专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08621904B2 Hydroforming apparatus and method for hydroforming 有权
标题翻译：液压成型设备和液压成型方法
公开(公告)号：US08621904B2
公开(公告)日：2014-01-07
申请号：US12737320
申请日：2009-06-30
申请人： Masaaki Mizumura , Koichi Sato , Manabu Wada , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Koichi Sato , Manabu Wada , Yukihisa Kuriyama
IPC分类号： B21D26/02 , B21J5/04
CPC分类号： B21D26/043 , B21D26/041 , B21D26/047
摘要： A hydroforming apparatus and working method able to simply find a load path are proposed, which system and method use a mold in which contact sensors able to judge contact with a metal tube inside the mold are mounted at least at two different positions in the tube axial direction, perform a first step of axially pushing tube ends in a state with the internal pressure held at a constant value and stopping the progress of the axial pushing action when judging that among the contact sensors not yet in contact mounted at positions closest to the tube ends detect contact with the metal tube, next perform a second step of raising only the internal pressure while leaving the positions of the tube ends fixed and stopping the increase in the internal pressure when the contact sensor not yet in contact judges contact, next perform a third step of lowering the internal pressure to the value before raising it while leaving the positions of the tube ends fixed, and repeat said first step to third step until all of said contact sensors judge contact so as to obtain a hydroformed part.
摘要翻译：提出了一种能够简单地找到负载路径的液压成形设备和工作方法，该系统和方法使用模具，其中接触传感器能够判断与模具内的金属管的接触至少在管轴向的两个不同位置在将内部压力保持在一定值的状态下进行轴向推压管端的第一步骤，并且当判断在接触传感器尚未接触安装在最靠近管的位置时停止轴向推动动作的进行结束检测与金属管的接触，接下来进行仅提升内部压力的第二步骤，同时使管端部的位置固定并且当接触传感器尚未接触时停止内部压力的增加，接下来执行在将管内端部的位置固定之前将内部压力降低到值的第三步骤，并且将第一步骤重复到第三步骤一直到所有的接触传感器判断接触以获得液压成型部件。

2. 发明授权

US08297096B2 Method for hydroforming and hydroformed product 有权
标题翻译：液压成型和液压成型产品的方法
公开(公告)号：US08297096B2
公开(公告)日：2012-10-30
申请号：US12452676
申请日：2008-07-18
申请人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
IPC分类号： B21D9/15 , B21D26/02
CPC分类号： B21D26/041 , B21D22/025 , B21D26/033 , B21D26/043 , Y10T29/49805
摘要： The object is to raise the yield by greatly eliminating the disposed amounts of the tube ends, prevent wrinkles due to closing the mold while applying internal pressure, cutting the plurality of steps of hydroforming and pre-processing of the tube ends, cutting the mold costs by simplifying the mold mechanism, and obtaining a hydroformed product formed with a flange along its entire length.For this reason, the present invention provides a hydroforming method which places a metal tube to a lower mold in the state with the tube ends sticking out from it and injects a pressurizing fluid into the metal tube through the inside of a seal punch and gradually presses seal punches against tube ends of the metal tube to apply a predetermined pressing force and fill the inside of the metal tube with the pressurizing fluid to apply a predetermined internal pressure, next, in the state with the internal pressure and pressing force applied, lowers the upper mold and closes the mold so as to deform the tube and end the processing in the state with the tube ends sticking out from the mold, and, further, boosting the internal pressure in the metal tube after closing the mold and ending the forming operation and a hydroformed product processed using these methods and having a flange across the entire length in the longitudinal direction.
摘要翻译：目的是通过大大消除管端部的设置量来提高产量，防止由于在施加内压的同时关闭模具而产生的褶皱，切割多个步骤的液压成型和管端的预处理，切割模具成本通过简化模具机构，并获得沿其整个长度形成有凸缘的液压成型产品。为此，本发明提供了一种液压成形方法，其中，在管端部从其上伸出的状态下将金属管放置在下模上，并通过密封冲头的内部将加压流体注入金属管，并逐渐压入对金属管的管端密封冲压以施加预定的压力，并用加压流体填充金属管的内部以施加预定的内部压力，接下来，在施加内部压力和压力的状态下，降低上模并关闭模具以使管变形，并且在管端从模具伸出的状态下结束处理，并且进一步在关闭模具之后提高金属管内的压力并结束成形操作以及使用这些方法加工的液压成型产品，并且在纵向方向上在整个长度上具有凸缘。

