Four-Pillar Multi-Wire Cutting Structure for Stable Stone Slab Cutting
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Solution Overview
Problem
Existing multi-wire cutting machines for large-sized stone slabs suffer from instability, frequent diamond wire breakage, and issues with dust and water vapor affecting mechanical operations, particularly due to cantilever structures and inadequate support mechanisms.
Innovation Solution
A jack-up multi-wire cutting machine with four pillars and four guide wheels, featuring an upper leading-in and upper leading-out diamond wire configuration, which absorbs cutting vibrations through the base and ground, enhances stability, reduces wire fluctuations, and prevents dust and vapor ingress into mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a cantilever structure is used for the cutting assembly, then the device complexity is reduced, but the stability of the cutting machine deteriorates
Solution Approach 1:
The cutting machine is divided into four independent pillars supporting the cutting assembly, with each pillar providing individual support. This segmentation transforms the unstable cantilever structure into a stable multi-point support system, resolving the contradiction between structural simplicity and stability.
2Reliability
If the diamond wire diameter is increased to reduce breakage, then the reliability of the cutting process is improved, but the working tension requirement increases
Solution Approach 1:
The patent uses diamond-coated wire combining the tensile strength of steel core with the cutting ability and flexibility of diamond coating. This composite structure allows using thinner wires (0.3-0.8mm) with sufficient reliability, avoiding the need for excessively thick wires that would require high tension.
3Device complexity
If the cutting assembly is positioned close to the take-up and pay-off mechanisms, then the device complexity is reduced, but dust and water vapor can ingress into the mechanisms
Solution Approach 1:
The patent introduces guide wheels as intermediary components between the cutting assembly and take-up/pay-off mechanisms. These guide wheels serve as barriers that prevent dust and water vapor from reaching the sensitive mechanical mechanisms while maintaining the overall compact structure.
4Device complexity
If a single cutting mesh surface is used, then the device complexity is reduced, but the productivity for large stones is insufficient
Solution Approach 1:
The cutting assembly is designed with four guide wheels that can accommodate multiple parallel diamond wires, enabling the system to process multiple cutting lines simultaneously or sequentially. This multi-functionality increases productivity for large stone slabs while maintaining structural simplicity through the shared support framework.
Data Source
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AI summary
The present disclosure provides a cutting device of a multi-wire cutting machine for a large-sized stone slab and the multi-wire cutting machine. The cutting device includes a frame (2) and a cutting assembly (3), where the cutting assembly (3) includes a first take-up and pay-off mechanism (32), a second take-up and pay-off mechanism (33), a first main guide wheel (34), a second main guide wheel (35), a third main guide wheel (36), a fourth main guide wheel (37), and guide wheel driving mechanisms (38); the four main guide wheels extend longitudinally in horizontal direction, with respective axial ends rotatably connected to the frame (2); the second take-up and pay-off mechanism (33) is located at the other transverse side of the frame (2); the first take-up and pay-off mechanism (32) and the second take-up and pay-off mechanism (33) each include a take-up and pay-off wheel (321), a wheel driving component (322), a wire arranging wheel (323), a wire arranging device (324), a tension wheel (325), a tension adjusting device (326), a wire incoming and outgoing wheel (327), and a wiring mechanism (328); and one end of a diamond wire (31) is connected to the take-up and pay-off wheel (321), wound around the wire arranging wheel (323), the tension wheel (325), and the wire incoming and outgoing wheel (327) sequentially, and connected to the corresponding main guide wheels. The present disclosure reduces the wiring distance of the diamond wire (31), thereby reducing the wear and breakage of the metal wire (31).