1857results about How to "Achieve closure" patented technology

The invention relates to the technical field of ball valves, and discloses a corrosion-resistant anti-scouring ball valve which comprises a valve body, an anti-scouring mechanism is arranged on the left side in the valve body, and a flowing mechanism is arranged at the top of the valve body. According to the corrosion-resistant and anti-scouring ball valve, through the arranged anti-scouring mechanism, under the elastic potential energy of a spring, impact force of water flow can be effectively buffered, so that damage to the interior of the valve body caused by excessive impact force of the water flow can be avoided, the anti-scouring effect is achieved, the service life of the ball valve is prolonged, and the service life of the ball valve is prolonged. The inner wall of the valve body is coated with epoxy paint, the purpose of corrosion resistance can be achieved, and through the arranged flowing mechanism, when the ball rotates to enable an inlet and an outlet of a pipeline to be spherical surfaces, the ball valve is in a closed state, and fluid is cut off; and when the ball channel is aligned with the inner diameter of the pipeline, the ball valve is in an open state, the fluid circulates, and the operation is convenient and fast.

The invention discloses a single-line return-to-zero code LED drive control chip circuit which comprises a power management circuit, a start reset circuit, an oscillator circuit, a bias current circuit, a digital circuit and a light emitting diode drive circuit. The light emitting diode driving circuit comprises a driving channel of a white light emitting diode chip, a driving channel of a red light emitting diode chip, a driving channel of a green light emitting diode chip and a driving channel of a blue light emitting diode chip, and the power management circuit is used for ensuring that the power supply is turned off when all-zero data or no data is input by analyzing the states of the previous data and the next data in the power management signal. The single-line return-to-zero code LED driving control chip solves the problems that the current single-line return-to-zero code LED driving control chip with a three-channel design does not have a sleep mode, so that effective power consumption management is lacked when the brightness and the color of an LED are controlled, and the whole LED device still has static power consumption waste in a non-light-emitting state.

The invention discloses an environment-friendly cutting device for advertising board manufacturing, and relates to the technical field of laser cutting, the environment-friendly cutting device comprises a cutting mechanism and laser cutting equipment mounted on the inner side of the bottom of the cutting mechanism, a dust collection adjusting mechanism is arranged at the bottom of the cutting mechanism, and a filter screen is arranged in the dust collection adjusting mechanism; the cutting mechanism comprises a cutting fixing disc, rotating supports are symmetrically installed on one side of the bottom of the cutting fixing disc, a rotating motor is fixedly installed on one side of each rotating support, the output end of each rotating motor is fixedly connected with a rotating worm, one side of each rotating worm is connected with a rotating worm gear in an engaged mode, and the other side of each rotating worm gear is fixedly connected with the cutting fixing disc. By means of the characteristic that a first bevel gear body and a second bevel gear body are connected in a meshed mode, rotation of a cleaning scraping plate can be achieved, so that large particle chippings on the surface of the advertising board are cleaned into a chipping collecting box, a sealing bottom cover can be taken out from the interior of the chipping collecting box through a cross-shaped groove, and the service life of the advertising board is prolonged. And chippings in the chipping collecting box can be conveniently cleaned.

The utility model relates to a container side plate integrated upturning structure which comprises a container, a side plate arranged on the container, a driving device arranged at the upper end of the container, pulley guide grooves arranged on two sides of the upper end of the container, pulleys arranged on two sides of the upper end of the side plate, a locking bar fixing plate arranged at the upper end of the side plate, the locking bar fixing plate hinged with the driving device, and the pulleys arranged in the pulley guide grooves. Two sides of the side plate are hinged with the turnover connecting rod; the side plates are driven to move through the driving device, the upper ends of the side plates are limited in pulley guide grooves formed in the two sides of the upper end of the container and slide horizontally due to pulleys, the lower ends of the side plates are hinged to the overturning connecting rods, the overturning connecting rods are hinged to stand columns arranged at the two ends of the container, a sliding connecting rod mechanism is formed, and the side plates are completely opened and closed. The overturning connecting rod is connected with buffer springs arranged on the two sides of the lower end of the container, and stable operation of the sliding connecting rod mechanism is achieved.

