151results about How to "Not to be scratched" patented technology

The invention relates to the technical field of digitally-controlled wire drawing machines, in particular to a digitally-controlled wire drawing machine and a control method thereof. The digitally-controlled wire drawing machine comprises a middle guide wheel, a steering guide wheel, a tension sensor for a branched guide wheel and a take-up reel speed-measuring device. A capstan, the branched guide wheel and the middle guide wheel are positioned on a first routing plane; the steering guide wheel and a winding guide wheel are positioned on a second routing plane; and the first routing plane is perpendicular to the second routing plane. The reciprocating linear movement of the winding guide wheel is left-to-right movement on the second routing plane, and the winding guide wheel is positioned at the lower left of the steering guide wheel. A rotating shaft of a take-up reel is parallel to the second routing plane. In addition, in the aspect of the control of the take-up tension, the tension detection structure and the control method are changed, so that the digitally-controlled wire drawing machine is more stable, reliable and easier to operate and maintain. A ceramic wave eyelet is removed, so that the wire is not scratched.

The invention provides an active organic light-emitting diode (OLED) display device and a manufacturing method thereof. The active OLED display device comprises a display area and a non-display area. The non-display area comprises a negative electrode power line, wherein an insulating layer is arranged on the negative electrode power line, a planarization layer further covers the insulating layer and extends to and covers the negative electrode power line, and a gradient included angle alpha formed by the planarization layer and the contact surface of the negative electrode power line is smaller than a gradient included angle beta formed by the insulating layer and the contact surface of the negative electrode power line, so transition is flatly and slowly formed from a negative electrode to the negative electrode power line, smoothness from the negative electrode to the contact area of the negative electrode power line is increased, and contact resistance is effectively reduced. The planarization layer covers a non-pixel area of a positive electrode, and the thickness of the planarization layer is larger than or equal to the sum of the thickness of the positive electrode, the thickness of an organic functional layer and the thickness of the negative electrode, so a pixel area can be protected against scratching, the rate of finished products of the display device is effectively guaranteed, a manufacturing process is simple, and the process is easy to achieve.

The invention discloses a UV (ultraviolet) curing ink and application thereof. The UV curing ink comprises the following components in percentage by weight: 30-40% of high-functionality polyurethane acrylate, 10-20% of dual-functionality polyurethane acrylic resin, 5-10% of amine-modified polyether acrylate prepolymer, 5-10% of thermoplastic acrylic resin, 10-15% of 1,6-hexanediol diacrylate, 2-4% of photosensitizer, 1-2% of nano aluminum oxide dispersion and 15-20% of filler. The UV photocuring ink is used for temporary protection in the glass surface working process; and after the UV photocuring ink is subjected to UV photocuring, a tough ink layer can be formed on the glass surface, thereby effectively ensuring the glass not to be scratched in the surface working process. After finishing the glass working, the glass can be soaked in 5% sulfuric acid solution, which is heated to 50 DEG C, to remove the UV curing ink on the glass surface without influencing the glass.

The invention relates to a low furnace pressure convective continuous roller hearth type annealing furnace, which comprises a charging magazine, a heating chamber, a strong cooling chamber and a roller way driving system, wherein an internal circulation draught fan and a plurality of heating elements are arranged in the heating chamber, both an air inlet and an air outlet of the internal circulation draught fan are located in a furnace body of the heating chamber, the air inlet is vertical to the plane of a roller way, the air outlet is parallel to the plane of the roller way, an external circulation draught fan, a heat exchanger and a baffle plate are arranged in the strong cooling chamber, the baffle plate is located in the middle portion of the furnace body of the strong cooling chamber, the roller way is located between the heat exchanger and the baffle plate, an upper opening and a lower opening are respectively opened on the top and the bottom of the furnace body of the strong cooling chamber, the air inlet of the external circulation draught fan is communicated with the upper opening, the air outlet of the external circulation draught fan is connected with the lower opening through a connecting pipe which is arranged outside the strong cooling chamber, the complex number of nozzles are evenly distributed on the baffle plate, and the upper portion and the lower portion of the furnace body of the strong cooling chamber are communicated only through a complex number of nozzles. The annealing furnace of the invention has the advantages of even heating, rapid cooling, high efficiency and the like.

The invention discloses a wind generation set impeller assembling device which is characterized by comprising an installation seat (1) used for positioning and supporting a hub (5), and multiple impeller installing devices used for installing an impeller (6) and the hub (5) in an aligned mode. The impeller installing devices are respectively connected with the installation seat (1) so as to form an impeller assembling platform. The installation seat (1) is provided with a plurality of connection portions (10) which are connected with the impeller installing devices respectively. When the impeller is assembled, the hub (5) is arranged on the installation seat (1), each variable pitch bearing of the hub (5) corresponds to one impeller installing device, the impeller (6) is placed on one corresponding impeller installing device and moved to one corresponding variable pitch bearing of the hub (5), so that the impeller and the hub are connected. According to the wind generation set impeller assembling device, the impeller and the hub can be fast aligned and positioned, installing the impeller is fast, the structural design is simple, and the wind generation set impeller assembling device is convenient to use and applicable.