3. 发明授权

US08266939B2 Method for hydroforming and hydroformed product 有权
公开(公告)号：US08266939B2
公开(公告)日：2012-09-18
申请号：US12452676
申请日：2008-07-18
申请人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
IPC分类号： B21D9/15 , B21D26/02
摘要： The object is to raise the yield by greatly eliminating the disposed amounts of the tube ends, prevent wrinkles due to closing the mold while applying internal pressure, cutting the plurality of steps of hydroforming and pre-processing of the tube ends, cutting the mold costs by simplifying the mold mechanism, and obtaining a hydroformed product formed with a flange along its entire length.For this reason, the present invention provides a hydroforming method which places a metal tube to a lower mold in the state with the tube ends sticking out from it and injects a pressurizing fluid into the metal tube through the inside of a seal punch and gradually presses seal punches against tube ends of the metal tube to apply a predetermined pressing force and fill the inside of the metal tube with the pressurizing fluid to apply a predetermined internal pressure, next, in the state with the internal pressure and pressing force applied, lowers the upper mold and closes the mold so as to deform the tube and end the processing in the state with the tube ends sticking out from the mold, and, further, boosting the internal pressure in the metal tube after closing the mold and ending the forming operation and a hydroformed product processed using these methods and having a flange across the entire length in the longitudinal direction.

4. 发明申请

US20110097596A1 METHOD FOR HYDROFORMING AND A HYDROFORMED PRODUCT 有权
标题翻译：加氢和加氢产品的方法
公开(公告)号：US20110097596A1
公开(公告)日：2011-04-28
申请号：US12737321
申请日：2009-06-30
申请人： Masaaki Mizumura , Koichi Sato , Manabu Wada , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Koichi Sato , Manabu Wada , Yukihisa Kuriyama
IPC分类号： B21D26/02 , B32B1/08
CPC分类号： B21D26/043 , B21D26/033 , B21D26/037 , B21D26/041 , Y10T29/49805 , Y10T428/1241
摘要： The invention has as its object to perform hydroforming so that no buckling or wrinkles remain at a hydroformed product with a long expanded region and comprises performing a first step of raising the internal pressure in a state with the metal tube fixed in position at the two ends or a state applying axial pushing actions of 10% or less of the total amount of axial pushing action, then applying axial pushing actions while holding the internal pressure at a constant pressure so as to expand the metal tube near the ends, then performing a second step of raising only the internal pressure without applying any axial pushing action so as to thereby expand a center of the metal tube, then performing a third step of lowering only the internal pressure to the value of the constant pressure without applying any axial pushing action, then repeating the first to third steps one or more times, then raising the internal pressure in the state not applying any axial pushing action or applying an axial pushing action of 10% of the total axial pushing action amount or less.
摘要翻译：本发明的目的是进行液压成型，使得在具有较长膨胀区域的液压成型产品上不会出现弯曲或褶皱，并且包括在金属管固定在两端的位置的状态下执行提升内部压力的第一步骤或施加轴向推动动作总量的10％以下的轴向推动动作的状态，然后在将内压保持在一定压力的同时施加轴向推动动作，以使金属管在端部附近膨胀，然后执行第二仅在不施加任何轴向推动作用的情况下仅升高内压的步骤，从而扩大金属管的中心，然后执行仅将内部压力降低到恒定值的第三步骤，而不施加任何轴向推动作用，然后重复第一至第三步骤一次或多次，然后在不施加任何轴向推动作用或施加斧头的状态下升高内部压力总推力动作量的10％左右推动动作量少。

