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801 results about "Injection device" patented technology

The injection device is a device that causes the resin material to be melted by heat and then injected into the mold. The resin is extruded from the head into the barrel as shown, and the melt is conveyed to the front end of the barrel by the rotation of the screw. In that process, the resin material in the barrel is heated by the action...

Injection device with an end-of-dose indicator

ActiveUS12539366B2Automatic syringesMedical devicesInjected substanceInjection device
Provided is an injection device for injecting a substance, comprising a case receiving a barrel containing the substance to be injected and comprising a stopper movable inside the barrel, a plunger unit comprising a triggering portion, the plunger unit being coupled to the stopper and movable with regard to the case from an initial, proximal position to a final, distal position to inject the substance when the barrel is provided into the case, an end-of-dose indicator movable from a hidden position to a visible position in which at least one portion of the end-of-dose indicator is visible to a user, hiding means for locking the end-of-dose indicator in the hidden position and configured to be unlocked by the triggering portion of the plunger unit when the plunger unit reaches an indicator position.
Owner:BECTON DICKINSON FRANCE SAS

Experimental system and method for multi-stage acceleration and promotion of gas-liquid-solid three-phase reaction

The invention discloses an experimental system and method for accelerating and promoting a gas-liquid-solid three-phase reaction in a multi-stage manner, and relates to the technical field of reaction equipment and carbon emission reduction. The experiment system comprises: a reaction kettle provided with a visual window and an atomization device mounting groove; the floating type piezoelectric ceramic atomization device is embedded in the atomization device mounting groove; the gas injection device comprises a gas hole distribution pipe and a gas injection pump connected with the gas hole distribution pipe; uniformly distributed micropores are formed in the pore distribution pipe; the magnetic stirring device comprises a magnetic driving base, a rotating speed controller and a magnetic stirrer arranged in the reaction kettle; the magnetic stirrer is arranged above the air hole distribution pipe; the bracket net is arranged on one side, deviating from the air hole distribution pipe, of the magnetic stirrer; and the temperature control device comprises a constant-temperature bath and a temperature controller for controlling the temperature of the constant-temperature bath. The experimental system is compact in structural design, modularized, simple and convenient to operate, capable of efficiently accelerating the gas-liquid-solid three-phase reaction and suitable for various experimental studies.
Owner:SHENZHEN UNIV +1

Gas supply device, injection molding machine, and foam molding method

An injection device (2) of an injection molding machine (1) includes a heating cylinder (18) having a gas introduction port (30) and a screw (19), and a gas supply device (5) is connected to the gas introduction port (30). The gas supply device (5) includes a gas supply source (33) and a gas pressure regulating unit (34). The gas pressure regulating unit (34) regulates a gas pressure and supplies the gas when a gas from the gas supply source (33) is introduced into the gas introduction port (30). Specifically, the gas pressure is caused to change in a molding cycle and is increased to a high pressure in a metering process (61). That is, a pressure increasing period (71) in which the gas pressure increases at least partially overlaps with the metering process (61).
Owner:THE JAPAN STEEL WORKS LTD

Layered, partitioned and differentiated CO2 injection system and method for blast furnace

The invention discloses a layered, zoned and differentiated CO2 injection system and method for a blast furnace, and belongs to the technical field of ferrous metallurgy low carbon. The system comprises a CO2 supply and distribution system, a tuyere area injection module, a furnace body middle-lower part injection module and a furnace body upper part injection module. And according to the temperature gradient and atmosphere layering characteristics in the blast furnace, a differential CO2 distribution proportion and a collaborative thermal compensation strategy are adopted. An oxygen-CH4 synergistic injection device is arranged in a tuyere area, and rapid conversion of CO2 is promoted by using a high-temperature strong reducing atmosphere; a biomass charcoal synergistic injection device and an angle-adjustable nozzle are arranged at the middle lower part of the furnace body, so that efficient gasification reaction is realized; and low-concentration CO2 mixed injection is adopted at the upper part of the furnace body, so that indirect reduction reaction is promoted. According to the invention, the CO2 conversion rate is 65-80%, the coke ratio is reduced by 15-25%, the consumption of CO2 per ton of iron is 260-90Nm < 3 >, the carbon emission is obviously reduced, and the ironmaking efficiency is improved.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Rubber sealing plug molding raw material injection device

