WO2014111002A1 - 自动浮动攻牙机 - Google Patents

自动浮动攻牙机 Download PDF

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Publication number
WO2014111002A1
WO2014111002A1 PCT/CN2014/070559 CN2014070559W WO2014111002A1 WO 2014111002 A1 WO2014111002 A1 WO 2014111002A1 CN 2014070559 W CN2014070559 W CN 2014070559W WO 2014111002 A1 WO2014111002 A1 WO 2014111002A1
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WO
WIPO (PCT)
Prior art keywords
tapping
floating
rotating
tapping machine
workpiece
Prior art date
Application number
PCT/CN2014/070559
Other languages
English (en)
French (fr)
Inventor
宫鹤
Original Assignee
Gong He
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gong He filed Critical Gong He
Priority to CN201480001689.8A priority Critical patent/CN104520042B/zh
Publication of WO2014111002A1 publication Critical patent/WO2014111002A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/16Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
    • B23G1/18Machines with one working spindle

Definitions

  • the invention relates to an automatic floating tapping, in particular for a three-way workpiece
  • a three-way workpiece is required.
  • the three-way workpiece needs to be tapped.
  • the center of the tee and the center of the tapping knife are required for tapping.
  • the thickness of the three-way workpiece is thin and rigid. Not enough, it is easy to deform when mechanically clamped. It is difficult to clamp the three-way workpiece by mechanical clamping alone.
  • the tapping machine has become a need for three-way workpiece tapping. Summary of the invention
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide an automatic floating tapping machine for a three-way workpiece for tapping a three-way workpiece and improving the production efficiency of the tee workpiece tapping.
  • the automatic floating tapping machine comprises a tapping machine, a hydraulic device, a floating clamping die, a vibrating feeder and a controller;
  • the tapping machine comprises an organic seat, a main motor and a tapping power head, The main motor and the tapping power head are fixedly connected with the base;
  • the hydraulic device includes a solenoid valve and a cylinder, and the cylinder is provided with a hose and a solenoid valve;
  • the floating clamping mold includes a mold base, a fixing clip, a movable clamp, a guide seat, and The guide shaft, the fixing clamp, the oil cylinder and the guiding seat are fixedly connected with the mold base, the mold base is mechanically coupled with the machine base, one end of the guiding shaft is fixedly connected with the piston rod of the oil cylinder, and the other end of the guiding shaft is fixedly connected with the movable clamp;
  • the power head is provided with an upper stroke switch and a lower stroke switch;
  • the mold base is provided with a magnetic suction device, the magnetic su
  • the motor, the rotating shaft and the motor shaft of the adjusting motor are connected;
  • the vibrating feeder comprises a material barrel and a vibrating feeding device, the discharging port of the vibrating feeding device is connected with the workpiece inlet of the fixing clip, and the workpiece outlet of the fixing clip is connected with the discharging trough;
  • the fixed clamp is provided with a tapping proximity switch for controlling the automatic tapping work of the automatic floating tapping machine, and the controller is provided with a control line and a main motor, Solenoid valve, upper stroke switch, lower stroke switch, adjustment motor, tapping proximity switch and vibration feeder connection.
  • the controller controls the vibrating feeding device to be the first one.
  • the three-way workpiece is sent from the discharge port to the tapping station of the fixed clamp.
  • the tapping proximity switch transmits its signal to the controller, and the controller controls the solenoid valve of the hydraulic device.
  • the piston rod of the solenoid valve control cylinder pushes the movable clamp of the floating clamping mold to clamp the three-way workpiece to the tapping station of the fixed clamp.
  • the controller controls the adjustment motor to rotate, and utilizes Adjusting the rotation of the motor to drive the rotating magnetic core of the magnetic clamping device to rotate, so that the N pole of the rotating magnetic core is located on the left side of the rotating magnetic core, so that the S pole of the rotating magnetic core is located on the right side of the rotating magnetic core, so that the magnetic field lines pass through the N pole through the three
  • the rotating core generates magnetic attraction to the three-way workpiece, increases the stability of the tee workpiece, and improves the quality of the tapping; the tee workpiece is rotated by the magnetic core
  • the controller controls the tapping power head of the tapping machine to rotate downward; when the tapping knife contacts the to-be-trimmed hole of the tee workpiece, the floating clamping die is fixed to the die due to the dynamic cooperation of the die seat and the machine base On the seat, the rotation of the tapping knife pushes the floating clamping die to move, so that the center of the
  • the controller controls the solenoid valve of the hydraulic device to reversing, and the solenoid valve controls the cylinder to drive the movable clamp.
  • the loose clamp is reset; at the same time, the controller controls the rotating motor to rotate the rotating core of the magnetic clamping device, so that the N pole of the rotating magnetic core is located above the rotating magnetic core, so that the S pole of the rotating magnetic core is located below the rotating magnetic core , so that the magnetic line is returned from the N pole to the S pole through the magnet, so that the rotating core loses the magnetic attraction force to the three-way workpiece; after the adjusting motor drives the rotating core to rotate and reset, the controller controls the vibrating feeding device to the second three-way