The invention discloses a welding device for chemical container barrel assembly production, and belongs to the technical field of welding equipment.The welding device comprises a welding box, an inner welding mechanism, an outer welding mechanism and two sets of positioning mechanisms are arranged in the welding box, and the two sets of positioning mechanisms are arranged on the two sides of the outer welding mechanism; the outer welding mechanism comprises a welding frame and an arc-shaped seat, a round hole is formed in the welding frame, and the arc-shaped seat is slidably connected into the round hole; the inner welding mechanism comprises a fixed frame, a movable frame and a mounting disc. The other side of the mounting disc and one side of the arc-shaped base are both connected with welding assemblies. The welding assembly comprises a fixing plate, a mounting plate and a welding gun. Automatic and synchronous welding work of the inner ring and the outer ring of the barrel can be achieved through the inner welding mechanism and the outer welding mechanism, the power and the cooling rate of the welding gun can be automatically adjusted through the linkage mechanism and the adjusting mechanism according to the moving line of the welding gun relative to a workpiece, and uniform and efficient welding work is guaranteed.

The utility model discloses cigarette packaging paper. The cigarette packaging paper comprises an inner part, an outer part, a release layer (105) and an adhesive sticker layer (106), wherein the release layer (105) and the adhesive sticker layer (106) are arranged between the inner part and the outer part; the outer part sequentially comprises an outer PE (polyethylene) lamination layer (101), an outer paper layer (102), an outer composite adhesive layer (103) and an outer PET (polyethylene terephthalate) layer (104); the inner part sequentially comprises an inner PET layer (107), an inner composite adhesive layer (108), an inner paper layer (109) and an inner PE lamination layer (110); the release layer (105) is close to the outer PET layer (104), and the adhesive sticker layer (106) is close to the inner PET layer (107). According to the utility model, the outer PE lamination layer and the inner PE lamination layer are respectively laminated on the outermost layer and the innermost layer of the packaging paper to form the double-sided laminated paper, so that the leakproofness and the barrier property of the paper are effectively improved. The pressure relief device is arranged at the bottom of the packaging box, so that the problem that the whole packaging box swells due to the fact that the sealing performance of the packaging box is improved is solved.

The invention discloses a lithium battery device with a heat dissipation function for a lithium battery, and relates to the technical field of lithium batteries, the lithium battery device with the heat dissipation function for the lithium battery comprises a cleaning device, the cleaning device comprises a filter plate, a cleaning rod, a first check block, a rotating disc and a second check block, the filter plate is fixedly installed on the inner wall of a shell, and the cleaning rod is fixedly installed on the inner wall of the shell. The cleaning rod is slidably installed on the side, away from fan blades, of the filter plate, the first check block is fixedly installed on the side, away from the filter plate, of the cleaning rod, the rotating disc is fixedly installed on the circumferential face of a rotating shaft of the fan, and a first sliding groove is formed in the surface of the rotating disc. The cleaning rod rotates to clean dust on the surface of the filter plate, dust and dirt can be cleaned in time, the heat dissipation effect can be better, the filter plate cannot be blocked, heat dissipation cannot be affected, and the performance and the service life of equipment are improved.

The invention relates to the field of transformers, in particular to a no-load current adjustable transformer which comprises an adjustable transformer body, the adjustable transformer body comprises a shell, a partition plate is fixedly connected to the lower portion in the shell, a bottom bin is arranged on the lower portion of the partition plate, and side bins are fixedly connected to the middles of the two sides in the shell. The device comprises a shell, air heating cavities are formed in the two sides of the shell, guide pipes are fixedly connected to the front side and the rear side of the top of each air heating cavity, the ends, away from the air heating cavities, of the guide pipes penetrate through the side wall of the shell, the ends, away from the air heating cavities, of the guide pipes penetrate through the tops of side bins, piston plates are slidably connected into the side bins, and limiting rods penetrate through the front portions and the rear portions of the piston plates. According to the adjustable transformer, the situation that the safety performance of the adjustable transformer is affected due to the fact that the temperature of insulating oil is accumulated and rises to exceed a safety threshold value can be effectively avoided, and the safety of the transformer is effectively improved.

