JP2007210029A - Apparatus and method for bending side of body panel for vehicle and body panel for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for bending the side of a body panel for vehicles by which the finished shape and the accuracy of the body panel the end part of which is bent are improved and the body panel for vehicles. <P>SOLUTION: The body panel 1 for vehicles is supported from below with a supporting member 4, pressed from above with a pad member 7 and there are a plurality of parts 1A, 1B to be bent in the end parts of the body panel 1. Side bending means 11, 12 provided with punching members 35, 45 are arranged in every part, the punching members 35, 45 are moved in the inward and the outward directions of the body panel 1 by driving means 30, 42 for the punching members the side bending means 11, 12 have and these driving means 30, 42 are independent means which are not mechanically connected to a ram which is a member for lifting and lowering the pad member 7. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an apparatus and method for side-bending an end portion of a vehicle body panel, and a vehicle body panel whose end portion is side-bended, and can be used, for example, in a front fender of a four-wheel vehicle. It is.

  The front fender, which is the body panel of a four-wheeled vehicle, is located adjacent to the front grille where the headlights are arranged, the hood hood, and the front door, thus forming the outer surface of the four-wheeled vehicle. Among the plurality of body panels, it is an important member that forms a part to be called the face of a four-wheel vehicle. Of the end part of the entire circumference of the front fender, the part adjacent to the front grille, bonnet, and front door is bent from the outside to the inside to form a so-called inverse shape. The front door has a good parting shape and rainwater leakage prevention, and the wheel arch where the front wheel is located near the end of the entire circumference of the front fender Bend to

  In order to bend the end portion of the body panel from the outside to the inside in this way, conventionally, the body panel is supported by the support member from the bottom, and the body panel is formed by a punch member member attached to the lifting member that moves up and down. Is pressed from above, the body panel is sandwiched between the support member and the pad member, and the portion to be bent of the body panel is placed on the inside of the body panel, and the die member cooperates with the die member. It is bent by the punch member that works.

  In order to bend the end portion of the body panel from the outside to the inside in this way, in the conventional technique shown in Patent Document 1 below, a spring is interposed in the ram serving as the lifting member of the press machine. A pad member is attached, an upper die is attached to the ram, a cam driver portion is provided on the ram, and the upper die is lowered by the ram so that a slide cam member provided with a punch member is attached to the die member by the cam driver portion. Thus, the end portion of the body panel sandwiched between the pad member and the support member is bent by the cooperation of the punch member and the die member. Also, when removing the body panel after bending, the upper die is lifted by a ram, the pad member is separated and moved upward from the body panel, and the punching force is generated by the elastic force of the return spring compressed at the time of bending. The slide cam member provided with the member is moved back to the position before bending.

  For this reason, in Patent Document 1, the driving means for moving the punch member for bending the end of the body panel from the outside to the inside of the body panel in cooperation with the die member is an elevating member. It is constituted by a slide cam mechanism that uses the raising and lowering movement of the ram as a drive source, and is mechanically connected to the ram. According to the drive means by this slide cam mechanism, the punch member can be moved in and out of the body panel in conjunction with the up and down movement of the ram, so the end of the body panel for mass-produced vehicles that are produced in large numbers is bent. Although it is suitable for processing, on the other hand, it becomes complicated and expensive, so it is necessary to bend the end of the body panel for a prototype vehicle with a small number of units produced. Not suitable for.

In order to bend a body panel for a prototype vehicle, conventionally, a punch member that moves with a cylinder or the like and a die member are prepared for each of a plurality of bent portions of the body panel. Each time the material was bent, the punch member and the die member were exchanged, the direction of the body panel was reset, and each bent portion was bent individually.
JP-A-8-318316

  According to this, since the orientation of the body panel is reset every time one bent portion is bent, it is difficult to improve the finished shape and accuracy of the body panel whose end portions are bent. When the body panel whose end is bent is the front fender, as described above, the front fender is an important member that forms a part to be called the face of a four-wheel vehicle. It is required to be able to accurately estimate the finished exterior shape of a mass-produced vehicle at the prototype vehicle production stage. For this reason, the front fender for the prototype vehicle must be bent accurately according to the design drawing. Is required.

  An object of the present invention is to provide a side bend processing device for a vehicle body panel, a processing method thereof, and a vehicle body panel for the vehicle body panel in which the finished shape and accuracy of the vehicle body panel whose end portions are bent can be improved. There is to offer.

  A bending apparatus for a vehicle body panel according to the present invention is attached to a support member that supports the vehicle body panel from below and a lifting member that moves up and down to sandwich the vehicle body panel together with the support member. The vehicle body panel by cooperating a pad member for pressing the vehicle body panel from above and a die member disposed on the inner side of the vehicle body panel. In a side bend processing apparatus for a vehicle body panel having a punch member for bending from the outside of the panel to the inside, the bending portion includes a plurality of bending portions, and each of the bending portions includes the punch member. Side bend processing means are arranged, and the punch member of these side bend processing means is provided for each side bend processing means. The punch member drive means is moved inward and outward of the vehicle body panel, and these punch member drive means are independent drive means that are not mechanically connected to the elevating member. It is a feature.

  According to the apparatus of the present invention, the side bend processing means provided with the punch member is arranged for each bent portion of the end portion of the vehicle body panel, and the direction of the vehicle body panel is changed by these side bend processing means. Since the respective bent portions can be bent without resetting, the finished shape and accuracy of the vehicle body panel whose end portions are bent can be improved.

  Each side bend processing means provided with a punch member is provided with a punch member driving means for moving the punch member in and out of the vehicle body panel. Since it is an independent drive means that is not mechanically connected to the elevating member to which the member is attached, the entire apparatus according to the present invention can be manufactured simply and inexpensively. For this reason, the device according to the present invention is suitable for bending the end portion of the vehicle body panel for a prototype vehicle with a small number of production, and the device according to the present invention is, of course, a mass-produced vehicle. It can also be used to bend the end of the vehicle body panel.

  The punch member driving means can be configured by using an arbitrary actuator, and this actuator may be a cylinder or an electric motor.

  The apparatus according to the present invention can also be configured as a single apparatus by itself, and the apparatus according to the present invention can be configured in combination with a press machine.

