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CN103586368A - Numerical control wire bending machine - Google Patents

Numerical control wire bending machine Download PDF

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Publication number
CN103586368A
CN103586368A CN 201310549431 CN201310549431A CN103586368A CN 103586368 A CN103586368 A CN 103586368A CN 201310549431 CN201310549431 CN 201310549431 CN 201310549431 A CN201310549431 A CN 201310549431A CN 103586368 A CN103586368 A CN 103586368A
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feeding
rod
base
motor
guide
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CN 201310549431
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Chinese (zh)
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CN103586368B (en )
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吴敏
高尔荣
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浙江博雷重型机床制造有限公司
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Abstract

The invention discloses a numerical control wire bending machine which comprises a machine frame. A handpiece, a handpiece rotating mechanism and a feeding device are sequentially arranged on the machine frame from front to back. The feeding device comprises a clamping and pushing mechanism and an auxiliary guide mechanism. The clamping and pushing mechanism comprises a guide rail base, a screw rod, a sliding block, a feeding rod, a motor base and a motor, the guide rail base is installed on the machine frame, the sliding block axially slides on the guide rail base along wires, the screw rod is fixed on the guide rail base and is in threaded connection with a screw rod nut which is installed on the sliding block through a bearing, the motor base is fixedly installed on the sliding block, the motor is installed on the motor base and is in transmission connection with the screw rod nut, the rear end of the feeding rod is fixed to the motor base, and a wire locking mechanism is installed at the front end of the feeding rod. According to the technical scheme, the feeding rod and the front end of the feeding rod are adopted for locking and fixing wires, so that feeding and wire bending processing of sectioned wires can be implemented; the motor and the sliding block move synchronously, and the auxiliary supporting guide mechanism is adopted, so precision of movable feeding is improved.

Description

一种数控弯线机 One kind CNC bending machine line

[0001] [0001]

[0002] [0002]

[0003] [0003]

[0004] [0004]

[0005] [0005]

[0006] 技术领域 [0006] Technical Field

[0007] 本发明属于机械加工设备领域,特别是涉及一种数控弯线机。 [0007] The present invention belongs to the field of mechanical processing equipment, particularly to a CNC bending machine line.

背景技术 Background technique

[0008] 公开号为CN201231294Y、CN101716636A的专利文献分别公开了两种数控弯线机,它们的结构类似,均是用于连续线材的弯线成型(例如钢丝卷料),包括机架,机架上设有调直机构、送线机构、机头旋转机构、机头、切断机构、模具、模具自转机构、模具转换机构和控制单元。 [0008] Publication No. CN201231294Y, CN101716636A patent document discloses two are CNC bending line, similar to their structure, are shaped curved line (e.g., wire feed volume) for continuous wire, comprising a rack, provided with straightening means, the yarn feed mechanism, the rotary head mechanism, the nose, the cutting mechanism, mold, mold rotation mechanism, mold conversion mechanism and a control unit. 但是,现有技术中未见有对一段一段的分段线材进行弯线成型的弯线机。 However, there is no prior art of a section of the line segment bending machine bending wire rod forming line. 连续线材弯线机无法直接用于对分段线材进行弯线成型的问题在于:一是现有送料机构无法实现分段线材的送料;二是在更换线材时,分段线材在机头的穿线孔内插装困难;三是在弯线成型时,分段线材无法可靠夹持固定,影响弯线质量。 Problems continuous wire bending machine can not be used directly in the line of the curved line segments for forming the wire: First, the conventional mechanism can not achieve feed wire feeding segment; Second, when replacing the wire, the wire segments in the threaded nose cartridge hole difficulty; third bend line during molding, the wire segment can not be reliably sandwiched and fixed, on the bending line quality.

发明内容 SUMMARY

[0009] 为了解决上述的技术问题,本发明的目的是提供一种数控弯线机,在现有技术的连续线材弯线机的基础上,对送料装置进行改进,使之能够用于分段线材的弯线成型。 [0009] To solve the above technical problems, an object of the present invention is to provide a CNC bending line, on the basis of the prior art continuous wire bending machine on the line, to the feeding device is improved, so that it can be used segment curved lines forming wire.

