WO2014169662A1 - 一种双排绣花机 - Google Patents

一种双排绣花机 Download PDF

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Publication number
WO2014169662A1
WO2014169662A1 PCT/CN2013/088080 CN2013088080W WO2014169662A1 WO 2014169662 A1 WO2014169662 A1 WO 2014169662A1 CN 2013088080 W CN2013088080 W CN 2013088080W WO 2014169662 A1 WO2014169662 A1 WO 2014169662A1
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WO
WIPO (PCT)
Prior art keywords
needle
row
spindle
pulley
double
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Application number
PCT/CN2013/088080
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English (en)
French (fr)
Inventor
杨文广
Original Assignee
江西禾丰电子机械有限公司
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Publication date
Application filed by 江西禾丰电子机械有限公司 filed Critical 江西禾丰电子机械有限公司
Publication of WO2014169662A1 publication Critical patent/WO2014169662A1/zh

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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C3/00—General types of embroidering machines
    • D05C3/02—General types of embroidering machines with vertical needles

Definitions

  • the invention belongs to a textile device, and in particular relates to a double row embroidery machine.
  • the embroidery machines on the market are single-row embroidery machines.
  • embroidering only one row of embroidery needles is working.
  • a single-row embroidery machine with 20 heads, head distance 330 and one-way 660 is used, for example, the total length is 8495MM.
  • the 20-head embroidery machine is in operation, only 20 needles (each head can only have one needle at work) work at the same time, and there is a defect that the work efficiency is not high.
  • the object of the present invention is to provide a double-row embroidery machine to solve the problem of low working efficiency of the conventional single-row embroidery machine, and the double-row embroidery machine can be in the same length, the same head distance, the same stroke and the same speed. In the case of the embroidery machine, the work efficiency is doubled.
  • the present invention mainly adopts the following technical solutions:
  • a double-row embroidery machine comprises a frame, a workbench mounted on the frame and a motor seat, wherein the motor base is equipped with a spindle motor, the workbench is provided with a frame, and a frame is arranged on the frame
  • the front side of the girder is provided with a front head spindle
  • the front head spindle is provided with a plurality of front row heads
  • the rear side of the beam is provided with a rear head spindle
  • the rear head spindle is mounted with a plurality of rear parts.
  • a power conversion box is installed in the girders, and the power conversion box includes a fixed plate and a box, wherein the box is equipped with a spindle synchronous pulley, a first pulley and a second pulley, and the first belt The wheel and the second pulley rotate in opposite directions by the spindle timing pulley.
  • the spindle timing pulley is drivingly coupled to the spindle motor via a timing belt.
  • one end of the front head spindle is mounted with a front timing pulley, and the front timing belt is connected to the second pulley through a front timing belt.
  • one end of the rear head spindle is mounted with a rear timing pulley, and the rear timing belt is drivingly connected to the first pulley through a rear timing belt.
  • one end of the girders is mounted with an operation panel, and the operation panel is provided with a control device, and the control device comprises a main control module and an input module, an output module, a spindle control module and a switch connected to the main control module.
  • Module and disconnection detection module wherein the input module is used for input operation by the user, the output module is used for displaying the input process and the operation result, the spindle control module is used for controlling the operation of the spindle motor, and the switch module is used for realizing the stroke and the limit position.
  • the disconnection detection module is used to detect whether the machine head is disconnected and send the detection result to a disconnection alarm device to generate an alarm.
  • the disconnection alarm device comprises a plurality of alarm lights and a plurality of alarm lamp driving boards, each of which is connected to the disconnection detecting module, and each alarm light driving board is used to drive an alarm light.
  • a plurality of alarm lights are disposed on the girders and are in one-to-one correspondence with the plurality of heads.
  • the handpiece includes a head housing, a driving rod for driving the embroidery needle, a presser foot for positioning the embroidery needle, a presser foot driver for driving and positioning the presser foot, and an independent driving station.
  • a driving device for a presser foot drive the driving device comprising a reciprocating rotating drive shaft, a twisting arm disposed on the driving shaft, and a connecting arm rotatably disposed on the presser foot driver, the other end of the connecting arm being The rotation is set on the twist arm.