  That is, when the apparatus according to the present invention is configured in combination with a press machine, the support member is disposed on a bolster of the press machine, and the elevating member is a ram that moves up and down of the press machine. it can.

  Further, the die member may be prepared for each side bend processing means, or may be a member common to a plurality of side bend processing means.

  Further, at least one die member of the plurality of die members is punched by the side bend processing means by the die member driving means disposed on the side bend processing means having the die member. The die member drive means may be an independent drive means that is not mechanically connected to the elevating member.

  According to this, since this die member drive means is also an independent drive means that is not mechanically connected to the elevating member to which the pad member is attached, like the punch member drive means. The entire apparatus can also be manufactured at a low cost with a simple structure with respect to the die member driving means.

  The die member driving means can be configured by using an arbitrary actuator, and this actuator may be a cylinder or an electric motor.

  Further, the side bend processing means having a die member that is advanced and retracted by the die member driving means includes a die member and a position where the end of the vehicle body panel is bent by the die member in cooperation with the punch member. Stop means for stopping in a fixed state may be arranged.

  According to this, when the punch member moves forward to the position where the end of the vehicle body panel is bent by the punch member driving means, the punch member strongly contacts the die member via the end of the vehicle body panel. Even if they come into contact with each other, the stop means can prevent the die member from moving due to the contact force at this time, and thereby the end of the vehicle body panel can be accurately shaped by the cooperation of the punch member and the die member. Can be bent.

  Further, among the plurality of die members, one die member may be a stationary die member, and the remaining die members may be advanced and retracted by the die member driving means.

  Thus, when one die member is used as an immobile die member, this immobile die member may be used as the support member.

  According to this, the support member for supporting the vehicle body panel from below and the single die member can be made common, and the number of necessary members can be reduced accordingly.

  Further, a plurality of punch members are detachably held on the punch member holding members provided in the side bend processing means, and the punch member holding members are used to bend the bent portions into different shapes. You may enable it to hold | maintain an individual punch member so that replacement | exchange is possible.

  According to this, each side bend processing means and punch member holding member can be used in common for a plurality of punch members for bending a bent portion into different shapes. Can be achieved.

  Furthermore, each punch member is held by a punch member holding member provided in the side bend processing means, and at least one of these punch members in the circumferential direction of the vehicle body panel. You may make a width dimension larger than the width dimension in the circumferential direction of the body panel for vehicles about the holding member for punch members holding this punch member.

  According to this, since the length in the circumferential direction of the vehicle body panel is long for at least one of the plurality of bent portions, the punch member for bending the bent portion is provided. Even when the width dimension becomes large, the width dimension of the punch member holding member for holding the punch member can be reduced, so that the size of the side bend processing means can be reduced.

  Further, the die member that is advanced and retracted by the die member driving means is detachably held by the die member holding member disposed in the side bend processing means provided with the die member, and the die member holding member is A plurality of die members for bending the bent portion into different shapes may be held interchangeably.

  According to this, each of the side bend processing means and the die member holding member can be used in common for a plurality of die members for bending a bent portion into different shapes. Combined use can be achieved.

  Further, the die member that is advanced and retracted by the die member driving means is held by a die member holding member disposed in a side bend processing means including the die member, and the periphery of the vehicle body panel with respect to the die member. You may make the width dimension in a direction larger than the width dimension in the circumferential direction of the vehicle body panel about the holding member for die members.

  According to this, since the length in the circumferential direction of the body panel for the vehicle is long for the bent portion that is bent by the die member that is advanced and retracted by the drive means for the die member, the width dimension of the die member is increased. Even in this case, since the width dimension of the die member holding member can be reduced, the side bend processing means can be reduced in size.

  The die member holding member may be advanced and retracted by the die member driving means, and the punch member driving means may be disposed above the die member holding member.

  According to this, since the die member holding member and the punch member driving means are arranged in a vertical positional relationship, the side bend processing means configured to include these die member holding member and punch member driving means. Can be configured as a compact means having a reduced size in the width direction, which is the circumferential direction of the vehicle body panel, so that a plurality of side bends for bending the end of the vehicle body panel can be formed. The processing means can be easily arranged around the vehicle body panel.

  Further, the die member holding member is advanced and retracted by the die member driving means as described above, the punch member driving means is disposed above the die member holding member, and the die member is advanced and retracted by the die member driving means. When a stop means for stopping the die member holding member in a fixed state at a position where the bending portion is bent by the punch member and the die member is disposed in the side bend processing means provided with the member. In this case, it is preferable that the stop means is disposed below the die member holding member with a vertical orientation component.

  According to this, even if the stop means is composed of a cylinder or the like having a length, the stop means is disposed below the die member holding member with an orientation component in the vertical direction. Even if the means is included, the side bend processing means can be configured as a small-sized means in which the dimension in the width direction is reduced.

  Further, at least one side bend processing means of the plurality of side bend processing means is formed by arranging a plurality of side bend processing machines in the circumferential direction of the vehicle body panel, and these side bend processing means The punch member in the processing machine may be a single punch member spanned over these side bend machines.

  According to this, even if at least one bent portion of the plurality of bent portions has a long length in the circumferential direction of the vehicle body panel, the long bent portion is bent. Since the side bend processing means for forming a plurality of side bend processing machines can be formed side by side in the circumferential direction of the vehicle body panel, the size of the vehicle body panel in the circumferential direction has increased. It is not necessary to manufacture one large side bend processing means, and therefore, the side bend processing means can be easily manufactured. The long bent portion is bent by a single punch member spanned by a plurality of side bend processing machines arranged in parallel in the circumferential direction of the vehicle body panel. Can be bent into an accurate shape.

  Further, at least one side bend processing means among the plurality of side bend processing means is formed by arranging a plurality of side bend processing machines in the circumferential direction of the vehicle body panel, When the punch member in the side bend processing machine is a single punch member spanned by these side bend machines, the interval between the plurality of side bend processing machines in the circumferential direction of the vehicle body panel is adjusted. Preferably it is possible.

  According to this, by adjusting the interval between the plurality of side bend processing machines in the circumferential direction of the vehicle body panel, by replacing the punch members spanned between these side bend processing machines with ones having different width dimensions, It becomes possible to perform bending for another vehicle body panel provided with a bent portion having different lengths in the circumferential direction of the vehicle body panel, and the versatility of the apparatus according to the present invention is improved. .

