CN102397927A - Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof - Google Patents
Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof Download PDFInfo
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- CN102397927A CN102397927A CN201110338150XA CN201110338150A CN102397927A CN 102397927 A CN102397927 A CN 102397927A CN 201110338150X A CN201110338150X A CN 201110338150XA CN 201110338150 A CN201110338150 A CN 201110338150A CN 102397927 A CN102397927 A CN 102397927A
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Abstract
The invention discloses an elbow pipe device of EGR pipe fitting, comprising a pedestal, a feeding device and an elbow pipe die, characterized in that said elbow pipe die further comprises an elbow-pipe spindle, a swinging plate, a fixing plate, a wheel die and a clamping die. The fixing plate is fixedly disposed at the front end of the pedestal; the swinging plate is rotationally disposed on the elbow pipe spindle; the wheel die is sleeved on the elbow pipe spindle capable of rotating along with the swinging plate; the die is glidingly disposed on the swinging plate and is capable of forming a clamping cavity together with the wheel die for clamping the pipe embryo; the wheel die and the clamping die are fitted to form a ripple forming cavity that is capable of realizing the ripple forming of pipe embryo; one side of the pedestal is further provided with a locking device that can fix the swinging plate with the fixing plate. The invention integrates the function of ripple machining on the pipe bending machine, with which the ripples can be machined on the pipe bending machine. With the invention, only one facility can realize the machining of the elbow pipe with ripples; therefore, the equipment investment is reduced, the production cost is lowered and the uniformity of product is enhanced.
Description
Technical field
The present invention relates to a kind of pipe fitting, particularly a kind of EGR (Exhaust Gas Recirculation, the gas recirculation system) swan neck system of pipe fitting and processing method of this EGR pipe fitting that is applied to automobile industry with ripple struction.
Background technology
At present, most of pipe fitting products all have bellows, because have the pipe fitting product of bellows following benefit is arranged: (1), bellows have the effect of vibration damping, can make product in vibration processes, avoid the certain rigid collision; (2), bellows has certain flexiblely, can make product be easy to assembling.Therefore the pipe fitting product that has a bellows in production is a kind of trend of following tubing production development.
In the prior art, its production technology of pipe fitting product that has a bellows normally: moulding ripple on sheet material earlier, and then roll and welding fabrication is a tubulose.It just is the manufacturing approach of a kind of metal bellows the Chinese invention patent " a kind of manufacturing approach of metal bellows " of ZL03110903.9 just discloses: the cold rolled stainless steel band of getting bright annealing like the patent No.; Be rolled into tubulose; Adopt that arc energy is strongly concentrated, do not produce the welding machine that arc floats on the little electric current; Joint at steel band welds, and the cold rolled stainless steel band that rolls is welded into wall steel pipe as thin as a wafer; Cut off, again through the make-up machine moulding; After the moulding, bellows is clamped on the operating desk, adopts a knife rest that rigid strutting piece is pushed metal bellows side cut place, on another knife rest, load onto hobboing cutter, and hobboing cutter is aligned metal bellows side cut place, cut edge through anchor clamps; The back metal bellows of will cutting edge is put into the surface treatment liquid of being made up of 10-30% (weight), nitric acid 5-15% (weight) and excess water and is carried out surface treatment, takes out back water flushing, dewaters with alcohol again, and packing is processed finished product.
Yet the metal bellows process in the above-mentioned patent all is a step-by-step processing, and the whole machining process process steps is complicated; And, also need carry out the bending molding process step, for the manufacturing approach of above-mentioned patent for as the EGR pipe that uses in the automobile industry; The pipe fitting that also need will be rolled into tubulose is put into and carries out bending on the special bending machine; But can only realize the bending of pipe fitting for common bending machine, but can not bend the pipe fitting of band ripple, promptly enable bending; Production efficiency is also lower, and consistency of product also is difficult to guarantee.
Summary of the invention
First technical problem to be solved by this invention be to above-mentioned prior art present situation and provide a kind of simple in structure, working (machining) efficiency is high and the swan neck system that is used for the EGR pipe fitting of good product consistency.
Second technical problem to be solved by this invention provides a kind of moulding process that adopts the EGR pipe fitting of above-mentioned swan neck system realization.
