107results about How to "Improve polishing efficiency" patented technology

The invention provides a water-based diamond polishing solution. The water-based diamond polishing solution consists of the following components in percentage by weight: 0.01-10 percent of diamond micro-powder, 0.2-6 percent of a dispersing agent, 0.1-3 percent of a suspending agent, 0.1-5 percent of a pH adjusting agent, 0.1-0.5 percent of a sterilizing agent, 0.1-0.5 percent of a deforming agent, 2-50 percent of a suspension aid and 40-80 percent of deionized water. The invention further provides a preparation method of the water-based diamond polishing solution.

The invention provides an electrochemical mechanical polishing method for a gallium nitride monocrystal substrate, which comprises the following steps: by using a gallium nitride crystal and a polishing disk respectively as an anode and a cathode, mechanically lapping the GaN crystal, and carrying out electrochemical mechanical polishing in an electrolyte. The invention can obtain a flatness with the surface roughness root mean square of less than 0.5nm on the surface of the GaN crystal. The invention has the advantages of high polishing efficiency and low scratch density. The invention does not need to use strong acid or strong alkali as a polishing solution, can be performed at normal temperature, is simple and easy to implement, and is applicable to industrial production.

A variable cross-section outer cylinder surface sander suitable for timber mainly comprises an abrasive belt, a feeding plate, a receiving hopper, a press wheel mechanism, a rod end joint bearing, a screw and a spring. When the variable cross-section outer cylinder surface sander is in work, a workpiece placed on the feeding plate is pressed on the abrasive belt through a press wheel, the press wheel and the abrasive belt rotate clockwise to drive the workpiece to rotate in a counter-clockwise direction and be polished through the abrasive belt along the circumference, and simultaneously the workpiece is gradually contacted with the press wheel along the axial direction of the workpiece, moves along the feeding plate and is finally ejected out to the receiving hopper. When the workpiece section varies, on one hand, the press wheel, a press wheel horizontal support, the rod end joint bearing and the screw move horizontally relative to a machine frame, and on the other hand, the rod end joint bearing enables the press wheel and the press wheel horizontal support to perform tiny deflection relative to the screw, simultaneously a press wheel inclined support performs tiny deflection around a press wheel inclined support transmission shaft, so that the relative positions of the press wheel and the workpiece can automatically change, and polishing of the variable cross-section outer cylinder surface is achieved. The variable cross-section outer cylinder surface sander is good in polishing effect, strong in adaptability, simple in structure and simple and convenient to operate.

The invention discloses a numerical control polishing method for the profile of a blade of an integrated blade disk. The method for selecting a polishing wheel, determining a polishing row pitch, planning a polishing route and making a program is adopted. The numerical control polishing method comprises steps of performing parametric modeling on the blade, partitioning the blade at equal intervals, fitting a line segment set and determining a polishing trace. The step of performing parametric modeling on the blade is performed in a direction vertical to a runner line; the step of partitioningthe blade at equal intervals is performed along the direction of the runner line, and a partitioning distance is a quarter of the diameter of the polishing wheel; partitioning points are interpolatedon each partitioning line of the profile of the blade at equal intervals; a distance between two adjacent position points is calculated by sequentially selecting two adjacent partitioning lines to obtain a fitted straight texture face; and the straight texture face produces an equal-interval face to determine the polishing trace. By the method, the characteristic of the profile of the blade is fitted fully, so that high contact between the polishing wheel and the profile of the blade is guaranteed; therefore, the precision of the profile of the blade of the integrated blade disk is ensured and the polishing efficiency of the integrated blade disk is improved.

