CN211304254U - Rolling assembly of corrosion-resistant metal composite plate for construction industry - Google Patents

Abstract

The utility model provides a rolling group of corrosion-resistant metal composite sheet for building trade comprises two explosion welding composite sheet blanks of the same size, explosion welding composite sheet blank comprises a corrosion-resistant multiple sheet and a basic unit steel sheet, and the length of corrosion-resistant multiple sheet and the wide surface laminating welding of basic unit steel sheet, the length of corrosion-resistant multiple sheet one side on two explosion welding composite sheet blanks is multiplied by wide surface and is stacked relatively and is filled with one deck isolating agent, connects through the seal welding between the length of opposite side and mutual alignment on two explosion welding composite sheet blanks and the wide border. And rolling the rolled assembly along the length direction of the rolled assembly, cutting the edge part of the rolled assembly subjected to sealing welding according to the length and width of the required composite plate, and cleaning the surface to prepare two required corrosion-resistant metal composite plates. The utility model discloses can avoid directly adopting explosion welding or rolling method to make corrosion-resistant metal clad plate's drawback, be convenient for carry out high-efficient high-quality manufacturing to the corrosion-resistant metal clad plate of great size.

Description

Rolling assembly of corrosion-resistant metal composite plate for construction industry

Technical Field

The utility model relates to a corrosion-resistant metal clad plate field especially relates to a rolling group of corrosion-resistant metal clad plate for building trade.

Background

In the building industry, a panel is used as a working surface and is positioned at the uppermost part of a mould platform, contact media mainly comprise concrete mortar and water, and although the corrosion of the media is not strong, a common steel material is easy to rust due to being in a wet state for a long time. At present, a panel of the multifunctional mould table for the construction industry is generally made of a Q235B steel plate, the specification size is 10 multiplied by 4000 multiplied by 9000mm, the smooth and clean surface, the rust prevention and the splicing welding prevention can be ensured, the general use requirements can be met, but due to the surface corrosion problem, the surface of a precast concrete part can be permeated with iron rust to generate spots, the surface quality of a precast product cannot reach the standard and is scrapped, the economic loss is large, and therefore the surface quality of the precast product is ensured by the panel material with the corrosion resistance, and the multifunctional mould table has important significance for reducing waste products and reducing cost.

The composite steel plate can give full play to respective advantages of the base layer material and the clad layer material, so that the materials can be perfectly matched in performance, if the die table panel is manufactured by adopting the composite steel plate to replace a single steel plate, the die table panel can have good corrosion resistance of the clad layer material and also can have the strength of the base layer material, thereby simultaneously meeting the requirements of the panel in the building industry on two aspects of mechanical strength and corrosion resistance, not only effectively solving the problem of surface corrosion and ensuring the surface quality of a concrete prefabricated part product, but also avoiding the trouble of repeated rust removal, having the characteristics of long service life and no maintenance, and having important values in all aspects of technology, economy and quality.

Steel sheets are generally obtained by rolling a slab, and composite steel sheets are generally obtained by explosion welding of a base plate and a clad plate. However, when a composite board with a large length, width and size not less than 9000 x 4000mm is directly manufactured by explosive welding, due to the fact that the width of the composite board is large and the steel plate is relatively thin, an un-compounded area is easily formed between the base plate and the composite board, and the local convex-concave shape of the plate cannot meet the quality requirement; and because the width of the plate is not less than 4000mm, the rolling difficulty of the existing rolling mill is high, the performance requirement of the rolling mill is high, the poor plate edge combination is easily caused, and the quality requirement of the composite plate is also difficult to meet, so that the corrosion-resistant metal composite plate with the length multiplied by the width of not less than 9000 multiplied by 4000mm is difficult to efficiently and high-quality produce in the prior art, and the requirement of the building industry on the panel is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a building trade is with corrosion-resistant metal composite's rolling group blank is convenient for carry out high-efficient high-quality production manufacturing to the corrosion-resistant metal composite of length × wide size no less than 9000 × 4000 mm.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a rolling assembly of corrosion-resistant metal composite plates for the building industry is characterized in that the length and width of each composite plate are not less than 9000 multiplied by 4000mm, the rolling assembly consists of two explosion-welded composite plate blanks, each explosion-welded composite plate blank consists of a corrosion-resistant composite plate and a base steel plate, the length and width surfaces of the corrosion-resistant composite plate and the base steel plate are jointed and welded, the two corrosion-resistant composite plates in the two explosion-welded composite plate blanks are the same in size, and the two base steel plates are also the same in size;

