14results about How to "Reduce surface scratches" patented technology

This utility model discloses a multi-axis automatic positioning mechanism for an electro-hydraulic bending machine, belonging to the technical field of bending machines. The multi-axis automatic positioning mechanism for an electro-hydraulic bending machine includes a base, a limiting mechanism on the base for positioning the sheet metal, a fixed seat fixed to the top of the base, two bearing seats mounted on the fixed seat, a drive shaft rotatably connected between the two bearing seats, two connecting seats fixed to the outside of the drive shaft, a flipping plate fixed to the connecting seats, a rubber pad connected to the top of the flipping plate, a drive mechanism on the fixed seat for driving the drive shaft to rotate, and a buffer assembly on the base. This utility model solves the problem that existing automatic positioning mechanisms for bending machines cannot dynamically support the sheet metal. By setting a flipping support structure, this utility model provides real-time support to the bottom of the sheet metal during bending, effectively preventing sagging, displacement, or deformation of the sheet metal due to its own weight or uneven force.

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 utility model relates to medical instrument technical field, concretely is a kind of metal support cutting quality detection frock, including base, still including rotating part and adjusting part, the cross section shape of base is U shape, the middle installation of base is transparent board, sliding slot is set up on the inner wall of both ends of base, rotating part is installed in the left end inside of base, rotating part is driven rotating cylinder rotation by rotating handle, and rotating cylinder is driven cylinder rotation by the meshing transmission between bevel gear, and rotating cylinder drives support to rotate, adjusting part is installed below rotating part, adjusting part adjusts the distance between cylinder by rotating adjusting handle, and the distance of adjusting cylinder can place support of different diameters.

The utility model discloses a kind of transport pallets for rubber plug production, including rectangular tray main body, the middle part of tray main body inner cavity is provided with baffle, the two sides of the baffle correspond parallel distribution have T type sliding slot, two T type clamping blocks are correspondingly movably connected in the T type sliding slot, the side of the T type clamping block is provided with strong magnet with the magnetic adsorption of T type sliding slot inner wall, T type clamping block is installed with lug seat by the bolt assembly of elasticity adjustable, lug seat is provided with elastic limit buckle, the two sides of the elastic limit buckle are respectively mounted with arc plate and straight plate, the top edge of tray main body is provided with stand column. The utility model structure design scientific and reasonable, realize the position and angle of elastic limit buckle adjustable, solve the problem that traditional tray fixed mode is single, only adapts single specification rubber plug, make tray can pass through flexible adjustment limit area size and shape, compatible different diameter, boss structure's rubber plug, significantly improve versatility.

The utility model relates to a plastic cutting cutting processing device convenient to adjust belongs to plastic pipeline cutting processing technical field, this plastic cutting cutting processing device convenient to adjust, include: cutting table, one side of cutting table rotatory installation has the conveying frame, the top fixed mounting of cutting table has the cutting machine, cutting cleaning mechanism is used for cutting the collection cleaning of cutting debris when cutting plastic pipeline, and the cutting cleaning mechanism sets up in one side of cutting machine, wherein, cutting cleaning mechanism includes the collection box fixed mounting in one side of cutting table, one side of collection box is provided with cleaning component, and one side of conveying frame is provided with feeding assembly, and the plastic debris and dust around cutting point can be synchronously absorbed and collected when the cleaning component works in cutting machine, and it is guided into the collection box in time, prevents the debris splashing, accumulation or diffusion, and feeding assembly can be adjusted according to the plastic pipeline outer diameter fast, realizes the stable feeding of multi -specification pipeline.

The utility model discloses a ceramic cup with excellent wear resistance, which comprises a ceramic cup body, the right side of the ceramic cup body is fixedly connected with a handle, and the surface of the handle is fixedly sleeved with a heat insulation sleeve. The ceramic cup body, the base layer, the bonding layer, the wear-resistant protective layer, the first organic silicon resin coating layer, the glass fiber woven layer and the second organic silicon resin coating layer are matched with one another, so that the wear resistance and the scratch resistance of the ceramic cup body are greatly improved, surface scratches and wear can be effectively reduced in daily use, and the service life of the ceramic cup is prolonged. The attractiveness of the ceramic cup is prevented from being influenced, and the service life of the ceramic cup is prolonged.