  In addition, adjusting the intervals of the plurality of side bend processing machines arranged side by side in the circumferential direction of the vehicle body panel, as an example, these side bend processing machines can be installed on the means and members installed thereon. It can implement | achieve by installing on the adapt member which can change a position arbitrarily.

  Further, when the apparatus according to the present invention is provided with a lateral direction pressing means for pressing the vehicle body panel against the support member from the lateral direction, at least one side of the plurality of side bend processing means is provided. It is preferable to arrange this lateral pressing means in the bend processing means.

  According to this, at least one side bend processing means among the plurality of side bend processing means is provided with this lateral direction pressing means. For this reason, the lateral direction pressing means is used as a part of the side bend processing means. Accordingly, the entire apparatus according to the present invention can be simplified.

  The lateral direction referred to here may be an accurate horizontal direction or a direction inclined with respect to the accurate horizontal direction.

  The vehicle body panel according to the present invention has an end portion subjected to side bend processing by the vehicle body panel side bend processing apparatus described above.

  According to the vehicle body panel side bend processing method of the present invention, the vehicle body panel supported from below by the support member is pressed by the pad member from above, so that the vehicle body panel is moved from the support member to the pad. A clamping step for clamping with a member, a punch member that moves an end of the vehicle body panel from the outside to the inside of the vehicle body panel, and an inside of the vehicle body panel A bending step for bending the vehicle body panel from the outside to the inside by the die member, and moving the punch member from the inside to the outside of the vehicle body panel, and the pad member for the vehicle A vehicle body including a detaching step for separating and moving the vehicle body panel from the support member by separating and moving upward from the body panel. In the panel side bend processing method, there are a plurality of bending portions, and the bending step performed before the removing step is performed by the punch member and the die member prepared for each of the bending portions. The punch members are moved inward and outward of the vehicle body panel by driving means that does not use the raising / lowering movement of the pad member as a driving source.

  According to the method of the present invention, each bent portion of the end portion of the vehicle body panel is bent by a punch member and a die member prepared for each bent portion. Each bending portion can be bent without resetting the direction of. For this reason, the finished shape and accuracy of the vehicle body panel whose end portions are bent can be improved.

  The vehicle body panel according to the present invention is such that the end portion is side-bended by the side-bending method of the vehicle body panel described above.

  The present invention can be used to bend an end portion of an arbitrary vehicle body panel, and an example of the vehicle body panel is a front fender of a four-wheel vehicle.

  According to the present invention, it is possible to obtain an effect that the finished shape and accuracy of the vehicle body panel whose end portions are bent can be improved.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated based on drawing. A vehicle body panel 1 according to the present embodiment shown in FIG. 1 is a front fender for a prototype vehicle of a four-wheel vehicle. The body panel 1 is manufactured by trimming a press-formed product obtained by drawing a steel plate. The body panel 1 is set on a plate-shaped adapting member 2 shown in FIGS. 1 and 2, and this adapting member 2 is installed on the bolster 3 of the press machine shown in FIG. ing. That is, the body panel 1 is set in a press machine because predetermined portions of the end portions over the entire circumference are bent from the outside to the inside so that these portions have a so-called inverse shape. .

  As shown in FIG. 2, the adapter member 2 is provided with a support member 4 that supports the body panel 1 from below. In other words, the support member 4 is disposed via the adapt member 2 on the bolster 3 of the press machine. A pad member 7 is attached downward to the ram 5 that moves up and down of the press machine via a space member 6. When the ram 5 is lowered, the pad member 7 presses the body panel 1 from above, and the support member 4. The body panel 1 is clamped by the pad member 7.

  FIG. 1 shows four side bend processing means 11 to 14 for bending the end portion of the body panel 1 sandwiched between the support member 4 and the pad member 7, and FIG. It is a top view which shows the layout of these side bend processing means 11-14 in the adapt member 2. FIG. In FIG. 1, the support member 4 is omitted.

  The adapter member 2 is formed with a large number of holes into which a coupling member such as a bolt or a positioning member such as a positioning pin can be inserted. For this reason, the adapter member 2 is positioned on the adapter member 2 by the positioning member and coupled by the coupling member. Arrangement positions of means, machines, devices, members and the like can be arbitrarily changed.

  Among the end portions over the entire circumference of the body panel 1, there are a first portion 1A which is a wheel arch portion where the front wheel is arranged nearby, a second portion 1B which is adjacent to a hood which is a hood, a front door, There is an adjacent third portion 1C and a fourth portion 1D adjacent to the front grille on which the headlight is disposed. These portions 1 </ b> A to 1 </ b> D are bending portions of the body panel 1, the first portion 1 </ b> A is bent by the first side bend processing means 11, and the second portion 1 </ b> B is the second side bend processing means 12. The third portion 1C is bent by the third side bend processing means 13, and the fourth portion 1D is bent by the fourth side bend processing means 14.

  The second side bend processing means 12 is constituted by two side bend processing machines 12A and 12B arranged in parallel in the circumferential direction of the body panel 1.

  FIG. 2 is a longitudinal sectional view of the press machine showing the first side bend processing means 11 and the second side bend processing means 12, and FIG. 4 is a view of the press machine showing the third side bend processing means 13. FIG. 6 is a longitudinal sectional view of the press machine showing a portion of the fourth side bend processing means 14.

  As shown in FIGS. 2, 4, and 6, the base members 20, 40, 60, and 80 of the side bend processing means 11 to 14 are adapted to the adapter members via the sub members 19, 39, 59, and 79. These sub-members 19, 39, 59, and 79 are mounted on the base plate 2 and are positioned and coupled to the base members 20, 40, 60, and 80 by a positioning member such as a coupling tool such as a bolt or a positioning key. Each of the side bend processing means 11 to 14 is fixedly installed on the adapt member 2 by being positioned on the adapt member 2 by the positioning member such as the positioning pin described above and coupled by a coupling tool such as a bolt. Further, by changing the arrangement positions of the sub members 19, 39, 59, 79 on the adapt member 2, each side bend in the adapt member 2 is changed. The position of the engineering unit 11-14, is adapted to be adjusted to a position corresponding to the shape of the body panel 1.

