11results about How to "Draw evenly" patented technology

The invention relates to the technical field of circuit board processing, in particular to a laser etching device for circuit board processing, which comprises a machine table and a laser etching head mounted above the machine table through a gantry sliding table, and square frames are symmetrically attached to the upper end of the machine table. When the laser etching machine is used for etching a circuit pattern on a circuit board, circuit boards with different sizes can be stably clamped from the upper end edge and the two side edges of the circuit board, and when a laser beam of the laser etching head is used for etching the circuit pattern on the edge of the circuit board, each clamping part can flexibly keep away from the laser beam, so that the circuit board can be stably clamped. And each clamping part can clamp the circuit board again when the laser beam moves, so that the stability of the circuit board is ensured while the clamping parts are prevented from being damaged by high temperature, and the etching of the circuit board is prevented from being influenced. When the laser etching machine is used for etching circuit patterns on a circuit board, generated smoke can be uniformly sucked away from the two sides and cannot drift upwards to interfere with a laser etching head.

The negative-pressure low-temperature drying equipment comprises a cabinet body, a sealing door is hinged to the front side wall of the cabinet body through a hinge, a plurality of heating plates are arranged on the inner side wall of the cabinet body, a drawing plate is slidably connected to the lower side of the interior of the cabinet body, and a supporting frame is rotatably connected to the front side of the drawing plate through a rotating shaft; the upper side of the supporting frame is rotationally connected with a rotary drying device for conducting rotary drying on materials through a rotating shaft, two inclined driving devices for driving the rotary drying device are arranged on the rear side of the rotary drying device, and the inclined driving devices are arranged on the rear side of the interior of the cabinet body in a bilateral symmetry mode. The rotary drying device comprises a first rotary disc, a second rotary disc, a rotary rod, a rotary frame, a spring plunger, a material frame and an auxiliary roller. By means of the mode, materials can be continuously and evenly heated, water vapor in the cabinet body can be evenly absorbed, and the material frame can be rapidly locked to be taken and placed.

The negative pressure liposuction device comprises a machine shell, a liquid storage pipe and a collecting pipe are installed at the bottom of the side face of the machine shell, a liquid injection opening is formed in the surface of the machine shell, a suction pump is installed at the back end of the machine shell, a connecting pipe is connected between the suction pump and a cover plate at the top end of the collecting pipe, and a top plate slides in the liquid storage pipe. According to the device, through the arrangement of the top plate, the adjusting pipe, the electric push rod and the suction force adjusting mechanism, the suction force in an area with more or less fat is adjusted according to the input amount of the swelling liquid, and fat tissues can be separated and liquefied more effectively by increasing the input amount of the swelling liquid in the area with more fat; the suction process is smoother, fat can be sucked more quickly through large suction force, the operation time is shortened, and the risk of injury to subcutaneous tissue can be reduced by reducing the input amount of swelling liquid and the suction force in an area with the small fat amount.

The utility model discloses a device for producing steam by utilizing reaction heat generated by converting molecular hydrogen into atomic hydrogen. The device comprises a catalyst reaction device, a steam generator and a mixed gas tank, the mixed gas tank is filled with H2 and H2S mixed gas, an outlet of the mixed gas tank is communicated with the catalyst reaction device through a pipeline, and a compressor is arranged in a connecting pipeline between the mixed gas tank and the catalyst reaction device; the mixed gas of H2 and H2S in the mixed gas tank is input into the catalyst reaction device through the compressor; and the outlet of the catalyst reaction device is communicated with the inlet of the steam generator. According to the utility model, molecular hydrogen and H2S are heated to more than 310 DEG C, the molecular hydrogen is converted into atomic hydrogen through a thermal catalyst, and then the atomic hydrogen flows through the metal surface of the steam generator to be recombined into the molecular hydrogen and release a large amount of heat to generate steam, so that the atomic hydrogen is converted into a unique energy source.

The utility model discloses a heat radiation structure and a power module, the heat radiation structure comprises a housing and a cover body, the housing is internally provided with an accommodating cavity, and the accommodating cavity is provided with an opening; the cover body detachably covers the opening to seal the containing cavity, the containing cavity comprises a liquid inlet area, a heat dissipation area and a liquid outlet area, the liquid inlet area, the heat dissipation area and the liquid outlet area all extend in the first direction, and in the second direction perpendicular to the first direction, the liquid inlet area and the liquid outlet area are located on the two sides of the heat dissipation area respectively; the length of the containing cavity in the first direction is larger than that in the second direction. According to the heat dissipation structure provided by the embodiment of the utility model, the temperature of the cooling liquid in the heat dissipation area can be better ensured to be more uniform, so that the heat of the to-be-dissipated pieces can be more uniformly absorbed, one to-be-dissipated piece is uniformly dissipated, or a plurality of to-be-dissipated pieces are better dissipated, and the to-be-dissipated pieces are effectively protected.

This utility model discloses a centrifugal balancing device for blood component preparation, relating to the technical field of centrifugal balancing devices. It includes: a workbench; a balance body disposed at the top of the workbench; two sets of balancing components symmetrically disposed at the top of the balance body; an extraction component disposed at the top of the balancing components; a locking component disposed on the outside of the extraction components for disassembly and maintenance; and a limiting component disposed on the top outside of the extraction components. This utility model, through the coordinated arrangement of the workbench, balance body, balancing components, extraction components, locking components, and limiting components, not only enables centrifugal balancing of blood collection bags but also significantly improves the balancing accuracy of the blood collection bags before centrifugation. Furthermore, disassembly facilitates the recycling and reuse of the balancing solution and the maintenance of the device.

