440 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 utility model relates to the technical field of dust removers, and provides a pulse injection dust remover with a large-air-volume filter cartridge, which comprises a dust removal box, an air baffle, a rotating plate, a pulse filter cartridge, an injection head and a telescopic sleeve, one side of the dust removal box is communicated with an air inlet head, and the top end of the dust removal box is communicated with a plurality of air outlet pipes, so that dust gas can be conveniently conveyed in the dust removal box; the air baffle is fixedly connected to the inner side wall of the dust removal box, the rotating plate is rotationally mounted on the air baffle, the multiple pulse filter cartridges are mounted on the rotating plate in a penetrating manner, the multiple injection heads are arranged on the upper sides of the multiple pulse filter cartridges correspondingly, and injection assemblies are communicated among the multiple injection heads; the telescopic sleeves are slidably mounted on the lower sides of the pulse filter cartridges, and dust collection assemblies are arranged among the multiple telescopic sleeves. According to the technical scheme, the problems that in the prior art, the filter cartridge is inconvenient to clean in all directions, and the dust removal efficiency is easily reduced are solved.

The invention relates to the technical field of injection molding equipment, and discloses a multi-station automatic low-pressure injection molding machine, which comprises a rotary table, a feeding device, a discharging device and a control device, the mold closing injection molding unit comprises an upper mold assembly and a plurality of lower mold assemblies, the upper mold assembly is connected with a hydraulic cylinder at the top of the machine table, the lower mold assemblies are uniformly distributed on the rotary table, the upper mold assembly is connected with a plastic injection pipe, and position sensors are arranged on the upper mold assembly and the lower mold assemblies; the automatic positioning unit is arranged in the machine table and used for adjusting the position of the driving rotary table, so that the upper die assembly corresponds to the lower die assembly in position. A plurality of injection molding stations are arranged on the rotary table of the injection molding machine, and the upper mold assembly is combined with the lower mold assemblies at different positions, so that injection molding production at each station is realized; the position sensor is adopted to detect the relative position of the mold, and the automatic positioning unit is started to adjust the angle of the rotary table, so that the mold closing accuracy during multi-station operation is improved, and the quality of injection molding finished products is ensured.

The utility model discloses an aluminum alloy SIM card support stamping blanking die which comprises a stamping table, an installation table is installed on the top of the stamping table, a plurality of sliding rods are installed in the installation table in a sliding mode, a buffering table is installed on the rod walls of the sliding rods together, and a plurality of buffering springs are arranged between the installation table and the buffering table. The two ends of the multiple buffer springs are fixed to the opposite side surfaces of the mounting table and the buffer table correspondingly. Through the arrangement of the multiple sets of sliding rods, the buffer springs, the limiting rods and the buffer tables, the punching head is vertically buffered in the punching process, so that the problem that burrs are generated after materials are punched is greatly reduced, meanwhile, the materials are blocked on one side through the hollow sliding blocks on the two sides in the punching process, and the punching quality is improved. And meanwhile, a control valve is matched to convey high-pressure gas into the hollow sliding block through a gas inlet pipe, and the high-pressure gas is sprayed to the surfaces of the materials through a plurality of spraying openings, so that the materials are rapidly flushed down, and the problem that the materials are clamped in the discharging opening to affect discharging is solved.

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 belongs to the technical field of automobile accessory production, and particularly relates to a new energy automobile door panel interior trim part injection mold which comprises a workbench, a lower mold is fixedly connected to one side of the upper end face of the workbench, limiting rods are fixedly connected to the four corners of the upper end face of the lower mold, and a top plate is fixedly connected to the upper ends of the limiting rods. The limiting rods are slidably connected with an upper mold, the upper end of the lower mold and the lower end of the upper mold are each provided with a plurality of transversely-arranged forming cavities, the bottom of the lower mold is connected with a plurality of demolding rods in an inserted mode and slidably connected with the demolding rods, and when the lower mold is attached to the upper mold, a plurality of complete handrail forming cavities can be formed. And an injection molding part discharging mechanism is further arranged on the workbench. By means of the injection molding part discharging mechanism and the positioning assembly, after the injection molding parts are ejected out, the injection molding parts can be transferred to the material storage plate to be placed in order, due to the fact that the multiple injection molding parts on the material storage plate are neat and orderly, workers can detect the quality of the injection molding parts in sequence, and the injection molding part discharging mechanism is convenient, visual and not prone to making mistakes.

