60results about How to "Solve unqualified" patented technology

The invention discloses a high-strength high-toughness steel plate. The steel comprises the following chemical components in percentage by weight: 0.032-0.11% of C, 0.10-0.26% of Si, 1.51-1.80% of Mn, 0.03-0.06% of Nb, 0.012-0.020% of Ti, at most 0.052% of V, at most 0.20% of Mo, at most 0.40% of Ni, at most 0.30% of Cr, at most 0.15% of Cu, at most 0.018% of P, at most 0.0020% of S, and the balance of Fe and inevitable impurities. The invention also discloses a preparation method of the high-strength high-toughness steel plate, which comprises the following steps: 1) blank casting; 2) heating; 3) rolling; 4) cooling; 5) heat treatment; and 6) air cooling. The method has the advantages of simple hot rolling technique, low heat treatment temperature, short holding time, low energy consumption and lower production cost, obtains the product with higher quality, and enhances the yield.

The embodiment of the invention discloses photovoltaic glass and a manufacturing method thereof, as well as a photovoltaic module comprising the photovoltaic glass. The photovoltaic glass is used for receiving sunlight irradiation in the photovoltaic module comprising the photovoltaic glass and comprises a glass substrate and a first adhesive layer positioned on the surface of the glass substrate, wherein the glass substrate and the first adhesive layer are of an integrated structure; the first adhesive layer has thermoplasticity and viscousness. Therefore, the photovoltaic glass disclosed by the embodiment of the invention is of an integrated structure, namely, the photovoltaic glass directly produced and manufactured in the same workshop in the same factory, and thus the problem that foreign matters are introduced in a laying process of the glass substrate and an EVA (Ethylene Vinyl Acetate) adhesive layer in the prior art is avoided, the problem that the photovoltaic module is unqualified when the foreign matters are introduced between the glass substrate and the EVA adhesive layer is solved, and the qualified rate of the photovoltaic assembly comprising the photovoltaic glass is increased.

The invention relates to an ejection mechanism of a fixed die push plate, which comprises a fixed die plate. Two corresponding installation grooves are arranged on the upper face and the lower face of the fixed die plate, an ejector pin retaining plate and a push plate are installed in the installation groove on the upper face of the fixed die plate from bottom to top, and three T-shaped installation holes are installed on the upper face of the push plate at equal intervals. A gasket and a plurality of belleville springs are padded on T-shaped shoulders of the installation holes from bottom to top, T-shaped guide bars are sleeved on the gasket and the belleville springs, and the lower portions of the heads of the guide bars protrude out to form small circular truncated cones which are in clearance fit with the T-shaped shoulders of the installation holes. The lower face of the push plate between every two installation holes abuts against an ejector pin. A fixed inner die is arranged in the installation groove on the lower face of the fixed die plate, release rods are installed on the left side and the right side of the fixed inner die, and the heads of the release rods abut against two sides of the lower face of the push plate. The ejection mechanism adopts the belleville springs to serve as pushing power producers, achieves fixed die auxiliary pushing functions during die sinking, and is ingenious in structure, even in pushing force distribution, and capable of improving force distribution quality of products.

The invention provides a high-temperature heating furnace temperature sensor distribution device and a metering calibration method thereof. The temperature sensor distribution device is arranged, thedistribution requirements of the number of sensors and temperature measurement positions are met through the distribution device, a post-positioned temperature measurement mode is used, and an electric lead of a temperature sensor penetrates out of a rear temperature measuring hole of a high-temperature heating furnace to be detected, so that damage to the electric lead of the temperature sensor when a furnace door is closed in a front temperature measuring mode is avoided, and before the high-temperature heating furnace is calibrated, a temperature control thermocouple and a temperature controller of the high-temperature heating furnace are calibrated to improve the accuracy of a calibration result.

The invention discloses a polygonal cutting tool which comprises a bottom plate, wherein a first chute is formed in the left side of the top of the bottom plate; a slide block is slidably locked in the first chute; a top plate is fixedly connected to the top of the slide block; a nut is fixedly connected above the front surface of a second bracket; a threaded rod is in threaded connection in the nut; and a second bearing is fixedly connected to the bottom of the outer wall of the threaded rod. The polygonal cutting tool solves the problem that a workpiece is repeatedly fixed in a conventionalpolygonal cutting process, solves the problem that the polygonal workpieces which are cut are unqualified as the angles are inaccurate and improves the workpiece percent of pass of a plant. The polygonal cutting tool fully can meet the demand of people on the polygonal cutting tool which is convenient to use and adjust and accurate to adjust the cutting angles, avoids material waste, and is simpleto operate at present.

