WO2022206004A1 - 一种用于缝纫机的刺布挑线模块 - Google Patents

一种用于缝纫机的刺布挑线模块 Download PDF

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Publication number
WO2022206004A1
WO2022206004A1 PCT/CN2021/135972 CN2021135972W WO2022206004A1 WO 2022206004 A1 WO2022206004 A1 WO 2022206004A1 CN 2021135972 W CN2021135972 W CN 2021135972W WO 2022206004 A1 WO2022206004 A1 WO 2022206004A1
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Prior art keywords
thread take
thorn
take
cloth
thorn cloth
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PCT/CN2021/135972
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English (en)
French (fr)
Inventor
郑吉�
柯祥林
祝书伟
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杰克科技股份有限公司
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Publication of WO2022206004A1 publication Critical patent/WO2022206004A1/zh

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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/10—Electrical or electromagnetic drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means
    • D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means
    • D05B27/24—Feed-dog lifting and lowering devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/02—Presser-control devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B49/00—Take-up devices, e.g. levers, for the needle thread
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D05B55/14—Needle-bar drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/30—Driving-gear for loop takers
    • D05B57/36—Driving-gear for loop takers in lock-stitch sewing machines
    • D05B57/38—Shuttle drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B65/00—Devices for severing the needle or lower thread

Definitions

  • the present application relates to the technical field of sewing machines, and in particular, to a thread take-up module for barbed fabrics used in sewing machines.
  • the main motor drives the main shaft 100 to rotate, and the main shaft 100 drives the needle cloth thread take-up mechanism 200, the feeding mechanism 300 and the thread hooking mechanism 400 to operate, then the needle cloth thread take-up mechanism 200, the feeding mechanism 300 and the thread hooking mechanism operate.
  • the transmission structure is very complicated; the power of the thorn cloth thread take-up mechanism 200, the feeding mechanism 300, the thread hooking mechanism 400 and the thread trimming mechanism 500 all come from the main shaft 100, or in other words, the thorn cloth thread take-up mechanism 200, the feeding mechanism 300, the hook
  • the power source of the thread mechanism 400 and the thread trimming mechanism 500 is the main motor, therefore, during sewing, the thread barbed thread take-up mechanism 200, the feeding mechanism 300 and the thread hook mechanism 400 are in a linkage relationship;
  • the thread take-up mechanism 200, the feeding mechanism 300, the thread hooking mechanism 400 and the thread trimming mechanism 500 are in a linkage relationship, so that the relative movement sequence between the mechanisms is uniquely determined and cannot be adjusted by the user. Difference;
  • the sewing machine takes the main motor as the main power source, and transmits the power to the needle bar and thread take-up lever in the thread take-up mechanism 200 of the thorn cloth, the feeding dog and the thread hooking mechanism in the feeding mechanism 300 respectively through a relatively complex transmission structure.
  • the terminal execution components such as the rotary hook in 400 and the moving knife in the thread trimming mechanism 500 also need to add an independent thread trimming drive source 501 and a presser foot lifter drive source 601 to cooperate with the action to realize thread trimming and presser foot lifting, etc. Additional features.
  • the present application proposes a thread take-up module for sewing machine needles, which aims to realize sewing machine needles.
  • the independent drive of the thread take-up module realizes the modular construction of the sewing machine, shortens the transmission chain, and realizes the independent adjustment of the movement sequence of the thorn cloth lifting process.
  • the present invention provides a thorn cloth thread take-up module for a sewing machine.
  • the thorn cloth thread take-up module of the sewing machine is driven by an independent power source, and the motion sequence can be adjusted independently, thereby shortening the entire transmission chain of the sewing machine.
  • the components that realize the function of thorn cloth thread take-up are combined to form a modular structure that is independently driven by the thorn cloth thread take-up drive source, and are jointly arranged in the thorn cloth thread take-up shell, and the movement sequence of the thorn cloth thread take-up functional components can be adjusted independently. , shortens the overall transmission chain of the sewing machine, improves the convenience of the control and scheduling of the sewing machine, and facilitates the maintenance of the sewing machine.
  • the thorn cloth thread take-up drive source provides rotational power
  • the thorn cloth thread take-up transmission mechanism is further provided in the thorn cloth thread take-up drive mechanism
  • the thorn cloth thread take-up drive source connects the needle and the thread take-up lever through the thorn cloth thread take-up transmission mechanism.
