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Star type multi-roller adjustable precision rolling mill

A precision, rolling mill technology, applied in the field of star-shaped multi-roll adjustable precision rolling mills, can solve the problems of roll pass wear, increase roll consumption, affect product surface quality and other problems, achieve small pass wear, good rolling effect, and consistent The effect of product tolerances

Pending Publication Date: 2019-04-05
四川易尚天交实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This non-uniformity of deformation is not only easy to produce surface cracks on steel types with poor plasticity, but also very serious to the wear of the roll pass, which will eventually affect the surface quality of the product and increase the consumption of the roll;

Method used

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  • Star type multi-roller adjustable precision rolling mill
  • Star type multi-roller adjustable precision rolling mill
  • Star type multi-roller adjustable precision rolling mill

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0031] Such as Figure 1-Figure 4As shown, a star-shaped multi-roll adjustable precision rolling mill includes a main frame 1, three sets of eccentric sleeve assemblies 2 arranged in the main frame at the same angle in a star shape, and a long axis assembly 3 arranged in the eccentric sleeve assembly 2, The adjustment mechanism 6 of the bevel tooth engagement of the eccentric sleeve assembly 2;

[0032] The eccentric sleeve assembly 2 includes a transition sleeve 8, a support plate 11, a bearing sleeve 9 and an inner eccentric sleeve 13. The transition sleeve 8 and the bearing sleeve 9 are positioned and connected with positioning pins and locked with screws. The bearing sleeve 9 It is connected with the first support plate 111 by positioning pins and screws, and the second support plate 112 is connected with the inner eccentric sleeve 13 by positioning pins and screws. The support block 12 is positioned between the two support plates 11, and the two support plates 11 The gap...

specific Embodiment approach

[0041] Specific implementation method: star-shaped multi-roll adjustable precision rolling mill, such as figure 1 As shown, the main frame 1 has a star-shaped cavity inside, which is used to install and disassemble the tapered sleeve 5 rolls. Three sets of eccentric sleeve assemblies 2 are installed in the holes, and the long axis assembly 3 is installed in the eccentric sleeve assembly 2, and is tightened by the pull rod 4. Each set of long axis assemblies 3 is driven by an external drive mechanism. The roll on the long axis assembly 3 rolls the bar, and the adjustment mechanism 6 is engaged with one of the eccentric sleeve assemblies 2 through the bevel gear. When the adjustment mechanism 6 is rotated and adjusted, the eccentric sleeve assembly 2 engaged with the adjustment mechanism 6 Drive the long axis assembly 3 to rotate, because the outer circle of the eccentric sleeve assembly 2 is eccentric to the axis of the inner hole, the eccentric sleeve assembly 2 rotates around...

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Abstract

The invention relates to a star type multi-roller adjustable precision rolling mill which solves the technical problems of large rolling extension widths, fixed hole types, rough quality and the likein the prior art. The star type multi-roller adjustable precision rolling mill is suitable for being popularized and used by adopting the technical route that the precision rolling mill comprises a main machine frame, three sets of eccentric bushing assemblies arranged in the main machine frame in a star type with the same angle, long shaft assemblies arranged in the eccentric bushing assemblies and adjusting mechanisms in bevel-gear meshing with the eccentric bushing assemblies.

Description

technical field [0001] The invention relates to the technical field of rolling mills, in particular to a star-shaped multi-roller adjustable precision rolling mill. Background technique [0002] At present, the two-roll bar mill commonly used in the industry requires strict tolerance requirements, high surface quality requirements, and small batches of bars in the market. It requires rapid switching of different specifications of products. In addition to ensuring technology and quality-related goals, rolling The economy of the manufacturing process is the primary consideration of steel manufacturers. To reduce operating costs, increase metal shrinkage, and reduce subsequent processing costs, two-roll rolling mills can no longer meet market trends. [0003] In the prior art, the two-roll rolling mill is used, and the deformation stress has a great influence on the internal quality of the steel. During the rolling process, the rolled piece has a large height and a small relati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B13/20B21B31/26
CPCB21B13/20B21B31/26
Inventor 冯春安董兴亮魏稼丰杨维清邓兵朱树尧
Owner 四川易尚天交实业有限公司
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