2251results about "Electrostatic charges" patented technology

The invention discloses a roll-to-roll cleaning control method and system for a flexible circuit board electronic structural member, and relates to the technical field of electronic manufacturing, and the method comprises the steps: carrying out the partitioning processing of a to-be-cleaned member, and obtaining a thin region and a thick region; the drying cavity is partitioned on the basis of the thin area and the thick area, and a partitioned temperature control method is constructed; a dehumidification drying module is placed, and a hot air drying method is obtained based on a chilled mirror dew-point instrument; the roll-to-roll cleaning control method is used for solving the problems that in an existing roll-to-roll cleaning control method for the flexible circuit board electronic structural part, differential temperature control is not carried out on a thick area and a thin area, and the influence of environment humidity in a drying cavity on the drying effect is not considered; the problems that a thin plate is overheated after being dried, water in a thick plate is not completely evaporated, watermarks which cannot be wiped appear on the surface of the electronic structural part, and then the practicability of the cleaned electronic structural part is affected are solved.

The invention discloses a mobile phone screen pressure detection device and detection process, and relates to the technical field of mobile phone screen detection, the device comprises a cleaning module, a multi-point simulation type pressure loading module, a support positioning module and a control processing module; the cleaning module is used for performing multi-stage cleaning on the surface of the screen before the pressure test; the loading module comprises a plurality of loading units capable of implementing independent and controllable pressure loading on a plurality of areas of a mobile phone screen; the supporting and positioning module is used for accurately fixing a to-be-tested mobile phone screen, and the control processing module is used for controlling execution of a cleaning and testing process and realizing abnormity identification and data acquisition; the method can effectively avoid the pressure test error crack caused by sundries and particles on the surface of the test screen, improves the accuracy and automation degree of the screen pressure detection, and is suitable for the mobile phone screen factory detection or the screen pressure test in the research and development process. The technical problem that an existing screen pressure test is low in accuracy is solved.

The invention provides low-temperature supersonic airflow collision ultramicro equipment, which belongs to the field of material crushing and processing, and comprises a feeding device, an airflow collision device, a closed-loop type circulation grading device, a material receiving device, a gas cooling device and a gas inlet device, and the gas inlet device is used for providing a high-pressure gas source for the equipment; the gas cooling device cools the high-pressure gas to a preset low temperature, and then the high-pressure gas is fed into the gas flow collision device after being subjected to pressure regulation through the gas feeding pipeline; the airflow collision device comprises a collision chamber and at least one pair of opposite nozzles, the horizontal distance between the paired nozzles can be adjusted, the air supply pipeline and the feeding pipeline are connected with the nozzles after being intersected, and high-pressure air is sprayed out through the nozzles to form supersonic jet flow to drive materials to collide with each other in the collision chamber. And the collided materials are subjected to closed-loop circulation classification and then enter a material receiving device, and large particles are subjected to circulation collision crushing again. The ultramicro equipment disclosed by the invention can be used for crushing various plant raw materials into 1-10 microns, and has a good application prospect.

A reticle pod with backside static dissipation has an inner pod defining an accommodation space for a reticle. Multiple flexible guiding components are correspondingly disposed on multiple outer mounting portions of the inner pod in order to guide an inner cover and an inner base of the inner pod to position without relative displacement. Multiple conductive retainers are correspondingly arranged in the accommodation space to push against a backside of the reticle and form a full-time electrical conduction with the back side of the reticle, so as to establish a static dissipation path by the conductive retainers and the inner pod. Meanwhile, with the conductive retainers pushing against the reticle as well as the flexible guiding components providing the inner cover and the inner base with automatic position guiding, the reticle is automatically pushed and positioned to a center position of the inner base.

