76results about How to "Control depth" patented technology

The invention relates to the technical field of photovoltaics, and discloses a TBC battery structure capable of automatically forming gap areas and a PVD preparation method thereof.The TBC battery structure comprises a silicon substrate, p + areas and n + areas are arranged on the back surface of the silicon substrate, the height positions of the p + areas and the n + areas on the back surface of the silicon substrate are staggered to form steps, and the steps are arranged on the back surface of the silicon substrate. A gap region is formed on the side wall of the step connecting the p + region and the n + region, and the gap region is used for electrically isolating the p + region and the n + region; the p + region comprises a first tunneling oxide layer, a p-poly layer, a second tunneling oxide layer and an n-poly layer which are sequentially deposited on the silicon substrate; and the n + region is provided with a second tunneling oxide layer and an n-poly layer which are sequentially deposited on the silicon substrate. According to the invention, the p-poly is superposed with the n-poly to form the tunnel junction, so that the n-poly on the p-poly can be directly prevented from being removed by using the second laser, the damage of the laser to the crystalline silicon layer on the surface is avoided, meanwhile, a laser grooving process is reduced, and the production cost is greatly reduced.

The invention relates to the technical field of steel rail maintenance, in particular to a grinding device for grinding a steel rail at a high speed based on a CBN grinding wheel. Comprising a carrier used for running on a steel rail, a plurality of transverse moving assemblies are symmetrically installed on the two sides of the carrier and correspond to the steel rail, swing assemblies are installed on the transverse moving assemblies, longitudinal moving assemblies are installed on the swing assemblies, grinding assemblies are installed on the longitudinal moving assemblies, and CBN grinding wheels are detachably connected to the grinding assemblies. Through mutual cooperation of the transverse moving assembly and the swinging assembly, the grinding assembly and the CBN grinding wheel can be controlled to grind the steel rail at a set angle, so that the grinding precision and reliability of different surfaces of the steel rail are improved; the CBN grinding wheel can easily polish and maintain the steel rail, and the purity of scrap iron generated in the polishing process is higher. And therefore, frequent replacement of the grinding wheel is avoided, the steel rail grinding efficiency is improved, and meanwhile a large amount of flying dust and peculiar smell are avoided.

The utility model discloses a multifunctional film-mulching seeding machine, belongs to the technical field of seeding machines, solves the problem that the existing seeding machine cannot complete all cultivation operations of seed seeding, and adopts the technical scheme that the multifunctional film-mulching seeding machine comprises a rack, the rack is provided with a pesticide spraying device, a rotary cultivator device, a ridging device, a seed rope seeding device, a fertilizing device, a drip irrigation tape laying device, a film laying device and an earthing device, the pesticide spraying device comprises a pesticide storage barrel and a pesticide spraying rod, the rotary cultivator device comprises a rotary tillage blade, and the seed rope seeding device comprises a seed rope disc, a seeding pipe and a seeding wheel. The fertilizing device comprises a fertilizer box, a fertilizer discharging box, a connecting pipe and a fertilizing shovel, the drip irrigation tape laying device comprises a storage disc and a laying wheel, the film laying device comprises a film erecting rod and a film spreading roller, the soil covering device comprises a soil covering roller and a soil covering disc, and a notch is formed in the surface of the soil covering roller. The seeder disclosed by the utility model can automatically finish all cultivation operations required by seed sowing.

The invention provides an acupuncture needle with controllable depth. The acupuncture needle comprises an acupuncture needle main body, a lower sealing tube and an upper sealing tube, the lower sealing pipe and the upper sealing pipe are detachably connected, a sponge disinfection part is arranged at the bottom in the lower sealing pipe, a first magnetic disc is magnetically connected to the top in the upper sealing pipe, and the acupuncture needle body is arranged between the first magnetic disc and the sponge disinfection part. The bottom end of the lower sealing pipe is pressed on the portion, needing acupuncture, of a patient, the position of the magnetic ring assembly on the lower sealing pipe is adjusted according to needs, then the rod type elastic pressing piece is pressed to push the first magnetic disc to move in the upper sealing pipe and the lower sealing pipe, and the acupuncture needle body is driven to penetrate through the sponge disinfection piece to penetrate into the skin; when the first magnetic disk moves to the position where the magnetic ring assembly is located, the first magnetic disk and the magnetic ring assembly are magnetically attracted, and the depth of the acupuncture needle body penetrating into the human body is positioned, through the design, the acupuncture precision is improved, a beginner can accurately control the acupuncture depth, the operation difficulty is reduced, and the stability and reliability of acupuncture treatment are improved.