The invention discloses a deep-sea polymetallic nodule collecting system based on an autonomous underwater vehicle, and relates to the technical field of deep-sea mining, the deep-sea polymetallic nodule collecting system comprises a deep-sea mining mother ship, an offshore floating storage yard, a conveying vehicle and an ore collecting vehicle, the conveying vehicle comprises an ore storage cabin, and four first rotors are distributed on the side wall of the ore storage cabin; a plurality of ore storage openings are formed in the top surface of the ore storage cabin, and bosses are arranged on the inner walls of the ore storage openings; the mine collecting aircraft comprises a four-rotor main body frame, a second rotor, an anti-collision cylinder and an alternate collecting executing mechanism, the anti-collision cylinder is located in the middle of the bottom face of the four-rotor main body frame, the bottom end of the anti-collision cylinder is in lap joint with the boss, and the alternate collecting executing mechanism is located in the anti-collision cylinder. According to the deep sea polymetallic nodule collecting system based on the autonomous underwater vehicle, the conveying vehicle is used for vertically transporting polymetallic nodules or the mine collecting vehicles, the two sets of paws of the multiple mine collecting vehicles are used for collecting the polymetallic nodules, and the purpose of efficiently collecting and conveying the polymetallic nodules is achieved.

The invention relates to the technical field of metal casting, in particular to a high-temperature alloy casting device. The high-temperature alloy casting device comprises an outer frame, a discharging hopper, a controller, a rotating disc, inner molds, guide rods and an outer mold, the discharging hopper is connected to the front side in the outer frame, the controller is installed on the front side wall of the outer frame, the rotating disc is rotationally connected into the outer frame, the inner molds are connected to the four sides of the rotating disc, and the guide rods are evenly connected to the outer sides of the inner molds. And the outer molds are connected between the guide rods on the same side in a sliding manner. The motor drives the rotating disc to rotate intermittently, injection molding and cooling forming can be completed in the rotating process of the inner molds and the outer molds, opening and closing of the inner molds and the outer molds are achieved through cooperation of the sliding rods and the guide grooves, automatic discharging is completed, and multiple sets of inner molds and outer molds are arranged for synchronous use; and the casting work of blade parts can be continuously carried out.

The invention belongs to the technical field of sewage treatment, particularly relates to reverse osmosis treatment equipment and a reverse osmosis treatment method for removing heavy metals in sewage, and aims to solve the problems of poor impurity treatment effect, easiness in blockage of a filter screen, poor online replacement effect of a reverse osmosis membrane and the like during sewage treatment in the prior art. The reverse osmosis treatment equipment comprises a base, the top of the base is fixedly provided with a filter box and a purification box, the filter box is used for preliminarily filtering and purifying sewage input from the outside, and the purification box is used for performing reverse osmosis treatment on the preliminarily filtered sewage. The detachable design is matched with a double-filter-element system, replacement of reverse osmosis filter elements can be completed under the non-stop condition, a liquid inlet is intelligently regulated and controlled through a communication assembly, and an automatic cleaning and impurity collecting mechanism is matched, so that blockage can be effectively prevented, the maintenance cost is reduced, and the reliability and durability of equipment are enhanced.

The utility model discloses a switching mechanism of a rotary double-flame lighter based on a grinding wheel driving wheel and a lighter, and the double-flame lighter comprises a gas box, a first flame generating head, a second flame generating head, a first gas pipe for connecting the gas box and the first flame generating head, a second gas pipe for connecting the gas box and the second flame generating head, and a grinding wheel ignition unit, the grinding wheel ignition unit comprises a grinding wheel arranged in a rotating mode and a driving wheel matched with the grinding wheel in a coaxial rotating mode, the switching mechanism comprises a switching block, and the switching block is matched with a driving shaft in a sliding mode in the axial direction. When the driving shaft is located at the first position in the axial direction, the switching block and the first air pipe form air channel release fit, and when the driving shaft is located at the second position in the axial direction, the switching block and the first air pipe form air channel cut-off fit.

