449 results about "Pneumatic pressure" patented technology

The invention relates to the technical field of medical rehabilitation training, in particular to an intelligent hand training method and system, electronic equipment and a storage medium, and the method comprises the steps: receiving a training mode instruction selected by a user; real-time biomechanical data of the affected side hand are collected through a multi-source sensor array, the real-time biomechanical data comprise finger joint angles, electromyographic signal intensity and a touch pressure distribution matrix, and when the affected side hand is in a mirror image training mode, the six-degree-of-freedom motion trail of the uninjured side hand is synchronously collected; calling a corresponding algorithm model for processing based on the training mode, and generating a control instruction set containing pneumatic pressure parameters, electrical stimulation waveforms and virtual interaction instructions; the control instruction set is sent to a server side, a mechanical glove arranged on the hand of the affected side in a sleeving mode executes corresponding pneumatic-electric combined driving operation, and multi-sense feedback is synchronously presented. According to the application, the composite requirements of patients in different rehabilitation stages on training mode diversity, control accuracy and interactive immersion can be met.

The invention relates to the technical field of loading and feeding devices, and discloses a feeding device and a feeding method for buckwheat powder production. When feeding is needed, negative pressure is generated in the conveying shell through the air pressure control mechanism so that materials can be pressed into the transfer cavity from the feeding pipeline, and in the negative pressure generation process, air sucked by the negative pressure conveys the materials and dust carried by the materials from the transfer cavity to the isolation cavity and then discharges the materials and the dust. Under the action of the dust collecting and trapping mechanism, dust carried by the materials can be trapped and collected by the dust collecting and trapping mechanism, so that dust, impurities and the like carried in the materials can be removed; and after the materials in the transfer cavity are accumulated to a certain degree, positive pressure is generated in the conveying shell through the air pressure control mechanism, so that the materials in the transfer cavity can be output and fed from the feeding output mechanism under the action of the positive pressure and gravity, and the feeding process is continuously carried out in such a circulation manner.

The invention relates to a displacement and pneumatic pressure synchronous measurement method and system, an external trigger system triggers a multi-channel dynamic signal data acquisition system and a pressure scanning valve to synchronously start measurement, and the pressure scanning valve and a laser displacement meter can synchronously measure the pressure and displacement of all pressure measurement points; the pressure scanning valve and the single-channel piezoresistive differential pressure sensor can synchronously measure pressure information of a reference pressure measuring point, and the pressure information serves as accurate basic signal reference data. Time difference calculation is carried out on pressure signals of a reference pressure measuring point measured by the single-channel piezoresistive differential pressure transducer and the pressure scanning valve through a cross-correlation method and a manual alignment method, so that time sequence alignment is carried out on a displacement signal measured by the laser displacement meter and a pneumatic pressure signal measured by the pressure scanning valve. The time difference of the measured signals is calculated accurately, the signal time sequence consistency can be remarkably improved, the accuracy of a final result obtained through synchronous measurement is higher, and more reliable data support is provided for subsequent vibration analysis.

The invention belongs to the technical field of insulator replacement, and discloses a power-assisted upper limb exoskeleton robot for power transmission line tower insulator replacement, which comprises a support frame, a first servo motor is fixed at the top end of the support frame, an air injection mechanism is fixed outside the support frame, and an air pressure adjusting mechanism is arranged at one end of the air injection mechanism. Through cooperation of a gas conveying box, a corrugated conveying pipe, a fourth servo motor and other structures, the device can convey gas flow by starting the fourth servo motor and a fifth servo motor, gas is sprayed out through a gas conveying opening through the corrugated conveying pipe, and the clamping state of the cutting device is kept after a user cuts off a core rod; the angle of the air conveying opening is adjusted, glass fiber chippings and dust generated in the insulator core rod cutting process are vertically blown and swept on the cutting face, the situation that residues affect the follow-up installation sealing performance is avoided, and therefore the purpose that the device conveniently guarantees the insulator replacement accuracy and maintenance in an air blowing mode is achieved.

