27results about How to "Smooth rolling" patented technology

The utility model relates to a ship life raft frame release mechanism, in particular to a ship life raft frame automatic release inclination mechanism which comprises two fixing plates symmetrically and fixedly arranged on a ship, a raft frame used for containing a life raft is rotationally arranged between the two fixing plates, and sliding blocks are symmetrically and fixedly arranged on the two sides of the raft frame. A first sliding groove and a second sliding groove are symmetrically formed in one side of the fixing plate in the reverse direction, the sliding blocks are installed in the first sliding groove and the second sliding groove in a sliding mode respectively, a boosting structure is fixedly arranged on the raft frame, and when the raft frame inclines, the boosting structure is used for pushing the life raft to roll off the raft frame; when the raft frame inclines, the sliding block slides to make the second metal sheet make contact with the first metal sheet, a circuit is connected, and the output shaft of the air cylinder stretches out to push the life raft. The spring ensures close contact of the metal sheet; the structure is automatically triggered, the action is rapid, enough thrust can be provided for the life raft, the life raft can smoothly roll down, and the life-saving efficiency and reliability are improved.

The utility model discloses a kind of even sand mixer with temperature control function for casting, it relates to foundry engineering technical field, including sand mixing box second valve and apron, the feed inlet top end of sand mixing box top end is rotatably connected with apron, the discharge outlet of sand mixing box top end is provided with second valve, mixed roller structure and roll structure are installed from top to bottom in sand mixing box, temperature control structure is installed in the left and right ends of sand mixing box outer side, the mixed roller structure is connected with first motor, the second motor output end is fixedly connected with pinion, small roll and big roll front side are fixedly connected with pinion and gear respectively, the gear is engagedly connected in gear ring. The even sand mixer with temperature control function for casting, through the synergic effect of sand mixing box, mixed roller structure and roll structure, so that mixed uniformity improves, by temperature control structure, it is convenient to control the temperature in sand mixing box.

The utility model relates to the related technical field of spiral welded pipe production auxiliary equipment, and one embodiment of the utility model provides a welding wire feeding frame for spiral welded pipe production, the welding wire feeding frame comprises a bottom plate and a bottom frame, the bottom frame is fixed on the surface of the bottom plate, a winding roller is arranged on the bottom frame, a clamping mounting assembly is arranged in the bottom frame, and vertical frames are fixed on the surface of the bottom plate; the tightening assembly is arranged on the vertical frame and comprises a pair of grooves, the grooves are formed in the two ends of the top of the bottom frame, a plurality of rolling wheels are rotationally connected into the grooves, and the winding roller is placed on the rolling wheels. By means of the technical scheme, the technical problems that in the prior art, a welding wire feeding frame is poor in flexibility, and the height of a winding roller cannot be adjusted are solved.

The utility model relates to the technical field of electronic tag storing and taking, in particular to a storing and taking device for electronic tags, which mainly aims at solving the problem that storing and taking drawers are drawn out for a long time, and adopts the technical scheme that the storing and taking device comprises a tag cylinder, a connecting straight rod is fixedly connected to one side of the tag cylinder, and a pulley is sleeved on the end face of the connecting straight rod; a sliding wheel is installed on one side of the label cylinder, a protruding block is movably connected to the outer side face of the sliding wheel in a clamped mode, a supporting arm is installed on the other side of the label cylinder in a matched mode, the supporting arm is provided with a storing and taking stabilizing assembly in a matched mode, and the storing and taking stabilizing assembly comprises a scissor inclined block. And finally, a supporting tension spring is arranged at the bottom of the deflection plate, so that the rotation amplitude of the deflection plate is elastically supported by the supporting tension spring, the label cylinder can be stable after the deflection plate rotates stably, and the electronic label in the label cylinder can be taken at any angle through cooperation of the parts.