The invention discloses a three-phase flowing pressure cavitation polishing method. Free curved surface workpieces are fixed at the bottom of a polishing liquid container through a fixture; a cylindrical polishing tool is not directly contacted with the free curved surface workpieces, and is dipped in polishing liquid; a series and parallel connection polishing platform controls poses of a polishing tool relative to the workpieces, so that a tiny machining gap is always kept between the tool and the surfaces of the workpieces; a servo motor drives the cylindrical polishing tool to rotate at high speed above the workpieces through a connecting device, so that polishing liquid mixed with abrasive particles is rotated under the effect of high-speed rotation of the tool; the polishing liquid passes through the wedge gap between the tool and the workpieces to generate extrusion to increase the pressure and to generate dynamic pressure; and the abrasive particles are pressed in the surfacesof the workpieces to generate surface and subsurface damage so as to realize more precise polishing of the surfaces of the workpieces. The method improves the polishing efficiency under the precondition of not generating the surface and subsurface damage.

The invention discloses a sapphire substrate polishing device and a polishing process. A rotating shaft is rotatably mounted on a frame, a polishing table is fixed to the top end of the rotating shaft, a crystal polishing pad is fixed to the upper surface of the polishing table, an abrasive feeding mechanism is arranged above the crystal polishing pad, a fixing ring is mounted on a mechanical armthrough a rubber wheel, a substrate fixing disk is arranged in the fixing ring, a pressing mechanism for pressing a sapphire substrate fixed by the substrate fixing disk towards the crystal polishingpad is arranged above the substrate fixing disk, the crystal polishing pad is formed by adhering crystal chips of the same thickness onto the upper surface of the polishing table through ultraviolet glue, and the gap between each two adjacent crystal chips ranges from 0.5mm to 2mm. After polishing, the planeness of the sapphire substrate is smaller than 5 micrometers, the surface roughness of thesapphire substrate is smaller than 0.3 nanometer, the surface of the substrate is not provided with complicated products, complicated post cleaning is omitted, cost is saved, and the rate of finishedproducts is increased.

The invention discloses a novel material metal pipe outer surface polishing device for engineering. The novel material metal pipe outer surface polishing device for engineering comprises a polishing box, wherein a fixed rod is fixedly connected to the positions, in a box body, on the left side and the right side of the lower part of the inner part of the polishing box; a bearing is arranged in theinner part of the middle of the fixed rod; a rotary rod is connected to the inner part of the middle of the vertical direction of the bearing; a fixed seat is fixedly connected to the upper end of the rotary rod; a motor is connected to the lower end of the rotary rod; telescopic motors are arranged in the middle parts of the box body on the left side and the right side of the inner part of the polishing box and are fixed through a fixed frame; telescopic rods are connected to the other ends of the telescopic motors; and fixed blocks are fixedly connected to the other ends of the telescopic rods. According to the novel material metal pipe outer surface polishing device for engineering provided by the invention, the polishing efficiency of metal pipes is improved; and according to the sizes of the metal pipes, the telescopic motors control the telescopic rods to lift up and lower down so as to adjust the distance between the surface of a polishing piece and a metal pipe, so that the metal pipes with different sizes are further polished, and the practicability is high.

The invention provides a chemical polishing solution for cast aluminium alloy and a polishing technology. The polishing solution comprises a polishing solution A and a polishing solution B. The polishing solution A comprises the following compositions in percent by volume: 60%-75% of nitric acid and 20%-25% of hydrofluoric acid. The polishing solution B comprises the following compositions in percent by weight: 60%-70% of phosphoric acid, 8%-9% of sulfuric acid, 8%-9% of nitric acid, 2%-3% of urea and 4%-5% of ammonium sulfate. The polishing technology comprises: performing cleaning processing on the surface of a cast aluminium alloy ZL104 product, putting in the polishing solution A to remove silicon on the product surface, and then putting in the polishing solution B for reacting for 2 min, controlling the temperature of the polishing solution B to be 85+/-5 DEG C, so as to enable the product to be selectively self dissolve in the polishing solution B, and further to level and polish the cast surface and realize the purpose of reducing the surface roughness Ra. The polishing solution and the polishing technology have the advantages that the appearance of cast aluminium alloy shows aluminium natural color, the polishing finish is high, the polishing efficiency is high and the polishing effect is excellent, and the polishing solution and the polishing technology are widely applicable to polishing of cast aluminium alloy materials.