The utility model discloses a rubber sealing plug molding raw material injection device which comprises a working table, an extrusion mechanism is fixedly installed on the top of the working table, one end of the extrusion mechanism is fixedly connected with a feeding pipe, a heating sleeve is arranged outside the extrusion mechanism, and the heating sleeve is fixedly connected with the feeding pipe. The top of the extrusion mechanism is provided with a material storage mechanism for storing and discharging materials, the top of the material storage mechanism is provided with an anti-blocking mechanism for preventing the materials from being blocked, and the workbench is provided with a lifting mechanism for driving the material storage mechanism to move up and down. The extrusion mechanism can convey raw materials forwards, the conveyed raw materials are matched with the heating sleeve for heating, so that injection supply of the raw materials can be completed through the feeding pipe, and the storage mechanism can move up and down along with the lifting mechanism, so that the storage mechanism can be matched with the anti-blocking mechanism, and the raw materials can be conveniently conveyed. In this way, the small-size connection position of the material storage mechanism and the extrusion mechanism can be prevented from being blocked, and the continuity of raw material injection is guaranteed.
Owner:YIYANG HESHAN DISTRICT SENYU ELECTRONIC MATERIALS CO LTD

Vacuum hot pressing forming machine for silicone rubber production and forming method

PendingCN121316157AForced-airHeat energy
The invention provides a vacuum hot-pressing forming machine for silicone rubber production and a forming method, and relates to the technical field of silicone rubber production. The vacuum hot-pressing forming machine for silicone rubber production comprises a machine body, a hydraulic driving device, a rubber injection device, a vacuum adsorption device and an upper pressing head. By means of an innovative four-station circulation operation mode, synchronous operation of mold preheating, material forming, product cooling and finished product taking is achieved, the productivity in unit time is greatly improved, accurate temperature control is conducted on the forming mold through the directional forced air cooling technology, the cooling waiting time is greatly shortened, and meanwhile the production efficiency is improved. The cooling uniformity of all parts of a product is remarkably improved, waste heat generated in the cooling process is converted into mold preheating energy through an original heat energy recovery system, an energy closed loop in the production process is constructed, the problem that traditional equipment is high in preheating energy consumption is solved, and structural complexity caused by an additional heating device is avoided.
Owner:DONGGUAN NANJU POLYMER MATERIAL CO LTD

Injection system device capable of adaptively adjusting concentricity with inner hole of charging barrel

ActiveCN223801519UUniversal jointPiston rod
An injection system device capable of adaptively adjusting concentricity with an inner hole of a charging barrel comprises an injection rod and a piston rod connecting seat, a mounting groove is formed in the piston rod connecting seat, a universal adjusting seat with a universal ball groove is arranged in the mounting groove, and the injection rod extends into the mounting groove and comprises a spherical universal joint matched with the universal ball groove. The spherical universal joint and the universal adjusting seat form a universal adjusting mechanism, and the spherical height of the universal ball groove is smaller than the spherical radius of the universal ball groove; the injection device further comprises a locking structure which is arranged on the piston rod connecting base and used for locking the adjusted injection rod. According to the injection device, even if the locking performance of the locking structure becomes poor or fails after the injection device is used for a long time, the locking performance of the locking structure can still be recovered through readjustment, so that the relative fixation between the injection rod and the piston rod connecting seat is ensured, the injection device can be continuously used, and the service life of the injection device is prolonged.
Owner:YULONG PRECISION MASCH TECH (ZHEJIANG) CO LTD

Waterproof anti-falling infrared wireless controller and production process thereof

