36results about How to "Guaranteed polishing accuracy" patented technology

The invention provides a super-fine polishing process for metal products. The super-fine polishing process comprises the following steps of (1) cleaning the surfaces of the metal products with cleaning liquid; (2) performing first-time polishing on the surfaces of the metal products, and spraying the metal products with polishing liquid A in the first-time polishing process; (3) performing first-time washing on the metal products with deionized water after first-time polishing is completed; (4) performing second-time polishing on the surfaces of the metal products after first-time washing is completed, and spraying the surfaces of the metal product with polishing liquid B in the second-time polishing process; (5) performing second-time washing on the metal products with deionized water after the second-time polishing is completed; and (6) after second-time washing is completed, stoving and drying the surfaces of the metal products with hot air at 45 DEG C to 55 DEG C. The super-fine polishing process is specially used for polishing the side walls of the metal products of cylindrical structures, the polishing effect is improved, the polishing precision is ensured, dust avoiding andenvironment protection are achieved, and personal safety of an operator is guaranteed.

The invention relates to a polishing device for false tooth machining. The polishing device comprises a base, an installation seat which is placed on the base and is used for fixing a false tooth in the polishing process, a support fixed to the base and a grinding tool which is installed at the end, away from the base, of the support and is used for grinding the false tooth. The polishing device is characterized in that a magnetic worktable is arranged on the upper end face of the base; multiple concentric ring-shaped grooves are formed in the lower end face of the installation seat; magnets are arranged in the ring-shaped grooves; and a clamping mechanism used for clamping and fixing the false tooth is arranged on the installation seat. The polishing device has the effects that the relative position between the installation seat and the base is conveniently adjusted, and therefore the grinding process is more convenient.

The invention discloses a circular arc radius adjustable disc type air bag polishing head, and relates to air bag polishing tools. The disc type air bag polishing head is provided with adjusting screw rods, an annular air bag support, an annular elastic outer layer, an annular elastic inner layer, an elastic inner layer fixing sleeve, adjusting flanges, an air bag support fixing sleeve and a polishing material layer. The adjusting screw rods are provided with adjusting threaded sleeves and spindle connecting rods. The annular elastic inner layer is bonded with the elastic inner layer fixing sleeve, the elastic inner layer fixing sleeve is provided with a supporting plate, and the supporting plate is provided with a slotted hole. The elastic inner layer fixing sleeve and the annular elastic outer layer are integrally placed into a clamping groove of the adjusting flanges. The air bag support fixing sleeve enables the annular air bag support to be fixed on the adjusting flanges and to be closely matched with the adjusting flanges, and the annular elastic outer layer is directly arranged on the annular air bag support in an injection molding mode. The adjusting threaded sleeves are screwed into the two screw rods respectively, the spindle connecting rods are placed into the adjusting threaded sleeves, and the polishing material layer is bonded on the surface of the annular elastic outer layer. The air bag circular arc radius is adjustable, dynamic balance performance is good, and positioning accuracy and machining accuracy are improved obviously.

The invention provides a method for polishing and cleaning an optical lens and relates to the technical field of lens machining. The method for cleaning the optical lens is characterized by comprisingthe following steps of firstly, cleaning with an organic solvent; secondly, cleaning with water; thirdly, cleaning with a basic solution; fourthly, cleaning with water; fifthly, cleaning with an acidic solution; sixthly, cleaning with water; seventhly, ultrasonic cleaning; eighthly, cleaning with alcohol; ninthly, cleaning with water; and tenthly, vacuum drying. The method for polishing and cleaning the optical lens has the beneficial effects that the polishing method is simple in operation and high in efficiency; the facial form and polishing accuracy of the lens can be guaranteed; and the cleaning effect of the optical lens is improved by the cleaning method.

The invention relates to a polishing machine for a curved surface of a cam. The polishing machine comprises a machine frame (1), a polishing wheel device (2), a positioning wheel device (3), a cam clamp device (4) and a cam clamp rotating and gliding device (5), wherein a cam (A) is mounted on a scroll chuck (41) which slides and moves along with the cam clamp rotating and gliding device (5) under the action of a second counter weight (56), so that one side of the cam (A) is automatically adhered and leaned on a positioning wheel (34) of the positioning wheel device (3), and a connecting plate (24) of the polishing wheel device (2) slides and moves under the action of a first counter weight (28) so that a polishing wheel (27) and the other side of the cam (A) are automatically adhered and leaned to polish the curved surface of the cam (A). The polishing machine is convenient to use, good in polishing and processing precision and high in efficiency.

