237results about "Rolling equipment maintainence" patented technology

The invention discloses a device for removing attachments on the surface of a roller of a cold-rolling mill, and belongs to the technical field of cold-rolling mills. Comprising a bottom plate, the right side of the upper surface of the bottom plate is in bolted connection with a rack, and the left side of the upper surface of the bottom plate is provided with a cold-rolling mill body; the device further comprises fixing frames, the two fixing frames are fixedly installed on the inner side of the rack through bolts, and the vertical ends of the fixing frames are connected with movable plates. According to the cold-rolling mill roller surface attachment removing device, the cleaning range of the cleaning brush is flexibly adjusted through the two-way threaded rod, the lead screw is matched to control feeding so that the cleaning strength can be adjusted, rollers of different sizes and multi-scene requirements can be met, the cleaning effect and roller protection are considered, meanwhile, through cooperation of the protruding block and the wedge-shaped block, the cleaning brush can axially rub in a reciprocating mode, and the cleaning effect is improved. Therefore, the cleaning mode is changed, the friction depth is strengthened, residual impurities at the textures of the roller can be efficiently stripped, the rubbing range of the cleaning brush is synchronously expanded along with the feeding distance, and the cleaning coverage and thoroughness are further improved.

The utility model discloses a cold rolling mill self-cleaning brush roll device which comprises a brush roll body, the outer portion of the brush roll body is rotationally connected with supporting frames in a bilateral symmetry mode, the right end of the brush roll body is connected with a motor, a brush roll sleeve is arranged on the outer side of the brush roll body, and oil outlets are formed in the brush roll body at equal intervals. A piston is installed in the left side of the brush roller body, and an anti-loosening mechanism used for fixing the piston is arranged on the outer side of the piston. According to the self-cleaning brush roller device of the cold rolling mill, the reinforced cleaning mechanism is arranged, the rubbing frame is arranged on the outer side of the bristles of the brush roller and can rub with the bristles, so that cleaning of the bristles is promoted, meanwhile, the water splashing preventing mechanism is arranged, a protective cover can be installed on the outer side of the brush roller, and the rotating water throwing range of the brush roller can be controlled; and in addition, an anti-loosening mechanism is arranged, connection between the piston and the brush roller can be enhanced, and the piston can be prevented from loosening in the rotating process of the brush roller.

A splash-proof mechanism of an upper working roller for aluminum coil cold rolling comprises the upper working roller rotationally supported on a cold rolling rack, the two ends of the upper working roller are cone sections, the small-diameter ends of the cone sections face the cold rolling rack, two connecting plates extending in an arc shape are fixedly arranged on the cold rolling rack and correspond to the two ends of the upper working roller respectively, and the two ends of the upper working roller are connected with the cone sections. An oil baffle is fixedly arranged on each connecting plate and is bent in an arc shape, the circle where the oil baffle is located is concentric with the circle where the upper working roller is located, one side of the oil baffle bent in the arc shape is flush with the inner wall of the corresponding side of the cold rolling rack, and the other side of the oil baffle bent in the arc shape extends to the large-diameter end of the cone section at the corresponding end of the upper working roller; the starting end of the oil baffle is located on the discharging side of the upper working roller and corresponds to the bottom of the upper working roller, and the stopping end of the oil baffle extends in the rotating direction of the upper working roller and corresponds to the top of the upper working roller. The cold rolling oil recycling device is simple in structure, low in modification cost, capable of effectively preventing cold rolling oil from splashing out of cold rolling equipment, beneficial to cold rolling oil recycling and capable of avoiding pollution.

According to the off-line brush roll adjusting device and method, an upper working roll assembly and a lower working roll assembly are placed in a containing groove of an overturning frame body, then the overturning frame body and the working roll assemblies are driven by a driving device to rotate to adjust the angle, and a working roll is pressed against the position, close to a brush roll, of a working roll bearing seat under the action of gravity; and then the brush roll is driven by the hydraulic motor of the brush roll, the gap is eliminated, the brush roll does not need to be adjusted on line, the operation is simple, the adjusting time is shortened, the working efficiency is improved, and the labor burden of workers is greatly relieved. According to the invention, the real state of the working roll and the brush roll during working can be simulated in an off-line manner. When the overturning oil cylinder extends out, the overturning frame body is horizontal, and at the moment, the working roll device can be hoisted. After hoisting is completed, the overturning oil cylinder retracts, the working roller device is overturned by 20 degrees on the overturning frame, the working roller is completely attached to the bearing seat under the action of gravity, the bearing backlash is eliminated, and the real working condition is simulated.