The invention relates to the magnetic rheo-gas cell flexible polishing tool. The said polishing tool comprises a gas cell with a polishing cloth in its front as the work face; an interlayer is in front of the said gas cell, which is filled with the magnetic rheological liquor; the said gas cell is equipped in the retainer; the said retainer is on the drive shaft with one or several pairs of electrical magnets at its front end; the said drive shaft socket joints a sleeving; the said sleeving and the drive shaft gas-tight joint; the said sleeving has outside gas entrance port and the overflow valve; the drive shaft in the sleeving opens the airflow channel that connects the said air cell. The flexibility of the polishing tool head can be controlled online, the contacting area of polishing is big, and the curve face polishing has high efficiency, well adaptation to curvature change, and the gathering form of the dispersing grains can be controlled.

The invention relates to the field of intelligent chair foot machining, in particular to a five-star chair foot polishing machining system and method. The five-star chair foot polishing machining system comprises a feeding device, a discharging device, a first-level robot, a second-level robot, a third-level robot, a first-level transfer positioning table, a second-level transfer positioning table, a third-level transfer positioning table, a first-level polishing machine, a second-level polishing machine and a third-level photoreceiver. The machining system sequentially comprises a feeding set, a first-level polishing set, a second-level polishing set, a third-level photo-receiving set and a discharging set according to the technology sequence. According to the system and method special for polishing and machining of five-star chair feet, and the three sets of robots are utilized for being matched with the three sets of polishing machines in a work division coordinated manner. The vacancy rate of machining equipment in the polishing machining system is minimum, accordingly the five-star chair foot polishing machining efficiency is greatly improved, and the problems about limitation and compatibility during polishing machining of the whole five-star chair feet through one robot in the prior art can be solved.

The polishing apparatus includes bed, polishing disc driver, diamond film driver, vacuum polishing chamber housing and heater. The polishing disc driver is set inside the vacuum polishing chamber housing, the diamond film driver is fixed on the vacuum polishing chamber housing, the heater is set on the upper support and the diamond film is mounted onto the polishing head. By means of combining the high speed relative motion between the polishing disc and the diamond film to produce friction heat with the low temperature heating in the bottom of the polishing disc, the surface of the diamond film reaches the diffusion temperature fast and the raised carbon atoms in the surface of the diamond film diffuse to the polishing disc of iron, nickel and other metal to reach the aim of polishing. The present invention has the advantages of simple structure, high polishing quality, high polishing efficiency, low production cost, etc.

The invention discloses a double-face polishing machine for a large-caliber optical element, and belongs to the technical field of optical element machining. An upper polishing disc structure capable of swinging and rotating is adopted, an upper polishing disc carries out swing polishing and annular polishing on a workpiece at the same time, the polishing efficiency is improved, the polishing track becomes more uniform, and the problem that side treading and corner uplifting are likely to appear in the surface shape is solved; a lower polishing disc carries out annular polishing on the lower surface of the workpiece, a correction disc is adopted to carry out correction keeping on the surface shape of the lower polishing disc, the surface shape precision of the polishing discs is improved, the surface shape precision of the optical element is improved, and the small-size manufacturing error of the optical surface can be reduced; an adjustable clamp structure is adopted, adjustable technology parameters are increased, the polishing rack is further uniform, and the double-face polishing precision and the production efficiency are improved; the polishing machine is suitable for double-face polishing of the large-caliber optical element with the caliber reaching 600 mm and the special requirements for the depth of parallelism, reflective wavefront and transmission wavefront.

A method and an equipment for extended diamond film polishing. It includes such steps as follows: produce electron cyclotron resonance plasm by microwave stimulatingú”high-frequency power was coupled to ion in plasm by ion convoluted vibratingú¼so that the kintic temperature of ion was increased to 10í½40eV; control ion movement by derivative electrode and graded magnetic field so that etching reaction may occur between specific carbon atom that to be wiped off and the ion as the ion moves to the surface of diamond filmú”Volatile gas generated and polishing completed. The equipment consists of four partsú‘plasma generating unitú¼ion heating up unitú¼ion movement controlling unit and etching reaction and polishing unit. Advantages are high polishing efficiencyú¼large polishing dimensionú¼high precision and non pollution of diamond film surface.

