178 results about "Continuous injection" patented technology

The invention provides additive manufacturing equipment and method for a magnesium alloy liquid continuous injection molding annular part, and mainly relates to the field of metal material additive manufacturing equipment. The invention discloses additive manufacturing equipment and method for a magnesium alloy liquid continuous injection molding annular part, and the additive manufacturing equipment comprises a crucible smelting assembly arranged in an upper vacuum cavity, a liquid injection printing assembly which is arranged in a lower vacuum cavity and communicates with the crucible smelting assembly, and a controller. A three-dimensional motion platform located below the liquid jet printing assembly is arranged in the lower vacuum cavity, and an annular mold with an opening in the top face is arranged at the top of the three-dimensional motion platform. The device has the beneficial effects that the hollow graphite ring piece and the nozzles distributed in an annular array mode are adopted, uniform spraying of magnesium liquid to the annular mold is achieved, the forming efficiency and the quality stability are improved, and the device is particularly suitable for manufacturing large-diameter annular pieces.

The invention relates to the technical field of blood purification, in particular to an anticoagulation pump which comprises a bottom plate, an injection pushing mechanism and a liquid medicine feeding mechanism, a hemodialysis machine is fixedly installed on the upper side of the bottom plate, a blood drawing pipe is fixedly arranged on one side of the hemodialysis machine, and an infusion tube is fixedly arranged on the other side of the hemodialysis machine; a round seat frame and a box body are fixedly connected to the upper side of the bottom plate, an injector is clamped in the round seat frame, heparin can be supplemented to the injector through the injection pushing mechanism, the injector, the box body and a piston rod, heparin can be continuously injected, blood is prevented from being coagulated in the hemodialysis machine, and the hemodialysis efficiency is improved. The hemodialysis purification device has the advantages that smooth flow of blood is guaranteed, the injector does not need to be replaced, time and labor are saved during operation, long-time interruption of heparin injection is avoided, improvement of the anticoagulation effect of hemodialysis purification is facilitated, the hemodialysis purification process can be smoothly performed, and meanwhile, the working efficiency of the anticoagulation pump is improved.

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.

The utility model relates to the technical field of fuel cell bipolar plate preparation, and provides a forming device and a fuel cell bipolar plate sealing structure forming system. The forming device disclosed by the utility model is used for forming the sealing rubber strip on the bipolar plate for the fuel cell, and comprises a rubber injection machine, a cold runner module and a forming mold which are connected in sequence, wherein a rubber runner and a cooling liquid channel for cooling the cold runner module are arranged in the cold runner module, one end of the rubber runner is connected with a rubber injection machine, the other end of the rubber runner is connected with an injection nozzle, and the cooling liquid channel is connected with a mold temperature controller; the forming mold can define a cavity for forming the sealing rubber strip together with the bipolar plate during mold closing, and the cavity is communicated with the injection nozzle. According to the utility model, the glue material can be prevented from being solidified in the runner, the continuous injection operation can be realized, and the production efficiency can be improved.

The invention discloses a battery cover machining technology. The battery cover machining technology comprises the following steps that S1, a hardware stamping die is adopted for conducting continuous stamping on a hardware material to obtain a hardware material strip; s2, the hardware material belt is cleaned; s3, the hardware material belt is moved to an injection molding machine to be subjected to continuous injection molding; s4, each hardware injection molding workpiece is detected, and the positions of good products and defective products are recorded and fed back according to the detection result of each hardware injection molding workpiece; s5, the non-defective hardware injection molding workpieces on the hardware plastic material belt are subjected to continuous punching according to feedback of the detection mechanism; s6, the collected good hardware injection molding workpieces are cleaned; and S7, the cleaned good hardware injection molding workpiece is packaged. Thus, batch production and detection of products are achieved, traditional single manufacturing and detection of each hardware are omitted, meanwhile, the hardware is cleaned after hardware punch forming, oil stains on the surface of the hardware are avoided, subsequent injection molding operation is facilitated, and the yield of the products is increased.