The utility model relates to an adsorbable brush roller which comprises a roller and bristles arranged on the surface of the roller, a magnetic attraction mechanism is arranged in the roller, an attraction channel is arranged on the roller, and the attraction channel is arranged by avoiding the bristles and is communicated with the inner space and the outer space of the roller. According to the utility model, the magnetic attraction mechanism is arranged in the brush roll, and the brushed oxide scale can be captured by the magnetic attraction mechanism through the adsorption channel under the action of magnetic force, so that the air quality of an operation site is effectively improved, the brush roll is friendly to operators, and clean rolling is realized; a dust removal system with poor sealing performance can be omitted, and the occupied space and the operation cost of equipment are correspondingly reduced.

This invention provides a fully automatic cold rolling equipment for producing copper strip, belonging to the technical field of fully automatic cold rolling equipment for producing copper strip. It includes: a main body, mounting plates, mounting frames, a cleaner, a waste trough, and an electric cylinder. Mounting plates are respectively installed on the upper and lower front sides of the main body. Mounting frames are installed on the inner sides of each mounting plate. Electric cylinders are installed on the front sides of each mounting frame. A cleaner is installed on the rear side of each mounting frame. The cleaner consists of a felt layer and a fiber cloth layer. A waste trough is installed on the inner side of each mounting frame. The cleaner, driven by the electric cylinder, presses against the roller surface from the side of the work roll end. The felt layer scrapes off large copper shavings, the fiber cloth layer cleans residual oil, and the waste trough collects the waste material. This system is interlocked with the main drive motor, achieving automatic online cleaning without stopping the machine. This effectively improves the surface quality of the copper strip and production efficiency. The structure is compact and easy to install and modify on existing equipment.

The utility model relates to the technical field of rolling mill guides and guards, and discloses a rolling mill guide and guard assembly capable of achieving temperature-controllable cooling. The rolling mill guide and guard assembly with the controllable temperature cooling function comprises a guide and guard assembly, a filtering and cooling assembly is installed at the upper end of the guide and guard assembly, a collecting tank is installed at the upper end of the filtering and cooling assembly, a filtering net is installed in the collecting tank, a cooling box is installed at the lower end of the collecting tank, and a protection plate is installed in the cooling box. A circulating pipe is installed on the left side of the cooling box, a connecting pipe is installed at the upper end of the circulating pipe, a pressure stabilizing assembly is connected to the left side of the filtering and cooling assembly, a water outlet pipe is installed at the upper end of the pressure stabilizing assembly, and a pressure stabilizing pump is installed at the upper end of the water outlet pipe. Large-particle impurities contained in water or oxide scale falling off from the surface of a rolled piece may block an injection orifice, so that cooling is insufficient, and the service life of a guide and guard device is affected.

The application provides a calendering equipment for zinc ingot processing, and relates to the technical field of calendering equipment, which comprises a support, adjusting assemblies are arranged on both sides of the support, a group of calendering rollers are arranged in the adjusting assemblies, the calendering rollers are arranged in an up-down mode and are used for calendering zinc ingots, a driving motor for driving the calendering rollers to rotate actively is arranged on one side of the support, cleaning assemblies are arranged on the outer sides of the calendering rollers, the cleaning assemblies are used for removing residual impurities on the surfaces of the calendering rollers, and a PLC control cabinet is arranged on one side of the support. Through the arrangement of the reciprocating movable plate with the cleaning brush, the adhering matters on the surfaces of the calendering rollers can be brushed in real time. The axial reciprocating movement of the movable plate ensures that the cleaning brush can uniformly cover the surfaces of the calendering rollers, effectively avoids scratches and indentations caused by the adhesion of impurities, and significantly improves the surface quality.

