52results about How to "Achieve polishing" patented technology

The invention relates to a digital control polishing manipulator of an optical element with large caliber, which pertains to devices related to the technical filed of optical cold processing. The technical problem to be solved is to provide a digital control polishing manipulator of an optical element with large caliber; the technical proposal comprises a base system, a lifting digital control swinging plate system, a first hinge, a mechanical and manual flexible swing link system, a universal mechanism, a second hinge, a polishing head system, a swing link bracket system, an operating button station and an electrical control system. The base system is the base of the manipulator; the bottom parts of the lifting digital control swinging plate system and the swing link bracket system are respectively fixed at the inclined left part and the inclined right part of the top of the base; the left part of the mechanical and manual flexible swing link system is fixedly connected with the top of the lifting digital control swinging plate system by the first hinges, while the middle part thereof is fixedly connected with the top part of the swing link bracket system by the universal mechanism and the right end thereof is fixedly connected with the polishing head system by the second hinge; the operating button station is arranged at the side surface of the base; the electrical control system is arranged in the interior of the base and is connected with the operating button station by a cable.

The invention discloses a polishing head for the inner surface of an elongated bend pipe, which belongs to the technical field of ultra-precision machining. Uniform polishing is difficultly implemented in the prior art; and the prior art is only suitable for short pipes with a small length-diameter ratio. The polishing head has a traction part and a steering part, wherein the traction part has a minor spherical crown while the steering part has a major spherical crown, the two are jointed to form a ball cage, and the inner part of the ball cage is a ball head chamber; a front rotary pull ring is arranged on the top of the spherical crown of the traction part; a bending hole is reserved on the top of the spherical crown of the steering part; the ball head is a sphere positioned in the ball head chamber and connected with one end of a rotating shaft; the other end of the rotating shaft extends outside the bending hole and is connected with a rear rotary pull ring; the inner surface of an envelope ball is a minor spherical surface, and the curvature radius of the inner surface is equal to that of the spherical surface of the outer surface of the ball cage; a plurality of involute drainage channels are distributed in a radial manner in an impeller, one end port of each drainage channel is positioned on an axial small end of the impeller, while the other end port is positioned on a radial edge of the impeller; the envelope ball is connected with the impeller, axial holes sharing the same axis line and having the same aperture are reserved in the centers of the envelope ball and the impeller, and the axial holes are matched with the rotating shaft; and the inner surface of the envelope ball is in clearance fit with the outer surface of the ball cage.

The invention relates to a multi-dimensional ultrasonic assisted magneto-rheological precision polishing machine tool and a machining method, and belongs to the technical field of polishing machine tools. Two sets of Y-direction moving rails are separately fixed on the left side and the right side of a machine tool base 1, two Z-direction fixing bottom plates are separately fixed on the Y-direction moving rails arranged on the left side and the right side of the machine tool base 1, two Z-direction moving rails are separately fixed on the Z-direction fixing bottom plates, X-direction fixing bottom plates are separately fixed on the two Z-direction moving rails, and X-direction moving rails are fixed on the upper sides and the lower sides of the X-direction fixing bottom plates; and a magnetorheological fluid circulating device is fixedly arranged behind the middle of the machine tool base, a rotating workbench is fixedly arranged in front of the middle of the machine tool base, tool head mounting bottom plates are fixed on the X-direction moving rails, and tool heads are fixed on the tool head mounting bottom plates. The polishing machine has the advantages that polishing machiningis carried out at the same time in three different directions, so that the machining area at the same time is larger, the rotation motion of a grinding head enables the polishing machining to be morecomprehensive and thorough, and the polishing machining efficiency and the machining precision are improved.

The invention belongs to the technical field of aluminum alloy machining equipment, and discloses an aluminum alloy metal part grinding and polishing device which comprises a grinding table and an aluminum alloy plate. Two symmetrically-distributed fixing assemblies are arranged at the top of the grinding table. Each fixing assembly comprises a first hydraulic rod, wherein the mounting end of the first hydraulic rod is arranged at the top of the grinding table, a fixing plate is arranged at the output end of the first hydraulic rod, a first electric telescopic rod is arranged on one side of the fixing plate, a first moving plate is arranged at the output end of the first electric telescopic rod, second electric telescopic rods are arranged on the end face of the periphery of the first moving plate, second moving plates are arranged at the other ends of the second electric telescopic rods, first air guide pipes are arranged at one ends of the second moving plates, and suckers are arranged at the other ends of the first air guide pipes. According to the aluminum alloy plate polishing device, through the arrangement of a polishing assembly, the fixing assemblies and a containing plate, the two side faces of an aluminum alloy plate can be ground at a time, the aluminum alloy plate can be ground and pre-cleaned, and the grinding precision is controlled.

