JPS5825521B2 - Strip semi-continuous operation device in strip processing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention improves operations related to winding and unwinding of strips between strip processing apparatuses for subjecting strips to pickling, rolling, etc., and processes the strips semi-continuously. The present invention relates to a semi-continuous strip operating device in a strip processing apparatus that enables efficient strip processing.

In general, for example, cold-rolled steel plate production equipment (strip processing equipment) includes equipment for performing treatments such as pickling, cold pressing, electrolytic cleaning, annealing, temper rolling, and refining.
There are multiple strip processing devices (hereinafter referred to as multiple strip processing devices).
A winding machine for winding the strip into a coil shape and an unwinding machine for unwinding the coiled strip are respectively installed between the strip processing devices.

Therefore, the strip is wound into a coil shape on a take-up reel at the exit side of each strip processing device, and this coiled state (hereinafter referred to as a coil)
Then, the strip is removed from the take-up reel, and then transferred to the input side of the strip processing apparatus for the next processing step, where it is inserted into the rewind reel and subjected to various processing.

As described above, in conventional strip processing equipment, the coil must be removed from the take-up reel at the exit side of each processing equipment, transported to the entry side of the processing equipment for the next processing step, and then inserted into the unwinding reel. Furthermore, if the strip processing efficiency of each processing device is different, troublesome work such as coil handling and temporary placement is required between each processing device.

For example, the latest tandem cold rolling mill (hereinafter referred to as TCM) and subsequent annealing after cold rolling,
With so-called continuous annealing equipment for drawn steel plates (hereinafter referred to as CAL), which integrates various processes such as temper rolling,
For sheet use, TCM is about 100,000 to 150,000 tons per month, and CAL is usually 4 to 150,000 tons per month, although it depends on the furnace length.
Since the processing capacity is approximately 50,000 tons, there is a significant difference in processing efficiency, and this difference cannot be resolved unless two or three CALs are installed for each TCM.Currently, coils are used as described above. Because they must be processed, it is not possible to make them both continuous, and currently a coil storage yard is installed between them and they are operated completely separately.

These factors have led to a decrease in processing efficiency for strips that require continuous processing, an increase in the space for installing equipment, and an increase in the number of processing personnel.

This invention was made to solve the above-mentioned problems, and by moving a sl-IJ tube winding and unwinding machine for winding and unwinding the coil between each processing device. , is characterized in that strip processing can be performed semi-continuously.

The present invention will be explained below with reference to embodiments of the drawings.

A case in which the present invention is applied between a TCM and a CAL is shown in a schematic plan view in FIG. 1 and in a schematic side view in FIG. 2.

As shown, the strip 2 rolled by the rolling rolls of TCMl is processed by the semi-continuous operating device of the present invention into two CALs, namely the first CAL 3;
It moves as a coil 2a wound to a certain length at a predetermined position on the inlet side of the second CAL 4.

Reference numeral 5 denotes a winding and unwinding machine for winding and unwinding the strip 2, and a moving device 6 carrying the winding and unwinding machine 5 moves on a guide 7 to move the strip 2 to a predetermined position on the exit side of the TCMl. From the position (the position at which the strip 2 is wound), the first CAL3,
It moves to a predetermined position on the inlet side of the second CAL 4 (position where the strip 2 is rewound).

The strip 2 is passed through a tension generator 8 onto a take-up rewind reel 5' of a take-up rewind machine 5 which is rotationally driven by a drive motor of the take-up unwind machine 5 at its predetermined position on the outlet side of the TCMl. , and is wound to a certain length by applying appropriate tension.

The strip 2 wound on the take-up and unwind reel 5' is rewound by the drive motor of the take-up and unwind machine 5 at a predetermined position on the entry side of the first CAL 3 and second CAL 4, and
It reaches inside the AL.

The tension generator 8 is intended to reduce the tension of the take-up and rewind reel 5' to reduce the driving force of the drive motor, and may not be provided depending on the TCM equipment.

The take-up and unwind reel 5' is in the position where the strip 2 is wound.
The strips 2 are arranged in a basic straight line, and the strips 2 are wound up in the order described later.

The take-up and unwind reel 5' is at a position where the strut 2 on the inlet side of the first CAL 3 and the second CAL 4 is unwinded.
Two of each are lined up in a straight line, and the strips 2 are rewound in the order described below.

In addition, in the figure, the unwinding direction of the CAL strip 2 is the first
Although the direction is opposite between cAL3 and second CAL4,
The situation is not limited to this, but may vary depending on the scale of the CAL, the location of the equipment, etc.

FIG. 3 shows the above embodiment, that is, one series of TCMi,
There are four take-up and rewind reels 5' (first and second from the left in Figure 1).
, a third and a fourth rewind reel 5'), and two CALs each using two take-up and rewind reels 5' (a first rewind reel 5').
CAL3, 2nd CAL4) Strip 2 when used
This is a table showing the winding and rewinding operation status of , with time on the horizontal axis and each winding and rewinding reel 5' on the vertical axis.

In this table, the state at time a corresponds to the state in FIG.

The thin line C in the table indicates that the steel plate strip 2 is being wound up, and the thick line C indicates that the steel plate strip 2 is being unwound. The take-up and unwind reels indicated by the diagonal arrows represent the situation at time a, that is, on the output side of TCMi, the second
the take-up rewind reel 5' is winding up the strip 2;
On the entry side of the first CAL 3, the first take-up and unwind reel 5
' is unwinding the strip 2, and on the entry side of the second CAL 4, it can be seen that the fourth take-up and unwind reel 5' is unwinding the strip 2; It can be seen that the reel 5' is moving from the exit side of the TCMl toward the input side of the second CAL 4.

