78results about How to "Prevent popping" patented technology

The invention discloses an injection-molded part water gap removing device, relates to the technical field of injection-molded part finishing, and solves the problems that the removal efficiency of a tool head on a water gap of an injection-molded part is influenced when a worker feeds and takes out water gap waste, so that the water gap of the injection-molded part cannot be removed in a batch removal process of the water gap of the injection-molded part. The ultrasonic water gap removing device comprises a base, a lifting frame is fixedly installed at the center of the upper end of the base, an ultrasonic tool head is fixedly installed on the lifting frame, a hollow cylindrical base is installed on the outer side of the lifting frame, and a protection box is installed on the outer side of the hollow cylindrical base; according to the device, the hollow cylindrical base capable of rotating and the multiple clamping assemblies are installed, so that a worker can feed materials while the ultrasonic tool head works, the continuity of removal work of the ultrasonic tool head on the water gap of the injection molding part is high, and the removal efficiency of the water gap of the injection molding part is high.

The utility model relates to the technical field of infusion supports, and provides an adjusting buckle for an infusion support and the infusion support, and the adjusting buckle comprises a sliding piece and a locking piece. Wherein the sliding part is provided with a sliding cavity, the sliding part is in sliding connection with a supporting rod of the infusion support, and a through hole is formed in the side wall of the sliding part and communicated with the sliding cavity; the locking piece is hinged to the sliding piece, the locking piece is provided with a locking part and a locking part, and the locking part can penetrate through the through hole to abut against the supporting rod of the infusion support and is suitable for limiting sliding of the sliding piece and the supporting rod of the infusion support; when the locking part abuts against the supporting rod, the locking part is clamped with the sliding piece. According to the adjusting buckle for the infusion support, the locking part can abut against the supporting rod by pressing the locking piece with a single hand so as to limit sliding of the sliding piece and the supporting rod, the sliding piece can be locked without manual two-hand operation, the locking part is clamped with the sliding piece, the transverse rod and the supporting rod can be better locked, and the adjusting buckle is convenient to use. The cross rod and the supporting rod can be prevented from loosening, an infusion bottle is prevented from falling off, and safety is improved.

The utility model discloses an electric bean grinder and a bean bin cover of the electric bean grinder, which comprises a mounting bracket, a through bean inlet channel is arranged on the mounting bracket, the mounting bracket is connected with a cover plate used for closing the bean inlet channel, a bean inlet through hole is formed on the cover plate, the mounting bracket comprises a first height position and a second height position, and the first height position and the second height position are arranged on the mounting bracket. When the cover plate is located at the first height position, a bean feeding gap communicated with the bean feeding channel is formed between the bean feeding through hole of the cover plate and the mounting support, when the cover plate is located at the second height position, the bean feeding through hole of the cover plate abuts against the mounting support to close the bean feeding channel, and a bean bin of the bean grinder is closed through the lifting cover plate. On one hand, coffee beans are prevented from jumping out and flying during operation of the bean grinder, on the other hand, noise in the operation process of the bean grinder is reduced, meanwhile, the cover plate does not need to be taken down for installation during use, and operation is easy and convenient.

The utility model provides a scrap blowing device and saw cutting equipment, and relates to the field of photovoltaic profile production. The chip blowing device comprises a chip blowing platform, the chip blowing platform is provided with a containing groove, and the upper portion of the containing groove penetrates through the upper surface of the chip blowing platform; a driving piece is arranged in the containing groove, and a driving part of the driving piece is fixedly connected with an airflow leading-out pipe; the airflow leading-out pipe can be connected with an air source, and at least one end is used for exhausting air to blow chips; and the driving part has a retraction state and an extension state, when the driving part is in the retraction state, the airflow leading-out pipe is located in the containing groove, and when the driving part is in the extension state, the airflow leading-out pipe extends out of the upper opening of the containing groove to blow scraps. According to the scrap blowing device, scraps on workpieces such as aluminum frame profiles can be cleaned, so that the production quality of the workpieces can be effectively guaranteed, and plate explosion is avoided; the whole structure is very compact, the occupied space is very small, and the containing groove protects the driving piece and the airflow leading-out pipe. And mechanical chip blowing is adopted, the production takt can be guaranteed, and production efficiency can be improved.