[0010] 为了达到上述的目的,本发明采用了以下的技术方案: [0010] To achieve the above object, the present invention adopts the following technical solution:

[0011] 一种数控弯线机,包括机架,机架上从前至后依次设有机头、机头旋转机构和送料装置,机头上设有弯线模具、模具自转机构和模具转换机构,所述送料装置包括用于夹持分段线材并实现进退的夹持推送机构和用于辅助支撑导向的辅助导向机构;夹持推送机构包括导轨座、丝杆、滑块、送料杆、电机座和电机,导轨座安装在机架上,滑块在导轨座上沿线材轴向滑动,导轨座上固定有丝杆,丝杆上螺纹连接有丝杆螺母,丝杆螺母通过轴承安装在滑块上,滑块上固定安装电机座,电机座上安装电机,电机与丝杆螺母传动连接,电机座上固定送料杆的后端,送料杆的前端安装一线材锁紧机构。 [0011] A line CNC bending machine, comprising a rack, successively from front to back with the head, the head rotating mechanism and the feeding device, the machine head is provided with bending lines mold, die and mold rotation mechanism conversion mechanism, said feed means includes means for gripping the wire segment and pushing mechanism advancing and retracting gripping implement and support guide for assisting auxiliary guide means; pushing mechanism comprises a guide seat clamp, screw, slider feed rod, and the motor housing motor, the guide seat mounted on the frame, the slider slides along the guide rail base member axially fixed screw seat rails, connected to the screw thread on the spindle nut, the spindle nut is mounted via a bearing slide , fixedly mounted on the front end of the seat slide motor, a motor mounting seat motor, the motor and drive screw nut connection, feeding the motor fixing seat of the rear end of the feed rod, the feed rod is mounted a wire locking mechanism.

[0012] 采用送料杆和其前端锁紧固定线材,使得分段线材的送料和弯线加工得以实施,采用电机与滑块同步运动,以及辅助支撑导向机构,提高了移动送料精度。 [0012] The feed rod and its front end is fixed the locking wire such that the feed line and bends the wire segment processing to be implemented using synchronous movement with the slide motor, and auxiliary support guide means, the movement of improving the feeding accuracy.

[0013] 作为优选,所述线材锁紧机构包括上夹爪和下夹爪,下夹爪固定在送料杆的前端,上夹爪和下夹爪的夹持面上设有与线材相匹配的夹持槽,上夹爪的一端与下夹爪铰接并且上夹爪在线材的径向切面内转动,上夹爪的另一端设有通槽或者通孔,穿过该通槽或者通孔的螺丝与下夹爪螺纹连接从而将分段线材锁紧固定在上夹爪和下夹爪之间。 [0013] Advantageously, the wire locking mechanism includes an upper jaw and a lower jaw, the lower jaw is fixed at a front end of the feed rod, the jaw is provided with a wire matches and lower jaw clamping surface holding grooves, jaws on one end of the lower jaw and the upper jaw is hinged in the radial section of the wire is rotated, the jaw on the other end is provided with through grooves or through holes, passes through the through grooves or through holes screw threaded connection with the lower jaw segment so as to lock the wire on the retaining clip between the jaws and the lower jaw. 采用上夹爪能够打开的结构,线材拆装方便、锁紧固定牢固。 Using the jaws can be opened structure, easy disassembly wire locking fixation.

[0014] 作为优选,所述送料杆具有能够容纳分段线材的中心孔。 [0014] Advantageously, said feed rod having a central bore capable of receiving the wire segment. [0015] 所述辅助导向机构可以是一个固定的拖轮,但是优选,所述辅助导向机构包括导向座、竖直气缸、水平气缸、拖轮座和导向拖轮,导向座固定在机架上,竖直气缸固定在导向座上,竖直气缸的竖直向上顶出的活塞杆顶端固定水平气缸,水平气缸顶部设有水平滑轨,水平滑轨上滑动连接有拖轮座,水平气缸水平顶出的活塞杆与拖轮座固定连接,拖轮座上设置用于支承送料杆的导向拖轮,导向拖轮能够转动并且圆周上设有环形凹槽。 [0015] The auxiliary guide means may be a fixed tugboat, but preferably, the auxiliary guide means comprises a guide base, a vertical cylinder, horizontal cylinder, and a guide seat tug tugboat, the guide base is fixed on the frame, vertically a cylinder guide fixed to the base, the top of a vertical cylinder vertically upward to the top fixed horizontal cylinder rod, a cylinder provided with a horizontal top horizontal rail, the slide base is connected to the horizontal rails tugboat, the horizontal cylinder piston top level tug base rod is fixedly connected, is provided for supporting the base tug feed rod guide tug tugboat rotatable guide and an annular groove provided on the circumference. 这样,当电机座移动靠近并且送料杆不需要导向支撑时,可以将拖轮退回复位,使得电机座移动能够继续向前移动送料,避免了固定拖轮无法避让导致机台长度过长等缺点。 Thus, when the motor moves closer to the seat and does not need to feed the rod guide support, the tugboat can be returned to the reset, so that the motor can continue to move the seat forward feed movement, can not be avoided to avoid the fixed tugboat machine is too long resulting in disadvantages.

