201 results about "Multiple injection" patented technology

The invention relates to the technical field of oil development, in particular to a shale oil and gas fracturing sliding sleeve capable of being opened and closed repeatedly and a using method. According to the technical scheme, a central pipe fracturing liquid inlet is formed in the upper side of a central pipe, and a reversing rail is arranged on the surface of the outer wall of the middle; a sealing cylinder sleeve and a one-way circulating valve carrier are sleeved outside the central pipe, a fracturing piston, a swivel pressing cap and a reset spring are installed in an annulus, a constant-pressure opening cavity is formed in the inner wall of the fracturing piston, a swivel is installed in the swivel pressing cap, a track pin is installed in the swivel, and the position is moved along a reversing track on the surface of the outer wall of the central pipe through the track pin. The fracturing piston moves downwards to the position of the cylinder sleeve fracturing liquid outlet under the action of pressure, the fracturing function is started, fracturing liquid is sprayed out along the cylinder sleeve fracturing liquid outlet to enter a target fracturing layer, fracturing construction of a plurality of fracturing layers can be achieved through multiple times of fracturing liquid injection and injection stopping, the fracturing sliding sleeve can be repeatedly opened and closed, and the fracturing construction efficiency is improved. And fracturing construction requirements of shale oil and gas with different layers can be met.

The invention relates to the technical field of injection molding machine control, in particular to a networking injection molding machine servo drive control method. Firstly, a traditional continuous servo driving action is decomposed into a strong operation-weak voltage stabilization alternating unit sequence, and the instantaneous load peak value and the hydraulic pressure fluctuation are reduced. Secondly, product type characteristics are accurately matched based on a process database, action parameters are dynamically adjusted in combination with a multi-objective optimization algorithm, and the product quality consistency is remarkably improved. In addition, energy conservation and consumption reduction are achieved through a first-stage sleep mode and a second-stage sleep mode, a group control optimization mode is used for coordinating actions of multiple injection molding machines, load fluctuation of a workshop power grid is reduced, and the service life of equipment is prolonged. The system also supports real-time monitoring and networking management, constructs intelligent closed-loop control, enhances the production flexibility and the resource utilization rate, and provides an efficient, energy-saving and reliable solution for the injection molding industry.

The invention discloses a forming device of a cable connector. The forming device comprises a workbench; the jig conveying mechanism comprises a jig conveying assembly, a jig backflow assembly, a first jig transferring assembly and a second jig transferring assembly. The jig conveying assembly and the jig backflow assembly are both arranged at the top of the workbench and provided with injection molding body jigs. The first jig transferring assembly and the second jig transferring assembly are both arranged at the top of the workbench and located between the jig conveying assembly and the jig backflow assembly so as to transfer all injection molding body jigs to the jig conveying assembly or the jig backflow assembly; a wire needle assembling mechanism, a first injection molding mechanism, a first waste clamping mechanism, a second injection molding mechanism and a second waste clamping mechanism are sequentially arranged in the injection molding body jig conveying direction of the jig conveying assembly. According to the scheme, a plurality of injection molding body jigs are automatically and circularly conveyed, the production period is shortened, the production continuity is enhanced, and the requirement of large-scale production can be met.

The full-automatic injection molding device comprises a machine body, one side of the upper end face of the machine body is provided with an injection area, and the other side of the upper end face of the machine body is provided with a mold closing forming area; the injection base is arranged in the injection area and fixed to the machine body, and a machine barrel is horizontally arranged in the injection base; the fixed mold plate is vertically fixed on the upper end surface of the machine body, and the fixed mold plate is hermetically communicated with the end part of the machine barrel; the mold closing device is arranged in the mold closing forming area and is fixed with the machine body; the movable template is slidably arranged on the upper end surface of the machine body; one ends of the positioning guide columns are vertically fixed at four corners of the fixed mold plate; the multiple injection molding micropores are formed in the concave mold plate and distributed in the bottom of the deep cavity or the position of the complex curved surface, in this way, high-pressure injection molding can be preferentially conducted on the complex cavity wall of the injection molding cavity through the injection molding micropores, then filler is diffused from the center through the injection molding channel in the middle, and on one hand, the injection molding filling effect is improved; on the other hand, the orientation distribution of the injection molding material is more uniform.