The invention discloses a waterproof and anti-falling infrared wireless controller and a production process thereof, and relates to the technical field of injection molds, a supporting column is arranged in an injection molding device main body, a servo motor, a rotating column, a connecting plate and an overturning template are mounted in the supporting column, an injection molding opening is formed in one side of the overturning template, and the rotating column is arranged in the supporting column; lower hydraulic cylinders are installed on the two sides in the injection molding device body, lower mold plates are arranged at the upper ends of the lower hydraulic cylinders, upper hydraulic cylinders are installed on the upper inner wall of the injection molding device body, upper mold plates are arranged at the lower ends of the upper hydraulic cylinders, air pumps are installed in the bottom ends of the supporting columns, the two ends of the air pumps communicate with air pipes, and one ends of the air pipes communicate with negative pressure plates. A plurality of negative pressure holes are formed in the surface of the negative pressure plate, a mounting plate is rotationally connected to one side of the lower end of the negative pressure plate, and a first hydraulic cylinder is mounted at the lower end of the mounting plate. According to the injection mold, injection molding and discharging work are separated, the working efficiency of continuous injection molding is improved, meanwhile, two times of injection molding work can be completed without disassembling the mold plate, and convenience is improved.
Owner:HUNAN HUAYUN ELECTRONICS CO LTD

Airtight test tool for arc-shaped combined sealing ring

The utility model discloses an arc-shaped combined sealing ring airtightness test tool, which relates to the technical field of airtightness test tools, and comprises a support frame, the support frame is fixedly connected with a telescopic rod, the telescopic rod is fixedly connected with a gas injection device, the gas injection device is fixedly connected with a first gas transmission pipeline, and the first gas transmission pipeline is fixedly connected with a second gas transmission pipeline. The first gas transmission pipeline is fixedly connected with an upper mold, the upper mold is provided with a first vent hole, the upper mold is fixedly connected with a sealing ring, the vent hole communicates with the first gas transmission pipeline, the inner wall of the side wall of the supporting frame is fixedly connected with a fixing plate, and the fixing plate penetrates through and is fixedly connected with four second gas transmission pipelines; and the tops of the four second gas transmission pipelines are fixedly connected with a lower mold. The four telescopic rods are arranged to be connected with the gas injection device, the first gas transmission pipeline communicates with the upper mold, the second gas transmission pipeline communicates with the lower mold, and the integrated design of the gas injection and detection structure is achieved.
Owner:NAFTAN TESTING & EVALUATION TECH SERVICE (QINGDAO) CO LTD

Concrete production dosing device

ActiveCN224391525UEasy to install, control and useEfficient and comprehensive feedingSold ingredients supply apparatusLiquid ingredients supply apparatusStructural engineeringInjection device
The utility model discloses a kind of concrete production quantitative material injection devices, it is related to concrete production field, including support main box, the two side edges of support main box are symmetrically welded with installation side strip, the side edge of support main box is fixedly connected with control panel, the bottom surface of support main box is fixedly connected with discharge valve body, the bottom end of discharge valve body is fixedly connected with drain pipe, the bottom surface of support main box is fixedly provided with solid material bottom block, the bottom end of solid material bottom block is fixedly connected with discharge pipe, the top surface of support main box is provided with storage channel, the inboard of storage channel is horizontally clamped with sealing cover, the top surface of support main box is vertically fixedly connected with top air cylinder, the side edge of support main box is inserted with transmission pipe body, the bottom surface of support main box is provided with bottom through-hole, under adopting integrated structure makes it convenient to install control use, simultaneously in solid-liquid integrated control quantitative feeding structure lets its feeding more efficient and comprehensive.
Owner:CHONGQING KAIZHOU DISTRICT XINHONGDA COMMERCIAL CONCRETE CO LTD

Monitoring system and monitoring method for micro annular space of underground cement sheath

