公开(公告)号：US20040255639A1

公开(公告)日：2004-12-23

申请号：US10876163

申请日：2004-06-23

Inventor： Steve Altman

IPC: B21D011/00

CPC classification number: B21D1/145

Abstract: A pulling tool equipped with an attachment mechanism is provided to provide tension to pair of pulling tools, and includes a pulling bar formed with multiple attachment ports. Each pulling tool is equipped with a pulling chain or cord that extends between an attachment port on the pulling bar and the pulling tool. The pulling tools may be attached along the length of the wheel well to exert a tension force in two different locations.

Abstract translation: 提供了具有附接机构的牵引工具，以对拉动工具提供张力，并且包括形成有多个附接端口的拉杆。 每个牵引工具配备有拉链或绳索，其在牵引杆上的附接端口和牵引工具之间延伸。 牵引工具可以沿着车轮的长度安装以在两个不同的位置施加张力。

公开(公告)号：US20040200254A1

公开(公告)日：2004-10-14

申请号：US10837927

申请日：2004-05-03

Applicant: General Motors Corporation

Inventor： Gary A. Kruger ,  John E. Carsley ,  Nelson T. Brinas

IPC: B21D011/00

CPC classification number: B21D26/055 ,  B21D5/00

Abstract: A bending apparatus for bending and transporting an aluminum metal sheet. The bending apparatus includes a central retaining portion that has gripping elements mounted on the central retaining portion for retaining an aluminum metal sheet. There is also included a bending mechanism that is mounted to the central retaining portion. The bending mechanism is capable of axial movement in relation to a central axis of the central retaining portion for imparting a curvature to an aluminum metal sheet. There is also included a method of stretch forming an aluminum metal sheet including the steps of heating an aluminum metal sheet in an oven, transferring the heat of an aluminum sheet to a hot forming tool, bending the heated aluminum sheet during the transfer step to conform the sheet to a shape of the hot forming tool, and then placing the bent metal sheet in the hot forming tool and forming an A-shaped part.

Abstract translation: 一种用于弯曲和输送铝金属片的弯曲装置。 弯曲装置包括中央保持部分，其具有安装在中心保持部分上用于保持铝金属片的夹紧元件。 还包括安装到中心保持部分的弯曲机构。 弯曲机构能够相对于中心保持部分的中心轴线轴向移动，以向铝金属片施加曲率。 还包括拉伸成形铝金属片的方法，包括以下步骤：在炉中加热铝金属片，将铝片的热量转移到热成形工具，在转印步骤期间弯曲加热的铝片以使其符合 将该片材变成热成形工具的形状，然后将弯曲的金属片放置在热成形工具中并形成A形部分。

公开(公告)号：US20040129049A1

公开(公告)日：2004-07-08

申请号：US10715862

申请日：2003-11-19

Inventor： Alessandro Caporusso

IPC: B21D011/00

CPC classification number: B21D11/06 ,  Y10T29/50

Abstract: A curling machine provided with an adjusting device for evenly winding elongated workpieces into spirals, comprises a machine frame (1) sustaining a horizontal worktable (2); a vertical axis mandrel for a curling tool (4) and provided with counteracting means (26) of elongated workpieces passing through said worktable (2). The counteracting means (26) is connected to an actuator in the form of an oleodynamic cylinder (26) which is fixed on the worktable (2) and provided with a rod (23) carrying a tool holder (24) in the free end of the rod, said vertical axis mandrel (3) being removable from the horizontal worktable (2).

Abstract translation: 一种设置有用于将细长工件均匀地卷绕成螺旋状的调节装置的卷边机，包括：维持水平工作台（2）的机架（1）; 用于卷边工具（4）的垂直轴心轴，并设置有穿过所述工作台（2）的细长工件的对抗装置（26）。 反作用装置（26）连接到油压缸（26）形式的致动器，所述致动器固定在所述工作台（2）上并且在所述工作台（2）的自由端中设置有承载工具架（24）的杆（23） 所述杆，所述垂直轴心轴（3）可从所述水平工作台（2）移除。

