13results about How to "Improve surface cleanliness" patented technology

The utility model discloses a cold rolling mill entrance side plate face residual foreign matter cleaning device, including the support plate between the installation of coiled material and rolling mill, the support plate is located the downside of rolling mill entrance side strip, the upper surface of support plate near coiled material one end is installed with the guide roller, the upper surface of support plate near rolling mill one side is installed with the thickness gauge support, and support plate near the upside rotation of thickness gauge support part is provided with the air curtain board, the bottom of air curtain board is provided with the air outlet. The device adopts the air curtain board structure of rotatable, can prevent rolling oil reverse flow to the downside of thickness gauge to guarantee the accurate measurement of thickness gauge, can also clean the surface foreign matter such as aluminium powder, dust of the three circle plate face residual of incoming material coiled material, thereby improves the surface cleanliness and quality of finished strip, and the whole device mode switching is simple, and the adaptability is extremely strong, need not to increase the redundant equipment, and the occupied space is small, and the maintenance is convenient.

The invention discloses aluminum plate strip processing surface washing decontamination equipment, and belongs to the technical field of aluminum plate strip processing, the aluminum plate strip processing surface washing decontamination equipment comprises a washing tank, two ends of the washing tank are provided with openings for an aluminum plate strip to penetrate in and out, a partition plate is fixedly arranged in the washing tank, and the interior of the washing tank is divided into a scrubbing bin and a rinsing bin by the partition plate; a plurality of first guide rollers are rotationally connected into the scrubbing bin and the rinsing bin, a drying assembly for drying the aluminum plate strip is arranged at an opening in one end of the washing tank, and a filtering assembly for treating sewage is arranged on the rear side of the washing tank. Floating dust and impurities are stripped through high-pressure spraying of the spray head, stubborn stains are removed through mechanical brushing of the brush, deep purification is conducted through the rinsing bin, continuous operation is conducted in the whole process, the surface cleanliness and cleaning uniformity of the aluminum plate strip are greatly improved, and the high-precision surface treatment requirement is met.

This invention relates to a precision processing method for photolithographic mask substrates, comprising: cleaning the photolithographic mask substrate blank using single-slot multi-frequency ultrasonic cleaning; polishing the photolithographic mask substrate blank to its full aperture using a planetary double-sided polishing machine to obtain a preliminary photolithographic mask substrate shape; rapidly removing the shallow damaged layer of the preliminary photolithographic mask substrate shape by high-frequency vibration etching with a hydrofluoric acid mixture; correcting the surface shape of the preliminary photolithographic mask substrate shape and removing surface defects using a double-sided polishing machine; detecting the double-sided surface shape of the preliminary photolithographic mask substrate shape after surface defect removal using a laser interferometer; deterministically correcting local surface shape errors of the preliminary photolithographic mask substrate shape through sub-aperture polishing; and controlling the surface roughness of the corrected preliminary photolithographic mask substrate shape to the sub-nanometer level using an ultra-smooth polishing process to obtain the photolithographic mask substrate. This method reduces the number of traditional iterative polishing cycles, shortens the processing cycle, and avoids surface damage caused by traditional long-term mechanical grinding.

The application discloses a cooling device for potato processing and belongs to the technical field of food processing, which comprises a groove body, liquid inlet pipes and liquid outlet pipes arranged on the groove body, a conveying assembly arranged in the groove body, a receiving groove, a cleaning assembly, a filtering assembly and a water control assembly, the receiving groove is arranged in the groove body, a filter screen is arranged in the receiving groove, and a discharge port is arranged on the receiving groove; the cleaning assembly is communicated with the groove body, the receiving groove is communicated with the groove body, and the water control assembly is arranged above the conveying assembly. The potato raw materials in the receiving groove can be washed and the impurities such as chippings, skins and starches adhered to the surfaces of the potato raw materials can be removed through the cleaning assembly, so that the potato raw materials can be uniformly cooled without adhering impurities on the surfaces, the surface cleanliness of the potato raw materials after the cooling treatment is improved, the hardness of the potato raw materials after frying or baking processes is uniform, the edible taste of the finished products is ensured, and the pollution speed of the cooling water in the groove body is slowed down.