The invention provides a monitoring system and a monitoring method for a micro annular space of an underground cement sheath. The monitoring system comprises a reaction kettle, a first injection device, a second injection device, a third injection device and a monitoring assembly, the interior of the reaction kettle is divided into a confining pressure cavity, a second annular cavity and a first annular cavity, the second annular cavity is arranged around the peripheral side of the first annular cavity, and the confining pressure cavity is arranged around the peripheral side of the second annular cavity. First liquid is injected into the first annular cavity through the first injection device to simulate the temperature and pressure in the casing pipe. Third liquid is injected into the confining pressure cavity through a third injection device, and the temperature and pressure in the stratum are simulated. And cement paste is injected into the second annular cavity through the second injection device to form a cement sheath. And the temperature information and the sound wave information of the cement sheath are monitored through the monitoring assembly, so that the expansion behavior of the micro annular space in the cement sheath in the low-temperature carbon dioxide injection process can be obtained.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Die-casting machines and molds for die-casting machines

We provide die-casting machines that enable shorter cycle times. [Solution] The die-casting machine of the embodiment comprises a fixed die plate, a movable die plate, a fixed mold held by the fixed die plate and including a casting port, a movable mold held by the movable die plate opposite the fixed mold, a closure block in which a portion is inserted into the casting port, a main block that forms a cavity between itself and the fixed mold into which molten metal can be filled, a first actuator that moves the closure block horizontally relative to the main block, a guide rod with one end fixed to the closure block and sliding horizontally relative to the main block, a clamping device that clamps the fixed mold and the movable mold together, and an injection device that fills the cavity with molten metal from the casting port.
Owner:SHIBAURA MASCH CO LTD

Oiling device for bentonite production

The utility model discloses an oil injection device for bentonite production, and relates to the technical field of bentonite production. The oil injection device for bentonite production comprises a mounting plate, an oil blocking mechanism and an oil injection mechanism, a fixing suite is fixedly mounted at the top of the mounting plate, an oil storage tank is arranged over the mounting plate, the fixing suite fixedly sleeves the outer surface of the oil storage tank, the oil injection mechanism is arranged on the oil storage tank, and the oil injection mechanism comprises a U-shaped fixing plate, a servo motor and a lead screw. A U-shaped fixing plate is fixedly installed on the outer surface of the oil storage tank, a servo motor is fixedly installed on the outer surface of one side of the U-shaped fixing plate, a lead screw is rotationally installed on the inner wall of one side of the U-shaped fixing plate, and a rotating shaft of the servo motor is in transmission connection with the lead screw. According to the oil injection device for bentonite production, through the oil injection mechanism, the metal push plate can be driven to move freely in the oil storage tank, automatic oil injection and resetting are achieved, a user can supplement oil conveniently, and the practicability of the device is improved.
Owner:SICHUAN YANZHI NEW MATERIALS TECHNOLOGY CO LTD

Automatic puncture administration injection device

The invention relates to the technical field of puncture injection, in particular to an automatic puncture dosing injection device which comprises an injection end and a driving end, the injection end comprises a percussion assembly and a clamping assembly, the driving end comprises a controller, a connecting assembly and a locking assembly, and an injector is connected to the percussion assembly through the locking assembly. The injector is moved to the puncture injection position, the percussion assembly is started to conduct puncture injection, and the connecting assembly is fixed through the locking assembly to keep the position and angle of the percussion assembly. Through the arrangement of the percussion assembly, after an injector is clamped inside by utilizing the clamping assembly, the position adjustment of the injector can be realized by holding the percussion bin, and the puncture dosing action can be realized by pulling the trigger, so that the smooth injector does not need to be held, and the handle part of the injector does not need to be manually pressed; therefore, the problem of hand fatigue caused by mass injection is avoided, and the problems that the injector falls off due to accidental collision, and the injector deviates during puncture administration are also avoided.
Owner:SUZHOU KEZHUO MEDICAL TECH CO LTD