The invention relates to the technical field of ship and ocean engineering, and discloses a method for installing an integral uncoupling tube on ship and ocean engineering, which comprises the following steps of: modular design and factory preassembly, dividing the integral uncoupling tube into a main shaft tube module, a sealing module, a guide module and an interface module, performing standardized flange design on each module interface, and assembling the main shaft tube module, the sealing module, the guide module and the interface module. The interface machining precision is controlled within 0.02 mm, sealing assembly preassembling, guiding device debugging and module calibration are completed in a factory, air pressure testing and hydraulic testing are conducted on all modules, and interface position data are recorded; module hoisting and hydraulic guide positioning are conducted, specifically, all the modules are hoisted to the installation positions, the modules are controlled to move through a hydraulic guide device, and coarse positioning of the modules is achieved. Through the modularized preassembling and intelligent mounting technology, the mounting efficiency is remarkably improved, and on-site construction steps are simplified; the laser centering and hydraulic correction technology is adopted, high-precision installation is achieved, and stable and reliable operation is guaranteed.

The invention discloses a rocket interstage pressure building separation method and a simulation method.The pressure building separation method comprises the steps that a rocket interstage pressure building separation structure without an initiating explosive device is designed, specifically, a weakening groove is designed in an interstage section structure, and initial crack starts from a longitudinal groove; after the longitudinal groove cracks, the annular grooves at the two ends are driven to crack from the crack initiation groove, and finally the separation process is achieved; the simulation method comprises the following steps: calculating a pneumatic pressure-time curve of interstage pressure building after ignition of a secondary engine by using an engineering algorithm, simulating a damage separation process of an interstage structure, and preliminarily verifying the feasibility of damage separation of the interstage section structure under the pressure building condition; carrying out interstage section fluid-solid coupling simulation based on LS-DYNA, and further verifying that the interstage section can still be completely destroyed and separated after weakening groove pressure relief after longitudinal groove crack initiation; according to the inter-stage separation structure design without the initiating explosive device, the design load requirement during first-stage flight can be met, it can be guaranteed that the inter-stage sections are completely damaged and separated, and the problem that traditional design is high in cost is solved.

The invention relates to the technical field of wide-platform crop cultivation, and particularly discloses a wide-platform large-ridge soybean cultivation fertilizing device which comprises a frame and a bin body located on the frame, and further comprises a plurality of material distributing assemblies connected to the bottom end of the bin body at equal intervals; every two pneumatic pressure devices form a group, and the pneumatic pressure devices in each group are fixedly arranged on the frame at equal intervals. The soil supplementing assembly is arranged on the rear side of the frame, and the output end of the soil supplementing assembly extends downwards to the position below the frame. The multiple ploughing and releasing assemblies are detachably installed below the frame. The ploughing and releasing assembly further comprises a ploughing shovel, a smashing wheel and a soil covering wheel. The wide-platform large-ridge soybean cultivation fertilizing device is high in integration degree, high in structural adaptability and capable of dynamically adjusting the seeding environment.

The utility model discloses a filling pipeline pressure releasing and maintaining stable conveying device which comprises a pressure maintaining device, a pressure releasing device and a pneumatic valve, and particularly comprises a high-pressure plunger pump, the pneumatic valve, a pressure releasing valve and a one-way valve device. Wherein a high-pressure plunger pump is adopted in the pressure maintaining device, pressure oil serves as a pressure source, an air pressure type pressure relief device is adopted in the pressure relief device, according to the air expansion principle, when the pressure exceeds a preset value, air expands to push the device to be started, a one-way valve is arranged in the pressure relief device, and a pneumatic valve is additionally arranged; the method is used for controlling stable conveying of gas in the filling pipeline. According to the structure, through function linkage of the pressure relief device and the pressure maintaining device, stability of slurry conveying is guaranteed, the serious problems of pipeline abrasion, pipe blockage and pipe explosion in the conveying process are avoided, the phenomenon of uneven filling slurry and the safety accident problem are avoided, and the mine production efficiency and safety are improved.