The utility model discloses a reactor for producing a urea formaldehyde slow-release fertilizer, and relates to the technical field of fertilizer processing. The reactor for producing the urea formaldehyde slow-release fertilizer comprises a reaction vessel and an inner container, the inner container is arranged in the reaction vessel, a supporting circular ring is fixedly connected to the interior of the reaction vessel, and the inner container is fixedly connected to the inner wall of the supporting circular ring; the inner container is fixedly connected with a motor and a material injection pipeline; a cavity is formed between the inner container and the reaction vessel; an electric heating tube for heating the interior of the inner container is arranged on the inner wall of the inner container through a protective shell; a circulating box is fixedly connected to the surface of the reaction vessel, and a waste heat recovery mechanism is arranged on the circulating box. According to the reactor for producing the urea formaldehyde slow-release fertilizer, the inner container is reheated through heat of a water body, so that the heat is recycled, meanwhile, steam is injected into the water body, harmful substances in the steam can be adsorbed and purified through the water body, and environmental pollution caused by direct emission of the steam is reduced.

The invention discloses EPDM (Ethylene-Propylene-Diene Monomer) mold cleaning rubber for cleaning a vulcanization mold as well as a preparation method and preparation equipment of the EPDM mold cleaning rubber, and relates to the technical field of rubber. 20 to 60 parts of white carbon black; 5 to 15 parts of nano montmorillonite; 10 to 30 parts of triethanolamine; 5 to 10 parts of titanium dioxide; 2-5 parts of an anti-aging agent; 0.5 to 3 parts of oleamide; 3-7 parts of zinc oxide; 0.5 to 2 parts of stearic acid; 5-8 parts of a peroxide vulcanizing agent; the grade of the ethylene propylene diene monomer raw rubber is any one of Keltan 2650, KEP330 and EP4045M, and the nano montmorillonite is distributed in a lamellar orientation manner. The rubber material for the charging cable of the electric vehicle charging pile has excellent wear resistance, voltage resistance, aging resistance and cold resistance, is suitable for being used as the charging cable rubber material of the electric vehicle charging pile, prevents the material from jumping out during charging, improves the use safety, and can be selectively charged to the left side or the right side of a cavity of an internal mixer according to requirements.

The invention discloses an automatic spring clamp forming machine, which relates to the field of spring clamp preparation and comprises a spring clamp rotary feeding bin, spring clamp reciprocating up-down forming equipment, spring clamp carrier pressure maintaining equipment and spring clamp pressure maintaining completion discharging equipment. By the adoption of the scheme, through full-automatic mechanical preparation, the spring clamp preparation efficiency is improved; and after the spring clamp is folded and bonded, the pressure of the spring clamp can be maintained for a certain time, so that the spring clamp is prevented from being bounced off due to glue failure caused by the fact that glue is not dry, and the yield is improved.

The utility model belongs to the technical field of cement product waste recovery devices, and particularly relates to a cement product waste recovery device which comprises a smashing box. A crushing device is mounted on the crushing box; a crushing cavity is formed in the crushing box; exhaust pipes are mounted on the two side surfaces of the crushing box; the end part of the air exhaust nozzle penetrates through the plate body of the crushing box and is inserted into the crushing cavity; collecting boxes are mounted on the two side surfaces of the crushing box; a connecting pipe is mounted at the top of the collecting box; an air extracting pump is mounted on the connecting pipe; a telescopic cylinder is mounted at the bottom of the structural surface, close to the conveyor belt, of the crushing box; a push plate is mounted at the end part of the telescopic rod; a rotating plate is rotationally mounted at the top of the feeding hole through a pin shaft; a baffle plate is rotationally mounted at the top of the discharge hole through a pin shaft; and through the action of the crushing device, dust is prevented from flying in a workshop, the health of workers is guaranteed, and follow-up recovery operation is facilitated.

