower rotor of the swing arm, and the swing arm drives the first-stage transmission link to be in a fixed stroke reciprocating state, or the crank is cranked.
  • the link drives the first reversing lever, and then drives the second reversing lever via the short link, and then the second reversing lever drives the first-stage transmission link to reciprocate in a fixed stroke, and the conjugate cam curve can be designed according to actual needs.
  • the pause time of the weaving machine when weaving; the crank drive multi-joint also ensures sufficient weft insertion time, and the first and second transmission links to the movement direction of the crucible foot and the direction of the steel crucible move to achieve dynamic balance.
  • the process realizes dynamic balance, which is convenient for high speed weaving, vibration and noise reduction;
  • the numerical control motor drives the sliding slot seat through the speed reducing mechanism to make the sliding groove reciprocally rotate around the center of the groove from the original position.
  • the fixed stroke reciprocating mechanism moves toward the foot of the crucible, the rotor of the first and second transmission coupling joints or The slider is restricted by the sliding slot.
  • the angular displacement in the sliding groove along the direction of the sliding groove makes the angle between the first and second transmission links change, shortening the displacement of the squatting foot, and the overall transmission structure is simple and the components are small. It is easy to manufacture and directly driven by the large and small gears of the speed reduction mechanism or the planetary reduction mechanism or the worm gear reduction mechanism.
  • the transmission is direct, effectively avoiding the ineffective working time of the eccentric rotation of the eccentric cam.
  • the beating speed can reach more than 600 times per minute. High-speed weaving for jet towel machines
  • This paper is equipped with anti-overtravel limit mechanism and adopts the hinged point movement track of the first and second transmission links controlled by the electric motor to control the numerical control motor through the reducer.
  • the first and second transmissions are made by the fixed stroke reciprocating transmission.
  • the linear stroke of the link to the pole foot moves to the pole, so that the stable and adjustable beating is achieved, and the weft yarn is hit at different positions of the weaving mouth.
  • the structure is simple, dynamic balance weaving, and the loom vibration is small. Low noise, fast weaving speed, can achieve different hair height adjustment at any time, with the advantages of stable weaving, fast speed, high precision, error proofing, error prevention, over-travel and long service life.
  • FIG. 1 is a schematic structural view of a first embodiment of the present invention
  • Figure 2 is a schematic view of the beating structure of Figure 1;
  • Figure 3 is a schematic structural view of a second embodiment of the present invention.
  • FIG. 4 is a schematic view of the beating structure of FIG. 1.
  • FIG. 5 is a schematic structural view of another embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • Figure 1 shows a high-speed beating and raising mechanism including an electric box 3, a numerical control servo motor 4, a pinion 5, a large gear 6, a signal projection 7, a signal sensor 8, a chute 10, a first-stage transmission link 11, two The stage drive link 13, the slider or rotor 14, the crank 15, the crank link 151 and the reversing lever 16.
  • the crotch seat 1 is pivoted and rotated by the fulcrum fulcrum 9 as a fulcrum.
  • the fulcrum foot fulcrum 9, the large gear 6, the first and second reversing lever fulcrums, the crank 15, and the pinion 5 are all mounted on the loom frame in the form of bearing rolling connection, and the center distance is relatively fixed.
  • the electric box 3 is sequentially rotated by the numerical control servo motor 4 via the pinion gear 6 to drive the large gear 5, and the shaft of the large gear 5 is fixedly connected with a signal protrusion 7, and the electric box 3 is connected with the signal sensor 8 corresponding to the signal protrusion 7, the large gear 5 is fixedly coupled with a sliding slot 10 extending through its center.
  • One end of the first-stage transmission link 11 is hingedly hinged to one end of the second reversing lever 17 of the fixed-stroke reciprocating mechanism 24 via a hinge point, and the second reversing lever 17 is hinged to the middle of the second reversing lever 17
  • the other end of the second reversing lever 17 is hinged to one end of the short link 18, and the other end of the short link 18 is hinged to one end of the first reversing lever 16, and the middle of the first reversing lever 16 is hinged to the loom frame.
