290results about How to "Guaranteed pass rate" patented technology

The invention belongs to the technical field of oil injection ring sealing ring assembly, particularly relates to an oil injection ring sealing ring assembly line, and solves the problems of low automation degree and low assembly detection efficiency. The oil injection ring and sealing ring assembly line comprises a rack, and the rack is sequentially provided with a pre-assembly detection mechanism used for inputting an oil injection ring to be processed and carrying out hole penetration detection and size detection on the oil injection ring; the radial sealing ring assembling mechanism is used for assembling a radial sealing ring on the oil injection ring and turning over the oil injection ring after the oil injection ring is assembled; the end face sealing ring assembling mechanism is used for assembling an end face sealing ring on the turned oil injection ring; the pressure change detection mechanism is used for carrying out pressure change test on the assembled oil injection ring; the transferring mechanism is used for transferring the oil injection rings among the mechanisms; all the mechanisms are connected with a control computer, and the control computer analyzes detection data and controls coordinated actions of all the mechanisms. The function of automatically assembling the sealing ring on the oil injection ring is achieved, the assembling efficiency is high, and the finished product quality is high.

The invention discloses continuous purification equipment for sewage treatment, which comprises a cylindrical shell, a filter cartridge part and a scraper self-adjusting cleaning mechanism, the filter cartridge part is arranged at the center of a cylindrical cavity of the cylindrical shell and is used for filtering and purifying solid waste in sewage, the scraper self-adjusting cleaning mechanism is movably sleeved on the filter cartridge part, and the scraper self-adjusting cleaning mechanism is used for cleaning the solid waste in the sewage. A reciprocating sliding structure is formed in a cylinder cavity of the cylindrical shell, and the scraping device is used for scraping and cleaning solid waste accumulated on a filter cylinder piece without affecting filtering and purifying treatment and scraping and pushing the solid waste to assist in centralized collection. According to the continuous purification equipment for sewage treatment, automatic scraping and cleaning operation is achieved, the blocking phenomenon caused by solid waste filtration and accumulation is avoided, the passing rate of follow-up sewage filtration and purification is guaranteed, in addition, concentrated collection of filtered solid waste is achieved, the use requirement of automatic cleaning operation is met, and the continuous purification equipment is worthy of popularization and application. And the service life of the filter cartridge piece is ensured.

A high-altitude operation construction vehicle with hoisting and cross arm assisting functions comprises a crane system, a caterpillar band chassis, a swing mechanism, a telescopic arm, a fly arm, a quick change device, a working platform and a cross arm assisting tool, the swing mechanism is installed on the caterpillar band chassis, the fixed end of the telescopic arm is hinged to the swing mechanism, the crane system is installed on the telescopic arm, and the fly arm is installed on the cross arm assisting tool. The flying arm is installed on the telescopic arm through a conversion device, the flying arm can be converted between a storage state and a working state through the conversion device, the flying arm is fixed to the fixed end of the telescopic arm in the storage state, the flying arm is fixed to the telescopic end of the telescopic arm in the working state, and the working platform is detachably connected with the flying arm through a quick change device. The cross arm auxiliary tool is installed on the working platform. The crane can be used as a crane and can also be connected with the working platform through the fly jib, and the cross arm is mounted through the cross arm auxiliary tool on the working platform, so that the operation intensity and risk of workers are greatly reduced, and the construction cost is reduced.

The invention discloses a welding and clamping device for an automobile control arm, and relates to the technical field of automobile manufacturing, the welding and clamping device comprises an operation table, a base is fixedly mounted on the front surface of the operation table, a first control rod is arranged at the top of the base, a welding device is arranged at the bottom of a top cover, and the welding device is electrically connected with the first control rod; the supporting frame is fixedly installed on the top of the operation table, the connecting piece is fixedly installed on the face, close to the shell, of the supporting frame, the fixed disc is fixedly installed at the end, away from the supporting frame, of the connecting piece, and the rotating disc is rotationally installed on the face, away from the connecting piece, of the fixed disc. The sliding table is fixedly mounted on the face, away from the fixed disc, of the rotating disc, the first clamping plate is slidably mounted at the top of the sliding table, the first clamping plate can clamp the control arm, welding failure caused by position deviation of the control arm during welding is prevented, the reject ratio during machining is reduced, and the working efficiency is improved.