The utility model discloses a winder structure, a charger and a mobile power supply. The winder structure comprises a shell, a winding part and a conductive part, a containing cavity with a shaft rod is formed in the shell. The winding part comprises a take-up reel, a linkage block, a volute spiral spring and a clamping assembly; the take-up reel is located in the containing cavity and rotationally connected with the shaft rod, and the linkage block is fixedly connected with the take-up reel and provided with a movable groove; the volute spiral spring is arranged in the movable groove, and two ends of the volute spiral spring are fixedly connected with the shaft rod and the linkage block respectively; the clamping assembly is located in the containing cavity so as to lock or loosen the linkage block. The conductive part comprises a PCB (Printed Circuit Board) and a conductive plate; one end of the PCB is arranged on the shell and is externally connected with a power supply, and the other end of the PCB is arranged in the accommodating cavity and is provided with an annular electrode channel; the current-conducting plate is fixedly connected with the wire coil and is provided with an electrode pin, and the electrode pin is in contact with the electrode channel and can move along the track of the electrode channel, so that the current-conducting plate is electrically connected with the PCB; one end of the data line is wound on the take-up reel and electrically connected with the conductive plate, and the other end of the data line penetrates to the outside; the winder structures are installed in the charger and the mobile power supply.

The utility model relates to ball screw technology field especially relates to a ball screw pair. Include: screw body, nut cover, a plurality of ball and connecting channel, the first helical groove of axial helix is equipped with in screw body outside wall, the nut cover is covered in screw body outside, its inboard wall is equipped with the second helical groove corresponding with the first helical groove, two halves form helical channel, the ball rolls in the channel, the connecting channel is located between the adjacent first helical groove to connect two, and there is a pair of convex parts extending to the channel oppositely in its slot mouth, the convex part all is equipped with the arc part of adapting with the ball, reduces the deviation when the ball enters and exits the connecting channel through the convex part, avoids the track separation, the arc part provides the smooth transition path to guide the ball, and also limits its lateral swing, prevents the transmission jam and noise, can also disperse the contact stress, reduces the friction wear, finally realizes the stable circulation transmission of ball, promotes the transmission stability and component service life of ball screw pair.

The application discloses a battery pole piece roll cutting white area stress compensation device, a use method and equipment, and belongs to the technical field of battery pole piece roll cutting white area stress compensation devices. The battery pole piece roll cutting white area stress compensation device comprises the following: a mounting seat arranged at a set position of a compression roller; an elastic compensation unit embedded in a recess on the inner side of the mounting seat; and an adjusting mechanism connected with the mounting seat and used for driving the mounting seat and the elastic compensation unit to compensate stress of a white area of a battery pole piece roll. The application realizes dynamic thickness matching of the white area and a material area of the battery pole piece, reduces stress concentration phenomena in the process of roll cutting of the battery pole piece, and has the characteristics of small wear, small error, uniform roll pressure and the like.

The utility model discloses a kind of for the rolling device of flexible graphite monopolar plate of battery production, it is related to battery production technical field.The utility model includes box, the box top is provided with horizontal plate, rotating butt joint mechanism is arranged between the horizontal plate and box, the horizontal plate top is fixedly connected with even rolling mechanism;The rotating butt joint mechanism includes first motor, the first motor is fixed in box inner chamber bottom side, the first motor output end is fixedly connected with first gear wheel.The utility model even rolling mechanism's innovative design, by multiple components collaborative work, effectively solve the uneven problem of traditional rolling device rolling, hydraulic telescopic link and spring, pre-pressing plate cooperation realizes pre-pressing positioning, electric telescopic link is combined with pressure sensor accurate control rolling pressure, transverse moving piece drives calender roller even rolling, ensure that flexible graphite monopolar plate each part can obtain even and accurate pressure, greatly improve the quality of polar plate.

The application discloses a method for rolling difficult-to-deform austenitic stainless steel by a double-furnace and -mandrel rolling mill, and relates to the technical field of iron and steel metallurgy. The method for rolling difficult-to-deform austenitic stainless steel by the double-furnace and -mandrel rolling mill optimizes the deformation distribution efficiency of the whole hot rolling process, reduces the temperature drop of the casting blank in the hot rolling process, and realizes balanced deformation in the whole process by reasonably distributing the deformation amount of the rough rolling area and the finishing rolling area. The strip steel passes through two rolling mills at the same time in single one-way rolling by adopting the double-furnace and -mandrel rolling mill, which is equivalent to completing two continuous deformations in a single pass, greatly improves the rolling efficiency, realizes rapid and stable rolling, and further reduces the deformation difficulty of the difficult-to-deform stainless steel. In addition, the on-line heating function of the hot coiling furnace makes the temperature of the edge of the strip steel stable in the appropriate hot working interval, optimizes the metal flow pattern, and reduces the risk of edge cracking from the root.

