556results about "Blast guns" patented technology

The utility model relates to an intelligent cleaning device for a sand box, and belongs to the field of industrial automation and intelligent manufacturing. According to the scheme, the rail type RGV is adopted to automatically convey the sand box to the closed intelligent cleaning work station, and the information of the sand box is read through the RFID tag and synchronized to the information system. The cleaning robot scans the position of the sand box through the visual recognition device, and the tool changing robot grabs the adaptive drill bit from the drill bit tool library according to a system instruction and assembles the adaptive drill bit to the electric hammer chuck. And the cleaning robot drills and dredges the sand guide hole of the sand box, returns to the quick change frame to replace the electric pick, and performs multi-angle shoveling and scraping operation on the cavity of the sand box. And after cleaning is completed, the cleaning robot is switched to the sand blasting gun, and fine sand cleaning on the surface of the sand box is completed. The scheme aims at solving the problems that traditional manual cleaning is low in efficiency, severe in environment and large in potential safety hazard.

The invention discloses a spray gun track generation method and device, equipment and a medium. The method comprises the following steps: based on basic data of a target part set by a user, obtaining a finite element simulation result matched with the target part through finite element simulation software; in response to a selection operation of a user on the finite element simulation software, selecting at least one simulation point location from the simulation point locations as a target point location, and acquiring simulation result information matched with the target point locations as target point location information of the target point locations; and based on the target point location information corresponding to the target point locations, spray gun point location postures matched with the target point locations are generated, and a target spray gun track is obtained according to the spray gun point location postures. According to the technical scheme, the track of the spray gun can be generated in the shot blasting operation, the accuracy of the shot blasting operation is improved, and the shot blasting effect is improved.

A mixed abrasive synergistic enhancement immersion microjet processing system and method for RB-SiC ceramic microstructures is characterized by: the micro-abrasive air jet nozzle is driven by an active rack and driven gear, and one end is connected to a precision sandblasting machine containing micron-sized abrasive particles; its output end is immersed in a slurry tank containing submicron / nano-sized abrasive particles; the micro-abrasive air jet nozzle ejects a gas-solid two-phase flow and generates a large number of microbubbles; the driving effect of the microbubbles effectively mixes the submicron / nano-sized abrasive particles in the slurry tank with the gas-solid two-phase flow ejected by the micro-abrasive air jet nozzle, thereby obtaining a mixed abrasive synergistic enhancement immersion microjet; the waste liquid passes through a primary filter particle recovery outlet, a secondary filter particle recovery outlet, and a tertiary filter particle recovery outlet in real time, where the micron-sized abrasive particles and erosion debris are screened, dried, and classified for collection, ultimately achieving efficient and high-quality processing of RB-SiC ceramic microstructures.

The invention discloses an inner circle surface cluster magnetic jet polishing device and method, and belongs to the technical field of polishing equipment.The magneto-rheological polishing and jet polishing are combined, that is, magneto-rheological polishing liquid is jetted out of a liquid outlet of a cluster magnetic jet polishing head at a high speed under the high-pressure effect, efficient jet rough polishing is conducted on the inner circle surface of a workpiece, and the inner circle surface is polished. And meanwhile, under the action of the magnetic field, the magnetorheological polishing liquid is converted into a magnetorheological polishing pad and a flexible clamping abrasive for secondary fine polishing, so that the problems of workpiece deformation and poor surface quality easily caused by traditional honing and polishing are solved, the defect of low efficiency of single magnetorheological polishing is overcome, and the polishing efficiency and the surface quality are improved. Besides, the device can adapt to workpieces with different diameters by replacing cluster magnetic jet polishing heads and workpiece discs with different sizes, and the machining requirements of the workpieces made of different materials are met by matching with adjustable polishing liquid pressure, flow and rotating speed parameters; due to the expanded double-station design, the machining efficiency is improved, and the machining requirements of high-quality inner circle surface parts are met.

