19results about How to "High scrap rate" patented technology

The invention discloses a pre-concentration and tailing discarding process for vanadium titano-magnetite, and relates to the technical field of vanadium titano-magnetite beneficiation, and the pre-concentration and tailing discarding process comprises the following steps: raw ore is subjected to crushing operation to obtain a crushed product, and the crushed product is fed into high-pressure roller grinding operation to obtain a high-pressure roller grinding product; the high-pressure roller-milled product is subjected to screening operation, and an oversize product with the large particle size and an undersize product with the small particle size are obtained; the undersize products are subjected to first weak magnetic pre-concentration operation, tailings obtained through the first weak magnetic pre-concentration operation are subjected to first strong magnetic pre-concentration operation, concentrate obtained through the first weak magnetic pre-concentration operation and concentrate obtained through the first strong magnetic pre-concentration operation are combined into final pre-concentration concentrate, and the tailings obtained through the first strong magnetic pre-concentration operation serve as one part of final tailings; the oversize products are subjected to second weak magnetic pre-concentration operation, tailings obtained through the second weak magnetic pre-concentration operation are subjected to second strong magnetic pre-concentration operation, and concentrate obtained through the second weak magnetic pre-concentration operation and concentrate obtained through the second strong magnetic pre-concentration operation are combined and then returned to the high-pressure roller grinding operation; tailings obtained by the second strong magnetic pre-separation operation are used as one part of final tailings. According to the method, crushing, high-pressure roller grinding and screening are adopted, oversize and undersize products obtained through screening are subjected to magnetic separation, pre-concentration and tailing discarding, oversize product pre-concentration concentrate is returned to the high-pressure roller grinding, the subsequent ore grinding and selecting cost is effectively reduced, the iron and titanium grades of subsequent ore entering the grinding process are improved, the load capacity of the high-pressure roller grinding machine can be reduced, and energy consumption and production cost are reduced.

The invention relates to the technical field of blow molding, and particularly discloses a plastic bottle production device which comprises a machining table, a rotating rod is rotationally connected to the inner wall of the machining table, the outer surface of the rotating rod is sleeved with a conveying belt, a clamping assembly is placed on the outer surface of the conveying belt, and a temperature control chamber is fixedly installed on the upper surface of the machining table. According to the bottle preform machining device, adjustment can be conducted through the clamping assemblies according to the sizes of bottle preforms, the bottle preforms of different specifications can be limited, the bottle preforms can be flexibly clamped, meanwhile, the bottle preforms can be kept in the middle all the time in the feeding process, and the machining efficiency is improved. Through the blow molding assembly, it can be guaranteed that molds are always aligned under the condition of long-time use, when the molds incline or are not aligned, an alarm can be given out in time, workers can carry out maintenance in time, and it is guaranteed that the wall thickness of a bottle is uniform during blow molding.

The utility model discloses a plate-made disc welding eccentric reducing joint, and relates to the technical field of pipeline fittings. The disc is connected with the first short pipe; the first short pipe is connected with the disc, the second short pipe is connected with the disc, the reinforcing flange plate is connected between the disc and the second short pipe, the inner diameter of the first short pipe is larger than that of the second short pipe, and the eccentric distance between the first short pipe and the second short pipe is H; a first inner hole is formed in the first short pipe, a second inner hole is formed in the second short pipe, a third inner hole is formed in the disc, the third inner hole is connected between the first inner hole and the second inner hole in a penetrating mode, and the inner diameter of the second inner hole is the same as that of the third inner hole. The eccentric distance of the third inner hole on the disc is H. The corrosion-resistant and wear-resistant layers are arranged in the second inner hole and the third inner hole. The conveying device is easy to machine, low in cost, firm in connection and stable in conveying.

The invention relates to the technical field of welded pipe burr removal, and discloses an inner wall scraper and a machining method thereof.The inner wall scraper comprises a blade conical wall, a blade inner wall and a cutting edge formed by the joint of the top of the blade conical wall and the top end of the blade inner wall, the cutting edge is annularly arranged, and the cutting edge is used for making contact with craters on the inner wall in the welded pipe welding process; the burrs enter the inner wall of the blade through a chip removal inlet formed by annularly surrounding the cutting edge, the included angle between the extension line of the top end of the inner wall of the blade and the top of the conical wall of the blade is a first included angle, and the first included angle is an obtuse angle; the included angle of the longitudinal section of the cutting edge is complementary with the first included angle, and the cutting edge forms a sharp edge; the inner wall of the blade is provided with a chip removal channel which is used for burrs to pass through and is of a conical hole-shaped structure. According to the invention, the sharpness of the cutting edge is improved.

