52results about How to "Prevent heat deformation" patented technology

The invention discloses a method for manufacturing a medium and high-voltage anode aluminum foil for an aluminum electrolytic capacitor, which sequentially comprises the following steps of: 1) pretreating an optical foil; 2) putting the optical foil into acid solution in a ratio of chloride ion to sulfate ion of 5-15:1, then applying an alternating current with the current density of 60 to 100mA/cm<2> to the optical foil for primary corroding and hole forming, then putting the optical foil into acid solution in the ratio of the chloride ion to the sulfate ion of 1:9.5-16, and then applying a direct current with the current density of 250 to 300mA/cm<2> to the optical foil for primary corroding and hole forming; 3) after primary cleaning, performing secondary corroding and reaming on the optical foil in the acid solution; 4) after secondary cleaning, drying the optical foil by using a drying furnace to obtain the corroded foil finished product; and 5) performing conversion coating on the corroded foil finished product to obtain the medium and high-voltage anode aluminum foil finished product. In the method for manufacturing the medium and high-voltage anode aluminum foil for the aluminum electrolytic capacitor provided by the invention, the surface dislocation and defect parts of the optical foil are subjected to pitting by the alternating current, and then the optical foil is subjected to primary corroding and hole forming by the direct current, so that heating is reduced, the deformation of the aluminum foil because of heating is prevented, the surface expansion rate of the aluminum foil is increased, and specific volume is improved greatly.

The invention discloses a process method for assembling and welding a pile leg of an ocean platform. According to the method, the production speed is high, and the percent of pass of products is high. A pile leg assembly is composed of a rack and two semicircular pipes. Coming cargo examination should be carried out on the rack and the semicircular pipes carefully, and the rack and the semicircular pipes are installed through a tool. The rack is turned over through a turnover device. The assembled pile leg examined to be qualified is lifted to an electric heating furnace stage trolley, conveyed into a furnace and heated, wherein the temperature ranges from 150 DEG C to 200 DEG C. The temperature in a hearth should be kept even. The heated pile leg is placed on the ground. Two welding joints are in the horizontal state. Manual welding rods are used for backing welding. Welding is performed on the pile leg by four welding workers from the middle position. The two sides are simultaneously and symmetrically welded. After welding is finished, the pile leg is turned over and welded continuously. After the welding joints are backed for 1 to 2 layers, the pile leg is lifted to roller carriers on a submerged arc welding production line and then formally welded. The welded pile leg is conveyed into a thermal treatment furnace, the heating temperature ranges from 200 DEG C to 280 DEG C and maintained for 2 to 3 hours, and then the pile leg is delivered out of the thermal treatment furnace.

The invention relates to a fireproof door based on Internet of Things and having extinguishing and smoke removing functions. The fireproof door includes a main body and a handle and further includes an extinguishing mechanism, a casing and a smoke absorbing mechanism. The extinguishing mechanism includes a heat absorption assembly and a spraying assembly. The heat absorption assembly includes a water pump, a heat absorption plate, a heat absorption pipe and a stabilizing assembly. The spraying assembly includes a driving chamber, a driving unit and a spraying unit. The smoke absorbing mechanism includes a rotating assembly and a smoke absorbing assembly. In the fireproof door based on Internet of Things and having the extinguishing and smoke removing functions, through the extinguishing mechanism, a main body is effectively prevented from being heated and deforming; omnidirectional uniform spraying for extinguishing is performed through a spray head, and fire spreading is effectively retarded, to achieve the protective effect. Smoke can be absorbed through the smoke absorbing mechanism, to prevent the smoke from spreading, people's life safety is ensured as far as possible, and through these, the practicality and reliability of the fireproof door are greatly improved.

The invention provides coating liquid for heating incombustible tobacco product cigarette paper and a preparation method and application of the coating liquid. The coating liquid is prepared from thestep that tobacco extracting concentrated solution, expanded graphite particles, a dispersing agent and tobacco flavor are evenly mixed and subjected to ultrasonic dispersion for 7-15 minutes. The expanded graphite particles are prepared from the steps that expanded graphite particles with the particle diameters of 5-15[mu]m are placed in an atomizing agent solution, fully stirred under a negativepressure condition and absorb the atomizing agent solution, and drying at a low temperature of 70-100 DEG C is carried out. The tobacco extracting concentrated solution is prepared from the step thata tobacco extracting concentrated solution is subjected to vacuum concentration to the relative concentration of 1.21-1.28g/cm<3>. One surface of cigarette paper substrate paper is coated with the coating liquid evenly and subjected to drying slicing under the condition of 50-65 DEG C to obtain the cigarette paper, the cigarette paper can resist high temperature (about 300 DEG C), and the smoke releasing quantity during smoking can be improved.