The invention provides an electrogenerated chemical polishing method which comprises the following steps: preparing a working solution which contains an electroactive mediator, a pH regulating agent, a viscosity regulating agent and an inhibiting agent; parallelly and oppositely arranging the working surface of a working electrode and the surface of a workpiece, wherein the working surface of the working electrode has smoothness less than 1 micrometer; and immersing the working surface of the working electrode and the surface of the workpiece into the working solution, and regulating the spacing between the working surface of the working electrode and the surface of the workpiece to 0.05-20 micrometers through a micro-nano composite feeding mechanism. According to the method, a power supply is started to electrify the working electrode and an auxiliary electrode, the electroactive mediator near the working surface of the working electrode generates an etching agent through electrochemical reaction, and a local high point positioned on the surface of the workpiece is selectively etched in such a way that the etching agent is dispersed to the surface of the workpiece and generates diffusion controlled etching reaction, so that the unstressed polishing on the surface of the workpiece is realized.

The invention provides a polishing and grinding device with six-freedom-degree mechanical arms. The polishing and grinding device comprises a control system, an index plate grinding workstation and the six-freedom-degree mechanical arms, wherein the index plate grinding workstation and the six-freedom-degree mechanical arms are connected with the control system. The index plate grinding workstation comprises an index plate mechanism, a plurality of belt sanding mechanisms evenly distributed on the index plate mechanism and an electric ring arranged in the center of the index circular disc grinding workstation. The six-freedom-degree mechanical arms are arranged on the periphery of the index circular disc grinding workstation and correspond to the belt sanding mechanisms. According to the six-freedom-degree mechanical arm polishing and grinding device, the number of the belt sanding mechanisms can be increased and decreased at will according to the process requirements, and polishing and grinding in a circular disc assembly line are achieved; in this way, the working efficiency is improved, the labor intensity of workers is lowered, and the cost is saved; and the belt sanding mechanisms are arranged on circular plates, and the effect of saving the space is achieved.

The invention provides a cantilever wheel belt polishing device with controlled pressure and a polishing method, belongs to the technical field of ultra-precision processing, and solves the problem that the polishing method in the prior art introduces a certain medium-high frequency error during polishing, so improving the surface precision is difficult, and optical components with large aspect ratio and complex surface cannot be polished effectively, specifically the inner surfaces; meanwhile, the controllable contact pressure polishing device adopts a single contact control method, which cannot effectively polish workpiece with great difference of the target surface. The polishing device provided by the invention comprises a bottom plate, a wheel bar assembly, a drive assembly, a dressing assembly, a polishing belt, a tensioning assembly and a guide idler, is mainly used for ultra-precision machining of optically complex surfaces of hard and brittle materials.

The invention mainly relates to the field of optical fiber preform rod inner hole and external cylindrical surface polishing, in particular to an optical fiber preform rod polishing solution circulating system, which comprises an upper water tank, a lower water tank, a first guiding pipe, a second guiding pipe, a third guiding pipe, a bending pipe, a first solenoid valve, a second solenoid valve, a left support seat, a right support seat, a water pump and a stirrer. The optical fiber preform rod polishing solution circulating system provided by the invention is simple in structure, high in integration level, and convenient to operate and install, a polishing solution used by the circulating system can be repeatedly used, and an excircle and an inner hole of an optical fiber preform rod immersed in a polishing agent loop can be polished.