The invention relates to the technical field of printing equipment, in particular to a printing ink drying device for anti-counterfeiting stained paper, which comprises a rack, a conveying mechanism is arranged above the rack, a drying box body is arranged above the conveying mechanism, and the drying box body is sequentially divided into a leveling preheating area, a main curing area and a forced cooling area along the conveying direction; the conveying mechanism comprises a high-temperature-resistant conveying mesh belt and a vacuum adsorption platform arranged below the mesh belt; an LED-UV cold light source assembly is arranged in the main curing area, infrared heating pipes transversely arranged in the leveling preheating area and a reflecting cover above the infrared heating pipes are matched with the LED-UV cold light source assembly with a water-cooling circulation flow channel in the main curing area and an external cooling-water machine, and printing ink is evenly heated through infrared radiation to be leveled firstly; curing is completed through low-temperature ultraviolet light, a light source is cooled synchronously in a circulating mode, the effects of ink flat curing and paper low-heat deformation are achieved synchronously, and high-speed continuous operation is effectively supported.

The invention discloses an automatic cleaning device for flyings, dust and impurities on the surface of a leather roller of a drawing frame, and relates to the technical field of drawing frames. The leather roller comprises a leather roller seat, a leather roller body is installed on one side of the leather roller seat, and a scraper is arranged on one side of the leather roller body. Through the rotation effect of the rotating rod, the fixing cylinder and the stand column in the anti-blocking mechanism, scraped flyings are wound on the surface of the stand column, the flyings are prevented from directly blocking the filter screen, and therefore it is guaranteed that the ventilation quantity of the filter screen is stable. Flying is further guided to flow to the fixed cylinder through cooperation of a material guide plate and a semi-ring sleeve, accumulation is reduced, the maintenance frequency is reduced, the cleaning efficiency is improved, the humidification mechanism monitors the humidity of the working environment of the leather roller in real time through a hygrometer, when the humidity is lower than a set value, a linkage assembly automatically starts an atomization plate to spray water mist, and static electricity is effectively reduced. The reduction of static electricity can obviously reduce the adsorption of flying and dust impurities, a virtuous cycle is formed, the surface of the leather roller is protected, and the service life of equipment is prolonged.

The invention discloses a method for preparing micro-nano fibers through needle-free electrostatic spinning equipment assisted by an ion blower gun, and belongs to the technical field of spinning. The method specifically comprises the following steps: S1, dissolving a high-molecular polymer in a proper solvent to prepare a spinning precursor solution; and S2, preparing the micro-nano fiber from the spinning solution on a suitable collection surface by using an ion blower gun assisted needleless electrostatic spinning device. Through the synergistic effect of directional airflow generated by the ion blower gun and a controllable electric field, fiber surface charges are effectively neutralized, the jet instability is inhibited, and the controllability of a fiber flight path is improved. Meanwhile, the ionic wind assists in enhancing interface attachment between the fiber and the collector, uniform deposition is promoted, and the compactness and adhesive force of the fiber membrane are remarkably improved. According to the method, chemical modification does not need to be carried out on a material system, the intrinsic performance of the fiber is kept, universality and expandability are achieved, and a new path is provided for continuous preparation of the high-performance micro-nano fiber.

The utility model discloses a knitting mechanism for knitwear production, which comprises a bottom plate, and a vertical frame is provided with a guide-in structure for loosening and conveying yarns; the guiding-in structure comprises a guiding-in seat, the guiding-in seat is arranged on the vertical frame, a guiding-in cavity is formed in the middle of the guiding-in seat, a first conductive tensioning sleeve is rotationally arranged on one side in the guiding-in cavity and rotationally arranged on a first conductive rod, and a second conductive tensioning sleeve is rotationally arranged on the other side in the guiding-in cavity and rotationally arranged on a second conductive rod. The second conductive tensioning sleeve is rotationally arranged on the second conductive rod, and the first conductive rod and the second conductive rod are arranged on the two sides in the guide-in cavity. According to the static electricity removing device, multi-stage tensioning can be conducted on yarn, the stability in the yarn conveying process is improved, the situation that the yarn loosens or deviates in the yarn conveying process is prevented, and the static electricity can be removed.