  • the workpiece is sent from the discharge port to the tapping station of the fixed clamp, and the second three-way workpiece pushes the first three-way workpiece at the tapping station to the workpiece exit of the fixed clamp, the first of the tapped teeth
  • the three-way workpiece flows from the workpiece outlet and the discharge chute to the bin below the discharge chute
  • the automatic floating tapping machine comprises a tapping machine, a hydraulic device, a floating clamping die, a vibrating feeder and a controller; and the center of the tee workpiece and the tapping knife is solved by the floating clamping die, and the solution is solved.
  • the three-way workpiece and the tapping knife need to be proofreading the center; the hydraulic device and the floating clamping die are used to clamp the three-way workpiece to the tapping station of the fixed clip, and at the same time, the three-way workpiece is sucked by the magnetic suction device.
  • Figure 1 is a schematic structural view of an automatic floating tapping machine
  • Figure 2 is a partial plan view of Figure 1. detailed description
  • the automatic floating tapping machine includes a tapping machine 1, a hydraulic device 2, a floating clamping die 3, a vibrating feeder 4, and
  • the tapping machine 1 includes an organic base 6, a main motor 7, and a tapping power head 8, the main motor 7 and the tapping power head 8 are fixedly connected with the base 6, and the tapping power head 8 is connected with a rotating chuck 41.
  • the rotary chuck 41 is fixedly connected with a tapping knife 43;
  • the hydraulic device 2 includes a solenoid valve 9 and a cylinder 10, and the cylinder 10 is provided with a hose connected to the solenoid valve 9;
  • the floating clamping die 3 includes a die holder 11 and a fixing clamp 12.
  • the movable clamp 13, the guide seat 14 and the guide shaft 15, the fixed clamp 12, the oil cylinder 10 and the guide seat 14 are fixedly connected with the mold base 11, and the mold base 11 is mechanically coupled with the base 5, one end of the guide shaft 15 and the oil cylinder 10
  • the piston rod 16 is fixedly connected, and the other end of the guide shaft 15 is fixedly connected with the movable clamp 13;
  • the tapping power head 8 is provided with an upper stroke switch 17 and a lower stroke switch 18;
  • the mold base 11 is provided with a chute 46, and the movable clamp 13 is
  • the chute 46 is movably coupled;
  • the mold base 11 is provided with magnetic attraction 19.
  • the magnetic chucking device 19 includes a magnetizer 20 and a rotating core 21.
  • the rotating core 21 includes an N pole 22 and an S pole 23.
  • the N pole 22 and the S pole 23 are separated by a non-conductive magnet 24.
  • the rotating core 21 is provided with a rotating shaft 25, and the die holder 11 is provided with a bearing.
  • the rotating shaft 25 is mechanically coupled with the bearing of the die holder 11.
  • the die holder 11 is provided with an adjusting motor 26, and the rotating shaft 25 is connected with the motor shaft of the adjusting motor 26, and is utilized.
  • the magnetic suction device 19 sucks the three-way workpiece Close to the tapping station 42 of the fixed clip 12;
  • the vibrating feeder 4 includes a drum 27 and a vibrating feeder 28, and the discharge port 29 of the vibrating feeder 28 is connected to the workpiece inlet 30 of the fixed clip 12, and the clip 12 is fixed.
  • the workpiece outlet 31 is connected with a discharge chute 32; the fixing clip 12 is provided with a tapping proximity switch 44 for controlling the automatic tapping operation of an automatic floating tapping machine, and the controller 5 is provided with a control line and a main motor 7, electromagnetic
  • the valve 9, the upper stroke switch 17, the lower stroke switch 18, the adjustment motor 26, the tapping proximity switch 44, and the vibrating feeding device 28 are connected, and the controller 5 is provided with an automatic transfer switch 45 for controlling the automatic floating tapping machine to enter the automatic control. Tapping procedure.
  • the floating clamping die 3 is provided with a floating connecting sleeve 33, and the floating connecting sleeve 33 is fixedly connected with the base 6.
  • the floating connection sleeve 33 is mechanically coupled to the mold base 11; the floating connection sleeve 33 is provided with a screw 34 fixedly connected to the base 6; the mold base 11 is provided with a floating connection hole 35, and the floating connection sleeve 33 includes a flange head 36 and an outer cylinder A lateral gap 38 is left between the floating connection hole 35 and the outer cylindrical surface 37, and a longitudinal gap 39 is left between the upper surface of the die holder 11 and the lower surface of the flange head 36; the outer diameter of the outer cylindrical surface 37 is smaller than The aperture of the floating connection hole 35.
  • the rotating core 21 of the magnetic attraction device 19 In order to make the magnetic flux of the rotating core 21 of the magnetic attraction device 19 pass through the steel tee workpiece, the rotating core 21 is attracted to the three-way workpiece, and the magnetic attraction device 19 is fixedly connected to the mold base 11, magnetically sucking The axis of the rotating core 21 of the tightening device 19 is parallel to the horizontal line, and the rotating core 21 is located below the fixed clip 12.
  • the magnetizer 20 of the magnetic attraction device 19 and the mold base 11 are provided with a non-ferromagnetic isolation layer 40, and the isolation layer 40 is made of stainless steel, aluminum alloy or copper alloy; 12 and the movable clip 13 are made of a non-ferromagnetic material, and the non-ferromagnetic material includes stainless steel, aluminum alloy or copper alloy.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Drilling And Boring (AREA)