5. 发明授权

US09486851B2 Apparatus and method for ram bending of tube material 有权
标题翻译：管材冲压弯曲的装置和方法
公开(公告)号：US09486851B2
公开(公告)日：2016-11-08
申请号：US12449616
申请日：2007-10-16
申请人： Masaaki Mizumura , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Yukihisa Kuriyama
IPC分类号： B21D7/06
CPC分类号： B21D7/06 , B21D7/066 , B21D9/04
摘要： The present invention provides a new bending apparatus and bending method of a tube material which makes it possible to achieve all of bending by a large bending radius not requiring large scale equipment or die, bending resistant to wrinkling and buckling at an inner side of the bending, and bending with a high productivity, that is, a ram bending apparatus using a punch 12 and a set of rolls 13, 13 for three-point bending of a tube material wherein the punch 12 has a groove 12a of a width of the width of a circular tube 11 or more and wherein the set of rolls 13, 13 are supported by a frame 14. The rolls 13, 13 can freely move on the frame 14 in directions away from each other in a state contacting the punch 12. The frame 14 has a hollow space 14a enabling free movement of the descending punch 12 and the circular tube 11 bent along with this during the bending of the circular tube 11.
摘要翻译：本发明提供了一种管材的新的弯曲装置和弯曲方法，其能够通过不需要大型设备或模具的大的弯曲半径来实现所有弯曲，并且能够抵抗弯曲内侧的起皱和弯曲，并且以高生产率弯曲，即使用冲头12的冲头弯曲装置和用于管材三点弯曲的一组辊13,13，其中冲头12具有宽度为宽度的凹槽12a 的圆管11或更多，并且其中一组辊13,13由框架14支撑。辊13,13可以在与冲头12接触的状态下在彼此远离的方向上在框架14上自由移动。框架14具有中空空间14a，使得下降的冲头12和圆形管11能够在圆形管11的弯曲期间随之一起弯曲而自由运动。

6. 发明申请

US20100122748A1 HYDROFORMED PRODUCT 有权
标题翻译： HYDROFORMED产品
公开(公告)号：US20100122748A1
公开(公告)日：2010-05-20
申请号：US12450925
申请日：2008-04-18
申请人： Masaaki Mizumura , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Yukihisa Kuriyama
IPC分类号： F16L9/00
CPC分类号： B21D26/033 , B60G2206/012 , B60G2206/8107
摘要： A hydroformed product obtained by integrally working a metal pipe material by cold plastic working, which product (x) has a bent part at least at one location, (y1) has, at least at one location of the bent part, an expanded part of dimensions of a direction toward the outer side (or inner side) of the bend in a cross-section vertical to a pipe axis and a direction vertical to that direction of at least 1.35× of a circle equivalent diameter of an end of the metal pipe, and (z1) has an inner side (outer side) of the bent part of substantially the same radius of curvature.
摘要翻译：通过冷塑性加工一体地加工金属管材而获得的液压成型产品，所述产品（x）至少在一个位置具有弯曲部分（y1），至少在弯曲部分的一个位置具有膨胀部分在垂直于管轴线的横截面中的弯曲部的外侧（或内侧）的方向和与该方向垂直的方向的尺寸为金属管的端部的圆当量直径的至少1.35× 和（z1）具有基本上相同的曲率半径的弯曲部分的内侧（外侧）。

