Numerical control gantry milling machine of fixed beam

A technology of grinding machine and bed, applied in the field of fixed beam CNC gantry milling and grinding machine, can solve the problems of high labor intensity of workers and reduce work efficiency, and achieve the effect of improving processing efficiency and precision, improving utilization rate and wide application range.

Inactive Publication Date: 2012-10-03
南通京鼎机械科技有限公司
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Problems solved by technology

Re-clamping and positioning are required, and the labor i

Method used

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  • Numerical control gantry milling machine of fixed beam
  • Numerical control gantry milling machine of fixed beam
  • Numerical control gantry milling machine of fixed beam

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[0018] Such as figure 1 , 2 , 3 shows, including bed 1, worktable 2, column 3, beam 4, milling slide 5, grinding slide 6, AC servo motor 7, ball screw nut pair 8, roller guide 9, milling slide Pillow 10, milling motor 11, milling headstock 12, AC servo motor 13, ball screw nut pair 14, roller guide 15, grinding ram 16, grinding motor 17, grinding head 18, balance device 19, balance device 20.

[0019] The bed 1 is provided with a worktable 2 that can be arranged along the extending direction of the bed 1, and columns 3 are arranged on both sides of the bed 1, and the tops of the two columns 3 are connected with a beam 4. A milling slide 5 and a grinding slide 6 that can move along the horizontal direction of the cross beam 4 are respectively provided on the front and back of the cross beam 4.

[0020] The milling slide 5 is driven by the AC servo motor 7 via the coupling to drive the ball screw nut pair 8 to move along the horizontal direction of the beam. The milling slide 5 and...

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Abstract

The invention relates to a numerical control gantry milling machine of a fixed beam, comprising a machine body, wherein a work table which can extend along the direction of the machine body is arranged on the machine body, vertical columns are respectively arranged at the two sides of the machine body, and the top ends of the vertical columns are connected with a cross beam. The innovation of the numerical control gantry milling machine is that the front side and the rear side of the cross beam are respectively provided with a milling sliding seat and a grinding sliding seat, and the milling sliding seat and the grinding sliding seat are provided with corresponding components and can be used for milling and grinding the workpieces on the work table after being installed and clamped for one time, so that the time for assembling, detaching and positioning the workpieces can be reduced, the process efficiency and the process precision can be improved, and the utilization rate of the equipment can be improved. The cross beam has a roller guide rail structure which is distributed in a stepped shape, so that the roller guide rail has enough flexural stiffness and torsional stiffness, and long enough precision retaining ability. The weights of a ram and a main gear box are balanced through a hydraulic balance oil box, so that the no-load twisting moment of a bead screw shaft can be reduced, the attrition of the bead screw shaft can be reduced, and the precision stability of the bead screw shaft can be kept.

Description

technical field [0001] The invention relates to a numerical control machine tool, in particular to a fixed beam numerical control gantry milling and grinding machine. Background technique [0002] The gantry milling machine is a milling machine with a portal frame and a horizontal long bed. The gantry milling machine has high machining accuracy and productivity, and is suitable for machining planes and slopes of large workpieces in batch and mass production. It does not have a grinding function. When processing some workpieces, if you want to grind and finish them, you need to remove the workpiece from the gantry milling machine and clamp it on the grinding machine. Re-clamping and positioning are required, and the labor intensity of workers is high, which reduces work efficiency. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a fixed-beam numerically controlled gantry milling and grinding machine with a wide ...

Claims

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Application Information

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IPC IPC(8): B23P23/02B23Q1/01B23Q11/00
Inventor 孙美华邵锋冒晓波杨雷庄荣富
Owner 南通京鼎机械科技有限公司
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