The invention discloses a dust removal device and method for a spraying production line, and belongs to the technical field of product dust removal. The dust removal device comprises a conveying mechanism, and a feeding area and a discharging area are arranged at the two ends of the conveying mechanism correspondingly. A manual dust removal area, a brush dust removal mechanism, a single-workpiece electrostatic dust removal mechanism and a flame dust removal mechanism are sequentially arranged between the feeding area and the discharging area in the conveying direction, and manual wiping, brush sweeping, ionization high-pressure airflow blowing and flame burning dust removal are sequentially conducted on workpieces. A multi-workpiece dust removal mechanism is arranged on one side of the discharging area and comprises an air shower, an electrostatic generator and a conveying chain, workpieces are fixed to a hanging bracket after being discharged and are conveyed to the air shower through the conveying chain, and air is ionized through the electrostatic generator and blown into the workpieces for electrostatic dust removal. According to the device, various dust removal modes are combined, various pollutants on the surface of the workpiece can be effectively removed, the dust removal efficiency is improved, the device adapts to different workpieces, and the spraying quality is improved.

The invention belongs to the technical field of stamping machining feeding, and particularly relates to automatic feeding equipment of a continuous stamping die, which comprises an automatic feeding machine, the automatic feeding machine is arranged on one side of stamping die equipment and is used for automatically feeding the stamping die equipment, a feeding cavity is formed in the automatic feeding machine, paired feeding rollers are arranged in the feeding cavity, and the feeding rollers are connected with the automatic feeding machine. The feeding roller is connected with power equipment on the inner wall of the feeding cavity; the compacting plates on the upper side and the lower side are controlled to be close to the surface of the metal coiled material, meanwhile, airflow containing positive and negative ions is released, the electrostatic adsorption effect between metal chippings and the metal coiled material is reduced, and the metal chippings are promoted to be separated from the surface of the metal coiled material along with the flowing airflow and enter the recycling cavity along with the airflow; the defect that metal scraps on the surface of the metal coiled material are difficult to clean normally due to the electrostatic interaction is effectively overcome, purification treatment on the metal scraps attached to the surface of the metal coiled material is achieved, and the surface quality of the metal coiled material is improved.

A physiological signal monitoring device includes a base and a transmitter. The base is provided with a biosensor. The transmitter is removably coupled to the base, and includes a casing and an electrostatic-discharge protective unit. The casing has a socket for the biosensor to be removably inserted thereinto. The electrostatic-discharge protective unit is disposed to at least surround the periphery of the socket to dispel static electricity when electrostatic discharge occurs.

A down-proof performance tester relates to the field of down jacket performance detection equipment, and comprises a base, a console, a rotating box, an ion fan, a ventilation mechanism and a collection mechanism, and the console is arranged on the base; the rotating box is driven by the console to rotate; an outlet capable of discharging down feather is formed in the bottom of the rotating box; the ion fan faces the rotating box; the ventilation mechanism comprises a plurality of ventilation holes, a first guide rail and a shielding plate, and the ventilation holes are formed in the face, opposite to the ion fan, of the rotating box; the first guide rails are formed on two sides of the vent holes; the baffle plate is movably arranged between the two first guide rails so as to open or seal the ventilation hole; the collecting mechanism is connected with the outlet and can seal or open the outlet to collect down feather. After the box rotation is finished, the baffle plate is lifted, the ion fan is started, and the air is blown into the rotation box through the ventilation holes, so that static electricity in the rotation box can be eliminated, down feather adhered to the inner wall of the rotation box falls off, the down feather is collected through the collecting mechanism below, the down feather detection device is more convenient and quicker, and the detection efficiency is improved.

The invention provides a glass substrate static electricity eliminating and packing paper grabbing device which comprises a collecting assembly, a conveying assembly and a loading unit are arranged on the front side of the collecting assembly, a guiding and conveying unit is erected on the top of the collecting assembly, and a first mechanical arm and a second mechanical arm are assembled at the driving end of the guiding and conveying unit; an adsorption assembly is installed at the output end of the second mechanical arm in a butt joint mode, a feeding component is installed at the output end of the first mechanical arm in a butt joint mode, an electrostatic elimination unit is fixedly installed in the feeding component, clamping units are assembled on the two sides of the top of the feeding component, and the clamping units extend to the front side of the feeding component. Positive and negative static charges at the interface can be quickly neutralized through the air blowing nozzles uniformly distributed on the ion air pipe, the electrostatic adsorption force between the packing paper and the base plate is thoroughly damaged, compared with a traditional local static elimination mode, the neutralization efficiency is remarkably improved, instant separation of the packing paper and the base plate can be achieved, and manual intervention is not needed in the separation process.