Abstract

一种自动浮动攻牙机,其包括有攻牙机(1)、液压装置(2)、浮动夹紧模具(3)、震动送料机(4)以及控制器(5);利用浮动夹紧模具(3)校对三通工件与攻牙刀(43)的中心,解决了三通工件与攻牙刀(43)需要校对中心的问题;利用液压装置(2)以及浮动夹紧模具(3)将三通工件夹紧于固定夹的攻牙工位,同时,利用磁力吸紧装置(19)将三通工件吸紧于固定夹的攻牙工位,解决机械夹紧力过大三通工件容易变形的问题,实施了三通工件的自动化攻牙,提高了三通工件攻牙的生产效率。

Description

自动浮动攻牙机
技术领域
本发明涉及 特别是一种用于三通工件的自动浮动攻牙
背景技术
制造一种板式散热器, 需要用到一种三通工件, 三通工件需要攻牙, 攻牙时需要校对三通工件以及攻牙刀的中心, 同时, 由于三通工件的厚度 较薄, 刚性不够, 采用机械方式夹紧时容易变形, 单采取机械夹紧的方法 难以将三通工件夹紧, 一种可以自动校对三通工件与攻牙刀的中心以及设 有磁力吸紧装置的自动浮动攻牙机已成为三通工件攻牙的需要。 发明内容
本发明的目的是克服现有技术的不足, 提供一种用于三通工件的自动 浮动攻牙机, 用于三通工件的攻牙, 提高三通工件攻牙的生产效率。
本发明所采用的技术方案是: 自动浮动攻牙机包括有攻牙机、 液压装 置、 浮动夹紧模具、 震动送料机以及控制器; 攻牙机包括有机座、 主电机 以及攻牙动力头, 主电机以及攻牙动力头与机座固定连接; 液压装置包括 有电磁阀以及油缸, 油缸设有软管与电磁阀连接; 浮动夹紧模具包括有模 具座、 固定夹、 活动夹、 导向座以及导向轴, 固定夹、 油缸以及导向座与 模具座固定连接, 模具座与机座动配合连接, 导向轴的一端与油缸的活塞 杆固定连接, 导向轴的另一端与活动夹固定连接; 攻牙动力头设有上行程 开关以及下行程开关; 模具座设有磁力吸紧装置, 磁力吸紧装置包括有导 磁体、 旋转磁芯, 旋转磁芯包括有 N极以及 S极, N极与 S极 23之间设有 非导磁体, 旋转磁芯设有转轴, 模具座设有轴承, 转轴与模具座的轴承动 配合连接, 模具座设有调节电机, 转轴与调节电机的电机轴连接; 震动送 料机包括有料桶以及震动送料装置, 震动送料装置的出料口与固定夹的工 件入口连接, 固定夹的工件出口连接有出料槽; 固定夹设有攻牙接近开关, 用于控制自动浮动攻牙机的自动攻牙工作, 控制器设有控制线与主电机、 电磁阀、 上行程开关、 下行程开关、 调节电机、 攻牙接近开关以及震动送 料装置连接。
工作时, 将待攻牙的三通工件放入震动送料机的料桶内, 通过控制器 的自动转换开关启动自动浮动攻牙机进入自动控制工作流程, 控制器控制 震动送料装置将第一个三通工件由出料口送到固定夹的攻牙工位, 三通工 件进入固定夹的攻牙工位后, 攻牙接近开关将其信号传输给控制器, 控制 器控制液压装置的电磁阀工作, 通过电磁阀控制油缸的活塞杆推动浮动夹 紧模具的活动夹将三通工件夹紧于固定夹的攻牙工位上, 三通工件被夹紧 