71results about How to "Avoid Accidental Burns" patented technology

The invention provides a water dispenser with a water receiving tray capable of being lifted automatically. The water dispenser comprises a shell, the water receiving tray, a detecting device I, a detecting device II, a control module, a pressure sensor, and a lifting device used for driving the water receiving tray to move. The water receiving tray is movably arranged on the shell. The lifting device is connected with the water receiving tray and can drive the water receiving tray to move vertically. The detecting device I and the detecting device II are arranged on the shell. The pressure sensor is arranged on the water receiving tray. The control module is connected with the detecting device I, the detecting device II, the pressure sensor and the lifting device. According to the water dispenser with the water receiving tray capable of being lifted automatically, lifting of the water receiving tray can be automatically adjusted, no matter what the height of a cup is, a proper distance can be kept between the cup and a faucet, the situation that a person is accidentally scalded when water splashes or the person directly holds the cup to receive water can be prevented, and water dispenser is safe, saves water resources, and can be widely applied to public places and families.

The invention discloses a printed fabric hand sample continuous heater which comprises a heating device and a steam generating device. The heating device comprises a heating box, a plurality of inner transition rollers installed inside the heating box, and upper transition rollers and a lower driving roller which are installed outside the heating box, wherein a circulating conveying belt running in a circulating mode is installed among the inner transition rollers, the upper transition rollers and the lower driving roller. The steam generating device comprises a steam generating chamber with a heating element, wherein water to be evaporated is stored in the steam generating chamber, the steam generating chamber is provided with a water supplementing opening, a steam outlet and a water drainage opening, and the steam outlet is connected with an inner cavity pipeline of the heating box. The heater can uniformly heat and dry printed fabric hand samples in a circulating mode, is good in drying effect, and ensures the quality of the dried printed fabric hand samples.

The invention provides an electronic shower faucet comprising a fixing unit, a constant temperature valve element, and a water outlet control module, wherein the constant temperature valve element is connected with a temperature adjusting rotary knob. The electronic shower faucet also comprises a plurality of magnetic control elements which are arranged on the outer periphery of the temperature adjusting rotary knob and located in different radial directions of the temperature adjusting rotary knob; a magnetic element arranged on the knob; a temperature display module comprising a display panel and a control circuit board electrically connected with the display panel and the magnetic control elements. When the display panel is activated, the display panel displays the set temperature of the constant temperature valve element corresponding to the current angular position of the magnetic element; when the display panel is in the activated state, the temperature adjusting rotary knob can change the angular position of the magnetic element through rotation to make the magnetic element inductively cooperate with different magnetic control elements, and the control circuit board controls the display panel to display the set temperature corresponding to the angular position of the magnetic element. The electronic shower faucet requires no complicated operations of repeated temperature adjustment and prevents users from getting scalded when trying water temperature.

The invention discloses an automatically-adjustable moxibustion device, comprising a housing with a heat dissipation opening, and a moxa fixing mechanism disposed in the housing, the bottom of the housing is provided with a pressure-increasing airbag capable of driving the moxa fixing mechanism to move to the bottom of the housing when the pressure-increasing airbag is heated, and a transmission mechanism is movably arranged between the pressure-increasing airbag and the moxa fixing mechanism. During use, the pressure-increasing airbag is in a natural state, the distance between the moxa fixing mechanism and the heat dissipation opening is fixed, when a moxa is ignited and fixed in the moxa fixing mechanism, along with combustion of the moxa, the temperature in the housing rises, a mediumof the pressure-increasing airbag absorbs heat and expands, through proper arrangement, release heat is reduced at a later stage of combustion of the mixo, the temperature at the heat dissipation opening decreases, and at the time, under the effect of the expanded pressure-increasing airbag, the moxa fixing mechanism moves to the heat dissipation opening through the transmission mechanism. Therefore, the moxa fixing mechanism approaches the heat dissipation opening by using residue heat of the moxa, and the temperature near the heat dissipation opening is ensured to be substantially stable, thereby avoiding accidental burns due to inaccurate mastering on temperature and distance in a moxibustion process, and improving the user experience.