The utility model belongs to the field of aluminum profile machining, and particularly relates to an aluminum profile rolling forming tool which comprises a rack. A base and a top seat are installed on the machine frame, a rotating shaft is rotationally connected to the base and the top seat, a forming roller is fixedly connected to the rotating shaft, an oil receiving disc is fixedly connected to the bottom of the machine frame, an oil conveying pump is installed in the oil receiving disc, a first pipe body is fixedly connected to the output end of the oil conveying pump, and an oil spraying pipe is fixedly connected to the first pipe body. The oil spraying pipe is located on the side face of the forming roller, a through groove is formed in the oil spraying pipe, during use, lubricating oil is stored in the oil receiving disc, in the rolling process, the oil conveying pump pumps the lubricating oil in the oil receiving disc, the lubricating oil is conveyed to the oil spraying pipe through the first pipe body and sprayed out of the through groove, and then the lubricating oil is sprayed to an aluminum profile. In this way, the friction force of the forming roller and aluminum profile forming can be reduced, the situation that the surface of the aluminum profile is scratched is reduced, and therefore the situation that the surface of the aluminum profile is scratched is reduced.

The utility model relates to an adjustable-distance V-shaped supporting iron, belonging to the technical field of large-tonnage shaft part supporting machining. The utility model solves the problems of long production cycle and poor part machining stability in the prior art. Technical points: a concave positioning groove is formed in the left side of the supporting plate, and a convex positioning table is arranged on the right side of the supporting plate; a fixed bracket is arranged in the concave positioning groove, a moving bracket is installed on the convex positioning table, a fixed seat is installed on the right side of the supporting plate, a rotating screw right end portion extends into the fixed seat inner cavity, a rotating sleeve is threadedly connected with the rotating screw, the rotating sleeve is fixed on the moving bracket, and a handle is connected with the rotating screw right end; the inner sides of the fixed bracket and the moving bracket form a V-shaped working surface, and a workpiece backing plate is fixed on the V-shaped working surface. The utility model is simple to install, reduces surface scratches caused by rigid contact, improves shaft part machining quality, and reduces large-tonnage shaft part production and manufacturing cycle.

The invention discloses an oil squeezing device and an oil squeezing method during rolling of metal foil with high surface requirements, and the oil squeezing device comprises a mechanical part and a control system, the mechanical part comprises an upper oil squeezing motor, a lower oil squeezing motor, an upper oil squeezing speed reducer, a lower oil squeezing speed reducer, an upper oil squeezing coupler, a lower oil squeezing coupler, an upper oil squeezing roller, a lower oil squeezing roller, an oil squeezing rack, an inner oil squeezing hydraulic cylinder and an outer oil squeezing hydraulic cylinder, and the upper oil squeezing roller and the lower oil squeezing roller are installed in the oil squeezing rack through bearing seats; the axis of the upper oil squeezing roller and the axis of the lower oil squeezing roller are staggered by 2-5 mm, the position of the upper oil squeezing roller is fixed, and the lower oil squeezing roller can move in the vertical direction. Relative sliding between the oil squeezing roller and the metal foil during oil removal after rolling of the metal foil can be effectively reduced, so that surface scratches of the metal foil are reduced, the surface quality of a foil product is improved, and the requirement of the metal foil with high surface quality is met.

The utility model relates to the technical field of edge banding machines, and discloses a universal edge banding machine for plates with multiple thicknesses, which comprises an edge banding machine, the edge banding machine comprises a base, an edge banding table is fixedly mounted at the upper end of the base, a limiting assembly is mounted on one side of the edge banding table, the limiting assembly comprises a second U-shaped shell, one side of the second U-shaped shell is fixedly connected with the edge banding table, and the other side of the second U-shaped shell is fixedly connected with the edge banding table. A clamping assembly is arranged on one side of a second U-shaped shell in a sliding mode, a third conveying roller of the second U-shaped shell in a limiting assembly and the clamping assembly on a sliding rail form bidirectional constraint, one side of the plate extrudes the upper surface of the plate through a clamping plate in a U-shaped block under the elastic force of a torsional spring, and the clamping plate can be fixed through an electromagnet. In the adjusting process of the first conveying rollers, stable limiting is formed on the other sides of the plates, inclination caused by single-side extrusion is avoided, finally, the plates of different thicknesses are balanced in stress and free of inclination in the conveying process, edge abrasion and surface scratching are reduced, and the edge sealing quality is guaranteed.