Glue injection device for gear pump

The invention relates to the technical field of gear pumps, in particular to a glue injection device for a gear pump, which comprises an operation table and a glue injection machine, a fixing plate is fixedly arranged at the top end of the operation table, the glue injection machine is mounted in the center of the fixing plate, a positioning mechanism is fixedly arranged in the center of the table top of the operation table, and the positioning mechanism comprises a base plate; a fixing column is fixedly arranged at the top end of the base plate, a dispensing plate is assembled at the top end of the fixing column, feeding mechanisms are arranged on the two sides of the positioning mechanism and comprise main lifting assemblies, the main lifting assemblies are located on the left side of the positioning mechanism, and the top ends of the main lifting assemblies are connected with the front side of the left end of a transmission assembly. The gear pump can be conveniently moved, meanwhile, positioning can be conducted, a glue injection machine at the top end can conveniently inject glue, positioning time is shortened, labor burden caused by manual hand holding is reduced, physical output is reduced, efficiency is further improved, the interval time of glue injection of the gear pump is shortened, and production efficiency is improved.
Owner:HUAIAN WEILI PUMP TECH CO LTD

Automatic oil injection device in machining process of oil seal framework

The utility model belongs to the technical field of oil seal aggregate processing machinery, and relates to an automatic oil spraying device in an oil seal framework processing process, which comprises an oil spraying machine body, the oil spraying machine body comprises an outer cylinder, an inner cylinder is sleeved in the outer cylinder, a rotating shaft is mounted on the inner cylinder, a mounting seat is mounted at the upper end of the outer cylinder, and the upper end of the rotating shaft is positioned above the mounting seat. The rotating shaft is rotationally connected with the outer cylinder and the mounting base, a movable base is slidably connected into the mounting base, a speed reducer is mounted on the movable base, an input shaft is mounted on the speed reducer, the input shaft is connected with the rotating shaft through a driving unit, an avoiding groove is formed in a top plate of the mounting base, and a tightening groove is formed in the mounting base; the direction of the tightening groove is perpendicular to the direction of the receding groove, the input shaft can slide in the receding groove and the tightening groove, an adjusting unit is installed between the movable base and the installation base, when the input shaft is located in the tightening groove, the adjusting unit can fix the position of the movable base, and when the adjusting unit loosens the movable base, the movable base can slide along the receding groove to be disassembled.
Owner:SHANNING METAL MANUFACTURING (YANTAI) CO LTD

Injection device

An injection device comprising: a main body for receiving a syringe containing a medicament: and a drive mechanism within the main body and having a plunger driver movable through the main body. the drive mechanism comprising one or more drive springs that can be primed and released to move the plunger driver, the drive mechanism further comprising one or more damping elements of a resilient material for contacting the or each drive spring and thereby damp vibrations of the spring or springs following release.
Owner:OWEN MUMFORD

A contact lens injection mold rapid feeding equipment

The product relates to the technical field of contact lens processing, and provides a kind of contact lens injection mold rapid feeding equipment, the equipment includes arrangement device, for vibration arrangement and conveys injection mold.Transmission device, it is arranged at one side of arrangement device, for conveying injection mold.Clamping device, it is arranged at the output end of transmission device, for clamping and moving injection mold.Injection device, it is arranged at one side of clamping device, for injecting liquid raw material into injection mold.In which, clamping device moves injection mold to injection device.The equipment carries out injection mold transmission feeding through the mutual cooperation of arrangement device, transmission device and clamping device, improves processing efficiency, reduces artificial cost.
Owner:KAILEKANG PHARM TECH CO LTD

A bottle blowing apparatus

The utility model relates to the field of plastic processing especially a kind of bottle blowing device.The bottle blowing device includes injection device and blow molding structure;Blow molding structure includes base, the guide pillar is slidably installed on the base, the top of the guide pillar is fixed with upper mounting plate, the bottom of the upper mounting plate is equipped with blow needle, the guide pillar is slidably installed with lifting plate, the bottom of the lifting plate is equipped with upper die, and the upper die is used to clamp bottle blank;The top of the base is equipped with blank mould;The side of the blank mould is equipped with the feed inlet being communicated with the cavity, and the injection device includes screw rod, and the screw rod can be moved to be communicated with feed inlet;When lifting plate moves downward, injection device injects blank mould, and blow needle inserts blank mould and blows, to form hollow bottle blank.The utility model provides a kind of bottle blowing device with the advantage that it can keep pressure and supplement raw materials when blowing bottles, thereby improving the yield.
Owner:KE LAI WO DE (GUANG ZHOU) ZHI NENG ZHUANG BEI YOU XIAN GONG SI