  The sub-member 39 of the second side bend processing means 12 may be provided for each of the side bend processing machines 12A, 12B forming the second side bend processing means 12, and these side bend processing machines 12A, 12B, It is good also as one thing which became common about 12B.

  The first side bend processing means 11 shown in FIG. 2 includes a base member 20 installed on the adapt member 2 via the sub member 19, a bracket member 21 coupled to the base member 20, A die member holding member 22, which is slidably supported by the guide member 20 </ b> A of the base member 20 on the bracket member 21, and a die member 23 held at the tip of the holding member 22. The die member 23 is disposed inside the body panel 1 on the lower side of the body panel 1. A die member driving means 25 attached to the bracket member 21 with an attachment member 24 is connected to the rear end portion of the die member holding member 22. The driving means 25 is composed of a cylinder 26, and a piston rod 26 </ b> A of the cylinder 26 is coupled to the rear end portion of the die member holding member 22. For this reason, the die member holding member 22 and the die member 23 are slidably moved forward and backward with respect to the punch member 35 described later by the cylinder 26.

  As shown in FIG. 3, when the die member holding member 22 and the die member 23 reach the position where the first portion 1 </ b> A is bent by the cylinder 26, as shown in FIG. 3, the die member holding member 22. And the stop means 27 for stopping the die member 23 in the fixed state in the position is attached. The stop means 27 is constituted by a cylinder 28 in which a stop member 29 is coupled to a piston rod 28 </ b> A, and the stop member 29 is inserted into a recess 22 </ b> B formed on the lower surface of the die member holding member 22. Thus, the die member holding member 22 and the die member 23 are stopped in a fixed state at a position where the first portion 1A is bent. The cylinder 28 is disposed below the die member holding member 22 with a posture component in the vertical direction.

  Further, as shown in FIG. 2, a punch member driving means 30 is disposed above the die member holding member 22. The drive means 30 is a cylinder 33 attached to the upper surface of a base member 31 coupled to the bracket member 21 by an attachment member 32. As can be seen from FIGS. 2 and 3, the base member 31 is a base member 31. The slide portion 22C of the die member holding member 22 slidably moved by the cylinder 26 is guided by a guide portion 31A provided on the lower surface of the die member. A punch member holding member 34 is coupled to the tip of the piston rod 33A of the cylinder 33, and a guide portion 31B provided on the upper surface of the base member 31 guides the slide portion 34A. The punch member 35 for bending the first portion 1A in cooperation with the die member 23 is held. Therefore, the punch member holding member 34 and the punch member 35 are moved inward and outward of the body panel 1 by the cylinder 33.

  The second side bend processing means 12 shown in FIG. 2 includes a base member 40 installed on the adapting member 2 via the sub 39 and a punch member attached to the base member 40 with an attachment member 41. Drive means 42, and the drive means 42 is a cylinder 43. A punch member holding member 44 is coupled to the tip of the piston rod 43A of the cylinder 43, and the slide member 44A is guided by the guide portion 40A of the base member 40. The punch member 45 is held by the holding member 44. Yes. For this reason, the holding member 44 and the punch member 45 are moved inward and outward of the body panel 1 by the cylinder 43.

  As shown in FIG. 3, the support member 4 described above is bent by bending the second portion 1B in cooperation with the punch member 45 when the punch member 45 moves from the outside to the inside of the body panel 1. A concave portion 4A is formed. For this reason, the support member 4 is a member that also serves as a die member in the second side bend processing means 12, and the die member in the second side bend processing means 12 passes through the adapt member 2 to the bolster 3 of the press machine. This is a fixedly arranged member.

  The second side bend processing means 12 is provided with a lateral pressing means 50 for pressing the body panel 1 against the support member 4 from the lateral direction via the pad member 7 described above. The pressing means 50 includes a cylinder 52 attached to a bracket member 51 coupled to the upper end portion of the attachment member 41. A pressing member 53 is coupled to the tip of the piston rod 52 </ b> A of the cylinder 52, and the side surface of the pad member 7 when the pressing member 53 is sandwiched by the body panel 1 together with the support member 4 by the cylinder 52. By pressing, the body panel 1 is pressed against the support member 4 from the lateral direction via the pad member 7. Thereby, the body panel 1 when the four portions 1A to 1D are bent can be reliably fixed by the support member 4 and the pad member 7.

  In the second side bend processing means 12, the cylinders 43, 52 and the punch member holding member 44 are provided for each of the two side bend processing machines 12 A, 12 B constituting the side bend processing means 12. However, as shown in FIG. 1, the punch member 45 and the pressing member 53 are each one common to the two side bend processing machines 12 </ b> A and 12 </ b> B. For this reason, the punch member 45 is a long member whose width in the circumferential direction of the body panel 1 is large, and the pressing member 53 is a rod-shaped member that is long in the circumferential direction of the body panel 1. . The punch member 45 is spanned over the punch member holding members 44 of the two side bend processing machines 12A and 12B, and the pressing member 53 is spanned over the side bend processing machines 12A and 12B. It is arranged on the second side bend processing means 12.

  In addition, the pressing member 53 is good also as a short member or piece-shaped member which became every cylinder 52 of the two side bend processing machines 12A and 12B.

  The third side bend processing means 13 shown in FIG. 4 has a structure similar to that of the first side bend processing means 11.

  That is, the third side bend processing means 13 includes a base member 60 installed on the adapting member 2 via the sub member 59, a bracket member 61 coupled to the base member 60, and the bracket member 61. A die member holding member 62 in which the slide portion 62A is slidably supported by the guide portion 60A of the base member 60, and a die member 63 held at the tip of the holding member 62. The die member 63 is arranged on the inner side of the body panel 1 on the lower side of the body panel 1. A die member driving means 65 attached to the bracket member 61 by an attachment member 64 is connected to the rear end portion of the die member holding member 62, and the driving means 65 is constituted by a cylinder 66. A piston rod 66 </ b> A of 66 is coupled to the rear end portion of the die member holding member 62. For this reason, the die member holding member 62 and the die member 63 are slidably moved forward and backward with respect to the punch member 75 described later by the cylinder 66.

