1111 results about "Air knife" patented technology

The invention relates to the technical field of steel plate hot-dip production, and discloses an intelligent scheduling system for a steel plate hot-dip production process. The system comprises a working condition sensing module which is used for continuously collecting steel belt inlet temperature, zinc liquid component concentration fluctuation data, air knife pressure time sequence parameters and roller system operation state signals of a galvanizing pot area; the feature extraction module receives the working condition data flow, analyzes the steel strip surface temperature field distribution features and the zinc liquid viscosity change rule, and generates a process feature spectrum; the parameter optimization module dynamically adjusts membership function parameters and rule base weight coefficients of the fuzzy reinforcement learning controller according to the process characteristic spectrum, and outputs an optimized plating layer control parameter set; the self-adaptive plating layer control module generates a plating layer thickness control instruction based on the real-time zinc liquid temperature parameter and the optimized plating layer control rule set; and the dynamic roller system scheduling module realizes global cooperative control of the roller system speed based on the instruction. The system can realize intelligent scheduling of the steel plate hot-dip production process.

The utility model provides an auxiliary dust removal mechanism for a pipeline, which comprises an air knife, a plurality of air cabins which are annularly distributed are arranged in the air knife, and each air cabin is provided with an air inlet end and an air outlet end; the air adjusting piece is movably connected with the air knife and is used for adjusting the opening degree of the air outlet end; and the advancing rollers are distributed on the outer wall of the air knife and can roll in the axial direction of the air knife. According to the pipeline auxiliary dust removal mechanism and the using method thereof, dead-corner-free dust removal in the telescopic corrugated pipeline can be achieved, the air volume, the air speed and the outer contour size can be flexibly adjusted, the pipeline auxiliary dust removal mechanism adapts to different dust removal working conditions, the dust removal efficiency and cleanliness are greatly improved, and meanwhile the labor intensity of manual dust removal is reduced.

The invention discloses a screen display glass edge grinding device which comprises a grinding seat and grinding wheels, a glass inlet is formed in the grinding seat, the grinding seat comprises a seat body, an air knife seat body and a water knife seat body which form a grinding cavity, and the grinding wheels are vertically inserted into the grinding cavity. The air knife seat body comprises an upper air knife and a lower air knife which blow the grinding wheel and are distributed in an arc shape around the circle center of the grinding wheel; the water jet cutter seat body comprises a water jet cutter and a waste collecting module. On one hand, the closed grinding section is formed between the upper and lower arc-shaped air knives and the grinding wheel, fluid is flushed out through the water jet cutter, waste generated by grinding is flushed out of the grinding section along with rotation of the grinding wheel, the probability that fine dust escapes outwards and is secondarily attached to the surface of glass is effectively reduced, and the collection rate of the waste is improved; and on the other hand, based on cooperation of the main collecting branch and the auxiliary collecting branch, waste rushed out of the second end is shunted and gently collected, the splashing and accumulation phenomena generated when the waste impacts the inner wall of the grinding cavity are effectively reduced, the cleaning frequency is remarkably reduced, and the grinding efficiency is improved.

The utility model relates to section steel hot galvanizing equipment, and belongs to the technical field of hot galvanizing. According to the technical scheme, the low point of the front end of a magnetic roller frame is located on the discharging side of a zinc pot, the high point of the rear end of the magnetic roller frame is matched with an inclined roller way, and the inclined roller way inclines upwards and is matched with the inclination angle of a row of magnetic rollers; an air knife is arranged at the low point of the front end of the magnetic roller frame, and the air blowing direction of the air knife faces the zinc pot; and after the whole group of section steel is adsorbed by the magnetic roller after galvanization on the lifting hook, the surface of the whole group of section steel is cleaned through the air knife, and redundant zinc liquid after cleaning is blown back to the zinc pot. The device has the positive effects that the material receiving hook groups are alternately finished in the processes of material receiving, galvanizing and leading up, the efficiency is improved, the product quality is stable, the whole group of profile steel is led up by adopting the magnetic roller, meanwhile, the zinc blowing treatment is performed on the discharge side of the zinc pot, the process flow is shortened, the air knife is arranged in the area of the zinc pot, redundant zinc liquid is directly blown back to the zinc pot, and the production cost is reduced. And the zinc consumption is further reduced.