后, 控制器控制调节电机转动, 利用调节电机转动来带动磁力吸紧装置的 旋转磁芯转动, 使旋转磁芯的 N极位于旋转磁芯的左边, 使旋转磁芯的 S 极位于旋转磁芯的右边, 使磁力线由 N极经过三通工件后回到 S极, 使旋 转磁芯对三通工件产生磁吸引力, 增加三通工件的稳定性, 提高攻牙的质 量; 三通工件被旋转磁芯吸紧后, 控制器控制攻牙机的攻牙动力头旋转下 行; 在攻牙刀接触到三通工件的待攻牙孔时, 由于模具座与机座动配合连 接, 浮动夹紧模具固定于模具座上, 因此攻牙刀旋转推动浮动夹紧模具移 动, 使三通工件的待攻牙孔的中心向攻牙刀的中心移动, 使三通工件的待 攻牙孔的中心对准攻牙刀的中心, 以达到利用攻牙刀自动校对三通工件待 攻牙孔中心的目的; 攻牙刀自动校对三通工件的待攻牙孔中心后, 攻牙动 力头的旋转夹头带动攻牙刀旋转下行于三通工件的待攻牙孔攻牙; 攻牙动 力头攻牙到位后, 下行程开关将信号传输给控制器, 控制器控制攻牙动力 头上升复位, 攻牙动力头上升到上行程开关后, 上行程开关将其信号传输 给控制器, 控制器控制攻牙动力头停止上升; 同时, 控制器控制液压装置 的电磁阀换向, 电磁阀控制油缸带动活动夹复位松夹; 同时, 控制器控制 调节电机带动磁力吸紧装置的旋转磁芯转动复位, 使旋转磁芯的 N极位于 旋转磁芯的上边, 使旋转磁芯的 S极位于旋转磁芯的下边, 使磁力线由 N 极经过导磁体回到 S极, 使旋转磁芯对三通工件失去磁吸引力; 调节电机 带动旋转磁芯转动复位后, 控制器控制震动送料装置将第二个的三通工件 由出料口送到固定夹的攻牙工位, 第二个的三通工件将位于攻牙工位的第 一个三通工件推到固定夹的工件出口, 已攻牙的第一个三通工件由工件出 口以及出料槽流到出料槽下方的料箱内; 第二个三通工件进入固定夹的攻 牙工位后, 重复上述过程, 如此不断循环, 利用自动浮动攻牙机对三通工 件进行自动攻牙。
本发明的有益效果是: 自动浮动攻牙机包括有攻牙机、 液压装置、 浮 动夹紧模具、 震动送料机以及控制器; 利用浮动夹紧模具校对三通工件与 攻牙刀的中心, 解决了三通工件与攻牙刀需要校对中心的问题; 利用液压 装置以及浮动夹紧模具将三通工件夹紧于固定夹的攻牙工位, 同时, 利用 磁力吸紧装置将三通工件吸紧于固定夹的攻牙工位, 解决机械夹紧力过大 三通工件容易变形的问题, 实施了三通工件的自动化攻牙, 提高了三通工 件攻牙的生产效率。 附图说明
图 1是自动浮动攻牙机的结构示意图;
图 2是图 1的局部俯视图。 具体实施方式
下面结合附图对本发明进行进一步的说明:
图 1所示的自动浮动攻牙机结构示意图以及图 2所示图 1的局部俯视 图, 自动浮动攻牙机包括有攻牙机 1、 液压装置 2、 浮动夹紧模具 3、 震动 送料机 4以及控制器 5; 攻牙机 1包括有机座 6、 主电机 7以及攻牙动力 头 8, 主电机 7以及攻牙动力头 8与机座 6固定连接, 攻牙动力头 8连接 有旋转夹头 41, 旋转夹头 41固定连接有攻牙刀 43; 液压装置 2包括有电 磁阀 9以及油缸 10, 油缸 10设有软管与电磁阀 9连接; 浮动夹紧模具 3 包括有模具座 11、 固定夹 12、 活动夹 13、 导向座 14以及导向轴 15, 固 定夹 12、 油缸 10以及导向座 14与模具座 11固定连接, 模具座 11与机座 5动配合连接, 导向轴 15的一端与油缸 10的活塞杆 16固定连接, 导向轴 15的另一端与活动夹 13固定连接;攻牙动力头 8设有上行程开关 17以及 下行程开关 18;模具座 11设有滑槽 46,活动夹 13与滑槽 46动配合连接; 模具座 11设有磁力吸紧装置 19, 磁力吸紧装置 19包括有导磁体 20、 旋 转磁芯 21, 旋转磁芯 21包括有 N极 22以及 S极 23, N极 22与 S极 23之 间设有非导磁体 24隔开, 旋转磁芯 21设有转轴 25, 模具座 11设有轴承, 转轴 25与模具座 11的轴承动配合连接, 模具座 11设有调节电机 26, 转 轴 25与调节电机 26的电机轴连接, 利用磁力吸紧装置 19将三通工件吸 紧于固定夹 12的攻牙工位 42上; 震动送料机 4包括有料桶 27以及震动 送料装置 28,震动送料装置 28的出料口 29与固定夹 12的工件入口 30连 接, 固定夹 12的工件出口 31连接有出料槽 32 ; 固定夹 12设有攻牙接近 开关 44, 用于控制一种自动浮动攻牙机的自动攻牙工作, 控制器 5设有控 制线与主电机 7、 电磁阀 9、上行程开关 17、下行程开关 18、调节电机 26、 攻牙接近开关 44以及震动送料装置 28连接, 控制器 5设有自动转换开关 45, 用于控制自动浮动攻牙机进入自动控制攻牙程序。
为了实施模具座 11与机座 5动配合连接以及达到攻牙刀与三通工件 自动调节中心的目的, 浮动夹紧模具 3 设有浮动连接套 33, 浮动连接套 33与机座 6固定连接, 浮动连接套 33与模具座 11动配合连接; 浮动连接 套 33设有螺丝 34与机座 6固定连接; 模具座 11设有浮动连接孔 35, 浮 动连接套 33包括有法兰头 36以及外圆柱面 36, 浮动连接孔 35与外圆柱 面 37之间留有横向间隙 38, 模具座 11的上表面与法兰头 36的下表面之 间留有纵向间隙 39; 外圆柱面 37的外径小于浮动连接孔 35的孔径。
为了使磁力吸紧装置 19的旋转磁芯 21的磁力线可以通过钢制的三通 工件, 使旋转磁芯 21对三通工件产生吸引力, 磁力吸紧装置 19与模具座 11固定连接, 磁力吸紧装置 19的旋转磁芯 21的轴线与水平线平行, 旋转 磁芯 21位于固定夹 12的下方。
为了减少磁铁体对旋转磁芯 21磁场的干扰, 磁力吸紧装置 19的导磁 体 20与模具座 11设有非铁磁体隔离层 40, 隔离层 40有不锈钢、 铝合金 或者铜合金制造; 固定夹 12以及活动夹 13由非铁磁体材料制造, 非铁磁 体材料包括有不锈钢、 铝合金或者铜合金。

