84results about How to "Improve rolling efficiency" patented technology

The invention relates to the technical field of copper plate strip machining, and provides an advanced copper plate strip continuous rolling technology which comprises the steps that S1, a copper ingot with the copper content of 99.9% or above is selected, and raw materials are obtained through saw cutting and surface polishing; s2, the treated copper ingot is heated in a heating furnace, and the internal temperature uniformity of the copper ingot is guaranteed; s3, a roughing mill is used for rolling the heated copper ingot, and rough rolling is conducted for 2-3 passes; s4, the copper strip subjected to rough rolling enters an intermediate rolling mill, and intermediate rolling passes are 3-5 times; s5, the copper plate strip subjected to intermediate rolling enters a finishing mill, and the finishing pass is 3-4 times; and S6, on-line cooling is conducted, specifically, the copper plate strip obtained after finish rolling enters an on-line cooling system immediately. Through early-stage accurate saw cutting and polishing treatment, the initial quality of the copper plate strip is guaranteed, smooth proceeding of subsequent rolling procedures is guaranteed, the multi-pass continuous rolling process of rough rolling, intermediate rolling and finish rolling is combined with online cooling, and through strict parameter control, the production efficiency is improved, the energy consumption is effectively reduced, and the production cost is reduced.

The invention provides a high-damping titanium alloy with a wide temperature range at a high temperature and a preparation method thereof. The titanium alloy is prepared from the following elements in percentage by mass: 3.4 to 5.2 percent of Al, 2.8 to 4.4 percent of Cr, 2.6 to 4.5 percent of Mo, 0.7 to 1.5 percent of Zr, 0.17 to 0.41 percent of O and the balance of Ti. The preparation method of the alloy comprises the following steps: (1) cast ingot smelting; (2) homogenization treatment; (3) beta forging treatment; (4) near beta forging treatment; (5) rolling treatment; and (6) annealing treatment. The method is reasonable in conception, the functional characteristics of wide temperature range and high damping can be obtained at high temperature, the mechanical properties of high strength and high plasticity are achieved, meanwhile, the preparation difficulty of the material is reduced in combination with a traditional titanium alloy machining method, and the method is suitable for large-scale production, popularization and application.

The invention provides a three-roller modular rolling unit and belongs to the technical field of rolling equipment.The three-roller modular rolling unit comprises a mounting base, a plurality of C-shaped three-roller mill assembling frame bodies are arranged on the mounting base, and a base frame body is arranged in the multiple C-shaped three-roller mill assembling frame bodies in a penetrating mode; the three-roller reducing and sizing precision rolling mill is detachably mounted on the C-shaped three-roller rolling mill assembly frame body through the base frame body; a driving part for driving a transmission shaft of the three-roller reducing and sizing precision rolling mill to rotate is arranged on the C-shaped three-roller rolling mill assembly frame body; a pinch roll device, a guide device and a leading-out guide cylinder are arranged on the base frame body. According to the three-roller modular rolling unit, through modular design, the number and layout of the three-roller reducing and sizing precision rolling mills on the whole three-roller modular rolling unit can be flexibly adjusted according to production requirements, the requirements of different customers for different passes of the unit can be met, the application range is wide, rapid replacement and maintenance can be achieved, and the production efficiency is improved. The rolling efficiency is improved.

The invention discloses a method for improving the compactness of square steel for deep drawing, which adopts tundish induction heating and tundish temperature control within a reasonable range to ensure that the pulling speed is kept constant during casting and continuous casting at a lower degree of superheat, and adopts a continuous casting heavy pressure technology to improve the center porosity and shrinkage cavity of a casting blank; a BD cogging mill is adopted for large rolling reduction rolling, and the maximum single-pass rolling reduction is 100 mm; and isothermal operation is carried out in front of the fourth continuous rolling mill, only temperature measurement is needed, and the method is simple and easy to implement. According to the 154 mm deep drawing square steel produced through the technical scheme, the center porosity is smaller than or equal to 0.5 grade, the general porosity is 0 grade, the ingot segregation is 0 grade, and the residual shrinkage cavity is 0 grade, that is, no ingot segregation and residual shrinkage cavity exist, and ultrasonic flaw detection reaches A grade or above; and the high compactness requirement of the steel for deep drawing is met.

