34566results about "Cleaning using gases" patented technology

The invention discloses a loess tunnel surrounding rock deformation monitoring method, and relates to the technical field of civil engineering and geological engineering, and the method comprises the steps: integrating a spiral winding type optical fiber sensor, a double-cavity humidity compensation vibrating wire sensor and a microseismic array, and capturing surrounding rock strain, vibration and geological activities; the vibrating wire sensor suppresses humidity interference through a silicone oil damping medium and self-adaptive excitation frequency, and the optical fiber sensor is fixed through a pre-embedded silica gel sleeve to adapt to surrounding rock deformation; edge computing nodes are deployed on the inner wall of the tunnel, an FPGA chip and a lightweight GRU model are integrated, optical fiber strain, a micro-seismic energy spectrum and laser point cloud displacement field data are fused in real time, the strain gradient is analyzed, and a crack propagation probability cloud picture is generated; redundant optical fiber link switching is combined with a six-degree-of-freedom mechanical arm to realize breakpoint self-repairing, and a self-cleaning air curtain is integrated to inhibit dust adhesion; and constructing a geological parameter library based on a BIM-GIS fusion platform, driving a finite element-discrete element coupling model to dynamically update boundary conditions, and predicting surrounding rock deformation and collapse risks.

Assemblies and method to extract a material from a source of the material may include a vacuum generation and sound attenuation assembly to enhance extraction the material from the source of the material. The vacuum generation and sound attenuation assembly may include a vacuum source including a plurality of vacuum generators. Each of the plurality of vacuum generators may be positioned to cause a vacuum flow between the source of the material and the vacuum generation and sound attenuation assembly. The vacuum generation and sound attenuation assembly may further include a sound attenuation chamber connected to the vacuum source. The sound attenuation chamber may include an attenuation housing at least partially defining a chamber interior volume being positioned to receive at least a portion of the vacuum flow from the vacuum source and attenuate sound generated by the vacuum source.

Assemblies and method to extract a material from a material source may include a vacuum and material collector assembly to enhance extraction of the material from the material source. The vacuum and material collector assembly may include a material collector comprising a high volume pressure vessel having an interior and a high-pressure vacuum source pneumatically coupled to the pressure vessel. The vacuum source is operable to generate a high-pressure vacuum of a fluid flow through the interior of the pressure vessel to extract the waste material from the waste material source into the interior of the pressure vessel. The vacuum source may be connected to the pressure vessel of the material collector to form a unified vacuum and material collector assembly which may be supported on a single mobile chassis.

The invention provides a multifunctional integrated cleaning robot for a photovoltaic module of a power station, which belongs to the technical field of photovoltaic module cleaning and comprises a control chip, a robot body device, an automatic cleaning device, a dust collection device, a water spraying system device, a solar charging device, an intelligent navigation device, an environment monitoring device, a communication interface device and a power management device. An intelligent cleaning control module is arranged in the control chip. The method comprises the following steps: constructing a three-dimensional map through environment perception; evaluating the pollution state of the photovoltaic module by using a sensor to generate a thermodynamic diagram; a double-layer optimization model is adopted for path planning and resource allocation, an upper layer adopts an improved ant colony algorithm to take charge of a global path, and a lower layer optimizes cleaning parameters based on a particle swarm algorithm; cleaning operation is executed, and real-time monitoring is carried out; evaluating the cleaning effect; water resource and energy intelligent management is carried out; multi-machine collaboration and task allocation are realized; processing an abnormal condition; the cleaning strategy is continuously optimized through machine learning, and efficient and accurate photovoltaic module cleaning is achieved.

The invention discloses a solar photovoltaic panel cleaning method and device based on a multi-mode cleaning technology, which can plan a traversal path according to parameters of a photovoltaic panel, primarily remove dust by using a wind blowing and ultrasonic vibration form, plan an energy-saving cleaning path for still existing cleaning points, and improve the cleaning efficiency of the photovoltaic panel. And secondary cleaning is conducted along the cleaning path, dust is adsorbed and cleaned through an electric field generated by the electrode plate, meanwhile, the output parameter set is trained and optimized through a trained deep learning model through input parameters extracted in real time, optimal cleaning parameters are obtained, and intelligent cleaning is achieved.