The utility model discloses a rubber molding, cooling and winding device which comprises a cooling water tank, an air drying mechanism and a winding mechanism, the air drying mechanism comprises a first supporting frame, an air drying box arranged on the supporting frame and an air blower communicating with the air drying box. The air blower laterally communicates with the air drying box and is used for blowing the upper and lower surfaces of the rubber part; the winding mechanism comprises a second supporting frame, a motor arranged on the second supporting frame and a winding frame in transmission connection with the motor. The mode that the cooling water tank, the air drying mechanism and the winding mechanism are sequentially arranged is adopted, the rubber part is primarily cooled through the cooling water tank, residual water on the surface of the rubber part is effectively purged through the air drying mechanism, and the rubber part is wound in order through the winding mechanism; the purposes of rapid cooling, full drying and automatic rolling of the rubber formed product in the continuous machining process are achieved, and therefore the technical effects that the production efficiency is improved, the surface cleanliness of the rubber product is improved, and the automatic machining capacity is enhanced are achieved.

The present application relates to the technical field of floor mat processing equipment, in particular to a floor mat calendering and laminating device, comprising a unwinding mechanism, a surface layer preheating mechanism, a laminating mechanism, an exhaust mechanism and a backing preheating mechanism, the unwinding mechanism comprises air inflation shaft one and base one, the two bases one are distributed in front and back, the upper end of the base one is provided with air inflation shaft one, the surface layer preheating mechanism comprises ion wind rod, preheating groove one, ion wind rod holder and support two, the two bases one are placed with base two, the upper surface of the base two is fixedly connected with ion wind rod holders which are symmetrically distributed left and right, the upper and lower ends of the two ion wind rod holders are fixedly connected with ion wind rods, and the air inlets of the ion wind rods are communicated with external air pumps. The floor mat calendering and laminating device preheats the surface layer and the backing of the floor mat respectively, and the negative pressure adsorption mechanism actively draws away the air between the two layers of materials, thereby improving the product yield and production efficiency.

This invention discloses a semi-trailer logistics van that utilizes solar energy for auxiliary power. It includes a tractor unit and a semi-trailer frame connected together. Hub motors are installed in the driven wheels at the bottom of the semi-trailer frame, providing auxiliary power to the semi-trailer. Working in conjunction with the tractor unit, this enhances the vehicle's ability to navigate challenging road conditions such as inclines and declines. After the tractor unit separates from the semi-trailer, the semi-trailer can turn and move due to the speed difference between the hub motors on both sides. It can autonomously move to a designated loading / unloading position after detaching from the tractor unit, eliminating the need for reversing or other maneuvers on the tractor unit. The tractor unit simply pulls the semi-trailer to the vicinity of the designated loading / unloading position, thus improving loading and unloading efficiency to a certain extent. A generator housing with solar panels is also installed on the trailer, providing the necessary electrical energy to the hub motors and other power components, effectively increasing the vehicle's driving range. The generator housing also includes a cleaning drum, allowing the solar panels to be moved to the cleaning drum for cleaning, improving surface cleanliness and ensuring power generation performance.

The present application relates to a kind of TR assembly package high thermal conductive eutectic medium temperature solder and foil strip preparation method, belong to microelectronic system packaging field.The solder composition: Sb 10.5~12.5wt%, Sn 0.5~2.0wt%, Ag 0.1~0.5wt%, Cu 0.1~0.5wt%, Pd 0.05~0.2wt%, Ni 0.05~0.2wt%, In 0.01~0.1wt%, P0.002~0.01wt%, the balance is Pb.Its foil strip preparation method includes raw material selection and intermediate alloy preparation, non-vacuum medium frequency induction melting, fast cooling horizontal casting and isothermal rolling step.The alloy melting point is moderate, has high strength, high thermal fatigue and high thermal conductivity etc.;Alloy foil composition is uniform, IMC is small, surface is clean, and the yield is high, satisfies the multistage packaging demand of TR assembly in microelectronic system.