The invention discloses an anti-dumping electric heating kettle. The anti-dumping electric heating kettle comprises a kettle seat and a kettle body, wherein the kettle seat is connected with a clamping plate, and the clamping plate and the kettle seat are matched so as to tightly clamp a desk plate; the kettle body is provided with a kettle handle, a warning lamp is arranged at the tail of the kettle handle, a positioning and clamping part is arranged in the kettle seat, an ejector rob is movably arranged in the positioning and clamping part, and a limiting electromagnet is arranged at the bottom of the positioning and clamping part, penetrates through a clamping electromagnet and stretches out of the kettle seat; a connecting column rod is arranged at the bottom outside the kettle seat and is connected with the clamping plate, and a limiting ball is arranged at the end part of the connecting column rod; and a pressure block corresponding to the ejector rod is arranged on the clampingplate, a clamping permanent magnet is arranged at the upper end part of the ejector rod and is cooperated with the clamping electromagnet to work, a pressure block is arranged above the clamping permanent magnet, and a reset spring is arranged between the pressure plate and the bottom of the positioning and clamping part. Compared with the prior art, the anti-dumping electric heating kettle is capable of automatically heating up water, and the situation that the electric heating kettle is knocked over by children or domesticated animals can be avoided, so that the scalding accidents can be avoided.

The invention discloses a microwave oven lamp. The quantity of the microwave oven lamps is two or more; each oven lamp is provided with an independent control circuit; and the circuit of each oven lamp can be closed or disconnected by a single chip microcomputer according to programs or instructions. The invention also discloses a control method for the oven lamp, comprising the following steps of: 1) starting the microwave oven and receiving the control instruction by the single chip microcomputer; 2) starting a prearranged working mode and starting the corresponding oven lamp according to the prearranged program; 3) receiving the commands to start or shut down the corresponding oven lamp according to the commands by the single chip microcomputer if inputting the commands in a control panel, and if not, entering the step 4) directly; and 4) when opening the oven door, turning on a red lamp when the temperature in the chamber exceeds the prearranged temperature, and turning on a green lamp when the temperature in the chamber does not exceed the prearranged temperature. By adopting a plurality of LED (light-emitting diode) oven lamps of different colors and by combining the control on the oven lamps, the indicating of different colors in the oven chamber can be realized under different working modes; and when an oven door is opened, the alarms can be given to a user according to the temperature in the chamber, thus avoiding the occurrence of accidental scalding.

The invention discloses a teakettle. The teakettle comprises a teakettle body. A plastic handle of a hand shank of the teakettle body is a movable handle which is connected with the teakettle body in a non-fixed mode. The teakettle is simple in structure, and thermal transmission is reduced through the movable handle, so that the hands of a user are not scalded when the user picks up the teakettle with boiled water, accidental scald is effectively avoided, and the teakettle is convenient to use.

The invention discloses an energy-saving safe vacuum coating machine in the technical field of coating equipment. The energy-saving safe vacuum coating machine comprises a vacuum coating machine body;a vacuum deposition pipe is disposed in the center of bottom of the vacuum coating machine body in a penetration mode; a base is disposed at the bottom of the vacuum coating machine body; a deposition water tank is disposed at the bottom of an inner cavity of the base; the bottom of the vacuum deposition pipe extends into an inner cavity of the deposition water tank; a drainage pipe is disposed at the bottom of the deposition water tank; the bottom of the drainage pipe extends to the bottom of the base; and a condenser is disposed in the center of the left side of the base. According to the energy-saving safe vacuum coating machine, every two oblique plates and one inverted V-shaped guide plate are distributed in a W shape, winders work to make the oblique plates rotate downwards, then inverted V-shaped placement plates are formed, dust slides off from the left sides and the right sides of the inverted V-shaped placement plates, the problem that non-uniform deposition occurs due to direct dropping of the dust is avoided, the deposition efficiency is high, the dust removal effect is good, influence of the dust on a vacuum pump is avoided, energy consumption is effectively reduced,and energy saving and emission reduction are achieved.

