26results about How to "Meet flatness requirements" patented technology

The invention provides a TC4 titanium alloy thin-wall slender structure liquid cooling plate brazing method, and belongs to the technical field of micro-channel heat exchange. The problems that according to an existing welding method for the TC4 titanium alloy thin-wall long and thin structure liquid cooling plate, the metal brazing connection performance is not stable, a connection interface has defects, and the flatness of the welded thin-wall liquid cooling plate is poor are solved. The thin-wall liquid cooling plate and the slender structural part are buckled and combined, metal foil type brazing filler metal is clamped between the thin-wall liquid cooling plate and the slender structural part to form a TC4 titanium alloy thin-wall liquid cooling plate and slender structural combined part, a graphite pressing block A and a graphite pressing block B are combined and pressed on the TC4 titanium alloy thin-wall liquid cooling plate and slender structural combined part, and after being assembled, the TC4 titanium alloy thin-wall liquid cooling plate and slender structural combined part are put into a vacuum furnace. According to the method, the one-time welding success rate is increased, meanwhile, the brazing seam quality is better, intermetallic compounds of the welding seam are uniform in welding seam microcosmic metallographic display, and the phenomena that the brazing seam is not resistant to pressure and prone to leakage are greatly reduced.

The invention discloses a high-precision control nickel-64 solid nuclear target electroplating preparation method, which belongs to the technical field of solid nuclear target production, and comprises the following steps: step 1, calculating the mass of a simple substance nickel raw material: injecting protons into simple substance solid nickel, calculating an ionization energy loss curve and making an energy loss integral curve, calculating the mass of the elemental nickel raw material according to the density of the elemental nickel and the relative atomic mass of nickel-64; 2, a nickel plating solution is prepared; and step 3, electroplating to prepare the nickel-64 solid nuclear target. According to the method, the Monte Carlo simulation method based on the Newton's law of motion and the molecular dynamics equation is introduced in the process of calculating the mass of the elementary nickel raw material, and the motion trail and the energy loss of the protons injected into the elementary solid nickel are considered in the calculation process, so that the calculation precision of the mass of the elementary nickel raw material is remarkably improved; the prepared nickel-64 solid nuclear target can meet application requirements, raw material waste is reduced as much as possible, and the production cost is reduced.

The embodiment of the invention discloses a laser marking device and method. The device comprises a movable positioning module, a laser marking module and an adsorption fixing module. The laser marking module is in sliding connection with the movable positioning module and is driven by the movable positioning module to ascend and descend. The adsorption fixing module comprises an adsorption fixing assembly and a first driving assembly, one end of the first driving assembly is fixedly connected with the laser marking module, the other end of the first driving assembly is connected with the adsorption fixing assembly in a matched mode to drive the adsorption fixing assembly to ascend and descend, and the adsorption fixing assembly adsorbs and fixes a to-be-marked glass battery piece marking area. The to-be-marked glass battery piece extends in the horizontal direction; the laser marking module is connected with the mobile positioning module and is driven by the mobile positioning module to ascend and descend so as to perform primary positioning; the adsorption fixing assembly is driven by the first driving assembly to ascend and descend so as to conduct secondary positioning on the adsorbed and fixed glass battery piece to be marked. Coarse positioning and fine positioning are combined, the flatness and focal depth of a marking area of a product can be accurately adjusted, and the flatness requirement of high-precision laser marking is met.

The invention relates to the technical field of copper alloy strip production, in particular to high-strength and high-elasticity copper alloy strip cold rolling equipment with a smoothing function, which comprises two cold rolling mechanisms with sequentially enhanced cold rolling effects and a plurality of cold rolling smoothing mechanisms arranged between the two cold rolling mechanisms, and the smoothing effects of the plurality of cold rolling smoothing mechanisms are sequentially enhanced. The cold rolling flattening mechanism comprises two flattening mechanisms and a pressure control mechanism; the flattening mechanism comprises two flattening structures, the flattening directions of flattening rollers in the two flattening structures on the copper alloy strip are opposite, and the flattening directions of the two flattening structures, located above the copper alloy strip, in the two flattening mechanisms on the copper alloy strip are opposite; the pressure control mechanism is used for controlling the pressure of the leveling mechanism on the copper alloy strip; the multiple cold rolling smoothing mechanisms are arranged, so that it is effectively guaranteed that the cold rolling quality of all positions of the copper alloy strip after cold rolling is uniform, and the cold rolling defects caused by unevenness of the copper alloy strip are reduced.