  As shown in FIG. 5, when the die member holding member 62 and the die member 63 reach the position where the third portion 1 </ b> C is bent by the cylinder 66 as shown in FIG. 5, the die member holding member 62 is provided. And the stop means 67 for stopping the die member 63 in the fixed state at the position is attached. The stop means 67 is constituted by a cylinder 68 in which a stop member 69 is coupled to a piston rod 68A. The stop member 69 is inserted into the recess 62B formed on the lower surface of the die member holding member 62 by the cylinder 68, so that the die member holding member 62 and the die member 63 are bent at the third portion 1C. Will stop in a fixed state. The cylinder 68 is disposed below the die member holding member 62 with a posture component in the vertical direction.

  Further, as shown in FIG. 4, punch member driving means 70 is disposed above the die member holding member 62. The drive means 70 is a cylinder 73 attached to an upper surface of a base member 71 coupled to a bracket member 61 by an attachment member 72. As can be seen from FIGS. 4 and 5, the base member 71 is a base member 71. The guide portion 71A provided on the lower surface of the die guides the slide portion 62C of the die member holding member 62 that slides on the cylinder 66. A punch member holding member 74 is coupled to the tip of the piston rod 73A of the cylinder 73, and the slide member 74A is guided by a guide portion 71B provided on the upper surface of the base member 71. A punch member 75 for bending the third portion 1C in cooperation with the member 63 is held. For this reason, the punch member holding member 74 and the punch member 75 are moved inward and outward of the body panel 1 by the cylinder 73.

  The fourth side bend processing means 14 shown in FIG. 6 includes a base member 80 installed on the adapting member 2 via the sub member 79, and a die member driving means attached to the base member 80. 81. The driving means 81 is a cylinder 82, and a die member holding member 83 is coupled to the tip of the piston rod 82 </ b> A of the cylinder 82, and the die member 84 is held inside the body panel 1 by the holding member 83. ing. As can be seen from FIGS. 6 and 7, the holding member 83 and the die member 84 advance and retreat with respect to a punch member 95 described later while the holding member 83 is guided by the guide portion 80 </ b> A of the base member 80. Move the slide.

  Further, when the die member holding member 83 and the die member 84 reach the position shown in FIG. 7 where the fourth portion 1D is bent by the cylinder 82, the base member 80 has the die member holding member 83 and the die member 84. Stop means 85 is disposed for stopping the vehicle in a fixed state at that position. The structure of the stop means 85 is shown in FIG. The stop means 85 includes a cylinder 86 attached to the base member 80 so as to be transverse to the die member holding member 83, and a slide member 87 coupled to the piston rod 86A of the cylinder 86. On the lower surface in the vicinity of the rear end portion of the die member holding member 83, a groove portion 83 </ b> A in which the slide member 87 can be slid by the cylinder 86 is formed, and on the rear side of the groove portion 83 </ b> A, The protrusions 83 </ b> B and the recesses 83 </ b> C are alternately formed in the sliding direction of the slide member 87. In the slide member 87, convex portions 87A and concave portions 87B are alternately formed in the length direction of the slide member 87, in other words, in the slide direction of the slide member 87.

  FIG. 9 shows the operation of the stop means 85. FIG. 9A shows the case where the die holding member 83 has reached the limit of advancement toward the body panel 1 in the cylinder 82. At this time, the convex portion 87A of the slide member 87 becomes the concave portion 83C of the holding member 83. Invaded. In order to bend the fourth portion 1D with the die member 84, when the holding member 83 is rearwardly moved to the position shown in FIG. 9B with the cylinder 82, the groove 83A of the holding member 83 reaches the position of the slide member 87. Then, when the slide member 87 is moved to the position of FIG. 9C by the cylinder 86, the projection 87A of the slide member 87 is the same as the projection 83B of the holding member 83 and the holding member 83 in which the groove 83A is formed. It is sandwiched between the main body 83D. As a result, the holding member 83 and the die member 84 held by the holding member 83 are stopped in a fixed state at a position where the fourth portion is bent.

  When the holding member 83 and the die member 84 are returned to the positions shown in FIG. 6, the stop means 85 is operated in reverse to the above.

  Further, as shown in FIG. 7, a bracket member 90 is coupled to the upper surface of the base member 80 of the fourth side bend processing means 14, and the punch member driving means is attached to the bracket member 90 via an attachment member 91. 92 is attached. The driving means 92 is a cylinder 93, and a punch member holding member 94 is coupled to the tip of the piston rod 93 </ b> A of the cylinder 93, and the slide portion 94 </ b> A is guided by the guide portion 90 </ b> A of the bracket member 90. A punch member 95 for bending the fourth portion 1D in cooperation with the die member 84 is held by the member 94. For this reason, the punch member holding member 94 and the punch member 95 are moved inward and outward of the body panel 1 by the cylinder 93.

  In the above, as can be seen from FIG. 1, the width direction of the four side bend processing means 11 to 14 is the circumferential direction of the body panel 1, and therefore the width dimension of these means 11 to 14 is the body panel. 1 is a dimension of the means 11 to 14 in the circumferential direction. Also, the width dimensions of the die member holding members 22, 62, 83 and the die members 23, 63, 84 are the same as the die member holding members 22, 62, 83 and the die members 23, 63, 84 in the circumferential direction of the body panel 1. The punch member holding members 34, 44, 74, 94 and the punch members 35, 45, 75, 95 have the same width as the punch member holding members 34, 44, 74, in the circumferential direction of the body panel 1. 94 and punch members 35, 45, 75, and 95.

  In the present embodiment, as shown in FIG. 1, the width dimension of the die member 23 of the first side bend processing means 11 is larger than the width dimension of the die member holding member 22 of this means 11. Further, the width dimension of the punch member 35 of the first side bend processing means 11 is larger than the width dimension of the punch member holding member 34 of this means 11.

  The driving timings of the ram 5, the side bend processing means 11-14 and the lateral pressing means 50 of the press machine when bending the first to fourth portions 1A to 1D of the body panel 1 are shown in FIG. Controlled by a control device 96. Next, the bending work for the first to fourth portions 1A to 1D of the body panel 1 by the ram 5, the side bend processing means 11 to 14, and the lateral direction pressing means 50 is performed while being controlled by the control device 96. explain.