The invention relates to a preparation method and application of a binary formula Dai pottery pug. The preparation method comprises the following steps: taking Dai pottery clay in the HongRiver basin, Wuhua soil in the HongRiver county and charcoal dust, and exposing and weathering the Dai pottery clay and the Wuhua soil for at least three months; the mass content of SiO2 in the Dai clay in the HongRiver basin is not less than 50%, the mass content of Al2O3 is not less than 15%, the mass content of Fe2O3 is not less than 10%, and the ignition loss is less than 10%; the content of SiO2 in the Wuhua soil in the Honghe county is 72%-82%, the content of Al2O3 is 9%-12%, and the content of Fe2O3 is 3%-5%; the preparation method comprises the following steps: adding water into the Dai pottery clay and the Wuhua soil according to the mass ratio of the Dai pottery clay to the Wuhua soil to the charcoal powder of (100-120): (40-50): (8-10), fully soaking, then carrying out ball milling, sieving slurry, then adding the charcoal powder, uniformly stirring, squeezing mud, draining, pugging and exhausting. According to the invention, the throwing and compression molding performances of the Dai pottery clay can be improved, the sintering temperature and the compactness and strength of the structure of the Dai pottery clay can be improved, and the burn out rate can be reduced.

The utility model relates to the technical field of cutting equipment and discloses an I-shaped steel laser cutting machine for metal smelting and calendaring processing, which comprises a supporting seat, a supporting plate is fixed in the supporting seat, a second clamping device is arranged on the lower side of the supporting plate, and a fixing column is fixed on one side of the upper portion of the supporting plate. A first clamping device is fixed to the top of the fixing column, a fixing box is fixed to one side of the upper portion of the supporting seat, an electric push rod is arranged in the fixing box, a supporting column is fixed to the top of the electric push rod, a containing box is fixed to the end, away from the electric push rod, of the supporting column, a partition plate is fixed to the interior of the containing box, and a cutting device is arranged on the upper side of the partition plate. The I-shaped steel laser cutting machine has the advantages that through the first clamping device and the second clamping device, the problems that an existing I-shaped steel laser cutting machine is prone to shaking during cutting, so that the rejection rate of metal workpieces is increased, and in addition, when a metal pipe fitting is fixed, the machining efficiency of the metal workpieces is reduced are solved.

The present application relates to the field of fixture design for machine tools, in particular to a machine tool clamping force measuring clamp plate system and a method for measuring clamping force using the same. The system is composed of a clamp plate, a tail support device and a pressure regulating device. The clamp plate is a whole plate body and has an axisymmetric structure. A boss is arranged in the central region of the clamp plate and serves as a force beam. A through hole is arranged in the central region of the force beam. The clamp plate body is divided into a force transmission beam, a sensing beam and a contact beam region. The length direction edge region is the force transmission beam, the width direction edge region is the contact beam, and the remaining middle region is the sensing beam. The sensing beam is separated from the edge force transmission beam through the long holes on its two sides. Four strain gauges are fixed on the surface of the sensing beam on one side of the through hole. The four strain gauges are connected to form a Wheatstone bridge circuit. The present application solves the defects and limitations of traditional clamp plates that cannot control clamping force, preventing processing errors and surface defects caused by improper clamping force application.

The present invention discloses a self-smoothing copper belt conveyor device for chip clamping electrode sheet, including a copper belt reel placement rack, a guide wheel, a tensioning self-adjusting support platform, a driving component, a hollow smoothing component and a positioning and sending component, wherein the copper belt reel placement rack is installed on the rear side of the copper belt rack, the guide wheel is installed on the side of the copper belt reel placement rack, the tensioning self-adjusting support platform is installed on the right side of the guide wheel on the side of the copper belt rack, the driving component is installed on the right side of the tensioning self-adjusting support platform on the side of the copper belt rack, the hollow smoothing component is installed on the right side of the driving component on the side of the copper belt rack, and the positioning and sending component is installed on the right side of the hollow smoothing component on the side of the copper belt rack. The present invention can carry out adaptive lifting and adjustment of copper belts transmitted at different angles, the driving component can adjust the working spacing of the driving component according to copper belts of different thicknesses, ensure that the driving component is equidistantly and stably transmits the copper belt, and the hollow smoothing component can ensure that the copper belt is flat and wrinkle-free, ensuring that the scrap rate of the chip clamping electrode sheet produced is low.

The one-way valve comprises a valve body assembly and a valve seat assembly, the valve seat assembly comprises a valve seat, and the valve seat is fixedly connected with the valve body assembly; the valve body assembly comprises a first valve body assembly and a second valve body assembly, the first valve body assembly is fixedly connected with the valve seat, the second valve body assembly is fixedly connected with the valve seat, the first valve body assembly comprises a first connecting pipe and a second connecting pipe, and the first connecting pipe and the second connecting pipe are stainless steel pipes; at least one includes a first section and a second section closer to the valve seat assembly than the first section, the second section having a diameter greater than that of the first section. The one-way valve can reduce the machining difficulty.