The invention discloses a cutting chain type transverse shaft type cutting mechanism suitable for a coal roadway and a half-coal-rock roadway and a heading machine. The cutting mechanism comprises a main machine frame, a motor, a cutting chain, a left cutting head and a right cutting head, the motor, the cutting chain, the left cutting head and the right cutting head are installed on the main machine frame, the left cutting head and the right cutting head are located on the two sides of the cutting chain respectively, and the motor drives the cutting chain to rotate and drives the left cutting head and the right cutting head to rotate; wherein a plurality of middle cutting teeth are distributed on the cutting chain; a plurality of left cutting teeth are distributed on the left cutting head; a plurality of right cutting teeth are distributed on the right cutting head; at least part of the middle cutting picks are matched with the left cutting picks to form a spiral line shape, and at least part of the middle cutting picks are matched with the right cutting picks to form a V shape. The problem that an existing cutting mechanism is low in cutting efficiency is solved.

The utility model relates to a hollow plate hot mark pressing device which is suitable for the field of hollow plate processing. The device comprises a support, two hot-pressing rollers rotating relatively are arranged on the support, a plurality of protruding annular hot-pressing teeth are evenly distributed on the hot-pressing rollers in the radial direction, a hot-pressing mark channel is formed, a motor drives a chain to conduct transmission, continuous machining of the hollow plate is achieved, and efficiency is improved. The hot-pressing roller is hollow to form a heat-conducting oil cavity, the hollow rotating shaft serves as an oil inlet and outlet channel, heat-conducting oil is circularly heated under the action of the conveying pump, the temperature is maintained at 180-220 DEG C, and it is ensured that the indentation quality is stable. A protective shell is arranged at the top of the device, and a feeding port and a discharging port are provided with height-adjustable L-shaped pressing plates, so that the device is suitable for plates with different thicknesses. According to the device, by optimizing the structural design, efficient and accurate hot-pressing mark machining is achieved, the machining quality of the hollow plate is remarkably improved, the service life of the hollow plate is remarkably prolonged, the production cost is reduced, and good market application prospects are achieved.

The invention relates to the technical field of batteries, in particular to a battery charging current calculation method and device, a medium and a battery management system. The method mainly comprises the steps of obtaining battery basic information and battery charging information; substituting the battery basic information and the charging information into a function that the battery temperature changes along with the charging current, and calculating the charging current; correcting the charging current based on the battery aging state SOH; and feeding back a closed-loop control charging current according to the temperature deviation. According to the invention, the feedforward charging current calculated based on the battery thermal model and the aging state can adapt to different environment temperatures and the aging state of the battery; by setting different charging target cut-off SOC values and target boundary temperature limit values and combining the deviation between the battery temperature and the target temperature limit value, the charging current and temperature rise of the battery can be controlled, so that the aging speed of the battery is controlled, and over-temperature charging or lithium precipitation is avoided.

The utility model belongs to environmental monitoring technical field especially relates to a sampling device for environmental wastewater monitoring, including sampling bucket, the sampling bucket bottom is equipped with the sampling port, is equipped with the anti -blocking mechanism in the sampling port, the sampling bucket upper end fixed mounting has the mount one, is equipped with locking mechanism in the mount. This sampling device for environmental wastewater monitoring, the design of anti -blocking mechanism, utilize fan blade, pivot, scraper, guide slot, sliding block, center pin and so on many components cooperation, effectively clean the filter plate surface and filter hole impurity, promote the anti -blocking performance, guarantee the continuity and high efficiency of sampling, sampling and locking mechanism cooperation uses, with the help of the buoyancy of the float ball to drive the rope, utilize piston disc reset to extract water sample, convenient operation, in addition, can also pass through the adjustment rope length, accurate control sampling depth, satisfy different monitoring demand.

The invention belongs to the technical field of alkali metal elements, and particularly relates to an ion irradiation method for element doping of a flexible CIGS film, which comprises the following specific steps: keeping a substrate at a set temperature, then turning on In, Ga and Se evaporation sources to deposit In, Ga and Se on the substrate, turning off the In and Ga evaporation sources after deposition, and turning off the In, Ga and Se evaporation sources after deposition. The temperature of the substrate is raised, when the temperature of the substrate is raised to the set temperature, the Cu evaporation source is turned on, and the required temperature of the substrate is kept. According to the method, the ion implantation amount and depth and the distribution of ions in the film can be accurately controlled, and various ions can be simultaneously implanted, so that the synergistic effect of alkali metal elements on the film quality and the improvement of the battery efficiency can be fully verified.