The invention discloses a manufacturing method of an invisible correcting device and based on numerical control machining. The manufacturing method includes: constructing original three-dimensional tooth jaw data; building tooth jaw three-dimensional models at 5-80 stages in total in the correcting process; using epoxy resin as a raw material; utilizing a numerical control machining method to machine the tooth jaw three-dimensional models to be solid tooth jaw models respectively; utilizing the solid tooth jaw models to press to form the invisible correcting device, shearing, polishing and then delivering the invisible correcting device to a patient to use. Through the method, the invisible correcting device manufactured reaches 0.005mm in accuracy, so that correcting effect is improved; light-cured resin which is expensive is not needed, and the raw material is recyclable, so that production cost is saved and the manufacturing method has a wide application prospect.

The invention proposes a gap measurement tool and a gap qualified rate measurement method, which are well adapted to the batch-production internal and external decorations of a cab of a heavy truck. The measurement tool is a measuring ruler with a trapezoid structure. The surface of the measuring ruler is marked with standard scale, a gap lower limit deviation graduated line and a gap upper limit deviation graduated line. The measurement method can achieve the quick, convenient and accurate measurement of the gaps of the batch-production internal and external decorations of the cab of the heavy truck at lower cost through a simple structure, and can accurately determine at the highest efficiency whether the gaps of the internal and external decorations of the cab are qualified or not, greatly improves the detection efficiency of the internal and external decorations of the cab, and reduces the cost. Meanwhile, the measurement tool and the measurement method can be widely popularized and applied to the measurement of gaps of other products besides the internal and external decorations of the cab, and are good in market popularization and application prospect.

The invention discloses a quick-change grabbing fixture type fuel rod remote grabbing tool. The tool comprises a tool bar, a grabbing fixture A, and a grabbing fixture B. According to the invention, a single tool can be provided with various fuel rod grabbing fixtures, such that the fuel rod can be grabbed on a side and a non-end part. Also, the clamping force for grabbing can be adjusted, such that the surface of the fuel rod is prevented from being scratched when grabbed. With the tool bar, a remote operation distance is provided. The tool bar is divided into an inner layer and an outer layer. When a grabbing fixture is assembled, first, an internal joint of the grabbing fixture A or the grabbing fixture B is assembled through threads; then the tool bar is connected to an outer pipe of the grabbing fixture through a connection sleeve and bolts. The grabbing fixture A is a conical ferrule type grabbing fixture. Through the interaction of an inner cone and an outer cone, the elastic grabbing fixture is tightened, and clamping forces are provided. The grabbing fixture B is a clamp-plate type grabbing fixture. Through a conical draw rod, the grabbing fixture is tightened, and the fuel rod can be tightly clamped.

The invention provides a high-voltage discharge unit in an air purifier. The high-voltage discharge unit comprises a plurality of carbon fiber bundles which are connected with a first potential, a first pole plate and a second pole plate, wherein the first pole plate and the second pole plate are connected with a second potential. The carbon fiber bundles are located between the first pole plate and the second pole plate. The carbon fiber bundles comprise the first carbon fiber bundle and the second carbon fiber bundle, wherein the first carbon fiber bundle deflects towards the first pole plate, and the second carbon fiber bundle deflects towards the second pole plate. According to the high-voltage discharge unit and the air purifier with the high-voltage discharge unit, the discharge efficiency can be improved, it is ensured that a user cannot be scratched during cleaning, a discharge structure can also be prevented from being broken, and the reliability of products is improved.

The invention discloses an efficient solar cellphone charging jacket comprising a jacket body (1), a solar cell panel (2), an integrated circuit (3) and a cellphone charging port (5), wherein the solar cell panel (2) is embedded on the jacket body (1) for converting solar energy into electric energy, and the integrated circuit is used for regulating voltage and stabilizing current to charge a cellphone sleeved by the jacket body (1). The efficient solar cellphone charging jacket disclosed by the invention has high charging efficiency, thereby capable of fully charging the cellphone within a short period; and back electrode connection technology is adopted, so that the outline is attractive and elegant. Furthermore, an efficient bent solar cell is combined on the cellphone jacket to both protect the cellphone shell from being scratched and provide continuous power supply to the cellphone through the efficient solar cell panel so as to guarantee long time standby and use of the cellphone.