  When the ram 5 and the pad member 7 are in the ascending limit position, the body panel 1 is set on the support member 4 by loading means (not shown) or manually by the operator, and thereafter, the ram 5 is operated by operating the control device 96 start button. When the pad member 7 starts to descend and the pad member 7 presses the body panel 1 downward, the body panel 1 is sandwiched between the support member 4 and the pad member 7. After the clamping, as shown in FIG. 2, the pressing member 53 presses the side surface of the pad member 7 toward the supporting member 4 by the cylinder 52 of the lateral pressing means 50, thereby the supporting member 4. The body panel 1, which is partly set to hang down, is firmly fixed by the support member 4 and the pad member 7.

  The respective side bend processing means 11 to 14 are in the state shown in FIGS. 2, 4 and 6 until this time. After the pressing member 53 presses the side surface of the pad member 7 toward the support member 4, the die member holding member 22 and the die member 23 of the first side bend processing means 11 reach the position shown in FIG. The die member holding member 62 and the die member 63 of the three-side bend processing means 13 reach the position of FIG. 5 by the cylinder 66, and the die member holding member 83 and the die member 84 of the fourth side bend processing means 14 are reached by the cylinder 82. The position of FIG. 7 is reached.

  The die member holding members 22, 62, 83 and the die members 23, 63, 84 are made to operate by the aforementioned operation of the stop means 27, 67, 85 provided in these side bend processing means 11, 13, 14. 3, FIG. 5 and FIG. 7 are stopped in a fixed state. That is, the die member holding members 22, 62, and 83 and the die members 23, 63, and 84 are stopped in a block state in which they remain in their positions even when subjected to an external force.

  Next, the punch member holding members 34, 44, 74, 94 and the punch members 35, 45, 75, 95 of the respective side bend processing means 11-14 are connected to the cylinders 33, 43, 73, 93 by FIG. 5 and the position of FIG. 7 are reached. As a result, the first to fourth portions 1A to 1D of the body panel 1 are bent from the outside to the inside of the body panel 1, so that these portions 1A to 1D are used for the second side bend processing means 12. The support member 4 and the die members 23, 63, 84, which are also die members, and the punch members 35, 45, 75, 95 are bent parts.

  The parts 1A to 1D of the body panel 1 may be bent at the same time by the respective side bend processing means 11 to 14, and each cylinder serving as a drive source for the side bend processing means 11 to 14 is provided. The bending may be performed with a time lag based on the difference in the reciprocating time of the piston rod.

  After each predetermined portion of the body panel 1 is bent as described above, the side bend processing means 11 to 14 and the lateral direction pressing means 50 perform reverse operations in the reverse order to the above, and As the ram 5 is raised, the pad member 7 returns to the ascending limit position as shown in FIG. 10, whereby the bending process for the first body panel 1 is completed.

  Then, the body panel 1 is separated and moved from the support member 4 in the direction A in FIG. 10 by the unloading means 97 or an operator's manual operation, whereby the body panel 1 is detached from the support member 4.

  Thereafter, the bending process for the next body panel 1 is repeated in the same manner as described above, and each body panel 1 is bent.

  According to the present embodiment described above, the side bend processing means 11 to 14 are prepared for each of the bent portions 1A to 1D of the body panel 1, and the direction of the body panel 1 is determined by the side bend processing means 11 to 14. Since these portions 1A to 1D can be bent without resetting, the finished shape and accuracy of the body panel 1 whose end portions are bent can be improved.

  Further, the punch member driving means 30, 42, 70, 92 for moving the punch members 35, 45, 75, 95 of the respective side bend processing means 11-14 are constituted by cylinders 33, 43, 73, 93. The die member driving means 25, 65, 81 for moving the die members 23, 63, 84 of the side bend processing means 11, 13, 14 are composed of cylinders 26, 6682. Therefore, the driving means 30, 42, 70, 92 and 25, 65, 81 are independent driving means that are not mechanically connected to the ram 5 that is a lifting member, and for this reason, the entire apparatus according to this embodiment is The structure is simple and can be manufactured at low cost.

  Furthermore, since the die member of the side bend processing means 12 is the support member 4 that is stationary, it is not necessary to provide the side bend processing means 12 with a die member driving means. For this reason, the entire apparatus can be manufactured at a lower cost with a simpler structure.

  Further, since the support member 4 is a member for supporting the body panel 1 from below and sandwiching the body panel 1 together with the pad member 7, the support member 4 can be bent using the die member of the side bend processing means 12. The body panel 1 can be set before being processed. In this respect as well, the entire apparatus can be manufactured with a simpler structure and at a lower cost.

  Further, as shown in FIG. 1, the width dimension of the die member 23 of the side bend processing means 11 is larger than the width dimension of the die member holding member 22 of this means 11, and the punch of the side bend processing means 11. Since the width dimension of the member 35 is larger than the width dimension of the punch member holding member 34 of the means 11, even if the length of the portion 1A of the body panel 1 in the circumferential direction of the body panel 1 is long, the member 35 is downsized. The side bend processing means 11 can sufficiently bend the portion 1A.

  Further, the side bend processing means 11, 13, 14 include the die members 23, 63, 84 and the die member holding members 22, 62, 83 of the side bend processing means 11, 13, 14 of the body panel 1. Since stop means 27, 67, 85 for stopping the portions 1A, 1C, 1D in a fixed state are provided at the positions for bending the portions 1A, 1C, 1D, the die member 23, Even if a large contact force from the punch members 35, 75, 95 acts on the parts 63, 84 via the portions 1A, 1C, 1D, the stop means 27, 67, It can be blocked by 85. Therefore, the portions 1A, 1C, and 1D can be bent into an accurate shape by the cooperation of the punch members 35, 75, and 75 and the die members 23, 63, and 84.

  Further, above the die member holding members 22 and 62 of the side bend processing means 11 and 13, the punch member driving means 30 and 70 and the punch member holding members 34 and 74 of the side bend processing means 11 and 13, Since the punch members 35 and 75 are disposed, the side bend processing means 11 and 13 can be configured as a small-sized means having a reduced width dimension, and thereby, around the body panel 1. The side bend processing means 11 and 13 can be easily arranged.

  Since the stop means 27 and 67 of the side bend processing means 11 and 13 are arranged with a posture component in the vertical direction below the die member holding members 22 and 62, in other words, in the horizontal direction. The side bend processing means 11 and 13 are smaller in size in the front-rear direction and in the width direction even if the stop means 27 and 67 are included. It can comprise as a means of. Of course, the directions of the stop means 27 and 67 may be accurately set in the vertical direction.