公开(公告)号：US20040079131A1

公开(公告)日：2004-04-29

申请号：US10429113

申请日：2003-05-01

Inventor： Daniel Perruccio

IPC: B21D011/00

CPC classification number: B21D11/00 ,  B21D5/00

Abstract: A sheet metal bending tool for bending materials, such as flat metal sheets is disclosed. The tool has a restraining base for receiving and cooperatively holding a sheet metal workpiece and the tool has a bending component that is rotatably mounted to the restraining base, the workpiece is held, cooperating with the restraining base component, and the clamp bar for stabilizing the workpiece while the workpiece is held and bent by the rotating action of the bending component. In the preferred embodiment, the workpiece is restrained by a template comprising a pattern of holes drilled, a hole receiving a peg or means of stop, the stops (pegs) constraining the workpiece from movement while being bent act like a jig for measuring and predetermined incumbents. Holes are also drilled in restraining base and in the bending component at spaced intervals along lines that are run parallel to the line defined by the intersection of the bending component and the restraining base. There is a pull back bar that is used for the process of cutting. The Unit can be clamped down also. Rulers are installed on the clamp bar, and the slide table. The apparatus is designed so that two or more may be joined together to form a larger apparatus for the purpose of bending larger workpieces.

Abstract translation: 公开了一种用于弯曲材料的金属板弯曲工具，例如平板金属板。 该工具具有用于接收和协同地夹持钣金工件的限制基座，并且该工具具有可旋转地安装到限制基座的弯曲部件，工件被保持，与限制基部部件协作，并且用于稳定 工件通过弯曲部件的旋转动作保持和弯曲。 在优选实施例中，通过包括钻孔图案，接收钉或孔止动件的模板来限制工件，在弯曲时约束工件不受运动的止动件（栓钉）像用于测量和预定的夹具 在职者 还在限制基部和弯曲部件中以间隔开的间隔沿着与由弯曲部件和限制基部的交叉点相交的线平行延伸的线钻孔。 有一个用于切割过程的拉杆。 该单元也可以被夹紧。 标尺安装在夹杆和滑台上。 该设备被设计成使得两个或更多个可以连接在一起以形成用于弯曲较大工件的更大的设备。

公开(公告)号：US20030159491A1

公开(公告)日：2003-08-28

申请号：US10375506

申请日：2003-02-26

Inventor： Leo H. Stalzer

IPC: B21D011/00

CPC classification number: B21D5/04 ,  B21D19/043

Abstract: A centerless sheet metal bending machine is provided for forming cleats in sheet metal. The machine includes a housing having a table upon which a piece of sheet metal can be supported. The housing has a mouth through which the sheet metal can be extended and a gap between an end of the table and the mouth. The machine includes a clamping assembly for holding said sheet metal in place and a bending assembly for forming bends (cleats) in the sheet metal. The clamping assembly comprises a hold down bar and a table bar having a clamping surface. The table bar is link driven between an open position in which the clamping surface of the table bar is spaced from the hold down bar and a closed position in which the table bar clamping surface is positioned beneath the hold down bar. The bending assembly comprising a bending bar mounted on a gear segment which rides in a curved track. The gear segment defines an arch of less than 360null and the track defines a slot so that the machine, when in the start position, can accept sheet metal having a width greater than the width of the machine. To facilitate the bend, the bending bar bending surface defines an obtuse angle with the table bar clamping surface and a complimentary acute angle with the horizontal. The acute angle is preferably less than about 20null.

Abstract translation: 提供一种无心金属板材弯曲机，用于在金属板材中形成防滑板。 机器包括具有桌子的外壳，可以支撑一块金属片。 壳体具有一个口，通过该口可以使金属片延伸，并且在桌子的端部和嘴部之间形成间隙。 该机器包括用于将所述金属板保持在适当位置的夹紧组件和用于在金属板材中形成弯曲部（夹板）的弯曲组件。 夹紧组件包括压紧杆和具有夹紧表面的台杆。 台杆在打开位置之间被链接驱动，在该打开位置中，台杆的夹紧表面与压紧杆间隔开，而关闭位置，桌面夹紧表面位于压杆下方。 弯曲组件包括安装在齿轮段上的弯曲杆，该齿轮段骑在弯曲的轨道中。 齿轮段限定小于360°的拱形，并且轨道限定槽，使得当处于起始位置时，机器能够接受宽度大于机器宽度的金属板。 为了方便弯曲，弯曲杆弯曲表面与台杆夹紧表面形成钝角，并与水平面形成互补的锐角。 锐角优选小于约20°。