Injection molding machine

PendingCN122094812AThe effect of proper temperature settingTemperature controlMolding machine
An injection molding machine (1) is provided with: an injection device (10) that melts a resin material by heating a cartridge (11) and injects the resin material from a nozzle (12); a plurality of heaters (15) that are disposed in the heating cylinder (11) and heat the resin material; a temperature control unit (117) that controls the temperature of each of the plurality of heaters (15) disposed in the heating cartridge (11); a monitoring data acquisition unit (113) that acquires monitoring data detected by the injection device (10) when the resin material is melted by the injection device (10); a molten state estimation unit (115) that estimates a resin molten state, which is the molten state of the resin material in the heating cartridge (11), on the basis of the monitoring data acquired by the monitoring data acquisition unit (113); and a temperature setting unit (116) that, on the basis of the molten state of the resin estimated by the molten state estimation unit (115), performs temperature setting when the temperature control of the heater (15) is performed by the temperature control unit (117) for each heater (15).
Owner:SHIBAURA MASCH CO LTD

A graphite mold casting equipment and process for titanium alloy castings

This invention relates to a graphite mold casting equipment and process for titanium alloy castings, specifically in the field of negative pressure suction casting. The graphite mold casting equipment for titanium alloy castings includes a melting chamber, a suction casting chamber, a mold, a suction casting pump, a protective gas injection device, a liquid flow monitoring system, an ultrasonic vibration system, and a water-cooled copper crucible fixed within the melting chamber. The lower end of the melting chamber is connected to the upper end of the upper cavity via the liquid flow monitoring system. The ultrasonic vibration system is fixedly installed in the lower cavity and detachably connected to the mold. In this design, the liquid flow monitoring system is triggered the instant the molten titanium alloy flows down, activating the suction casting pump and suction casting valve. The combination of negative pressure suction casting and liquid flow monitoring triggering achieves precise control of the melt filling, reduces human intervention errors, and improves process stability and controllability. After the melt is injected into the graphite mold, ultrasonic vibration is applied to the mold to assist in the dissipation of air bubbles within the melt and improve shrinkage cavities and porosity defects.
Owner:BEIJING INST OF TECH TANGSHAN RES INST +1

Injection device, molding machine and control method of a molding machine

ActiveCN116897087BMolding machineLiquid state
An injection device of an embodiment includes an injection cylinder including a rod connectable to a plunger, a piston fixed to the rod, a cylinder tube slidably housing the piston, a rod-side chamber in which the rod is disposed, and a head-side chamber disposed on an opposite side of the rod-side chamber from the piston, a hydraulic pump, a flow control valve that controls a flow rate of an operating fluid discharged from the rod-side chamber, an accumulator that increases a flow rate of the operating fluid supplied to the head-side chamber, and a control unit that controls the hydraulic pump, the flow control valve, and the accumulator to start supplying the operating fluid to the head-side chamber using the hydraulic pump in a state in which the flow control valve is closed when injecting a liquid material using the plunger, and to supply the operating fluid to the head-side chamber using the accumulator after the operating fluid in the head-side chamber reaches a predetermined pressure.
Owner:SHIBAURA MASCH CO LTD

Injection device and ground improvement method

By adding infiltration injection to the conventional high-pressure grouting method, it becomes possible to form large-diameter solidified bodies using suspended grout. Furthermore, it is possible to add injection material to excavated soil and reinject it, enabling ground improvement that is environmentally friendly and reduces CO2 emissions, while also providing a ground improvement method and injection device that can form larger solidified bodies that are lighter than conventional methods. [Solution] An injection device used in a high-pressure jet mixing method, comprising a guide pipe inserted into the ground, an injection inner pipe placed inside the guide pipe and used for injecting the injection material, and an opening / closing mechanism for opening or closing the space between the guide pipe and the injection inner pipe.
Owner:KYOKADO ENG CO LTD

