CN203862777U - Multi-station cold bending numeral control hydraulic pipe bender - Google Patents

Multi-station cold bending numeral control hydraulic pipe bender Download PDF

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Publication number
CN203862777U
CN203862777U CN201420289988.3U CN201420289988U CN203862777U CN 203862777 U CN203862777 U CN 203862777U CN 201420289988 U CN201420289988 U CN 201420289988U CN 203862777 U CN203862777 U CN 203862777U
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CN
China
Prior art keywords
bending
driving wheel
frame
horizontal
clamping
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420289988.3U
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Chinese (zh)
Inventor
徐应权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anqing Correspondent Automobile Component Co Ltd
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Anqing Correspondent Automobile Component Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201420289988.3U priority Critical patent/CN203862777U/en
Application granted granted Critical
Publication of CN203862777U publication Critical patent/CN203862777U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a multi-station cold bending numeral control hydraulic pipe bender. By the adoption of the pipe bender, a pipe with a complicated structure can be bent in a one-shot mode, the precision of the bending technology is high, and the bent portion is even in deformation and high in structural strength. The pipe bender comprises a machine frame, a positioning and clamping device, an obliquely bending device and a horizontally bending device, wherein the positioning and clamping device comprises a clamping oil cylinder, one end of a clamping arm is movably connected with a piston rod of the clamping oil cylinder, and the other end of the clamping arm is matched with a workpiece clamping block arranged on the machine frame; the obliquely bending device comprises an oblique thrust oil cylinder and an oblique bending driving wheel; a bending die matched with the positioning and clamping device and the obliquely bending device is further arranged on the machine frame; the horizontally bending device comprises a horizontal thrush oil cylinder arranged on the machine frame and a horizontal bending driving wheel arranged movably through a driving wheel guiding base, a piston rod of the horizontal thrush oil cylinder is connected with the horizontal bending driving wheel, and a fixed central spindle is arranged between the horizontal thrush oil cylinder on the machine frame and the horizontal bending driving wheel. The pipe bender further comprises a control device.