  • one or both ends of the driving shaft are provided with a fixing seat, the fixing seat is disposed in the head housing; the driving shaft is provided with a stepping motor, and the stepping motor is disposed on the machine
  • the head housing is connected to the drive shaft through a belt pulley; the drive shaft is provided with a pulley or a gear at one end; and the presser foot is provided with a protrusion matched with the presser foot block provided by the presser foot driver, The presser foot block cooperates with the bump on the presser foot to raise the limit presser foot.
  • the embroidery needle comprises a needle handle, a needle and a needle bar connected between the needle handle and the needle, the needle handle being mounted in the drive rod, the needle head being formed with a needle blade and having a pinhole
  • the needle and the needle bar are recessed along the longitudinal direction of the embroidery needle to form a needle groove, and the needle groove is connected with the pinhole;
  • the surface of the embroidery needle is plated with a nickel layer or a chromium layer, and the surface roughness thereof is It is between 0.4 and 0.8 ⁇ m.
  • the invention installs a row of machine heads on the front and rear sides of the main beam on the workbench, and provides the reverse rotation power for the front and rear two rows of machine heads through the power conversion box through the power conversion box, respectively driving the front and rear two rows of machine heads, And keep the two rows of heads in sync at work.
  • the double-row head of the invention realizes simultaneous embroidery, which can double the work efficiency.
  • Figure 1 is a front elevational view of a double row embroidery machine of the present invention.
  • Figure 2 is a plan view of the double row embroidery machine of the present invention.
  • FIG. 3 is a schematic structural view of a power conversion box in a double-row embroidery machine of the present invention.
  • Figure 4 is a right side view of the double row embroidery machine of the present invention.
  • Fig. 5 is a structural block diagram of a control device in the double-row embroidery machine shown in Fig. 1.
  • Figure 6 is a perspective view showing the structure of the head of the double-row embroidery machine shown in Figure 1.
  • Figure 7 is a plan view showing a portion of the structure of the handpiece shown in Figure 6.
  • Figure 8 is a plan view showing a portion of the structure of the handpiece shown in Figure 6.
  • Figure 9 is a schematic view showing the structure of the embroidery needle in the double-row embroidery machine shown in Figure 1.
  • Figure 10 is a schematic cross-sectional view of the embroidery needle shown in Figure 9.
  • the illustrations in the figure indicate: rack 1, workbench 2, operation panel 3, front row head 4, rear row head 5, motor base 6, spindle motor 601, timing belt 7, power conversion box 8, spindle timing pulley 801, housing 802, fixing plate 803, first pulley 804, second pulley 805, gird 9, front timing pulley 10, rear timing pulley 11, front timing belt 12, rear timing belt 13, frame 14 , front head spindle 15, rear head spindle 16, main control module 31, input module 32, output module 33, spindle control module 34, switch module 35, disconnection detection module 36, alarm light drive board 37, alarm light 38
  • the head housing 41, the driving rod 43, the embroidery needle 42, the presser foot 44, the presser foot driver 45, the drive shaft 461, the twist arm 462, the connecting arm 463, the fixing base 464, the stepping motor 465, the bump 466, and the pressure The foot block 467, the needle handle 421, the needle 422, the needle bar 423, the pinhole 424, and the needle groove 425.
  • FIG. 1 is a front view of a double-row embroidery machine of the present invention
  • FIG. 2 is a top view of the double-row embroidery machine of the present invention
  • FIG. 3 is a double-row embroidery machine of the present invention.
  • Fig. 4 is a right side view of the double row embroidery machine of the present invention.
  • the invention provides a double-row embroidery machine, which is mainly used for solving the problem that the current single-row embroidery machine has low working efficiency, and installs a row of machine heads on the front and rear sides of the main beam on the worktable, and passes through the main shaft.
  • the motor is powered by the power conversion box to provide reverse rotation power for the front and rear two rows of heads, respectively, to drive the front and rear two rows of heads to achieve the purpose of double the work efficiency.
  • the double-row embroidery machine of the present invention comprises a frame 1, a table 2 and a motor base 6 mounted on the frame 1.
  • the table 2 is provided with a frame 14 on which the frame 9 is provided with a beam 9 and a beam 9
  • the operation panel 3 is mounted at one end and the power conversion box 8 is mounted at the other end.
  • the motor base 6 is mounted on the frame 1 and is located directly below the power conversion box 8.
  • the motor housing 6 is mounted with a spindle motor 601.
