79results about How to "Consistent flatness" patented technology

The invention provides an adjustable leveling guide rail. The adjustable leveling guide rail comprises a guide rail beam and a plurality of supporting pieces, wherein each supporting piece comprises a screw rod and a nut; the screw rod is connected with the guide rail beam through the nut; the end part of the screw rod is provided with a fixing block which is hexagonal, tetragonal or triangular; the fixing block is connected with the screw rod in an integral molding mode or the fixing block is detachably connected with the screw rod; and the supporting piece also comprises a positioning piece connected with the screw rod in a fitting mode. The invention also provides a leveling method for realizing the leveling guide rail, namely, the levelness of the leveling guide rail is adjusted by rotating a leveling nut and a positioning nut. In a construction process, instant leveling is realized by clamping the fixing block, fixing the screw rod and adjusting the levelness of the guide rail by screwing the positioning nut and the adjusting nut respectively. The adjustable leveling guide rail has high leveling accuracy, can realize instant leveling in the construction process and has the advantages of low cost, convenient detachment, easy construction, clean environment, green construction and the like.

The invention discloses a bamboo joint removing and bamboo outer skin scraping integration machine. The bamboo joint removing and bamboo outer skin scraping integration machine comprises a first fixture, a second fixture, a driving device, a bamboo joint removing assembly, a bamboo outer skin scraping assembly, an intermittent motion mechanism and a linear reciprocating motion mechanism, wherein both the first fixture and the second fixture can rotate and are used for fixing the two ends of bamboo separately; the bamboo joint removing assembly can move in the axial direction of the bamboo so as to align bamboo joints; the driving device drives the second fixture through the intermittent motion mechanism to intermittently rotate by a preset angle; the driving device drives the bamboo outer skin scraping assembly through the linear reciprocating motion mechanism to conduct linear reciprocating motion in the axial direction of the bamboo; the linear reciprocating motion mechanism is matched with the intermittent motion mechanism, so that the bamboo outer skin scraping assembly finishes one-time linear reciprocating motion when the second fixture stops rotating. The technical problems that smoothness and flatness of bamboo surfaces are inconsistent in existing bamboo joint removing and bamboo outer skin scraping methods and two processes of bamboo joint removing and bamboo outer skin scraping cannot be carried out at the same time are solved.

The invention discloses a device for testing the heat insulating property of fabrics. The device comprises a heat-insulated box and a fabric tensioning device which is placed in the heat-insulated box during testing. The device for testing the heat insulating property of the fabrics has the advantages of reasonable structure, convenience in mounting, and reliable test results.

The invention provides a paint-spraying-free repair process for moderate and severe scratches of an automobile. Only a scratched part is grinded in the foundation grinding process, so that secondary damage to automobile paint in the foundation grinding process is avoided; before point compensation, the automobile paint is mixed to obtain the uniformly mixed automobile paint, and only the mixed automobile paint is used for point compensation in the point compensation process, so that the phenomena of exposed fine lines, bubbles and layering of inner layers caused by the multiple layers of automobile paint with different textures are avoided; in the process of point compensation, a method that the paint surface is 0.5-1 mm higher than the original vehicle paint surface after a plurality of times of point compensation is adopted, and then a mode of combining scraping, grinding and polishing is carried out to gradually remove the redundant vehicle paint. Through the repair in the process,the automobile scratches are effectively repaired, the scratches are flat and free of grooves after the repair, and the periphery of the scratches is free of chromatic aberration, no water-free sand marks, no aperture and no glare from the original automobile paint.

The invention discloses a preparation method of planeness-self-compensating multi-tip array for large area micromachining, comprising the following steps: plating a layer of wax sheet film (3) on a glass slide (4), and forming uniformly arranged grooves (2) on the wax sheet film (3); adding microspheres (6) into each groove (2) one by one, further pressing the microspheres (6) into the wax sheet film through a slide (7) to make all the microspheres (6) contact the glass slide (4); adhering an elastic material sheet (10) on a flat tip plate (8), and further applying a layer of UV gel (11); flat pressing the UV gel of the tip plate (8) on the microspheres (6), simultaneously carrying out ultraviolet radiation on the UV gel, thereby solidifying the UV gel, and adhering the microspheres (6) on the tip plate (8); and finally, melting the wax sheet film, taking the glass slide (4) away, washing away the residual wax on the surface of the microspheres (6), thereby obtaining the multi-tip array. With the method provided by the invention, the obtained mutli-tip array has good planeness, and height of each tip is consistent; and preparation of the multi-tip array is simple, low-cost and easy to carry out.

