39results about How to "With preheating function" patented technology

The invention relates to a spiral feeder, which comprises a motor, a decelerator, a motor frame, a liquor drainage valve, a spiral feeding shaft, spiral blades, a material channel and a shell and is characterized in that the motor is connected with the decelerator and the spiral feeding shaft in sequence, and the spiral feeding shaft is arranged in the material channel and the shell and is provided with the spiral blades along the axial line, and the upper part of the material channel and the lower end of the external shell is provided with a material inlet while the lower part is provided with the liquor drainage valve and a gas outlet, and the middle section of the material channel and the shell is provided with viewing ports while the upper end is provided with a gas inlet and a material outlet and the lower part is provided with the material inlet, and the motor frame is arranged under the material inlet and is provided with the motor and the decelerator. The spiral feeder with functions of speed controlling and preheating is characterized by small volume, high efficiency, good sealing, safe and convenient operation and low cost, and can be widely applied in the lifting and delivering work of materials.

The invention discloses an injection mold with the insert positioning function. The injection mold comprises an insert mounting part; the insert mounting part is provided with threaded holes and is arranged on a mold body in a threaded connection mode; an insert mounting groove is formed in the insert mounting part; an insert positioning part is arranged at the side edge of the insert mounting groove; a storage cavity is formed in the insert positioning part; a limiting ball and a spring are arranged in the storage cavity; the spring abuts against the limiting ball to enable the limiting ballto be in a working state; an electromagnet and a heating body are arranged in the insert positioning part; the electromagnet is electrified and then attracts the limiting ball so as to enable the limiting ball to be separated from the working state; after the heating body heats a heat conductive part, the heat is transmitted to the limiting ball through the spring so that a metal insert can be heated when the limiting ball works; a vent hole is formed in the bottom of the insert mounting groove and is connected with an air inlet part; and the air inlet part is connected to an air pump. Compared with the prior art, the injection mold with the insert positioning function has the advantages that the metal insert can be limited at a preset position, and therefore accidents caused by disengagement of the metal insert can be avoided.

The invention discloses an electric furnace system for electroslag metallurgy, comprising a crystallizer in a furnace shape and an electrode unit disposed on one side of the crystallizer. The lower end of the crystallizer is provided with a bottom water tank used for cooling. The electric furnace system further comprises an electrode preheater located on one side of the electrode unit; the electrode preheater comprises a shell; refractory insulating material is disposed within the shell, and the shell is centrally provided with a heating chamber which is vertically set, the upper end of which is open and which allows insertion of the lower end of an electrode; an inductive coil spirally and liftably around the heating chamber is buried in the refractory insulating material, forming a heater. The electric furnace system with a preheating function is high in smelting efficiency, good in safety, good in smelting effect, safe, efficient and energy saving; smelting quality of slag ingots is improved; the bottom water tank is convenient to maintain and change, maintenance cost is lower, and cooling efficiency is improved.

The invention discloses an injection mold which comprises an insert mounting part. The insert mounting part is provided with threaded holes and is mounted on the mold through a threaded connection manner. An insert mounting groove is formed in the insert mounting part. An insert locating part is arranged on the side edge of the insert mounting groove. A containing cavity is formed in the insert locating part. A limiting ball and a spring are arranged in the containing cavity. The spring abuts against the limiting ball so that the limiting ball can be in a working state. A heating body is arranged in the insert locating part. A prospect hole is formed in the bottom of the insert mounting groove. A hydraulic oil cavity is formed in the insert mounting part. The prospect hole is connected with the hydraulic oil cavity. An ejection block and a piston block are arranged in the hydraulic oil cavity. An ejection rod is arranged on the ejection block. The ejection rod can stretch out of the prospect hole, and therefore a metal insert is jacked up. The piston block is connected with a push rod, the push rod is driven by a motor to work, and therefore the piston block is driven to move. Compared with the prior art, according to the injection mold, the metal insert can be stably limited at a preset position, and the situation that the metal insert is separated, and consequently accidents happen is avoided.

The invention discloses a plate drying machine with the preheating function. The plate drying machine comprises a drying cabinet; the right side surface of the drying cabinet is provided with an exhaust pipe which communicates with an inner cavity of the drying cabinet; cabinet doors are arranged on two sides of the front surface and the back surface of the drying cabinet through hinges respectively; a partition plate which is vertically arranged and is welded to the inner wall of the drying cabinet is arranged in the middle of the inner cavity of the drying cabinet and divides the inner cavity of the drying cabinet into a drying cavity body and a preheating cavity body; and a first through groove communicating with the drying cavity body and the preheating cavity body is formed in the drying cabinet. The plate drying machine with the preheating function has the advantages that waste heat of hot air in the drying cavity body is discharged into the preheating cavity body for preheating plates, and therefore the waste heat can be fully utilized; due to the preheating effect of the exhaust pipe, the drying efficiency is high when the plates in the exhaust pipe are placed into the drying cavity body; and the shunting effect of second through grooves and the first through groove is utilized so that the bottom surfaces and the upper surfaces of the plates placed on rotating shafts can be heated, and therefore the drying efficiency can be improved.