The invention relates to the technical field of nodular cast iron pipe machining, in particular to a nodular cast iron pipe water-cooling metal type centrifugal machine of an electric drive system. The device comprises a fan-shaped ladle overturning system, a pouring launder, a pipe mold and a pipe drawing device which are sequentially connected, rotation of the pipe mold is controlled by a pipe mold rotating system, and the pipe mold is arranged on a pipe mold walking system so as to reciprocate between the pouring launder and the pipe drawing device through the pipe mold walking system; according to the nodular cast iron pipe water-cooling metal mold centrifugal machine of the electric driving system, the flow of the metal liquid in the first flow guide plate is sensed through the telescopic control mechanism, when the performance of the driving motor is in a normal state, the pouring runner is controlled to be in an original state, flowing intervention on the metal liquid is avoided, and the qualification rate of pipes is guaranteed. And when the performance of the driving motor is reduced, the pouring runner is automatically extended, so that the metal liquid is prevented from flowing to the ground, and meanwhile, the influence on the subsequent movement of the pipe die is also avoided.

The invention relates to the technical field of clamp devices, and particularly discloses a milling machine clamp for a valve body, which comprises a support plate, a driving assembly and a support assembly, the support assembly is arranged at the top of the support plate in a lifting manner, the support assembly is used for placing the valve body, the driving assembly is arranged at the top of the support plate, and the milling machine clamp further comprises two moving plates, a clamping unit, a protection module and a top extension assembly, the two moving plates are arranged on the supporting plate, rotating discs are rotationally arranged on the opposite side walls of the two moving plates, clamping units are arranged on the rotating discs, and the protection module is arranged on the first clamping block in a sliding mode and can protect the machined outer surface of the valve body. According to the milling machine clamp for the valve body, the valve body can be clamped alternately, the situation that when the clamping part of the valve body is cut or polished, scraps splash to scratch the polished surface is avoided, the qualified rate of valve body production is guaranteed, and meanwhile the production efficiency is improved.

The invention discloses a thin-wall pipe fitting precise cutting device and an anti-deformation cutting method, and relates to the technical field of thin-wall pipe fitting production.The thin-wall pipe fitting precise cutting device comprises an equipment base, a fixing frame is installed on the equipment base, auxiliary supporting pieces are installed on the upper surface of the equipment base and the upper end of the fixing frame correspondingly, and the auxiliary supporting pieces are used for clamping a thin-wall pipe fitting in a rolling mode; a lifting driving frame is fixed to the rear side of the equipment base, a cutting knife is vertically installed on the lifting driving frame in a lifting mode, the main shaft, the fixed supporting sleeve and the adjusting supporting sleeve are arranged and used in cooperation with an opposite-pulling assembly and an auxiliary supporting piece, the fixed supporting sleeve and the adjusting supporting sleeve can support a cut part of a thin-wall pipe fitting in a mode of being attached to a cutting point, and therefore the thin-wall pipe fitting can be cut conveniently. Concave deformation of the thin-wall pipe fitting is avoided when the thin-wall pipe fitting is cut. In addition, the worker can adjust the distance between the fixed supporting sleeve and the adjusting supporting sleeve according to the wall thickness of the thin-wall pipe fitting, the optimal supporting effect of the cutting point of the thin-wall pipe fitting is achieved, and the finished product percent of pass of the cut thin-wall pipe fitting is guaranteed.