This utility model discloses an elliptical rubber bushing, including an outer bushing tube and an inner bushing tube arranged coaxially. The outer bushing tube is composed of a straight part and a semi-circular part forming an elliptical structure. An integral rubber main spring is vulcanized in the gap between the inner wall of the outer bushing tube and the outer wall of the inner bushing tube. An integral rubber strap is vulcanized on the outer surface of the outer bushing tube. Through a high-temperature vulcanization process, the outer bushing tube, the inner bushing tube, the rubber main spring, and the rubber strap are vulcanized into one piece to form an elliptical rubber bushing. Utilizing its asymmetrical structure, it provides differentiated stiffness in different directions. The higher stiffness in the longitudinal direction ensures support stability, while the larger elastic deformation space in the lateral direction can effectively absorb vibration, achieving independent control of multi-directional stiffness and adapting to compact installation spaces. This solves the technical problems of existing circular bushings having a limited range of adjustable stiffness in a specific direction, making it difficult to meet the dynamic performance requirements under complex working conditions and the limited space in some installation scenarios.

The utility model discloses an oil -resistant type fluorine rubber aramid fiber composite sealing ring structure relates to the technical field of fluorine rubber sealing ring, including the outer layer, the middle layer and the inner layer, the inside of outer layer and the outside of middle layer rotation cooperation connection, the inside of middle layer and the outside of inner layer rotation cooperation connection, be equipped with the oil return groove on the inner layer, and the oil return groove is arranged in the inside of inner layer in spiral shape, and the outside and the inside are made of fluorine rubber, and the middle layer is made of aramid fiber. Three layer rotation cooperation structure has effectively solved the friction and abrasion problem of traditional integrated sealing ring under the rotating condition, and the relative rotation between layers disperses friction stress, reduces surface scratch, damage such as block, prolongs the service life of sealing ring. Spiral oil return groove can actively recover the leakage medium, reduces the risk of oil leakage, prevents the invasion of external impurities at the same time, guarantees the internal cleanliness of equipment, reduces the wear and corrosion of parts.

This invention provides a variable-temperature forging process for difficult-to-deform lightweight aluminum / magnesium alloys. The process involves determining the recrystallization temperature to lock in the preheating temperature; heating the difficult-to-deform aluminum or magnesium alloy billet to the preheating temperature; maintaining a die temperature 50-200°C higher than the billet temperature; implementing an initial temperature transfer deformation process on a forging press, with the die at a high temperature and the billet at a low temperature; ensuring the die temperature is 50-200°C higher than the billet temperature; performing plastic deformation at the same temperature for both the die and the billet when the forging deformation reaches 1 / 3-2 / 3 of the stage; maintaining pressure with the die temperature 50-100°C lower than the billet temperature; water quenching the formed forging, followed by aging heat treatment. This variable-temperature forging process for difficult-to-deform lightweight aluminum / magnesium alloys reduces the tendency for deformation damage during deformation, ensures low-temperature deformation of the workpiece without damage or cracking, improves the deformation uniformity of the workpiece, and optimizes its microstructure and mechanical properties.

This invention provides an acidic chemical mechanical polishing slurry for gallium arsenide substrates and its application, belonging to the field of chemical mechanical polishing technology. The polishing slurry comprises, by weight percentage, 0.5–5 wt% modified cerium oxide abrasive, 0.1–3 wt% peracetic acid, 0.05–2 wt% urea peroxide, and the balance deionized water, with a pH value of 3.0–5.0; wherein the modified cerium oxide abrasive is nano-cerium oxide particles with surface-grafted organic acid functional groups, with an average particle size of 20–80 nm. The acidic chemical mechanical polishing slurry for fine polishing of gallium arsenide substrates provided by this invention, by employing a dual oxidant system composed of peracetic acid and urea peroxide, combined with modified cerium oxide abrasive with surface-grafted organic acid functional groups, balances surface reaction stability, abrasive dispersibility, and low-load mechanical removal requirements under acidic conditions, thereby helping to reduce surface scratches, particle residue, and subsurface damage depth, and improving the surface integrity of gallium arsenide substrates after fine polishing.