This invention relates to an injection mold for recycling plastics, applied in the field of injection mold technology. It includes a fixed base, a fixed mold, an injection cavity, an injection port, a cavity cover, an injection barrel module, a stirring shaft, and an inclined cone. In this invention, when using recycled plastics for injection molding, the injection barrel module delivers molten recycled plastic into the injection cavity. The stirring shaft uniformly mixes the molten recycled plastic entering the injection cavity, evenly distributing the melt pressure within the molten recycled plastic. The molten recycled plastic then enters the mold cavity of the fixed mold through the injection port, improving the flow effect of the recycled plastic melt during the injection molding process and effectively improving the quality of the injection molded product. Simultaneously, the stirring shaft drives the inclined cone to rotate, using the inclined cone to adjust and shield the injection port, cyclically adjusting the injection flow rate and effectively reducing the impact of multiple injection ports on the injection pressure. This achieves uniform injection of the recycled plastic melt into the mold, effectively improving the injection molding effect of recycled plastics.

The present specification relates to an embodiment of an air-conditioning system using a plurality of turbo compressors, wherein driving of the plurality of turbo compressors is switched according to operating conditions, and multiple injections are made into an internal heat exchanger, thereby circulating a refrigerant in response to the operating conditions.

The invention belongs to the field of oil field separated layer water injection, and discloses an integrated wireless communication separated layer water injection method and system which comprises a ground wireless communication control module, a multi-layer injection allocation wireless communication control module, a multi-channel oil pipe and a multi-channel overflowing packer. The battery bin, the circuit and sensor bin, the valve driving bin, the channel shunting section and the flow monitoring bin are arranged in the multi-layer injection allocation wireless communication control module, so that water injection flow and water injection pressure of different underground water injection layer sections of a water injection well are collected and adjusted; meanwhile, other modules are matched to realize water distribution requirements of multiple water injection layer sections and a wireless testing and adjusting function; compared with existing wireless layered water injection controllers which are controlled independently and cannot communicate reliably, the multi-layer injection allocation wireless communication control module can control the flow of each layer section at the same time, and when communication with flow or pressure as a medium is carried out, the communication rate is higher, and the recognition rate and the accuracy rate are higher.

This utility model provides a cage injection mold with a rapid preheating structure, comprising: a moving mold at the bottom of a fixed mold; a sprue sleeve passing through the center of the fixed mold on the side away from the moving mold; a mold core assembly positioned at the center of the fixed mold and the moving mold on the side close to each other; a hot runner heating module sleeved on the bottom of the sprue sleeve at the top; and a heating rod heating module passing through the center of the mold core assembly; and several junction boxes bolted to the side walls of the fixed mold and the moving mold. In the mold preheating process, based on heat conduction heating using a mold temperature controller, a hot runner heating module and a heating rod heating module are installed at the core of the mold. These are connected to a power plug via junction boxes to achieve electric heating at the core, which assists in rapid mold preheating and greatly improves processing efficiency. During injection, the temperature of the liquid plastic does not drop when it enters the molding cavity composed of the fixed mold core and the moving mold core, improving the quality of the injection molded parts. Furthermore, the injection runner can be diverted to allow one mold to process multiple injection molded parts simultaneously, improving production efficiency.