The invention discloses a drilling device for submerged pump production, and belongs to the technical field of pump body.The drilling device for submerged pump production comprises a supporting base and a plurality of three-jaw chucks used for clamping a to-be-machined pump body, and a rotary supporting mechanism is fixedly installed at the front end of the top of the supporting base; the multiple three-jaw chucks are evenly installed on the top of the rotary supporting mechanism, and the rotary supporting mechanism is further provided with a synchronous rotating mechanism used for driving the multiple three-jaw chucks to rotate. The rear end of the top of the supporting base is fixedly connected with a supporting frame, and the top end of the supporting frame is rotationally connected with an automatic punching and tapping mechanism. The rotary supporting mechanism and the synchronous rotating mechanism are designed, so that the to-be-machined pump body at the punching position and the tapping position can keep synchronous movement, the synchronism of punching and tapping can be guaranteed, meanwhile, due to the accuracy of the movement position, the machining precision of subsequent tapping machining is guaranteed, and the machining quality of the body is guaranteed.

The invention relates to the technical field of automobile spring manufacturing, in particular to parking system spring assembling equipment and a working method thereof. Parking system spring assembling equipment comprises a material moving assembly, the material moving assembly comprises a material moving driving device and a clamping base, the clamping base is used for fixing an elastic piece body, a forming limiting face is arranged below the position, corresponding to the bending position of the elastic piece body, of the clamping base, and an extension plate extends out of the forming limiting face; the material moving driving device is used for driving the clamping base to sequentially move to a set of stations, and the stations sequentially comprise the assembling station and the bending station. The assembling module directly faces the assembling station, and the assembling module is used for assembling the pivot and the pin roller on the connecting plate; and the bending module comprises a bending execution module and an elastic piece performance detection module, automatic production of the parking system spring can be achieved, the production efficiency is improved, and the percent of pass of products can be increased.

The invention discloses a PTC chip assembling jig and PTC chip automatic assembling equipment, the PTC chip assembling jig comprises a bottom plate, the bottom plate is provided with an electrode slice mounting seat and an insulating yellow paper sleeve positioning plate which are distributed front and back, the surface of the electrode slice mounting seat is provided with a first groove and a second groove, the first groove and the second groove are respectively used for embedding an electrode slice, and the insulating yellow paper sleeve positioning plate is arranged in the first groove and the second groove. During assembly, the first groove and the insulation yellow paper sleeve inserting port are located on the same straight line, the height of the electrode slice installation base is adjusted through the jig, the insulation yellow paper sleeve inserting port is flush with the bottom face of the first groove, the electrode slice and the PTC chip are pushed into the insulation yellow paper sleeve, the electrode slice installation base and the insulation yellow paper sleeve positioning plate are assembled, and then the PTC chip is assembled. The assembly of the PTC chip is completed; according to the automatic assembling equipment for the PTC chip, the chip assembly and the insulating yellow paper sleeve are assembled through the rotation of the rotary workbench and the two assembling stations, so that the assembling efficiency is improved, and the qualification rate is also ensured.

The invention relates to the technical field of suite machining, in particular to lathe internal and external grinding machining equipment which comprises a rack, a moving seat, an abrasive belt grinding machine, a lathe center frame, an L-shaped rod, a grinding roller and a power assembly and further comprises a mounting plate, a mounting mechanism, a driving mechanism and three supporting plates. The abrasive belt grinding machine is arranged on the moving seat, the lathe center frame is arranged above the rack and fixedly connected with the moving seat through an L-shaped rod, and the grinding roller is driven by the power assembly to rotate. The three supporting plates are used for supporting the inner wall of a sleeve part, the height position of the grinding roller is kept fixed, the grinding roller is driven to rotate through the independently-arranged power assembly, the situation that the grinding roller swings in the working process due to a lathe center frame and the gravity problem of the grinding roller is avoided, and the machining precision of the grinding roller is improved. And therefore, the grinding roller is prevented from colliding with the inner wall of the sleeve part, and the product percent of pass is effectively guaranteed.