Assemblies and method to extract a material from a material source may include a vacuum and material collector assembly to enhance extraction of the material from the material source. The vacuum and material collector assembly may include a material collector comprising a high volume pressure vessel having an interior and a high-pressure vacuum source pneumatically coupled to the pressure vessel. The vacuum source is operable to generate a high-pressure vacuum of a fluid flow through the interior of the pressure vessel to extract the waste material from the waste material source into the interior of the pressure vessel. The vacuum source may be connected to the pressure vessel of the material collector to form a unified vacuum and material collector assembly which may be supported on a single mobile chassis.

The invention relates to the technical field of bridge construction, in particular to an intelligent cleaning device and method for a box girder side formwork. The device comprises a mobile platform, a control device, a mechanical arm assembly, a cleaning device, an infrared induction sensor, a dust collection device, a multispectral visual recognition module, a 3D environment modeling module, a path planning module, a cleaning quality detection module and a self-adaptive learning database. The multispectral visual recognition module recognizes the stain type and the adhesion strength. The 3D environment modeling module is used for constructing a three-dimensional point cloud model of a working area in real time; the path planning module generates an optimal cleaning path based on a reinforcement learning algorithm; the cleaning quality detection module detects residual stains and triggers secondary cleaning; the adaptive learning database stores historical cleaning data and optimizes a cleaning strategy through a machine learning model. The full-process automatic cleaning operation of the box girder side form can be achieved, and the comprehensive functions of dirt recognition, autonomous path planning, efficient cleaning, real-time detection and the like are achieved.

The invention relates to the field of lucid ganoderma processing equipment, and discloses lucid ganoderma slicing equipment which comprises a conveying belt, a portal frame is fixedly mounted on one side of the top of the conveying belt through a support, a movable frame is movably mounted on the lower side in the portal frame, and a variable-pitch shaft is movably mounted on the upper side in the movable frame; two guide rods are fixedly installed on the lower side of the interior of the movable frame, a plurality of movable blocks are evenly and movably installed on the outer diameters of the guide rods, blades are fixedly installed at the bottom ends of the movable blocks, and a sleeve is movably installed in the middle of the interior of the portal frame through two supporting rods; a rotating column is movably mounted at the inner top of the portal frame, the bottom end of the rotating column extends into the sleeve, and a bidirectional spiral groove is formed in the outer diameter of the rotating column. The ganoderma lucidum cutting device can efficiently clean ganoderma lucidum and automatically complete cutting, the blade can vibrate to prevent tearing and breaking during cutting, the slicing thickness is uniform and adjustable, the automation degree is high, and the finished product quality and the production efficiency are effectively improved.

The invention belongs to the technical field of electric cylinders, particularly relates to an electric cylinder with a lubricating mechanism and a use method, and aims to solve the problems that lubricating grease at a ball screw of an existing electric cylinder is difficult to supplement, and dust and fine impurities on a push rod easily enter a cylinder barrel along with the push rod. The top cover and the bottom cover are fixedly connected through a plurality of bolts, and a cavity is formed between the top cover and the bottom cover; the cylinder barrel is fixed to the top of the top cover, a push rod is slidably connected into the cylinder barrel, a front hinge lug is fixed to the top end of the push rod, and a lead screw nut is fixed into the push rod. And meanwhile, intermittent lubrication can be carried out on the cylinder barrel, the push rod, the ball screw and the rotating bearing under the action of a third through hole and a U-shaped oil conveying channel, the operation stability is improved, and the link of manual intervention is reduced.

The invention provides an automatic positioning and cleaning device for detecting the strength of a concrete test block, the automatic positioning and cleaning device comprises a base, the top of the base is fixedly provided with vertical support rods in a rectangular array, the tops of the four support rods are fixedly provided with a mounting plate, and the mounting plate is fixedly provided with a vertical electric cylinder; a piston rod of the electric cylinder is fixedly provided with a mounting block, and the bottom of the mounting block is provided with a pressure detection assembly. According to the device, the detection position of the concrete test block is automatically positioned, so that a worker does not need to manually place the concrete test block at the center of the top of the lower pressing block, and the device is relatively convenient; when concrete is unqualified and strength detection is carried out on the concrete, a moving mechanism is controlled to act to enable a connecting block to be far away from a fixing block and enable a cleaning shell to move to one side, far away from a supporting plate, of a lower pressing block, so that fragments at the top of the lower pressing block can be cleaned through two cleaning brushes, and workers do not need to manually clean the fragments; and the workload of workers is reduced.