The utility model relates to a needleless injector device capable of preventing injection shaking and conducting injection in batches, which belongs to the field of needleless injectors and comprises a reset motor, a reset screw rod, a reset block, a sliding block, a trigger, a sliding block positioning groove, a driving hammer, a driving hammer spring, an injection motor, an injection screw rod, a machine frame and a sliding sleeve. The reset screw is in threaded fit with a reset block, one face of the output end of the reset motor is installed on one side of the rack, the sliding block is located in the rack, the sliding block positioning groove is formed in the end of one side of the sliding block, the trigger is installed on the rack, the sliding sleeve is installed in the rack, the driving hammer is installed in the rack, and the head of the driving hammer is installed in the sliding sleeve in a sliding mode. The driving hammer spring is installed at the tail of the driving hammer, the injection motor is fixed in the rack, the output end of the injection motor is connected with the injection screw rod, and by arranging the pushing motor and the injection screw rod, the problems that multiple times of injection cannot be achieved, and medicine leakage or injection position deviation is caused by shaking during injection are solved.

The intelligent injector comprises a storage battery, a linear motor, an MCU, a key, an injection switch and a display screen, the storage battery supplies power to the linear motor, the MCU, the key and the display screen, and the key is in telecommunication connection with the MCU to control the linear motor to achieve progress and speed adjustment. The display screen is in telecommunication connection with the MCU and used for displaying key adjusting content and injection data. The injection switch is in telecommunication connection with the MCU to control the motor to conduct injection. Different modes are set by changing the rotating speed of the linear motor; the injection amount can be continuously and accurately adjusted, and medicine waste and excessive administration are effectively eradicated; continuous multi-time injection can be achieved, and efficiency is improved.

The utility model discloses a rotary injection and blow molding all-in-one machine which comprises a rack, the injection mold is connected to the rack, and a plurality of injection cavities are formed in one side of the injection mold; the middle core mechanism comprises a middle sliding frame and an injection blowing device, the middle sliding frame can move left and right on the rack, the injection blowing device is rotationally connected into the middle sliding frame, the injection blowing device right faces the injection molding cavities, the positions, right facing the multiple injection molding cavities, of the two sides of the injection blowing device are each provided with an injection core head, and air blowing openings and injection molding openings are formed in the multiple injection core heads; the blow molding mechanism comprises a side sliding frame and a blow molding die, the side sliding frame is located on the side, away from the injection molding die, of the sliding frame, the blow molding die is connected to the side sliding frame, and forming cavities are formed in the multiple injection molding die positions on the side, right opposite to the injection and blow molding device, of the blow molding die respectively. And the structure for transferring and conveying the semi-finished products among different procedures is reduced, the space volume occupied by the whole equipment is reduced, and the whole production efficiency is improved.

This utility model provides an electrolyte cleaning mechanism, including a cleaning fluid delivery assembly, an injection pump assembly, and a pneumatic control assembly. The cleaning fluid delivery assembly includes a cleaning fluid storage tank, a cleaning fluid storage tank air pipe, a cleaning fluid storage tank inlet pipe, a cleaning fluid storage tank manual inlet pipe, a cleaning fluid storage tank inlet pipe, a cleaning fluid storage tank inlet filter, a cleaning fluid storage tank outlet pipe, and a cleaning fluid storage tank outlet pipe socket. The injection pump assembly includes multiple injection pump units, the output ends of which respectively deliver cleaning fluid to an injection machine. The pneumatic control assembly is connected to control the air pressure inside the cleaning fluid storage tank. This electrolyte cleaning mechanism is used to clean the injection channels of the injection pump and injection machine, preventing electrolyte crystallization and blockage of the injection channels. The cleaning fluid storage tank inlet filter filters the cleaning fluid, ensuring that no impurities enter the injection pump and injection machine, effectively guaranteeing the cleaning effect.

This utility model discloses a high-efficiency ink thinner adding device, including a frame, a support platform, a first hose, and a second hose. An ink turnover box is located on the top of the frame, and a support plate is located on the front side of the ink turnover box. A lifting cylinder is installed in the middle of the support plate, with the piston rod of the lifting cylinder pointing downwards and connected to a lifting plate. Several injection rods are evenly spaced laterally on the rear side of the lifting plate. The first hose connects the ink turnover box to the top inlet of the injection rods. Two symmetrical fixing plates are located on the rear side of the frame, and a thinner transfer pipe is connected to the fixing plates. The second hose connects the thinner transfer pipe to the side opening of the injection rods. The frame is also connected to a positioning and clamping mechanism. Multiple injection rods can accurately align with the material container to complete the adding and filling process, improving production efficiency and reducing manual labor intensity.