The invention discloses an automatic metal strip rolling device, and belongs to the technical field of metal rolling, the automatic metal strip rolling device comprises a main body device, a driving device, a supporting device and two conveying devices are arranged on the main body device, the main body device is used for rolling a metal strip, the driving device is used for providing power for rolling, and the conveying devices are used for conveying the metal strip; the supporting device is used for supporting a metal strip to be rolled. The main body device can adjust the distance between the two rolling rollers, so that a metal strip can be rolled into different thicknesses, various different machining requirements are met, meanwhile, when the positions of the rolling rollers are adjusted, a lower outer ring gear and an upper outer ring gear are engaged with a stud gear all the time, and the positions of the rolling rollers are very convenient to adjust; the driving device can drive the main body device and the two conveying devices to move at the same time, the rotating speeds and the rotating directions of the conveying rollers and the rolling rollers are kept consistent and synchronous, the rolling efficiency of the metal strips is effectively improved, and continuity is good.

The invention relates to the technical field of tea leaf rolling fermentation, and discloses a full-automatic tea leaf rolling fermentation device which comprises a rolling disc, a rotating disc is arranged at the top of the rolling disc, a rolling mechanism is arranged at the bottom of the rotating disc, and the rolling mechanism comprises an annular groove, a rolling roller, a round rod, a movable rod and a first reset spring. Rotation of the rotating disc is matched with the rolling disc which swings circumferentially on the spherical supporting rod, a plurality of rolling rollers are driven to roll circumferentially at the top of the rolling disc, and the rolling disc swings circumferentially to achieve the effect of simulating manual rolling, so that the purpose of rolling tea leaves is achieved, and the purposes of breaking tea leaf cell walls and improving tea leaf quality are achieved. Meanwhile, when the rotating disc rotates, an elastic and arc-shaped scraping plate is driven to scrape the tea leaves attached to the upper portion of the rolling disc and is matched with circumferential rotation to generate a discharging effect, so that the tea leaves can be pushed to the outer edge of the rolling disc.

The invention discloses an Enshi Yuwu digital rolling unit and a rolling method. The Enshi Yuwu digital rolling unit comprises a continuous dynamic circulating feeding system, a rolling device, a secondary vibration discharging system and a control system, through effective matching of the continuous dynamic circulating feeding and discharging device, the rolling device and the control system, digital operation of the Enshi Yulu rolling procedure can be achieved, redundant tea which does not enter the rolling machine can be recycled in the operation process, compared with a traditional method, a user does not need to frequently and manually carry the redundant tea, the workload is reduced, and the production efficiency is improved. The working efficiency is improved. Through cooperative use of the mechanisms, the problems of difficult excess material recovery, non-uniform deblocking, low rolling process standard and the like in the tea rolling process are solved, the quality of the Enshi Yulu dews is improved, the processed Enshi Yulu dews have the characteristics of high efficiency, high standard, high intelligence and the like, and the Enshi Yulu dews are of great significance to development of the Enshi Yulu dews.

The invention belongs to the technical field of metal plate non-cutting machining, particularly relates to a welding neck flange totally-closed rolling forming die and a forming process, and aims to solve the problems that an existing process is more in step, low in rolling efficiency and incapable of accurately rolling the appearance. The welding neck flange totally-closed rolling forming die comprises a base, and a box body is fixed to the top of the base; one side of the box body is in sliding fit with two door leaves which are used for sealing the interior of the box body; the movable box slides on the inner wall of the top of the box body, a mandrel penetrates through the bottom of the movable box and is used for punching and rolling blanks, and a rotating ring is rotationally arranged at the top of the base. After punching, the mandrel is matched with the rolling die and the moulding bed to directly conduct rolling operation, the rolling procedures are reduced, and the production efficiency is improved. In addition, in the rolling process, the height of the blank can be limited through cooperation of an air cylinder, a lower moving ring and a conical wheel, and the forming accuracy of the blank is greatly controlled.