The invention belongs to the technical field of polishing devices and specifically relates to a polishing device for communication equipment production. The polishing device comprises a base, slide plates, a transmission unit and a polishing unit, wherein a workbench is disposed on the top end of the base; the slide plates are symmetrically and vertically installed on the base; the transmission unit comprises a pressing plate, a No. 1 gear, a No. 1 motor and a rack; the polishing unit comprises a No. 1 plate, No. 2 motor, a No. 2 plate, a rotation block and a polishing block; and the polishingblock is in rotatable connection to the bottom end of the rotation block, and a groove matched with the output end of the No. 2 motor is formed in the part, close to the output end of the No. 2 motor, of the polishing block. Through coordination of the base, the slide plates, the transmission unit and the polishing unit, communication devices of different shapes and sizes can be polished, so theuse effects and the use scope of the polishing device are increased; great convenience is brought to workers; and the working efficiency of the workers is increased.

The invention discloses a self-balancing PE ball core polishing machine. The machine is composed of a PE ball core clamping device and a polishing wheel feeding device, PE ball cores are respectivelyclamped on the left side and the right side of the PE ball core clamping device, the left side and the right side of the polishing wheel feeding device drive polishing wheels respectively, and synchronous polishing and feeding are conducted on the two PE ball cores. Due to the fact that the vibration force on the left side and the right side can be counteracted in the polishing process, meanwhile,the residual unbalanced force can be removed through pose adjustment of the arch-shaped support, and high-precision PE ball core polishing can be achieved without interference of the vibration force.In addition, the two PE ball cores are polished at the same time, and therefore the polishing efficiency is twice that of a traditional machine. The polishing machine has the characteristics of highefficiency and high precision, so that the polishing machine is applied to full-automatic polishing of the PE ball core, the production efficiency and the product quality grade of the PE ball core canbe greatly improved, and remarkable economic and social benefits are brought.

The invention discloses a constant-pressure polishing device for an aspheric optical element. The device comprises a rotating assembly which is used for arranging a workpiece and driving the workpiece to rotate, a polishing part which is in contact with the workpiece and is used for polishing the workpiece, a polishing shaft for arranging the polishing part, a first linear driving device which is connected to the rotating assembly and is sued for driving the rotating assembly to linearly move and driving the workpiece to axially move along the polishing shaft, and a movement controller which is connected to the rotating assembly and the first linear driving device, wherein the movement controller is used for controlling the rotating assembly and the first linear driving device to synchronously move; a preset correspondence relation is generated between the output displacement of the first linear driving device and the output rotating angle of the rotating assembly, so that the position difference of each processing position, in the axial direction of the polishing shaft, of a molded surface of the workpiece in the rotating process of the rotating assembly can be compensated through the output displacement. The device is high in processing accuracy; the stability of the polishing removing capacity is ensured; and the polishing is uniform and reliable. The invention also discloses a constant-pressure polishing method of the aspheric optical element.

The invention relates to the technical field of crankshaft polishing, in particular to an automobile engine crankshaft polishing machine which comprises a main box body, a polishing cavity is formed in the main box body, a telescopic clamping column is arranged on the left wall in the polishing cavity, a clamping cavity is formed in the telescopic clamping column, and a clamping table is fixedly arranged on the right end face of the telescopic clamping column. Displacement grooves which are provided with rightward openings and are evenly distributed are formed in the right side of the telescopic clamping column, fixing rods are fixedly arranged on the side walls, away from the clamping cavity, of the displacement grooves, telescopic springs capable of stretching out and drawing back are arranged on the outer circle faces of the fixing rods, and guiding sliding rails which are symmetrical left and right are fixedly arranged on the lower wall of the front side of the polishing cavity. The placing plate is fixedly arranged in the fixing shell, the friction shaft is rotationally arranged in the placing plate, the friction cavity is formed in the friction shaft, the contact shell is fixedly arranged on the side, away from the circle center of the fixing shell, of the friction cavity, the friction block makes contact with the crankshaft, rotating polishing is driven through rotation of the motor, efficiency is improved, polishing is uniform, and deformation is not likely to happen.