The application discloses a feeding mechanism for microcrystalline tin ball processing and relates to the technical field of feeding equipment. The feeding mechanism comprises a base, a conveying mechanism is arranged on the base, the conveying mechanism comprises a transfer cylinder, the transfer cylinder is rotationally connected with the base, a plurality of through holes arranged in a ring shape and at equal intervals are formed in the transfer cylinder, a side plate is arranged on one side of the transfer cylinder, the side plate is in an arc shape and is fixedly connected with the base, the shortest distance between the upper end of the side plate and the transfer cylinder is equal to the radius of the outer opening end of the through hole, a plurality of felts arranged in an arc shape and at equal intervals are arranged on the side of the transfer cylinder close to the side plate, a plurality of metal springs are uniformly and fixedly arranged on the side of the felt away from the transfer cylinder, and the upper end of the metal spring is fixedly connected with the side plate. The feeding mechanism can screen and optimize tin balls during the feeding process, ensures that the output tin balls are high-quality tin balls with high size consistency, good surface cleanliness and strong internal structure integrity, effectively improves the feeding efficiency and the production efficiency, optimizes the screening step and ensures the yield of the tin balls.

The application discloses a high-temperature-resistant polyvinyl chloride insulated cable and a production device thereof, and relates to the technical field of cable production. The device comprises a feeding mechanism, an abrasive mechanism and an extrusion mechanism. The feeding mechanism is used for releasing a single conductor. The abrasive mechanism is used for brushing the surface of the conductor in the axial direction. The extrusion mechanism is used for extruding a sheath on the surface of the conductor. The device further comprises a blowing mechanism, which comprises a shell, an impeller disc and a gas distribution disc. The outer edge of the impeller disc is connected with the inner wall of the shell through a bearing. The outer edge of the gas distribution disc is attached to the inner wall of the shell. A gas conveying pipe is arranged between the gas distribution disc and the side wall of the shell. The middle part of the impeller disc is provided with a first perforation, and the first perforation is provided with a brush hair wrapped around the conductor. The application has the characteristics of improving the cleanliness of the conductor surface and the adhesion effect of the sheath on the conductor surface.

The invention discloses a transmission electron microscope sample preparation device and method based on supercritical fluid dispersion. The method comprises the following steps: placing a dried molecular sieve to be detected in a high-pressure treatment unit; fixing a transmission electron microscope grid in a porous support structure, and suspending the support structure in the high-voltage processing unit; the high-pressure treatment unit is sealed, fluid is introduced, the temperature and the pressure are increased to a supercritical state, and under the stirring and / or fluid forced circulation condition, the molecular sieves and the fluid are in full contact and flow and are directly dispersed and adsorbed on the carrying net. By utilizing the characteristics of the supercritical fluid, in-situ direct dispersion and adsorption of the sample on the carrier net and synchronous cleaning of the molecular sieve sample are realized, and the method has the advantages of uniform dispersion, no organic solvent residue, high sample cleanliness, capability of effectively weakening the electron beam induced carbon deposition effect and the like.

This invention discloses a PS carrier tape with an intermediate barrier structure and its preparation method, belonging to the field of electronic packaging materials technology. The PS carrier tape includes an upper surface layer, an intermediate layer, and a lower surface layer. The upper and lower surface layers are antistatic black material layers containing small molecule additives, and the intermediate layer is a modified polystyrene layer containing dispersed nanosheet barrier materials and nucleating agents. This invention introduces nanosheet barrier materials and nucleating agents into the intermediate layer, utilizing their synergistic effect to form a barrier effect and dense crystalline regions, effectively inhibiting the migration of small molecule additives from the upper and lower surface layers to the die opening, thus reducing die opening material accumulation at the source. Compared with existing technologies, this invention significantly reduces the surface defect density of the carrier tape and the quality of die opening material accumulation, while maintaining or improving tensile strength and antistatic properties, greatly extending the downtime cleaning cycle, improving production efficiency and product yield, and is suitable for surface mount packaging of high-end electronic components.

This utility model provides a CCS module and a battery pack. The CCS module includes a substrate and a conductive busbar. The conductive busbar is disposed on the substrate. A connection structure is formed on the surface of the substrate facing the conductive busbar. A mating structure is formed on the conductive busbar. The connection structure and the mating structure are interlocked. By adopting a connection structure integrally formed with the substrate and a mating structure integrally formed with the conductive busbar, the surface cleanliness of the CCS module is improved.