The invention belongs to the technical field of air pressure treatment, and discloses an intelligent pulse anti-thrombus air pressure treatment system based on multi-point pressure monitoring. Comprising the following steps: constructing a pressure sensing network, and monitoring real-time pressure values of a gas tank, a left gas path and a right gas path; performing pressure comprehensive regionalization processing on the feet of the patient to obtain a patient foot regionalization model; constructing a pressure distribution model based on the patient foot regionalization model; according to the pressure distribution model, target pressure values of the left gas path and the right gas path are determined; in the first pressure output period, the gas tank is controlled to release pressure to the left gas path and the right gas path, and the pressure difference value is calculated; on the basis of the pressure difference value, the pressure compensation amount of the gas tank is adjusted through an improved iceberg algorithm, pressure compensation is conducted on the left gas path and the right gas path on the basis of the pressure compensation amount, and a difference value allowable range is preset till the pressure difference value is within the difference value allowable range; the discomfort caused by too high or too low pressure is effectively avoided, and the treatment experience of a patient is greatly improved.

The invention discloses a pneumatic control mounting device based on an air bearing. The pneumatic control mounting device comprises a driving module, a mounting module and an angle adjusting mechanism for driving the mounting module to swing, the mounting module is provided with a through hole structure used for observing the angle of the picked chip. The mounting module comprises an air bearing and a suction nozzle assembly, and the air bearing comprises a bearing seat and a journal penetrating through the bearing seat; the suction nozzle assembly is detachably connected with the shaft neck; the bearing seat is in sliding connection with the shaft neck; a driving cavity is formed between the bearing seat and the shaft neck, air pressure is provided for the driving cavity under the control of the pressure adjusting part, the shaft neck is pushed to extend outwards to mount a chip, and the mounting force on the chip is controlled. According to the application, the pressure of the gas supplied into the driving cavity is controlled through the pressure adjusting part, the shaft neck is pushed through the gas pressure to drive the suction nozzle assembly to mount the chip and apply the mounting force, the mounting force control is more accurate, the overall structure is simple, and meanwhile, the state of the picked chip is observed and adjusted through the perforation structure, so that the chip mounting precision is improved.

The disclosure relates to a leak detection system for a pneumatic braking system of a vehicle. The pneumatic braking system has a control unit, a pneumatic circuit, and an air tank configured to supply pneumatic pressure to the pneumatic circuit. The pneumatic circuit has a plurality of valves configured to be individually controlled by the control unit. The link detection system includes program code configured, when executed by a processor, to individually control the valves of the pneumatic circuit so as to isolate a sub-circuit of the pneumatic circuit. The leak detection module is configured to monitor a pressure in the pneumatic circuit for leaks, wherein the leak detection module detects a leak in the sub-circuit if the pressure decreases while the sub-circuit is isolated.

A pneumatic gauge and pressure control device includes a pneumatic gauge that is manually movable from a neutral position to: (i) a fill position for compressed air to flow from a compressed air source into a system; or (ii) a vent position for compressed air to be vented from the system. The pneumatic gauge can rotate or slide from the neutral position to the fill and vent positions. A method for controlling a flow of compressed air with respect to a pneumatic system includes manually moving a pneumatic pressure gauge from a neutral position to a fill position to cause compressed air to be communicated from an associated compressed air source into the pneumatic system and / or moving the pneumatic gauge from the neutral position or from the fill position to a vent position to cause compressed air to be vented from the pneumatic system.