The invention relates to an adjustable new energy automobile battery pack safe storage support, and belongs to the technical field of new energy automobile battery pack storage equipment. Comprising a platform car, a static dissipation platform, an extension platform and an operation system, the platform car is provided with Mecanum wheels connected with a driving motor, a storage platform is connected with the platform car through a lifting driving mechanism, the static dissipation platform is used for storing a battery pack, the extension platform is installed on the storage platform, and the extension platform is adjustable and used for storing the battery pack after the battery pack on the storage platform is fully loaded. The storage space of the battery pack is increased through adjustment so as to adapt to special conditions, and the operation system is installed on the platform car, is in butt joint with the storage platform and is used for operating the specified battery pack on the storage platform. The adjustable new energy automobile battery pack safe storage support has the advantages that the storage safety of the battery pack is improved, the storage space is flexibly adjusted, the electrostatic protection capacity is enhanced, the operation positioning precision is improved, and the adjustable new energy automobile battery pack safe storage support adapts to sudden storage requirements.

The invention discloses an optical lens online appearance flaw detection device, and relates to the technical field of lens appearance detection, the optical lens online appearance flaw detection device comprises a workbench, the workbench is provided with a cleaning module and a detection module, the cleaning module is used for cleaning the surface of a lens, and the detection module is used for carrying out appearance detection on the cleaned lens; the cleaning module comprises a clamping assembly, a wetting assembly and a wiping assembly, and the clamping assembly is used for clamping and driving a lens to rotate along the axis of the lens during cleaning; the wetting assembly and the wiping assembly are correspondingly located above the clamping assembly, the wetting assembly is used for wetting the circumferential outer wall of the lens through cleaning liquid, and the wiping assembly is used for conducting pressurized wiping on the circumferential outer wall of the lens. The method has the effect of improving the accuracy of the appearance detection result of the optical lens.

The invention discloses an electrostatic discharge device which comprises a feeding assembly and a discharge assembly, the feeding assembly is provided with an inclined surface, the inclined surface can make electronic components slide to at least one discharge position along the inclined surface by means of gravity, and the discharge assembly is arranged at the discharge position and used for conducting electrostatic discharge on the electronic components. According to the invention, the inclined surface of the feeding assembly automatically conveys the electronic components by using gravity, so that the problems of non-standard operation and high labor intensity caused by manual taking are eliminated, and each electronic component can be ensured to be in vertical contact with a discharge position; and the discharging assembly performs automatic discharging at the discharging position, so that mainboard component failure caused by incomplete manual discharging or leakage discharging is avoided. More specifically, the automatic process improves the discharge efficiency, reduces the operation time, and guarantees the discharge quality through a stable discharge point, thereby solving the problems of quality defects and low efficiency.

The utility model belongs to the technical field of hook-and-loop fastener production, and particularly relates to a cutting machine for hook-and-loop fastener production, which comprises a rack, and the rack is provided with an unwinding roller, a conveying roller, a longitudinal cutting component, a transverse cutting component and an electrostatic eliminating device. The unwinding roller is used for winding a to-be-cut magic tape; the conveying roller is connected with a power source, can rotate in the circumferential direction and is used for conveying the hook-and-loop fastener unwound from the unwinding roller. The longitudinal cutting assembly is used for longitudinally cutting the magic tape into a plurality of strips; the transverse cutting assembly is arranged behind the longitudinal cutting assembly and used for cutting the multiple hook-and-loop fasteners into sections at the same time. The static electricity removing device is arranged between the transverse cutting assembly and the longitudinal cutting assembly and used for removing static electricity of the hook-and-loop fastener. The static electricity eliminating device is used for eliminating static electricity in the hook-and-loop fastener, and distortion and curling of the hook-and-loop fastener after cutting are reduced.