The invention provides a steel pipe internal polishing machine and a polishing method thereof. A feeding and discharging mechanism is arranged on one side of the top of a supporting base, a laying-off and discharging mechanism is arranged on the other side of the top of the supporting base, a rotary supporting mechanism is arranged between the feeding and discharging mechanism and the laying-off and discharging mechanism, and a clamping device is arranged on the rotary supporting mechanism; and the clamping device clamps a to-be-polished pipe fitting and drives the to-be-polished pipe fitting to rotate, a dust removal mechanism is arranged on one side of the rotary supporting mechanism, and a scrap removal polishing mechanism is arranged on the other side of the rotary supporting mechanism and comprises a scrap removal polishing head and a feeding mechanism. The scrap removal polishing head is located in a pipe of the to-be-polished pipe fitting and is driven by the feeding mechanism to move in the length direction of the to-be-polished pipe fitting. By means of the steel pipe internal polishing machine and the polishing method thereof, steel pipes with different diameters can be supported, the height of the scrap removal polishing head can be adjusted, the applicability to to-be-polished pipe fittings with different pipe diameters and the precision consistency during scrap removal polishing are achieved, the polishing efficiency is high, the service life is long, and environmental pollution is avoided.

The invention discloses a circular arc radius adjustable disc type air bag polishing head, and relates to air bag polishing tools. The disc type air bag polishing head is provided with adjusting screw rods, an annular air bag support, an annular elastic outer layer, an annular elastic inner layer, an elastic inner layer fixing sleeve, adjusting flanges, an air bag support fixing sleeve and a polishing material layer. The adjusting screw rods are provided with adjusting threaded sleeves and spindle connecting rods. The annular elastic inner layer is bonded with the elastic inner layer fixing sleeve, the elastic inner layer fixing sleeve is provided with a supporting plate, and the supporting plate is provided with a slotted hole. The elastic inner layer fixing sleeve and the annular elastic outer layer are integrally placed into a clamping groove of the adjusting flanges. The air bag support fixing sleeve enables the annular air bag support to be fixed on the adjusting flanges and to be closely matched with the adjusting flanges, and the annular elastic outer layer is directly arranged on the annular air bag support in an injection molding mode. The adjusting threaded sleeves are screwed into the two screw rods respectively, the spindle connecting rods are placed into the adjusting threaded sleeves, and the polishing material layer is bonded on the surface of the annular elastic outer layer. The air bag circular arc radius is adjustable, dynamic balance performance is good, and positioning accuracy and machining accuracy are improved obviously.

The invention relates to online polishing equipment for a roller. The online polishing equipment comprises a rack, a polishing assembly, a detection assembly and a parallel adjusting assembly. The polishing assembly comprises a polishing support and a polishing wheel. The polishing wheel is rotationally connected with one end of the polishing support. The detection assembly comprises a detection sliding block and a displacement sensor. The detection sliding block is arranged on the rack in a sliding manner. The polishing support is arranged on the detection sliding block in a sliding manner. The displacement sensor is arranged on the polishing support and used for detecting the parallelism degree of the roller of a roller press and the polishing wheel. The parallel adjusting assembly is connected with the roller press and the rack so as to adjust the distance between the rack and the roller press. According to the online polishing equipment for the roller, the detection sliding block drives the displacement sensor to move along the roller so as to detect the parallelism degree of the roller and the polishing wheel, the distance between the rack and the roller press is adjusted through the parallel adjusting assembly according to information fed back by the displacement sensor, the polishing wheel is parallel to the roller, and the polishing precision is ensured. The online polishing equipment for the roller is convenient to use, the cost is reduced, the grinding period is shortened, and the polishing precision is improved.

The invention discloses a method for maintaining the polishing efficiency of a magnetorheological polishing liquid, a stabilizer and a preparation method of the stabilizer, and solves the technical problems that the polishing efficiency stability of an existing magnetorheological polishing solution is poor, and the long-time use requirement cannot be met. The stabilizer comprises the following components in percentage by mass: 12%-30% of abrasive particles, 0.5%-5% of a wetting agent, 0.05%-5% of a dispersing agent, 0.2%-3% of an antioxidant and the balance of water. The magnetorheological polishing liquid has the advantages that the polishing efficiency is stable after the stabilizer is added, and long-time use is met.

