8results about How to "Improve product surface quality" patented technology

This utility model relates to a dust removal device for the surface of metal molds, belonging to the field of mold processing technology. The device includes an upper mold, a lower mold, and a dust removal assembly, which consists of a left and right drive mechanism and a dust removal mechanism. The dust removal mechanism includes an air collection box, which contains three non-communicating air collection chambers: a first air collection chamber, a second air collection chamber, and a third air collection chamber. The second air collection chamber blows air through a blowing hole to clean the mold cavity, while the first and third air collection chambers create negative pressure to collect dust through suction holes. The air collection box also integrates an oil collection tank and a brush. Through coordinated control by a PLC control system, blowing, dust collection, and oil lubrication are automatically completed when the mold opens. This utility model solves the problems of low efficiency and cumbersome operation of existing manual dust removal methods, achieving efficient and high-cleanliness automated dust removal, thus improving product quality and mold life.

The invention belongs to the field of aluminum alloys, and particularly relates to an aluminum alloy for a resistor and a production process and application of the aluminum alloy for the resistor. Fe: less than or equal to 0.1%; less than 0.05% of Cu; less than 0.02% of V + Ti; and the balance of Al and inevitable impurity elements. By reasonably optimizing the raw material ratio of the aluminum alloy formula and finely controlling the temperature condition and the time condition in the cold rolling step and the annealing step, the components and the tissue are more uniform, the internal tissue structure is improved, the mechanical property is improved, and the rolling mechanical property meets the requirements that the tensile strength is larger than 170 MPa, the ductility is larger than or equal to 15.0%, and the elongation percentage is larger than or equal to 15.0%. And the mechanical requirements of aluminum alloy raw materials for resistors are met. In addition, five times of cold and hot alternate quenching are adopted, air holes and defects are further reduced, the porosity in the die casting can be reduced to 3.1% from original 8.8%, the hardness is improved to 131 HB from original 93 HB, and the machining and follow-up application requirements of the aluminum alloy raw material for the resistor are met.

The utility model relates to the technical field of punching dies, and discloses a deep taper hole product forming die which comprises an upper die base and a lower die base, an upper die plate is installed at the bottom end of the upper die base through an upper pressing plate, a lower die plate matched with the upper die plate in an adaptive mode is installed at the top end of the lower die base, and a blank body is arranged on the top face of the lower die plate. An electric telescopic rod is installed at the position, close to one side, of the top end of the lower die base, a liquid spraying pipe is installed at the tail end of a push rod of the electric telescopic rod, a connecting pipe is connected to the middle of the side, away from the lower die plate, of the liquid spraying pipe, and the end, away from the liquid spraying pipe, of the connecting pipe is connected with an air conveying pipe and an infusion pipe. Lubricating oil can be sequentially sprayed on the surfaces of the lower mold plate and the blank body through the connecting pipe, the liquid spraying pipe, the lower mold base and the blank body, so that friction between the blank body and the upper mold plate is reduced, the blank body is easier to deform in a cavity, and the probability that other defects such as scratches are generated on the surface of a blank is reduced.

The invention relates to the technical field of extruders, and discloses a phase change cooling temperature control device of an extruder, which comprises a heat pipe, and the heat pipe comprises a heat pipe condensation section, an evaporation section and a heat insulation section; the heat pipe evaporation section is located in the to-be-cooled structure and used for absorbing heat in the to-be-cooled structure so that an internal working medium can be converted into a gas state from a liquid state, and the gas state working medium flows into the heat pipe condensation section; and the cooling piece is arranged on the heat pipe condensation section and used for absorbing heat of a gaseous working medium in the heat pipe condensation section, converting the heat into a liquid state and enabling the liquid state to flow back to the heat pipe evaporation section. A phase change cooling temperature control device of an extruder is characterized in that a plurality of cooling ring sleeves are axially mounted on a barrel of the extruder, condensation sections of heat pipes are positioned in the cooling ring sleeves, evaporation sections of the heat pipes are positioned in the wall of the barrel of the extruder, and U-shaped heat pipes are of detachable structures and can be replaced with U-shaped heat pipes with different phase change temperatures according to different temperature control requirements. The heat conduction speed is high, efficiency is high, the temperature can be accurately controlled, and the product quality is improved.

The utility model relates to injection mold technical field discloses a motorcycle side plate production injection mold, including a motorcycle side plate production injection mold, including upper die and lower die, the upper die bottom fixedly connected with core, the core inside is provided with the ejection assembly, the ejection assembly includes a plurality of top plates, the top plate top all are fixedly connected with buffer disc spring, buffer disc spring top all are fixedly connected with the connecting plate, the connecting plate top all are provided with power component, power component output all are fixedly connected with the push rod, the push rod outer wall all are equipped with the extension spring. In the utility model, the connecting plate and buffer disc spring are moved with the push rod of hydraulic ware and top plate, and make the extension spring force stretch, and the top plate will be shaped side plate and lift to take and hold for the staff, reach the effect that the carbon fiber surface damage caused by top plate is avoided, solve the problem that traditional stripping ejector pin stress concentration leads to product damage, improve the product surface quality.

The utility model discloses a cold-drawing material collecting device relates to cold-drawing material collecting technical field, including base, the base top is provided with stand, be provided with the material collecting table on the stand, be provided with telescopic mechanism in the material collecting table, the top of material collecting table is provided with protection component, still be provided with the guide assembly between the stand with telescopic mechanism, through being provided with protection component and guide assembly, the top of material collecting table is provided with protection component, and protection component is polytetrafluoroethylene board, solves the product quality defect that the surface friction knock of steel pipe rolling process brought after the material, still be provided with the guide assembly between the stand with telescopic mechanism, and the telescopic mechanism inside material collecting table changes from original inside operation to telescopic mechanism telescopic end along the lower slot open type guide operation, solved the internal structure blind area jamming problem, this material collecting device improves the service life of material collecting frame after operation smoothly, ensures the improvement product surface quality, improved the service life of material collecting frame.

The utility model belongs to the technical field of copper and copper alloy processing equipment, and discloses a cleaning line for copper and copper alloy thin strip production, which comprises an uncoiling device and a coiling device which are arranged on a first layer, and a degreasing device, a pickling device, a fine brushing device, a passivating device and a drying device which are sequentially arranged on a second layer, a copper strip coil is sequentially subjected to uncoiling and threading, degreasing, acid pickling, fine brushing and grinding, passivating and coiling to complete cleaning. According to the device, degreasing, cleaning and passivating in strip production are integrated, and residual oil on the surface of the strip after annealing can be effectively cleaned.

The application discloses a high-strength steel coil inner circle indentation control method. The high-strength steel slab to be processed is subjected to hot rolling treatment to obtain a hot-rolled strip; the hot-rolled strip is subjected to ultra-fast cooling treatment to obtain a first cooling strip; the first cooling strip is subjected to laminar flow cooling treatment to obtain a second cooling strip; in the laminar flow cooling treatment, the laminar flow cooling treatment comprises first cooling treatment applied to a preset length region of the head of the first cooling strip and second cooling treatment applied to other regions of the first cooling strip; according to the hydraulic pressure increment of the pinch roll and the real-time roll gap increment, the biting time of the pinch roll is determined, and then the biting operation of the winding drum on the second cooling strip and the step control operation of the winding roll are performed, the winding treatment of the second cooling strip is completed, and a high-strength steel coil is obtained. According to the application, the inner circle indentation in the winding treatment process can be effectively eliminated.