The utility model belongs to the technical field of magnetic material sintering, and particularly relates to a kiln for sintering permanent magnetic ferrite, which comprises a sintering bin, a bin door is arranged on one side of the sintering bin, a guide plate is fixedly arranged in the sintering bin, a plurality of guide rollers are movably arranged on the guide plate, a plurality of vent holes are arranged on the guide plate, and the vent holes are communicated with the bin door. A discharging bin is fixedly arranged on the other side of the sintering bin, a material guiding inclined plate is fixedly arranged in the discharging bin, an air guiding structure is arranged at the top of the discharging bin, a heating structure is fixedly arranged at the top of the sintering bin, and a purifying assembly is arranged at the top of the sintering bin; through the arrangement of the first air guide pipe, the second air guide pipe, the first heat conduction box and the second heat conduction box, hot air acts on the top and the bottom of the permanent magnetic ferrite from the air outlet holes in the bottoms of the first heat conduction box and the second heat conduction box during sintering, the problem of traditional single-face heating is avoided, and the top face and the ground of the permanent magnetic ferrite are heated at the same time; the heating uniformity is ensured, and the sintering quality of products is improved.

The invention relates to the technical field of medium-frequency induction heating furnaces, in particular to a medium-frequency induction heating furnace body, a furnace body manufacturing method anda temperature control method. The medium-frequency induction heating furnace body comprises a furnace lining, a material channel allowing a blank to pass through is formed in the middle of the furnace lining, and an induction coil which extends in axial direction of the material channel and is spirally wound on outer side of the material channel is arranged in the furnace lining; and a pluralityof temperature measuring holes are formed in the side wall of the furnace lining in the axial direction of the furnace lining at intervals, the temperature measuring holes are formed in the radial direction of the furnace lining and penetrate through the side wall of the furnace lining, and the temperature measuring holes are located at the intervals between every two adjacent turns of coils of the induction coil. The invention further provides a manufacturing method of the medium-frequency induction heating furnace body and a temperature control method of the medium-frequency induction heating furnace. According to the furnace body, the temperature measuring holes are formed in the side wall of the furnace body for temperature measurement instead of adopting the temperature measurement mode at a discharge port so that the temperature measurement accuracy can be improved.

The high-precision riveting equipment based on visual compensation is applied to the technical field of riveting, during machining, the accumulated tolerance between a workpiece to be riveted and a target position can be obtained in a visual recognition mode, position compensation is carried out on the X axis, the Y axis and the angle, and compared with the prior art, the high-precision riveting equipment based on visual compensation has the advantages that the machining efficiency is improved; the influence of accumulated tolerance on the riveting precision is effectively eliminated, and the riveting precision and the qualified rate of workpieces are effectively guaranteed; meanwhile, in cooperation with the arrangement of the one-way offset detection unit, position detection can be carried out on each moving shaft in real time, tolerance can be conveniently found in time, the effect that shutdown compensation is carried out only when tolerance occurs is achieved, the situation that no offset tolerance occurs during regular detection compensation or corresponding compensation is not carried out in time due to the fact that offset tolerance occurs early is effectively avoided, and the working efficiency is improved. Therefore, the position compensation effect can be improved, the precision can be improved, meanwhile, the invalid shutdown compensation frequency can be reduced, and the influence of shutdown compensation on the riveting efficiency is reduced.