The embodiment of the utility model relates to the technical field of valves, in particular to an automatic cleaning valve and semiconductor processing equipment. The valve comprises a valve body, a valve plate and a cleaning part. The valve body comprises a front valve body and a rear valve body which are arranged in the fluid flowing direction, and fluid flows from the front valve body to the rear valve body. The valve plate is arranged on a fluid flowing path in the front valve body, and the opening degree of the automatic cleaning valve is controlled through rotation of the valve plate; the cleaning part comprises a scraper and a telescopic component which are arranged between the rear valve body and the front valve body, and a driving piece for pushing the scraper to move along the inner wall of the valve body. According to the automatic cleaning valve and the semiconductor processing equipment provided by the embodiment of the invention, valve sediments can be automatically cleaned, the downtime of the equipment is shortened, and the working efficiency is improved.

The invention discloses a flange plate body welding device for flange production, and relates to the technical field of welding, the flange plate body welding device comprises a base, a welding arm, a flange plate body and a pipeline, the welding arm is arranged at the top of the base, a clamping device, an auxiliary device and a collecting device are arranged above the base, and the flange plate body is placed between fixing frames; the flange plate body is positioned and clamped through a round rod, a brake block, a rotating sleeve, a fixed sleeve and an auxiliary sleeve, through accurate clamping and positioning, the welding stability can be guaranteed, the problem of clamping shaking is avoided, therefore, the production efficiency is improved, the production effect is guaranteed, flanges with different radiuses can be clamped through the method, and the production efficiency is improved. The operation process is simplified, the working efficiency is improved, rotation of the round rod is limited through the limiting wheel and the clamping rod, namely, the round rod is prevented from rotating reversely, mistaken touch prevention of adjustment of the round rod is achieved in this way, and adjustment errors caused by mistaken touch after adjustment is completed are prevented.

The invention discloses a laser thickness gauge for a roll-in coating production line, which belongs to the technical field of thickness measuring equipment and comprises a roll-in coating machine, a guide roller, a cleaning mechanism, a winding machine and a laser thickness measuring mechanism. According to the laser thickness measuring mechanism, the first laser displacement sensor, the second laser displacement sensor and the driving assembly are arranged, the position of the upper surface and the position of the lower surface of a product are measured through the first laser displacement sensor and the second laser displacement sensor respectively, and the thickness of a single point of the product is calculated; the first laser displacement sensor and the second laser displacement sensor are driven by the driving assembly to move horizontally, multi-point thickness measurement is carried out on the product, and the measurement accuracy is improved.

The invention relates to the technical field of flue gas treatment, in particular to a sintering flue gas denitration and dust removal integrated post-CO removal method which is specifically completed through cooperation of a sintering flue gas treatment system, and the sintering flue gas treatment system comprises a GGH heat exchanger, a desulfurization reactor, a denitration dust remover and a CO reactor which are sequentially communicated through pipelines. The CO catalyst module is a transition metal oxide CO catalyst; the cleaning device is used for cleaning ash of the CO catalyst module; the ammonia gas is sprayed into the outlet of the desulfurization reactor, so that ammonia escape is reduced, poisoning of the CO catalyst module is reduced, the catalytic efficiency of the CO catalyst module is improved, and the service life of the CO catalyst module is prolonged; the CO catalyst module is regularly subjected to air blowing and back blowing in a closed area, so that impurities such as carbon deposition on the CO catalyst module are cleaned, more active sites are exposed, the service life of the CO catalyst module is prolonged, and the investment and operation cost is reduced by adopting a transition metal oxide CO catalyst.

The invention relates to the technical field of robot welding, in particular to an industrial robot auxiliary welding device which comprises a mounting base. The welding unit is connected with the mounting base and is used for realizing multi-angle welding of the fixed workpiece; the circulating fixing unit is arranged on the outer side of the welding unit, is connected with the mounting base, and is used for independently supporting a plurality of workpieces and automatically fixing and unbinding the workpieces during station switching so as to realize circulating machining; wherein the circulating fixing unit comprises an induction type automatic fixing assembly, a self-locking type driving control assembly and an auxiliary cleaning assembly, by arranging the circulating fixing unit, a workpiece can be automatically fixed, constraint to the welded workpiece can be automatically relieved, feeding and discharging operation can be conveniently conducted, fixing does not need to be completed manually in the whole machining process, and the machining efficiency is improved. Manual operation procedures are reduced, and workpiece production efficiency is improved.

