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62results about "Counter-pressure devices" patented technology
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Pole piece rolling mill
The utility model discloses a pole piece rolling mill which comprises two bases which are oppositely arranged front and back, an upper roller, a lower roller, an upper roller driving mechanism and a lower roller driving mechanism, the upper roller and the lower roller are oppositely arranged up and down, and a gap is formed between the roller surface of the upper roller and the roller surface of the lower roller. The two ends of the upper roller are rotatably arranged on two upper supports respectively, the two upper supports are movably arranged in the two bases respectively, and the two ends of the lower roller are rotatably arranged on two lower supports respectively. The two lower supports are movably arranged in the two bases correspondingly and located below the two upper supports correspondingly. The device further comprises two upper supporting rollers arranged in a bilateral symmetry mode, two lower supporting rollers arranged in a bilateral symmetry mode, an upper gap adjusting driving mechanism and a lower gap adjusting driving mechanism. According to the utility model, the quality of the pole piece is improved, meanwhile, the device can be suitable for thinning dry-method diaphragms with different thicknesses and sizes, the application range is wide, and the use requirements are met.
Owner:KATOP AUTOMATION CO LTD
Roll press machine
A roll press rolls each including an upper roll and a lower roll that are supported by a main bearing at both ends and rotate at a predetermined speed, upper and lower bending bearings that are disposed outside each of the main bearings and correct deflection of the press rolls by receiving a bending load, an upper reverse operation bending mechanism provided in the upper roll that operates with hydraulic oil, a lower reverse operation bending mechanism provided in the lower roll, and two upper reverse operation bending mechanisms and two lower reverse operation bending mechanisms being installed in the upper and lower bending bearings, respectively. Deflection occurring in the upper roll and the lower roll is corrected by causing the upper reverse operation bending mechanism or the lower reverse operation bending mechanism to generate downward power or upward power, respectively.
Owner:HIATACHI POWER SOLUTIONS CO LTD
A method of producing a backup roll steel
This invention relates to a method for producing support roll steel, belonging to the field of metallurgical industry, and solves the problems of high cost and severe shrinkage porosity in existing support roll steel. The method for producing support roll steel includes: smelting, deoxidizing, desulfurizing, and refining the support roll steel ingot raw material, adjusting the alloy composition to obtain a first portion of support roll steel molten steel, tapping the steel, vacuum casting, and solidifying to obtain a solidified billet shell and liquid steel inside the billet shell; smelting, deoxidizing, desulfurizing, and refining the support roll steel ingot raw material, adjusting the alloy composition to obtain a second portion of support roll steel molten steel, tapping the steel, mixing the second portion of support roll steel molten steel with the liquid steel inside the billet shell within the solidified billet shell of the first portion of support roll steel, vacuum casting, solidifying to obtain a complete support roll steel ingot, demolding, removing the sprue, forging, removing the riser, heat treating, and machining to obtain the support roll steel; the composition of the first portion of support roll steel and the second portion of support roll steel molten steel differs.
Owner:TIANJIN HEAVY EQUIP ENG RES +1
Forged steel supporting roll convenient to disassemble and maintain
The utility model relates to the technical field of supporting rollers, and discloses a forged steel supporting roller convenient to disassemble and maintain, which comprises a base, the inner wall of the base is connected with a sliding mounting plate in a sliding manner, the inner wall of the base is fixedly provided with a guide rail, the outer wall of the base is fixedly provided with a motor I, and the motor I is fixedly provided with a motor II. A first double-end lead screw is fixedly mounted on an output shaft of the first motor, a supporting roller body is movably connected to the inner wall of the sliding mounting plate, a threaded rod is rotatably connected to the inner wall of the sliding mounting plate, and a limiting rod is slidably connected to the inner wall of the sliding mounting plate. A threaded rod is rotated to drive a threaded sleeve to move upwards, then the threaded sleeve drives a pressing piece at the bottom to move upwards, at the moment, the fixing relation of a supporting roller body disappears, a first motor is started to drive a first double-end lead screw to rotate, the first double-end lead screw drives two sliding mounting plates to move towards the two sides, and then the supporting roller body is fixed. The sliding mounting plate is separated from the supporting roller body, and the supporting roller body can be taken out at the moment.