The invention discloses an intelligent boiler of a coffee maker. The intelligent boiler comprises a water inlet pipe, and a steam boiler and a coffee boiler which are arranged independently, and the water inlet pipe penetrates the inner cavity of the steam boiler to communicate with the coffee boiler. According to the intelligent boiler, the steam boiler and the coffee boiler are arranged independently, and the water inlet pipe penetrates the inner cavity of the steam boiler to communicate with the coffee boiler, the intelligent boiler is allowed to have a preheating function and is free of steam and an operator can set steam pressure and the temperature of water freely on conditions that total capacity and the total power are not changed; the operator can know the current temperature of the water for making coffee; the coffee is easier to made in standardized, rapid and uniform manners; the intelligent boiler is simple in structure and practical.

The invention discloses a road roller and a water spraying system thereof. The water spraying system comprises a water tank, a water pump and a spraying device, and further comprises a preheating device, wherein the preheating device is arranged on a pipeline between the water pump and the spraying device, and is used for preheating the cold water sprayed by the spraying device; a water temperature control system is connected with the preheating device and is used for detecting the water temperature and controlling the flowing speed. The water spraying system provided with the preheating function can prevent cold water from being directly sprayed onto a vibration wheel of the road roller, so as to prevent the influence of vibration wheel on the pavement construction temperature, prevent the construction material from being stuck onto the vibration wheel to influence the construction quality and enhance the cleaning difficulty.

The invention provides a paper folding device for a corrugated carton. The paper folding device for the corrugated carton comprises a paper feeding mechanism, and a paper pressing mechanism and a paper folding mechanism which are arranged above the paper feeding mechanism. The paper pressing mechanism comprises a telescopic arm and a pressing plate connected with the telescopic arm. The paper folding mechanism is a folding mechanism working at 0-180 degrees and comprises guiding rods located on the two sides in the transverse direction, a pressing roller mounted on the guiding rods through sliding sleeves, and a transmission plate provided with power output and connected with the pressing roller. The pressing plate and the pressing roller have the preheating function. The paper folding device has the beneficial effects that corrugated paperboards can be folded by 0-180 degrees through the arranged paper folding mechanism, the application range is wider, the pressing plate and the pressing roller have the preheating function, and thus the corrugated paperboards can be rapidly folded, formed and shaped.

The invention discloses a battery string EL repair machine which comprises a machine frame, an NG string feeding and positioning mechanism, a Y-axis and Z-axis transferring mechanism, an EL detection mechanism, an interchange type double repair table mechanism, a battery string conveying mechanism, a foot-pad pedal and an EL displayer, and the Y-axis and Z-axis transferring mechanism is installed on the portion, above the NG string feeding and positioning mechanism, of the machine frame. The Y-axis and Z-axis transfer mechanism transfers the NG string to an EL detection mechanism arranged on the workbench for testing, the workbench on the front side of the EL detection mechanism is provided with an interchangeable double-repair-table mechanism for receiving NG products, and the workbench on the rear side of the EL detection mechanism is provided with a battery string conveying mechanism for receiving OK products. By means of the mode, NG battery strings are repaired, distinguished feeding can be conducted according to A/B strings, leads can be accurately pressed for detection, the repairing table has the preheating function, the upper repairing table and the lower repairing table are switched, and the repairing rhythm is guaranteed.

The invention discloses an electroslag smelting method. The electroslag smelting method is characterized in that two electrode devices are arranged beside a crystallizer and used for smelting in the crystallizer by turns, an electrode is installed on one electrode device and preheated when the other electrode device is used for smelting, an electrode of the electrode device used for smelting is moved away after smelting is completed, the preheated electrode is moved into the crystallizer for smelting after slag is fed again and the crystallizer is arranged well, and the process is repeated so as to achieve high-efficiency electroslag smelting. The electroslag smelting method has the advantages of high smelting efficiency and safety, excellent smelting effect, high efficiency, energy conservation, higher electroslag steel ingot smelting quality, great convenience in maintenance and replacement of the bottom water tank, lower maintenance cost and higher cooling efficiency.

