14results about How to "Reduce sanding" patented technology

The invention provides a pickling process method for rotatable guide vane blades, which comprises the following steps: S1, performing oil removal process locking, and performing cleaning comparison on the same batch of blades at different times and different temperatures to completely remove oil stains on the surfaces of the blades; s2, acid process optimization is carried out, acid comparison at different times and different temperatures is carried out on the same batch of leaves, and an oil removal procedure and a neutralization procedure are fixed; s3, carrying out final determination on an alkali neutralization sample; and S4, the blade surface is subjected to compressed air cleaning and drying comparison in a drying furnace. By means of the method, the clean rotatable guide vane blade is obtained, meanwhile, cleaning of worker surface dust scraping is avoided, an ideal surface is provided for subsequent blade detection, the production efficiency is improved, damage to the blade surface caused by repeated acid pickling cleaning is avoided, and by means of the experiment, optimal acid pickling process parameters are found out; a large amount of unnecessary surface secondary cleaning and polishing are reduced, manpower is reduced, and experimental data are accumulated for the pickling process.

This utility model discloses a lubricating oil receiving device for injection molding machine mold clamping, including an injection molding machine mold clamping body and a machine upper shell located below the injection molding machine mold clamping body. The injection molding machine mold clamping body has a moving platen in the middle. The machine upper shell is provided with an upper shell panel, which includes a fixed mold stop panel, an integrated oil guide plate, an integrated oil receiving platen, and a rear platen oil stop platen. A moving platen oil receiving platen is provided below the moving platen. The fixed mold stop panel, the integrated oil guide plate, the integrated oil receiving platen, and the rear platen oil stop platen are connected sequentially. The fixed mold stop panel and the integrated oil guide plate are inclined downwards and connected to the integrated oil receiving platen, and the rear platen oil stop platen is inclined downwards and connected to the integrated oil receiving platen. This utility model adopts a plate bending method, integrating multiple parts into one part through the process of bending steel plates, reducing full welding and grinding, improving production efficiency, and achieving the purpose of rapid spot welding installation.

The application discloses a cutting synergist for liquefied petroleum gas and a preparation method thereof, and belongs to the technical field of cutting synergists. The cutting synergist is prepared by mixing the following components with the mass content: an alkyl ferrocene mixture 5-8%, n-octane 6-10%, ethylene glycol monoethyl ether 8-10%, isooctyl nitrate 10-15%, acetone 15-25%, and 200# solvent oil 25-45%. The application is a high-efficiency energy-saving synergist for cutting liquefied petroleum gas, and the performance of the liquefied petroleum gas after the addition of the synergist can reach and exceed the cutting performance level of the original petroleum gas and acetylene gas, and the liquefied petroleum gas can completely replace acetylene gas, natural gas and pure propane to be used as industrial gas for metal cutting. The product performance exceeds that of natural gas, industrial propane and the same kind of synergists on the market, and has a wide application prospect, and is a great breakthrough of industrial gas in the industrial field of China.

The application discloses a steel pipe surface polishing device, which belongs to the technical field of handheld polishers. The steel pipe surface polishing device comprises a polisher, a fixing frame, a polishing mechanism and a longitudinal handle which are sequentially arranged on the polisher. The polisher is provided with a power output end which penetrates through the fixing frame. The polishing mechanism comprises two rotating wheels which are distributed left and right. The rotating wheel close to the fixing frame is connected with the power output end. The two rotating wheels are connected with polishing belts. The fixing frame is fixedly provided with a fixing frame. The fixing frame is slidably provided with a sliding frame. The other rotating wheel is mounted on the sliding frame. The lower end of the sliding frame is provided with a working cavity. The working cavity is provided with a fixed position fixing rotating drum and a sliding sliding rotating drum. The fixing rotating drum and the sliding rotating drum can rotate in the working cavity. The steel pipe surface polishing device has the beneficial effects that the circumferential wrapping angle of the sand belt to the steel pipe can be increased, the number of circumferential rotation is reduced, the polishing efficiency and effect are improved, the operation is simple, and the steel pipe surface polishing device is convenient to use.

The utility model relates to the technical field of four-inch reverse osmosis membrane shells, in particular to a novel four-inch combined membrane shell, which comprises a membrane shell main body provided with a first connecting structure; the end plate is arranged at one end of the membrane shell main body, a second connecting structure is arranged on the end plate, and the first connecting structure is connected with the second connecting structure; the sealing plate is arranged in the membrane shell main body, a sealing structure is arranged on the sealing plate, a membrane element connecting port, a raw concentrated water port connecting port and a purified water outlet connecting port are formed in the sealing plate, and the membrane element connecting port is communicated with the purified water outlet connecting port; and the adjustable gasket is arranged on the sealing plate. The novel four-inch combined type membrane shell is simple in structure, traditional structures such as a stop block and a security ring are omitted, meanwhile, a large amount of manual operation is reduced, and raw material cost and labor cost are saved.