The invention discloses a nanometer diamond polishing solution and a preparation method thereof. The nanometer diamond polishing solution is prepared from the following components in percentage by weight: 0.5-5 percent of modified nanometer diamond, 4-10 percent of polyol surfactant, 0.1-2 percent of dispersant, 0.02-1 percent of corrosion inhibitor and the balance of pH regulator and water, wherein the modified nanometer diamond is obtained by grafting the surface of nanometer diamond powder with carboxyl groups. For the nanometer diamond polishing solution and the preparation method providedby the invention, the modified nanometer diamond is grafted to the polyol surfactant, so that the modified nanometer diamond is stable in dispersion, ensures the polishing accuracy and remarkably lower the risk that the polishing surface is scratched; in addition, the modified nanometer diamond is difficult to separate the polishing solution, so that the phenomenon that particles fall off to cause the chip cutting speed to drop rapidly and formation of black points on the polishing surface are avoided; and in addition, sedimentation can not occur among the modified nanometer diamond althoughflocculation occurs, and the nanometer diamond polishing solution has the reparability ability and can be applied to the finish polishing field of magnetic heads, artificial crystals, gemstones and the like.

The invention provides precise polishing equipment for increasing friction force. The precise polishing equipment comprises a workbench, a conveying line and a first sand roller device; the conveyingline is installed on the workbench, the first sand roller device comprises a first sand roller, a first connecting base, a second connecting base, a first driving unit and a second driving unit, the two ends of the first sand roller are connected with the first connecting base and the second connecting base respectively, and the first connecting base and the second connecting base are located at the two opposite sides of the conveying line respectively in the conveying direction of the conveying line; the conveying line is located between the first sand roller and a mounting face of the workbench, the first driving unit drives the first sand roller to rotate relative to the first connecting base and the second connecting base around the axis of the first sand roller, and the second drivingunit drives the first sand roller to slide relative to the first connecting base and the second connecting base in the axial direction of the first sand roller. The precise polishing equipment for increasing the friction force has the advantages that the machining precision is high, the production efficiency is high, and friction sheets can be automatically ground and polished.

The invention provides a polishing method and device of a circular arc surface of a connecting rod. The method comprises the following steps: fixing a connecting rod workpiece, and upwards positioningthe circular arc surface, to be polished, of the connecting rod; lifting the positions of polishing belts until the polishing belts are positioned onto the circular arc surface of the connecting rod;clamping the polishing belts at two sides of the circular arc surface of the connecting rod, wherein the polishing belts are close to the whole circular arc surface, to be polished, of the connectingrod workpiece, and the polishing belts and an end point of the circular arc surface of the connecting rod workpiece are subjected to tangent relationship, so that the stress to the polishing belts and the circular arc surface of the connecting rod workpiece is consistent; and operating the polishing belts to polish the circular arc surface of the connecting rod. The device comprises a workpiece fixing unit, a lifting unit, a left and right moving unit and a polishing belt operating unit. With the adoption of the method and the device, the outer circular arc surface with an included angle of about 200 degrees of the connecting rod can be polished; in addition, the device is simple in structure, quick to assemble, convenient to use, high in processing efficiency, high in polishing accuracy,time and force saving, and wide in applicable scope; the a wide circular arc surface can be polished.

The invention discloses a constant-pressure polishing device for an aspheric optical element, which comprises: a rotating assembly for setting a workpiece and driving the workpiece to rotate; a polishing piece for contacting with the workpiece and polishing the workpiece; The polishing shaft; the first linear driving device connected with the rotating assembly, used to drive the rotating assembly to move linearly, so that the workpiece moves along the axial direction of the polishing shaft; the motion controller connected with the rotating assembly and the first linear driving device, It is used to control the synchronous movement of the rotary assembly and the first linear drive device. The output displacement of the first linear drive device has a preset corresponding relationship with the output rotation angle of the rotary assembly, so that the output displacement compensates the machining of the workpiece surface during the rotation of the rotary assembly. The positional difference in the axial direction of the polishing axis. The constant pressure polishing device has high processing precision, can ensure the stability of the polishing removal amount, and makes the polishing uniform and reliable. The invention also discloses a constant pressure polishing method for the aspheric optical element.