  • the power conversion box 8 includes a fixing plate 803 and a housing fixedly mounted on the fixing plate 803. 802, a spindle timing pulley 801 is mounted on one side of the casing 802, a first pulley 804 and a second pulley 805 are mounted on the other side, and the first pulley 804 and the second pulley 805 are synchronized by the spindle.
  • the pulley 801 drives the reverse rotation; the spindle timing pulley 801 is driven and connected to the spindle motor 601 through the timing belt 7.
  • the spindle motor 601 rotates, the spindle synchronous pulley 801 is driven to rotate, and the spindle synchronous pulley 801 is driven.
  • the pulley 804 and the second pulley 805 rotate in opposite directions.
  • the front side of the girders 9 is provided with a front head spindle 15, on which a plurality of front row heads 4 are mounted, and a front timing pulley 10 is mounted at one end of the front head spindles 15, the front The timing pulley 10 is drivingly connected to the second pulley 805 through the front timing belt 12; a rear head spindle 16 is disposed on the rear side of the beam 9, and the rear head spindle 16 is mounted with a plurality of rear row heads 5, Further, a rear timing pulley 11 is mounted at one end of the rear head spindle 16 and the front head spindle 15, and the rear timing pulley 11 is drivingly coupled to the first pulley 804 through the rear timing belt 13.
  • the present invention controls the operation of the handpiece by an operation panel 3 mounted at one end of the front side of the beam 9, is powered by a spindle motor 601 mounted on the frame 1, and is powered by a power conversion box mounted below the beam 9 and above the spindle motor 601. 8 converting the power provided by the spindle motor 601 into two opposing rotational forces, by which the front timing pulley 10 and the rear timing pulley 11 on the front and rear sides of the beam 9 are rotated, and the front timing pulley is rotated. 10.
  • the rear timing pulley 11 drives the front head spindle 15 and the rear head spindle 16 respectively to realize the control of the machine head, and then the embroidery needle is driven by the linkage mechanism inside the front and rear main shafts of the front and rear. .
  • the double-row embroidery machine of the present invention has two rows of heads and can work at the same time, while the ordinary embroidery machine has only one row of heads, in the same length, the same head distance, the same stroke, and the same speed, Compared with the ordinary embroidery machine, the double-row embroidery machine of the invention doubles the handpiece, so the double-row embroidery machine of the invention has twice the working efficiency of the ordinary embroidery machine.
  • a control device is disposed in the operation panel 3, and the control device includes a main control module 31, an input module 32 connected to the main control module 31, an output module 33, a spindle control module 34, and a switch module. 35 and disconnection detection module 36.
  • the main control module 31 is a 32-bit RISC
  • the ARM7 processor LPC2214 is the core; the input module 32 is implemented by the keyboard for the user to perform input operations; the output module 33 is implemented by the liquid crystal screen for displaying the input process and the operation result; the spindle control module 34 is for controlling the spindle motor work.
  • the switch module 35 is used to implement the on/off operation of the stroke and the limit.
  • the disconnection detection module 36 is configured to detect whether the nose is disconnected and send the detection result to a disconnection alarm device to generate an alarm.
  • the disconnection alarm device includes a plurality of alarm light driving boards 37 and a plurality of alarm lights 38, and a plurality of alarm light driving boards 37 are connected to the disconnection detecting module 36, and each alarm light is driven.
  • the plate 37 is used to drive an alarm light 38, which is disposed on the girders and corresponds to a plurality of heads.
  • the handpiece 4 includes a head housing 41, a drive rod 43 for driving the embroidery needle 42, a presser foot 44 for positioning the embroidery needle 42, a presser foot driver 45 for driving and positioning the presser foot 44, and an independent a driving device for driving the presser foot driver 45, the driving device includes a reciprocating driving shaft 461, a twisting arm 462 disposed on the driving shaft 461, and a connecting arm 463 rotatably disposed on the presser foot driver 45. The other end of the connecting arm 463 is rotatably disposed on the torsion arm 462.
  • the driving shaft 461 is provided with a fixing seat 464 at one end or both ends, and the fixing base 464 is disposed in the head housing 41.
  • the driving shaft 461 is provided with a stepping motor 465.
  • the stepping motor 465 is disposed on the head housing 41 and connected to the driving shaft 461 through a belt pulley; the driving shaft 461 is provided with a pulley or a gear at one end; and the pressing foot 44 is provided with a presser foot driver
  • the protrusion 466 of the presser foot block 467 is provided with 45, and the presser foot block 467 cooperates with the protrusion 466 on the presser foot 44 to raise the limit presser foot 44.