The utility model discloses a building construction waste crushing device, which relates to the technical field of building waste crushing, and adopts the technical scheme that the building construction waste crushing device comprises a crushing box, two side protection plates fixedly arranged in the crushing box, a filter screen and an inclined plate fixedly arranged in the crushing box, a crushing assembly arranged in the crushing box, and a feeding protection assembly arranged at the top of the crushing box, the building construction waste crushing device has the beneficial effects that materials are fed into the crushing box through the feeding box, when building waste makes contact with the shielding plate, the shielding plate is stressed to rotate downwards, the shielding plate of a center channel of the feeding box is automatically opened, and the crushing effect is improved; and when pressure is lost through a shielding plate, a contracted spring enables a transverse plate to reset downwards through elastic force, and then a connecting shaft drives the shielding plate to reset, so that a center channel of the feeding box is blocked, and dust splashing or garbage fragment jumping out is prevented.

The utility model relates to the technical field of crushers, in particular to a splash-proof safety crusher which comprises a crusher body, a feeding hopper is arranged at the top of the crusher body, and a discharging hopper is arranged at the bottom of the crusher body. The feed hopper is provided with a splash-proof plate which is movably mounted, and the top of the splash-proof plate is provided with operation plates which are symmetrically distributed; the device further comprises a reset mechanism and a positioning mechanism. The reset mechanisms are symmetrically arranged on the two sides of the feeding hopper, and the reset mechanisms are connected with the splash-proof plate and used for moving and resetting the splash-proof plate; the positioning mechanism is arranged on the splash-proof plate and is used for limiting and fixing the splash-proof plate; and by arranging the splash-proof plate and the reset mechanism, the splash-proof plate can block the feeding hopper so as to prevent crushed materials from jumping out, the step of manual pulling back is omitted through the design of the reset mechanism, rapid cover sealing is facilitated, and the practicability is improved.

The present invention belongs to the technical field of power transmission line maintenance, and specifically relates to a power transmission line maintenance device and a method of using the same, which includes a base frame, a connecting frame and a pulley, a base plate is mounted on the base frame, a self-aligning assembly is slidably mounted inside the base plate, and a seat assembly and a balancing assembly are slidably mounted on the self-aligning assembly respectively; a transmission assembly is mounted at the bottom of the base plate, and the transmission assembly includes a motor, a pinion, a gear, a shift rack, a rack one and a rack two. When the present invention adjusts the seat assembly toward a direction away from the power transmission line, the motor drives the gear and the pinion to rotate synchronously, and the rotation of the gear drives the seat assembly and the balancing assembly away from each other, and the pinion drives the self-aligning assembly and the seat assembly and the balancing assembly thereon to move toward the balancing assembly as a whole by meshing with the shift rack, thereby effectively maintaining the stability of the maintenance vehicle, reducing the safety accident of the maintenance vehicle rolling over, and improving the safety of the maintenance vehicle.

The invention discloses a steel rolling heating furnace. Comprising a furnace body, more than one tapping machine is arranged on one side of the furnace body side by side, and tapping arm inlets and outlets corresponding to tapping arms of the tapping machines are formed in the furnace body; a steel tapping arm door is arranged corresponding to the steel tapping arm inlet and outlet; according to the tapping arm door, a cooling frame is arranged on the portion, at the tapping arm inlet and outlet, of the furnace body; a flame blocking door is arranged corresponding to the cooling frame; a lifting mechanism used for driving the flame blocking door to ascend and descend is arranged on the outer side of the furnace body and corresponds to the flame blocking door. The sealing system is arranged at the inlet and outlet of the tapping arm of the tapping machine of the heating furnace, so that the problem of fire at the inlet and outlet of the tapping arm of the tapping machine is solved. The working environment is improved, and the problems that nearby equipment is damaged by high temperature, the service life is shortened and the failure rate is high are solved; and the loss of fuel is reduced, and the utilization efficiency of energy is improved. Therefore, the maintenance cost and the operation cost of an enterprise are further reduced.