The invention discloses a passive cooling system presentation device of a nuclear power station. The passive cooling system presentation device comprises an installing base, a control unit, a heating unit, a cooling water tank and a presentation unit, wherein the heating unit, the cooling water tank and the presentation unit are mutually communicated through a circulating pipeline, the cooling water tank is located above the presentation unit and the heating unit, and a top opening of the cooling water tank is communicated with the atmosphere. The heating unit comprises a heating tank and more than one electric heating tube, the electric heating tubes are installed at the top of the inner cavity of the heating tank, and a water inlet magnetic valve and a water outlet magnetic valve are respectively installed on the pipeline close to a water inlet and a water outlet of the heating tank. The presentation unit comprises an impeller, a spindle, two supports, two limiting blocks and a transparent presentation window, wherein two ends of the spindle are respectively fixed in the presentation window through the two supports, the impeller is installed on the spindle and is in clearance fit with the spindle, and the two limiting blocks are tightly fixed to the spindle and located on the upper side and the lower side of the impeller. A passive cooling system is high in working efficiency and low in energy consumption, has a presentation effect and can be used for research and knowledge popularization.

The invention relates to the technical field of water drinking equipment and tools, in particular to an improved water dispenser. The improved water dispenser comprises a machine shell, a water inlet pipe, an electromagnetic valve, a heat exchanger, a heating inner container and a warm water storage tank, wherein the output end of the heating inner container and the output end of the warm water storage tank are respectively provided with a tap, the upper end of the heating inner container and the upper end of the warm water storage tank are provided with an air outlet and an air inlet respectively, a ventilation pipe is connected between the air outlet and the air inlet, the ventilation pipe is connected with an induction release valve, the inner wall of the heating inner container and the inner wall of the warm water storage tank are respectively provided with a heat-preserving layer, the positions, corresponding to the taps, of the machine shell are provided with grooves, the taps are arranged in the grooves, and the outer wall of the machine shell is provided with a cover plate connected with the machine shell in a matched and buckled mode. The improved water dispenser is provided with the air outlet, the air inlet and the ventilation pipe, so pressure borne by the heating inner container can be reduced; the heat-preserving layer enables water in the heating inner container to keep warm for a long time, and electricity is saved; the positions, corresponding to the taps, of the machine shell are provided with the grooves, and accordingly the taps can be hidden and accidental scalding is avoided.

The invention discloses an electric kettle capable of preventing high temperature scalding. The electric kettle comprises a kettle body and a kettle base, the kettle body is provided with a handle and a kettle cover, the upper end of the handle is connected with the bottom of the kettle cover, a permanent magnet is arranged on the lower portion of the kettle cover, the handle is provided with an electromagnet matched with the permanent magnet, an inclined steam baffle is arranged in the kettle body, a water dropping end socket is arranged at the tail end of the steam baffle, a storage plate is arranged in the handle and provided with a plurality of supporting columns, a water receiver is installed on the supporting columns and connected with a flow guide plate, a partition board is arranged in the handle, a supporting spring is disposed between the storage plate and the partition board, a baffle is arranged below the storage plate and provided with a trigger switch, and the trigger switch makes the electromagnet start to work after the trigger switch is triggered. Compared with the prior art, water can be automatically boiled through the electric kettle, the kettle cover can be automatically locked and prevented from being opened during heating, and accordingly accidental scald accidents can be avoided.