The present invention discloses a pressure resistance detection device for water meter production, which includes a base and two slide rails. The bottom ends of the slide rails are fixedly connected to the top end of the base. An upper pressing mechanism is arranged between the two slide rails. The upper pressing mechanism includes a movable beam. Both ends of the movable beam are fixedly connected with U-shaped rails, and the U-shaped rails are slidably connected with the slide rails. A pneumatic pressure assembly is arranged at the bottom end of the movable beam. In the present invention, by rotating the first screw rod, the first screw rod drives the flexible circular clamping plate to move up and down. When the first screw rods at both ends are rotated spirally downward and the middle first screw rod is rotated spirally upward, the flexible circular clamping plate has a large bending angle. When the first screw rods at both ends are rotated spirally upward and the middle first screw rod is rotated spirally downward, the flexible circular clamping plate has a small bending angle, so that the flexible circular clamping plate is adjusted to the shape suitable for the conical interface of the water meter, achieving the effect of fixing the interface of the water meter and improving the detection accuracy of pressure detection on the interface of the water meter.

The invention provides a force direction feedback system and method of pneumatic pressure. The system generates a first oscillation signal changing along with air pressure and a second oscillation signal with fixed frequency through a signal conversion module; and the counter counts the cycles of the two paths of oscillation signals. The back noise calibration module samples environment back noise by using a second oscillation signal in a frequency division manner, and eliminates back noise interference in a force count value through a subtractor, so that the problem of detection deviation caused by environment air pressure fluctuation is solved; and the dual-threshold comparison module screens the difference signal through a back noise threshold and an anti-shake threshold, generates a force conversion value, and avoids error output caused by slight fluctuation and shake. The differential operation module processes the force conversion value in combination with the second oscillation signal, the accurate pneumatic force value is output through signal correlation, the pneumatic direction can be distinguished by means of comparison with the fixed reference, and finally accurate and stable feedback of the pneumatic pressure force and direction is achieved.

The invention discloses a corn drought resistance identification test device and method, and belongs to the field of drought resistance identification. A corn drought resistance identification test device comprises a test box, the interior of the test box is sequentially divided into a low-concentration bin, a medium-concentration bin, a high-concentration bin and a contrast bin through telescopic sleeve plates, and the corn drought resistance identification test device further comprises an agent box fixed to the top of the test box; through the air pressure effect generated by reciprocating motion of the piston plate in the piston box, the liquid dropping speed of penetrating fluid is increased firstly, the situation that the inner wall of a pipeline is attached and blocked is avoided, and liquid circulation is ensured; secondly, in the liquid dropping process, atomizing blades are driven to rotate, so that liquid drops are converted into a finer atomized state, and further fall in a larger range and in a uniform state, the accuracy of a test result is improved, meanwhile, the situation that soil is hardened due to large liquid drops is avoided, the porosity and the air permeability of the soil are ensured, and the soil quality is improved. And the accuracy of a test result is improved.

The utility model relates to the technical field of air tightness detection, specifically to a high-precision intelligent air tightness detection test machine, comprising a base plate, a sealing box is fixedly connected to the top of the base plate, an air duct is fixedly connected to the right side of the sealing box, an exhaust fan is fixedly installed on the left side of the air duct, a control valve is fixedly installed in the middle of the air duct, a pressure gauge is fixedly installed on the right side of the air duct, and a pick-up and placement component is connected inside the sealing box; the utility model arranges a pick-up and placement component in the high-precision intelligent air tightness detection test machine, utilizes the motor in the component to drive the rotating shaft to rotate, and at the same time, the transmission sprocket and the tooth chain cooperate to drive two lead screws to drive, and further drive the movable block to drive, thereby driving the lifting plate to be lifted and lowered, and driving the inspection piece to be lifted and lowered, without the need for the operator to put his hand into the test machine cavity to take and place the inspection piece, which is convenient for the operator to take and place the inspection piece and improves the detection efficiency.

