Bending Machine Tool Parts with Spindle Coupling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing bending machines require precise alignment and synchronization of segments in the holding down device, leading to increased machine downtime and inefficiency when processing prebent sheet metal workpieces with laterally bent tabs.
Innovation Solution
A bending machine design featuring displaceable tool parts with coupling devices that include a spindle nut section and a threaded spindle, allowing for independent and simultaneous movement of tool parts, facilitated by an actuating device connected to the machine control, enabling rapid adjustment and precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If segments in the holding down device are precisely aligned and synchronized using fixed recesses in the adjusting bar, then positioning accuracy is improved, but machine downtime increases and efficiency decreases
Solution Approach 1:
The holding down device is divided into multiple independently adjustable segments. Each segment can be individually positioned along the bending axis using a common adjusting bar with multiple coupling points, allowing independent adjustment without requiring precise synchronization of all segments simultaneously.
Solution Approach 2:
The adjusting bar is designed with multiple recesses at different positions along its length, allowing the coupling to be dynamically repositioned between segments. This dynamic adjustment capability enables rapid reconfiguration of the holding down device for different workpiece geometries without time-consuming precise alignment procedures.
2Adaptability or versatility
If multiple tool parts are adjusted independently with individual coupling devices, then adjustment flexibility is improved, but device complexity increases
Solution Approach 1:
A single adjusting bar serves multiple functions by providing coupling capability to multiple tool parts simultaneously. The adjusting bar can engage with different segments at different positions along its length, allowing one component to control the positioning of multiple tool parts without requiring separate adjusting mechanisms for each.
Solution Approach 2:
Multiple coupling functions are merged into a single adjusting bar structure. Instead of having separate adjusting bars or mechanisms for each tool part segment, the invention combines all coupling functions into one unified adjusting bar that can interact with multiple segments through its distributed recesses.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design allows for rapid and independent adjustment of tool parts, reducing machine downtime and increasing efficiency by enabling flexible positioning and movement of tool parts, thereby efficiently processing sheet metal workpieces with U- and C-shaped cross-sectional profiles.
Implementation Method 1
The coupling device comprises a spindle nut section, which can be coupled to a threaded spindle, whereby a horizontal movement can be introduced to the tool bars
Data Source
AI summary
The invention relates to a bending machine (1) for bending sheet metal workpieces (2), for example a press brake or a folding machine, comprising at least one tool carrier (3), wherein a plurality of tool parts (5) that can be moved along a horizontal tool receptacle (4) are arranged on at least one tool carrier (3), at least one adjusting device (6) for moving the tool parts (5), and coupling devices (14) associated with the tool parts (5), each for connecting a respective tool part (5) to the adjusting device (6). Furthermore, according to the invention the adjusting device (6) may comprise a threaded spindle (7) extending parallel to the tool receptacle (4) and each coupling device (14) may comprise a spindle nut segment (15), wherein the spindle nut segment (15) can be coupled to the tool part (5) or to the threaded spindle (7).