703 results about "Air knife" patented technology

The present application relates to a high-roughness surface treatment method for a braking steel backing, and belongs to the technical field of surface treatment of braking steel backings. The method comprises the following operation steps: step one, placing onto a feeding table a braking steel backing to be processed, and conveying the braking steel backing by means of a conveyor belt so as to perform processing; step two, in an HRT polishing assembly, sequentially passing the steel backing through an ordinary belt sander, a forward planetary gear, a reverse planetary gear and an HRT belt sander to complete the processes of surface roughness treatment and deburring; step three, in a cleaning and rust-proofing assembly, removing processing residues and a saponification liquid from the surface of the braking steel backing by means of a rough cleaning sprayer, and then an air knife I blowing off a cleaning liquid and metal residues; step four, using a rust-proofing sprayer to spray a rust-proofing liquid, and then performing double air cutting; and step five, placing the braking steel backing which has been subjected to surface treatment into a material box for standby storage. By means of treating the surface of the braking steel backing bonded with a friction material, the effects of more stable quality and high-roughness mating surfaces are achieved.

The utility model discloses an anti-slag-returning laser processing system and laser processing equipment, a laser processing head is used for outputting a laser beam, and the laser beam extends along a first direction; the anti-slag-returning assembly comprises an installation structure used for being connected with the spraying end of the laser machining head in an installation mode, a magnetic attraction piece installed on the installation structure and at least one air knife piece, and the laser machining head, the magnetic attraction piece and the air knife pieces are arranged at intervals in the first direction; an air outlet is formed in the air knife piece and used for spraying airflow in the second direction, the airflow is subsonic airflow or supersonic airflow, and an included angle is formed between the first direction and the second direction. And through the arrangement of a double anti-slag-returning structure of the magnetic attraction piece and the air knife, welding slag is prevented from splashing to the laser machining head, the risk that a lens of the laser machining head is polluted is reduced, and therefore the service life of equipment is prolonged, and the laser machining quality is improved.

The invention discloses a hydrolysis-resistant reinforced high-temperature nylon composite material and a preparation method thereof, and relates to the technical field of nylon composite materials. According to the composite material, a PA66-PA46 random copolymer, bio-based polyamide 1010 and PA6 resin are used as matrixes, and are matched with a composite reinforcement formed by silane coupling agent modified carbon nanotubes and hydrolysis-resistant alkali-free glass fibers; and a polycarbodiimide and epoxy-terminated polyether compounded hydrolysis-resistant agent, a bio-based composite nucleating agent, an antioxidant complexing agent, a fatty acid amide flowable agent and an inorganic coloring agent are used as auxiliary materials. The preparation method comprises the following steps: raw material synergistic pretreatment, ultrasonic-mechanical shearing synergistic premixing, dynamic pressure-regulating twin-screw extrusion blending, water mist-water cooling-air knife synergistic cooling pelletizing and vacuum pulse drying-crystallization synergistic post-treatment. The composite material is uniform in structure and stable in performance, has excellent hydrolysis resistance and high-temperature resistance, and is suitable for application scenes with relatively high requirements on material environment stability.

The invention provides a film tearing mechanism and film tearing equipment, the film tearing mechanism is used for tearing a film layer covering the surface of a product, the film tearing mechanism comprises a connecting plate, a film lifting module, a clamping module, a driving module and an air knife module, and the film lifting module, the clamping module, the air knife module and the driving module are all arranged on the connecting plate. The film lifting module comprises a film lifting wheel and a film lifting wheel driving assembly connected with the film lifting wheel, and the film lifting wheel driving assembly is used for driving the film lifting wheel to move to or away from the surface of the product and further used for driving the film lifting wheel to move on the surface of the product in a reciprocating mode so that the corners of the film layer can be separated from the product; the clamping module comprises a clamping jaw group, and the clamping jaw group is used for clamping corners of a film layer; the air knife module is arranged on one side of the clamping module and comprises an air knife, and the air knife is used for blowing air between the film layer and the product after the corners of the film layer are separated from the product, so that the film layer is pre-separated from the product; and the driving module is connected with the clamping module, and the driving module is used for driving the clamping module to move, so that the film layer is separated from the product.