The invention discloses a metal powder continuous injection molding machine, and relates to the technical field of metal powder molding, the metal powder continuous injection molding machine comprises a placing plate, first aluminum profile frames are fixedly arranged at the corners of the upper surface of the placing plate, and a supporting panel is fixedly arranged at the top ends of the first aluminum profile frames; a second aluminum profile frame is fixedly arranged on the edge side of the upper surface of the supporting panel, a flow guide box is fixedly arranged in an inner cavity of the supporting panel, a feeding port penetrates through the top of the outer surface of the flow guide box, and a stable installation and operation platform is provided for the whole injection molding machine through the arrangement of the containing plate and used for bearing a mold below and guaranteeing horizontal positioning of the mold. By arranging the first aluminum profile frame and the second aluminum profile frame, a modularized, light-weight and high-rigidity main body supporting frame of equipment is jointly formed, and the first aluminum profile frame bears main vertical loads. And the effect of preventing the metal powder from being blocked in the injection process is achieved.

The present invention relates to the field of injection molding equipment, specifically an injection molding equipment for the production of electric cover plates and a method of use, comprising an injection molding machine bracket, the inner bottom surface of the injection molding machine bracket is fixedly connected to a transmission motor, the rotating end of the transmission motor is fixedly connected to a turntable, both sides of the inner wall of the injection molding machine bracket are fixedly connected to slide bars, the middle of the slide bars is slidably connected to a support tube, and an adjustment mechanism is movably connected between the surfaces of the two support tubes and the top of the turntable. This injection molding equipment for the production of electric cover plates is composed of an adjustment mechanism and a material discharge switching mechanism; through the coordinated use of components such as the injection molding machine bracket, the feeding dragon pipe and the adjustment mechanism, during the operation of the adjustment mechanism, the cover plate concave mold and the cover plate convex mold at the front and rear sides of the injection molding machine bracket are staggered to cooperate with the feeding dragon pipe for injection molding, and this staggered injection molding method can achieve continuous injection molding production and improve work efficiency.

The invention provides a continuous injection paraffin control device and method.The continuous injection paraffin control device comprises a ground injection device, an oil pipe hanging device and an underground chemical injection pipe string, the ground injection device comprises a chemical injection device and a pump truck injection device, outlets of the chemical injection device and the pump truck injection device are communicated with a wellhead, and an inlet of the oil pipe hanging device is communicated with the wellhead; an outlet of the oil pipe hanging device is communicated with an inlet of the underground chemical injection pipe string, an outlet of the underground chemical injection pipe string is communicated with an underground annulus, the underground chemical injection pipe string comprises a continuous injection oil pipe, and the continuous injection oil pipe is a continuous oil pipe with the outer diameter ranging from 25.4 mm to 50.8 mm. The small-size continuous injection oil pipe is arranged in the original well oil pipe, the paraffin inhibitor is sent to the specific depth of the oil pipe column through the small-size continuous injection oil pipe, the paraffin inhibitor reacts with the paraffin in the condensate oil, and the paraffin inhibition effect is achieved.

The utility model discloses an electric automobile motor iron core with low magnetic flux loss, which relates to the technical field of motor accessories and comprises an iron core main body, a plurality of groups of first punching sheets, a plurality of groups of second punching sheets and a plurality of groups of sealing caps. A plurality of groups of first injection grooves are formed in the outer walls of the two sides of the first punching sheet around the axis in an equal-angle array mode. According to the utility model, a plurality of groups of first punching sheets and second punching sheets are stacked by using a positioning tool, a plurality of groups of positioning blocks are inserted into positioning holes for limiting and fixing, after the iron core main body is stacked, the first through holes are communicated to form a through cavity, and the inner wall of the first through hole at one side is connected with a sealing cap; a binder is injected into the first injection groove and the second injection groove from the other side through the first through hole by using high-pressure glue injection equipment, the binder expands the punching sheets on the two sides due to continuous glue injection, injection is stopped after corners overflow, the redundant binder is scraped off, the first through hole and the first through hole on the other side are sealed by using a sealing cap, rapid bonding of the punching sheets is completed, and the coating efficiency is improved.