  • the rotating power of the thread take-up drive source for thorn cloth is adjusted by the thorn cloth thread take-up transmission mechanism, which is converted into the swing of the needle and the thread take-up lever, the structure is reliable and the drive is convenient.
  • a connecting rod is rotatably provided on the second shaft portion, a sliding block is provided at the outer end of the connecting rod, and a longitudinal slide rail matching the sliding block is provided on the thorn cloth thread take-up housing.
  • the connecting rod sliding block cooperates with the second shaft part to realize the conversion from the rotation to the linear motion of the driving source for the thread take-up of the thorn cloth, and realize the reliable reciprocating motion of the machine needle.
  • a first connecting rod is rotatably provided on the thread take-up housing of the thorn cloth, the first shaft portion is hinged with the first connecting rod, the thread take-up lever is arranged at the outer end of the first shaft portion, and the thread take-up lever and the first shaft portion Fixed settings.
  • the first link completes the position limit of the first shaft portion, and completes the control of the swing position and swing amplitude of the thread take-up lever.
  • first shaft portion and the second shaft portion are eccentric, and the first shaft portion and the second shaft portion are respectively located on two sides of the thorn cloth thread take-up transmission shaft. It is convenient for the first shaft portion and the second shaft portion to be connected with corresponding mechanisms respectively, and the interference of the first shaft portion and the second shaft portion is prevented.
  • the outer end of the connecting rod is provided with a connecting rod perpendicular to the axis of the connecting rod, one end of the connecting rod is hinged with the slider, and the other end of the connecting rod is provided with a hoop for fixing the needle rod.
  • the end of the connecting rod and the slider are rotated and matched, and there will be no positional interference between the two.
  • the hoop at the outer end of the connecting rod realizes a fixed connection with the needle rod. Therefore, the connecting rod can drive the connecting rod to slide in a reliable longitudinal direction to ensure the reliable lifting and lowering of the needle. sex.
  • a motor is used as the driving source for the thread pick-up of the barbed cloth. Stable output, easy installation and control.
  • the rear side of the thorn cloth thread take-up housing is provided with an installation groove corresponding to the thorn cloth thread take-up drive source
  • the front side of the thorn cloth thread take-up housing is provided with an installation cavity
  • the upper output shaft extends from the thorn cloth thread take-up drive source
  • the installation cavity is provided with an installation circular groove for connecting the crank
  • the longitudinal slide rail is fixed on the wall surface of the installation cavity corresponding to the lower side of the installation circular groove
  • the bottom of the installation cavity is provided with a longitudinal limit hole corresponding to the needle rod.
  • the barbed wire pick-up housing plays an integrated installation role, and each component of the barbed wire pick-up module is installed on the barbed wire pick-up housing, with good integration performance and high modular integration.
  • FIG. 2 is a schematic structural diagram of a sewing machine to which the present invention is applied.
  • FIG. 4 is a schematic structural diagram of the barbed wire picking cloth housing of the present invention.
  • the thorn cloth thread take-up drive source 13 is connected to the needle 15 and the Thread take-up lever 16.
  • the thorn cloth thread take-up transmission mechanism 12 includes an output upper shaft 17 connected to the thorn cloth thread take-up drive source 13, the outer end of the output upper shaft 17 is provided with a connection crank 18, and the connection crank 18 is provided with a thorn cloth eccentric to the output upper shaft 17.
  • the thread take-up drive shaft 19, the thorn cloth thread take-up drive shaft 19 is provided with a first shaft portion 110 and a second shaft portion 111 that are eccentric with the output upper shaft 17, the first shaft portion 110 and the second shaft portion 111 are eccentric, and the first shaft portion 110 and the second shaft portion 111 are eccentric.
  • a sewing machine applied in this application includes a machine head housing 5, a sewing platform 6, a thorn cloth thread take-up module 1, a tooth lifting thread hooking module 3, a presser foot lifting module 2 and a feeder cloth module 4.
  • the barbed wire picking module and the presser foot lifting module 2 are arranged in the head casing 5, one end of the head casing 5 is fixedly connected with the sewing platform 6, and the head casing 5 is in a cantilever structure.
  • the lower side of the sewing platform 6 is provided with a thread raising module 3 and a cloth feeding module 4 , and the machine head housing 5 completes the hidden and fixed setting of the thread pulling module 1 for thorn cloth.