The invention relates to the technical field of stainless steel pipe reaming, in particular to a stainless steel pipe forming device which comprises a stainless steel pipe body and an eddy current measuring instrument used for detecting the pipe wall of the stainless steel pipe body, the eddy current measuring instrument comprises an eddy current measuring instrument body and a measuring probe, and the stainless steel pipe forming device further comprises a base, the upper end of the base is further provided with a gradient stamping and chambering mechanism for chambering the stainless steel pipe body, and a heat exchange mechanism and an auxiliary discharging mechanism are arranged between the feeding mechanism and the gradient stamping and chambering mechanism. Three stainless steel pipe bodies are stamped through the first stamping head, the second stamping head and the third stamping head which are gradually decreased in size correspondingly, gradient stamping is achieved for each stainless steel pipe body in the process, intermittent hole expanding (namely, hole diameter gradually expanding for multiple times) is adopted, the retraction condition is reduced through a small amount of deformation during punching every time, and the punching efficiency is improved. And the qualification rate of stamping and reaming is ensured.

The invention discloses an environment-friendly sewage treatment device for a textile printing and dyeing workshop, and relates to the technical field of sewage treatment.The environment-friendly sewage treatment device comprises a shell, a top cover is fixedly installed at the top of the shell, a water inlet pipe penetrates through the top of the shell and is fixedly installed on the top of the shell, a sewage draining exit is fixedly installed on the right side of the shell, and a rotating motor is arranged at the top of the top cover; a stirring rod is fixedly installed at the output end of the rotating motor, the stirring rod penetrates through and is rotatably installed on the inner wall and the outer wall of the top cover, the filter tank is fixedly installed on the inner wall of the shell, the filter screen is fixedly installed on the inner wall of the filter tank, the linear motor is arranged on the surface of the shell, and the L-shaped rod is fixedly installed on the surface of the linear motor. The linear motor moves towards the sewage draining exit to drive the L-shaped rod to move towards the sewage draining exit, so that the filtered impurities can be effectively cleaned, the situation that the sewage draining effect becomes poor due to excessive accumulation of the impurities is prevented, and the working efficiency is improved.

The invention relates to the technical field of battery production, in particular to battery cap welding equipment with a testing function, which comprises a welding table, a grabbing head, a rotating seat, an angle adjusting assembly, a direction adjusting assembly and a testing assembly. The angle of the battery cap can be adjusted according to the angle of the tab to be welded, so that the angle of the battery cap is parallel to the angle of the tab, welding is performed in a parallel state, the tab can be prevented from being bent, the bending frequency is reduced, the process of adjusting the angle of the battery cap is divided into two parts, and the welding efficiency is improved. The first part is used for adjusting the angle of the battery cover cap in the vertical direction, and the second part is used for adjusting the angle of the battery cover cap in the horizontal direction, so that 360-degree all-directional angle adjustment on the battery cover cap is realized, and the battery cover cap can be matched with a tab at any angle for use; and after welding is completed, the battery cover cap is moved to the test clamp, and the firmness of the welding position of the battery cover cap is tested, so that the qualified rate of machined products is guaranteed.

The invention belongs to the technical field of oil injection ring sealing ring assembly, particularly relates to a pressure change detection mechanism of an oil injection ring sealing ring assembly line, and solves the problem that the quality of a final product cannot be ensured as a pressure change test is not performed after the oil injection ring sealing ring is assembled. The pressure change detection mechanism of the oil injection ring sealing ring assembly line comprises a rack, a pressure change test bench and a visual detection bench are arranged on the rack, and the pressure change test bench is slidably connected to the rack and connected with a pressure test bench translation driving assembly. The visual inspection table can reciprocate between a material receiving position used for receiving the oil injection ring with the sealing ring assembled and a pressure change test position below the pressure test assembly, a transferring structure used for transferring the oil injection ring with the pressure change test completed to the visual inspection table is arranged between the visual inspection table and the material receiving position, and the visual inspection assembly is further arranged on the side of the visual inspection table. Effects of effective pressure change testing and visual inspection on the assembled oil injection ring are achieved, the automation degree is high, and the quality of a final finished product is guaranteed.