The utility model discloses a kind of buried garbage can foot switch devices, including protective shell, the protective shell is provided with cover, second fixed pin shaft is provided on protective shell, protective shell is rotatably connected with support by second fixed pin shaft, support upper end is fixedly connected on cover by bolt, switch assembly for separating cover and protective shell is provided on protective shell;When user downwardly treads pedal, pedal drives rotating rod to swing upwards around first fixed pin shaft (movable slot forms limit guide to rotating rod), rotating rod is pushed to move upwards by lower connector by fixing frame, and then drive uncover link to lift upwards;Uncover link is pulled to rotate upwards around second fixed pin shaft by support by upper connector, finally realize the opening of cover, in this process, when fixing frame swings upwards, the piston rod of pneumatic spring will be compressed by second rotating rod, and then make pneumatic spring work, at this time, pneumatic spring provides boost for foot opening cover.

The utility model discloses a waste crusher for lampshade production, which comprises a base, the top of the base is provided with a blanking box, the outer walls of two ends of the blanking box are provided with a material pushing box and a material guiding box, and the outer wall of one side of the top of the base is fixedly provided with a crusher main body; and one side of the bottom of the material guiding box is connected with the feeding end of the top of the pulverizer body, a reciprocating push rod motor is fixedly arranged on the inner wall of the material pushing box, a push block is fixedly arranged at the output end of the reciprocating push rod motor, and cutting grooves distributed at equal intervals are formed in the outer wall of the push block. According to the discharging device, the defective lampshades are pushed out through the output shaft of the reciprocating push rod motor, the push block moves on the inner wall of the discharging box, the defective lampshades are pushed towards the cutting knife until the cutting knife is embedded into the inner wall of the cutting groove, the defective lampshades can be cut into strips, the defective lampshades are prevented from being bounced off in the crushing process, discharging is convenient, and the defective lampshades are convenient to crush.

The utility model relates to the technical field of packing devices, and discloses a packing device for plastic products, which comprises a bottom plate, and side plates are fixedly mounted on two sides of the top of the bottom plate. By arranging the moving block, the sponge pad, the first motor and the placing plate, an operator places a packing box on the upper surface of the placing plate, plastic products conveyed by the conveying belt can fall into the packing box, and after the packing box is filled with the plastic products, the operator can start the first motor to drive the packing box to move. According to the plastic packaging machine, the rotating shaft drives a rotating rod to rotate, then a hinge rod can pull a connecting rod, a moving block and a placing plate to move rightwards, the packaging box is driven to move rightwards, and at the moment, plastic products conveyed through a conveying belt can fall onto the upper surface of a sponge pad, so that the plastic products are prevented from falling onto the ground; and the plastic products on the upper surface of the sponge cushion can abut against the right side of the fixing box, and therefore the plastic products fall into the packaging box.

The utility model discloses a kind of wire rod clamping foot riveting devices, including the fixed seat and mounting plate being connected, mounting plate is fixed on fixed seat, and placing groove is opened on mounting plate, for preventing wire rod material;Still include clamping assembly, it is set on mounting plate, clamping assembly includes pressing plate, when operating, pressing plate covers on placing groove, for fixing wire rod material;Clamping assembly still includes a pair of support seat fixedly connected on mounting plate, a pair of support seat are fixedly connected with fixed link in each, fixed link is slidably connected with sliding block, the inner end of sliding block is rotatably connected with rotating block, and pressing plate and rotating block are fixed.The utility model is fixed by setting pressing plate and baffle, pressing plate can stably wire rod, ensure riveting position accurate, effectively solved the problem that traditional device wire rod is not fixed unstable and leads to riveting deviation, improve the qualified rate of product;Baffle provides effective protection, prevent material from being machine anvil bounce in riveting process.

The utility model relates to the field of educational toys, and discloses a four-axis octahedral magnetic Rubik's cube which comprises a central axis body, a plurality of corner blocks, a plurality of central blocks and a plurality of edge blocks, and the central axis body comprises four virtual axis rods and four solid axis rods; a plurality of first locking plates and a plurality of second locking plates are further included, the end of each virtual shaft rod is correspondingly provided with one first locking plate, and the end of each real shaft rod is correspondingly connected with one second locking plate through a locking screw; the center block comprises a first center block main body and a first center block layer plate, and the first center block layer plate comprises a first layer plate and a second layer plate; each edge block comprises a first edge block main body and a first edge block clamping foot; and the first laminate is embedded into a space between the first edge block main body and the first edge block clamping foot. The rotating shaft has the advantages of being stable in structure, compact, smooth and good in magnetic positioning effect, the center shaft body only needs four shafts, the magnetic force of the shaft centers is reasonably arranged, and the rotating hand feeling is effectively improved.