Owner:LUOYANG JIUCHUANG HEAVY MASCH CO LTD
D-shaped steel pipe rolling device
ActiveCN120861594AMetal rolling stand detailsCounter-pressure devicesMechanical engineeringSteel tube
The invention provides a D-shaped steel pipe rolling device which comprises a rolling frame, a plurality of driving assemblies and an auxiliary supporting assembly, a plurality of sets of rollers are arranged in the rolling frame, and each set of rollers comprises an upper roller and a lower roller. The supporting columns on the upper roller and the lower roller can be supported in an auxiliary mode through the auxiliary supporting assemblies, annular grooves in the surfaces of the supporting columns are supported, namely, the supporting columns are supported in the radial direction, the supporting columns are also supported in the axial direction, and therefore the top pressure, borne by the upper roller and the lower roller, of a steel pipe body is resisted; and the effect of the jacking force on the connecting points between the supporting columns and the rolling frame is reduced, then loss of the connecting positions between the rollers and the rolling frame is reduced, and the loss speed of the connecting positions between the rollers and the rolling frame can be reduced.
Owner:JIANGSU GUOQIANG SAFETY NEW MATERIAL CO LTD
Sectional type structure for flexibly regulating and controlling mechanical property of supporting roller
The utility model relates to the technical field of supporting rollers, and discloses a sectional flexible supporting roller mechanical property regulating structure which comprises an independent supporting roller, the inner side of the independent supporting roller is slidably connected with a shaft center, the inner side of the shaft center is provided with a pressure regulating mechanism, and the outer side of the independent supporting roller is provided with a limiting mechanism. Flexible sheets are arranged on the inner sides of the independent supporting rollers, the outer sides of the flexible sheets are attached to the inner sides of the independent supporting rollers, the limiting mechanisms comprise limiting plates, the limiting plates are fixedly connected to the outer sides of the independent supporting rollers, bidirectional threaded rods are rotationally connected to the inner sides of the limiting plates, and anti-skid wheels are fixedly connected to the middles of the peripheries of the bidirectional threaded rods. The anti-skid wheels drive the bidirectional threaded rods to rotate, so that the bidirectional threaded rods drive the movable plates to move through the threaded plates, the movable plates can drive the insertion rods to be inserted into the inner sides of the axes, the positions of the axes are limited, and when external equipment drives the axes, the axes can drive the independent supporting rollers to rotate through the insertion rods.
Owner:CHANGZHOU ECCO ROLLER
Ultra-thin aluminum alloy profile rolling device capable of achieving flat rolling
The invention relates to the technical field of profile rolling, and particularly discloses a flat-rolling ultrathin aluminum alloy profile rolling device which comprises rolling racks, and a profile pretreatment unit is fixedly arranged between the front faces of the two rolling racks through bolts; sectional material rolling units are symmetrically arranged on the upper portion and the lower portion between the two rolling racks, and auxiliary supporting assemblies are arranged on the two sectional material rolling units. Through the composite structure design of the working roller, the rolling quality is improved from three aspects: the flat roller and the convexity roller are adapted to the thickness control requirements of profiles with different widths; the nano ceramic coating strengthens the wear resistance of the roller surface; by means of the micro-nano rib and pit structure, on one hand, the contact area of the roller and the profile is reduced, the friction coefficient is reduced, drawing marks or wrinkles of the profile are avoided, and on the other hand, the pits are used for storing lubricating oil and containing aluminum skimmings to protect the surface of the profile. And meanwhile, the servo electric cylinder is matched with the adjusting frame, so that the distance between the rollers can be accurately adjusted to adapt to rolling of profiles with different thicknesses, and the rolling precision is guaranteed.