The invention relates to a tape device and a mounting device thereof. The tape device comprises a material stripping mechanism and a turnover bracket for mounting the material stripping mechanism, wherein the turnover bracket is rotatably connected with a shaft of the material stripping mechanism. By adding the turnover bracket, the stripping mechanism can realize 180-degree turning, that is, theconventional top-down mounting machine can be satisfied, and the purpose of mounting in different directions can also be satisfied, so that the application range of the stripping structure is wider; the mounting device comprises a mounting device, a feeding device, and the tape device, wherein the tape device, the mounting device and the feeding device are mounted and fixed on the mounting bracket. The method adopts a bottom-to-top mounting mechanism to carry out the mounting, and solves the problem that dust or impurities are easily dropped on the products required to be mounted by the conventional top-to-bottom mounting machine.

The invention relates to the field of hollow shaft machining, and discloses a finish-grinding treatment method for preventing hollow shaft center deformation. The method comprises the following stepsof (1) heat treatment, wherein heat treatment is conducted on a hollow shaft formed by rough machining; (2), central hole correction, wherein the hollow shaft subjected to heat treatment in the step (1) is mounted on a finish-grinding treatment device, and finish-turning is conducted on central holes in the two ends of the hollow shaft to enable the central holes to be circular; and (3) outer circle finish-grinding, wherein the hollow shaft treated in the step (2) is mounted on a grinding machine, tips on the grinding machine are inserted into the two ends of the hollow shaft respectively, andthen a grinding wheel on the grinding machine is started to conduct finish-grinding on the outer circle of the hollow shaft. By means of the method, the problem that the cylindricity of the outer circle of the hollow shaft is poor due to deformation of the hollow shaft after heat treatment can be solved.

The invention relates to a die mechanism capable of realizing product formation by kiss-off through angle lifters and extraction of the angle lifters from undercuts. The die mechanism comprises a fixed die and a moving die, wherein a fixed clamping plate (15), a support plate (265) and a fixed mold plate (185) are tightly connected by screws; guide sliding holes (195) are formed in the fixed mold plate (185); the fixed die angle lifters (65) are mounted in the guide sliding holes (195); the t positions of the fixed die angle lifters (65) are in contact with the m positions of a moving mold plate (165) so as to form penetration holes of the product b at f positions; the s positions of the fixed die angle lifters (65) are matched with the undercuts e in the product b; a limiting screw (215) is connected to the rear end of each of the fixed die angle lifters (65); the limiting screws (215) and springs (55) are mounted in and sleeved with the guide sliding holes (195); one end of each of the springs (55) is propped against a pressing plate (205), and the other ends of the springs are propped against the tail parts of the fixed die angle lifters (65).

The invention discloses a punching die having a function of fast positioning a workpiece. The punching die comprises a lower die seat, a vertical rod, a die demounting plate and a first compression spring. The vertical rod is connected in the lower die seat in a sleeved manner. The die demounting plate is fixedly connected to the top end of the vertical rod. The first compression spring is connected to the outer wall of the vertical rod in a sleeving manner. The upper end and the lower end of the first compression spring are attached to the die demounting plate and the lower die seat correspondingly. Positioning mechanisms are fixedly connected to the left end and the right end of the lower die seat. By means of the punching die having the function of fast positioning the workpiece, due tothe cooperative use of a torsion spring, a top seat, a rack groove plate and the like, the problem that when an existing punching is used, the workpiece is not accurately installed, and a punched product is not qualified is solved; and due to the cooperative use of a transverse rod, a second compression spring, a baffle and the like, the material change time is saved, and therefore the productionefficiency is improved, and operation is easy.

The invention discloses a method for machining a turbine rotor with a special-shaped center hole. The method for machining the turbine rotor with the special-shaped center hole comprises the followingsteps that a turbine disk and a turbine shaft are welded; heat treatment is conducted; a center hole is drilled, and the turbine disk outer circle and end face margin are removed; semi-finish turningis conducted on end faces of the turbine end of the turbine disk and the special-shaped center hole; turning is conducted on a technological choke plug; semi-finish turning is conducted on end facesof the air-compressing end the turbine disk and the outer circle and end faces of the turbine shaft and the outer circle; a turbine shaft inner hole is drilled; turning is conducted on a turbine shafttool withdrawal groove, chamfering and a shaft stair inner hole; heat treatment is conducted; the technological choke plug and the turbine disk are welded and fixed; the center hole is turned in thetechnological choke plug, and two end faces of the big outer circle of the turbine disk are turned; the big outer circle of the turbine disk and the outer circle M of the turbine shaft are ground; a turbine shaft threaded hole, a stair inner hole and taper are turned, and tapping is conducted; the big outer circle of the turbine disk and end faces, the outer circle of the turbine shaft and end faces, the small outer circle of the turbine disk and the turbine disk D face are ground; an air-sealing groove is turned; and the technological choke plug is removed.