The utility model relates to the technical field of edge rolling machines, in particular to an automatic edge rolling machine which comprises a compression roller adjusting mechanism, and an edge rolling mechanism is fixedly arranged in the compression roller adjusting mechanism. According to the metal plate edge rolling device, the servo motor can drive the material pushing column to move, meanwhile, the chain wheel II and the rotating shaft can be driven to rotate through the chain, so that the edge rolling roller can conduct edge rolling on a metal plate, and the four extrusion rollers arranged outside the edge rolling roller can conduct extrusion limiting on the metal plate in the edge rolling process; when the thickness of a machined material is changed, a moving seat can be driven to move through the end of a first air cylinder, in this way, the moving seat can drive four linkage rods to rotate, and the end of each linkage rod can drive a U-shaped frame and an extrusion roller to slide in a protection box. And the four extrusion rollers are far away from or close to the edge rolling roller, so that the edge rolling device can be quickly adjusted according to the thickness of a machined material, and the edge rolling efficiency can be improved.

The utility model discloses a tread roller press for tire manufacturing, and relates to the technical field of tire manufacturing, in particular to a tread roller press for tire manufacturing, which comprises a bottom plate, a tire and a limiting device, the limiting device is arranged on the bottom plate and comprises a driving component and a limiting component, the outer side of the driving component is connected with the telescopic driving component, and the limiting component is arranged on the bottom plate. The device comprises a bottom plate, limiting devices are fixed to the top of the bottom plate, tires are connected to the outer sides of the limiting devices in a sleeving mode, two symmetrical limiting sliding rods are fixed to the top of the bottom plate, a movable plate is movably connected between the two limiting sliding rods, the top end of one side of the movable plate is movably connected with a replacement plate in a sleeving mode, and the two ends of one side of the replacement plate are movably connected with the limiting devices in a sleeving mode. According to the tread roller press for tire manufacturing, the replacement plate is driven by the output shaft of the first motor to rotate, and after a tire on one limiting device is rolled and pulled out, the tire is overturned by 180 degrees through the replacement plate.

The present invention discloses a crawler slope roller, which relates to the technical field of infrastructure construction equipment, and solves the problems of poor stability of the tractor and uncontrollable direction of the roller in the prior art. The present invention includes a tractor, a rolling mechanism, a steering mechanism and a swing arm mechanism, wherein the rolling mechanism is hinged to the steering mechanism, the swing arm mechanism is arranged on the tractor, and the tractor is connected to the steering mechanism via a traction rope arranged on the swing arm mechanism. The present invention adopts an auxiliary bracket to cooperate with the tractor, which can further increase the stability of the tractor on the slope and prevent it from slipping; the steering mechanism adopts a telescopic cylinder symmetrically arranged on both sides, which can form a stable traction direction and avoid repeated rolling. At the same time, it can also perform steering operations within a certain range to improve the rolling efficiency; a shock absorber is arranged between the vibration roller body and the traction frame, which can avoid the vibration of the vibration roller body and drive the tractor to shake, thereby increasing the service life of the present invention.