The utility model relates to the technical field of metal cutting, and discloses a flat copper wire fixed-length shearing device which comprises an installation base, a transverse guide rail and a positioning platform are fixedly installed on the upper surface of the installation base, a translation base is installed on the upper surface of the transverse guide rail in a sliding mode, and an installation table is arranged on the upper surface of the translation base. An overturning supporting arm is rotationally installed on the upper side of the installation table, a connecting cross beam is fixedly installed at the upper end of the overturning supporting arm, and a cutting motor is slidably installed on the surface of the connecting cross beam. According to the flat copper wire fixed-length shearing device, the cutting motor is arranged to drive the cutting disc to rotate, the cutting disc cuts off a flat copper wire to be machined in a rotating mode, as the cutting motor can slide on the connecting cross beam and is adjusted to a proper distance, the fixed-length shearing function can be achieved, compared with an extrusion cutting mode, a notch formed after a material is cut off by the device is flat, and the cutting efficiency is improved. The large-section flat copper wire shearing device is simple in structure and small in deformation, subsequent polishing is omitted, the requirement for large-section flat copper wire shearing is met, and working efficiency is improved.

The utility model discloses a grinding and polishing clamp for an amorphous sample, belongs to the technical field of clamping tools, solves the problem that the amorphous sample is difficult to fix by the existing clamp, and adopts the technical scheme that the grinding and polishing clamp for the amorphous sample comprises a connecting cylinder and an adjusting ring, one end of the connecting cylinder is slidably connected with a plurality of clamping jaws, a clamping area for clamping an amorphous sample is formed among the clamping jaws, the adjusting ring is in threaded connection with the clamping jaws, the adjusting ring drives the clamping jaws to slide so as to enable the end parts of the clamping jaws to be close to or separated from each other, one end, far away from the clamping jaws, of the connecting cylinder is provided with a loading rod, and the connecting cylinder is provided with a through hole communicated with the clamping area. The loading rod extends into the clamping area from the through hole and is used for abutting against the end of the amorphous sample, and the connecting cylinder is provided with an adjusting piece for driving the loading rod to be close to or away from the end of the clamping jaw. The amorphous sample clamping device is mainly used for adapting to amorphous samples of different specifications, and clamping of the amorphous samples is firmer and more reliable.

The utility model relates to the technical field of shell polishing, and discloses a polishing device for compressor connector production, which comprises a mounting frame, and the polishing device is arranged in the mounting frame. According to the grinding device for compressor connector production, by arranging a first motor, a concentric-square-shaped frame, a mounting box, a sliding block, a second motor, a gear, a rack and a second sliding rod, the concentric-square-shaped frame and a grinding assembly can be driven to move front and back by starting the first motor, the gear is driven to roll up and down along the outer surface of the rack by starting the second motor, and the position of the grinding assembly can be adjusted; the outer surface of the grinding assembly and the inner wall of the compressor connector shell are squeezed and slide, and the device effectively grinds the inner wall of the connector shell; and by arranging the grinding assembly, the moving box, the T-shaped sliding block, the first spring, the second spring and the limiting sliding block, the first spring and the second spring are arranged, so that the extrusion force between the outer surface of the grinding assembly and the inner wall of the connector shell is prevented from being too large, and grinding can be buffered conveniently.

The invention provides a four-coating two-baking finish paint spraying method capable of realizing mass production and finish paint, belongs to the technical field of vehicle body spraying, and aims to solve the problem that a whole vehicle needs to be polished in a multi-layer varnish finish paint technological process, and the method comprises the following steps: sequentially spraying a water-based floating coat and colored paint on a vehicle body subjected to electrophoresis treatment, and carrying out flash drying treatment; single-component varnish or double-component varnish is sprayed to the automobile body, and drying treatment is carried out; thirdly, the defect point positions on the vehicle body are polished, the two-component varnish is sprayed, drying treatment is conducted again, and the vehicle body coated with the finish paint for four times and dried for two times is obtained; the single-component varnish is prepared from the following components in parts by weight: 35 to 45 parts of acrylic resin, 13 to 18 parts of first amino resin, 18 to 23 parts of anti-sagging resin, 5 to 8 parts of polyester resin, 1.5 to 2 parts of auxiliaries and 15 to 18 parts of solvent. The two-component varnish comprises a main agent and a curing agent; the main agent comprises 35-47 parts of acrylic resin, 14-24 parts of second amino resin, 16-25 parts of anti-sagging resin, 0.8-1.3 parts of an auxiliary agent and 15-38 parts of a solvent; the curing agent comprises a polyisocyanate curing agent.

