9788results about How to "Avoid sticking" patented technology

The invention discloses a buffer type nuclear power stop valve suitable for a high-pressure environment, and relates to the technical field of nuclear power stop valves, the side face of a valve body is fixedly connected with a connecting component, and one end of the valve body is fixedly connected with a cleaning component. By means of the structure, the screen plate filters impurities in fluid, the impurities mixed with the fluid are prevented from entering the valve body and scratching the side face of the valve body, meanwhile, the fluid impacts and enters the valve body through the screen plate, the fluid impacts the screen plate, and therefore the fluid is prevented from entering the valve body. The mesh plate drives the ejection mechanism to be far away from the mesh plate through the telescopic rod, meanwhile, through impact force of fluid to the mesh plate, part of impact force is absorbed, impact of the fluid to the valve clack during opening is relieved, and an effective buffering effect can be provided in a high-pressure environment.

The utility model discloses a feeding device capable of feeding continuously, which belongs to the technical field of feeding and charging and comprises a feeding hopper, a feeding pipe is mounted on the lower surface of the feeding hopper in a penetrating manner, a plurality of mounting plates are welded on the outer surface of the feeding hopper, mounting bolts are mounted on the mounting plates in a threaded manner, a fixing plate is fixedly mounted on the surface of the feeding hopper, and the fixing plate is fixedly mounted on the lower surface of the feeding hopper. A motor is fixedly mounted on the side surface of the fixed plate; a motor is arranged to be matched with a cam and a disc for use, the disc is matched with a rotating roller and a sliding frame which are eccentrically arranged for use, a sliding rod drives a dredging block to move up and down for dredging, materials can be rapidly input into the injection molding machine through a feeding pipe, and a first sliding plate is driven to drive a blocking plate to move in cooperation with rotation of the cam; the front blocking plate and the rear blocking plate move in a staggered mode, alternate and continuous falling of materials is achieved, the discharging effect of the materials is effectively improved, and the phenomenon that when the materials are added from one direction at a time, accumulation and blocking are prone to occurring is avoided.

The invention relates to the technical field of anchor plate drilling, and discloses a wind power generation anchor plate drilling device which comprises a machine tool body, a drill bit and a storage box, and a fixing mechanism is arranged on the inner wall of the bottom of the machine tool body. During use, firstly, an anchor plate is fixed through the fixing mechanism, after drilling operation is finished, drill bits are stored in the storage box, the drill bits with different diameters are matched through the extrusion assembly, and a rotating ring and a square block are driven to achieve the horizontal movement function; chippings on the surface of the drill bit can be cleaned through the cleaning assembly, so that the cleaning effect is achieved, when the square block and the rotating ring horizontally move towards the outside of the square groove, lubricating oil can be smeared on the surface of the drill bit through the smearing assembly, and the lubricating and maintaining effects are achieved. By means of the arrangement, the drill bit can be conveniently cleaned, maintained and repaired, overall operation is convenient and fast, and the using effect is good.

The invention discloses a workpiece table of a proximity contact type exposure machine. A horizontal driving device has a degree of freedom of movement along an X-axis direction and a Y-axis direction; the rotating table has the freedom degree of rotating around the central axis of the rotating table. The lifting table is arranged above the rotating table and has the degree of freedom of moving in the Z-axis direction; the Z-axis voice coil motor is arranged between the rotating table and the lifting table and used for driving the lifting table to move in the Z-axis direction. The ball bowl leveling assembly is arranged between the wafer carrying table and the lifting table and comprises a ball bowl seat with a bowl-shaped cavity and a ball head matched with the bowl-shaped cavity; a concave cavity is formed in the bottom of the bowl-shaped cavity; the spherical surface of the ball head is in sliding sealing fit with the spherical inner wall surface of the bowl-shaped cavity and seals the concave cavity; the mask frame is arranged above the wafer carrying table. According to the invention, the relative position and posture between the mask plate and the wafer can be adjusted, the accurate control of the leveling process is realized, the high-precision movement of four degrees of freedom of X / Y / Z / RZ is effectively realized, the accurate control of the leveling contact force is realized, and the practicability is high.

