CN215745515U - Cold rolling stainless steel reversible temper mill wiper - Google Patents

Abstract

The utility model discloses a wiper of a cold-rolled stainless steel reversible temper mill, which comprises a wiper, a longitudinal movement slideway, a dust extraction pipe, a transverse movement base, a longitudinal movement bracket, a transverse movement slideway, a fixed bracket, a connecting support and a control mechanism, wherein the longitudinal movement slideway is arranged on the wiper; the fixed support is of a U-shaped frame structure and is fixedly connected with the memorial archways through connecting supports on two sides, and longitudinal moving rails are arranged on the inner sides of two parallel edges of the U-shaped frame to realize that the longitudinal moving support longitudinally slides along the longitudinal moving rails; the wiper is fixed on the transverse moving base, the transverse moving base is fixed on the longitudinal moving support through the transverse moving rail, the transverse moving base can slide along the transverse moving rail to achieve transverse movement of the wiper, one end of the dust pumping pipe is fixed on the upper side of the wiper and connected with an independent dust removal system outside the unit through an intermediate pipeline, and a dust collection function is achieved. The utility model has the characteristics of compact structure, high automation degree, low failure rate and the like, and is not only suitable for stainless steel leveling units, but also can be used for reference in other leveling units.

Description

Cold rolling stainless steel reversible temper mill wiper

Technical Field

The utility model relates to a wiper of a cold-rolled stainless steel reversible temper mill, belonging to the field of a stainless steel strip flattening process.

Background

At present, the functions of a cold rolling temper mill are mainly embodied in the following two aspects: firstly, rolling the strip steel at a small deformation rate by adopting a leveling roller with convexity and a bending roller to obtain a certain elongation rate so as to improve the strip steel plate shape, improve the mechanical property and eliminate a ferrite yield platform; and secondly, the mirror surface effect obtained by the leveling roller after the grinding machine is polished is reversely printed on the surface of the strip steel through the action of rolling force so as to improve the finish degree of the surface of the strip steel, and the requirement on the finish degree of the leveling roller is higher particularly when certain high-grade strip steel is produced. In the flattening process, tiny foreign matters are easily adhered to the surface of the flattening roller, even color difference occurs, and the surface of the steel strip is pressed in regularly or irregularly, so that the surface quality of the strip is influenced, and invalid steel passing amount and irrecoverable quality loss are caused. The wiper device is therefore an indispensable device of the levelling machine. Simultaneously, because the levelling machine group arranges compactly, and the position space is narrow and small in the memorial archway, and the wiper design is restricted, so one set of stable, reliable wiper should possess following several: 1. the pressure and the speed of the wiper can be adjusted according to the surface condition and the rotating speed of the leveling roller, so that the phenomenon that the roller surface is damaged due to incomplete wiping or excessive wiping is avoided; 2. the mechanical positioning is accurate and reliable, the wiper can be automatically adjusted at a small angle according to the change of the roll diameter, and the high speed (600 m/min) of the leveler does not generate shaking and resonance; 3. can realize double-pass reversible leveling, and can perform wiping treatment on the roller surface of the leveling roller during online leveling or roller gap opening so as to improve the leveling efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wiper of a cold-rolled stainless steel reversible temper mill, which is suitable for the field of the temper process of stainless steel strips; the structure is reliable, the roller can be continuously and effectively cleaned and cleared when reversible online leveling or a roller gap is opened, the surface quality problem of the strip steel caused by roller surface defects is reduced, the service life of the working roller is prolonged, the re-leveling times are reduced, and the leveling working efficiency is improved.

The utility model provides a wiper of a cold-rolled stainless steel reversible temper mill, which comprises a wiper, a longitudinal movement slideway, a dust extraction pipe, a transverse movement base, a longitudinal movement support, a transverse movement slideway, a fixed support, a connecting support and a control mechanism, wherein the longitudinal movement slideway is arranged on the wiper;

the fixed support is of a U-shaped frame structure and is fixedly connected with the memorial archways through connecting supports on two sides, and longitudinal moving rails are arranged on the inner sides of two parallel edges of the U-shaped frame to realize that the longitudinal moving support longitudinally slides along the longitudinal moving rails; the wiper is fixed on the transverse moving base, the transverse moving base is fixed on the longitudinal moving support through the transverse moving rail, and the transverse moving base can slide along the transverse moving rail, so that the transverse movement of the wiper is realized, one end of the dust extraction pipe is fixed on the upper side of the wiper and is connected with an independent dust removal system outside the unit through an intermediate pipeline, and the dust collection function is realized; the longitudinal moving support is of a square frame structure, the left side and the right side of the longitudinal moving support are in contact with the longitudinal moving track and can slide along the longitudinal moving track to control the longitudinal movement of the wiper; the front side and the rear side of the longitudinal moving support are in contact with the transverse moving track and can slide along the transverse moving track to control the left and right movement of the wiper.