The invention relates to a method for welding a non-coating stainless steel plate in a laser mode. An upper layer panel and a lower layer panel are stacked up, a layer of protecting film is arranged on the exposed surface of the lower layer panel, and the upper layer panel and the lower layer panel are connected by enabling a laser welding light beam to penetrate through the protecting film to reach a certain depth of the lower layer panel. On the premise that the assembling precision meets the laser welding requirements, the welding technology methods are selected in the aspects of controlling the appearance quality and guaranteeing the connector connecting strength according to the product requirements for a railway vehicle non-coating stainless steel vehicle body and the technology characteristics, and a certain welding width and a certain welding depth are controlled by controlling the welding technology parameters such as welding power and welding speed. The welding joint cannot be oxidized and the welding heat can be more centralized by adopting the special technologies of welding the exposed wall plate provided with the protecting film and placing an aluminum alloy base plate on the lower surface of a workpiece, the strength of the welding joint is guaranteed, the back face of the exposed welding joint cannot deform obviously, and the color of the back face of the exposed welding joint cannot change obviously.

The invention belongs to the technical field of tools, in particular to a metal chip safe cleaning device, and aims at providing the metal chip safe cleaning device which protects workers from being scratched and is simple to operate. By means of the technical scheme, the metal chip safe cleaning device comprises a shell body, a connecting rod, an annular groove, a magnet ring and a blocking plate. The annular groove is fixed at one end of the shell body, the connecting rod is arranged in the shell body and in coaxial connection with the shell body, the length of the connecting rod is larger than that of the shell body, one end of the connecting rod is fixed on the blocking plate, and the magnet ring is arranged in the annular groove.

The invention discloses a feeding device, and relates to the field of auxiliary machining. The feeding device comprises a workbench, a motor, a rotating shaft connected with the motor, and a supporting disc connected with the rotating shaft and used for a coil stock to be placed. The end, close to the coil stock, of the workbench is an inclined face, and the end, far away from the coil stock, of the workbench is horizontally arranged. A straightening mechanism, a conveying mechanism, a front clamping head, a rotation cutter and a rear clamping head are sequentially arranged at the horizontal position of the workbench. The supporting disc is of a cylindrical structure with the axis being horizontal. The circle center of the supporting disc is detachably connected with a cam shaft. The cam shaft is sequentially provided with a first cam and a second cam which are provided with a first lever and a second lever respectively. A forklift body is arranged between the first lever and the conveying mechanism and can shift the conveying mechanism to move left and right according to the movement of the first lever. The second lever is connected with the rear clamping head. The feeding device is simple in structure and convenient to operate.

The invention discloses a special polishing device for jade engraved products. The special polishing device comprises a base, a mounting base and a fixed base; two metal slide rods, vertically placed,are welded at the top end of the base; limiting rings are welded on the side walls of the two metal slide rods; spring pieces sleeve the side walls, near the top ends of the limiting rings, of the two metal slide rods; the same slide base sleeves the side walls, near the top ends of the spring pieces, of the two metal slide rods; a motor is clamped in the middle position of the side wall of the slide base; a polishing brush is fixed on an output shaft of the motor through a bolt; the same metal plate is fixed at the top ends of the two metal slide rods through bolts; a slide block is arrangedat the bottom end of the mounting base; a chute matched with the slide block in specification is formed in the outer wall of the top end of the base; the slide block is inserted in the chute; and thefixed base is of a disc structure. The special polishing device can be convenient to operate, improves the operation comfort, is more thorough in polishing, improves the product quality, improves theefficiency, and reduces the reject ratio.

The invention relates to a device for detecting and conveying a plurality of materials, which comprises an adjusting rod, a connecting plate, a long spring, a fixed plate, a proximity switch, a positioning screw, a nut, an adjusting plate, a roller, a positioning plate, a guide component, an adjusting screw, an adjusting nut, a seat, an elastic mechanism, a connecting shaft and a locking nut; andthe working method comprises the following steps of: adjusting the up-and-down position of the roller; adjusting the detection distance of a detecting electric eye and the upper plane of the connecting shaft; adjusting the height of the positioning screw; enabling materials to pass successfully when the detection distance of the detecting electric eye of the proximity switch and the upper plane of the connecting shaft is within the range of a set value; and sending out a signal when the detection distance of the detecting electric eye of the proximity switch and the upper plane of the connecting shaft is smaller than a set numerical value, and stopping conveying the materials. The invention has the following advantages that: parts have simple structure and are easy to process; the detection sensitivity is high; the adjustment is convenient, and the operation is easy; the surfaces of the processing materials are protected to successfully pass through detection without being scratched; and the detection range of the thickness of the processing materials is wider.