The invention discloses clamping type polishing equipment for synchronous polishing of inner and outer walls of a stainless steel pipe. The polishing equipment comprises a machining table composed ofa clamping table, a polishing table and a material placing table, wherein a clamping mechanism for clamping the stainless steel pipe is arranged above the clamping table, the clamping mechanism is composed of a bracket set fixed to the top surface of the clamping table and a clamping assembly for reciprocating linear motion below the bracket set, the polishing table and the material placing tableare respectively provided with an outer wall polishing mechanism and an inner wall polishing mechanism which are respectively used for polishing the outer wall and the inner wall of the stainless steel pipe, and the middle part of the top surface of the material placing table is provided with a pipe shifting mechanism used for shifting the stainless steel pipe to translate. According to the polishing equipment, one end of the stainless steel pipe to be polished is fixed to the clamping assembly on the clamping table and conveyed to the polishing table to perform back-off polishing while rotating, so that the polishing efficiency of the stainless steel pipe is improved, it is ensured that the stainless steel pipe is polished at one time, and abrasion caused by secondary polishing is avoided.

The invention discloses a curved surface polishing machine. The curved surface polishing machine comprises a box body part, a liquid receiving basin, a transmission body, a limiting device, an upper basic disc, a waterproof cover, an upper disc device, a four-rod mechanism, a linear slide rail, an upper disc support base, a safety device and a main cylinder; the transmission body is fixed on the box body part, and is provided with a revolving module; in the working process, the revolving module rotates during revolving; the liquid receiving basin is mounted on the box body part; the limiting device is mounted on the transmission body; the upper basic disc is driven by power equipment on the upper disc device, and is provided with a brush disc; the waterproof cover is mounted above the upper basic disc; the four-rod mechanism is respectively connected with the upper disc device, the upper disc support base and the main cylinder; the linear slide rail is fixed on the upper disc support base; the upper disc device is assembled and connected with the linear slide rail; and the upper disc support base and the main cylinder are both fixed on the box body part. The curved surface polishing machine has such characteristics as convenience for operation and capability of improving the polishing efficiency and the taking efficiency.

A hemispherical harmonic oscillator flow channel constraint-shear rheological polishing method comprises the following steps that (1) a non-Newtonian fluid polishing solution with the shear rheological effect is prepared and added into a polishing solution station; (2) a hemispherical harmonic oscillator is connected to a polishing machine workpiece spindle through a clamp, and the rotation axis of the hemispherical harmonic oscillator is adjusted to be coaxial with the rotation axis of the workpiece spindle; (3) the spherical surface of a polishing head is adjusted to be concentric with the spherical surface of the hemispherical harmonic oscillator, and a polishing solution circulating system is started; and (4) the workpiece spindle is started, the polishing head rotates relative to thehemispherical harmonic oscillator, the polishing solution forms two shear rheological flow fields in gaps between a constraint flow channel and the surface of the polishing head-harmonic oscillator, and efficient polishing of the hemispherical harmonic oscillator is achieved by controlling the flow speed of the polishing solution and the rotating speed of the workpiece spindle. A hemispherical harmonic oscillator flow channel constraint-shear rheological polishing device is provided. By means of the hemispherical harmonic oscillator flow channel constraint-shear rheological polishing method and device, on the premise that the grinding surface shape precision of the hemispherical harmonic oscillator is kept, a damage layer on the grinding surface can be efficiently removed, and efficient and high-quality polishing is achieved.