The invention discloses a safe and practical electronic cigarette. The safe and practical electronic cigarette comprises an atomizer, a cigarette holder, a tobacco tar cavity, a gas guide pipe, a shell and an inner pipe; a heating wire is arranged in the tobacco tar cavity, the lower end of the tobacco tar cavity is connected with a battery compartment, the lower end of the battery compartment is connected with a cigarette head, a spring sleeve, a clamping ball and a cigarette hood are arranged on the cigarette head, and the cigarette hood is provided with a clamping hole and a cover plate; the cigarette holder comprises a cigarette holder base and a cigarette holder head, an insertion hole is formed in the cigarette holder base, the cigarette holder head is inserted in the insertion hole, and a backflow adsorption component is arranged at the bottom of the insertion hole. The safe and practical electronic cigarette enables a consumer to obtain better smoke panel test experience, the defect that the plumpness of the impact sense and presence sense of electronic cigarette smoke in the oral cavity is not enough is overcome, the problem that the electronic cigarette smoke has insufficient plumpness is solved, and the overall sensorial quality of the electronic cigarette is effectively improved; the situation that a child gets scalded by accident when making contact with the electronic cigarette is prevented, safety is greatly improved, and atomized smoke condensate can be prevented from being inhaled into the mouth of a smoker.

The invention belongs to the field of glass brick processing, and particularly relates to a hollow glass brick butt joint process which is completed by matching with the following hollow glass brick butt joint equipment, the hollow glass brick butt joint equipment comprises a back plate, a heating block is fixedly arranged on the back plate, and the back plate is symmetrically provided with two flat sliding plates relative to the heating block; each flat sliding plate is provided with a clamping mechanism for clamping glass bricks, two heat insulation mechanisms for heat insulation and two melting mechanisms for ignition are arranged in the heating block, and two square-ring-shaped melting grooves with openings facing the two clamping mechanisms are formed in the heating block. Heat on the side of the fire guide spray head in the melting groove is isolated through the second inner heat insulation plate, the first inner heat insulation plate, the second outer heat insulation plate and the first outer heat insulation plate, the non-welding part of the glass brick is prevented from being heated and softened, and the non-welding part of the glass brick can be effectively prevented from deforming in the melting and butt joint process when the hollow glass brick is machined through the technology and equipment.

The invention provides a moxibustion therapeutic apparatus. The moxibustion therapeutic apparatus comprises a moxibustion body and a cover connected with the moxibustion body through a rotating shaft, wherein the moxibustion body is provided with a cavity for holding a moxa cake, and the cover covers the surface of the skin. The moxibustion therapeutic apparatus has the advantages that the cover connected with the moxibustion body through the rotating shaft covers the surface of the skin, in other words, the cover fixedly covers the surface of the skin of a user when the moxibustion therapeutic apparatus is used for moxibustion and cannot open during use, so that accidental scald during use is avoided and safety is improved.

The invention discloses an injection device of a precision injection machine, and relates to the field of precision injection machines. The injection device of the precision injection machine comprises a sliding rail, a base, a base driving device, an injection pipe, a heating sleeve, a material feeding hopper, a screw rod, a shaft coupler, a screw rod driving device, a sliding seat and a sliding seat driving device. During material feeding and injection, counter-acting force on the screw rod is directly transmitted to the sliding seat through a convex ring and a large bearing, and is finally borne by the sliding seat driving device for injecting a material, so that the screw rod driving device only supplies rotating torque during use and not bears the axial pressure; therefore, the screw rod driving device is effectively protected, and the low-power screw rod driving device with lower energy consumption and smaller size is adopted according to the space requirement of a laboratory; and furthermore, an additionally arranged heat isolation hood can effectively avoid accidental scalding of an operator during material machining, so that the injection device is extremely high in use safety and reliability.