  • the other end of the non-center of the first reversing lever 16 is hinged to one end of the crank link 151, and the other end of the crank link 151 is hinged on the crank 15 to reciprocate with the crank rotation;
  • the other end of the first stage drive link 11 is connected by the link 12 one end of the movable hinged secondary transmission link 13 , and the other end of the secondary transmission linkage 13 is movably hinged on the shank leg 1 of the squatting beating portion or the lever 19 fixedly coupled with the squatting seat, and the linkage contact 12 is provided With rotor or slider 14, rotor or slider 14 limit
  • the chute 10 is rolled or slid in the direction of the chute.
  • a limiting mechanism 20 is arranged on the loom frame or the large gear or the pinion or the synchronous driving shaft thereof.
  • the limiting mechanism is a concentric arc groove on the large gear and the upper limit pin of the loom frame is threaded into the arc slot. Internal limit.
  • the crank 15 passes the crank link 151, the first reversing lever 16, the short link 18, and the second The reversing lever 17 drives the first-stage transmission link 11 to move toward the crucible foot.
  • the numerical control servo motor 4 drives the upper chute to rotate counterclockwise, and when the hinge joint 12 moves in the chute toward the crucible foot 1
  • the first and second stage links are caused to have a certain angle, so that the control seat foot can be moved to the right position in different positions during the beating operation to realize the active raising movement, and the large gear upper sliding groove 10 rotates at different angles. Thereby controlling the first and second stage linkages to produce different angles.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • one end of the first-stage transmission link is hingedly coupled to the swing arm 23, and the two rotors 22 of the swing arm are matched with the two cam plates of the conjugate cam group 21 so that the swing arm rotates in a fixed stroke.
