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CN104325045B - Hydraulic bending mechanism toothless - Google Patents

Hydraulic bending mechanism toothless Download PDF

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Publication number
CN104325045B
CN104325045B CN 201410443489 CN201410443489A CN104325045B CN 104325045 B CN104325045 B CN 104325045B CN 201410443489 CN201410443489 CN 201410443489 CN 201410443489 A CN201410443489 A CN 201410443489A CN 104325045 B CN104325045 B CN 104325045B
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CN 201410443489
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Chinese (zh)
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CN104325045A (en )
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吴家集
黄共才
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吴家集
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Abstract

本发明公开了一种液压无齿弯曲机构,包括弯曲体、连杆装置和液压缸,液压缸包括活塞杆,活塞杆与连杆装置的一端相连接,弯曲体包括转轴,连杆装置的另一端与转轴相连接,连杆装置内侧开设有倒角,活塞杆的轴心线位于连杆装置的轴心线的外侧。 The present invention discloses a hydraulic toothless bending mechanism comprises a curved body, the link means and a hydraulic cylinder, one end of the hydraulic cylinder includes a piston rod connected to the link means, the bending member comprises a shaft, the other link device One end of the rotary shaft is connected, it defines a chamfered inner link means, located outside the axis of the piston rod axis of the link devices. 液压缸的活塞杆推动连杆装置,再带动弯曲体的转轴转动,从而可以通过控制液压缸的液压实现对连杆的推动和转轴的转动。 Cylinder rod push link means, the bent shaft and then drive the rotating body, thereby enabling rotation of the shaft and the push rod by controlling the hydraulic cylinder. 本发明公开的液压无齿弯曲机构具有结构简单,弯曲效率高,制造成本低,提高了使用寿命和工作的可靠性的特点。 The present invention discloses a hydraulic toothless bending mechanism has a simple structure, high bending efficiency, low manufacturing cost, improve the life and reliability of operation characteristics.

Description

液压无齿弯曲机构 Hydraulic bending mechanism toothless

技术领域 FIELD

[0001 ]本发明属于一种线材加工装置,尤其是涉及一种液压无齿弯曲机构。 [0001] The present invention pertains to a wire processing apparatus, particularly relates to a hydraulic toothless bending mechanism.

背景技术 Background technique

[0002]弯曲机构通常是指弯曲360°以内的机构,使用范围广,通常采用减速机构带动转轴转动,通过齿轮齿条的旋转运动实现对待弯曲材料的弯曲,结构复杂,制造成本高;且通过齿轮齿条传动易出现啮合时齿的断裂,影响使用寿命。 [0002] The bending mechanism generally refers to a bending mechanism within 360 °, using a wide range, usually reduction mechanism drive shaft is rotated, the bend of treated material is achieved by rotation of the gear rack, complex structure and high manufacturing costs; and by rack and pinion teeth broken when engaged prone to affect the service life. 同时,由于其结构的复杂性,以及整体体积较大,使得有些地方结构受限制,不好实现。 Meanwhile, because of its greater complexity and overall volume of the structure, such that the structure in some places is limited, not realized.

发明内容 SUMMARY

[0003]本发明的目的在于提供一种液压无齿弯曲机构,可以解决上述技术问题中的至少一个。 [0003] The object of the present invention is to provide a hydraulic mechanism toothless bent, the above problems can be solved at least one.

[0004]根据本发明的一个方面,提供了一种液压无齿弯曲机构,包括弯曲体、连杆装置和液压缸,液压缸包括活塞杆,活塞杆与连杆装置的一端相连接,弯曲体包括转轴,连杆装置的另一端与转轴相连接,连杆装置内侧开设有倒角,活塞杆的轴心线位于连杆装置的轴心线的外侧。 [0004] In accordance with one aspect of the present invention, there is provided a hydraulic toothless bending mechanism comprises a curved body, the link means and a hydraulic cylinder, one end of the hydraulic cylinder comprising a piston rod connected to the link means, the bending member comprising a shaft, the other end of the link means is connected to the shaft, defines a chamfered inner link means, located outside the axis of the piston rod axis of the link devices.

