28results about How to "Increase injection speed" patented technology

The invention provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. The single battery comprises a shell assembly and a sealing structure, the shell assembly defines a containing cavity and is provided with an overflowing channel communicated with the containing cavity, and the sealing structure is matched with the shell assembly and is configured to be used for opening or sealing the overflowing channel. According to the single battery, by arranging the sealing structure capable of opening and closing the flow passage, when the single battery is normally used, the flow passage is closed and sealed through the sealing structure so as to meet the sealing use requirement of the single battery, and when the single battery is manufactured or maintained, the flow passage is opened through the sealing structure so as to meet the sealing use requirement of the single battery. The electrolyte is injected or supplemented through the flow passage, and high voltage and the like in the battery monomer are released regularly, so that the manufacturing requirement of the battery monomer is met, the service life of the battery monomer is prolonged, and the use reliability of the battery monomer is improved.

The invention relates to the technical field of coating of coating production equipment, and discloses an automatic coating device and method for the coating production equipment, and the automatic coating device for the coating production equipment comprises a coating table and a transmission unit which is arranged on the coating table and is used for transporting parts for the coating production equipment; the coating chamber is arranged on the transmission unit; the adjusting unit is arranged in the coating chamber and is used for adjusting the coating area and the coating angle of the coating during coating; the coating unit is connected with the adjusting unit and is used for coating the parts for the coating production equipment; the nozzle seat is arranged on the adjusting unit; the gas inlet part is used for conveying gas into the spray head seat and enabling the gas to be sprayed out from the nozzle; according to the device, drying equipment and coating equipment are integrated, residual water drops can be dried without an independent drying chamber, and meanwhile, the air inlet part and the coating part are matched, so that a coating can be smoothly coated on a part for coating production equipment, and the coating work is completed.

The invention discloses a mixed gas conveying structure and process equipment of a semiconductor device. The mixed gas conveying structure comprises a base body which is located at a gas inlet of a reaction cavity, a gas breaking plug is inserted into the base body, and a slit is kept between the gas breaking plug and the base body; a plurality of gas breaking holes are formed in the side wall of the gas breaking plug, and second process gas injected into the gas breaking plug is jetted into the slit through the plurality of gas breaking holes in a high-speed jet flow mode so as to be mixed with the first process gas in the slit; and carrying the first process gas into the reaction cavity through the gas outlet of the substrate. Through the mixed gas conveying structure, the mixed gas uniformity of two process gases can be improved, so that the injection speed of the process gases can be increased, and the process efficiency is improved.

The present invention discloses a method for dosing ozone / oxygen-enriched solution by using a dissolved ozone dosing system. It includes 1) establishing an ozone / oxygen-enriched solution dosing system, including a reaction tank, a diffuser, a pressure regulating valve group and a water pump; a water mist nozzle and an ozone / oxygen nozzle are arranged on the top of the tank in the reaction tank; a control valve is arranged between the reaction tank and the diffuser; a channel for releasing the oxygen-enriched solution is opened on the cylindrical side wall of the diffuser, that is, a small hole or a narrow gap or a combination of a small hole and a narrow gap, which can generate a certain back pressure to ensure that there is a pressure difference of more than 2 bar between the outlet pressure of the diffuser and the water pressure to be treated; 2) ozone / oxygen is sent to the reaction tank after being pressure-regulated; 3) dissolved water is pressurized by a water pump and sent to the reaction tank from the top of the tank in a high-pressure mist; 4) a water quality online detector is arranged at the water outlet, and the size of the control valve is controlled by connecting the signal receiver with the PLC controller. The method can accurately adjust the water quality, improve the ozone solubility, and greatly improve the utilization rate of ozone / oxygen.

The invention discloses a liquid crystal rapid injection device for LCD production, and relates to the technical field of LCD production. The top of a box body is movably connected with a box door, the side face of the box body is fixedly connected with a transparent plate, the side face of the box body is fixedly connected with an air pressure booster pump, and the side, close to the air pressure booster pump, of the box body is fixedly connected with an atmosphere inflation pipeline; one side, close to the air pressure booster pump, of the box body is fixedly connected with a vacuum pump, and when the air pressure of an inner cavity of the box body reaches 1kgf / cm consistent with the external atmospheric pressure, the valve on the atmosphere inflation pipeline is closed, the valve on the air pressure booster pump is opened, and the air pressure booster pump is started; the air pressure in the cavity of the box body is increased to be 2-10 kgf / cm through the air pressure booster pump, at the moment, the difference between the pressure in the cavity in the box body and the pressure in the empty liquid crystal box is higher, the pressure difference is approximately equal to the pressure in the cavity in the box body, and under the higher pressure difference, the liquid crystal injection speed is greatly increased by 10%-200%.