A dishwasher includes a tub having a top wall and opposing sidewalls that at least partially define a washing chamber. A housing coupled to the top wall of the tub. A motor disposed in the housing. A lead screw operably coupled to the motor, the lead screw extends between the opposing sidewalls of the tub. An air knife assembly is operably coupled to the lead screw. The air knife assembly is operable between a stowed state and a deployed state. The motor drives rotation of the lead screw to move the air knife assembly, the air knife assembly including, an air knife defining an air inlet and an air outlet, and a blower coupled to the air knife. The blower is configured to direct air through the air outlet of the air knife to generate an air curtain when the air knife assembly is in the deployed state.

The embodiment of the invention provides a zinc layer thickness control method and system, and relates to the technical field of zinc layer thickness control, the method comprises the steps that real-time feature data of a molten zinc liquid film attached to the surface of a steel strip is obtained, and the real-time feature data is obtained through a non-contact high-frequency sensor array arranged in the width direction of the steel strip; according to the instant characteristic data and a preset mode library, identifying a behavior mode of the molten zinc liquid film; adjusting purging parameters of the air knife according to the behavior mode to obtain target purging parameters; and the molten zinc liquid film is purged according to the target purging parameters, and the target purging parameters are fed back and adjusted according to the purged molten zinc liquid film. The stability and uniformity of the thickness of the zinc layer can be improved.

The invention relates to the technical field of power battery packaging, in particular to a square-shell battery pack temperature-control pressurization rapid curing system and method.The curing system comprises a transverse moving connection mechanism, a temperature control mechanism and a pressurization mechanism, the transverse moving connection mechanism comprises a jacking mechanism and a transverse moving mechanism, the jacking mechanism achieves feeding and discharging of a square-shell battery pack, and the transverse moving mechanism is connected with the temperature control mechanism; the transverse moving mechanism transversely moves the square-shell battery pack to the temperature control mechanism; the temperature control mechanism comprises a touch temperature control mechanism and a blowing temperature control mechanism; the contact temperature control mechanism comprises a temperature control table and a heating plate, and the heating plate is used for performing contact type heating on the square-shell battery pack; the blowing temperature control mechanism comprises a hot air circulation mechanism and an air knife assembly; the air knife assembly is connected with the hot air circulation mechanism through a pipeline and is used for blowing and heating the square-shell battery pack; and the pressurizing mechanism is used for vertically and downwards pressurizing the battery cell pole. The battery pack gluing and curing device can effectively solve the technical problems of poor glue curing uniformity, low curing efficiency and unstable product quality in the existing battery pack gluing and curing process.

This invention discloses a laser thermal spraying gun, belonging to the field of laser additive manufacturing technology. It includes a connecting base, an air knife assembly, an inner nozzle, an outer nozzle, a cooling jacket cover, and a cooling jacket tube. The outer nozzle includes a powder feeding body and a Laval tube. The Laval tube has diffusion holes inside. The Laval nozzle accelerates the airflow through a tapered-expanding structure, forming a high-speed, high-temperature jet environment. This ensures the powder is fully preheated and uniformly dispersed before reaching the substrate. Combining the Laval tube with laser spraying combines the advantages of laser cladding and thermal spraying technologies. The accelerated effect of the Laval airflow, under high temperature and high pressure, allows the powder to fully contact the laser heat source over a sufficiently long flight distance through the Laval nozzle. This enables the powder to form a metallurgical bond with the substrate in a molten state, achieving a bonding strength 2-3 times that of traditional thermal spraying. This method is suitable for confined spaces used in the protection and repair of turbine blades from water erosion.

The invention relates to the related technical field of intelligent equipment, in particular to a row type suction cup mechanical arm for processing and transferring large whole glass, which comprises a mechanical combined arm, a base, a left bracket, a right bracket, a suction cup module, an intelligent sensing module, an air blowing module, a closing switching module and a swing switching mechanism. According to the invention, through multi-mode and self-adaptive airflow control, the problem of glass adhesion caused by atmospheric pressure difference is solved. According to the application, the action combination of small-amplitude translation and overturning is utilized, and the switching of'gentle wind 'and'strong air knife' is matched, so that the generated high-speed air knife is accurately and powerfully blown into a gap, a water film is instantly destroyed, the pressure difference is efficiently eliminated, the adhesion phenomenon between the glass is eliminated at the moment when the glass is overturned to generate the gap, and the transportation work is smoother.