  Further, the side bend processing means 12 is provided with a lateral pressing means 50 for pressing the body panel 1 against the support member 4 from the lateral direction via the pad member 7. The function of the pressing means 50 is provided, and the side bend processing means 12 and the pressing means 50 are separated and are not installed on the adapting member 2, so that the entire apparatus can be simplified as much.

  Further, since the pressing means 50 is disposed on the side bend processing means 12, the width of the side bend processing means 12 can be made the same as that of the side bend processing means in which the pressing means 12 is not disposed.

Further, as shown in FIG. 1, the side bend processing means 12 is formed by two side bend processing machines 12A and 12B arranged in parallel in the circumferential direction of the body panel 1, so that a large-size There is no need to manufacture one side bend processing means, and the side bend processing means can be easily manufactured.

  The punch member of the side bend processing means 12 is one punch member 45 spanned over the punch member holding member 44 of these side bend processing machines 12A and 12B. The portion 1B of the panel 1 can be accurately bent into a predetermined shape.

  In this embodiment, the die members 23, 63, 84 are held on the die member holding members 22, 62, 83 of the side bend processing means 11, 13, 14. Punch members 35, 45, 75, and 95 are detachably attached to and held by members 34, 44, 74, and 94, respectively, using a coupling tool such as a bolt. Therefore, the die members 23, 63, and 84 and the punch members 35, 45, 75, and 95 can be replaced with die members and punch members for bending the portions 1A to 1D of the body panel 1 into different shapes. .

  FIG. 11 shows a die member 123 on the die member holding member 22 and the punch member holding member 34 of the side bend processing means 11 in order to bend the portions 1A and 1B of the body panel 1 into shapes different from those in FIG. The punch member 135 is held when the punch member 145 is held by the punch member holding member 44 of the side bend processing means 12. Thereby, the parts 1A and 1B of the body panel 1 can be bent into a shape different from the above, in other words, the bending of the body panel used in a vehicle of a different vehicle type can be performed.

  Note that the support member at this time is replaced with the support member 104 in which the concave portion 104A capable of bending the portion 1B in cooperation with the punch member 145 is formed.

  In the present embodiment, as already described with reference to FIG. 1, the side bend processing means 12 is formed by two side bend processing machines 12A and 12B arranged in parallel in the circumferential direction of the body panel 1. The adapter member 2 on which these machines 12A and 12B are installed has a large number of holes into which coupling tools such as bolts can be inserted, and means and positions of the members installed on the adaptation member 2 by the coupling tools such as bolts are arbitrary. Therefore, the interval between the machines 12A and 12B can be adjusted.

  FIG. 12 shows a case where the body panel 101 in which the length of the portion 101B bent by the side bend processing means 12 is longer than that of the portion 1B of the body panel 1 is bent. At this time, the interval between the side bend processing machines 12A and 12B is changed to a size corresponding to the length of the portion 101B. Further, a punch member 245 having a larger width in the circumferential direction of the body panel 101 than the punch member 45 is bridged between the punch member holding portions 44 of the machines 12A and 12B, and further pressed in the lateral direction. The pressing member 53 of the means 50 is replaced with a pressing member 153.

  Thereby, the bending process about the body panel 101 having the part 101B which is longer than the part 1B of the body panel 1 can be performed by the side bend processing means 12 formed by the same side bend processing machines 12A and 12B. .

  Note that the support member at this time is also replaced with a member in which a concave portion capable of bending the portion 101B in cooperation with the punch member 245 is formed.

  The present invention can be used for bending an end portion of a vehicle body panel such as a front fender from the outside to the inside.

It is a top view which shows the layout of the four side bend processing means in the adapt member arrange | positioned on the bolster of a press machine. It is a longitudinal cross-sectional view of the press machine which shows the part of the 1st side bend processing means and the 2nd side bend processing means for bending the 1st part of a vehicle body panel, and a 2nd part. It is the same figure as FIG. 2 which shows when the 1st part and the 2nd part are bent by the punch member and die member of the 1st side bend processing means and the 2nd side bend processing means. It is a longitudinal cross-sectional view of the press machine which shows the part of the 3rd side bend processing means for bending the 3rd part of the vehicle body panel. FIG. 5 is a view similar to FIG. 4 showing a case where the third portion is bent by the punch member and the die member of the third side bend processing means. It is a longitudinal cross-sectional view of the press machine which shows the part of the 4th side bend processing means for bending the 4th part of the body panel for vehicles. It is a figure similar to FIG. 6 which shows the time of bending the 4th part with the punch member and die member of the 4th side bend processing means. It is a disassembled perspective view which shows the structure of the stop means shown by FIG.6 and FIG.7. It is the figure which showed the action | operation of the stop means of FIG. 8 in order of (A) (B) (C). It is a longitudinal cross-sectional view of the press machine which shows when removing the vehicle body panel by which bending was carried out from a supporting member. It is the same figure as FIG. 3 which shows the case where it replaces | exchanges for the punch member and die member for bending the edge part of a body panel to a different shape. It is the same figure as FIG. 1 which shows the case where the space | interval of these side bend processing machines of the side bend processing means formed with the two side bend processing machines arranged in parallel by the circumferential direction of the body panel is changed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,101 Body panel of a four-wheeled vehicle 1A A bent portion, a first portion 1B, 101B which is a wheel arch portion where a front wheel is disposed nearby, and a hood which is a bent portion and is a hood Adjacent second part 1C Bending part, third part 1D adjacent to the front door 1D Bending part, fourth part adjacent to the front grille where the headlight is arranged 3 Bolster of the press machine 4, 104 Support Member 5 Ram of Press Machine as Lifting Member 7 Pad Member 11 First Side Bend Processing Means for Bending First Part 12 Second Side Bend Processing Means for Bending Second Part 12A, 12B Side Bend Processing Machine 13 Third side bend processing means for bending the third portion 14 Fourth side for bending the fourth portion Bending means 22, 62, 83 Die member holding member 23, 63, 84, 123 Die member 25, 65, 81 Die member driving means 27, 67, 85 Stop means 30, 42, 70, 92 Punch member driving Means 34, 44, 74, 94 Punch member holding member 35, 45, 75, 95, 135, 145, 245 Punch member 50 Lateral pressing means