The invention discloses an oropharyngeal airway with an air source joint, which is an integrated structure composed of a flat strip-shaped airway with a flange and an air source joint located on the top of the flange, wherein the airway is composed of a straight pipe section It is composed of a curved pipe section and a flange on the top of the straight pipe section. There are grooves on both sides of the ventilation cavity of the air channel; small holes are provided on both sides of the flange on the top of the straight pipe section; the air source joint is 15mm from the upper part. The conical joint and the lower intubation tube are formed, and the lower intubation tube is inserted and fixed in the straight pipe section of the airway; the opening width of the groove is smaller than the bottom width; the bottom end of the curved pipe section is an arc-shaped end. Beneficial effect: the side wall of the ventilation cavity can support the straight pipe section, so that the product has stronger anti-occlusion force. The gas source connector can be directly connected with the connector of the extracorporeal ventilator and the connector of the oxygen delivery tube for oxygen delivery; the sputum suction tube and the thin tubular medical consumables of the fiberoptic bronchoscope can be inserted into the throat of the patient through the groove. Secure the snorkel with straps threaded through the two small holes in the flange.

The invention discloses an LED surface light source, which comprises a substrate and a plurality of LED chips installed on the substrate. It is composed of two discontinuous glue blocks, each piece of glue is covered with more than one LED chip, and there is an encapsulation layer that continuously covers the first glue layer outside the first glue layer. The LED surface light source has the advantage of long service life.

The invention discloses a metal paint surface crystal-plated material. The metal paint surface crystal-plated material is prepared from the following components in parts by weight: 35 to 45 parts of organic silicon resin, 0.1 to 0.2 part of amino silane, 53 to 63 parts of an organic solvent, 0.3 to 0.5 part of a fluorine-containing surfactant, 0.2 to 0.3 part of an ultraviolet light absorber, 0.2to 0.3 part of polydimethylsiloxane, 0.001 to 0.005 part of a catalyst and 0.1 to 0.2 part of isocyanate. The metal paint surface crystal-plated material disclosed by the invention is a polymer whichtakes repeated Si-O bonds as a main chain and of which silicon atoms are directly connected with organic groups, high-temperature solidification in a baking room is not required, the metal paint surface crystal-plated material can be solidified into a crystal glass crystal-plated layer which takes SiO2 as a main component just by generating a chemical reaction-crystallization with water in air, and the metal paint surface crystal-plated material is very good in yellowing resistance, hardness, hydrophobicity, acid-base resistance and the like. Meanwhile, the invention provides a preparation method of the metal paint surface crystal-plated material.

The invention discloses a glass placement rack. According to the technical scheme essential points, the glass placement rack comprises a bottom frame, at least two supporting rods, leaning rods and a cross rail, the supporting rods are arranged on the bottom frame in a spaced mode, one end of each supporting rod is warped upwards, the lower ends of the leaning rods are connected to the lower ends of the supporting rods and inclined in the direction away from the supporting rods, the cross rail is arranged on the upper ends of the leaning rods and fixedly connected with the leaning rods in sequence, an included angle at 90-100 degrees exists between the supporting rods and the leaning rods, the side, away from the leaning rods, of the bottom frame is provided with a plurality of extrusion mechanisms at intervals, and the inclination angle of the face, facing the leaning rods, of the extrusion mechanisms is the same as that of the leaning rods. The problems that an existing glass placement rack is likely to swing when hoisted in air, and glass is likely to fall down once the inclination angle is too large are solved.

The invention discloses a universal clamp for ring welding of a lithium battery sealing cover for a new energy automobile. The universal clamp for the ring welding of the lithium battery sealing coverfor the new energy automobile comprises a bidirectional screw rod and two side fixing plates which are arranged in parallel, wherein bearings are arranged on the inner sides of the side fixing plates, a guide rod is further arranged between the side fixing plates, a fixing base is fixed in the middle of the guide rod, a connecting rod connected in a sliding mode is arranged at the upper end of the fixing base, a bottom plate is arranged at the upper end of the connecting rod, and sliding bases are arranged at the two ends of the bidirectional screw rod; and a supporting plate is arranged at the top of the sliding bases, a sliding rail and a push rod motor are arranged on the supporting plate, sliding blocks are arranged on the sliding rail, circular grooves are formed in the side faces ofthe sliding blocks, sliding rods are arranged in the circular grooves, identification rings are arranged on the surfaces of the sliding rods, springs are arranged at one ends of the sliding rods, oneends of the springs are fixed at the bottoms of the circular grooves, and the other ends of the sliding rods are provided with clamping blocks which are symmetric about the center of the bidirectional screw rod. The device is suitable for fixing different lithium batteries and is high in universality, the manufacturing cost of the clamp is reduced, the clamping force of the lithium battery is controlled by using the springs, so that the clamping force of the lithium battery can be kept in a proper interval, and a battery shell is effectively protected.