The present application relates to a kind of hot galvanizing production line finishing machine roll replacement reduces the method of degraded product, belong to hot galvanizing continuous production process technical field.The technical scheme is: according to the following steps to operate: step one: reduce process section one and process section two strip speed;Step two: when strip weld reaches finishing machine outlet, process section two strip speed reduces to 0 m / min;Step three: replace finishing machine work roll, and flushing is carried out to the work roll after replacement;Step four: after finishing machine work roll flushing is completed, process section two speed strip starts to run with the minimum strip running speed specified by finishing machine, tension leveler and roll coater, when finishing machine, tension leveler and roll coater start finishing, tension leveling and roll coating, process section two strip speed is gradually increased, and intermediate looper is released, until process section one and process section two restore normal production speed.The beneficial effects of the present application are: it can reduce the degraded product of strip due to not finishing when finishing machine roll replacement.

This invention relates to a modular rolling mill health status monitoring system, belonging to the field of metallurgical machinery equipment monitoring. It includes a rolling mill body, a weighing module, and a monitoring module. The rolling mill body consists of a work base, rolls, and bearings. The weighing module is located below the work base, and the monitoring module is located at the rolls. The weighing module includes a base plate, which is connected to a collection trough via a pressure sensor. A connecting rod is connected to the side wall of the base plate and is connected to the bottom of the work base. The pressure sensor signal is connected to a controller, and the controller signal is connected to a display module. The monitoring module includes a resolver sensor and a vibration sensor, both connected inside the rolls and connected to the controller signal. This invention acquires digital signals by monitoring the condition of the rolls and bearings, enabling the detection of the rolling mill's health status and simultaneous monitoring of multiple parameters. This provides a basis for predicting the remaining service life of the rolling mill, saving resources and time costs.

The utility model belongs to the technical field of mechanical equipment, and discloses an automatic aligning device for a rolling mill brushing roll clutch, which comprises a support frame, a support arm, a hydraulic telescopic rod and a positioner are arranged on the support frame, the support arm is rotatably connected with the support frame, the hydraulic telescopic rod is used for adjusting the rotation angle of the support arm, and the positioner is used for detecting and positioning the support arm. A V-shaped groove matched with a clutch driving part is formed in the free end of the supporting arm, an electromagnet is installed in the V-shaped groove, the alignment device is further provided with a moving mechanism and a controller in a matched mode, and the moving mechanism is used for horizontally moving the supporting frame, so that the supporting arm and the clutch driving part are horizontally moved. According to the alignment device, the clutch can be accurately aligned, automatic assembly of the clutch driven part and the clutch driving part is achieved, manual alignment operation is not needed any more, and safety is higher.

This invention relates to a method for identifying and controlling scratch defects in cold-rolled high-strength steel, belonging to the technical field of metallurgical control methods. The technical solution of this invention is: a method for statistically analyzing and identifying the morphological characteristics of scratches in different processes of continuous casting, hot rolling, and pickling, as well as corresponding process control schemes, to comprehensively control key control points in each process. The beneficial effects of this invention are: by providing a method for identifying the morphological characteristics of scratches in different processes, and a control scheme for scratches in different processes, it effectively controls scratch defects in finished products, improves product quality, reduces quality losses, and simultaneously increases contract fulfillment rates.

The invention relates to the technical field of slag flushing devices, in particular to a slag flushing device and method for a working roll of a rolling mill, the slag flushing device comprises a slag flushing water collecting pipe externally connected with a pressurized water source, and the slag flushing water collecting pipe is provided with collecting and spraying areas and plate blank spacing sections located between the collecting and spraying areas; wherein the collecting and spraying area is provided with a plurality of nozzles in the length direction of the slag flushing water collecting pipe, and the length of the collecting and spraying area is not smaller than the width of a steel billet to be subjected to slag flushing. According to the slag flushing device and method for the working roller of the rolling mill, on the premise that original slag flushing water pressure does not need to be changed, the number of the nozzles is reduced, the slag flushing water pressure of a single nozzle is improved, the slag flushing effect is improved, oxidizing slag accumulation on a roller protection plate can be effectively reduced, and the occurrence rate of pitted surfaces and pits of thick-specification products is greatly reduced; the method is suitable for slag flushing in the steel billet dephosphorization process.