  • the other structure is the same as that of the first embodiment.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • one end of the first-stage transmission link is articulated and pulled to one end of the reversing lever 26, and the middle of the push-pull reversing lever 26 is hinged on the loom frame, and the other end of the reversing lever 26 is hingedly connected to one end of the push-pull link 25, and is pushed and pulled.
  • the other end of the rod 25 is hinged to the swing arm 23, and the two rotors 22 of the swing arm are matched with each other on the cam plates of the conjugate cam group 21 so that the swing arm rotates in a fixed stroke.
  • the other structures are the same as those in the first embodiment.
  • One end of the first-stage transmission link is connected to the crankshaft via the crank coupling point to rotate with the crankshaft.
  • the lateral stroke of the first and second transmission links is adjusted by the crankshaft rotation.
  • the other structures are the same as those in the first embodiment. .
  • the fixed stroke reciprocating mechanism is composed of a crank, a crank link and a reversing lever.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

一种高速打纬起毛机构包括数控滑槽旋转机构、限位机构（20）、固定行程往复机构（24、241、242）、打纬传动联杆、原点信号机构、电箱（3）和打纬筘座部分；数控滑槽旋转机构包括数控伺服电机（4）、小齿轮（5）、大齿轮（6）、滑槽座；数控伺服电机（4）驱动小齿轮（5），小齿轮（5）啮合大齿轮（6），滑槽座在机架上可旋转，大齿轮（6）与滑槽座固定联接且同轴心旋转，滑槽座上设有一中心线通过其圆心的滑槽（10），或大齿轮（6）上设有一中心线通过其圆心的滑槽（10），一、二级联杆（11、13）铰接点支点轴上设有滑块或转子（14），滑块或转子（14）限位于滑槽（10）内呈沿滑槽（10）方向滑动或滚动状态。小齿轮（5）驱动大齿轮（6）旋转实现打纬时一二级联杆（11、13）定角，控制打纬点位置，其结构简单，生产制造方便，筘座打纬稳定，能有效确保起毛织造速度和精度。