The invention relates to the technical field of pile foundation construction, in particular to a rotary drilling construction method for a building pile foundation, which comprises the following steps of: performing rotary drilling by using a rotary drilling pile machine, manufacturing a rotary drilling pile assembly, injecting wall protection slurry into a drilled hole, discharging the drilled hole, circulating the wall protection slurry, and putting a rotary drilling pile well into the drilled hole of the rotary drilling hole. And meanwhile, wall protection slurry continues to be jetted into the inner side and the bottom of the drilled hole, a first hydraulic rod and a second hydraulic rod are driven to take out a slag removal assembly of the rotary excavating pile assembly from the drilled hole, the slag removal assembly is put into the rotary excavating hole after being cleaned up, the operation is repeated for multiple times till sediment removal in the hole meets the standard, the slag removal assembly is taken out, and concrete is poured. Through the slag removal assembly and a hydraulic linkage operation mechanism such as an upper connecting rod, a lower connecting rod and an arc-shaped plate, mechanization and automation of sediment removal operation are achieved, the arc-shaped plate can be accurately controlled to be opened to contain and receive sediment or be closed to facilitate lifting, and in-situ and multi-frequency removal is conducted on the sediment on the hole wall and the hole bottom in cooperation with a hydraulic rod.

The application discloses a kind of injection valve control method, equipment and vehicle, it is related to engine field, can determine out injection valve execution strategy according to the current operating condition of engine.According to injection valve execution strategy, determine the number of first injection valve that needs to start injection in the working cycle of engine, and the number of second injection valve that does not need to start injection.Further, the injection mode of the first injection valve that needs to start injection is determined as: continuous injection mode or partial injection mode.Based on this, select the first number of first injection valve from all injection valve, and control each first injection valve to execute injection operation according to corresponding injection mode.Thereby, according to the different fuel demand of engine under different working conditions, the number of full-time continuous injection, partial continuous injection and non-injection injection valve in working cycle is adjusted, to ensure the uniformity of fuel injection in cylinder, improve the mixing uniformity of fuel and air.

The utility model relates to the technical field of gas conveying devices, in particular to a serial continuous injection conveying device. According to the technical scheme, the feeding device comprises a sending bin pump and a feeding machine connected to the output end of the sending bin pump, the output end of the feeding machine is connected with a material conveying pipe, a feeding machine motor is arranged on one side of the feeding machine, the feeding device further comprises a discharging bin pump connected to the input end of the sending bin pump, and a weighing sensor is arranged on the discharging bin pump; the output end of the gas compressor is connected with a gas pressure conveying pipe, and the gas pressure conveying pipe is connected with the material conveying pipe. The feeding bin pump is arranged at the input end of the sending bin pump, so that materials can be quantitatively supplemented into the sending bin pump according to requirements; by arranging the first branch pipe, the air pressure in the sending bin pump can be kept the same as the air pressure in the material conveying pipe, materials are prevented from flowing back into the feeding machine under the pneumatic action of the pneumatic conveying pipe, and the abrasion condition of the feeding machine is avoided; continuous conveying can be achieved, and the sending speed can be controlled through the feeding machine.

The injection mold comprises an upper mold assembly and a lower mold assembly, the upper mold assembly comprises an upper mold plate, an upper mold core and a driving part, the upper mold plate is provided with an upper mounting cavity, the upper mold core is movably arranged in the upper mounting cavity, and the driving part can drive the upper mold core to be switched between a first station and a second station; the upper mold core is provided with a first injection molding concave part, a second injection molding concave part and a plurality of third injection molding concave parts, the first injection molding concave part is provided with a first flow intercepting surface, the first injection molding concave part is communicated with the third injection molding concave parts, the second injection molding concave part is provided with a second flow intercepting surface, and the second injection molding concave part is communicated with the third injection molding concave parts; the lower mold assembly comprises a lower mold plate and a lower mold core, the lower mold plate is provided with a lower mounting cavity, the lower mold core is fixedly arranged in the lower mounting cavity, the lower mold core is provided with a plurality of injection molding convex parts, the injection molding convex parts can be inserted into the first injection molding concave part, the second injection molding concave part and the third injection molding concave part, and injection molding is repeated for multiple times, so that a longer injection molding part can be obtained; and the production efficiency is greatly improved.