The utility model discloses a multidirectional adjusting device for a dry-hanging veneer system. The multidirectional adjusting device comprises a keel and a panel, the keel is transversely fixed on a wall body; the panel is hung on the keel; the device further comprises a hanging piece, an adapter piece and a bolt assembly. The hanging piece is used for hanging the panel on the keel; the adapting piece is used for connecting the hanging piece with the keel; the bolt assemblies are used for fixing the hanging piece and the adapter piece and fixing the adapter piece and the keel respectively; according to the dry-hanging veneer multi-system adjusting device, the hanging piece, the adapter piece and the bolt assembly are arranged; flexible adjustment of dry hanging of the panel on the keel is achieved, the problem of errors of hanging pieces and back bolt holes of the panel is solved when the panel is installed, and it is guaranteed that installation is formed at a time; meanwhile, the plane position of the panel can be automatically adjusted, and the requirement for flatness is met; and the designed adjusting device also avoids the problem of repeated disassembly and assembly of the panel, so that the waste of raw materials is avoided to a certain extent, and the working efficiency is greatly improved.

The application relates to a flattening device for carton production, which comprises a frame body, a conveyor for conveying carton boards arranged on the frame body, a plurality of guide rollers arranged along the length of the conveyor in sequence, a flattening mechanism arranged on the frame body and used for flattening the carton boards, characterized in that a heat source roller is arranged above the conveyor and used for hot pressing the carton boards, and a driving member is arranged on the frame body and used for driving the heat source roller to rotate. The flattening device can be used in cooperation with the heat source roller, the driving member and the flattening mechanism, the carton boards can be hot-pressed before being flattened, the carton boards are subjected to the joint action of heat and pressure, the flexibility of the carton boards is reduced, the resilience of the carton boards is weakened, the required pressure and time for subsequent flattening are reduced, the carton boards can reach the flatness requirement through one or a small number of flattening operations, and the production efficiency is improved.

The utility model relates to a cutting, detecting and dotting all-in-one machine for automobile plug-in pins. The cutting, detecting and dotting all-in-one machine comprises a machine table, a cutting mechanism, a detecting mechanism, a marking mechanism, a discharging mechanism and a transplanting mechanism, the cutting mechanism comprises a Y-axis linear sliding table which is horizontally arranged on the machine table and is placed front and back, and a cutting module which is arranged at the driving end of the Y-axis linear sliding table and is used for cutting off pins; the detection mechanism is used for detecting the cut pins; the marking mechanism is used for marking the detected product; the discharging mechanism is used for discharging the marked products. The transplanting mechanism is used for grabbing products and transferring the products among the cutting mechanism, the detecting mechanism, the marking mechanism and the discharging mechanism; according to the utility model, the cutting, detection, marking and blanking work of pins can be automatically completed, and products do not need to be manually carried, so that the labor cost is saved, and the production efficiency is improved.

This utility model relates to a high-precision stainless steel stretching forming mold, belonging to the field of stretching mold technology. The initial stretching mold realizes the blanking and stretching, and then the cleaning component cleans the initial part. After cleaning, the heat treatment component performs heat treatment to reduce the hardness of the initial part and eliminate internal stress. Then, the initial part is stretched and thinned a second time through the secondary stretching mold to form the intermediate part. Then, the 45-degree flanging mold and the 90-degree flanging mold are used to shape the angle of the intermediate part. Finally, the edge trimming mold removes the excess edges and corners of the intermediate part to form the finished part. This production process can reduce the cold work hardening of stainless steel and prevent surface scratches and cracks. After stretching and forming, the product can meet the requirements for surface roughness and flatness of the parts.