The invention discloses an online water pollution monitoring device with a self-cleaning function, and belongs to the technical field of water environment monitoring equipment, the online water pollution monitoring device comprises a floating platform, a plurality of floating bodies are connected to the peripheral side of the bottom of the floating platform in a surrounding manner, an equipment box is mounted at the bottom of the floating platform, a protective mesh enclosure is connected to the bottom of the equipment box, and a water suction pump is mounted in the equipment box. According to the device, water bodies with corresponding depths are extracted through liquid inlet nozzles with different depths, the water bodies are fed into a detection box, the water body environment is monitored through a detection probe, after the probe is used, distilled water obtained through condensation of a condensation box can be extracted through a water suction pump, and after the distilled water is fed into an inner flushing mechanism, liquid spraying flushing can be conducted on the multiple detection probes; algae in water are prevented from adhering to the surface of the probe through flushing of distilled water, the detection precision is improved, meanwhile, the scraping and sweeping mechanism moves to scrape the algae adhering to the outer side of the protective net cover, and water pumping is prevented from being affected.

The invention discloses a food conveying device with an anti-falling mechanism for food processing, and relates to the technical field of food processing.The food conveying device with the anti-falling mechanism for food processing comprises a mounting frame, a conveying assembly is arranged on the mounting frame and comprises a driving motor and a conveying belt, and the conveying belt is rotationally mounted on the inner side of the mounting frame; the driving motor fixedly penetrates the side wall, away from the conveying belt, of the mounting frame. The output end of the driving motor is fixedly connected with a driving shaft of the conveying belt. According to the food conveying device with the anti-falling mechanism for food processing, multiple sets of partition plates arranged at equal intervals are arranged on the conveying belt, dough can be separated to be conveyed, material collision is prevented, when the dough is conveyed to the end of the conveying assembly, a push block rotates, the push block applies extrusion force to the dough, the dough is extruded and pushed, and the dough is conveyed to the end of the conveying assembly. The dough can be pushed away from the conveying belt, and the situation that the dough adheres to the conveying belt and is inconvenient to fall off is prevented.

The invention discloses an epoxy group modified zwitterionic polymer / heparin composite coating and a preparation method thereof. The preparation method comprises the following steps: firstly, constructing an amino-containing adhesion layer on the surface of a substrate by adopting a dip-coating method; then, the substrate is soaked in a mixed solution of the zwitterionic polymer and the heparin, and grafting of the zwitterionic polymer and the heparin on the surface of the medical material is completed through incubation. The coating provided by the invention has excellent hydrophilicity, can form a hydration layer, provides a physical barrier, and remarkably prevents adhesion and colonization of microorganisms. The inhibition rate of the coating on escherichia coli and staphylococcus aureus exceeds 99%, protein adhesion is remarkably reduced in an anti-protein adhesion experiment, and the coating is simple in strategy design, has a potential application prospect in the aspect of preventing blood contact catheter related infection and thrombosis, and has a wide application prospect. The complication occurrence rate and the medical care cost can be reduced.

The invention discloses a sheet metal laser cutting device, relates to the field of sheet metal cutting, and solves the problem that the supporting tooth plate of the existing laser cutting device is prone to excessive accumulation of residues. The device comprises: a device housing and a top frame fixedly installed on the top of the device housing, a driving frame fixedly installed on the inner side of the top frame, a laser cutter fixedly installed on the output end of the driving frame, two symmetrically distributed conveyor belts installed on the inner side of the device housing, and a plurality of equidistantly distributed supporting tooth plates installed between the two conveyor belts; the device also comprises: a slag cleaning mechanism, which is used for cleaning the residues remaining on the supporting tooth plate, and the slag cleaning mechanism is installed on the inner side of the device housing; the invention scrapes and cleans the residues stuck on the inner side of the supporting tooth plate through the slag cleaning mechanism, prevents the residues on the inner side of the supporting tooth plate from accumulating, ensures the stable conveyance of the sheet metal by the supporting tooth plate, and thus achieves the effect of timely cleaning.

The invention discloses a punch forming device for producing an automobile engine oil pan, and relates to the technical field of punch forming, and the punch forming device comprises a composite mechanism. According to the punch forming device for production of the automobile engine oil pan, through the design of the composite mechanism, materials are placed in the processing mechanism and conveyed to the composite base through the processing mechanism, then a movable cross beam is controlled through a hydraulic column to enable a pressing module to extrude a bearing module, and therefore the punch forming effect is achieved; the effect of manually laying materials is reduced, potential safety hazards of operators are reduced, the operation environment is optimized, after long-time operation of the bearing module, parts can be seriously abraded, and therefore the stamping precision of follow-up materials is affected, the bearing module can be replaced, and in the process that the pressing module extrudes the materials towards the bearing module, the pressing module can be replaced, and the pressing module can be replaced. And the magazine mechanism contracts to store force, so that after stamping is finished, ejection is performed through the magazine mechanism, the effect of preventing material adhesion is achieved, and the subsequent operation efficiency is prevented from being influenced.

