CN104492884A - Pipe bending device - Google Patents

Pipe bending device Download PDF

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Publication number
CN104492884A
CN104492884A CN201410712517.3A CN201410712517A CN104492884A CN 104492884 A CN104492884 A CN 104492884A CN 201410712517 A CN201410712517 A CN 201410712517A CN 104492884 A CN104492884 A CN 104492884A
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CN
China
Prior art keywords
bending
patrix
tubing
strip
slot
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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.)
Granted
Application number
CN201410712517.3A
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Chinese (zh)
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CN104492884B (en
Inventor
曹志刚
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.)
Wuhu Yinxing Auto Parts Co Ltd
Original Assignee
Wuhu Yinxing Auto Parts 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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Publication date
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Priority to CN201410712517.3A priority Critical patent/CN104492884B/en
Publication of CN104492884A publication Critical patent/CN104492884A/en
Application granted granted Critical
Publication of CN104492884B publication Critical patent/CN104492884B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/08Bending rods, profiles, or tubes by passing between rollers or through a curved die
    • B21D7/085Bending rods, profiles, or tubes by passing between rollers or through a curved die by passing through a curved die
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/16Auxiliary equipment, e.g. for heating or cooling of bends

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention relates to a pipe bending device which comprises an upper die and a lower die, wherein an upper bending groove is formed in the lower end surface of the upper die; an upper containing groove is formed in the middle of the lower end surface of the upper die; the strip-shaped containing groove is formed in the middle of the lower end surface of the upper die, end plates are arranged on the front end surface and the rear end surface of the upper die, strip-shaped through holes are formed in the end plates, bending oil cylinders are connected to the outer side surfaces of the end plates in a hinged way, a pressing column is arranged in the strip-shaped through holes in a penetrating way, the two ends of the pressing column are respectively and correspondingly penetrate through the two end plates and are fixed at the lower ends of shafts of the bending oil cylinders, bending pressure wheels are arranged in the middle of the pressing columns in a sleeving way, a lower bending groove is formed in the middle of the upper end surface of the lower die, a lower containing groove is also formed in the middle of the upper end surface of the lower die, a jacking oil cylinder is arranged in the lower containing groove, and a positioning core block is fixed at the upper end of the jacking oil cylinder. The pipe bending device has the benefits that a pipe can be further bent into a shape which can be bent through two steps or multiple steps by adopting existing equipment, the degree of automation of the pipe bending device is improved, the bending equipment is saved, and the bending cost is reduced.