The present invention relates to a device and method for oil well sand prevention using nitrogen foam. The device for oil well sand prevention using nitrogen foam comprises: a liquid nitrogen pump truck, a sand mixing truck, a sand-carrying liquid pump truck, a three-phase foam generator, a sliding wellhead, a casing, an oil pipe, a packer, a filling tool, a screen tube, a perforation, a thread plug, a sand wall and an artificial well bottom; the method for oil well sand prevention using nitrogen foam comprises the following steps: S1, preparation before construction, S2, nitrogen foam preparation, S3, wellhead pressure measurement, S4, pre-foam liquid injection and step-by-step sand addition, S5, displacement liquid injection, S6, pressure release and well shut-in pressure relief, S7, spraying and backwashing the well, S8, re-exploring the sand surface of the central pipe and pulling out the pipe column. The present invention can improve the sand carrying capacity of the foam sand-carrying liquid, reduce the filtration loss of the foam sand-carrying liquid and the amount of liquid used, increase the thickness and length of the sand wall, reduce the phenomenon of sand stripping and sand plugging, improve the viscosity of the sand-carrying liquid, achieve a uniform sand spreading effect, increase the liquid production, and extend the production cycle.

The present application relates to the technical field of aluminum electrolysis, and in particular to a bonding anode carbon block and a safe bonding method thereof, which includes: a carbon block substrate, which is arranged in a cubic shape, with a first plug-in slot provided on the side wall, and grooves provided on the side walls on both sides of the first plug-in slot; a protrusion, which is arranged on the side wall of the carbon block substrate away from the first plug-in slot, and has a connecting slot to form a carbon bowl, and can be plugged into the first plug-in slot of an adjacent anode carbon block; a limiting block, which is arranged on the side wall of the carbon block substrate away from the protrusion, and is provided with two, respectively located on both sides of the first plug-in slot, and a hooking portion is formed on the side walls of the two limiting blocks close to each other, and the hooking portion can be hooked into the groove; a filling block, which matches the shape of the connecting slot and is used to fill the carbon bowl during bonding. The present application has the effect of improving bonding efficiency.

The utility model discloses an automatic perforating mechanism of a seamless steel tube perforating machine, which belongs to the technical field of seamless steel tube processing and comprises a supporting seat, a transmission roller is mounted on the inner wall of the supporting seat, a seamless steel tube blank is arranged at the upper end of the transmission roller, and a limiting mechanism is arranged on the outer side of the seamless steel tube blank. According to the automatic perforating mechanism of the seamless steel pipe perforating machine, the ejector rod mechanism and the limiting mechanism are additionally arranged, and the ejector rod mechanism adopts a structure for rapidly replacing a perforating ejector rod and is matched with hydraulic thrust to achieve the automatic perforating effect; the punching diameter of the ejection rod mechanism can be changed by quickly replacing the structure of the punching ejection rod, so that the adaptability of the automatic punching mechanism of the seamless steel pipe punching machine is higher, subsequent seamless steel pipe machining operation is facilitated, the limiting mechanism adopts a double-end limiting structure, the movement range of a seamless steel pipe blank and the punching ejection rod can be limited, and the punching efficiency is improved. And stable displacement of the seamless steel tube blank and the perforating ejector rod is ensured.

The application discloses a large-scale porous structure welding deformation control device, which comprises an upper calibration seat (5), a supporting rod (6), a lower supporting seat (7) and a jack (8), the upper calibration seat (5) comprises a pressure plate (52), the supporting rod (6) comprises a supporting plate (61) and a connecting rod (62), the supporting plate (61) is arranged above the upper calibration seat (5), and the connecting rod (62) penetrates through a through hole of the pressure plate (52) and a round hole of a positioning plate three (3), the lower supporting seat (7) comprises a lower supporting plate (71) which is arranged at the lower end of the positioning plate three (3) and connected with the connecting rod (62), and the jack (8) is arranged between the supporting plate (61) and the pressure plate (52). The device disclosed by the application can play a key role in preventing deformation of a large-scale porous plate in a complex working environment, and an additional fixed fulcrum is not needed.

The invention relates to a treatment device for a small inclined surface of a hard alloy holding-up hammer of a cubic press. The treatment device comprises a case, a holding-up hammer bearing member; a shot peening sorting part; and a shot blasting machine main body. According to the shot blasting device, a plurality of slideways for recycling shot blasting are arranged, and the slideways are designed in a conical spring shape, so that the broken or broken shot blasting has larger friction force when being in contact with the inner walls of the slideways compared with spherical shot blasting, and the broken or broken shot blasting has lower speed after sliding out of the slideways; qualified spherical peening shots have a high speed after sliding out of the slide way, so that the qualified spherical peening shots fall into the circular shot collecting bin, and the broken or broken peening shots fall into the annular shot collecting bin; the slideway is designed to be in a conical spring shape, so that an obvious speed difference can be generated between unqualified peening shots and qualified peening shots while the occupied volume is reduced, the sorting accuracy is improved, the situation that broken peening shots participate in polishing again is reduced, and the polishing effect of the small inclined surface of the holding-up hammer is improved.