An unlock prompt assembly and injection device

The utility model discloses an unlocking prompt assembly and injection device, wherein the unlocking prompt assembly comprises a trigger key, a shell and a knob; the trigger key is accommodated in the shell and has an abutting state and a separation state with the knob; the knob is partially accommodated in the shell, is clamped with the shell and can rotate relatively, and the outer wall of the knob is provided with a first matching part; the shell is provided with an accommodation space, the shell is provided with a locking mark and an unlocking mark, the second matching part is arranged on the inner wall of the shell and corresponds to the locking mark and the unlocking mark, the knob is in interference fit with the shell through the first matching part or the second matching part, the knob is deformed radially, and the first matching part can rotate between the locking mark and the unlocking mark. The unlocking prompt assembly and the injection device have the advantages of simple structure, reduced number of parts and components, simplified assembly process, locked trigger device, prevented mis-triggering, produced sound feedback and visual feedback simultaneously during use, improved operation convenience, and provided better safety protection.
Owner:SHENZHEN MEIHAO CHUANGYI MEDICAL TECH CO LTD

Universal plug injection mold

The application discloses a universal plug injection mold, comprising: a bottom plate, a plurality of positioning grooves of polygonal structure are formed in the bottom plate, a mold core capable of rotating to a predetermined direction on the positioning grooves is arranged on the positioning grooves and the bottom of the mold core is matched with the shape of the positioning grooves, a plug panel is used for fixing, a top plate is arranged on the mold core and is connected with the bottom plate, a plug rear cover injection groove is formed in the position corresponding to the mold core, and a plastic injection device is used for injecting the plastic to form a plug rear shell which is integrally connected with the plug panel rotating to the predetermined direction. Through cooperation of the rotatable mold core and the polygonal positioning groove, the same mold can produce plug rear covers of different angles (such as 0 DEG, 90 DEG, 180 DEG and the like), the number of molds required by manufacturers for adapting to the differences of global socket positions is greatly reduced, mold development costs (material, processing and maintenance fees) are directly reduced, meanwhile, production management processes are simplified and product market cycle is shortened.
Owner:ZHONGSHAN YUJIA ELECTRIC WIRES APPLIANCES CO LTD

Nitrogen degassing and refining agent injection device for aluminum alloy refining furnace

The utility model discloses a nitrogen degassing and refining agent injection device for an aluminum alloy refining furnace, which comprises a nitrogen tank, the right side of the nitrogen tank is communicated with a nitrogen conveying pipeline, the surface of the nitrogen conveying pipeline is movably provided with a flow control valve, and the right end of the nitrogen conveying pipeline is communicated with an injection pipe. According to the utility model, nitrogen introduction and refining agent injection are combined, and the adsorption effect of nitrogen bubbles and the chemical reaction of a refining agent are utilized, so that hydrogen and oxide inclusions in molten aluminum can be effectively removed, an Al2O3 film is decomposed, and the purification efficiency of the molten aluminum is remarkably improved; nitrogen and a refining agent can be evenly dispersed in molten aluminum, the contact area of bubbles and the molten aluminum is increased, the adsorption efficiency of the bubbles on oxide inclusions is improved, the nitrogen and the refining agent can be preheated through the heating sleeve arranged on the blowing pipe, the refining agent is prevented from caking or blocking a pipeline due to the too low temperature, and stable operation of the device is guaranteed.
Owner:SHANGRAO GUANGHUI TECHNOLOGY CO LTD

Scalable umbrella rib type supported fuel gas injection device and control method thereof

