|Publication number||CN103586368 A|
|Application number||CN 201310549431|
|Publication date||19 Feb 2014|
|Filing date||22 Oct 2013|
|Priority date||22 Oct 2013|
|Also published as||CN103521642A, CN103521642B, CN103521643A, CN103521643B, CN103586367A, CN103586367B, CN103586368B, CN103586369A, CN103586369B, CN103801638A, CN103801638B|
|Publication number||201310549431.9, CN 103586368 A, CN 103586368A, CN 201310549431, CN-A-103586368, CN103586368 A, CN103586368A, CN201310549431, CN201310549431.9|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (6), Classifications (2), Legal Events (4)|
|External Links: SIPO, Espacenet|
一种数控弯线机 A digital variable curved line machine
 技术领域  Technical Field
 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。  The present invention belongs to the field of mechanical processing equipment, in particular to a line CNC bending machine.
 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。  Publication No. CN201231294Y, CN101716636A patent documents disclose two CNC bending line, similar to their structure, are the curved lines forming (such as wire reel) for continuous wire, including rack, Straightening mechanism is provided with wire feeding mechanism, the head rotating mechanism, the nose, cutting mechanism, mold, mold rotation and mold switching mechanism and 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 was no prior art for a section of the wire is bent line segments forming the curved line machine. 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 bent wire machine can not be directly used for staging wire is bent wire forming is: First, the existing feeding mechanism can not achieve sub wire feeding; the second is in the replacement of the wire, the wire threading segment in the nose Cartridge difficult hole; the third is at the bent wire forming, wire segment can not be reliably fixed clamping, impact bending line quality.
 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。  In order to solve the above technical problems, the present invention is to provide a line of CNC bending machine, on the basis of prior art continuous wire bending machine on the line, to feed device is improved so that it can be used to segment curved lines forming wire.
 为了达到上述的目的，本发明采用了以下的技术方案:  To achieve the above object, the present invention employs the following technical solutions:
 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。  A curved line of CNC machine, including the rack, from front to back in sequence with a head, the head rotating mechanism and a feeding device, the machine head with a curved line of molds, dies and molds rotation mechanism conversion mechanism, said feed means includes means for gripping the wire segment and to achieve forward and backward clamping mechanism and push auxiliary support for guiding the auxiliary guide means; push the clamping mechanism comprises guide seat, screw, the slider, the feed rod, and the motor housing motor, guide seat is mounted on a rack, slide rails seat slide axially along the wire, seat rails fixed screw, the screw is screwed screw nut, screw nut bearing mounted to the slider , fixedly mounted on the front seat slide motor, motor base installing the motor, motor and drive screw nut connection, send the rear end of the motor base fixed feed rod, the feed rod to install a wire locking mechanism.
 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。  The feed rod and wire lock securing its front end, so that the wire segments and curved lines feed processing is implemented, with motor synchronous movement with the slider, and the auxiliary support guide mechanism, improve the mobile feeding accuracy.
 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。  Advantageously, the wire locking mechanism comprises upper jaw and lower jaw, lower jaw fixed to the front end of the feed rod, the jaw and the lower jaw gripping surface is provided with a wire matches holding tank, on the lower end of the jaws and the hinged jaw jaws in a radial section of wire rotation, and the other end is provided on the jaw through grooves or through-holes, through which pass through slots or holes screw threaded connection with the lower jaw so that the segment wire lock securing the 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 open structure, easy disassembly wire, locking firmly fixed.
 作为优选，所述送料杆具有能够容纳分段线材的中心孔。  Advantageously, said feed rod having a central bore to accommodate the wire segments.  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。  Auxiliary said guide means may be a fixed tugboat, but preferably, the auxiliary guide means comprises a guide seat, vertical cylinder, horizontal cylinder, tug tugboat seat and guide, guide seat is fixed to the frame, vertical cylinder fixed on the guide seat, vertical cylinder upright ejector rod fixed to the top level of the cylinder, the level of the top of the cylinder provided with a horizontal slide, slide the seat is connected to the horizontal rails tugboat, the level of the top of the horizontal cylinder piston rod is fixedly connected with the seat tugboat, tugs seat is provided for supporting the feed rod guide tugs, tugs guide can be turned and provided with an annular groove 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 base moves closer and feed rod guide support is not required, it can return the tugboat reset, so that the motor can continue to move the seat forward movement feeding, avoiding the fixed tugboat cause the machine can not be avoided is too long and other shortcomings.