A method for preparing a binary formula for Dai pottery clay and its application is disclosed. The method involves taking Dai pottery clay from the Honghe River basin, five-colored clay from Honghe County, and charcoal powder. The Dai pottery clay and five-colored clay are sun-dried and weathered for at least three months. The Dai pottery clay from the Honghe River basin has a SiO2 content of not less than 50%, an Al2O3 content of not less than 15%, an Fe2O3 content of not less than 10%, and a loss on ignition of less than 10%. The five-colored clay from Honghe County has a SiO2 content of 72-82%, an Al2O3 content of 9-12%, and an Fe2O3 content of 3-5%. The method involves soaking the Dai pottery clay and five-colored clay in water until fully saturated, then ball-milling them. The slurry is sieved, and then charcoal powder is added. After stirring evenly, the clay is pressed to drain water and then kneaded to remove air. This invention can improve the throwing and molding performance of Dai pottery clay, increase the sintering temperature and the density and strength of its structure, and reduce the burn-off rate.

The utility model discloses a spark plug automatic iron casing sleeving assembling device comprising a pedestal, the upper surface of the pedestal is provided with a plurality of fixing bolts, the upper end of the pedestal is provided with a machine body, the machine body is internally provided with a collection box, the side wall of the collection box is fixedly provided with a handle, the upper end of the machine body is provided with a driving box, and the upper end of the driving box is provided with an iron casing. And an electric push rod is fixedly mounted in the driving box, a movable plate is connected to the telescopic end of the electric push rod, and a plurality of anti-skid protrusions are arranged on the side wall of the movable plate. Through the arrangement of the first rack, the gear and the second rack, when the electric push rod drives the movable plate to move so as to sleeve a spark plug into an iron shell, the assembly plate can be driven to move downwards, so that the iron shell is fixed by the pressing plate, the fixing effect of the pressing plate is enhanced along with the increase of the sleeving length, and the stability during butt joint is improved; and the rejection rate increase caused by iron shell shaking is avoided.

The invention relates to a magnetic steel set blending machine, and belongs to the technical field of strong magnetic material set blending devices. The machine mainly solves the technical problems that an existing magnetic steel set blending process is large in workload, low in production efficiency, high in rejection rate and prone to hurting people. According to the technical scheme, the magnetic steel set blending machine comprises a rack, a panel, a baffle, a guide plate, a pushing device, a pressing device and a rotating discharging device; the panel is arranged at the upper end of the rack, a rectangular through hole is formed in the panel, the rotating discharging device is mounted in the rectangular through hole, the baffle is arranged at the position, located on the edge of the rear side of the rectangular through hole, of the panel, the guide plate is longitudinally arranged on the panel, the front end of the guide plate is connected with the left end of the baffle, the pressing device is arranged at the position, located on the edge of the rear side of the rectangular through hole, of the panel, a channel for containing a magnetic steel set is formed by the pressing device and the guide plate, and the pushing device is arranged at the position, located on the edge of the front side of the rectangular through hole, of the panel and located in front of the channel containing the magnetic steel set.

A high-strength and energy-saving carriage flower fence for a cargo truck or semi-trailer, belonging to the technical field of special vehicles, the flower fence comprises an upper frame, a lower frame, a vertical frame, a reinforced angle piece and a vertical scale, hinges and door knives are welded on the reinforced angle piece, and the flower fence also comprises a horizontal scale. The flower fence of the present invention changes the traditional bevel connection method, adopts a right-angle connection structure, and designs an enclosing reinforced angle piece to strengthen the connection. In addition, an integral friction hot-melt welding opening is formed to form a reinforced pipe structure, and no additional internal welding of steel pipes is required, which can greatly improve the processing efficiency, strength and quality, and reduce production costs; drainage holes are opened in the vertical frame, the reinforced angle piece and the vertical scale, which can completely and effectively discharge the internal liquid and prevent internal corrosion. The flower fence of the present invention is suitable for carriages with various specifications, and the overall processing efficiency can be increased by more than three times, and the yield rate is increased by more than 70%. The flower fence is stronger, not easily deformed after repeated use, and the service life is extended by at least 3 years.

The invention discloses a method for treating low-grade copper oxide ore, which greatly reduces over-grinding and mudification from the source by adopting conventional crushing-ultra-fine crushing-coarse-grained strong magnetic separation-magnetic separation concentrate regrinding-acid leaching process, realizes strong magnetic separation coarse grain discarding and effective copper enrichment, and at the same time improves the dissociation of coarse-grained intergrowth through regrinding, improves the leaching rate of useful minerals, and reduces sulfuric acid consumption. It provides a new beneficiation and smelting process for the development of copper oxide ore.