This invention provides a test method for determining injection fusion in multiple injections of a high-pressure common rail system, comprising the following steps: S1. Constructing a high-pressure common rail system injection pattern test system to test the injection pattern of two injections: pre-injection + main injection; S2. Constructing a high-speed photography direct-view test system for the injection process of the high-pressure common rail system to test the spray development characteristics under injection intervals; S3. Processing the images of the spray development process of multiple injections of the high-pressure common rail system, and repeating the spray development characteristic test until the fuel sprays of the two injections merge. The test method for determining injection fusion in multiple injections of a high-pressure common rail system described in this invention employs a spray visualization test method, obtaining the actual development process of real fuel spray in the cylinder, which can accurately determine whether actual fuel spray fusion has occurred in the cylinder, solving the problem of misjudgment of injection fusion based on control signals and injection pattern curves.

The application aims to provide a method for regulating the consistency of injector injection of each cylinder of an engine considering transient supply-injection disturbance, belonging to the field of engines. First, the rail pressure curve, the injector inlet pressure curve, the driving current curve and the injection rate curve data under different supply time and injection time are obtained on a high-pressure fuel injection system test bench to construct a data set. Then, based on the data set, a Transformer time series model is established with the rail pressure, pressure and current curve as input and the injection rate as output, the injection rate is predicted online and the injection quantity is calculated through time integration. Next, through the programmable logic controller, the injection pulse width under different supply and injection time is feedback regulated to realize the accurate control of the injection quantity of single and multiple injections of each cylinder. The application effectively responds to the supply-injection disturbance under transient working condition, improves the consistency of the injection quantity of each cylinder, and improves the combustion efficiency and running stability of the engine.

This invention discloses a low-emission combustion system and method for an ammonia engine with active control of dual reactive activity, comprising: an ammonia fuel engine and an electronic control unit. A jet ignition device and a liquid ammonia injector are disposed on the cylinder head of the ammonia fuel engine. The jet ignition device provides a jet ignition source to the main combustion chamber, and the liquid ammonia injector injects liquid ammonia fuel into the main combustion chamber. The electronic control unit is connected to the liquid ammonia injector, an air injector, a fuel injector, and a spark plug in the pre-combustion chamber, and is used to adjust the injection timing, number of injections, and injection quantity of the liquid ammonia injector based on at least one parameter among engine speed, load, cylinder pressure, intake state, and combustion phase, while simultaneously adjusting the air injection quantity, hydrogen injection quantity, and pre-combustion chamber ignition timing. The system actively controls the reactive activity within the combustion chamber through multiple injections of liquid ammonia, and simultaneously, through a control strategy, actively controls the combustion rate over a wide range.

This application discloses an air gun structure, including a barrel and a nozzle. The nozzle is rotatably connected to the barrel. The nozzle has multiple injection holes arranged in a circular array. The injection holes are inclined relative to the nozzle, so that the gas ejected from the injection holes can drive the nozzle to rotate relative to the barrel. The air gun structure of this application can achieve a wide diffusion range of dry ice and produce a mist-like ice output, which can quickly remove silicone residue and dirt from the surface of molds.

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.

This invention discloses an integrated gas distribution device and method for a dual-fuel engine gas injection system in the field of dual-fuel engine technology. The device includes a common rail system, a pressure replenishment component, and a pulse pressure replenishment mechanism. The common rail system includes a common rail pipe and multiple injection valve supply pipes equipped with pressure sensors installed on the common rail pipe. This invention integrates electromagnetic valves capable of high-frequency pressure replenishment into the common rail system. Each electromagnetic valve alternately replenishes pressure to the injection valve supply pipes in a pulse manner, effectively reducing pressure loss in the injection valve supply pipes caused by the length of the common rail pipe and flow diversion. This significantly improves the stability and uniformity of gas injection, which is beneficial for stable engine operation and extends engine lifespan.

