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Working handpiece of numerical control wire bending machine

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Publication number
CN101733344B
CN101733344B CN 200910263838 CN200910263838A CN101733344B CN 101733344 B CN101733344 B CN 101733344B CN 200910263838 CN200910263838 CN 200910263838 CN 200910263838 A CN200910263838 A CN 200910263838A CN 101733344 B CN101733344 B CN 101733344B
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CN
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Grant
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Prior art keywords
bending
connected
displacement
main
shaft
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CN 200910263838
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Chinese (zh)
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CN101733344A (en )
Inventor
周德富
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 relates to a working handpiece of a numerical control wire bending machine, which comprises the working handpiece of the numerical control wire bending machine. Two die heads in the die-changing and die head steering lifting position-hiding mechanism in the numerical control wire bending machine are connected with two spline shafts without relative displacement; the bottom parts of the spline shafts are contacted with the lower end of a pressure spring; the upper end of the pressure spring is contacted with the inner step of a main shaft and drives the spline shafts to move downwards; a swing arm of the position changing and swinging mechanism of the bending die head in the numerical control wire bending machine is connected with a wire bending power driving device without relative displacement; one end of a connecting rod is moveably connected with the swing arm, while the other end is moveably connected with the swing arm; the swing arm is connected with a rotating shaft of a numerical angle graduator without relative displacement; a driving device takes a worm-gear case as a main body; a worm is supported by a bearing without axial displacement, and at the same time drives two worm gears which are connected with the main shaft without relative displacement; splines are arranged in the main shaft; the spline shafts are connected with the splines in the main shaft; the main shaft and the worm-gear case are supported by the bearing without axial displacement; and two bending die heads are connected with the two spline shafts respectively without relative displacement.

Description

数控弯线机工作机头 CNC wire bending machine work head

技术领域 FIELD

[0001] 本发明涉及一种一是机构简洁可靠、结构紧凑、自身重量负载轻、线材成型加工效率高,二是动作响应快速,换模、摆位角度精确度高,三是油缸推力大、剪切力大、体积小的数控弯线机工作机头,属弯线机制造领域。 [0001] First, the present invention relates to a Jian Jie and reliable mechanism, compact, light weight of the load itself, Wire Forming high efficiency, and second, in response to the operation of quick die change, placement angle of high accuracy, three large cylinder thrust, shear force, small volume CNC bending machine working line head, is a bending machine manufacturing line.

背景技术 Background technique

[0002] 目前,市场上销售的弯线机,在结构设计上,每个模头对应一个油缸或气缸分别推拉,实现模头换模及转向升降避位,结构复杂,自身重量负载大,也加重了机头的负载,线材的成型加工效率低。 [0002] At present, commercially bending line, in the structural design, each die corresponding to a respective cylinder or the sliding cylinder, a die changeover to achieve steering movements and to avoid places, complex structure, its own weight load, and increased efficiency of low forming head load wire.

[0003] 数控折弯模头的换位、摆位是通过油缸推动摆杆,信号检测暂停位置,动作相应慢,换模、摆位角度精确度低。 [0003] transposition CNC bending die, anyway, by pushing the cylinder pendulum, pause position detection signal, the respective slow-motion, retooling, less accurate placement angle.

[0004] 数控弯线机的折线机构都通过减速装置和正齿传动装置传动,传动机构结构复杂,自身负载较重,线材的成型加工效率比较低。 [0004] The fold line means are CNC bending machine line via the reduction gear means and the spur gear, the drive mechanism is complicated structures, their load is heavy, the efficiency of forming the wire is relatively low.

[0005] 数控弯线机的数控弯线机线材切断油缸在结构设计上,由单推油缸直接推动剪断模实施剪切或单推油缸结合滑块推动剪断模实施剪切,线材剪切力小,油缸体积大,机头负载重,线材成型加工效率低。 [0005] line CNC bending machine CNC bending machine wire cut line in the structure design of the cylinder, by a single push cylinder driven directly cut or die cut embodiments in conjunction with a single cylinder push slider promote shearing shear modulus embodiment, small shear wire , a large cylinder volume, the head load is heavy, low-wire forming efficiency.