The invention belongs to the technical field of oil field scale prevention, and provides a high-pressure oil and gas well scale prevention device based on underground continuous filling and an installation method, and the high-pressure oil and gas well scale prevention device comprises a penetrable packer, a capillary tube, an oil tube, a sleeve and a ground unit; the oil pipe is positioned in the sleeve; the casing pipe extends to an underground oil reservoir from the ground; and the penetrating packer is arranged in an annular space between the oil pipe and the sleeve. According to the device, the capillary tube is tripped into the well by modifying the packer and the tubing hanger, quantitative, accurate and continuous filling of the scale inhibitor of the well with the packer is achieved in combination with a ground dosing system, the capillary tube blocking risk is reduced by configuring the high-pressure filter and the device material selection and agent screening process, and meanwhile, the service life of the capillary tube is prolonged. By adopting the single-flow filling head and the check valve, the problem of scale inhibitor backflow possibly caused by high pressure of a gas well is solved, the reliability of the device is ensured through the synergistic effect of the aspects, the scale prevention problem of a high-pressure oil and gas well shaft is solved, and efficient and safe production of an oil field is ensured.

The invention discloses an egg continuous injection device with a positioning clamping groove, belongs to the technical field of egg processing equipment, and solves the problems of low injection precision, incapability of continuous operation, high egg breakage rate and poor injector adaptability of the existing device. The device comprises a conveying assembly, an injection assembly, a feeding assembly and a discharging assembly, the conveying assembly comprises a conveying belt body and an egg groove with an arc-shaped egg support, the injection assembly is provided with an upper clamping groove positioning injector and a lower clamping groove positioning injector, a sliding table is provided with a lower sliding groove, and a lower installation block is in sliding fit with the lower sliding groove to achieve vertical fine adjustment. The feeding assembly and the discharging assembly are communicated with the conveying belt body through inclined sliding ways. According to the egg injection device, continuous and automatic egg injection is achieved, positioning is accurate, the egg body breakage rate is low, the injector adaptability is high, replacement is convenient and fast, and the egg injection device is suitable for batch injection of various eggs.

The invention relates to the field of part injection molding, in particular to an injection molding device for a copper heat dissipation part with a plurality of long and thin holes and a manufacturing method, and solves the problems of splitting injection molding parts and realizing continuous injection molding of the parts. The injection molding device comprises a base, a fixed box is mounted on the base, and a conveying belt is arranged in the fixed box; and the injection molding part is composed of an injection molding frame and an injection molding box, and the injection molding box slides on the injection molding frame. According to the device, automatic injection molding of metal powder can be achieved, meanwhile, automatic continuous manufacturing is achieved under the action of the conveying belt, when complex parts are split for injection molding, a binder is removed after blanks are formed, the blanks are sintered, the blanks are highly compact to form metal products, and integrated sintering is achieved; the phenomenon that bubbles are generated in the mold during injection molding can be avoided, and the phenomena that the mold cannot be used and is damaged after molding are prevented.

The invention provides a DPF active regeneration control method, system and equipment based on urea injection time sequence optimization and a medium, and belongs to the technical field of automobile control. The method comprises the steps that S1, whether DPF active regeneration needs to be started or not is judged, and when it is judged that DPF active regeneration needs to be started, the exhaust temperature is increased to the target regeneration temperature range in a fuel oil post-injection mode; s2, after the exhaust temperature is increased to the target regeneration temperature range, a urea injection mode is controlled to be switched from a preset continuous injection mode to a preset intermittent pulse injection mode; and S3, when the active regeneration of the DPF is finished and the exhaust temperature is reduced to be below a normal temperature threshold value, the urea injection mode is switched back to a preset continuous injection mode from a preset intermittent pulse injection mode. The problem of urea crystallization under a high-temperature regeneration condition is effectively avoided.

