JPH0731842Y2 - Roll deposit removal device in temper rolling mill - Google Patents

Description

[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to a roll deposit removing device in a temper rolling mill of a continuous line of steel strip.

B. Conventional technology Conventionally, a scraper knife was brought into contact with a roll in order to remove deposits on the roll in a temper rolling mill on a continuous strip line.

C. Problems to be Solved by the Invention However, it is difficult to remove foreign matter adhered to the roll or foreign matter adhered to the film on the roll surface. Further, with respect to the upper pass roll, the foreign matter removed by the scraper knife falls on the steel strip, which causes a push flaw. When this push defect occurs, stop the line to clean the roll,
The operation was temporarily stopped because the rolls had been replaced.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a device that can easily remove foreign matter on the surface of a roll and that does not drop the foreign matter on a steel strip.

D. Means for Solving the Problems In order to solve the above problems, the configuration of the present invention is as follows. That is, the cleaning liquid jetting device provided directly above the upper roll, the mounting plate fixed to the inner surface of the chock that faces the axial direction of the upper roll immediately below the jetting device, and these mounting plates face each other. A holder mounted on the inner surface and rotatable about an axis parallel to the axis of the roll and fixed, a knife receiver removably mounted on the upper part of the holder, and a holder removable from the knife receiver A scraper knife attached to the upper roll and in contact with the upper roll, and a cleaning liquid receiver mounted below the knife between the holders, the knife receiver having a long rectangular rod shape parallel to the axial direction of the upper roll. A groove for presenting the knife is provided on the upper surface of the groove, the knife is placed in contact with the roll in the groove, and a wedge-shaped knife retainer that fits the groove is used to position the knife in the groove. Between the side walls With a roll in a temper rolling mill, characterized in that the fixture of the short rod body is bridged in the groove of the knife retainer while being in contact with the upper surface of the knife retainer and is detachably fixed by a screw. It is to include a kimono removing device.

E. Function The cleaning liquid is applied to the contact position between the roll and the scraper knife to make it easier to remove foreign matter adhering to the roll, and the foreign matter is removed by the scraper and washed off with the cleaning liquid at the same time. If a pressure-regulating liquid is used as the cleaning liquid, there is no problem even if it scatters on the roll. The removed foreign matter and the cleaning liquid are received by the cleaning liquid receiver, and are discharged without falling onto the steel strip.

F. Example Hereinafter, an embodiment of the present invention will be described based on an example shown in the drawings. FIG. 3 shows a six-layer temper rolling mill to which the device of the present invention is applied. Next, in FIGS. 2 and 3, the cleaning liquid ejecting apparatus 1 is provided just above the upper roll R obliquely. Immediately below the injection device, the bearing chocks C, C facing the upper roll
The mounting plate 2 is fixed to the inner surface of the. The holder 3 is attached to the inner surfaces of these attachment plates 2, 2 which face each other. The holder 3 is rotatable about a holder shaft 10 parallel to the axis of the roll, and can be fixed by an arc hole 3a centered on the holder shaft 10 and a bolt 11 penetrating the arc hole 3a and screwed into the mounting plate 2. It is said that The knife receiver 4 is detachably attached to the notch 3b provided in the upper portion of the holder. The knife receiver 4 has a long rectangular rod shape parallel to the axial direction of the roll R, and a groove 4a for placing the knife is provided on the upper surface thereof. Then, the knife 5 is placed in the groove 4a.
Is placed in contact with the roll and a wedge-shaped knife retainer 6 which fits in the groove clamps the knife 5 between the side walls of the groove. Reference numeral 7 is a fixture for a short rod body, which is in contact with the upper surface of the knife retainer 6 while being bridged in the groove 4a of the knife receiver 4 and detachably fixed by a bolt. This allows
The knife 5 is detachably and firmly attached to the knife receiver 4.

A cleaning liquid receiver 8 is attached between the holders below the knife.

By applying the cleaning liquid to the contact position between the roll R and the scraper knife 5, the foreign matter adhering to the roll R can be easily removed, and the foreign matter attached to the roll R can be removed by the scraper and simultaneously rinsed with the cleaning liquid. If a pressure adjusting liquid is used as the cleaning liquid, there is no problem even if it is scattered on the roll R.

Since the removed foreign matter and the cleaning liquid are received by the cleaning liquid receiver 8, they are discharged without falling onto the steel strip A. The present invention is not limited to the embodiments and embodiments described above, and includes various modifications without departing from the spirit and scope of the utility model registration request.

G. Effect of the Invention With the configuration of the present invention, it is possible to reliably remove the foreign matter adhering to the roll surface and to reliably discharge the removed foreign matter to the outside of the line. As a result, it is possible to significantly reduce the defects that occur in the temper rolling mill of the continuous line.

Further, since the holder is rotatable, the contact state of the scraper knife can be kept constant. When the surface condition of the roll deteriorates, the surface of the roll is polished and the diameter becomes smaller, but it is possible to follow this. Moreover, the knife can be easily attached and detached by the fixing tool and the screw, and moreover, the scraper knife is firmly and firmly fixed by the knife holder.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a configuration diagram in which the present apparatus is adopted in a six-fold temper rolling mill, and FIG. It is a partially cutaway perspective view. A: Steel strip, R: Roll, C: Bearing chock, 1 ... Cleaning liquid spraying device, 2 ... Mounting plate, 3 ... Holder, 3a ... Arc hole, 3b ... Notch, 4 ... Knife Receiving, 4a ...
… Groove, 5 …… Scraper knife, 6 …… Knife holder, 7
…… Fixing tool, 8 …… Liquid receiver, 9 …… Hose, 10 …… Holder shaft, 11 …… Bolt

Claims (1)

[Scope of utility model registration request] 1. A cleaning liquid jetting device provided right above the upper roll, a mounting plate fixed to the inner surface of a chock that faces the axial direction of the upper roll immediately below the jetting device, and these mounting plates. A holder mounted on the inner surfaces facing each other and rotatable and fixed around an axis parallel to the axis of the roll, a knife receiver removably mounted on the upper part of the holder, and the knife receiver. A scraper knife detachably attached to the upper roll and contacting the upper roll, and a cleaning liquid receiver mounted between the holders below the knife, the knife receiver being long in parallel to the axial direction of the upper roll. A square rod shape is provided, and a groove for placing the knife is provided on the upper surface thereof, the knife is placed in contact with the roll in the groove, and a wedge-shaped knife retainer that fits in the groove holds the knife. Of the groove In a temper rolling mill characterized in that it is sandwiched between side walls, and a fixture of a short rod body is bridged in a groove of the knife retainer while being in contact with an upper surface of the knife retainer, and detachably fixed by a screw. Roll deposit removal device.