CN103990666B - Multistation cold bend(ing) numerical control hydraulic bending machine - Google Patents
Multistation cold bend(ing) numerical control hydraulic bending machine Download PDFInfo
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- CN103990666B CN103990666B CN201410241635.0A CN201410241635A CN103990666B CN 103990666 B CN103990666 B CN 103990666B CN 201410241635 A CN201410241635 A CN 201410241635A CN 103990666 B CN103990666 B CN 103990666B
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Abstract
The invention provides a kind of multistation cold bend(ing) numerical control hydraulic bending machine, can be shaping to baroque bend pipe time processing, bending process precision is high; Crooked position distortion is even, structural strength is high.Comprise frame, also comprise positioning clamping device, also comprise oblique bending device and horizontal curvature device; Positioning clamping device comprises clamping cylinder, and one end of clamp arm is flexibly connected with the piston rod of clamping cylinder, the other end and the Workpiece clamping Block-matching that is arranged in frame; Oblique bending device comprises inclined thrust oil cylinder, also comprises oblique bending driving wheel; Frame is also provided with the bending die mated with positioning clamping device, oblique bending device; Horizontal curvature device comprises the horizontal thrust oil cylinder be arranged in frame, and also comprise the horizontal curvature driving wheel arranged through the activity of driving wheel guide holder, the piston rod of horizontal thrust oil cylinder is connected with horizontal curvature driving wheel; Fixed central spindle is provided with between horizontal thrust oil cylinder in frame and horizontal curvature driving wheel; Also comprise control appliance.
Description
Technical field
The present invention relates to auto parts and components process equipment, be specifically related to a kind of hydraulic pipe bender.
Background technology
Circular arc bend pipe is the important component part of auto parts and components, and general use steel pipe bends through bending machine to be made.Common bend pipe defect mainly contains following several form: circular arc place becomes that tube wall thickness outside flat serious (ellipse), circular arc is excessive, circular arc outward lateral bending split, wrinkling and bending springback etc. inside circular arc.Along with the difference of elbow radius, mode and the position of front four kinds of defects generation are different, and not necessarily occur simultaneously, and the elastic recoil of curved workpieces is inevitable.The existence of bend pipe defect can produce very large negative effect to the quality bending pipe fitting.Pipe thickness is thinning, must reduce the ability that pipe fitting bears interior pressure, affect its serviceability; The distortion of bending tubing section configuration, may cause area of section to reduce on the one hand, thus increases the resistance of fluid flowing, also affects pipe fitting functional effect in the structure on the other hand; Pipe material inner wall is wrinkling not only can weaken pipe strength, and easily causes flow media speed uneven, and produce eddy current and crooked position collect dirt, impact bends the normal use of pipe fitting; Rebound phenomenon must make the angle of bend of tubing be greater than predetermined angular, thus reduces bending process precision.
Summary of the invention
Technical problem solved by the invention is to provide a kind of multistation cold bend(ing) numerical control hydraulic bending machine, can be shaping to baroque bend pipe time processing, and bending process precision is high; Crooked position distortion is even, structural strength is high, good product quality.
For solving the problems of the technologies described above, multistation cold bend(ing) numerical control hydraulic bending machine of the present invention, comprises frame, also comprises positioning clamping device, also comprise oblique bending device and horizontal curvature device; Described positioning clamping device comprises clamping cylinder, also comprises the clamp arm be arranged on by bearing pin in frame; One end of described clamp arm is flexibly connected with the piston rod of clamping cylinder, the other end and the Workpiece clamping Block-matching that is arranged in frame; Described oblique bending device comprises inclined thrust oil cylinder, and also comprise the oblique bending driving wheel be movably set in through oriented device in frame, the piston rod of described inclined thrust oil cylinder is connected with oblique bending driving wheel; Described frame is also provided with the bending die mated with positioning clamping device, oblique bending device; Described horizontal curvature device comprises the horizontal thrust oil cylinder be arranged in frame, and also comprise the horizontal curvature driving wheel arranged through the activity of driving wheel guide holder, the piston rod of described horizontal thrust oil cylinder is connected with horizontal curvature driving wheel; Fixed central spindle is provided with between horizontal thrust oil cylinder in described frame and horizontal curvature driving wheel; Also comprise control appliance.
Be arranged in frame described oblique bending device tilt adjustable.
Spring is provided with between the free end of described clamp arm and frame.