 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。  Advantageously, the machine head with a clamp mechanism, including about two clamp cylinders and two oppositely disposed clamping, two mobile end opposite clamp around the top of the cylinder to drive the two folders mode mobile achieve the clip, the two clamping bend near the front line of the mold set clamp mouth, lips clamp is provided with a wire clip that matches the groove, after two clamping gripper mouth to be able to supply the feed lever penetration of the front groove; both the rear clamping segment is provided for bored wire feed rod guide sleeve, guide sleeve mounted on the guide sleeve seat, seat guide sleeve fixed in the head. 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 gripper clamping mouth can maintain a large clamping force, and makes the bend line position can be closer to the end of the wire segments, the guide sleeve is provided for the feed lever can be effectively supported and guided, increase feeding accuracy .
 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。  Advantageously, the machine head with a can of worm gear box panning, worm bins worm rotated by a motor driven mold rotation, and drive both worm and worm wheel fixedly connected to two two spindles, the spindle splines, spline shaft and shaft spline connection band; two curved lines mold are fixed in two spline shaft to the top, the lower spline shaft sleeved spring, at the bottom of the lower end of the spline shaft spring balance, spring the upper end of the inner shaft offset stairs, which led down the spline shaft; fitted with CNC machine head indexer, NC indexer driven by worm gear box and linkage arm swing to achieve mold conversion.
 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。  Advantageously, the head rotating mechanism includes a rotating shaft disposed on the rotary shaft seat, fixed to one end of the rotary shaft head, the other end of the rotary shaft is fixed turntable, the turntable with the balance iron, with the axis of the rotary shaft for the wire through the guide tube, the rotating shaft and the motor gear fixed to the rotary shaft seat connection.
 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。  The present invention adopts the above technical solutions, the use of the feed lever and the front end lock securing the wire, so that the wire segments and curved lines feed processing is implemented, with motor synchronous movement with the slider, and the auxiliary support guide means improve the mobile feeding accuracy, simple and reasonable structure, low manufacturing cost.
附图说明 Brief Description
 图1是本发明弯线机的立体图之一。  FIG. 1 is a perspective view of the present invention, one curved line machine.
 图2是本发明弯线机的立体图之二。  FIG. 2 is a perspective view of the present invention of two curved line machine.
 图3是图2中的A处局部放大图。  FIG. 3 is an enlarged view of 2 in A place.
 图4是图2中的B处局部放大图。  Figure 4 is an enlarged view of 2 B place.
 图5是图2中的C处局部放大图。  FIG. 5 is an enlarged view of 2 C at.
 图6是图2中的D处局部放大图。  FIG. 6 is a partial enlarged view 2 D department.
具体实施方式 DETAILED DESCRIPTION
 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。  Next, with reference to the specific embodiments of the present invention have a detailed description.
 实施例1:  Example 1:
 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  FIG. 1, a line CNC bending machine shown in Figure 2, comprises a frame 1, the frame I turn from front to back with a nose
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 head rotating mechanism 6 and the feeding device, which has a curved line on the nose 2 die 3 and mold rotation and mold switching mechanism.
 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。  where the head rotating mechanism 6, line bending mold 3 and mold rotation mechanism and the structure of the mold switching mechanism of the prior art continuous wire bending machines of the same line, e.g., 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: include machine head with a can of worm gear box panning, worm bins worm rotated by a motor driven mold rotation, and drive both worm and worm wheel fixedly connected to two two spindles Spindle with internal spline, spline shaft and shaft spline connection; two curved lines mold are fixed in the top two spline shaft, spline shaft lower portion sleeved compression spring, spring at the bottom of the lower end of the spline shaft offset, the upper end of the inner shaft stepped spring balance, which led to the spline shaft down; machine equipped with CNC dividing head, a CNC dividing and connecting rod driven through the gear box arm swing to achieve mold 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 head rotating mechanism includes rotating the rotary shaft is provided in the shaft seat, one end of a rotating shaft fixed head, the other end of the rotating shaft is fixed turntable, the turntable has a balance of iron, the axis of rotation of the shaft has a guide available through the wire pipe, the rotating shaft and the motor gear fixed to the rotary shaft seat connection, the rotary motor and the control unit is connected.