  • the barbed thread take-up drive source 13 drives the needle bar 14 to move up and down through the barbed thread take-up transmission mechanism 12, and the needle bar 14 drives the needle 15 to move back and forth to perform the barbed action;
  • the thread lever 16 passes through, and the thread take-up drive source 13 drives the thread take-up lever 16 to swing up and down through the thread take-up transmission mechanism 12 to perform the thread take-up action.
  • the transmission structure between the output upper shaft 17 and other functional modules in the original sewing machine is cancelled, on the one hand, the transmission chain of each functional module is shortened, and the vibration and noise caused by the long transmission chain are avoided.
  • the relative movement sequence and movement law of the functional modules for example, can adjust the time of hooking of the hook relative to the needle 15, and adjust the movement track of the feed dog, thereby greatly improving the sewing adaptability.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

一种用于缝纫机的刺布挑线模块，其包括刺布挑线壳体，刺布挑线壳体上设有机针和用于驱动机针纵向往复移动的刺布挑线驱动源，刺布挑线壳体内设有挑线杆，刺布挑线驱动源驱动挑线杆上下摆动。该用于缝纫机的刺布挑线模块将实现刺布挑线功能的组件组合形成由刺布挑线驱动源独立驱动的模块化结构，并共同设置在刺布挑线壳体内，使得刺布挑线功能部件的运动时序能够独立调整，缩短了缝纫机整体的传动链，提高了缝纫机控制调度的便捷性，并方便缝纫机维修。

Description

一种用于缝纫机的刺布挑线模块 技术领域
本申请涉及缝纫机技术领域，尤其涉及一种用于缝纫机的刺布挑线模块。
背景技术
缝纫机具有刺料动作、挑线动作、送料动作和勾线动作四大基础动作，就能实现缝料的基础缝制，再添加一些辅助动作，比如剪线动作、抬压脚动作、松线动作、调针距动作等。目前，现有技术中的缝纫机的结构如图1所示，主要包括主电机、由主电机驱动转动的主轴100、刺布挑线机构200、送料机构300、勾线机构400、剪线机构500、以及抬压脚机构600，其中，刺布挑线机构200、送料机构300和勾线机构400都由主轴100驱动运转，剪线机构500中剪线凸轮由勾线机构400中的下轴驱动转动，剪线机构500具有独立于主电机的剪线驱动源501，抬压脚机构600具有独立于主电机的抬压脚驱动源601。现有技术中的缝纫机运转时，主电机驱动主轴100转动，主轴100带动刺布挑线机构200、送料机构300和勾线机构400运转，则刺布挑线机构200、送料机构300和勾线机构400协同配合动作，完成缝纫；需要剪线时，剪线驱动源501动作，使剪线机构500中的传动部件与剪线凸轮配合，主轴100转动，使得勾线机构400中的下轴转动，由此使剪线机构500执行剪线动作；需要抬压脚时，抬压脚驱动源601动作，使抬压脚机构600执行抬压脚动作。然而，现有缝纫机存在下述缺陷：