The invention discloses a method for manually stripping an In column of an 8-inch reading circuit. The method comprises the following steps: putting a low-corrosivity organic solvent into a specially designed quartz soaking tank to remove photoresist; fixing an 8-inch reading circuit chip on a special clamp, holding a clamp handle by hand to vertically place the clamp and the chip into the quartz soaking tank, and enabling the chip to be completely immersed in the stripping liquid; inclining the clamp towards one surface with the reading circuit, wherein the front surface of the reading circuit faces downwards; after soaking for 4 hours, a medical injector is used for sucking stripping liquid to spray and wash the edge of the front surface of the reading circuit on the clamp, so that In on the surface is bulged and is separated from the chip, and tweezers are used for clamping away the bulged In; after stripping is completed, the front face and the back face of the reading circuit are washed; finally, putting the chip into a drying oven, and drying at 100 DEG C for 10 minutes; scratch and deformation of the In column are obviously reduced, and stripping efficiency and yield are improved. Through inclined clamp design and pressure control, In particle falling and mechanical stress are avoided.

This invention relates to the field of welding fume purification technology, and discloses a welding fume purification system and method for memory module manufacturing. The welding fume purification system for memory module manufacturing includes a welding equipment body with several suction hoods symmetrically distributed on the body. A horizontal pipe is connected to the outlet of each suction hood, and a first vertical pipe is located at the bottom of the horizontal pipe. This welding fume purification system for memory module manufacturing extends the residence time of the fume in the first vertical pipe through staggered diversion plates, allowing it to fully contact the cooled pipe wall and initially reduce the fume temperature. This significantly slows down the oxidation reaction rate between metal oxides and the filter cartridge substrate, reducing the degree of filter cartridge corrosion and extending its service life. Simultaneously, the stable low-temperature environment prevents the filter cartridge from failing to seal due to thermal expansion and contraction, ensuring filtration accuracy while effectively preventing secondary pollution caused by leakage of unfiltered fume.

The invention discloses a carbon fiber composite material shell and a machining method and a positioning tool thereof in the technical field of fiber composite material machining and manufacturing. The machining method comprises the steps that S1, benchmark machining preparation is conducted, specifically, the cleaned shell is placed on a tool prepared for cleaning; s2, processing a front skirt reference: processing by taking the center of the outer circle (concentric with the rear joint) of the reference block on the rear skirt end surface, the center line of the front joint phi hole and the tool supporting plane as the reference; s3, processing a back skirt reference; s4, semi-finish machining and finish machining of the shell, wherein the front skirt and the rear skirt are machined according to the machining standard; through mutual cooperation of the lifting assembly and the linkage assembly, after the position of the toad pincers is adjusted, when the toad pincers are fixed to the supporting plate, the pre-positioning assembly can be controlled to descend through transmission of the lifting assembly and the linkage assembly at the same time, so that the shell subjected to pre-positioning directly descends and is fixed through the toad pincers; therefore, the fixing work of the toad forceps can be quickly improved.

The application discloses a semiconductor element test sorting machine, and relates to the technical field of semiconductor sorting machines, which comprises an operation table, wherein a feeding mechanism, a voltage withstand test mechanism, an electrical property test mechanism, an image test mechanism and a sorting and material collecting mechanism are sequentially arranged on the operation table; the sorting and material collecting mechanism comprises a test defective product discharging mechanism, an image test defective product collecting mechanism and a good product collecting mechanism; the good product collecting mechanism comprises a plug feeding mechanism and a third material pipe stacking assembly; the third material pipe stacking assembly comprises a base, and a third placing assembly for placing material pipes is installed on the base; and the plug feeding mechanism comprises a plug vibrating disc. Through the arrangement of the sorting and material collecting mechanism, automatic pipe changing and material collecting can be realized during the sorting and material collecting of products, automatic plug setting and material collecting can be realized through the arrangement of a plug setting assembly, automatic sorting without manual intervention is realized, and the problems of traditional manual pipe placing, such as mixed materials, low efficiency and low automation degree, are solved.

The utility model discloses an arc extinguishing cover assembly machine's collection structure relates to arc extinguishing cover assembly machine technical field, arc extinguishing cover assembly machine's collection structure, including collection hopper still includes: the fixed joint of setting at the bottom of collection hopper, the surface rotationally connected with angle adjusting mechanism of fixed joint, angle adjusting mechanism includes hydraulic rod and swivel joint, set up in the collection hopper bottom collection storehouse, the inner wall fixed connection with buffer mechanism of collection storehouse. The utility model discloses through the setting of angle adjusting mechanism, when using, the hydraulic rod of collection hopper bottom is started, and the cooperation of fixed joint and swivel joint that two ends are connected makes the rotary column of collection hopper top installation rotates on the surface of one side limit post, thereby reached the effect of adjusting the angle of collection hopper, makes collection hopper can adapt the processing piece of diversification, avoids and appears the jam, stacking phenomenon because of improper angle, reduces the collection efficiency.