The utility model discloses a paster type integrated punch forming hollow inductor which at least comprises a rewinding coil group, the rewinding coil group comprises a first conductor, a second conductor and a connecting body, the first conductor and the second conductor are both bent strip-shaped bodies in structure, the first conductor and the second conductor are arranged in parallel at intervals, and the connecting body is connected with the first conductor and the second conductor. And the head ends of the first conductor and the second conductor are bent towards any side direction to form patch ends. The tail ends of the first conductor and the second conductor are connected through a connecting body, the bottom surface of the head end of the first conductor and the bottom surface of the head end of the second conductor are flush with the bottom surface of the connecting body, and the first conductor, the second conductor and the connecting body are integrally formed by punching copper sheets. According to the scheme, integral stamping is adopted, so that the consistency of the size and the structure of a product is high, the stamping forming process is simple, machining is convenient, the automation degree and the production efficiency are high, cost reduction is facilitated, and the method is suitable for machining air-core inductors with high-precision sensing tolerance requirements.

The invention discloses a manufacturing method of a micro array square through hole substrate and the substrate, and the manufacturing method comprises the following steps: S1, base material pretreatment, S2, laser processing treatment, S3, sand blasting roughening treatment, S4, high-speed airflow jet precision treatment, S5, stress relief annealing treatment, and S6, demagnetization treatment. The four core functions of positioning supporting, flaw protection, environment adaptation and efficiency optimization are achieved around the core requirement of flow magnetic mass transfer, key technical support is provided for efficient and high-yield transfer of micro functional units such as Micro LEDs and semiconductor micro devices, the peak effect of micropores is solved through treatment of the sand blasting and high-speed airflow jetting technologies, and the micro functional units are effectively protected. And therefore, the problems of insufficient precision, many hole wall flaws and poor flatness of the micro array square through hole substrate are solved, and the requirements on the precision and the flatness of the transferred substrate in the transfer process are met.

This application relates to the field of municipal road construction technology, and in particular to a hydraulic ring-cutting road surface demolition device that adapts to different manhole cover sizes. The device includes a frame, a power lifting assembly, a hydraulic breaker assembly, and a clamping assembly. The frame includes a fixing plate with a circular through hole on its upper surface, and two inclined supports are fixedly connected to the upper surface of the fixing plate. By setting up the hydraulic breaker assembly, this application utilizes four hydraulic telescopic rods arranged in a cross shape to drive the adjusting block, which in turn drives the breaker head to extend and retract radially. This allows for precise adaptation to various sizes of conventional municipal manhole covers, solving the problem that traditional equipment can only adapt to fixed-size manhole covers and cannot meet the needs of concentrated operations with multiple types of manhole covers in old residential areas. This significantly expands the applicability of the equipment. It achieves neat ring-cutting of the road surface around the manhole cover, resulting in a smooth cut, avoiding excessive damage and road surface cracking, reducing the workload and cost of subsequent road repair, and meeting the asphalt pavement smoothness requirements after the renovation of old residential areas.

The utility model provides a kind of well lid anti-settling fixing device.It relates to municipal engineering construction technical field.The well lid anti-settling fixing device includes well slot being opened on ground, annular supporting member is equipped in the well slot, the bottom of the annular supporting member is equipped with positioning ring groove, annular positioning protrusion is fixedly installed on the bottom inner wall of the well slot, the top of the annular positioning protrusion extends into the positioning ring groove, the well slot, annular supporting member and annular positioning protrusion constitute concrete filling cavity between;The top of the annular supporting member is equipped with installation ring groove, well lid main body is equipped in the installation ring groove, the top of the well lid main body is equipped with four first clamping slots being annular array distribution, the top of the annular supporting member is equipped with four second clamping slots being annular array distribution.The utility model has the advantages of simple structure, convenient installation, and stable and reliable anti-settling effect.

This invention relates to a cleaning solution and cleaning method for removing the SiO2 film layer on the surface of silicon carbide. The cleaning solution comprises the following components by volume: 15-20% HF, 5-10% HNO3, 8-12% NH4F, 0.01-0.05% nonionic surfactant, and the remainder is ultrapure water. The mass concentration of HF is 49%, the mass concentration of HNO3 is 68%, and the mass concentration of NH4F is 30%. The cleaning method includes the following steps: (1) pre-cleaning the silicon carbide with ultrapure water; (2) performing main cleaning on the pre-cleaned silicon carbide using the above cleaning solution; (3) placing the main-cleaned silicon carbide into a 15-20% NH4OH / H2O2 mixed solution for neutralization and cleaning, then cleaning with an ultrapure water solution containing disodium ethylenediaminetetraacetate, and finally cleaning with a four-stage countercurrent ultrapure water rinsing system; (4) performing post-treatment cleaning in ultrapure water with an ozone content of 4-6 ppb, then rinsing with ultrapure water, and finally drying with isopropanol vapor. This method ensures that the silicon carbide surface is free of residue, has low particulate contamination, and is of high purity after cleaning, meeting the stringent requirements of semiconductor etching processes for the cleanliness and integrity of the material surface.

