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Special combined fixture for machining upper end face and lower end face of round mold crystallizer copper tube and use method of special combined fixture

A crystallizer copper tube and end surface processing technology, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of poor manufacturing accuracy and low processing efficiency of the upper and lower end surfaces of copper tubes, so as to improve product quality and reduce The effect of rejecting defective products and simplifying the operating procedures of installation and correction

Active Publication Date: 2015-03-25
ANHUI MA STEEL SURFACE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention aims at the deficiencies existing in the existing manufacturing technology of the copper tube of the round billet crystallizer, and provides a special combination fixture for processing the upper and lower ends of the copper tube of the round billet mold and its use method, so as to solve the problem of poor manufacturing accuracy of the upper and lower end faces of the copper tube and the processing low efficiency

Method used

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  • Special combined fixture for machining upper end face and lower end face of round mold crystallizer copper tube and use method of special combined fixture
  • Special combined fixture for machining upper end face and lower end face of round mold crystallizer copper tube and use method of special combined fixture
  • Special combined fixture for machining upper end face and lower end face of round mold crystallizer copper tube and use method of special combined fixture

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Preferred embodiment 1, an example of processing the upper and lower end faces of the φ280×780 crystallizer copper tube

[0060] skills requirement

[0061] Length 780±0.1

[0062] Copper tube outer diameter φ328

[0063] The parallelism of the upper and lower ends of the copper tube is 0.1

[0064] The parallelism between the upper and lower ends of the copper tube facing the central plane is 0.1

[0065] 1. Cut off the excess parts at both ends of the extruded copper pipe on a sawing machine, and the length is 790-800mm.

[0066] 2. Place the positioning plate 7 on the machine table, perform precise alignment, and fix it with screws 9.

[0067] 3. Press the combination fixture bottom plate figure 2 assembled and fixed on the machine table.

[0068] 4. Select the size of the central round hole as φ328 for the upper and lower clamping plates 2 and 3, install the lower clamping plate on the bottom plate 1 as shown in the figure, the flange edge is closely aligned ...

Embodiment 2

[0073] Preferred embodiment two, example of processing upper and lower end faces of φ330×800 crystallizer copper tube

[0074] skills requirement

[0075] Length 800±0.1

[0076] Copper tube outer diameter φ381

[0077] The parallelism of the upper and lower ends of the copper tube is 0.1

[0078] The parallelism between the upper and lower ends of the copper tube facing the central plane is 0.1

[0079] 1. Cut off the excess parts at both ends of the extruded copper pipe on a sawing machine, and the length is 810-820mm.

[0080] 2. Select the upper and lower clamps with the center hole size as φ381, replace the upper and lower clamps with φ328 and fix them.

[0081] 3. Place the copper tube 5 to be processed in the semicircular groove of the lower clamping plate 2, so that the lengths of both ends of the copper tube are roughly equal, and use the upper clamping plate 3 and bolts 4 to clamp the copper tube 5 tightly.

[0082] 4. The two ends of the copper tube are process...

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Abstract

The invention relates to a special combined fixture for machining the upper end face and the lower end face of a round mold crystallizer copper tube and a use method of the special combined fixture. The fixture comprises an installation bottom plate, a first set of upper and lower clamping plates, a second set of upper and lower clamping plates and a positioning plate. The installation bottom plate is used for arranging the fixture on a machine tool or a worktable. The first set of upper and lower clamping plates are vertically arranged at one end of the installation bottom plate, the second set of upper and lower clamping plates are vertically arranged at the other end of the installation bottom plate, the upper clamping plates correspond to the lower clamping plates from the upper portion, and preset shapes are formed between the upper clamping plates and the lower clamping plates so that the copper tube to be machined can be positioned and fixed. The positioning plate is arranged on the machine tool or the worktable and used for positioning the installation bottom plate. By means of the fixture, the standard of upper end face and lower end face machining of the copper tube difficult to precisely position is ingeniously transferred to the fixture, and precise installation and positioning of the copper tube are guaranteed through the specially designed structure of the fixture. Accordingly, errors caused by a lineation method or a simple backer are avoided, it is guaranteed that machined parts are precise and reliable, product quality is improved, and defective products are reduced.

Description

technical field [0001] The invention relates to a crystallizer copper tube for metallurgical continuous steel casting, in particular to a processing and manufacturing technology for an arc-shaped round billet crystallizer copper tube. Background technique [0002] Mold copper tube is a key component in metallurgical continuous steel casting production equipment. According to the shape of the billet cross-section, mold copper tube can be divided into square billet, round billet, rectangular billet and other types. Among them, the arc-shaped round billet mold copper Tube is one of the most widely used types at present. Since the mold copper tube is in a particularly important position in the continuous casting machine, its processing and manufacturing precision requirements are particularly high. [0003] The arc-shaped round billet mold copper tube is characterized in that the transverse section of the mold copper tube cavity is circular and the longitudinal axis line along ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/06
CPCB23Q3/064
Inventor 李国徽高芳斌孙明
Owner ANHUI MA STEEL SURFACE TECH CO LTD
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