23 results about "Injection - action" patented technology

The invention relates to the technical field of injection molding machine control, in particular to a self-adaptive control method and system for an injection molding machine. The method comprises the following steps: monitoring the time change rate of injection pressure at the initial stage of executing injection action by a screw rod, locking the moment when the pressure change rate suddenly changes to a non-return closing moment, and calculating a displacement difference value between the initial position of the screw rod and a non-return closing point as a backflow slippage amount; compensation control of double paths is synchronously executed on the basis of the backflow slippage amount, wherein the first path is geometric volume compensation, and position correction operation is executed on a preset injection pressure maintaining switching position; the second path is pressure maintaining pressure compensation, the viscosity attenuation coefficient is determined based on the backflow slippage amount and the screw rotating speed, and subtraction correction is carried out on the set pressure of the subsequent pressure maintaining stage. Through a dual-path compensation mechanism, the problem of melt backflow caused by closing delay of the non-return ring is effectively solved, and the size precision and the quality stability of an injection molding product are remarkably improved.

The invention relates to the field of medical anesthesia, in particular to an intravenous anesthesia dosage and efficacy analysis navigator which comprises an infusion pump mechanism. Comprising an infusion pump body, an injector push rod penetrating through the infusion pump body, a piston caulking groove formed in the injector push rod, a needle cylinder caulking groove formed in one side of the top of the infusion pump body, and a stabilizing piece penetrating through the infusion pump body and used for fixing an injector needle cylinder. The abutting piece is arranged on the inner side of the needle cylinder embedding groove; and the monitor is electrically connected with the infusion pump mechanism for interaction and is used for controlling the injection action of the infusion pump mechanism. Through the synergistic effect of the linkage piece, the limiting piece and the control piece, rapid installation and one-hand operation of the injector are achieved, namely when the injector is placed, the cylinder body is pressed down only with one hand, the linkage piece synchronously triggers the abutting piece to complete axial locking and the stabilizing piece to complete radial pressing, and the operation process is simplified.

The invention discloses a multi-connecting-rod press punching automatic production line, which belongs to the technical field of punching machines, and comprises a punching machine box arranged above a base, four support columns arranged between the punching machine box and the base, a multi-connecting-rod gear transmission group arranged in the punching machine box, an operation table fixedly mounted at the top of the base, and a lower die arranged at the top of the operation table. The device comprises four supporting columns, a same sliding block box is connected among the four supporting columns in a sliding mode, four piston connecting rods are arranged in the sliding block box and connected with a multi-connecting-rod gear transmission set, a same fixing plate is fixedly installed among the four piston connecting rods, and four symmetrically-arranged pressing rods are fixedly installed at the bottom of the fixing plate. A power source of oil injection action directly comes from stamping main motion (pressing down of the piston connecting rod), an additional electric or pneumatic pump is not needed, the piston connecting rod drives the piston plate to compress air in the driving box, pressure gas is generated, and energy recovery and utilization are achieved.

This application discloses a control method, equipment, and storage medium for a two-plate die-casting machine, including: setting a target speed and target pressure for the hammer's follow-out motion; after the injection action is completed, driving the hammer with the target speed and target pressure, while simultaneously limiting the return oil flow of the mold-opening cylinder, so that the hammer pushes the mold plate to perform a mold-opening action; during the process of the hammer pushing the mold plate, controlling the return oil pressure of the mold-opening cylinder by adjusting the opening degree of the pressure relief valve; when the mold plate is detected to have moved to a preset follow-out position, stopping the follow-out driving of the hammer, and completing the subsequent mold-opening action at a preset mold-opening speed until the mold opening is completed. This application achieves the technical effect of improving production safety and stability by simultaneously setting and controlling the target pressure and speed of the hammer's follow-out motion, so that the mold-opening speed is controlled by the hammer's push during the follow-out stage.