After adopting technique scheme, workpiece is held between clamp arm and Workpiece clamping block, is coordinated, realize oblique bending by bending die with oblique bending driving wheel; Coordinated with horizontal curvature driving wheel by unsymmetrical bending driving wheel, realize horizontal curvature; In buckling work process, all slow, the homogeneous deformations under slave mode of excircle of workpiece and inner circle, thus improve bending precision, ensure that structural strength and product quality.Select suitable dimension bending die and after setting parameter, control system realize work continuously, the one-shot forming of labyrinth bend pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation of multistation cold bend(ing) numerical control hydraulic bending machine of the present invention;
Fig. 2 is the right side view of Fig. 1;
Fig. 3 is the structural representation of the oblique bending device section of multistation cold bend(ing) numerical control hydraulic bending machine of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
The basic functional principle of multistation cold bend(ing) numerical control hydraulic bending machine of the present invention applies moment of flexure by rational fulcrum and stress point thereof; Allow steel pipe generation plastic deformation and produce flexural deformation, thus realize the object of steel pipe cold bend(ing).
As shown in Figure 1, Figure 2, Fig. 3 is visible, and the present embodiment comprises frame 1, also comprises positioning clamping device, also comprises oblique bending device and horizontal curvature device.
Described positioning clamping device comprises clamping cylinder 2, also comprises the clamp arm 21 be arranged on by bearing pin in frame 1; One end of described clamp arm 21 is flexibly connected with the piston rod of clamping cylinder 2, the other end mates with the Workpiece clamping block 10 be arranged in frame 1.Clamp arm 21 is all set to semicircle with the cross section of clamp 10 joint portion, is convenient to hold steel pipe 5.Promote clamp arm 21 one end by clamping cylinder 2 and form leverage, ensure workpiece stability.Spring 13 is provided with, for straining location clamp arm 21 between the free end of described clamp arm 21 and frame 1.
Described oblique bending device comprises inclined thrust oil cylinder 3, and also comprise the oblique bending driving wheel 32 be movably set in through oriented device 31 in frame 1, the piston rod of described inclined thrust oil cylinder 3 is connected with oblique bending driving wheel 32; Described frame 1 is also provided with the bending die 11 mated with positioning clamping device, oblique bending device.
Be bent pipe to be fixed by positioning clamping device, change different bending dies 11 according to the size of the circular arc needing in drawing to bend, carry out gradient behind the inclination angle of adjustment constant tilt bending apparatus and bend.After oblique bending driving wheel 32 arrives assigned address, compress limit switch, horizontal curvature device is started working and is carried out horizontal curvature.
Described horizontal curvature device comprises the horizontal thrust oil cylinder 4 be arranged in frame 1, and also comprise the horizontal curvature driving wheel 42 arranged through driving wheel guide holder 41 activity, the piston rod of described horizontal thrust oil cylinder 4 is connected with horizontal curvature driving wheel 42; Be provided with fixed central spindle 12 between horizontal thrust oil cylinder 4 in described frame 1 and horizontal curvature driving wheel 42, this fixed central spindle 12 can be spacing to horizontal curvature driving wheel 42.
As shown in Figure 2, described oblique bending driving wheel 32, horizontal curvature driving wheel 42 surface are provided with groove, are convenient to bend steel pipe 5.
As shown in Figure 3, be arranged in frame 1 described oblique bending device tilt adjustable.Angle of inclination A, between ± 45 °, its objective is the steel pipe being convenient to bending different size.
Through the steel pipe 5 of oblique bending, under bending die 11, oblique bending driving wheel 32 limit, provide power by horizontal curvature driving wheel 42, make it to realize horizontal curvature.
In horizontal curvature process, fixed central spindle 12 and bending die 11 form upper limit position block, and driving wheel guide holder 41 is lower position blocks, prevent the outer lateral bending of the circular arc in BENDING PROCESS from splitting the twisted phenomenon with flexure plane.
In the course of work, by control appliance, inclined thrust oil cylinder 3, horizontal thrust oil cylinder 4 are coordinated.
Claims (3)
1. a multistation cold bend(ing) numerical control hydraulic bending machine, comprises frame (1), also comprises positioning clamping device, it is characterized in that: also comprise oblique bending device and horizontal curvature device; Described positioning clamping device comprises clamping cylinder (2), also comprises the clamp arm (21) be arranged on by bearing pin in frame (1); One end of described clamp arm (21) is flexibly connected with the piston rod of clamping cylinder (2), the other end mates with the Workpiece clamping block (10) be arranged in frame (1); Described oblique bending device comprises inclined thrust oil cylinder (3), also comprise the oblique bending driving wheel (32) be movably set in through oriented device (31) in frame (1), the piston rod of described inclined thrust oil cylinder (3) is connected with oblique bending driving wheel (32); Described frame (1) is also provided with the bending die (11) mated with positioning clamping device, oblique bending device; Described horizontal curvature device comprises the horizontal thrust oil cylinder (4) be arranged in frame (1), also comprise the horizontal curvature driving wheel (42) arranged through driving wheel guide holder (41) activity, the piston rod of described horizontal thrust oil cylinder (4) is connected with horizontal curvature driving wheel (42); Fixed central spindle (12) is provided with between horizontal thrust oil cylinder (4) in described frame (1) and horizontal curvature driving wheel (42); Also comprise control appliance.