The utility model belongs to the technical field of injection packing material detection, and particularly relates to an injection packing material sealing performance detection device which comprises a detection device base, the top of the detection device base is fixedly connected with a rotating shaft, the top of the rotating shaft is rotatably connected with a rotating bottom table, and the top of the rotating bottom table is provided with a sealing assembly. An injection packing material fixing assembly is arranged in the sealing assembly, an air exhaust assembly is arranged at the top of the sealing assembly, the air exhaust assembly comprises a vacuum pump, a first air exhaust pipe, a second air exhaust pipe, a sealing performance detection cylinder and an air pressure detector, and the top of the vacuum pump communicates with the first air exhaust pipe; the end part of the first exhaust pipe is communicated with a second exhaust pipe, and the other end of the second exhaust pipe is communicated with a sealing performance detection cylinder. According to the utility model, sealing performance detection can be carried out on a plurality of injection packing materials at the same time, and which injection packing material has an air leakage phenomenon can be determined conveniently.

To provide a data collection method capable of collecting and storing physical quantity data acquired over a plurality of injection molding cycles in a form suitable for effective utilization.SOLUTION: Time-series physical quantity data related to the operation of an injection molding machine, the data being obtainable in an injection molding step of a molded article by using the injection molding machine, is acquired; and the physical quantity data acquired over a plurality of injection molding cycles is stored in a storage unit in association with a character string reflecting molding conditions set in the injection molding machine and a data collection period of the physical quantity data.SELECTED DRAWING: Figure 4

The invention discloses an automobile dashboard forming system and method based on multi-material co-injection molding, and relates to the field of multi-material co-injection molding, and the automobile dashboard forming system comprises a multi-station rotary mold platform, a multi-material injection molding unit and an intelligent temperature control module. According to the invention, collaborative operation of the multi-station rotary mold platform, the multi-material injection molding unit and the intelligent temperature control module is planned as a whole, rotary station circulation is taken as a core, material gradient molding is taken as a path, and accurate temperature control is taken as a guarantee, so that integrated molding of the automobile instrument panel from surface function decoration to a structural framework is realized; the rotary lifting driving device is a core transmission part and drives the core male die assembly to be accurately switched among the multiple injection molding stations, and closing and separating of the core male die assembly and the female die assemblies of all the stations are achieved. According to the modular design that the core male die assembly is matched with the female die assembly through a quick release structure, replacement of dashboard dies of different vehicle types can be completed in a short time, and the production requirements of various types are met.

The invention relates to the technical field of viscosity monitoring, in particular to crude oil viscosity reducer production quality detection equipment which comprises a crude oil conveying pipe used for conveying crude oil and further comprises a spiral conveying agent winding pipe which is wound on the outer surface of the crude oil conveying pipe and used for conveying a viscosity reducer into the crude oil conveying pipe. A plurality of injection pipes communicated with the crude oil conveying pipe are arranged on the inner wall of the crude oil conveying pipe in a staggered mode, a plurality of ultrasonic viscometers used for detecting the viscosity of crude oil are arranged on the outer surface of the crude oil conveying pipe, and the ultrasonic viscometers and the spiral conveying agent winding pipe are arranged in a staggered mode; the rotary spiral scraping pipe is attached to the inner wall of the crude oil conveying pipe in a spiral shape, a pushing assembly used for driving the rotary spiral scraping pipe to rotate so as to convey crude oil to flow is arranged in the crude oil conveying pipe, and a plurality of connecting rods capable of being connected with the pushing assembly are connected into the rotary spiral scraping pipe and used for transmission.