This invention relates to the field of surgical instruments, specifically to an adjustable irrigation needle and its operating method. It includes an outer mounting tube with an inner telescopic tube movably inserted within it. A rectangular mounting bracket is fixedly installed on the top of the outer mounting tube, and a tapered corrugated tube is disposed within the outer mounting tube. An outer retaining sleeve contacts a corresponding inner insert, thereby moving an angle-adjustable tube. The angle-adjustable tube aligns with a corresponding connecting tube. Moving the corresponding connecting tube causes the inner insert to engage within the outer retaining sleeve. This engagement of the outer retaining sleeve and the inner insert, along with the engagement of the angle-adjustable tube and the corresponding connecting tube, allows for adaptation to various complex and special usage situations. Whether in confined spaces, irregular layouts, or other limiting conditions, it ensures the verticality and straightness of the conduit communicating with the irrigation needle, preventing pressure on the conduit and ensuring stable fluid delivery.

The application discloses an injection molding method for a toy light guide pipe, which can avoid the occurrence of flow lines and bubbles in the toy light guide pipe after injection molding. The technical scheme is as follows: an injection molding method for a toy light guide pipe, which comprises a mold provided with a cavity, and the cavity is provided with a gate through which glue is injected into the cavity, and the glue injection is divided into five stages, i.e., a first glue injection stage, a second glue injection stage, a third glue injection stage, a fourth glue injection stage and a fifth glue injection stage. The glue injection speed of the first glue injection stage is the largest, the glue injection speed of the third glue injection stage is larger than that of the second glue injection stage and the fourth glue injection stage, and the glue injection speed of the fifth glue injection stage is the smallest. The glue injection pressure of the first glue injection stage is smaller than that of the second glue injection stage, and the glue injection pressure of the second glue injection stage is smaller than that of the third glue injection stage. The application belongs to the technical field of injection molding.

A gas injection auxiliary assembly for an endoscope relates to the technical field of gas injection connectors and comprises a gas inlet cylinder part, a middle connecting part and a gas exhaust cylinder part, a gas inlet cavity is formed in the gas inlet cylinder part, a gas exhaust cavity is formed in the gas exhaust cylinder part, and a first gas flow channel and a second gas flow channel are formed in the middle connecting part. The air inlet cavity is communicated with the exhaust cavity through the first air flow channel and the second air flow channel, an air plug block is connected in the air inlet cavity in a sliding mode, and a hole plug body is installed at an air inlet hole in the bottom of the air inlet cavity in a sliding mode. After the gas supply device is shut down, part of collected gas is used for pressing in and discharging gas remaining in the gas inlet pipe of the endoscope, so that residual injected gas is effectively avoided, the phenomenon that the gas injection amount is too small when the endoscope is used is prevented, meanwhile, the injection speed of the last part of gas is increased, and the working efficiency is greatly improved.

The present invention relates to the technical field of auxiliary processing equipment for sealing strips, and specifically to a butyl rubber injection machine for sealing strips, comprising an injection machine frame, a glue injection device, an operating table, and an electric control panel, characterized in that the glue injection device is installed on the upper part of the injection machine frame, the operating table is installed on the lower part of the injection machine frame, and the electric control panel is installed on the side of the injection machine frame. The beneficial effects of the present invention are: simple structure, convenient use, easy implementation, firm and reliable, can be widely used in the injection of butyl rubber for sealing strips with U-shaped mouth structure, and the glue injection amount is uniform, the glue injection speed is fast, and the operation is stable.

The utility model provides a cylindrical battery. The cylindrical battery comprises a shell assembly, a pole assembly, a convergence assembly and a battery cell, the shell assembly comprises a shell provided with a containing cavity, a first battery cover plate and a second battery cover plate, the first battery cover plate and the second battery cover plate cover the two ends of the shell, and the battery cell is installed in the containing cavity; the pole assembly comprises a first pole, a second pole and a sealing nail, the first pole is mounted on the first battery cover plate, a liquid injection through hole is formed in the center of the first pole, the sealing nail is mounted in the liquid injection through hole, and the second pole is mounted on the second battery cover plate; the confluence assembly comprises a first confluence plate assembly and a second confluence plate assembly which are respectively connected to two ends of the battery cell; a liquid injection through hole is formed in the center of the first confluence plate assembly; the liquid injection through hole is located in the center of the first pole, so that the liquid injection speed is increased, the position of the liquid injection port is high, electrolyte splashing is reduced, the liquid passing channel is formed in the center of the first confluence plate assembly, and welding spots at the joint of the first confluence plate assembly and the battery cell are uniform.