[0005]本发明的有益效果是:液压缸的活塞杆推动连杆装置,再带动弯曲体的转轴转动,从而可以通过控制液压缸的液压实现对连杆的推动,减少了减速机构的使用,简化整体结构;活塞杆的轴心线位于连杆装置的轴心线的外侧,使得活塞杆在开始推动连杆装置时,在活塞杆的作用力下,连杆装置不会弯曲,保证连杆装置能够有效推动转轴转动,提高了弯曲效率;连杆装置内侧设有倒角,可以使得其推动转轴转动后,连杆装置向倒角一侧弯曲,保证转轴的转动。 [0005] Advantageous effects of the present invention is that: the cylinder rod push link means, the bent shaft and then drive the rotating body, thereby enabling to push the control rod by a hydraulic cylinder, reducing the use of the speed reduction mechanism, to simplify the overall structure; located outside the axis of the piston rod axis of the link means, so that the piston rod at the beginning of the push link means under the force of the piston rod, the link means is not bent, to ensure that the link apparatus can efficiently promote the axis of rotation, increase the efficiency of bending; inner link means provided with a chamfer, such that it can push the axis of rotation, the link means is bent toward the side of the chamfer, to ensure rotation of the shaft. 由此,本发明的液压无齿弯曲机构减少了对减速机构和齿轮齿条的使用,结构简单,降低了制造成本,以及提高了使用寿命和工作的可靠性。 Accordingly, the present invention is a hydraulic toothless bending mechanism to reduce the use of a rack and a gear reduction mechanism of simple structure, reducing the manufacturing cost, and improves the reliability and working life.

[0006]在一些实施方式中,连杆装置可以包括外杆和内杆,外杆位于内杆两侧,外杆与内杆固定连接。 [0006] In some embodiments, the apparatus may comprise an outer link rod and inner rod and outer rod on both sides of the inner rod and outer rod is fixedly connected to the inner rod. 由此,设有内杆和外杆,可以将活塞杆作用在连杆装置上的力更好的传递,受力效果好。 Thus, with the inner rod and outer rod, the piston rod may be a force acting on the transmission link device better, force is good effect.

[0007]在一些实施方式中,外杆可以包括第一杆和第二杆,第一杆和第二杆对称位于内杆的两侧,第一杆和第二杆均包括多个依次排列的第一连杆单元。 [0007] In some embodiments, the outer bar may comprise a first and second rods, first and second rods located symmetrically on both sides of the inner rod, the first and second rods each comprise a plurality of sequentially arranged a first link unit. 由此,方便外杆的各第一连杆单元的作用力的传递,同时方便外杆的弯曲。 Thus, to facilitate transfer forces in each of the first link unit of the outer rod, while the outer rod to facilitate bending.

[0008]在一些实施方式中,内杆可以包括多个依次排列的第二连杆单元,第二连杆单元的轴向长度与第一连杆单元的轴向长度相等,第二连杆单元与第一连杆单元交错设置。 [0008] In some embodiments, the inner rod may include a second plurality of link units arranged sequentially equal axial length of the second link unit to the first link unit, a second link unit a first link unit staggered. 由此,方便内杆和外杆的均匀受力,以及方便第一连杆单元和第二连杆单元的连接。 Thereby, a uniform force to facilitate the rod and an outer rod, and easy to connect the first link and the second link unit cell.

[0009]在一些实施方式中,第一连杆单元两端的内侧和第二连杆单元的内侧均开设有倒角。 [0009] In some embodiments, the inner ends of the first link unit and the inside of the second link unit defines both chamfered. 由此,可以使得第一连杆单元和第二连杆单元在弯曲时,方便向内侧弯曲。 Thereby, it is possible that the first link and the second link element upon bending unit, to facilitate bending inward.