The invention belongs to the technical field of hydraulic pressure of injection molding machines, and provides a hydraulic transmission control system for a direct pressing machine and the direct pressing machine. The mold locking loop comprises an active safety valve, an electro-hydraulic directional control valve, a piston control assembly and a first cartridge valve; the piston control assembly is composed of a first electromagnetic reversing valve, a first poppet valve and a piston. The mold locking high-pressure loop consists of a second electromagnetic directional valve and a first one-way valve; the pressure relief loop is composed of a second poppet valve and a first one-way throttling valve, and the pressure relief flow is controlled by adjusting the size of a throttling opening; the glue injection loop is used for controlling the glue density through the melt glue back pressure and executing the glue injection action; and the first cartridge valve is opened and closed by a third electromagnetic directional valve control valve core. Compared with the prior art, the independent pressure relief loop is arranged, and the adjustable first one-way throttle valve is adopted, so that pressure relief impact is effectively reduced, and the abnormal vibration risk of the template is reduced.

This invention discloses a magnesium alloy vehicle frame die-casting molding apparatus, belonging to the technical field of die-casting equipment. It includes a machine base, on which a base platform and a fixed mold are fixedly mounted. An injection chamber is fixedly mounted on the base platform, and a cavity is formed on the fixed mold. The advantages are: This apparatus addresses the problem that traditional venting channels only reach the edge of the cavity, are difficult to access deep cavities, and are located in corners. Through a linkage design between the external venting needle and the guide tube, the external venting needle can penetrate deep into the corners and move dynamically with the injection action, venting residual gas in the corners and avoiding defects such as porosity and shrinkage, thus ensuring the strength of the vehicle frame. Simultaneously, addressing the problem of low venting efficiency and easy backflow clogging with fixed-diameter venting, the eccentric fine hole of the internal venting needle rotates synchronously with the injection, changing its diameter. This allows for large-scale venting in the initial stage and prevention of clogging in the later stage, eliminating the need for frequent machine shutdowns for cleaning. Mechanical transmission allows the venting position and diameter to adapt to changes in cavity pressure and gas volume in real time, matching the filling rhythm and significantly improving die-casting quality and production stability.

The utility model provides engine valve body oil injection equipment which comprises a machine table, and the machine table is provided with a feeding module used for feeding and conveying an oil valve body to be injected, an oil injection module used for conducting oil injection on the valve body in the circumferential direction, and an oil injection module used for conducting oil injection on the valve body in the circumferential direction. The discharging module is used for stacking and discharging the oil-sprayed valve bodies; the transferring module is used for carrying the valve bodies among the modules; the oil spraying module comprises an oil storage tank, the oil storage tank is arranged to be of a cavity structure, oil liquid is stored in the oil storage tank, a discharging port and a sealing component used for opening or closing the discharging port are arranged at the upper end of the oil storage tank, a material carrying piece used for containing a valve body is arranged in the cavity structure, and oil spraying components are arranged in the circumferential direction of the material carrying piece; and the oil spraying component is connected with the oil in the oil storage tank through an oil pipe so as to spray the oil on the periphery of the valve body on the material loading piece. By means of the mode, automatic oil injection action on the valve body is achieved, and the working efficiency and the oil injection uniformity are effectively improved.

The utility model discloses a glue injection action control hydraulic loop of an injection molding machine, which comprises a six-position four-way servo valve and a glue injection oil cylinder, a port P of the six-position four-way servo valve is communicated with an oil inlet, a port T of the six-position four-way servo valve is communicated with an oil return port, a port A of the six-position four-way servo valve is communicated with a rear oil port of the glue injection oil cylinder, and a port B of the six-position four-way servo valve is communicated with an oil return port of the glue injection oil cylinder. A port B of the six-position four-way servo valve is communicated with a front oil port of a glue injection oil cylinder, a cartridge valve is arranged between a rear oil port of the glue injection oil cylinder and a port A of the six-position four-way servo valve, a control port of the cartridge valve is communicated with a direction valve, and when the six-position four-way servo valve stops working, the direction valve is controlled to be not electrified, and the direction valve is controlled to be not electrified. And hydraulic oil at a rear oil port in the glue injection oil cylinder is sealed by the cartridge valve and cannot flow to the six-position four-way servo valve, so that the screw rod is prevented from retreating due to leakage of a valve core, the screw rod connected with the conveying end of the glue injection oil cylinder is always kept at a charging ending position, the glue injection starting point positions of the next mold are ensured to be the same, and the influence on the product precision is avoided.