The utility model discloses an enhanced Raman spectrum active substrate reactor, and relates to the technical field of active substrate reactors. The enhanced Raman spectrum active substrate reactor comprises a base, a supporting column is arranged on the side face of the base, a spray head is arranged at the bottom of the supporting column, a movable plate is slidably connected into the base, a clamp unit is arranged on the movable plate, and a telescopic column is fixedly connected between the bottom of the movable plate and the base. According to the enhanced Raman spectrum active substrate reactor, the rolling unit is adopted to roll the surface of a sprayed active substrate, meanwhile, the clamp unit is arranged on the movable plate, the active substrate is conveniently limited, the telescopic column is arranged at the bottom of the movable plate, the height of the movable plate is conveniently adjusted, and the height difference between the movable plate and the base can be controlled; therefore, active substrates with different thicknesses can be adapted, and the active material on the surface of the active substrate can be uniformly rolled by utilizing the pressing wheel abutted against the base.

The utility model belongs to the field of pesticide spraying device, concretely is a kind of lotus root planting organic fertilizer pesticide spraying device, the bottom of spraying device is provided with locating plate, the upper portion of locating plate is inserted with antiskid rod, the bottom fixedly connected with locating plate has connecting column, the bottom fixedly connected with connecting column has bearing plate, when the spraying device of connecting column upper portion is moved by bearing plate, the pesticide spraying pipe of spraying device side portion can carry out pesticide application to lotus root pond, and the bottom of bearing plate is in contact with lotus root pond silt ground area, avoid spraying device in the process of moving to sink into silt ground, to reduce work intensity, while the end of bearing plate is provided with pry plate, so that in the process of bearing plate movement, when the protruding soil layer is encountered in moving path, it can also pass smoothly, the stop block can prevent steering rod from continuing to rotate when steering rod is in vertical state, so that the steering rod can be kept in place, and multiple antiskid rods can form a fence to avoid the spraying device from falling during movement.

The utility model relates to a hoist technical field, and disclose a hoist for full prefabricated box culvert electric hoisting, including: fixed base, set up the coiling position of fixed base bottom, set up the clamping position inside coiling position. Through in use, drive electric rotary column rotation to all turn out with connecting iron cable, because the multiple setting of coiling position, it is convenient to carry out multiple support point clamping to work piece, contrarily no longer use, drive electric rotary column rotation, coiling to connecting iron cable, and drive reciprocating electric telescopic column, make reciprocating electric telescopic column telescopic end's sliding frame along the track of guide frame sliding, when sliding frame touches one side pressure sensor, thereby control sliding frame changes sliding direction, to this reach the purpose of control sliding frame reciprocating sliding, thereby reach the purpose that prevents connecting iron cable winding to connecting iron cable even coiling.

This invention discloses a rebar straightening device, including a frame, a straightening mechanism mounted on the frame, and a shearing mechanism slidably mounted on the frame. It also includes a discharge mechanism located on the side of the shearing mechanism away from the straightening mechanism. The discharge mechanism includes a first mounting component, a stop component, a discharge component, a discharge drive assembly, and a sliding drive component for driving the stop component to slide. The first mounting component is connected to the shearing mechanism, and the sliding direction of the stop component is the same as the sliding direction of the shearing mechanism. The discharge component is rotatably connected to the bottom of the first mounting component. The discharge drive assembly is located on the first mounting component and connected to the discharge component to drive the discharge component to rotate up and down. In this invention, the discharge drive assembly drives the discharge component to rotate downwards, forming a ramp structure. The cut rebar falls onto the discharge component, while the stop component actively slides and separates from the end of the rebar, releasing the constraint along the length of the rebar. This allows the rebar to roll smoothly off the discharge component, resulting in smooth discharge, reduced accumulation, no need for manual cleaning, and greater convenience.