The utility model discloses a microplate cleaning tool, and belongs to the technical field of microplate cleaning tools. The device comprises a bottle body used for containing washing liquid; the water outlet piece comprises a connecting part, a first pipeline and a block body; one end, far away from the bottle body, of the connecting part is fixedly connected with one end of the first pipeline; one end of the first pipeline away from the connecting part is connected with one side of the block; a cavity is formed in the block body; two ends of the first pipeline are respectively communicated with the interior of the bottle body and the cavity; at least two liquid outlets are formed in one end, far away from the first pipeline, of the block body; and the liquid outlet is communicated with the cavity. According to the utility model, the liquid injection speed can be effectively accelerated, the cleaning time of the microplate is shortened, and the cleaning efficiency of the microplate is improved; during cleaning, the liquid outlet is aligned with the microplate, the bottle body is extruded, and washing liquid flows out of the bottle opening of the bottle body, enters the cavity of the block body through the first pipeline and is finally discharged from the liquid outlet, and liquid is injected into the multiple holes in the microplate at the same time.

The utility model discloses an atomization device. The atomization device comprises a shell, an atomization main machine, a suction nozzle and a sealing piece. The atomization main machine comprises a liquid storage space with an open end and an atomization assembly with an atomization channel; the sealing piece is provided with an air outlet channel connected with the atomization channel in a sealed mode and a liquid injection channel communicated with the liquid storage space. The shell comprises a main body part installed in the main body part and a connecting part. The connecting part at least partially abuts against the side, back on to the atomization main machine, of the sealing piece so that the sealing piece can seal the open end, and an installation space is formed in one side of the sealing piece. The suction nozzle is detachably installed in the installation space and comprises a suction channel communicated with the outside. When the suction nozzle is installed in the installation space, the suction channel is connected with the air outlet channel in a sealed mode, and the suction nozzle seals the liquid injection opening of the liquid injection channel. When liquid injection is needed, the suction nozzle is taken down, and the liquid injection channel is opened, so that liquid injection can be quickly carried out; after liquid injection is completed, the suction nozzle can be installed, the liquid injection channel is closed again, and the liquid injection device has the advantages of being high in liquid injection speed, good in sealing performance and the like.

The invention relates to the technical field of temperature controller shell injection molding equipment, and particularly discloses shell injection molding equipment for production of a refrigeration temperature controller of a refrigeration house, the shell injection molding equipment comprises a workbench, a placement groove is formed in the side surface of the workbench in a penetrating manner, and a storage basket is placed in the placement groove. In the process of melting and conveying plastic particles, as the diameter of the rotating rod is larger when the rotating rod is closer to the inserting plate, more plastic particles can be contained at the hopper end, the continuity and stability of subsequent injection molding are ensured, the situation that molten plastic is cut off is avoided, meanwhile, the plasticizing capacity is improved, and the service life of the plastic particles is prolonged. The large diameter of the rotating rod is beneficial to providing more heat and pressure, so that plastic is fused more effectively, the uniformity and quality of melt are improved, and moreover, the rotating rod with the large length-diameter ratio is also beneficial to reducing pressure flow and leakage flow and improving the plasticizing capacity, which means that the flow of the melt can be controlled more accurately, and the waste of materials is reduced.

The present invention discloses a ceramic base strip stacking mechanism, comprising a base, an acceleration component and a fixture positioning component; the acceleration component comprises a driving motor and an acceleration rod arranged on the base, the acceleration rod is connected to the free end of the driving motor; the fixture positioning component comprises a stacking bracket, a positioning driving source and a positioning claw, the stacking bracket is arranged on the base, a slot for placing the fixture is arranged on the stacking bracket along the conveying direction, the positioning driving source is arranged on the stacking bracket, the positioning claw is arranged at the free end of the positioning driving source and is located above the slot, and a baffle is arranged on the positioning claw, the baffle is inserted into the fixture material port located at the rear along the conveying direction and above the fixture material port. It can quickly and accurately stack ceramic base strips and can avoid damaging the ceramic base strips.