The invention relates to the technical field of coating thickness control, in particular to a closed-loop control method, system and equipment for improving the uniformity of a strip steel edge zinc layer and a medium. The closed-loop control method comprises the following steps: step 1, at an air knife injection section, dividing 18 control points at equal intervals in the length of the whole body of an air knife lip, and arranging a thickness gauge behind the air knife; step 2, measuring the thickness of the zinc layer at each point in the width direction of the strip steel by a thickness gauge, and normalizing the width; 3, according to the zinc layer thickness data and the normalized plate width, the strip steel plate shape is fitted based on the Legendre polynomial, and the coefficient # imgabs0 # of the second-order Legendre polynomial is solved through fitting of the least square method; 4, the interval range of # imgabs1 # is judged, and corresponding operation is executed; and step 5, circularly executing the step 2 to the step 4. The method can effectively solve the problem of poor uniformity of zinc layers at the edges of strip steel of different specifications, so that the distribution of the zinc layers in the width direction of the strip steel is more consistent.

A dishwasher includes a tub having a top wall extending between opposing side walls. The tub defines a washing chamber. A dishrack operable between a stowed state within the washing chamber and a deployed state extending at least partially out of the washing chamber. An air drying system is coupled to the tub and includes a housing coupled to the top wall of the tub. The housing extends into the washing chamber proximate the dishrack and defines an air inlet. An air knife coupled to the housing and extending along a width of the washing chamber proximate to the top wall of the tub. The air knife defines a slit. A blower operably coupled to the air knife is configured to draw air through the air inlet and direct the air through the slit of the air knife to generate an air curtain across the width of the washing chamber.

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.

The invention discloses belt type concentration and dehydration equipment for sludge treatment, and relates to the technical field of sludge treatment. The sludge dewatering device comprises a bottom frame and a top frame, the top frame is stably installed at the top end of the bottom frame through bolts, a plurality of guide rollers are rotationally arranged in the bottom frame and the top frame, the outer walls of the guide rollers in the bottom frame and the top frame are sleeved with filter belts correspondingly and used for sludge dewatering, and the ends, close to the discharging opening, in the bottom frame and the top frame are each provided with a desliming assembly. The middle parts of the bottom frame and the top frame are respectively provided with a spray-washing assembly and a vibration composite drainage assembly, and impurity adsorption assemblies are respectively arranged at one ends, close to the feed port, in the bottom frame and the top frame; through the arrangement of the vibration composite drainage assembly and the impurity adsorption assembly, the vibration composite drainage assembly firstly accelerates the separation of water in pores of the filter belt through high-frequency vibration, then cooperates with a high-strength air curtain sprayed by an air knife to quickly peel off water stains on the surface, and then performs secondary adsorption cleaning on residual fine particles on the surface of the filter belt through the impurity adsorption assembly; impurities are effectively prevented from blocking filter holes, and water permeability of the filter strip is maintained.

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 invention relates to the technical field of solar panel frame cleaning, in particular to solar panel frame cleaning and water stain removing equipment which comprises an equipment shell and a frame plate placed in the equipment shell, the bottom face of the frame plate makes contact with the top of a conveying belt in the equipment shell, and cleaning mechanisms are installed at the inner corners of the equipment shell correspondingly. The four cleaning mechanisms are correspondingly installed outside the corners of the frame body plate correspondingly. Silica gel and water mixed liquid obtained after frame plates are washed through the cleaning mechanism is collected through the collecting water tank in the equipment shell, a silica gel filtering sieve plate is arranged in the collecting water tank, so that silica gel is collected in the collecting water tank, and water flows in the external water tank and can be repeatedly used by the cleaning mechanism under the action of water pumps at the two ends of the external water tank; and accumulated water is prevented from generating water mist under the action of airflow in the process of cleaning the water stains attached to the outer side of the frame body plate by the rotary air knife after the cleaning water in the equipment shell is accumulated, and the cleaning effect of the device on the water stains attached to the outer side of the frame body plate is guaranteed.

The invention mainly relates to the technical field of metal surface treatment, in particular to a tinned copper wire surface treatment process which comprises the following steps: pickling and activating: pickling and activating a copper wire by adopting a phosphoric acid-sulfuric acid mixed solution to obtain a copper wire preform; immersing the copper wire preform into a silane coupling agent solution to obtain a copper wire intermediate; the copper wire intermediate is heated and then put into a mixed solution containing rare earth La particles, dip plating is conducted, and the tinned copper wire is obtained; the tinned copper wire passes through a heat preservation area, and the tinned copper wire is led out to enter a sealed ultrasonic vibration uniform flow area; performing multi-stage hot air shaping, and enabling the tinned copper wire to sequentially pass through three groups of annular air knives; cooling the tinned copper wire in an air cooling channel; and immersing the tinned copper wire into the composite passivation solution, taking out the tinned copper wire, putting the tinned copper wire into a centrifugal device, and finally baking the tinned copper wire in an oven. The application breaks through the limitation of the traditional tinned copper wire in binding force, dimensional accuracy and environment resistance, and can meet the requirements of the fields of electronic power, communication transmission and the like on high-reliability materials.