The invention provides a surface treatment process for a silica sol wax pattern of a valve casting. Working is completed by a base, a movable frame, a location bolt, a wrapping device, a circular ringgroup, a dual-purpose device, a cleaning device and an erection ring in a matching manner. The surface treatment process for the silica sol wax pattern of the valve casting is capable of solving theproblems that during manual wiping, residues need to be rapidly removed due to a high heat dissipation speed, however, rapid removal is difficultly realized by the manual wiping due to a high thermalization temperature, the case of scald possibly occurs in a wiping process, a distance between an electric drier and the wax pattern is difficultly determined when the wax pattern is heated by holdingthe electric drier with a hand, so that the case of a too low temperature or a too high temperature easily occurs, and when the wax pattern needs to be polished, the surface of the wax pattern is in athermalized state and difficultly moved, and polishing can only be carried out when the wax pattern is naturally cooled and hardened.

The invention provides a serving trolley with a heat insulation function. The serving trolley with the heat insulation function includes a shell, an inner shell, a liquid level sensor, a serving trolley handle, rear wheels, front wheels, a heating wire, a power source, a water adding mechanism, and a water draining mechanism, the serving trolley with the heat insulation function is characterized in that a heat insulation chamber containing foods is formed by enclosing the inner shell, a water storage chamber is formed between the shell and the inner shell, the serving trolley handle is arranged above the rear of the serving trolley, the two rear wheels are arranged below the rear of the serving trolley, the two front wheels are arranged below the front of the serving trolley, the water storage chamber is internally provided with the heating wire for heating water and the power source for providing electric energy for the heating wire, a water adding opening is formed in the rear of theserving trolley, a water draining opening is formed in the front of the serving trolley, the horizontal position of the water adding opening is higher than that of the water draining opening, the water adding mechanism is arranged at the water adding opening, and a water draining mechanism is arranged at the water draining opening.

The invention relates to a multi-station full-automatic hot press. A plurality of processing tables and a plurality of hot pressing devices in one-to-one correspondence with the processing tables arearranged on a frame in matrix form; feeding devices for feeding material to each row or column of the processing tables and conveying devices for conveying the material from the feeding devices to theprocessing tables are also arranged on the frame; avoidance passages allowing movement of the conveying devices and avoiding the processing tables are arranged among the processing tables. The multi-station full-automatic hot press has high automation level and can provide greatly improved production efficiency.

The invention relates to a multi-taste and easily-collected corn popper. The multi-taste and easily-collected corn popper comprises a storing box; a heating plate is used as a bottom plate of the storing box, and is a tapered plate which is downwards convex; a vertical discharging tube is glidingly mounted on the heating plate and penetrates through a tapered point end; a mixing bar is mounted on the top part of the storing box; vertical strip shaped seasoning boxes are fixed on the sidewall of the storing box; a feeding opening is formed in the upper end of each seasoning box, while a discharging opening is formed in the lower end of each seasoning box and extends to the side edge of the bottom plate; a feeding switch is mounted at the lower end of each seasoning box; a feeding window is formed in the sidewall of the storing box. With the adoption of the corn popper, popcorn can be easily and efficiently collected; the popcorn of various tastes can be continuously prepared; the prepared popcorn is uniformly coated with seasoning; meanwhile, the corn popper is convenient to clean.

The invention discloses a cup comprising a cup body. A hollow spiral tubular handle is arranged on the side face of the cup and communicated with the inside of the cup. By adoption of the cup in the technical scheme, the hollow spiral tubular handle can be heated, cold-heat convection is performed between water inside the handle and water inside the cup, and accordingly the water in the cup is warmed to reach a drinkable state; and heating of the cup of the structure is not limited by time and places.

The invention discloses a nerve monitoring bipolar minimally invasive instrument. The nerve monitoring bipolar minimally invasive instrument comprises a bipolar control pedal, a nerve monitoring stimulating current control pedal and a six-core plug-in. A first pedal micro control switch is mounted above the bipolar control pedal, a second pedal micro control switch is mounted above the position, on one side of the first pedal micro control switch, of the bipolar control pedal, a nerve monitoring stimulating micro control switch is mounted above the nerve monitoring stimulating current controlpedal, and a first signal output guide wire and a second signal output guide wire are mounted above the nerve monitoring stimulating micro control switch. According to the nerve monitoring bipolar minimally invasive instrument, in the use process of a bipolar high-frequency energy instrument, nerve monitoring is achieved, and high-frequency cauterization risks caused due to the fact that traditional operation pole nerve monitoring stimulating current and high-frequency energy output can hardly coexist and high-frequency energy overflows are solved.