The utility model discloses a discharging device for injection molding of an electronic fan wire harness, which comprises a support plate, the outer side wall of the support plate is detachably connected with a side plate, the upper surface of the support plate is provided with a connecting assembly, and the connecting assembly is used for connecting an external mechanical arm; a downward pressing assembly, a first clamping assembly and a second clamping assembly are arranged on the outer side wall of the side plate, and the first clamping assembly and the second clamping assembly are used for clamping an electronic fan wire harness conductor from two directions so as to clamp the electronic fan wire harness conductor; according to the utility model, the function of automatically clamping and moving the electronic fan wire harness conductor is realized, and the function of quickly discharging the clamped electronic fan wire harness conductor to the upper surface of the injection molding bearing piece is also realized, so that the injection molding speed of the electronic fan wire harness is increased; and the safety caused by manual placement of the electronic fan wire harness is eliminated, and the device is simple in structure, high in practicability and suitable for being widely popularized and used.

The utility model discloses a single battery and relates to the technical field of batteries, the single battery comprises a shell, a first cover plate assembly, a second cover plate assembly, a first inner core, a second inner core and a separation structure, a liquid injection hole is formed in the side wall of the shell, the separation structure is arranged in the shell, and a first containing space is defined by the separation structure, the shell and the first cover plate assembly; the separation structure, the shell and the second cover plate assembly define a second containing space, the first inner core and the second inner core are arranged in the first containing space and the second containing space respectively, the separation structure is provided with a liquid passing channel, and the liquid injection hole communicates with the first containing space and the second containing space through the liquid passing channel; according to the technical scheme provided by the embodiment of the invention, the liquid injection hole is formed in the side wall of the shell, so that the electrolyte can uniformly permeate into the two inner cores, the consistency of the battery is improved, the output performance of the battery is optimized, and moreover, the diffusion path of the electrolyte is shorter and the liquid injection speed can be increased by forming the liquid injection hole in the middle of the shell.

The application provides a particle sorting system, a use method and a chip, the microfluidic chip of the system comprises two-stage DLD channels, a first outlet of the first-stage DLD channels is communicated with an inlet of the second-stage DLD channels, and the second-stage DLD channels gather particles into linear queue flows according to a specified route. After receiving a sub-sorting task start instruction, the injection device is automatically controlled to inject a sample solution, the imaging device is automatically controlled to continuously shoot particle images, the categories of the particles in the images are acquired and recognized, and instructions corresponding to the categories of the particles are sent to the sorting device according to the categories; and the sorting device automatically moves the particles to a target outlet of the particle sorting chip to flow out according to the instructions sent by the processor. The scheme can improve the injection flow rate of the sample solution while ensuring that the flow rate of the target particles matches the imaging and sorting speed, break through the efficiency bottleneck of the particle sorting technology of the imaging and sorting in processing a large amount of sample solution, and meet the timeliness demand of blood cell sorting and the like scenes.

The invention discloses a transformer shell efficient paint dipping device which comprises a base table, two conveying rails are fixedly installed on the base table, carrying seat blocks which are arranged at equal intervals are installed on the top between the two conveying rails, an I-shaped frame is fixedly installed on the base table, a vertical hydraulic cylinder is installed on the I-shaped frame, and the vertical hydraulic cylinder is fixedly installed on the base table. And a connecting block is fixedly mounted at the bottom end of the vertical hydraulic cylinder. The two liquid pumping mechanisms are started to synchronously pump paint liquid out of the inner box so that the paint liquid can rapidly fill a gap between the outer box and the interior of the transformer shell, the flowing amount of the paint liquid is reduced, meanwhile, it is guaranteed that infiltration is comprehensive, then the liquid discharging mechanism is started to pump the filled paint liquid back into the inner box to achieve cyclic utilization, and the cost is reduced. In the process, the transformer shell does not need to be moved and inclined, the process is completed at a time, and therefore the device has the advantages that the paint liquid flowing amount can be reduced, the paint dipping efficiency is improved, the operation efficiency is higher, the transformer shell does not need to be moved, the production energy consumption is reduced, and cost reduction and efficiency improvement are achieved.