Owner:ANHUI JINYING ALUMINUM
Integrated multi-mode roller system switchable ultra-thin strip precision rolling mill system
The invention relates to the technical field of metal rolling machining, and discloses an integrated multi-mode roller system switchable ultra-thin strip precision rolling mill system which comprises a closed type common rack and a screw-down system fixedly connected to the closed type common rack. The multi-mode detachable roller system mechanism is matched with the assembly space in the closed type common rack, the multi-mode detachable roller system mechanism comprises a six-roller roller system mechanism, a twelve-roller roller system mechanism and a twenty-roller roller system mechanism, and the screw-down system is used for adjusting the rolling thickness of the roller system mechanisms; the shared transmission mechanism comprises a motor, a gear seat and a transmission shaft, one end of the transmission shaft is in transmission connection with the motor through the gear seat, and the other end of the transmission shaft can be in transmission connection with any one of the six-roller system mechanism, the twelve-roller system mechanism and the twenty-roller system mechanism. Covering type rolling from thick strips to ultra-thin strips is achieved, the modular production requirement for small-batch customization of the ultra-thin strips is met, and the rack utilization rate and the equipment utilization rate are remarkably increased.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
A steel strip rolling mill and a steel strip rolling method
The application provides a steel strip rolling mill and a steel strip rolling method. The steel strip rolling mill comprises a rack, a work roller assembly and a pressure regulating roller assembly arranged on the rack. The work roller assembly comprises an upper work roller and a lower work roller which can rotate relative to the rack, and a rolling channel is formed between the upper work roller and the lower work roller. The pressure regulating roller assembly comprises a first pressure regulating roller arranged above the upper work roller, and the first pressure regulating roller is provided with a first roller surface at one end close to an operation side, and the first roller surface is arranged tangentially with a work roller surface of the upper work roller. By arranging the pressure regulating roller assembly, the first roller surface of the first pressure regulating roller close to the operation side is arranged to press the upper work roller, and the rolling pressure of the upper work roller away from the driving side can overcome the reaction force generated in the process of rolling the steel strip, so that the rolling channel of the work roller assembly can be kept stable in the process of rolling the steel strip, and the deviation of the transverse thickness of the steel strip can be avoided, so that the quality of the steel strip can be ensured and the rolling efficiency can be improved.
Owner:FOSHAN JIANCHUANGYE PRECISION STEEL STRIP CO LTD
A lamination lubricant distribution unit for lubricating the work rolls of a rolling mill used to laminate sheets of alkali metals or alkali metal alloys into films.
A lamination lubricant dispensing unit is disclosed for lubricating the work rolls of a rolling mill used to laminate sheets of alkali metals or alkali metal alloys into films. The lubricant dispensing unit comprises: a dispensing unit body defining a laterally extending wall; a first sidewall and a second sidewall extending forward from the laterally extending wall; and a protrusion connected to a lower end of the wall. The protrusion extends forward from the laterally extending wall and extends between the sidewalls. The protrusion and the wall define a recess having an open side. The protrusion has a leading edge for abutting against the lamination surface of the work roll. At least a portion of the protrusion is an angled portion extending upward and backward from the leading edge toward the laterally extending wall. The dispensing unit body defines at least one lubricant channel having an outlet defined in the laterally extending wall.
Owner:BLUE SOLUTIONS CANADA INC
Roller system structure and rolling method for rolling magnesium alloy thin strip
The application discloses a rolling mill roller system structure and a rolling method for rolling magnesium alloy thin strips, which comprises upper supporting working rollers, lower supporting working rollers, upper working rollers, lower working rollers, front machine following steering rollers, rear machine following steering rollers, an uncoiler and a coiler, and magnesium alloy thin strips on the uncoiler pass through the upper supporting working rollers and the upper working rollers, the rear machine following steering rollers, the space between the upper working rollers and the lower working rollers, the front machine following steering rollers, the space between the lower supporting working rollers and the lower working rollers and are wound on the coiler in sequence in a rolling direction. The rolling mill roller system structure realizes one-time unwinding and winding of the magnesium alloy thin strips on a single-stand production line, three-pass rolling can be carried out in the unwinding and winding process, the number of heating and temperature compensation can be reduced, the four-drive asymmetric roller system body structure is adopted, the special requirements of the special lattice structure of the magnesium alloy thin strips on rolling deformation can be met, the anisotropy of the product can be reduced, and the product performance can be further improved.