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 utility model relates to the technical field of automatic product surface water removal processes, and discloses a cold-bending product surface cleaning and water controlling device which comprises a conveying rack, a placing rack and an installing rack, and the placing rack and the installing rack are fixedly installed at the end, located on the ground, of the conveying rack. A first gear is fixedly installed on an output shaft of the first motor, a first chain is connected to the outer surface of the first gear in a meshed mode, and a second gear is connected to the outer surface of the other end, away from the first gear, of the first chain in a meshed mode. According to the surface cleaning and water controlling device for the cold-bent product, the four same air knife bodies are arranged and located on the four side lines of the square-shaped structure correspondingly, when the product is located on the conveying roller and reaches the position above the cleaning assembly, the surface of the product can be cleaned in four directions through the four air knife bodies, and the cleaning efficiency is improved. Liquid attached to the surface and scrap iron in the surface can be effectively removed, the working time can be saved, the working efficiency can be improved, and application and popularization are facilitated.

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.

The invention relates to the technical field of drying devices, in particular to a large-size air knife for perovskite solution crystallization, which comprises an air knife body, a multi-stage pressure chamber, at least one air inlet arranged on one side of the air knife body and a linear slit outlet arranged at the bottom of the air knife body. High-pressure gas flows into the air knife body from the air inlet and flows through the multi-stage pressure cavity and the linear slit outlet, the turbulence effect generated by high-pressure gas flow in the inner cavity is relieved in a multi-stage mode, and a stable, uniform and laminar high-speed gas flow beam is ejected from the linear slit outlet. The air knife has the advantages that through the flow channel design of the multi-stage pressure chamber and the linear slit outlet, the problem of non-uniform air outlet of a large-size air knife is effectively solved, and the uniformity of perovskite thin film drying crystallization is improved, so that the performance of a perovskite solar cell is improved.

The invention discloses screen display glass corner grinding equipment which comprises a positioning platform, a transverse moving unit for driving the positioning platform to transversely move along a grinding path and grinding units located on the two sides of the grinding path. On one hand, the grinding section is blocked based on the arc-shaped blocking area formed by the air knife, the first fluid and the second fluid are formed through the water knife, penetrate through the grinding section and are attached to the grinding groove of the grinding wheel and the glass surface to throw waste to the waste collecting part, the waste splashing and remaining probability is effectively reduced, the grinding quality is improved, and meanwhile the waste collecting rate is increased; the accumulation phenomenon is reduced, and the cleaning frequency is obviously reduced; and on the other hand, based on cooperation of the grinding units on the two sides, grinding is synchronously carried out in the transverse moving process of the positioning platform, formed lateral force is offset, the stress distribution of the glass is effectively improved, the probability of deformation and damage of the glass is reduced, in addition, bilateral or diagonal synchronous grinding can be synchronously carried out, and the grinding efficiency is effectively improved.

The utility model discloses a circuit board polishing device which comprises a rack, and the rack is sequentially provided with a feeding mechanism, a polishing mechanism and a cleaning mechanism. The feeding mechanism comprises a plurality of conveying rollers, and the conveying rollers are rotationally connected to the rack; the grinding mechanism comprises a grinding roller and a positioning assembly, the grinding roller is rotationally connected to the rack and used for grinding the circuit board, the positioning assembly comprises a driving part and two positioning plates, and the driving part is used for driving the two positioning plates to get close to each other; the cleaning mechanism comprises a cleaning box and a dust suction box, the cleaning box is provided with a water spraying pipe and an air knife, the water spraying pipe is used for spraying water to the circuit board, the air knife is used for blowing air to the circuit board, the dust suction box is provided with an air pump and an air collecting pipe, the two ends of the air collecting pipe are communicated with the dust suction box and the air pump respectively, and the air pump is used for sucking air to the dust suction box. According to the circuit board polishing device, the position deviation of the circuit board can be reduced, dust can be prevented from adhering to the circuit board, and the polishing quality of the circuit board is improved.