Description

A kind of tubing bending device
Technical field
The present invention relates to tubular object extruding equipment technical field, specifically a kind of tubing bending device.
Background technology
Answer the requirement of different service condition, tubing is often bent to coiled pipe or plate-like, in prior art, the device of bending tubing is divided into manually and semi-automatic two kinds, manual tubing apparatus for bending is general as pipe bender and so on, the Chinese patent being ZL201320752571 as application number discloses a kind of copper pipe pipe bender, it comprises the clamping be located on board and twists bending apparatus, described clamping is twisted bending apparatus and is comprised and lean part by what lean that screw bolt and nut forms, the left holder of copper pipe, comer pieces is twisted in right clamping, cylinder table, rotational sleeve, push arm and copper pipe fixed bar, nut and cylinder table are parallel is respectively fixed on both sides on board, lean bolt through nut, its termination leans on the left holder of copper pipe, right clamping is twisted comer pieces and is fixedly connected on cylinder table top, rotational sleeve movable set is in cylinder table bottom, push arm one end is fixed on rotational sleeve, copper pipe fixed bar in parallel is connected above the push arm other end.Treat that stubborn curved copper pipe one end is shelved on the left holder of copper pipe and right clamping and twists comer pieces and close to join and formed in centre bore, screw and lean bolt and withstand the left holder of copper pipe and grip, the copper pipe other end is enclosed within copper pipe fixed bar, pull push arm, the depression cambered surface that copper pipe twists comer pieces around right clamping bends, and twists and curves suitable camber.
But manual pipe bender adopts artificial bending, and efficiency is low, and labour intensity is large, be unsuitable for producing bending in enormous quantities and use.
Application number is that the Chinese patent of ZL2012103167568 discloses a kind of anti-bounce-back bending die, this anti-bounce-back bending die comprises upper die and lower die, be connected by guide pillar guide pin bushing between patrix with counterdie, patrix comprises cope match-plate pattern, cope match-plate pattern is provided with upper male mould by top board, upper male mould is provided with the upper groove for clamping tubing, counterdie comprises lower bolster, lower bolster is provided with lower cavity die by lower platen, described lower cavity die is provided with low groove, the side of patrix is provided with push rod, the end of push rod is hinged with the reeded roller of band, it is protruding that upper groove and the low groove place of cooperatively interacting are provided with the circular arc contrary with bend pipe direction.
But, the bending function of described anti-bounce-back bending die is single, only lay particular emphasis on anti-bounce-back, the bending automaticity of tubing can not be improved, tubing can not be made completely shaping, still need lower a kind of bar folder again to bend tubing, waste the production time, reduce production efficiency, and each bender side all still needs personnel to carry out guarding and place, tubing of taking, and wastes human resources.
Summary of the invention
Being difficult to be difficult in a Bending Processing technical problem of bending forming in order to solve tubing, the invention provides a kind of tubing bending device.
The present invention solves its technical problem and realizes by the following technical solutions:
A kind of tubing bending device, comprise upper die and lower die, described patrix lower surface is raise gradually from right to left stepped, described counterdie upper surface is the stepped of raising gradually from left to right of coordinating with patrix lower surface, the cross section that described patrix lower surface is provided with the horizontally set of through patrix lower surface is the semicircular upper bending groove for being bent by tubing from top, patrix is provided with accommodating groove in the middle part of lower surface, the bar shaped accommodating groove of the longitudinal direction of through patrix lower surface is provided with in the middle part of patrix lower surface, the upper activity mat board slot of rectangle is provided with on the right side of patrix lower surface, activity mat grillage is provided with in described upper activity mat board slot, described upper activity mat grillage comprises lead, described lead upper end is connected with through patrix the end block preventing lead from deviating from patrix, the part cover that lead is positioned at below patrix has stage clip, lead lower end is fixed with top board, the lower surface of described top board is provided with the upper slot to make way of the accommodation tubing of arc, the front end face of described patrix, rear end face is equipped with end plate, described end plate is equipped with strip through-hole, end plate lateral surface is all connected with bending oil cylinder by hinged mode, all compression leg is connected with in described strip through-hole, the corresponding lower end being fixed on the axle of bending oil cylinder through two end plates respectively, two ends of described compression leg, the middle part cover of compression leg has the bending pinch roller can taken in accommodating groove, when described compression leg moves from top to bottom in strip through-hole, described bending pinch roller also moves along the track of strip through-hole, the lower bending groove for holding tubing with upper bending slot fit is provided with in the middle part of described counterdie upper surface, lower accommodating groove is also provided with in the middle part of counterdie upper surface, lower activity mat board slot is provided with on the left of counterdie upper surface, the lower activity mat grillage identical with upper movable pad shelf structure is provided with in described lower activity mat board slot, described lower activity mat grillage comprises the lower platen that upper surface is provided with lower slot to make way, stretch oil cylinder is provided with in described lower accommodating groove, the upper end of described stretch oil cylinder is fixed with for fixing tubing, be convenient to tubing bending forming and the location pellet in lower accommodating groove can be taken in.
The extension track of described upper slot to make way, lower slot to make way respectively corresponding with the part of upper bending groove lowest part, the partially overlapping of lower bending groove highest point, when ensureing tubing to be placed on lower bending groove and lower slot to make way, tubing is in level, and can ensure that slot to make way and upper bending groove are pressed on tubing simultaneously, avoiding tubing to tilt when upper die and lower die inner bending, being conducive to reducing tubing when bending because each several part is all in different level the probability of happening causing tubing tensile phenomenon simultaneously.
Described strip through-hole top is linear, and strip through-hole bottom is circular arc, and the strip through-hole part overlapping with patrix coincides with the shape of cross section of bar shaped accommodating groove, so that compression leg can be moved upward in bar shaped accommodating groove in strip through-hole.
The left end of described location pellet is circular arc, location pellet is provided with the concave arc arranged along location pellet left end circumference, the projection of left end on end plate of location pellet is overlapping with the circular arc track of strip through-hole bottom, the side of described bending pinch roller is provided with No. two concave arcs, described location pellet with bending pinch roller with the use of, jointly tubing is clipped in a concave arc and No. two concave arcs, when bending pinch roller under the control of moving compression leg along strip through-hole in time locating pellet rolling compaction tubing, tubing will along No. two concave arc bending formings.