The invention discloses a large-size large-curvature TiAl alloy turbine blade high-precision numerical control machining method which comprises the following steps that TiAl alloy is poured into a metal mold, and a blade ingot is manufactured; the blade ingot is subjected to hot isostatic pressing and heat treatment; firstly, a blade profile and runner surfaces of upper and lower margin plates are machined according to a blade model, the upper margin plate, sealing teeth and the lower margin plate of the blade are continuously machined, and a root extending part is machined to a tolerance zone on a three-dimensional model to serve as a reference surface; a three-coordinate measuring machine is adopted to carry out blade profile and full-size measurement on a machined blade, and the size is manually assisted to be ground to a blade product tolerance zone. According to the method, the advantages of five-axis machine tool machining are utilized, the problems that the metallurgical quality of the large-size blade is difficult to control and manual grinding is difficult to control are solved, the consistency of products machined through the method is good, the quality is guaranteed, the efficiency and the percent of pass can be greatly improved, and the productivity is greatly improved.

The utility model discloses a mould structure for preventing generation of cold shut, which comprises an upper mould core, a lower mould core, an insert and a water cooling needle, the upper mould core and the lower mould core are combined to form a product cavity after being covered, the upper mould core is provided with an assembly area, the insert is arranged in the assembly area and comprises a block body, and the lower end of the block body extends to be provided with a characteristic part. The feature part is used for forming a product deep cavity structure; the side surface of the block body is concavely provided with a vertically-through exhaust groove, the exhaust groove and the inner wall of the assembly area form an exhaust channel, the upper end of the exhaust channel is connected with an exhaust pipeline, the upper surface of the block body is concavely provided with a cooling pipeline, the cooling pipeline extends to the feature part, and the water-cooling needle is inserted into the cooling pipeline. The insert is installed on the upper mold core to form a product deep cavity structure, the exhaust groove is formed in the insert, an exhaust channel is formed by the exhaust groove and the inner wall of the assembly area, molten aluminum is promoted to rapidly enter a vertical face, meanwhile, gas in the cavity is promoted to be exhausted, and gas entrapment is avoided.

The utility model discloses an automatic tightening system, which belongs to the technical field of automatic equipment processing and comprises a Y-axis drive, a nail feeding device, a tightening device, an X-axis drive and a Z-axis drive. The problem that in the prior art, due to the fact that the screws are manually tightened and placed, the screws are not tightened or mistakenly tightened or obliquely tightened during tightening is solved. According to the device, manual tightening in the prior art is optimized, the key point of automatic screw tightening is the placement position of screws and whether the screws are missed to be tightened, mistakenly tightened or obliquely tightened or not after being tightened, so that the screw feeding device adopted by the device supplies screws to the tightening device in an automatic screw feeding mode, and the screw feeding efficiency is improved. The screw feeding device can supply the arranged screws to the tightening device, it is guaranteed that the screws are aligned to screw holes at the correct positions during tightening, meanwhile, the tightening device conducts automatic tightening, it is guaranteed that all the screws are stressed to be the same during tightening, the qualified rate of products needing to be tightened is guaranteed, and the production cost is saved.

The invention relates to the related technical field of hatching egg disinfection, and particularly discloses a disinfectant composition for hatching egg disinfection, a disinfectant and application of the disinfectant composition and the disinfectant. The disinfectant combination comprises a first disinfectant and a second disinfectant; the first disinfectant comprises a permanganate inorganic compound; the second disinfectant comprises a quaternary ammonium salt organic compound; the weight ratio of the permanganate inorganic compound to the quaternary ammonium salt organic compound is 1: (1-2); the quaternary ammonium salt organic compound comprises a compound as shown in a formula (I) and a compound as shown in a formula (II) in a weight ratio of 1: (0.25-4). According to the disinfectant composition, the death rate of bacteria and pathogens on the surfaces of hatching eggs is increased on the premise that eggshell membranes are not damaged. # imgabs0 #

The utility model relates to the technical field of circuit board processing, in particular to a double-sided multi-layer circuit board half-hole anti-pulling copper sheet device, which comprises a circuit board main body, one side of the circuit board main body is provided with a placement mechanism, and the placement mechanism comprises a plurality of first placement blocks. Every two adjacent first placement blocks are fixedly connected through a first fastening bolt, each first placement block is provided with a blocking mechanism, each blocking mechanism comprises a first connecting block, the first placement blocks are fixedly connected with the first connecting blocks, and the first connecting blocks are fixedly connected with blocking pieces; the copper sheet on the inner wall of the half hole can be conveniently protected and shielded in the circuit board half hole machining process, so that the situation that the copper sheet is rolled inwards and even falls off is reduced, and the qualified rate of products is guaranteed.