[0010]在一些实施方式中,外杆与内杆通过销轴相固定,任一第一连杆单元和第二连杆单元均设有两个与销轴对应的通孔。 [0010] In some embodiments, the outer and the inner rod fixed to the rod by a pin, any one of the first link and the second link unit cell has two through holes corresponding to the pin. 由此,设有销轴和通孔,方便外杆与内杆的固定。 Thus, with the pin and the through holes to facilitate fixing the outer lever and the inner lever.

[0011]在一些实施方式中,弯曲体还可以包括臂杆,臂杆与转轴固定连接,连杆装置通过臂杆与转轴相连接。 [0011] In some embodiments, the body further may include a curved arm, the arm is fixedly connected with the shaft, the link arm connected by means of the rotation shaft. 由此,设有臂杆可以方便转轴与连杆装置的连接。 Thus, with the arm shaft can be easily connected to the link means.

[0012]在一些实施方式中,弯曲体还可以包括限位块,限位块位于转轴一侧,限位块与销轴对应设置。 [0012] In some embodiments, the curved body may further include a stopper, stopper is located on one side of the shaft, the stopper is provided with a corresponding pin. 由此,设有限位块可以对销轴进行限位,防止连杆装置向外运动。 Thus, the stopper may be provided on the stopper pin, the link means to prevent outward movement.

附图说明 BRIEF DESCRIPTION

[0013]图1是本发明的一种实施方式的主视结构示意图; [0013] FIG. 1 is a front view showing the structure of an embodiment of the present invention;

[0014]图2是图1的俯视结构示意图; [0014] FIG. 2 is a schematic top view of the structure of Figure 1;

[0015]图3是本发明的液压无齿弯曲机构中内杆和外杆的配合结构示意图; [0015] FIG. 3 of the present invention is a hydraulic mechanism toothless curved inner rod and outer rod with a schematic structure;

[0016]图4是本发明的液压无齿弯曲机构中连杆装置与转轴相连接的结构示意图; [0016] FIG. 4 is a hydraulic schematic of the present invention is unstructured and the shaft connected to the link mechanism is bent teeth means;

[0017]图5是本发明的液压无齿弯曲机构中弯曲体的结构示意图; [0017] FIG. 5 is a hydraulic schematic of the present invention are not curved tooth structure bending mechanism;

[0018]图6是本发明的液压无齿弯曲机构中通孔的侧视结构示意图。 [0018] FIG. 6 is a schematic side view of the structure of the through hole is bent teeth hydraulic mechanism according to the invention no.

具体实施方式 detailed description

[0019]下面结合附图对本发明作进一步详细的说明。 [0019] The following figures present invention will be further described in detail in conjunction.

[0020]参照图1和图2:液压无齿弯曲机构,包括弯曲体1、连杆装置2和液压缸3,液压缸3包括活塞杆31,活塞杆31与连杆装置2的一端通过销轴相连接。 [0020] Referring to FIGS. 1 and 2: Hydraulic toothless bending mechanism comprising a bending member, the link device 2 and the cylinder 3, the hydraulic cylinder 31 comprises a piston rod 3, one end of the piston rod 31 of the link device 2 through a pin connected to the shaft. 弯曲体I包括转轴11,连杆装置2的另一端与转轴11相连接,连杆装置2内侧开设有倒角21,活塞杆31的轴心线311位于连杆装置2的轴心线24的外侧。 I curved body comprises a shaft 11, the other end of the link means 2 is connected to the rotary shaft 11, the link means defines a second inner chamfer 21, the axis 31 of the piston rod 311 is located in the axis 2 of the link arrangement 24 outside. 本发明的液压无齿弯曲机构在工作时,液压缸3中的液压逐渐增加,活塞杆31在液压的作用下向连杆装置2—侧移动。 The hydraulic present invention toothless bending mechanism at work, the hydraulic pressure in the hydraulic cylinders 3 are gradually increased, the piston rod 31 moves to the side 2- link means under the action of hydraulic pressure. 倒角21和活塞杆31的轴心分别位于连杆装置2轴心的相对两侧,使得活塞杆31开始推动连杆装置2时,连杆装置2不弯曲,并随着活塞杆31—同前进,逐渐带动转轴11转动。 The axis of the piston rod 31 and a chamfer 21 are respectively located on opposite sides of the axis of the link means 2, the piston rod 31 starts when the push link means 2, the link means 2 is not bent, and the piston rod with 31- forward, gradually brought rotation of the spindle 11.

