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Rolling mill stand boring machine

A rolling mill stand and boring machine technology, applied in the field of boring machines, can solve the problems of strict relative position requirements, high hole machining accuracy, low machining efficiency, etc., to avoid low position accuracy or out-of-tolerance, high accuracy, and improve machining efficiency. Effect

Inactive Publication Date: 2014-04-16
CFHI SHAOXING HEAVY MACHINE TOOL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rolling mill frame is one of its most important parts, and the processing accuracy of the "8 semicircular quincunx holes" of the rolling mill frame is the main bottleneck restricting its accuracy. At present, domestic processing uses floor boring machines and special tooling to process single holes one by one. However, since the 8 semicircular quincunx holes of this part are deep holes and the machining accuracy of the holes is high, there are strict requirements on the relative positions, which brings great difficulty to the processing and low processing efficiency.

Method used

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] As shown in the figure, a rolling mill rack boring machine disclosed by the present invention includes a boring head 14 mechanism 1, a worktable 2, and a bed 3. The worktable 2 can move on the bed 3, and the bed 3 A protective cover 4 is provided, and the boring head 14 mechanism 1 is fixed on the bed 3. The boring head 14 mechanism 1 includes eight boring heads 14, III axis 13, II axis 12, I axis 11, and the boring head 14 is set There is a quick-change boring tool 141 produced by Sweden SANDVIK (Sandvik); the boring heads 14 are arranged in the base and correspond to the plum blossom holes of the rolling mill stand one by one, and the boring heads 14 are respectively arranged on a III shaft 13, each Two III shafts 13 are linked with one II shaft 12 through gears, four II shafts 12 are linked with I shaft 11 through gears, and III shaft...

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Abstract

The invention relates to the field of boring machines, in particular to a rolling mill stand boring machine. The rolling mill stand boring machine comprises a boring head mechanism, a workbench and a machine body, wherein the workbench can move on the machine body, a protective cover is arranged on the machine body, the boring head mechanism is fixed on the machine body and comprises eight boring heads, shafts III, shafts II and a shaft I, the boring heads correspond to plum blossom holes of a rolling mill stand in a one-to-one mode, one boring head is arranged on each shaft III, every two shafts III are linked with one shaft II through gears, the four shafts II are linked with the shaft I through gears, the shafts III and the shafts II are distributed symmetrical to the shaft I, a boring tool is arranged on each boring head, the boring tools are distributed according to fixed angles, and the boring tools on the same diagonal line are distributed symmetrical to the axial center of the shaft I. By the adoption of the scheme, precision machining of the eight semicircular plum blossom holes of the rolling mill stand is achieved.

Description

[0001] technical field [0002] [0003] The invention relates to the field of boring machines, in particular to a rolling mill frame boring machine. [0004] Background technique [0005] The Sendzimir rolling mill accounts for more than 90% of the stainless steel rolling in the world. It is one of the best rolling mills in the world and has been widely used by countries all over the world. The rolling mill frame is one of its most important parts, and the processing accuracy of the "8 semicircular quincunx holes" of the rolling mill frame is the main bottleneck restricting its accuracy. At present, domestic processing uses floor boring machines and special tooling to process single holes one by one. However, since the 8 semicircular quincunx-shaped holes of this part are deep holes and the machining accuracy of the holes is high, there are strict requirements on the relative positions, which brings great difficulty to the processing and low processing efficiency. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B39/02B23B27/10B23B29/03
CPCB23B39/02B23B27/10B23B29/03
Inventor 孙先柱张文武王会东钱琳周岩梅庆林杨志勇李华伟
Owner CFHI SHAOXING HEAVY MACHINE TOOL
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