11results about How to "Automatic pressure adjustment" patented technology

The utility model provides a high-temperature-resistant wide-mouth bottle, which relates to the technical field of wide-mouth bottles, and comprises a bottle body and a reinforcing assembly arranged on the inner side of the bottle body, the reinforcing assembly comprises a pressure-resistant assembly arranged on the peripheral side of the bottle body and a pressure relief assembly arranged on the outer side of the end part of the bottle body, the pressure-resistant assembly is used for improving the high-temperature resistance of the bottle body, corrosion of high-temperature objects or liquid to the device can be effectively resisted through the first composite layer, the second composite layer and the third composite layer, the service life of the device is prolonged, compared with a container made of a traditional material, the applicability in the high-temperature and strong-corrosion environment is greatly improved, and the use is convenient. The heat insulation design of the second composite layer remarkably reduces heat loss, keeps the high-temperature environment in the bottle stable, and reduces energy consumption.

The utility model relates to air flow optimization technical field, and disclose the spinning cup air flow optimization device of air flow spinning machine, including spinning cup, the bottom of spinning cup is provided with the base, the inside of spinning cup is close to the top and is provided with the air intake adjusting assembly, the inside of spinning cup is close to the bottom and is provided with the air flow steady pressure subassembly. The spinning cup air flow optimization device of air flow spinning machine, through being provided with air intake adjusting assembly, can adjust the angle of louver blade, the turning angle of adjacent upper and lower two layers louver blade is mutually complementary and is set up, when needing to increase the air flow intensity, the blade is adjusted to the larger inclination angle, increases the air intake amount, if wants to optimize the air flow stability, then adjusts the blade angle and makes the air flow more gently enter the spinning cup, to adapt to different fibre raw material and spinning process demand, makes the spinning cup inside can set up the air flow adjusting part, can improve the air flow distribution and stability in the spinning cup, the quality and yield of yarn are high.

The utility model relates to the technical field of plastic forming molds, in particular to a nozzle for a hot runner, which comprises a main body, a nozzle component is arranged at the top of the main body, and a sealing component is arranged at the top of the nozzle component; according to the utility model, a combined sealing structure of the elastic sealing ring and the sealing gasket is arranged between the nozzle bin and the connecting pipe, so that materials can be prevented from leaking, and the double-sealing structure can effectively prevent molten plastic from leaking from interfaces between the nozzle and the runner plate as well as between the nozzle and the mold; the temperature change in the nozzle bin can be monitored in real time through the temperature sensor, the accuracy of temperature control is ensured through high-precision monitoring, the power of the electric heater is adjusted through the external power source, the temperature change can be rapidly responded, the heating power can be adjusted in time, and it is ensured that the temperature in the nozzle bin is always kept within the set range; and the fluctuation of the temperature in the nozzle bin can be effectively reduced through precise temperature control, and it is ensured that the plastic always keeps good fluidity in the injection process.

The utility model relates to the technical field of part grinding equipment, and discloses a self-adaptive part grinding and polishing device, which is characterized in that a self-adaptive grinding component is matched with a lifting component, so that an abrasive belt can automatically adjust the grinding pressure and the contact state according to the surface height of a part, and the grinding uniformity and the surface quality are improved. The position and tension of the abrasive belt can be automatically adjusted, the device adapts to parts of different shapes and sizes, the grinding quality and efficiency are improved, meanwhile, through the linkage design of the lifting assembly and the sliding clamping assembly, the clamping position is flexibly adjusted, the parts are stably clamped, automatic positioning and clamping of the parts are achieved, and the machining efficiency and operation convenience are improved; and the device is suitable for rapid switching and batch processing of parts of various specifications.

The utility model relates to the technical field of polishing devices, and discloses a steel pipe polishing device for lightning rod production, which comprises a workbench, a fixing assembly is arranged at the top of one side of the workbench, a polishing assembly is arranged at the top of the workbench, and the fixing assembly comprises a mounting plate fixedly connected to the top of the workbench. A first motor is fixedly connected to the left side wall of the mounting plate, a mounting cavity is fixedly connected to the output end of the first motor, a first gear is rotatably connected to the interior of the mounting cavity, at least one second gear is arranged around the first gear, and the first gear and the second gears are meshed with each other; threaded rods are fixedly connected to the interiors of the second gears correspondingly, and octagonal grooves are formed in one ends of the threaded rods. According to the steel pipe polishing device, through the structural arrangement of the fixing assembly, the problems that in the prior art, after a steel pipe is fixed, the polishing range is limited to the top area of the steel pipe, and dismounting and adjusting need to be conducted again after polishing is completed are solved.

The utility model discloses a kind of automatic pressure regulating systems of wringing roller, belong to wringing roller pressure regulating technical field. Including wringing roller device, pressure pipeline and control circuit, wringing roller device both ends are provided with telescopic air cylinder for adjusting the pressure of wringing roller;Pressure pipeline includes pressure gas source, ball valve, electromagnetic reversing valve, first one-way throttle valve, second one-way throttle valve and proportional pressure regulating valve;Control circuit includes pressure sensor and controller, pressure sensor is installed on the pipeline between proportional pressure regulating valve and telescopic air cylinder, pressure sensor and proportional pressure regulating valve are connected with controller, and the pressure signal of pressure sensor is received by controller and the outlet output pressure gas value of proportional pressure regulating valve can be controlled. Solve the technical problem that wringing roller pressure regulation is not timely, unstable in prior art, leading to poor wringing effect, equipment wear aggravation, low production efficiency.