The utility model provides a kind of rolling mechanism for flexible circuit board processing equipment, it belongs to flexible circuit board processing field, it includes: support platform, the upper end of mounting block is equipped with pressure sensor and guide rod, the moving rod of sliding arrangement and can be used is equipped on the guide rod, the lower end of spring and moving rod is resisted;The compression roller is moved to the above of two groups of vacuum air holes respectively, and the softness circuit board being vacuumed and adsorbed by vacuum air hole is rolled and pressed one by one, two groups of the vacuum air hole alternate use.The utility model pressure sensor real-time detection compression roller to the rolling pressure degree of flexible circuit board, ensure that rolling pressure degree meets the demand of this model circuit board two groups of vacuum air hole alternate use, realize continuous operation, greatly improve the rolling efficiency, in rolling process, always keep accurate control to rolling pressure degree, ensure that every piece of flexible circuit board can obtain high quality rolling treatment.

The invention relates to the technical field of cold rolling mills, in particular to a high-stability cold rolling mill which comprises a machine body and a roller assembly installed on the machine body, supporting frames are installed on the two sides of the machine body, a plurality of conveying rollers are rotationally connected to the supporting frames, and the conveying rollers are used for conveying steel plates; according to the high-stability cold rolling mill, on one hand, a bent steel plate is relatively fixed to the supporting table through the steel plate guide-in assembly, on the other hand, the bent steel plate is leveled through the reset mechanism, and in the process that the bent steel plate moves to the supporting table, the dust removal opening in the air outlet cover is matched with the air outlet cover at the same time; and meanwhile, in the process of leveling the bent steel plate, particle impurities and chippings on the upper surface of the steel plate are synchronously removed, it is further guaranteed that the steel plate enters the roller assembly in the leveling state, and then stable rolling of the steel plate is achieved.

The utility model discloses a tea rolling machine, and relates to the technical field of rock tea processing, the tea rolling machine comprises a rack, a rolling disc, a rolling barrel, a driving part and a pressurizing device, the pressurizing device comprises a frame body, a pressing plate, a pressurizing assembly, a pressure sensor and a display; the frame body comprises a vertical rod and a cross rod, the bottom of the vertical rod is connected with the kneading barrel, and the cross rod is horizontally arranged above the kneading barrel; the pressing plate comprises a plate body and a rod body, and the rod body is in sliding connection with the cross rod; the plate body is positioned below the cross rod; the pressurizing assembly comprises a pressurizing piece, an abutting piece and a plurality of first elastic pieces; the pressurizing piece is movably connected with the cross rod; the abutting piece can be in contact with the plate body; and the display is arranged on the cross rod, and the display is in signal connection with the pressure sensor. The tea rolling device is more convenient for workers to use, so that the tea rolling efficiency can be effectively improved.

The utility model relates to an engineering machinery spring rolling clamp which comprises a clamp body, the right end of the clamp body is fixedly connected with a fixing plate, an electric push rod is installed at the upper end of the fixing plate, the power output end of the electric push rod is fixedly connected with an upper clamping plate, and the right end of the clamp body is fixedly connected with a lower buffering plate located on the lower side of the upper clamping plate. The lower buffering plate comprises a lower clamping plate fixedly connected with the clamp body, the outer end of the lower clamping plate is sleeved with an outer protection frame, two symmetrical buffering wrapping layers are arranged between the outer protection frame and the lower clamping plate, a threaded hole is formed in the bottom end of the outer protection frame, a threaded rod is connected into the threaded hole in a threaded mode, and the upper end of the threaded rod makes contact with and abuts against the lower clamping plate. And the buffering wrapping layer comprises the first buffering layer and the second buffering layer, the first buffering layer is located on the outer side of the second buffering layer, when the round steel is bent, the lower clamping plate can be protected and cooled, the lower clamping plate is not prone to damage in the long-term use process, and the service life of the lower clamping plate is prolonged.