The embodiment of the application provides a method, device, equipment, medium and product for determining a variable-resistance polymer staged profile control and production scheme, and relates to the technical field of petroleum engineering development. The method constructs an optimization model with the maximum cumulative oil production and the minimum cumulative polymer consumption as the target, and automatically generates and evaluates multiple injection-production schemes based on the numerical simulation results and the preset constraint conditions, and finally selects the optimal solution. The numerical simulation model is used to generate development data in batches, which replaces the cumbersome parameter identification process in the traditional method and reduces the time consumption of early data processing. The manual trade-off between increasing oil production and controlling polymer consumption is converted into a double-target optimization problem, and the optimization solution combined with the constraint conditions can output multiple feasible schemes, which avoids the trade-off process of repeated trial and error. Finally, the optimal scheme is quickly screened through the evaluation rules, the process from data processing to scheme output is streamlined and automated, the scheme determination efficiency is improved, and the user demand is accurately matched.

The invention relates to the technical field of bridge swivel, and provides a thin shell casting type swivel spherical hinge and a mounting construction method. The thin shell casting type swivel spherical hinge comprises an upper spherical hinge body, a lower spherical hinge body and a lower spherical hinge body, the upper spherical hinge body is of a cavity thin shell structure which is integrally cast and formed, and the thickness of the upper spherical hinge body ranges from 40 mm to 120 mm; the lower spherical hinge is arranged below the upper spherical hinge, the lower spherical hinge is of a cavity thin shell structure which is integrally cast and formed, the thickness of the lower spherical hinge is 40-120mm, and a plurality of material injection holes, vibration holes and exhaust holes are formed in the top of a spherical panel of the lower spherical hinge; and the multiple friction sliding sheets are circumferentially distributed between the upper spherical hinge and the lower spherical hinge. Compared with the prior art, the thin-shell casting type swivel spherical hinge has the advantages that on the basis that the swivel spherical hinge meets the requirements for structural strength and rigidity, the compactness of concrete on the lower portion is effectively improved, and meanwhile the structural weight can be greatly reduced.

The utility model discloses a casting device for an evanescent mode of a cylinder body, relates to the field of evanescent mode processes, and solves the technical problem of serious reverse spraying in the casting process of the traditional cylinder body top casting process. The casting device comprises a casting frame, a plurality of first slag collecting risers and a plurality of second slag collecting risers, a plurality of ingates are detachably installed below the casting frame, a pouring cup is arranged above the casting frame, the ingates are communicated with the pouring cup, a cylinder block evanescent mode is placed on the casting frame, and the first slag collecting risers are communicated with the second slag collecting risers. The multiple inner pouring gates are communicated with multiple injection ports in the bottom of the cylinder block evanescent mode in a one-to-one correspondence mode, a plurality of first exhaust ports communicated with the first slag collecting riser are formed in the two sides of the upper portion of the cylinder block evanescent mode, and a plurality of second exhaust ports communicated with the second slag collecting riser are formed in the two sides of the upper portion of the cylinder block evanescent mode. Molten iron is filled from bottom to top during pouring, the foam vaporization process is stable, exhaust is smooth, and no reverse spraying phenomenon exists in the pouring process.

This application discloses a method, computer device, and readable storage medium for determining SQL injection vulnerabilities in source code, belonging to the field of source code security detection technology. The method includes the following steps: responding to an SQL injection detection command in the source code, generating a set of legal input parameters based on a legal input scenario corresponding to the source code, and generating a set of test input parameters based on an injection statement library; wherein the injection statement library includes multiple injection statement templates; based on the set of legal input parameters and the source code, collecting first execution data through code instrumentation; based on the set of test input parameters and the source code, collecting second execution data through code instrumentation; and determining SQL injection vulnerabilities in the source code based on the first execution data and the second execution data. This application can reduce the false positive rate of SQL injection vulnerability detection and improve the targeting of SQL injection vulnerability detection.