The invention discloses a turnover die casting multi-dimensional deburring machining center, which relates to the technical field of deburring machining and comprises a machining main center, a support frame, a deburring machining bin and a control panel. According to the turnover die casting multi-dimensional deburring machining center, a single driving motor is used for providing driving force, a driving shaft is made to be matched with a first chain wheel assembly in a rotating mode, then a driven shaft can be made to rotate, a discharging auger can rotate conveniently, sand sprayed in the deburring machining process can be conveyed out from a conveying barrel, and later recycling is facilitated; then, a driven shaft rotates to be matched with a second chain wheel assembly to enable a transmission shaft to synchronously rotate, namely, a transmission gear rotates, the transmission gear, a transition gear and a driven gear are meshed with one another, the transition gear and the driven gear can rotate, and two four-jaw chucks in a deburring machining bin can rotate by being matched with an auxiliary shaft; therefore, the clamped die casting can rotate synchronously, and dynamic adjustment of a machining face is achieved.

The invention belongs to the technical field of automatic sand blasting, and provides a mechanical arm sand blasting track generation method and system, a medium and a robot. The mechanical arm sand blasting track generation method comprises the steps that key process parameters of a sand blasting system are discretized in a layered mode; calculating the actual angle of each joint of the positioner; coordinates of spraying points are calculated; the joint angle of the mechanical arm is calculated, and the collision-free effective posture of the mechanical arm meeting the sand blasting process requirement is screened; a collision-free and process-feasible configuration space diagram is constructed, the vertex of the configuration space diagram is composed of all spraying points, and the edge of the configuration space diagram is composed of paths of the adjacent spraying points; and according to the collision-free and process-feasible configuration space diagram, an optimal path from a preset starting vertex to a target vertex is searched for and serves as a mechanical arm sand blasting track for optimizing the kinematics performance and the sand blasting process quality at the same time. The automatic level of sand blasting treatment, the consistency of treatment quality and the overall operation efficiency can be improved.

The invention discloses an abrasive water jet cleaning device and cleaning method.The abrasive water jet cleaning device comprises a cleaning box body, a spray head cleaning assembly and a conveying roller way, and the spray head cleaning assembly comprises a mounting frame, a mounting block and a spray head; the spray head cleaning assembly located on one surface of the steel plate / belt comprises a pair of installation frames, each installation frame is provided with a plurality of spray heads, the cleaning areas of the spray heads on the two installation frames cover the transverse width of the steel plate / belt after being combined, the spray heads on the two installation frames are obliquely arranged, and the spray heads on the two installation frames are arranged in a staggered mode. And the spraying directions of the sprayers face the two transverse sides of the steel plate / strip respectively. According to the cleaning device and the cleaning method, under the condition that optimal process parameters and spatial arrangement conditions of the spray head are met, extremely high part universality can be achieved, modular disassembly can be carried out, and the equipment site requirement can be reduced.

The invention relates to a dynamic lag compensation method for inclined hole machining of a base of a water jet cutting machine. The dynamic lag compensation method comprises the following steps that S1, machining parameters are obtained; s2, establishing a dynamic lag vector model; s3, based on the target axis vector of the inclined hole, establishing an asymmetric taper prediction model; s4, coupling the dynamic lag vector model and the asymmetric taper prediction model to generate a comprehensive compensation model; s5, real-time reverse compensation is conducted on a preset inclined hole cutting theoretical tool path; s6, the high-pressure abrasive water jet device is controlled to conduct inclined hole machining on the cutting machine base according to the execution path; and S7, in the cutting process, water jet pressure, abrasive flow and nozzle abrasion state parameters are built in real time. The method has the following advantages that accurate compensation of the dynamic hysteresis effect and effective suppression of the asymmetric taper are achieved, the hole axis and position precision is remarkably improved, and the high-quality hole wall shape is obtained.

