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Three-roller Y shaped prestressed rolling mill

A prestressing and rolling mill technology, applied in the direction of metal rolling stand, metal rolling mill stand, driving device for metal rolling mill, etc. Achieve the effect of advanced structure, compact rolling mill structure and compact structure

Inactive Publication Date: 2005-09-21
山西贝特科贸有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Documents ZL01251560.4 and ZL00212607.9 respectively give two kinds of three-roll Y-type rolling mill structures. The former three roll shafts are transmitted by bevel gear meshing, which is inconvenient to adjust the roll reduction; while the latter adopts the universal joint shaft form. Transmission of power makes the equipment huge and complex in structure

Method used

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  • Three-roller Y shaped prestressed rolling mill
  • Three-roller Y shaped prestressed rolling mill
  • Three-roller Y shaped prestressed rolling mill

Examples

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Embodiment Construction

[0023] A three-roll Y-type prestressed rolling mill, such as figure 1 , 2 , 3, 4 shown, on the fixed frame 4, according to the front and rear order, on its left and right sides (see figure 2 (shown) are respectively installed positive Y-type and reverse Y-type two rolling units. The three roll axes and the three transmission axes of each rolling unit are arranged in an equilateral triangle, such as figure 1 shown. Its mechanical transmission system such as image 3 As shown, corresponding to each rolling unit, three groups (two for each group) are fixedly installed in the holes on the fixed frame 4 and have a hollow structure flat shaft 10. The inside of the flat shaft 10 is equipped with a middle shaft through a bearing 17. The transmission shaft 5 of the group cylindrical gear 2, the three transmission shafts 5 of the same rolling unit are equipped with the bevel gear 1 connected with the transmission shaft 5 through the key 12, and there are three groups (two in each g...

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Abstract

The invention relates to a three-high Y-pattern initial stress mill, belongs to the milling machinery technique fields, characterized in that it sets the positive Y-pattern and the reverse Y-pattern rolling units on the same fixed frame 4, each unit set three flat shafts 10 in the upper hole of the frame 4 as the mechanical gearing system, inside the shaft 10 sets the drive shaft 5 which has gears in the middle and angle gears in the ends, the movable frame 8 with a roll bearing 7on it covers the flat shafts 10, the roll 3 and gear 15 is set on the roll bearing 7, the bolt 6 whose left interfere with the fixed frame 4 is fitted with the bolt 11 set on the movable frame 8, the two ends of the rolling bearing 7 has the screwed hole 16 fitted with the bolt 9.

Description

Technical field: [0001] The invention belongs to the technical field of steel rolling machines, and in particular relates to a three-roller Y-shaped steel rolling machine. Background technique: [0002] Using a three-roll Y-type rolling mill to roll metal bars or wires, especially continuous rolling, can make the metal evenly stressed during deformation and reduce additional deformation, thereby reducing the degree of work hardening of metal materials (during cold deformation), Reduce energy consumption and increase pass elongation. This rolling method is especially suitable for forming metal materials with high deformation resistance and poor plasticity, such as stainless steel and alloy steel materials. There are many types of three-roll Y-rolling mills, such as three-roll completely passive three-roll drawing roll molding machine, one-roll active and two-roll passive Y-rolling mill, three-roll fully active Y-rolling mill, etc. In continuous rolling, in order to achieve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/16B21B13/10B21B35/12
Inventor 杨晓明郝桂梅李同喜
Owner 山西贝特科贸有限公司
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