The invention relates to the technical field of taping machine equipment, and particularly discloses a self-adhesive wear-resistant aluminum foil mylar tape longitudinal wrapping taping machine which is used for solving the problems of poor wear resistance and poor taping quality in the prior art. Comprising a base, a supporting vertical plate is vertically arranged at the upper end of the base, a winding penetrating hole allowing a cable A to penetrate through conveniently is formed in the supporting vertical plate, a winding disc is rotationally arranged on the outer side of the winding penetrating hole, the winding disc is connected with a winding driving piece used for driving the winding disc to rotate, and an aluminum foil belt roller is arranged at the end of the winding disc; an aluminum foil belt is wound on the aluminum foil belt roller, and an installation assembly used for fixing the aluminum foil belt roller is arranged on the winding disc. The aluminum foil tape is designed according to existing requirements, the wear-resistant layer is arranged on the outer side face of the aluminum foil tape, and the bonding layer is arranged on the inner side of the aluminum foil tape, so that the aluminum foil tape better wraps the outer side of the cable A, and the protection effect of the cable A is improved.

Systems, assemblies, and methods to enhance extraction of pyrophoric materials from a refinery apparatus may include supplying a pressurized fluid to a plurality of vacuum generators, and generating, via the plurality of vacuum generators using the pressurized fluid, a vacuum flow. A manifold may provide a flow path for the vacuum flow, and pyrophoric material may be extracted from the refinery apparatus via the vacuum flow to a material collector through which the vacuum flow passes, depositing at least a portion of the extracted pyrophoric material in the material collector. One or more of inert gas or a cooling medium may be supplied to the material collector.

The invention discloses a shaving board detection device, and relates to the technical field of shaving board production, the shaving board detection device comprises a main support, two sets of auxiliary supports and a surface cleaning mechanism, the inner side of the main support is provided with an automatic overturning conveying mechanism, and the inner sides of the two sets of auxiliary supports are fixedly connected with fixing plates; through the arrangement of the automatic turnover conveying mechanism, after the shaving board is clamped by the two clamping plates, when a conveying motor is started to drive a driving roller to rotate, the shaving board can be automatically turned over, and the shaving board can be automatically turned over; the shaving board is conveyed and detected to the position below the detection camera through cooperation of two sets of conveying belts and driven rollers, and the shaving board is turned over by 180 degrees through cooperation of a driven gear, a long toothed bar and other assemblies and then passes through the position below the detection camera to be detected again. Therefore, the effect of accurately detecting the front and back surfaces of the shaving board is achieved.

The utility model discloses a numerical control blade compact deburring system, and belongs to the field of cutter machining. Comprising a rack, a material disc, a visual identification assembly, a brush assembly, a blowing assembly, a defective product recovery assembly, a weighing assembly, a disc moving assembly, a material bin and a material moving assembly, wherein the visual identification assembly, the brush assembly, the blowing assembly, the defective product recovery assembly, the weighing assembly and the material moving assembly are arranged on the rack; the material moving assembly is used for grabbing numerical control blade pressed blanks and moving the numerical control blade pressed blanks to the brush assembly, the blowing assembly, the defective product recovery assembly and the weighing assembly; the brush assembly is provided with two adjustable brush parts which are oppositely arranged, the blowing assembly is provided with a plurality of first blowing parts and second blowing parts which are oppositely arranged, the weighing assembly is located between the defective product recycling assembly and the tray moving assembly, the blowing assembly is located between the brush assembly and the defective product recycling assembly, and the visual recognition assembly is located above the tray moving assembly. Through the arrangement of the brush assembly and the air blowing assembly, the deburring and cleaning efficiency is improved, and the qualification detection accuracy is improved.

The invention relates to the technical field of battery box welding equipment, and discloses welding equipment suitable for automobile battery box manufacturing, which comprises a welding table, supporting legs are fixedly mounted at the bottom of the welding table, a fixing frame is fixedly mounted at the top of the welding table, and a clamping and fixing mechanism is arranged outside the welding table. A lifting moving mechanism is arranged at the top of the welding table, a movable welding mechanism is arranged at the top of the lifting moving mechanism, the clamping fixing mechanism comprises a clamping assembly and a driving assembly, and the driving assembly is arranged at the bottom of the clamping assembly. According to the welding equipment suitable for automobile battery box manufacturing and the using method of the welding equipment, through the arranged clamping and fixing mechanism, in the using process, two sliding tables synchronously and reversely slide, the sliding tables drive clamping plates to fixedly clamp battery box plates, and therefore the situation that the battery box plates displace in the welding process is avoided; and therefore, the effect of improving the welding precision of the battery box plate is achieved.