The invention discloses a composite refractory material blast furnace skimmer and a preparation method thereof. The blast furnace skimmer is prepared from sintered corundum, brown corundum, white corundum, chromic oxide or activated aluminum oxide, zirconium oxide or boron carbide, metal chromium powder or metal aluminum powder, squamous graphite, silicon carbide, silicon carbide, aluminum oxide fibers, polypropylene explosion-proof fibers, high-temperature asphalt powder and a polyphosphate dispersing agent in different specifications. The preparation method comprises the following steps: respectively preparing a powdery raw material and a liquid raw material according to the raw material ratio; and mixing the powdery raw material and the liquid raw material, pouring and molding, and then air-drying, drying and sintering to obtain the product. The blast furnace skimmer provided by the invention has relatively high strength, slag corrosion resistance, scouring resistance, oxidation resistance and thermal shock resistance, and the service life of the blast furnace skimmer is greatly prolonged.

The utility model discloses a Bluetooth valve control intelligent water meter, which relates to the technical field of intelligent water meters and comprises a main body component, a rotating component and a fixed component. The main body assembly comprises a meter recording box, one side of the meter recording box is provided with a movable hinge, one side of the movable hinge is provided with a flip cover, and the outer surface wall of the meter recording box is provided with a data recorder; the rotating assembly comprises a waterproof groove, a dial plate is arranged in the waterproof groove, and a rotor is arranged in the waterproof groove; the fixing assembly comprises an anti-freezing water pipe, a water inlet pipe is arranged on one side of the anti-freezing water pipe, a water inlet valve is arranged on one side of the water inlet pipe, a layer of sealing ring is arranged in the water inlet pipe, a water outlet pipe is arranged on one side of the anti-freezing water pipe, and the anti-freezing water pipe is made of anti-freezing materials, so that the phenomenon of bursting in cold weather can be avoided; a water inlet pipe and a water outlet pipe are arranged on one side of the anti-freezing water pipe, and sealing rings are arranged on one sides of the water inlet pipe and the water outlet pipe to prevent water leakage.

The utility model discloses meat loaf beating equipment for making shredded beef jerky, which comprises a working table, a driving component is arranged on the bottom surface of the working table, a rotating shaft is rotatably arranged in the working table, the top end of the rotating shaft penetrates through the working table and is fixedly provided with a placing box, a fixing frame is fixedly arranged on the top surface of the working table, and the fixing frame is fixedly provided with a rotating shaft. An air cylinder is fixedly installed on the top face of the fixing frame, a lifting plate is fixedly installed at the output end of the air cylinder, through the arrangement of the fixing assembly, the clamping blocks enter the clamping grooves, then the cover plate can be fixed, the lifting plate is moved through the output end of the air cylinder, and then the beating hammer is driven to move downwards and penetrate through the opening to repeatedly beat the beef jerky; according to the beef jerky beating device, by arranging the driving assembly, the rotating shaft rotates to drive the placing box to rotate, so that beef jerky in the placing box rotates, the beef jerky is beaten more uniformly, the hardness of the beef jerky is reduced, and by arranging the cover plate, the beef jerky can be prevented from jumping out during beating.

The invention provides hollow glass capable of reducing dust attachment. The hollow glass comprises a hollow glass body. A heat-insulating film is adhered to the outer side wall of the hollow glass body; an explosion-proof film is adhered to the outer side of the heat-insulating film; a self-cleaning coating is arranged on the outer side The self-cleaning coating comprises the following components in parts by weight: 2-6 parts of nano silicon dioxide, 1-6 parts of nano titanium dioxide, 4-8 parts of titanium phosphate, 10-20 parts of glass silicon resin, 3-6 parts of a fluorosilicone high-molecular polymer, 1-3 parts of a surfactant, 1-3 parts of a modifier, 2-8 parts of an organic solvent and 2-4 parts of a film-forming agent. The glass cleaning agent can effectively reduce dust attached to the surface of glass, is good in self-cleaning effect, has excellent heat insulation and explosion-proof functions, and is high in safety.

