|Publication number||CN102397927 A|
|Application number||CN 201110338150|
|Publication date||4 Apr 2012|
|Filing date||31 Oct 2011|
|Priority date||31 Oct 2011|
|Also published as||CN102397927B|
|Publication number||201110338150.X, CN 102397927 A, CN 102397927A, CN 201110338150, CN-A-102397927, CN102397927 A, CN102397927A, CN201110338150, CN201110338150.X|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (8), Referenced by (3), Classifications (5), Legal Events (4)|
|External Links: SIPO, Espacenet|
一种EGR管件的弯管装置及其成型工艺 Bending apparatus EGR pipe and molding process
技术领域 Technical Field
 本发明涉及一种带波纹结构的管件，特别是一种应用于汽车行业的EGR(Exhaust Gas Recirculation，废气再循环系统）管件的弯管装置及该EGR管件的加工方法。  The present invention relates to a pipe with a corrugated structure, especially used in the automotive industry is an EGR (Exhaust Gas Recirculation, EGR) pipe bends apparatus and processing method of the EGR pipe.
 目前，大多数管件类产品都带有波纹管，因为带有波纹管的管件产品有以下好处： (1)、波纹管具有减振的作用，能使产品在振动过程中避免一定的刚性碰撞；(2)、波纹管具有一定的挠性，可以使产品易于装配。  Currently, most pipe fittings products come with bellows, as with a bellows pipe products have the following advantages: (1) having a damping effect of the bellows, can avoid certain products during vibration rigid collision; (2), the bellows has a certain flexibility, so that the product can be easily assembled. 因此在生产带有波纹管的管件产品是未来管类产品发展的一种趋势。 Therefore, in the production of pipe products with a bellows tube is a trend in the future development of products.
 现有技术中，带有波纹管的管件产品其生产工艺通常是：先在板材材料上成型波纹，然后再卷制并焊接成型为管状。  The prior art pipe fittings with bellows of its production process is usually: first in forming a corrugated sheet material, then rolled and welded into a tube. 就如专利号为ZL03110903. 9的中国发明专利《一种金属波纹管的制造方法》就公开了这样一种金属波纹管的制造方法：取光亮退火的冷轧不锈钢带，卷成管状，采用电弧能量坚挺集中、小电流上不产生弧漂的焊机，在钢带的对接处进行焊接，将卷制的冷轧不锈钢带焊成极薄壁钢管；进行切断，再经成型机成型；成型后，通过夹具将波纹管夹持在操作台上，采用一个刀架将刚性支撑件推入金属波纹管切边处，在另一个刀架上装上滚刀，并将滚刀对正金属波纹管切边处，进行切边；将切边后金属波纹管放入由10-30% (重）、硝酸5-15% (重）和余量水组成的表面处理液中进行表面处理，取出后用水冲洗，再用酒精进行脱水，包装，制成成品。 . As patent number ZL03110903 9 Chinese invention patent "Method for manufacturing a metal bellows," it is disclosed a method for producing metal bellows: Take bright annealing of cold-rolled stainless steel strip, rolled into a tube, using electric arc energy firm focused on the small arc current does not produce drift welder, welding at the abutment strip, cold-rolled stainless steel will be welded into a very thin-walled steel band; were cut off, and then the molding machine; molded By clamping jig bellows operating table, using a tool holder is pushed into the rigid support trimming metal bellows at another turret installed on the hob and the hob aligned metal bellows cut edges, trimming; After trimming metal bellows into the surface treatment solution from the 10-30% (by weight), nitric acid 5-15% (by weight) and the balance of water in the surface treatment after the removal of water Rinse, then alcohol dehydration, packaging and finished products.
 然而，上述专利中的金属波纹管加工过程都是分步处理，整个加工过程步骤复杂， 而且对于像汽车行业中使用的EGR管，还需要进行折弯成型工艺步骤，对于上述专利的制造方法来说，还需要将卷成管状的管件放到专门的弯管机上进行折弯，但是对于普通的弯管机只能实现管件的弯折，却不能够弯制带波纹的管件，即使能弯曲，生产效率也较低，而且产品的一致性也难以保证。  However, the above patent processing metal bellows are stepwise process, the whole process steps are complicated, and the EGR tube as used in the automotive industry, but also the need for bending molding process step, the above-mentioned patents manufacturing method, it also needs to be rolled into a tubular pipe placed on a dedicated bender bending, but for ordinary bending machine can only achieve the bent pipe, not pipe bending corrugated can even can be bent, production efficiency is low, and it is difficult to guarantee the consistency of the product.