The invention provides a mask plate and a manufacturing method of a semiconductor device. Patterns of the mask plate comprise a first pattern capable of being exposed and a second pattern which is a sub-resolution auxiliary pattern, the ratio of the area of the first pattern to the total area of the mask plate is smaller than or equal to a preset ratio, and the ratio of the sum of the area of thesecond pattern and the area of the first pattern to the total area of the mask plate is within a preset range. Since the second graph is a sub-resolution auxiliary graph, the photoresist layer cannotbe imaged, so that etching of the to-be-etched layer cannot be affected; meanwhile, due to the existence of the second pattern, the density of the pattern in the mask plate is increased, the problem that the mask plate is heated and deformed due to the fact that light intensity is excessively concentrated when photoresist is patterned is solved, and the etching precision of the to-be-etched layerin the semiconductor device is improved.

The invention provides a clamping plate type support of an aluminum alloy hub-type joint net frame. The technical problem that a screw rod is not subjected to shearing force is solved. According to the adopted technical scheme, the splint type support comprises a maintaining part, a locking assembly, and a connecting part, wherein the maintaining part is provided with a fixing end plate and further provided with a first sealing end plate and a second sealing end plate which are arranged on one side face of the fixing end plate in parallel, and a positioning groove suitable for placing a hub joint is enclosed among the two sealing end plates and the fixing end plate; the locking assembly includes a perforating part passing through the first sealing end plate, the hub joint and the second sealing end plate in sequence in the axial direction of the hub joint, and locking parts arranged at the two ends of the perforating part; and the connecting part is suitable for connecting the maintaining part to a to-be-connected object. Cover plate seals in the prior art is replaced by adopting a clamping type sealing structure, seals are in rigid connection, the overall structural strength of the support is enhanced, thus the perforating part can withstand a certain degree of shearing resistance, and the structural strength of the support is greatly enhanced.

A highly reliable method for forming contact plugs is provided. The method can prevent short circuiting from occurring between self aligned contact plugs and word lines or between self aligned contact plugs and bit lines by applying a material, whose etching speed ratio relative to that of the silicon-based insulating film is 100 or more, to an interlayer film for forming the contact plugs therein. The method comprises forming wiring lines each of which is covered with silicon oxide films at its top surface and lateral sides, forming a sacrificial interlayer film overall, which is made up of an organic coating film without containing silicon, so as to cover the wiring lines, forming contact holes by sequentially etching the sacrificial interlayer film and a lower-layer insulating film, and forming contact plugs. The method further comprises forming columns of the contact plugs by removing the sacrificial interlayer film, forming an interlayer insulating film overall, and partially removing the interlayer insulating film from above the surface thereof to expose the surfaces of the capacitor contact plugs.

The invention provides a clamping-plate support of hub-type joint net rack. The technical problem that a threaded rod is not subjected to shearing force is solved. The clamping-plate support in the technical scheme comprises a keeping part, a locking assembly and a connecting piece, wherein the keeping part is provided with a fixing end plate, a first blocking end plate and a second blocking end plate, the first blocking end plate and the second blocking end plate are arranged on one side face of the fixing end plate in parallel, and a positioning groove suitable for imbedding into a hub jointis defined by the portion between the two blocking end plates and the fixing end plate; the locking assembly comprises a penetrating piece sequentially penetrating the first blocking end plate, the hub joint and the second blocking end plate in the axis direction of the hub joint and locking pieces arranged at the two ends of the penetrating piece; the connecting piece is suitable for connectingthe keeping part on a to-be-connected object. Clamping-plate blocking in the prior art is replaced with a clamping-type blocking structure, rigid connection is carried out between blocking, the wholestructural strength of the support is enhanced, the penetrating piece can bear the shearing resistance of the certain degree, and the structural strength of the support is greatly enhanced.