The present invention solves the technical scheme that above-mentioned first technical problem adopts: a kind of swan neck system of EGR pipe fitting includes
Pedestal;
Pay-off is arranged on the said pedestal, and this pay-off has the hold assembly and the driver part that drives this hold assembly motion of grip tube embryo;
Bend pipe mould is used for the described EGR pipe fitting of bending forming, and this bend pipe mould is positioned at the front end of said pedestal;
It is characterized in that: described bend pipe mould includes bend pipe main shaft, oscillating deck, fixed head, wheel mould and clamping; Wherein, Said fixed head is fixedly set in the front end of said pedestal; Said oscillating deck is arranged on the said bend pipe main shaft rotationally; Saidly take turns that die sleeve is located on the said bend pipe main shaft and can be with said oscillating deck rotation, said clamping is mounted slidably on said oscillating deck and with the said mould of taking turns and cooperates the clamping die cavity that is formed with the said pipe embryo of ability clamping, and; Saidly take turns mould and clamping and also cooperate and be formed with the ripple die cavity that can realize said pipe embryo ripple forming, a side of said pedestal also is provided with and can said oscillating deck and fixed head be clamped and fastened on locking device together.
Described pay-off can adopt various mechanism of the prior art to realize; In order to improve the clamping stability of pipe embryo; And preventing to manage embryo is out of shape in bending and ripple forming; As preferably, described pay-off can adopt following structure to realize: this pay-off includes feeding guide, as the beam tube folder of said hold assembly with as the motor of said driver part, and said feeding guide is fixedly set in said pedestal top; Said beam tube folder is arranged on the said feeding guide movably; Said motor is fixedly set on the said pedestal and can drives said beam tube folder does the straight line slippage along said feeding guide, also is provided with the tube core that can be arranged in the said pipe embryo on the said beam tube folder, and said tube core and said feeding guide are for laterally arranging.The beam tube folder can play the effect of grip tube embryo on the one hand, can also play the effect of stay pipe embryo on the other hand, and the tube core in the beam tube folder can prevent to manage the embryo extrusion better, improves the rigidity of pipe embryo.
In order further to prevent to manage the embryo distortion, improve the chucking power of pipe embryo, as preferably, described beam tube folder has two at least.A plurality of beam tube folders on the feeding guide direction can make that the pipe embryo is stressed more even after clamping, reduce the deformation in the process.
Preferred as further; Described locking device includes lock sleeve and drives the cylinder that this lock sleeve moves; Wherein, The piston rod end of said cylinder is fixedly connected on the main panel of this lock sleeve, and the main panel of said lock sleeve and said bend pipe main shaft parallel and perpendicular to said fixed head setting, also have the biside plate that vertical this main panel is provided with on the main panel of said lock sleeve; Form the draw-in groove of U-shaped between said side plate and the main panel, said draw-in groove has and can be fixed in said fixed head and oscillating deck side by side together openings of sizes.This locking device can stretch through air cylinder driven, and in use, the draw-in groove of lock sleeve can abut against locking together with fixed head and oscillating deck, thereby can realize the ripple forming technology of pipe fitting.
The present invention solves above-mentioned second technical scheme that technical problem adopted: a kind of moulding process of the EGR of realization pipe fitting is characterized in that described moulding process may further comprise the steps:
(1), sheet material is rolled into tubulose;
(2), described tubulose sheet material is welded formation pipe embryo at joint;
(3), described pipe embryo is positioned over enterprising line bend of described swan neck system and machine-shaping ripple, obtain described EGR pipe fitting.
As preferably, the pipe embryo machine-shaping ripple in the said step (3) adopts following steps:
A, described oscillating deck is parallel near setting with described fixed head, and, through described locking device said oscillating deck and fixed head are clamped and fastened on together;
B, an end of said pipe embryo is clamped on the hold assembly of said pay-off, the other end of this pipe embryo is held in the said ripple die cavity that is formed by wheel mould and clamping;
The driver part of c, said pay-off promotes the ripple die cavity motion of described hold assembly to the said pipe embryo other end, and the other end of said pipe embryo is the moulding ripple in said ripple die cavity.
Compared with prior art; The invention has the advantages that: integrated ripple function of processing on bending machine; Make the pipe embryo behind bending and molding on the bending machine, can on bending machine, machine-shaping go out ripple simultaneously, only need just can realize bend pipe processing with ripple with an equipment; Reduce the input of equipment, reduced production cost; Secondly, the processing ripple can be realized on same equipment with the bending pipe fitting, can disposablely machine, and has not only simplified processing technology, has improved production efficiency, but also has reduced the error that causes because of exchange device more, thereby can improve consistency of product.
Description of drawings
Fig. 1 is the overall structure sketch map of bending machine of the present invention.
Fig. 2 is the partial exploded view of bending machine of the present invention.