This utility model relates to the field of film coating technology, specifically providing a film coating device. It aims to solve the problems of low yield or high production cost of existing film coating machines. The film coating device of this utility model includes a pressure roller assembly and a film application assembly. The pressure roller assembly includes a first pressure roller, through which the film can be wrapped. The film application assembly includes a first air knife located on the first side of the first pressure roller. The product to be packaged moves from the second side to the first side of the first pressure roller, the first pressure roller and the first air knife bring the film close to the product, and the first air knife adheres the film to the surface of the product. The blowing action of the air knife allows the film to adhere tightly to the surface of the product, and also allows for smooth film application even in uneven areas. The blowing action applies sufficient pressure to each area, preventing air bubbles. During the blowing process, the film gradually adheres to the product, preventing wrinkles. Furthermore, it improves the yield of high-quality products, reduces the production of defective products, and lowers production costs.

The invention provides an air knife drainage system and tableware cleaning equipment, and belongs to the technical field of tableware cleaning, and the air knife drainage system comprises an air knife assembly used for supplying air upwards to form an air knife; and the water tank is connected to the air knife assembly and used for collecting cleaning water entering the air knife assembly, and a drainage mechanism capable of being opened and closed is arranged at the bottom of the water tank. The water tank is arranged to be connected with the air knife assembly, after the rinsing water enters the air knife assembly, the rinsing water can be discharged into the water tank to be collected, the situation that the rinsing water is accumulated in the air knife assembly and influences air conveying is avoided, and therefore the influence that the rinsing water enters the air knife assembly can be avoided, the tableware drying effect can be guaranteed, and the drying efficiency is improved.

The utility model relates to the field of demolding equipment, in particular to non-contact type automatic air knife efficient demolding equipment of a traction-free cold and hot roller press, which comprises a frame, a calendering component and an air compressor, the calendering assembly used for pressing and spreading the materials to be processed into the thin film with the certain thickness is installed in the frame, one side of the frame is communicated with the air compressor used for enabling the pressed film materials to fall off from the surface of the roller, one side of the air compressor is communicated with the airflow connecting pipe, and one end of the airflow connecting pipe is communicated with the flow dividing pipe. The two ends of the flow dividing pipe communicate with two sets of electromagnetic valves, the upper end and the lower end of each set of electromagnetic valve communicate with two sets of air injection pipes, and each set of air injection pipes communicate with air blades. And the pressed film material can quickly and stably fall off from the roller part.

This application discloses an integrated cleaning device, relating to the field of cleaning equipment, comprising a frame; a loading rack installed at one end of the frame; a unloading rack installed at the other end of the frame; a transfer mechanism installed on the frame and used for transferring optical components; a hydrocarbon cleaning unit installed on the frame and adjacent to the loading rack, the hydrocarbon cleaning unit being used to clean optical components using hydrocarbon solvents; and an HFE cleaning unit installed on the frame and adjacent to the unloading rack. This application reduces the footprint by integrating the hydrocarbon cleaning unit and the HFE cleaning unit onto the frame; it reduces mutual interference and improves safety by physically isolating the hydrocarbon cleaning unit and the HFE cleaning unit with partitions; and it prevents large amounts of hydrocarbon solvent from entering the next process by using air knife purging, greatly reducing the contamination load of subsequent HFE solvents and minimizing cross-contamination.