The invention aims to provide a marine fire-proof soft package structure with good fire-proof performance. The marine fire-proof soft package structure comprises fire-proof cotton fixed on the cabin wall of a ship, a square tube frame fixedly connected with the cabin wall of the ship, an aluminum bottom plate of which the interior is honeycomb and a detachable soft package; the aluminum bottom plate is fixedly connected with the square tube frame; the detachable soft package comprises an aluminum honeycomb plate; the lower surface of the aluminum honeycomb plate is provided with a sponge layer; the lower surface of the sponge layer is coated with a leather layer; four side faces of the aluminum honeycomb plate are provided with edge-closing strips; two adjacent edge-closing strips are fixedly connected; the aluminum honeycomb plate, the sponge layer and the leather layer are clamped and fixed in the edge-closing strips; the edge-closing strips and the aluminum bottom plate are providedwith connecting structures; and the detachable soft package is fixedly cooperated with the aluminum bottom plate through the connecting structures. The marine fire-proof soft package structure provided by the invention is applied to the technical field of ship structures.

The invention discloses a glue spraying mechanism for electronic communication products, which relates to the technical field of gluing devices and comprises a worktable, a mounting frame, a gluing mechanism and a cleaning mechanism. Under the condition that the gluing head is not damaged, glue left on the outer side and in the gluing head can be cleaned, and the conditions that the gluing head is blocked and dust is doped in the glue when the gluing head is used again are avoided.

The invention relates to the technical field of packaging film drying, and discloses a tension-adjustable drying device for packaging film processing. The device comprises a drying box, first bearingblocks are arranged on the left side wall and right side wall of the drying box, a winding roller is rotationally connected to the first bearing block on the left side, a second bearing block is arranged at the top of the drying box, a second driving motor is fixedly connected to the upper portion of the second bearing block, an output shaft of the second driving motor is fixedly connected with adriving disc, the front side of the driving disc is rotationally connected with the upper end of a second supporting rod, and the lower end of the second supporting rod is rotationally connected withthe middle of the upper surface of a second sliding block. According to the tension-adjustable drying device for packaging film processing, a first tension roller and a second tension roller are arranged in the drying box, so that packaging film can be expanded in the drying box; and the second tension roller is driven to continuously move through the second driving motor, and the tension of the packaging film is continuously adjusted, so that local heating deformation of the packaging film is avoided.

The invention discloses a device for detecting the heat preservation and insulation performance of a heat preservation and insulation material. The device structurally comprises an insertion pipe column block, an exhaust rotating cylinder, a trapezoidal table cover, a detection square box, a power distribution control cabinet, an observation window and a microwave armature tray. According to the invention, the cooperation of the detection square box and the microwave armature tray is realized; a thermal insulation material containing silicon-aluminum fibers is placed on an outer frame ring tray in a detection square box, so that the aluminum fibers are electromagnetically dragged by the armature block to form a composite board slot material electromagnetic field erecting and protecting effect that the fibers pull the silicon fibers; microwaves are released by electrifying the micro-wave bent frame rods to penetrate through the heat preservation and insulation material containing the silicon-aluminum fibers, and the detection of the molecular gap heat resistance and the material plastic surface is achieved, so the accuracy of the overall heat preservation and insulation performanceis improved, the material is effectively protected, loss in the detection process is avoided, the aluminothermic deformation quantity in the specific heat capacity is stabilized, and the effect of controlling the overall disc surface lifting heat drying fine adjustment coefficient is improved.

The invention relates to the technical field of welding tool clamps, in particular to a hydraulic oil cylinder outer pipe cylinder barrel clamping tool clamp which comprises a workbench, a rotary clamp table assembled on the workbench and a pipe opening positioning clamp assembled on the workbench. The rotary clamp table comprises a rotary table mechanism assembled on the working table, the rotary table mechanism comprises a rotary platform which is vertically and rotatably installed, and a synchronous positioning clamp used for axially aligning a cylinder part of a cylinder barrel with a flange plate is arranged on the rotary platform. A pressing mechanism used for pressing the cylinder part of the cylinder barrel and the flange plate is arranged on the upper end face of the rotary platform. The tool clamp provided by the invention can be used as a hydraulic cylinder barrel welding positioning clamp, can replace manual work to realize rapid and automatic alignment of a welding part, and solves the problems of trouble of manual adjustment and uncontrollable error and unreliable precision in the manual adjustment process.