The application discloses a kind of cleaning device of work roll for galvanized strip steel processing, including bearing base plate, rolling mill main body, roller conveyor, straightening machine main body, cutting machine main body and flattening machine main body, and the bottom end in rolling mill main body is connected with cleaning assembly by cleaning cavity, cleaning assembly can clean the work roll body in rolling mill main body, cleaning assembly includes horizontal mechanism, swing mechanism and reverse mechanism, swing mechanism can be moved and adjusted left and right, adapt to the work roll body of different positions, swing mechanism top is connected with reverse mechanism, can drive reverse mechanism to swing left and right, adapt to the arc structure of work roll body outside, reverse mechanism includes installation frame, cleaning wheel one and cleaning wheel two etc., under the cooperation of each other, by the reverse rotation of cleaning wheel one and cleaning wheel two, the cleaning effect of work roll body outside is strengthened, and the stripping effect of material on work roll body outside is improved, to realize more high-quality cleaning effect.

The utility model relates to the technical field of cold rolling mills, in particular to a cold rolling mill aluminum alloy strip guide roller aluminum skimming on-line cleaning device which comprises a guiding and cleaning device. The guide roller is rotationally connected to the inner side of the supporting frame; the connecting pipe is fixed on the side edge of the support frame; the anti-splashing assembly comprises a first L-shaped protective cover fixed to the side edge of the supporting frame; the sealing plates are fixed on the two sides of the first L-shaped protective cover; the through hole is formed in one sealing plate, and one end of the connecting pipe is inserted into the through hole; one end of the first rubber strip is fixed on one side of the top end of the first L-shaped protective cover; the second L-shaped protective cover is fixed on the other side of the support frame; one end of the second rubber strip is fixed at the top end of the second L-shaped protective cover. The problems that after aluminum skimmings on the guide roller are purged by the purging pipe, the aluminum skimmings are scattered all around, one part of the aluminum skimmings fall on the ground, the other part of the aluminum skimmings are blown to an aluminum alloy strip above the guide roller, the aluminum alloy strip is damaged, and even the aluminum skimmings are attached to the aluminum alloy strip again are solved.

Provided is a high-precision metal mask plate low-expansion alloy foil high-surface quality control method, comprising: sequentially performing hot rolling, pickling to remove the oxide skin, first grinding treatment, first cold rolling treatment, second grinding treatment, and second cold rolling treatment on the alloy foil blank. In the first grinding treatment and the second grinding treatment, the grinding wheel rotates along its own axial direction and performs periodic reciprocating motion along the width direction of the plate / band, and the axial direction of the grinding wheel is perpendicular to the surface of the plate / band. In the second cold rolling treatment, the work roll is subjected to the work roll grinding treatment method for grinding treatment, and the polishing roll is first subjected to the work roll grinding treatment method for grinding treatment and then subjected to the polishing roll polishing treatment method for polishing treatment. Through the method, a high-precision metal mask plate low-expansion alloy foil with a thickness of not greater than 0.04 mm and a horizontal / vertical roughness difference rate of ≤25% is obtained, meeting the high-surface quality requirements of the OLED industry.

The application relates to the technical field of pipeline cleaning, in particular to a cleaning device for the inner wall of a spinning tube, which comprises a first end cover and a second end cover, the first end cover and the second end cover are in interference connection with the two ends of the spinning tube respectively, a driving shaft is rotationally connected to the center of the first end cover, one end of the driving shaft is in transmission connection with the output end of a motor, the other end of the driving shaft is provided with a plurality of light shafts, universal joints are connected between the light shafts, four groups of bottom plates are elastically connected to the outer sides of the light shafts, a brush is mounted to the side surface of the bottom plate, one of the light shafts located at the outermost side is coaxially connected with the other end of the driving shaft, the end surface of another light shaft located at the outermost side is coaxially connected with a connecting rod, four groups of connecting blocks are elastically connected to the outer side of the connecting rod, and rollers are coaxially connected with the connecting blocks in the connecting blocks through pin shafts. The technical scheme can connect the light shafts through the universal joints, the light shafts can pass through the inside of the spiral or arc-shaped spinning tube, and thus the inner wall of the spinning tube can be cleaned.