 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。  The problem of continuous wire bending machine can not be used directly in the line of wire is bent line segments forming is: First, the existing feed mechanism was unable to achieve sub-wire feeding; the second is in the replacement of the wire, the wire segments in the machine Head Cartridge difficulty stringing hole; the third is at the bent wire forming, wire segment can not be reliably fixed clamping, impact 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 is provided for pushing the segments of wire feeding device on the frame I, the head 2 additional segment for holding fixed line 4 of the clamping mechanism 5.
 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。  The feeding device comprises means for holding the wire segments 4 and realization push forward and backward clamping mechanism 8 and segmentation for supporting and moving the wire guide assisted 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 housing 85 and the motor 86, the guide seat 81 mounted on the frame I, the slider 83 in the guide rail the seat 81 to slide axially along the wire, the guide seat 81 is fixed screw 82, screw 82 screwed screw nut, screw nut bearing mounted on the slider 83, the slider 83 is fixedly mounted motor base 85, the motor housing 85 is installed on the motor 86, the motor 86 is connected with the drive screw nut, the rear end of the feed rod 84 fixed feeding the motor base 85, shown in Figure 5, feed rod 84 is attached to the tip of a wire locking mechanism, the wire locking mechanism comprises a jaw 841 and lower jaw 842 and lower jaw 842 is fixed to the front end of the feed lever 84, the jaws 841 and the lower jaw clamping surface 842 is provided with the wire holding matches groove on one end of the jaws 841 and 842 under the hinged jaw and the upper jaw 841 is rotated in a radial section wire, the jaw and the other end 841 is provided with through slots or through-hole, through which pass through slots or screw holes with the lower jaw 842 thereby screwing the jaw 841 and lower jaw 842 cable lock securing 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 aperture so as to receive a portion of the wire segments, e.g. pipe. 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 7 includes a guide carriage 71, the vertical cylinder 72, the horizontal cylinder 73, Block 74 and the guide tug tugboat 75, guide seat 71 is fixed to the frame I, the vertical cylinder 72 is fixed guide seat 71, the vertical cylinder 72 vertically upward out of the top level of the cylinder piston rod fixed to the top 73, the horizontal cylinder 73 is provided with a horizontal top rail, a horizontal slide rails are connected tugboat seat 74, the horizontal cylinder 73 top level out of the rod holder 74 is fixedly connected with the tugboat, set the seat 74 for supporting the tugboat guiding the feed lever 84 75 tugs, tugs guide 75 can be rotated and is 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 push forward feed less distance, vertical and horizontal cylinder 72 of the cylinder 73 so that the guide 75 tugs capable of supporting the feed lever 84; when the clamping mechanism 8 push push forward more and tugboat near the guide 75, the vertical cylinder 72 and a horizontal cylinder 73 is reset, the guide returned 75 tugs to avoid, so gripping mechanism 8 can further push forward push feed.
 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。 Line mechanism 5 is provided on the head 2, including about two oppositely disposed gripper 51 and two clamping cylinders 52, moving ends of the two clamp cylinders 51.  As shown in Figure 6, the clip around relative to the top of the order to drive two clamping clip 52 moves to achieve the two clamping curved line 52 near the front of the die 3 is set clamp mouth, lips clamp is provided with a wire clip that matches the grooves, the two folders 1 Dae nozzle 52 after the clip to be able to supply the feed lever 84 as side shoots into the groove, so that not only makes the gripper clamping mouth can maintain a large clamping force, and makes the bend line position can be closer to the stars end section of wire; rear side 52 is provided with two clamping segments for the bored or feed wire rod guide sleeve 84 53, the guide sleeve 53 is mounted on the guide sleeve seat 54, the guide sleeve 54 is fixed in the head 2 seat on.
 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。  When this facelift wire segment, the wire 4 through the guide sleeve 53 and the center hole of the head rotating mechanism 6, because much larger than the diameter of the aperture is easy to install, the rear end of the wire 4 fixed clamping feed the front end of the lever 84, 52 clamped by two clamping wire, curved lines 3 curved lines forming die, clamp die 52 is released when the feed by the servo motor 86 controls the feeding necessary, the front end of the feed rod 84 may pass through the guide sleeve 53 and the center hole of the head rotating mechanism 6 until the rear clamp clamping mouth 52.
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