1、传动结构非常复杂；刺布挑线机构200、送料机构300、勾线机构400和剪线机构500的动力均来自于主轴100，或者说，刺布挑线机构200、送料机构300、勾线机构400和剪线机构500的动力源都为主电机，因此，在缝纫时，刺布挑线机构200、送料机构300和勾线机构400之间为联动关系；在剪线时，刺布挑线机构200、送料机构300、勾线机构400和剪线机构500之间为联动关系，从而导致各机构之间的相对运动时序唯一确定，用户无法调节，对不同类型面料的缝纫适应性较差；
2、缝纫机以主电机为主动力源，通过比较复杂的传动结构，分别将动力传递至刺布挑线机构200中的针杆和挑线杆、送料机构300中的送布牙、勾线机构400中的旋梭、以及剪线机构500中的动刀这些终端执行部件，还需要额外增设独立的剪线驱动源501和抬压脚驱动源601来配合动作，实现剪线和抬压脚等附加功能。因此，缝纫机整体的结构形式复杂，传动链较长，容易引起震动、噪声等不良后果；比如：送料机构300中两根较长的抬牙连杆和送布连杆的高速转动会引起较大的噪声，且极易磨损；传动链过长会导致运动部件的装配精度和零件加工精度要求等无法准确保证；
3、机壳结构复杂，制造精度要求高；机壳分为上下节，为了实现上节的动力传递到下节，且从机壳右端传递到机壳左端，相对的送料机构300中的抬牙轴和送料轴，勾线机构400中的下主轴都从机壳右端整轴通到机壳左端，那么对机壳中相应安装孔的同轴度、同心度及精度都要求非常高，这就需要运用到一些专用的加工设备、工装夹具。
基于现有技术的上述不足，为缝纫机的不同功能部件设置独立的驱动源就很有必要了，本申请在此基础上提出一种用于缝纫机的刺布挑线模块，旨在实现缝纫机刺布挑线模块的独立驱动，实现缝纫机的模块化构建，缩短传动链，实现对刺布抬牙工序的运动时序的独立调整。
发明内容
基于现有技术中的上述不足，本发明提供了一种用于缝纫机的刺布挑线模块，缝纫机的刺布挑线模块通过独立电源驱动，运动时序能够独立调整，缩短缝纫机整体的传动链。
为了实现上述发明目的，本发明采用以下技术方案。
一种用于缝纫机的刺布挑线模块，其特征在于，包括刺布挑线壳体，刺布挑线壳体上设有机针和用于驱动机针纵向往复移动的刺布挑线驱动源，刺布挑线壳体内还设有挑线杆，刺布挑线驱动源驱动挑线杆上下摆动。
本申请将实现刺布挑线功能的组件组合形成又刺布挑线驱动源独立驱动的模块化结构，并共同设置在刺布挑线壳体内，刺布挑线功能部件的运动时序能够独立调整，缩短了缝纫机整体的传动链，提高缝纫机的控制调度的便捷性，方便缝纫机维修。
作为优选，刺布挑线驱动源提供旋转动力，刺布挑线壳体内还设有刺布挑线传动机构，刺布挑线驱动源通过刺布挑线传动机构连接机针和挑线杆。刺布挑线驱动源的旋转动力通过刺布挑线传动机构调整，转化为对机针和挑线杆的摆动，结构可靠，驱动方便。
作为优选，刺布挑线传动机构包括连接刺布挑线驱动源的输出上轴，输出上轴的外端设有连接曲柄，连接曲柄上设有与输出上轴偏心的刺布挑线传动轴，刺布挑线传动轴上设有与输出上轴偏心的第一轴部和第二轴部，第一轴部与挑线杆配合；第二轴部配合一针杆，机针设置在针杆上。连接曲柄配合输出上轴和刺布挑线传动轴形成偏心结构，刺布挑线传动轴配合第一轴部和第二轴部形成两个分开设置的曲柄连杆机构，从而实现针杆和挑线杆的分别摆动。
作为优选，第二轴部上转动设有连杆，连杆外端设有滑块，刺布挑线壳体上设有配合滑块的纵向滑轨。连杆滑块配合第二轴部，实现刺布挑线驱动源从转动到直线运动的转换，实现机针的可靠往复运动。
作为优选，刺布挑线壳体上转动设有第一连杆，第一轴部和第一连杆铰接，挑线杆设置在第一轴部的外端，挑线杆和第一轴部固定设置。第一连杆完成对第一轴部的位置限位，完成挑线杆摆动位置和摆动幅度的控制。
作为优选，第一轴部和第二轴部偏心，第一轴部和第二轴部分别位于刺布挑线传动轴的两侧。方便第一轴部和第二轴部分别与对应的机构连接，防止第一轴部和第二轴部干涉。
作为优选，连杆外端设有垂直连杆轴线设置的连接杆，连接杆的一端和滑块铰接，连接杆的另一端设有配合固定针杆的抱箍。连接杆端部和滑块转动配合，两者不会出现位置干涉，连接杆外端的抱箍实现和针杆的固定连接，因此连杆能够带动连接杆可靠的纵向滑动，保证机针升降的可靠性。
作为优选，所述刺布挑线驱动源采用电机。输出稳定，安装和控制方便。
作为优选，刺布挑线壳体后侧设有对应刺布挑线驱动源的安装槽，刺布挑线壳体的前侧设有安装腔，输出上轴从刺布挑线驱动源伸出到安装腔内，安装腔上设有配合连接曲柄的安装圆槽，纵向滑轨固定在对应安装圆槽下侧的安装腔壁面上，安装腔的底部设有对应针杆的纵向限位孔。刺布挑线壳体起到了一个集成安装的作用，刺布挑线模块的各个组件安装在刺线挑布壳体上，集成性能好，模块化集成度高。