发明内容 SUMMARY

[0006] 设计目的:避免背景技术中的不足之处,设计一种既机构简洁可靠、结构紧凑、自身重量负载轻、线材成型加工效率高,又动作响应快速,换模、摆位角度精确度高,同时油缸推力大、剪切力大、体积小的弯线机换模、转向模头升降避位机构。 [0006] designed: to avoid the shortcomings of the background art, both a mechanism Jian Jie and reliable design, compact, light weight of the load itself, Wire Forming high efficiency, rapid response and operation, mold change, placement accuracy of the angle high, while the cylinder thrust, a large shearing force, a small volume of wire bending machine for mold, die head elevating-avoiding steering mechanism.

[0007] 设计方案:为了实现上述设计目的。 [0007] Design: Design To achieve the above object. 1、两个模头分别与两个花键轴无相对位移连接,花键轴底部与压簧下端相触,压簧上端与主轴内台阶相触且带动花键轴下移的设计,是本发明的技术特征之一。 1, two dies are connected to the two free relative displacement of the spline shaft, the spline shaft and the bottom of the spring contact with the lower end, the upper end of the spring with the drive shaft and the stepped down contact with the spline shaft design, are one of the technical features of the invention. 这样做的目的在于:主轴内台阶使压簧长期处于压缩状态,迫使花键轴长期处于回缩状态,当需要工作的模头转至工位中心,油缸或气缸将花键轴与模头连带顶起,压簧再次被压缩;当需要换模或模头转向时,油缸或气缸缩回,花键轴连带模头在压簧弹力下下降,从而进行避位动作。 The purpose of this is that: the stepped shaft in a compressed state so long compression spring, forcing the long spline shaft in a retracted position, when the die needs to go to work station center, the cylinder or the cylinder and the die spline shaft joint from the top, the compression spring is compressed again; when the need to change the die or die steering cylinder or the cylinder retracted, the spline shaft joint die lowered under resiliency of the spring, thereby performing location avoiding operation. 2、摆臂与弯线动力驱动装置无相对位移连接,第二摆臂和连杆的一端活动连接,连杆的另一端和第一摆臂活动连接的设计,是本发明的技术特征之二。 2, the arm drive device without bending line relative displacement connector, the second end of the movable arm and the connecting rod, the other end of the link design of active connections and the first swing arm, is the second technical feature of the present invention . 这样做的目的在于:两摆臂通过连杆连接,可以实现两摆臂的同步摆动且相应快速。 The purpose of this is that: two arm via a link connection, two swinging arm can be synchronized and accordingly fast. 3、第一摆臂与数控角度分度器的转轴无相对位移连接的设计,是本发明的技术特征之三。 3, the angle of the first swing arm and NC indexer shaft is connected without relative displacement design, three features of the present invention. 这样做的目的在于:通过数控角度分度器的分度控制,可以提高换模、摆位角度精确度,实现任意角度位置停靠。 The purpose of this is to: numerically controlled by the indexing angle of the indexer, the changeover can be improved, the accuracy of the placement angle, to achieve any angle stop position. 4、传动装置以蜗轮箱为主体,蜗杆通过轴承座支承且无轴向位移,并同时驱动两个蜗轮的设计,是本发明的技术特征之四。 4, the transmission device as the main gear box, a worm supported by a bearing block and without axial displacement, and simultaneously drive two worm design, four technical features of the present invention. 这样做的目的在于:两个蜗轮由同一蜗杆驱动,确保了蜗杆的同步动作,避免了异步传动很难达到同步动作的缺点。 The purpose of this is: two worm gear driven by the same worm, the worm ensures synchronous operation, avoiding the disadvantages of asynchronous transmission difficult to achieve synchronized action. 5、 两个蜗轮与主轴无相对位移连接,主轴内带花键,花键轴与主轴内的花键连接,主轴与蜗轮箱通过轴承支承且无轴向位移,两个折弯模头分别与两根花键轴无相对位移连接的设计,是本发明的技术特征之五。 5, the two worm spindles are connected without relative displacement, the splined shaft, spline shaft and spline connection in the main shaft, main shaft and the gear box is supported by a bearing and without axial displacement, respectively, two bend die design of two splined shaft is connected against relative displacement, five technical features of the present invention. 这样做的目的在于:两个蜗轮同步转动带动主轴,主轴通过与两根花键轴之间的花键连接驱动两根花键轴同步转动,最终达到两个折弯模头的同步折弯动作。 The purpose of this is that: two synchronous rotation of worm drive shaft, spline-shaft between the two spline shaft spline shaft connected to drive two synchronous rotation, the final bending operation to synchronize two bending die . 7、固定剪断模固定在主体上,主体直接作为油缸缸体的设计,是本发明的技术特征之七。 7, the fixed mold is fixed to the cut body, the cylinder body of the cylinder is designed as a direct, seven technical features of the present invention. 这样做的目的在于:减小了油缸的体积,减轻了机头的负载,从而提高了线材成型加工效率。 The purpose of this is to: reduce the volume of the cylinder, reduces the load of the head, thereby improving the efficiency of forming the wire. 8、活动剪断模与活动模座无相对位移连接,活动模座与活塞杆无相对位移连接,主体内的通油口与之相连的油腔和油腔连通,通油口与之相连的油腔和油腔连通的设计,是本发明的技术特征之八。 8, the movable mold and the movable mold cut seat without relative displacement connector, the movable die holder is connected with the piston rod without relative displacement, the oil chamber through the oil port in the body connected thereto and the oil chamber communicates with the oil through the oil port connected and an oil chamber communicating chamber design, eight of the technical features of the present invention. 这样做的目的在于:通油口进油时,随油路分配后,油腔和油腔同时进油,推动活塞和活塞杆箱左移动,实现剪断位移动作;当通油口进油时,随油路分配后,油腔和油腔同时进油,实现剪断退回动作。 The purpose of this is that: when the oil through the oil feed port, with the dispensing passage, the oil chamber and the oil chamber into the oil at the same time, pushing the piston and the piston rod moves left box, cut to achieve displacement operation; when the oil through the oil inlet port, after dispensing with oil, oil chamber and the oil chamber into the oil at the same time, to achieve cut retracting operation.