The present application relates to a kind of double-system integrated high-efficiency sand blasting machine, by symmetrical arrangement double sand blasting frame and supporting device, realize two groups of cooker synchronous feeding-sand blasting-discharging cycle operation, compared with traditional single system production capacity increases 100%, simultaneously, through the three-station uniform distribution design of rotating frame, form continuous assembly line mode of operation;Double rack interval type layout both guarantees independent operation space, also share central finished product centralized conveying belt;Three groups of cooker fixed component distribution optimizes space utilization, compared with traditional linear arrangement scheme reduces 30% of floor area;By being provided with discharging device on the side of feeding device, and the other end of discharging device is connected with cleaning process, so that cooker can be immediately transported to sand blasting machine for sand blasting work after cleaning, realize automatic feeding-feeding-sand blasting-discharging, form closed-loop material flow, cooperate with finished product centralized conveying belt, reduce 80% of manual intervention link, single shift can save 3-4 operating personnel.

The application provides a fir-type mortise and tenon joint structure deflection abrasive water jet strengthening method and system. The method uses a deflection abrasive water jet nozzle and a three-sided shielding strengthening tool to strengthen the surface of a workpiece. The system uses the above method. The application can solve the problems of "physical inaccessibility" (cannot enter) and "jet shadow" (cannot be sprayed / angle is not correct) of traditional strengthening tools in the extremely limited space of a fir-type mortise and tenon joint structure (deep groove, multiple teeth, reverse buckle), thereby realizing full coverage and uniform stress distribution of surface strengthening.

The utility model belongs to the field of sand blasting tools, and particularly relates to a notebook computer cover plate sand blasting tool which comprises a tank body, and a sand blasting assembly is fixedly installed on the inner wall of the tank body. The surface of the sand blasting assembly is provided with a plurality of nozzles used for blasting sand to the notebook computer cover plate. The top of the tank body is fixedly connected with a motor; the output end of the motor is fixedly connected with a main rod; the main rod and the tank body are arranged in a penetrating manner and are rotationally connected; a plurality of supporting rods are symmetrically and fixedly connected to the middle part of the main rod; a plurality of clamping mechanisms are arranged on each supporting rod; the clamping mechanism comprises a pair of fixing plates; clamping plates are symmetrically and rotationally connected between the pair of fixing plates; a spring is fixedly connected between the pair of clamping plates; through the cooperation of the motor and the clamping assembly, the cover plate can be in a rotating posture during sand blasting, the sand blasting assembly can conveniently conduct sand blasting on the two faces of the cover plate, and the operation that the cover plate needs to be turned over repeatedly during sand blasting is simplified.

The method employs blast media containing a first grainy material, consisting mainly of a material with a hardness equal to or less than that of the target member to be restored in granular form. This blast media, along with gas, is ejected from a nozzle with a substantially rectangular-shaped outlet, while adjusting the flow rate. The ejected mixture functions as a graining tool to remove pollution, exposing underlying or surrounding surface to be restored of the target member without grinding away the surface and simultaneously providing a rough treatment to form fine texture on the restored surface.

The present invention provides a method for manufacturing a sealing device that can roughen the inner surface of the slinger, which is in sliding contact with the lip piece, over a wide area, and can also ensure uniform roughening of the slinger. [Solution] The slinger 20A comprises a first cylindrical portion 22 and a disc portion 21 which are responsible for fitting into one of the two members, and has a recessed space 24 opposite to the core material portion 30A, with the first cylindrical portion 22 and the disc portion 21 forming the outer frame. In the surface treatment step, the projection material 41 is projected onto the surface of the slinger 20A on the recessed space 24 side at different projection angles.

The application discloses a workpiece surface sand blasting and grinding device for insulating bearing machining, and relates to the technical field of insulating bearing machining.The device comprises a shell, a baffle and a cover plate are installed on the shell, an air pump is installed on the top of the shell, a first connecting pipe is connected below the air pump, a driving assembly is installed below the first connecting pipe, a rotating ring and a second connecting pipe are installed below the driving assembly, a third connecting pipe and an electric push rod are arranged on the side of the second connecting pipe, a first sand blasting pipe is installed below the electric push rod, a second sand blasting pipe is hinged to the first sand blasting pipe, a butt joint assembly is installed between the first sand blasting pipe and the second sand blasting pipe, the top of the third connecting pipe is fixedly connected with a first extension pipe, and a second extension pipe is slidably installed on the outer side of the first extension pipe.The device solves the problems that the existing sand blasting device cannot switch between the inner wall sand blasting and the surface sand blasting of the bearing seat ring and cannot recycle the abrasive.