The invention relates to the technical field of high-cleanliness OLED flexible screen supporting film processing, in particular to a high-cleanliness OLED flexible screen supporting film surface blowing cleaning device and a using method thereof.The high-cleanliness OLED flexible screen supporting film surface blowing cleaning device comprises a conveying belt and height lifting units, the synchronous height lifting units are installed on the two sides of the conveying belt, and a cleaning assembly is installed between the upper ends of the height lifting units; a vacuum positioning assembly is installed on one side of the cleaning assembly. An adjusting assembly is installed on the side face of the cleaning assembly. The cleaning assembly comprises a connecting frame, vertical plates are fixedly connected to the lower end of the connecting frame, and a cleaning air knife and an air exhaust unit are rotationally connected between the vertical plates. Through ingenious combination of a mechanical structure, airflow dynamics and a vacuum technology, a closed, controllable and adjustable efficient clean environment is constructed, dust is not simply blown away, and the cleaning efficiency is improved; in particular, the problems of secondary electrification and rebounding of electrified insulating particles, which are difficult to treat by a traditional method, are solved.

The invention relates to the field of wobble plate machines, and discloses an adsorption feeding and placing device for memory card detection, which comprises a body, and is characterized in that a vibration plate is arranged at the lower end of the body, a flow guide assembly is arranged in the vibration plate, the flow guide assembly is used for controlling on-off of an air hole I in the vibration plate, an air knife is arranged at the upper end of the vibration plate, and the air knife is connected with the vibration plate. According to the adsorption feeding and placing device for memory card detection, through cooperation of the flow guide assembly and the recognition system, selective adsorption and fixation of qualified memory cards are achieved, meanwhile, unqualified products are physically isolated through an air knife, and the sorting vibration frequency is greatly reduced. Air film auxiliary conveying enables the cards to move to the optimal grabbing position without damage, and the stroke of the suction head is shortened. The system has an intelligent decision-making capability, and can adaptively adjust a sorting strategy according to the number of qualified products, so that the accuracy is ensured, and meanwhile, the overall operation efficiency and continuity are remarkably improved.

The invention relates to a titanium alloy seamless tube online degreasing device and method.The device comprises a pre-oil-scraping device (42), an outer wall degreasing device (43) and an inner wall degreasing device (44), the pre-oil-scraping device (42) comprises an outer wall oil wiper (4) and an inner wall oil wiper (5), and pre-degreasing is achieved; the outer wall is degreased through a hot water spraying device (15), a degreasing fluid spraying device (16), a brush cleaning device (17), a magnetic polishing degreasing device (18), an annular water jet cutter (19) and an annular air knife (20) of the outer wall degreasing device (43); and the inner wall degreasing device (44) is used for degreasing the inner walls of the two ends of the titanium tube (2) clamped by the quick-plug connectors (36). The method comprises the following steps: S1, physical pre-scraping; s2, online outer wall degreasing; and S3, online inner wall degreasing. And directly connecting with a rolling mill to realize continuous degreasing. The problems that in the prior art, manual participation is large, production continuity is weak, the degreasing effect is poor, and rolling oil pollutes the production environment due to off-line degreasing are solved.

The invention discloses a thin film casting piece cooling device and a control method, the thin film casting piece cooling device comprises a cooling water mechanism, a chilling mechanism and an air blowing mechanism, and the cooling water mechanism comprises a cooling water tank; the chilling mechanism comprises a chilling roller rotationally arranged above the cooling water tank; the air blowing mechanism comprises an air knife, a transverse adjusting assembly, a longitudinal adjusting assembly and a rotary adjusting assembly, the air knife is provided with an air blowing opening, and the transverse adjusting assembly is used for driving the air knife to reciprocate in the horizontal direction perpendicular to the axial direction of the chilling roller so as to be close to and away from the chilling roller; the longitudinal adjusting assembly is used for driving the air knife to reciprocate in the longitudinal direction perpendicular to the horizontal direction so as to adjust the horizontal height difference between the air knife and the chilling roller, and the rotary adjusting assembly is used for driving the air knife to rotate so as to adjust the included angle between the air blowing direction of the air blowing opening and the horizontal direction. The cooling device can meet the cooling process requirements of different thin film casting sheets, and the temperature of the thin film sheets can be effectively and accurately controlled.

