Method and machine tool for partially unloading a workpiece
A technology for workpieces and machine tools, applied in the field of forming, can solve the problems of automatic unloading process interruption, machine tool shutdown, etc.
Active Publication Date: 2016-08-24
TRUMPF WERKZEUGMASCHINEN GMBH & CO KG
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
If the interlock is not released, this causes the automatic unloading process to be interrupted and the machine to be stopped
Method used
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Embodiment Construction
[0034] exist figure 1 In , a machine tool 11 according to the invention is depicted in three dimensions, which is designed, for example, as a laser stamping machine. For cutting out a plate-shaped workpiece 12 , for example in the form of a metal sheet, a stamping head 14 with a stamping tool (not shown in greater detail) and a laser machining head 15 are provided. The workpiece 12 to be processed rests on the workpiece support 16 during workpiece processing. During machining, the workpiece 12 is held by means of a holding device 17, which preferably has a gripper 18, and which can be moved relative to the punch in the X direction of the workpiece plane (X-Y plane) by means of a conventional linear drive 19 indicated by an arrow. The head 14 and the laser processing head 15 are displaced. The workpiece 12 can be moved in the Y-direction of the workpiece plane together with the holding device 17 by means of the workpiece support 16, which is moved relative to the base 24 by m...
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Abstract
The invention relates to a method for unloading a workpiece part (36) from a remaining workpiece (37) by contacting a plate-shaped workpiece (12) resting on a workpiece support (16) of a machine tool (11) ) is formed by a cutting process, wherein the workpiece (12) is fixed for processing by means of a holding device (17) and can be displaced in at least one X or Y direction in the X / Y plane where the workpiece (12) is located, wherein, Before or after cutting the workpiece part (36) from the remaining workpiece (37), the handling device (26) is positioned relative to the workpiece by means of a pick-up device (27), wherein the pick-up device (27) is activated and the workpiece part (36) is The position where it rests on the workpiece support (16) is picked up, wherein at least one release strategy is initiated if an interlocking of the workpiece part (36) with the remaining workpiece (37) is detected by means of the unloading monitoring device (44), In said at least one release strategy, at least one travel movement of the holding device (17), of the pick-up device (27) or of the holding device (17) and the pick-up device (37) relative to each other with a predetermined path moves in X / Y At least one movement component in the plane to start. Furthermore, the invention relates to a machine tool for carrying out the method.
Description
technical field [0001] The invention relates to a method for removing parts of a workpiece formed from a remaining workpiece by cutting a plate-shaped workpiece resting on a workpiece support of a machine tool, and to a machine tool, Said machine tool comprises a workpiece support for supporting a plate-shaped workpiece, and the invention also relates to a stationary machining device for cutting the workpiece into workpiece parts and remaining workpieces. Background technique [0002] During the cutting process, especially during stamping or (laser) cutting of a plate-like workpiece, workpiece parts are formed from the remaining workpiece by free stamping or free cutting. In this way, a cut-out section emerges, which generally has a width of less than 5 mm. To remove these workpiece parts, a handling device is used which picks up the workpiece parts and lifts them up and removes them from the rest of the workpiece. Due to the very small cut-off section and potentially by m...
Claims
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IPC IPC(8): B21D28/10B21D45/00B21D45/04B26D7/18
CPCB21D28/10B21D45/003B21D45/04B23K26/0838B23K26/38B23K26/083B23Q7/046B25J9/0096
Inventor H·马蒂亚斯J·贝隆M·贝希托尔德
Owner TRUMPF WERKZEUGMASCHINEN GMBH & CO KG