A method (300) of smoothing an inner surface of a tubular wall (232, 262, 264) of a workpiece (136, 224, 236, 260) is disclosed, including immersing (310) the workpiece in a mixture of a liquid and an abrasive and inserting (312) a cavitation peening nozzle (142, 212) into a cavity of the workpiece. The method further includes injecting (314) a cavitating jet from the cavitation peening nozzle into the cavity.

The utility model discloses surface treatment equipment for mold production, which belongs to the technical field of mold production and comprises a sand blasting machine body, a door frame is mounted on one side of the sand blasting machine body, and an observation window and a skylight are mounted on the side face and the top of the sand blasting machine body respectively. Supporting legs are fixedly connected to the lower portion of the sand blasting machine body, a discharging hopper is installed at the bottom of the sand blasting machine body, and a motor is installed in the discharging hopper. The four clamping assemblies are distributed above the machining disc in a surrounding mode, firstly, a to-be-machined mold is placed above the machining disc, at the moment, the adjusting buttons are sequentially screwed to drive the screw rods to rotate, the arc-shaped pads are attached to the surface of the mold, clamping and limiting of the mold are formed, then the position of a spray head of a sand blasting machine is aligned with the mold, and sand blasting is conducted; and dust and residual abrasive materials can be filtered through a filter frame and sieve holes, traditional manual sand blasting on the mold is replaced, the overall working efficiency is high, and operation is convenient.

The utility model provides a kind of nozzle (10) for cavitation surface treatment, the nozzle (10) for cavitation surface treatment has nozzle head (13), the nozzle head (13) has: first plane (13a), it sprays liquid, and with jet axis (1) vertical;Second plane (13b), it is vertical with jet axis (1), is the opposite side of first plane (13a);Nozzle hole (21), the nozzle hole (21) has: semicylindrical discharge groove (23), it is configured in first plane (13a), extends in the first direction with jet axis (1) vertical;Ejection hole (25), it extends along jet axis (1), and is connected with discharge groove (23), and for the straight elliptical cylinder with long diameter in the first direction extending ellipse-shaped section;Import portion (27), it has straight conical surface (27a) with jet axis (1) as central axis, and is connected to ejection hole (25).

A noise suppressed blasting system comprising: a source of blasting gas in a predetermined pressure range with abrasive particles entrained therein; a nozzle including a nozzle inlet for connection to the source of blasting gas, a nozzle outlet for emission of the blasting gas, a nozzle conduit from the nozzle inlet to the nozzle outlet including a throat therebetween with a ratio of area of the nozzle outlet to area of the throat selected to emit the blasting gas from the nozzle outlet to produce a supersonic jet; a silencer connectable to the nozzle, to receive the supersonic jet exiting the nozzle, the silencer comprising a body with a silencer conduit therethrough, the body being of sufficient length and diameter to cause a flow condition of the jet received from the nozzle outlet to be modified such that 11 / 2 shock cells are created in a jet inside the silencer, no shock cells are created in the jet outside the silencer and a jet exits the silencer in the form of a core jet with an established turbulent shear layer thereabout and entraining an annular jet located around the core jet.

The invention discloses an automatic polishing device and method for the inner surface of a rotary part with partition plates in an inner cavity, and belongs to the technical field of part machining. The inner surface automatic polishing device comprises a lathe bed, a turnover mechanism is arranged on one side of the lathe bed, a displacement mechanism is arranged on the other side of the lathe bed, a rotating table is arranged on the turnover mechanism, a clamp used for installing a rotating part is arranged on the rotating table, a polishing power head capable of being automatically unfolded is arranged on the displacement mechanism, and the polishing power head is connected with the lathe bed. The polishing power head capable of being automatically unfolded is connected with a particle abrasive drive and dust collection device; according to the automatic inner surface polishing device and method for the rotary part with the partition plates in the inner cavity, the polishing power head with the nozzle and the suction nozzle capable of automatically expanding and retracting extends into the inner cavity of the rotary part, automatic polishing machining and waste suction removal after polishing are conducted on the surface of the inner cavity, manual labor is reduced, and the production efficiency is improved. And the working efficiency of polishing work is improved, and the polishing quality and the consistency of batch production polishing are ensured.