The utility model discloses a wire rod pointing machine, which relates to the technical field of pointing equipment and comprises a bottom plate, a plurality of mounting frames are fixedly connected to the outer wall of the top of the bottom plate, a fixing frame is fixedly connected to the outer wall of the mounting frame on the left side, and pointing mechanisms are arranged on the inner walls of the mounting frames. The pointing mechanism comprises a plurality of rollers, the outer walls of the rollers are rotationally connected with the inner wall of the mounting frame, the rollers and the connecting plates can drive the connecting plates to move in an arc shape when the fixing rods move, then the connecting plates drive the round rods to move, and the round rods can drive the mounting plates to move back and forth when moving. And then the mounting plate drives the sliding block to slide in the sliding rail, the mounting plate drives the sleeve to move when moving, and then the sleeve drives the sliding rod to move, so that the pointing quality is improved, the rolling process can be more uniform by moving the wire rod back and forth, different parts of the wire rod can be subjected to uniform rolling force, and the production efficiency is improved. And local excessive wear or insufficient wear is avoided.

The utility model provides a rolling type coating reinforcing steel bar production line, including reinforcing steel bar feed bin and rolling spraying equipment, the rolling spraying equipment includes frame, as well as spray gun group and rolling driving component that are provided on the frame, also includes the reinforcing steel bar one-by-one feeding device, the frame is erected with three-axis moving component, spray gun group is installed on three-axis moving component, the rolling driving component is installed on the three-axis moving component, the rolling driving component is installed on the three-axis moving component, and the rolling driving component is installed on the three-axis moving component. The one-by-one steel bar feeding device comprises a rotary feeding mechanism, the rotary feeding mechanism comprises a mounting frame, a rotating shaft is mounted on the mounting frame, the rotating shaft is in transmission connection with a driving mechanism, a plurality of rotating discs are mounted on the rotating shaft, a feeding groove is formed in the periphery of each rotating disc in the radial direction, and the feeding grooves are matched with steel bars needing to be fed in size. By means of the combined structure of the steel bar one-by-one feeding device and the three-axis moving assembly, automatic one-by-one feeding of steel bars can be achieved, a traditional manual feeding mode is replaced, the feeding efficiency is greatly improved, and the labor cost is reduced; meanwhile, the three-axis moving assembly drives the spray gun set to move in multiple directions, and the spraying requirements of steel bars of different sizes are met.

This application discloses a biomass pellet processing device, including a feeding cylinder with a feed inlet. The feeding cylinder is rotatably connected to a conveyor shaft, which has helical blades and a stepper motor for driving the conveyor shaft. On the side of the feeding cylinder opposite the feed inlet, multiple sets of pelleting holes are provided. Each set of pelleting holes includes multiple pelleting holes arranged downwards towards the bottom of the feeding cylinder. A powder-coating box covering the multiple pelleting holes is fixedly connected to the feeding cylinder. The powder-coating box is fixedly equipped with a cylinder and a pellet discharge pipe. The movable end of the cylinder is fixedly equipped with a sliding plate that cooperates with each of the multiple sets of pelleting holes. In this design, the surface of the biomass pellets is coated with powder during the rolling process, preventing the pellets from sticking together.

The utility model relates to the technical field of ring rolling machine, especially a double station ring rolling machine for rolling and expanding metal ring body, which comprises a rack, a sliding seat, a pushing oil cylinder, a rolling mechanism, a rotating motor for driving the rolling mechanism to rotate, a support roller body rotatably arranged on the rack below the rolling mechanism, the support roller body is used for supporting the ring body and realizing rolling and expansion in cooperation with the rolling mechanism, the rack is in an inclined state with an inclination angle of 5-30 degrees to realize independent support of the metal ring body by the support roller body, the support roller body comprises a first roller part close to the rack and a second roller part outside the first roller part, the diameter of the second roller part is smaller than that of the first roller part, and the rolling mechanism comprises a first rolling part matched with the first roller part and a second rolling part matched with the second roller part. The utility model solves the technical problem that the existing ring rolling machine cannot flexibly adapt to the rolling requirements of different parts of the metal ring body.

The invention discloses a robot walking on an arc-shaped anti-falling guide rail of a power transmission line, and belongs to the technical field of power transmission line maintenance equipment. The robot comprises a frame, a driving wheel assembly and a plurality of groups of driven wheel assemblies. The driving wheel assembly is provided with a driving wheel body with drum-shaped wheel teeth, the driving wheel body is connected with a power source through a flexible transmission shaft, and self-adaptive floating relative to the vertical direction of the frame is achieved through a floating bearing and a floating connecting mechanism. The driven wheel assemblies are symmetrically distributed on the two sides of the anti-falling guide rail, each driven wheel assembly comprises a driven wheel body and a transverse self-adaption mechanism, and the driven wheel bodies elastically press the side face of the anti-falling guide rail. The technical problems that due to the fact that the robot is difficult to adapt to a single continuous composite arc-shaped bent anti-falling guide rail, meshing is poor, abnormal abrasion is caused, clamping stagnation is likely to happen, and the derailing risk is large are effectively solved, and the trafficability, operation stability and operation safety of the robot on a complex space path are remarkably improved.