The invention relates to an electromagnetic needleless injector system and method based on a series excited machine, and the system comprises the series excited machine which is used for driving a plunger rod to move; the displacement monitoring module is used for monitoring the displacement of the plunger rod in real time; the safety condition detection module is used for generating a signal representing whether an injection safety condition is met or not; the control module is connected with the series motor, the displacement monitoring module and the safety condition detection module, and the control module is configured to receive injection parameters set by a user; in response to a signal which is received from the safety condition detection module and indicates that the safety condition is met, controlling the series motor to start according to the injection parameter; in the injection process, closed-loop control is conducted on operation of the series motor according to real-time displacement data fed back by the displacement monitoring module until injection actions corresponding to the injection parameters are completed, and therefore the efficient, accurate, safe and intelligent injection operation requirements of the modern livestock breeding industry are met.

The utility model discloses an oil tank assembly and a die-casting machine, and relates to the technical field of die-casting machines, the oil tank assembly is applied to the die-casting machine, the oil tank assembly comprises a first oil tank, and the first oil tank is provided with a containing groove for containing hydraulic oil; the defoaming assembly is arranged in the first oil tank, and the defoaming assembly is used for eliminating bubbles on the hydraulic oil in the first oil tank; a second oil tank; the communicating assembly is communicated with the first oil tank and the second oil tank; the technical scheme provided by the utility model has the technical effects that air flow generated when hydraulic oil in the second oil tank performs injection action is conveyed into the communicating assembly, and the communicating assembly blows out the air flow towards the defoaming assembly, so that bubbles on the liquid level of the hydraulic oil in the first oil tank move to the defoaming assembly; the defoaming component is used for blocking or eliminating bubbles.

The invention discloses a seabed modified gel injection vehicle for deep-sea mining and a using method, and relates to the technical field of deep-sea resource development, the seabed modified gel injection vehicle comprises a vehicle body, a walking chassis, a gel injection mechanism and a driving mechanism, the vehicle body is provided with a gel storage cabin, and the gel storage cabin is used for storing a gel material; the walking chassis is arranged at the bottom of the vehicle body and used for supporting the vehicle body to walk on the seabed. The gel injection mechanism is mounted on the vehicle body, is communicated with the gel storage cabin and is used for injecting a gel material into sediment on the surface layer of the seabed; the driving mechanism is in transmission connection with the gel injection mechanism and used for driving the gel injection mechanism to execute injection action, plume generation is effectively inhibited, the overall efficiency of deep-sea mining is improved, and the marine ecological environment is protected.

The present invention addresses the problem of providing a monitoring device and a monitoring method capable of suppressing fluctuation of molten metal or gas entrainment into the molten metal by monitoring the shake of the molten metal in a plunger sleeve during a low-speed injection period at the initial injection stage of an injection molding machine and controlling the injection speed on the basis of the monitoring result. A monitoring device according to the present invention is provided with: an acquisition unit that acquires acceleration information of a plunger during an injection operation; a determination unit that determines the shake of the molten metal in the plunger sleeve on the basis of information relating to the acceleration in the direction of travel of the plunger from the start of injection of the molten metal in the plunger sleeve by the plunger to a predetermined period among the acceleration information; and an output unit that outputs the determination result of the shake of the molten metal.

The invention relates to the technical field of asphalt pavement repair, in particular to an asphalt pavement crack repair method based on multi-stage stress guidance, which comprises the following steps: cleaning the crack surface, removing moisture in the deep part of a crack by using a hot air spray gun, and heating to a preheating temperature; the average crack width W is extracted by collecting the three-dimensional point cloud of the crack area; outputting an outlet temperature, viscosity and component adding instruction of the repairing material according to the width W and the environment temperature; the thermoplastic polymer modified asphalt is adjusted to the determined target temperature and viscosity, and the injection action is executed according to the crack grading result; starting the sectional type infrared heating array, constructing a transverse temperature difference field, and inducing the crack wall surface to generate centripetal displacement by utilizing the thermal expansion difference of the pavement material; and the surface temperature of the repairing material is monitored, when the temperature is reduced to a compaction window threshold value, the repairing area is compacted, the physical occlusal force is enhanced, the tensile stress generated by later environment cooling is more effectively offset, and the cracking recurrence rate after repairing is remarkably reduced.