Owner:CHINA NON-FERROUS METALS PROCESSING TECH CO LTD
Segmented combined bushing type large wide and thick plate supporting roll
The invention discloses a segmented combined bushing type large wide and thick plate supporting roller, and belongs to the technical field of large supporting rollers. The large wide and thick plate supporting roller comprises a roller shaft and a roller sleeve arranged on the roller shaft in a sleeving mode, the outer surface of the roller shaft and an inner hole of the roller sleeve are each of a taper structure with the outer side diameter larger than the inner side diameter, additional axial force pointing to the middle of the roller shaft is formed after hot charging, and the interference magnitude of the outer side of the roller sleeve is smaller than that of the inner side of the roller sleeve; grooves are formed in the outer surface of the roller shaft and the inner surface of the roller sleeve, and the grooves of the roller shaft and the roller sleeve are matched to form an oil storage cavity; a wireless pressure test valve mounting hole communicated with the oil storage cavity is formed between the contact surfaces of the roller sleeve and the roller shaft, a wireless pressure test valve is mounted in the wireless pressure test valve mounting hole, and the wireless pressure test valve remotely displays the pressure of the oil storage cavity through the Internet of Things technology; the roller sleeve comprises a left side roller sleeve body, a middle roller sleeve body and a right side roller sleeve body which are sequentially arranged in the axial direction of the roller shaft and are inlaid with the roller shaft through overall hot charging.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY
A method for setting the roll shape of a finishing mill without roll shifting device
This invention provides a method for setting the roll shape of a finishing mill without a roll shifting device, comprising: when changing support rolls in any finishing mill in the finishing mill production line, configuring one standby support roll and multiple standby work rolls for the finishing mill; determining the maximum and minimum converted roll diameter values and the target converted roll diameter value based on the theoretically designed maximum and minimum support roll diameters, maximum and minimum work roll diameters, and the roll diameters of the standby support roll and standby work rolls; calculating the target work roll shape corresponding to the standby work roll; grinding the standby work roll according to the target work roll shape corresponding to the standby work roll; during the operation of the standby support roll, rotating the multiple standby work rolls at preset time intervals, and re-grinding the standby work rolls rotated off the finishing mill during the operation of the standby support roll according to the target work roll shape corresponding to the multiple standby work rolls, so as to continue to rotate and use them during the operation of the support roll.
Owner:LIUZHOU IRON & STEEL CO LTD
Six-high rolling mill stand, finishing mill train for hot rolling an intermediate strip into a thin strip and method for producing a thin strip
Owner:PRIMETALS TECH AUSTRIA GMBH
Intermediate roll shifting device for six-roll mill
The utility model discloses an intermediate roll shifting device for a six-roll mill, which is characterized in that two ends of an upper intermediate roll and a lower intermediate roll are respectively and fixedly arranged in an intermediate roll bearing seat assembly on a rack, the intermediate roll shifting device further comprises two intermediate roll shifting mechanisms, and the upper intermediate roll and the lower intermediate roll are respectively driven by the intermediate roll shifting mechanisms; each middle roller shifting mechanism comprises a roller shifting driving device, the two ends of each roller shifting driving device are connected with locking pin blocks respectively, and the two locking pin blocks are detachably connected with the corresponding middle roller bearing seat assemblies respectively. According to the intermediate roll shifting device for the six-roll mill, the intermediate roll shifting action can be completed only by driving the intermediate roll assembly through the intermediate roll shifting mechanism, the rolled plate shape control is guaranteed, and the problems that an existing structure is complex, the operation requirement precision is high, and the leakage point risk exists are solved.
Owner:MCC SFRE HEAVY IND EQUIP
Segmented flange connecting device for balance cylinder of working roll of rolling mill
The utility model relates to the field of hot rolling machining, in particular to a rolling mill working roll balance cylinder sectional type flange connecting device which comprises a flange short connector, one side of the flange short connector is sleeved with a halving flange, and the halving flange comprises an upper halving flange part and a lower halving flange part; the side, away from the flange short connector, of the halving flange is connected with a rolling mill balance cylinder. Flange oil leakage accidents are greatly reduced, the time for disassembling the flange and the rubber pipe is shortened, working efficiency is improved, flange bolts can be prevented from being blocked by thick and hard oxide layers left on the side face of a rolling mill, production efficiency is improved, spare part loss is reduced, and production cost is reduced. The rubber tube replacement efficiency is improved, and the impact resistance and vibration resistance of the flange bolt and the flange during rolling are enhanced, so that the hydraulic cylinder has the advantages that the operation is stable, the maintenance is convenient, accidents are reduced, a large amount of energy and cost are saved, the field production requirement is met, and the hydraulic cylinder is also applicable to rolling mill balance control connection systems in other industries.