This utility model relates to the field of water replenishment and degassing technology for thermal systems, and proposes a constant pressure water replenishment and vacuum degassing device, comprising: a mounting base, an expansion tank fixedly connected to the top of the mounting base, an expansion tank mounting port fixedly connected to the bottom of the expansion tank, a main pipe bolted to the bottom of the expansion tank mounting port, an outlet pipe fixedly connected to the circumferential surface of the main pipe, an inlet pipe fixedly connected to the circumferential surface of the main pipe, a degassing tank fixedly connected to the top of the mounting base, a degassing valve fixedly connected to one side of the degassing tank, one end of the inlet pipe bolted to one end of the degassing valve, a parallel pipe bolted to the side of the degassing tank away from the degassing valve, a branch pipe fixedly connected to the circumferential surface of the parallel pipe, and a control cabinet mounted on the top of the mounting base. This technical solution solves the problem of water replenishment and degassing in existing thermal systems.

The utility model discloses a metal coil surface polishing and grinding device which comprises an installation machine frame, material clamping and pressing assemblies are installed on the left side and the right side of the installation machine frame respectively, a polishing and grinding assembly is installed on the rear side of the installation machine frame, a control assembly is installed on one side of the installation machine frame, and each material clamping and pressing assembly comprises a material clamping and pressing installation base. The material clamping and pressing installation base is fixedly installed on the side portion of the installation rack, a left material clamping roller bearing assembly, a right material clamping roller bearing assembly, an upper material pressing roller assembly and a lower material pressing roller assembly are installed on the material clamping and pressing installation base, the polishing and grinding assembly comprises a dovetail sliding block installation plate, and the dovetail sliding block installation plate is fixedly installed on the rear side of the installation rack. A dovetail sliding block is installed on the side portion of the dovetail sliding block installation plate, a polishing and grinding wheel main motor is installed on the side portion of the dovetail sliding block, and one end of the polishing and grinding wheel main motor is connected with a belt wheel. The speed of the polishing and grinding head can be automatically adjusted according to the speed of an assembly line, automatic starting and stopping can be achieved through linkage with the assembly line, manual intervention on machinery is reduced, and convenience is improved.

This utility model discloses a vector water supply device equipped with a pump control unit, relating to the field of water supply equipment technology. It includes a water pump module, a pressure stabilizing tank, a first pressure sensor, and a control cabinet module. The water pump module comprises multiple vector variable frequency pumps, each with its inlet connected to a water tank for water supply. The outlets of these pumps are connected in parallel to a common outlet manifold. Each pump integrates a variable frequency drive board, a PLC control board, and a status sensor. The pressure stabilizing tank is connected in parallel between the inlet and outlet of the water pump module, and an electrically controlled valve is installed on the delivery pipeline. The first pressure sensor is installed on the outlet manifold. This utility model employs distributed control, improving product reliability and reducing operating costs. It allows for monitoring of the equipment's operating status, preventing prolonged operation in a faulty state and reducing maintenance costs.

This utility model relates to the technical field of cold bending production equipment, and discloses a continuous cold bending production device for several types of steel frames used in greenhouses. It includes two connecting frames. A servo motor is fixedly connected to one end of one connecting frame, and the output end of the servo motor passes through the connecting frame. A uniformly distributed synchronous pulley is rotatably connected to the other end of the connecting frame, and the synchronous pulley is fixedly connected to the output end of the servo motor. A synchronous belt is provided between adjacent synchronous pulleys. A connecting rod is fixedly connected to one end of each synchronous pulley. A forming roller is slidably connected to one end of each connecting rod. A first spring is fixedly connected to one end of each forming roller. In this utility model, the forming roller can be quickly detached from the connecting frame through the linkage between the connecting rod, forming roller, first spring, limiting rod, slot, fixing block, fixing rod, second spring, threaded rod, and pressure plate.

The application discloses a sealed waterproof door and window, relates to the technical field of waterproof doors and windows, and comprises a window frame and a window sash, and an intermediate sealing rubber strip is arranged on the window frame; when the window sash is butted with the window frame, the intermediate sealing rubber strip forms a watertight cavity on the outdoor side between the window sash and the window frame and forms an airtight cavity on the indoor side; a flow guide hole is arranged on the indoor side of the window sash and is communicated with the watertight cavity, a drainage hole is arranged on the outdoor side of the window frame and is communicated with the watertight cavity, and an air pressure self-balancing mechanism is arranged in the intermediate sealing rubber strip, and the air pressure self-balancing mechanism automatically balances the air pressure of the airtight cavity and the watertight cavity. The air pressure self-balancing mechanism is used for automatically adjusting the pressure between the airtight cavity and the watertight cavity, weakening and eliminating the pressure difference between the airtight cavity and the watertight cavity, preventing the intermediate sealing rubber strip from deforming due to the pressure difference, preventing gaps from being formed at the connecting position of the intermediate sealing rubber strip, preventing rainwater from penetrating into the window frame, and further improving the sealing and waterproof effect.