Note that the left end portion C' of the thick line C indicates that the leading end of the strip 2 to be rewound is being welded to the rear end of the strip 2 which is already being pre-processed on the CAL input side.

In the table, the diagonal arrow from the thin wire of TCMi to the thick line C on the CAL side indicates that the winding and unwinding reel 5' loaded with the coil 2a is at C.
The diagonal arrow from the thick line C on the CAL side to the thin line on TCM1 indicates that the empty winding/unwinding wheel 5' is moving toward the TCM1 side after it has finished rewinding. Each indicates that it is inside.

The moving device 6 and guide 7 of the take-up and unwinding machine 5 are not shown in detail, but specifically, as a drive system, a self-propelled type using an electric motor or a hydraulic motor, a towing type,
All mechanisms normally used for moving heavy equipment include those using fluid cylinders, those that run on wheels on rails, those that slide on guide liners, and those that use rack and pinion mechanisms. Applicable.

Mechanisms for fixing the take-up and unwind reel 5' at a predetermined position on the outlet side of TCMl and a predetermined position on the inlet side of CAL3.4 include a mechanism using fluid pressure, a wedge driven by an electric motor, etc. Any general heavy machinery clamping method can be applied, such as clamping with pressure in horizontal or vertical directions.

At each predetermined position where the winding and rewinding machine 5 moves, each power supply device and control device (including automatic device) are installed.
As a supply mechanism, a recently developed so-called auto-coupler device is used at the destination.

Next, an example of a specific structure of the take-up and rewind machine will be explained with reference to FIG. 4.

In FIGS. 4a and 4b, A indicates the line center of the TCM in the strip running direction, and B indicates the line center of the CAL in the strip running direction.

9 is a reel mandrel, 10 is a coil wound on the reel mandrel 9, 11 is a TCM winding motor,
The reel mandrel 9 is connected and driven via a coupling 12 supported by a coupling support device 14.

13 is a mandrel shaft, and this and the coupling 12 are connected by fitting the mandrel shaft 13 into the recess of the coupling 12, as if the roll neck of a rolling mill were fitted into the coupling and driven. There is.

Therefore, when the take-up and unwind machine moves from position A to position B, the connection between coupling 12 and mandrel shaft 13 is released.

After the winding and unwinding machine finishes winding the coil with TCM, the sliding hardware 1
It moves from position A to position B along the sliding surface of the sliding liner 16 provided inside the winder 5 and the base 17 of the take-up and rewind machine.

This movement is performed by a pinion 18 and a rack 19 driven by a moving motor (not shown).

At position B, when the take-up and rewind machine is used as a rewind machine, the rewind motor 20, the clutch 21, the speed reducer 22
The reel mandrel 9 is driven via the reel mandrel 9 to perform a rewinding function.

After the rewinding is completed, the above-mentioned moving mechanism causes the take-up and rewind machine to return to the A position again, and this time it functions as a winder.

At this time, the connection between the reel mandrel 9 and the rewinding motor 20 is released by the clutch 21.

As described above, the present invention has the following effects.

(1) Since a winding and unwinding machine is used to wind and unwind the strip, it is possible to save the trouble of removing the reel from the coil and the trouble of inserting the reel into the coil.
It is possible to eliminate the trouble of coil handling and setting up a temporary coil storage yard, etc., which was required in the past, and it is possible to make the strip processing equipment semi-continuous. Continuous processing of strips is possible.

(2) Also, since a take-up and unwinder is used, the number of reels can be reduced (in the above embodiment, there are two on the TCM side).
(2 each on the base and CAL side, which used to require a total of 6 units, but according to this invention only 4 units are required).

(3) There is no need for a coil car for removing and inserting the coil from the reel, equipment to assist these, and auxiliary equipment such as a coil diameter detector and coil height detector to automate this process.

Furthermore, as described above, equipment such as coil handling equipment such as conveyors, cranes, coil banding equipment, etc. is not required, so equipment costs are reduced.

(4) Since the coil can be moved easily, the number of personnel conventionally required to move the coil can be reduced.

[Brief explanation of the drawing]

1 and 2 are a schematic plan view and a schematic side view, respectively, when this invention is applied between TCM and CAL, and FIG. 3 shows time on the horizontal axis and each winding on the vertical axis. This is a table showing various operating conditions such as winding and rewinding when the return reel is taken. FIGS. 4a and 4b are a side view and a front view showing an example of a specific structure of a winder and an unwinder. 1...TCM (tandem cold rolling mill), 2.
......Steel plate strip, 3...1st CAL
(Continuous annealing equipment for drawn steel plates), 4...2nd C
AL (continuous annealing equipment for drawn steel plates), 5... Take-up and unwinding machine, 5'... Take-up and unwinding reel, 6...
...Moving device, 7...Guide, 8...
・Tension generator, a...Time, 9...
Reel mandrel, 10... Coil, 11...
... Winding motor, 12 ... Coupling, 13 ... Mandrel shaft, 14 ...
... Coupling support device, 15 ... Sliding hardware, 16 ... Sliding liner, 17 ... Base, 18 ... Pinion, 19 ... ... Rack, 20 ... Rewinding motor, 21 ...
・Clutch, 22...Reduction gear.

Claims (1)

[Claims] 1. Between a high-efficiency strip processing device with high strip processing efficiency and at least two low-efficiency strip processing devices with lower strip processing efficiency, A step for winding up the strip from the outlet side of the low-efficiency strip processing device and rewinding the wound strip to the input side of the low-efficiency or high-efficiency strip processing device in the subsequent process.) Winding of IJ tube A rewinding machine is installed movably, and the number of installed rewinding machines for each low efficiency strip processing device is at least two.
What is claimed is: 1. A semi-continuous strip operating device in a strip processing apparatus, characterized in that the strip processing device has a base.