The invention has the beneficial effects as follows: present invention achieves and tubing is bent into given shape according to the shape of the upper bending groove preset in upper die and lower die and lower bending groove by tubing, compared with manual pipe bender, punching press bending is carried out owing to have employed mould, substantially increase bending efficiency, reduce labour intensity, save human cost, compared with Snake-Shaped Tube Bending Machine structure, owing to being provided with mechanism tubing entirety being bent certain angle being positioned at bending device inside, a step can be bent into the shape adopting existing equipment to need two steps or multistep just can be bent into by tubing, improve the automaticity of tubing bending device, save bending device, reduce bending cost, because upper bending groove and lower bending groove only play the effect holding tubing, and do not have decisive influence to the roughness of tubing, the precision more than bending groove and lower bending groove need not be too high, to reduce device fabrication cost further, so multipair upper bending groove for bending tubing and lower bending groove also can be arranged in bending device, and increase the quantity of bending pinch roller and location pellet simultaneously, thus improve the bending efficiency of tubing further.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the end plate of removing side of the present invention and the front left side three-dimensional view bent after oil cylinder;
Fig. 3 is the end plate of removing side of the present invention and the forward right side upward view bent after oil cylinder;
Fig. 4 is the end plate of removing side of the present invention and the front view bent after oil cylinder;
Fig. 5 is the end plate of removing side of the present invention and the left view bent after oil cylinder;
Fig. 6 is the three-dimensional view of location of the present invention pellet;
Fig. 7 is the three-dimensional view of patrix of the present invention;
Fig. 8 is the three-dimensional view of counterdie of the present invention;
Fig. 9 is the bending state figure of tubing of the present invention when upper die and lower die compress completely;
Figure 10 is the state diagram that one end of tubing of the present invention bends after 180 °.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figures 1 to 10, a kind of tubing bending device, comprise patrix 1 and counterdie 2, described patrix 1 lower surface is raise gradually from right to left stepped, described counterdie 2 upper surface is the stepped of raising gradually from left to right of coordinating with patrix 1 lower surface, see Fig. 7, Fig. 8, the cross section that described patrix 1 lower surface is provided with the horizontally set of through patrix 1 lower surface is the semicircular upper bending groove 3 for being bent by tubing 26 from top, patrix 1 is provided with accommodating groove 4 in the middle part of lower surface, the bar shaped accommodating groove 5 of the longitudinal direction of through patrix 1 lower surface is provided with in the middle part of patrix 1 lower surface, the upper activity mat board slot 7 of rectangle is provided with on the right side of patrix 1 lower surface, activity mat grillage 8 is provided with in described upper activity mat board slot 7.
As shown in Figure 3, described upper activity mat grillage 8 comprises lead 9, described lead 9 upper end is connected with through patrix 1 end block 10 preventing lead 9 from deviating from patrix 1, the part cover that lead 9 is positioned at below patrix 1 has stage clip 11, lead 9 lower end is fixed with top board 12, and the lower surface of described top board 12 is provided with the upper slot to make way 13 of the accommodation tubing 26 of arc.
As shown in Figure 1, the front end face of described patrix 1, rear end face is equipped with end plate 14, described end plate 14 is equipped with strip through-hole 15, end plate 14 lateral surface is all connected with bending oil cylinder 16 by hinged mode, described strip through-hole 15 top is linear, strip through-hole 15 bottom is circular arc, strip through-hole 15 part overlapping with patrix 1 coincides with the shape of cross section of bar shaped accommodating groove 5, compression leg 17 is all connected with in strip through-hole 15, compression leg 17 can be moved upward in bar shaped accommodating groove 5 in strip through-hole 15, the corresponding lower end being fixed on the axle of bending oil cylinder 16 through two end plates 14 respectively, two ends of described compression leg 17, the middle part cover of compression leg 17 has bending pinch roller 18, when described compression leg 17 moves from top to bottom in strip through-hole 15, described bending pinch roller 18 also moves along the track of strip through-hole 15.
The lower bending groove 19 for holding tubing 26 coordinated with upper bending groove 3 is provided with in the middle part of described counterdie 2 upper surface, see Fig. 8, lower accommodating groove 20 is also provided with in the middle part of counterdie 2 upper surface, be provided with lower activity mat board slot 22 on the left of counterdie 2 upper surface, in described lower activity mat board slot 22, be provided with the lower activity mat grillage 23 identical with upper activity mat grillage 8 structure.
Described lower activity mat grillage 23 comprises the lower platen 25 that upper surface is provided with lower slot to make way 24, described upper slot to make way 13, the extension track difference correspondence of lower slot to make way 24 and the part of upper bending groove 3 lowest part, partially overlapping of lower bending groove 19 highest point, when ensureing tubing 26 to be placed on lower bending groove 19 and lower slot to make way 24, tubing 26 is in level, and can ensure that slot to make way 13 and upper bending groove 3 are pressed on tubing 26 simultaneously, tubing 26 is avoided to tilt when patrix 1 and counterdie 2 inner bending, be conducive to avoiding tubing 26 to cause tubing 26 tensile phenomenon when bending because each several part is all in different level simultaneously.
As shown in Figure 2 and Figure 4, stretch oil cylinder 27 is provided with in described lower accommodating groove 20, the upper end of described stretch oil cylinder 27 is fixed with for fixing tubing 26, be convenient to the location pellet 28 of tubing 26 bending forming, the left end of described location pellet 28 is circular arc, location pellet 28 is provided with the concave arc 21 arranged along location pellet 28 left end circumference, the projection of left end on end plate 14 of location pellet 28 is overlapping with the circular arc track of strip through-hole 15 bottom, the side of described bending pinch roller 18 is provided with No. two concave arcs 6, described location pellet 28 and bending pinch roller 18 with the use of, jointly tubing 26 is clipped in a concave arc 21 and No. two concave arcs 6, when bend pinch roller 18 under the control of moving compression leg 17 along strip through-hole 15 around location pellet 28 rolling compaction tubing 26 time, tubing 26 will along No. two concave arc 6 bending formings.
Because the projection of left end on end plate 14 of described location pellet 28 is overlapping with the circular arc track of strip through-hole 15 bottom, so when bending the circular arc track of pinch roller 18 along strip through-hole 15 bottom and moving, the radiused edges of location pellet 28 left end walked around just by bending pinch roller 18, when being arranged with tubing 26 in the pellet 28 of location, described bending pinch roller 18 by the track bending of tubing 26 along location pellet 28 left end, thus can be able to realize the object of tubing 26 entirety bending certain angle.
The process of tubing in described upper die and lower die is: be first placed in lower bending groove by the right part of tubing suitable for length, the left part of tubing is placed in lower slot to make way, due to the extension track of lower slot to make way and the part of lower bending groove highest point, so tubing laying state is level, patrix is pressed in downwards on tubing under the promotion of external drive unit afterwards, after bending pipes, patrix rises and resets, treat that the distance that patrix rises to top board and upper intermode no longer changes, also when namely spring no longer extends, stretch oil cylinder promotes location pellet and follows patrix by tubing upwards jack-up, then bend oil cylinder and promote compression leg downwards simultaneously, described compression leg moves down along strip through-hole under the position-limiting action of strip through-hole, tubing bends along the radiused edges of location pellet left end by described bending pinch roller, bending pinch roller moves to immediately below the pellet of location by locating directly over pellet, tubing is bent 180 °, the two ends of tubing are made to be positioned at the same side, bend to not hinder tubing, described stretch oil cylinder carries out one-sided support to location pellet, in the process, tubing does not depart from bending groove and upper slot to make way, ensure that tubing has support as much as possible, the tubing when bending pinch roller bending tubing is avoided to deviate from from location pellet.The overall bending angle of tubing is determined according to the track of roll-in farthest of bending pinch roller on the pellet of location.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (4)