  • the embroidery needle 42 includes a needle handle 421, a needle 422, and a needle bar 423 connected between the needle handle 421 and the needle 422, and the needle handle 421 is mounted in the drive rod 43, on the needle 422 a needle hole 424 is formed and a pinhole 424 is formed.
  • the needle 422 and the needle bar 423 are recessed along the longitudinal direction of the embroidery needle 42 to form a needle groove 425.
  • the needle groove 425 is connected with the pin hole 424.
  • the important function of the needle groove 425 is to retract the embroidery thread from the needle groove 425 during the process from the insertion of the needle blade into the cloth to pull out the cloth, so as to prevent the wire rod 423 from colliding with the cloth to cause wire breakage.
  • the pinhole 424 carries the embroidery thread through the embroidery material.
  • the surface of the entire embroidery needle 42 is plated with a nickel layer or a chrome layer, and the surface roughness thereof is between 0.4 and 0.8 ⁇ m to ensure the smoothness of the surface of the embroidery needle 42 and reduce the probability of disconnection.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

一种双排绣花机，包括机架（1）、安装在机架（1）上的工作台（2）和电机座（6），所述电机座（6）中安装有主轴电机（601），所述工作台（2）上设置有绣框（14），在绣框（14）上设置有大梁（9），所述大梁（9）前侧设置有一前机头主轴（15），该前机头主轴（15）上安装有多个前排机头（4），大梁（9）后侧设置有一后机头主轴（16），该后机头主轴（16）上安装有多个后排机头（5）。该绣花机通过在工作台上主梁的前后两侧各安装有一排机头，且通过主轴电机经过动力转换箱为前后两排机头提供反向旋转的动力，分别带动前后两排机头工作，且使两排机头在工作时始终保持同步。与现有单排绣花机相比，双排绣花机采用的双排机头实现同时绣花，能够提高工作效率一倍。

Description

一种双排绣花机
技术领域：
本发明属于纺织设备，具体涉及的是一种双排绣花机。
背景技术：
目前市场上的绣花机都是单排绣花机，在绣花时只有一排绣花针在工作，以20头，头距330，单向做660的单排绣花机为例，其总长度为8495ＭＭ。当这种20头的绣花机在工作时，只有20根针（每个头只能有一针在工作）在同时工作，其存在工作效率不高的缺陷。
发明内容：
为此，本发明的目的在于提供一种双排绣花机，以解决传统单排绣花机存在工作效率低的问题，且该双排绣花机可在同长度、同头距、同行程及同转速的情况下，将绣花机的工作效率提高一倍。
为实现上述目的，本发明主要采用如下技术方案：
一种双排绣花机，包括机架、安装在机架上的工作台和电机座，所述电机座中安装有主轴电机，所述工作台上设置有绣框，在绣框上设置有大梁，其中所述大梁前侧设置有一前机头主轴，该前机头主轴上安装有多个前排机头，大梁后侧设置有一后机头主轴，该后机头主轴上安装有多个后排机头。