本发明具有如下有益效果：将刺布挑线机构模块化，采用独立的驱动源进行驱动，缩短了刺布挑线功能模块和其他模块之间的传动链，避免因传动链过长而引起的振动、噪声、机壳难加工等问题，另一方面可以调整刺布挑线模块与其他功能模块的相对运动时序，比如可以依据布料的厚薄能够调整刺布挑线模块和旋梭勾线模块的时序，由此大大提升缝纫适应性。
附图说明
图1为现有技术中缝纫机的结构示意图。
图2是本发明应用的缝纫机的结构示意图。
图3是本发明中刺线挑布壳体内起刺线挑布功能的各零件的连接示意图。
图4是本发明的刺线挑布壳体的结构示意图。
图5是本发明应用的缝纫机的外观示意图。
图中：刺布挑线模块1 抬压脚模块2 抬牙勾线模块3 送布模块4 机头壳体5 缝纫平台6 刺布挑线壳体11 刺布挑线传动机构12 刺布挑线驱动源13 针杆14 机针15 挑线杆16 输出上轴17 连接曲柄18 刺布挑线传动轴19 第一轴部110 第二轴部111 第一连杆112 连杆113 滑块114 连接杆115 抱箍116 纵向滑轨117 安装槽118 安 装腔119 安装圆槽120 纵向限位孔121。
具体实施方式
下面结合附图和具体实施例对本发明进行进一步的阐述。
以下由特定的具体实施例说明本发明的实施方式，熟悉此技术的人士可由本说明书所揭露的内容轻易地了解本发明的其他优点及功效。
须知，本说明书附图所绘的结构、比例、大小等，均仅用以配合说明书所揭示的内容，以供熟悉此技术的人士了解与阅读，并非用以限定本发明可实施的限定条件，故不具技术上的实质意义，任何结构的修饰、比例关系的改变或大小的调整，在不影响本发明所能产生的功效及所能达成的目的下，均应仍落在本发明所揭示的技术内容能涵盖的范围内。同时，本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语，亦仅为便于叙述明了，而非用以限定本发明可实施的范围，其相对关系的改变或调整，在无实质变更技术内容下，当亦视为本发明可实施的范畴。
实施例，
如图2到图4所示，一种用于缝纫机的刺布挑线模块，包括刺布挑线壳体11，刺布挑线壳体11上设有机针15和用于驱动机针15纵向往复移动的刺布挑线驱动源13，刺布挑线驱动源13采用电机。刺布挑线壳体11内还设有挑线杆16，刺布挑线驱动源13驱动挑线杆16上下摆动。刺布挑线驱动源13提供旋转动力，刺布挑线壳体11内还设有刺布挑线传动机构12，刺布挑线驱动源13通过刺布挑线传动机构12连接机针15和挑线杆16。刺布挑线传动机构12包括连接刺布挑线驱动源13的输出上轴17，输出上轴17的外端设有连接曲柄18，连接曲柄18上设有与输出上轴17偏心的刺布挑线传动轴19，刺布挑线传动轴19上设有与输出上轴17偏心的第一轴部110和第二轴部111，第一轴部110和第二轴部111偏心，第一轴部110和第二轴部111分别位于刺布挑线传动轴19的两侧。第一轴部110与挑线杆16配合；刺布挑线壳体11上转动设有第一连杆113112，第一轴部110和第一连杆113112铰接，挑线杆16设置在第一轴部110的外端，挑线杆16和第一轴部110固定设置。第二轴部111配合一针杆14，机针15设置在针杆14上。第二轴部111上转动设有连杆113，连杆113外端设有滑块114，连杆113外端设有垂直连杆113轴线设置的连接杆115，连接杆115的一端和滑块114铰接，连接杆115的另一端设有配合固定针杆14的抱箍116。刺布挑线壳体11上设有配合滑块114的纵向滑轨117。刺布挑线壳体11后侧设有对应刺布挑线驱动源13的安装槽118，刺布挑线壳体11的前侧设有安装腔119，输出上轴17从刺布挑线驱动源13伸出到安装腔119内，安装腔119上设有配合连接曲柄18的安装圆槽120，纵向滑轨117固定在对应安装圆槽 120下侧的安装腔119壁面上，安装腔119的底部设有对应针杆14的纵向限位孔121。
本申请将实现刺布挑线功能的组件组合形成又刺布挑线驱动源13独立驱动的模块化结构，并共同设置在刺布挑线壳体11内，刺布挑线功能部件的运动时序能够独立调整，缩短了缝纫机整体的传动链，提高缝纫机的控制调度的便捷性，方便缝纫机维修。
如图2和图5所示，本申请所应用的一种缝纫机，包括机头壳体5、缝纫平台6、刺布挑线模块1、抬牙勾线模块3、抬压脚模块2和送布模块4。刺线挑布模块和抬压脚模块2设置在机头壳体5内，机头壳体5的一端和缝纫平台6固定连接，机头壳体5呈悬臂结构。缝纫平台6下侧设置抬牙勾线模块3和送布模块4，机头壳体5完成了刺布挑线模块1的隐藏固定设置。