Owner:LIAONING XINLONGJI HYDRAULIC LUBRICATION MACHINERY
Supporting steel roller with multiple layers of fastening mounting mechanisms
ActiveCN223642479UCounter-pressure devicesMetal rolling arrangementsStructural engineeringMechanical engineering
Owner:TIHUI ROLLER (SUZHOU) CO LTD
Guiding device for chocks of work rolls in roll stands
Owner:SMS GROUP GMBH
Roller frame device with supporting roller shaft easy to replace
ActiveCN223946483UMetal rolling stand detailsCounter-pressure devicesStructural engineeringMechanical engineering
The utility model discloses a roll frame device with a supporting roll shaft easy to replace, which relates to the technical field of cold-roll steel plate online production equipment and comprises a movable bottom plate, a lifting mechanism is arranged on one side of the upper end face of the movable bottom plate, a distance adjusting component and a limiting component are mounted on the lifting mechanism, and a lifting structure is connected onto the distance adjusting component. The other side of the upper end face of the movable bottom plate is provided with a balance weight structure, the lifting structure comprises a circular end plate, the top of the circular end plate is provided with an inserting groove, the edge side of the bottom of one side of the circular end plate is provided with an arc-shaped supporting ring, the lifting mechanism comprises two fixing cylinders, lifting plates are slidably inserted into the two fixing cylinders, and the upper ends of the two lifting plates are connected with lifting rods. According to the roll shaft replacing device, through the arrangement of the lifting mechanism, the distance adjusting assembly, the limiting assembly, the lifting structure and the balance weight structure, different roll shafts can be replaced, the roll shafts cannot fall off from the roll shaft replacing device in the whole process, and accident risks and potential safety hazards are effectively reduced.
Owner:ANGANG COLD ROLLED STEEL PLATE (PUTIAN) CO LTD
Rolling machine
PendingUS20260108928A1Metal rolling stand detailsCounter-pressure devicesWork rollStructural engineering
Rolling machine (1) includes work roll (10) that comes into contact with rolled material (K), backup roll (20) that supports work roll (10), housing (30) that accommodates work roll (10) and backup roll (20), first bearing (40) that supports work roll (10) with respect to housing (30), and second bearing (50) that supports backup roll (20) with respect to housing (30).
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Low-molybdenum-content Cr5 material supporting roller and manufacturing method thereof
The invention discloses a low-molybdenum-content Cr5 material supporting roller and a manufacturing method thereof. The supporting roller comprises the following chemical components in percentage by weight: 0.48-0.54% of carbon, 0.45-0.55% of molybdenum, 0.45-0.55% of molybdenum, 0.45-0.55% of molybdenum, 0.35 to 0.65 percent of silicon; 0.35 to 0.65 percent of manganese; 4.50 to 5.10 percent of chromium; 0.30% or less of nickel; 0.20 to 0.35 percent of molybdenum; less than or equal to 0.15% of vanadium; less than or equal to 0.015% of phosphorus; less than or equal to 0.010% of sulfur; the final heat treatment of the supporting roller comprises the steps of preheating treatment, static induction quenching and tempering treatment. According to the Cr5 supporting roller, the molybdenum content is 0.35% or below, compared with an existing Cr5 supporting roller with the molybdenum content being 0.40% or above, the production cost can be effectively reduced, and meanwhile it is guaranteed that the surface hardness of a roller body can reach 65 HSD or above, the hardening layer depth is larger than or equal to 70 mm, and the grain size is 8-9 grades through optimization of final heat treatment.
Owner:BAOSTEEL ROLL SCI & TECH
Hydraulic balance mechanism for roller
ActiveCN224157517UMetal rolling stand detailsRolling equipment maintainenceBalancing machineElectric machine
The utility model relates to the technical field of metallurgical machinery, and discloses a roller hydraulic balance mechanism which comprises a mounting frame and a plurality of rotating motors, the output ends of the rotating motors are fixedly connected with rolling rollers, and the left ends of the rolling rollers are rotationally connected to the left side of the interior of the mounting frame. A lifting mechanism is arranged at the top of the inner side of the mounting frame and used for conducting lifting adjustment on the upper rolling roller and the lower rolling roller, and a double-balance mechanism is arranged at the top of the mounting frame and used for reducing thread damage generated in the adjustment process of the lifting mechanism. The driving motor drives the double worm shafts to be in transmission with the worm gear groove of the threaded barrel, so that the threaded barrel rotates to push the screw to ascend and descend in the limiting disc, the rolling roller is driven to adjust the height through the rotating sleeve, the effect of accurate ascending and descending adjustment of the rolling roller is achieved, shaking and deflection during adjustment are reduced, screw thread damage is reduced, and the rolling precision is improved; the service life of the screw is prolonged.