The invention relates to a wax-free grinding and polishing template with double inlaying layers. The grinding and polishing template is characterized by being a composite structure formed by five cylindrical laminar objects. The composite structure comprises a first layer, a second layer, a third layer, a fourth layer and a fifth layer from top to bottom; the first layer is an upper inlaying layer which is provided with at least one sheet placing hole; the second layer is an upper bonding layer; the third layer is a substrate layer; the fourth layer is a lower bonding layer; and the fifth layer is a lower inlaying layer which is provided with at least one sheet placing hole; the wax-free grinding and polishing template with double inlaying layers is provided with a guiding hole for permeation of a polishing liquid; and the diameter of guiding hole is 0.1-50mm. According to the wax-free grinding and polishing template, by adoption of double inlaying layers, the wax-free polishing efficiency is improved. Because a wax-free polishing pad is separated from an adsorbing pad, the deviation of the thickness of a silicon wafer product is reduced effectively, and the production cost is lowered effectively; and the wax-free grinding and polishing template with double inlaying layers has the characteristics of simple structure and convenience of processing.

A polishing tool comprising a support member, and polishing means fixed to the support member. The polishing means is composed of felt having a density of 0.20 g/cm³ or more and a hardness of 30 or more, and abrasive grains dispersed in the felt. A polishing method and apparatus involving pressing the polishing means against a surface of a workpiece to be polished, while rotating the workpiece and also rotating the polishing tool.

The invention belongs to the technical field of machining equipment for iron pans, and discloses a combined polishing and grinding machine tool for the iron pans. The combined polishing and grinding machine tool for the iron pans comprises an automatic control device, and is characterized by further comprising a pan transmission and pan body polishing and grinding machine tool, a pan body and pan handle transition area polishing and grinding machine tool, a pan handle clamping machine tool and a pan handle polishing and grinding machine tool. The pan transmission and pan body polishing and grinding machine tool comprises a main machine frame and a central vertical column. Two vertical sliding table brackets are arranged on the left side and the right side of the central vertical column symmetrically and respectively, siding tables are arranged on the vertical sliding table brackets, and pressing discs pressing a pan body are installed on the sliding tables. An annular guide rail is installed on the table top of the main machine frame, a rotary worktable is installed on the annular guide rail, and four pan body fixtures are uniformly installed on the rotary worktable. Another vertical sliding table bracket is arranged on the rear side of the central vertical column (7), a sliding table is arranged on the vertical sliding table bracket, and a polishing and grinding motor and an arc-shaped polishing and grinding wheel are installed on the sliding table. By means of the combined polishing and grinding machine tool for the iron pans, the iron pans with handles or not can be automatically polished and ground, the iron pan polishing and grinding efficiency is high, and the iron pan polishing and grinding quality is good.

The invention provides a hard optical material polishing die combined structure and a manufacturing method. The polishing die combined structure comprises a metal base body, an asphalt elastic layer and a plurality of polyurethane polishing sheets; the asphalt elastic layer is arranged on the surface of the metal base body; the plurality of polyurethane polishing sheets which are circular are arranged on the asphalt elastic layer. The hard optical material polishing die combined structure integrates the mobility of polishing asphalt and the efficient polishing capacity of polyurethane, the polishing time can be reduced by 50%, and therefore, the polishing efficiency of the hard optical material can be effectively increased on the premise that the surface form precision is met. The hard optical material polishing die combined structure is simple and convenient to manufacture, the materials are easily obtained, the durability is more than three times that of the classical polishing asphalt; the hard optical material polishing die combined structure can be widely applied to the polishing processing of a hard optical material; when in use, the classical polishing machine tool can be directly put into use without changing, so that the cost advantage is obvious.

The invention relates to a polishing device, in particular to a circular pipe polishing device for heating and ventilation. According to the technical scheme, the circular pipe polishing device for heating and ventilation can be used for polishing multiple circular pipes, lightens the working burden of workers, and improves the polishing efficiency. The circular pipe polishing device for heating and ventilation comprises a base plate, a driving mechanism, a supporting seat, a first mounting plate, rotating mechanisms, a sliding rail, a sliding block, a lifting plate, a transmission mechanism,a polishing mechanism, a lifting mechanism and a second mounting plate. The second mounting plate is fixedly connected to the top of the base plate through the supporting seat, and the driving mechanism is fixedly connected to one side of the base plate. The multiple rotating mechanisms are fixedly connected to the first mounting plate at equal intervals. The circular pipe polishing device for heating and ventilation has the beneficial effects of comprehensively and quickly polishing the multiple circular pipes, improving the polishing efficiency, and lightening the working burden of the workers.