[0021]本发明的液压无齿弯曲机构通过使用液压缸3和连杆装置2可以实现对弯曲体I中的转轴11转动情况的控制,避免使用现有的弯曲机构中的减速机构和齿轮齿条,可以通过连杆装置2的传动带动转轴11转动。 [0021] The present invention is a hydraulic toothless bending mechanism 3 through the hydraulic cylinder and the link control device 2 can achieve bending member 11 I is the rotation of the shaft, avoiding the use of a conventional bending mechanism and the gear reduction mechanism tooth bar 2 can be driven by the drive rod 11 rotatable shaft means. 本发明的液压无齿弯曲机构可以适用于液压钢筋弯箍机和液压弯管机等弯曲机械。 The hydraulic toothless present invention applied to a hydraulic mechanism may bend steel hoop bending machine and the hydraulic pipe bending machine and the like.

[0022] 如图3和图4所示,连杆装置2包括外杆22和内杆23,外杆22位于内杆23两侧,为了保证连杆装置2的强度,内杆23的径向厚度为外杆22径向厚度的两倍。 [0022] As shown in FIG. 3 and FIG. 4, the link device 2 includes an outer shaft 22 and inner rod 23, the outer lever 23 is located on both sides of the inner rod 22, in order to ensure the strength of the link device 2, the radially inner pole 23 22 times the thickness of the radial thickness of the outer rod. 外杆22与内杆23固定连接,外杆22与内杆23通过销轴6相固定。 The outer rod 22 and the inner rod 23 is fixedly connected to the outer rod 22 and the rod 23 is fixed by a pin 6.

[0023] 外杆22包括第一杆221和第二杆222,第一杆221和第二杆222对称位于内杆23的两侧,第一杆221和第二杆222均包括多个依次排列的第一连杆单元4。 [0023] The outer shaft 22 includes a first lever 221 and second lever 222, the first rod 221 and second rod 222 is located symmetrically on both sides of the inner rod 23, the first rod 221 and second rod 222 includes a plurality of sequentially arranged a first link unit 4.

[0024]内杆23包括多个依次排列的第二连杆单元5,第二连杆单元5的轴向长度与第一连杆单元4的轴向长度相等。 [0024] The inner rod 23 includes a second link unit more than five sequentially arranged, the axial length is equal to the second link unit 5 and the axial length of the first link unit 4. 第二连杆单元5与第一连杆单元4交错设置,即多个第二连杆单元5组成的内杆23与多个第一连杆单元4组成的外杆22后,外杆22的两端面均超出内杆23相应的两端面的距离等于第二连杆单元5轴向长度的一半,使得第二连杆单元5和第一连杆单元4之间的作用力可以相互传动。 The second link unit 5 and the first link unit 4 alternately arranged, i.e., a plurality of second link unit 5 is composed of an outer rear inner shaft 23 and the rod 4 consisting of a plurality of the first link unit 22, the outer rod 22 both end faces of the inner rod exceeded a distance corresponding to both end faces of the second link unit 23 is equal to half the axial length of the 5, so that the second link unit 5 and the first link unit 4 may drive force between each other. 其中外杆22的两端超出内杆23的两端。 Wherein the outer ends beyond the ends of the rod 22 within the rod 23.