The invention discloses a ceramic thread tooth position machining method, and belongs to the technical field of ceramic thread tooth position machining. A carborundum cutter is adopted for cutting a ceramic workpiece, and the hardness of the carborundum cutter is far higher than that of a ceramic material, so that the long service life can be maintained when the hard and brittle ceramic material is cut; meanwhile, less heat is generated in the cutting process, the dimensional precision and the surface quality of the workpiece can be kept, the micro-emulsified cutting fluid is matched for use, the micro-emulsified cutting fluid has cleaning performance and transparency, the surface state of the workpiece can be observed easily, and the working efficiency is improved. The microemulsion cutting fluid overcomes the defects that a traditional cutting fluid is prone to deterioration and poor in cleaning performance and transparency and a fully-synthetic cutting fluid is poor in lubrication, and is high in permeability, so that the microemulsion cutting fluid fully infiltrates the wall of a threaded hole to be machined to form a certain permeable emulsion layer, ceramic fiber chippings are not prone to edge breakage, the machining requirements of high-hardness and high-strength hard and brittle materials are met, and the service life of the threaded hole to be machined is prolonged. And the qualification rate of ceramic products is ensured.

The invention discloses a waste PCB (printed circuit board) recycling device, and belongs to the technical field of circuit board recycling. In order to solve the problem that an existing product is difficult to guarantee continuous processing of a circuit board, the technical scheme is that the circuit board processing device comprises a carrying frame serving as a carrier and a material conveying main pipe serving as a material conveying pipe, and processing parts used for material processing are arranged on the carrying frame in a front-back symmetry mode. According to the invention, the two treatment parts are combined with the material control mechanism and the driving mechanism to realize continuous crushing treatment on the coarsely crushed material, so that the equipment structure is optimized and the manufacturing cost of the equipment is reduced under the condition of ensuring the material crushing effect, and the time consumption of material treatment can be reduced; according to the sorting device, the winnowing mechanism and the flotation mechanism are arranged, the crushed materials are sorted during unloading, the flotation mechanism can be used for sorting the winnowed materials again, and therefore fine metal materials mingled in non-metal materials are further prevented from being screened out.

The utility model discloses a welding coaxiality tool of a stuffing mixer rack. The welding coaxiality tool comprises a movable end support, a connecting pipe, a flange plate, a middle sealing plate, a base, a herringbone square pipe and a support plate. The middle sealing plate is fixed to the right end of the base, the herringbone square pipe is arranged at the left end of the base, the support plate is fixed to the herringbone square pipe, the movable end support and the flange plate are arranged at the left end and the right end of the connecting pipe respectively in a sleeving mode, the movable end support is placed on the support plate, a front mounting hole and a rear mounting hole are formed in a bottom plate of the movable end support, and the support plate is provided with a front mounting hole and a rear mounting hole. The movable end support is connected with the bracket plate; the right mounting section of the flange plate is connected with the positioning hole of the middle sealing plate, and the left connecting section is connected with the middle sealing plate through a screw. According to the welding coaxiality tool, on the premise that it is guaranteed that the center of the support plate on the left side and the center of the middle sealing plate on the right side are coaxial, the position between the herringbone square pipe and the base is welded and determined, and it is guaranteed that the center of the tipping support and the center of the middle sealing plate are coaxial.