The utility model discloses an adjustable drying oven air knife structure, which relates to the technical field of drying ovens, and comprises a shell, an air return base plate arranged in the shell, an air outlet baffle plate, an adjusting piece, a slit baffle plate and a slit opening degree adjusting mechanism, the position of the air outlet baffle on the air return base plate can be adjusted, the opening degree of the air outlet can be changed, and the air outlet flow of the air outlet can be adjusted; through the arrangement of the slit baffle and the slit opening degree adjusting mechanism, the rotation angle of the slit baffle can be controlled, the opening degree of the slit air outlet can be conveniently controlled, and therefore the air outlet flow of the slit air outlet is controlled, the single air outlet amount is upgraded to the variable air outlet amount, so that different pole piece positions accurately receive the temperature requirements, and the same drying effect is achieved; and the cracking problem caused by excessive drying and drying rate difference in the thinned area is avoided.

The utility model discloses a small off-grid and grid-connected lithium battery energy storage device, and relates to the technical field of energy storage equipment. Comprising a cabinet body, a vortex fan is arranged at the inner bottom of the cabinet body, a rack is installed in the cabinet body, strip-shaped air knives are evenly distributed on the two sides of the rack, the strip-shaped air knives are connected with air outlets of the vortex fan through hoses, an energy storage battery is arranged on the lower portion of the rack, a thermistor is attached to the surface of the energy storage battery, and an energy storage converter is placed on the upper portion of the rack. According to the small off-grid and grid-connected lithium battery energy storage device, ventilation and heat dissipation are carried out during working through the exhaust fan, the temperature in the cabinet is kept within a proper range, the thermistor is attached to the surface of the battery, the temperature of the surface of the battery can be directly measured, and when the temperature of the battery reaches an early warning value, air is supplied into the strip-shaped air knife through the vortex fan; under the action of the strip-shaped air knife, a strong air curtain is formed and is directly blown to the battery for cooling, so that the battery can be quickly recovered to a proper working temperature range.

The invention discloses an intelligent crushing cavity adjusting and cleaning control method and device, and belongs to the technical field of mining machinery automatic control. On the basis of the PLC, displacement, torque and humidity sensor data are fused, high-precision adjustment of the diameter of + / -0.1 mm of the crushing cavity is achieved by adopting position-torque dual-mode control, soft torque control is automatically switched to during overload, and fine adjustment and protection are completed; a periodic cavity diameter fine adjustment strategy is introduced for wet and sticky materials, and blocking is effectively prevented. Cleaning control is triggered as required, the air speed and cleaning time of the air knife are adaptively adjusted according to the size of the cavity diameter and the adhesion degree, and the cleaning effect is verified through torque feedback. The system further has the functions of fault diagnosis and automatic reset, the intelligent level, operation stability and crushing efficiency of equipment are remarkably improved, and energy consumption and manual intervention are reduced.

Disclosed herein are apparatuses, systems, and methods for cleaning an exercise mat. The system includes multiple roller pairs configured to transport that mat through cleaning, rising, drying and disinfection stations. Operations defined by logic include spraying cleaning and rinsing solutions onto both side of the mat, simultaneously. Subsequent operations include removing the rinsing solution from mat via air knives and disinfecting the mat via UV light. Sensors detect the presence of the mat at a number of locations within the apparatus and the logic activates and deactivates multiple subsystems based sensor signals. Adjustable spacing between rollers accounts for different mat thicknesses. Volume sensors detect the volume of a solutions within supply containers.

The invention discloses a method for controlling inclined grains on a medium aluminum-zinc-aluminum-magnesium surface, which comprises the following steps of: adjusting a gap of a knife lip of an air knife: aiming at the inclined grains on the edge part of a medium aluminum-medium magnesium-zinc-aluminum-magnesium thick plating layer of which the plating layer is more than or equal to 200g / m < 2 >, adjusting the gap of the knife lip of the air knife, adjusting the gap of 550mm in the middle of the knife lip of the air knife to be 1.2-1.4 mm, then gradually increasing towards two sides at the step length of 110mm and the gradient of 0.05 mm, and adjusting the gap of the knife lip on the edge part to be 1.5-1.7 mm; air knife parameters are controlled, specifically, when the hot dipping speed is 60 m / min or above, the air knife pressure is controlled to be 70 mbar or above, the air knife distance is adjusted according to the weight of a plating layer, and the adjusting range is 12-30 mm; and post-plating cooling process parameter control: the cooling rate of the first section of the cooling section is controlled at 39-41 DEG C / s. The invention aims to provide the method for controlling the inclined grains on the medium-aluminum-zinc-aluminum-magnesium surface, so as to control the inclined grains on the edge of the medium-aluminum-and-magnesium-series zinc-aluminum-magnesium coated steel plate.