the length multiplied by the width surfaces of one side of the corrosion-resistant composite plates on the two explosion-welded composite plate blanks are oppositely stacked, a layer of isolating agent is filled between the opposite surfaces of the two explosion-welded composite plate blanks, and the length and width edges of the opposite sides of the two explosion-welded composite plate blanks which are mutually aligned are connected through seal welding; the size of the rolling assembly satisfies that when the rolling assembly is rolled along the length direction according to the rolling proportion of 5-15 times, the thicknesses of two explosion-welded composite plate blanks in the rolling assembly can be rolled to the thickness of a required composite plate.

Preferably, the thickness of the base steel plate is larger than that of the corrosion-resistant composite plate.

Preferably, the release agent is a magnesium oxide binder.

According to the technical scheme, the beneficial effects of the utility model are that:

the utility model provides a building trade is with corrosion-resistant metal clad plate's rolling group blank, explosion welding composite slab through two equidimensions stacks the formation, after rolling along the length direction of rolling group blank, seal welding border to rolling group blank cuts and can make two composite sheet separations, just can obtain two corrosion-resistant metal clad plate of required size, thereby make the thickness of corrosion-resistant compound plate and basic unit's steel sheet when carrying out explosion welding originally can be greater than its final thickness after rolling in the composite sheet, and the laminating condition of corrosion-resistant compound plate and basic unit's steel sheet has been improved through rolling process, just can eliminate explosion welding composite slab because the slab width is great and the steel sheet is relatively thin, lead to appearing easily in explosion welding process between base plate and the compound plate and exist not compound regional and lead to the condition of the local convex-concave of plate shape, overcome the corrosion-resistant metal clad plate that length is multiplied by the width size and is not less than 9000 x 4000mm when directly producing through explosion welding The quality of the plate shape is low.

The utility model discloses in connect through the seal welding between two relative one side of explosion welding composite slab and the long and wide borders of aligning each other, make rolling group blank when sending into the rolling mill, can guarantee that the border of explosion welding composite slab keeps combining in rolling in-process, avoid leading to the problem that rolling in-process flange combines badly easily because the plate width is not less than 4000mm, the requirement to the rolling mill performance has been reduced, and the size of rolling group blank satisfies and to make rolling proportional control at 5~15 times's reasonable scope, further guarantee the smooth high efficiency of rolling process and go on.

The utility model discloses the surface of corrosion-resistant doubling board is relative on two piece well explosion welding composite slab, just can guarantee that the surface of the roll direct contact with the rolling mill is whole to be basic unit's steel sheet in rolling process, and still filled the isolating agent between two explosion welding composite slab that stack, just can fully protect the surface of corrosion-resistant doubling board in rolling process, avoid corrosion-resistant doubling board because hardness is lower and take place the damage, guaranteed to carry out the quality requirement after rolling to the composite sheet, be convenient for carry out high-efficient high-quality production manufacturing to long X wide dimension not less than 9000X 4000 mm's corrosion-resistant metal composite sheet, satisfy the demand to the panel in the building trade better.

Drawings

FIG. 1 is a schematic view of a rolling stack of the present invention;

fig. 2 is a schematic view of an explosion-welded composite slab of the present invention;

fig. 3 is a schematic top view of a rolled assembly being cut, wherein the solid line is the rolled edge of the rolled assembly and the dotted line is the long and wide edge of the desired composite plate.

The labels in the figure are: 1. corrosion-resistant clad plate, 2, base steel plate, 3 and isolating agent.

Detailed Description

Referring to the drawings, the specific embodiments are as follows:

the utility model provides a rolling group of corrosion-resistant metal composite sheet for building trade, the length and width size of composite sheet is not less than 9000 x 4000mm, rolling group constitute by two explosion-welded composite slab, explosion-welded composite slab comprises a corrosion-resistant multiple sheet 1 and a basic unit steel sheet 2, and the surface laminating of the length x width of corrosion-resistant multiple sheet 1 and basic unit steel sheet 2 is welded, and two corrosion-resistant multiple sheet 1's in two explosion-welded composite slab size are the same, and two basic unit steel sheet 2's size is also the same. Because the cost of the base steel plate 2 is far lower than that of the corrosion-resistant clad plate 1, the thickness of the base steel plate 2 in the composite plate is usually larger than that of the corrosion-resistant clad plate 1, so that the cost of the composite plate is relatively reasonable.