The invention discloses a chemical mechanic buffing liquid of titanium potassium oxide phosphate, which comprises the following parts: 10-90 percent nanometer SiO2 sol, 0.5-10 percent inorganic alkaline and organic alkaline, 0.5-10 percent non-ionic surfactant, 0.5-10 percent chelant and deionized water. The invention can prevent surface fish tail effectively, which improves the surface flatness.

The invention discloses a threaded cylindrical pin fixed type automatic feeding and polishing device. The threaded cylindrical pin fixed type automatic feeding and polishing device comprises a frame,threaded cylindrical pins, a conveying part, mounting parts, a power part, transmission parts, fixing parts and a polishing part. The frame comprises a bottom plate and four sets of vertical plates. Each threaded cylindrical pin comprises a threaded part and a smooth part. Pin holes are formed in the centers of the bottom ends of the smooth parts. The conveying part comprises two sets of double-circulation chains. Each mounting part comprises a mounting plate and two sets of connecting posts. A through groove is formed in the center of the bottom end of each mounting plate. The horizontal cross section of each through groove is square. The power part comprises support plates, connecting rods, first toothed plates and second toothed plates. Tooth grooves are formed in the half parts of thefirst tooth plates. Racks are arranged on the half parts of the second tooth plates. Each transmission part comprises a vertical plate, a transverse plate, a transmission bearing, a stand column, a transmission gear, a screw sleeve, a jacking rod, a jacking block and a screw rod. Each fixing part comprises a T-shaped piece and a fixed screw cylinder. The polishing part is fixed between the two sets of vertical plates on one side.

The invention provides a diamond polishing solution for metallographic polishing and capable of meeting different polishing precision requirements and a preparation method thereof. The diamond polishing solution is prepared from the following raw materials in parts by weight: 70-95 parts of water, 0.1-15 parts of diamond micro powder, 2-5 parts of a suspending agent, 0.01-0.1 part of an antioxidant, 10-20 parts of a lubricant, and 1-5 parts of a dispersant; the preparation method of the diamond polishing solution comprises the following steps: adding the dispersing agent, the lubricating agentand the diamond micro-powder sequentially into stirred water; adding an antioxidant into the water; under the condition that the stirring rotating speed is not lower than 800 rpm, adding a suspendingagent into water for dispersion for 20-30 min. The polishing solution provided by the invention is a water-based polishing solution, and has the characteristics of environmental protection, good suspension property, high polishing efficiency, good smooth finish of a polished surface, low cost and the like.

The invention discloses a roller magneto-rheological polishing machine which comprises an operation table, a support, a magneto-rheological liquid polishing barrel, a roller brush driving device and a roller driving device for driving the magneto-rheological liquid polishing barrel to rotate. The roller brush driving device is connected with a main shaft in the magneto-rheological liquid polishing barrel, the support is fixed to the operation table, the magneto-rheological liquid polishing barrel and the roller driving device are arranged on the support, and the roller brush driving device is fixed to the operation table; and a power source is further arranged on the operation table, and is electrically connected with a coil in the magneto-rheological liquid polishing barrel through a wire. The roller magneto-rheological polishing machine has the beneficial effects that the roller brush driving device and the roller driving device are arranged, so that a cylinder barrel of the magneto-rheological liquid polishing barrel and the main shaft insides rotate at the same time, and the efficiency of polishing on parts in the barrel is greatly improved.