An electronic control device includes a non-conductive resin housing; a circuit board; a metal housing; a waterproof seal material; and a conductive adhesive. The circuit board has a circuit ground (GND pattern), and is held by the resin housing. The metal housing covers the circuit board and is attached to the resin housing. The waterproof seal material seals and waterproofs the resin housing and the metal housing. The conductive adhesive is in contact with the metal housing and the circuit ground, and electrically connects the metal housing to the circuit ground at a plurality of points.

To provide a technology capable of removing static electricity from the entire fluid while keeping pressure loss of fluid in a pipe low.SOLUTION: A static eliminator is an instrument used to remove static electricity from fluid in a pipe, and comprises a static elimination rod. The static elimination rod is made of conductive resin, is a member that does not allow fluid to pass through, is grounded, and is arranged in a flow path in the pipe so as to intersect with a center part of the flow path. The static elimination rod includes a cavity at a position where it intersects with the center part of the flow path. The cavity passes through the static elimination rod parallel to a direction of the flow path.SELECTED DRAWING: Figure 3

The present application relates to the field of cable branch box, specifically relates to a kind of integrated cable branch box, including box, door body hinged on the box;Handle assembly for eliminating human body static electricity is provided on the door body;The beneficial effects of the present application are that: in actual use, personnel when opening door body, need to pull handle main body with hand, hand needs to contact pressure plate, i.e. hand and electrode contact, at this time human body-electrode-wire one-variable resistance component-ground electrode-ground forms communication, to carry out the static electricity of human body into ground, realize the purpose of human body static electricity removal;At the same time, due to the need to pull handle main body when opening door body, and the operation of pulling handle main body is human body static electricity removal operation, so it can prevent personnel from forgetting to carry out human body static electricity removal due to forget.

The utility model provides an anti-static pipeline conveying device capable of being adjusted in multiple directions, which comprises a conveying device, a feeding pipe is arranged at the front end of the conveying device, a discharging pipe is arranged at the rear end of the conveying device, a body of the conveying device is formed by connecting a plurality of conveying pipelines end to end, and joints are arranged at the joints of the adjacent conveying pipelines. The conveying pipelines can move around the joints, each joint is provided with an anti-static connecting piece, the anti-static connecting pieces are made of conductive materials, the conveying pipelines are connected in series through the anti-static connecting pieces, and an anti-static output device is arranged at the position, close to the discharging pipe, of the conveying device. The output end grounding device of the anti-static output device is grounded and used for eliminating static electricity, materials enter the conveying device from the feeding port, sequentially pass through the conveying pipelines and are discharged to production equipment from the discharging pipe, the static electricity generated in the transportation process is eliminated through the anti-static connecting pieces, and the production safety is improved.

The invention discloses a self-adaptive yarn breakage prevention tensioning wheel device for yarn bundling, and relates to the technical field of yarn processing. The device comprises a machining table, supporting legs are installed at the four corners of the bottom of the machining table, a bottom plate is installed between the two supporting legs, a liquid mixing box is fixedly connected to the top of the bottom plate, and a pay-off roller is installed on one side of the top of the machining table. The device is driven by a single-group double-shaft motor, and a triple yarn breaking prevention function is integrally realized: an upper output shaft drives a screw mechanism to drive an adjusting roller to dynamically adjust the tension degree of yarns, so that the yarns are prevented from being broken due to overlarge tension; the lower output shaft is linked with the spraying mechanism to spray an antistatic agent and eliminate static electricity in combination with wind diffusion, and meanwhile, the worm and worm wheel and the bevel gear set drive the first fan blades to feed hot air into the drying box for dehumidification, so that yarn breakage caused by moisture is avoided. According to the efficient integrated design, the anti-breaking effect is remarkably improved, the wire breaking rate is reduced in multiple dimensions, the structure is simplified, and the energy consumption and the use cost are reduced.