The invention discloses a surface polishing and grinding process and equipment used for a long rod part with a specially-shaped section. The equipment comprises a belt grinder, a travelling mechanismand a clamping mechanism with a turnover function, wherein the travelling mechanism comprises a slide rail and a slide base mounted on the slide rail; the slide base is driven by a linear motion drivedevice to move back and forth along the slide rail; the belt grinder is fixedly mounted on the slide base; a belt grinder contact wheel presses an abrasive belt to a to-be-polished and to-be-grindedsurface or edge of a workpiece for polishing and grinding the to-be-polished and to-be-grinded surface or edge of the workpiece; a supporting mechanism is arranged between a drive rotary mechanism anda driven rotary mechanism; the workpiece is firstly placed onto the clamping mechanism, and the travelling mechanism drives the belt grinder to move back and forth for polishing and grinding the workpiece; after one surface is polished and grinded, turnover can be performed through a turnover mechanism; and after polishing and grinding are completed, the clamping mechanism is loosened and the supporting mechanism is withdrawn, so that the workpiece can be taken out. The surface polishing and grinding equipment is consistent in polishing and grinding effect of each part of the workpiece, is good in polishing and grinding quality of the workpiece, is stable in performance, and can be suitable for various long rod parts with specially-shaped sections.

The invention discloses grinding equipment with an angle adjusting function. The grinding equipment with the angle adjusting function comprises a driving system and a grinding tool system, wherein thegrinding tool system is fixed to the driving system, the grinding tool system comprises a universal adjusting device and a grinding tool, one end of the universal adjusting device is fixedly connected with the driving system, and the other end of the universal adjusting device is rotationally connected with the grinding tool. According to the grinding equipment with the angle adjusting function,by arranging the universal adjusting device, the angle of the grinding tool can be adjusted according to needs, then 360-degree dead-corner-free grinding is achieved, the use requirements of differentoperators are met, the operators can work in good postures, and the labor intensity of the operators is reduced, and meanwhile, the grinding tool system is fixed to the driving system, the driving system drives the grinding tool system to move in the horizontal direction or the vertical direction so that the grinding tool system can be adjusted according to the position of a workpiece, and practicability is better.

The invention belongs to the technical field of processes for conducting grinding or polishing on workpieces and specifically discloses a bearing polishing process. A polishing device is involved in the process and comprises an inner circle polishing part, an abradant circulating part and an outer circle polishing part, the outer circle polishing part is internally provided with a waste material separation mechanism, and the abradant circulating part is arranged on the outer circle polishing part. Through adoption of the structure above, the inner circle and outer circle of a bearing ring arepolished as materials are ground, and the problem that polishing of inner circles and outer circles of bearings in the prior art requires different grinding machines is correspondingly solved.

A cutter five-axis profiling polishing machine provided by the invention has five-axis linkage of the X axis, the Y axis, the Z axis, the A axis and the C axis, and automatic abrasive polishing of a cutter is achieved. Compared with a traditional control system with fixed parameters, a polishing feedback automatic control system for the polishing machine of the invention has higher polishing precision, meanwhile, excessive parameters do not need to be debugged and replaced when different types of cutters are replaced for polishing, the operation complexity is greatly reduced, and practicability is achieved. By arranging a profiling plate, the cutter can be quickly positioned and fastened, and the polishing quality is improved; meanwhile, the profiling plate can be replaced at any time according to the shape and the type of the cutter, and the use flexibility of the polishing machine is improved; and a plurality of sets of abrasive belt guide wheels and a plurality of sets of profilingclamps are arranged to work cooperatively, multiple sets of workpieces can be machined at the same time, and the polishing efficiency is improved.

The invention belongs to the technical field of lathes, devices or processes for grinding or polishing and particularly discloses a bearing ring polishing and grinding system, comprising a frame. An internal grinding portion, a grinding material conveying portion and an external grinding portion are arranged on the frame sequentially from left to right; a waste separation mechanism is arranged inthe external grinding portion; a grinding material circulation portion is arranged on the external grinding portion; the internal grinding portion comprises an internal grinding box, a pillar and a power mechanism, the internal grinding box can be driven by the power mechanism to rock up and down around a pillar hinging point, the inner wall of the external grinding box is rotationally connected with a rotary shaft, the waste separation mechanism is used for separating metal scraps in grinding material, the grinding material circulation portion comprises a collection trough arranged below theright of an electromagnet, a conveying mechanism having one end extended into the collection trough and the other end extended out of the upper end of the external grinding portion, a transfer box arranged at the upper end of the conveying mechanism, a feeding passage arranged between the left wall of the transfer box and a feeding port, and a conveying passage communicated with the internal grinding box and the external grinding box.