7. 发明授权

US08381560B2 Hydroforming method 有权
标题翻译：液压成型法
公开(公告)号：US08381560B2
公开(公告)日：2013-02-26
申请号：US12450927
申请日：2008-04-18
申请人： Masaaki Mizumura , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Yukihisa Kuriyama
IPC分类号： B21D39/20
CPC分类号： B21D26/033 , B21D26/043
摘要： The present invention provides a hydroforming method able to increase the expansion ratio to obtain a complicated shape hydroformed product and able to reduce the number of steps of work, that is, a hydroforming method loading a metal pipe into a divided mold, clamping the mold, then applying an internal pressure and pushing force in the pipe axial direction to said metal pipe, comprising, in a first hydroforming step, expanding said metal pipe in one direction of said metal pipe cross-section to obtain an intermediate product having a circumferential length of 90% to 100% of the circumferential length of the product shape in all of the expanded part in the pipe axial direction and having a height greater than the height of the product in said one direction and at least part of the pipe axial direction, then, in a second hydroforming step, reducing the height in the one direction of said intermediate product in all or part of the pipe axial direction while shaping the product to the final product shape. Further, in the case of a shape including bending, a bending step is performed between the above first hydroforming step and second hydroforming step.
摘要翻译：本发明提供一种液压成型方法，其能够增加膨胀比以获得复杂形状的液压成型产品，并且能够减少工作步骤的数量，即将金属管装入分模中的液压成形方法，夹紧模具，然后在所述金属管的管轴向上施加内部压力和推力，包括在第一液压成形步骤中，使所述金属管沿所述金属管横截面的一个方向膨胀，以获得周向长度为在管轴方向上的所有扩张部分中的产品形状的圆周长度的90％至100％，并且具有高于所述一个方向上的产品的高度和管轴向方向的至少一部分的高度，然后在第二液压成形步骤中，在产品全部或部分管轴向方向上减小所述中间产品的一个方向的高度，同时将产品成形为fi nal产品形状。此外，在包括弯曲的形状的情况下，在上述第一液压成形步骤和第二液压成形步骤之间执行弯曲步骤。

8. 发明授权

US08001819B2 Piercing method and piercing apparatus using hydroforming and hydroformed part and structure 有权
标题翻译：使用液压成型和液压成型零件和结构的穿孔方法和穿孔装置
公开(公告)号：US08001819B2
公开(公告)日：2011-08-23
申请号：US12311752
申请日：2007-10-26
申请人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
IPC分类号： B21D35/00 , B21D26/02
CPC分类号： B21D26/035 , B21D28/28 , B23P19/064 , Y10T29/49805 , Y10T29/49925 , Y10T29/49938
摘要： The present invention was made with the object of eliminating the short pipe member when attaching a bolting nut to a hydroformed part, preventing an increase in the difficulty of hydroforming for attaching the nut, extending the nut length so as to enable sufficient strength at the time of bolting, and enabling application even to thin wall hydroformed parts and comprises inserting a metal pipe into a split mold having a pierce punch able to be moved perpendicular to an axis of the inserted metal pipe or in a slanted direction, having a front part narrower than a center part, and having around the front part a nut having an inside diameter larger than an outside diameter of the front part and smaller than an outside diameter of the center part; hydroforming it; then making the pierce punch advance to pierce part of the hydroformed part and pushing the nut by a center part arranged behind the nut and embedding the nut in the metal pipe.
摘要翻译：本发明的目的是为了在将螺栓螺母连接到液压成型部件时消除短管部件，防止加压螺母的液压成形难度增大，延长螺母长度，以便在此时能够获得足够的强度甚至能够应用于薄壁液压成形部件，并且包括将金属管插入具有能够垂直于插入的金属管的轴线或沿倾斜方向移动的穿孔冲头的分割模具中，其具有前部较窄并且在前部周围具有内径大于前部外径的内径小于中心部的外径的螺母; 液压成型然后使穿孔冲头前进，刺穿部分液压成型部件，并通过布置在螺母后面的中心部分推动螺母，并将螺母嵌入金属管中。