The invention discloses a method for rolling 170 * 190 mm bars through a cogging mill pass system, and relates to the technical field of cogging mills. According to the method for rolling the bar with the size of 170 * 190 mm through a cogging mill pass system, a cogging mill rolling system comprises a large manipulator opening degree, a small manipulator opening degree and cogging mill rolling reduction, and a 430 * 350 mm raw material section is rolled into a section with the size of 170 * 190 mm through nine passes; turning steel in front of a first pass machine, wherein the K1 rolling reduction is 75-95 mm; turning steel after a second pass machine, wherein the rolling reduction of K1 is 50-70mm; turning steel in front of a third pass machine, wherein the rolling reduction of K2 is 60-80 mm; turning steel after a fourth pass machine, wherein the rolling reduction of K2 is 70-90 mm; turning steel in front of the machine in the fifth pass, wherein the rolling reduction of K3 is 55-75 mm; the steel is not turned over in the sixth pass, and the rolling reduction of K3 is 50-70 mm; turning steel in front of the machine in the seventh pass, wherein the rolling reduction of K4 is 55-75 mm; steel turning is avoided in the eighth pass, and the rolling reduction of K3 is 35-55 mm; and turning steel in front of the ninth pass machine, wherein the rolling reduction of K5 is 50-70 mm.

The utility model discloses a rolling device with a feeding structure, and relates to the technical field of tea rolling. Comprising a pipe body, a detachable top cover and a detachable bottom cover are installed at two pipe openings of the pipe body respectively, and the top cover, the pipe body and the bottom cover jointly form a barrel structure used for storing raw materials; the rolling bulge is mounted at the central position of the bottom of the bottom cover and is used for rolling raw materials; the material guide structure is mounted in the barrel structure and is used for uniformly dispersing the raw materials at the top of the bottom cover; a communicating notch used for discharging is formed in one end of the bottom of the bottom cover. According to the utility model, the material guide structure with a simple structure is additionally arranged in the rolling cylinder of the traditional manual tea rolling machine, and is matched with the sealing component arranged below the bottom cover, and the receiver and the sensor which are arranged outside the manual tea rolling machine and are used for controlling the operation of the sealing component; intermittent automatic feeding of the manual tea leaf rolling machine in the operation process is achieved, and the tea leaf rolling efficiency is improved to a certain degree.

The invention relates to the technical field of aluminum alloy processing and manufacturing, in particular to a rolling method of a 5-series aluminum alloy can cover material, which comprises the following steps: burdening, smelting, refining, filtering, casting, sawing and milling, heating, hot rolling, cold rolling, cleaning, trimming, straightening and packaging. The hot rolling conditions comprise that hot rough rolling is firstly carried out, the hot rough rolling is carried out for 19-21 passes, then five-rack hot continuous rolling is carried out until the thickness of a hot-rolled product is 2.1-2.3 mm, and the finish rolling temperature is 315-335 DEG C; the cold rolling conditions comprise that the temperature is reduced to 20-30 DEG C, cold rolling triple continuous rolling is carried out, and the thickness of a cold-rolled product is 0.2-0.25 mm. The rolling method is high in yield, high in rolling efficiency and stable in finished product quality.

The invention relates to the technical field of roller presses, and discloses a cement clinker roller press which comprises a shell, a fixing seat is arranged on one side of the shell, a main motor is connected to the fixing seat, a speed reducer is connected to the output end of the main motor, an extrusion roller is connected to one end of the speed reducer, and column nails are connected to the extrusion roller. A feeding barrel used for discharging cement clinker is connected to the upper portion of the shell, a sealing plate is slidably connected to the feeding barrel, one side of the sealing plate is connected with a deflection rod, a first air cylinder is connected to the shell, the telescopic end of the first air cylinder penetrates through the shell and is connected with two adjusting insertion plates, and the other adjusting insertion plate is connected with a U-shaped rod. According to the cement clinker rolling device, the extrusion rollers are protected through the adjusting inserting plates, it is ensured that cement clinker can be rolled in order, the discharging efficiency of the cement clinker can be adjusted through the movable adjusting plates, the cement clinker is pushed, guided and accelerated to enter the position between the extrusion rollers, and the rolling efficiency is greatly improved.