The utility model discloses a conditioner injection device for saline-alkali soil improvement, and relates to the field of saline-alkali soil improvement, the conditioner injection device comprises a drill bit, an insertion cylinder, a liquid guide pipe, a first driving part, a second driving part and a plurality of liquid guide parts, the drill bit is used for being inserted into soil, a containing cavity is formed in the drill bit, and the bottom end of the insertion cylinder is connected with the drill bit; the bottom end of the inserting cylinder is partially inserted into the containing cavity, a plurality of injection holes are evenly formed in the side face of the bottom end of the inserting cylinder, the inserting cylinder can move in the height direction of the inserting cylinder relative to the drill bit, the bottom end of the liquid guide pipe is partially arranged in the inserting cylinder, the liquid guide pipe is used for conveying a conditioner, and the multiple liquid guide components are used for guiding the conditioner in the liquid guide pipe out of the inserting cylinder; according to the conditioner injection device for improving the saline-alkali soil, the insertion cylinder and the drill bit are arranged, the injection hole in the insertion cylinder is located in the containing cavity of the drill bit in the initial state, soil is effectively prevented from entering the injection hole and the insertion cylinder in the insertion process, and therefore the problem that the injection hole is blocked is avoided.

The invention relates to the technical field of radio frequency integrated circuits, and particularly provides a low-power-consumption broadband injection locking frequency divider based on an S0I process, which comprises an oscillator circuit and an injection locking circuit, the oscillator circuit generates an oscillation signal; the injection locking circuit comprises an injection unit and a frequency tracking unit, the injection unit receives a plurality of injection signals, and the frequency tracking unit adjusts the phase of injection current; the injection locking circuit injects the adjusted injection current and injection signal into a differential output node and a common mode node of the oscillator circuit respectively, and the injection current and injection signal are mixed and coupled with an oscillation signal. According to the frequency divider, cooperative injection is carried out on the output node and the common-mode node of the oscillator circuit, the injection intensity is improved, meanwhile, the frequency tracking unit is introduced to achieve self-adaptive tracking of the injection frequency, the injection locking range of the frequency divider is remarkably widened while low power consumption is kept, the injection locking range can be adjusted in a self-adaptive mode, and the frequency divider is high in practicability. Therefore, the frequency drift of the millimeter wave frequency band is dealt with, and the robustness of the system is improved.

The utility model relates to injection molding machine mold taking equipment for injection mold processing, and belongs to the technical field of injection molding machine mold taking. Comprising a fixing seat, a connecting plate is arranged on one side of the lower end of the fixing seat, a bearing shaft is arranged on the side face of the connecting plate, an adjusting plate is slidably connected to the other side of the lower end of the fixing seat, a groove matched with the bearing shaft is formed in the side face of the adjusting plate, and a plurality of fixing holes are formed in the bearing shaft. And a plurality of connecting blocks are slidably connected into the bearing shaft, fixing mechanisms matched with the fixing holes are arranged in the connecting blocks, and mold taking mechanisms are arranged at the lower ends of the connecting blocks. The supporting shaft is provided with the mold taking mechanisms in sliding connection, mold taking of a plurality of injection molding machines is facilitated, through the fixing mechanisms and the adjusting plates in sliding connection, the number of the mold taking mechanisms on the supporting shaft can be conveniently increased or decreased, and the positions of the mold taking mechanisms can be conveniently fixed; and the number of the mold taking mechanisms can be adjusted according to the number of the injection molding machines, and the mold taking efficiency of the injection molding machines is effectively guaranteed.