The invention relates to the technical field of target material smashing, and discloses a metal target material recycling and smashing device and a method thereof.The metal target material recycling and smashing device comprises a coarse smashing mechanism used for conducting coarse smashing on a target material, the coarse smashing mechanism comprises a smashing box and two smashing rollers, and a supporting frame is fixedly installed at the bottom of the smashing box; the fine crushing mechanism is used for performing fine crushing on the target material, and the fine crushing mechanism comprises a crushing cylinder, a rotating shaft and a plurality of crushing cutters; the driving mechanism is used for driving the rotating shaft to rotate and the crushing cylinder to move up and down; and the force transmission mechanism is used for driving the driven chain wheel to rotate, and the force transmission mechanism comprises a rotating drum, a rotating frame, a linkage frame and a transmission shaft. According to the present invention, the design is reasonable, the coarse crushing mechanism, the fine crushing mechanism, the driving mechanism and the force transmission mechanism are matched so as to automatically adjust the crushing speed according to the crushing resistance, such that the crushing effect is ensured, and the crushing can be timely stopped so as to avoid the accident when the resistance is too large or the temperature is too high.

The invention relates to the field of energy storage systems, in particular to an energy storage system with a switchable battery PACK. The technical problems that according to an energy storage system in the prior art, the number of PACKs in a battery cabinet is basically fixed and cannot be switched, the same PCS can only conduct charging and discharging circulation on a small number of PACKs, the utilization rate of the PCS is low, when a certain PACK is in an undervoltage or overvoltage state, use of other PACKs can be affected, and therefore the service life of the whole battery cabinet is affected are solved. According to the technical scheme, the battery PACK switchable energy storage system comprises an energy storage module, a battery management module, a PACK management module, an energy monitoring module, an energy management module and a cloud platform; according to the intelligent control system capable of freely switching the battery PACKs, more PACKs are accommodated in the battery cabinet, and a fixed number of PACKs are selected to be put into the charge-discharge cycle of the energy storage system according to a PACK scheduling algorithm, so that the use number of PCSs is reduced, the utilization rate of the PCSs is improved, and the cost of the whole energy storage system is greatly reduced.

The invention discloses a waste incineration fly ash recycling water circulating water treatment device and method, the device comprises two racks arranged front and back, a blocking block is fixed to the left end between the two racks, an extrusion block is slidably connected to the right end between the two racks, and a plurality of filter pressing assemblies slidably connected with the racks are arranged between the blocking block and the extrusion block; knocking assemblies are arranged at the front end and the rear end of the filter pressing assembly, winding assemblies are arranged below the knocking assemblies, two bilaterally symmetrical discharging assemblies are arranged at the lower end of the filter pressing assembly, a fixing plate fixedly connected with the rack is arranged at the right end of an extrusion block, a reciprocating assembly is arranged at the right end of the fixing plate, and a hydraulic cylinder and a servo motor are fixed to the left end of the fixing plate; the servo motor is in transmission connection with the winding shaft and the reciprocating shaft, the filter pressing assembly comprises an extrusion part, a cleaning part and a filtering part, and discharging is conducted through the discharging assembly, so that two different materials obtained after filter pressing are separated and discharged, and the two different materials are prevented from being mixed together.

The invention discloses a thiazolinone acrylic acid silane ester self-polishing antifouling resin and a preparation method and application of the thiazolinone acrylic acid silane ester self-polishing antifouling resin. The preparation method of the thiazolinone acrylic acid silane ester self-polishing antifouling resin mainly comprises the following steps: in a nitrogen environment, adding an initiator, the preparation method comprises the following steps: carrying out random free radical polymerization reaction on thiazolinone methacrylate, methyl methacrylate, ethyl acrylate, triisopropyl silicon-based methacrylate and phenyl dimethyl silicon-based methacrylate by taking azodiisobutyronitrile and benzoyl peroxide as initiators to synthesize the photoinitiator. Wherein the thiazolinone methacrylate monomer is prepared by grafting double bonds on 5-chloro-2-benzothiazolinone and methacryloyl chloride through a substitution reaction, then grafting hydroxyl on the 5-chloro-2-benzothiazolinone and mercaptoethanol through a mercapto-alkene click reaction and finally carrying out a substitution reaction on the 5-chloro-2-benzothiazolinone and methacryloyl chloride. According to the invention, the coating still has good surface self-renewal capability even in a static environment so as to inhibit the adhesion of large fouling organisms.