This invention relates to a multi-substrate painting swirl stick and its preparation method. The multi-substrate painting swirl stick includes sodium hydroxide, stearic acid, myristic acid, potassium stearate, and nano-silica. In this invention, sodium hydroxide reacts with stearic acid to form sodium stearate, and sodium hydroxide reacts with myristic acid to form sodium myristate. Sodium stearate, sodium myristate, and potassium stearate together form a composite hydrogel soap-based system. Nano-silica acts as heterogeneous nucleation sites, guiding the formation of a microcrystalline network structure during the formation of the composite hydrogel soap-based system. During application, this microcrystalline network structure can achieve controllable interlayer slippage under shear force, thereby resulting in good adhesion, good color development on smooth material surfaces, minimal flaking, uniform color application, strong hiding power, and smooth painting.

The invention discloses a motor rotating speed real-time measurement system based on an electrically tunable signal, and relates to the field of motor measurement systems. The motor rotating speed real-time measurement system based on the electronic speed control signal comprises a signal acquisition module, a data processing module, a data analysis module and a display interaction module. According to the motor rotating speed real-time measurement system based on the electronic speed control signal, a system integrating signal acquisition, data processing, data analysis and display interaction is constructed, and the system starts from pulse signal capture by a hardware sensor to final generation of a graphical performance evaluation report, so that high-precision real-time measurement of the motor rotating speed is realized, and the real-time measurement of the motor rotating speed is realized. More importantly, the original pulse signal is converted into a performance evaluation index with direct engineering significance and an intuitive rotating speed change curve, so that the performance of the electronic speed controller is systematically and visually presented, and the accuracy of monitoring and evaluation is improved.

The utility model discloses product dispensing equipment with a dispensing head cleaning function, which comprises a base, a multidirectional moving component is mounted at the top of the base, a dispensing mechanism is mounted on the multidirectional moving component, the dispensing mechanism comprises a dispensing head main body and a glue tube, the dispensing head main body is mounted at the bottom of the glue tube, and the dispensing head main body is mounted on the bottom of the glue tube. A rotating mechanism is mounted on the outer wall of the top of the base, a mounting plate is fixed to the output end of the rotating mechanism, and a winding assembly for winding the cleaning cloth strip is mounted on the top of the mounting plate. By arranging the heating ring, heat generated by the electric heating wire inside the heating ring is utilized to soften dried residual glue at the bottom of the glue dispensing head main body when the residual glue is cleaned, so that the residual glue is more easily absorbed by the cleaning cloth strip, and the rotating mechanism drives the cleaning cloth strip to rotate along the bottom of the glue dispensing head main body, so that the residual glue can be more uniformly absorbed; the glue dispensing head main body is effectively prevented from being blocked after the residual glue is dried, and the normal proceeding of subsequent glue dispensing operation is ensured.

The utility model discloses a kind of high-quality printing and dyeing drying devices for regenerated fiber cloth, it is related to printing and dyeing drying technical field, including drying cylinder, the bottom end of drying cylinder is fixedly connected with liquid collecting seat, further include: liquid pressing subassembly, liquid pressing subassembly includes the guide frame fixedly connected on drying cylinder, the bottom end of guide frame is rotatably connected with sponge roller, guide frame is slidably connected with pressing block, the top end of pressing block is fixedly connected with top rod, spring is arranged between pressing block and guide frame, the device can be used with spring can cooperate with the limiting of guide frame to pressing block, make pressing block extrude cloth to sponge roller, so that excess dye liquor on cloth is pressed into sponge roller, and by the rotation of rotating shaft, make main turntable and first belt and vice turntable cooperate, make sponge roller evenly suck the dye liquor squeezed in cloth, it is beneficial to the excess dye liquor in cloth and is pressed out, to improve the drying efficiency of cloth in this way.

The invention discloses a vacuum liquid suction device and an extraction drying device.The vacuum liquid suction device comprises a liquid suction roller, and the liquid suction roller comprises a hollow outer roller and an inner roller which are coaxially arranged; the inner roller is located in an inner cavity of the hollow outer roller, an annular liquid suction cavity is formed between the outer wall of the inner roller and the inner wall of the hollow outer roller, liquid suction holes communicated with the liquid suction cavity are evenly distributed in the hollow outer roller, and the liquid suction cavity in a negative pressure state can form a negative pressure adsorption microenvironment at inlets of the liquid suction holes; and the liquid suction roller in contact with the diaphragm can adsorb the extraction liquid on the surface of the diaphragm under negative pressure. The extraction drying device comprises a vacuum liquid suction device arranged between the liquid level of the extraction liquid and drying rollers, and the liquid suction rollers arranged in pairs make contact with the front face and the back face of the diaphragm correspondingly so as to adsorb the extraction liquid on the front face and the back face of the diaphragm through negative pressure. Through the innovative micropore design and the negative pressure adsorption technology, the consistency of the diaphragm surface defect and the diaphragm is remarkably improved, and the product yield is increased.