Push plate tool holder for press brakes

Abstract

Press brake tool holders suitable for releasing and securing press brake tools. Provided in certain embodiments are a press brake tool holder and a press brake tool, in combination. Methods of using press brake tool holders are also provided. In some embodiments, the tool holder has a mechanism for tool seating, such as a mechanism adapted for moving a tool generally parallel to a pressing axis of the tool holder.

Description

technical field

[0001] The present invention relates generally to industrial presses. More specifically, the present invention relates to press brakes. Background technique

[0002] Press brakes are commonly used to bend or deform sheet workpieces, such as sheet metal workpieces. A conventional press brake has an upper beam and a lower beam, at least one of which is movable towards and away from the other. Typically, the upper beam is movable vertically, while the lower beam is fixed in a rest position. Usually, the convex forming punch and the concave forming die are installed on the upper beam and the lower beam of the press brake respectively.

[0003] Typically, the punch has a downwardly oriented workpiece deforming surface (or "tip"). The configuration of the surface is determined by the desired shape of the workpiece to be deformed. The die typically has a groove bounded by one or more workpiece deforming surfaces, the groove being aligned with the tip of the pun...

Examples

Embodiment Construction

[0031] 1 is a schematic side cross-sectional view of a press brake tool holder (eg, tool holder) according to some embodiments of the invention. Typically, the tool holder TH defines a slot C configured to receive a tang T of a press brake tool TL. Slot C refers here to the tool mounting slot. In some embodiments, the tool mounting slot C has a generally T-shaped cross-section, although this is by no means required. Preferably, the slot C is delimited by two opposing walls CW, CW' of the tool holder. In the illustrated embodiment, the opposing walls CW, CW' are generally or substantially vertical (and preferably define generally or substantially vertical and planar surfaces). However, these features are not required in all embodiments. Rather, the configuration of the walls defining the tool mounting slot C will vary according to the particular type of practice of the invention.

[0032]Tool holders are generally American style. However, the tool holder may also take the ...

technical field

[0001] The present invention relates generally to industrial presses. More specifically, the present invention relates to press brakes. Background technique

[0002] Press brakes are commonly used to bend or deform sheet workpieces, such as sheet metal workpieces. A conventional press brake has an upper beam and a lower beam, at least one of which is movable towards and away from the other. Typically, the upper beam is movable vertically, while the lower beam is fixed in a rest position. Usually, the convex forming punch and the concave forming die are installed on the upper beam and the lower beam of the press brake respectively.

[0003] Typically, the punch has a downwardly oriented workpiece deforming surface (or "tip"). The configuration of the surface is determined by the desired shape of the workpiece to be deformed. The die typically has a groove bounded by one or more workpiece deforming surfaces, the groove being aligned with the tip of the pun...

Examples

Embodiment Construction

[0031] 1 is a schematic side cross-sectional view of a press brake tool holder (eg, tool holder) according to some embodiments of the invention. Typically, the tool holder TH defines a slot C configured to receive a tang T of a press brake tool TL. Slot C refers here to the tool mounting slot. In some embodiments, the tool mounting slot C has a generally T-shaped cross-section, although this is by no means required. Preferably, the slot C is delimited by two opposing walls CW, CW' of the tool holder. In the illustrated embodiment, the opposing walls CW, CW' are generally or substantially vertical (and preferably define generally or substantially vertical and planar surfaces). However, these features are not required in all embodiments. Rather, the configuration of the walls defining the tool mounting slot C will vary according to the particular type of practice of the invention.

[0032]Tool holders are generally American style. However, the tool holder may also take the ...

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