The invention discloses an anti-seepage structure for a balcony. The anti-seepage structure comprises a waterproof coating layer, a coiled material waterproof layer, an anti-seepage film layer and a protecting layer, the protecting layer comprises a supporting plate layer and a ceramic tile layer which are arranged from bottom to top, the supporting plate layer is formed by supporting plates in anassembled mode, clamping blocks are arranged on the corners around the top face of each supporting plate correspondingly, the ceramic tile layer is formed by ceramic tiles in an assembled mode, clamping grooves are formed in the corners around the bottom face of each ceramic tile correspondingly, and the clamping blocks and the clamping grooves are matched. A construction method comprises the following steps of (1) base layer treatment, (2) treatment of the waterproof coating layer, (3) laying of the coiled material waterproof layer, (4) layering of the anti-seepage film layer and (5) layingof the protecting layer. The anti-seepage structure for the balcony is ingenious and reasonable in overall structural design, through the anti-seepage structure, the anti-seepage effect of the balconycan be improved effectively, the protecting layer is divided into the supporting plate layer and the ceramic layer, the waterproof effect of the balcony can be further improved under the situation ofensuring the surface attractive degree of the balcony, and the upper ceramic tile layer can also be conveniently laid through the supporting plate layer.

An optical device for processing radiation that includes a beam splitter and a plurality of radiation processing parts arranged to process the characteristics of different radiation components separately, The polarizing beam splitter includes a wire grid polarizer, a first transparent plate arranged adjacent one side of the polarizer and a second transparent plate arranged adjacent the other side. Each of the first and second plates have substantially equal optical thickness profile.

The invention discloses a self-adaptive squid pattern cutting device. A belt self-adaptive adjusting mechanism is arranged in a belt running gap formed by a conveying belt; tension springs are distributed at the upper end of a adaptive base at intervals; adaptive shaft penetrates through the side portions of multiple parallel adaptive keys; the adaptive keys penetrate through gaps of multiple parallel tensioning wheels; tensioning shafts penetrate through the adaptive keys and tensioning wheels; the tail ends of the adaptive keys are located below a pressing shaft, and the pressing shaft applies pressure to the tail ends of the adaptive keys so that the tension springs can be tensioned; the inner edges of a plurality of annular outer cutter rings are arranged in annular grooves of a firstgrooved shaft and a second grooved shaft; annular inner cutters, the first grooved shaft and the second grooved shaft are distributed in the annular outer cutter rings in a triangular shape; the conveying belt penetrates through a gap between the belt self-adaptive adjusting mechanism and a pattern cutting cutter assembly; and materials located on the conveying belt are pressed on the belt self-adaptive adjusting mechanism through the pattern cutting cutter assembly. Flatness adaptation is conducted on the pattern cutting surface of squid, and consistency of the pattern cutting depth of the squid is guaranteed.

The invention discloses a fingerprint module manufacturing method. The method comprises: a substrate is provided, and ink is printed on a first surface of the substrate evenly; a fingerprint chipset is provided, and adhesive is spread on a chip sensing surface of the fingerprint chipset; the first surface of the substrate is attached to the chip sensing surface of the fingerprint chipset, and a chip module is produced; the chip module is cut into a plurality of unit chip modules. Through the method, the attaching bias probability and bias degree are reduced during fingerprint module manufacturing, so that the probability of bubble appearance and the number of bubbles appearing during fingerprint module manufacturing are reduced; and the adhesive is spread on the whole chipset, so that the chip adhesive thickness is consistent, thus the flatness of the fingerprint module is consistent, the manufacturing time is shortened, and the quality and work efficiency of the fingerprint module are improved.

The invention discloses a hollow stabilizer bar producing process. The process specifically includes the following steps of firstly, performing blanking; secondly, performing electric welding on filling inner sleeves, inserting the filling inner sleeves in the two ends of a blanked bar correspondingly, ensuring that the end faces of the filling inner sleeves are slightly 2-3 mm inward than the endfaces of a bar body, and then fixing the filling inner sleeves to the end faces through a spot welding method; thirdly, performing heating, flattening and forming on the two ends, putting the two ends, provided with the filling inner sleeves in the second step, of the bar body into an induction coil to be heated at the same time, transferring the heated workpiece onto a flattening and forming device at a flattening station, and performing extrusion forming on the two ends of the workpiece at the same time; fourthly, performing grinding; fifthly, performing drilling; sixthly, performing bending; seventhly, performing tempering; eighthly, performing correcting; ninthly, performing shot blasting; and tenthly, performing electrophoresis. The process is reasonable in step design, the whole production process is simplified, operators are reduced, operation intensity is lowered, and production efficiency is improved; and by performing flattening on the two ends at the same time, it can be ensured that the two ends are consistent in flatness, and the product quality is ensured.