The utility model discloses a cold rolling mill roller with a cleaning structure, which relates to the technical field of cold rolling, and comprises a base, a motor, a lower roller and an upper roller, side plates are vertically fixed at the left end and the right end of the upper surface of the base, the motor is fixed on the left side surface of a mounting disc, and the lower roller and the upper roller are arranged on the inner sides of the side plates. The right end of the lower roller is connected with a first check block, the right end of the upper roller is connected with a second check block, the second check block is fixedly provided with a first transverse plate through a screw, the bottom end of the second transverse plate and the bottom end of the first transverse plate are each provided with the output end of an electric telescopic rod, and the rear side face of a side plate is fixedly provided with a positioning plate through a screw. A workpiece cleaning plate is fixed to the bottom end of the connecting frame, and a collecting box is arranged below the workpiece cleaning plate. According to the cold-rolling mill roller provided with the cleaning structure, the roller and a workpiece can be cleaned at the same time conveniently through the arrangement of the upper and lower workpiece cleaning plates and roller cleaning plates, and disassembly and assembly are convenient.

The invention discloses a thin strip steel continuous casting and rolling unit and a strip steel rolling process method thereof, and the thin strip steel continuous casting and rolling unit comprises a steel ladle, a tundish, a transition ladle, a casting roller, a first pinch roller, a first rolling mill, a second rolling mill, a plate shape instrument, a cooling device, a second pinch roller, a flying shear, a turning roller and a coiling machine which are sequentially arranged in the rolling direction. A hot box and a loop are arranged between the first rolling mill and the second rolling mill. The thin-strip continuous casting and rolling unit further comprises a controller electrically connected with the strip shape instrument and a thermodetector electrically connected with the controller, and the thermodetector is used for obtaining the temperature of the strip steel at the preset position. The continuous rolling unit capacity of a thin-strip continuous casting and rolling production line can be brought into full play, guarantee is provided for improving the steel product quality, improving the production efficiency, lowering the operation cost and the like, and conditions are provided for development of high-end steel types (such as ultrahigh-strength steel and silicon steel).

The utility model relates to the technical field of steel rolling, and discloses a back-up roll cleaning device which comprises a rolling machine base and a back-up roll body rotationally installed on the inner surface of the rolling machine base, an installation plate and an installation frame are fixedly installed at the end, close to the back-up roll body, of the rolling machine base, and an air cylinder is fixedly installed at the end, close to the rolling machine base, of the installation plate. And a connecting sleeve is rotationally mounted on an output shaft of the air cylinder. According to the back-up roll cleaning device, multi-angle and multi-part cleaning design, the surface cleaning assembly and the side surface cleaning assembly work cooperatively, impurities such as coolants on the surface and the side surfaces of a back-up roll body are comprehensively cleaned, the cleaning effect is guaranteed, the coolants are prevented from entering the outlet edge of a rolling mill, and the running stability of the rolling mill is improved; the first slot and the second slot facilitate installation and replacement of the first scraping plate and the second scraping plate respectively, the scraping plates can be rapidly replaced after being abraded, the maintenance cost is reduced, the situation that the cleaning effect is poor after the first scraping plate and the second scraping plate are used for a long time can be avoided, and the practicability is improved.

The invention belongs to the technical field of hot rolling forming, and particularly relates to a hot rolling method of 310S stainless steel. The invention discloses a hot rolling method for 310S stainless steel. The hot rolling method comprises the following steps of slab size design, steel grade heating, discharging, rough rolling, finish rolling and coiling. The finish rolling adopts a mode of lap joint arrangement production of 310S stainless steel and 304 steel; according to the lap joint arrangement production mode, the 304 steel grade is replaced with the 310S steel grade in the rolling process of the fifth-eighth rolling mills in the finish rolling process of the 304 steel grade, and rolling is conducted in the last stage of the roller changing period of the fifth-eighth rolling mills. According to the hot rolling method for the 310S stainless steel, the mode that the 310S stainless steel and 304 steel are in lap joint and arranged for production in the finish rolling process is adopted, the gas consumption in the rolling process can be effectively reduced, the times of roller replacement can be reduced, the production cost is greatly reduced under the condition that the production capacity is effectively improved, and the plate surface quality of the manufactured 310S steel and 304 steel is good.