The invention discloses an automatic polishing lathe capable of adjusting the speed of a working table, capable of achieving batch production and high in safety in the technical field of workpiece machining. A conveying assembly is arranged on the front side of the top face of a machining table. The conveying assembly comprises mechanical hands which are arranged on the front side and the rear side of the machining table and electronically controlled by equipment. Linear feeding and conveying mechanisms and linear discharging and conveying mechanisms are arranged on the left sides and the right sides of the mechanical hands at the front end and at the rear end. A protecting cover provided with a feeding and discharging opening in the side wall is arranged on the top face of the working table. Polishing assemblies are symmetrically arranged in an inner cavity of the protecting cover. A conveying assembly is arranged between the polishing assemblies. The conveying assembly is provided with a workpiece limiting assembly. A locking assembly is arranged at the front end of the protecting cover. According to the automatic polishing lathe, the speed of the working table can be adjusted properly according to the difference between machined workpiece materials, thus the better machining quality is achieved, meanwhile, the polishing lathe can adapt to batch production, and the automaticpolishing lathe is high in machining efficiency and high in safety.

A circular rail shot blasting robot for polishing a large-sized workpiece has the technical scheme that for the large-sized workpiece which is difficultly processed by an ordinary shot blasting polishing device, an circular rail which is set to be capable of moving up and down is arranged at the periphery of the workpiece, and the industrial robot walks on the rail and can arrive at different positions. A mechanical arm is provided with a local shot blasting machine, at the same time, a steel shot collecting device and a shot blasting blocking device are additionally added, the robot can perform shot blasting on a small part at each time in a mobile way, and shot blasting polishing processing on the large-sized workpiece is completed. The method provided by the invention breaks restrictions of the traditional shot blasting polishing device on the size of processed workpieces, can achieve polishing processing of the large-sized workpiece with relatively low cost, and is especially suitable for processing the large-sized workpiece having general polishing precision requirements.

The invention provides high-precision impeller polishing equipment which is composed of an auxiliary part, a spiral mechanism part, a conversion mechanism part and a working area part, during working,a bevel gear is driven by a motor to rotate, the spiral mechanism is driven by the bevel gear to rotate, so that a nozzle is driven to move up and down, and on the other hand, a hydraulic cylinder pushes a rack to move left and right. The rack meshes with the gear to drive the conversion mechanism to rotate, so that the position of the nozzle relative to impellers is changed, and multi-angle machining of the impellers, especially dead zones on the back faces of blades, is achieved. The high-precision impeller polishing equipment is convenient to install, easy to operate, safe and reliable inwork and suitable for conducting abrasive flow precise machining on the impellers, the two impellers can be machined at the same time, and the production efficiency is improved.

The invention provides an annular elastic polishing tool and relates to the technical field of precise machining. The annular elastic polishing tool comprises a tool base, an elastic body and a connecting piece, wherein the elastic body is detachably connected with the tool base through the connecting piece and is of an annular structure. According to the annular elastic polishing tool, a machining face is an annular arc face, and the contact area between the annular arc face and a workpiece is an annular belt and is larger compared with a circular contact area between a spherical tool, so that the machining efficiency of workpieces (with planes / spherical surfaces / non-spherical surfaces) is effectively improved; the arc surface radius of the tool and the overall size of the tool are designed flexibly, and the tool can polish curved surface workpieces of different sizes and curvatures; and the elastic body has stable rigidity, and the machining effect is more stable.

The invention discloses a polishing device used for producing hardware fittings. The polishing device comprises a substrate. A T-shaped frame and a guide groove are arranged on the top face of the substrate and are in parallel. At least three polishing mechanisms are arranged on the top face of the T-shaped frame at equal distances. A bottom plate is arranged above the guide groove. The top face of the bottom plate is connected with a conveying device. The conveying device comprises a rotating disc, a ratchet wheel, an intermittent clamping mechanism and a boosting mechanism. The rotating discis fixedly connected with the top face of the ratchet wheel through at least six connection rods. The bottom of the ratchet wheel is connected with a locating disc through a second rotating shaft. The locating disc is fixedly connected to the bottom plate. The intermittent clamping mechanism is located on one side of the ratchet wheel. The boosting mechanism is connected to the second rotating shaft. The polishing device is simple in structure and high in practicality; stability and reliability during polishing machining of the hardware fittings are improved, and the machining processes fromrough polishing to semi-finish polishing to finish polishing can be met at the same time and can be achieved through one kind of equipment; and the process steps are greatly shortened, and the machining efficiency of the hardware fittings is improved.