The invention discloses an exhaust ball valve with an internal self-cleaning function, and relates to the technical field of exhaust ball valves, the exhaust ball valve comprises an exhaust ball valve main body, the exhaust valve main body comprises a connecting pipe and an exhaust pipe, the exhaust pipe is mounted above the connecting pipe, a partition plate is mounted in the exhaust pipe, a space below the partition plate is a primary filtering space, and a secondary filtering space below the partition plate is a secondary filtering space. The space above the partition plate is a secondary filtering space, mounting plates are mounted at the joint of the connecting pipe and the exhaust pipe, a power-assisted cleaning assembly is mounted between the mounting plates, a blocking assembly is arranged on the partition plate, an end cover is mounted above the exhaust pipe, and an exhaust assembly and a pressure gauge are mounted on the end cover. The end cover is connected with the blocking assembly, the power-assisted cleaning assembly can clean the first-stage filtering space, the blocking assembly can block air entering the second-stage filtering space, and therefore when the device is used, the inner wall of the exhaust ball valve can be automatically cleaned, and residual dust on the inner wall can be cleaned.

The invention relates to the technical field of HTRB testing equipment, in particular to HTRB automatic aging testing equipment, which comprises a testing box, a testing platform and a testing platform, the bases are fixedly connected to the two sides of the test box; the second conveying belt is connected between the two bases in a sleeving manner; the feeding mechanism is arranged in the test box; a second conveying belt drives a mold to move, when the mold passes through the position above a photoelectric sensor, under the action of the photoelectric sensor, a driving motor is closed, a first motor is started, an output shaft of the first motor drives a connecting rod to rotate, and the connecting rod drives two second bevel gears to rotate; a second bevel gear drives two first bevel gears to rotate, the two first bevel gears drive a connected first conveying belt to rotate reversely through a rotating roller, the first conveying belt drives a connected push plate to rotate reversely, a mold is lifted upwards, and high-temperature and high-pressure testing in a testing box is started through a controller by reciprocating motion. And finally, evaluating the aging performance of the device.

The invention provides an industrial palletizing robot mechanical arm, and belongs to the technical field of palletizers, the industrial palletizing robot mechanical arm comprises a palletizer main body, a palletizing clamping jaw mechanism, a negative pressure auxiliary mechanism, an overturning bearing mechanism and a mechanical arm, the mechanical arm is arranged at the front end of the palletizer main body, and the palletizing clamping jaw mechanism is arranged at the end, away from the palletizer main body, of the mechanical arm; a negative pressure auxiliary mechanism is arranged on one side of the stacking clamping jaw mechanism, and an overturning bearing mechanism is arranged in the middle of the stacking clamping jaw mechanism. According to the stacking device, the overturning bearing mechanism is started to be matched with the stacking clamping jaw mechanism, when objects are clamped and transported, the clamped objects are borne through a supporting tail plate on the rear side, overturning of the negative pressure auxiliary mechanism and the overturning bearing mechanism is completed in cooperation with a first servo motor, and then the gravity center of the stacked objects can be transferred to the surface of the supporting tail plate from the bottom; therefore, scattering of articles during transportation can be avoided.

The invention discloses an electric air-tight door for bridge engineering, which relates to the technical field of air-tight doors and comprises a bridge body, a control system, a door opener, a door frame system, a door leaf system, a rotating system, a locking system, a transmission mechanism and a sealing mechanism. The door leaf system is fixed on the door frame system through a door leaf fixing frame; the bridge body provides frame fixing and supporting for the control system, the door opener, the door frame system, the door leaf system, the rotating system, the locking system, the transmission mechanism and the sealing mechanism, the door leaf system and the door frame system are connected together through the rotating system through a connecting rod assembly, and the door opener and the transmission mechanism provide and transmit power for the rotating system. The locking system and the sealing mechanism are used in cooperation to achieve overall locking and sealing of the electric air-tight door. The device is ingenious in conception, fast and stable in operation, safe and reliable, has the advantages of airtightness, heat preservation, impact resistance, wind prevention, dust prevention and the like, and has good market prospects and development space compared with the prior art.

The invention discloses an ultrafast heat switching device and a design method thereof. The ultrafast heat switch device comprises a first polariton layer, a fixed near-field gap and a second polariton layer which are sequentially arranged from top to bottom. According to the design method, an external ultrafast light pulse is utilized to excite a first polariton layer, and mid-infrared transient polaritons are generated. Time-varying coupling occurs between the transient polaritons and polaritons of the second polariton layer, opening or closing of a near-field thermal radiation channel is dynamically controlled, and a thermal switch function is realized. Based on the synergistic effect of heterostructure terminal pairing and transient polaritons, the picosecond-level response speed and the switch ratio exceeding four orders of magnitude are achieved. Under the optimal design, the device can achieve the laser cooling effect on the emitting electrode in a single switching period, and an innovative solution is provided for nanoscale dynamic thermal management.