The utility model belongs to the technical field of electrode paste production equipment, and discloses a double-stirring mixing and kneading pot dry and wet material premixing and discharging device which comprises a mixing and kneading pot cover body, a first-stage wet material conveying pipe communicated with the lower layer of a mixing and kneading pot, a dry material uniform distribution assembly and a wet material premixing assembly. The mixing and kneading pot cover body is provided with a discharging port, the material guide pipe is communicated with the discharging port from top to bottom, the baffle is located at the bottom of the mixing and kneading pot cover body, a plurality of discharging holes are formed in the baffle, and the material stirring rod is arranged above the baffle and used for stirring dry materials to pass through the discharging holes. The wet material premixing assembly comprises a second-stage wet material conveying pipe, a first driving shaft and a wet material pouring pipe, the first driving shaft is a hollow shaft, penetrates through the baffle and is rotatably connected with the baffle, and the upper end of the first driving shaft communicates with the first-stage wet material conveying pipe through the second-stage wet material conveying pipe; the wet material pouring pipe is perpendicular to the first driving shaft and communicates with the lower end of the first driving shaft, and a plurality of pouring openings are formed in the wet material pouring pipe in the axial direction.

The utility model discloses an anti-explosion zipper, which relates to the technical field of zippers and solves the problems that the conventional zipper is easy to burst due to external force, the use is influenced and the anti-theft effect is poor, the anti-explosion zipper comprises a cloth belt and a puller arranged on the cloth belt, the outer side of the cloth belt is fixedly connected with first connecting cloth, and the first connecting cloth is fixedly connected with the zipper. The outer side of the first connecting cloth is fixedly connected with a plurality of second connecting cloth, the sides, close to the cloth belt, of the second connecting cloth and the sides, close to the second connecting cloth, of the cloth belt are fixedly connected with magnets which are connected in a matched mode, and the side, close to the magnets, of the outer side of the pull head is fixedly connected with a partition plate. The two sides of the cloth belt can be well connected through the first connecting cloth, the second connecting cloth and the magnet so that teeth can be effectively prevented from being pressed and exploded, meanwhile, the lock plate is arranged on the cloth belt and used in cooperation with the pull piece, the pull head can be prevented from freely moving, a certain anti-theft effect can be achieved when the anti-theft zipper is used on a luggage, and the use effect is good.

The utility model discloses a sterilization kettle uncovering pressure relief device which comprises a mounting plate, a pressure relief box is mounted above the mounting plate, a pressure relief pipe is fixedly connected above the right side of the pressure relief box, a valve plate is arranged at the bottom of the pressure relief pipe, a handle is connected to the left end of a connecting rod, a first gear is arranged on the left side of the mounting plate, and a second gear is arranged on the right side of the mounting plate. The top of the first gear is connected with a winding roller; and the mounting box is arranged in the pressure relief box, a spring shaft is arranged in the mounting box, the shaft end of the spring shaft is connected with a second gear, a third gear is arranged on the outer side of the second gear, the spring driving end of the spring shaft is fixedly connected with a connecting rope, and the other end of the connecting rope is connected with the winding roller. According to the uncovering pressure relief device of the sterilization kettle, pressure relief can be conveniently conducted on the sterilization kettle, negative pressure can be generated through air flowing, steam is prevented from overflowing from the uncovering position of the cover door, and use is convenient.

The present invention provides a device and method for collecting high-temperature smoke at the tail of a sintering machine, which comprises a tail cover, a sintering trolley, a suction cover, a single-roll crusher, an extension cover, and an induced jet flow system. The sintered ore falls and is crushed by the single-roll crusher to generate high-temperature smoke. The cover body of the extension cover extends toward the head of the machine on the basis of the tail cover. A suction cover is provided above the rear of the tail cover. The induced jet flow system allows the high-temperature smoke to form a directional vortex in the cover to flow into the tail of the sintering trolley and prevents the smoke from escaping from the front section of the cover body. The device and method for collecting high-temperature smoke at the tail of a sintering machine can effectively reduce the air volume of the dust removal system, improve the efficiency of collecting high-temperature smoke, prevent smoke from escaping, and ensure the ultra-low emission requirements of the workplace environment and organized emissions. At the same time, it improves the production of sintered ore to a certain extent, achieving cost reduction and efficiency improvement.