The invention discloses a quantum bit mapping method and device, equipment and a storage medium, and belongs to the technical field of quantum. The method comprises the steps that a coupling graph corresponding to quantum equipment is acquired, each vertex in the coupling graph represents one quantum bit in the quantum equipment, and an edge between the two vertexes represents that a double-quantum-bit gate is allowed to directly act on the quantum bits corresponding to the two vertexes; at least two connected sub-graphs are generated according to the coupled graph, the number of vertexes of each connected sub-graph is larger than or equal to 2 and smaller than or equal to the routing number of the coupled graph, and the sum of the number of the vertexes of the at least two connected sub-graphs is equal to a constant multiple of the number of the vertexes of the coupled graph; and based on the at least two connected subgraphs, performing quantum bit mapping on the logic circuit to obtain a hardware compilable circuit equivalent to the logic circuit. According to the method, the problem that the depth is too large due to quantum bit permutation under the limitation of a coupling graph is solved, and the technical effect of effectively reducing the time complexity of quantum bit mapping is achieved.

The invention relates to the technical field of solar cells, and provides a solar cell preparation method and a TOPCon solar cell. The preparation method of the solar cell in the technical scheme of the invention comprises the following steps: providing a silicon wafer, wherein the surface of the silicon wafer is provided with borosilicate glass with a first thickness; sequentially carrying out on-water floating pickling and immersion pickling on the silicon wafer to completely remove borosilicate glass on the back surface and the side surface of the silicon wafer, and keeping borosilicate glass with a second thickness on the front surface of the silicon wafer; wherein the first thickness is greater than the second thickness; and carrying out alkali liquor etching on the silicon wafer subjected to immersion pickling so as to remove the boron diffusion layers on the back surface and the side surface of the silicon wafer. According to the silicon wafer prepared by the preparation method of the solar cell in the technical scheme, the electric leakage phenomenon at the edge of the cell can be reduced, and the long-term reliability of the cell is improved; and the depth and the doping concentration of the PN junction can be more accurately controlled.

The utility model relates to a water conservancy monitoring device for a water conservancy project, and relates to the field of water conservancy monitoring devices. The device comprises a floating seat, an equipment seat is installed on the upper end face of the floating seat, the equipment seat is fixedly connected with the floating seat, a load bearing ring is further fixedly installed on the lower end face of the floating seat, an equipment box is fixedly installed on the upper end face of the equipment seat, and a detection platform is horizontally arranged on the upper end face of the equipment box. A monitoring box and a shooting assembly are fixedly installed on the upper end face of the detection platform, and a vertical pipe base is further fixedly installed at the center of the upper end face of the detection platform. Through the arrangement of the load bearing ring and the reasonable design of the structure of the floating seat, the device has good stability on the water surface, can resist the influence of water flow fluctuation and stormy waves, reduces the risks of shaking and toppling, and guarantees the accuracy of monitoring data. The winding assembly can conveniently control the depth of the water quality detector, so that the water quality at different depths can be conveniently detected.

The utility model relates to the field of soil plowing, and discloses rice soil plowing equipment which comprises a base, a control panel is arranged at the center of one side wall of the base, a power supply structure is arranged at the position, close to one side, of the center of the upper end face of the base, and a spraying structure is arranged at the position, close to the other side, of the center of the upper end face of the base. By means of the handrail, the rotator, the rotating rod, the dragging wheels, the steel curtain and the shock absorber, an operator can easily control and manipulate the whole moving structure, the stability and comfort of equipment are improved through the design, meanwhile, the equipment can flexibly run on different terrains, the working efficiency and the operation precision are improved, and the practicability is high. By means of the water tank, the self-priming pump, the water conveying pipe and the spray head, irrigation water can be sprayed to land needing to be ploughed, the operation efficiency of farmers is effectively improved, the labor intensity of the farmers is relieved, and the water conveying pipe is made of a hose material, has flexibility and elasticity and can better adapt to movement and change of a spraying system.