Claims (19)

A support member that supports the vehicle body panel from below, and a pad member that is attached to an elevating member that moves up and down and presses the vehicle body panel from above in order to sandwich the vehicle body panel together with the support member And a punch member for bending the end portion of the vehicle body panel from the outside to the inside of the vehicle body panel by cooperating with a die member disposed inside the vehicle body panel. In a side bend processing device for a vehicle body panel,
There are a plurality of bending portions, and a side bend processing means provided with the punch member is disposed for each of the bending portions, and the punch members of these side bend processing means are provided for each side bend processing means. The punch member drive means is moved inward and outward of the vehicle body panel, and these punch member drive means become independent drive means that are not mechanically connected to the elevating member. A side bend processing device for a vehicle body panel.   The side bend processing apparatus for a vehicle body panel according to claim 1, wherein the support member is disposed on a bolster of a press machine, and the elevating member is a ram that moves up and down of the press machine. Side bend processing device for vehicle body panels.   The side bend processing apparatus for a vehicle body panel according to claim 1 or 2, wherein the die member is provided for each of the side bend processing means. .   The side bend processing device for a vehicle body panel according to claim 3, wherein at least one of the plurality of die members is disposed in the side bend processing means including the die member. The die member driving means moves forward and backward with respect to the punch member provided in the side bend processing means, and the die member driving means is an independent driving means that is not mechanically connected to the elevating member. A side bend processing device for a vehicle body panel.   5. The side bend processing apparatus for a vehicle body panel according to claim 4, wherein the side bend processing means including the die member that is advanced and retracted by the die member drive means includes the die member. Stop bending means for stopping the vehicle body panel in a fixed state at a position where the end of the vehicle body panel is bent in cooperation with the punch member is disposed. apparatus.   The side bend processing apparatus for a vehicle body panel according to claim 4 or 5, wherein one die member is stationary among the plurality of die members, and the remaining die members are used for the die members. A side bend processing device for a vehicle body panel, which is advanced and retracted by a driving means.   The side bend processing apparatus for a vehicle body panel according to claim 6, wherein the one die member that is stationary is the support member.   The side bend processing device for a vehicle body panel according to any one of claims 1 to 7, wherein each of the punch members is detachably held by a punch member holding member provided in the side bend processing means, A side bend processing device for a vehicle body panel, wherein a plurality of punch members for bending the bent portion into different shapes can be exchangeably held on the holding member for a punch member. .   The side bend processing device for a vehicle body panel according to any one of claims 1 to 8, wherein each of the punch members is held by a punch member holding member provided in the side bend processing means, The width of the vehicle body panel in the circumferential direction of at least one of these punch members is the circumference of the vehicle body panel of the punch member holding member on which the punch member is held. Side bend processing device for vehicle body panel, characterized in that it is larger than the width dimension in the direction.   8. The side bend processing apparatus for a vehicle body panel according to claim 4, wherein the die member that is advanced and retracted by the die member drive means is disposed in the side bend processing means including the die member. The die member holding member is detachably held, and a plurality of die members for bending the bent portion into different shapes can be exchangeably held on the die member holding member. A side bend processing device for a vehicle body panel.   The side bend processing apparatus for a vehicle body panel according to any one of claims 4 to 7 and 10, wherein the die member that is advanced and retracted by the drive means for the die member includes the die member. The width dimension in the circumferential direction of the vehicle body panel with respect to the die member is determined by the circumferential direction of the vehicle body panel with respect to the die member holding member. A side bend processing device for a vehicle body panel, wherein the side bend processing device is larger than a width dimension of the vehicle body panel.   The side bend processing apparatus for a vehicle body panel according to claim 10 or 11, wherein the die member holding member is advanced and retracted by the die member driving means, and the die member holding member is disposed above the die member holding member. A side bend processing apparatus for a vehicle body panel, characterized in that a driving means is arranged.   The side bend processing apparatus for a vehicle body panel according to claim 12, wherein the side bend processing means includes the die member that is advanced and retracted by the die member drive means. Stop means for stopping the bent portion in a fixed state at a position where the bent portion is bent by the punch member and the die member is disposed, and the stop means is arranged in the vertical direction below the die member holding member. The side bend processing device for a vehicle body panel, wherein the side bend processing device is arranged with a posture component in the direction of.   14. The side bend processing apparatus for a vehicle body panel according to claim 1, wherein at least one of the plurality of side bend processing means is a plurality of side bend processing machines. Are arranged side by side in the circumferential direction of the vehicle body panel, and the punch member in these side bend processing machines becomes one punch member spanned over these side bend machines. A side bend processing device for a vehicle body panel.   15. The vehicle body panel side bend processing apparatus according to claim 14, wherein an interval between a plurality of side bend processing machines in a circumferential direction of the vehicle body panel is adjustable. Panel side bend processing equipment.   16. The vehicle body panel side bend processing apparatus according to claim 1, wherein at least one of the plurality of side bend processing means includes the vehicle body panel. A side bend processing device for a vehicle body panel, wherein a lateral pressing means for pressing the support member from the lateral direction is arranged.   The vehicle body panel according to any one of claims 1 to 16, wherein the end portion is side-bended by the side-bend processing device for a vehicle body panel. A clamping step for clamping the vehicle body panel between the support member and the pad member by pressing the vehicle body panel supported from below by the support member with a pad member;
An outer side of the vehicle body panel is formed by a punch member that moves an end of the vehicle body panel from the outside to the inside of the vehicle body panel and a die member that is disposed inside the vehicle body panel. Bending process for bending from the inside to the inside,
A removal step for removing the vehicle body panel from the support member by moving the punch member from the inside to the outside of the vehicle body panel and separating and moving the pad member from the vehicle body panel;
In a side bend processing method for a vehicle body panel including:
There are a plurality of bending portions, and the bending step performed before the removing step is performed by the punch member and the die member prepared for each of the bending portions. The vehicle body panel is moved inward and outward by a drive means that does not use the raising and lowering movement of the pad member as a drive source.   The vehicle body panel according to claim 18, wherein the end portion is side-bended by the side-bend processing method for a vehicle body panel.

Images