The invention relates to an air layer knitted fabric and a preparation method thereof. The air layer knitted fabric sequentially comprises a surface layer, a sub-surface layer, a hollow layer, a sub-inner layer and an inner layer, the hollow layer is connected with the sub-surface layer and the sub-inner layer, micro-denier filaments of the sub-surface layer and the sub-inner layer are interlockedin a penetrating and sleeving manner, so that filaments of the hollow layer are separated from the surface layer and the inner layer, the sub-surface layer and the surface layer are woven by a plaiting structure, yarn counts of the surface layer completely cover those of the sub-surface layer, the sub-inner layer and the inner layer are woven by a plaiting structure, and the yarn counts of the inner layer completely cover those of the sub-inner layer. The surface of the air layer knitted fabric is flat, the flatness of the surfaces of the inner layer and the outer layer is consistent with that of a single jersey, anti-pilling performance is enhanced and can reach grade 3 or more, the surface of the fabric is fluffy, and the fabric is thick and excellent in thermal insulation property.

The invention relates to the technical field of optical protective films, and provides a high-temperature-resistant self-adhesive pure polyethylene protective film and a preparation method thereof. The high-temperature-resistant self-adhesive pure polyethylene protective film is prepared by co-extrusion film blowing of an outer layer, a middle layer and an inner layer. A polyolefin plastomer is added to the outer layer, so that the autohension of the outer layer is improved. The middle layer and the inner layer are made of high-pressure low-density polyethylene and high-density polyethylene, so that the transparency and temperature resistance of the film are improved. Meanwhile, metallocene medium-density polyethylene is added into the middle layer, and the temperature resistance is further improved while the stiffness of the film is improved. The invention also provides a preparation method of the high-temperature-resistant self-adhesive pure polyethylene protective film. Six sections of heating are arranged in a fourth heating area of a die head, independent temperature control is carried out on each section, temperature control is finer, and therefore the uniformity and flatness of the film are improved. An annular six-section heating system is arranged outside a die head adjusting ring, and the effect that the thickness of a discharged film is uniform and smooth is achieved by adjusting the temperature of each heating section.

The invention relates to a detachable refrigerating compressor unit rack. The rack is of a framework structure consisting of a plurality of crossbeams and longerons, which are in bolted connection, wherein both the crossbeams and the longerons are members with U-shaped cross sections, plates limited and positioned in the middles of the members are webs, plates positioned on two sides are flanges, the adjacent crossbeams and longerons are connected and fixed through detachable structures, and each detachable structure is that an L-shaped connecting plate extending outwards is arranged at the end part of the web of any one of the members of the crossbeams or longerons, and the connecting plate is in bolted connection with the other member of the crossbeams or the longerons to realize fixation between the adjacent crossbeams and longerons. The detachable refrigerating compressor unit rack has the following advantages: during connection between the crossbeams and the longerons, which constitute the rack, the extending L-shaped connecting plates are added to two ends of the crossbeams and the longerons, and direct inserting fixation between the crossbeams and the longerons is not needed, so that much convenience is brought, and meanwhile, surface evenness of the whole rack can be favorably realized.

The invention discloses a welding ring product flatness control process which involves a voltage controller and a heating coil. The process is characterized in that a wire is heated to be surrounded into a circle, and the surrounded circle is cut off to fall down into a constant temperature mold barrel, is punched by a punch pin in the constant temperature mold barrel and flattened, and falls intoa container from the constant temperature mold barrel. By means of the process, the disqualification ratio of welding rings is effectively reduced, and the yield is improved and can be improved by 2%about.

The invention aims to provide surface defect detection equipment based on machine vision, which is used for surface defect detection of a film roll and comprises a rack, a film roll assembly and a vision detection system, the rack comprises an operation table, a side bracket and an upper frame, and the operation table comprises a detection area; the film roll winding comprises a feeding roll shaft, a release paper collecting roll shaft, a tightening roll shaft, a release paper feeding roll shaft and a discharging roll shaft which are connected in sequence. The visual detection system comprisesan industrial camera, a light source and a PLC. The visual detection system is installed on the rack through a system support and arranged above the detection area, after a product enters the detection area, the PLC sends a camera trigger signal to take a picture, and after picture taking analysis processing of the camera, the PLC controls an executing mechanism to act. According to the method, the position of the defect area can be quickly and efficiently found and found as soon as possible, and defect films can be treated from the source.