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 present invention contemplates a method of forming a member comprising injection molding a first layer into a first tool cavity, overmolding a second layer into a second tool cavity selected from the group consisting of an expandable layer, a sealing layer, an acoustic layer, and adhesive layer, a reinforcement layer, a fastening layer, a second carrier layer, and any combination thereof, overmolding a third layer into the second tool cavity selected from the group consisting of an expandable layer, a sealing layer, an acoustic layer, an adhesive layer, a reinforcement layer, a fastening layer, a second carrier layer, and any combination thereof. The first layer, the second layer, and the third layer may be molded in one injection molding tool and the second and third layer may be segregated from one another prior to any overmolding steps.

The invention relates to a mold runner structure for reducing residual stress and an application method thereof, and relates to the technical field of injection molding.The mold runner structure for reducing residual stress comprises a runner table, a main runner is formed in the runner table, and a plurality of branch runners used for being in butt joint with a mold forming cavity are formed in the runner table; the plurality of sub-runners are communicated with the main runner, the runner table is provided with a plurality of injection ports used for being in butt joint with a nozzle of an injection molding machine, and the plurality of injection ports are communicated with the main runner. Through cooperation of all the components, the molten material can enter the mold forming cavity more evenly, then residual stress caused by uneven local pressure is reduced, and the influence of the residual stress on a formed product is avoided.

The invention belongs to the technical field of detection equipment, and particularly relates to electronic product injection molding notch detection equipment which comprises an equipment table, a cylindrical heating box is fixedly connected to the center of the upper end of the equipment table, a heating part is arranged in the heating box, a box cover is fixedly connected to the upper end of the heating box, and box openings are formed in the left side and the right side of the heating box. And a moving groove penetrating through the two box openings is transversely formed in the upper end of the equipment table, a first threaded rod is jointly and rotationally connected between the inner walls of the two sides of the moving groove, and a first motor for driving the first threaded rod to rotate is fixedly installed on one side of the equipment table. The device has the advantages that the infrared thermal imaging technology is utilized, notch detection work can be automatically completed after a plurality of injection molding parts are heated, manual visual inspection is not needed, the notch condition in the injection molding parts can be effectively found, and the notch detection effect and efficiency are greatly improved.

An air cleaning apparatus with a moist filter is disclosed. More particularly, the present invention relates to an air cleaning apparatus with a moist filter, being operated such that: water stored in a bottom reservoir tank flows upward in a centrifugal manner; water molecules are finely cleaved in a microfine state and injected through multiple injection holes in the same centrifugal manner to become moist; under such conditions, water flowing into a rotational column, to which a centrifugal force is applied, is filtered while circulating a cycle wherein external air inflowing through air input holes formed below a moist layer is adhered to water molecules in the moist layer and drops down, thereby enabling ultrafine dust as well as fine dust to be filtered with high efficiency and excellent economic advantage.

The invention relates to a recycled plastic reutilization injection mold applied to the technical field of injection molds, and the recycled plastic reutilization injection mold comprises a fixed seat, a fixed mold, an injection cavity, an injection hole, a cavity cover, an injection cylinder module, a stirring shaft and an inclined cone. Recycled plastic melt entering the injection cavity is evenly mixed through the stirring shaft, melt pressure in the recycled plastic melt is evenly distributed, then the recycled plastic melt enters the mold cavity of the fixed mold through the injection hole, the flowing effect of the recycled plastic melt in the injection molding process is assisted, and the quality of injection molding products is effectively improved; the injection holes are shielded and adjusted through the oblique cones, the injection flow of the injection holes is circularly adjusted, the influence of the multiple injection holes on injection molding pressure is effectively reduced, uniform injection molding of recycled plastic melt is achieved, and the injection molding machining effect of recycled plastic is effectively improved.