The invention discloses a vegetable waste pulverizer, and relates to the technical field of pulverizers. The vegetable waste pulverizer comprises a movable base and further comprises a pre-pulverizing box, the pre-pulverizing box is fixed to the top of the movable base through an L-shaped support, and a discharging opening is formed in the bottom of the pre-pulverizing box. According to the vegetable waste pulverizer, before pulverizing, vegetable waste can be subjected to pre-pulverizing and intermittent feeding, and accumulation is avoided; during crushing, air can be blown to a blade, vegetable waste close to the side wall of a first rotating pipe can be blown away, vegetable waste attached to the surface of the blade can be blown away, meanwhile, the blade can move up and down and can abut against and rub the bottom of the crushing box, adhesion can be avoided, and the crushing efficiency is improved. Therefore, the crushing efficiency and effect can be improved; and after crushing is completed, the interior of the crushing box and the surfaces of the blades can be washed, adhesion is avoided, and the discharging effect and the subsequent crushing efficiency and effect are guaranteed.

The invention discloses a cutting device and method for a hot-melt woven sleeve. The device comprises a rack, and a first guide adjusting mechanism, a second guide adjusting mechanism, a pressing mechanism, a laser cutting mechanism and a distributing mechanism which are positioned on the rack, a roller conveying mechanism for conveying the hot-melt woven sleeve is arranged between the first guide adjusting mechanism and the second guide adjusting mechanism; the pressing mechanism is used for pressing the local section of the hot-melt woven sleeve conveyed from the roller conveying mechanism; the laser cutting mechanism is arranged above the material pressing mechanism and the material distributing mechanism and is used for cutting the hot-melt woven sleeve close to the flat part; and the material separating mechanism is used for separating the cut hot-melt woven sleeves. Local sections of the hot-melt woven sleeve are pressed to be flat through the material pressing mechanism, the hot-melt woven sleeve is prevented from moving during laser cutting, finally, the adhesion phenomenon after cutting is eradicated through material distribution of the material distribution mechanism, and the product quality is guaranteed.

The invention discloses self-adaptive Janus supramolecular hydrogel, a preparation method and application of the self-adaptive Janus supramolecular hydrogel as a wet tissue surface adhesive. The hydrogel has an integrated structure and two asymmetric surfaces: an adhesion surface and an anti-adhesion surface. The method is suitable for the wet tissue surface bonding field.

The invention discloses an automatic filter screen replacing device for a film blowing machine, and belongs to the technical field of film blowing machines, the automatic filter screen replacing device comprises a base, an extruder is arranged on one side of the top of the base, the output end of the extruder is communicated with a connecting pipe, the other end of the connecting pipe is communicated with a fixing box, and a preheating assembly is arranged on one side of the exterior of the fixing box; a blocking frame, a filter screen and a press-fit assembly are arranged in the fixing box, and a discharging assembly is arranged on the bottom side of the outer portion of the fixing box. According to the device, through the multi-station design, automatic replacement and automatic discharging of a filter screen can be achieved, the influence of external factors on a conveying pipeline of the device is reduced in the replacement process so that the machining quality of products can be guaranteed, meanwhile, the inner wall of a sealing disc is further cleaned in the discharging process, and the sealing disc is prevented from being damaged. And impurities are prevented from adhering to the interior of the sealing disc and enter one side of the blocking frame in the feeding process of the filter screen, so that the influence on the production quality of products is prevented, and the replacement effect of the device is further improved.