Description

一种高速打纬起毛机构 技术领域
本文涉及一种毛巾织机打纬起毛机构，具体说是一种可织造不同毛高的高速数控旋转打纬起毛机构。
背景技术
传统毛巾机起毛机构分为筘动起毛和布动起毛，布动起毛采用控制织机的活动胸梁和后梁从而使织口位移完成起毛，存在驱动能耗高，纱线磨擦大、强度要求高且前后不易同步，生产效率低等不足；筘动起毛通过控制钢筘打纬点的相对位移量从而控制每一纬的毛高实现起毛，相比布动起毛，具有钢筘驱动能耗低，对纱线磨擦小、生产效率高等优点。申请人在先申请的专利号为201210559088.1、201610385569.3的起毛机构，其滑槽座的驱动旋转机构均为偏心凸轮结构，在偏心凸轮旋转形成中，存在旋转角驱动效果要在偏心凸轮旋转180°后达到，驱动无效时间多，每分钟最高打纬速度200-400次，主要运用于剑杆毛巾机，不适应速度400-700转的喷气毛巾机的高速织造，且驱动部件过多，易产生间隙，成本高，易损坏，使用寿命短。
发明内容
为了克服现有技术中数控筘动起毛的驱动机构传动结构复杂，适应筘座打纬速度低等不足，本文由伺服电机小齿轮直接驱动与滑槽座固定联接的大齿轮旋转一定角度，进而实现打纬时一二级联杆定角，从而控制打纬点位置，同时设有限位机构和原点信号机构，其结构简单，生产制造方便，筘座打纬稳定，能有效确保起毛织造速度和精度，小齿轮和大齿轮传动为静摩擦，磨损少。
本文采用的技术方案是：一种高速打纬起毛机构，包括数控滑槽旋转机构、限位机构、固定行程往复机构、打纬传动联杆、原点信号机构、电箱和打纬筘座部分，所述固定行程往复机构活动铰接打纬传动联杆经数控滑槽旋转机构限位驱动打纬筘座部分；所述打纬传动联杆包括一、二级传动联杆，一级传动联杆一端活动铰接固定行程往复机构，另一端经联杆接点活动铰接二级传动联杆一端，二级传动联杆另一端活动铰接于打纬筘座部分的筘座脚上或与筘座脚固定联接的杠 杆上；其特征在于：所述所述数控滑槽旋转机构包括数控伺服电机、小齿轮、大齿轮、滑槽座；数控伺服电机驱动小齿轮，小齿轮啮合大齿轮，滑槽座在机架上可旋转，大齿轮与滑槽座固定联接且同轴心旋转，滑槽座上设有一中心线通过其圆心的滑槽，或大齿轮上设有一中心线通过其圆心的滑槽，一、二级联杆铰接点支点轴上设有滑块或转子，滑块或转子限位于滑槽内呈沿滑槽方向滑动或滚动状态。
进一步地，根据权利要求1所述的高速打纬起毛机构，其特征是：所述数控滑槽旋转机构包括数控伺服电机、行星减速机构或蜗轮蜗杆减速机构、滑槽座；所述行星减速机构或蜗轮蜗杆减速机构输出轴与滑槽座同圆心固定联接。
进一步地，还包括滑槽座旋转角度的限位机构，限位机构包括限位槽或面配合限位块或轴，所述大齿轮上设有限位槽或面，所述限位块或轴固定于机架上且对应限位槽或面对大齿轮的旋转角度呈限位状态。所述限位槽或面也可设在与滑槽座固定联接的零件上。
进一步地，所述固定行程往复机构包括曲柄、曲柄联杆、第一换向杠杆、短联杆、第二换向杠杆，一级传动联杆一端活动铰接于第二换向杠杆非圆心一端，第二换向杠杆中部铰接于织机机架上，第二换向杠杆的非圆心另一端铰接短联杆一端，短联杆另一端铰接第一换向杠杆非圆心一端，第一换向杠杆中部铰接于织机机架上，第一换向杠杆的非圆心另一端铰接曲柄联杆一端，曲柄连杆另一端铰接于曲柄上随曲柄旋转呈往复运动状态。
进一步地，所述固定行程往复机构包括共轭凸轮组和摆臂，摆臂在机架上可旋转，一级传动联杆一端活动铰接于摆臂非圆心上，摆臂上的两转子分别无间隙对应配合在共轭凸轮组两凸轮上使摆臂以摆臂轴心为中心在机架上呈固定行程往复旋转状态。
进一步地，所述原点信号机构为原点信号凸和信号传感器，滑槽座旋转支轴上或与滑槽座同步固定在机架上旋转的轴上设有原点信号凸，固定在机架上的信号传感器对应原定信号凸且连接电箱使筘座呈开筘和开筘大小由电箱控制数控电机经大小减速齿轮驱动滑槽自原点位置旋转一定角度决定状态。
进一步地，所述原点信号机构也可为编码器，滑槽座上或与滑槽座同步旋转的轴上设有编码器，编码器连接电箱使筘座呈开筘和开筘大小由电箱控制数控电 机经大小减速齿轮驱动滑槽自原点旋转角度决定状态。
具体说：