The invention belongs to the technical field of grinding machining, and particularly relates to a method for grinding a roller curve for battery foil plate production, which comprises the following steps of: mounting sensor assemblies on a rolling mill and a grinding machine; the computing device collects rolling pressure data of a rolling mill, temperature data of a roller, thickness deviation data of a rolled battery foil plate, abrasion data of the surface of the roller and grinding vibration data of a grinding machine based on the sensor assembly, and the collected real-time data are transmitted to the computing device. The dynamic compensation model is generated by collecting the rolling pressure, temperature, abrasion loss and other dynamic parameters of the roller, the compensation amount is superposed to the initial theoretical curve of the roller to form the target grinding curve, the effect that the roller curve adapts to actual rolling dynamic interference is achieved, the problem that a static grinding curve deviates from actual requirements is solved, and the grinding efficiency is improved. The uniformity of the thickness of the battery foil plate is improved, the quality defect caused by uneven thickness is reduced, and the stability of the performance of the battery foil plate is ensured.

An apparatus for spot polishing the work rolls of a metal sheet or plate leveler having a series of upper work rolls and a series of lower work rolls. The apparatus includes a spot polisher frame, an airbag, and a polisher including an abrasive surface configured to polish one of the upper work rolls or one of the lower work rolls. The apparatus further includes a polisher arm. The polisher is attached to a first end of the polisher arm. The apparatus further includes a second end of the polisher arm hingedly connected to the spot polisher frame. The airbag is configured to inflate and deflate with air. While the airbag is inflated with air the polisher is at a first position, and while the airbag is deflated the polisher is at a second position. The first position is further from the spot polisher frame than the second position.

The invention belongs to the technical field of cold-rolled aluminum foil production, and particularly relates to a wide aluminum foil rolling flexible roller surface cleaning system and method. The system comprises a swing frame, an upper telescopic scraper set, a lower telescopic scraper set, a fixed support, a hydraulic actuator, an air pressure actuator, a guider and an intelligent control unit, the swing frame is hinged to the hydraulic actuator, the two ends of the swing frame are fixedly connected with the fixed support, and the upper telescopic scraper set and the lower telescopic scraper set are fixedly arranged in the swing frame; the upper telescopic scraper set and the lower telescopic scraper set are respectively connected with an air pressure actuator, and the intelligent control unit is respectively connected with the hydraulic actuator and the air pressure actuator. The hydraulic actuator drives the swing frame to conduct self-adaptive angle adjustment, the air pressure actuator controls the upper telescopic scraper set and the lower telescopic scraper set to stretch out to make contact with the roller face, and therefore two-stage gradient cleaning of aluminum skimming stripping and oil film precise control of the roller face of the supporting roller is achieved, the oil stain defect of the rolled aluminum foil surface is remarkably reduced, and the service life of the aluminum foil is prolonged. The finished aluminum foil surface quality is improved.

This utility model discloses an online roller cleaning device for pressing electrodes, relating to the technical field of electrode processing equipment. It solves the problems of incomplete cleaning and localized particle adhesion to the rollers inherent in existing technologies. The device includes a frame with upper and lower rollers for pressing electrodes. A laser cleaning component and a protective cover are also connected to the frame. The laser cleaning component cleans the coating material on the corresponding roller using laser light. The protective cover has slits for the laser to pass through and slides parallel to the laser irradiation direction, connected to the frame. One side of the protective cover covers the corresponding roller, and the sliding path of this side's axis of symmetry is arranged radially along the corresponding roller. This device improves the cleaning effect of the coating material on the rollers. By replacing the scraper mechanism with a laser cleaning device, and placing the laser cleaning device below the lower roller and above the upper roller, the laser energy can be adjusted to remove the coating material adhering to the rollers without damaging them.

The utility model relates to an aluminum hot rolling work roll brush automatic centering mechanism, including the brush and the roll column for connecting the brush of axial movement, the end face of roll column far from the brush side is equipped with first tooth disc and center hole, the roll column is inserted and is connected with the centering guide pillar, the centering guide pillar is equipped with the center axle and the diameter expansion section of being able to be inserted with center hole, the end face of diameter expansion section is equipped with the second tooth disc of being able to mesh with first tooth disc, the side of centering guide pillar far from roll column is equipped with the first end of universal coupling through flange connection, the second end of universal coupling is connected with the output end of motor, the end of universal coupling is equipped with support axle section, the outer diameter of support axle section, the diameter expansion section of centering guide pillar and flange is same, and is equipped with the axial movement V type block below them. The utility model is favorable in the work roll brush centering of pushing roll more stable and reliable, improves the roll changing efficiency of rolling mill and reduces the labor intensity.