 本发明所要解决的第一个技术问题是针对上述现有技术现状而提供一种结构简单、加工效率高且产品一致性好的用于EGR管件的弯管装置。  The first technical problem to be solved by the present invention is directed to the above state of the prior art and to provide a simple, high processing efficiency and product consistency and good for EGR pipe elbow means.
 本发明所要解决的第二技术问题是提供一种采用上述弯管装置实现的EGR管件的成型工艺。 The second technical problem  to be solved by the present invention is to provide a means to achieve the above-described elbow EGR pipe forming process.
 本发明解决上述第一个技术问题所采用的技术方案为：一种EGR管件的弯管装置，包括有  The present invention solves the above-described first aspect is adopted technical problem: a device for the EGR pipe elbow member, comprising
基座；  a base;
 送料装置，设置于所述基座上，该送料装置具有夹持管胚的夹持部件和驱动该夹持部件运动的驱动部件；  The feeding device disposed on the base, the feeding device has a gripping tube embryos holding member and the driving part drives the movement of the clamping member;
 弯管模具，用于弯折成型所述的EGR管件，该弯管模具位于所述基座的前端；  bending die for bending molding said EGR tube, the bending die at the front end of the base;
 其特征在于：所述的弯管模具包括有弯管主轴、摆动板、固定板、轮模和夹模，其  wherein: said elbow bending die comprising a spindle, a swing plate, fixing plate, wheel and mold clamping, which
4中，所述固定板固定设置于所述基座的前端，所述摆动板可转动地设置于所述弯管主轴上， 所述轮模套设在所述弯管主轴上并能随所述摆动板旋转，所述夹模可滑动地设置于所述摆动板上并与所述轮模配合形成有能夹持所述管胚的夹持型腔，而且，所述轮模和夹模还配合形成有能实现所述管胚波纹成型的波纹型腔，所述基座的一侧还设置有能将所述摆动板和固定板夹持固定于一起的锁紧装置。 4, the fixing plate is fixedly arranged at the front end of the base, the wobble plate rotatably provided on the shaft bend, the wheel provided on said die sets and can bend with the spindle said wobble plate rotation, the clamping is slidably disposed in the swing plate and mating with the wheel is formed with a mold of the tube holder can be clamped embryo cavity, and the mold and clamping wheel There also can be achieved with the formation of the corrugations forming a corrugated tube embryos cavity, one side of the base is also provided with the wobble plate capable of holding and fixing plate is fixed to the locking device together.
 所述的送料装置可以采用现有技术中的各种机构实现，为了提高管胚的夹持稳定性，并且防止管胚在折弯和波纹成型中变形，作为优选，所述的送料装置可以采用以下结构实现：该送料装置包括有送料导轨、作为所述夹持部件的束管夹和作为所述驱动部件的电机，所述送料导轨固定设置于所述基座顶部，所述束管夹可活动地设置在所述送料导轨上， 所述电机固定设置于所述基座上并能驱动所述束管夹沿所述送料导轨做直线滑移，所述束管夹上还设置有能穿设于所述管胚内的管芯，所述管芯与所述送料导轨为平行设置。  The feeding apparatus of the prior art may be used to achieve a variety of institutions, in order to improve holding stability of the embryo, and the embryo to prevent deformation in bending and corrugating medium, as a preferred, said feed means may be employed to achieve the following structure: The feeding means comprises a feed rail, the clamping member as a beam tube and clamp member as the drive motor, the feeding rail fixedly arranged on the top of the base, the beam Pipe clamps movably provided on the feeding rail, said motor fixedly provided on the base and can drive the beam pipe clamp rail along the straight line feeding slip on the beam pipe clamp is also provided There can be drilled in the tube embryos die within the die and the feeding guide is arranged in parallel. 束管夹一方面能够起到夹持管胚的作用，另一方面还能够起到支撑管胚的作用，束管夹内的管芯能够更好地防止管胚受挤压变形，提高管胚的刚性。 A tube clamp on the one hand can play a role in holding tube embryo, on the other hand also can play a supporting role in the embryo, beam tube die within a folder can better prevent the embryo by extrusion, tube embryos to improve rigidity.