共轭凸轮组运动以其轴心旋转，共轭凸轮组两凸轮片分别对应作用于摆臂的上转子和下转子，摆臂带动一级传动联杆呈固定行程往复运动状态，或曲柄由曲柄联杆驱动第一换向杠杆，再经短联杆驱动第二换向杠杆，再由第二换向杠杆带动一级传动联杆呈固定行程往复运动状态，共轭凸轮曲线可根据实际需要设计织机引纬时的停顿时间；曲柄驱动多节联也可确保引纬时间充足，同时一、二级传动联杆至筘座脚运动方向与钢筘运动方向相反实现动平衡，钢筘运动起毛过程实现动平衡，便于高速织造、减振降噪；
同时数控电机经减速机构带动滑槽座使滑槽自原点位置绕其圆心在一定角度内往复旋转，当固定行程往复机构向筘座脚方向运动时，一、二级传动联杆接点的转子或滑块受滑槽制约，在滑槽内沿滑槽旋转运动方向发生角度位移使一、二级传动联杆夹角发生变化，缩短筘座脚打纬位移量，整体传动结构简单，部件少，制造方便，且直接通过减速机构的大小齿轮或行星减速机构或蜗轮蜗杆减速机构传动，传动直接，有效避免通过偏心凸轮偏心旋转驱动存在的无效工作时间，打纬速度可达每分钟600次以上，便于喷气毛巾机的高速织造
本文设有防超程限位机构且采用由电箱控制数控电机经减速机控制滑槽旋转限位一、二级传动联杆的铰接点运动轨道，通过固定行程往复传动使一、二级传动联杆向筘座脚方向运动至极点时的直线行程发生变化，从而实现筘座稳定、可调的打纬，将纬纱打在织口不同位置，其结构简单、动平衡织造，织机振动小、噪音低、织造速度更快，可随时实现不同毛高要求的调节，具有织造稳定、速度快、精度高、防错、防失误、防超程、使用寿命长等优点。
附图概述
本文的具体特征、性能由以下的实施例及其附图进一步给出。
图1为本文第一实施例结构示意图；
图2为图1打纬结构示意图；
图3为本文第二实施例结构示意图；
图4为图1打纬结构示意图。
图5为本文另一实施例结构示意图。
图中：筘座脚1，钢筘2，电箱3，数控伺服电机4，小齿轮5，大齿轮6，信号凸7，信号传感器8，筘座支点9，滑槽10，一级传动联杆11，铰接接点12，二级传动联杆13，滑块或转子14，曲柄15，曲柄联杆151，第一换向杠杆16，第二换向杠杆17，短联杆18，杠杆19，限位机构20，共轭凸轮组21，转子22，摆臂23，固定行程往复机构24、241、242，推拉联杆25，推拉换向杠杆26。
发明的最佳实施方式
以下结合附图和实施例作进一步说明。
实施例一：
图1所示：一种高速打纬起毛机构包括电箱3、数控伺服电机4、小齿轮5、大齿轮6、信号凸7、信号传感器8、滑槽10，一级传动联杆11、二级传动联杆13、滑块或转子14、曲柄15、曲柄联杆151和换向杠杆16。筘座脚1以筘座支点9为支点摆动旋转。筘座脚支点9、大齿轮6、第一、二换向杠杆支点、曲柄15、小齿轮5均以轴承滚动联接的形式安装于织机机架上，且中心距相对固定。电箱3依次经数控伺服电机4经小齿轮6啮合驱动大齿轮5旋转，大齿轮5固定联接的轴上设有信号凸7，电箱3连接与信号凸7对应的信号传感器8，大齿轮5上固定联接有一贯穿其圆心的滑槽10，一级传动联杆11一端经铰接点活动铰接于固定行程往复机构24的第二换向杠杆17一端，第二换向杠杆17中部铰接于织机机架上，第二换向杠杆17另一端铰接短联杆18一端，短联杆18另一端铰接于第一换向杠杆16一端，第一换向杠杆16中部铰接于织机机架上，第一换向杠杆16的非圆心另一端铰接曲柄联杆151一端，曲柄联杆151另一端铰接于曲柄15上随曲柄旋转呈往复运动状态；一级传动联杆11另一端经联杆接点12活动铰接二级传动联杆13一端，二级传动联杆13另一端活动铰接于筘座打纬部分的筘座脚1上或与筘座脚固定联接的杠杆19上，联杆接点12设有转子或滑块14，转子或滑块14限位于滑槽10内呈沿滑槽方向滚动或滑动状态，当织机钢筘离打纬点最远时，一、二级联杆铰接接点12圆心在滑槽内与大齿轮的圆心重合或一、二级联杆铰接接点12圆心在滑槽内离大齿轮的圆心最近。织机机架上或大齿轮或小齿轮或与其同步的驱动轴上设有限位机构20，限位机构为大齿轮上同心的弧形槽配合织机机架上限位销穿接于弧形槽内限位。
图2所示打纬时，曲柄15经曲柄联杆151、第一换向杠杆16、短联杆18、第二 换向杠杆17带动一级传动联杆11向筘座脚方向运动，此时数控伺服电机4带动控制大齿轮上滑槽逆时针旋转，当铰接接点12在滑槽内向筘座脚1方向运动时使一、二级联杆产生一定的夹角，从而控制筘座脚在打纬时将纬纱向右打在不同的位置，实现活筘起毛运动，大齿轮上滑槽10旋转不同的角度，从而控制一、二级联杆运动时产生不同夹角。