[0008] 技术方案:数控弯线机工作机头,它包括数控弯线机工作机头,所述数控弯线机中的换模、转向模头升降避位机构中的两个模头分别与两个花键轴无相对位移连接,花键轴底部与压簧下端相触,压簧上端与主轴内台阶相触且带动花键轴下移;所述数控弯线机中的数控弯线机折弯模头换位、摆位机构中的摆臂与弯线动力驱动装置无相对位移连接,第二摆臂和连杆的一端活动连接,连杆的另一端和第一摆臂活动连接,第一摆臂与数控角度分度器的转轴无相对位移连接;所述数控弯线机中的传动装置以蜗轮箱为主体,蜗杆通过轴承座支承且无轴向位移,并同时驱动两个蜗轮,两个蜗轮与主轴无相对位移连接,主轴内带花键,花键轴与主轴内的花键连接,主轴与蜗轮箱通过轴承支承且无轴向位移,两个折弯模头分别与两根花键轴无相对位移连接;所述 [0008] Technical Solution: CNC bending machine working line head, the line comprising a CNC bending machine working head, the bending die change CNC machine line, avoiding turning the die lifting mechanism in position two dies respectively two splined shaft is connected against relative displacement, and the bottom of the spline shaft touching the lower end of the compression spring, the upper end of the spring with the drive shaft and the stepped touching down the spline shaft; CNC bending line of the machine CNC bending machine line transposition bending die, the swing arm means and the bit line drive device without bending relative displacement connector, the second end of the movable arm and the link is connected to the other end of the link and the first arm movably connected, NC angle of the first swing arm and the indexer shaft is connected without relative displacement; transmission line of the CNC bending machine main body in a worm gear box, a worm and no support bearing seat by axial displacement, and two worm drives simultaneously, two a worm wheel connected to the spindle without relative displacement, the splined shaft, spline shaft and spline connection in the main shaft, main shaft and the gear box is supported by a bearing and without axial displacement, and two bending dies are two flowers key shaft without relative displacement; said 数控弯线机中的数控弯线机线材切断油缸中的固定剪断模固定在主体上,主体直接作为油缸缸体,活动剪断模与活动模座无相对位移连接,活动模座与活塞杆无相对位移连接,主体内的通油口与之相连的油腔和油腔连通,通油口与之相连的油腔和油腔连通。 CNC bending machine CNC bending wire line wire cutting machine to cut a fixed cylinder fixed to the mold body, the cylinder body directly as a fuel tank, the movable mold and the movable mold cut seat without relative displacement connector, the movable die holder relative to the piston rod without displacement connector, the oil chamber through the oil port in the body connected thereto and the oil chamber communicates, through the oil opening oil chamber and the oil chamber connected thereto communication.