This invention relates to long-distance sandblasting technology, specifically a sandblasting device comprising a frame, a sandblasting pipe winding and unwinding device, a sandblasting machine, and an air supply slip ring. The sandblasting pipe winding and unwinding device includes a winding disc, a winding disc drive component, and a winding disc guide component. The winding disc is mounted on the frame via the winding disc guide component. The sandblasting machine is mounted above the sandblasting pipe winding and unwinding device and rotates together with it. The sandblasting pipe is wound layer by layer onto the winding disc. The air supply slip ring supplies air to the sandblasting machine, and the power supply slip ring supplies power to the sandblasting machine. The sandblasting pipe winding and unwinding device and the sandblasting machine form a rotating whole. The sandblasting pipe is wound in the sandblasting pipe winding and unwinding device, which can provide a very long sandblasting pipe for long-distance sandblasting operations. The air source required by the sandblasting machine is supplied by the air supply slip ring. The sandblasting pipe does not pass through the slip ring or other unnecessary connecting links, which helps to improve reliability, extend the service life of the sandblasting device, and reduce the consumption of spare parts and the workload of equipment maintenance.

The utility model discloses shot blasting equipment for a corrosion-resistant chain piece, which relates to the field of chain piece production and comprises a shot blasting box, a shot blasting component and a moving plate are arranged in the shot blasting box, moving ports corresponding to the moving plate are arranged on the left side and the right side of the shot blasting box, and the left side and the right side of the moving plate are connected with sealing plates. And two placing openings are formed in the top of the moving plate, and placing plates are arranged in the placing openings. According to the chain piece shot blasting device, a chain piece needing shot blasting is placed on the two containing plates, shot blasting treatment is conducted on the chain piece on one containing plate, after shot blasting is finished, the first motor is used for driving the driving rod to rotate, the driving rod drives the driving gear to rotate, the driving gear drives the rack to move, the rack pulls the movable plate, and shot blasting is conducted on the chain piece on the movable plate. And the shot-blasted chain sheets are moved out of the shot-blasting box, the non-shot-blasted chain sheets are moved into the shot-blasting box, and the process is repeated, so that the shot-blasting treatment can be continuously performed on the chain sheets, and the shot-blasting efficiency of the chain sheets is improved.

The utility model relates to the technical field of water jet cutting machines, and discloses a multidirectional linkage gun head of a water jet cutting machine, which comprises a fixed plate, the lower end of the fixed plate is rotatably connected with a connecting shaft, the lower end of the connecting shaft is connected with a mounting plate, and the fixed plate is provided with a rotating assembly for driving the connecting shaft to rotate. A fixing barrel with an opening in the lower end is hinged to the lower end of the mounting plate, a gun head is slidably mounted in the fixing barrel, a driving assembly used for driving the gun head to move in the vertical direction is mounted in the fixing barrel, an air cylinder is hinged to the lower end of the mounting plate, and the piston end of the air cylinder is hinged to the side wall of the fixing barrel. According to the technical scheme, through mutual cooperation of the fixing plate, the connecting shaft, the mounting plate, the fixing barrel, the gun head, the air cylinder, the motor, the first gear, the second gear, the electric push rod and other structures, the angle of the gun head can be adjusted to meet the requirements under different conditions, and therefore the applicability of the device is improved.