This utility model relates to a multifunctional antistatic agent feeding device capable of continuous injection and precise metering, comprising: an antistatic agent dilution tank for receiving and mixing a high-viscosity first antistatic agent and a diluent to form a first antistatic agent diluted solution; a nitrogen generator connected to the antistatic agent dilution tank for bubbling and deoxygenating the first antistatic agent diluted solution; an antistatic agent feeding tank connected to the antistatic agent dilution tank for receiving the deoxygenated first antistatic agent diluted solution or directly receiving a second antistatic agent; a stirrer disposed within the antistatic agent feeding tank for maintaining solution homogeneity; and a metering pump connected to the antistatic agent feeding tank for precisely metering and delivering the antistatic agent solution to the reactor. Compared with the prior art, this utility model has advantages such as achieving precise metering and continuous feeding; multifunctional compatibility, adapting to antistatic agents with different properties; and improved reaction safety.

The invention provides a papermaking machine white water recycling treatment device, and relates to the technical field of wastewater treatment.The papermaking machine white water recycling treatment device comprises a treatment pond, a pushing mechanism, an oxygen injection assembly and a butt joint mechanism, a bottom plate is arranged at the bottom of the treatment pond and used for dividing the interior of the treatment pond into two spaces, and the pushing mechanism is installed at the bottom of the bottom plate and used for pushing the oxygen injection assembly into the two spaces; a motor is mounted at one end of the pushing mechanism, the motor is in threaded connection with the bottom of the side edge of the treatment pond, an oxygen injection assembly is inserted into the surface of the bottom plate, and a plurality of partition plates are arranged on the inner side of the treatment pond. The device can ensure that the injected wastewater can slowly and continuously flow in the same treatment tank, and the purposes of oxygen injection and microbial decomposition and purification are achieved in the flowing process, so that the wastewater can be continuously injected in the recovery treatment process of the papermaking machine white water, and continuous discharge is achieved; injection and discharge in batches are not needed, and the purification process is more efficient and convenient.

The present invention provides a multifunctional injection system with sustainable liquid injection. The system includes an injection pump and two stirring assemblies connected by pipelines. The two stirring assemblies are symmetrically located on both sides of the injection pump and are connected to the injection pump through pipelines. The stirring assembly includes an injection valve, a vent valve, a stirring intermediate container whose top is connected to the injection valve and the vent valve through pipelines, a vacuum valve and an air pressure valve connected to the bottom of the stirring intermediate container through pipelines, and a liquid outlet valve and a liquid replenishing valve connected to the vacuum valve and the air pressure valve through pipelines. The injection valves at the top of each of the two stirring assemblies are connected by pipelines, and the liquid outlet valves at the bottom of each of the two stirring assemblies are connected by pipelines. A stirring outlet is provided between the two liquid outlet valves, and the injection pump is provided between the two injection valves. The present invention has the advantages of not needing to be shut down at night, thereby improving the work efficiency of the core displacement experiment. It has the function of uninterrupted injection without manual supervision and automatic metering of the injection volume, and has the advantages of saving manpower and being intelligent.

The invention discloses an automobile seat multifunctional integrated armrest precision injection molding device which comprises a base, two sets of stand columns are symmetrically installed at the top of the base, a fixing plate is fixedly installed at the top ends of the two sets of stand columns, and an electric push rod is fixedly installed at the top of the fixing plate. The movable end of the electric push rod penetrates through the fixed plate and is fixedly provided with a movable plate, the movable plate is slidably connected with the two sets of stand columns, upper molds are symmetrically installed at the bottom of the movable plate, injection molding pipes are symmetrically connected to the top of the movable plate in a penetrating mode, and the injection molding pipes are connected with the upper molds in a penetrating mode; a lower mold is fixedly mounted below the two upper molds at the bottom of the base; by means of the structure, when the seat armrest shell is subjected to continuous injection molding machining, the demolding work of the shell can be automatically completed by lifting the upper mold, the shell can be conveniently taken out after being formed, the continuity of injection molding machining can be guaranteed, and the working efficiency of shell injection molding can be improved.

The invention discloses a heat balance injection molding method based on induction heating-traditional temperature control fusion, and belongs to the technical field of plastic processing. In order to solve the problems that in the heating process of a traditional injection mold, heat lag is obvious, energy consumption waste is serious, and temperature field control of a single heating mode is insufficient, the technology achieves dynamic stability of a mold temperature field through the cooperation mode of mold temperature controller basic temperature control and temperature rise provided through induction heating in combination with dynamic heat balance in a continuous injection molding period. The method comprises the specific steps of mold basic temperature preheating, induction heating parameter adaptation, continuous injection molding heat balance maintenance and process parameter dynamic optimization. The method has the advantages of feasibility and energy conservation, and a new scheme is provided for consumption reduction in the injection molding industry.