The control mechanism comprises a sensor, a long-stroke hydraulic cylinder, a transverse servo motor, a transverse screw rod transmission pair, an adjusting cylinder, an upper pneumatic expansion shaft, a lower pneumatic expansion shaft and a locking hydraulic cylinder; the hydraulic and pneumatic pipelines of the mechanism are connected with a power source through a pipeline bracket;

the upper side and the lower side of the wiper are provided with wiper felts, polishing abrasive belts are stored in the felts, the abrasive belt replacement is completed in a mode of winding and unwinding the abrasive belts up and down, and the abrasive belt coils are respectively installed on the upper pneumatic expansion shaft and the lower pneumatic expansion shaft through manpower, so that the disassembly and the assembly are easy;

the wiper and the movable rack form a revolute pair through the transverse screw rod transmission pair, and the wiper is driven by a transverse servo motor to realize transverse movement; the wiper is driven by a long-stroke hydraulic cylinder with a linear sensor to longitudinally move through a longitudinally moving slideway, is accurately positioned after being automatically programmed and calculated by the roller diameter, and is locked by a locking hydraulic cylinder, the wiper is fixed by adjusting cylinders at two sides and is tightly attached to the surface of a roller to be wiped, and the pressure of the cylinders is controlled by an independent proportional pressure regulating valve beside a machine set.

The wiper of the cold-rolled stainless steel reversible leveler, provided by the utility model, brings the following beneficial effects:

(1) the method has good trial effect in the wiper of the stainless steel temper mill, particularly obtains the height evaluation of a user in the temper process aiming at high-grade stainless steel strips, such as BA plates and the like, reduces the re-temper rate from 20 coils/month to 12 coils/month, and has the annual economic benefit of about 20 ten thousand yuan;

(2) the utility model relates to a novel wiper of a stainless steel strip temper mill, which has the characteristics of compact structure, high automation degree, low failure rate and the like, and is not only suitable for a stainless steel temper mill, but also can be used for reference in other temper mills.

The utility model is further illustrated with reference to the following figures and examples.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a control component of the present invention.

In the figure: the device comprises a wiper 1, a longitudinal moving slideway 2, a dust suction pipe 3, a transverse moving base 4, a longitudinal moving support 5, a transverse moving slideway 6, a fixed support 7, a connecting support 8, a sensor 9, a long-stroke hydraulic cylinder 10, a transverse moving servo motor 11, a transverse moving screw rod transmission pair 12, an adjusting cylinder 13, an upper abrasive belt expansion shaft 14, a lower abrasive belt expansion shaft 15, a locking hydraulic cylinder 16, a wiper felt 17 and a pipeline bracket 18.

Detailed Description

Example (b):

as shown in fig. 1 and 2, a wiper of a cold-rolled stainless steel reversible leveler comprises a wiper 1, a longitudinal movement slideway 2, a dust extraction pipe 3, a transverse moving base 4, a longitudinal movement bracket 5, a transverse movement slideway 6, a fixed bracket 7, a connecting support 8 and a control mechanism;

the fixed support 7 is of a U-shaped frame structure and is fixedly connected with the memorial archways through connecting supports 8 at two sides, and the longitudinal moving rails 2 are arranged on the inner sides of two parallel edges of the U-shaped frame to realize that the longitudinal moving support 5 longitudinally slides along the longitudinal moving rails; the wiper 1 is fixed on a transverse moving base 4, the transverse moving base 4 is fixed on a longitudinal moving support 5 through a transverse moving rail 6, so that the transverse moving of the wiper 1 is realized, one end of a dust extraction pipe 3 is fixed on the upper side of the wiper 1 and is connected with an independent dust removal system outside the unit through an intermediate pipeline, and the dust collection function is realized; the longitudinal moving support is of a square frame structure, the left side and the right side of the longitudinal moving support are in contact with the longitudinal moving track and can slide along the longitudinal moving track to control the longitudinal movement of the wiper; the front side and the rear side of the longitudinal moving support are in contact with the transverse moving track and can slide along the transverse moving track to control the left and right movement of the wiper.

The control mechanism comprises a sensor 9, a long-stroke hydraulic cylinder 10, a transverse servo motor 11, a transverse screw rod transmission pair 12, an adjusting cylinder 13, an upper pneumatic expansion shaft 14, a lower pneumatic expansion shaft 15 and a locking hydraulic cylinder 16;

the polishing abrasive belt is stored on the upper side and the lower side of the wiper 1 adhered with the wiper felt 17, the abrasive belt replacement is completed in a mode of winding up and down and unwinding, and the abrasive belt rolls are manually installed on the upper pneumatic expansion shaft 14 and the lower pneumatic expansion shaft 15 respectively and are easy to disassemble and assemble.