优选地，所述大梁中安装有一动力转换箱、该动力转换箱包括固定板和箱体，所述箱体中安装有主轴同步带轮、第一带轮和第二带轮，且第一带轮和第二带轮通过主轴同步带轮带动反向转动。
优选地，所述主轴同步带轮通过同步皮带与主轴电机传动连接。
优选地，所述前机头主轴一端安装有前同步带轮，该前同步带轮通过前同步带与第二带轮传动连接。
优选地，所述后机头主轴一端安装有后同步带轮，该后同步带轮通过后同步带与第一带轮传动连接。
优选地，所述大梁的一端安装有操作面板，所述操作面板内设有控制装置，所述控制装置包括主控模块及与该主控模块相连的输入模块、输出模块、主轴控制模块、开关模块及断线检测模块，其中，输入模块用于供用户进行输入操作，输出模块用于显示输入过程和操作结果，主轴控制模块用于控制主轴电机工作，开关模块用于实现行程和限位的开/关操作，断线检测模块用于检测机头是否断线且将检测结果发送给一断线报警装置以产生警报。
优选地，所述断线报警装置包括多个报警灯和多个报警灯驱动板，多个报警灯驱动板均连接至所述断线检测模块，每个报警灯驱动板用于驱动一个报警灯，多个报警灯均设置所述大梁上且与多个机头一一对应。
优选地，所述机头包括机头壳体、用于驱动绣花针的驱动杆、用于定位所述绣花针的压脚、用于驱动及定位所述压脚的压脚驱动器及独立驱动所述压脚驱动器的驱动装置，所述驱动装置包括可往复旋转的驱动轴、设置于驱动轴上的扭臂、一端可转动设置于压脚驱动器上的连接臂，所述的连接臂另一端可转动设置于扭臂上。
优选地，所述的驱动轴一端或两端设有一固定座，所述的固定座设置于机头壳体内；所述的驱动轴上设有步进电机，所述的步进电机设置于机头壳体上通过皮带带轮与驱动轴连接；所述的驱动轴一端设有带轮或齿轮；所述的压脚上设有与压脚驱动器所设压脚块配合的凸块，所述的压脚块与压脚上的凸块配合提升限位压脚。
优选地，所述绣花针包括针柄、针头及连接在针柄和针头之间的针杆，所述针柄安装在所述驱动杆内，所述针头上形成有针刃并开设有针孔，所述针头及针杆上沿着绣花针的长度方向上凹陷形成一针槽，所述针槽与针孔相连通；所述绣花针的表面镀有镍层或铬层，其表面粗糙度在0.4-0.8μm之间。
本发明通过在工作台上主梁的前后两侧各安装有一排机头，且通过主轴电机经过动力转换箱为前后两排机头提供反向旋转的动力，分别带动前后两排机头工作，且使两排机头在工作时始终保持同步。与现有单排绣花机相比，本发明采用的双排机头实现同时绣花，能够提高工作效率一倍。
附图说明：
图1为本发明双排绣花机的主视图。
图2为本发明双排绣花机的俯视图。
图3为本发明双排绣花机中动力转换箱的结构示意图。
图4为本发明双排绣花机的右侧视图。
图5为图1所示双排绣花机中控制装置的结构框图。
图6为图1所示双排绣花机中机头的结构立体图。
图7为图6所示机头的部分结构平面图。
图8为图6所示机头的部分结构平面图。
图9为图1所示双排绣花机中绣花针的结构示意图。
图10为图9所示绣花针的剖面示意图。
图中标识说明：机架1、工作台2、操作面板3、前排机头4、后排机头5、电机座6、主轴电机601、同步皮带7、动力转换箱8、主轴同步带轮801、箱体802、固定板803、第一带轮804、第二带轮805、大梁9、前同步带轮10、后同步带轮11、前同步带12、后同步带13、绣框14、前机头主轴15、后机头主轴16、主控模块31、输入模块32、输出模块33、主轴控制模块34、开关模块35、断线检测模块36、报警灯驱动板37、报警灯38、机头壳体41、驱动杆43、绣花针42、压脚44、压脚驱动器45、驱动轴461、扭臂462、连接臂463、固定座464、步进电机465、凸块466、压脚块467、针柄421、针头422、针杆423、针孔424、针槽425。
具体实施方式：
为阐述本发明的思想及目的，下面将结合附图和具体实施例对本发明做进一步的说明。
请参见图1、图2、图3、图4所示，图1为本发明双排绣花机的主视图；图2为本发明双排绣花机的俯视图；图3为本发明双排绣花机中动力转换箱的结构示意图；图4为本发明双排绣花机的右侧视图。本发明提供的是一种双排绣花机，主要用于解决目前单排绣花机工作效率不高的问题，其通过在工作台上主梁的前后两侧各安装有一排机头，并通过主轴电机经过动力转换箱为前后两排机头提供反向旋转的动力，分别带动前后两排机头工作，以达到提高工作效率一倍的目的。