The invention discloses a center fixed mold surrounding type multi-station continuous injection molding system and a control method thereof, and belongs to the technical field of injection molding equipment. The system comprises: a base; the annular guide rail is mounted above the machine base; the fixed mold unit is fixedly arranged in the center of the annular guide rail; the at least three movable mold units are arranged on the annular guide rail in a sliding manner and are distributed at intervals in the circumferential direction; the rotary driving mechanism is used for driving the movable mold unit to rotate in a stepping manner; the positioning and locking mechanism is used for locking the movable mold unit located at the forming station; the manipulator is mounted on the side of the machine base; and the station control unit is used for controlling the linkage time sequence of each component. By means of the layout that the fixed mold is fixed to the center and the movable mold rotates around the center, parallel operation of injection molding and auxiliary working procedures such as part taking and part embedding is achieved, the auxiliary waiting time is eliminated, and the equipment utilization rate is greatly increased; and meanwhile, the device has the advantages of small rotation inertia, simple butt joint, convenience in maintenance and the like.

The invention relates to an injector handle, a veterinary electric injector and a continuous injection method. The syringe handle comprises a holding straight pipe, a switch base, a communicating piece and a disposable needle. The overall shape of the syringe handle is like a dagger, and puncture force application is facilitated; fingers can be put on the button switch in the puncture process; when the syringe handle is subjected to resistance of livestock skin during puncturing, the button switch can be pressed down in time, so that the liquid medicine is started to be conveyed; the veterinary electric injector further comprises a front shell part, a rear shell part, a hose and a first connecting screw. The electric injector for livestock can realize continuous and accurate liquid medicine injection, and is suitable for large-scale popularization in farms; the continuous injection method is easy to operate, puncture and liquid medicine injection are completed at a time, and the injection efficiency is improved.

The invention relates to the technical field of jam mixing, in particular to a jam mixing device which comprises a mounting frame, a mixing pipe is arranged on the mounting frame, and the mixing pipe is connected with one end of a feeding pipe. Jam flows into a mixing pipe through a feeding pipe through a main pipeline, jam to be mixed enters a pumping shell from a storage hopper through a connecting pipe, a driving piece drives a driving column to rotate, when sliding grooves distributed in a sine rule enable the driving column to rotate, sine motion with 120-degree phase difference of three piston pumps is achieved through the sine sliding grooves and equal-interval arrangement, and the jam is mixed. Through superposition of three sine flow waveforms, original strong single-piston pulsating flow is converted into highly stable and almost continuous fluid to be output, the mixing quality, metering precision, equipment stability and reliability are improved, the problem that a traditional single-rod piston pump is uneven in mixing is effectively solved, continuous injection and sufficient diffusion of jam to be mixed are achieved, and the jam mixing efficiency is improved. The product quality consistency is improved, and the material waste and the equipment maintenance cost in the production process are reduced.

The present invention discloses a method and system for injection and production based on the amount of carbon dioxide stored during oil recovery, relating to the field of carbon dioxide recovery in low-permeability oil reservoirs. The method comprises: establishing numerical models for injection and production coupling and continuous injection and production in a five-point well pattern based on actual data from oilfields and mines; determining a target injection and production method based on injection and production process parameters obtained through simulation tests at the same carbon dioxide injection rate within a set period; determining a target injection and production half-cycle ratio and a target injection and production cycle based on injection and production process parameters obtained through simulation tests at different injection and production half-cycles within a set period using the numerical model corresponding to the target injection and production method; and determining a carbon dioxide injection rate at which the carbon dioxide storage amount is maximized based on injection and production process parameters obtained through simulation tests at the target injection and production half-cycle ratio and target injection and production cycle using the numerical model corresponding to the target injection and production method. The present invention can improve oilfield recovery efficiency.