A method for performing one or more tasks on a surface via an unmanned aerial vehicle (UAV) or aerial robotics system (ARS) includes tethering a first UAV to a ceiling, a vertical wall, or a second UAV via a tethering cord with an extendible and retractable length, performing at least one task via the first UAV to an object during flight of the first UAV, sensing at least one parameter of the surface of the object via a task sensor, and resiliently adjusting an adjustable sensor arm of the first UAV to facilitate performance of the task(s). The adjustable sensor arm may support the task sensor and be resilient to impact forces caused by direct contact of the task sensor or the adjustable sensor arm with the surface. The tethering cord may be extended or retracted via at least one motor while the first UAV performs the task(s).

The embodiment of the invention provides semiconductor process equipment. The equipment comprises a process chamber, a circulating purging device and a chamber ventilation device, the chamber ventilation device comprises an air inlet assembly and an exhaust assembly. The inflation assembly is used for introducing first purging gas into the process chamber; the gas inlet assembly is used for introducing second purging gas into the process chamber; the first purge gas is different from the second purge gas; the flow of the gas introduced into the process chamber by the gas inlet assembly in unit time is greater than the flow of the gas introduced into the process chamber by the gas inflation assembly in unit time, so that in the process of cleaning the process chamber, after the process chamber is primarily cleaned by the circulating purging device, the process chamber can be cleaned by the circulating purging device; according to the technical scheme, the second purging gas with the large flow provided by the chamber ventilation device is used for rapidly cleaning the process chamber, so that the concentration of the target gas in the process chamber is rapidly reduced to be below the safety value, and the chamber cleaning efficiency is improved under the condition that the health and safety of operators are guaranteed.

The invention discloses a battery cell detection device and method, and belongs to the field of battery cell detection. A battery cell detection device comprises a detection table and an appearance detector fixed to the top of the detection table, the top of the detection table is rotationally connected with a station disc, multiple sets of detection boxes are arranged on the station disc at equal intervals, a driving part for driving the station disc to rotate is arranged in the detection table, and the battery cell detection device further comprises a turnover mechanism. The turnover mechanism is arranged in the detection box; through the arrangement of the station disc, simultaneous operation detection of multiple stations is achieved, the detection effect is effectively improved, battery cells passing through the lower portion of the appearance detector can roll through the cooperation of the attraction effect of the magnetic area and the upper magnetic plate, therefore, comprehensive detection of the battery cells to be detected is achieved, the detection efficiency is effectively improved, and the detection cost is reduced. And by means of self-rolling and self-overturning, the friction effect can be effectively reduced, and the protection effect on the battery cell to be tested is improved.

The invention relates to the technical field of visual inspection, and discloses a workpiece surface defect detection device based on visual sensing, which comprises a detection assembly, a cleaning assembly mounted on the detection assembly, a purging assembly mounted on the cleaning assembly, and a deburring assembly arranged on the cleaning assembly, the cleaning assembly comprises a sliding plate, a brush is fixedly connected to the upper surface of the sliding plate, a moving part is fixedly connected to the lower bottom face of the sliding plate, a fixing plate is arranged on one side of the sliding plate, and a spring is elastically connected between the sliding plate and the fixing plate. The blowing assembly comprises an air bag, the output end of the air bag is in threaded connection with two sets of air pipes, one set of air pipes communicate with the blowing frame, the sliding plate and the moving part are driven to move through the conveying belt, the moving part can conduct reset operation under operation of the spring, and therefore the detection camera lens is cleaned.

The invention discloses an MNS type switch cabinet line protection structure, and relates to the technical field of MNS type switch cabinets. The MNS type switch cabinet line protection structure comprises a cabinet body and a plurality of drawers which are arranged on a switch cabinet body, a plurality of slots are formed in the cabinet body, jacks are formed in the slots, plug assemblies are arranged in the drawers, the plug assemblies are electrically connected with internal lines, a plurality of insertion blocks are arranged on the plug assemblies, and the insertion blocks are electrically connected with the internal lines. The plug assembly is connected with the inner side wall of the drawer through a first reset mechanism, the drawer is driven by a driving mechanism to move, and a plurality of mounting holes arranged in an array are formed in the side wall of the drawer. According to the MNS type switch cabinet line protection structure, before plugging, the plugging blocks on the plug assembly can be prevented from being polluted by impurities and collided, in the plugging process, air blowing cleaning can be carried out on the jacks in the slots, the connection effect of the plugging blocks and the slots is guaranteed, normal operation of the line is guaranteed, and therefore the line can be protected.