An adjustable-dose automatic injection pen, comprising: a pen housing assembly, which comprises a pen housing (10), a rotatable knob (11) and a pressable button (21); a dose adjustment assembly linked to the knob (11) and configured to increase a set dose when the knob (11) rotates in a first direction and decrease the set dose when the knob (11) rotates in a second direction; an injection assembly linked to the button (21) and configured to implement injection when the button (21) is pressed; and a clutch (6) which is connected between the dose adjustment assembly and the injection assembly and has a first position state and a second position state, wherein when the button (21) is not pressed, the clutch (6) is in the first position state, and the clutch (6) is engaged with the pen housing (10) for limiting, such that the position of the injection assembly remains unchanged; and when the button (21) is pressed, the clutch (6) is in the second position state, and the clutch (6) is disengaged from the pen housing (10) to enable injection of the injection assembly. When the clutch (6) is in the first position state, the clutch (6) is engaged with the pen housing (10) for limiting, such that the position of the injection assembly remains unchanged. In this case, when the dose is adjusted, no injection action is generated, and the injection accuracy can be improved.

The invention discloses a low-station vertical slip forming machine which comprises an electric box, a machine box is installed on the side wall of the electric box, a mold closing mechanism is installed on the inner wall of the machine box, the mold closing mechanism comprises a lower mold plate, and when the low-station vertical slip forming machine is used, it is confirmed that a finished product on the surface of the lower mold plate is taken out, and it is confirmed that a slip forming plate is ejected to the bottom; then the holding oil cylinder is controlled to contract, hold and open to the bottom, then the mold opening and closing oil cylinder is controlled to perform mold opening action, at the moment, the storage bin acts until material storage is completed, the sliding mold plate is pushed out to coincide with the sliding mold bottom plate, then the mold opening and closing oil cylinder is controlled to perform mold closing action, so that the upper mold plate is closed downwards, and then the holding oil cylinder is controlled to extend, hold and close to the bottom; the low-station vertical slip form machine is characterized in that the lower left die and the lower right die are pressed through a die assembly high-pressure oil cylinder, finally, the glue injection action is completed through an injection nozzle, after the forming time of a product is waited, the steps are repeated, the glue injection machining is completed after the lower left die and the lower right die are completed for a cycle period, and thus the low-station vertical slip form machine is completed.

The utility model relates to the technical field of hydraulic control loops, and particularly discloses a hydraulic control loop of an auxiliary injection unit of a double-colored injection molding machine, which comprises an auxiliary injection oil cylinder, a system oil port, an oil tank, an electromagnetic directional valve and an auxiliary storage motor, the system oil port can be communicated with a rod cavity of the auxiliary injection oil cylinder or an oil inlet of the auxiliary storage motor through the electromagnetic direction valve, an oil outlet of the auxiliary storage motor is communicated with the oil tank, and a reset spring is arranged in the auxiliary injection oil cylinder. The system oil port can drive the piston rod and the auxiliary screw rod to perform injection action by introducing hydraulic oil into the rod cavity of the auxiliary injection oil cylinder, and after injection is completed, the reset spring can drive the auxiliary screw rod to perform injection retreating action through the piston rod, so that a control loop can be simplified, the control loop and the main injection unit are suitable for the same power system, the cost can be saved, and the production efficiency is improved. The occupied space is reduced.

The invention provides an automobile chip automatic glue injection device capable of improving glue injection consistency, and belongs to the technical field of automobile chip glue injection. Comprising a bottom plate, the upper end face of the bottom plate is fixedly connected with a conveying frame, the two ends of the conveying frame are each rotationally connected with a conveying shaft, each conveying shaft is symmetrically and fixedly connected with two chain wheels, a chain belt is connected between the chain wheels on the same side in a meshed mode, and the conveying frame is provided with an intermittent power assembly used for driving the chain belt to move intermittently. A carrier is arranged on the chain belt, a mounting plate is arranged on the upper side of the carrier, a linkage lifting assembly is arranged at one end of the mounting plate, and a glue injection assembly is arranged on the mounting plate. According to the automatic glue injection device, the intermittent power assembly and the linkage lifting assembly can be used, cooperation of conveying and glue injection actions of the carrier is achieved, the glue injection error is reduced, the consistency of automatic glue injection of the automobile chips is improved, synchronous glue injection is conducted on the multiple automobile chips at a time through the glue injection assembly, and the glue injection efficiency is remarkably improved.