Owner:江苏富民鑫科重型机械有限公司
Roll press apparatus and method for manufacturing processed products
This technology reduces the amount of workpieces that have uneven thickness in the width direction. [Solution] The roll press apparatus includes a sensor unit that measures the shapes of the first roll and the second roll and detects the deflection of the first roll and the second roll, and a control unit that operates at least one of the first bend unit and the second bend unit so as to impart reverse deflection to the first roll and the second roll in response to the deflection detected by the sensor unit.
Owner:SINTOKOGIO LTD
Replacing and positioning device for back-up rolls of six-roll reversible rolling mill
The utility model discloses a six-roller reversible mill supporting roller replacing and positioning device, and relates to the technical field of reversible mills, and the six-roller reversible mill supporting roller replacing and positioning device comprises supporting frames located on the two sides of a lower supporting roller moving rail; the two first telescopic cylinders form a group and are horizontally arranged, each supporting frame is provided with one group, the two first telescopic cylinders in each group are located on the same horizontal plane, and piston rods face the supporting frame on the other side; the abutting wheel is rotationally connected to the end of a piston rod of the first telescopic cylinder and used for abutting against the side wall of the supporting roller. After the piston rod of the first telescopic cylinder extends out, the abutting wheel and the supporting roller abut against the position over the rail. The device has the effect of improving the replacement efficiency and safety of the supporting rollers of the six-roller reversible rolling mill.
Owner:ZHONGPU PRECISION MFG CO LTD
Supporting base and supporting equipment
ActiveCN224058359UGood fit and supportImprove stabilityCounter-pressure devicesMetal rolling arrangementsSupport pointIndustrial engineering
The utility model relates to the technical field of mechanical maintenance equipment, in particular to a supporting base and supporting equipment. The supporting base comprises a bottom plate; the multiple supporting blocks are arranged on the surface of the bottom plate in an array mode, every two adjacent supporting blocks are symmetrically arranged relative to the center line of the bottom plate, every two adjacent supporting blocks incline inwards to form an inclined face, and the multiple inclined faces are symmetrically arranged to form a groove-shaped fixing space; a vertical distance is formed between every two adjacent supporting blocks, and the vertical distance is smaller than or equal to 100 mm. According to the supporting base, through the unique design and layout of the supporting blocks, the symmetrically-arranged supporting blocks and the evenly-distributed supporting points, stable, attached and efficient supporting of the rolling mill supporting roller is achieved. By means of the design, the stability of the rolling mill back-up roll in the checking process is improved, the safety of the rolling mill back-up roll is guaranteed through the self-locking effect, and powerful guarantee is provided for efficient operation of a rolling mill.
Owner:SHOUGANG JINGTANG IRON & STEEL CO LTD
Rolling mill and rolling method
PendingUS20260061468A1Metal rolling stand detailsCounter-pressure devicesHydraulic cylinderWork roll
Provided are a plurality of hydraulic cylinders including drive side shift cylinders and work side shift cylinders all configured so as to apply force in an axial direction to a top work roll. The position of the top work roll in the axial direction is held by the drive side shift cylinders and the work side shift cylinders being moved in respective axial directions. The hydraulic circuit is configured such that, after the hydraulic circuit holds the position of the top work roll in the axial direction, in a case where the hydraulic cylinders from between the drive side shift cylinders or between the work side shift cylinders are put, by external force acting upon the top work roll, into a state in which the one hydraulic cylinder applies force in the axial direction to the top work roll, the other hydraulic cylinders are moved in the opposite direction.
Owner:PRIMETALS TECHNOLOGIES JAPAN LTD
A control method, device, medium and equipment for a cold rolling mill lower inclined wedge block
The present application provides a method, device, medium, and equipment for controlling the lower inclined wedge of a cold rolling mill, wherein the method includes: after the working rolls of the cold rolling mill are replaced, controlling the lower inclined wedge of the cold rolling mill to move horizontally from a starting position at a first preset speed toward the cold rolling mill to drive the lower support roll of the cold rolling mill to lift upward; after the lower inclined wedge moves to the preset position, controlling the lower inclined wedge to continue moving horizontally toward the cold rolling mill at a second preset speed, the second preset speed being less than the first preset speed; and stopping after the support roll is lifted upward to a specified position to complete the frame closure of the cold rolling mill. The present application solves the problem of collision of the rollers due to improper speed control of the lower inclined wedge when closing the cold rolling mill frame. The solution proposed in the present application can avoid collision of the rollers when the frame is closed, thereby ensuring the smooth closure of the frame after the roll change of the cold rolling mill and the subsequent production quality of the strip.