刺线挑布模块运转时，刺布挑线驱动源13通过刺布挑线传动机构12驱动针杆14上下往复移动，针杆14带动机针15往复移动，执行刺布动作；面线从挑线杆16中穿过，刺布挑线驱动源13通过刺布挑线传动机构12驱动挑线杆16上下往复摆动，执行挑线动作。取消原缝纫机中输出上轴17与其他功能模块之间的传动结构，一方面缩短了各功能模块的传动链，避免因传动链过长而引起的振动、噪声等问题，另一方面可以调整各功能模块的相对运动时序和运动规律，比如可以调节旋梭相对机针15的勾线时刻的早晚、调整送布牙的运动轨迹等，由此大大提升缝纫适应性。
综上所述，本发明有效克服了现有技术中的种种缺点而具高度产业利用价值。
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。

Claims (9)

  1. 一种用于缝纫机的刺布挑线模块，其特征在于，包括刺布挑线壳体(11)，刺布挑线壳体(11)上设有机针(15)和用于驱动机针(15)纵向往复移动的刺布挑线驱动源(13)，刺布挑线壳体(11)内还设有挑线杆(16)，所述刺布挑线驱动源(13)驱动挑线杆(16)上下摆动。
  2. 根据权利要求1所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述刺布挑线驱动源(13)提供旋转动力，刺布挑线壳体(11)内还设有刺布挑线传动机构(12)，刺布挑线驱动源(13)通过刺布挑线传动机构(12)连接机针(15)和挑线杆(16)。
  3. 根据权利要求2所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述刺布挑线传动机构(12)包括连接刺布挑线驱动源(13)的输出上轴(17)，输出上轴(17)的外端设有连接曲柄(18)，连接曲柄(18)上设有与输出上轴(17)偏心的刺布挑线传动轴(19)，刺布挑线传动轴(19)上设有与输出上轴(17)偏心的第一轴部(110)和第二轴部(111)，第一轴部(110)与挑线杆(16)配合；第二轴部(111)配合一针杆(14)，机针(15)设置在针杆(14)上。
  4. 根据权利要求3所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述第二轴部(111)上转动设有连杆(113)，连杆(113)外端设有滑块(114)，刺布挑线壳体(11)上设有配合滑块(114)的纵向滑轨(117)。
  5. 根据权利要求3所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述刺布挑线壳体(11)上转动设有辅助连杆(112)，第一轴部(110)和辅助连杆(112)铰接，挑线杆(16)设置在第一轴部(110)的外端，挑线杆(16)和第一轴部(110)固定设置。
  6. 根据权利要求3或4或5所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述第一轴部(110)和第二轴部(111)偏心，第一轴部(110)和第二轴部(111)分别位于刺布挑线传动轴(19)的两侧。
  7. 根据权利要求4所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述连杆(113)外端设有垂直连杆(113)轴线设置的连接杆(115)，连接杆(115)的一端和滑块(114)铰接，连接杆(115)的另一端设有配合固定针杆(14)的抱箍(116)。
  8. 根据权利要求2或3所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述刺布挑线驱动源(13)采用电机。
  9. 根据权利要求4或7所述的一种用于缝纫机的刺布挑线模块，其特征在于，所述刺布挑线壳体(11)后侧设有对应刺布挑线驱动源(13)的安装槽(118)，刺布挑线壳体(11)的前侧设有安装腔(119)，输出上轴(17)从刺布挑线驱动源(13)伸出到安装腔(119)内，安 装腔(119)上设有配合连接曲柄(18)的安装圆槽(120)，纵向滑轨(117)固定在对应安装圆槽(120)下侧的安装腔(119)壁面上，安装腔(119)的底部设有对应针杆(14)的纵向限位孔(121)。
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