Fig. 3 is the vertical view of bending machine of the present invention.
Fig. 4 is the wheel mould and the clamping fit structure sketch map of bending machine of the present invention.
The EGR fitting structure sketch map of Fig. 5 for obtaining through bending machine processing of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 5, the bending machine of present embodiment includes pedestal 1, be arranged on the pay-off on the pedestal 1 and be arranged on the anterior bend pipe mould of pedestal 1.
Wherein, pay-off includes feeding guide 2, beam tube folder 3 and motor 4, and feeding guide 2 is fixedly installed on the pedestal 1; Three beam tube folders 3 that are provided with at interval along the length direction front and back of this feeding guide 2 are installed on the feeding guide 2; Each beam tube folder 3 has tube core 31, and tube core 31 laterally arranges with feeding guide 2, and three beam tube folders 3 on the one hand can the grip tube embryo; Preventing to manage embryo rocks; Can also play the effect of stay pipe embryo on the other hand, improve the rigidity and the intensity of pipe embryo, in the bending process, prevent to manage the embryo distortion;
Bend pipe mould includes bend pipe main shaft 5, oscillating deck 6, fixed head 7, wheel mould 61 and clamping 62, and wherein, fixed head 7 is fixedly set in the front end of pedestal 1; The front end face of the principal plane of fixed head 7 and pedestal 1 parallels setting; Bend pipe main shaft 5 is arranged on the front left side of fixed head 7, and oscillating deck 6 is arranged on the bend pipe main shaft 5 rotationally, and 61 of moulds of wheel are set on the bend pipe main shaft 5 and can go for a stroll with oscillating deck 6 and manage main shaft 5 rotations; Also be provided with guide rail on the oscillating deck 6; Clamping 62 is mounted slidably on the guide rail of oscillating deck 6, and wheel mould 61 is provided with the upper cavity (not shown), and clamping 62 is provided with lower mode cavity 621; Clamping 62 can form a clamping die cavity of being made up of upper cavity and lower mode cavity 621 with the 61 pairing settings of wheel mould and after cooperating, and this clamping die cavity can be used in an end of grip tube embryo when bend pipe; And; Wheel mould 61 also is processed with the bellows chamber (not shown) at the lower position of upper cavity; Clamping 62 is processed with bellows chamber 622 down equally at the lower position of lower mode cavity 621; Form a ripple die cavity of being made up of last bellows chamber and following bellows chamber 622 behind wheel mould 61 and clamping 62 matched moulds, this ripple die cavity can be managed machine-shaping ripple struction on the embryo;
One side of pedestal 1 also is provided with locking device; This locking device includes lock sleeve 8 and drives the cylinder that this lock sleeve 8 moves, and wherein, piston rod 81 ends of cylinder are fixedly connected on the main panel of this lock sleeve 8; The main panel of lock sleeve 8 and bend pipe main shaft 5 parallel and are provided with perpendicular to fixed head 7; Also have two side plates that vertical this main panel is provided with on the main panel of lock sleeve 8, form the draw-in groove 82 of a U-shaped between two side plates and the main panel, the fixed head 7 that the openings of sizes of this draw-in groove 82 just in time can supply to be arranged side by side together inserts with oscillating deck 6; Thereby fixed head 7 and oscillating deck 6 are clamped in the U-shaped draw-in groove 82 fixing, prevent that oscillating deck 6 from launching; When the processing ripple; Fixed head 7 locks through locking device with oscillating deck 6, and an end of pipe embryo is clamped in the ripple die cavity, and the other end of pipe embryo is clamped in the beam tube folder 3; The stressed back of pipe embryo moulding ripple 91 in the ripple die cavity is moved near the direction of ripple die cavity in motor 4 driving beam tube folders 3 edges.
The moulding process of the EGR pipe fitting that the swan neck system of employing present embodiment processes includes following steps:
(1), at first, sheet material is rolled into tubulose;
(2), secondly, tubulose sheet material is welded at joint, form the pipe embryo of tubular;
(3), then, will manage embryo and be positioned over enterprising line bend of swan neck system and machine-shaping ripple 91, finally obtain EGR pipe fitting 9.