The invention discloses a cleaning and polishing device for steel processing, and relates to the technical field of material processing. The device comprises a cabinet device, a chip collecting mechanism, a polishing mechanism and a cleaning mechanism, wherein the chip collecting mechanism is arranged inside the cabinet device, a supporting column is fixedly connected to each of the left side andthe right side of the top of the cabinet device, a mounting plate is fixedly connected to the tops of the supporting columns, the polishing mechanism is arranged on the front surface of the plate bodyof the mounting plate, the cleaning mechanism is arranged on the back surface of the plate body of the mounting plate, a working table is fixedly installed at the top of the cabinet device, a protective pad is fixedly connected to the table surface of the working table, and a protective cover is fixedly connected to the edge position of the top of the cabinet device. By arranging the polishing mechanism and the cleaning mechanism, steel can be cleaned and dried after being polished, a first linear motor drives a polishing motor to transversely move on a first sliding rail to carry out polishing treatment on the steel, and a telescopic cylinder can adjust the height of the polishing motor so as to adapt to the steel with various thicknesses favorably.

The invention relates to a device for polishing a surface of a spherical joint of a high-pressure oil pipe. The device comprises a workbench, a polishing mechanism and a part moving mechanism arranged on the workbench, a part supporting mechanism arranged on the part moving mechanism and a part compressing mechanism which is arranged on the part moving mechanism and matched with the part supporting mechanism. The high-pressure oil pipe with one end provided with the spherical joint is arranged between the part supporting mechanism and the part compressing mechanism, the part moving mechanism is moved to a preset position, and the polishing mechanism polishes the surface of the spherical joint. Compared with the prior art, the device has the beneficial effects that the mechanical manner is adopted to automatic polishing, the problems that the polishing quality is instable and the polishing effect consistency is poor and other problems caused by manual polishing are avoided, the product quality is improved, operation is easy and convenient, the polishing efficiency of the spherical joint can be greatly improved, and volume production is achieved conveniently.

The invention relates to a bottom polishing machine for a revolving body workpiece. The bottom polishing machine comprises a rack, wherein a horizontal adjusting mechanism used for adjusting polishing depth is arranged at the lower end of the rack; a polishing wheel, a polishing machine head and a polishing motor are arranged on the rack; the polishing wheel is in controlled connection with the polishing motor by the polishing machine head; a piece of sanding paper is arranged on the polishing wheel; and a vertical lifting mechanism used for controlling lifting of the polishing machine head and the polishing wheel is arranged on the rack. The bottom polishing machine is high in polishing efficiency and low in labor cost, and can perform line polishing operation on the bottom of a revolving body.

Efficient automatic polishing equipment for machining comprises a bottom plate, a supporting plate device, an electric cylinder device, a push device, an abutting device, a support device, a frame device, a polishing device and a motor device. A first supporting rod and first cross rods are arranged on the bottom plate, the supporting plate device comprises a supporting plate, first rollers and a first support, and the electric cylinder device comprises a first electric cylinder, first fixed rods, a first push rod, a second roller and first vertical rods. The push device comprises a second vertical rod, a second electric cylinder, a second push rod, a push block and a first sliding block, and the abutting device comprises a third vertical rod, a fourth vertical rod, a first spring, an abutting rod, an abutting block and a second sliding block. The support device comprises a second support, a second cross rod and second fixed rods, and the frame device comprises a vertical plate, a first limiting block, a cross plate and a second limiting block. According to the efficient automatic polishing equipment, a mechanical plate part can be effectively fixed, and the polishing position of a plate can be conveniently adjusted, so that the polishing efficiency is high.

The invention discloses a rotating disc mechanism of a rotating disc type internal polishing machine. The rotating disc mechanism comprises a mounting seat. A rotating disc shaft is fixed to the mounting seat and provided with a bearing. A rotating disc locating sleeve is arranged at the outer end of the bearing and provided with a first supporting portion and a second supporting portion. A fixedring is mounted on the first supporting portion and provided with an outer gear ring. A disc is arranged on the second supporting portion and provided with multiple mounting holes in an array manner.A driven gear assembly is mounted in each mounting hole. A gear motor is further mounted on the base and provided with a driving gear, and the driving gear is engaged with the outer gear ring. Multiple polishing workpieces can be clamped on the rotating disc mechanism to be continuously polished, the procedures do not influence one another, that is, polishing mechanisms cannot generated interference, different portions and procedures of products can be polished at the same time, and the polishing efficiency is greatly improved.