18results about How to "Low flatness" patented technology

The application provides a method for post-processing of a photosensitive resin component, and belongs to the technical field of photosensitive resin, and comprises the following steps: immersing the photosensitive resin component into a solution to obtain an intermediate; and sequentially performing atomization treatment and solidification on the intermediate to complete the post-processing. The photosensitive resin component is placed in an atomized environment for photocuring, the surface properties of the component are improved, the adhesion of the model surface is reduced to a certain extent, the surface color of the original component is changed, the surface smoothness is increased, the surface quality of the component after solidification is improved, the surface protection effect of the component is achieved, and the service life of the photosensitive resin component is prolonged.

The invention belongs to the technical field of iron tower welding, and discloses an iron tower steel structure welding fixing tool which comprises a workbench, when a bearing frame plate vertically ascends and descends, the distance between the bearing frame plate and a square strip can be close or away, and generated extrusion force and traction force are generated; a rotating plate drives a sliding block to slide back and forth on the inner wall of a sliding hole formed in the top of a bearing frame plate, the sliding block drives an L-shaped rod and a positioning shell to move back and forth, the positioning shell drives a positioning roller to move back and forth, the positioning roller can extrude the side faces of the steel plates in the moving process, and therefore the angle between the two steel plates is adjusted and controlled; and it is ensured that the steel plate can be located at the correct relative angle in the welding or assembling process. The precise angle regulation and control are of great importance for ensuring the stability of structural parts, reducing errors and improving the assembly precision. And the production line can process various welding tasks of different types more flexibly, the types of welding items are expanded, and the diversity of products is improved.

The utility model discloses a kind of plastic film production flat devices, including first side plate and second side plate, first side plate and second side plate are rotatably connected with first roller support and second roller support, first roller support is used to receive external barrel material, second roller support groove end is provided with preliminary roller, first side plate and second side plate are rotatably connected with a group of surface compression roller, three groups of driven roller and a group of transmission roller, plastic film on external barrel material is S-shaped in turn through preliminary roller, surface compression roller, driven roller and transmission roller, first pulley is rotatably connected with second side plate side wall, first pulley one end is fixedly connected with surface compression roller shaft end;The utility model can apply uniform pressure to plastic film, effectively eliminate the wrinkle and unevenness of film surface, improve the flatness and quality of film, adopt double drive system, ensure that power is stable in the operation process of device, reduce the film transmission jam or uneven problem caused by insufficient power.

The utility model discloses a kind of wood furniture processing is glued with pressure device, including support frame, the upper end of support frame is provided with pressure equalizing mechanism, pressure equalizing mechanism includes support plate, press roll and transmission roller, transmission roller is provided with press roll above support plate top, the gap between press roll and transmission roller is adjusted by adjusting limit nut and screw rod, adapt to the board of different thickness, the left side of pressure equalizing mechanism is provided with pressure equalizing mechanism, pressure equalizing mechanism includes conveying assembly and booster assembly, conveying assembly includes mounting bracket and gyro wheel conveyor belt, mounting bracket is installed on the left side of support frame, gyro wheel conveyor belt is installed on mounting bracket, the wood furniture processing is glued with pressure device and is additionally provided with pressure equalizing mechanism and pressure equalizing mechanism, pressure equalizing mechanism avoids wood board surface damage by uniform preliminary pressure, and pressure equalizing mechanism ensures that wood board is uniformly stressed after stacking by accurate booster pressure, finally improve the gluing quality and overall stability of wood board.

The utility model discloses a kind of semiconductor polishing liquid anti-deposition devices, including the storage tank for storing semiconductor polishing liquid, the side surface of the storage tank is equipped with circulation conveying component for semiconductor polishing liquid circulation, rotating drive component is installed on the position of the storage tank and corresponding the circulation conveying component, the bottom of the storage tank is also equipped with agitating component for semiconductor polishing liquid agitation, the circulation conveying component includes fixedly connected in the bottom of the side surface of the storage tank circulation pump, conveying pipe is installed on the circulation pump, rotatable annular pipe is connected to the other end of the conveying pipe.The utility model is by circulation pump and is sent to annular pipe by conveying pipe in the storage tank polishing liquid and is evenly sprayed by spray head, positive and negative rotation motor drives driving link to make annular pipe reciprocating rotation expand spraying range, while agitating motor drives agitating blade to agitate the polishing liquid in the storage tank, ensure its uniform distribution.