Wherein, pipe embryo machine-shaping ripple on swan neck system adopts following steps in the step (3):
A, oscillating deck 6 is resetted and parallel near setting with fixed head 7, through locking device oscillating deck 6 and fixed head 7 are clamped and fastened on together then;
B, the end that will manage embryo are clamped on the beam tube folder 3 of pay-off, and the tube core 31 of beam tube folder 3 is located in the endoporus of pipe embryo, and another pipe fitting 9 ends of pipe embryo then are held in the ripple die cavity that is formed by wheel mould 61 and clamping 62;
C, starter motor 4, three beam tubes folders 3 that drive on the feeding guides 2 through motor 4 move to the end near the ripple die cavity synchronously, and manage embryo and receive thrust vertically, and final moulding ripple 91 in the ripple die cavity, obtain EGR pipe fitting 9 with ripple 91.
Claims (6)
1. the swan neck system of an EGR pipe fitting includes
Pedestal (1);
Pay-off is arranged on the said pedestal (1), and this pay-off has the hold assembly and the driver part that drives this hold assembly motion of grip tube embryo;
Bend pipe mould is used for the described EGR pipe fitting of bending forming (9), and this bend pipe mould is positioned at the front end of said pedestal (1);
It is characterized in that: described bend pipe mould includes bend pipe main shaft (5), oscillating deck (6), fixed head (7), wheel mould (61) and clamping (62); Wherein, Said fixed head (7) is fixedly set in the front end of said pedestal (1); Said oscillating deck (6) is arranged on the said bend pipe main shaft (5) rotationally; Saidly take turns that mould (61) is set in that said bend pipe main shaft (5) is gone up and can be with said oscillating deck (6) rotation, said clamping (62) is mounted slidably in said oscillating deck (6) and goes up and cooperates the clamping die cavity that is formed with the said pipe embryo of ability clamping with the said mould (61) of taking turns, and; Saidly take turns mould (61) and clamping (62) and also cooperate and be formed with the ripple die cavity that can realize said pipe embryo ripple forming, a side of said pedestal (1) also is provided with and can said oscillating deck (6) and fixed head (7) be clamped and fastened on locking device together.
2. the swan neck system of EGR pipe fitting according to claim 1; It is characterized in that: described pay-off includes feeding guide (2), as the beam tube of said hold assembly folder (3) with as the motor (4) of said driver part; Said feeding guide (2) is fixedly set in said pedestal (1) top; Said beam tube folder (3) is arranged on the said feeding guide (2) movably; Said motor (4) is fixedly set in the last said beam tube folder (3) that also can drive of said pedestal (1) and does the straight line slippage along said feeding guides (2); Also be provided with the tube core (31) that can be arranged in the said pipe embryo on the said beam tube folder (3), said tube core (31) and said feeding guide (2) are for laterally arranging.
3. the swan neck system of EGR pipe fitting according to claim 2 is characterized in that: described beam tube folder (3) has two at least.
4. the swan neck system of EGR pipe fitting according to claim 1; It is characterized in that: described locking device includes lock sleeve (8) and drives the cylinder that this lock sleeve (8) moves; Wherein, The piston rod of said cylinder (81) end is fixedly connected on the main panel of this lock sleeve (8); The main panel of said lock sleeve (8) and said bend pipe main shaft (5) parallel and are provided with perpendicular to said fixed head (7); Also have the biside plate that vertical this main panel is provided with on the main panel of said lock sleeve (8), form the draw-in groove (82) of U-shaped between said side plate and the main panel, said draw-in groove (82) has and can be fixed in said fixed head (7) and oscillating deck (6) side by side together openings of sizes.
5. the moulding process of the EGR pipe fitting that the described swan neck system of arbitrary claim is realized in employing such as the claim 1～4 is characterized in that described moulding process may further comprise the steps:
(1), sheet material is rolled into tubulose;
(2), described tubulose sheet material is welded formation pipe embryo at joint;
(3), described pipe embryo is positioned over enterprising line bend of described swan neck system and machine-shaping ripple (91), obtain described EGR pipe fitting (9).