The invention discloses a micro-fluidic detection chip and a preparation method and a fluid filling method thereof, and relates to the technical field of micro-fluidic detection chips, the micro-fluidic detection chip comprises a first slide, a chip body layer and a second slide which are attached, the first slide is provided with a liquid inlet hole and a waste liquid hole, the chip body layer is provided with a containing pool, and the second slide is provided with a liquid outlet hole. The containing pool comprises a liquid inlet area, a waste liquid area and a microcavity array between the liquid inlet area and the waste liquid area, the first slide and the containing pool of the chip body layer form a transverse open flow channel with a height-limited top, so that detection liquid added from a liquid inlet hole reaches the microcavity array through the liquid inlet area under the action of negative pressure through a siphonic effect, the liquid inlet speed is high, and blockage is not easy to occur; the number of microcavities of the microcavity array is large and can reach 10,000-100,000 as required, so that high-flux, high-accuracy and high-sensitivity detection of nucleic acid molecules is realized; and the chip body layer is obtained by pouring a mixed solution of a PDMS material and a curing agent on a prefabricated mold and turning over the mold, so that the preparation is simple, the cost is low, and the chip is suitable for large-scale production.

The utility model discloses a seedling ejection structure for accelerating seedling ejection, which comprises a seedling ejection cylinder and an acceleration structure, the acceleration structure is arranged at a seedling outlet, and the acceleration structure comprises a power source, a first seedling ejection acceleration roller, a second seedling ejection acceleration roller, a first gear and a second gear; an acceleration channel is formed between the first seedling shooting acceleration roller and the second seedling shooting acceleration roller, the first gear is meshed with the second gear, a rotating shaft of the first seedling shooting acceleration roller is connected with the first gear, and a rotating shaft of the second seedling shooting acceleration roller is connected with the second gear. The power source is used for driving the first seedling shooting acceleration roller or the second seedling shooting acceleration roller to rotate. The seedling ejection device has the advantages that the first seedling ejection acceleration roller and the second seedling ejection acceleration roller rotate to drive seedlings to be ejected in an accelerated mode, the ejection speed of the seedlings is increased, the seedlings make contact with soil in a field more easily, the seedlings are prevented from being suspended on the water surface, the seedlings are firmly fixed to the field, and the survival rate is high.

The present invention is configured so that a user can adjust injection attributes including drug injection mode, injection amount, injection depth, and injection speed, and thus has the advantage that convenience of use can be further improved. In addition, the user can set desired injection attributes through a user interface, and thus convenience can be improved. Moreover, a number of outputs, a period, an amplitude, an output time, and an output off time of a pulse applied to a solenoid coil can be adjusted to adjust the injection attributes of a drug to those desired by the user.

A rack is provided with an injection molding machine body, the downstream of the injection molding machine body is provided with a material distributing connector, the material distributing connector is provided with a material distributing cavity and a plurality of material distributing pipes, the material distributing cavity is communicated with a discharging port of the injection molding machine body, and a sealing mold is fixed to the rack; the sealing mold comprises an outer sealing mold and an inner sealing mold, the material distributing pipe is communicated with the annular injection molding groove, a cooling structure for cooling the sealed end is arranged on the outer sealing mold, a clamping base is slidably installed on the portion, located on the downstream side of the sealing mold, of the rack, and a clamping device for clamping the composite pipe is arranged on the clamping base; an axial driving device is arranged on the machine base; an end part heating device is arranged between the sealing mold and the clamping device on the rack; according to the injection molding sealing machine, plastic can be injected separately, and sealing is performed after end heating is performed through the end heating device, so that the cohesive force is improved, the injection molding speed is higher, and stress is more uniform.

The utility model discloses a kind of blending devices for lubricating oil processing belong to lubricating oil processing technical field, including blending tank, the upper portion of blending tank is equipped with additive hopper, the inner ring of additive hopper is threadedly connected with filter screen cover, the upper surface of blending tank is fixedly installed with metering pump, the input end of metering pump is fixedly communicated with extraction pipe, one end of extraction pipe penetrates additive hopper and extends to the inside of additive hopper, the outer surface of extraction pipe is fixedly communicated with injection material electric valve, the output end of metering pump and the upper surface of blending tank are fixedly communicated. Through the setting of additive hopper, additives can be injected in the inside of additive hopper, and impurities will be filtered by filter screen cover, achieving the effect of additive pretreatment, through the setting of metering pump and extraction pipe, additives can be directly quantitatively conveyed, the step of weighing when injecting additives is saved, and the injection speed of additives is improved.

This invention discloses an in-situ remediation and purification device and method for river and lake silt, relating to the field of sludge purification technology. It includes a floating vessel, with a screening device, a fixed cylinder, and a microbial storage tank mounted on its top. The fixed cylinder is located on top of the floating vessel, and the screening device is connected to the top of the fixed cylinder via a conveying pipe. An uplift device for sludge extraction is located outside the screening device. A purification tank is located inside the floating vessel, and the fixed cylinder and purification tank are connected via a connecting pipe. Microorganisms are injected into the silt inside the receiving mechanism through an external adding component. As the rotating disc rotates, the silt injected with microorganisms is continuously transported to the purification tank for decomposition. After decomposition, the decomposed material is returned to the lake bottom. Multiple receiving mechanisms distribute and receive the silt, and microorganisms are added to the silt within these mechanisms to ensure uniform distribution of the microorganisms.