The invention relates to a mold closing device for producing traceless thin-wall injection molding parts, and relates to the field of injection molding devices, the mold closing device comprises a static mold arranged on a workbench and a plurality of movable molds, the side, facing the static mold, of each movable mold is provided with a mold cavity, the movable molds and the static mold are both provided with injection molding holes, and the workbench is provided with a guide rod; the guide rods are used for guiding the movable molds to slide, a driving unit is arranged on the workbench and used for driving the movable molds and the static molds to be opened and closed, each movable mold is provided with a cutting unit, the cutting units are used for cutting injection molding parts in the injection molding holes, and a plurality of clamping and discharging units are arranged on the workbench and used for clamping the injection molding parts and moving. And the clamping and discharging units correspond to the movable molds one to one, and pushing units are arranged on the clamping and discharging units and used for pushing injection molding parts out of the mold cavities. The injection molding device has the effects that multiple injection molding parts are subjected to injection molding in the single injection molding process, and the production efficiency of the injection molding parts is improved.

The invention discloses automatic batch hole machining equipment which comprises a first base, a workpiece, an X-axis and Y-axis moving platform and a Z-axis moving platform, the X-axis and Y-axis moving platform and the Z-axis moving platform are mounted at the top of the first base, and the Z-axis moving platform is in transmission connection with a multi-axis drilling mechanism. According to the automatic batch hole machining equipment and the hole machining method thereof, the arranged outer tool frame and the tool platform arranged in the outer tool frame in a sleeved mode are matched with the four clamping centering assemblies and the four jacking transmission assemblies, and a transmission gear, a band-type brake stepping motor, a waterproof shell and an arc-shaped toothed plate are combined for use; the clamping device is used for automatically clamping and centering a workpiece by taking the tool platform as a support workpiece, the tool platform is driven by the meshing adjusting device, and the processed workpiece is subjected to inclination adjustment to be linked with a plurality of injected cooling liquid output by a cooling liquid conveying pipe formed by a U-shaped barrel, a plurality of liquid conveying curved pipes and a drainage pipe; the machined workpiece and the tool platform are comprehensively flushed at multiple points through multiple injected cooling liquid, and then the comprehensive cleaning effect is achieved.

The invention relates to the field of in-situ leaching mine production, and provides a horizontal well washing simulation experiment device which comprises an ore bed simulation system used for simulating an ore bed environment and comprising a box body, the top of the box body is of an open structure, the box body is filled with ore bed rock powder to construct a simulation rock stratum, and a plurality of injection connectors are formed in the side wall of the box body; the impact force testing system is buried in the simulated rock stratum and comprises a self-advancing force and axial pressure testing device, a radial pressure testing device and a bent connecting pipe, the self-advancing force and axial pressure testing device and the radial pressure testing device are connected through a screen pipe, and the first end of the bent connecting pipe extends into the rock stratum to be connected with the jet radial pressure testing device; the second end penetrates out of the open structure of the box body; and the sand washing well washing system is detachably arranged in the bent pipe in a penetrating manner and is used for being connected with the well washing impact force testing system so as to carry out jet flow well washing, air well washing and liquid pumping simulation experiments. The in-situ leaching uranium mining production environment can be reduced, and evaluation of various well washing tools is achieved.

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 invention relates to the technical field of medical instruments, and discloses an injection assembly and an endoscope. The injection assembly comprises an insertion part which extends from the near end to the far end and is provided with a suction channel and a medicine injection channel; the medicine injection channel is used for guiding medicine to move from the near end of the medicine injection channel to the far end of the medicine injection channel to be discharged. The injection structure is used for puncturing human tissues and comprises a plurality of first injection needles; a plurality of first injection needles are arranged at the far end of the insertion part and are communicated with the medicine injection channel; the marking tube extends from the near end to the far end and is arranged in the suction channel; the marking tube is provided with an injection channel used for guiding dye to move from the near end of the injection channel to the far end of the injection channel to be discharged. The endoscope comprises an endoscope handle, an injection part and an injection assembly. By means of the technical scheme, the technical problem that multiple times of injection is prone to occurring in a certain area in intrauterine injection in the related technology can be solved.