The utility model discloses a novel medicine bottle cleaning and blow-drying machine which comprises a machine body and a mesh belt conveyor, a cleaning mechanism and a blow-drying mechanism are horizontally and sequentially arranged on the machine body above the mesh belt conveyor in the material conveying direction, and a water collecting pool is arranged below the mesh belt conveyor. The cleaning mechanism comprises a clear water flushing assembly and a purified water flushing assembly, and the clear water flushing assembly is arranged in front of the purified water flushing assembly; the blow-drying mechanism comprises a high-pressure pulse rotating air assembly and two high-pressure air knife assemblies which are horizontally installed, and the high-pressure pulse rotating air assembly is arranged between the two high-pressure air knife assemblies. According to the device, bottle bodies can be efficiently and thoroughly washed and blow-dried in the conveying and advancing process of the medicine bottles, then the medicine bottle cleaning efficiency is remarkably improved, and the bottle body cleaning effect is very remarkable.

The present application relates to the field of fabric production, in particular to a production process of volcanic rock heating fabric, a production process of volcanic rock heating fabric, wherein the grey cloth pretreatment includes a feeding roller and a winding roller for conveying the base cloth, a selvedge processing mechanism is arranged between the feeding roller and the winding roller and located on both sides of the base cloth, base platforms are arranged on both sides of the base cloth along the edge direction thereof for mounting the corresponding selvedge processing mechanism, the selvedge processing mechanism includes an air knife sprayer and a blocking component for preventing the trimmed lint from adhering to the surface of the base cloth, the blocking component and the base platform form a temporary space for the selvedge to pass through and be processed, in the process of trimming the selvedge of the base cloth, the blocking component limits the trimmed lint in the temporary space, prevents the lint from adhering to the surface of the base cloth, avoids the selvedge of the base cloth being hooked and torn in the subsequent steps, and improves the production efficiency and the production quality of the final fabric.

The utility model provides a galvanometer pneumatic box which comprises a box body, a control processing module, a first air knife pipeline, a first air knife air inlet, a first air knife electromagnetic valve, a first oil-water separator, a pressure sensor and a first air knife air outlet. The first air knife air inlet and the first air knife air outlet are both fixedly installed on the box body, the first air knife electromagnetic valve, the pressure sensor and the first oil-water separator are all fixedly installed in the box body, and the first air knife pipeline is connected with the first air knife air inlet, the first air knife electromagnetic valve, the first oil-water separator, the pressure sensor and the first air knife air outlet; the box body is further provided with a galvanometer air path system, and the control processing module is electrically connected with the first air knife electromagnetic valve, the pressure sensor and a laser control system of the galvanometer. According to the utility model, the problem that the outer protection lens is easy to pollute is solved, the safety of the outer protection lens is improved, and the replacement frequency of the outer protection lens is reduced.

The utility model relates to the technical field of resistance plate browning treatment, in particular to resistance plate browning treatment equipment which comprises a box body, a conveying device used for conveying a resistance plate is arranged in the box body, and a liquid spraying assembly used for spraying atomized browning liquid to the resistance plate is arranged below the conveying device; and an air knife for blowing the resistance plate is arranged on the box body at the tail end of the conveying direction of the conveying device. The method has the advantages that the browning efficiency can be accurately controlled, and then the browning effect is reduced.