The invention relates to the technical field of aluminum alloy plate rolling forming, and discloses a double-roller casting and rolling machine capable of freely adjusting a roller gap, which comprises a workbench, the top of the workbench is fixedly connected with a rack, the inner wall of the rack is rotatably connected with a lower roller, and the inner wall of the rack is slidably connected with an upper roller; the top of the workbench is fixedly connected with a conveying device. A sliding shaft is fixedly connected to the top of the workbench, a lifting block is slidably connected to the outer surface of the circumference of the sliding shaft in a sleeving mode, a forging block is fixedly connected to the bottom of the lifting block, and a sliding rail is fixedly connected to the top of the workbench. The double-roller casting and rolling machine capable of freely adjusting the roller gap can effectively solve the problems that in the prior art, due to the fact that the thickness of a to-be-machined plate is large, the thickness reduction amount is increased, and the downward pressing amount of the plate is too large, roller abrasion is aggravated, the deformation resistance of the plate is increased, and a driving motor needs to provide larger torque to overcome the deformation resistance; and the overload risk of the motor is increased.

The utility model relates to the technical field of integrated houses, in particular to sheet metal calendering equipment which comprises a bottom plate, a supporting frame is fixedly arranged on the bottom plate, two pressing rollers used for calendering sheets are installed on the supporting frame, a driving unit used for driving the pressing rollers to rotate is arranged on one side of the supporting frame, and the driving unit is used for driving the pressing rollers to rotate. An oil storage box is arranged on one side of each pressing roller, and an oil control assembly for controlling conveying of an emulsifying agent is fixedly arranged at the bottom of each oil storage box; by arranging the oil control assembly, the oil coating assembly and the collecting assembly, an emulsifier is conveyed to a wear-resistant sponge in an oil coating box through an oil control roller, the emulsifier is evenly coated on a pressing roller, accurate conveying of the emulsifier is achieved, waste of the emulsifier is reduced, meanwhile, a scraping strip scrapes the residual emulsifier and adhered sundries on the pressing roller into the collecting box to be collected, and the collecting efficiency is improved. The surface of the pressing roller is kept clean, the influence of impurities on the plate rolling quality is avoided, the residual emulsifier is recycled, and the utilization rate of the emulsifier is increased.

The application discloses a working roller eddy current detection device and a detection abnormality treatment method thereof, and relates to the technical field of rolling equipment detection. The device comprises an eddy current probe, a position sensor, a control unit, a compressed air blowing device and an electronic display screen. The position sensor is arranged on both sides of the eddy current probe to detect the distance between the probe and the surface of the working roller. The control unit controls the probe to keep a preset distance from the roller surface according to the detection data. The compressed air blowing device is arranged above the probe to blow the roller surface to remove contaminants. The electronic display screen is provided with a hierarchical color display system, and the display color is automatically switched according to the crack value threshold. The application realizes non-contact detection, avoids damage to the probe, removes contaminants in real time, improves detection accuracy, enables the operator to quickly identify the defect grade through hierarchical display, and reduces the accidents of burst roller and broken belt.

The application discloses a manufacturing method for controlling flatness of stainless steel by adjusting cold rolling heat dissipation, comprising the following steps: (1) performing precision grinding and polishing on the roll of a rolling mill, and controlling the precision to be below 0.003 mu m; (2) cold rolling: adopting the rolling mill of step (1) to perform cold rolling on a stainless steel plate strip, adding 1-3 passes on the normal cold rolling process, dispersing heat generated during cold rolling through multiple cold rolling, controlling the cold rolling speed to be 80 m / min-100 m / min during the cold rolling process, controlling the nozzle distance to be L=26 mm, controlling the distance from the nozzle to the working roll to be within 140 mm, controlling the rotating angle of the spraying beam to be 170 DEG, controlling the spraying speed of the cooling liquid to be 25 m / s, controlling the temperature of the cooling liquid to be 20 DEG C, and regularly replacing the cooling liquid to improve the cooling efficiency of the cooling liquid. In this way, the stainless steel plate strip has good plate shape, and the plate shape change is small.