公开(公告)号：US20030106359A1

公开(公告)日：2003-06-12

申请号：US10016775

申请日：2001-12-10

Inventor： Takahisa Miura

IPC: B21D011/00

CPC classification number: B21D39/021 ,  Y10T29/53791

Abstract: A hemming unit may include a hemming tool, an actuator for moving the hemming tool, and a link mechanism connecting the actuator and the hemming tool. Therefore, the hemming tool can be moved by the actuator by means of the link mechanism to perform a hemming operation. A hemming apparatus may include at least one hemming unit, a workpiece support for supporting a workpiece during the hemming operation, and a workpiece holder for holding the workpiece in position relative to the workpiece support during the hemming operation.

Abstract translation: 折边单元可以包括折边工具，用于移动折边工具的致动器以及连接致动器和折边工具的连杆机构。 因此，折边工具可以由致动器借助连杆机构移动，以进行卷边操作。 折边装置可以包括至少一个折边单元，用于在卷边操作期间支撑工件的工件支撑件和用于在折边操作期间相对于工件支撑件将工件保持在适当位置的工件保持器。

公开(公告)号：US20030037585A1

公开(公告)日：2003-02-27

申请号：US10239260

申请日：2002-09-20

Inventor： Yves Latour

IPC: B21D011/00

CPC classification number: B21D7/022

Abstract: A machine for high rate serial bending of a tube includes a bending head provided with a radius block and a backing block including, at the periphery, a groove with a semicircular cross-section and a driver for the backing block in rotation coaxial to the radius block, so as to drive the tube to be bent and wind it on the radius block. The radius block includes a disc including a beveled panel arranged along a chord of the disc and it includes device for moving the bending head relative to the axis of the tube along a path passing through the pins of the radius block and the backing block and a device for axially rotating the radius block independently from the displacement of the backing block.

Abstract translation: 一种用于管子的高速串联弯曲的机器包括设置有半径块和背衬块的弯曲头，所述弯曲头在周边处包括具有半圆形横截面的凹槽和用于背衬块的驱动器，其与半径同轴旋转 块，以便驱动管弯曲并将其卷绕在半径块上。 该半径块包括一个圆盘，该圆盘包括一个沿着盘的和弦布置的斜面板，并且它包括用于相对于管的轴线沿着通过半径块和背衬块的销的路径移动弯曲头的装置和 独立于背衬块的位移而轴向旋转半径块的装置。

公开(公告)号：US20030029215A1

公开(公告)日：2003-02-13

申请号：US10239733

申请日：2002-09-25

Inventor： Yves Latour

IPC: B21D011/00

CPC classification number: B21D11/14 ,  B21F1/00 ,  B21F1/006 ,  B21F7/00

Abstract: The invention concerns a machine for bending and twisting flat metal wire for producing a motor vehicle wiper arm. It comprises means (3) feeding and maintaining the wire (2), and at least means (51) capable of gripping and releasing the wire (2) in output of the feeding and maintaining means (3), and which is, under the action of driving means associated with transmission means, mobile in several directions, rotating (V) about the axis (X) moving the wire (2), and moving, in one direction or another, in a direction (P) perpendicular to the surfaces (20) of the wire (2).

Abstract translation: 本发明涉及一种用于弯曲和扭转用于制造机动车辆刮水器臂的扁平金属线的机器。 它包括供给和保持电线（2）的装置（3）和至少能够在馈电和保持装置（3）的输出中夹紧和释放电线（2）的装置（51） 与传动装置相关联的驱动装置的作用，在多个方向移动，围绕移动导线（2）的轴线（X）旋转（V），并且沿垂直于表面的方向（P）沿一个方向或另一个方向移动 （2）的（20）。