其中本发明双排绣花机包括有机架1、安装在机架1上的工作台2和电机座6，工作台2上设置有绣框14，绣框14上设置有大梁9，大梁9的一端安装有操作面板3，另一端安装有动力转换箱8。
电机座6安装在机架1上，且对应位于动力转换箱8的正下方，电机座6中安装有主轴电机601；动力转换箱8包括固定板803和固定安装在固定板803上的箱体802，所述箱体802中一侧安装有主轴同步带轮801，另一侧安装有第一带轮804和第二带轮805，且第一带轮804和第二带轮805通过主轴同步带轮801带动反向转动；所述主轴同步带轮801通过同步皮带7与主轴电机601传动连接，主轴电机601转动时，对应带动主轴同步带轮801转动，而主轴同步带轮801对应带动第一带轮804和第二带轮805反向转动。
大梁9的前侧设置有一个前机头主轴15，该前机头主轴15上安装有多个前排机头4，且在前机头主轴15一端安装有一个前同步带轮10，该前同步带轮10通过前同步带12与第二带轮805传动连接；在大梁9的后侧设置有一个后机头主轴16，该后机头主轴16上安装有多个后排机头5，且后机头主轴16与前机头主轴15相应的一端安装有一个后同步带轮11，该后同步带轮11通过后同步带13与第一带轮804传动连接。
本发明通过安装在大梁9前侧一端的操作面板3控制机头的工作，通过安装在机架1上的主轴电机601提供动力，并由安装在大梁9下方、主轴电机601上方的动力转换箱8将主轴电机601提供的动力转换成两个相反方向转动的作用力，通过该作用力带动位于大梁9前后两侧的前同步带轮10、后同步带轮11转动，并由前同步带轮10、后同步带轮11分别带动前机头主轴15、后机头主轴16工作，实现对机头的控制，然后再由前后排各自的主轴通机头内部的联动机构带动绣花针进行刺绣工作。
综上所述，由于本发明双排绣花机有两排机头，且能同时工作，而普通绣花机只有一排机头，在同长度，同头距，同行程，同转速的情况下，本发明的双排绣花机与普通绣花机相比，多出一倍的机头，因此本发明双排绣花机的工作效率是普通绣花机的两倍。
在本实施例中，所述操作面板3内设有控制装置，所述控制装置包括主控模块31及与该主控模块31相连的输入模块32、输出模块33、主轴控制模块34、开关模块35及断线检测模块36。其中，主控模块31是以32位RISC ARM7处理器LPC2214为核心；输入模块32由键盘实现，用于供用户进行输入操作；输出模块33由液晶屏实现，其用于显示输入过程和操作结果；主轴控制模块34用于控制主轴电机工作，开关模块35用于实现行程和限位的开/关操作，断线检测模块36用于检测机头是否断线且将检测结果发送给一断线报警装置以产生警报。在本实施例中，所述断线报警装置包括多个报警灯驱动板37和多个报警灯38，多个报警灯驱动板37均连接至所述断线检测模块36，每个报警灯驱动板37用于驱动一个报警灯38，多个报警灯38均设置在所述大梁上且与多个机头一一对应。
在本实施例中，所述前排机头4和后排机头5的结构相同，下面以前排机头4为例进行说明。机头4其包括机头壳体41、用于驱动绣花针42的驱动杆43、用于定位绣花针42的压脚44、用于驱动及定位所述压脚44的压脚驱动器45及独立驱动所述压脚驱动器45的驱动装置，所述驱动装置包括可往复旋转的驱动轴461、设置于驱动轴461上的扭臂462、一端可转动设置于压脚驱动器45上的连接臂463，所述的连接臂463另一端可转动设置于扭臂462上。优选地，所述的驱动轴461一端或两端设有一固定座464，所述的固定座464设置于机头壳体41内；所述的驱动轴461上设有步进电机465，所述的步进电机465设置于机头壳体41上通过皮带带轮与驱动轴461连接；所述的驱动轴461一端设有带轮或齿轮；所述的压脚44上设有与压脚驱动器45所设压脚块467配合的凸块466，所述的压脚块467与压脚44上的凸块466配合提升限位压脚44。
优选地，所述绣花针42包括针柄421、针头422及连接在针柄421和针头422之间的针杆423，所述针柄421安装在所述驱动杆43内，所述针头422上形成有针刃并开设有针孔424，所述针头422及针杆423上沿着绣花针42的长度方向上凹陷形成一针槽425，所述针槽425与针孔424相连通；其中，针槽425的重要作用为从针刃穿进布料到拉出布料的过程中，使绣线在针槽425中退避，以便防止在针杆423与布料之问产生的摩擦引起断线。针孔424携带绣线穿过绣品材料。优选地，整个绣花针42的表面镀有镍层或铬层，其表面粗糙度在0.4-0.8μm之间以保证绣花针42表面的光滑，降低断线几率。