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic support construction device which comprises a base and a moving assembly, a lifting assembly is arranged above the moving assembly, and an overturning assembly is arranged above the lifting assembly. The overturning assembly comprises a bracket, an overturning plate and two oil cylinders I, and a carrying table is arranged on the overturning plate; an upper row of limiting pieces and a lower row of limiting pieces used for fixing the edges of photovoltaic panels are arranged on the front face of the carrying table, each row of limiting pieces comprises a plurality of first check blocks and two second check blocks located on the outermost sides of the first check blocks, the first check blocks are each in an inverted T shape, the second check blocks are each in an L shape, and the bottom faces of the first check blocks and the second check blocks in the upper row are inclined faces; four rows of upper and lower clamping plates are further arranged on the front side of the carrying table, one end of each clamping plate is bent upwards to form a hook part, and the other end of each clamping plate penetrates through the corresponding sliding groove and then is connected with a driving set. According to the utility model, the photovoltaic panel is assembled on the platform deck, then the purline and the supporting assembly are installed in sequence, and the whole is assembled with the pipe pile, so that construction and installation are easy.

The utility model discloses an assembly surface flatness detection tool for a multi-surface assembly workpiece. The assembly surface flatness detection tool comprises an installation main body, a lower die mechanism and an upper die mechanism. Wherein the mounting main body comprises a horizontally arranged mounting bottom plate and a fixing frame, the fixing frame is vertically mounted on the mounting bottom plate, and a driving unit is mounted on the fixing frame; the lower die mechanism is arranged on one side of the bottom of the fixing frame and comprises an installation base, the installation base is movably connected with the installation bottom plate, and the installation base is provided with a containing cavity capable of containing a to-be-detected workpiece; the upper die mechanism is arranged above the lower die mechanism and comprises a movable plate and a plurality of measuring probes, the measuring probes are arranged on the movable plate, the movable plate is connected with the driving unit, and the driving unit drives the movable plate to move downwards so that the measuring probes can abut against the assembling faces of the workpiece to be detected and detect the flatness of the assembling faces. According to the utility model, the workpiece can be kept stable in the measurement process, a plurality of assembly surfaces of the workpiece can be measured at the same time, and the measurement work efficiency is high.

The application discloses a three-grinding-head laser milling machine with adjustable milling and milling extension, relates to the technical field of laser milling machines, and comprises a machine body, a laser leveling device, a laser guiding device, a fixed grinding head assembly, an adjusting grinding head assembly, a driving device, a flatness detection device and a controller. The machine body comprises a rack and a cover shell arranged on the machine body. The laser leveling device and the controller are arranged on the top of the rack. The laser guiding device is arranged on the driving device. The bottom of the rack is connected with a bottom plate. The fixed grinding head assembly, the adjusting grinding head assembly, the driving device and the flatness detection device are arranged on the bottom of the bottom plate. The bottom plate is provided with a distance adjusting device. The adjusting grinding head assembly is arranged on the distance adjusting device. The adjusting grinding head assembly is provided with an inclination adjusting device. The driving device is provided with a height adjusting device. Two adjustable grinding head assemblies are arranged to adapt to different widths of the roadway, so that the flatness requirement can be met by one-time grinding. The inclination adjusting device can adjust the inclination of the grinding head.