Claims

权 利 要 求 书
1.自动浮动攻牙机, 其特征在于: 所述的自动浮动攻牙机包括有攻牙 机 (1)、 液压装置 (2)、 浮动夹紧模具 (3)、 震动送料机 (4) 以及控制 器(5); 攻牙机(1)包括有机座 (6)、 主电机(7) 以及攻牙动力头 (8), 主电机 (7) 以及攻牙动力头 (8) 与机座 (6) 固定连接; 液压装置 (2) 包括有电磁阀 (9) 以及油缸 (10), 油缸 (10) 设有软管与电磁阀 (9) 连接; 浮动夹紧模具(3)包括有模具座(11)、 固定夹(12)、活动夹(13)、 导向座(14)以及导向轴(15), 固定夹(12)、油缸(10)以及导向座(14) 与模具座 (11) 固定连接, 模具座 (11) 与机座 (5) 动配合连接, 导向 轴 (15) 的一端与油缸 (10) 的活塞杆 (16) 固定连接, 导向轴 (15) 的 另一端与活动夹 (13) 固定连接; 攻牙动力头 (8) 设有上行程开关 (17) 以及下行程开关 (18); 模具座 (11) 设有磁力吸紧装置 (19), 磁力吸紧 装置 (19) 包括有导磁体 (20)、 旋转磁芯 (21), 旋转磁芯 (21) 包括有 N极(22)以及 S极(23), N极(22)与 S极(23)之间设有非导磁体(24) 隔开, 旋转磁芯(21)设有转轴(25), 模具座(11)设有轴承, 转轴(25) 与模具座 (11) 的轴承动配合连接, 模具座 (11) 设有调节电机 (26), 转轴 (25) 与调节电机 (26) 的电机轴连接; 震动送料机 (4) 包括有料 桶 (27) 以及震动送料装置 (28), 震动送料装置 (28) 的出料口 (29) 与固定夹 (12) 的工件入口 (30) 连接, 固定夹 (12) 的工件出口 (31) 连接有出料槽 (32); 固定夹 (12) 设有攻牙接近开关 (44), 用于控制自 动浮动攻牙机的自动攻牙工作, 控制器 (5) 设有控制线与主电机 (7)、 电磁阀 (9)、 上行程开关 (17)、 下行程开关 (18)、 调节电机 (26)、 攻 牙接近开关 (44) 以及震动送料装置 (28) 连接。
2.根据权利要求 1所述的自动浮动攻牙机, 其特征在于: 所述的浮动 夹紧模具 (3) 设有浮动连接套 (33), 浮动连接套 (33) 设有螺丝 (34) 与机座 (6) 固定连接; 模具座 (11) 设有浮动连接孔 (35), 浮动连接套
(33) 包括有法兰头 (36) 以及外圆柱面 (36), 浮动连接孔 (35) 与外 圆柱面 (37) 之间留有横向间隙 (38), 模具座 (11) 的上表面与法兰头 (36) 的下表面之间留有纵向间隙 (39)。
3.根据权利要求 2所述的自动浮动攻牙机, 其特征在于: 所述的外圆 柱面 (37) 的外径小于浮动连接孔 (35) 的孔径。
4.根据权利要求 1所述的自动浮动攻牙机,为了使磁力吸紧装置(19) 的旋转磁芯 (21) 的磁力线可以通过钢制的三通工件, 使旋转磁芯 (21) 对三通工件产生吸引力, 其特征在于: 所述的磁力吸紧装置 (19) 与模具 座 (11) 固定连接, 磁力吸紧装置 (19) 的旋转磁芯 (21) 的轴线与水平 线平行, 旋转磁芯 (21) 位于固定夹 (12) 的下方。
5.根据权利要求 1所述的自动浮动攻牙机, 为了减少磁铁体对旋转磁 芯 (21) 磁场的干扰, 其特征在于: 所述的磁力吸紧装置 (19) 的导磁体
(20) 与模具座 (11) 设有非铁磁体隔离层 (40), 隔离层 (40) 有不锈 钢、 铝合金或者铜合金制造。
6.根据权利要求 1所述的自动浮动攻牙机, 其特征在于: 所述的固定 夹 (12) 以及活动夹 (13) 由非铁磁体材料制造, 非铁磁体材料包括有不 锈钢、 铝合金或者铜合金。
7.根据权利要求 1所述的自动浮动攻牙机, 其特征在于: 所述的攻牙 动力头(8)连接有旋转夹头(41),旋转夹头(41)固定连接有攻牙刀(43)。
8.根据权利要求 1所述的自动浮动攻牙机, 其特征在于: 所述的模具 座 (11) 设有滑槽 (46), 活动夹 (13) 与滑槽 (46) 动配合连接。
PCT/CN2014/070559 2013-01-15 2014-01-14 自动浮动攻牙机 WO2014111002A1 (zh)

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