The utility model relates to the technical field of steel rolling devices, and solves the problems that water in a controlled cooling device of an existing steel rolling mill flows to the rear end and flows into a rear-section pipeline due to high water pressure and driving of moving steel bars, and the water in the rear-end pipeline is less and cannot completely wrap the steel bars for cooling, so that the upper and lower cooling of the steel bars is not uniform, and the service life of the steel bars is prolonged. And the problems of finished bent steel and end-to-end warping of the finished product are solved. The control cooling device comprises a cooling main pipe and a plurality of first connecting pipes connected with the water outlet end of the cooling main pipe, all the first connecting pipes are connected in sequence, a reverse water flapping assembly is connected between every two adjacent first connecting pipes, and the reverse water flapping assemblies are used for flushing water flow flowing backwards in the first connecting pipes and eliminating the water flow flowing backwards. According to the device, the water outlet end of the cooling main pipe is provided with a plurality of first connecting pipes communicated with the reverse water flapping assemblies, and the reverse water flapping assemblies enable water flowing backwards to flow back, so that the backward water flow is eliminated, bent steel of a finished product and head and tail warping of the finished product are reduced, and the rolling efficiency and the quality of the finished product are improved.

The utility model belongs to the technical field of high-speed wire rod rolling mills, and particularly discloses a high-speed wire and bar direct-drive roller box. According to the technical scheme, the direct-drive roller box comprises a left roller shaft, a right roller shaft, a roller box body, a left roller shaft gap mechanism and a right roller shaft gap mechanism, wherein the left roller shaft and the right roller shaft are used for realizing online rolling of wires and bars; the roller box body is used for fixedly supporting the left roller shaft and the right roller shaft; the rolling ends of the left roller shaft and the right roller shaft are fixed to the roller box through oil film bearings respectively, and the small ends of the left roller shaft and the right roller shaft are fixed to the roller box through rolling bearings respectively. Rotor coil assemblies are arranged on shaft bodies forming the left roller shaft and the right roller shaft respectively, and corresponding stator coil assemblies are arranged on the inner walls, corresponding to the rotor coil assemblies, of the left roller shaft roll gap mechanism and the right roller shaft roll gap mechanism. A control mechanism electrically connected with the stator coil assembly is arranged on the outer wall of the left roller shaft roll gap mechanism and the outer wall of the right roller shaft roll gap mechanism. The pre-finishing mill module has the advantages of being simple in structure, low in equipment failure rate and high in transmission efficiency.

The invention relates to a duplex stainless steel ER2594 welding material and a preparation method thereof, and the welding material is prepared from the following raw materials in percentage by weight: less than or equal to 0.018% of C; 0.50% to 0.60% of Si; 0.60% to 0.80% of Mn; less than or equal to 0.020% of P; s: < = 0.002%; ni: 8.55 to 8.70%; cr: 25.80% to 25.95%; 3.80% to 3.90% of Mo; 0.22% to 0.24% of N; cu: less than or equal to 0.3%; b: 0.0015% to 0.0030% of the total weight of the raw The balance is iron and inevitable impurities; the preparation method comprises the steps that low-P, low-Pb, low-Sn, low-As, low-Sb and low-Bi waste stainless steel is selected, the waste stainless steel is sequentially subjected to smelting, die casting, two-fire cogging and blank solid solution, intermediate billet coping and cogging, intermediate billet rolling and wire rod surface treatment, and the welding material is obtained. The comprehensive performance of the welding material is improved, a wire product without surface defects and core precipitation can be produced in a high-speed wire continuous rolling unit, the yield can reach 85% or above, the surface of an intermediate blank is free of precipitation, it is guaranteed that cracking caused by grinding is avoided in the grinding process, and remarkable economic benefits and environmental protection benefits are achieved.