The invention discloses a burr removing device for a steel pipe cut opening. The burr removing device comprises a machine body, wherein a grinding cavity with a leftward opening is formed in the machine body, a recovery cavity with a leftward opening is formed in the right end wall of the grinding cavity, and a grinding device is arranged in the recovery cavity; and a plane grinding cavity with adownward opening is formed in the right side of the upper end wall of the grinding cavity, and a lifting cavity with part of an opening facing the left is formed in the right side of the plane grinding cavity. According to the burr removing device for the steel pipe cut opening, a steel pipe can be mechanically clamped, and it is guaranteed that subsequent grinding of the cut position of the steelpipe is carried out in order, so that the flatness of the cut face of the steel pipe is kept consistent, the subsequent welding process of the steel pipe is facilitated, and meanwhile, compared withplane grinding carried out by a common grinding machine, the grinding quality can be better guaranteed.

The invention discloses a three-dimensional printer. The three-dimensional printer comprises an integrated framework, wherein a synchronous belt is arranged inside the integrated framework; a paralleldriving mechanism is arranged on the synchronous belt; the lower end of the parallel driving mechanism is provided with a double-spray constant-stroke closed wire feeding system; the lower end of thedouble-spray constant-stroke closed wire feeding system is provided with an effector; the lower end of the effector is connected with a printing sprayer; the bottom end of the interior of the integrated framework is provided with a hot bed which is located under the printing sprayer; consumables are arranged at the upper end of the integrated framework; and an integrated controller is arranged inside the integrated framework. The three-dimensional printer is high in rigidity, stable in structure, high in freedom degree, capable of eliminating the staircase effect of the traditional 3D printing, excellent in mechanical property of printed finished products, easy to maintain, capable of overcoming the defects of the 3D printing in the existing market and wide in the application range.

The invention discloses intelligent road flatness detection equipment in the technical field of road flatness detection equipment, a threaded seat is assembled on the outer side wall of a screw rod in a threaded connection mode, and a guide cylinder movably assembled on the outer wall of a guide plate in a sleeving mode is fixed to the left side of the threaded seat; a worm engaged with the worm gear is movably assembled at the bottom of the right side wall of the guide plate through a bearing, a supporting spring arranged on the outer side wall of the guide rod in a sleeving mode is fixed to the outer edge of the top of the limiting plate, and a laser plumb aligner is fixedly assembled to the top end of the guide rod after the top end of the guide rod extends out of the protective cylinder. A glass light target matched with the laser plumb aligner is fixed to the top of the inner side of the fixing frame, the distance variation between the laser plumb aligner and the glass light target directly and equivalently replaces the fluctuation amplitude and fluctuation frequency of the ground flatness of the road section, and complete and effective replacement can be completed. Therefore, inaccurate measurement results caused by data measurement errors caused by single data measurement can be avoided, and effective flatness detection is completed.

The invention relates to the technical field of grinding equipment, and discloses an automobile part machining device. The device comprises a large-model grinding box, a protection plate is hinged tothe top of the front face of the grinding box through a hinge, a rotating mechanism is arranged at the bottom in the grinding box, the rotating mechanism comprises a transmission box, a first rotatingshaft, a rotating disc, a crank, a first gear, a second gear, a second rotating shaft, a moving block, a threaded hole, a lead screw, a fixed rotary knob, sliding grooves, a movable frame, a fixed plate, a threaded rod, chucks, anti-skid pads and an adjusting rotary knob, the transmission box is fixedly installed at the bottom in the grinding box, the first rotating shaft penetrates through the top of the transmission box and is in rotary connection with the transmission box, the rotating disc is fixedly connected to the top of the first rotating shaft, the crank is rotationally connected with the top of the rotating disc, the first gear is fixedly installed on the portion, located in the transmission box, of the first rotating shaft, and the second gear is engaged with the first gear. The automobile part machining device solves the problems that the surfaces of automobile parts are polished unevenly and the automobile parts cannot be assembled.

The invention discloses a device for removing bamboo outer skin and bamboo joints. The device comprises a frame, wherein the frame is sequentially provided with a guide mechanism, a first conveying mechanism, a first supporting mechanism, a first bamboo rod driving mechanism, a bamboo outer skin and bamboo joint removing mechanism, a second supporting mechanism, a second bamboo rod driving mechanism, a third supporting mechanism and a second conveying mechanism from front to back; the first conveying mechanism and the second conveying mechanism are used for conveying a bamboo rod from the front side of the frame to the rear side of the frame; the guide mechanism is used for guiding the directions for the bamboo rod; the first supporting mechanism, the second supporting mechanism and the third supporting mechanism are used for supporting the bamboo rod; the first bamboo rod driving mechanism and the second bamboo rod driving mechanism are used for driving the bamboo rod to rotate; and the frame is further provided with a bamboo joint detection mechanism for detecting the positions of bamboo joints on the bamboo rod. The device for removing the bamboo outer skin and the bamboo jointscan automatically remove the outer skin and the joints of the whole bamboo rod without manual cutting, both time and effort are saved, and the working efficiency is greatly improved.