The invention relates to the technical field of electrolytic material dissolving equipment, in particular to a material pre-dissolving device for an aluminum electrolysis cell, which comprises a dissolving tank, a compressed air storage chamber is connected to the dissolving tank, a dissolving cavity is arranged in the dissolving tank, and a circulating pipe is arranged at the bottom of the dissolving cavity; a radiation coating, a corrosion-resistant layer, a heating layer, a heat preservation layer and a steel shell are sequentially arranged on the side wall of the dissolving cavity from inside to outside; the lifting assembly is used for driving the dissolving tank to lift; the material storage assembly comprises a material storage bin and a conveying mechanism; a stirring assembly; the air pressure adjusting assembly comprises a negative pressure mechanism and a pressurization mechanism; according to the invention, the material entering the aluminum electrolysis cell is in a molten state, the problems of slow dissolution, precipitation, dust raising and the like of the material are not worried about, and the molten material entering the electrolysis cell can be more quickly diffused to a polar distance area to participate in an electrolytic reaction, so that the anode effect coefficient and the energy consumption are remarkably reduced, and the operation stability is improved.

A chuck for a wafer bonding device includes a body, a chuck portion installed on the body and that forms an internal space together with the body, and that includes a partition that divides the internal space, a valve installed on the body and that provides pneumatic pressure to each divided internal space, and a sensor disposed on the body at a lower portion of the partition. The valve adjusts and supplies pneumatic pressure to the divided internal space so that a shape of an upper surface of a deformable plate of the chuck portion is deformed.

The electrolysis device comprises a box body, a power supply cabinet and an air pressure adjusting assembly, and the interior of the box body is at least divided into a power supply cabin and an electric pile cabin; the power supply cabinet is arranged in the power supply cabin, a heat dissipation channel is arranged in the power supply cabinet, and the heat dissipation channel is communicated with the outside of the box body and isolated from the power supply cabin; and the air pressure adjusting assembly is arranged in the box body and is used for adjusting the air pressure in the power supply cabin to be greater than the air pressure in the electric pile cabin. The problem that in the heat dissipation process of the power supply module in the power supply cabinet body in the power supply cabin, hydrogen leaked from the galvanic pile cabin easily flows to the power supply cabin, so that the electrolysis device has large potential safety hazards is solved.

The invention relates to the technical field of electrochemical machining and manufacturing, in particular to a device for electrochemically removing edge burrs in batches. The problems that in the prior art, various complex parts cannot be machined at the same time, the cathode installation efficiency is low, and a flow field is unstable and uneven are solved. According to the technical scheme, the device comprises a flow guide device, a flow guide fixing plate, an air pressure adjusting device and a cathode and anode conductive device; three stages of communicated flow guide cavities are formed in the flow guide device from bottom to top, a flow guide fixing plate is arranged above the flow guide device, and a workpiece and the flow guide device are fixed through the flow guide fixing plate; air pressure adjusting devices with the same number as the workpieces are uniformly distributed above the flow guide fixing plate along the circumference; a cathode assembly is arranged above the air pressure adjusting device, an anode conductive device is arranged between the air pressure adjusting device and the cathode assembly, the number of anode conductive columns on the anode conductive device is the same as that of workpieces, and the anode conductive columns correspondingly penetrate through the cathode assembly and holes in the corresponding air pressure adjusting device to be connected with the workpieces.

The invention discloses a construction method for a shield tunneling machine to penetrate through an upper-soft and lower-hard stratum. The construction method comprises the following steps that S1, piles are reinforced; s2, tunneling of the shield tunneling machine: the shield tunneling machine determines the tunneling mileage of the shield tunneling machine according to the position coordinates of the reinforcing body, and a soil bin at the front end of the shield tunneling machine is enabled to assist in crossing through an upper-soft lower-hard stratum area by adopting an air pressure and slurry mode; the shield tunneling machine stops when tunneling to the center position of one reinforcing body, a worker enters a soil bin to detect and replace a tool under the condition that the soil bin is under pressure, the cavity position of a stratum between two adjacent rows of reinforcing bodies which just pass through is determined according to the slag falling condition in the tunneling process of the shield tunneling machine, the top of the cavity position is stabilized through a drilling and injecting all-in-one machine, and the drilling and injecting all-in-one machine is used for drilling and injecting the drilling and injecting all-in-one machine. Then the shield tunneling machine continues to conduct tunneling; s3, grouting and stabilizing; and S4, grouting and filling. According to the construction method for the shield tunneling machine to penetrate through the upper-soft and lower-hard stratum, time is reasonably utilized, the whole working procedure is reasonable in design, and construction efficiency is improved while construction safety is guaranteed.