The utility model provides a kind of ultrasonic cleaning device, including frame and first motor, the frame is provided with ultrasonic cleaning tank, the ultrasonic cleaning tank is provided with cylinder and rolls, the output shaft of the first motor is keyed with the drive gear of drive the cylinder, the ultrasonic cleaning tank is provided with the mesh belt conveyor belt by second motor drive and extends the ultrasonic cleaning tank, the ultrasonic cleaning tank is provided with the spray pipe that is vertically arranged and sprays the mesh belt conveyor belt.The utility model has the advantages that: the cylinder of rolling makes pole continuously rolls, and pole is conveyed from ultrasonic cleaning tank by mesh belt conveyor belt, and cleaning effect is improved.

This invention discloses a movable straightening device, including a placement platform, a mounting frame on the placement platform, a fixed frame on the mounting frame, and a motor mounted on the fixed frame. The fixed frame contains a first internal gear ring, and a second rotating rod is fixedly connected to the motor. A first actuating plate is on the second rotating rod. A moving mechanism and a driving heat dissipation mechanism are located at the bottom of the placement platform, and a braking mechanism is connected to the driving heat dissipation mechanism. A marking mechanism is provided on the mounting frame. When the motor rotates in the reverse direction, water from the first water tank enters the fixed pipe, causing the friction block to press down on the moving wheel, thus acting as a brake. Simultaneously, water also enters the hollow disc, causing the fan blades to rotate and accelerating airflow at the moving wheel, achieving a heat dissipation effect. Due to the heat dissipation holes on the friction block, air can pass through more effectively, and the heat generated by braking can be carried away more efficiently by changing the airflow speed.

The utility model relates to the technical field of crushers, and discloses a lithium battery material crusher which comprises a shell, the top of the shell is fixedly connected with a first connecting block, an opening and closing assembly is arranged on the inner side of the first connecting block, a grinding and crushing assembly is arranged on the inner side of the shell, and a screening assembly is arranged on the inner side of the shell. A shell is fixedly connected to the outer side of the bottom of the shell, and a front-back moving assembly is arranged on the inner side of the shell. The grinding and smashing assembly comprises two grinding wheels, and the inner sides of the two grinding wheels are rotationally connected to the inner side of the shell. According to the utility model, under the condition that the driving motor II drives one rolling wheel to rotate, the synchronous reverse rotation of the two rolling wheels is realized through the meshing of the gear II. The transmission mode is stable and reliable, it can be ensured that the two grinding wheels grind the lithium battery materials at the uniform speed and strength, the materials are evenly stressed, and the smashing consistency and quality are improved.

This application relates to the field of vehicle technology and discloses a seat belt retractor and a vehicle, comprising: a retractor frame, the retractor frame having a mounting hole on one side along a first direction; a reel, a portion of which is rotatably disposed within the retractor frame for winding the seat belt, the reel extending along the first direction and passing through the mounting hole, the outer peripheral wall of the reel being spaced apart from the wall of the mounting hole; and a cover plate covering the mounting hole for shielding the mounting hole, the end of the cover plate facing the inner side of the retractor frame having a protrusion disposed between the reel and the wall of the mounting hole, the protrusion being spaced apart from the reel. The seat belt retractor provided by this application allows the protrusion to fill the gap between the reel and the wall of the mounting hole, thereby preventing the seat belt from getting stuck in the gap between the reel and the wall of the mounting hole, ensuring smooth seat belt retraction.

The utility model relates to the field of variety steel rolling technology, especially a variety steel continuous rolling tension control device, including frame, both sides of frame all are installed with support frame, two guide rails are installed in the top of both sides of frame inner wall. The utility model has the advantages of setting up frame, four guide rails, four sliding blocks, first roller and second roller, two first hydraulic cylinders and two second hydraulic cylinders elongation action, promote the first roller and second roller of upper side to move to below, four laser range finders carry out the measurement to four sliding blocks's height position simultaneously, carry out the processing to the data correlation through control panel, are used for controlling two first hydraulic cylinders and two second hydraulic cylinders to elongate or shorten, promote adjacent two first rollers and adjacent two second rollers keep relative level, avoid appearing one side high one side low's phenomenon, realize the purpose of even rolling to variety steel, avoid appearing the phenomenon that variety steel is not even rolled.