The utility model belongs to compressor oiler oil injection pump device technical field, concretely relates to a kind of compressor oiler auxiliary oil injection device.Device includes operating lever, still includes annular hoop and its fastening structure, hoop has the clamping portion for being connected on oil injection pipeline and the ear plate extended by clamping portion two ends respectively, wherein one ear plate is provided with the support structure for supporting operating lever.The clamping portion of hoop is tightly connected with oil injection pipeline by fastening structure, can firmly fix hoop on oil injection pipeline, operating lever is stably matched with hoop by the support structure on the ear plate extended by clamping portion, to provide stable support point for operating lever in the oil injection process, effectively avoid the influence of the stability of support point when the surface of compressor exists oil stain, so that operating personnel can more accurately control oil injection action, improve the reliability and stability of oil injection operation.

The vertical electric servo double-sliding-plate machine comprises a machine frame body, an oil tank body is installed on the outer wall of the machine frame body, when the vertical electric servo double-sliding-plate machine is used, a rapid mold opening and closing cylinder set is opened, the rapid mold opening and closing cylinder set drives a mold opening action upper mold plate to open a mold upwards, and a sliding mold plate is separated from a sliding mold bearing plate under the action of a butterfly-shaped elastic cushion; then material storage is completed, a servo motor is started, the servo motor drives a ball screw pair to act, a sliding mold plate is moved to the right side to the bottom and is positioned and aligned, a rapid mold opening and closing cylinder set acts, an upper mold plate is downwards closed, an ejector acts at the same time, the sliding mold plate and a sliding mold supporting plate are closed in place, and a high-pressure mold closing cylinder set is pressurized; the vertical electric servo double-sliding-plate machine is completed by completing injection of the glue injection action of the injection machine, waiting for the forming time of a product, determining that a right finished product is taken out, and finally determining that the upper mold plate retreats to the bottom, so that a cycle period is completed, and the vertical electric servo double-sliding-plate machine is completed.

This utility model provides a hydraulic-electric single-slide vertical injection molding machine, including a machine body, a fixed seat on the machine body, a feeding fixed plate slidably connected above the fixed seat, a lower seat plate above the feeding fixed plate, and a guide shaft fixedly connected between the lower seat plate and the fixed seat. In this utility model, by setting a double screw drive assembly, the feeding fixed plate, which is fixedly installed on the material tube, can move up and down reciprocally. By setting a single screw drive assembly, the helical structure on the injection transmission mechanism can apply a thrust to the material in the material tube and complete the injection action. Compared with the existing structure using a seat cylinder and injection cylinder drive, this setting can improve injection accuracy, the electric injection accuracy can reach ±0.02, and the injection response is fast, the injection speed is fast, and the consumption of vulnerable parts (cylinder seals, oil seals, dust seals, etc.) is reduced, thus saving costs.

The invention discloses a grasping and fixing device for poultry puncture injection. The grasping and fixing device comprises a support; the gripper frame is mounted on the bracket; a driving mechanism; a mechanical gripper; and a puncture device; wherein the mechanical gripper comprises a thumb part and a four-finger part arranged opposite to the thumb part, the thumb part and the four-finger part cooperatively act, so that a side surface gripping space for gripping the trunk of the poultry is formed between the thumb part and the four-finger part, and an unshielded puncture operation space is formed on the other side of the body of the poultry in a gripping state; the puncture device is arranged on one side of the puncture operation space and used for conducting puncture injection operation towards the poultry body after grabbing is executed. The grasping and fixing device for poultry puncture injection can simulate flexible grasping of a human hand, is adaptive to different poultry body types, and can efficiently and accurately cooperate with puncture injection actions.

This invention provides a disposable injection pen, comprising an upper pen shell assembly and a lower pen shell assembly that are assembled together. The lower pen shell assembly includes a pen cap and a protective shell fitted inside the pen cap. An injection bracket supporting a pre-filled syringe is arranged on the inner ring of the protective shell. The upper pen shell assembly includes an upper pen shell and a drive structure arranged within the upper pen shell. The drive structure is a driving part that pushes the pre-filled syringe to perform an injection action. A screw driven by the drive structure for rotational feeding is also provided within the upper pen shell. The upper pen shell provides double-end center positioning for the screw's rotational feeding motion at both axial ends. By forming a double-end center positioning structure for the screw's rotational feeding motion at both axial ends of the upper pen shell, the coaxiality and motion stability of the screw during the injection process of driving the pre-filled syringe are ensured.