The invention relates to a brush-assisted ball screw force rheological polishing method. Force rheological polishing liquid prepared by using non-Newtonian fluid and abrasive particles is added in a polishing liquid tank; one end of a ball screw is clamped on a three-jaw chuck, and the other end is mounted on a rotating bracket; a lifting system is adjusted to enable a brush on a polishing head to be in contact with a workpiece; a diaphragm pump is opened, so that the polishing liquid is injected in a hollow cavity of the polishing head through a flexible hose; in the processing course, the polishing liquid is sprayed to the surface of the workpiece from the hollow cavity of the polishing head; then, the polishing liquid and the workpiece generate relative motion at a set speed; a shearing rheological effect is generated in a contact area; solid dispersion particles in the polishing liquid wrap the abrasive particles to form clusters; under high shearing speed, the excessive clusters can stop the polishing liquid from entering a screw thread roller way; and the brush enables the clusters to be in contact with the interior of the thread roller way fully to achieve high-quality polishing of the surface of the ball screw. The method can realize high-precision processing of the ball screw thread roller way.

The invention belongs to the technical field of aluminum alloy processing equipment, and discloses a grinding and polishing device for aluminum alloy metal parts, which includes a grinding table and an aluminum alloy plate. Two sets of symmetrically distributed fixing assemblies are arranged on the top of the grinding table. It includes a first hydraulic rod, the installation end of the first hydraulic rod is set on the top of the grinding table, and the output end of the first hydraulic rod is provided with a fixed plate, and a first electric telescopic rod is provided on one side of the fixed plate. The output end of an electric telescopic rod is provided with a first moving plate, and the surrounding end faces of the first moving plate are provided with a second electric telescopic rod, and the other end of the second electric telescopic rod is provided with a second moving plate, so One end of the second moving plate is provided with a first air guide tube, and the other end of the first air guide tube is provided with a suction cup. The present invention can grind and polish both sides of the aluminum alloy plate at one time by arranging a grinding component, a fixing component and a placement plate. The side, and the aluminum alloy plate can be polished and pre-cleaned to control the grinding accuracy.

The invention discloses a high-precision cutting and grinding processing equipment for crane accessories, which includes a workbench and a top plate. The bottom of the workbench is equidistantly fixed with supporting legs, and the top of the workbench is symmetrically fixed with brackets, and the top of the bracket is fixed with a top plate. The top surface of the workbench is provided with a cutting cylinder, the surface of the cutting cylinder is equally spaced with cutting grooves, and the bottom of the cutting cylinder is equipped with a translation mechanism that can drive the cutting cylinder to move in the horizontal direction. This kind of crane accessories has high precision The cutting and grinding processing equipment, under the cooperation of the cutting mechanism and the cutting groove, realizes uniform and efficient cutting of the steel column, and under the cooperation of the translation mechanism and the pushing mechanism, realizes the transportation and processing of the steel column after cutting. The role of the push, under the action of the clamping mechanism, realizes the convenient grinding of the main gear element after cutting, and realizes the polishing and grinding of the surface of the main gear element under the action of the polishing mechanism.

The invention discloses a step-by-step type electrochemical polishing device which comprises a power supply, an electric polishing device, a pump, an electrolytic cell, an electrolyte, a suction apparatus, a workpiece and a grinding head, wherein the workpiece is connected with the positive pole of the power supply, the workpiece is internally provided with the electrolyte, one end of the suction apparatus is soaked in the electrolyte of the workpiece, the other end of the suction apparatus is soaked in the electrolyte of the electrolytic cell, the pump is connected with the electrolyte, one end of the electric polishing device is connected with the negative pole of the power supply, the other end of the electric polishing device is connected with the pump, the grinding head is arranged on the electric polishing device, and the grinding head is soaked in the electrolyte of the workpiece. According to the step-by-step type electrochemical polishing device, the power supply, the electric polishing device, the pump and the workpiece are connected into a closed loop by the electrolyte, and the closed loop generates current after the power supply is switched on, so that the polishing machining can be carried out on the workpiece; and the step-by-step type electrochemical polishing device is simple in structure, convenient and fast in operation, high in machining efficiency and favorable for commercial production.