The present application belongs to the technical field of CHDM preparation process, and discloses a catalyst multi-bed steady-state grading loading method in a two-stage hydrogenation process in CHDM preparation process. A plurality of layers of catalyst multi-bed are arranged in the reactor in the two-stage hydrogenation process; the temperature at the catalyst bed in the reactor in the first-stage hydrogenation process is set to 135-170 DEG C, the temperature at the catalyst bed in the reactor in the second-stage hydrogenation process is set to 200-210 DEG C, and the number of layers of catalyst bed in the reactor in the first-stage hydrogenation process is more than that in the reactor in the second-stage hydrogenation process by one layer. The present application has the advantages of improving production efficiency, reducing production cost, ensuring the safety of operating personnel, improving catalyst utilization, optimizing reactor operation efficiency, etc. The present application has good practicability and popularization value.

The utility model discloses a kind of assembled sports field natural lawn repairing devices, belong to lawn repairing technical field.The device includes support, rotationally arranged rotating rod on support, the one end of rotating rod is provided with the drive element of driving its rotation, the other end is threadedly connected with soil taking cylinder, soil taking cylinder is equipped with pressing plate, rotating rod is equipped with with the press part of fixed connection of pressing plate outside sleeve.Set, rotating rod rotationally sets in sleeve.The utility model's advantage is in at:through drive element rotation of rotating rod is driven so that soil taking cylinder is displaced under the action of thread, to be taken out in lawn and soil block in depth, this step compared with the foot of prior art in soil taking can effectively control depth, so that soil taking is more accurate.Pressing plate also can be moved by press part, so that the soil taken is pushed out, by setting in soil taking cylinder simultaneously, convenient and fast to use.

The utility model provides a bone grafting guide device visible under an endoscope, which comprises a bone grafting funnel, a hollow rod fixedly connected to the lower end of the bone grafting funnel and a bone grafting bar inserted into the hollow rod in a matched manner, and a handle is arranged at the upper end of the bone grafting bar; the hollow rod is a transparent hollow rod; a through hole communicated with the hollow rod is formed in the bottom wall of the bone grafting funnel, a cover plate capable of being opened and closed is arranged at the upper end of the through hole, and scale marks are arranged on the inner wall of the bone grafting funnel. The condition in the hollow rod can be conveniently observed under an endoscope, so that a doctor can conveniently observe the bone grafting process and the depth and the position of aggregate, and the doctor can better control the movement of the aggregate and the depth of a bone grafting bar; according to the bone grafting device, the aggregate dosage can be visually checked, recording is convenient, the aggregate does not need to be metered in other containers in advance, the problem that the aggregate is attached to the inner walls of other measuring tools and materials are not used accurately is effectively solved, other measuring tools do not need to be additionally cleaned, the operation cost is saved, and meanwhile the bone grafting efficiency is improved.

The present invention relates to a device and method for safely removing a solid rocket engine nozzle plug. By adopting the screw transmission principle and carrying a buffer spring component, a portable manual punching device is constructed, which can achieve the purpose of the operator to perform safe punching operations on the surface of the engine nozzle plug. After completing the punching operation, the engine nozzle plug can be stripped by applying external force to specific holes. The above device and method can meet the needs of safe removal of engine plugs and provide technical support for the smooth implementation of high-altitude simulated ignition tests of solid rocket engines.

The present invention discloses a scoring balloon dilatation catheter, which belongs to the technical field of interventional treatment instruments, and comprises: a catheter; a balloon connected to the distal end of the catheter and capable of radial expansion relative to the catheter; a scoring mechanism, comprising a connecting rod assembly fixed at one end on the catheter, and a scoring member connected to the other end of the connecting rod assembly; the connecting rod assembly has a folded state of being folded to the outer wall of the balloon and an expanded state of being expanded outward relative to the outer wall of the balloon under the thrust during balloon expansion and the tension during contraction; when the connecting rod assembly is in the expanded state, the scoring member extends outward in the radial direction of the balloon. This scoring balloon dilatation catheter amplifies the moving distance of the scoring member in the radial direction of the catheter, and can achieve scoring of large outer diameter diseased tissue using a balloon with a small expanded outer diameter; the moving distance and scoring depth of the scoring member can also be controlled by controlling the size of the balloon expansion; in addition, the scoring member is subjected to the thrust of the connecting rod assembly, and the scoring force on the diseased tissue is greater.

The invention provides a method for manufacturing an integrated photonic platform, comprising: providing a substrate; depositing a lower cladding made of a first material on the substrate; depositing a photonic layer made of a second material on the lower cladding; and patterning the photonic layer to form a waveguide portion and an etch stop portion, wherein the waveguide portion is formed to guide a defined optical mode substantially inside the second material, wherein the etch stop portion is formed as a defined region of the photonic layer. The invention further provides a method for manufacturing an integrated photonic platform, comprising: etching a portion of an upper cladding made of the first material on the photonic layer by using a second etchant to at least partially expose the etch stop portion of the photonic layer, thereby forming a cavity; and etching the exposed portion of the etch stop portion of the photonic layer by using a first etchant to expose the lower cladding. Furthermore, the invention also provides a corresponding integrated photonic platform and a corresponding integrated photonic circuit.