The invention relates to the technical field of street lamps, and discloses an intelligent street lamp with a monitoring system, which comprises a lamp post body, a street lamp body arranged on the lamp post body, a monitoring camera arranged on the lamp post body, and a rainwater sensor, an umbrella and a controller arranged on the lamp post body, the first driving device is used for driving the umbrella to be unfolded or folded; the rainwater sensor is used for detecting rainwater and transmitting signals to the controller, the monitoring camera is used for monitoring pedestrians and transmitting signals to the controller, the controller is connected with the first driving device, and when the rainwater sensor detects the rainwater and the monitoring camera detects the pedestrians, the controller is connected with the first driving device. The controller controls the first driving device to open the umbrella. According to the street lamp, the use function of the street lamp can be further expanded.

The utility model discloses a central armrest of a passenger car, which belongs to the technical field of automobile armrests and comprises a first connecting rod, a second connecting rod, a turntable, a third connecting rod, a fourth connecting rod and a return spring. The other end of the turntable is hinged to one end of the third connecting rod, the other end of the third connecting rod is hinged to the fourth connecting rod, and the fourth connecting rod can drive the hinged position of the third connecting rod to rotate around a rotating shaft of the fourth connecting rod when rotating. One end of the return torsion spring is in contact with the second connecting rod, and the other end is in contact with the third connecting rod; synchronous movement of the handrails on the two sides is achieved through the connecting rod structure, the handrail mechanism is particularly suitable for products with the handrails on the two sides different in weight, and single-side closing of the handrails can be achieved when the handrails are opened.

The invention discloses automatic feeding equipment for a polyurethane prepolymerization reaction and a preparation process, and belongs to the field of polyurethane preparation. Comprising a reaction kettle, a feeding shell is mounted at the top of the reaction kettle, and a solution cavity is formed in the feeding shell; a driving motor is mounted at the top of the reaction kettle; a heat conduction valve plate is mounted in the shell of the reaction kettle; a sampling tube is arranged at the bottom of the reaction kettle, a blanking detection opening is formed in the bottom of the sampling tube, guide strips which are symmetrically distributed are mounted at the bottom of the blanking detection opening, and the guide strips and the axis of the sampling tube are arranged in the same direction; a sampling box is mounted on the guide strip, a closed elastic piece is mounted between the guide strip and the reaction kettle, and a steering plate is mounted at the connecting position of the sampling tube and the reaction kettle; when the sampling box is installed on the guide strip, the sampling box is suitable for extruding the closing elastic piece which is suitable for abutting against the steering plate. During sampling, the sampling box is installed, the internal feeding effect of the sampling pipe is synchronously achieved, sampling is convenient and fast, and pipeline residue waste is reduced.

The invention relates to the technical field of recycled concrete, and discloses a recycled concrete permeability detection device and method.The recycled concrete permeability detection device comprises a vehicle body, a permeability detection mechanism is arranged on the vehicle body, the permeability of a recycled concrete pavement can be detected, and a detection ring can be closed during detection; after sealing, water injection detection is carried out, the permeability of the recycled concrete pavement is judged and detected according to the volume of the injected water and the time required by water seepage of the corresponding volume, and a corresponding environment can be simulated during detection; according to the recycled concrete pavement sweeping device, the recycled concrete pavement can be swept before detection, soil or garbage on the pavement is prevented from influencing the detection of the permeability of recycled concrete, reciprocating motion sweeping can be realized, and the sweeping efficiency is relatively high; according to the road cleaning device, the cleaned position can be absorbed, dust at the cleaned position can be further absorbed, the cleanness of the road surface is further guaranteed, and detection is facilitated.

The invention discloses an electro-hydraulic control isolation valve, and belongs to the technical field of petroleum operation equipment, the electro-hydraulic control isolation valve comprises an electric control assembly, a pressure balance assembly, a hydraulic control assembly and an adjusting assembly, the electric control assembly is used for controlling normal work of a device, the pressure balance assembly is installed on the electric control assembly, and the hydraulic control assembly is installed on the hydraulic control assembly. The hydraulic control assembly is installed on the electric control assembly, the adjusting assembly is connected with the hydraulic control assembly, and the hydraulic control device has the advantages of being stable and balanced, intelligent in control, low in energy consumption, flexible in opening and closing, convenient and fast to operate, reliable in operation, simple, convenient and practical.

