CN2790619Y

CN2790619Y - Ply rolling pack for ply-rolling titanium alloy sheet

Info

Publication number: CN2790619Y
Application number: CN 200420055164
Authority: CN
Inventors: 洪权; 杨冠军; 赵永庆; 戚运莲; 刘向; 郭萍
Original assignee: Northwest Institute for Non Ferrous Metal Research
Current assignee: Northwest Institute for Non Ferrous Metal Research
Priority date: 2004-12-28
Filing date: 2004-12-28
Publication date: 2006-06-28
Anticipated expiration: 2014-12-28

Abstract

The utility model relates to a ply-rolling method, particularly a ply rolling pack during the process of the production for rolling titanium alloy thin plates, which is characterized in that thin steel plates with thickness from 1.0 to 2.0 mm are used as side sealing plates and is in sealing welded along four side surfaces of the ply rolling pack after coated steel plates and titanium alloy core plates are assembled and clamped. The sealing plates on the four surfaces of the ply rolling pack are provided with uniformly distributed via holes; the area of the via holes takes 30 to 60 % of the entire areas of the lateral surfaces. The utility model can prevent the problems, such as a separating pack, split, the movement of the core plates, fold, piling up, etc., in the periods of hot rolling working process of the ply rolling pack from happening. The titanium alloy thin plates with good properties and uniform size are finally produced out.

Description

A kind of ply rolling bag of ply rolling titanium-alloy thin-plate

Technical field

The utility model relates to a kind of ply rolling bag that adopts in the rolling titanium-alloy thin-plate production process of ply rolling method.

Background technology

Titanium alloy is the very excellent metal material of a kind of performance, be widely used in fields such as Aeronautics and Astronautics, chemical industry, electronics, sports goods, titanium alloy plate is its important product form, account for 40%～60% of total output, but the cold working property of general commercial titanium alloy all lower (about 20%), therefore in the sheet material process, exist long, problems such as yield rate is low, surface quality difference of production cycle, and adopt coating ply rolling processing method that these problems are readily solved.The plate product that coats ply rolling reaches structured size, thickness is even, structure property is good in order to make, and the version of ply rolling bag is very crucial.Titanium alloy plate coats in the ply rolling process and jacket cracking, the mutual play of titanium alloy central layer occur or extrude jacket and problems such as the core titanium alloy sheet is folding, accumulation through regular meeting, influences production efficiency and product quality.

Summary of the invention

The utility model is exactly the deficiency that exists at above-mentioned prior art, provides a kind of and can effectively solve jacket cracking, the mutual play of titanium alloy central layer or extrude jacket and the ply rolling bag of the ply rolling titanium-alloy thin-plate of problems such as the core titanium alloy sheet is folding, accumulation.

The purpose of this utility model is achieved through the following technical solutions.

A kind of ply rolling bag of ply rolling titanium-alloy thin-plate, its structure is formed and is comprised: 2～6 layers, thickness is that the titanium alloy plate lamination of 2～25mm is placed as central layer, and the release agent layer of the graphite powder or the molybdenum powder of even brushing arranged between central layer; At upper and lower one deck steel plate that respectively covers of central layer, steel plate and central layer contact-making surface have the release agent layer of the graphite powder or the molybdenum powder of even brushing; It is characterized in that it also comprises: will coat the assembling of steel plate and titanium alloy central layer and clamp the back and adopt the thick sheet metal of 1.0～2.0mm to make side seal board to carry out soldering and sealing along four sides of ply rolling bag, and leave uniform through hole on four side shroudings of ply rolling bag, via area accounts for 30%～60% of whole lateralarea.

Ply rolling bag of the present utility model, its central layer gross thickness is controlled to be 0.5～2.5 with the ratio of the gross thickness that coats steel plate.

The utility model can make ply rolling wrap in to avoid occurring in the hot rolling process problems such as Bales Off, cracking, central layer play and folding, accumulation, finally processes even, the well behaved titanium-alloy thin-plate of size.

Description of drawings

Fig. 1 is a contour structures schematic diagram of the present utility model.

Fig. 2 closes the signal of soldering and sealing process for ply rolling package of the present utility model.

The specific embodiment

The utility model is further described as follows below in conjunction with accompanying drawing.

A kind of ply rolling bag of ply rolling titanium-alloy thin-plate, its structure is formed and is comprised: 2～6 layers, thickness is that titanium alloy plate 1 lamination of 2～25mm is placed as central layer, and the release agent layer 2 of the graphite powder or the molybdenum powder of even brushing arranged between central layer; At the upper and lower one deck steel plate 3 that respectively covers of central layer, steel plate and central layer contact-making surface have the release agent layer 4 of the graphite powder or the molybdenum powder of even brushing; It is characterized in that it also comprises: will coat the assembling of steel plate and titanium alloy central layer and clamp the back and adopt the thick sheet metal of 1.0～2.0mm to make side seal board 5 to carry out soldering and sealing along four sides of ply rolling bag, and leave uniform through hole 6 on four side shroudings of ply rolling bag of sealing, via area accounts for 30%～60% of whole lateralarea.The central layer gross thickness is controlled to be 0.5 ~ 2.5 with the ratio of the gross thickness that coats steel plate; The gross thickness of ply rolling bag is then decided on the working ability of plate mill, and welding manner is alternating current arc welding.

Adopt the normal carbon steel or stainless steel with coating steel plate during production, before placing, lamination evenly brushes or is sprayed at the contact-making surface of titanium alloy sheet and steel plate, thickness is 0.1～0.3mm, the titanium alloy central layer adopts through sandblast or alkali pickling processes, the intermediate gauge titanium alloy plate of any surface finish, be assembled into ply rolling bag of the present utility model, the ply rolling bag is used sheet metal soldering and sealing on four sides, after ply rolling Bao Cheng prepares, be placed on and be heated to 800 ℃～1000 ℃ in the heating furnace, adopt plate mill that the ply rolling bag is carried out hot rolling processing then, be worked into after the size and the ply rolling bag split and to take out titanium-alloy thin-plate.

Claims

1. the ply rolling bag of a ply rolling titanium-alloy thin-plate, its structure is formed and is comprised: 2～6 layers, thickness is that the titanium alloy plate lamination of 2～25mm is placed as central layer, and the release agent layer of the graphite powder or the molybdenum powder of even brushing arranged between central layer; At upper and lower one deck steel plate that respectively covers of central layer, steel plate and central layer contact-making surface have the release agent layer of the graphite powder or the molybdenum powder of even brushing; It is characterized in that it also comprises: will coat the assembling of steel plate and titanium alloy central layer and clamp the back and adopt the thick sheet metal of 1.0～2.0mm to make side seal board to carry out soldering and sealing along four sides of ply rolling bag, and leave uniform through hole on four side shroudings of ply rolling bag, via area accounts for 30%～60% of whole lateralarea.

2. the ply rolling bag of a kind of ply rolling titanium-alloy thin-plate according to claim 1 is characterized in that its central layer gross thickness and the ratio of the gross thickness that coats steel plate are controlled to be 0.5～2.5.