[0016] 作为优选,所述机头上设有夹线机构,包括左右相对设置的两个夹线油缸和两个夹模,两个夹线油缸的移动端左右相对顶出从而驱动两个夹模移动实现对夹,两个夹模靠近弯线模具的前部设置夹线嘴,夹线嘴上设有与线材相匹配的夹槽,两个夹模在夹线嘴之后为能够供送料杆前端穿入的凹槽;两个夹模的后侧设有用于穿设分段线材、送料杆的导向套,导向套安装在导向套座上,导向套座固定在机头上。 [0016] Advantageously, the machine head is provided with gripper means, including two clamp cylinders and disposed approximately opposite mold clamping two, left and right clamp cylinder end opposite to the ejection movement to drive two clamping mold moving realize clip, clamp die two curved lines near the front portion of the mold clamp mouth is provided, and the wire clamp mouth is provided to match the clip grooves, two clips can be fed to the mold after the feed rod gripper mouth penetrating distal groove; rear side is provided with two mold clamping a wire segment drilled, the feed rod guide sleeve, the guide sleeve mounted on the guide sleeve seat, the guide sleeve is fixed to the machine head base. 这样不仅使得夹线嘴在夹紧时可以保持较大的夹持力,而且使得弯线位置能够更加靠近分段线材的末端,导向套的设置可以对送料杆进行有效的支撑导向,提高送料精度。 This not only makes the clamping gripper mouth can maintain a large clamping force, and that the position can be bent line segment closer to the end of the wire, the guide sleeve can be effectively provided to support the guide bars feed, improve the feeding accuracy .

[0017] 作为优选,所述机头上设有能够水平摆动的蜗轮箱,蜗轮箱中的蜗杆由模具自转电机带动转动,并同时驱动两个蜗轮,两个蜗轮与两个主轴固定连接,主轴带内花键,花键轴与主轴花键连接;两个弯线模具分别固定在两个花键轴顶端,花键轴下部套设压簧,压簧下端与花键轴底部相抵,压簧上端与主轴内台阶相抵,从而带动花键轴下移;机头上安装有数控分度器,数控分度器通过摆臂和连杆推动蜗轮箱摆动实现模具转换。 [0017] Advantageously, the machine head is provided with horizontally swingable gear box, a worm gear box is rotated by a motor driven rotation of the mold, and to simultaneously drive two worm, the worm wheel is fixedly connected with two two spindle with splined inner spline shaft with splined shaft; two bending molds are respectively fixed to the top line of the two spline shafts, the lower portion of the spline shaft sleeved compression spring, spring bottom against the lower end of the spline shaft, the compression spring the upper end of the inner shaft against the step, so as to drive down the spline shaft; CNC machine head mounted indexer, NC dividing by the link arm and swinging gear box driven mold to achieve conversion.

[0018] 作为优选,所述机头旋转机构包括转动设置在轴座上的旋转轴,旋转轴一端固定机头,旋转轴另一端固定转盘,转盘上设有平衡铁,旋转轴轴心设有可供线材通过的导向管,所述旋转轴与固定在轴座上的旋转电机齿轮传动连接。 [0018] Advantageously, said means comprises a rotary head rotatably disposed on the rotary shaft of the base, one end of the rotation shaft fixing head, the other end of the rotation shaft fixed turntable, the turntable with the balance iron, with the rotational axis of the shaft available through a wire guide tube, the rotating shaft and fixedly connected to the rotary electric machine gear shaft seat.