The invention provides a poultry house cleaning system and a cleaning control method, and the method comprises the steps: constructing global path data according to the three-dimensional information of a chicken house region; acquiring chicken coop image data in the advancing direction of the chicken coop cleaning process; inputting the chicken house image data into a smudginess identification model to obtain a target smudginess identification result; on the basis of a preset mapping relation between the smudge classification result and a smudge cleaning mode, according to the target smudge identification result, determining cleaning control data of a region corresponding to the chicken house image data; according to the target smudginess identification result, smudginess area information in the chicken house image data is acquired; performing path planning according to the global path data and the dirty area information so as to drive the walking module to a target cleaning position of the chicken house area; and after it is determined that the walking module is driven to the target cleaning position, corresponding cleaning operation is executed on the target cleaning position according to the cleaning control data. While the henhouse cleaning effect is ensured, the henhouse cleaning efficiency is also improved.

The invention discloses a fan cooling system, a control method and an inverter. The fan cooling system comprises a fan assembly, a controller, a power source, a radiator, a shell, a temperature monitoring module and a cover body. The rotating direction of the fan is changed in a specific mode, forward rotation and reverse rotation of the fan are achieved, accordingly, the airflow direction is changed, dust and sundries on the fan and the radiator can be automatically cleaned, the normal working time of a heat dissipation system is prolonged, the manual maintenance cost is reduced, and the product reliability is improved.

The invention provides a swing vibrator type piezoelectric micropump and a driving and manufacturing method thereof. The piezoelectric micropump comprises a supporting structure, a first through-flow layer, a second through-flow layer and an actuator, wherein the first through-flow layer and the second through-flow layer are arranged at the two ends of the supporting structure, and the actuator is arranged in the supporting structure. The actuator comprises two actuating units which are arranged in parallel. The actuation unit includes a substrate and a vibration element. The vibration element is fixed on the substrate; the two actuating units are of the parallel and opposite cantilever structures on the opposite sides, center stress similar to that of a conventional annular actuator structure cannot be generated in the swing gas pumping process of the two actuating units, and the service life of the piezoelectric micropump can be prolonged. Meanwhile, when different excitation signals are input into the two actuating units, the two actuating units can generate asynchronous vibration, so that reverse airflow with certain continuity is generated in the piezoelectric micropump, the effect of regularly self-cleaning the air inlet is achieved, and long-time continuous work of the piezoelectric micropump in a complex environment is achieved.

Cleaning tools for cleaning the pull cable of an ingot puller apparatus and methods for cleaning the pull cable are disclosed. The cleaning tool includes a chamber for receiving the pull cable. Pressurized fluid is discharged through one or more nozzles to detach debris from the pull cable. The fluid and debris are collected in an exhaust plenum of the cleaning tool and are expelled through an exhaust tube. The cleaning tool includes one or more guides that guide the cleaning tool in an upper segment of the ingot puller apparatus.

The invention discloses a precise vision coaxial laser cutting machine, and relates to the field of laser cutting machines, the precise vision coaxial laser cutting machine comprises a support and a movable box, the movable box is arranged above the support, an adjusting mechanism is installed on the movable box, and a slag removal mechanism is further installed on the movable box. According to the precise visual coaxial laser cutting machine, an automatic cleaning mechanism is adopted, automatic cleaning of metal slag on a supporting plate can be achieved after machining of a plate is completed, cleanliness of the supporting plate is guaranteed, and specifically, when the position of a movable box is adjusted, a scraper can be synchronously driven to move, and the precision of the laser cutting machine is improved. Through cooperation of the transmission effect between the scraping plate and the rack and the sliding effect between the convex shaft and the sliding groove plate, the scraping plate can automatically reciprocate left and right when moving along with the movable box, thrust can be provided for metal slag on the supporting plate through the reciprocating motion of the scraping plate, the metal slag can conveniently fall off, and the service life of the metal slag is prolonged. And the same position on the supporting plate can be cleaned for multiple times, and the cleaning effect of the supporting plate is guaranteed.