[0025] 如图3和图6所示,任一第一连杆单元4和第二连杆单元5均设有两个与销轴6对应的通孔7,两个通孔7的中心距离为第一连杆单元4或第二连杆单元5轴向长度的一半,两个通孔7大小相等,销轴6贯穿通孔7将第一连杆单元4和第二连杆单元5进行固定,外杆22和内杆23通过销轴6完成连接。 [0025] As shown in FIGS. 3 and 6, any 7, the centers of the two through-holes 7 and the second unit 4 from the link unit 5 has two through holes and a pin corresponding to the first link 6 4 or the second half of the axial length of the link unit 5 of the first link unit, two of equal size through-holes 7, the through-hole 7 through pin 6 of the first link and the second link unit 4 unit 5 fixed, outer rod 22 and inner rod 6 by a pin 23 to complete the connection.

[0026]第一连杆单元4两端的内侧和第二连杆单元5的内侧均开设有倒角21,各倒角21的大小相等。 Inner [0026] The first link unit 4 and the inner ends of the second link unit 5 defines a chamfer 21 are equal to the size of each chamfer 21.

[0027]如图5所示,弯曲体I还包括臂杆12,臂杆12焊接在转轴11的中部,连杆装置2通过臂杆12与转轴11相连接。 [0027] 5, further comprising a curved body I arm 12, the arm 12 is welded to the central shaft 11, the link device 2 through the arm 12 and the shaft 11 is connected. 连杆装置2的一端通过外杆22与活塞杆31通过销轴6固定连接,活塞杆31上开设有与销轴6相配合的安装孔;连杆装置2的另一端通过外杆22与臂杆12通过销轴6固定连接,臂杆12上开设有与销轴6相配合的安装孔。 End of the link device 2 through the outer rod 22 and the piston rod 31 is fixedly connected by a pin 6, the piston rod defines a mounting hole 6 and the pin 31 is engaged; the other end of the link device 2 through the outer lever arm 22 the rod 126 is fixedly connected by a pin, mounting pin defines a hole 6 engaged with the upper arm 12.

[0028]弯曲体I还包括限位块13,限位块13位于转轴11 一侧,限位块13与销轴6对应设置,即限位块13对销轴6进行限位;限位块13有两块,分别与销轴6的上下两端相接触。 [0028] I further comprising a curved body stopper 13, stopper 13 is located a side of the rotary shaft 11, the stopper 13 corresponds to the pin 6 is provided, i.e. 13 pairs of stopper pin for the stopper 6; stopper 13 has two, upper and lower ends are in contact with the pin 6. 为了方便销轴6与限位块13相接触,在销轴6的两端分别依次套设有卡圈8和套圈9,当销轴6与限位块13接触时,限位块13将销轴6的两端进行限位,防止连杆装置2向外侧(即原理转轴11 一侧)运动,保证了连杆装置2正常推动转轴11转动。 In order to facilitate the pin 6 and the stopper 13 is contacted at both ends of the pin 6 are sequentially sleeved collar 8 and a ferrule 9, when the pin 6 in contact with the stopper 13, the stopper 13 both ends of the pin 6 will stop, preventing the link means 2 (i.e., the principles of the rotary shaft 11 side) movement to the outside, to ensure that the linkage means 11 to rotate the rotating shaft 2 driven normally.

[0029]为了方便弯曲体I中转轴11和限位块13的安装和固定,弯曲体I还包括壳体14和围板15,围板15套设在壳体14的外侧,转轴11套设在壳体14内,限位块13焊接固定在围板15上。 [0029] In order to facilitate bending of the body I and the rotary shaft 11 and the fixed installation, the curved stopper member 13 comprises a housing 14 and a further I cowl 15, the cowl 15 is sleeved outside of the housing 14, the rotary shaft 11 sleeved within the housing 14, the stopper 13 is welded and fixed on the dash panel 15.