The invention provides a platform door optimization method and system and a storage medium, and the method comprises the steps: obtaining a pneumatic pressure change curve of a basic platform door under a train station-crossing working condition according to a pre-trained pneumatic effect calculation model, performing modal analysis, statics structural strength analysis and fatigue strength analysis on the basic platform door according to the pneumatic pressure change curve, and then converting the basic platform door structure into density variable distribution through a variable density method; the target platform door structure is obtained by iteratively updating density variable distribution according to a preset stress constraint condition by taking structural lightweight, rigidity maximization and fatigue life maximization as targets through a genetic algorithm; and target material performance parameters of the target platform door structure are selected in a preset material database through a Bayesian optimization algorithm and a finite element analysis result under the minimum cost constraint condition.

An electro-pneumatic central pressure control module, having at least two channels, implemented as a structural unit for an electro-pneumatic service brake of a vehicle, having at least two pressure control channels which are electrically controllable with regard to a brake pressure. A central electronic brake control device has a board, carrying electrical and electronic components, in which routines at least for controlling the brake pressure and for controlling the driving dynamics are implemented in the electrical and electronic components. At least one inertial sensor is arranged on or at the at least one board and is electrically conductively connected to at least several of the electrical and electronic components on the board so that the output signals of the at least one inertial sensor are integrated into the at least several electrical and electronic components for carrying out the control of the driving dynamics.

The utility model discloses a pressure regulating valve with a pneumatic pressure sensing assembly, which belongs to the technical field of pressure regulating valves and comprises an inlet valve body and an outlet valve body, an inlet flow channel is arranged at the front end of the inlet valve body, a protruding arc throttling port is arranged at the tail end of the inlet flow channel, and an outlet flow channel is arranged at the rear end of the outlet valve body. A movable seat is arranged on the inner side of the inlet valve body, a fixed seat is arranged on the inner side of the outlet valve body, the center of the side, away from the fixed seat, of the movable seat is connected with a lifting valve element, the lifting valve element extends to the inlet flow channel and is fixedly connected with a valve seat in the inlet flow channel, and an inflation structure is arranged between the fixed seat and the movable seat. And the fixed seat and the movable seat are connected at the edge of the outer ring through a corrugated pipe. Through the movable base and the fixed base which are connected through the corrugated pipe, the size of the throttling opening is accurately adjusted, and balance control over the pressure of an outlet runner is achieved.

A driving robot may be provided and include: a base; a first driving wheel on a left side of the base; a second driving wheel on a right side of the base; and a plurality of caster units at a front and rear of the first driving wheel and a front and rear of the second driving wheel, respectively. Each of the plurality of caster units may include: a caster; and an air suspension configured to dampen the caster so as to be liftable by pneumatic pressure, and wherein the air suspension of a first caster unit among the plurality of caster units is connected to the air suspension of a second caster unit among the plurality of caster units by a single flow path.

A microfluidic plate is described herein comprising a pneumatic manifold with a plurality of pneumatic channels for receiving gas under pneumatic pressure, a fluidic manifold with a plurality of fluid channels for receiving a fluid, a flexible membrane located between the pneumatic and fluidic manifolds and at least one fluid pump formed by the pneumatic channels, fluid channels and diaphragm membrane. The fluid pump includes at least first, second and third sequential valve chambers formed by corresponding portions in a pneumatic channel. A microfluidic system and a fluid pump for use in a microfluidic device are also described herein.