[0019] 本发明由于采用了以上的技术方案,采用送料杆和其前端锁紧固定线材,使得分段线材的送料和弯线加工得以实施,采用电机与滑块同步运动,以及辅助支撑导向机构,提高了移动送料精度,结构简单合理,制造成本低。 [0019] The present invention adopts the above technical solution, using the feed lever and the front end locking wire fixed, such that the wire segment and a curved line feed processing is implemented using synchronous movement with the slide motor, and auxiliary support guide means improved feed movement precision, simple and reasonable structure, low manufacturing cost.

附图说明 BRIEF DESCRIPTION

[0020] 图1是本发明弯线机的立体图之一。 [0020] FIG. 1 is a perspective view of one bending line machine of the present invention.

[0021] 图2是本发明弯线机的立体图之二。 [0021] FIG. 2 is a perspective view of the bending machine according to the present invention two lines.

[0022] 图3是图2中的A处局部放大图。 [0022] FIG. 3 is a partially enlarged view A of FIG 2.

[0023] 图4是图2中的B处局部放大图。 [0023] FIG. 4 is a partial enlarged view at B in FIG.

[0024] 图5是图2中的C处局部放大图。 [0024] FIG. 5 is a partial enlarged view at C of FIG.

[0025] 图6是图2中的D处局部放大图。 [0025] FIG. 6 is a partial enlarged view at D of FIG.

具体实施方式 detailed description

[0026] 下面结合附图对本发明的具体实施方式做一个详细的说明。 [0026] The accompanying drawings make a detailed description of the specific embodiments of the present invention binds.

[0027] 实施例1: [0027] Example 1:

[0028] 如图1、图2所示的一种数控弯线机,包括机架1,机架I上从前至后依次设有机头 [0028] FIG 1 A line CNC bending machine shown in Figure 2, comprises a frame 1, on the frame I is provided sequentially from the front to the rear head

2、机头旋转机构6和送料装置,其中机头2上设有弯线模具3及其模具自转机构、模具转换机构。 2, the rotary head mechanism 6 and the feed device, wherein the head is provided with bending lines 2 and 3 die mold rotation mechanism, mold conversion mechanism.

[0029] 这里的机头旋转机构6、弯线模具3及其模具自转机构和模具转换机构与现有技术中的连续线材弯线机的结构相同,例如公开号为CN201231294Y、CN101716636A、CN101733344B的专利文献所公开的结构。 [0029] where the head rotation mechanism 6, line bending mold 3 and mold rotation mechanism and the structure of the die means and converting continuous wire bending machine line is the same as the prior art, for example, Publication No. CN201231294Y, CN101716636A, CN101733344B patent the structure disclosed in the literature. 本实施例的机头结构如下:包括机头上设有能够水平摆动的蜗轮箱,蜗轮箱中的蜗杆由模具自转电机带动转动,并同时驱动两个蜗轮,两个蜗轮与两个主轴固定连接,主轴带内花键,花键轴与主轴花键连接;两个弯线模具分别固定在两个花键轴顶端,花键轴下部套设压簧,压簧下端与花键轴底部相抵,压簧上端与主轴内台阶相抵,从而带动花键轴下移;机头上安装有数控分度器,数控分度器通过摆臂和连杆推动蜗轮箱摆动实现模具转换。 Head structure of the present embodiment is as follows: a machine head provided with horizontally swingable gear box, a worm gear box is rotated by a motor driven rotation of the mold, and to simultaneously drive two worm, the worm wheel is fixedly connected with two two spindles , the splined spindle, the spindle spline shaft spline-coupled; two curved lines in the two molds are fixed to the top of the spline shaft, the spline shaft lower portion sleeved compression spring, the lower end of the spring against the bottom of the spline shaft, the upper end spring and the inner shaft against the step, so as to drive down the spline shaft; CNC machine head mounted indexer, NC dividing by the link arm and swinging gear box driven mold to achieve conversion. 所述机头旋转机构包括转动设置在轴座上的旋转轴,旋转轴一端固定机头,旋转轴另一端固定转盘,转盘上设有平衡铁,旋转轴轴心设有可供线材通过的导向管,所述旋转轴与固定在轴座上的旋转电机齿轮传动连接,所述旋转电机与控制单元连接。 The rotary head mechanism comprises a rotation shaft rotatably disposed in the base shaft, the rotating shaft fixed to the head end, the other end of the rotation shaft fixed turntable, the turntable is provided with the balance iron, with the axis of the rotary shaft for the guide wire by tube, the rotational shaft and the motor gear fixed to the rotating shaft of the seat is connected to said rotating electric machine is connected to the control unit.