The invention discloses an injection molding mold for producing a motorcycle rear trunk, and the invention relates to the technical field of injection molds. The invention comprises an upper mold, the outer side surface of the upper mold is fixedly connected to the side of the telescopic rod away from the shell, the exhaust pipe is arranged at the top center of the upper mold, and the surface of the exhaust pipe is fixedly connected to the inner side surface of the upper mold, the bottom of the lower mold is fixedly connected to the top of the base, the outer side surface of the base is fixedly connected to the inner wall of the shell, the cooling component is arranged inside the shell, and the cooling component is fixedly connected to the bottom of the base, the injection molding component is arranged at the interval between the shell and the cooling component, and the injection molding component is fixedly connected to the bottom of the base, the telescopic rod is arranged, and automatic mold closing and demoulding are realized, and the cooling component can accelerate the cooling of the raw material, increase the injection molding speed, and improve the efficiency. Through the injection molding component, the air between the upper mold and the lower mold is ejected, which can reduce the exhaust operation before injection molding, making the operation more convenient.

The invention relates to the technical field of welding equipment, and discloses a nitrogen gas entering furnace chamber device, comprising a reflow furnace shell, a heating furnace supporting shell is arranged on the reflow furnace shell, a heating furnace shell is arranged on the heating furnace supporting shell, an air inlet and a rectifier plate are arranged on the heating furnace shell, and a plurality of air outlet holes arranged in a grid are opened on the rectifier plate; a motor plate and a heating wire are arranged on the reflow furnace shell, a first high-temperature motor is arranged on the motor plate, a nitrogen gas inlet is opened on the first high-temperature motor for introducing nitrogen gas into the air inlet, and the heating wire is used to heat the nitrogen gas; the nitrogen gas entering furnace chamber device squeezes the nitrogen gas in the buffer chamber into the heating furnace according to the Bernoulli principle through a group of axial flow wind wheels which are also selectively driven by the high-temperature motor, thereby improving the diffusion efficiency of the nitrogen gas in the heating furnace, and the airflow direction of the air outlet hole can be deflected and adjusted up, down, left, and right.

The utility model provides a current collector assembly and a cylindrical battery. The current collecting piece assembly comprises a connecting cover, a first connecting piece, a second connecting piece, a first fusing arm, a second fusing arm and a current collecting disc. A liquid injection hole and a pressure relief hole are formed in the connecting cover, the two ends of the first connecting piece are connected to the connecting cover and the second connecting piece respectively, the two ends of the first fusing arm are connected to the second connecting piece and the flow collecting disc respectively, and the two ends of the second fusing arm are connected to the second connecting piece and the flow collecting disc respectively. A pressure relief receding hole is formed among the first fusing arm, the second connecting piece, the flow collecting disc and the second fusing arm, a liquid inlet receding hole is further formed in one side of the flow collecting disc and located below the liquid injection hole, and the pressure relief receding hole is formed below the pressure relief hole. The pressure relief avoiding hole directly faces the pressure relief hole, so that the gas circulation speed is higher, the liquid inlet avoiding hole directly faces the liquid injection hole, so that the electrolyte injection speed is increased, the first fusing arm and the second fusing arm are fused during short circuit, and the safety of the current collector assembly is improved.

The invention relates to the technical field of graphene composite high polymer materials, in particular to a preparation method of a graphene composite PE antibacterial pipe, which comprises the following steps: carrying out surface modification treatment on a graphene powder raw material to form a modified graphene powder raw material; carrying out primary mixing extrusion to output a graphene composite PE master batch; adjusting the mixing rotation speed of the modified graphene powder raw material and the polyethylene particle raw material in a feeding bin; determining a mixing uniformity adjusting mode according to the variable quantity of the discharging angle; the graphene composite PE master batch and the polyethylene particle raw material are subjected to secondary mixing extrusion according to the mixing uniformity adjusting mode, and the blowing length of the pipe raw material at a discharge port of the extruder is determined according to the temperature difference quantity; determining the flow velocity of cooling water according to the vibration interval duration of the mold; the graphene composite PE pipe is formed. The antibacterial effect is improved, and the performance stability of the pipe is improved.