The application discloses a die-casting device for window sliding wheel machining, which comprises an operating machine table arranged on the ground, a die-casting base fixedly arranged at the middle of the bottom of the inner cavity of the operating machine table, and a limiting guide rod fixedly arranged at the top of each corner of the die-casting base, and belongs to the technical field of die-casting. The die-casting device for window sliding wheel machining is characterized in that the upper die, the hydraulic rod, the lower die mechanism and the electric telescopic rod are matched to realize efficient and stable die-casting. During die-casting, the structures are cooperatively driven to automatically circulate and flow the cooling liquid, the cooling and shaping are rapidly completed, the processing efficiency is effectively improved, the circulating cooling liquid can drive the inside of the lower die mechanism to generate high-frequency oscillation, the internal bubble defects of the casting are eliminated, the product structural strength and surface quality are improved, meanwhile, the cooling liquid is uniformly disturbed in the die to improve the heat exchange efficiency, the temperature of the cavity is rapidly and evenly balanced, the deformation and cracking of the casting are prevented, the forming precision and product qualification rate are ensured, and the overall structure is simple, stable and reliable in operation.

The utility model relates to the technical field of photovoltaic equipment, and discloses an efficient embedded bolt type photovoltaic array support stand column welding positioning device, a photovoltaic array support is provided with a bottom plate and a stand column, a supporting frame is fixedly connected with a positioning plate, and the bottom plate is perpendicular to the horizontal plane; the bottom plate is fixedly connected with a positioning pin for limiting the movement of the bottom plate; the supporting plate is fixedly connected with the supporting frame, and the supporting plate is parallel to the horizontal plane; all the telescopic cylinders are fixedly connected with the supporting frame, and the telescopic directions of all the telescopic cylinders face the center position of the positioning plate; a clamping plate used for clamping a rib plate is fixedly arranged at the telescopic end of the telescopic cylinder. And the labor intensity of workers is reduced, and the welding efficiency is improved. A worker basically does not need to adjust the welding position of the rib plate, the consistency of the welding position is improved, and the qualified rate of products is guaranteed.

The application discloses a rotary variable integrated forming structure, which comprises a power base, a die base fixedly arranged above the power base, a sealing base arranged on the die base and an ejection push rod arranged below the power base, a rotary frame cylinder is rotationally arranged above the power base, a rotary base is arranged above the rotary frame cylinder, a plurality of arc limiters are arranged in an annular array on the rotary base, a positioning disc is arranged on the inner side of the die base and above the rotary base, a plurality of straight limiters are arranged in an annular array on the positioning disc, tooth blocks are slidably arranged in the straight limiters, mold teeth are arranged on the tooth blocks, the bottom of the tooth blocks is slidably arranged in the arc limiters, an upper mold disc is arranged below the sealing base, a lower mold disc is arranged at the end of the ejection push rod and a plurality of fixing blocks are arranged above the lower mold disc, after injection molding is completed, the upper mold disc is first separated, then the lower mold disc is rotated and moved upwards, and the injection molded part can be separated from the mold teeth, so that the problem that the injection molded part is not easy to separate during the integrated forming in the injection molding process is solved.

The application discloses a kind of inductor full-automatic production device, including rack, the shell conveying assembly for conveying is equipped on the rack, along the direction of movement of the conveying assembly, the capacitor loading assembly for loading capacitor band is sequentially equipped on the rack, the resistance loading assembly for loading resistance band and the IC band loading assembly for loading IC band are sequentially equipped on the rack, the welding assembly for welding the capacitor band, resistance band and IC band on the shell is further equipped on the rack.The beneficial effects of the application mainly include:high degree of automation, realize full-automatic capacitor, resistance and IC band cutting bending forming and welding, without manual operation throughout, so as to improve processing efficiency when mass production, at the same time, the technical effects of reducing labor cost, processing cost and labor intensity can make enterprises effectively utilize human resources, and collection is convenient.