[0030] 连续线材弯线机无法直接用于对分段线材进行弯线成型的问题在于:一是现有送料机构无法实现分段线材的送料;二是在更换线材时,分段线材在机头的穿线孔内插装困难;三是在弯线成型时,分段线材无法可靠夹持固定,影响弯线质量。 [0030] Problems continuous wire bending machine can not be used directly in the line of the curved line segments for forming the wire: First, the conventional mechanism can not achieve feed wire feeding segment; Second, when replacing the wire, the wire segments in the machine threading head insertion hole difficulty; third bend line during molding, the wire segment can not be reliably sandwiched and fixed, on the bending line quality. 为此,本发明中,在机架I上设置用于推送分段线材的送料装置,在机头2上增设用于夹持固定分段线4的夹线机构5。 To this end, the present invention, means is provided for feeding the wire segment to push on the frame I, on the clamping head 2 for additional fixing of the segment line clamp mechanism 4 5.

[0031] 所述送料装置包括用于夹持分段线材4并实现进退的夹持推送机构8和用于对分段线材进行辅助支撑和移动导向的辅助导向机构7。 [0031] The feeding device 4 comprises means for gripping the wire segment and to achieve forward and backward clamping means 8 and the push wire segment for supporting and moving the auxiliary guide auxiliary guide means 7. 如图3所示,夹持推送机构8包括导轨座81、丝杆82、滑块83、送料杆84、电机座85和电机86,导轨座81安装在机架I上,滑块83在导轨座81上沿线材轴向滑动,导轨座81上固定有丝杆82,丝杆82上螺纹连接有丝杆螺母,丝杆螺母通过轴承安装在滑块83上,滑块83上固定安装电机座85,电机座85上安装电机86,电机86与丝杆螺母传动连接,电机座85上固定送料杆84的后端,如图5所示,送料杆84的前端安装一线材锁紧机构,该线材锁紧机构包括上夹爪841和下夹爪842,下夹爪842固定在送料杆84的前端,上夹爪841和下夹爪842的夹持面上设有与线材相匹配的夹持槽,上夹爪841的一端与下夹爪842铰接并且上夹爪841在线材的径向切面内转动,上夹爪841的另一端设有通槽或者通孔,穿过该通槽或者通孔的螺丝与下夹爪842螺纹连接从而将上夹爪841和下夹爪842锁紧固定分段线材4。 3, the clamping mechanism 8 comprises a push guide seat 81, screw 82, the slider 83, the feed lever 84, the motor 86 and the motor base 85, the guide seat 81 mounted on the frame I, the slider 83 in the guide rail the seat 81 axially slidable along the wire, the guide seat 81 is fixed to the screw 82, the screw 82 has a screw threaded nut, screw nut through a bearing 83 mounted on the slider, the slider 83 is fixedly mounted on the motor base 85, the motor 85 is mounted on the motor base 86, a motor 86 drivingly connected to the spindle nut, the feed rod 84 fixed to the rear end of the feed on the motor base 85, shown in Figure 5, a feed wire attached to the tip of the locking mechanism 84, the wire locking mechanism 841 comprises an upper jaw and a lower jaw 842, lower jaw 842 is fixed to the front end of the feed bar 84, the upper jaw and a lower jaw 841 has a clamping face 842 and wire clamping matches grooves, jaws 841 and the lower end of the upper jaw and the upper jaw 842 is hinged 841 to rotate within the radial section of the wire, the other end of the upper jaw 841 is provided with through grooves or through-holes through which pass through slots or and the screw hole 842 of the jaw so that the upper threaded connection 841 and a lower jaw locking jaw 842 is fixed wire segment 4. 所述送料杆84优选具有中心孔以便于容纳分段线材的一部分,例如圆管。 The feed lever 84 preferably has a central bore for receiving the segment portion of wire in such tube. 如图4所示,所述辅助导向机构7包括导向座71、竖直气缸72、水平气缸73、拖轮座74和导向拖轮75,导向座71固定在机架I上,竖直气缸72固定在导向座71上,竖直气缸72的竖直向上顶出的活塞杆顶端固定水平气缸73,水平气缸73顶部设有水平滑轨,水平滑轨上滑动连接有拖轮座74,水平气缸73水平顶出的活塞杆与拖轮座74固定连接,拖轮座74上设置用于支承送料杆84的导向拖轮75,导向拖轮75能够转动并且圆周上设有环形凹槽。 As shown, the auxiliary guide means 4 comprises a guide 7 seats 71, 72 the vertical cylinder, horizontal cylinder 73, the seat 74 and the guide tug tugboat 75, the guide shoe 71 fixed to the frame I, the vertical cylinder 72 is fixed the guide shoe 71, the vertical cylinder 72 vertically upwardly from the top horizontal cylinder piston rod 73 is fixed to the top, horizontal cylinder provided with a horizontal top rail 73, the slide 74 is connected to the horizontal slide base tugboat, the level of the top horizontal cylinder 73 the piston rod 74 is fixedly connected with the base tug, tugboat is provided for supporting the base 74 on the feed rod guide 75 tugboat 84, 75 rotatably and the tug guide provided with an annular groove on the circumference. 当夹持推送机构8向前送料距离较少时,竖直气缸72和水平气缸73顶出,使得导向拖轮75能够支承送料杆84 ;当夹持推送机构8向前推送较多并靠近导向拖轮75时,竖直气缸72和水平气缸73复位,导向拖轮75退回避开,使得夹持推送机构8可以进一步向前推送送料。 When the clamping mechanism 8 pushes forward feed distance less the vertical cylinder 72 and a horizontal cylinder 73, so that the guide 75 can be supported tug feed lever 84; when the gripping means 8 push forward and push more close to the guide Tug 75, the vertical cylinder 72 and a horizontal cylinder 73 is reset, the guide retracted away from tugboat 75, so that the clamping mechanism 8 can be further pushed to push forward feed.