The invention discloses an intelligent hearth and a heat preservation method thereof. The intelligent hearth comprises a hearth body, wherein N gas stoves are arranged on the rear row of the hearth body side by side, N is greater than or equal to 1, and a touch control system, a network communication assembly and a knob for controlling the gas stoves are arranged on the front row of the hearth body; the touch control system comprises a controller and a touch screen connected with each other; and the rest area of the hearth body is provided with electric heating insulation boards, and pressuresensors are arranged below the electric heating insulation boards. According to the intelligent hearth and the heat preservation method thereof, the placing position of food to be heated and a dinnerplate is accurately identified through the corresponding pressure sensor, and the touch control system outputs an indication signal for indicating which electric heating insulation board is used for storing the food to be heated and the dinner plate according to the first weight signal output by the corresponding pressure sensor, so that the electric heating insulation boards are regionally controlled so as to control the heating process.

The invention discloses an automatic hot melting device which comprises pipe fitting chucks, an ironing head, a power cabin and a holding handle, wherein the holding handle can be conveniently held bya worker; a built-in motor as a power source is arranged in the holding handle; a reversing switch for controlling the built-in motor is mounted on the holding handle; the power cabin is mounted at one end of the holding handle; the other end of the holding handle is connected with a power supply through a supply lead; the pipe fitting chucks are arranged on the two sides of the power cabin; theironing head is arranged between the pipe fitting chucks; the power cabin is used for controlling action of the pipe fitting chucks and the ironing head; the pipe fitting chucks are used for clampingpipe fittings; adjustable pipe clamps are arranged on the pipe fitting chucks; the ironing head is used for hot melting of the pipe fittings; the pipe fitting chucks clamp the pipe fitting and a pipeseparately, and then, the pipe fitting chucks are controlled to move towards the ironing head so as to carry out hot melting on the pipe fitting and the pipe, so that the problem in the prior art thatthe hot melting device is inconvenient to operate is effectively solved.

The invention relates to repairing equipment used for butyl inner tube and a using method, and belongs to the field of rubber tire manufacture. The equipment comprises an auxiliary mounting rack and an inner tube repairing part, wherein the auxiliary mounting rack comprises an operation table, a bracket beam and a lower cross beam; a sandbag and a backing plate are arranged on the surface of the operation table; the equipment is characterized in that the auxiliary mounting rack further comprises a spring plate, a combined rod of a handle, a clamping bar and a time controller; a flat plate is arranged at the combination part between the spring plate and a tubular connecting shaft; a shaft sleeve is arranged on the flat plate; the tubular connecting shaft is mounted in the shaft sleeve; springs are arranged between the flat plate and two clamping iron plates; a mica heating plate is arranged between the two clamping iron plates; a movable iron plate is further arranged at the bottom of each clamping iron plate. Through the adoption of the repairing equipment, the appearance of the butyl inner tube can be repaired, the qualification rate of the inner tube finished product is increased, the production cost of the inner tube is reduced, the economic benefit is increased, the structure is simple, and the operation is convenient.

The invention discloses a high temperature resistant stamped part transporting device. The device comprises wheels, a motor and a supporting column. A bottom frame is mounted above the wheels, and a high temperature resistant fiber layer is arranged inside the bottom frame. An asbestos layer is arranged inside the high temperature resistant fiber layer. A second hydraulic column is arranged insidethe supporting column, and the supporting column is located on the upper portion of the bottom frame. The second hydraulic column is in threaded connection with the supporting column. A connecting rod is mounted on the upper portion of the second hydraulic column, and lock screws are arranged in the connecting rod. The supporting column is in threaded connection with the connecting rod through the lock screws. According to the high temperature resistant stamped part transporting device, the high temperature resistant fiber layer and the asbestos layer are arranged, the high temperature resistant fiber layer reduces damage of a high temperature to the transporting device, it is guaranteed that the transporting device is used for a long time, the asbestos layer can be used for storing the high temperature produced by the stamped part into the transporting device, and a user is prevented from being scalded by the transporting device by accident when a stamped part is transported.

