JP5519266B2 - Mold support device - Google Patents

Description

  The present invention relates to a mold support device for supporting a die as a lower mold on a lower table in a press brake, and more specifically, when a plate material is bent, a horizontal ceiling surface plate is used. The present invention relates to a mold support device that can easily bend the ceiling surface plate into a V-shape even if the side surface plate has a large height on both sides.

  Conventionally, when a plate-like workpiece is bent by a press brake to produce a box-like body, for example, as shown in FIG. In the configuration including the large side plate SP, when the ceiling surface plate TP is bent into a V shape, it is necessary to support the position of the folding line L of the ceiling surface plate TP with a die. However, since the height dimension of the conventional die is smaller than the height dimension H of the side plate SP, it is necessary to manufacture a special die having a height dimension larger than the height dimension H. In this case, the special die needs to be manufactured corresponding to the interval dimension W of the side plate SP.

  In other words, conventionally, when the height dimension of the side plate provided on the workpiece to be bent is larger than the height dimension of the die that is normally used, the height dimension is large. It was necessary to make a simple die. Thus, a plurality of dies having different height dimensions can be prepared in advance, but in this case, there is a problem that there is a lot of waste.

  Note that there are Patent Documents 1 and 2 as prior art documents considered to be related to the present invention.

JP 2002-219517 A JP 2008-194714 A

  The structure of the mold support apparatus described in Patent Document 1 includes a base that is long in the left-right direction on the upper part of the lower table in the press brake, and a die holder that is detachably provided on the base, In this configuration, a split mold (die) having a larger height than the standard mold is mounted. In other words, the configuration described in Patent Document 1 also has a problem that it is necessary to manufacture a special die.

  The structure of the die support apparatus described in Patent Document 2 is such that a die holder (referred to as a split-type concentric 2V die die rail 3 in Patent Document 2), a die, and a die on a lower table in a press brake. In this configuration, a high-height divided die rail that is longer in the left-right direction than the die is provided. Therefore, in the configuration described in Patent Document 2, it is difficult to maintain and manage an extra component member called a high-height divided die rail, and as described above, side plates SP having a large height on both sides of the ceiling plate TP. When the ceiling plate TP in the workpiece having the structure is bent into a V shape, there is a problem that the side plate SP interferes with the high-height divided die rail and cannot be bent.

The present invention has been made in view of the conventional problems as described above, and a holder base having a shorter length in the left-right direction than a base in the left-right direction provided on the lower table in the press brake can be attached to and detached from the base. A die holder having a dimension substantially equal to the dimension in the left-right direction of the holder base is provided on the holder base, and the dimension in the left-right direction of the die detachably provided on the die holder is the dimension in the left-right direction of the die holder. It is equal or longer than the dimension in the left-right direction of the die holder.

  According to the present invention, since the dimension in the left-right direction of the die is equal to the length dimension in the left-right direction of the die holder that supports the die or longer than the dimension in the left-right direction of the die holder, When the ceiling surface plate in a workpiece having a configuration with a large-sized side plate SP is bent into a V shape, the side plate SP can be positioned on the side of the die holder. In other words, even if the height dimension of the side plate SP is larger than the height dimension of the die, if the height dimension of the die and the height dimension of the die holder is smaller than the height dimension of the die holder, There is no such thing as interference.

  Therefore, it is possible to easily perform the bending process of the ceiling surface plate provided with the side plates whose height is larger than the height of the die by using a die which is a conventional general standard mold. It can be done.

It is side sectional explanatory drawing of the metal mold | die support apparatus which concerns on embodiment of this invention. It is front explanatory drawing of the metal mold | die support apparatus which concerns on embodiment of this invention. It is explanatory drawing of 2nd Embodiment. It is explanatory drawing of 3rd Embodiment. It is explanatory drawing of 4th Embodiment. It is explanatory drawing of the workpiece | work made into bending object.

  Referring to FIGS. 1 and 2, a mold support device 1 according to an embodiment of the present invention is detachably mounted on a lower table 3 in a press brake (not shown). More specifically, the mold support device 1 is a holder that is detachably mounted on a base 5 that is provided in the upper part of the lower table 3 and that is long in the left-right direction (the direction perpendicular to the paper surface in FIG. 1, the left-right direction in FIG. 2). A base 7 is provided. The length of the holder base 7 in the left-right direction is shorter than the length of the base 5 in the left-right direction.

  A die holder 9 is integrally attached to the holder base 7 via a fixture 11 such as a bolt. The dimension of the die holder 9 in the left-right direction is substantially equal to the dimension of the holder base 7 in the left-right direction. The holder base 7 is provided with a die mounting portion 15 to which a die 13 for bending the workpiece WP in cooperation with a punch (not shown) can be attached and detached. The die mounting portion 15 is formed with a horizontal support surface 17 that supports the die 13 and a protruding portion 21 that vertically includes a clamping surface 19 that clamps the die 13. . A clamp member 23 that presses and fixes the die 13 to the clamping surface 19 is detachably attached to the die holder 9 via a fastening tool 25 such as a bolt.