The utility model discloses a tea rolling device and belongs to the technical field of tea production. The tea leaf rolling device further comprises six rolling rollers I which are rotationally connected to the outer circumference of the rolling block; a gap is formed between the rolling roller I and the inner side wall of the rolling box; the lower end surface of the rolling block is rotationally connected with six rolling rollers II; a steam channel is formed in the upper end surface of the rolling block and corresponds to each rolling roller II; a steam storage cavity is formed in the inner side of the fixed block; the output end of the air valve is fixedly connected with the air delivery pipe; heating blocks are fixedly arranged at the lower end of the inner side of the steam box; the fixing block is fixedly provided with a motor in the steam storage cavity; the output end of the motor is fixedly connected with a rolling block; by arranging the steam storage cavity, the steam channel and the heating block, wet steam is added in the rolling process, the situation that tea leaves are prone to being damaged due to excessive leakage of juice in the rolling process is prevented, the tea leaves are kept slightly wet while being heated, and the rolling quality is improved.

The utility model relates to the field of mechanical production equipment, and discloses a hot-rolled ribbed steel bar rapid rolling device which comprises a workbench, a motor is fixedly connected in the workbench, the output end of the motor is fixedly connected with a first toothed concave wheel, the interior of the workbench is rotationally connected with a toothed belt, and the toothed belt is fixedly connected with a second toothed concave wheel. A toothed belt is arranged in the working table, the toothed belt is meshed with a toothed concave wheel I, a toothed concave wheel II is rotationally connected to the interior of the working table, the toothed concave wheel II is meshed with the toothed belt, a rotating shaft is fixedly connected to the interior of the toothed concave wheel II, and a gear II is fixedly connected to the outer wall of the rotating shaft. According to the utility model, firstly, the motor drives the toothed concave wheel to rotate, so that the problem that the stress generated by the reinforcing steel bar is not uniformly distributed due to inaccurate precision when the reinforcing steel bar is rolled is solved, the reinforcing steel bar is stably and quickly rolled, and the rolling speed can be increased while the uniform quality of the reinforcing steel bar can be ensured; and the production efficiency and the product quality are improved.

The utility model relates to the technical field of tea processing, in particular to a rolling device for black tea capable of accelerating enzymatic oxidation of polyphenol compounds, which comprises a shell component, a rolling disc is arranged in the middle of the top end of the shell component, and an annular positioning plate is arranged outside the rolling disc through a bearing. Through cooperation of a fixed seat, a brush plate and a mounting plate, black tea on the inner edge of a rolling disc is cleaned and rolled during use of the black tea rolling device, and the problem that the black tea needs to be manually cleaned to a rolling position for rolling due to the fact that the black tea is extruded on the edge of the device and cannot be rolled is solved; according to the black tea rolling device disclosed by the invention, when the black tea rolling device is used, the black tea in the rolling disc is rapidly rolled, the rolling efficiency of the rolling device on the black tea is greatly improved, and the problem that the labor intensity of workers is too high due to manual rolling is also solved, so that the rolling requirements of enzymatic oxidation black tea of polyphenol compounds are met.

The utility model discloses a tea leaf rolling structure which comprises a bracket and a rolling shell fixed on the bracket, a rolling plate is arranged in the rolling shell, a driving structure is arranged at the end part of the rolling shell, and a strip-shaped rolling groove with an opening in the top surface is formed in the rolling shell; the driving structure comprises a driving motor and a U-shaped supporting rod fixed to a main shaft of the driving motor. The rolling plate is located in the strip-shaped rolling groove, a rib rod is arranged between the rolling plate and the U-shaped supporting rod, one end of the rib rod is rotatably connected to the rolling plate through a pin shaft, and the other end of the rib rod is arranged on the U-shaped supporting rod through a lantern ring; the driving motor acts to drive the rolling plate to do reciprocating translation in the strip-shaped rolling groove through the rib rod. The tea leaf rolling device is reasonable in structural arrangement, the driving motor drives the rolling plate to horizontally move in a reciprocating mode, rolling operation is formed through the rolling plate and the inner wall of the strip-shaped rolling groove, rolling processing of tea leaves is completed, the rolling efficiency and the rolling effect are improved, use is stable and reliable, applicability is high, and practicability is good.