Description

Multistation cold bend(ing) numerical control hydraulic bending machine
Technical field
The utility model relates to auto parts and components process equipment, is 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, generally uses steel pipe to make through bending machine bending.Common bend pipe defect mainly contains following several form: circular arc place becomes that tube wall thickness is excessive outside flat serious (ellipse), circular arc, the outer lateral bending of circular arc splits, wrinkling and bending springback etc. inside circular arc.Along with the difference of elbow radius, mode and position that front four kinds of defects produce 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 that bends pipe fitting.Pipe thickness attenuation, must reduce pipe fitting and bear the ability of interior pressure, affects its serviceability; The distortion of bending tubing section configuration, may cause that area of section reduces on the one hand, thereby increases the mobile resistance of fluid, also affects on the other hand the functional effect of pipe fitting in structure; Pipe material inner wall is wrinkling not only can weaken pipe intensity, and easily causes flow media speed inequality, produces eddy current and crooked position and gathers dirt, and impact bends the normal use of pipe fitting; Rebound phenomenon must make the angle of bend of tubing be greater than predetermined angular, thereby reduces bending process precision.
Summary of the invention
The technical problem that the utility model solves is to provide a kind of multistation cold bend(ing) numerical control hydraulic bending machine, can be to the moulding of 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 utility model, comprises frame, also comprises positioning clamping device, also comprises oblique bending device and horizontal curvature device; Described positioning clamping device comprises clamping cylinder, also comprises by bearing pin and is arranged on the clamp arm in frame; One end of described clamp arm is flexibly connected with the piston rod of clamping cylinder, the other end mates with the Workpiece clamping piece being arranged in frame; Described oblique bending device comprises inclination push action cylinder, also comprises through oriented device and is movably set in the oblique bending driving wheel in frame, and the piston rod of described inclination push action cylinder is connected with oblique bending driving wheel; In described frame, be also provided with the bending die mating with positioning clamping device, oblique bending device; Described horizontal curvature device comprises the horizontal thrust oil cylinder being arranged in frame, also comprises that the piston rod of described horizontal thrust oil cylinder is connected with horizontal curvature driving wheel through the movable horizontal curvature driving wheel arranging of driving wheel guide holder; Between horizontal thrust oil cylinder in described frame and horizontal curvature driving wheel, be provided with fixed central spindle; Also comprise control appliance.
Described oblique bending device angle of inclination is arranged in frame adjustablely.
Between the free end of described clamp arm and frame, be provided with spring.
Adopt after technique scheme, workpiece is held between clamp arm and Workpiece clamping piece by handle, is coordinated with oblique bending driving wheel by bending die, realizes oblique bending; 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 structural strength and product quality.Select the bending die of suitable dimension and set after parameter, control system realizes and working continuously, the one-shot forming of labyrinth bend pipe.
Brief description of the drawings
Fig. 1 is the structural representation of multistation cold bend(ing) numerical control hydraulic bending machine of the present utility model;
Fig. 2 is the right side view of Fig. 1;
Fig. 3 is the structural representation of the oblique bending device part of multistation cold bend(ing) numerical control hydraulic bending machine of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
The basic functional principle of multistation cold bend(ing) numerical control hydraulic bending machine of the present utility model is to apply moment of flexure by rational fulcrum and stress point thereof; Allow steel pipe generation plastic deformation and produce flexural deformation, thereby realize the object of steel pipe cold bend(ing).
As shown in Figure 1, Figure 2, Fig. 3 is visible, 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 by bearing pin and is arranged on the clamp arm 21 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 piece 10 being arranged in frame 1.Clamp arm 21 is all set to semicircle with the cross section of clamp 10 joint portions, is convenient to hold steel pipe 5.Promote clamp arm 21 one end by clamping cylinder 2 and form leverage, ensure workpiece stability.Between the free end of described clamp arm 21 and frame 1, be provided with spring 13, for straining location clamp arm 21.
Described oblique bending device comprises inclination push action cylinder 3, also comprises through oriented device 31 and is movably set in the oblique bending driving wheel 32 in frame 1, and the piston rod of described inclination push action cylinder 3 is connected with oblique bending driving wheel 32; In described frame 1, be also provided with the bending die 11 mating with positioning clamping device, oblique bending device.
Be bent pipe and fix by positioning clamping device, change different bending die 11 according to the size that needs bending circular arc in drawing, behind the inclination angle of adjustment constant tilt bending apparatus, carry out gradient bending.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 being arranged in frame 1, also comprises that the piston rod of described horizontal thrust oil cylinder 4 is connected with horizontal curvature driving wheel 42 through the movable horizontal curvature driving wheel 42 arranging of driving wheel guide holder 41; Between horizontal thrust oil cylinder 4 in described frame 1 and horizontal curvature driving wheel 42, be provided with fixed central spindle 12, 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 surfaces are provided with groove, are convenient to steel pipe 5 to carry out bending.
As shown in Figure 3, described oblique bending device angle of inclination is arranged in frame 1 adjustablely.Angle of inclination A, between ± 45 °, its objective is the steel pipe of being convenient to bending different size.
Through the steel pipe 5 of oblique bending, under bending die 11,32 restrictions of oblique bending driving wheel, 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 that the outer lateral bending of circular arc in BENDING PROCESS from splitting and the twisted phenomenon of flexure plane.
In the course of work, by control appliance, inclination push action 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 by bearing pin and is arranged on the clamp arm (21) 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 piece (10) being arranged in frame (1); Described oblique bending device comprises inclination push action cylinder (3), also comprise through oriented device (31) and be movably set in the oblique bending driving wheel (32) in frame (1), the piston rod of described inclination push action cylinder (3) is connected with oblique bending driving wheel (32); In described frame (1), be also provided with the bending die (11) mating with positioning clamping device, oblique bending device; Described horizontal curvature device comprises the horizontal thrust oil cylinder (4) being arranged in frame (1), also comprise that the piston rod of described horizontal thrust oil cylinder (4) is connected with horizontal curvature driving wheel (42) through the movable horizontal curvature driving wheel (42) arranging of driving wheel guide holder (41); Between horizontal thrust oil cylinder (4) in described frame (1) and horizontal curvature driving wheel (42), be provided with fixed central spindle (12); Also comprise control appliance.
2. multistation cold bend(ing) numerical control hydraulic bending machine as claimed in claim 1, is characterized in that: described oblique bending device angle of inclination is arranged in frame (1) adjustablely.
3. multistation cold bend(ing) numerical control hydraulic bending machine as claimed in claim 1, is characterized in that: between the free end of described clamp arm (21) and frame (1), be provided with spring (13).
CN201420289988.3U 2014-06-03 2014-06-03 Multi-station cold bending numeral control hydraulic pipe bender Withdrawn - After Issue CN203862777U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420289988.3U CN203862777U (en) 2014-06-03 2014-06-03 Multi-station cold bending numeral control hydraulic pipe bender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420289988.3U CN203862777U (en) 2014-06-03 2014-06-03 Multi-station cold bending numeral control hydraulic pipe bender

Publications (1)

Publication Number Publication Date
CN203862777U true CN203862777U (en) 2014-10-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420289988.3U Withdrawn - After Issue CN203862777U (en) 2014-06-03 2014-06-03 Multi-station cold bending numeral control hydraulic pipe bender

Country Status (1)

Country Link
CN (1) CN203862777U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103990666A (en) * 2014-06-03 2014-08-20 安庆市汇通汽车部件有限公司 Multi-station cold bending numerical-control hydraulic pipe bender
CN104826899A (en) * 2015-04-30 2015-08-12 黄伟明 Left and right elbow bending mechanism for pipeline
CN105964746A (en) * 2016-06-04 2016-09-28 吴江市三达五金工具厂 Manual hydraulic pipe bender

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103990666A (en) * 2014-06-03 2014-08-20 安庆市汇通汽车部件有限公司 Multi-station cold bending numerical-control hydraulic pipe bender
CN103990666B (en) * 2014-06-03 2016-04-20 安庆市汇通汽车部件有限公司 Multistation cold bend(ing) numerical control hydraulic bending machine
CN104826899A (en) * 2015-04-30 2015-08-12 黄伟明 Left and right elbow bending mechanism for pipeline
CN104826899B (en) * 2015-04-30 2017-03-22 佛山市天箭机械设备有限公司 Left and right elbow bending mechanism for pipeline
CN105964746A (en) * 2016-06-04 2016-09-28 吴江市三达五金工具厂 Manual hydraulic pipe bender

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20141008

Effective date of abandoning: 20160420

C25 Abandonment of patent right or utility model to avoid double patenting