Efficient double-spindle boring and milling machine

By adopting adaptive dislocation heat dissipation spindle and drain cooling cutter head structure in the dual-spindle boring and milling machine, combined with external spray cooling, the accuracy and thermal wear problems caused by heat during processing of the boring and milling machine is solved, achieving more efficient heat dissipation and more stable machining accuracy.

CN119819961AInactive Publication Date: 2025-04-15ANHUI PROVINCE JIEYONGDA INTELLIGENT MACHINE
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Patent Information

Application Number
CN202510062437.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-04-15
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During processing, the existing dual-spindle boring and milling machines are affected by the high-speed rotation of the spindle motor and the cutting heating of the tool. The existing heat dissipation methods cannot effectively reduce the thermal wear caused by internal friction of the spindle.

Method used

An efficient dual-spindle boring and milling machine is designed, using a heat dissipation spindle based on the friction surface heat adaptively dislocation opening and closing, and a drainage cooling friction surface structure is set inside the tool head, combined with external spray cooling, which improves heat dissipation efficiency.

Benefits of technology

It effectively reduces the temperature rise and thermal deformation of the spindle and tool head, improves the boring and milling accuracy, reduces thermal wear, and enhances the stability of the machine tool and the reliability of long-term use.

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Abstract

The invention discloses an efficient double-spindle boring and milling machine, which relates to the technical field of boring and milling machine tools, and comprises a spindle machine tool, mounting frames which are symmetrically mounted on the spindle machine tool and have a lifting function, driving components and water tanks which are arranged in the mounting frames, and external spraying components which are mounted on the outer walls of the mounting frames and are communicated with the water tanks, the heat dissipation main shaft is rotationally arranged on the outer wall of the mounting frame and can be opened and closed in a self-adaptive and staggered mode based on heat of the friction surface, the tool bit is arranged in the heat dissipation main shaft and drains water from inside to outside to cool the friction surface, and a water injection cavity for cooling water to enter is formed in the tool bit. According to the invention, heat dissipation of the internal friction surfaces of the main shaft and the tool bit is realized, the phenomenon of tool bit deformation caused by thermal wear of the main shaft under long-term operation is reduced, and the problem that the tool bit is damaged due to relatively large friction between the interiors of the main shaft is solved. And an existing external spraying mode obviously cannot achieve an effective heat dissipation effect on the part where telescopic friction is generated.
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