The invention belongs to the field of steel smelting, and particularly discloses a scalable umbrella rib type supported fuel gas injection device and a control method thereof. The device comprises a gas pipe, a blowing pipe, a blowing cover and a push-pull device. The blowing cover comprises a plurality of parallel supporting frames, telescopic rods connected with the adjacent supporting frames and foldable cover bodies connected with the adjacent supporting frames, and end plates are arranged at the two ends of the blowing cover. The injection pipe fixedly penetrates through the top of the cover body and is communicated with the gas pipe, and gas enters the material layer through the injection pipe. The injection cover sliding rails are arranged on the two sides of the sintering trolley correspondingly, the push-pull device drives the two ends of the injection cover to slide along the injection cover sliding rails correspondingly, space can be vacated for maintenance, and the fuel gas injection starting point position and the fuel gas injection covering length can be adjusted. According to the method, by controlling the fuel gas injection starting point position, the fuel gas injection coverage length and the fuel gas injection amount, the optimal production working condition can be guaranteed, and the production quality is improved.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

Outer circle polishing and oil spraying device

The utility model discloses an outer circle grinding and oil spraying device in the technical field of cylindrical outer circle grinding and rust prevention, which is characterized in that an oil spraying nozzle is arranged above or below a conveying roller, so that a workpiece is driven by the conveying roller to be ground and polished by a grinding unit and then continuously moves to an oil spraying range of the oil spraying nozzle, and the workpiece is prevented from being damaged. Protective oil is sprayed to the surface of a workpiece through the oil spray nozzles, meanwhile, the workpiece moves in the axial direction of the conveying rollers and rotates under driving of the conveying rollers, the oil spray nozzles can spray oil to the workpiece in all directions, the working procedures of workpiece grinding and polishing and protective oil spraying are integrated in the stroke of the same conveying unit, the intermediate transferring step is omitted, and the working efficiency is improved. The machining process is reduced, the machining efficiency is improved, meanwhile, the equipment cost is saved, meanwhile, the conveying rollers are used for driving the workpiece to axially move and rotate, the protective oil can be comprehensively sprayed to the workpiece without moving the oil spraying nozzle, the driving characteristic of the conveying unit is fully utilized, and the influence of the protective oil on the health of workers is reduced.
Owner:CHINA RAILWAY CONSTR HEAVY IND

A metal window frame adhesive injection device

This utility model discloses a glue-applying device for metal partition window frames, including a frame. A conveyor roller is mounted on the top of the frame, a positioning mechanism is mounted on the outer side of the frame, and a moving mechanism is mounted on the bottom of the frame. The moving mechanism includes a mounting plate, a drive motor B, a lead screw A, a sliding cross plate, and a mounting bracket. A limit mechanism is mounted on one side of the mounting bracket, an adjustment mechanism is mounted on the top of the mounting bracket, and a glue-applying mechanism is mounted at the bottom of the adjustment mechanism. The conveyor roller transports the metal partition window frame, the positioning and limit mechanisms work together to automatically position the metal partition window frame, the moving and adjustment mechanisms provide omnidirectional adjustment of the glue-applying mechanism, and the glue-applying mechanism performs omnidirectional glue-applying operations on the metal partition window frame. This replaces manual operation, reduces labor costs, and improves the automation and efficiency of the glue-applying operation.
Owner:HUAIBEI KEYUE DOOR IND CO LTD

A continuously self-priming pump

The application discloses a kind of continuous self-bleeding self-suction pumps, it is related to self-suction pump technical field, including main body, the upper portion of the main body is provided with self-suction tank, the top of the main body is equipped with steam jacket heat tracing, the upper end of steam jacket heat tracing is equipped with injection device, the lower end of self-suction tank is provided with sealing device, the middle of sealing device is equipped with pipeline, the bottom of pipeline is equipped with fixing device, the right end of fixing device is provided with ground tank, the upper end of ground tank is equipped with nitrogen pressure exhaust pipeline device.The application is fixed on the upper end of steam jacket heat tracing by outer frame, then connects steam pipe line by the pipe joint of right end, exhausts gas in ground tank to expansion pipe, carries out gas expansion, exhausts the gas after completion of expansion to mixing chamber, makes it mixed jet pump, then is discharged by nozzle, without manual filling pump.Again by the pipeline cavity of through frame inner cavity through connecting pipeline.
Owner:海南华盛新材料科技有限公司