2. multistation cold bend(ing) numerical control hydraulic bending machine as claimed in claim 1, is characterized in that: be arranged in frame (1) described oblique bending device tilt adjustable.
3. multistation cold bend(ing) numerical control hydraulic bending machine as claimed in claim 1, is characterized in that: be provided with spring (13) between the free end of described clamp arm (21) and frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241635.0A CN103990666B (en) | 2014-06-03 | 2014-06-03 | Multistation cold bend(ing) numerical control hydraulic bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241635.0A CN103990666B (en) | 2014-06-03 | 2014-06-03 | Multistation cold bend(ing) numerical control hydraulic bending machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103990666A CN103990666A (en) | 2014-08-20 |
| CN103990666B true CN103990666B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410241635.0A Active CN103990666B (en) | 2014-06-03 | 2014-06-03 | Multistation cold bend(ing) numerical control hydraulic bending machine |
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| SU1454542A1 (en) * | 1987-07-09 | 1989-01-30 | Специальное Конструкторское Бюро Треста Ленинградоргстрой Главленинградстроя | Arrangement for bending pipes |
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| JP2741229B2 (en) * | 1988-12-29 | 1998-04-15 | 臼井国際産業株式会社 | Bending equipment for small diameter metal pipes |
| JPH05212453A (en) * | 1992-02-07 | 1993-08-24 | Asai Kosan Kk | Device for bending long size member with asymmetrical cross-sectional shape |
| JPH08164422A (en) * | 1994-12-13 | 1996-06-25 | Murata Mach Ltd | Bending machine |
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| SU1454542A1 (en) * | 1987-07-09 | 1989-01-30 | Специальное Конструкторское Бюро Треста Ленинградоргстрой Главленинградстроя | Arrangement for bending pipes |
| CN2203196Y (en) * | 1994-07-22 | 1995-07-12 | 宋瑞杰 | Metal pipe bender |
| DE19839544B4 (en) * | 1998-08-31 | 2005-03-10 | Bayer Isolierglasfab Kg | Device for bending an arc on a spacer profile for insulating glass panes |
| CN100551674C (en) * | 2004-10-20 | 2009-10-21 | 株式会社早川制作所 | Employed three-dimensional bending mould in the high speed bending method of resin tube and this method |
| CN2923092Y (en) * | 2006-06-23 | 2007-07-18 | 庄添财 | Bent pipe arc-punching machine |
| CN201249224Y (en) * | 2008-01-30 | 2009-06-03 | 焦作市扬程矿山设备厂 | Mine-used U-form steel support rolling forming repair machine |
| CN101879542A (en) * | 2009-05-06 | 2010-11-10 | Cml国际有限公司 | A kind of machine with predetermined radii continuous bend farm labourer part |
| CN201470729U (en) * | 2009-08-26 | 2010-05-19 | 厦门市易洁卫浴有限公司 | Pipe bender capable of realizing continuously bending two arcs |
| JP2013027880A (en) * | 2011-07-26 | 2013-02-07 | Nippon Light Metal Co Ltd | Apparatus and method for bending hollow shape |
| CN202367020U (en) * | 2011-11-24 | 2012-08-08 | 天津华能能源设备有限公司 | Short and strength section bending device of thin walled tube |
| CN202741518U (en) * | 2012-09-14 | 2013-02-20 | 太原泰立机电新技术有限公司 | Pipe bending and forming device |
| CN203018512U (en) * | 2013-01-16 | 2013-06-26 | 梁山县杨嘉挂车制造有限公司 | Pipe bending equipment |
| CN203124505U (en) * | 2013-02-26 | 2013-08-14 | 昆山市天之衣精工机械设备有限公司 | Pipe-bending machine |
| CN203292247U (en) * | 2013-06-06 | 2013-11-20 | 甘肃蓝科石化高新装备股份有限公司 | Full-automatic die-free pipe bending machine |
| CN203862777U (en) * | 2014-06-03 | 2014-10-08 | 安庆市汇通汽车部件有限公司 | Multi-station cold bending numeral control hydraulic pipe bender |
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|---|---|
| CN103990666A (en) | 2014-08-20 |
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Address after: 231400 Tongxiang Road, Tongcheng economic and Technological Development Zone, Anqing City, Anhui Province (anqing Huitong Auto Parts Co., Ltd.) Patentee after: Anqing Huitong Auto Parts Co., Ltd Address before: 231400, Anhui Tongcheng economic and Technological Development Zone, Anqing Xiang Road Patentee before: Anqing Correspondent automobile component Co., Ltd |