The length multiplied by the width surfaces of one side of the corrosion-resistant composite plates 1 on the two explosion-welded composite plate blanks are oppositely stacked, a layer of isolating agent 3 is filled between the opposite surfaces of the two explosion-welded composite plate blanks, the isolating agent 3 can adopt magnesium oxide binder, and the length and the width edges, which are opposite to each other and are aligned with each other, on the opposite sides of the two explosion-welded composite plate blanks are connected through seal welding; the size of the rolling assembly meets the requirement that when the rolling assembly is rolled along the length direction of the rolling assembly according to the rolling proportion of 5-15 times, the thicknesses of two explosion-welded composite slabs in the rolling assembly can be rolled to the thickness of a required composite slab, and the specific size of the rolling assembly can be flexibly controlled according to different materials and different rolling requirements of the composite slab.

Example (b): the size of the plate blank is calculated according to the rolling proportion of 5 times, firstly, a corrosion-resistant composite plate 1 with the material of 316L and the specification of (6 multiplied by 4300 multiplied by 2600) is subjected to explosion welding with a base steel plate 2 with the material of Q345R and the specification of 50 multiplied by 4200 multiplied by 2500mm (thickness multiplied by width multiplied by length), and two explosion-welded composite plate blanks with the specification of (316L + Q345R) - (6 + 50) multiplied by 4200 multiplied by 2500mm are formed. And then coating a layer of isolating agent 3 on the surface of the corrosion-resistant composite plate 1 in the explosion-welded composite plate blanks, turning one explosion-welded composite plate blank to enable the corrosion-resistant composite plate 1 to face downwards, and stacking the other explosion-welded composite plate blank and the corrosion-resistant composite plate 1 in alignment. And then, performing seal welding and vacuum treatment on the peripheries of the closely aligned long and wide edges of the two explosion-welded composite plate blanks to form a rolling assembly. Then hot rolling the rolling assembly, rolling along the length direction according to the rolling proportion of 5 times, and then performing plasma cutting along the sealed and welded edges at the periphery of the rolling assembly according to the graph shown in figure 3, so that the two explosion-welded composite slabs are separated and then subjected to surface cleaning, and two required corrosion-resistant metal composite plates can be obtained, wherein the specification of the composite plates is (316L + Q345R) - (1.2 + 10) x 4000 x 10000mm, and the plate shape is good and meets the use requirement.

Claims (3)

1. A rolling assembly of corrosion-resistant metal composite plates for the construction industry is disclosed, the length and width dimensions of the composite plates are not less than 9000 multiplied by 4000mm, and the rolling assembly is characterized in that: the rolling assembly consists of two explosion-welded composite slabs, each explosion-welded composite slab consists of a corrosion-resistant composite plate (1) and a base steel plate (2), the long and wide surfaces of the corrosion-resistant composite plates (1) and the base steel plates (2) are jointed and welded, the two corrosion-resistant composite plates (1) in the two explosion-welded composite slabs are the same in size, and the two base steel plates (2) are also the same in size;

the length multiplied by the width surfaces of one side of the corrosion-resistant composite plates (1) on the two explosion-welded composite plate blanks are oppositely stacked, a layer of isolating agent (3) is filled between the opposite surfaces of the two explosion-welded composite plate blanks, and the length and the width edges, which are opposite to one side and are aligned with each other, of the two explosion-welded composite plate blanks are connected through seal welding; the size of the rolling assembly satisfies that when the rolling assembly is rolled along the length direction according to the rolling proportion of 5-15 times, the thicknesses of two explosion-welded composite plate blanks in the rolling assembly can be rolled to the thickness of a required composite plate.

2. The rolling assembly of corrosion-resistant metal composite panels for the construction industry according to claim 1, wherein: the thickness of the base steel plate (2) is larger than that of the corrosion-resistant composite plate (1).

3. The rolling assembly of corrosion-resistant metal composite panels for the construction industry according to claim 1, wherein: the separant (3) adopts a magnesium oxide binder.

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