The utility model relates to the technical field of handheld sand blasting machines, and discloses a handheld sand blasting machine, which comprises a working table, a sand grain container, a spray gun and a sand blasting box, a processing table is fixed at the bottom position in the sand blasting box, and a support plate is fixed at the bottom end of a suspension rod. The processing table is fixedly mounted at the bottom in the sand blasting box, the left side edge of the processing table is inclined, so that waste materials generated during sand blasting can be discharged from the discharge port, the water tank is mounted at the top of the sand blasting box, inlet water treatment is performed at the water inlet, and the process is filtered by the filter plate, so that the waste materials can be discharged from the sand blasting box. After a water pump is started to work, a water source in a water tank is pumped under the connection of a first drainage pipe, then the water source is drained into a water storage pipe after being drained through a second drainage pipe, the purpose of cleaning a workpiece is achieved through uniform spraying of a spraying head, and therefore the overall cleaning capacity is well improved in the working process.

The utility model discloses an aluminum profile sand blasting device convenient to adjust, and relates to the technical field of aluminum profile sand blasting. The sand blasting device comprises a rectangular frame, a lifting mechanism and a configuration mechanism are arranged on the rectangular frame, four sliding rods are fixedly connected to the bottom of the rectangular frame, sliding plates are connected to the outer walls of the four sliding rods in a sliding mode, sand blasting pipes are fixedly connected to the bottoms of the sliding plates, and a two-way screw is rotationally connected to the bottom of the rectangular frame. By arranging the lifting mechanism, when the sand blasting device is used, if the sand blasting distance of the sand blasting pipe needs to be adjusted, the manual turntable on the outer wall of the two-way screw rod can be rotated, the two-way screw rod can drive the two sliding blocks on the two-way screw rod to be close to each other, and when the two sliding blocks are close to each other, the two sliding blocks are matched with the connecting rods connected with the two sliding blocks; and the sliding plate connected to the other end of the connecting rod can slide downwards on the outer walls of the multiple sliding rods, and then the sand blasting pipe on the sliding plate is driven to move downwards, so that different sand blasting requirements of the aluminum profile are met.

The application discloses a sand blasting device for production and processing and a prewarning method thereof, and relates to the technical field of metal surface sand blasting treatment. The device comprises a circular rotating base, a square plate arranged above the base and a sand blasting nozzle. The sand blasting nozzle can move radially along the base, and the base is connected with a servo motor through a connecting shaft to realize accurate rotation. The prewarning method comprises the following steps: calculating the sand blasting height and matching the sand blasting diameter and the overlap threshold according to the input plate size parameters; if the single air pressure sand blasting requirement cannot be met and pressure boosting is needed, triggering the edge overpressure prewarning; and generating the adaptive sand blasting path after confirmation. The method divides the plate surface into a circular area, an arc segment area and a strip edge area, and adopts annular, swinging and edge moving sand blasting modes respectively, which significantly reduces the erosion of the rotating base caused by sand blasting, especially reduces the over-spraying risk of the edge area, and improves the service life of the equipment and the processing quality.

This invention provides a pre- and post-mixing combined abrasive waterjet mechanism and method, comprising an ultra-high pressure waterjet device, a high-pressure abrasive waterjet device, and a jet mixing and accelerating device. The ultra-high pressure waterjet device and the jet mixing and accelerating device are further subdivided, with several high-pressure abrasive waterjet devices, all inclined relative to the ultra-high pressure waterjet device. The jet mixing and accelerating device includes a mixing chamber, a mixing jet nozzle, and a locking assembly. The mixing chamber has several mounting holes, one of which communicates with the ultra-high pressure waterjet device, while the other mounting holes connect to their corresponding high-pressure abrasive waterjet devices. At least one high-pressure abrasive waterjet device is connected to the mixing chamber. This invention first forms a pre-mixed abrasive waterjet, then forms a higher-velocity ultra-high pressure waterjet for secondary acceleration, thereby significantly increasing the abrasive particle velocity and improving the jet cutting effect.