The invention particularly relates to an online fault diagnosis system and method for a pneumatic switch valve. The system comprises an air pressure detection module for acquiring an air pressure parameter P of the pneumatic actuating mechanism; the valve opening detection module is used for acquiring a valve opening parameter ZT; the electric signal acquisition module is used for acquiring an electric signal parameter D of the electromagnetic valve; the control module is used for transmitting a working voltage signal of the master controller and sending a diagnosis test instruction to the test switch; the setting module is used for executing setting operation, generating a diagnosis test instruction and generating a parameter diagnosis basis based on each parameter obtained in the setting operation process; and the analysis module is used for receiving each parameter in the diagnosis operation and obtaining fault detail information of the pneumatic switch valve based on parameter diagnosis basis comparative analysis. The system can comprehensively diagnose the faults of the whole pneumatic switch valve and each component, and meets the safety requirements of advanced intelligent production.

The equidistant cutting equipment for the aluminum turning parts comprises a supporting mechanism and an equidistant cutting mechanism, the supporting mechanism comprises an attaching bottom plate supported on the ground, a supporting shock pad is installed in the middle of the top end of the attaching bottom plate, and an L-shaped supporting clamp is installed on the surface of the top of the supporting shock pad; the equidistant cutting mechanism is installed on the side of the top end of the L-shaped supporting clamp, damping is achieved through the attaching bottom plate and one end of the supporting damping pad, lifting of the corresponding aluminum turning part is achieved through the buffering support, and then one end of the follow-up corresponding aluminum turning part can move front and back conveniently. One end of the cylinder body of the pneumatic pressure cylinder moves back and forth to realize equidistant detection, and one end of the telescopic clamping sleeve is adopted to realize equidistant cutting.

The utility model relates to the technical field of fresh air systems, in particular to an air supply system capable of being automatically adjusted. According to the technical scheme, the clean room comprises a clean room body and further comprises a filtering system which is installed on the clean room body and used for filtering air conveyed into the clean room body. According to the utility model, the frequency conversion fan, the filter system, the monitoring control mechanism, the air pressure regulating valve and other structures are matched, so that the pressure of the clean room can be automatically regulated, the uniform air flow is ensured, the conditions of dead angles or non-uniform air flow are avoided, and more effective air exchange and filtration are facilitated. And meanwhile, the air pressure can be adjusted according to actual requirements, and energy waste caused by over-high air pressure setting is avoided. Environmental fluctuation caused by manual adjustment can be reduced, man-made interference is avoided, and the working comfort of workers is improved. And finally, it is ensured that air is always in a good state, and discomfort or health problems caused by poor air quality of staff can be reduced.

The invention provides a PPR pipe pneumatic cutting-off and hot melting combined machining table, and belongs to the field of PPR pipe cutting machining equipment.The PPR pipe pneumatic cutting-off and hot melting combined machining table comprises a machining table support, a pulley guide rail, a sliding block, a pneumatic cutting device, a foot switch and a PPR hot melting machine, the pulley guide rail and the pneumatic cutting device are both arranged on the machining table support, and the pneumatic cutting device is arranged on the side edge of one end of the pulley guide rail; the sliding block is clamped on the pulley guide rail, the foot switch is arranged on the side edge of the bottom of the machining table support and connected with the pneumatic cutting device, and the PPR fuse machine is arranged on the machining table support. The process from PPR pipe cutting to hot melting is completed on the machining table, procedure connection is formed, line production is achieved, the PPR pipe machining efficiency is greatly improved, the machining and manufacturing time is saved, a graduated scale is arranged, a guide rail and a sliding block are matched to accurately control the blanking length, only the end of the PPR pipe needs to be aligned with the sliding block, repeated measurement is not needed, a pneumatic press is adopted for cutting, and the machining efficiency is greatly improved. And the effects of saving energy and improving efficiency are achieved.