[0032] 如图6所示,所述夹线机构5设置在机头2上,包括左右相对设置的两个夹线油缸51和两个夹模52,两个夹线油缸51的移动端左右相对顶出从而驱动两个夹模52移动实现对夹,两个夹模52靠近弯线模具3的前部设置夹线嘴,夹线嘴上设有与线材相匹配的夹槽,两个夹1旲52在夹线嘴之后为能够供送料杆84如端芽入的凹槽,这样不仅使得夹线嘴在夹紧时可以保持较大的夹持力,而且使得弯线位置能够更加靠近分段线材的末端;两个夹模52的后侧设有用于穿设分段线材或送料杆84的导向套53,导向套53安装在导向套座54上,导向套座54固定在机头2上。 Two cylinders 51 clamp mechanism 5 is provided on the line head 2, and including two oppositely disposed right and left clamp die 52, the movable end of two clamp cylinders 51 [0032] shown in Figure 6, the right and left clip thereby driving the two opposing ejector 52 is moved to achieve the mold clamping clip, two clips 52 of the front portion close to the bending die line clamp die nozzle 3 is provided, and the wire clamp mouth is provided to match the clip grooves, two clips 1 Dae gripper 52 after the nozzle 84 so as to be supplied into the recess end buds feed rod, so that only the clamping gripper mouth can maintain a large clamping force, and that the curved line can be closer to the position of points the end section of the wire; rear clamp die 52 is provided with two bored sections for wire feed lever 84 or the guide sleeve 53, guide sleeve 53 mounted on the guide sleeve housing 54, the guide sleeve 54 is fixed in the head holder 2 on.

[0033] 这样换装分段线材时,将线材4穿过导向套53和机头旋转机构6的中心孔,因孔径远大于线径安装很方便,将线材4的后端夹紧固定在送料杆84的前端,由两个夹模52夹紧线材,弯线模具3进行弯线成型,送料时松开夹模52,由伺服电机86根据需要控制送料,送料杆84的前端可以穿过导向套53和机头旋转机构6的中心孔,直至夹模52的夹线嘴后面。 [0033] In this way the wire dress segment, the wire 4 passes through the guide sleeve 53 and a central hole of the head rotating mechanism 6, by far greater than the diameter of the aperture is easy to install, the rear end of the wire 4 is fixed in clamping feed the distal end of the rod 84 by two clamping wire clamp die 52, bending line for bending line forming mold 3, the mold 52 when the release clip feeding, the feeding control by the servo motor 86 according to need, the front end of the feed lever 84 through the guide may be sleeve head 53 and a central hole of the rotary mechanism 6 until the mold clamping gripper 52 behind the nozzle.