The utility model relates to a device for finding out a broken yarn joint of a ring bobbin, and the device comprises an air blowing device which is used for providing a positive pressure air source; the mounting plate is positioned on one side of the blowing device; the fixing device comprises a fixing pipe, a first driving assembly and a second driving assembly, the fixing pipe is used for fixing the ring bobbin, the first driving assembly is used for driving the fixing pipe to drive the ring bobbin to rotate, and the second driving assembly is used for driving the fixing pipe to drive the ring bobbin to linearly move, so that the ring bobbin is in a moving state of moving up and down while rotating; the static electricity removing device is used for removing static electricity of yarns on the ring bobbin; the air suction traction device is used for generating negative pressure, the air suction traction device and the air blowing device are arranged on the two sides of the fixing device correspondingly, and the air suction traction device and the air blowing device form directional airflow so that the broken yarn on the ring bobbin in the moving state can be separated from the ring bobbin. The structure is high in automation degree, broken yarn does not need to be manually found, the production efficiency is improved, the labor cost is reduced, and the yarn quality is guaranteed.

The utility model relates to the technical field of automobile decorating part production, and discloses an automobile decorating part spraying line electrostatic dust collection device which comprises a supporting frame, a spraying transmission line is installed above the supporting frame, a supporting cover is fixedly connected to the upper surface of the supporting frame, and a dust collection assembly is installed on one side of the interior of the supporting cover. A filtering assembly is mounted on the upper surface of the supporting cover; the dust removal assembly comprises a supporting plate and a first ion wind bar, the two ends of the first ion wind bar are fixedly connected to the inner wall of the supporting plate, a hydraulic rod is fixedly connected to the upper surface of the supporting cover, the output end of the hydraulic rod is fixedly connected to the upper surface of the supporting plate, and a first limiting rod is fixedly connected to one side of the outer wall of the supporting plate. According to the utility model, the decorating parts are conveyed to the lower part of the supporting cover through the spraying conveying line, and the fan I blows clean air flow for preliminary dust removal; the hydraulic rod drives the supporting plate and the first ion wind bar to ascend and descend, the angle of the second ion wind bar is adjusted, efficient dust removal is achieved, and the practicability of the device is improved.

The invention discloses a semi-conductor finished product packaging system integrating labeling, coding and sealing quality control, which relates to the field of semi-conductor packaging and comprises an initial detection module, a static electricity removing module, a static electricity real-time monitoring and discharging module, a gas processing module and a sealing quality detection module. Through efficient electrostatic control, sealing quality detection and gas treatment processes, the surface voltage of the semiconductor product is monitored in real time, discharge measures are accurately triggered, and electrostatic damage is prevented. In the sealing process, the sealing temperature, pressure and speed are dynamically adjusted, and the sealing quality of each product is ensured. The gas exchange process is optimized, and gas waste and quality fluctuation are avoided. The automation level is improved, the response speed is increased, and the energy consumption and the rejection rate are reduced.

The utility model discloses a precision assembly cleaning module for consumer electronics, which relates to the technical field of cleaning equipment and comprises a base, a rolling shaft is fixedly arranged in the base, a first circular ring is rotatably arranged on the rolling shaft, a second circular ring is arranged below the first circular ring in a threaded manner, two rotating arms are fixedly arranged on the second circular ring, and first nozzles are fixedly arranged on the rotating arms. A lower shell is fixedly arranged at the lower end of the second circular ring, and two second nozzles are fixedly arranged on the lower shell. High-pressure air is sprayed out of the nozzles, floating ash and foreign matter on the surface of a product needing to be cleaned can be removed under the condition that the product is not contacted, the first nozzle and the second nozzle are different in rotating radius, two different air rails are formed, the cleaning area of the device is enlarged, the ion air nozzle blows ion air, and the cleaning effect is improved. And the flange plate is externally connected with a dust suction device, the floating dust and the foreign matter on the surface of the product are sucked, and the surface of the product is thoroughly cleaned.