The invention discloses a dust-free polishing device for metal products. The dust-free polishing device for the metal products comprises a machine body, a box body is arranged in the machine body, grooves are machined in the left side and the right side of the inner wall of the machine body, and a reciprocating assembly is arranged on the upper portion in the machine body. According to the dust-free polishing device for the metal products, a polishing device body can transversely slide in a reciprocating mode through clearance fit between a sliding groove and a sliding block, clearance fit between a lantern ring and a transverse rod and rotation of a round roller, then the polishing area of plates is enlarged, the polishing efficiency of the plates is improved, and the working time is saved; plates of different sizes can be fixed through threaded connection of a stud and a supporting block and clearance fit of a sliding plate and a transverse groove, the fixing position is always located in the middle of a sliding base, and therefore the use applicability is improved, the plates are more stable in the polishing process, and the polishing precision is guaranteed; and through annulardistribution of supporting pipes and corresponding arrangement of the supporting pipes and the polishing device body, annular dust collection can be conducted on the polishing position during polishing, and then dust-free polishing is achieved.

The cam curved surface polishing machine of the present invention comprises a frame (1), a polishing wheel device (2), a positioning wheel device (3), a cam clamp device (4), and a cam clamp rotating and sliding device (5); the cam (A) is installed On the three-jaw chuck (41), under the action of the second weight (56), the three-jaw chuck (41) slides and moves with the cam clamp rotation sliding device (5), so that one side of the cam (A) Automatically abut on the positioning wheel (34) of the positioning wheel device (3), the connecting plate (24) of the polishing wheel device (2) slides and moves under the effect of the first weight (28), so that the polishing wheel (27 ) automatically abuts against the other side of the cam (A) to polish the curved surface of the cam (A). The utility model has the advantages of convenient use, good polishing precision and high efficiency.

The invention relates to the field of large belt wheel machining, in particular to a mold for large belt wheel machining and a manufacturing method of the mold. In order to solve the problem of incapability of existing a draft angle when a die casting method is adopted to manufacture large belt wheels, the invention provides the mold for large belt wheel machining. The mold comprises a fixed moldcore, a movable mold core and a flow separation cone; a casting cavity groove provided with a tooth groove structure on the side wall is formed in the top of the fixed mold core; the movable mold corecovers the top of the fixed mold core; a casting cavity cover opposite to the casting cavity groove is arranged at the bottom of the movable mold core; a feeding channel communicating with the flow separation cone and the casting cavity cover is formed in the bottom of the movable mold core; the inner surface roughness of the casting cavity groove and the casting cavity cover is within Ra 0.2; and PST penetration layers with hardness of at least 75 HRC are arranged on the surfaces of the fixed mold core and the movable mold core. In the mold for large belt wheel machining, the inner surfacesof the casting cavity groove and the casting cavity cover are high in smoothness, so that the mold opening resistance is greatly reduced, and the problem of incapability of existing the draft angle when the die casting method is adopted to manufacture the large belt wheels is solved.

The invention provides a tool and method for polishing the inner and outer walls of a cylindrical optical part. The tool and method are used for solving the problem that in the prior art, a cylindrical optical part cannot be mechanically polished. The polishing tool comprises a power connector, a base, a lantern ring and a gland. The base and the gland are both round in basic shape. The part is fixed through the base; when the outer wall is polished, the part is limited and stabilized through the gland; and when the inner wall is polished, the part is limited and stabilized through the lanternring. According to the tool and method for polishing the inner and outer walls of the cylindrical optical part, the inner wall and the outer wall of the optical part are polished through one-time positioning; when the inner wall is polished, the lantern ring is used for assisting in fixing the part; and when the outer wall is polished, the gland is used for assisting the fixing force of the base.The gland and the base are used respectively to guarantee the stability of the part in the polishing process, so that the mechanical polishing of the inner wall and the outer wall of the cylindricaloptical part is achieved, the polishing efficiency is improved, and meanwhile the polishing precision and the shape and position precision of the part are guaranteed.

The invention discloses a single-sphere double-R watch cover secondary material reworking process and a polishing device. The single-sphere double-R watch cover secondary material reworking process comprises the steps that a watch cover to be polished is placed in a cavity structure of the polishing device to enable the spherical face of the watch cover to be in fit with the inner wall of the cavity structure; a fastener is adjusted to enable the watch cover to be clamped and fixed in the cavity structure; a grinding cover is arranged on the watch cover, and the side, with grinding skin, of the grinding cover is in fit with the plane side of the watch cover; a pressure rod ejector pin is controlled to be aligned with an ejector pin hole in the grinding cover, polishing liquid is injected,and the grinding cover is rotated under the drive of the pressure rod ejector pin so as to polish the plane side of the watch cover. In this way, the grinding cover only polishes the plane which needsreworking polishing of the watch cover rather than polishing the two faces of the watch cover, and defects of a traditional upper-sweeping lower-polishing way are avoided.