The application provides a kind of ignition system of methanol lean engine, vehicle, the system includes ignition device and control system;Ignition device includes main combustion chamber and prechamber, main combustion chamber is configured with the air inlet into chamber and the main injector of injection methanol;Prechamber is provided with pilot injection injector, multi-electrode spark plug, and with the multiple injection holes of main combustion chamber communication;Control system is configured to monitor the engine speed, air intake and environmental parameters in real time, to control the injection pressure, injection amount, injection time of main combustion fuel and pilot fuel, and ignition time, to realize stable ignition under different working condition parameters and control the air-fuel ratio under each working condition. By optimizing the ignition system, the engine can be stably ignited and efficiently combusted under different environmental conditions, thereby further improving the economic performance of the methanol lean engine based on stable ignition.

The utility model relates to the technical field of injection molds, and discloses a non-communicated medium-large-sized multi-cavity injection mold, which comprises a multi-cavity mold and an injection molding pipeline, the end part of the injection molding pipeline is communicated with a shunting frame, the outside of the shunting frame is connected with a plurality of adjusting runners through pipelines, and the adjusting runners are communicated with the multi-cavity mold. A plurality of injection pipelines are arranged outside the multi-cavity mold, the number of the injection pipelines is consistent with that of the adjusting flow channels, the injection pipelines and the adjusting flow channels are correspondingly connected, and adjusting push rods with the telescopic ends located in the adjusting flow channels are fixedly installed outside the adjusting flow channels; the telescopic end of the adjusting push rod is connected with an adjusting block which is sealed with the interior of the adjusting flow channel and extends to the communicating point position of the flow dividing frame and the adjusting flow channel, and the other end of the adjusting flow channel is provided with an injection pipeline connected with the multi-cavity mold. The non-communicated middle-large-sized multi-cavity injection mold has the advantage that the injection molding pressure can be conveniently and flexibly distributed so as to improve the injection molding efficiency.

The invention discloses high-flux electrolyte preparation equipment and a testing method thereof, and relates to the technical field of chemical preparation equipment, the high-flux electrolyte preparation equipment comprises a top cover and a bottom plate, the top cover and the bottom plate are spliced through an aluminum alloy supporting column, a lifting frame is arranged on the inner side of the aluminum alloy supporting column, and a lifting door plate is arranged on the lifting frame; a pump frame is fixedly installed at the bottom of the bottom plate, a vertical linear guide rail is arranged on the surface of the top of the top cover, a transverse linear guide rail is movably arranged on the top of the vertical linear guide rail, a testing assembly is arranged on the transverse linear guide rail, and an injection assembly is arranged on the transverse linear guide rail. According to the high-flux electrolyte preparation equipment, a plurality of groups of liquid injection heads are adopted, so that the preparation of a plurality of groups of electrolytes with different formulas and different concentrations can be synchronously completed at a time, and compared with the traditional manual preparation, the efficiency is greatly improved. And the research and development period and the production preparation time are greatly shortened.

The utility model belongs to the technical field of water distributors, and particularly relates to a water distributor of a saline injection machine. The connecting groove is formed in one side of the mounting plate, a plurality of connecting blocks are slidably mounted in the connecting groove, injection needle cylinders are fixedly mounted on one sides of the connecting blocks, injection needle heads are fixedly connected to the bottom ends of the injection needle cylinders, and suction hoses fixedly communicate with the injection needle cylinders; the guide rod is fixedly mounted in the connecting groove, and the multiple connecting blocks are slidably connected with the guide rod; the two fixing plates are fixedly mounted at the top and the bottom of the mounting plate correspondingly, rectangular sliding holes are formed in the two fixing plates correspondingly, and lifting plates are slidably mounted in the two rectangular sliding holes correspondingly; and the two clamping plates are fixedly installed on the sides, close to each other, of the two lifting plates correspondingly, and the multiple connecting blocks are located between the two clamping plates. The positions of a plurality of injection needle cylinders can be adjusted, different injection requirements are met, the structure is simple, and use is convenient.