以上是对本发明所提供的一种双排绣花机进行了详细的介绍，本文中应用了具体个例对本发明的结构原理及实施方式进行了阐述，以上实施例只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (10)

  1. 一种双排绣花机，包括机架（1）、安装在机架（1）上的工作台（2）和电机座（6），所述电机座（6）中安装有主轴电机（601），所述工作台（2）上设置有绣框（14），在绣框（14）上设置有大梁（9），其特征在于所述大梁（9）前侧设置有一前机头主轴（15），该前机头主轴（15）上安装有多个前排机头（4），大梁（9）后侧设置有一后机头主轴（16），该后机头主轴（16）上安装有多个后排机头（5）。
  2. 根据权利要求1所述的双排绣花机，其特征在于所述大梁（9）中安装有一动力转换箱（8）、该动力转换箱（8）包括固定板（803）和箱体（802），所述箱体（802）中安装有主轴同步带轮（801）、第一带轮（804）和第二带轮（805），且第一带轮（804）和第二带轮（805）通过主轴同步带轮（801）带动反向转动。
  3. 根据权利要求2所述的双排绣花机，其特征在于所述主轴同步带轮（801）通过同步皮带（7）与主轴电机（601）传动连接。
  4. 根据权利要求3所述的双排绣花机，其特征在于所述前机头主轴（15）一端安装有前同步带轮（10），该前同步带轮（10）通过前同步带（12）与第二带轮（805）传动连接。
  5. 根据权利要求3所述的双排绣花机，其特征在于所述后机头主轴（16）一端安装有后同步带轮（11），该后同步带轮（11）通过后同步带（13）与第一带轮（804）传动连接。
  6. 根据权利要求1所述的双排绣花机，其特征在于所述大梁的一端安装有操作面板，所述操作面板内设有控制装置，所述控制装置包括主控模块（31）及与该主控模块（31）相连的输入模块（32）、输出模块（33）、主轴控制模块（34）、开关模块（35）及断线检测模块（36），其中，输入模块（32）用于供用户进行输入操作，输出模块（33）用于显示输入过程和操作结果，主轴控制模块（34）用于控制主轴电机工作，开关模块（35）用于实现行程和限位的开/关操作，断线检测模块（36）用于检测机头是否断线且将检测结果发送给一断线报警装置以产生警报。
  7. 根据权利要求6所述的双排绣花机，其特征在于所述断线报警装置包括多个报警灯（38）和多个报警灯驱动板（37），多个报警灯驱动板（37）均连接至所述断线检测模块（36），每个报警灯驱动板（37）用于驱动一个报警灯（38），多个报警灯（38）均设置在所述大梁上且与多个机头一一对应。
  8. 根据权利要求1所述的双排绣花机，其特征在于所述机头包括机头壳体（41）、用于驱动绣花针（42）的驱动杆（43）、用于定位所述绣花针（42）的压脚（44）、用于驱动及定位所述压脚（44）的压脚驱动器（45）及独立驱动所述压脚驱动器（45）的驱动装置，所述驱动装置包括可往复旋转的驱动轴（461）、设置于驱动轴（461）上的扭臂、一端可转动设置于压脚驱动器（45）上的连接臂，所述的连接臂另一端可转动设置于扭臂上。
  9. 根据权利要求8所述的双排绣花机，其特征在于所述的驱动轴（461）一端或两端设有一固定座，所述的固定座设置于机头壳体（41）内；所述的驱动轴（461）上设有步进电机（465），所述的步进电机（465）设置于机头壳体（41）上通过皮带带轮与驱动轴（461）连接；所述的驱动轴（461）一端设有带轮或齿轮；所述的压脚（44）上设有与压脚驱动器（45）所设压脚块（467）配合的凸块（466），所述的压脚块（467）与压脚（44）上的凸块（466）配合提升限位压脚（44）。
  10. 根据权利要求8所述的双排绣花机，所述绣花针（42）包括针柄（421）、针头（422）及连接在针柄（421）和针头（422）之间的针杆（423），所述针柄（421）安装在所述驱动杆（43）内，所述针头（422上形成有针刃并开设有针孔（424），所述针头（422）及针杆（423）上沿着绣花针（42）的长度方向上凹陷形成一针槽（425），所述针槽（425）与针孔（424）相连通；所述绣花针（42）的表面镀有镍层或铬层，其表面粗糙度在0.4-0.8μm之间。
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