 为了进一步防止管胚变形，提高管胚的夹持力，作为优选，所述的束管夹至少有两个。  In order to prevent deformation of the embryo, the embryo improve clamping force, as is preferred, the beam has at least two pipe clamps. 送料导轨方向上的多个束管夹能够使得管胚在夹持后受力更加均勻，减小加工过程中的形变。 A plurality of beam tube feeding guide rail clamp on the tube embryos can be made more uniform after clamping force, reducing the process of deformation.
 作为进一步优选，所述的锁紧装置包括有锁紧套和驱动该锁紧套移动的气缸，其中，所述气缸的活塞杆端部固定连接在该锁紧套的主面板上，所述锁紧套的主面板与所述弯管主轴相平行且垂直于所述固定板设置，所述锁紧套的主面板上还具有垂直该主面板设置的两侧板，所述侧板和主面板之间形成U形的卡槽，所述卡槽具有能将所述固定板和摆动板并排固定于一起的开口大小。  As a further preferred, said locking means comprises a locking sleeve and the drive to move the locking sleeve cylinder, wherein the ends of the cylinder piston rod is fixedly connected to the locking sleeve on the main panel, The locking sleeve of the main panel and the bend axis parallel and perpendicular to the fixed plate is provided on the main panel of the locking sleeve also has two side plates arranged perpendicular to the main panel, the side panels formed between the main panel and U-shaped slot, said slot having a size capable of opening the fixed plate and swing the plate fixed to the side by side together. 该锁紧装置能够通过气缸驱动进行伸缩，在使用时，锁紧套的卡槽能够将固定板和摆动板紧靠在一起锁紧，从而能够实现管件的波纹成型工艺。 The locking device can be driven by the telescopic cylinder, in use, the locking sleeve slot can be fixed plate and swing lock plate close together, enabling the corrugated pipe molding process.
 本发明解决上述第二个技术问题所采用的技术方案为：一种实现EGR管件的成型工艺，其特征在于，所述的成型工艺包括以下步骤：  The present invention solves the above-described second aspect of the technical problem is adopted: a molding process to achieve the EGR pipe member, wherein said molding process comprises the following steps:
 (1)、将板材材料卷成管状；  (1), the sheet material is rolled into a tube;
 (2)、将所述的管状板材在对接处进行焊接，形成管胚；  (2), said tubular plate will be welded at the abutment to form the embryo;
 (3)、将所述的管胚放置于所述的弯管装置上进行弯曲并加工成型波纹，得到所述的EGR管件。  (3), the embryo is placed in the tube bending and molding ripple on the elbow device, to give the EGR tube said.
 作为优选，所述步骤（3)中的管胚加工成型波纹采用如下步骤：  Advantageously, said step (3) of the corrugated tube embryos molding using the following steps:
 a、将所述的摆动板与所述的固定板平行紧靠设置，并且，通过所述的锁紧装置将所述摆动板和固定板夹持固定于一起；  a, wobble plate parallel to the fixed plate abuts said set, and by the locking means and the oscillating plate is fixed to the fixing plate holding together;
 b、将所述管胚的一端夹持在所述送料装置的夹持部件上，该管胚的另一端夹持于由轮模和夹模形成的所述波纹型腔内；  b, one end of the tube embryos held on the feeding device holding member and the other end of the tube embryos to the corrugated gripping the wheel mold cavity and clamping formation;
 C、所述送料装置的驱动部件推动所述的夹持部件向所述管胚另一端的波纹型腔运动，所述管胚的另一端在所述波纹型腔内成型波纹。 The other end of the  C, the feeding means driving member to the driven member of the clamping movement of the bellows cavity other end of the embryo, the embryo of the tube in the bellows corrugation molding cavity.
 与现有技术相比，本发明的优点在于：在弯管机上集成了波纹加工的功能，使得管胚在弯管机上折弯成型后，同时能够在弯管机上加工成型出波纹，只需用一台设备就能够实现带波纹的弯管加工，减少了设备的投入，降低了生产成本；其次，加工波纹和弯折管件可以在同一台设备上实现，可一次性加工完成，不仅简化了加工工艺，提高了生产效率，而且还减少了因更换设备造成的误差，从而能够提高产品的一致性。  Compared with the prior art, the advantages of the present invention is that: the bender integrated corrugating features that make the embryo after the bender bending molding, can be processed simultaneously forming a ripple on a bender, Simply use a piece of equipment can be achieved with a corrugated tube bending, reducing the investment in equipment, reduce production costs; secondly, the processing of corrugated and folding fittings can be implemented on the same device, one-time processing is completed, not only simplify the process, improve production efficiency, but also reduces the error caused due to replacement of equipment, and to improve the consistency of the product. 附图说明 Brief Description
 图1为本发明弯管机的整体结构示意图。  FIG. 1 illustrates the overall construction of the present invention bender.