[0030]本发明的液压无齿弯曲机构在工作时,液压缸3内的液压作用推动活塞杆31向外移动,活塞杆31开始推动外杆22,外杆22和内杆23—同移动,且外杆22和内杆23不弯曲;外杆22的另一端与臂杆12连接,外杆22通过臂杆12带动转轴11转动。 [0030] The hydraulic mechanism of the present invention, no gear in the bending operation, the hydraulic pressure in the push rod 31 of the hydraulic cylinder 3 moves outwardly, the piston rod 31 starts push the outer rod 22, the outer lever 22 moves with the 23- and inner rod, the inner and outer rod 22 and the rod 23 is not bent; the other end of the outer rod 22 is connected to arm 12, outer arm 12 through the lever 22 to drive shaft 11 to rotate. 随着转轴11的转动,外杆22和内杆23围绕转轴11的中心转动,外杆22和内杆23向倒角21—侧弯曲;同时,限位块13对销轴6进行限位,使得外杆22和内杆23只能向转轴11 一侧弯曲。 With the rotation of the spindle 11, the center of rotation of the spindle 11 within the outer rod 22 and lever 23 around the outer rod 22 and the rod 23 is bent toward the chamfered side 21; at the same time, the stopper pin 13 pairs of stopper 6, such that the outer and inner rod 23 are only bent lever 22 shaft 11 side. 活塞杆31的行程越大,外杆22和内杆23推动转轴11转动的角度越多,弯曲体I对待弯曲产品的弯曲角度就越大。 The larger the stroke of the piston rod 31, the outer rod 22 and push rod 23 within the angle of rotation of the shaft 11, the more the bending angle of the bending the bending member I treated product becomes. 当弯曲体I完成对产品的弯曲后,活塞杆31缩回,活塞杆31拉动连杆装置2,并带动转轴11反转,实现了弯曲功能。 After the bending the bending member is completed the product I, the piston rod 31 is retracted, the piston rod 31 pulls the link means 2, drive shaft 11 and reversed to achieve the bending functions.

[0031]以上所述的仅是本发明的优选实施方式,应当指出,对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。 [0031] The above embodiment is merely a preferred embodiment of the present invention, it should be noted that those of ordinary skill in the art, without departing from the concept of the present invention to create a premise, can make various changes and modifications, those fall within the protection scope of the present invention.

Claims (4)