The present application relates to the technical field of millimeter wave communication, and particularly relates to a V / W wave band low-loss metal waveguide and a preparation method thereof. The preparation method provided by the present application combines metal additive manufacturing, inner wall conductive metal deposition, super-smooth inner surface polishing and external single-point diamond turning technology. The waveguide manufactured by the composite process chain comprises an aluminum-magnesium (zirconium) alloy waveguide structure manufactured by laser beam melting additive manufacturing, a copper (silver) inner wall coating deposited by chemical reduction plating technology, an inner wall surface with a roughness of less than 50 nm Ra processed by abrasive flow machining, and a self-aligning flange with a flatness of less than 0.1 microns and a butt joint surface roughness of less than 20 nm Ra processed by super-precision machining. The present application improves the electrical performance, thermal interface consistency and assembly accuracy. The preparation method of the present application solves the problems of high insertion loss of the existing waveguide structure in high-frequency applications, high-cost mode coupling caused by large structural assembly errors, uncontrollable inner wall roughness and the like.

The small modular hanging basket system comprises a self-stabilizing type guide framework composed of an outer guide framework and an inner guide framework, and a hanging basket is arranged on the inner side of the self-stabilizing type guide framework and slides through a guide wheel assembly; the driving motor and the control electric box are integrated on the hanging basket and synchronously ascend and descend along with the hanging basket; an anti-top-rushing limiting switch and a load limiting tension switch are arranged on the top, double safety protection is achieved, a segmented framework, an adjustable support, a mechanical door lock and a falling protector are adopted in the system, ground rails or inclined struts are not needed, and the system adapts to narrow and uneven sites.

This application relates to the field of mechanical parts processing technology, specifically disclosing a grinding device for excavator parts, including a main body and a grinding robotic arm. The grinding robotic arm is provided on the outer surface of the main body. The grinding robotic arm includes a robotic arm, a drive motor, and a grinding disc. The output end of the drive motor is sleeved with the grinding disc. This invention can clean the worktable in a timely manner through a dust removal component, preventing debris from affecting subsequent grinding work, ensuring that the parts are placed stably and positioned accurately. Keeping the worktable clean reduces the flying of debris and dust, improves the working environment, and protects the respiratory health of operators. The clamping component can stably clamp the parts, and can promptly issue an alarm when the parts deviate in the clamp, preventing unqualified products from entering the market. In addition, it can detect the parallelism of the clamping arm and issue an alarm when the clamping arm tilts, preventing uneven distribution of clamping force during grinding.

The utility model relates to the technical field of film laminating equipment, and discloses plastic packaging box film laminating equipment which comprises a supporting bottom plate, a heating and cooling mechanism is fixedly connected to the interior of a first supporting base and the interior of a second supporting base, and a cooling fan is fixedly connected to the side, away from the second supporting base, of the second supporting base. A heating fitting column is rotatably connected to the interior of the heat dissipation fan, a cooling plate is fixedly connected to the top side of the interior of the second supporting base, and supporting connecting plates are fixedly connected to the interiors of the two sides of the second supporting base. According to the utility model, through the heat dissipation fan and the heating fitting column, rapid film laminating and fitting on the surface of the plastic box are realized under different conditions, the cooling plate and the heat dissipation holes work cooperatively, heat is absorbed and dissipated effectively, the electric telescopic column and the rolling column further flatten the surface of the plastic box, the film laminating and fitting quality is improved, and the production efficiency is improved; and it is ensured that the surface of the plastic box reaches the optimal flatness and attractiveness after being cooled.

The utility model provides a packaging plate, and relates to the technical field of packaging. The packaging plate is provided with a first surface and a second surface which are arranged in parallel in the thickness direction of the packaging plate, at least one side face of the packaging plate is provided with a step part, the end face, parallel to the first surface or the second surface, in the step part is a cutting face, and the packaging plate is used for cutting along the cutting face. Cutting size calibration and debugging, batch cutting and visual detection are directly carried out along the cutting face of the packaging plate, the cutting flatness can be well guaranteed, and the cutting sizes of the packaging plates corresponding to different identifications, cutting size calibration and debugging without a measuring tool and quality detection are achieved.

The utility model discloses a film coating device for dairy product packaging bag production, which comprises a supporting table, a conveying belt is mounted at the top of the supporting table in a transmission manner, first vertical plates are mounted on the front side and the rear side of the left end of the top of the supporting table, and film coating rollers are mounted on the inner sides of the first vertical plates. The height of the film spraying roller can be conveniently adjusted through the threaded connection of the adjusting screw rod and the fixing frame, the film spraying device can adapt to packaging materials with different thicknesses, the universality of the device is improved, the film pressing roller can compact packaging bags after the packaging bags are subjected to film spraying through the cooperation of the supporting spring and the lifting frame, the phenomena of bubbles and unevenness are effectively reduced, and the production efficiency is improved. According to the packaging bag film spraying device, the film spraying quality is improved, the drying assembly is matched with the draught fan and the heating box, the air outlet pipe is reasonably arranged, packaging bags subjected to film spraying can be rapidly dried, the production efficiency is improved, meanwhile, the stability of the drying temperature is guaranteed through the arrangement of a temperature sensor, and the drying quality of the packaging bags is guaranteed.