1. a tubing bending device, comprise upper die and lower die, described patrix lower surface is raise gradually from right to left stepped, described counterdie upper surface is the stepped of raising gradually from left to right of coordinating with patrix lower surface, it is characterized in that: the cross section that described patrix lower surface is provided with the horizontally set of through patrix lower surface is semicircular upper bending groove, patrix is provided with accommodating groove in the middle part of lower surface, the bar shaped accommodating groove of the longitudinal direction of through patrix lower surface is provided with in the middle part of patrix lower surface, the upper activity mat board slot of rectangle is provided with on the right side of patrix lower surface, activity mat grillage is provided with in described upper activity mat board slot, described upper activity mat grillage comprises lead, described lead upper end is connected with end block through patrix, the part cover that lead is positioned at below patrix has stage clip, lead lower end is fixed with top board, the lower surface of described top board is provided with the upper slot to make way of arc, the front end face of described patrix, rear end face is equipped with end plate, described end plate is equipped with strip through-hole, end plate lateral surface is all connected with bending oil cylinder by hinged mode, all compression leg is connected with in described strip through-hole, the corresponding lower end being fixed on the axle of bending oil cylinder through two end plates respectively, two ends of described compression leg, the middle part cover of compression leg has bending pinch roller, the lower bending groove with upper bending slot fit is provided with in the middle part of described counterdie upper surface, lower accommodating groove is also provided with in the middle part of counterdie upper surface, lower activity mat board slot is provided with on the left of counterdie upper surface, the lower activity mat grillage identical with upper movable pad shelf structure is provided with in described lower activity mat board slot, described lower activity mat grillage comprises the lower platen that upper surface is provided with lower slot to make way, stretch oil cylinder is provided with in described lower accommodating groove, the upper end of described stretch oil cylinder is fixed with location pellet.
2. a kind of tubing bending device according to claim 1, is characterized in that: the extension track of described upper slot to make way, lower slot to make way respectively corresponding with the part of upper bending groove lowest part, the partially overlapping of lower bending groove highest point.
3. a kind of tubing bending device according to claim 1, it is characterized in that: described strip through-hole top is linear, strip through-hole bottom is circular arc, and the strip through-hole part overlapping with patrix coincides with the shape of cross section of bar shaped accommodating groove.
4. a kind of tubing bending device according to claim 3, it is characterized in that: the left end of described location pellet is circular arc, location pellet is provided with the concave arc arranged along location pellet left end circumference, the projection of left end on end plate of location pellet is overlapping with the circular arc track of strip through-hole bottom, and the side of described bending pinch roller is provided with No. two concave arcs.
CN201410712517.3A 2014-11-29 2014-11-29 A kind of tubing bending device Active CN104492884B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410712517.3A CN104492884B (en) 2014-11-29 2014-11-29 A kind of tubing bending device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410712517.3A CN104492884B (en) 2014-11-29 2014-11-29 A kind of tubing bending device