The invention relates to a high-precision ground construction control device and method and relates to the technical field of ground construction, a plurality of elevation rods are vertically and fixedly connected to structural supporting steel bars, and positioning pieces are slidably connected to the elevation rods and used for elevation identification; the threaded rods are welded to the multiple horse stool ribs to be matched with the fixing nuts, the adjusting nuts and the positioning pieces so that elevation positioning of bottom plate pouring can be conducted, and bottom plate concrete pouring is completed; the position of a construction joint is determined, a positioning steel bar is erected on a floor formwork, then a plurality of threaded rods are welded to the positioning steel bar at equal intervals, elevation positioning of bottom plate pouring is carried out in cooperation with a fixing nut, an adjusting nut and a positioning piece, floor concrete pouring is completed, and the flatness problem of the building floor at the position of the construction joint can be effectively solved. And the requirement of the integrated floor on the flatness is met.

This invention relates to the field of subframes and discloses a novel hollow cast aluminum rear subframe. The subframe is integrally cast and includes a frame portion and a reinforcing beam portion. The frame portion is a hollow quadrilateral tubular structure, including a front crossbeam, a rear crossbeam, a left longitudinal beam, and a right longitudinal beam. The reinforcing beam includes a solid beam in the middle and connecting portions integrally formed with the longitudinal beams at both ends. A through first mounting hole is provided in the middle of the connecting portion, and a first fixing hole is provided on the side wall of the first mounting hole. Mounting structures are provided at the four corners on the upper side of the frame portion, and lower mounting structures are provided at the four corners on the lower side of the frame portion. Both the upper and lower mounting structures are integrally cast with the subframe. This subframe has the advantages of light weight, high strength, fewer parts, and high flatness.

The utility model belongs to the technical field of foam tape processing, specifically discloses a kind of foam tape processing pressure device, including base, and fixed mounting is equipped with extrusion table on the base, and forming cavity is opened in the extrusion table, and the sliding joint is equipped with detent baffle in the extrusion table, and the upper surface of base is fixedly connected with slide, the inside slide of slide is connected with rack, and the one end of rack near extrusion table is provided with flexible pressure mechanism for carrying out pressure to foam tape, and driving mechanism for moving rack is provided on the base.This foam tape processing pressure device, in the process of foam tape pressure, the progressive compression of spring in flexible pressure mechanism makes the pressure that pressure head exerts to foam from zero start slowly increase, avoid the instantaneous collapse of pore structure caused by pressure mutation in traditional rigid extrusion, and this kind of flexible contact significantly reduces the irreversible deformation of foam fiber, protects its three-dimensional porous network structure.

The utility model discloses a material belt breaking device, which relates to the technical field of injection molding process auxiliary equipment, and comprises a first pressing arm, a second pressing arm and an elastic piece arranged between the first pressing arm and the second pressing arm, one end of the first pressing arm is hinged with one end of the second pressing arm, and the other end of the second pressing arm is hinged with the other end of the first pressing arm. A pressing and positioning structure is arranged between the other end of the first pressing arm and the other end of the second pressing arm and used for pressing and positioning a product, and redundant material strips on the product extend out of the position between the first pressing arm and the second pressing arm to be broken off. According to the material belt breaking-off device, the material belt can be fast broken off while the flatness of a product is guaranteed, the requirement of a customer for the flatness of the product is met, the product yield and the working efficiency are improved, and the production cost is reduced.

The present invention provides an assembly method of an electrostatic suction cup, comprising: providing a base; fixing a ceramic disc on one side of the base through a first adhesive layer, wherein the flatness of the surface of the ceramic disc away from the base is less than or equal to 2 threads. The base and the ceramic disc are assembled through the first adhesive layer, and during the assembly process, the flatness of the first adhesive layer and / or the ceramic disc itself is controlled to ensure that after the assembly is completed, the flatness of the surface of the ceramic disc away from the base is less than or equal to 2 threads, thereby meeting the flatness requirements required by the process.

The application relates to the technical field of photovoltaic modules, and discloses an intelligent shutdown module integrated with a perovskite photovoltaic module, which comprises a laminated part and an intelligent shutdown module. The laminated part is provided with an electric lead-out end, the intelligent shutdown module is integrated in the photovoltaic module, and the intelligent shutdown module is directly electrically connected with the electric lead-out end inside the photovoltaic module. The intelligent shutdown module is internally provided with a control unit, a power switch unit and a high-voltage arc extinguishing structure. The control unit is used for receiving instructions and controlling the power switch unit to disconnect the main power circuit, and the high-voltage arc extinguishing structure synchronously performs a direct-current arc extinguishing action. The intelligent shutdown module specifically adopts a frame integrated type or a backboard integrated type structure. The application realizes a rapid shutdown function at the module level, removes external extension cables and plug-in connectors through integrated design, reduces the leakage and high-voltage arc failure rate, and the light and thin form is matched with the physical characteristics of the perovskite photovoltaic module.