The invention relates to the technical field of solar cells, and particularly discloses a winding and plating removing method for a TOPCon cell and a preparation method of the TOPCon cell. The methodcomprises the following steps: manufacturing a water film on the back surface of a phosphorus-doped silicon wafer, and removing phosphorus-doped layers wound and plated on the front surface and the side surface by using a hydrofluoric acid solution; soaking the obtained silicon wafer in a KOH solution or NaOH solution containing an additive, removing polycrystalline silicon on the front surface ofthe silicon wafer, taking out the silicon wafer, and washing with water; placing the obtained silicon wafer in a KOH or NaOH and H2O2 mixed solution to be soaked and then placing the silicon wafer ina hydrochloric acid solution to be soaked after washing, taking out the silicon wafer to be washed, completing the soaking treatment in a corresponding reaction tank, and arranging two sets of circulating bubbling systems in the reaction tank. According to the winding-plating-removing method provided by the invention, the winding plating phenomenon of the TOPCon battery can be effectively solved,the excellent rate of products is ensured, the appearance problem and EL disqualification problem caused by winding plating are solved, and the battery conversion efficiency is improved.

The invention discloses a pressing device of an engine flange bearing bush. The pressing device comprises a base, and a handle taking the shape of a Chinese character Ji, wherein the two sides of the handle are respectively fixed at the two sides of the top surface of the base through first bolts; extending ends, on the bottom surface of the base, of the first bolts are respectively fixed with a short pin and a long pin; a first opening groove is formed in one end of a bracket; the other end of the bracket is respectively fixed on the top surface and the bottom surface of the base through a second bolt and a guide block; a pressing rod is L-shaped; a middle fulcrum of the pressing rod is hinged with the bracket through a first pin shaft to form a lever structure; a second opening groove is formed in one end of a pull rod for connecting with the lower end of the pressing rod at one side of the middle fulcrum of the pressing rod through a second pin shaft; and a pressing plate and a pressing block are fixed at the other end of the pull rod through third bolts. The pressing device can reduce the influence of human factors, and improves the pressing quality and efficiency.

The invention discloses a double hydraulic internal mixer. A rack is arranged on a rack base; a first hydraulic cylinder and a second hydraulic cylinder are arranged on the rack; position rods of the first hydraulic cylinder and the second hydraulic cylinder are connected with a top peg; a piston rod guiding device is arranged in the middle of the rack; the upper part of a piston rod is connected with the top peg; the lower part of the piston rod is connected with the piston rod guiding device; supporting seats are arranged on the rack base; a rotor is arranged on the supporting seats and is connected with a mixing mechanism; and the mixing mechanism is connected with a driving mechanism through a speed ratio mechanism. According to the double hydraulic internal mixer disclosed by the invention, the stability is good; the pressure acting on materials is uniform; due to the adoption of double hydraulic design, the problem of oil leakage in the prior art is solved; by adoption of a triangular design, the top peg has the stability; a rack guiding sleeve adopts a double sealing intermediate oil channel design, so that unnecessary wear of the piston rods when the piston rods vertically move due to dust leakage, and dust left on the piston rods and the like is avoided, and the service life of the piston rods is prolonged; and a top peg hydraulic mechanism separately adopts bolts for connecting and mounting.

The invention discloses a pretreatment sterilization device for goose meat processing, which comprises a box body, the top of the box body is provided with a feed chute, the top of the box body is provided with a feed channel located at the top of the feed chute, the bottom of the box body is provided with a discharge chute, the discharge chute and the feed chute are located at diagonal positions of the top and the bottom of the box body, a main rotating roller and driven rollers are assembled on the inner side of the box body, the distance between the main rotating roller and each driven roller is the same, and a chain box sleeved with the main rotating roller and each driven roller is fixedly installed on the outer wall of the box body. According to the pretreatment sterilization device for goose meat processing, due to the arrangement of an ultraviolet lamp panel on the inner side of the box body, a power source can be provided for the ultraviolet lamp panel through the power box to enable the ultraviolet lamp panel to emit light, and goose meat on the tops of the driven rollers and the main rotating roller can be efficiently sterilized in cooperation with different irradiation angles of the ultraviolet lamp panel, meanwhile, a steam generator is arranged at the bottom of the box body, and the goose meat can be efficiently sterilized in cooperation with a temperature detector and the ultraviolet lamp panel.

A system for recycling condensate of an extraction torch tank comprises the extraction torch tank, a wet solvent tank, a torch tank condensate pump, a torch tank condensate pipeline, an extraction solvent circulating pipeline, a lean solvent pump, an extraction distilling tower, an extraction distilling tower reboiler, a non-aromatic steam pipeline and a non-aromatic distilling tower; the wet solvent tank is connected to the extraction torch tank, the extraction torch tank is connected to the torch tank condensate pump through a pipeline, the torch tank condensate pump is connected to the extraction solvent circulating pipeline through the torch tank condensate pipeline, one end of the extraction solvent circulating pipeline is connected to the lean solvent pump, the other end of the extraction solvent circulating pipeline is connected to the extraction distilling tower, the top of the extraction distilling tower is connected to the non-aromatic distilling tower through the non-aromatic gas pipeline, and the lower portion of the extraction distilling tower is connected to the extraction distilling tower reboiler. The problem is solved that mixed aromatic products are easily unqualified since condensate in the extraction torch tank is recycled by being discharged to an underground solvent tank, and the non-aromatic content of extraction mixed aromatic products is increased.