Electrodes 2, 3 are contact with an uppermost work W1 and energized with electricity so as to thermally expand an electrode contact portion of the work W1 or alternatively so as to thermally expand the electrode contact portion of the work W1 and a heat transfer portion of an adjoining work W2 to which heat is transferred from the electrode contact portion, and then the portions are contracted so as to form a deformed portion Q and the deformed portion Q is separated from the adjoining works W1, W2 and a gap H is formed between the works W1, W2 which are overlapped, and a laser beam L is irradiated at a position where the gap H is large enough to spread the vapor generated by the vaporization of the coating heated.

The invention discloses a gluing device for electronic communication products, and relates to the technical field of gluing devices.The gluing device comprises a workbench, a mounting frame, a gluing mechanism and a cleaning mechanism, the mounting frame is arranged on the upper end face of the workbench and is driven by a first driving mechanism to move front and back, and a moving frame is arranged on the front side of the mounting frame; the moving frame is driven by the second driving mechanism to move left and right, the gluing mechanism is arranged on the moving frame and used for gluing products on the workbench, and the cleaning mechanism is arranged below the gluing mechanism and used for cleaning and collecting overflowing glue. Under the condition that the gluing head is not damaged, glue left on the outer side and in the gluing head can be cleaned, and the conditions that blocking occurs when the gluing head is used again and dust is doped in the glue are avoided.

The invention discloses a venturi effect-based phase change type building decorative plate surface leveling device, which comprises a base, an adjustable movable clamping mechanism, a self-adaptive centering clamping rolling supporting mechanism, a symmetric missing-free comprehensive polishing leveling mechanism and a venturi phase change type cooling dust removal mechanism, and is characterized in that the adjustable movable clamping mechanism is arranged on the base; the self-adaptive clamping rolling supporting mechanism is arranged on the adjustable movable clamping mechanism, and the symmetrical missing-free comprehensive grinding and leveling mechanisms are symmetrically arranged on the base and symmetrically arranged on the two sides of the adjustable movable clamping mechanism. The venturi phase change type cooling and dust removing mechanism is arranged on one side of the symmetrical omission-free comprehensive grinding and leveling mechanism, and the self-adaptive centering, clamping, rolling and supporting mechanism comprises a centering, clamping and transmission assembly and a self-adaptive clamping, rolling and supporting assembly. The invention belongs to the field of building decoration processing, and particularly relates to a venturi effect-based phase change type building decoration plate surface leveling device which is compact in structure and can be used for cooling and dedusting.

The invention provides an aluminum alloy hub-type joint net frame clamping plate type support based on groove steel. The technical problem that a screw rod is not subjected to shearing force is solved. According to the adopted technical scheme, the aluminum alloy hub-type nodal grid frame splint type support comprises a maintaining part, a locking assembly, and a connecting part, wherein the maintaining part is provided with a fixing end plate and further provided with a first sealing end plate and a second sealing end plate which are arranged on one side face of the fixing end plate in parallel, and a positioning groove suitable for placing a hub joint is enclosed among the two sealing end plates and the fixing end plate; the locking assembly includes a perforating part passing through the first sealing end plate, the hub joint, and the second sealing end plate in sequence in the axial direction of the hub joint, and locking parts arranged at the two ends of the perforating part; andthe connecting part is suitable for connecting the maintaining part to a to-be-connected object. Cover plate seals in the prior art is replaced by adopting a clamping type sealing structure, seals arein rigid connection, the overall structural strength of the support is enhanced, thus the perforating part can withstand a certain degree of shearing resistance, and the structural strength of the support is greatly enhanced.

The invention relates to a heating aluminum tube which comprises a tube body which is in the shape of a C-shaped ring. A filling material is wrapped at the center of the tube body. Two ends of the tube body sleeve ceramic materials. Lead columns are wrapped at the centers of the ceramic materials. The inner end parts of the lead columns are provided with heating wires which are encircled structures. The heating wires are in the filling material and are correspondingly connected between the inner end parts of the lead columns. Both the filling material and the ceramic materials have good heat insulation effect, and the thermal deformation of the tube body due to the transfer of high temperature on the heating wires and the lead columns to the tube body is avoided. The filing material is magnesium oxide powder. The core of the invention is that through the good heat insulation effect of the filling material and the ceramic materials, the transfer of high temperature to cause the thermal deformation of the tube body is greatly prevented. The heating aluminum tube has the advantages of compact structure, good use effect and long service life.