The utility model relates to the technical field of skin brushing machines, and discloses a simple pipe skin brushing machine which comprises a workbench, a positioning block is installed on the top of the workbench in a sliding mode, a first motor is fixedly installed on the top of the positioning block, and an emery roll is fixedly installed at the output shaft end of the first motor. A stopping block located on the right side of the first motor is movably installed on the top of the workbench, and an arc-shaped sliding groove is formed in the stopping block. The pipe skin brushing device has the following advantages and effects that a pipe can be clamped and fixed, the pipe is controlled to rotate through the combined action of a mounting groove, a second motor, a rotating shaft, a gear, a groove and an outer gear ring, the outer layer of the pipe is conveniently and uniformly brushed, the pipe skin brushing quality is improved, the pipe skin brushing depth can be flexibly controlled, and the pipe skin brushing efficiency is improved. The rotating pipe is limited and restrained, rotation of the pipe is not affected, the pipe is prevented from shaking due to the skin brushing operation, and the skin brushing quality of the pipe is further improved.

The utility model discloses a kind of adhesive tapes of fixed internal fistula needle, including adhesive layer, still including partition layer, metal strip, outer protective layer;The adhesive layer, partition layer, metal strip, outer protective layer are sequentially bonded and connected from bottom to top;Two metal strips are set, two metal strips are collinear, and the distance between two metal strips, i.e. the length K of pipe wrapping area satisfies: πD / 2 The utility model can raise pipe by two metal strips, and the pipe can be accurately raised by the standard of pinching to skin below, so that the pipe is flush with internal fistula needle needle head, and the depth, direction of internal fistula needle is controlled.

The invention relates to the technical field of textile fiber processing, in particular to a finishing method for improving the fastness of a composite elastic fiber fabric. The finishing method comprises a shrinking process, a presetting process, a dyeing process and a reduction washing process which are performed in sequence, and the reduction washing process comprises acid reduction washing and alkaline reduction washing which are performed in sequence. According to the finishing method, the problems of size change, non-uniform dyeing and the like during fiber dyeing are solved through a shrinking process and a preset process. After dyeing, sequentially carrying out acid reduction washing and alkaline reduction washing so as to control the color depth and fastness of the dyed fiber.

The invention discloses a preparation method and a use method of a concrete surface retarder. The preparation method comprises the following steps: adding xanthan gum into water until the xanthan gum is completely dissolved, adding sodium-based zeolite and strong-acid cation exchange resin, and ultrasonically dispersing uniformly to form an emulsion A; adding hydroxypropyl carrageenan into solvent water, stirring until the hydroxypropyl carrageenan is completely dissolved, adding oxalic acid and dilute sulphuric acid, and uniformly stirring to form a solution B; the emulsion A and the solution B form the concrete surface retarder, and the emulsion A and the solution B are independently stored before use; when the concrete surface retarder is used, the emulsion A and the solution B are sprayed on the surface of concrete twice. By adopting the concrete surface retarder disclosed by the invention, surface retarding of concrete can be effectively realized, the surface retarding etching depth can be effectively controlled, a sagging phenomenon is avoided, a good application effect of the concrete surface retarder is realized, and adverse effects of the concrete surface retarder on a concrete interface are avoided.

The utility model discloses a kind of flexible processing platform suitable for different thickness paperboard, including paperboard processing platform, the paperboard processing platform is by belt conveyor and the base of supporting belt conveyor, vertical fixed rack is in the top middle position of paperboard processing platform, vertical electric telescopic rod is installed in the top middle part of the rack, the bottom fixed mounting of electric telescopic rod has paperboard indentation mechanism;The utility model is transported by belt conveyor on paperboard processing platform, rotates by motor on paperboard indentation mechanism driven transmission rod, and then drive transmission rod on pressure roller rotates to carry out indentation to paperboard, by moving pressure roller adjusting fork, pressure roller can be moved on transmission rod, so as to adjust the position of indentation according to actual production situation, after moving pressure roller adjusting fork, locking screw needs to be tightened, the position of pressure roller adjusting fork is fixed.

