JP2000061523A - Sheet metal production system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To continue a system to turn a sheet metal and shift it to a following line avoiding interruption of the system owing to cooling, transfer and unwiding after coiled. SOLUTION: In order that a sheet metal proceeding with its upper surface to the out side may turn at 180 deg. round a horizontal cylindrical body 21 inclined at 45 deg. to the proceeding direction of the sheet metal, a group of small guide cylinders 22 are arranged in parallel so as to be capable of adjusting clearance according to the thickness of the sheet metal; at the same time the sheet metal shifts horizontally to the following line supported by a row of guide cylinders 3, the sheet metal winds round a following inclined cylinder 45 having its axis line crossing the inclined cylinder at right angles while proceeding and turns at 180 deg.; after that, without winding a guide mechanism for turning the sheet metal comprising a group of guide cylinders 4 around this inclined cylinder so as to make the sheet metal proceed in the direction adverse to the captioned direction, and through proceeding in the direction adverse to the captioned, proceeding of the sheet metal is combined with a reversely running line.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin plate production system including a rolling process, which contributes to speeding up of production, simplification of equipment, reduction of cost and energy saving.

[0002]

2. Description of the Related Art Conventionally, in the production of thin plates, as shown in FIG. 1, an intermediate thin plate obtained by hot rolling is wound around a coil, removed, cooled, and then sent to a cold rolling factory where it is mounted on a coil hook. After rewinding, pickling, cold rolling, temper rolling, etc., if necessary, after plating, etc., various processes such as cutting into appropriate size and packing are performed intermittently. However, there is a problem with the continuity between processes, and the production time, production cost, and facility facilities are excessive.
There are many drawbacks, such as wasted energy.

[0003]

The thin plate obtained by hot rolling is folded back to the next line without being wound into a coil, and after the sub-hot rolling and cooling, the folding process is appropriately inserted in the middle. After performing pickling, cold rolling, temper rolling, etc., a system that continuously performs at least part of the processes from plating, cutting to the required dimensions, and packing. An example thereof is shown in FIG. The problem is the folding mechanism that moves the thin plates between the lines.

[0004]

The main object is a thin plate folding mechanism. Structural examples are shown in a plan view of FIG. 3A and a side view of FIG. With respect to the traveling direction of the thin plate 1 on the line 01, a large feeding cylinder 21 inclined 45 ° toward the next line 02 and a small feeding cylinder group 22 arranged in parallel with a gap 21 around the large feeding cylinder 21. Is provided, and the feed drive is given to at least one of 21 and 22, and 21 and 2 are provided.
The thin plate introduction portion 2 is a combination with the second thin plate 2 and the traveling thin plate 1 is rotated 180 ° around the feeding large cylinder 21 while the traveling thin plate 1 is traveling, and the gap between the guide small roll groups 31-32 traveling in the direction perpendicular to the line 01. Large guide cylinder 4 inclined 45 ° to the opposite side so as to form a right angle with the introduction guide large roll 21 through
18 while advancing a lead-out portion 4 composed of a lead-out small cylinder group 42 arranged in parallel with each other with a gap corresponding to the plate thickness being kept around the lead-out portion 1.
Line 0 that turns 0 ° and runs in the opposite direction to the front line
Move to 2. On the turning table 5 shown in FIG. 4, so that it can be wound directly on the coil without moving to the line 02,
The introducing section 2 and the winding section 6 are arranged around the table turning center, and one of 2 and 6 is selectively used as required. When the line is provided on the side opposite to the line 02 with respect to the line 01, the group of cylinders is swiveled and the group of cylinders inclined at 45 ° on the side opposite to the introduction section 2 is used. Before and after folding back, in order to ensure the operation of the thin plate, the pushing roll 11 and the pulling roll 12
Should be provided.

In the case of steel sheet with line 01 as the area of the hot rolling process, the temperature is about 1200 ° C. at the entrance of the rough rolling mill and about 900 ° C. at the exit of the finish rolling mill. In the case of taking, the heat energy from 700 ° to 800 ° C. to normal temperature is dissipated without being used before pickling before starting cold rolling. If it is folded back to the line 02 according to the present invention, there is a possibility of utilizing the sub-hot region of 700 ° C to 800 ° C or less for rolling. Although sub-hot rolling is an unexplored area, there is little change in the structure, and a considerable portion of cold rolling can be taken over, resulting in a large energy saving as a whole. Line 01 hot rolling process, line 02
Include the sub-hot rolling process and cooling process,
Similar to 01 → 02, it goes to the line 03 through the turning part using the 45 ° inclined cylinder, and goes to the cold rolling process through the pickling process, and then the winding or the secondary cold rolling through the turning mechanism. Completed, rolled up, or passed through the turn-back section, processing line 0 for buffer, plating, etc.
It is typical, but not limiting, to move from 5 to line 06 which includes the cutting and packing process to complete the system.