The grouting device for hydraulic engineering construction relates to the technical field of hydraulic engineering grouting and comprises a base, a stirring mechanism is arranged in the middle of the top of the base, a slurry pumping mechanism is arranged at one end of the top of the base, a push rod is arranged at the other end of the top of the base, and a switch panel is detachably connected to the middle of the top of the push rod. By arranging the stirring blades, slurry in the stirring tank can be stirred by utilizing the stirring blades, the purpose of cleaning the inner wall of the stirring tank can be achieved by arranging the spiral scraping plate and the conical vortex plate, and by arranging the air pump, air in the stirring tank can be pumped out, so that negative pressure is formed in the stirring tank; and after an electric control valve is adjusted, pumped air can enter the stirring tank from an air return pipe and is sprayed out from a spray head by utilizing high-speed airflow, the slurry on the surfaces of the stirring blades is further cleaned, and the purpose of preventing the slurry from being adhered to the interior of the device is achieved.

The invention discloses copper-containing waste liquid treatment equipment and a copper-containing waste liquid treatment method, relates to the technical field of waste liquid treatment, and solves the problems that when a stirring roller rotates to stir and precipitate waste liquid, vortex is generally only formed in the center of the equipment, the stirring and mixing effect of the waste liquid and a precipitant is poor, long time is needed for stirring and precipitating operation, and the cost is low. The waste liquid treatment efficiency is low. The copper-containing waste liquid treatment equipment comprises a waste liquid reaction kettle, supporting columns, pretreatment boxes, an integrated stirring and cleaning mechanism and a precipitation screening assembly, the multiple sets of supporting columns are installed at the bottom of the waste liquid reaction kettle, and the pretreatment boxes are installed and positioned on the two sides of the top of the waste liquid reaction kettle through supporting bases. According to the invention, a plurality of vortexes capable of moving can be generated, so that the efficiency of stirring and precipitating the waste liquid and the precipitant is improved. Meanwhile, when the waste liquid and the precipitant are stirred and precipitated, the precipitant can be subjected to stirring pretreatment at the same time, the saturation degree of the precipitant is reduced, and the phenomenon that the local concentration of the precipitant is too high is effectively avoided.

The utility model relates to an automatic sorting device for lens disassembly, which relates to the technical field of lens disassembly and comprises a storage bin used for storing lenses to be disassembled and a feeding and discharging Y shaft arranged on one side of the storage bin and used for moving the lenses in a tray out to a working area. The jacking and clamping double-station assembly comprises a clamping head for clamping a to-be-disassembled lens, a lead screw motor for ejecting out to-be-sorted components in the lens in the direction below the clamping head, a component pre-pressing plate piece for pre-pressing the products to prevent the products from scattering and inclining, and a pre-pressing mechanism switching shaft for adjusting the position of a pre-pressing mechanism. An inverted U-shaped support plate is arranged on the top surface of the free end of the component pre-pressing plate piece, the inner wall of the U-shaped support plate is connected with a vacuum chuck tailstock through a lifting component, the bottom surface of the vacuum chuck tailstock is connected with a vacuum chuck piece through a pipeline longitudinally penetrating through the component pre-pressing plate piece, and the vacuum chuck piece adsorbs a component in a lens in a product.

The invention provides laser cutting feeding equipment, and relates to the technical field of laser cutting equipment, the laser cutting feeding equipment comprises a feeding connecting piece, and the feeding connecting piece is provided with a row of lifting supporting pieces; two magnetic control pieces are respectively mounted at the bottoms of the row of lifting support pieces; the two rows of magnetic control pieces are respectively arranged on the feeding connecting piece; the row of lifting supporting pieces are used for supporting to-be-machined plates correspondingly. A path control piece is mounted on the feeding connecting piece; the path control piece is used for controlling the row of lifting supporting pieces to descend to prevent shielding, can support a to-be-machined plate in a rolling mode, prevents abrasion, can automatically descend, prevents adhesion of cutting melt and avoids deformation caused by laser heating, and solves the problems that a feeding sawtooth plate in existing laser cutting feeding equipment is prone to scratching the plate, and the production efficiency is high. And a large number of impurities are easily adhered to the sawtooth plate, so that the sawtooth plate is inconvenient to automatically return to a cutting position according to a cutting path.