  The length of the die 13 in the left-right direction is equal to the distance between the inner surfaces of the side plates SP on the left and right sides of the work WP, and is equal to the size of the die holder 9 in the left-right direction. It is slightly longer than the length in the left-right direction.

  Therefore, even if the height dimension H of the side plate SP provided in the workpiece WP is larger than the height dimension of the die 13 as a standard mold, as shown in FIGS. The workpiece WP can be placed and positioned on the die 13 without causing the SP to interfere with the die holder 9. Therefore, the ceiling surface plate TP of the workpiece WP can be bent into a V shape in cooperation with the punch.

  As can be understood from the above description, the length of the die holder 9 in the left-right direction is equal to or slightly shorter than the length of the die 13 in the left-right direction. Even when the side plate SP has a dimension larger than the height of the standard die 13, the ceiling plate TP of the workpiece WP can be bent without interfering with the die holder 9 and the side plate SP. It can be done.

  By the way, in the above description, the case where the dimensions of the die holder 9 and the die 13 in the left-right direction are substantially equal has been described. However, as shown in FIG. It is also possible to support by a plurality of mold support devices 1 arranged in the case of contact). In this case, the holder bases 7 in the mold support device 1 may be separate or may be an integrated body that is long in the left-right direction. That is, when the holder base 7 is long in the left-right direction, the die holder 9 that is shared by the die holders 9 and divided into a plurality of parts in the left-right direction is left and right with respect to the holder base 7 long in the left-right direction. It is attached so that its position can be adjusted in the direction.

  In the above configuration, the distance between the left and right die holders 9 divided into a plurality of parts, that is, the left and right dimension between the left side of the left die holder 9 and the right side of the right die holder 9 (the dimension of the entire die holder 9 in the left and right direction). ) And the horizontal dimension of the die 13 are equal, or the horizontal dimension of the entire die holder 9 (the horizontal dimension of the die holder) is slightly shorter than the horizontal dimension of the die 13. Is to arrange.

  Further, as shown in FIG. 4, a plurality of divided dies 13 </ b> A, 13 </ b> B, and 13 </ b> C can be supported by one mold support device 1. In this case, the length dimension in the left-right direction in which the plurality of divided dies 13A, 13B, 13C are arranged is equal to or slightly longer than the dimension in the left-right direction of the die holder 9 in the mold support device 1. The divided dies 13A, 13B, and 13C are preferably arranged in contact with each other in the left-right direction. However, as already known, it is also possible to arrange them in a slightly separated state with an interval narrower than the thickness of the workpiece to be bent.

  Further, as schematically shown in FIG. 5, a plurality of die holders 9A, 9B, 9C having the same or different lengths in the left-right direction are arranged on the lower table of the press brake at appropriate intervals in the left-right direction. The die holders 9A, 9B, and 9C may support a plurality of divided dies 13D, 13E, and 13F having the same or different length in the left-right direction.

  By setting it as the said structure, the length dimension of the left-right direction of a die holder can be made into arbitrary dimensions by combining several die holders suitably. Moreover, the dimension of the left-right direction of die | dye can be made into an arbitrary dimension by combining a some division | segmentation die | dye suitably. Therefore, even if the space | interval dimension of the both-sides board provided in the right and left both sides of the ceiling board in a workpiece | work is various, it can respond easily.

  As already understood, the die holder for supporting the die in the press brake has a structure of a divided die holder divided into a plurality of parts, and by supporting the plurality of divided dies with the plurality of divided die holders, as described above, It is possible to easily cope with a work provided with side plates having a height dimension larger than the height dimension on both sides of the ceiling face plate. In this case, the plurality of divided die holders 9A, 9B, 9C,... Can be always mounted on the lower table in the press brake, and the right and left direction can be determined depending on the necessity of the combination of the divided die holders 9A, 9B, 9C,. You just need to adjust the position. In other words, it does not require a special storage shelf or the like of the plurality of divided die holders 9A, 9B, 9C,..., And is easy to maintain and manage.

DESCRIPTION OF SYMBOLS 1 Mold apparatus 3 Lower table 7 Holder base 9 Die holder 13 Die 15 Die mounting part 17 Support surface 19 Clamping surface 21 Projection part 23 Clamp member 25 Fastening tool

Claims (1)

A holder base that is shorter in the left-right direction than the long base in the left-right direction provided on the lower table in the press brake is detachably attached to the base, and on the holder base, the dimensions of the holder base in the left-right direction are substantially the same. A die holder having an equal size is provided , and the left-right dimension of the die detachably provided on the die holder is equal to the left-right dimension of the die holder or longer than the left-right dimension of the die holder. A mold support device.

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