The utility model provides a sand blasting device suitable for round workpieces, which comprises a sand blasting cabinet used for accommodating processed workpieces, the upper end of the sand blasting cabinet is provided with a movable groove for a sand blasting pipe to extend into the cabinet body, and a sand blasting pipe moving assembly capable of being connected with the sand blasting pipe to guide the sand blasting pipe to move is arranged beside the sand blasting cabinet. And a jacking rotating assembly which extends into the cabinet body and is used for bearing a treated workpiece is arranged below the sand blasting cabinet, so that the inner surface and the outer surface of the treated workpiece can be effectively treated. According to the utility model, through the arrangement of the sand blasting pipe moving assembly which specifically comprises the lifting assembly, the transverse moving assembly, the sand blasting pipe adjusting assembly and the jacking rotating assembly, comprehensive and uniform sand blasting treatment on the inner and outer surfaces of a circular workpiece is realized, the treatment efficiency and consistency are remarkably improved, low efficiency and inconsistency caused by manually holding a sand blasting gun by hand are avoided, and the production efficiency is improved. Compared with the prior art, the sand blasting device has the remarkable advantages that the sand blasting efficiency, quality and environment-friendly performance of the circular workpiece are remarkably improved.

The utility model discloses a kind of dual-function tool bit structure of water cutting machine equipment, including mounting bracket, the two sides outer walls of mounting bracket are respectively equipped with replacement mechanism and cutting assembly, further include: lifting mechanism: install in the outer wall of one side of mounting bracket;The replacement mechanism includes fixed disc, fixed frame and drive assembly, the outer wall of one side of fixed frame is equipped with connecting frame, fixed seat is equipped on the connecting frame, the inside of fixed seat is equipped with second electric telescopic rod, the movable end of second electric telescopic rod is equipped with connecting plate, the bottom outer wall of connecting plate is equipped with push plate.The dual-function tool bit structure of water cutting machine equipment disclosed in the utility model has the effect of realizing the quick replacement and accurate positioning of new tool head body, completing the efficient cutting operation of different processing requirements, ensuring cutting accuracy and stability, and further improving overall processing efficiency and quality.

The invention relates to a cleaning system for cleaning surfaces by means of a CO2 snow jet (14), comprising a cleaning chamber (16) with an exhaust gas outlet (52) for the discharge of an exhaust gas stream (54), at least one CO2 snow jet nozzle (22) arranged in the cleaning chamber (16) for generating a CO2 snow jet from liquid CO2 and accelerating gas (50), a CO2 supply device (24) for supplying liquid CO2 to the CO2 snow jet nozzle, an accelerating gas supply device (26) for supplying accelerating gas to the CO2 snow jet nozzle, and an exhaust gas treatment device (56) which is configured toto remove at least some of the CO2 contained in the exhaust gas stream and to feed it to the CO2 supply device for reuse in the CO2 snow jet nozzle, and to feed a CO2-reduced residual exhaust gas stream (60) obtained by removing the CO2 to the acceleration gas supply device in a compressed form for reuse as acceleration gas (50) in the CO2 snow jet nozzle. The invention also relates to a method for cleaning a surface using a CO2 snow jet.

The utility model relates to the technical field of rubber product processing, and discloses a surface treatment sand blasting machine for rubber products, which comprises a conveying frame, a plurality of conveying rollers are rotatably arranged in the conveying frame, a collecting hopper is arranged at the bottom end of the conveying frame, a sliding cover body is arranged above the conveying frame, a sand storage cylinder is fixedly arranged in the middle of the cover body, and the sand storage cylinder is arranged in the conveying frame. A sand outlet pipe is arranged at the bottom end of the sand storage cylinder, and a communicating pipe is fixedly arranged at the bottom end of the sand outlet pipe; rubber products can be conveyed through the conveying rollers in the conveying frame, the conveyed rubber products can be subjected to sand blasting treatment through the sand blasting mechanism in the cover body, meanwhile, materials obtained after sand blasting can be collected through the collecting hopper, and recycling of the materials is facilitated; high-pressure gas can be sprayed out through the arranged spray gun, materials attached to the surfaces of the conveying rollers are cleaned, meanwhile, the cover body is arranged to be movable, and the conveying rollers at different positions can be cleaned.