The present invention relates to the field of tire processing technology, in particular to an environmentally friendly processing device for recycling and utilizing waste tire rubber, comprising a crushing box, a first material guide block is provided at the lower left end of the crushing box, a first belt conveyor is provided on the first material guide block, a crushing assembly is provided inside the crushing box, a screening box is provided at the left end of the first belt conveyor, a disc screen assembly is provided inside the screening box, two support blocks are fixedly provided on the outer wall of the screening box in a symmetrical structure, a reflux block is installed at the lower end of the screening box, the reflux block is in an inclined structure, the lower right end of the reflux block is connected to the upper end of the crushing box, a second material guide block is provided at the lower end of the screening box, and a steel wire processing box is provided at one end of the second material guide block. It is convenient to crush and separate steel wire and rubber in waste tires, ensure the efficient separation of steel wire and rubber, improve the processing efficiency and crushing effect of waste rubber tires, improve the quality of recycled rubber, and provide strong technical support for the recycling and utilization of waste tires.

The invention relates to the technical field of clothes treatment equipment, particularly provides a drying system, clothes treatment equipment and a control method, and aims to solve the problem that a filter screen of a drying system of existing clothes treatment equipment needs to be frequently cleaned by a user, and the use experience of the user is seriously influenced. In order to achieve the purpose, the drying system comprises an air duct and a filter screen arranged in the air duct, and further comprises an electric scraping plate arranged on the upstream of the filter screen and used for scraping soft flocks on the filter screen; and the spraying device is arranged in the air duct and is used for washing the soft flocks. According to the filter screen cleaning device, soft flocks on the filter screen are scraped and gathered through the electric scraping plate, then the soft flocks gathered through the electric scraping plate are flushed out through the spraying device, the soft flocks on the filter screen are cleaned, a user can complete cleaning of the filter screen without disassembling the filter screen, automatic cleaning of the filter screen is achieved, and the use experience of the user is improved.

The invention relates to the technical field of miniature circuit breakers, and discloses an anti-interference miniature circuit breaker and a use method.The anti-interference miniature circuit breaker comprises a working shell, one side of the inner wall of the working shell is fixedly connected with a fixing frame, the top of the inner wall of the working shell is fixedly connected with a telescopic rod, and the output end of the telescopic rod is fixedly connected with a lifting frame; five irregular holes are formed in one side of the lifting frame, the loading heat dissipation mechanism comprises a cross rod fixedly connected to the side wall of the inner wall of the working shell, a sliding frame is slidably connected to the inner wall of the fixing frame, the bottom end of the sliding frame penetrates through the fixing frame and extends to the outer portion of the fixing frame, and a worker pulls a square plate to make the square plate move downwards; the square plate drives the sliding frame to move downwards, then a plurality of circuit breakers are placed on the inner wall of the fixing frame, the square plate is loosened, the first spring drives the sliding frame to move upwards due to elastic deformation of the first spring, the circuit breakers are extruded in the upward moving process of the sliding frame, and the circuit breakers can be rapidly installed on the inner wall of the fixing frame.

The invention discloses a safety protective fence for overhaul and maintenance of a transformer substation, and belongs to the field of clamps. A suction cup clamp structure for a solar silicon wafer detection robot comprises a mounting cylinder, the bottom of the mounting cylinder is fixedly connected with a conical disc, one side face of the mounting cylinder is provided with an extraction opening, a connecting cylinder is arranged in the mounting cylinder, and two gas storage structures are arranged in the connecting cylinder; two sealing rings; through the arrangement of the connecting cylinder, on one hand, a part of air can be conveyed to the sealing ring to fill and expand the sealing ring, the sealing ring is prevented from being greatly deformed after being used for a long time, so that the adsorption and taking stability of the clamp is improved, the fault phenomenon is reduced, and meanwhile, when a workpiece is taken next time, the work efficiency is improved. The other part of airflow extracted in the connecting cylinder in advance can be conveyed out to blow and clean the bottom surface of the sealing ring, the trouble of manual maintenance is omitted, operation is convenient and fast, and the sealing performance is good.

The invention relates to the technical field of plastic recycling, and discloses a fragment screening mechanism for plastic particle production, the fragment screening mechanism for plastic particle production comprises a rack and a screening hopper, a coarse screening plate is fixedly installed on the inner wall of the screening hopper, and according to the fragment screening mechanism for plastic particle production, a motor is started to drive a rotating shaft to rotate; meanwhile, plastic particles in the screening hopper can be scattered through cooperation of a wheel disc, a cam groove, a ball head rod, a push plate, a sliding rod, a spiral groove and a stirring shaft, meanwhile, the plastic particles in the hopper can be turned up and down in a reciprocating mode through cooperation of a connecting rod, a sliding table and the stirring shaft, the scattering effect on the plastic particles is further improved, and adhesion of the plastic particles is avoided; accordingly, the plastic particles can be prevented from blocking the coarse screening plate, the screening effect and efficiency of the plastic particles are improved, meanwhile, the discharging pipe can be dredged through the push rod, the inclined groove, the sliding plate and the ejector rod, the plastic particles are prevented from being blocked in the discharging pipe, and the discharging efficiency of the plastic particles is improved.