The invention discloses an incineration device for dry-wet separation treatment for domestic waste treatment, relates to the technical field of incineration devices, in particular to an incineration device for dry-wet separation treatment for domestic waste treatment, including a support base and a feeding propulsion device. The top of the support base is provided with a main shell, and the interior of the main shell is respectively provided with an incineration device and a feeding device, and the feeding device includes a fixed sleeve, a telescopic rod, a fixed seat and a movable block, and the telescopic rod The left end is provided with a fixing seat. The incineration device for domestic waste treatment uses dry-wet separation treatment, which greatly improves the performance of the whole device while increasing the structure. The improved equipment can incinerate different wastes during use, and the relatively wet waste can be dried. Re-incineration improves the incineration rate inside the equipment, and avoids the extinguishment of the internal flame caused by excessive moisture in the equipment as much as possible, effectively meeting people's use needs.

The invention relates to the field of garment steamers and accessories thereof, and discloses a telescopic hose and a garment steamer with the same. The telescopic hose is characterized in that an outer pipe is a telescopic thermal insulation net, an inner pipe is a corrugated telescopic hose, the telescopic heat insulation net is independently formed and sleeved outside the corrugated telescopichose, and the telescopic heat insulation net and the two ends of the corrugated telescopic hose are connected with each other through connectors. The telescopic hose disclosed comprises a fiber braided structure and a corrugated telescopic hose structure, due to the composite structure is adopted, the telescopic hose can automatically stretch and retract, the storage is simple, and the appearanceis attractive and concise; the bending resistance performance is good, pipe access is always kept unimpeded, air flow cannot be blocked by any angle bending, and water drop splashing cannot be caused;the telescopic ratio can reach 2-3 times according to actual requirements; and meanwhile, the steam quantity required by a current garment steamer can be reached.

The invention discloses a no-drilling-dirt base plate composite device for a high-precision positioning electronic circuit board. The device comprises an installation platform, a semicircular cabin is installed at one end of the top of the installation platform, a second bearing is installed at the central position of the bottom of the installation platform, a rotating pipe is installed at the inner side of the second bearing, a rotating disc is installed at the top end of the rotating pipe, a large gear is mounted at the bottom of the outer side of the rotating pipe, a first servo motor is mounted in the middle of the bottom of the mounting table, and a small gear engaged with the large gear is mounted at the output end of the first servo motor. Through cooperative use of the large gear, the first servo motor, the rotating disc, rolling wheels, a containing plate, limiting pins, the small gear, a composite assembly, connecting rods and partition plates, the whole device can conduct machining treatment on the circuit board all the time, no too long interval exists in the process, and therefore the machining efficiency of the whole composite device is greatly improved.

The invention discloses a spring recovery device. The device comprises a base body, a power motor is arranged in the base body, a protruding ring is fixedly arranged at the upper end of the base body,a second base body is arranged at the upper side of the base body, an annular groove is formed at the lower side of the second base body, a protruding ring is arranged in the annular groove in a sliding manner, a rotating cavity with an upward opening is formed at the upper side of the second base body, and a locking groove is formed in the wall body of the rotating cavity. By using the device, aspring to be treated can be straightened after being heated, the heated spring can be automatically straightened by arranging a reset mechanism, the device does not need manual straightening, accidental scald accidents caused by high temperature are avoided, the physical strength in an operator is saved, the device can adapt to extension springs with different lengths, the application range is wider, the spring extension treatment efficiency can be better improved, and the waste spring treatment cost can be better reduced.