Owner:BEIJING SHOUGANG COLD ROLLED SHEET
Hot rolling mill for small lithium battery pole piece
The invention relates to the technical field of lithium battery pole piece processing, and discloses a hot mill for a small lithium battery pole piece, the hot mill comprises a concave mounting rack and two symmetrically arranged hot rolling mechanisms, and the pole piece passes through the concave mounting rack and the two hot rolling mechanisms. Each hot rolling mechanism comprises a mounting block, a rotating frame and three uniformly distributed rollers, and the rollers can be quickly switched by driving the rotating frame through a motor I; two auxiliary compression rollers controlled by a reverse synchronous moving structure are arranged on the mounting block and can move in opposite directions to support the working rollers, so that rolling deformation is effectively resisted; the driving structure drives the roller to rotate through the transmission and rotation assembly, and a heating structure is arranged to achieve temperature control. The auxiliary compression roller also has the functions of smearing a separant and cleaning the surface of the roller; the problems that an existing hot mill roller is prone to deformation, tedious to replace and low in production efficiency are solved, the roller replacing device has the advantages of being rapid in roller replacing, stable in supporting, resistant to roller sticking, capable of achieving self-cleaning and the like, and the pole piece quality consistency and the equipment utilization rate are remarkably improved.
Owner:SHENZHEN HUIXINLI ELECTRONIC TECH CO LTD
Ultra-thin silicon steel cold rolling production system
The invention belongs to the field of plate and strip rolling, and relates to an ultra-thin silicon steel cold rolling production system. An ultra-thin silicon steel cold rolling production system comprises a memorial archway, a tower-shaped roller system and a servo oil cylinder. The tower-shaped roller system is composed of an upper roller system and a lower roller system, and the upper roller system and the lower roller system are both installed in the memorial archway. And the servo oil cylinder is arranged below the lower roll system and controls the overall lifting of the lower roll system so as to change the opening degree of the rolling mill, and the opening degree of the rolling mill is suitable for threading rolling, broken strip treatment and residue cleaning of ultra-thin silicon steel. The ultra-thin silicon steel cold rolling production system has the large opening degree and the high roll system rigidity, and through arrangement of the tower-shaped roll system, the requirement for the small roll diameter needed by rolling of ultra-thin silicon steel strips is met, and the overall roll system rigidity is guaranteed. The whole lifting of the lower roll system is driven by the servo oil cylinder, so that the requirements of conditions such as strip threading and maintenance on large opening degree are met, and great space arrangement in the machine provides convenience for handling accidents such as strip breakage.
Owner:CHINA NAT HEAVY MACHINERY RES INSTCO
A cold-rolled differential thickness plate coordinated support roller, a roller profile determination method, and a rolling mill platform
The present invention provides a matching support roller for cold-rolled differential thickness plates, a method for determining a roller profile, and a rolling mill platform. The matching support roller has a roller profile, and its shape matches the target thickness difference variation trajectory of the differential thickness plates. The roller profile is divided into n angular zones, and the n angular zones correspond to n differential thickness variation control cycles of the differential thickness plates. The platform for the cold-rolling mill for differential thickness plates adopts a bilaterally symmetrical structure, with the mill body at the very center of the platform, which is used to implement variable thickness rolling of differential thickness plates; the inlet-side thickness gauge and the outlet-side thickness gauge are used to provide real-time feedback of the plate thickness signal; the inlet-side curling roller and the outlet-side curling roller are used to implement the curling of the cold-rolled differential thickness plates; the inlet-side guide roller and the outlet-side guide roller are used to dynamically adjust the inlet-side tension value and the outlet-side tension value during the rolling process of the differential thickness plates; the outlet-side guide roller can move up and down, and the tension levels on both sides are dynamically adjusted by changing its position. The present invention can be used for cold-rolling production of differential thickness plates to mechanically match and correct the rolling trajectory of differential thickness plates.
Owner:CHINA NAT HEAVY MACHINERY RES INSTCO