The invention discloses a moving coil type high frequency booster pump. The moving coil type high frequency booster pump comprises an oil inlet, an oil cylinder, a piston rod, a piston, a magnetic conductive cover, a pump body, permanent magnets, an oil outlet, a first spring, a second spring, a power line, a wire winding frame, a coil, a bolt, a one-way valve and an oil return hole, wherein the oil cylinder is connected with the pump body through the bolt; the magnetic conductive cover is arranged at the end opening of the pump body; the magnetic conductive cover is connected with the pump body through a thread; the one-way valve, the oil inlet, the piston and the piston rod are arranged on the oil cylinder; the oil return hole is formed in the magnetic conductive cover; the one-way valve communicates with the pump cavity through the oil return hole in the magnetic conductive cover; the first spring is arranged on the piston rod in the pump cavity in a sleeving manner; one end of the first spring is connected with the wire winding frame; one end of the second spring is connected with the wire winding frame, and the other end of the second spring is connected with the bottom of the pump body; the permanent magnets are arranged on the inner wall of the pump body; and the coil is wound on the wire winding frame. According to the moving coil type high frequency booster pump provided by the invention, the linear electromagnetic driving method is adopted, the structure is simple, the weight is light, the control is convenient, the driving capability is high, and a higher pressure can be further produced.

The invention relates to the technical field of motor power measurement and calculation, and particularly discloses a motor power measurement and calculation system based on motor refrigeration. The system comprises an upper computer and a control panel. The upper computer is electrically connected with the control panel through a data acquisition card, and the control panel is electrically connected with a signal conditioning circuit, a relay, a flow sensor, a key and an indicator light; and the signal conditioning circuit is electrically connected with a voltage sensor, a current sensor anda temperature sensor, and the relay is connected with an electromagnetic valve, a water pump, a refrigeration fan and a heater. According to the invention, the heat power generated by motor operationis measured by using a cooling circulation system which must be adopted during motor operation, so that the motor operation power is calculated; the system also has a preheating function, and can preheat the motor when the environment temperature is too low, thereby reducing the wear of the motor, and guaranteeing the safe operation of the motor. Finally, a system which is low in cost, high in reliability and high in intelligent degree is formed.

The present invention relates to an electric driver for fluorescent lamp, comprising an input circuit for rectifying and filtering an inputted alternating voltage with certain amplitude and a power factor correction circuit for further amplifying the voltage rectified and filtered by the input circuit to obtain a stable DC voltage with higher amplitude. The electric driver further comprises an output circuit for receiving the DC voltage outputted from the power factor correction circuit as its operating power supply, and providing the fluorescent lamp with an output without input transformer and without output transformer.

The invention discloses an emulsion cosmetic production emulsification tank with a preheating function. The emulsion cosmetic production emulsification tank comprises an emulsification tank body, an emulsification assembly and a cleaning assembly; the lower end of the emulsification tank body is an inclined tank bottom; a plurality of electric heating devices are fixedly mounted below the inclined tank bottom; a feeding port is formed in the left side of the top of the emulsification tank body; an inner shell is arranged in the emulsification tank body; a motor cover and a first motor of the emulsification assembly are arranged at the top of the emulsification tank body; a flange connector, a stirring shaft and an emulsifying machine of the emulsification assembly are arranged in the emulsification tank body; and the cleaning assembly is arranged at the top of the emulsification tank body. According to the emulsion cosmetic production emulsification tank with the preheating function, the electric heating device is arranged and installed at the bottom of the inclined tank bottom; and before materials are added into the emulsification tank body, the electric heating devices are started through the control panel to preheat the bottom of the emulsification tank body, and then the emulsification tank body is used for processing, so that the emulsification efficiency is improved.

The invention relates to the technical field of medicinal material processing, in particular to a medicinal material drying device which comprises an oven and a conveying belt. The left side and the right side of the oven are each provided with an opening for the conveying belt to pass through. The top of the right side of the oven is provided with a hot air inlet. The bottom of the left side of the oven is provided with an air outlet. Carpet guide rollers for supporting the conveying belt are arranged in the oven. By means of the medicinal material drying device, a medicinal material can be rapidly dried; meanwhile the whole medicinal material drying device is simple in structure and low in cost; by further arranging partition plates, the hot air temperature is gradually increased in theconveying direction of the conveying belt, the medicinal material can be effectively dried and can also be slowly dried step by step instead of being directly dried at a high temperature, and the medicinal material drying device has a preheating function on the medicinal material and ensures the drying operation in the medicinal material.