9. 发明申请

US20100186473A1 METHOD FOR HYDROFORMING AND HYDROFORMED PRODUCT 有权
标题翻译：加氢和水化产品的方法
公开(公告)号：US20100186473A1
公开(公告)日：2010-07-29
申请号：US12452676
申请日：2008-07-18
申请人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Koichi Sato , Yukihisa Kuriyama
IPC分类号： B21J5/04
CPC分类号： B21D26/041 , B21D22/025 , B21D26/033 , B21D26/043 , Y10T29/49805
摘要： The object is to raise the yield by greatly eliminating the disposed amounts of the tube ends, prevent wrinkles due to closing the mold while applying internal pressure, cutting the plurality of steps of hydroforming and pre-processing of the tube ends, cutting the mold costs by simplifying the mold mechanism, and obtaining a hydroformed product formed with a flange along its entire length.For this reason, the present invention provides a hydroforming method which places a metal tube to a lower mold in the state with the tube ends sticking out from it and injects a pressurizing fluid into the metal tube through the inside of a seal punch and gradually presses seal punches against tube ends of the metal tube to apply a predetermined pressing force and fill the inside of the metal tube with the pressurizing fluid to apply a predetermined internal pressure, next, in the state with the internal pressure and pressing force applied, lowers the upper mold and closes the mold so as to deform the tube and end the processing in the state with the tube ends sticking out from the mold, and, further, boosting the internal pressure in the metal tube after closing the mold and ending the forming operation and a hydroformed product processed using these methods and having a flange across the entire length in the longitudinal direction.
摘要翻译：目的是通过大大消除管端部的设置量来提高产量，防止由于在施加内压的同时关闭模具而产生的褶皱，切割多个步骤的液压成型和管端的预处理，切割模具成本通过简化模具机构，并获得沿其整个长度形成有凸缘的液压成型产品。为此，本发明提供了一种液压成形方法，其中，在管端部从其上伸出的状态下将金属管放置在下模上，并通过密封冲头的内部将加压流体注入金属管，并逐渐压入对金属管的管端密封冲压以施加预定的压力，并用加压流体填充金属管的内部以施加预定的内部压力，接下来，在施加内部压力和压力的状态下，降低上模并关闭模具以使管变形，并且在管端从模具伸出的状态下结束处理，并且进一步在关闭模具之后提高金属管内的压力并结束成形操作以及使用这些方法加工的液压成型产品，并且在纵向方向上在整个长度上具有凸缘。

10. 发明申请

US20100011832A1 APPARATUS AND METHOD FOR RAM BENDING OF TUBE MATERIAL 有权
标题翻译：用于管材的RAM弯曲的装置和方法
公开(公告)号：US20100011832A1
公开(公告)日：2010-01-21
申请号：US12449616
申请日：2007-10-16
申请人： Masaaki Mizumura , Yukihisa Kuriyama
发明人： Masaaki Mizumura , Yukihisa Kuriyama
IPC分类号： B21D9/04
CPC分类号： B21D7/06 , B21D7/066 , B21D9/04
摘要： The present invention provides a new bending apparatus and bending method of a tube material which makes it possible to achieve all of bending by a large bending radius not requiring large scale equipment or die, bending resistant to wrinkling and buckling at an inner side of the bending, and bending with a high productivity, that is, a ram bending apparatus using a punch 12 and a set of rolls 13, 13 for three-point bending of a tube material wherein the punch 12 has a groove 12a of a width of the width of a circular tube 11 or more and wherein the set of rolls 13, 13 are supported by a frame 14. The rolls 13, 13 can freely move on the frame 14 in directions away from each other in a state contacting the punch 12. The frame 14 has a hollow space 14a enabling free movement of the descending punch 12 and the circular tube 11 bent along with this during the bending of the circular tube 11.
摘要翻译：本发明提供了一种管材的新的弯曲装置和弯曲方法，其能够通过不需要大型设备或模具的大的弯曲半径来实现所有弯曲，并且能够抵抗弯曲内侧的起皱和弯曲，并且以高生产率弯曲，即使用冲头12的冲头弯曲装置和用于管材三点弯曲的一组辊13,13，其中冲头12具有宽度为宽度的凹槽12a 的圆管11或更多，并且其中一组辊13,13由框架14支撑。辊13,13可以在与冲头12接触的状态下在彼此远离的方向上在框架14上自由移动。框架14具有中空空间14a，使得下降的冲头12和圆形管11能够在圆形管11的弯曲期间随之一起弯曲而自由运动。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式