The utility model relates to the field of deep groove ball bearing, concretely to a deep groove ball bearing structure of preventing deviation, including bearing outer ring and bearing inner race, is provided with the installation space between bearing outer ring and bearing inner race, is provided with the ball and retainer body in the installation space and is arranged in a circle, the retainer body includes two spliced frames and connecting mechanism, is fixedly connected with support rod on spliced frame, is set up support groove on the outer wall of bearing inner race, through the retainer body structure formed by spliced frame, support rod and connecting mechanism, the ball is limited in two directions in combination with the adaptation groove on bearing inner and outer rings, significantly reduced the deviation risk of ball in high -speed operation, and the support rod is inserted into the support groove of not pass through groove and utilizes the design of increasing contact area of inclined slot, guarantees the support strength and reduces the friction resistance, makes the ball can along the predetermined track steady rolling, avoids the local wear or jamming phenomenon caused by deviation, thereby prolongs the overall service life of bearing.

The utility model relates to the related technical field of welding quality detection, and one embodiment of the utility model provides a welding quality detection device of a pipe welder, which comprises a bottom frame and a platform, the platform is fixed on the bottom frame, detection display equipment is arranged at the bottom and the outer side of the platform, a detection head is arranged on the platform, a rolling detection assembly is arranged on the platform, and the rolling detection assembly is arranged on the platform. The support moving assembly is arranged on the platform, the rolling detection assembly comprises a support, the support is fixed on the surface of the platform, the bottom of the platform is provided with a first cylinder, the output end of the first cylinder is connected with a side frame, the top of the support is provided with a groove, the detection head is installed in the groove, and the side end face of the side frame is rotatably connected with a driving wheel. By means of the technical scheme, the technical problems that in the prior art, it is difficult for detection personnel to guarantee that the whole welding opening can be accurately covered by the moving path each time, omission is prone to occurring, and consequently part of positions cannot be detected are solved.

The utility model provides asphalt pavement construction process compaction degree real -time monitoring device belongs to monitoring device technical field, the utility model discloses a case, its one side is provided with a pair of holder, roller body is connected in the holder in -side rotation, and the outside is provided with a plurality of recess, cleaning frame is set up in recess, and a plurality of through -holes are seted up on it, compaction sensor, one end is connected in the through -hole sliding, and the other end is used for real -time monitoring road surface condition, cleaning mechanism, set up in the case one side, be used for adjusting the adjusting mechanism of holder position to carry out the preliminary cleaning of compaction sensor surface and be used for the depth cleaning mechanism of carrying out the depth cleaning of compaction sensor surface. The utility model carries out the preliminary and depth cleaning to compaction sensor surface through cleaning mechanism, can effectively realize the cleaning function of compaction sensor, improve the detection accuracy of compaction sensor, has higher practical value.

The invention belongs to the technical field of precision printing, and relates to a full-opening steel plate with a coating and a preparation method and application thereof.The full-opening steel plate comprises a full-opening steel plate base body, the front face, the back face and the inner wall of an opening of the full-opening steel plate base body are each provided with a hydrophobic and oleophobic coating, or hydrophobic and oleophobic coatings are arranged on the inner wall of the opening of the full-opening steel plate base body. Hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of an opening of the full-opening steel plate base body, and a friction increasing coating is arranged on the back face of the full-opening steel plate base body, or the hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of the opening of the full-opening steel plate base body, and no coating is arranged on the back face of the full-opening steel plate base body. The hydrophobic and oleophobic coatings are arranged on the front face and the inner wall of the opening of the full-opening steel plate base body, and the hydrophobic and oleophobic coating and the friction increasing coating are selectively arranged on the back face of the full-opening steel plate base body or not arranged, so that the combination of the hydrophobic and oleophobic function and the friction increasing function can be achieved; the defects that when an existing steel plate is used, slurry is not thoroughly separated, the shaping effect is poor, and ink feeding is not full are overcome, the binding force of the coating and the steel plate base body is high, and the service life of the steel plate is long.