[0009] 本发明与背景技术相比,一是数控弯线机换模、转向模头升降避位机构简洁可靠, 结构紧凑,自身重量负载轻,线材成型效率高;二是数控弯线机折弯模头换位、摆位机构一种动作响应快速,换模、摆位角度精确度高;三是结构紧凑,自身重量负载轻,线材成型效率高;四是同样压力源,数控弯线机线材切断油缸推力大,剪切力大,体积小,自身重量负载轻,从而减轻了机头负载,提高了线材成型加工效率。 [0009] The present invention is compared to the background art, one line CNC bending machine for mold, die head elevating steering position avoiding Jian Jie and reliable mechanism, compact, light weight of the load itself, the wire forming the high efficiency; Second CNC bending machine off line bending die transposition, placement mechanism for rapid response operation, mold change, high precision placement angle; three is compact, light weight of the load itself, the wire forming the high efficiency; Fourth same pressure source, CNC bending machine line wire cutting cylinder thrust, a large shearing force, small volume, light weight of the load itself, thereby reducing the load of the head, the wire forming improve processing efficiency.

附图说明 BRIEF DESCRIPTION

[0010] 图1是弯线机换模、转向模头升降避位机构的结构示意图。 [0010] FIG. 1 is a bending machine line for mold, die structural diagram of the steering mechanism of the lift-avoiding.

[0011] 图2是数控弯线机折弯模头换位、摆位机构的结构示意图。 [0011] FIG. 2 is a CNC bender bending line transposition die, a schematic structure placement mechanism.

[0012] 图3是图2的A向结构示意图。 [0012] FIG 3 A is a schematic view of the structure of FIG. 2.

[0013] 图4是数控弯线机(折线机)传动装置的结构示意图。 [0013] FIG. 4 is a CNC bending machine line (line unit) is a schematic view of the transmission.

[0014] 图5是图4的A向结构示意图。 [0014] FIG 5 A is a schematic view of the structure of FIG. 4.

[0015] 图6是数控弯线机线材切断油缸的结构示意图。 [0015] FIG. 6 is a schematic structural diagram of the wire cutting CNC bending machine cylinder line.

[0016] 图7是通油口进油时的结构示意图。 [0016] FIG. 7 is a schematic structural view of a through port into the oil.

[0017] 图8是通油口进油时的结构示意图。 [0017] FIG. 8 is a schematic structural view of a through port into the oil.

具体实施方式 detailed description

[0018] 实施例1 :参照附图1〜8。 [0018] Example 1: 1~8 with reference to the accompanying drawings. 数控弯线机工作机头,它包括数控弯线机工作机头,所述数控弯线机中的弯线机换模、转向模头升降避位机构中的两个模头1-1分别与两个花键轴1-2无相对位移连接,花键轴1-2底部与压簧1-3下端相触,压簧1-3上端与主轴内台阶相触且带动花键轴1-2下移。 CNC bending machine working line head, comprising CNC bending machine working line head, the line CNC bending machine bending machine die change line, steering movements of the die-avoiding two die bodies 1-1 respectively 1-2 no relative displacement of the two splined shaft, and a bottom spline shaft 1-2 1-3 touching the lower end of the compression spring, the upper end of the inner spring 1-3 spindle drive and touching stepped spline shaft 1-2 down. 当需要工作的模头1-1转至工位中心,油缸或气缸1-5中活塞头1-4将花键轴与模头1-1连带顶起,压簧1-3再次被压缩;当需要换模或模头1-1转向时,油缸或气缸1-5中的活塞头1-4缩回,花键轴1-2连带模头1-1在压簧1-3弹力下下降,从而进行避位动作。 When work needs to go to the die station centers 1-1, cylinder head or the cylinder piston 1-5 1-4 spline shaft and the die push-up joint 1-1, 1-3 spring is compressed again; when a need to change the die or die steering 1-1, 1-5 in the cylinder or the cylinder piston head is retracted 1-4, 1-2 spline shaft joint in the die 1-1 drops 1-3 elastic spring so as to perform interference-avoiding action.

