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Multistation numerical control drilling center of high-precision super-long work piece

A high-precision, multi-station technology, applied in the field of machine tools, can solve the problems of low automation and machining accuracy, achieve stable equipment, improve drilling quality and efficiency, and improve equipment automation

Active Publication Date: 2011-10-19
CHINA CREC RAILWAY ELECTRIFICATION BUREAU GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The C-shaped stainless steel strip in the steel-aluminum composite conductor rail is made of 304 (0Cr18Ni9) or 430 (1Cr17), and the general length is 15 meters or 18 meters. 1 or so, and the cumulative error of the hole spacing should not exceed 0.3mm, while the drilling equipment for stainless steel strips in the steel-aluminum composite conductor rail currently used has a low degree of automation and processing accuracy, and the multi-station CNC drilling center for high-precision ultra-long workpieces It can significantly improve the processing quality and production efficiency of stainless steel strip holes, and ensure the overall quality of steel-aluminum composite conductor rails

Method used

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  • Multistation numerical control drilling center of high-precision super-long work piece
  • Multistation numerical control drilling center of high-precision super-long work piece
  • Multistation numerical control drilling center of high-precision super-long work piece

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Embodiment

[0029] Example: see Figure 1 to Figure 10 As shown, the multi-station CNC drilling center for high-precision and ultra-long workpieces includes a main machine 101, a feeding system 102, a blanking system 103, a pneumatic and vacuum system 105, and a CNC numerical control and operating system 106; the feeding system 102 is placed on the main machine The front end of 101, the blanking system 103 is placed at the rear end of the main machine 101; the pneumatic and vacuum system 105 is fixed on the main machine 101, the CNC numerical control and the operating system 106 are fixed on the main frame 2, and the main frame 2 is fixed with a guide rail bracket 9. The linear guide rail 8 is fixed on the guide rail bracket 9, the linear guide rail slider 3 is inserted and sleeved on the linear guide rail 8, the motor bracket 6 is bolted or welded on the linear guide rail slider 3, and the variable frequency motor 7 is bolted on the motor bracket 6 , the ball screw 4 and the drilling ser...

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Abstract

The invention discloses a multistation numerical control drilling center of a high-precision super-long work piece. The drilling center provided by the invention comprises a host, a feeding system, a blanking system, a pneumatic and vacuum system, a drill adjusting, drill breaking and bald drilling detection and identification system and a CNC (Computer Numerical Control) and operation system, wherein a guide rail bracket is fixed on a main body rack; a linear guide rail is fixed on the guide rail bracket; a linear guide rail slide block is spliced and sheathed on the linear guide rail; a motor bracket is fixed by virtue of bolts or welded on the linear guide rail slide block; a variable frequency motor is fixed on the motor bracket by virtue of bolts; a ball screw and a drilling servo motor are fixed on the guide rail bracket and are connected by virtue of a coupler; a host hydraulic pressing mechanism comprises a hydraulic cylinder, a hydraulic pressing tool and a connecting rod; the hydraulic cylinder is fixed on the main body rack by virtue of bolts; and one end of the connecting rod is hinged with the hydraulic cylinder, and the other end of the connecting rod is hinged with the hydraulic pressing tool. By utilizing the multistation numerical control drilling center, the machining quality and the production efficiency of stainless steel belt holes can be improved, and the integral quality of a steel-aluminum composite conductor rail is guaranteed.

Description

technical field [0001] The invention relates to the technical field of machine tools, in particular to a multi-station numerical control turning center for high-precision super-long workpieces. Background technique [0002] Steel-aluminum composite conductor rail is the main component of the third (fourth) rail power supply system of urban rail transit. It has good electrical conductivity, large current capacity, small specific gravity, light weight, easy installation, good corrosion resistance and wear resistance, and long service life. Long and other advantages. The C-shaped stainless steel strip in the steel-aluminum composite conductor rail is made of 304 (0Cr18Ni9) or 430 (1Cr17), and the general length is 15 meters or 18 meters. 1 or so, and the cumulative error of the hole spacing should not exceed 0.3mm, while the drilling equipment for stainless steel strips in the steel-aluminum composite conductor rail currently used has a low degree of automation and processing ...

Claims

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Application Information

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IPC IPC(8): B23B41/02B23Q3/06B23B47/20B23B47/00
CPCY02P70/10
Inventor 李增勤刘智利陈文青杨光刘娟王红喜林建
Owner CHINA CREC RAILWAY ELECTRIFICATION BUREAU GRP
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