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CN104492884A true CN104492884A (en) 2015-04-08
CN104492884B CN104492884B (en) 2016-06-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106311831A (en) * 2015-07-10 2017-01-11 北京京诚瑞信长材工程技术有限公司 Pipe bender
CN108435938A (en) * 2018-02-12 2018-08-24 珠海格力精密模具有限公司 Guide frame and guidance system with it
CN114074150A (en) * 2021-11-15 2022-02-22 青岛海尔工业智能研究院有限公司 Wire harness bending tool and wire harness bending method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009011813A1 (en) * 2008-03-26 2009-10-01 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Calibrating tool for use in forming tool to produce plate spring in friction clutch of motor vehicle, has tool surface with larger inner dimension and smaller inner diameter along axial longitudinal direction of tool body
CN102397943A (en) * 2011-10-20 2012-04-04 无锡曙光模具有限公司 Bend molding die for automotive seat headrest pipe fittings
CN202239106U (en) * 2011-08-09 2012-05-30 宁波福士汽车部件有限公司 Multi-bend pipe bending machine
CN202447505U (en) * 2011-12-22 2012-09-26 重庆市宏立摩托车配件制造有限公司 Pipe forming die
JP2012254475A (en) * 2011-06-10 2012-12-27 Ohashi Tekko Kk Simultaneous forming die for deep bending of pipe
CN202655454U (en) * 2012-02-27 2013-01-09 青岛海汇铁塔机械有限公司 Quick bending forming device for straight back of angle steel
CN103658334A (en) * 2012-08-30 2014-03-26 常志伟 Adjustable pipe-bending die

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009011813A1 (en) * 2008-03-26 2009-10-01 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Calibrating tool for use in forming tool to produce plate spring in friction clutch of motor vehicle, has tool surface with larger inner dimension and smaller inner diameter along axial longitudinal direction of tool body
JP2012254475A (en) * 2011-06-10 2012-12-27 Ohashi Tekko Kk Simultaneous forming die for deep bending of pipe
CN202239106U (en) * 2011-08-09 2012-05-30 宁波福士汽车部件有限公司 Multi-bend pipe bending machine
CN102397943A (en) * 2011-10-20 2012-04-04 无锡曙光模具有限公司 Bend molding die for automotive seat headrest pipe fittings
CN202447505U (en) * 2011-12-22 2012-09-26 重庆市宏立摩托车配件制造有限公司 Pipe forming die
CN202655454U (en) * 2012-02-27 2013-01-09 青岛海汇铁塔机械有限公司 Quick bending forming device for straight back of angle steel
CN103658334A (en) * 2012-08-30 2014-03-26 常志伟 Adjustable pipe-bending die

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106311831A (en) * 2015-07-10 2017-01-11 北京京诚瑞信长材工程技术有限公司 Pipe bender
CN106311831B (en) * 2015-07-10 2017-12-22 北京京诚瑞信长材工程技术有限公司 A kind of bending machine
CN108435938A (en) * 2018-02-12 2018-08-24 珠海格力精密模具有限公司 Guide frame and guidance system with it
CN114074150A (en) * 2021-11-15 2022-02-22 青岛海尔工业智能研究院有限公司 Wire harness bending tool and wire harness bending method

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