实施例二：
图3、4所示：一级传动联杆一端活动铰接于摆臂23上，摆臂的两转子22无间隙对应配合在共轭凸轮组21两凸轮片上使摆臂呈固定行程往复旋转状态，其他结构与实施例一相同。
实施例三：
图5所示：一级传动联杆一端活动铰接推拉换向杠杆26一端，推拉换向杠杆26中部铰接在织机机架上，推拉换向杠杆26另一端铰接推拉联杆25一端，推拉联杆25另一端活动铰接于摆臂23上，摆臂的两转子22无间隙对应配合在共轭凸轮组21两凸轮片上使摆臂呈固定行程往复旋转状态，其他结构与实施例一相同。
本文可进一步改进，一级传动联杆一端经曲柄联接点连接于曲柄轴上呈随曲柄轴旋转状态，一、二级传动连杆的横向行程由曲柄轴旋转调节，其他结构与实施例一相同。
本文可进一步改进，固定行程往复机构由曲柄、曲柄联杆、换向杠杆组成。

Claims (8)

  1. 一种高速打纬起毛机构，包括数控滑槽旋转机构、限位机构、固定行程往复机构、打纬传动联杆、原点信号机构、电箱和打纬筘座部分，所述固定行程往复机构活动铰接打纬传动联杆经数控滑槽旋转机构限位驱动打纬筘座部分；所述打纬传动联杆包括一、二级传动联杆，一级传动联杆一端活动铰接固定行程往复机构，另一端经联杆接点活动铰接二级传动联杆一端，二级传动联杆另一端活动铰接于打纬筘座部分的筘座脚上或与筘座脚固定联接的杠杆上；其特征在于：所述数控滑槽旋转机构包括数控伺服电机、小齿轮、大齿轮、滑槽座；数控伺服电机驱动小齿轮，小齿轮啮合大齿轮，滑槽座在机架上可旋转，大齿轮与滑槽座固定联接且同轴心旋转，滑槽座上设有一中心线通过其圆心的滑槽，或大齿轮上设有一中心线通过其圆心的滑槽，一、二级联杆铰接点支点轴上设有滑块或转子，滑块或转子限位于滑槽内呈沿滑槽方向滑动或滚动状态。
  2. 根据权利要求1所述的一种高速打纬起毛机构，其特征是：所述数控滑槽旋转机构包括数控伺服电机、行星减速机构或蜗轮蜗杆减速机构、滑槽座；所述行星减速机构或蜗轮蜗杆减速机构输出轴与滑槽座同圆心固定联接。
  3. 根据权利要求1或2所述的一种高速打纬起毛机构，其特征是：还包括滑槽座旋转角度的限位机构，限位机构包括限位槽或面配合限位块或轴，所述大齿轮上设有限位槽或面，所述限位块或轴固定于机架上且对应限位槽或面对大齿轮的旋转角度呈限位状态；所述限位槽或面也可设在于滑槽座固定联接的零件上。
  4. 根据权利要求1或2所述的一种高速打纬起毛机构，其特征是：所述固定行程往复机构包括曲柄、曲柄联杆、第一换向杠杆、短联杆、第二换向杠杆，一级传动联杆一端活动铰接于第二换向杠杆非圆心一端，第二换向杠杆中部铰接于织机机架上，第二换向杠杆的非圆心另一端铰接短联杆一端，短联杆另一端铰接第一换向杠杆非圆心一端，第一换向杠杆中部铰接于织机机架上，第一换向杠杆的非圆心另一端铰接曲柄联杆一端，曲柄连杆另一端铰接于曲柄上随曲柄旋转呈往复运动状态。
  5. 根据权利要求1或2所述的一种高速打纬起毛机构，其特征是：所述固定行程往复机构包括共轭凸轮组和摆臂，摆臂在机架上可旋转，一级传动联杆一端活动铰接于摆臂非圆心上，摆臂上的两转子分别无间隙对应配合在共轭凸轮组两 凸轮上使摆臂以摆臂轴心为中心在机架上呈固定行程往复旋转状态。
  6. 根据权利要求1或2所述的一种高速打纬起毛机构，其特征是：所述固定行程往复机构包括共轭凸轮组、摆臂、推拉联杆、换向杠杆，摆臂和换向杠杆在机架上可旋转，推拉联杆一端铰接于摆臂非圆心上，另一端铰接于换向杠杆非圆心一端，换向杠杆非圆心的另一端铰接一级传动联杆一端。
  7. 根据权利要求1所述的一种高速打纬起毛机构，其特征是：所述原点信号机构为原点信号凸和信号传感器，滑槽座旋转支轴上或与滑槽座同步固定在机架上旋转的轴上设有原点信号凸，固定在机架上的信号传感器对应原定信号凸且连接电箱使筘座呈开筘和开筘大小由电箱控制数控电机经大小减速齿轮驱动滑槽自原点位置旋转一定角度决定状态。
  8. 根据权利要求1所述的一种高速打纬起毛机构，其特征是：所述原点信号机构也可为编码器，滑槽座上或与滑槽座同步旋转的轴上设有编码器，编码器连接电箱使筘座呈开筘和开筘大小由电箱控制数控电机经大小减速齿轮驱动滑槽自原点旋转角度决定状态。
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