1.液压无齿弯曲机构,其中,包括弯曲体(I)、连杆装置(2)和液压缸(3),所述液压缸(3)包括活塞杆(31),所述活塞杆(31)与连杆装置(2)的一端相连接,所述弯曲体(I)包括转轴(U),所述连杆装置(2)的另一端与转轴(11)相连接,所述连杆装置(2)内侧开设有倒角(21),所述活塞杆(31)的轴心线(311)位于连杆装置(2)的轴心线(24)的外侧,所述连杆装置⑵包括外杆(22)和内杆(23),所述外杆(22)位于内杆(23)两侧,所述外杆(22)与内杆(23)固定连接,所述外杆(22)包括第一杆(221)和第二杆(222),所述第一杆(221)和第二杆(222)对称位于内杆(23)的两侧,所述第一杆(221)和第二杆(222)均包括多个依次排列的第一连杆单元(4),所述内杆(23)包括多个依次排列的第二连杆单元(5),所述第二连杆单元(5)的轴向长度与第一连杆单元(4)的轴向长度相等,所述第二连杆单元(5)与第一连杆单元(4)交错设置,所 1. Hydraulic toothless bending mechanism, wherein the body comprises a curved (the I), the link means (2) and a hydraulic cylinder (3), the hydraulic cylinder (3) comprises a piston rod (31), said piston rod (31 one end) of the link means (2) is connected, said curved member (I) comprises a shaft (the U-), the link means (2) and the other end of the rotary shaft (11) connected to said linkage means (2) defines a chamfered inner side (21), said piston rod (31) of the axis (311) located in the connecting rod means (2) of the axis (24) of the outer side of the linkage means comprises ⑵ the outer rod (22) and an inner rod (23), the outer rod (22) is located within the lever (23) on both sides, the outer rod (22) and the inner rod (23) fixedly connected to the outer rod (22 ) comprises a first lever (221) and second rod (222), said first lever (221) and second rod (222) symmetrically located within the lever (23) on both sides, said first lever (221) and a second rod (222) comprises a first link unit (4), said inner rod (23) comprises a second link unit (5) a plurality of sequentially arranged in a plurality of sequentially arranged, said second connection equal to the axial length of the lever unit (5) and the first link means (4) of the axial length of the second link unit (5) and the first link unit (4) are staggered, the 述外杆(22)与内杆(23)通过销轴(6)相固定,任一所述第一连杆单元(4)和第二连杆单元(5)均设有两个与销轴(6)对应的通孔(7)。 Said outer rod (22) and the inner rod (23) by a pin (6) is fixed, any of the first link unit (4) and the second link unit (5) and provided with two pins the through hole (6) corresponding to (7).
2.根据权利要求1所述的液压无齿弯曲机构,其中,所述第一连杆单元(4)两端的内侧和第二连杆单元(5)的内侧均开设有倒角(21)。 2. Hydraulic according to claim 1 toothless bending mechanism, wherein the inside of the inner (4) at both ends of the first link and the second link unit means (5) are chamfered opening (21).
3.根据权利要求1或2所述的液压无齿弯曲机构,其中,所述弯曲体(I)还包括臂杆(12),所述臂杆(12)与转轴(11)固定连接,所述连杆装置(2)通过臂杆(12)与转轴(11)相连接。 3. The hydraulic claim 1 or claim 2 toothless bending mechanism, wherein the curved body (I) further comprises a lever arm (12), said arm (12) with the shaft (11) fixedly connected to the said link means (2) connected via a lever arm (12) with the shaft (11).
4.根据权利要求3所述的液压无齿弯曲机构,其中,所述弯曲体(I)还包括限位块(13),所述限位块(13)位于转轴(11) 一侧,所述限位块(13)与销轴(6)对应设置。 The hydraulic pressure of the bending means 3, the toothless claim, wherein the curved body (I) further comprises a stopper (13), said stop (13) located in the shaft (11) side of the block, the said stopper (13) to the pin (6) corresponding to the setting.
CN 201410443489 2014-09-02 2014-09-02 Hydraulic bending mechanism toothless CN104325045B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823749A (en) * 1972-04-12 1974-07-16 Evg Entwicklung Verwert Ges Bending machine for wire or strip
CN2620795Y (en) * 2003-01-28 2004-06-16 王存义 Push-and-pull chain
CN101027504A (en) * 2004-05-12 2007-08-29 Vkr控股公司 Push-pull chain and actuator
CN102284570A (en) * 2011-07-14 2011-12-21 张家港市明华机械制造有限公司 A single-cylinder small loop bending device
CN202571090U (en) * 2012-05-10 2012-12-05 许友富 Transmission mechanism of reinforced steel bar bending hoop device
CN103143643A (en) * 2013-03-13 2013-06-12 嵊州市宏佳机械有限公司 Pneumatic hoop bending device for steel bar hoop bending machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823749A (en) * 1972-04-12 1974-07-16 Evg Entwicklung Verwert Ges Bending machine for wire or strip
CN2620795Y (en) * 2003-01-28 2004-06-16 王存义 Push-and-pull chain
CN101027504A (en) * 2004-05-12 2007-08-29 Vkr控股公司 Push-pull chain and actuator
CN102284570A (en) * 2011-07-14 2011-12-21 张家港市明华机械制造有限公司 A single-cylinder small loop bending device
CN202571090U (en) * 2012-05-10 2012-12-05 许友富 Transmission mechanism of reinforced steel bar bending hoop device
CN103143643A (en) * 2013-03-13 2013-06-12 嵊州市宏佳机械有限公司 Pneumatic hoop bending device for steel bar hoop bending machine

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