The invention relates to a combined type flocking swab automatic conveying device and method, and belongs to the technical field of automatic conveying. The sectional type vibration rail is mounted on the main body conveying frame and is used for bearing and conveying a flocking swab; the sensing monitoring assembly is fixed on the main body conveying frame, is positioned above the sectional type vibration rail, and is used for acquiring flow state data and environmental parameter data of the flocked swab in a non-contact manner; the active intervention assembly is fixed on the main body conveying frame and is used for applying physical or environmental intervention to the flocked swab flow on the sectional type vibration track; and the controller is electrically connected with the sensing monitoring assembly, the active intervention assembly and the sectional type vibration track and used for cooperatively controlling the active intervention assembly and the sectional type vibration track based on the flow state data and the environment parameter data, and prevention is carried out before congestion actually occurs.

The invention discloses an electrostatic dust collection cleaning workbench for a ceramic substrate, and relates to the technical field of electrostatic dust collection, the electrostatic dust collection cleaning workbench comprises a manipulator and a box body, the manipulator is arranged on the outer side of the box body, a workbench is arranged in the box body, an output mechanism is arranged at the top of the box body, and an air curtain mechanism is arranged at the bottom of the box body; an air pump is arranged on the side of the box body and communicated with the output mechanism and the air curtain mechanism through pipelines. The ceramic substrate is placed on the workbench, the air pump extracts nitrogen from the nitrogen tank, the nitrogen is conveyed into the output mechanism and the air curtain mechanism through the air pump, the output mechanism sprays the nitrogen, the sprayed nitrogen conducts electrostatic dust removal on the ceramic substrate on the workbench, the air curtain mechanism sprays the nitrogen, and the sprayed nitrogen is dense to form an air curtain barrier. The air curtain barrier and the output mechanism are combined to form a relatively closed space, so that interference of external dust is avoided, and the electrostatic dust collection effect of the ceramic substrate is improved.

The application discloses a dust removal device, a dust removal system and a control method of the dust removal system. The dust removal device comprises a blowing mechanism, the blowing mechanism is provided with an air duct and comprises a fixed part and a movable part. The movable part is arranged around the fixed part in a first direction, and at least part of the air duct is arranged in the movable part. The movable part is provided with a first air outlet hole and a second air outlet hole which are communicated with the air duct, and the first air outlet hole and the second air outlet hole are arranged on one side in the first direction. A plurality of first air outlet holes are arranged into at least one first hole group, and a plurality of second air outlet holes are arranged into at least one second hole group. In the first hole group, one first air outlet hole is arranged into a first middle hole, and the remaining first air outlet holes are arranged into first edge holes, and a plurality of first edge holes surround the first middle hole. In the second hole group, one second air outlet hole is arranged into a second middle hole, and the remaining second air outlet holes are arranged into second edge holes, and a plurality of second edge holes surround the second middle hole. The technical scheme can improve the dust removal effect on the dust removal object.

The invention relates to the technical field of magnesium alloy production, in particular to a magnesium alloy machining scrap recycling structure. Comprising a recycling barrel, the recycling barrel comprises an inner barrel and an outer barrel, the outer barrel is arranged on the outer side of the inner barrel in a sleeving mode and fixedly connected with the inner barrel, a supporting column is arranged at the bottom of the inner barrel, the inner barrel is made of a conductive material, and the outer barrel is made of a non-conductive material; the conductive rectangular column is arranged between the inner cylinder and the outer cylinder, a supporting shaft is fixedly arranged at the bottom of the conductive rectangular column, the supporting shaft is connected with a rotating arm, a terminal plate is installed on the inner side wall of the outer cylinder, a circuit assembly is arranged between the rotating arm and the terminal plate, and a rotating assembly is installed on the outer side of the supporting column. The rotating assembly drives the conductive rectangular column to rotate around the outer wall of the inner cylinder, static electricity generated by friction during scrap pouring is transmitted to the conductive rectangular column through the side wall of the inner cylinder and then sequentially passes through the supporting shaft, the rotating arm, the circuit assembly and the terminal plate, and due to the fact that the terminal plate is grounded, current is finally connected to the ground, ignition caused by the static electricity is avoided.