The utility model discloses a continuous injection pushing mechanism which comprises a basic medicine feeding mechanism filled with basic medicine and conveyed to the skin surface of an animal through a bottom rubber plug and a connecting pipe, a medicine adding mechanism comprises a spine head, the spine head penetrates into a rubber belt at the bottom of the basic medicine feeding mechanism, an inner medicine barrel is fixedly connected to the spine head, and the inner medicine barrel is connected with an outer medicine barrel. A sliding block is fixedly connected to the inner pesticide barrel, the inner pesticide barrel and the side end of the sliding block are sleeved with a sleeve, the sleeve is embedded in the rotating barrel, a strip-shaped groove is formed in the rotating barrel, one end of a spring is fixedly connected into the strip-shaped groove, and the other end of the spring makes contact with the surface of the sliding block. The sleeve is arranged between the inner medicine barrel and the rotating barrel, the S-shaped groove is formed in the sleeve, the inner medicine barrel is pushed forwards through limited movement of the sliding block in the S-shaped groove and the strip-shaped groove, intermittent movement of the sliding block is achieved through meshing rotation of the gear and the rack in the pushing process, and therefore the inner medicine barrel can be pushed forwards. And the effect of quantitative medicine feeding can be achieved by pushing the inner medicine barrel.

The application discloses a kind of integrated injection device suitable for double-lumen PICC catheter tube, it is related to syringe technical field, to solve the technical problem of single function of injection device, including double-lumen injection shell, two injection heads, moving assembly, double-piston assembly, transmission mechanism and gear set.The application is designed transmission mechanism and gear set structure, so that when the clamping block is connected with the rotating hole, the gear ring can rotate relative to the cylinder, the moving assembly makes the gear ring rotate relative to the cylinder, so that the first gear C is driven by gear A intermittent rotation, so that double-piston assembly intermittent movement realizes pulse injection, when the clamping block is connected with the rotating ring, moving assembly, so that the gear ring and cylinder rotate simultaneously, so as to realize continuous injection, simple operation can realize two injection modes, solve the technical problem of single function of current injection device.

The utility model discloses a dome lamp switch four-key shell mold which comprises a fixed mold and further comprises an injection molding mechanism, the injection molding mechanism is arranged on one side of the surface of the fixed mold, the injection molding mechanism comprises a mounting base, a corrugated rubber sleeve, a movable mold, an injection molding pipe, a piston pipe and a feeding pipe, and the mounting base is arranged on one side of the surface of the fixed mold. A movable mold corresponding to the fixed mold in position is mounted on the surface of the mounting base, a corrugated rubber sleeve is arranged between the movable mold and the mounting base, during injection molding production, the air cylinder controls the movable mold to move so that the movable mold and the fixed mold at the corresponding position can be closed, the melt valve is opened after mold closing, and the feeding pipe feeds materials into the injection molding pipe through the piston pipe for injection molding operation; after injection molding is completed, feeding is stopped, the mold is opened for discharging materials, the multiple sets of movable molds located on the surface of the installation base sequentially operate, continuous injection molding production is achieved, meanwhile, due to the fact that the independent movable molds and mold core structures are adopted, when abrasion and aging occur, the defective movable mold can be independently replaced, and the maintenance cost of the mold is reduced.

The application relates to the technical field of injection molding molds, and particularly discloses an injection molding mold for manufacturing a hair dryer shell, which comprises a base, the upper surface of the base is symmetrically fixedly connected with sliding rods. When raw materials enter the cover plate, the raw materials first exist on the extrusion plate. With the increasing input of the raw materials, the extrusion force borne by the extrusion plate increases, that is, the extrusion plate starts to move downwards along the feeding pipe, finally makes the intermittent holes on the feeding pipe communicate with the top cavity of the cover plate, thereby inputting the raw materials into the lower mold module through the intermittent holes, and when the input is completed, the extrusion plate loses the extrusion force and is reset under the action of the elastic force, thereby moving upwards, that is, making the bottom cavity of the extrusion plate in a negative pressure state, thereby generating a reverse suction force on the feeding pipe, that is, automatically cleaning the feeding pipe after the injection molding is completed, avoiding the problem that the feeding pipe is blocked by a large amount of raw materials accumulated in the continuous injection molding process, and also ensuring the cleaning of the lower mold module, and greatly improving the use convenience.