The invention relates to the technical field of transformers, in particular to an energy-saving oil-immersed power transformer which comprises a transformer shell and a plurality of windings installed in the transformer shell, a partition plate is slidably connected to the interior of the transformer shell and connected to the windings in a sleeving mode, and the interior of the transformer shell is divided into a lower cavity and an upper cavity through the partition plate; a first cooling assembly and a second cooling assembly which are used for cooling the interior of the transformer shell are arranged on the transformer shell, the first cooling assembly is communicated with the lower cavity, and the second cooling assembly is communicated with the upper cavity. According to the device, the innovative double-cooling-assembly design is adopted, the interior of the transformer is efficiently cooled by recycling insulating oil, the cooling efficiency is improved through the design, maximum utilization of resources is achieved, when the transformer is started, the insulating oil can rapidly enter the interior of a transformer shell to cool a winding, and the service life of the transformer is prolonged. And equipment damage caused by overheating is effectively prevented.

The invention relates to the technical field of chain machining, in particular to an electric saw chain machining platform with a protection mechanism, which comprises a box body, a protection plate and an intermittent overturning platform, and further comprises a pressing mechanism movably mounted in the box body, a driving mechanism fixedly mounted on one side of the box body and an automatic feeding mechanism fixedly mounted on the back surface of the box body, eight sets of positioning mechanisms are installed on the outer side of the intermittent overturning platform at equal intervals through sliding grooves, and one end of the intermittent overturning platform is in transmission connection with the automatic feeding mechanism. The driving mechanism drives the intermittent overturning platform to intermittently rotate, the pressing mechanism vertically reciprocates, meanwhile, the intermittent overturning platform drives the automatic feeding mechanism to perform reciprocating feeding, and the pressing mechanism drives the positioning mechanism and the protection plate to cooperatively work, so that linkage of continuous feeding, accurate positioning, safety protection and machining is realized, and the production efficiency is improved. And the machining efficiency and the operation safety of electric saw chain parts are remarkably improved.

The invention relates to a hot compression crack repairing method capable of replacing a hot isostatic pressing process, which comprises the following steps: collecting melting point information of an alloy sample, and determining a target temperature of hot compression; selecting a plurality of groups of different stress / strain parameters at a target temperature to carry out a thermal compression experiment, and carrying out mutual comparison; performing metallographic sample preparation, observing and counting crack pore conditions, and judging whether the cracks are obviously closed or not; if yes, preliminarily determining a thermal compression parameter, and if not, adjusting a stress / strain parameter in a thermal compression process until the crack is obviously closed; tilting the sample for hot compression again, and judging whether the crack is closed or not; if yes, finally determining a hot compression parameter, and if not, continuing to adjust; and performing thermal compression on the alloy part by using the finally determined thermal compression parameters to realize crack repair. Compared with the prior art, the method has the advantages that the obtained stress / strain parameters are ensured to be accurate and effective through adjustment and verification of a thermal compression experiment, so that complete closing of the crack is realized under two thermal compression processes.

The invention discloses a laparoscopic surgery suture device, which relates to the technical field of medical instruments, and comprises a shell, a forceps seat arranged at the front end of the shell, a forceps clip assembly arranged on the forceps seat, and a movable handle, a fixed handle and a reset reed which are arranged at the rear end of the shell, the forceps clip assembly comprises a rotating shaft rotationally mounted on the forceps seat, and a first forceps clip arm and a second forceps clip arm which can be relatively rotationally mounted on the rotating shaft; the forceps clip assembly is provided with a squeezing assembly used for squeezing a notch, and the squeezing assembly comprises a driving part which is installed on the arc-shaped outer wall of the first forceps clip arm and the arc-shaped outer wall of the second forceps clip arm in a mirror image mode; and the driven piece is slidably connected to the first forceps clip arm and the second forceps clip arm, and the bottom surface of the driven piece is fixedly connected with a supporting spring. Effective extrusion of an incision can be achieved in the suturing process, the situation that the incision is sutured only through the pulling force of a suture line is avoided, and therefore the wound closing stability and the healing effect are remarkably improved, and tissue damage is reduced.