The utility model discloses a copper bar sleeve cutting equipment, aims at providing a kind of copper bar sleeve cutting equipment which is not only easy to operate, can guarantee the cutting flatness of copper bar heat shrink sleeve;And simple structure, easy to make, can save the production cost of a kind of copper bar sleeve cutting equipment. It includes: callipers, including two clamping pincer arms;Two pedestals, fixed on clamping pincer arm one by one, copper bar overpass is formed between two pedestals;Two cutting assemblies, with pedestal one by one, including the moving piece of sliding setting on corresponding pedestal, sleeve cutter of sliding setting on moving piece and the spring of driving sleeve cutter to move to copper bar overpass side;Push-pull piece is connected with the moving piece of two cutting assemblies, and moving piece is pushed to move.

The application discloses a kind of flat cutting processing equipment of heat dissipation substrate, hanging cylinder mechanism, for string hanging steel roll and through drive mechanism control the rotation speed of hanging cylinder rod controls feed speed;Loading mechanism is used to the handling of steel roll and is hung in hanging cylinder rod;First rolling mechanism is used to the rolling of steel roll, to reduce the ups and downs and unevenness of steel roll surface;Second rolling mechanism is used to further provide the surface flatness of steel roll;Cutting mechanism includes main frame, sliding rod, first cutting blade and second cutting blade;The cutting mechanism changes the interval of first cutting blade according to the cutting size requirement, and cuts the flattened steel roll by first cutting blade, and cuts the part that has been cut by second cutting blade.The application can cut copper roll after flattening, and the cutting size can be adjusted according to the requirement, to improve the production efficiency.

The utility model relates to the field of apartment bed, disclose a kind of plastic bed board apartment bed, including a kind of plastic bed board apartment bed, including bedstead, bed board, support rod, sleeve, movable plate, rotating plate, telescopic link, end head plate, presser plate;The support rod is fixedly connected with bedstead, and the bed board is placed at support rod top;The sleeve is fixedly connected at bed board bottom, and the sleeve is located between two adjacent support rods;The movable plate is movably connected with sleeve, and the rotating plate is rotatably connected with movable plate;The telescopic link is movably connected at the side of rotating plate far from rotating end, and the end head plate is fixedly connected with the end of telescopic link far from rotating plate;The presser plate is rotatably connected at the side of end head plate close to bed board by torsional spring.The utility model fixes bed sheet and mattress by presser plate without damaging bed sheet, to prevent bed sheet and mattress from being wrinkled and rolled up, which leads to the decrease of bed surface flatness.

The utility model belongs to the technical field of coal mining equipment, concretely relates to the transition support car of roadway self -propelled auxiliary train, including seat body (1), still include: the fixed setting of connecting seat (3) in seat body (1) walking direction at least one end, and the telescopic stand (4) of connecting seat (3) connection. The utility model discloses the telescopic stand (4) of setting in transition support car both ends, can be in the low gravity center position of seat body (1) to transition support car and carry out traction, and the stability is strong, and through telescopic buffer traction force prevents the impact of transition support car gravity center and leads to instability.

The utility model discloses a multi-roller rolling device for copper foil and aluminum foil, which relates to the technical field of rolling devices and comprises a mounting frame, six driving gears are fixedly connected to one side of the mounting frame and are arranged in sequence, six driven gears are fixedly connected to one side of the mounting frame and are arranged in sequence, and the driven gears are arranged in sequence. The driven gear is located above the driving gear, the driven gear is in meshed connection with the driving gear, twelve rubber metal composite rollers are arranged on the inner side of the mounting frame, the rubber metal composite rollers are sequentially arranged, one side of the driving gear and one side of the driven gear are fixedly connected with connecting piles, and the other side of the driving gear and one side of the driven gear are fixedly connected with the connecting piles. The multi-roller rolling device for the copper foil and the aluminum foil is reasonable in structural design, the rolling rollers can be prevented from axially shaking under the action of dynamic rolling force in the rolling process, and the rolling rollers can be prevented from axially shaking under the action of the dynamic rolling force in the rolling process.