The application discloses a kind of setting method and system of mill middle roll system action, it is related to metal rolling technical field, the setting method of the mill middle roll system action includes opening new buffer zone, receives the setting value information of next pass in advance in rolling process, determines the setting thickness and expected rolling force of workpiece. According to the expected rolling force and rebound parameter, the mill rebound value is calculated, the roll gap setting value and the displacement value of screwdown are calculated from the setting thickness of workpiece, then the displacement and timing process of only hydraulic roll system action and hydraulic and electric roll system action are determined according to the mill state. When the current pass steel signal ends, the positioning process of upper and lower roll system starts, and the setting change value calculated according to the measured value is only controlled on the hydraulic roll system. According to the setting method of mill middle roll system action provided by the application, the rolling efficiency is obviously improved and the stable rolling of limit product specification is realized by optimizing the roll system action process.

This invention relates to the field of parts processing technology, and in particular to a burnishing cutter and its method of use. The burnishing cutter includes a shank, a burnishing element, a bearing, a mounting component, and a locking component. The shank has a mounting hole that matches the burnishing element, and the burnishing element is rotatably mounted in the mounting hole. The shank also has a receiving cavity and a through hole, which are sequentially connected. The bearing is rotatably mounted in the receiving cavity via the mounting component, and the outer ring of the mounted bearing contacts the burnishing element, forming a contact point one. The locking component is located in the through hole and can contact the outer ring of the bearing, forming a contact point two. By adjusting and fixing the position of the locking component, the compressive force it applies to the outer ring of the bearing at contact point two can be changed, thereby adjusting the flexibility of the bearing rotation and changing the relative motion between the burnishing element and the surface of the part. After burnishing high-toughness materials such as titanium alloys using this burnishing cutter, a surface roughness of Ra0.2 can be achieved.

The invention provides a rolling device. The rolling equipment is used for rolling a cylinder of a carrier rocket, and comprises at least two groups of rolling assemblies which are arranged at intervals along a first direction in a horizontal plane; the rolling assembly comprises a base and a rolling structure; the rolling structure comprises two roller carriers and two adjusting wheel assemblies which are oppositely arranged in the second direction; the second direction is perpendicular to the first direction in the horizontal plane; the bottom of the roller carrier is in sliding connection with the base; the bottom of the adjusting wheel assembly is fixedly connected with the roller carrier; one of the roller carrier and the adjusting wheel assembly can stretch out and draw back in the vertical direction. The synchronous belt is flexibly wound on the peripheries of the two rotating wheels and the two idle wheels; by adjusting at least one of the horizontal distance between the two rotating wheels and the vertical distance between the rotating wheels and the idle wheels, the synchronous belt between the two rotating wheels bears the barrels with different diameters and drives the barrels to roll. The rolling equipment provided by the invention has relatively high universality, and the cost can be reduced.

The present invention is applicable to the technical field of vehicle path planning, and provides a method, device, system and an on-board computer for automatic vehicle staggering. Based on the wheel width of the vehicle's rolling wheel, the vehicle's turning radius and the overlapping width of the rolling path, a first deflection vector is obtained; based on the vehicle's starting direction, the vehicle's starting position and the first deflection vector, the vehicle's first deflection position is obtained; based on the vehicle's starting position and the first deflection position, the vehicle's turning position and second deflection position are obtained; based on the starting direction, starting position, wheel width and the overlapping width, the vehicle's re-navigation position is obtained; the vehicle's path is set to start from the starting position, pass through the first deflection position, the turning position, the second deflection position and the re-navigation position in sequence, and complete the staggering. This solution sets key nodes in the rolling process and performs steering according to the key nodes. Compared with the traditional staggering method, it significantly reduces the turning distance and the vehicle's driving path, and improves the rolling efficiency.