The present invention belongs to the technical field of automotive parts production, and specifically relates to an injection mold for the interior trim of a new energy vehicle door panel, which includes a workbench. One side of the upper end surface of the workbench is fixedly connected with a lower mold. Four corners of the upper end surface of the lower mold are fixedly connected with limiting rods. The upper ends of the limiting rods are fixedly connected with a top plate. The limiting rods are slidably connected with an upper mold. A plurality of laterally arranged forming cavities are provided at the upper end of the lower mold and the lower end of the upper mold. A plurality of demolding rods are inserted and slidably connected to the bottom of the lower mold. When the lower mold is attached to the upper mold, a plurality of complete armrest forming cavities can be formed. An injection part blanking mechanism is also provided on the workbench. By using the injection part blanking mechanism and the positioning assembly of the present invention, after the injection parts are ejected, they can be transferred to the storage plate for orderly placement. Since the multiple injection parts on the storage plate are relatively neat and orderly, workers can sequentially detect the quality of the injection parts, which is relatively convenient, intuitive, and not prone to errors.

According to the metering injection mechanism and the injection molding equipment, a downward pressing mechanism is additionally arranged in a feeding cylinder, a pushing rod is matched with the downward pressing mechanism to extrude an injection molding raw material towards the output end of an injection material pipe, and therefore the situation that glass fibers are broken due to spiral stirring of the injection molding raw material is avoided; the structural strength of an injection molding finished product is improved, the output dosage of injection molding raw materials is accurate, and the production and processing efficiency is higher; the injection molding raw material extrusion method comprises the steps that injection molding raw materials meeting multiple times of injection molding are injected into a material supply cylinder, an internal pipeline of an injection material pipe is filled with the injection molding raw materials, and then the injection cylinder drives a material pushing rod to move with a first thrust value so as to exhaust gas among the injection molding raw materials from an exhaust structure; and the injection cylinder drives the material pushing rod to move by the preset stroke or the preset duration according to the second thrust value, and then the injection cylinder repeatedly acts according to the second thrust value to quantitatively extrude the injection molding raw materials for multiple times, so that multiple injections are carried out after one-time feeding, and the injection molding machining efficiency is improved.

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 discloses a high-precision injection molding machine barrel and a grinding device thereof. The barrel comprises an injection molding connecting barrel, a fixed channel, an injection molding machine barrel, a connecting shaft washer, a fixed screw, a protective shaft sleeve, an injection molding rod piece and an injection molding nozzle, the grinding device comprises a main machine, a working platform located on the main machine and a mounting base located above the working platform. The injection molding connecting machine barrel and the injection molding machine barrel, the connecting shaft ring and the injection molding machine barrel, the connecting shaft ring and the protective shaft sleeve, and the injection molding rod piece and the protective shaft sleeve are of an assembly structure, maintenance is convenient, and use and installation are flexible; the injection molding nozzle is convenient to maintain and replace after long-time use, and the high-precision and high-efficiency injection molding effect of the injection molding machine is improved. Through the arrangement of the inner grinding machine assembly and the outer grinding machine assembly, grinding of the outer wall and the inner wall in the machine barrel grinding process is achieved, the grinding efficiency is guaranteed, and the working efficiency is improved.

An autoinjector is configured to allow a user to suspend delivery of a medicament upon first activation of the autoinjector, and thereafter resume delivery of the medicament. The dose fractionated administration autoinjector may be operated to deliver a total desired dose of drug at multiple stages and / or at multiple injection sites.

The utility model relates to the technical field of hot runner injection molding, and discloses a multi-head type hot runner nozzle, which is characterized in that a fixed template, a hot runner fixing plate, a top plate and a runner plate form a mounting die holder, and two feeding structures are arranged in the mounting die holder in a bilateral symmetry manner; an opening and closing air cylinder and a hot nozzle are arranged above and below the middle of the mounting mold base correspondingly, three sets of main valve elements distributed linearly are arranged in the hot nozzle, and the upper ends of the main valve elements are connected with the opening and closing air cylinder through a connecting plate. Two kinds of plastics or two different colors can be used for injection molding at the same time, injection molding can also be carried out independently according to needs, multiple injection molding can be carried out at the same time through diversity and the three arranged nozzle heads, and the injection molding efficiency is improved.

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.