The utility model discloses a uniform mixing device for producing and processing a water repellent. The uniform mixing device for producing and processing the water repellent comprises a first bevel gear and a reaction kettle, the outer surface of the first bevel gear is meshed with a second bevel gear and a third bevel gear, the inner wall of the second bevel gear is fixedly connected with a rotating rod, the first bevel gear, the second bevel gear, the third bevel gear and other components are arranged, and the first bevel gear and the second bevel gear rotate through rotation of the first bevel gear. The bevel gear I is meshed with a bevel gear I and is meshed with a bevel gear II and a bevel gear III, so that the reverse rotation effect of the bevel gear II and the bevel gear III is achieved, the bevel gear II drives a rotating rod to rotate, the rotating rod drives a stirring part II to rotate through a fixing part, the bevel gear III drives a stirring part I to rotate through the rotating part, and the rotating direction of the stirring part II is opposite to that of the stirring part I; furthermore, the effect of improving the stirring efficiency through forward and reverse rotation between the stirring part II and the stirring part I is realized, the water repellent is ensured to be mixed more uniformly, and the production quality of the water repellent is improved.

The utility model relates to the technical field of medical film printers, in particular to a medical film printer with a disinfection function. According to the technical scheme, the device comprises a printing host, a printing operation area is arranged at the position, close to the upper surface, of the front surface of the printing host, side plates are symmetrically and fixedly installed at the positions, close to the two sides of the upper surface, of the front surface of the printing host, a top plate is fixedly installed on the upper surfaces of the side plates, and an ultraviolet lamp is fixedly installed on the lower surface of the top plate; a winding drum is fixedly mounted at the position, close to the front surface, of the upper surface of the top plate, a winding motor is fixedly mounted on one side of the winding drum, a winding shaft is rotatably mounted in the winding drum, a shielding curtain is fixedly connected to the outer surface of the winding shaft, and a gravity plate is fixedly connected to the tail end of the shielding curtain. According to the medical film printer, the printing operation area of the medical film printer can be disinfected conveniently, and a user is prevented from being infected by germs when using the printer.

The invention belongs to the technical field of cleaning mechanisms, particularly discloses an inner cavity cleaning mechanism for a wet mixing machine, and solves the problem that the later cleaning efficiency is reduced due to the fact that an external cleaning mechanism of an existing wet mixing machine does not timely clean the wet mixing machine. Comprising a bottom plate, a stirring mechanism is mounted at the top of the bottom plate, and the stirring mechanism comprises a stirring tank. A micro motor in the telescopic mechanism drives a moving door and a high-pressure spray head, so that the high-pressure spray head and the moving door are stretched out and opened, the high-pressure spray head and the moving door are retracted and closed synchronously, the high-pressure spray head is pre-arranged in a fixed rod, and meanwhile, the phenomenon that when vanadium-nitrogen alloy raw materials are stirred, the vanadium-nitrogen alloy raw materials are not damaged is avoided. And the phenomenon that the sputtered raw materials block a water outlet of the high-pressure spray head is avoided, so that the vanadium-nitrogen alloy raw materials can be cleaned in real time after being stirred, the vanadium-nitrogen alloy raw materials are prevented from caking after being adhered to the interior of the stirring tank for a long time, and the subsequent cleaning difficulty is reduced.

The invention discloses a carton lower sealing device which comprises a lower sealing mechanism, the lower sealing mechanism comprises a push block, a second lower push rod, a lower guide plate and an ejector block, the push block is obliquely arranged on a rack, and the push block is used for pushing a lower front plate of a packaging carton to rotate towards the center; the second lower push rod and the lower guide plate are matched with each other to extrude two lower side plates of the packaging paper box towards the center, the ejector block can upwards abut against a lower rear plate of the packaging paper box and fix the lower rear plate so as to achieve folding and sealing of a lower end opening of the packaging paper box, and compared with folding and sealing of an existing packaging paper box, the device is simple in structure, ingenious in design and high in practicability. The packaging carton folding and sealing device can be suitable for folding and sealing of lower ports of various packaging cartons, the folding quality of the packaging cartons is guaranteed, the folding and packaging efficiency of the packaging cartons is improved, and the production requirements of enterprises are met.