The utility model relates to the technical field of surgical instruments, in particular to a corrosion-resistant surgical instrument. According to the technical scheme, the corrosion-resistant surgical instrument comprises a sheath, a knife handle, a blade and an installation groove, a first reed is arranged in the sheath, second reeds are arranged on the two sides of the knife handle, the knife handle is installed in the sheath in a limited mode through cooperation of the second reeds and the first reed, the installation groove is formed in the knife handle, and the blade is arranged in the installation groove. A fixing buckle is arranged in the installation groove, and a blade is installed in the installation groove of the knife handle in a limited mode through the fixing buckle. The utility model provides a safer, more convenient and more reliable operation tool for medical personnel, and is beneficial to improving the success rate of an operation and the treatment effect of a patient.

The present application relates to the field of organic matter cracking, and discloses a method for cracking organic matter in a cracking furnace tube, which comprises the following steps: (1) feeding fluid into the cracking furnace tube; (2) causing short circuit of the cracking furnace tube to generate a short circuit current, so that the fluid is heated by the heat generated by the short circuit current and cracked; wherein the cracking furnace tube is conductive. The method uses the heat generated by the short circuit current to heat the fluid in the cracking furnace tube, and controls the temperature of the tube wall of the cracking furnace tube through voltage and current, so that the depth of the fluid cracking reaction can be controlled.

The present application relates to the field of organic matter cracking, and discloses a cracking furnace and an organic matter cracking method, the cracking furnace comprising: a furnace tube, the furnace tube comprising MoSi2; and an electrode connected to the outer wall of the furnace tube.The cracking furnace can generate a short-circuit current by using the electrode, so as to heat the fluid flowing into the furnace tube, and the depth of the fluid cracking reaction can be controlled by controlling the tube wall temperature of the cracking furnace tube by using the voltage and the current.

The invention discloses a self-leveling rotary cultivator, and belongs to the technical field of rotary cultivators, the self-leveling rotary cultivator comprises a rack, a suspension bracket and a horizontal sensor, the rack is provided with a gravity center adjusting mechanism, the gravity center adjusting mechanism comprises a sliding rod and a balancing weight, the balancing weight is connected with an oil pressure leveling mechanism through a support, and a pressurization ploughing mechanism is arranged in the rack. The pressurizing ploughing mechanism comprises two sleeves and threaded rods, a connecting sleeve is arranged at the lower end of each threaded rod, and the two connecting sleeves are jointly and rotationally connected with a rotary tillage cutter shaft. The angle and the depth of the rotary tillage cutter shaft are adjusted, so that the consistency of the tilling depth and the uniformity of the soil crushing degree are ensured, the later crop growth is facilitated, the phenomenon of unsmooth drainage of a field is avoided, the larger resistance borne by the unbalanced rotary tillage cutter shaft is reduced, the abrasion of the blade is reduced, and the service life is prolonged.

The invention provides a platinum-silver synergistic rare earth oxide hydrogenation catalyst, the catalyst is prepared by loading a rare earth oxide and a composite metal oxide on a carbon-based carrier, the composite metal oxide is obtained by roasting a platinum and silver loaded layered composite metal hydroxide, and the rare earth oxide is lanthanum oxide. The invention provides a platinum-silver synergistic rare earth oxide hydrogenation catalyst. The catalytic performance of the catalyst in cinnamyl aldehyde hydrogenation reaction is improved through carrier modification and interaction optimization between a carrier and metal.

The invention discloses a continuous rubbing device and method for automobile synthetic leather. The rubbing device sequentially comprises a pretreatment mechanism used for conducting humidity and preheating treatment on the synthetic leather and a rubbing mechanism used for conducting multiple times of rubbing on the synthetic leather. The graining mechanism comprises a box body, a roller rotationally connected to the interior of the box body, and a graining roller fixed to the middle of the roller; the effects of humidity treatment and preheating are completed in advance, synthetic leather is more easily shaped by mechanical force during grain rubbing, the matched grain rubbing inclination angles of the first conical head and the second conical head during grain rubbing can be changed through cooperation of the concentric jacking assembly, and the grain rubbing effect is improved through two times of grain rubbing treatment under different grain rubbing inclination angles. According to the method, on the basis that basic texture and softness are obtained after the first rubbing, the second rubbing is utilized to form a better layering sense, so that the texture is richer and more stereoscopic, and the depth of the texture is effectively controlled through the change of the inclination angle of the rubbing, so that the texture can adapt to different production conditions and material characteristics.