The utility model discloses a coiled material feeding device for a laser cutting machine, and relates to the technical field of laser cutting machines. The feeding device comprises a feeding device body. According to the feeding device, the surface of the extrusion assembly is attached to the surface of the coiled material, so that the coiled material can be prevented from being bounced off instantly after losing constraint, and then one end of the coiled material penetrates through the guide assembly and is communicated with one end of the mechanical cutting machine; according to the device, the driving assembly mounted on the outer surface of the driving assembly can be driven to rotate, so that the driving assembly drives the connecting assembly to move downwards, the extruding assembly can be driven to move in the direction of the coiled material, the coiled material is always extruded, and the extruding force can be always applied to the coiled material; and therefore, the stability and the safety of the coiled material in the unwinding and feeding process are improved.

The utility model belongs to the technical field of heating radiators, and particularly relates to a heating radiator with a good heating effect, a conveying pipe assembly is fixedly arranged in a mounting frame, a heat dissipation plate is arranged on one side of the conveying pipe assembly, fixed on the inner wall of the mounting frame and used for enhancing the heat dissipation effect, and a first heat dissipation fin is located on the side, close to the conveying pipe assembly, of the heat dissipation plate. The first heat dissipation fins are located on the side, away from the conveying pipe assembly, of the heat dissipation plate and used for accelerating heat transfer, the second heat dissipation fins are located on the side, away from the conveying pipe assembly, of the heat dissipation plate and used for enhancing air convection heat dissipation, the first heat dissipation fins and the second heat dissipation fins can be made of copper-aluminum composite materials, the heat conduction efficiency is improved, the installation plate is fixed to the installation frame, and the heating radiator is convenient to install and fix.

The utility model relates to the technical field of traditional Chinese medicine decoction pieces, and discloses a traditional Chinese medicine decoction piece screening device with a vibration screening effect, which comprises a top plate detachably connected to the top of a screening box, the outer end of the bottom of the top plate is movably connected with a first movable plate for screening and limiting the traditional Chinese medicine decoction pieces, and the middle position of the bottom of the top plate is movably connected with a second movable plate. The bottom of the top plate is movably connected with a first movable plate and a second movable plate through a fixing frame connecting rotating shaft, when traditional Chinese medicine decoction pieces are screened in a vibrating mode, the traditional Chinese medicine decoction pieces bounced out through vibration are limited, the traditional Chinese medicine decoction pieces are prevented from bouncing out of the device, and meanwhile when the traditional Chinese medicine decoction pieces collide with the first movable plate and the second movable plate, the rotating shaft is driven to rotate; due to the friction force between the rotating shaft and the friction plate, the rotation amplitude of the first movable plate and the second movable plate is reduced, meanwhile, the rotation amplitude of the first movable plate and the second movable plate is controlled through the limiting strip, and the limiting effect of the first movable plate and the second movable plate on the popped-out traditional Chinese medicine decoction pieces is guaranteed.

The utility model discloses an explosion-proof power supply switching device comprising a housing protection assembly which comprises a housing and a conductive block; the pressure relief assembly comprises a pressure relief hole, a rotating shaft, a sealing plate, a first threaded hole, a second threaded hole and a butterfly screw; the middle of the shell is fixedly connected with a conductive block, a pressure relief hole is formed in the middle of the top end of the shell in a penetrating mode, the top of the shell is fixedly connected with a rotating shaft, the rotating shaft is movably connected with a sealing plate, a first threaded hole is formed in the side of the sealing plate, a second threaded hole is formed in the top of the shell, and a butterfly screw is inserted between the first threaded hole and the second threaded hole. The utility model relates to a power supply switching device, in particular to a power supply switching device, and aims to solve the problems that the internal temperature of an existing power supply switching device is gradually increased in the use process, heat generated by temperature increase has a certain influence on the internal pressure of the switching device, and the existing power supply switching device is extremely easy to burst in the use process due to poor overall explosion-proof performance.