The invention discloses a clamping device. The clamping device includes a workpiece shaft sleeve which includes a vertical cavity provided with a plurality of limiting step surfaces to realize fixation of a workpiece, wherein a convex spherical surface shaft sleeve internally sleeves on the lower part of the workpiece shaft sleeve; a convex spherical body for fitting with the arc surface of a concave spherical surface shaft sleeve is arranged on the lower part of the convex spherical surface shaft sleeve; a base internally sleeves the concave spherical surface shaft sleeve, and coaxially rotates with a mould kernel rotary shaft; and one end of a straight bar mechanism which abuts against the side wall of the concave spherical surface shaft sleeve is arranged on the base, and then rough / tiny adjustment of workpiece axis is realized. The clamping device has the advantages that the precision is high, and degree of freedom is multiple; and multiple standard-aperture specifications of the workpiece can be fixed, position correction can be conducted while clamping is tight, the quality of a product is improved, using is convenient, and prices are low.

The invention discloses a track control type gravity center adjustable polishing mechanism and a polishing method. The polishing mechanism comprises a polishing disc, a power transmission mechanism, a gravity center adjusting mechanism and a supporting mechanism. The power transmission mechanism comprises a motor and a power main shaft, and the power main shaft is flexibly connected with the polishing disc. The gravity center adjusting mechanism comprises a track plate, a swing plate and a pressure applying mechanism. The track plate is fixed, and a track groove is formed in the track plate; The swing plate is coupled outside the power main shaft and is provided with a convex block matched with the track groove. The pressure applying mechanism is located between the swing plate and the polishing disc and used for transmitting swing pressure of the swing plate to the polishing disc. According to the track control type gravity center adjustable polishing disc mechanism and the polishing method thereof, the track groove of the track plate is utilized, the edge effect can be reduced by adjusting the gravity center of the polishing disc, and the characteristics of being easy to operate, high in practicability, capable of achieving automatic control and the like are achieved.

The invention discloses a gas-liquid-solid three-phase abrasive flow polishing tool based on a hydrodynamic cavitation structure. The gas-liquid-solid three-phase abrasive flow polishing tool comprises a gas-liquid-solid three-phase mixing device, a straight-through adapter, a processing tool automatic-rotation motion device, a hollow runner tube, a cavitation polishing device and a workpiece fastening platform, wherein a workpiece is mounted on the workpiece fastening platform; the gas-liquid-solid three-phase mixing device is arranged above the whole device; a lower-end outlet of the gas-liquid-solid three-phase mixing device is fixedly connected with the upper end of the straight-through adapter; the lower end of the straight-through adapter is connected with the processing tool automatic-rotation motion device; the processing tool automatic-rotation motion device is connected with the cavitation polishing device through the hollow runner tube; and the workpiece fastening platform is arranged below the cavitation polishing device. The gas-liquid-solid three-phase abrasive flow polishing tool adopts a large inlet, a middle constraint runner and a relatively great outlet runner, realizes hydraulic cavitation of liquid, and improves processing efficiency; and a motor drives the whole polishing tool to rotate, so that the problem that the workpeice surface polishing is uneven iseffectively solved.

The invention discloses a constant-force grinding system integrating detection with grinding. The constant-force grinding system is characterized by comprising a working table, as well as an on-line detecting system, a constant-force grinding system and a controller mounted on the working table; the controller controls operation of the constant-force grinding system according to the information fed back by the on-line detecting system; the constant-force grinding system comprises a servo motor, a synchronous transmission mechanism and a working table return device; the servo motor serves as a constant-torque servo motor; the constant-torque servo motor is converted into the constant feed force of the working table through transmission of the synchronous transmission mechanism; and the working table return device is used for realizing returning of horizontal operation of the working table. Aiming at a machine tool transmission chain deformation phenomenon caused by unstable grinding feed force during ground finish and the constant-displacement forceful feeding mode adopted in numerically controlled grinder design, the design concept of constant-force grinding is adopted, and the grinding feed force is set into a constant quantity from an unstable variable, so that deformation of a machine tool transmission chain is in a stale state.