[0006]

As shown in FIG. 2, the thin plate 1 produced by the hot rolling is surely introduced into the thin plate introducing portion 2 by the pushing roll 11 and is turned in the direction perpendicular to the line while performing the screw movement. A line 02 that advances and runs in the opposite direction to the line 01 while performing a screw movement in the lead-out section 4.
However, at this time, the pull-out roll 12 surely pulls it out of the lead-out section 4. In line 02, rolling is carried out in a sub-heat having a relatively small rolling resistance, so that the load of the next cold rolling can be saved and remarkable energy saving can be achieved. Then, after entering the line 03 through the turnaround portion, after pickling, cold thin plate rolling, secondary cold rolling after annealing in line 04 or temper rolling, and processing such as plating in line 05, At 06, the process of cutting to the required size and shipping is automatically performed to complete the system. The description of various processes on the way is omitted. At the line terminal in the middle of the above process, switch to the winding device,
The thin plate may be wound up. In any case, it is possible to continue the process by avoiding the trouble of winding and rewinding in the middle, and realize energy saving, shortening of production time, and low cost.

[0007]

EXAMPLE An example of the structure of the folding mechanism is as shown in FIG. 3, and an example of the structure of the entire system is as shown in FIG.
There are possible changes such as combinations, detailed structures, and addition of new processes, but the basics are as described above. As shown in FIG. 4, on the turntable 5, so that the conventional coil winding can be performed at the folding portion,
The winding part 6 and the half part 7X of the folded part are provided, and 7X
Is placed on the small turning table 8 in the turning table 5 to enable switching between right tilting and left tilting. Electric motors 60 and 7
0 is used to drive 6 and 7X, respectively.

[0008]

According to the present invention, in the production of thin plates,
The process is continuously performed without winding or rewinding on the way, and the production facility is made compact, the production time is shortened, the energy is saved, and the cost is reduced.

[Brief description of drawings]

FIG. 1 shows an example of a block diagram of a conventional thin plate production system.

FIG. 2 is an example of a block diagram of a production system of the present invention.

FIG. 3 is a plan view (a) and a side view (b) showing a structural example of a thin plate folding mechanism.

FIG. 4 is a plan view of a swivel table mechanism capable of switching a folding portion.

[Explanation of symbols]

01, 02, 03, ... Line, 1 ... Thin plate, 2 ... Thin plate introduction section, 21 ... Large cylinder for feeding, 22 ... Small cylinder group for feeding, 31, 32 ... Small roll group for guiding, 4 ... Thin plate leading section, 41 ... Derived large cylinder, 42 ... Derived small cylinder group,
5 ... Revolving table, 6 ... Winding part, 60 ... 6 driving electric motor, 7X ... One of folding parts, 70 ... 7X driving electric motor, 8 ... Small turning table.

Claims (3)

[Claims] 1. A guide cylinder around a horizontal cylinder having an angle axis inclined within a permissible range with respect to the traveling direction of the plate material at an angle of 45 ° so that the plate material is rotated 180 ° while the plate material is traveling with its upper surface facing outward. Around the inclined cylinder, the gap is adjusted in parallel corresponding to the plate thickness, and the plate material is moved horizontally while being supported by the guide cylinder row on the next process side, and the axis and the axis of the inclined cylinder are It is characterized in that a guide cylinder group is provided around the inclined cylinder so that the plate material advances in the direction opposite to the direction of the heading after it is wound around the next inclined cylinder which is orthogonal to it and turned 180 °. Fold back guide mechanism for plates. 2. A thin plate extruded from a hot rolling mill is passed through the plate material folding mechanism according to claim 1 without being wound up, and the plate material is advanced in the opposite direction to carry out sub-hot rolling and cooling. After that, at least some of the processes including pickling, cold rolling, temper rolling, plating, and cutting and packing are intermediate between the folding guide mechanism according to claim 1. Then, the thin plate production system is characterized by combining the steps of reversing the traveling direction of the plate material. 3. After hot rolling, without winding the thin plate,
A method for producing a thin plate, comprising moving to the next line by means of the folding guide mechanism for a plate material according to claim 1 and rolling in a sub-heat.