The invention discloses an intelligent chain type conveying device for food packaging bags and relates to the field of food industrial processing, the intelligent chain type conveying device comprises a device body, conveying chains are symmetrically installed on the two sides of an inner cavity of the device body, bag pressing assemblies are symmetrically and movably connected to the two ends of an inner cavity of a dustproof frame, and a first deviation rectifying assembly is movably connected to the top of a connecting pile. A distributed proximity switch array is installed on the outer wall of the first deviation rectifying assembly, and an air knife assembly is installed at the top of the device body. According to the intelligent chain type conveying device for the food packaging bags, automatic deviation correction can be conducted on the food packaging bags, efficient cleaning can be conducted on the food packaging bags, the cleaning guarantee grade of the food packaging bags can be remarkably improved, meanwhile, during transportation, shaping and flattening can be conducted on the food packaging bags, and bulging can be eliminated; and local upheaval of food in the food packaging bag in the transportation process can be avoided, and the efficiency of subsequent stacking work on the food packaging bag can be improved.

The invention relates to a zinc-aluminum-magnesium alloy coated steel plate / strip for photovoltaic structure manufacturing and a production method, and belongs to the field of metal material processing and manufacturing. The base material is composed of 0.15%-0.20% of C, 0.20%-0.3% of Si, 0.5%-0.8% of Mn, less than or equal to 0.025% of P, less than or equal to 0.015% of S, 0.03%-0.07% of Als, 0.010%-0.020% of N, 0.020%-0.040% of Ti, 0.010%-0.030% of V and the balance Fe and inevitable impurities; ti + V = (0.2-0.45) x (C + N). The method comprises the steps of hot rolling, acid pickling, cold rolling, annealing, hot dipping, air knife purging and finishing. The technology improves the stability, obdurability and surface quality of the plate. The problems that a zinc-aluminum-magnesium steel plate alloy prepared in the prior art is single in strengthening, high in cost, wide in strength range, low in ductility and large in performance fluctuation are solved.

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 present application belongs to the technical field of workpiece hoisting, and particularly relates to a multi-position adaptive bevel sponge suction cup gripper. The present application comprises a fixed plate, a mounting flange and a vacuum generator mounted on the fixed plate, and a plurality of upper and lower floating assemblies mounted below the fixed plate; the end of the upper and lower floating assemblies away from the fixed plate is rotatably connected with a vacuum sponge suction cup through a floating joint; a centering spring is sleeved outside the floating joint, and a vacuum air pipe assembly is arranged between the fixed plate and the vacuum sponge suction cup. The present application realizes adaptive adjustment of different heights and angles through a plurality of air knife mounting plates and floating joints, can satisfy the suction of objects with large bevels or inconsistent bevel angles without worrying about the falling or inability to be sucked of the objects due to poor fitting, and a one-way check valve is further mounted in the present application to avoid the situation that the object to be gripped cannot be sucked due to air leakage of a single vacuum sponge suction cup when a broken hole exists in the object to be sucked.

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.

The utility model discloses an air knife device and a coating machine, and relates to the technical field of battery production equipment, the air knife device comprises a heater, an air pipe, an air knife and a temperature control assembly; the heater is configured to heat a gas source flowing through the heater; the air pipe communicates with an outlet of the heater; an air inlet of the air knife communicates with the air pipe; the temperature control assembly is arranged on the air knife and is configured to detect the temperature of the air source flowing through the air outlet of the air knife and control the heating temperature of the air source flowing through the air outlet of the air knife. According to the technical scheme provided by the utility model, the air knife device capable of accurately controlling the output temperature of the air source is provided.

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 relates to a semiconductor stripping device and a semiconductor stripping method. The semiconductor stripping device comprises a bearing structure used for bearing a wafer to be stripped, and the wafer comprises an ion implantation layer, a first silicon layer and a second silicon layer, and the first silicon layer and the second silicon layer are located on the two opposite sides of the ion implantation layer; the hand grabbing assembly is located outside the bearing structure in the first horizontal direction, the hand grabbing assembly comprises a plurality of hand grabbing structures which are arranged at intervals in the vertical direction, the hand grabbing structures are used for stripping the wafers of various sizes, each hand grabbing structure comprises an air knife, and each air knife comprises a nozzle used for spraying gas to the corresponding wafer. According to the invention, the same semiconductor stripping device can strip wafers with different sizes, the utilization rate of the semiconductor stripping device is obviously improved, and the cost of a semiconductor manufacturing process is reduced.

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.