The invention discloses an assembling and welding positioning device of a bridge widening part positioning connection structure, which belongs to the technical field of welding and comprises a positioning support, a plurality of positioning seats, positioning blocks a in one-to-one correspondence with the positioning seats and code pressing seats in one-to-one correspondence with the positioning seats. The widening part is placed on the positioning bracket; the plurality of positioning seats are mounted on the positioning bracket and are arranged at the positioning notches of the widened part in a one-to-one correspondence manner; the positioning seat is used for positioning the mounting support of the widening part; a positioning block a is arranged on each positioning seat, and the positioning blocks a and the positioning blocks b are matched in a concave-convex manner; the positioning block a is used for positioning the positioning block b; the code pressing seat and the positioning seat are oppositely arranged at the two transverse ends of the widening part; and the widening part is tightly pressed on the positioning bracket through the code pressing seat. Welding deformation of the widening part in the process of assembling and welding the positioning connection structure to the widening part is reduced, the positioning connection structure of the widening part is unified through assembling and welding positioning of the positioning block and the mounting support, and the interchangeability requirement of the widening part is met.

The utility model relates to the technical field of vacuum valve machining, in particular to a shell surface treatment device for vacuum valve machining, which comprises an operation table, four cleaning rollers and four polishing rollers, the four cleaning rollers and the four polishing rollers are respectively arranged at two ends above the operation table, and the top of the operation table is rotatably connected with a rotating disc with a pentagonal structure. Five rotating plates are rotationally connected into the rotating disc, outer supporting mechanisms are arranged at the tops of the rotating plates, first gears are fixedly connected to center shafts of the rotating plates, a gear ring is fixedly connected to the top of the operation table, and the first gears are in engaged connection with the gear ring. The device has the beneficial effects that the deviation of the surface roughness Ra of each shell can be controlled within + / -0.01 mu m and the batch consistency reaches more than 99% by accurately controlling processing parameters and uniformly rotating, so that the requirement of an ultrahigh vacuum valve on the planeness of a sealing surface is met, and compared with the traditional device, the operation quality and the use efficiency are greatly improved.

The present invention discloses a novel airport trough rapid leveling system, which adopts a novel airport trough construction equipment and is used in conjunction with a trough leveling method; the airport trough construction equipment comprises two sets of mutually parallel guide rail mechanisms, a leveling mechanism traveling on the guide rail mechanisms, the guide rail mechanism comprises a first guide rail located on the inner side, a second guide rail integrally formed with the first guide rail and located on the outer side, and the leveling mechanism comprises a region division preliminary leveling unit and a scraping unit. The present invention can improve the flatness and density uniformity of the trough earthwork. The system can quickly level the trough earthwork in an automated manner through the use of the device and the control of the method, and after leveling, the soil density is evenly distributed, which can effectively improve the quality of the trough earthwork laying.

The application discloses a kind of thin-walled double-steel plate concrete composite shear wall structures, including inner layer steel plate and outer layer steel plate, the inner layer steel plate and outer layer steel plate between forming perfusion cavity, steel mesh is provided in the perfusion cavity, the inner layer steel plate and outer layer steel plate are fixedly connected by pouring concrete in the perfusion cavity;It also includes inner reinforcement component and outer reinforcement component, the inner reinforcement component includes the inner layer steel plate transverse stiffener and inner layer steel plate longitudinal stiffener connected in the outer wall of inner layer steel plate, and the outer reinforcement component includes the outer layer steel plate transverse stiffener and outer layer steel plate longitudinal stiffener connected in the outer wall of outer layer steel plate;It can optimize the structure of thin-walled double-steel plate concrete composite shear wall, reduce the deformation when steel plate pours concrete, improve the perpendicularity and flatness of wall after shear wall construction.