[0019] 所述数控弯线机中的数控弯线机折弯模头换位、摆位机构,摆臂2-1与弯线动力驱动装置2-2无相对位移连接,第二摆臂2-1和连杆2-3的一端活动连接,连杆2-3的另一端和第一摆臂2-4活动连接,第一摆臂2-4与数控角度分度器2-5的转轴无相对位移连接且通过数控角度分度器的分度控制,可以提高换模、摆位角度精确度,实现任意角度位置停罪。 [0019] The line CNC bending machine CNC bending machine die bending line transposition, placement mechanism, and the curved line 2-1 arm drive device 2-2 is connected without relative displacement, a second arm 2 1 and the end of the movable link 2-3 is connected, the other end of the link 2-3 and 2-4 of the first articulated arm, the first arm and NC 2-4 indexer shaft angle is no relative 2-5 and connecting through the digital displacement angle indexing indexer control, the changeover can be improved, the accuracy of the placement angle, achieve any angular position stop crime.

[0020] 所述数控弯线机中的传动装置以蜗轮箱3-1为主体,蜗杆3-2通过轴承座3-3支承且无轴向位移,并同时驱动两个蜗轮3-4,两个蜗轮3-4与主轴3-5无相对位移连接,主轴 [0020] The transmission line CNC bending machine main body in a worm gear box 3-1, 3-2 through 3-3 chock support without axial displacement, and a worm drive both 3-4, two a worm shaft 3-5 and 3-4 are connected without relative displacement spindle

3-5内带花键,花键轴3-6与主轴3-5内的花键连接,主轴3-5与蜗轮箱3_1通过轴承支承且无轴向位移,两个折弯模头3-7分别与两根花键轴3-6无相对位移连接。 Splined 3-5, 3-6 connected to the spline shaft within the spline shaft 3-5, 3-5 and gear box shaft supported by bearings 3_1 and without axial displacement, two bending dies 3- 7, respectively, and two 3-6 splined shaft is connected against relative displacement.

[0021] 所述数控弯线机中的数控弯线机线材切断油缸中的固定剪断模4-1固定在主体 [0021] The CNC bending machine CNC bending wire line wire cutting machine die cylinder is fixed shearing fixed body 4-1

4-2上,主体4-2直接作为油缸缸体,活动剪断模与活动模座4-3无相对位移连接,活动模座4-3与活塞杆4-4无相对位移连接,主体4-2内的通油口4-5与之相连的油腔4_6和油腔4-7连通,通油口4-8与之相连的油腔4-9和油腔4-10连通。 4-2, 4-2 directly as a cylinder of the cylinder body, the movable mold and the movable mold cut no relative displacement connector base 4-3, 4-3 connected to the movable die base 4-4 without relative displacement of the piston rod, the main 4- 4-7 and the oil chamber communicates 4_6 oil chamber through the oil port in the 24-5 connected thereto, the oil chamber through the oil communication port connected thereto 4-8 4-9 4-10 and the oil chamber.

[0022] 需要理解到的是:上述实施例虽然对本发明作了比较详细的文字描述,但是这些文字描述,只是对本发明设计思路的简单文字描述,而不是对发明设计思路的限制,任何不超出本发明设计思路的组合、增加或修改,均落入本发明的保护范围内。 [0022] required understood that: the above-described embodiments, although the present invention has been more detailed text, but the text description, simply text on the design concept of the present invention will be described, not limitation of the design ideas invention, any exceeding combination of design ideas of the present invention, additions or modifications fall within the scope of the present invention.