6. the moulding process of EGR pipe fitting according to claim 5 is characterized in that: the pipe embryo machine-shaping ripple in the said step (3) adopts following steps:
A, described oscillating deck (6) is parallel near setting with described fixed head (7), and, through described locking device said oscillating deck (6) and fixed head (7) are clamped and fastened on together;
B, an end of said pipe embryo is clamped on the hold assembly of said pay-off, the other end of this pipe embryo is held in the said ripple die cavity that is formed by wheel mould (61) and clamping (62);
The driver part of c, said pay-off promotes the ripple die cavity motion of described hold assembly to the said pipe embryo other end, and the other end of said pipe embryo is moulding ripple (91) in said ripple die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338150 CN102397927B (en) | 2011-10-31 | 2011-10-31 | Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338150 CN102397927B (en) | 2011-10-31 | 2011-10-31 | Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102397927A true CN102397927A (en) | 2012-04-04 |
| CN102397927B CN102397927B (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110338150 Active CN102397927B (en) | 2011-10-31 | 2011-10-31 | Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof |
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| CN (1) | CN102397927B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831332A (en) * | 2012-11-26 | 2014-06-04 | 浙江摩多巴克斯汽配有限公司 | Pipe-bending machine for automatically machining pipe fittings and machining method of pipe-bending machine |
| CN105170730A (en) * | 2015-05-07 | 2015-12-23 | 浙江利帆家具有限公司 | Limiting device for bending round pipe multiple times |
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| GB512345A (en) * | 1938-04-25 | 1939-09-01 | Bristol Piping Company Ltd | New or improved method of and apparatus for bending metal pipes and tubes |
| US4232813A (en) * | 1978-03-10 | 1980-11-11 | Eaton-Leonard Corporation | Method and apparatus for making bent pipe |
| JPH08110186A (en) * | 1994-10-12 | 1996-04-30 | Yasuoka:Kk | Spiral pipe for cooling, its manufacture, and cooling device employing it |
| JP2000140948A (en) * | 1998-11-09 | 2000-05-23 | Maezawa Kyuso Industries Co Ltd | Corrugated tube bending device |
| CN201211538Y (en) * | 2008-05-30 | 2009-03-25 | 江苏仓环铜业股份有限公司 | Bellows manufacturing device |
| CN201333482Y (en) * | 2009-01-14 | 2009-10-28 | 浙江摩多巴克斯汽配有限公司 | Bent tube mould |
| CN102107234A (en) * | 2009-12-29 | 2011-06-29 | 陈鸣 | Complete device of spiral corrugated steel pipe and method for producing spiral corrugated steel pipe |
| CN202270797U (en) * | 2011-10-31 | 2012-06-13 | 浙江摩多巴克斯汽配有限公司 | Bend device of exhaust gas recirculation (EGR) pipe |
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2011
- 2011-10-31 CN CN 201110338150 patent/CN102397927B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512345A (en) * | 1938-04-25 | 1939-09-01 | Bristol Piping Company Ltd | New or improved method of and apparatus for bending metal pipes and tubes |
| US4232813A (en) * | 1978-03-10 | 1980-11-11 | Eaton-Leonard Corporation | Method and apparatus for making bent pipe |
| JPH08110186A (en) * | 1994-10-12 | 1996-04-30 | Yasuoka:Kk | Spiral pipe for cooling, its manufacture, and cooling device employing it |
| JP2000140948A (en) * | 1998-11-09 | 2000-05-23 | Maezawa Kyuso Industries Co Ltd | Corrugated tube bending device |
| CN201211538Y (en) * | 2008-05-30 | 2009-03-25 | 江苏仓环铜业股份有限公司 | Bellows manufacturing device |
| CN201333482Y (en) * | 2009-01-14 | 2009-10-28 | 浙江摩多巴克斯汽配有限公司 | Bent tube mould |
| CN102107234A (en) * | 2009-12-29 | 2011-06-29 | 陈鸣 | Complete device of spiral corrugated steel pipe and method for producing spiral corrugated steel pipe |
| CN202270797U (en) * | 2011-10-31 | 2012-06-13 | 浙江摩多巴克斯汽配有限公司 | Bend device of exhaust gas recirculation (EGR) pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831332A (en) * | 2012-11-26 | 2014-06-04 | 浙江摩多巴克斯汽配有限公司 | Pipe-bending machine for automatically machining pipe fittings and machining method of pipe-bending machine |
| CN103831332B (en) * | 2012-11-26 | 2016-08-24 | 浙江摩多巴克斯科技股份有限公司 | The bending machine of a kind of automatic processing pipe fitting and processing method thereof |
| CN105170730A (en) * | 2015-05-07 | 2015-12-23 | 浙江利帆家具有限公司 | Limiting device for bending round pipe multiple times |
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| Publication number | Publication date |
|---|---|
| CN102397927B (en) | 2013-07-10 |
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Address after: Hongxing Road 315033 Zhejiang province Ningbo Jiangbei Industrial Zone No. 8 A Patentee after: ZHEJIANG MOTORBACS TECHNOLOGY CO., LTD. Address before: Hongxing Road 315033 Zhejiang province Ningbo Jiangbei Industrial Zone No. 8 A Patentee before: Zhejiang Motorbacs Autoparts Co., Ltd. |