The invention relates to the technical field of steel strip cutting and slitting, in particular to cold-rolled steel strip slitting equipment which comprises a cutting mechanism, the cutting mechanism comprises a cutting knife used for cutting a steel strip, a first iron core is arranged on the side wall of the cutting knife in a sliding mode, and a first electromagnetic coil making contact with the first iron core is arranged on the outer gap of the first iron core in a sleeving mode; and the bottom end of the cutting knife is fixedly connected with a second iron core. After a steel belt is placed on the top of the cutting table, the steel belt can push a rotating wheel and a rolling frame to synchronously move upwards, the telescopic end of a first elastic telescopic rod drives a first conducting strip to slide on a first resistance plate, the current of a first sliding rheostat is detected through a current detection module in a PLC, and therefore the thickness of the steel belt is fed back; according to the thickness of the steel belt, the PLC controls current introduced into the first electromagnetic coil and the second electromagnetic coil, so that the cutting knife generates proper frequency to perform high-frequency vibration up and down and left and right.

The invention discloses a Schiff base modified silane / polyurethane antifouling coating as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, carrying out dehydration reaction on an aldehyde substance and amino silane, and hydrolyzing to prepare a Schiff base modified silane monomer; s2, dewatering polyether glycol, uniformly mixing the dewatered polyether glycol with diisocyanate, and carrying out cooling reflux under the conditions of stirring and 60-80 DEG C to obtain a polymer A; s3, uniformly mixing the polymer A, a Schiff base modified silane monomer, a solvent and a dibutyltin dilaurate catalyst, and reacting to obtain a polymer B; and S4, coating a base material with the polymer B, and curing to obtain the coating. The anti-fouling coating has a good anti-fouling effect, the coating can effectively inhibit growth of marine fouling organisms based on Schiff base, the active anti-fouling requirement of the coating can be met, meanwhile, the coating has good base material adhesion and wear resistance, and the service life of the coating is guaranteed.

The unbalance loading type multi-station mechanical press comprises a first supporting frame, a rotary table is rotatably installed on the first supporting frame, a rotation driving mechanism used for driving the rotary table to rotate is arranged on the first supporting frame, and the rotary table is sequentially provided with a feeding station, a detecting station, a machining station and a discharging station in the rotating direction; and the rotary table is provided with mounting ports which are circumferentially distributed. Through the arrangement of the rotary table, the carrier and other structures, the machining efficiency can be better improved through the multi-station operation mode, and the automation degree is high; the supporting mechanism is arranged and can work based on a lifting driving motor to drive a lifting adjusting screw rod to rotate, and then the lifting carrying table is controlled to ascend and descend under the guiding of a guiding base, so that a positioning block is better supported, and the pressure output mechanism works conveniently; in addition, due to the fact that the height of the supporting mechanism is adjustable and the carrier can move up and down, the pressing position of the pressure output mechanism can be well controlled, and therefore different production requirements can be met.

The invention relates to the technical field of die-casting machines, in particular to an automobile part die-casting machine capable of reducing heat residue, which comprises a die-casting machine body, the die-casting machine body comprises a base, a machine body and a die-casting assembly, the bottom of the machine body is fixedly connected with one end of the top of the base, and the die-casting assembly comprises an upper die, a turntable and a plurality of lower dies; the upper mold is installed on the machine body in a vertically movable mode, the rotating disc is installed on the top of the base in a horizontally rotating mode, the multiple lower molds are circumferentially distributed on the rotating disc, the bottoms of the lower molds penetrate through the rotating disc and are fixedly connected with the rotating disc, and the heat conversion assembly comprises an operation table, a chassis and a reverse linkage mechanism. In order to make full use of the heat exchange performance of cooling liquid, the chassis rotates clockwise while rotating anticlockwise through the reverse linkage mechanism, the cooling liquid and the lower die coaxially and reversely rotate, circulation is formed, the die is cooled and preheated, the die casting efficiency can be improved, and adhesion is prevented.