 图2为本发明弯管机的局部分解图。  FIG. 2 is a partially exploded view of the invention bender.
 图3为本发明弯管机的俯视图。  Figure 3 is a plan view of invention bender.
 图4为本发明弯管机的轮模和夹模配合结构示意图。  FIG. 4 of the present invention of the wheel bender with mold and clamping structure diagram.
 图5为通过本发明的弯管机加工得到的EGR管件结构示意图。  FIG. 5 is a structure EGR tube benders by working to get a schematic diagram of the present invention.
具体实施方式 DETAILED DESCRIPTION
 以下结合附图实施例对本发明作进一步详细描述。  DRAWINGS Embodiments of the present invention is described in further detail.
 如图1〜图5所示，本实施例的弯管机包括有基座1、设置在基座1上的送料装置和设置在基座1前部的弯管模具。  As shown in Figure 1 ~ 5, the bending machine according to this embodiment includes a base 1, set the feed device and is provided on the base 1 bending die in the front portion of the base 1.
[0031 ] 其中，送料装置包括有送料导轨2、束管夹3和电机4，送料导轨2固定设置在基座1上，送料导轨2上安装有三个沿该送料导轨2的长度方向前后间隔设置的束管夹3，每个束管夹3具有管芯31，管芯31与送料导轨2平行设置，三个束管夹3 —方面能够夹持管胚， 防止管胚晃动，另一方面还能起到支撑管胚的作用，提高管胚的刚性和强度，在折弯过程中防止管胚变形；  wherein the feeding means comprises a feed guide 2, beam tube holder 3 and the motor 4, the feed rail 2 is fixed is provided on the base 1, the feed rail before and after the installation of three along the feed rail longitudinal direction 2 2 intervals The beam tube clamp 3, each beam tube clip 3 31, the die 31 and the feed rail 2 disposed in parallel with a die, three beam tube clip 3 - aspect can clamp tube embryo, the embryo to prevent shaking, on the other hand also can play a supporting role in the embryo, the embryo improve rigidity and strength to prevent the embryo during bending deformation;
 弯管模具包括有弯管主轴5、摆动板6、固定板7、轮模61和夹模62，其中，固定板7固定设置于基座1的前端，固定板7的主平面和基座1的前端面相平行设置，弯管主轴5 设置在固定板7的左前侧，摆动板6可转动地设置在弯管主轴5上，轮模61则套设在弯管主轴5上并能随摆动板6 —起绕弯管主轴5旋转，摆动板6上还设置有导轨，夹模62可滑动地设置于摆动板6的导轨上，轮模61上设置有上模腔（图中未示），夹模62上设置有下模腔621，夹模62和轮模61配对设置并且配合后能够形成一个由上模腔和下模腔621组成的夹持型腔，该夹持型腔能够用于在弯管时夹持管胚的一端；而且，轮模61在上模腔的下部位置还加工有上波纹腔（图中未示），夹模62在下模腔621的下部位置同样加工有下波纹腔622，轮模61和夹模62合模后形成一个由上波纹腔和下波纹腔622组成的波纹型腔， 该波纹型腔能够在管胚上加工成型波纹结构；  elbow bending die includes a spindle 5, the swing plate 6, a fixed plate 7, 61 and the clamping die wheel 62, which is fixed to the base plate 7 is fixed to the front end settings, the main plane of the fixing plate 1 and 7 the front face of the base 1 are arranged in parallel, bend the left front side of the spindle 5 is provided at a fixed plate 7, the swing plate 6 is rotatably disposed on the elbow spindle 5, the die wheel 61 arranged around the main shaft 5 and can bend With the swing plate 6 - from Raowan tube shaft 5 rotates, the swing plate 6 is also provided with a guide rail, clamping 62 is slidably disposed on the swing plate rail 6 is provided on the wheel cavity mold 61 (not shown) is provided on the clip 62 has a lower mold cavity 621, the clamping die 62 and the wheel 61 after the pairing settings and can be formed with a holding cavity by the upper cavity and a lower cavity 621 consisting of the holding cavity can be used at one end of the holding tube bend when the embryo; and, on the die wheel 61 in the lower position of the mold cavity is also formed with a corrugated cavity (not shown), clamp the lower mold 62 cavity 621 similarly lower position 622, 61 and the clamping die wheel 62 after closing the mold cavity is formed is formed with a corrugated bellows cavity under a corrugated chamber and the lower chamber 622 composed of bellows, the bellows cavity capable of molding a corrugated structure in the embryo;