公开(公告)号：US20020121123A1

公开(公告)日：2002-09-05

申请号：US09875089

申请日：2001-06-07

Inventor： Mitsuo Matsuoka

IPC: B21D011/00

CPC classification number: B21D5/04 ,  B21D19/086 ,  B21D22/08

Abstract: The present invention aims to eliminate the need for the timing adjustment of the air cylinder operation at the time of pressing operation and to simplify the piping necessary for the air cylinder. The present invention provides a rotary cam driving apparatus for a negative-angle forming die comprising a lower die half having a supporting portion for placing a sheet metal work, and an upper die half to be lowered straightly downward onto the lower die half for forming the work, an intrusion forming portion formed in the lower die half at an edge portion near the supporting portion inward of a downward stroke line of the upper die half, a rotary cam rotatably provided in the lower die half, a slide cam including an intrusion forming portion and slidably opposed to the rotary cam, and an automatic retractor provided in the lower die half for pivoting the rotary cam back to a position thereby allowing the work to be taken out of the lower die half after a forming operation, the work placed on the supporting portion of the lower die half being formed by the intrusion forming portion of the rotary cam and the intrusion forming portion of the slide cam, the slide cam forming the work by sliding, the automatic retractor pivoting back the rotary cam after the forming operation for allowing the work to be taken out of the lower die half, wherein the rotary cam has two ends each including a supporting shaft projecting therefrom, the supporting shafts being supported by the lower die half for rotatably supporting the rotary cam, a center portion of a cam follower arm being fastened to the supporting shaft, an end of the cam follower arm being connected to a piston rod of a cylinder provided in the lower die half, another end of the cam follower arm being contacted with a driver provided in the upper die half.

Abstract translation: 本发明的目的在于消除在按压操作时对气缸操作的定时调节的需要，并且简化气缸所需的管道。 本发明提供了一种用于负角成形模具的旋转凸轮驱动装置，其包括具有用于放置金属板加工件的支撑部分的下半模半部分，以及将上模具半体向下直接下降到下半模上以形成 工件，形成在下模具半部中的入口形成部分，其在靠近上模具的向下行程线的支撑部分的边缘部分处，可旋转地设置在下模具半部中的旋转凸轮，包括入侵成形 并且可旋转凸轮可滑动地与旋转凸轮相对的自动牵引器，以及设置在下半模中的自动牵缩器，用于将旋转凸轮转回到位置，从而允许工件在成形操作之后从下半模中取出， 下半模的支撑部分由旋转凸轮的入侵形成部分和滑动凸轮的入侵形成部分形成，滑动凸轮形成工件b 自动牵引器在成形操作之后将旋转凸轮枢转以允许工件从下模具中取出，其中旋转凸轮具有两个端部，每个端部均包括从其突出的支撑轴，支撑轴由 用于可旋转地支撑旋转凸轮的下半模，凸轮从动臂的中心部分紧固到支撑轴，凸轮从动臂的端部连接到设置在下半模中的气缸的活塞杆，另一个 凸轮从动臂的端部与设置在上半模中的驱动器接触。

公开(公告)号：US20020116976A1

公开(公告)日：2002-08-29

申请号：US09793422

申请日：2001-02-27

Inventor： William Patrick

IPC: B21D011/00

CPC classification number: B21D39/021 ,  Y10T29/53791

Abstract: A hemming assembly and method for joining the edges of a pair of panels together includes a main die supporting edges of the two panels, a pre-hem slide supporting a pre-hem tool, a final die holder supporting a final die, and at least one drive to move the tool and die for pre-hemming and final hemming, respectively. A mechanism guides the pre-hem slide first vertically for at least partial pre-hemming, and then at an angle to expose the pre-hemmed edges for final hemming. Vertical travel of the pre-hem tool against the edges produces a superior and less distorted joint, and pre-hemming and final hemming can be performed in one overall stroke. A number of assemblies can be arranged to pre-hem and final hem a number of edges.

Abstract translation: 用于将一对面板的边缘连接在一起的折边组件和方法包括支撑两个面板的边缘的主模具，支撑预卷边工具的前摆式滑块，支撑最终模具的最终模具座，并且至少 一个驱动器分别移动工具和模具，用于预折边和最终折边。 一种机构首先垂直引导前置摆片滑动至少部分预先折边，然后以一定角度将前边缘边缘曝光以进行最终折边。 前缘下摆工具相对于边缘的垂直行程产生优异且较小扭曲的接头，并且可以在一个整体行程中执行预折边和最终折边。 可以将多个组件布置成前边缘和最后边缘的多个边缘。