12results about How to "Meet flatness requirements" patented technology

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 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 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.

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.

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 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.