Claims (1)

1. 一种数控弯线机工作机头,其特征是:所述数控弯线机中的换模、转向模头升降避位机构中的两个折弯模头分别与两个花键轴无相对位移连接,花键轴底部与压簧下端相触,压簧上端与主轴内台阶相触且带动花键轴下移;所述数控弯线机中的数控弯线机折弯模头换位、摆位机构中的摆臂与弯线动力驱动装置无相对位移连接,第二摆臂和连杆的一端活动连接,连杆的另一端和第一摆臂活动连接,第一摆臂与数控角度分度器的转轴无相对位移连接;所述数控弯线机中的传动装置以蜗轮箱为主体,蜗杆通过轴承座支承且无轴向位移,并同时驱动两个蜗轮,两个蜗轮与主轴无相对位移连接,主轴内带花键,花键轴与主轴内的花键连接,主轴与蜗轮箱通过轴承支承且无轴向位移;所述数控弯线机中的数控弯线机线材切断油缸中的固定剪断模固定在主体上, A work head CNC bending machine line, characterized in that: the changeover line CNC bending machine, the steering movements of the die-avoiding mechanism are no two bending die with two spline shaft relative displacement connector, and a bottom spline shaft touching the lower end of the compression spring, the upper end of the spring with the drive shaft and the stepped touching down the spline shaft; NC NC bending line of the bending machine die bender line transposition the swing arm and curved line power drive mechanism in anyway, no relative displacement connector, the second end of the movable arm and the connecting rod, the other end of the link and the first arm movably coupled, the first swing arm and NC angle of the indexer shaft is connected without relative displacement; transmission line of the CNC bending machine main body in a worm gear box, a worm and no support bearing seat by axial displacement, and simultaneously drive two worm, worm wheel and the two opposite spindles without displacement connector, the splined shaft, a spline shaft and spline connection in the main shaft, main shaft and the worm gear box supported by bearings without axial displacement; CNC bending line of the machine CNC bending machine wire cutting line of the cylinder fixed shearing mold fixed to the body, 体直接作为油缸缸体,活动剪断模与活动模座无相对位移连接,活动模座与活塞杆无相对位移连接,主体内的两个通油口分别左右两个油腔连通。 Directly as the cylinder block body, the movable mold and the movable mold cut seat without relative displacement connector, the movable die holder is connected with the piston rod without relative displacement of the two ports in the body through the left and right oil chambers communicating respectively.
CN 200910263838 2009-12-19 2009-12-19 Working handpiece of numerical control wire bending machine CN101733344B (en)

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Publication number Priority date Publication date Assignee Title
CN103586369B (en) * 2013-10-22 2015-09-16 浙江博雷重型机床制造有限公司 One kind CNC bending machine line
CN103506522B (en) * 2013-10-22 2015-04-15 浙江博雷重型机床制造有限公司 Auxiliary guiding mechanism for numerical control wire bending machine

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US4833778A (en) 1986-12-22 1989-05-30 Eubanks Engineering Co. Wire processing apparatus and method
US5136867A (en) 1987-09-09 1992-08-11 Spuhl Ag Automatic frame bending machine for bending of steel rods or band steel
CN2841185Y (en) 2005-11-02 2006-11-29 逸升机械有限公司 Composite cantilever winding-machine structure
CN201231294Y (en) 2008-06-13 2009-05-06 厦门鑫汇源制造有限公司 Numerical control wire bending machine
CN201572861U (en) 2009-12-19 2010-09-08 浙江博雷重型机床制造有限公司 Numerically controlled wire bending machine operating head

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US4833778A (en) 1986-12-22 1989-05-30 Eubanks Engineering Co. Wire processing apparatus and method
US5136867A (en) 1987-09-09 1992-08-11 Spuhl Ag Automatic frame bending machine for bending of steel rods or band steel
CN2841185Y (en) 2005-11-02 2006-11-29 逸升机械有限公司 Composite cantilever winding-machine structure
CN201231294Y (en) 2008-06-13 2009-05-06 厦门鑫汇源制造有限公司 Numerical control wire bending machine
CN201572861U (en) 2009-12-19 2010-09-08 浙江博雷重型机床制造有限公司 Numerically controlled wire bending machine operating head

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