Claims (1)

1.一种数控弯线机,包括机架(I ),机架(I)上从前至后依次设有机头(2)、机头旋转机构(6)和送料装置,机头(2)上设有弯线模具(3)、模具自转机构和模具转换机构;所述机头上设有能够水平摆动的蜗轮箱,蜗轮箱中的蜗杆由模具自转电机带动转动,并同时驱动两个蜗轮,两个蜗轮与两个主轴固定连接,主轴带内花键,花键轴与主轴花键连接;两个弯线模具分别固定在两个花键轴顶端,花键轴下部套设压簧,压簧下端与花键轴底部相抵,压簧上端与主轴内台阶相抵,从而带动花键轴下移;机头上安装有数控分度器,数控分度器通过摆臂和连杆推动蜗轮箱摆动实现模具转换;所述机头旋转机构包括转动设置在轴座上的旋转轴,旋转轴一端固定机头,旋转轴另一端固定转盘,转盘上设有平衡铁,旋转轴轴心设有可供线材通过的导向管,所述旋转轴与固定在轴 A line CNC bending machine, comprising a frame (I), in sequence from front to back with the head (2), the rotary head means (6) on the frame (I) and a feeding device, a head (2) bending line with the die (3), the mold and the mold rotation mechanism converting means; said machine head is provided with horizontally swingable gear box, a worm gear box of the motor driven in rotation by the mold rotation, the worm wheel and two driven simultaneously, two worm shaft fixedly connected with two inner splined spindle, the spindle spline shaft spline-coupled; two curved lines at the top of two molds are fixed spline shaft, the spline shaft is provided a lower spring sleeve, pressure the lower end of the spring against the bottom of the key shaft splines, the upper end of the spindle and the compression spring against a step, so as to drive down the spline shaft; CNC machine head mounted indexer, NC dividing gear box driven by a swing arm and the conversion achieved die link; the rotary head mechanism comprises a rotation shaft rotatably disposed in the base shaft, the rotating shaft fixed to the head end, the other end of the rotation shaft fixed turntable, the turntable is provided with the balance iron, with the axis of the rotary shaft for the guide wire by tube, the rotary shaft and the fixed shaft 上的旋转电机齿轮传动连接;其特征在于,所述送料装置包括用于夹持分段线材(4)并实现进退的夹持推送机构(8)和用于辅助支撑导向的辅助导向机构(7 );夹持推送机构(8 )包括导轨座(81)、丝杆(82 )、滑块(83 )、送料杆(84)、电机座(85 )和电机(86 ),导轨座(81)安装在机架(I)上,滑块(83 )在导轨座(81)上沿线材轴向滑动,导轨座(81)上固定有丝杆(82),丝杆(82)上螺纹连接有丝杆螺母,丝杆螺母通过轴承安装在滑块(83)上,滑块(83)上固定安装电机座(85),电机座(85)上安装电机(86),电机(86)与丝杆螺母传动连接,电机座(85)上固定送料杆(84)的后端,送料杆(84)的前端安装一线材锁紧机构。 Rotating electrical machine connected to the gear; wherein said feed means includes an auxiliary support guide auxiliary guide means for clamping the wire segments (4) and a push to achieve forward and backward clamping means (8) for (7) ; push the clamping mechanism (8) comprises a guide seat (81), screw (82), the slider (83), the feed lever (84), the motor base (85) and the motor (86), the guide seat (81) is mounted on the frame (the I), the slider (83) along the wire to slide axially on the guide seat (81), fixed screw (82), screw (82) threaded on the guide seat (81) mitosis rod nut, screw nut through a bearing mounted on the slider (83) fixed to the motor mounting seat (85) on the slider (83), mounting the motor (86), the motor (86) on (85) and the motor base screw nut drivingly connected to the motor base is fixed feed lever (84) on the rear end (85), the feed lever (84) attached to the tip of a wire locking mechanism.
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