The wiper 1 is parallel to the roller surface, and forms a rotating pair with the moving rack 5 by a traversing lead screw transmission pair 12, and the wiper is driven by a traversing servo motor 11 to realize reciprocating traversing;

the wiper is driven by a long-stroke hydraulic cylinder 10 with a linear sensor 9 to move close to the leveling roller through a longitudinal slide way 2, the wiper is accurately positioned after being calculated by a roller diameter automatic program, the wiper 1 is locked by a locking hydraulic cylinder 16, the wiper 1 is pressed on the roller surface after adjusting cylinders 13 on two sides of the wiper are opened, a certain small angle is formed, the wiper is ensured to be tightly attached to the roller surface, and the pressure of the cylinders is controlled by an independent proportional pressure regulating valve beside a unit.

The mechanism hydraulic and pneumatic lines are connected with a power source through a pipeline bracket 18.

In the utility model, two long-stroke hydraulic cylinders 10 with linear sensors 9 are used for driving a longitudinal moving rack 5 to a certain position away from a leveling roller and then locked by a locking hydraulic cylinder 16, the positioning rigidity of the rack is improved, a pneumatic proportional valve controls a wiper 1 to form a small angle with the surface of the leveling roller, an operator can monitor the wiping effect of the surface of the roller in real time, dynamically adjust the pressure on line, improve the flexibility of the wiper and ensure the effect of the surface of the roller, impurities such as dust and the like generated by the wiper are pumped away after being connected with a dust removal system independently arranged outside an equipment body through a dust exhaust pipe 3, grid holes are embedded inside the wiper, a layer of felt is adhered on a wedge-shaped plate, then an abrasive belt is polished, and the abrasive belt is tensioned by pneumatic expansion shafts on the upper side and the lower side, and a certain tension is kept, so that the abrasive belt is prevented from wrinkling and overlapping in the wiping process, the wiper is driven by a transverse servo motor 11 to drive a transverse screw rod transmission pair 12 to form reciprocating motion, and the transverse moving speed is matched with the leveling speed.

Claims (4)

1. A wiper of a cold-rolled stainless steel reversible temper mill is characterized in that: comprises a wiper, a longitudinal movement slideway, a dust extraction pipe, a transverse movement base, a longitudinal movement bracket, a transverse movement slideway, a fixed bracket, a connecting support and a control mechanism; the fixed support is of a U-shaped frame structure and is fixedly connected with the memorial archways through connecting supports on two sides, and longitudinal moving rails are arranged on the inner sides of two parallel edges of the U-shaped frame to realize that the longitudinal moving support longitudinally slides along the longitudinal moving rails; the wiper is fixed on the transverse moving base, the transverse moving base is fixed on the longitudinal moving support through the transverse moving rail, the transverse moving base can slide along the transverse moving rail, therefore, the transverse moving of the wiper is achieved, one end of the dust pumping pipe is fixed on the upper side of the wiper and connected with an independent dust removal system outside the unit through an intermediate pipeline, and the dust collection function is achieved.

2. The cold rolled stainless steel reversible leveler wiper of claim 1, wherein: the longitudinal moving support is of a square frame structure, the left side and the right side of the longitudinal moving support are in contact with the longitudinal moving track and can slide along the longitudinal moving track to control the longitudinal movement of the wiper; the front side and the rear side of the longitudinal moving support are in contact with the transverse moving track and can slide along the transverse moving track to control the left and right movement of the wiper.

3. The cold rolled stainless steel reversible leveler wiper of claim 1, wherein: the control mechanism comprises a sensor, a long-stroke hydraulic cylinder, a transverse servo motor, a transverse screw rod transmission pair, an adjusting cylinder, an upper pneumatic expansion shaft, a lower pneumatic expansion shaft and a locking hydraulic cylinder; the hydraulic and pneumatic pipelines of the mechanism are connected with a power source through a pipeline bracket;

the wiper and the movable rack form a revolute pair through the transverse screw rod transmission pair, and the wiper is driven by a transverse servo motor to realize transverse movement; the wiper is driven by a long-stroke hydraulic cylinder with a linear sensor to longitudinally move through a longitudinally moving slideway, is accurately positioned after being automatically programmed and calculated by the roller diameter, and is locked by a locking hydraulic cylinder, the wiper is fixed by adjusting cylinders at two sides and is tightly attached to the surface of a roller to be wiped, and the pressure of the cylinders is controlled by an independent proportional pressure regulating valve beside a machine set.

4. The cold rolled stainless steel reversible leveler wiper of claim 1, wherein: the upper side and the lower side of the wiper are provided with wiper felts, polishing abrasive belts are stored in the felts, and the abrasive belt replacement is completed in a mode of winding up and down and unwinding.

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