 基座1的一侧还设置有锁紧装置，该锁紧装置包括有锁紧套8和驱动该锁紧套8 移动的气缸，其中，气缸的活塞杆81端部固定连接在该锁紧套8的主面板上，锁紧套8的主面板与弯管主轴5相平行且垂直于固定板7设置，锁紧套8的主面板上还具有垂直该主面板设置的两个侧板，两个侧板和主面板之间形成一个U形的卡槽82，该卡槽82的开口大小正好能够供并排设置在一起的固定板7与摆动板6插入，从而将固定板7和摆动板6夹持在U形卡槽82中固定，防止摆动板6展开；当加工波纹时，固定板7和摆动板6通过锁紧装置锁定，管胚的一端夹持在波纹型腔内，管胚的另一端夹持在束管夹3内，电机4驱动束管夹3沿靠近波纹型腔的方向移动，管胚受力后在波纹型腔内成型波纹91。 Side  The base 1 is also provided with a locking device, the locking means comprises a locking sleeve 8 and the drive sleeve 8 is moved to the lock cylinder, wherein the end portion of the cylinder piston rod 81 connected to the fixed locking sleeve on the main panel 8, the locking sleeve main panel 8 and elbow shaft 5 parallel and perpendicular to the fixed plate 7 is provided, the locking sleeve on the main panel 8 also has two side perpendicular to the main panel settings a U-shaped slot is formed between the board, the two side panels and the main panel 82, the size of the slot opening 82 side by side together just to supply a fixed plate 7 and the swing plate 6 is inserted, so that the fixing plate 7 and wobble plate 6 U-shaped slot 82 held fixed, avoid swinging plate 6 Expand; when processing corrugated, fixed plate 7 and the swing plate 6 by a locking device locking, holding one end of the tube embryos corrugated cavity, the other end of the tube embryos held in the beam pipe clamps 3, 4 drive motor 3 in the direction of the beam pipe clamps cavity near the corrugations move, the force after forming a corrugated tube embryos corrugated cavity 91.
 采用本实施例的弯管装置加工而成的EGR管件的成型工艺包括有以下步骤：  The pipe bending apparatus of the present embodiment of the processing from the EGR pipe forming process embodiment comprises the following steps:
 (1)、首先，将板材材料卷成管状；  (1) First, the sheet material is rolled into a tube;
 (2)、其次，将管状板材在对接处进行焊接，形成圆管形的管胚； (3)、然后，将管胚放置于弯管装置上进行弯曲并加工成型波纹91，最终得到EGR 管件9。  (2) and, secondly, will be carried out in a tubular plates butt welded to form a tube-shaped tube embryo;  (3), and then, the embryo is placed on the elbow bending and molding apparatus ripple 91, finally obtained EGR pipe 9.
 其中，步骤（3)中管胚在弯管装置上加工成型波纹采用如下步骤：  wherein step (3) in the embryo molding ripple on the elbow device using the following steps:
 a、将摆动板6复位并与固定板7平行紧靠设置，然后通过锁紧装置将摆动板6和固定板7夹持固定于一起；  a, reset the swing plate 6 and 7 in parallel with the fixed plate against the set, then locking device and the swing plate 6 is fixed to the fixed plate 7 sandwiched together;
 b、将管胚的一端夹持在送料装置的束管夹3上，束管夹3的管芯31穿设在管胚的内孔中，管胚的另一管件9端则夹持于由轮模61和夹模62形成的波纹型腔内；  b, holding one end of the embryo in the feeding device 3 beam pipe clamps, pipe clamps beam 3 die in the hole 31 drilled in the embryo, and the other end of the pipe 9 is the embryo of a folder hold the wheel in a corrugated cavity mold 61 and 62 are formed of clamping;
 c、启动电机4，通过电机4驱动送料导轨2上的三个束管夹3同步向靠近波纹型腔的一端移动，管胚受到沿轴向的推力，并最终在波纹型腔内成型波纹91，得到带波纹91的EGR管件9。  c, start the motor 4, by motor 4 drives the feeding guide on the three-beam tube 2 clip 3 is synchronized to move near the end of the corrugated cavity, the embryo being thrust in the axial direction, and eventually ripple cavity Molding corrugation 91, get 91 EGR corrugated pipe 9.
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