The invention provides an automatic volume weight detection device, and relates to the technical field of material detection, the automatic volume weight detection device comprises a shell, the shell is provided with a feeding cylinder, a buffer cylinder and a constant volume cylinder, and the feeding cylinder, the buffer cylinder and the constant volume cylinder are sequentially distributed from top to bottom; a cleaning mechanism for cleaning the constant volume cylinder is arranged in the shell and comprises a linear module, a screw rod, a guide rod and an air knife; the linear module is fixedly connected to the side wall of the shell, the lower end of the lead screw is fixedly connected to the linear module, the other end of the lead screw is fixedly connected to the end of the guide rod, the end, away from the lead screw, of the guide rod is fixedly connected to the linear module, the lead screw is sleeved with a lead screw sleeve in a threaded mode, and a supporting base is rotationally connected to the air knife and slidably arranged on the linear module. The air knife is in axial sliding connection with the guide rod, the air knife is dynamically inserted into the lead screw sleeve, the volume weight of materials is detected in an automatic detection mode, the materials enter the constant-volume cylinder after rotating upward movement of the air knife is converted into axial upward movement, and the constant-volume cylinder is cleaned.

The invention belongs to the technical field of industrial cooling devices, and particularly relates to a cooling recovery device for plastic particle shaping, which comprises a cooling cavity, an ultrasonic cleaning assembly, a high-pressure air knife assembly, a waste heat recovery module and a cleaning trigger module. The ultrasonic cleaning assembly includes a plurality of ultrasonic transducers. The high-pressure air knife assembly comprises a plurality of high-pressure air knives. The waste heat recovery module communicates with the air outlet end of the high-pressure air knife assembly. According to the cooling and recycling device for shaping the plastic particles, the ultrasonic transducers are arranged in a distributed array mode, the ultrasonic cavitation effect can cover all the areas of the inner wall of a flow channel, and the strong adhesion force between molten particles and the wall of the flow channel is broken; the high-pressure air knives arranged in the 360-degree circumferential direction form spiral airflow, all-directional blowing is conducted along the axis and the circumferential direction of a flow channel, and broken particles are removed without dead corners; the waste heat recovery module recovers the purging airflow of the high-pressure air knife, and the recovered waste heat airflow is supplied back to the air compressor, so that the heating energy consumption of the air compressor can be reduced.

The invention discloses a multi-specification galvanization airflow and zinc layer stable control device, and belongs to the technical field of steel pipe galvanization, the multi-specification galvanization airflow and zinc layer stable control device comprises a bottom plate, the upper surface of the bottom plate is in bolted connection with a support, the support is movably connected with an equipment plate through an electric sliding rail, and the lower end of the equipment plate is provided with a clamping module; an air knife module is arranged on the lower surface of the equipment plate; and the upper surface of the bottom plate is in bolted connection with a material box. When the multi-specification galvanization airflow and zinc layer stable control device works, a steel pipe is arranged on a clamping roller in a sleeving mode, then the clamping roller is clamped through a clamping module, then an equipment plate descends, a workpiece enters a material box, the equipment plate ascends after galvanization, at the moment, stirring blades can slightly stir the material box, zinc residues are not precipitated, and the stability of the galvanization airflow and the zinc layer is improved. Meanwhile, the filter plate can move towards the middle position of the material box to cover the material box, so that the zinc slag does not fall into the material box, and in the working process of the filter plate, the filter plate can be pushed by the push rod, so that the filter plate slightly shakes, and the zinc slag is discharged.

The utility model discloses a dust-sticking roller mechanism with an automatic air drying function and a flexo printing machine. The dust-sticking roller mechanism comprises a dust-sticking roller assembly. The dust-sticking roller assembly comprises a dust-sticking roller main body; the protective cover assembly is movably arranged on the side edge of the dust sticking roller main body; the air knife assembly is fixedly arranged on the protective cover assembly and is opposite to the dust sticking roller main body; the protective cover assembly comprises a driving structure; the upper protective cover structure and the water receiving groove structure are in transmission connection with the driving structure and are movably arranged on the side edge of the dust sticking roller body, the driving structure synchronously drives the upper protective cover structure and the water receiving groove structure to move relatively, and wrapping operation on the dust sticking roller body is achieved. According to the dust-sticking roller, the dust-sticking roller body is quickly air-dried through the air knife assembly, and the problem that an existing dust-sticking roller is long in drying time and cannot meet the use requirement is effectively solved.